syzkaller login: [ 520.959500][ T31] kauditd_printk_skb: 6 callbacks suppressed [ 520.960249][ T31] audit: type=1400 audit(520.900:58): avc: denied { read write } for pid=3094 comm="sftp-server" name="null" dev="devtmpfs" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 520.962762][ T31] audit: type=1400 audit(520.910:59): avc: denied { open } for pid=3094 comm="sftp-server" path="/dev/null" dev="devtmpfs" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 Warning: Permanently added '[localhost]:29386' (ED25519) to the list of known hosts. [ 555.980259][ T31] audit: type=1400 audit(555.920:60): avc: denied { execute } for pid=3108 comm="sh" name="syz-executor1378717512" dev="vda" ino=807 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 556.010865][ T31] audit: type=1400 audit(555.960:61): avc: denied { execute_no_trans } for pid=3108 comm="sh" path="/syz-executor1378717512" dev="vda" ino=807 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 556.268234][ T31] audit: type=1400 audit(556.210:62): avc: denied { execmem } for pid=3108 comm="syz-executor137" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 executing program [ 556.312211][ T31] audit: type=1400 audit(556.260:63): avc: denied { prog_load } for pid=3109 comm="syz-executor137" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 556.323425][ T31] audit: type=1400 audit(556.270:64): avc: denied { bpf } for pid=3109 comm="syz-executor137" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 556.324597][ T31] audit: type=1400 audit(556.270:65): avc: denied { perfmon } for pid=3109 comm="syz-executor137" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 556.349367][ T31] audit: type=1400 audit(556.290:66): avc: denied { prog_run } for pid=3109 comm="syz-executor137" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1324.051124][ T32] INFO: task kworker/1:1:43 blocked for more than 450 seconds. [ 1324.052047][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.052476][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.052844][ T32] task:kworker/1:1 state:D stack:0 pid:43 tgid:43 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.053566][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.055803][ T32] Call trace: [ 1324.056079][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.056570][ T32] r10:8291880c r9:df911d84 r8:00000002 r7:60000013 r6:df911d8c r5:832f4800 [ 1324.056764][ T32] r4:832f4800 [ 1324.057030][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.057163][ T32] r5:832f4800 r4:82918808 [ 1324.057203][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.057303][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.057390][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df911e08 [ 1324.057428][ T32] r4:00000000 [ 1324.057459][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.057516][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.057606][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.057680][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d8480 [ 1324.057714][ T32] r4:00000000 [ 1324.057745][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.057816][ T32] r9:83018205 r8:832f4800 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 [ 1324.057871][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.057945][ T32] r5:00001000 r4:df9fd000 [ 1324.057978][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.058048][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.058116][ T32] r5:8527ab8c r4:8527a800 [ 1324.058147][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.058254][ T32] r7:ddde2d80 r6:83018200 r5:8527ab8c r4:832d0e00 [ 1324.058289][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.058364][ T32] r10:61c88647 r9:832f4800 r8:832d0e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.058397][ T32] r4:832d0e00 [ 1324.058427][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.058496][ T32] r10:00000000 r9:832d0e00 r8:8027f5e8 r7:df879e60 r6:83809080 r5:832f4800 [ 1324.058529][ T32] r4:00000001 [ 1324.058560][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.058692][ T32] Exception stack(0xdf911fb0 to 0xdf911ff8) [ 1324.058876][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1324.058952][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.058997][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.059085][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.059124][ T32] r4:832d1e40 [ 1324.070855][ T32] INFO: task kworker/1:1:43 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.071002][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.071165][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.071304][ T32] Call trace: [ 1324.071385][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.071506][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.071563][ T32] r4:00000000 [ 1324.071612][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.071705][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.071772][ T32] dd20: b9616000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.071838][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.071938][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.072010][ T32] r5:80070013 r4:80239bb0 [ 1324.072073][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.072187][ T32] r4:82ac11a4 [ 1324.072232][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.072331][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.072384][ T32] r4:e883ddc0 [ 1324.072431][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.072533][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.072587][ T32] r4:00000000 [ 1324.072633][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.072734][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.072789][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.072893][ T32] r5:00001000 r4:e47a2000 [ 1324.072943][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.073030][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.073131][ T32] r5:84fe978c r4:84fe9400 [ 1324.073181][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.073286][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.073341][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.073451][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.073502][ T32] r4:8454d880 [ 1324.073548][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.073647][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.073699][ T32] r4:00000001 [ 1324.073746][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.073851][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.073930][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.073996][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.074089][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.074157][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.074247][ T32] r4:84e5a440 [ 1324.074622][ T32] INFO: task kworker/1:0:3093 blocked for more than 450 seconds. [ 1324.074730][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.074805][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.074862][ T32] task:kworker/1:0 state:D stack:0 pid:3093 tgid:3093 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.074963][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.075080][ T32] Call trace: [ 1324.075152][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.075271][ T32] r10:8291880c r9:df9cdd84 r8:00000002 r7:60000113 r6:df9cdd8c r5:8330e000 [ 1324.075342][ T32] r4:8330e000 [ 1324.075395][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.075490][ T32] r5:8330e000 r4:82918808 [ 1324.075537][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.075622][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.075721][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9cde08 [ 1324.075772][ T32] r4:00000000 [ 1324.075818][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.075901][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.075995][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.076101][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859fd0c0 [ 1324.076166][ T32] r4:00000000 [ 1324.076220][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.076325][ T32] r9:83018205 r8:8330e000 r7:00000000 r6:83018200 r5:00001000 r4:7f09b000 [ 1324.076386][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.076487][ T32] r5:00001000 r4:ec8b7000 [ 1324.076548][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.076641][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.076745][ T32] r5:85a0eb8c r4:85a0e800 [ 1324.076807][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.076912][ T32] r7:ddde2d80 r6:83018200 r5:85a0eb8c r4:8461dd00 [ 1324.076960][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.077063][ T32] r10:61c88647 r9:8330e000 r8:8461dd2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.077118][ T32] r4:8461dd00 [ 1324.077166][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.077266][ T32] r10:00000000 r9:8461dd00 r8:8027f5e8 r7:df91de60 r6:84777c00 r5:8330e000 [ 1324.077319][ T32] r4:00000001 [ 1324.077365][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.077447][ T32] Exception stack(0xdf9cdfb0 to 0xdf9cdff8) [ 1324.077508][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.077572][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.077632][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.077696][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.077748][ T32] r4:84d42ec0 [ 1324.078530][ T32] INFO: task kworker/1:0:3093 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.078618][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.078755][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.078851][ T32] Call trace: [ 1324.078920][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.079024][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.079086][ T32] r4:00000000 [ 1324.079134][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.079221][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.079284][ T32] dd20: b9616000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.079354][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.079411][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.079500][ T32] r5:80070013 r4:80239bb0 [ 1324.079557][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.079657][ T32] r4:82ac11a4 [ 1324.079704][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.090407][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.090470][ T32] r4:e883ddc0 [ 1324.090503][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.090601][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.090653][ T32] r4:00000000 [ 1324.090688][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.090785][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.090834][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.090905][ T32] r5:00001000 r4:e47a2000 [ 1324.090937][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.091000][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.091073][ T32] r5:84fe978c r4:84fe9400 [ 1324.091130][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.091241][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.091298][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.091399][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.091481][ T32] r4:8454d880 [ 1324.091542][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.091643][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.091695][ T32] r4:00000001 [ 1324.091747][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.091834][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.091903][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.091969][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.092029][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.092108][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.092160][ T32] r4:84e5a440 [ 1324.092231][ T32] INFO: task kworker/0:0:3099 blocked for more than 450 seconds. [ 1324.092320][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.092409][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.092469][ T32] task:kworker/0:0 state:D stack:0 pid:3099 tgid:3099 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.092618][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.092714][ T32] Call trace: [ 1324.092787][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.092895][ T32] r10:8291880c r9:df975d84 r8:00000002 r7:60000113 r6:df975d8c r5:84522400 [ 1324.092947][ T32] r4:84522400 [ 1324.092992][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.093093][ T32] r5:84522400 r4:82918808 [ 1324.093143][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.093227][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.093321][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df975e08 [ 1324.093370][ T32] r4:00000000 [ 1324.093413][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.093496][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.093580][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.093673][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8479b2c0 [ 1324.093724][ T32] r4:00000000 [ 1324.093769][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.093867][ T32] r9:83018005 r8:84522400 r7:00000000 r6:83018000 r5:00001000 r4:7f0ab000 [ 1324.093943][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.094050][ T32] r5:00001000 r4:e8873000 [ 1324.094098][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.094179][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.094303][ T32] r5:84feab8c r4:84fea800 [ 1324.094350][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.094450][ T32] r7:dddced80 r6:83018000 r5:84feab8c r4:84777e80 [ 1324.094512][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.094607][ T32] r10:61c88647 r9:84522400 r8:84777eac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.094659][ T32] r4:84777e80 [ 1324.094728][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.094829][ T32] r10:00000000 r9:84777e80 r8:8027f5e8 r7:df845e60 r6:84777e00 r5:84522400 [ 1324.094885][ T32] r4:00000001 [ 1324.094930][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.095012][ T32] Exception stack(0xdf975fb0 to 0xdf975ff8) [ 1324.095083][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.095151][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.095210][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.095291][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.095344][ T32] r4:84d6a5c0 [ 1324.096215][ T32] INFO: task kworker/0:0:3099 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.096309][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.096435][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.096555][ T32] Call trace: [ 1324.096649][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.096756][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.096808][ T32] r4:00000000 [ 1324.096848][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.096927][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.096991][ T32] dd20: b98c2000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.097063][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.097135][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.097192][ T32] r5:80070013 r4:80239bb0 [ 1324.097255][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.097357][ T32] r4:82ac11a4 [ 1324.097438][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.097553][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.097602][ T32] r4:e883ddc0 [ 1324.097648][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.097744][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.097795][ T32] r4:00000000 [ 1324.097844][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.097942][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.097992][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.098097][ T32] r5:00001000 r4:e47a2000 [ 1324.098146][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.098266][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.098362][ T32] r5:84fe978c r4:84fe9400 [ 1324.098410][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.098509][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.098554][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.098651][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.098704][ T32] r4:8454d880 [ 1324.098752][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.098847][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.098899][ T32] r4:00000001 [ 1324.098943][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.099060][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.099137][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.099204][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.099266][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.099331][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.099382][ T32] r4:84e5a440 [ 1324.099441][ T32] INFO: task kworker/1:3:3111 blocked for more than 450 seconds. [ 1324.099503][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.099554][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.099602][ T32] task:kworker/1:3 state:D stack:0 pid:3111 tgid:3111 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.099699][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.120628][ T32] Call trace: [ 1324.120743][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.120859][ T32] r10:8291880c r9:df96dd84 r8:00000002 r7:60000013 r6:df96dd8c r5:83a90000 [ 1324.120895][ T32] r4:83a90000 [ 1324.120927][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.120989][ T32] r5:83a90000 r4:82918808 [ 1324.121019][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.121098][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.121196][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df96de08 [ 1324.121250][ T32] r4:00000000 [ 1324.121296][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.121375][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.121465][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.121560][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859fdbc0 [ 1324.121615][ T32] r4:00000000 [ 1324.121664][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.121767][ T32] r9:83018205 r8:83a90000 r7:00000000 r6:83018200 r5:00001000 r4:7f0ad000 [ 1324.121819][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.121920][ T32] r5:00001000 r4:eca19000 [ 1324.121967][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.122060][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.122150][ T32] r5:85a18f8c r4:85a18c00 [ 1324.122224][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.122327][ T32] r7:ddde2d80 r6:83018200 r5:85a18f8c r4:8461d600 [ 1324.122378][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.122475][ T32] r10:61c88647 r9:83a90000 r8:8461d62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.122527][ T32] r4:8461d600 [ 1324.122572][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.122668][ T32] r10:00000000 r9:8461d600 r8:8027f5e8 r7:df91de60 r6:8461d500 r5:83a90000 [ 1324.122723][ T32] r4:00000001 [ 1324.122769][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.122853][ T32] Exception stack(0xdf96dfb0 to 0xdf96dff8) [ 1324.122917][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.122980][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.123049][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.123119][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.123220][ T32] r4:84d46740 [ 1324.124115][ T32] INFO: task kworker/1:3:3111 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.124209][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.124344][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.124423][ T32] Call trace: [ 1324.124472][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.124549][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.124584][ T32] r4:00000000 [ 1324.124615][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.124671][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.124717][ T32] dd20: b9fd8000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.124783][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.124855][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.124910][ T32] r5:80070013 r4:80239bb0 [ 1324.124958][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.125069][ T32] r4:82ac11a4 [ 1324.125131][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.125236][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.125291][ T32] r4:e883ddc0 [ 1324.125343][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.125443][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.125479][ T32] r4:00000000 [ 1324.125510][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.125579][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.125613][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.125677][ T32] r5:00001000 r4:e47a2000 [ 1324.125708][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.125767][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.125831][ T32] r5:84fe978c r4:84fe9400 [ 1324.125861][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.125932][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.125964][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.126040][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.126075][ T32] r4:8454d880 [ 1324.126104][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.126172][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.126231][ T32] r4:00000001 [ 1324.126264][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.126321][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.126361][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.126406][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.126446][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.126490][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.126523][ T32] r4:84e5a440 [ 1324.126568][ T32] INFO: task kworker/1:6:3117 blocked for more than 450 seconds. [ 1324.126617][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.126654][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.126687][ T32] task:kworker/1:6 state:D stack:0 pid:3117 tgid:3117 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.126753][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.126813][ T32] Call trace: [ 1324.126885][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.126960][ T32] r10:8291880c r9:df9d5d84 r8:00000002 r7:60000113 r6:df9d5d8c r5:83a29800 [ 1324.127020][ T32] r4:83a29800 [ 1324.127071][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.127141][ T32] r5:83a29800 r4:82918808 [ 1324.127173][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.127233][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.127303][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9d5e08 [ 1324.127355][ T32] r4:00000000 [ 1324.127400][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.127459][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.127516][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.127582][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859fdf00 [ 1324.127615][ T32] r4:00000000 [ 1324.127644][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.127726][ T32] r9:83018205 r8:83a29800 r7:00000000 r6:83018200 r5:00001000 r4:7f0b3000 [ 1324.127762][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.127827][ T32] r5:00001000 r4:eca71000 [ 1324.127858][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.127917][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.128019][ T32] r5:85a19b8c r4:85a19800 [ 1324.128061][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.128132][ T32] r7:ddde2d80 r6:83018200 r5:85a19b8c r4:8461d280 [ 1324.128163][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.128233][ T32] r10:61c88647 r9:83a29800 r8:8461d2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.128266][ T32] r4:8461d280 [ 1324.128296][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.128367][ T32] r10:00000000 r9:8461d280 r8:8027f5e8 r7:df91de60 r6:8461d180 r5:83a29800 [ 1324.128400][ T32] r4:00000001 [ 1324.128429][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.128482][ T32] Exception stack(0xdf9d5fb0 to 0xdf9d5ff8) [ 1324.128521][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.128564][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.128631][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.128679][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.128714][ T32] r4:84d46a40 [ 1324.129240][ T32] INFO: task kworker/1:6:3117 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.129290][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.129427][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.129541][ T32] Call trace: [ 1324.129622][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.129785][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.132678][ T32] r4:00000000 [ 1324.132744][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.132851][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.132920][ T32] dd20: b9fd8000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.133000][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.133072][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.133131][ T32] r5:80070013 r4:80239bb0 [ 1324.133200][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.133329][ T32] r4:82ac11a4 [ 1324.133384][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.133496][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.133548][ T32] r4:e883ddc0 [ 1324.133595][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.133692][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.133743][ T32] r4:00000000 [ 1324.133790][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.133889][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.133938][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.134043][ T32] r5:00001000 r4:e47a2000 [ 1324.134111][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.134236][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.134347][ T32] r5:84fe978c r4:84fe9400 [ 1324.134394][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.134490][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.134537][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.134631][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.134678][ T32] r4:8454d880 [ 1324.134725][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.134818][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.134872][ T32] r4:00000001 [ 1324.134921][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.135003][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.135074][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.135141][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.135203][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.135270][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.135323][ T32] r4:84e5a440 [ 1324.135388][ T32] INFO: task kworker/1:7:3122 blocked for more than 450 seconds. [ 1324.135461][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.135541][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.135613][ T32] task:kworker/1:7 state:D stack:0 pid:3122 tgid:3122 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.135727][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.135851][ T32] Call trace: [ 1324.135943][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.136060][ T32] r10:8291880c r9:df9f5d84 r8:00000002 r7:60000113 r6:df9f5d8c r5:83242400 [ 1324.136145][ T32] r4:83242400 [ 1324.136232][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.136331][ T32] r5:83242400 r4:82918808 [ 1324.136384][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.136472][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.136569][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9f5e08 [ 1324.136621][ T32] r4:00000000 [ 1324.136687][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.136771][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.136876][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.136984][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c8200 [ 1324.137043][ T32] r4:00000000 [ 1324.137109][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.137207][ T32] r9:83018205 r8:83242400 r7:00000000 r6:83018200 r5:00001000 r4:7f00b000 [ 1324.137259][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.137353][ T32] r5:00001000 r4:df9db000 [ 1324.137400][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.137485][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.137600][ T32] r5:84430f8c r4:84430c00 [ 1324.137654][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.137750][ T32] r7:ddde2d80 r6:83018200 r5:84430f8c r4:8461d080 [ 1324.137818][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.137938][ T32] r10:61c88647 r9:83242400 r8:8461d0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.138010][ T32] r4:8461d080 [ 1324.138076][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.138214][ T32] r10:00000000 r9:8461d080 r8:8027f5e8 r7:df9d5e60 r6:8461d100 r5:83242400 [ 1324.138272][ T32] r4:00000001 [ 1324.138334][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.138422][ T32] Exception stack(0xdf9f5fb0 to 0xdf9f5ff8) [ 1324.138484][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.138547][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.138609][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.138674][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.138731][ T32] r4:84d46c40 [ 1324.139576][ T32] INFO: task kworker/1:7:3122 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.139673][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.150552][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.150691][ T32] Call trace: [ 1324.150794][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.150922][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.151052][ T32] r4:00000000 [ 1324.151120][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.151213][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.151281][ T32] dd20: ba28d000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.151377][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.151438][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.151493][ T32] r5:80070013 r4:80239bb0 [ 1324.151539][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.151637][ T32] r4:82ac11a4 [ 1324.151687][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.151787][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.151841][ T32] r4:e883ddc0 [ 1324.151892][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.151992][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.152053][ T32] r4:00000000 [ 1324.152103][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.152205][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.152255][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.152367][ T32] r5:00001000 r4:e47a2000 [ 1324.152421][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.152509][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.152602][ T32] r5:84fe978c r4:84fe9400 [ 1324.152649][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.152798][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.152861][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.152967][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.153030][ T32] r4:8454d880 [ 1324.153084][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.153182][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.153275][ T32] r4:00000001 [ 1324.153355][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.153452][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.153531][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.153609][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.153680][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.153745][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.153796][ T32] r4:84e5a440 [ 1324.153888][ T32] INFO: task kworker/0:4:3125 blocked for more than 450 seconds. [ 1324.153956][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.153997][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.154030][ T32] task:kworker/0:4 state:D stack:0 pid:3125 tgid:3125 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.154112][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.154215][ T32] Call trace: [ 1324.154271][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.154349][ T32] r10:8291880c r9:dfa01d84 r8:00000002 r7:60000113 r6:dfa01d8c r5:844fc800 [ 1324.154384][ T32] r4:844fc800 [ 1324.154415][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.154498][ T32] r5:844fc800 r4:82918808 [ 1324.154555][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.154615][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.154704][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa01e08 [ 1324.154764][ T32] r4:00000000 [ 1324.154796][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.154852][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.154908][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.154997][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8517dc00 [ 1324.155039][ T32] r4:00000000 [ 1324.155070][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.155138][ T32] r9:83018005 r8:844fc800 r7:00000000 r6:83018000 r5:00001000 r4:7f053000 [ 1324.155170][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.155233][ T32] r5:00001000 r4:e070d000 [ 1324.155263][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.155324][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.155401][ T32] r5:84fcb38c r4:84fcb000 [ 1324.155435][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.155505][ T32] r7:dddced80 r6:83018000 r5:84fcb38c r4:84777b00 [ 1324.155536][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.155607][ T32] r10:61c88647 r9:844fc800 r8:84777b2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.155641][ T32] r4:84777b00 [ 1324.155671][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.155740][ T32] r10:00000000 r9:84777b00 r8:8027f5e8 r7:df975e60 r6:8461d200 r5:844fc800 [ 1324.155773][ T32] r4:00000001 [ 1324.155802][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.155857][ T32] Exception stack(0xdfa01fb0 to 0xdfa01ff8) [ 1324.155920][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1324.155990][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.156059][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.156130][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.156167][ T32] r4:84d99780 [ 1324.156916][ T32] INFO: task kworker/0:4:3125 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.156966][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.157054][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.157119][ T32] Call trace: [ 1324.157165][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.157240][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.157275][ T32] r4:00000000 [ 1324.157308][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.157365][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.157427][ T32] dd20: ba28d000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.157486][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.157526][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.157563][ T32] r5:80070013 r4:80239bb0 [ 1324.157593][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.157661][ T32] r4:82ac11a4 [ 1324.157691][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.157763][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.157796][ T32] r4:e883ddc0 [ 1324.157825][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.157893][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.157926][ T32] r4:00000000 [ 1324.157956][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.158023][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.158068][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.158152][ T32] r5:00001000 r4:e47a2000 [ 1324.158204][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.158272][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.158343][ T32] r5:84fe978c r4:84fe9400 [ 1324.158396][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.158475][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.158508][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.158579][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.158612][ T32] r4:8454d880 [ 1324.158664][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.158736][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.158791][ T32] r4:00000001 [ 1324.158825][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.158882][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.158945][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.159014][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.159065][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.159110][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.159145][ T32] r4:84e5a440 [ 1324.159181][ T32] INFO: task kworker/0:5:3127 blocked for more than 450 seconds. [ 1324.159221][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.159256][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.159289][ T32] task:kworker/0:5 state:D stack:0 pid:3127 tgid:3127 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.159384][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.159462][ T32] Call trace: [ 1324.159519][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.159597][ T32] r10:8291880c r9:dfa11d84 r8:00000002 r7:60000113 r6:dfa11d8c r5:844f9800 [ 1324.159631][ T32] r4:844f9800 [ 1324.159682][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.170145][ T32] r5:844f9800 r4:82918808 [ 1324.170274][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.170386][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.170463][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa11e08 [ 1324.170497][ T32] r4:00000000 [ 1324.170529][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.170584][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.170649][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.170728][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85066340 [ 1324.170766][ T32] r4:00000000 [ 1324.170798][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.170892][ T32] r9:83018005 r8:844f9800 r7:00000000 r6:83018000 r5:00001000 r4:7f02d000 [ 1324.170930][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.171011][ T32] r5:00001000 r4:dfc9b000 [ 1324.171052][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.171115][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.171201][ T32] r5:84fc8b8c r4:84fc8800 [ 1324.171251][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.171373][ T32] r7:dddced80 r6:83018000 r5:84fc8b8c r4:84777900 [ 1324.171429][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.171559][ T32] r10:61c88647 r9:844f9800 r8:8477792c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.171619][ T32] r4:84777900 [ 1324.171672][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.171778][ T32] r10:00000000 r9:84777900 r8:8027f5e8 r7:dfa01e60 r6:8461d580 r5:844f9800 [ 1324.171834][ T32] r4:00000001 [ 1324.171899][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.171991][ T32] Exception stack(0xdfa11fb0 to 0xdfa11ff8) [ 1324.172077][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1324.172155][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.172216][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.172300][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.172360][ T32] r4:84d99800 [ 1324.173193][ T32] INFO: task kworker/0:5:3127 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.173277][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.173469][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.173612][ T32] Call trace: [ 1324.173684][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.173790][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.173846][ T32] r4:00000000 [ 1324.173919][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.174013][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.174092][ T32] dd20: ba60f000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.174157][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.174244][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.174313][ T32] r5:80070013 r4:80239bb0 [ 1324.174362][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.174474][ T32] r4:82ac11a4 [ 1324.174528][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.174630][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.174682][ T32] r4:e883ddc0 [ 1324.174726][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.174818][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.174888][ T32] r4:00000000 [ 1324.174942][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.175049][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.175100][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.175197][ T32] r5:00001000 r4:e47a2000 [ 1324.175243][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.175329][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.175416][ T32] r5:84fe978c r4:84fe9400 [ 1324.175475][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.175576][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.175621][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.175730][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.175789][ T32] r4:8454d880 [ 1324.175832][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.175924][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.175972][ T32] r4:00000001 [ 1324.176015][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.176101][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.176156][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.176218][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.176301][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.176369][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.176419][ T32] r4:84e5a440 [ 1324.176711][ T32] INFO: task kworker/0:6:3129 blocked for more than 450 seconds. [ 1324.176804][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.176870][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.176929][ T32] task:kworker/0:6 state:D stack:0 pid:3129 tgid:3129 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.177019][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.177115][ T32] Call trace: [ 1324.177185][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.177286][ T32] r10:8291880c r9:dfa21d84 r8:00000002 r7:60000013 r6:dfa21d8c r5:844fb000 [ 1324.177354][ T32] r4:844fb000 [ 1324.177424][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.177521][ T32] r5:844fb000 r4:82918808 [ 1324.177569][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.177665][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.177780][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa21e08 [ 1324.177837][ T32] r4:00000000 [ 1324.177882][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.177964][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.178077][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.178179][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851ef640 [ 1324.178309][ T32] r4:00000000 [ 1324.178374][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.178472][ T32] r9:83018005 r8:844fb000 r7:00000000 r6:83018000 r5:00001000 r4:7f027000 [ 1324.178525][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.178615][ T32] r5:00001000 r4:dfa35000 [ 1324.178712][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.178819][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.178937][ T32] r5:8454b78c r4:8454b400 [ 1324.178993][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.179183][ T32] r7:dddced80 r6:83018000 r5:8454b78c r4:84777980 [ 1324.179273][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.179399][ T32] r10:61c88647 r9:844fb000 r8:847779ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.179461][ T32] r4:84777980 [ 1324.179527][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.179630][ T32] r10:00000000 r9:84777980 r8:8027f5e8 r7:dfa01e60 r6:8461d680 r5:844fb000 [ 1324.179687][ T32] r4:00000001 [ 1324.179755][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.190821][ T32] Exception stack(0xdfa21fb0 to 0xdfa21ff8) [ 1324.190923][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1324.190984][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.191040][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.191094][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.191145][ T32] r4:84d99800 [ 1324.192015][ T32] INFO: task kworker/0:6:3129 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.192143][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.192365][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.192489][ T32] Call trace: [ 1324.192586][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.192707][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.192763][ T32] r4:00000000 [ 1324.192829][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.192933][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.193036][ T32] dd20: ba8d3000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.193137][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.193205][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.193258][ T32] r5:80070013 r4:80239bb0 [ 1324.193322][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.193429][ T32] r4:82ac11a4 [ 1324.193481][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.193578][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.193649][ T32] r4:e883ddc0 [ 1324.193711][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.193835][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.193892][ T32] r4:00000000 [ 1324.193966][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.194079][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.194132][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.194285][ T32] r5:00001000 r4:e47a2000 [ 1324.194350][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.194451][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.194543][ T32] r5:84fe978c r4:84fe9400 [ 1324.194591][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.194692][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.194761][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.194867][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.194933][ T32] r4:8454d880 [ 1324.195009][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.195155][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.195218][ T32] r4:00000001 [ 1324.195279][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.195365][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.195425][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.195488][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.195551][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.195616][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.195710][ T32] r4:84e5a440 [ 1324.195800][ T32] INFO: task kworker/0:7:3130 blocked for more than 450 seconds. [ 1324.195896][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.195965][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.196060][ T32] task:kworker/0:7 state:D stack:0 pid:3130 tgid:3130 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.196252][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.196351][ T32] Call trace: [ 1324.196491][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.196593][ T32] r10:8291880c r9:dfa25d84 r8:00000002 r7:60000113 r6:dfa25d8c r5:83252400 [ 1324.196646][ T32] r4:83252400 [ 1324.196694][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.196781][ T32] r5:83252400 r4:82918808 [ 1324.196833][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.196915][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.197038][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa25e08 [ 1324.197097][ T32] r4:00000000 [ 1324.197162][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.197249][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.197350][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.197452][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85203700 [ 1324.197502][ T32] r4:00000000 [ 1324.197565][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.197697][ T32] r9:83018005 r8:83252400 r7:00000000 r6:83018000 r5:00001000 r4:7f07d000 [ 1324.197761][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.197852][ T32] r5:00001000 r4:e05cd000 [ 1324.197898][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.197989][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.198097][ T32] r5:8454af8c r4:8454ac00 [ 1324.198212][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.198324][ T32] r7:dddced80 r6:83018000 r5:8454af8c r4:84777580 [ 1324.198375][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.198476][ T32] r10:61c88647 r9:83252400 r8:847775ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.198548][ T32] r4:84777580 [ 1324.198601][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.198698][ T32] r10:00000000 r9:84777580 r8:8027f5e8 r7:dfa21e60 r6:8461d700 r5:83252400 [ 1324.198778][ T32] r4:00000001 [ 1324.198830][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.198939][ T32] Exception stack(0xdfa25fb0 to 0xdfa25ff8) [ 1324.199003][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.199106][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.199190][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.199259][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.199315][ T32] r4:84d99800 [ 1324.210954][ T32] INFO: task kworker/0:7:3130 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.211152][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.211347][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.211472][ T32] Call trace: [ 1324.211602][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.211738][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.211795][ T32] r4:00000000 [ 1324.211845][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.211950][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.212021][ T32] dd20: bab6a000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.212097][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.212152][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.212205][ T32] r5:80070013 r4:80239bb0 [ 1324.212251][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.212368][ T32] r4:82ac11a4 [ 1324.212432][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.212567][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.212626][ T32] r4:e883ddc0 [ 1324.212674][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.212789][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.212852][ T32] r4:00000000 [ 1324.212915][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.213018][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.213080][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.213160][ T32] r5:00001000 r4:e47a2000 [ 1324.213192][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.213253][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.213319][ T32] r5:84fe978c r4:84fe9400 [ 1324.213380][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.213464][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.213497][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.213573][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.213607][ T32] r4:8454d880 [ 1324.213637][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.213708][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.213742][ T32] r4:00000001 [ 1324.213772][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.213851][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.213896][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.213963][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.214029][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.214114][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.214156][ T32] r4:84e5a440 [ 1324.214295][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.214400][ T32] INFO: task kworker/0:8:3132 blocked for more than 450 seconds. [ 1324.214471][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.214514][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.214548][ T32] task:kworker/0:8 state:D stack:0 pid:3132 tgid:3132 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.214701][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.214772][ T32] Call trace: [ 1324.214936][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.215022][ T32] r10:8291880c r9:dfa39d84 r8:00000002 r7:60000013 r6:dfa39d8c r5:83238c00 [ 1324.215066][ T32] r4:83238c00 [ 1324.215122][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.215193][ T32] r5:83238c00 r4:82918808 [ 1324.215223][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.215280][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.215349][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa39e08 [ 1324.215383][ T32] r4:00000000 [ 1324.215412][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.215467][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.215527][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.215612][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522e7c0 [ 1324.215654][ T32] r4:00000000 [ 1324.215691][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.215766][ T32] r9:83018005 r8:83238c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0cf000 [ 1324.215800][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.215865][ T32] r5:00001000 r4:ead8d000 [ 1324.215896][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.215955][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.216018][ T32] r5:8454ab8c r4:8454a800 [ 1324.216054][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.216123][ T32] r7:dddced80 r6:83018000 r5:8454ab8c r4:84777480 [ 1324.216153][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.216223][ T32] r10:61c88647 r9:83238c00 r8:847774ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.216256][ T32] r4:84777480 [ 1324.216286][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.216356][ T32] r10:00000000 r9:84777480 r8:8027f5e8 r7:dfa21e60 r6:8461d800 r5:83238c00 [ 1324.216391][ T32] r4:00000001 [ 1324.216421][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.216498][ T32] Exception stack(0xdfa39fb0 to 0xdfa39ff8) [ 1324.216543][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.216587][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.216628][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.216672][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.216705][ T32] r4:84d99d00 [ 1324.217392][ T32] INFO: task kworker/0:8:3132 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.217441][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.217528][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.217612][ T32] Call trace: [ 1324.217659][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.217734][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.217768][ T32] r4:00000000 [ 1324.217798][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.217854][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.217896][ T32] dd20: bab6a000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.217940][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.217978][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.218061][ T32] r5:80070013 r4:80239bb0 [ 1324.218098][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.218169][ T32] r4:82ac11a4 [ 1324.218232][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.218310][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.218346][ T32] r4:e883ddc0 [ 1324.218400][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.218477][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.218513][ T32] r4:00000000 [ 1324.218549][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.218626][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.218661][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.218727][ T32] r5:00001000 r4:e47a2000 [ 1324.218759][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.218820][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.218887][ T32] r5:84fe978c r4:84fe9400 [ 1324.218919][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.218994][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.219040][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.219117][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.219174][ T32] r4:8454d880 [ 1324.219208][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.219292][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.219349][ T32] r4:00000001 [ 1324.219382][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.219440][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.219481][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.219524][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.219577][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.219637][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.219671][ T32] r4:84e5a440 [ 1324.219703][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.219793][ T32] INFO: task kworker/0:9:3134 blocked for more than 450 seconds. [ 1324.250896][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.250992][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.251051][ T32] task:kworker/0:9 state:D stack:0 pid:3134 tgid:3134 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.251155][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.251306][ T32] Call trace: [ 1324.251415][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.251540][ T32] r10:8291880c r9:dfa49d84 r8:00000002 r7:60000113 r6:dfa49d8c r5:839f5400 [ 1324.251616][ T32] r4:839f5400 [ 1324.251674][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.251768][ T32] r5:839f5400 r4:82918808 [ 1324.251814][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.251900][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.252015][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa49e08 [ 1324.252094][ T32] r4:00000000 [ 1324.252158][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.252245][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.252337][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.252433][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852ca900 [ 1324.252480][ T32] r4:00000000 [ 1324.252523][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.252642][ T32] r9:83018005 r8:839f5400 r7:00000000 r6:83018000 r5:00001000 r4:7f00b000 [ 1324.252729][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.252850][ T32] r5:00001000 r4:df9eb000 [ 1324.252904][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.252990][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.253084][ T32] r5:853c838c r4:853c8000 [ 1324.253144][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.253258][ T32] r7:dddced80 r6:83018000 r5:853c838c r4:84777d80 [ 1324.253323][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.253424][ T32] r10:61c88647 r9:839f5400 r8:84777dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.253484][ T32] r4:84777d80 [ 1324.253534][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.253636][ T32] r10:00000000 r9:84777d80 r8:8027f5e8 r7:dfa21e60 r6:8461d780 r5:839f5400 [ 1324.253705][ T32] r4:00000001 [ 1324.253752][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.253835][ T32] Exception stack(0xdfa49fb0 to 0xdfa49ff8) [ 1324.253894][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.253981][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.254061][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.254142][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.254241][ T32] r4:84d99d40 [ 1324.255127][ T32] INFO: task kworker/0:9:3134 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.255211][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.255422][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.255518][ T32] Call trace: [ 1324.255588][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.255704][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.255762][ T32] r4:00000000 [ 1324.255808][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.255891][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.255965][ T32] dd20: bae9f000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.256028][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.256098][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.256153][ T32] r5:80070013 r4:80239bb0 [ 1324.256215][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.256314][ T32] r4:82ac11a4 [ 1324.256360][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.256483][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.256535][ T32] r4:e883ddc0 [ 1324.256577][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.256682][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.256736][ T32] r4:00000000 [ 1324.256780][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.256867][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.256918][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.257027][ T32] r5:00001000 r4:e47a2000 [ 1324.257089][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.257181][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.257274][ T32] r5:84fe978c r4:84fe9400 [ 1324.257323][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.257454][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.257521][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.257617][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.257667][ T32] r4:8454d880 [ 1324.257711][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.257822][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.257884][ T32] r4:00000001 [ 1324.257928][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.258003][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.258072][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.258131][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.258217][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.258304][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.258404][ T32] r4:84e5a440 [ 1324.258501][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.258569][ T32] INFO: task kworker/1:8:3137 blocked for more than 450 seconds. [ 1324.258633][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.258682][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.258754][ T32] task:kworker/1:8 state:D stack:0 pid:3137 tgid:3137 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.258873][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.258989][ T32] Call trace: [ 1324.259081][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.259212][ T32] r10:8291880c r9:dfa5dd84 r8:00000002 r7:60000013 r6:dfa5dd8c r5:839f6c00 [ 1324.259291][ T32] r4:839f6c00 [ 1324.259346][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.259435][ T32] r5:839f6c00 r4:82918808 [ 1324.259480][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.259555][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.259652][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa5de08 [ 1324.259726][ T32] r4:00000000 [ 1324.284914][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.285162][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.285371][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.285505][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851bdec0 [ 1324.285547][ T32] r4:00000000 [ 1324.285580][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.285654][ T32] r9:83018205 r8:839f6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f00b000 [ 1324.285688][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.285758][ T32] r5:00001000 r4:eb2cb000 [ 1324.285813][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.285901][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.285973][ T32] r5:853b6b8c r4:853b6800 [ 1324.286004][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.286087][ T32] r7:ddde2d80 r6:83018200 r5:853b6b8c r4:8461d880 [ 1324.286120][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.286241][ T32] r10:61c88647 r9:839f6c00 r8:8461d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.286293][ T32] r4:8461d880 [ 1324.286329][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.286402][ T32] r10:00000000 r9:8461d880 r8:8027f5e8 r7:df9d5e60 r6:8461d980 r5:839f6c00 [ 1324.286436][ T32] r4:00000001 [ 1324.286467][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.286550][ T32] Exception stack(0xdfa5dfb0 to 0xdfa5dff8) [ 1324.286601][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.286647][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.286688][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.286758][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.286861][ T32] r4:847693c0 [ 1324.287675][ T32] INFO: task kworker/1:8:3137 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.287729][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.287880][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.288013][ T32] Call trace: [ 1324.288136][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.288240][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.288318][ T32] r4:00000000 [ 1324.288397][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.288505][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.288567][ T32] dd20: bb221000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.288627][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.288696][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.288754][ T32] r5:80070013 r4:80239bb0 [ 1324.288820][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.288916][ T32] r4:82ac11a4 [ 1324.288964][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.289088][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.289144][ T32] r4:e883ddc0 [ 1324.289204][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.289303][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.289368][ T32] r4:00000000 [ 1324.289432][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.289543][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.289609][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.289706][ T32] r5:00001000 r4:e47a2000 [ 1324.310487][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.310742][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.310842][ T32] r5:84fe978c r4:84fe9400 [ 1324.310892][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.310988][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.311044][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.311152][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.311209][ T32] r4:8454d880 [ 1324.311253][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.311352][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.311404][ T32] r4:00000001 [ 1324.311476][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.311562][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.311643][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.311739][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.311821][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.311889][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.311939][ T32] r4:84e5a440 [ 1324.311992][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.312084][ T32] INFO: task kworker/0:10:3139 blocked for more than 450 seconds. [ 1324.312164][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.312217][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.312268][ T32] task:kworker/0:10 state:D stack:0 pid:3139 tgid:3139 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.312415][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.312519][ T32] Call trace: [ 1324.312641][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.312755][ T32] r10:8291880c r9:dfa6dd84 r8:00000002 r7:60000113 r6:dfa6dd8c r5:83256000 [ 1324.312810][ T32] r4:83256000 [ 1324.312872][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.312984][ T32] r5:83256000 r4:82918808 [ 1324.313056][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.313142][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.313237][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa6de08 [ 1324.313290][ T32] r4:00000000 [ 1324.313336][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.313414][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.313510][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.313610][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852bd640 [ 1324.313675][ T32] r4:00000000 [ 1324.313743][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.313843][ T32] r9:83018005 r8:83256000 r7:00000000 r6:83018000 r5:00001000 r4:7f05b000 [ 1324.313896][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.314013][ T32] r5:00001000 r4:eb117000 [ 1324.314087][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.314217][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.314349][ T32] r5:853b778c r4:853b7400 [ 1324.314416][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.314520][ T32] r7:dddced80 r6:83018000 r5:853b778c r4:84777d00 [ 1324.314567][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.314675][ T32] r10:61c88647 r9:83256000 r8:84777d2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.314728][ T32] r4:84777d00 [ 1324.314823][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.314957][ T32] r10:00000000 r9:84777d00 r8:8027f5e8 r7:dfa49e60 r6:8461d900 r5:83256000 [ 1324.315030][ T32] r4:00000001 [ 1324.315088][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.315171][ T32] Exception stack(0xdfa6dfb0 to 0xdfa6dff8) [ 1324.315229][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.315290][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.315431][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.315498][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.315564][ T32] r4:84d99f00 [ 1324.316431][ T32] INFO: task kworker/0:10:3139 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.316507][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.316632][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.316774][ T32] Call trace: [ 1324.316908][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.317010][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.317073][ T32] r4:00000000 [ 1324.317118][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.317200][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.317274][ T32] dd20: bb4cd000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.317339][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.317394][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.317440][ T32] r5:80070013 r4:80239bb0 [ 1324.317481][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.317571][ T32] r4:82ac11a4 [ 1324.317615][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.317733][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.317802][ T32] r4:e883ddc0 [ 1324.317862][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.318011][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.318083][ T32] r4:00000000 [ 1324.318130][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.318250][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.318299][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.318380][ T32] r5:00001000 r4:e47a2000 [ 1324.318424][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.318504][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.318595][ T32] r5:84fe978c r4:84fe9400 [ 1324.318651][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.318760][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.318834][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.318948][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.319010][ T32] r4:8454d880 [ 1324.319081][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.319181][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.319246][ T32] r4:00000001 [ 1324.319306][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.319389][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.319452][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.319538][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.319615][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.319698][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.340206][ T32] r4:84e5a440 [ 1324.340333][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.340397][ T32] INFO: task kworker/1:9:3142 blocked for more than 450 seconds. [ 1324.340454][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.340491][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.340538][ T32] task:kworker/1:9 state:D stack:0 pid:3142 tgid:3142 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.340656][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.340776][ T32] Call trace: [ 1324.340831][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.340920][ T32] r10:8291880c r9:dfa8dd84 r8:00000002 r7:60000013 r6:dfa8dd8c r5:844bbc00 [ 1324.340956][ T32] r4:844bbc00 [ 1324.340998][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.341096][ T32] r5:844bbc00 r4:82918808 [ 1324.341170][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.341262][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.341360][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa8de08 [ 1324.341409][ T32] r4:00000000 [ 1324.341480][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.341580][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.341675][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.341774][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b8c0 [ 1324.341829][ T32] r4:00000000 [ 1324.341913][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.342028][ T32] r9:83018205 r8:844bbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f099000 [ 1324.342095][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.342227][ T32] r5:00001000 r4:ec8a1000 [ 1324.342277][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.342364][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.342472][ T32] r5:85a0e78c r4:85a0e400 [ 1324.342571][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.342685][ T32] r7:ddde2d80 r6:83018200 r5:85a0e78c r4:8461db00 [ 1324.342748][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.342849][ T32] r10:61c88647 r9:844bbc00 r8:8461db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.342901][ T32] r4:8461db00 [ 1324.342963][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.343098][ T32] r10:00000000 r9:8461db00 r8:8027f5e8 r7:df9d5e60 r6:8461db80 r5:844bbc00 [ 1324.343166][ T32] r4:00000001 [ 1324.343213][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.343298][ T32] Exception stack(0xdfa8dfb0 to 0xdfa8dff8) [ 1324.343374][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.343441][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.343510][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.343597][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.343656][ T32] r4:847695c0 [ 1324.344558][ T32] INFO: task kworker/1:9:3142 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.344663][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.344802][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.344953][ T32] Call trace: [ 1324.345143][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.345264][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.345347][ T32] r4:00000000 [ 1324.345413][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.345502][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.345564][ T32] dd20: bb545000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.345630][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.345730][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.345798][ T32] r5:80070013 r4:80239bb0 [ 1324.345844][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.345938][ T32] r4:82ac11a4 [ 1324.345983][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.346105][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.346160][ T32] r4:e883ddc0 [ 1324.346263][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.346363][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.346428][ T32] r4:00000000 [ 1324.346482][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.346574][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.346621][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.346709][ T32] r5:00001000 r4:e47a2000 [ 1324.346754][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.346837][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.346927][ T32] r5:84fe978c r4:84fe9400 [ 1324.346974][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.347079][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.347128][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.347221][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.347272][ T32] r4:8454d880 [ 1324.347316][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.347409][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.347457][ T32] r4:00000001 [ 1324.347498][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.347601][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.347666][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.347727][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.347783][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.347845][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.347896][ T32] r4:84e5a440 [ 1324.347948][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.348030][ T32] INFO: task kworker/0:11:3144 blocked for more than 450 seconds. [ 1324.348105][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.348160][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.348207][ T32] task:kworker/0:11 state:D stack:0 pid:3144 tgid:3144 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.348322][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.348436][ T32] Call trace: [ 1324.348519][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.348619][ T32] r10:8291880c r9:dfa91d84 r8:00000002 r7:60000113 r6:dfa91d8c r5:844bd400 [ 1324.348668][ T32] r4:844bd400 [ 1324.348713][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.348796][ T32] r5:844bd400 r4:82918808 [ 1324.348850][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.348936][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.349043][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa91e08 [ 1324.349097][ T32] r4:00000000 [ 1324.349143][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.349226][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.349314][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.349412][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8548d2c0 [ 1324.349460][ T32] r4:00000000 [ 1324.349505][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.349603][ T32] r9:83018005 r8:844bd400 r7:00000000 r6:83018000 r5:00001000 r4:7f029000 [ 1324.349755][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.382429][ T32] r5:00001000 r4:dfdd9000 [ 1324.382514][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.382648][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.382796][ T32] r5:853cbb8c r4:853cb800 [ 1324.382863][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.382997][ T32] r7:dddced80 r6:83018000 r5:853cbb8c r4:841a4e00 [ 1324.383072][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.383170][ T32] r10:61c88647 r9:844bd400 r8:841a4e2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.383244][ T32] r4:841a4e00 [ 1324.383324][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.383405][ T32] r10:00000000 r9:841a4e00 r8:8027f5e8 r7:dfa49e60 r6:8461da80 r5:844bd400 [ 1324.383441][ T32] r4:00000001 [ 1324.383501][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.383590][ T32] Exception stack(0xdfa91fb0 to 0xdfa91ff8) [ 1324.383664][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1324.383712][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.383754][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.383798][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.383897][ T32] r4:84d46040 [ 1324.384705][ T32] INFO: task kworker/0:11:3144 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.384781][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.384941][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.385020][ T32] Call trace: [ 1324.385111][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.385196][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.385243][ T32] r4:00000000 [ 1324.385301][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.385367][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.385433][ T32] dd20: bb9b9000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.385505][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.385547][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.385584][ T32] r5:80070013 r4:80239bb0 [ 1324.385614][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.385687][ T32] r4:82ac11a4 [ 1324.385718][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.385792][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.385826][ T32] r4:e883ddc0 [ 1324.385856][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.385949][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.385997][ T32] r4:00000000 [ 1324.386031][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.386123][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.386184][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.386297][ T32] r5:00001000 r4:e47a2000 [ 1324.386335][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.386398][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.386463][ T32] r5:84fe978c r4:84fe9400 [ 1324.386493][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.386566][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.386596][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.386668][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.386703][ T32] r4:8454d880 [ 1324.386745][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.386819][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.386865][ T32] r4:00000001 [ 1324.386898][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.386955][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.386997][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.387092][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.387138][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.387184][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.387218][ T32] r4:84e5a440 [ 1324.387251][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.387297][ T32] INFO: task kworker/0:12:3145 blocked for more than 450 seconds. [ 1324.387372][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.387414][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.387463][ T32] task:kworker/0:12 state:D stack:0 pid:3145 tgid:3145 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.387556][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.387644][ T32] Call trace: [ 1324.387717][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.387818][ T32] r10:8291880c r9:dfa95d84 r8:00000002 r7:60000113 r6:dfa95d8c r5:844b8c00 [ 1324.387856][ T32] r4:844b8c00 [ 1324.387887][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.387949][ T32] r5:844b8c00 r4:82918808 [ 1324.388005][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.388094][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.388167][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa95e08 [ 1324.388201][ T32] r4:00000000 [ 1324.388231][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.388286][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.388346][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.388415][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8548b5c0 [ 1324.388448][ T32] r4:00000000 [ 1324.388502][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.388575][ T32] r9:83018005 r8:844b8c00 r7:00000000 r6:83018000 r5:00001000 r4:7f035000 [ 1324.388630][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.388728][ T32] r5:00001000 r4:dfa69000 [ 1324.388762][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.388822][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.388898][ T32] r5:8546038c r4:85460000 [ 1324.388954][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.389028][ T32] r7:dddced80 r6:83018000 r5:8546038c r4:841a4d80 [ 1324.389066][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.389139][ T32] r10:61c88647 r9:844b8c00 r8:841a4dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.389188][ T32] r4:841a4d80 [ 1324.389221][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.389294][ T32] r10:00000000 r9:841a4d80 r8:8027f5e8 r7:dfa91e60 r6:8461da00 r5:844b8c00 [ 1324.389332][ T32] r4:00000001 [ 1324.389367][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.389425][ T32] Exception stack(0xdfa95fb0 to 0xdfa95ff8) [ 1324.389468][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.389514][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.389557][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.389601][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.389635][ T32] r4:84d46040 [ 1324.416294][ T32] INFO: task kworker/0:12:3145 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.416454][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.416607][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.416756][ T32] Call trace: [ 1324.416841][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.416958][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.417013][ T32] r4:00000000 [ 1324.417093][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.417223][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.417299][ T32] dd20: bbc31000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.417367][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.417429][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.417483][ T32] r5:80070013 r4:80239bb0 [ 1324.417557][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.417680][ T32] r4:82ac11a4 [ 1324.417734][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.417838][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.417916][ T32] r4:e883ddc0 [ 1324.417986][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.418108][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.418176][ T32] r4:00000000 [ 1324.418249][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.418352][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.418430][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.418549][ T32] r5:00001000 r4:e47a2000 [ 1324.418604][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.418708][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.418805][ T32] r5:84fe978c r4:84fe9400 [ 1324.418886][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.418989][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.419045][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.419147][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.419199][ T32] r4:8454d880 [ 1324.419247][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.419347][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.419399][ T32] r4:00000001 [ 1324.419461][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.419546][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.419619][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.419685][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.427040][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.427196][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.427307][ T32] r4:84e5a440 [ 1324.427359][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.427422][ T32] INFO: task kworker/0:13:3147 blocked for more than 450 seconds. [ 1324.427475][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.427515][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.427548][ T32] task:kworker/0:13 state:D stack:0 pid:3147 tgid:3147 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.427628][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.427708][ T32] Call trace: [ 1324.427758][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.427864][ T32] r10:8291880c r9:dfaa9d84 r8:00000002 r7:60000113 r6:dfaa9d8c r5:844bb000 [ 1324.427904][ T32] r4:844bb000 [ 1324.427938][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.428078][ T32] r5:844bb000 r4:82918808 [ 1324.428167][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.428319][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.428400][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfaa9e08 [ 1324.428437][ T32] r4:00000000 [ 1324.428467][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.428545][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.428637][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.428712][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559bc00 [ 1324.428748][ T32] r4:00000000 [ 1324.428801][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.428880][ T32] r9:83018005 r8:844bb000 r7:00000000 r6:83018000 r5:00001000 r4:7f075000 [ 1324.428936][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.429041][ T32] r5:00001000 r4:eb439000 [ 1324.429078][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.429155][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.429225][ T32] r5:854e138c r4:854e1000 [ 1324.429257][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.429332][ T32] r7:dddced80 r6:83018000 r5:854e138c r4:84777f00 [ 1324.429364][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.429458][ T32] r10:61c88647 r9:844bb000 r8:84777f2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.429496][ T32] r4:84777f00 [ 1324.429550][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.429625][ T32] r10:00000000 r9:84777f00 r8:8027f5e8 r7:dfa91e60 r6:8461dc00 r5:844bb000 [ 1324.429661][ T32] r4:00000001 [ 1324.429691][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.440391][ T32] Exception stack(0xdfaa9fb0 to 0xdfaa9ff8) [ 1324.440528][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.440602][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.440649][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.440698][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.440778][ T32] r4:84d4b300 [ 1324.441654][ T32] INFO: task kworker/0:13:3147 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.441750][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.441934][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.442067][ T32] Call trace: [ 1324.442144][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.442342][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.442414][ T32] r4:00000000 [ 1324.442479][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.442576][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.442640][ T32] dd20: bbe49000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.442714][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.442786][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.442892][ T32] r5:80070013 r4:80239bb0 [ 1324.442948][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.443059][ T32] r4:82ac11a4 [ 1324.443104][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.443202][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.443255][ T32] r4:e883ddc0 [ 1324.443305][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.443400][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.443444][ T32] r4:00000000 [ 1324.443499][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.443600][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.443651][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.443739][ T32] r5:00001000 r4:e47a2000 [ 1324.443830][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.443939][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.444029][ T32] r5:84fe978c r4:84fe9400 [ 1324.444085][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.444185][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.444261][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.444413][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.444475][ T32] r4:8454d880 [ 1324.444576][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.444689][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.444742][ T32] r4:00000001 [ 1324.444803][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.444894][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.444955][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.445021][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.445091][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.445183][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.445245][ T32] r4:84e5a440 [ 1324.445281][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.445350][ T32] INFO: task kworker/0:14:3150 blocked for more than 450 seconds. [ 1324.445414][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.445452][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.445529][ T32] task:kworker/0:14 state:D stack:0 pid:3150 tgid:3150 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.445627][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.445690][ T32] Call trace: [ 1324.445783][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.445859][ T32] r10:8291880c r9:dfabdd84 r8:00000002 r7:60000113 r6:dfabdd8c r5:844b8000 [ 1324.445893][ T32] r4:844b8000 [ 1324.445924][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.445986][ T32] r5:844b8000 r4:82918808 [ 1324.446057][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.446146][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.446240][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfabde08 [ 1324.446284][ T32] r4:00000000 [ 1324.446333][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.446391][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.446448][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.446515][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85578880 [ 1324.446550][ T32] r4:00000000 [ 1324.446580][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.446648][ T32] r9:83018005 r8:844b8000 r7:00000000 r6:83018000 r5:00001000 r4:7f04f000 [ 1324.446781][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.446882][ T32] r5:00001000 r4:eb1b1000 [ 1324.446938][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.447023][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.447127][ T32] r5:84237f8c r4:84237c00 [ 1324.447161][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.447230][ T32] r7:dddced80 r6:83018000 r5:84237f8c r4:83cad800 [ 1324.447306][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.447393][ T32] r10:61c88647 r9:844b8000 r8:83cad82c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.447427][ T32] r4:83cad800 [ 1324.447502][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.447586][ T32] r10:00000000 r9:83cad800 r8:8027f5e8 r7:dfaa9e60 r6:8461de00 r5:844b8000 [ 1324.447623][ T32] r4:00000001 [ 1324.447676][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.447743][ T32] Exception stack(0xdfabdfb0 to 0xdfabdff8) [ 1324.447786][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.447829][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.447870][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.447914][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.447946][ T32] r4:84d4b180 [ 1324.448523][ T32] INFO: task kworker/0:14:3150 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.448573][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.448661][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.448728][ T32] Call trace: [ 1324.448821][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.448914][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.448952][ T32] r4:00000000 [ 1324.448983][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.449061][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.449108][ T32] dd20: bbe49000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.449152][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.449191][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.449237][ T32] r5:80070013 r4:80239bb0 [ 1324.449281][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.449355][ T32] r4:82ac11a4 [ 1324.449401][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.449499][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.449537][ T32] r4:e883ddc0 [ 1324.449566][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.449634][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.449668][ T32] r4:00000000 [ 1324.449698][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.480545][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.480612][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.480718][ T32] r5:00001000 r4:e47a2000 [ 1324.480766][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.480834][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.480902][ T32] r5:84fe978c r4:84fe9400 [ 1324.480933][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.481066][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.481129][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.481236][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.481292][ T32] r4:8454d880 [ 1324.481356][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.481476][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.481540][ T32] r4:00000001 [ 1324.481624][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.481729][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.481798][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.481879][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.481939][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.482003][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.482063][ T32] r4:84e5a440 [ 1324.482125][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.482221][ T32] INFO: task kworker/0:15:3151 blocked for more than 450 seconds. [ 1324.482298][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.482352][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.482418][ T32] task:kworker/0:15 state:D stack:0 pid:3151 tgid:3151 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.482545][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.482640][ T32] Call trace: [ 1324.482713][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.482821][ T32] r10:8291880c r9:df9d9d84 r8:00000002 r7:60000113 r6:df9d9d8c r5:83a3bc00 [ 1324.482891][ T32] r4:83a3bc00 [ 1324.482993][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.483098][ T32] r5:83a3bc00 r4:82918808 [ 1324.483145][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.483224][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.483314][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9d9e08 [ 1324.483367][ T32] r4:00000000 [ 1324.483459][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.483577][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.483684][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.483779][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85665700 [ 1324.483831][ T32] r4:00000000 [ 1324.483877][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.483972][ T32] r9:83018005 r8:83a3bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f02b000 [ 1324.484046][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.484159][ T32] r5:00001000 r4:e0537000 [ 1324.484209][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.484294][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.484382][ T32] r5:854e3f8c r4:854e3c00 [ 1324.484426][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.484520][ T32] r7:dddced80 r6:83018000 r5:854e3f8c r4:830b8780 [ 1324.484567][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.484668][ T32] r10:61c88647 r9:83a3bc00 r8:830b87ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.484720][ T32] r4:830b8780 [ 1324.484766][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.484866][ T32] r10:00000000 r9:830b8780 r8:8027f5e8 r7:dfaa9e60 r6:830b8680 r5:83a3bc00 [ 1324.484924][ T32] r4:00000001 [ 1324.484969][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.485060][ T32] Exception stack(0xdf9d9fb0 to 0xdf9d9ff8) [ 1324.485118][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.485183][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.485245][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.485311][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.485368][ T32] r4:84d4b240 [ 1324.486268][ T32] INFO: task kworker/0:15:3151 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.486334][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.486422][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.486514][ T32] Call trace: [ 1324.486592][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.486680][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.486719][ T32] r4:00000000 [ 1324.486751][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.486809][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.486852][ T32] dd20: bc16c000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.486896][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.486935][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.486993][ T32] r5:80070013 r4:80239bb0 [ 1324.487028][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.487117][ T32] r4:82ac11a4 [ 1324.487180][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.487265][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.487300][ T32] r4:e883ddc0 [ 1324.487331][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.487398][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.487455][ T32] r4:00000000 [ 1324.487497][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.487591][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.487628][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.487695][ T32] r5:00001000 r4:e47a2000 [ 1324.487725][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.487785][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.487860][ T32] r5:84fe978c r4:84fe9400 [ 1324.487921][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.488021][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.488107][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.488215][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.488260][ T32] r4:8454d880 [ 1324.488314][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.488395][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.488452][ T32] r4:00000001 [ 1324.488506][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.488609][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.488654][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.488752][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.488797][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.488842][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.488885][ T32] r4:84e5a440 [ 1324.488919][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.488956][ T32] INFO: task kworker/0:16:3154 blocked for more than 450 seconds. [ 1324.489051][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.489091][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.489123][ T32] task:kworker/0:16 state:D stack:0 pid:3154 tgid:3154 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.489190][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.489297][ T32] Call trace: [ 1324.489420][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.489498][ T32] r10:8291880c r9:dfac9d84 r8:00000002 r7:60000113 r6:dfac9d8c r5:83a38000 [ 1324.489533][ T32] r4:83a38000 [ 1324.489609][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.489676][ T32] r5:83a38000 r4:82918808 [ 1324.489822][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.517403][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.517538][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfac9e08 [ 1324.517596][ T32] r4:00000000 [ 1324.517654][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.517728][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.517810][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.517885][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85603e00 [ 1324.517919][ T32] r4:00000000 [ 1324.518071][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.518152][ T32] r9:83018005 r8:83a38000 r7:00000000 r6:83018000 r5:00001000 r4:7f035000 [ 1324.518240][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.518327][ T32] r5:00001000 r4:dfa97000 [ 1324.518361][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.518550][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.518688][ T32] r5:854e238c r4:854e2000 [ 1324.518725][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.518823][ T32] r7:dddced80 r6:83018000 r5:854e238c r4:830b8480 [ 1324.518860][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.518955][ T32] r10:61c88647 r9:83a38000 r8:830b84ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.519071][ T32] r4:830b8480 [ 1324.519107][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.519179][ T32] r10:00000000 r9:830b8480 r8:8027f5e8 r7:df9d9e60 r6:830b8400 r5:83a38000 [ 1324.519289][ T32] r4:00000001 [ 1324.519327][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.519387][ T32] Exception stack(0xdfac9fb0 to 0xdfac9ff8) [ 1324.519443][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.519492][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.519551][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.519641][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.519759][ T32] r4:84d4b400 [ 1324.527492][ T32] INFO: task kworker/0:16:3154 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.527618][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.527785][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.527960][ T32] Call trace: [ 1324.528071][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.528160][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.528232][ T32] r4:00000000 [ 1324.528268][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.528344][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.528395][ T32] dd20: bc46d000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.528441][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.528481][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.528542][ T32] r5:80070013 r4:80239bb0 [ 1324.528598][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.528674][ T32] r4:82ac11a4 [ 1324.528815][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.528895][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.528930][ T32] r4:e883ddc0 [ 1324.528961][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.529035][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.529070][ T32] r4:00000000 [ 1324.529124][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.529217][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.529253][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.529321][ T32] r5:00001000 r4:e47a2000 [ 1324.529353][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.529416][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.529482][ T32] r5:84fe978c r4:84fe9400 [ 1324.529516][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.529614][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.529694][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.529772][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.529807][ T32] r4:8454d880 [ 1324.543405][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.543600][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.543684][ T32] r4:00000001 [ 1324.543728][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.543792][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.543883][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.543985][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.544036][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.544083][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.544139][ T32] r4:84e5a440 [ 1324.544181][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.544239][ T32] INFO: task kworker/0:17:3157 blocked for more than 451 seconds. [ 1324.544292][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.544331][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.544365][ T32] task:kworker/0:17 state:D stack:0 pid:3157 tgid:3157 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.544479][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.544573][ T32] Call trace: [ 1324.544627][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.544711][ T32] r10:8291880c r9:dfad5d84 r8:00000002 r7:60000113 r6:dfad5d8c r5:83a3a400 [ 1324.544746][ T32] r4:83a3a400 [ 1324.544816][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.544885][ T32] r5:83a3a400 r4:82918808 [ 1324.544917][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.544995][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.545074][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfad5e08 [ 1324.545110][ T32] r4:00000000 [ 1324.545140][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.545195][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.545260][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.545352][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857bd380 [ 1324.545413][ T32] r4:00000000 [ 1324.545448][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.545521][ T32] r9:83018005 r8:83a3a400 r7:00000000 r6:83018000 r5:00001000 r4:7f039000 [ 1324.545577][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.545646][ T32] r5:00001000 r4:ea8e9000 [ 1324.545699][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.545776][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.545870][ T32] r5:8575a38c r4:8575a000 [ 1324.545906][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.545977][ T32] r7:dddced80 r6:83018000 r5:8575a38c r4:84d2a280 [ 1324.546010][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.546100][ T32] r10:61c88647 r9:83a3a400 r8:84d2a2ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.546138][ T32] r4:84d2a280 [ 1324.546168][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.546258][ T32] r10:00000000 r9:84d2a280 r8:8027f5e8 r7:df9d9e60 r6:841a5d80 r5:83a3a400 [ 1324.546294][ T32] r4:00000001 [ 1324.546348][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.546432][ T32] Exception stack(0xdfad5fb0 to 0xdfad5ff8) [ 1324.546478][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.546523][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.546564][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.546609][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.546666][ T32] r4:84d4b6c0 [ 1324.547477][ T32] INFO: task kworker/0:17:3157 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.547529][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.547653][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.547727][ T32] Call trace: [ 1324.547799][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.547890][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.547930][ T32] r4:00000000 [ 1324.547961][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.548055][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.548100][ T32] dd20: bc64c000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.548145][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.548184][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.548277][ T32] r5:80070013 r4:80239bb0 [ 1324.548316][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.548409][ T32] r4:82ac11a4 [ 1324.548445][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.548522][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.548558][ T32] r4:e883ddc0 [ 1324.548588][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.548679][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.548728][ T32] r4:00000000 [ 1324.548762][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.548856][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.548895][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.548963][ T32] r5:00001000 r4:e47a2000 [ 1324.549017][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.549091][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.549179][ T32] r5:84fe978c r4:84fe9400 [ 1324.549236][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.549316][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.549349][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.549420][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.549478][ T32] r4:8454d880 [ 1324.549532][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.549626][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.549666][ T32] r4:00000001 [ 1324.549697][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.549753][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.549793][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.563481][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.563618][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.563694][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.563750][ T32] r4:84e5a440 [ 1324.563804][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.563870][ T32] INFO: task kworker/0:18:3158 blocked for more than 451 seconds. [ 1324.563949][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.564008][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.564068][ T32] task:kworker/0:18 state:D stack:0 pid:3158 tgid:3158 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.564179][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.564293][ T32] Call trace: [ 1324.564399][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.564526][ T32] r10:8291880c r9:df9f9d84 r8:00000002 r7:60000113 r6:df9f9d8c r5:83a38c00 [ 1324.564582][ T32] r4:83a38c00 [ 1324.564648][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.564758][ T32] r5:83a38c00 r4:82918808 [ 1324.564822][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.564916][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.565009][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9f9e08 [ 1324.565094][ T32] r4:00000000 [ 1324.565141][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.565202][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.565267][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.565337][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8565e040 [ 1324.565420][ T32] r4:00000000 [ 1324.565456][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.565574][ T32] r9:83018005 r8:83a38c00 r7:00000000 r6:83018000 r5:00001000 r4:7f03d000 [ 1324.565617][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.565683][ T32] r5:00001000 r4:eac7f000 [ 1324.565714][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.565774][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.565838][ T32] r5:854ea78c r4:854ea400 [ 1324.565868][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.565940][ T32] r7:dddced80 r6:83018000 r5:854ea78c r4:841a5b00 [ 1324.565972][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.566082][ T32] r10:61c88647 r9:83a38c00 r8:841a5b2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.566121][ T32] r4:841a5b00 [ 1324.566178][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.566274][ T32] r10:00000000 r9:841a5b00 r8:8027f5e8 r7:dfad5e60 r6:83327900 r5:83a38c00 [ 1324.566322][ T32] r4:00000001 [ 1324.566353][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.566412][ T32] Exception stack(0xdf9f9fb0 to 0xdf9f9ff8) [ 1324.566454][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.566523][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.566569][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.566636][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.566707][ T32] r4:84d4b800 [ 1324.567497][ T32] INFO: task kworker/0:18:3158 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.567546][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.567687][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.567802][ T32] Call trace: [ 1324.567859][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.567958][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.568051][ T32] r4:00000000 [ 1324.568111][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.568175][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.568240][ T32] dd20: bc786000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.568289][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.568329][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.568376][ T32] r5:80070013 r4:80239bb0 [ 1324.568417][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.568507][ T32] r4:82ac11a4 [ 1324.568542][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.568617][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.568650][ T32] r4:e883ddc0 [ 1324.568679][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.568748][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.568781][ T32] r4:00000000 [ 1324.568811][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.568902][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.568960][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.569062][ T32] r5:00001000 r4:e47a2000 [ 1324.569128][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.569194][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.569259][ T32] r5:84fe978c r4:84fe9400 [ 1324.569292][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.569364][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.569396][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.569482][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.569533][ T32] r4:8454d880 [ 1324.569576][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.569648][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.569682][ T32] r4:00000001 [ 1324.592666][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.592852][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.592891][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.592922][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.592975][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.593008][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.593052][ T32] r4:84e5a440 [ 1324.593076][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.593108][ T32] INFO: task kworker/0:19:3161 blocked for more than 451 seconds. [ 1324.593156][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.593184][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.593205][ T32] task:kworker/0:19 state:D stack:0 pid:3161 tgid:3161 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.593317][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.593396][ T32] Call trace: [ 1324.593453][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.593514][ T32] r10:8291880c r9:dfae1d84 r8:00000002 r7:60000113 r6:dfae1d8c r5:83a1ec00 [ 1324.593537][ T32] r4:83a1ec00 [ 1324.593555][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.593624][ T32] r5:83a1ec00 r4:82918808 [ 1324.593648][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.593685][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.593726][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfae1e08 [ 1324.593746][ T32] r4:00000000 [ 1324.593765][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.593825][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.593871][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.593944][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85674480 [ 1324.593969][ T32] r4:00000000 [ 1324.594016][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.594066][ T32] r9:83018005 r8:83a1ec00 r7:00000000 r6:83018000 r5:00001000 r4:7f00b000 [ 1324.594100][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.594144][ T32] r5:00001000 r4:dffc1000 [ 1324.594207][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.594251][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.594306][ T32] r5:85714b8c r4:85714800 [ 1324.594329][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.594375][ T32] r7:dddced80 r6:83018000 r5:85714b8c r4:83327680 [ 1324.594451][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.594528][ T32] r10:61c88647 r9:83a1ec00 r8:833276ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.594552][ T32] r4:83327680 [ 1324.594572][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.594647][ T32] r10:00000000 r9:83327680 r8:8027f5e8 r7:dfad5e60 r6:832bc180 r5:83a1ec00 [ 1324.594672][ T32] r4:00000001 [ 1324.594690][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.594725][ T32] Exception stack(0xdfae1fb0 to 0xdfae1ff8) [ 1324.594778][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1324.594811][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.594837][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.594864][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.594884][ T32] r4:84d4b9c0 [ 1324.595380][ T32] INFO: task kworker/0:19:3161 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.595440][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.595500][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.595542][ T32] Call trace: [ 1324.595571][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.595616][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.595697][ T32] r4:00000000 [ 1324.595721][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.595757][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.595784][ T32] dd20: bca37000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.595812][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.595836][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.595859][ T32] r5:80070013 r4:80239bb0 [ 1324.596047][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.596138][ T32] r4:82ac11a4 [ 1324.596161][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.596207][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.596228][ T32] r4:e883ddc0 [ 1324.596246][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.596287][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.596340][ T32] r4:00000000 [ 1324.596364][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.596407][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.596594][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.596682][ T32] r5:00001000 r4:e47a2000 [ 1324.596850][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.596894][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.596939][ T32] r5:84fe978c r4:84fe9400 [ 1324.596959][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.597003][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.597023][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.597095][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.597133][ T32] r4:8454d880 [ 1324.597187][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.597234][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.597256][ T32] r4:00000001 [ 1324.597281][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.597354][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.597384][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.597501][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.597558][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.597680][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.597705][ T32] r4:84e5a440 [ 1324.597726][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.597750][ T32] INFO: task kworker/0:20:3162 blocked for more than 451 seconds. [ 1324.597777][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.597838][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.597861][ T32] task:kworker/0:20 state:D stack:0 pid:3162 tgid:3162 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.597903][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.597943][ T32] Call trace: [ 1324.598014][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.598119][ T32] r10:8291880c r9:dfaf9d84 r8:00000002 r7:60000113 r6:dfaf9d8c r5:83a18c00 [ 1324.598145][ T32] r4:83a18c00 [ 1324.598202][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.598246][ T32] r5:83a18c00 r4:82918808 [ 1324.598298][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.598337][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.598379][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfaf9e08 [ 1324.598401][ T32] r4:00000000 [ 1324.598494][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.598536][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.598575][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.598617][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85836540 [ 1324.598638][ T32] r4:00000000 [ 1324.598834][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.598880][ T32] r9:83018005 r8:83a18c00 r7:00000000 r6:83018000 r5:00001000 r4:7f029000 [ 1324.598901][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.598967][ T32] r5:00001000 r4:e47f7000 [ 1324.599016][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.599057][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.599098][ T32] r5:85872f8c r4:85872c00 [ 1324.599117][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.599186][ T32] r7:dddced80 r6:83018000 r5:85872f8c r4:83842000 [ 1324.599210][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.599282][ T32] r10:61c88647 r9:83a18c00 r8:8384202c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.599310][ T32] r4:83842000 [ 1324.599329][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.599371][ T32] r10:00000000 r9:83842000 r8:8027f5e8 r7:dfad5e60 r6:83842900 r5:83a18c00 [ 1324.599393][ T32] r4:00000001 [ 1324.599412][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.599445][ T32] Exception stack(0xdfaf9fb0 to 0xdfaf9ff8) [ 1324.599539][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.599570][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.599596][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.599625][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.599678][ T32] r4:84d4b9c0 [ 1324.623663][ T32] INFO: task kworker/0:20:3162 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.623775][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.623877][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.623974][ T32] Call trace: [ 1324.624008][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.624065][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.624128][ T32] r4:00000000 [ 1324.624166][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.624215][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.624271][ T32] dd20: bcdba000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.624346][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.624375][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.624400][ T32] r5:80070013 r4:80239bb0 [ 1324.624420][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.624525][ T32] r4:82ac11a4 [ 1324.624549][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.624623][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.624710][ T32] r4:e883ddc0 [ 1324.624732][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.624893][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.624978][ T32] r4:00000000 [ 1324.625001][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.625245][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.625306][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.625356][ T32] r5:00001000 r4:e47a2000 [ 1324.625420][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.625464][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.625613][ T32] r5:84fe978c r4:84fe9400 [ 1324.625636][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.625684][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.625704][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.625793][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.625817][ T32] r4:8454d880 [ 1324.625839][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.626067][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.626093][ T32] r4:00000001 [ 1324.626113][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.626178][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.626226][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.626268][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.626312][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.626343][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.626393][ T32] r4:84e5a440 [ 1324.626448][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.626480][ T32] INFO: task kworker/0:21:3164 blocked for more than 451 seconds. [ 1324.626514][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.626537][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.626556][ T32] task:kworker/0:21 state:D stack:0 pid:3164 tgid:3164 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.626599][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.626674][ T32] Call trace: [ 1324.626705][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.626751][ T32] r10:8291880c r9:dfaedd84 r8:00000002 r7:60000113 r6:dfaedd8c r5:83a1c800 [ 1324.626772][ T32] r4:83a1c800 [ 1324.626791][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.626828][ T32] r5:83a1c800 r4:82918808 [ 1324.626847][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.626882][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.626922][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfaede08 [ 1324.626943][ T32] r4:00000000 [ 1324.626961][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.627008][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.627047][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.627118][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858350c0 [ 1324.627143][ T32] r4:00000000 [ 1324.627163][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.627236][ T32] r9:83018005 r8:83a1c800 r7:00000000 r6:83018000 r5:00001000 r4:7f00b000 [ 1324.627259][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.627304][ T32] r5:00001000 r4:dfaef000 [ 1324.627342][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.627382][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.627479][ T32] r5:85717b8c r4:85717800 [ 1324.627500][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.627543][ T32] r7:dddced80 r6:83018000 r5:85717b8c r4:83842c00 [ 1324.627563][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.627605][ T32] r10:61c88647 r9:83a1c800 r8:83842c2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.627653][ T32] r4:83842c00 [ 1324.627731][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.627777][ T32] r10:00000000 r9:83842c00 r8:8027f5e8 r7:dfaf9e60 r6:83842880 r5:83a1c800 [ 1324.627800][ T32] r4:00000001 [ 1324.627824][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.627861][ T32] Exception stack(0xdfaedfb0 to 0xdfaedff8) [ 1324.627886][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.627912][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.627984][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.628016][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.628038][ T32] r4:84d4b9c0 [ 1324.628373][ T32] INFO: task kworker/0:21:3164 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.628425][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.628561][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.628602][ T32] Call trace: [ 1324.628708][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.628756][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.628778][ T32] r4:00000000 [ 1324.628797][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.628975][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.629023][ T32] dd20: bcdba000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.629056][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.629080][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.629103][ T32] r5:80070013 r4:80239bb0 [ 1324.629137][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.629184][ T32] r4:82ac11a4 [ 1324.629203][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.629275][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.629307][ T32] r4:e883ddc0 [ 1324.629327][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.629397][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.629422][ T32] r4:00000000 [ 1324.629441][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.629484][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.629505][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.629545][ T32] r5:00001000 r4:e47a2000 [ 1324.629563][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.629600][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.629638][ T32] r5:84fe978c r4:84fe9400 [ 1324.629657][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.629700][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.629753][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.629892][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.637331][ T32] r4:8454d880 [ 1324.637372][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.637440][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.637462][ T32] r4:00000001 [ 1324.637480][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.637516][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.637545][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.637655][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.637713][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.637773][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.637798][ T32] r4:84e5a440 [ 1324.637822][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.637870][ T32] INFO: task kworker/0:22:3166 blocked for more than 451 seconds. [ 1324.637907][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.637931][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.637952][ T32] task:kworker/0:22 state:D stack:0 pid:3166 tgid:3166 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.638036][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.638083][ T32] Call trace: [ 1324.638131][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.638262][ T32] r10:8291880c r9:dfb05d84 r8:00000002 r7:60000113 r6:dfb05d8c r5:83a19800 [ 1324.638329][ T32] r4:83a19800 [ 1324.638361][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.638433][ T32] r5:83a19800 r4:82918808 [ 1324.638457][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.638493][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.638534][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb05e08 [ 1324.638555][ T32] r4:00000000 [ 1324.638574][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.638607][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.638701][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.638748][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85856100 [ 1324.638778][ T32] r4:00000000 [ 1324.638798][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.638842][ T32] r9:83018005 r8:83a19800 r7:00000000 r6:83018000 r5:00001000 r4:7f0e3000 [ 1324.638862][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.638932][ T32] r5:00001000 r4:eca17000 [ 1324.638983][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.639031][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.639073][ T32] r5:85873b8c r4:85873800 [ 1324.639106][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.639153][ T32] r7:dddced80 r6:83018000 r5:85873b8c r4:83842b80 [ 1324.639202][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.639249][ T32] r10:61c88647 r9:83a19800 r8:83842bac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.639272][ T32] r4:83842b80 [ 1324.639290][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.639338][ T32] r10:00000000 r9:83842b80 r8:8027f5e8 r7:dfaf9e60 r6:8431f180 r5:83a19800 [ 1324.639385][ T32] r4:00000001 [ 1324.639408][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.639445][ T32] Exception stack(0xdfb05fb0 to 0xdfb05ff8) [ 1324.639470][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.639497][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.639550][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.639581][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.639603][ T32] r4:84d4be40 [ 1324.652621][ T32] INFO: task kworker/0:22:3166 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.652738][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.652908][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.652976][ T32] Call trace: [ 1324.653009][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.653065][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.653140][ T32] r4:00000000 [ 1324.653178][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.653222][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.653251][ T32] dd20: bd083000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.653279][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.653312][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.653392][ T32] r5:80070013 r4:80239bb0 [ 1324.653416][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.653467][ T32] r4:82ac11a4 [ 1324.653487][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.653532][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.653574][ T32] r4:e883ddc0 [ 1324.653624][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.653697][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.653722][ T32] r4:00000000 [ 1324.653742][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.653812][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.653837][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.653907][ T32] r5:00001000 r4:e47a2000 [ 1324.653930][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.653997][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.654043][ T32] r5:84fe978c r4:84fe9400 [ 1324.654092][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.654142][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.654163][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.654230][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.654254][ T32] r4:8454d880 [ 1324.654274][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.654324][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.654347][ T32] r4:00000001 [ 1324.654366][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.654401][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.654426][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.654492][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.654550][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.654600][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.654624][ T32] r4:84e5a440 [ 1324.654646][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.654684][ T32] INFO: task kworker/0:23:3167 blocked for more than 451 seconds. [ 1324.654719][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.654770][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.654796][ T32] task:kworker/0:23 state:D stack:0 pid:3167 tgid:3167 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.654883][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.654928][ T32] Call trace: [ 1324.654957][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.655002][ T32] r10:8291880c r9:dfb11d84 r8:00000002 r7:60000113 r6:dfb11d8c r5:83a1bc00 [ 1324.655023][ T32] r4:83a1bc00 [ 1324.655041][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.655079][ T32] r5:83a1bc00 r4:82918808 [ 1324.655097][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.655150][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.655196][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb11e08 [ 1324.655245][ T32] r4:00000000 [ 1324.655300][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.655340][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.655379][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.655475][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859f79c0 [ 1324.655528][ T32] r4:00000000 [ 1324.655551][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.655596][ T32] r9:83018005 r8:83a1bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f077000 [ 1324.655617][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.655656][ T32] r5:00001000 r4:ec733000 [ 1324.655676][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.655713][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.655753][ T32] r5:858a578c r4:858a5400 [ 1324.655772][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.655842][ T32] r7:dddced80 r6:83018000 r5:858a578c r4:8431f100 [ 1324.655865][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.655912][ T32] r10:61c88647 r9:83a1bc00 r8:8431f12c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.655934][ T32] r4:8431f100 [ 1324.655953][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.656071][ T32] r10:00000000 r9:8431f100 r8:8027f5e8 r7:dfb05e60 r6:83861300 r5:83a1bc00 [ 1324.656171][ T32] r4:00000001 [ 1324.656194][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.656231][ T32] Exception stack(0xdfb11fb0 to 0xdfb11ff8) [ 1324.656301][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1324.656336][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.656362][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.656406][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.656459][ T32] r4:84d5b000 [ 1324.656825][ T32] INFO: task kworker/0:23:3167 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.656857][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.656913][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.657073][ T32] Call trace: [ 1324.657108][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.657157][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.657180][ T32] r4:00000000 [ 1324.657200][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.657237][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.657264][ T32] dd20: bd083000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.657292][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.657326][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.657516][ T32] r5:80070013 r4:80239bb0 [ 1324.657702][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.657750][ T32] r4:82ac11a4 [ 1324.657803][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.657852][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.657875][ T32] r4:e883ddc0 [ 1324.657895][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.657971][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.658059][ T32] r4:00000000 [ 1324.658084][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.658129][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.658208][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.658255][ T32] r5:00001000 r4:e47a2000 [ 1324.658276][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.658321][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.658361][ T32] r5:84fe978c r4:84fe9400 [ 1324.658381][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.658426][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.658446][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.658490][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.658512][ T32] r4:8454d880 [ 1324.658531][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.658573][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.658595][ T32] r4:00000001 [ 1324.658703][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.658743][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.658959][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.658992][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.659019][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.659047][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.659070][ T32] r4:84e5a440 [ 1324.659089][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.659112][ T32] INFO: task kworker/0:24:3169 blocked for more than 451 seconds. [ 1324.659139][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.659162][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.659298][ T32] task:kworker/0:24 state:D stack:0 pid:3169 tgid:3169 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.659347][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.659648][ T32] Call trace: [ 1324.659683][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.659792][ T32] r10:8291880c r9:dfb29d84 r8:00000002 r7:60000113 r6:dfb29d8c r5:838b8c00 [ 1324.689045][ T32] r4:838b8c00 [ 1324.689089][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.689156][ T32] r5:838b8c00 r4:82918808 [ 1324.689177][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.689216][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.689258][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb29e08 [ 1324.689303][ T32] r4:00000000 [ 1324.689402][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.689588][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.689675][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.689722][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85941d40 [ 1324.689760][ T32] r4:00000000 [ 1324.690348][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.690422][ T32] r9:83018005 r8:838b8c00 r7:00000000 r6:83018000 r5:00001000 r4:7f02b000 [ 1324.690462][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.690512][ T32] r5:00001000 r4:eaec1000 [ 1324.690533][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.690571][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.690613][ T32] r5:84c3a38c r4:84c3a000 [ 1324.690633][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.690678][ T32] r7:dddced80 r6:83018000 r5:84c3a38c r4:83861500 [ 1324.690698][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.690785][ T32] r10:61c88647 r9:838b8c00 r8:8386152c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.690884][ T32] r4:83861500 [ 1324.690910][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.690956][ T32] r10:00000000 r9:83861500 r8:8027f5e8 r7:dfb11e60 r6:83861400 r5:838b8c00 [ 1324.691056][ T32] r4:00000001 [ 1324.691081][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.691119][ T32] Exception stack(0xdfb29fb0 to 0xdfb29ff8) [ 1324.691150][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.691363][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.691469][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.691502][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.691525][ T32] r4:84d5b180 [ 1324.692008][ T32] INFO: task kworker/0:24:3169 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.692075][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.692172][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.692251][ T32] Call trace: [ 1324.692315][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.692450][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.692479][ T32] r4:00000000 [ 1324.692500][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.692551][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.692637][ T32] dd20: bd4a5000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.692695][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.692724][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.692748][ T32] r5:80070013 r4:80239bb0 [ 1324.692769][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.692854][ T32] r4:82ac11a4 [ 1324.692878][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.692926][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.692949][ T32] r4:e883ddc0 [ 1324.692968][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.693011][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.693032][ T32] r4:00000000 [ 1324.693077][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.693127][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.693149][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.693191][ T32] r5:00001000 r4:e47a2000 [ 1324.693212][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.693280][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.693336][ T32] r5:84fe978c r4:84fe9400 [ 1324.693377][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.693428][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.693480][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.693530][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.693553][ T32] r4:8454d880 [ 1324.693573][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.693615][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.693664][ T32] r4:00000001 [ 1324.693687][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.693724][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.693762][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.693795][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.693821][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.693848][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.693869][ T32] r4:84e5a440 [ 1324.693891][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.693919][ T32] INFO: task kworker/0:25:3172 blocked for more than 451 seconds. [ 1324.693953][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.693979][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.694001][ T32] task:kworker/0:25 state:D stack:0 pid:3172 tgid:3172 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.694044][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.694086][ T32] Call trace: [ 1324.694118][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.694164][ T32] r10:8291880c r9:dfb4dd84 r8:00000002 r7:60000113 r6:dfb4dd8c r5:844ba400 [ 1324.694203][ T32] r4:844ba400 [ 1324.694255][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.694305][ T32] r5:844ba400 r4:82918808 [ 1324.694327][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.694391][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.694437][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb4de08 [ 1324.694459][ T32] r4:00000000 [ 1324.694504][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.694542][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.694606][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.694705][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84716700 [ 1324.694730][ T32] r4:00000000 [ 1324.694750][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.694792][ T32] r9:83018005 r8:844ba400 r7:00000000 r6:83018000 r5:00001000 r4:7f0f7000 [ 1324.694811][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.694850][ T32] r5:00001000 r4:ec553000 [ 1324.694897][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.694938][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.694979][ T32] r5:858a5b8c r4:858a5800 [ 1324.695026][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.695071][ T32] r7:dddced80 r6:83018000 r5:858a5b8c r4:83861480 [ 1324.695093][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.695137][ T32] r10:61c88647 r9:844ba400 r8:838614ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.695157][ T32] r4:83861480 [ 1324.695175][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.695258][ T32] r10:00000000 r9:83861480 r8:8027f5e8 r7:dfb11e60 r6:8461df00 r5:844ba400 [ 1324.695283][ T32] r4:00000001 [ 1324.695306][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.695342][ T32] Exception stack(0xdfb4dfb0 to 0xdfb4dff8) [ 1324.695372][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.695429][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.695484][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.695597][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.695649][ T32] r4:84d5b380 [ 1324.696092][ T32] INFO: task kworker/0:25:3172 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.696126][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.696237][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.696317][ T32] Call trace: [ 1324.696377][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.696424][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.696503][ T32] r4:00000000 [ 1324.696537][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.696577][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.696604][ T32] dd20: bd4a5000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.696632][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.696709][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.696762][ T32] r5:80070013 r4:80239bb0 [ 1324.696786][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.696857][ T32] r4:82ac11a4 [ 1324.696907][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.696955][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.696977][ T32] r4:e883ddc0 [ 1324.696995][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.697036][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.697056][ T32] r4:00000000 [ 1324.697128][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.697175][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.697196][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.697236][ T32] r5:00001000 r4:e47a2000 [ 1324.697255][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.697308][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.697352][ T32] r5:84fe978c r4:84fe9400 [ 1324.697400][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.697448][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.697468][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.697511][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.697531][ T32] r4:8454d880 [ 1324.697550][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.697591][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.697640][ T32] r4:00000001 [ 1324.697663][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.697698][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.697744][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.697802][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.697831][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.697859][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.697879][ T32] r4:84e5a440 [ 1324.697926][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.697981][ T32] INFO: task kworker/0:26:3174 blocked for more than 451 seconds. [ 1324.698073][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.698107][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.698128][ T32] task:kworker/0:26 state:D stack:0 pid:3174 tgid:3174 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.698169][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.698288][ T32] Call trace: [ 1324.698325][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.698384][ T32] r10:8291880c r9:dfb5dd84 r8:00000002 r7:60000113 r6:dfb5dd8c r5:844be000 [ 1324.698410][ T32] r4:844be000 [ 1324.698428][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.698467][ T32] r5:844be000 r4:82918808 [ 1324.698572][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.698611][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.698652][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb5de08 [ 1324.698672][ T32] r4:00000000 [ 1324.698718][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.698795][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.698834][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.698875][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a46700 [ 1324.698895][ T32] r4:00000000 [ 1324.698914][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.698956][ T32] r9:83018005 r8:844be000 r7:00000000 r6:83018000 r5:00001000 r4:7f0f5000 [ 1324.698988][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.699031][ T32] r5:00001000 r4:ec513000 [ 1324.699051][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.699088][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.699127][ T32] r5:85a3078c r4:85a30400 [ 1324.699146][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.699187][ T32] r7:dddced80 r6:83018000 r5:85a3078c r4:8333c080 [ 1324.699235][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.699284][ T32] r10:61c88647 r9:844be000 r8:8333c0ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.699365][ T32] r4:8333c080 [ 1324.699387][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.699429][ T32] r10:00000000 r9:8333c080 r8:8027f5e8 r7:dfb11e60 r6:8461df80 r5:844be000 [ 1324.699450][ T32] r4:00000001 [ 1324.699480][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.699519][ T32] Exception stack(0xdfb5dfb0 to 0xdfb5dff8) [ 1324.699544][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.699571][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.699597][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.699651][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.699683][ T32] r4:84d5b400 [ 1324.722012][ T32] INFO: task kworker/0:26:3174 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.722127][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.722254][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.722346][ T32] Call trace: [ 1324.722396][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.722453][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.722503][ T32] r4:00000000 [ 1324.722528][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.722567][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.722623][ T32] dd20: bd755000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.722687][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.722744][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.722771][ T32] r5:80070013 r4:80239bb0 [ 1324.722808][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.722911][ T32] r4:82ac11a4 [ 1324.722935][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.722982][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.723017][ T32] r4:e883ddc0 [ 1324.723041][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.723085][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.723107][ T32] r4:00000000 [ 1324.723126][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.723253][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.723278][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.723356][ T32] r5:00001000 r4:e47a2000 [ 1324.723388][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.723429][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.723476][ T32] r5:84fe978c r4:84fe9400 [ 1324.723580][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.723642][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.723664][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.723709][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.723749][ T32] r4:8454d880 [ 1324.723771][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.723816][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.723837][ T32] r4:00000001 [ 1324.723883][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.723922][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.723947][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.723979][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.724034][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.724065][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.724087][ T32] r4:84e5a440 [ 1324.724109][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.724152][ T32] INFO: task kworker/0:27:3175 blocked for more than 451 seconds. [ 1324.724189][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.724214][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.724234][ T32] task:kworker/0:27 state:D stack:0 pid:3175 tgid:3175 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.724314][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.724388][ T32] Call trace: [ 1324.724456][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.724503][ T32] r10:8291880c r9:dfb1dd84 r8:00000002 r7:60000113 r6:dfb1dd8c r5:838b9800 [ 1324.724526][ T32] r4:838b9800 [ 1324.724545][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.724583][ T32] r5:838b9800 r4:82918808 [ 1324.724620][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.724659][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.724726][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb1de08 [ 1324.724751][ T32] r4:00000000 [ 1324.724770][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.724804][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.724838][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.724879][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84716640 [ 1324.724901][ T32] r4:00000000 [ 1324.724920][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.725131][ T32] r9:83018005 r8:838b9800 r7:00000000 r6:83018000 r5:00001000 r4:7f097000 [ 1324.725230][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.725317][ T32] r5:00001000 r4:ec9ed000 [ 1324.725411][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.725452][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.725491][ T32] r5:85a2b78c r4:85a2b400 [ 1324.725510][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.725551][ T32] r7:dddced80 r6:83018000 r5:85a2b78c r4:8333c100 [ 1324.725571][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.725613][ T32] r10:61c88647 r9:838b9800 r8:8333c12c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.725664][ T32] r4:8333c100 [ 1324.725686][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.725729][ T32] r10:00000000 r9:8333c100 r8:8027f5e8 r7:dfb5de60 r6:8333c000 r5:838b9800 [ 1324.725750][ T32] r4:00000001 [ 1324.725768][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.725802][ T32] Exception stack(0xdfb1dfb0 to 0xdfb1dff8) [ 1324.725826][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.725852][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.725878][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.725905][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.726064][ T32] r4:84d5b400 [ 1324.726404][ T32] INFO: task kworker/0:27:3175 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.726437][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.726493][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.726567][ T32] Call trace: [ 1324.726659][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.726735][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.726760][ T32] r4:00000000 [ 1324.726824][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.726864][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.727016][ T32] dd20: bd755000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.727108][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.727135][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.727159][ T32] r5:80070013 r4:80239bb0 [ 1324.727388][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.727436][ T32] r4:82ac11a4 [ 1324.727456][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.727558][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.727655][ T32] r4:e883ddc0 [ 1324.727749][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.727837][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.727862][ T32] r4:00000000 [ 1324.727924][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.728064][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.728091][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.728139][ T32] r5:00001000 r4:e47a2000 [ 1324.728189][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.728230][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.728270][ T32] r5:84fe978c r4:84fe9400 [ 1324.728320][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.728370][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.728390][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.728460][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.728553][ T32] r4:8454d880 [ 1324.728575][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.728634][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.728656][ T32] r4:00000001 [ 1324.728676][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.728862][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.728892][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.728940][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.728969][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.729023][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.729047][ T32] r4:84e5a440 [ 1324.729068][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.729092][ T32] INFO: task kworker/0:28:3178 blocked for more than 451 seconds. [ 1324.729119][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.729213][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.729245][ T32] task:kworker/0:28 state:D stack:0 pid:3178 tgid:3178 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.729291][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.729338][ T32] Call trace: [ 1324.729613][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.729742][ T32] r10:8291880c r9:dfb51d84 r8:00000002 r7:60000113 r6:dfb51d8c r5:838ba400 [ 1324.760326][ T32] r4:838ba400 [ 1324.760369][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.760434][ T32] r5:838ba400 r4:82918808 [ 1324.760454][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.760491][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.760532][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb51e08 [ 1324.760553][ T32] r4:00000000 [ 1324.760572][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.760606][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.760646][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.760706][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850f9e80 [ 1324.760789][ T32] r4:00000000 [ 1324.760903][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.761013][ T32] r9:83018005 r8:838ba400 r7:00000000 r6:83018000 r5:00001000 r4:7f1e1000 [ 1324.761038][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.761102][ T32] r5:00001000 r4:ec7c5000 [ 1324.761219][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.761263][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.761339][ T32] r5:85a7e78c r4:85a7e400 [ 1324.761363][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.761411][ T32] r7:dddced80 r6:83018000 r5:85a7e78c r4:8383ab80 [ 1324.761537][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.761735][ T32] r10:61c88647 r9:838ba400 r8:8383abac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.761759][ T32] r4:8383ab80 [ 1324.761837][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.761884][ T32] r10:00000000 r9:8383ab80 r8:8027f5e8 r7:dfb5de60 r6:830cc100 r5:838ba400 [ 1324.761906][ T32] r4:00000001 [ 1324.762010][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.762301][ T32] Exception stack(0xdfb51fb0 to 0xdfb51ff8) [ 1324.762492][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1324.762668][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.762699][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.762844][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.762870][ T32] r4:84d5b740 [ 1324.763635][ T32] INFO: task kworker/0:28:3178 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.763689][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.763898][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.763949][ T32] Call trace: [ 1324.763980][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.764028][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.764291][ T32] r4:00000000 [ 1324.764408][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.764464][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.764494][ T32] dd20: bda4e000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.764523][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.764546][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.764569][ T32] r5:80070013 r4:80239bb0 [ 1324.764588][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.764632][ T32] r4:82ac11a4 [ 1324.764668][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.764717][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.764829][ T32] r4:e883ddc0 [ 1324.764850][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.764917][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.764942][ T32] r4:00000000 [ 1324.765003][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.765051][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.765073][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.765113][ T32] r5:00001000 r4:e47a2000 [ 1324.765176][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.765218][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.765259][ T32] r5:84fe978c r4:84fe9400 [ 1324.765350][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.765400][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.765434][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.765486][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.765537][ T32] r4:8454d880 [ 1324.765559][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.765631][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.765656][ T32] r4:00000001 [ 1324.765674][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.765799][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.765828][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.765855][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.765880][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.765907][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.765928][ T32] r4:84e5a440 [ 1324.765976][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.766019][ T32] INFO: task kworker/0:29:3179 blocked for more than 451 seconds. [ 1324.766210][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.766243][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.766297][ T32] task:kworker/0:29 state:D stack:0 pid:3179 tgid:3179 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.766356][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.766566][ T32] Call trace: [ 1324.766674][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.766722][ T32] r10:8291880c r9:dfb35d84 r8:00000002 r7:60000113 r6:dfb35d8c r5:838bd400 [ 1324.766745][ T32] r4:838bd400 [ 1324.766765][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.766818][ T32] r5:838bd400 r4:82918808 [ 1324.766842][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.766877][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.767083][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb35e08 [ 1324.767108][ T32] r4:00000000 [ 1324.767158][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.767256][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.767302][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.767548][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859f7200 [ 1324.767574][ T32] r4:00000000 [ 1324.767599][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.767644][ T32] r9:83018005 r8:838bd400 r7:00000000 r6:83018000 r5:00001000 r4:7f11b000 [ 1324.767814][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.767859][ T32] r5:00001000 r4:eb181000 [ 1324.767907][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.767947][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.768008][ T32] r5:858a678c r4:858a6400 [ 1324.768029][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.768070][ T32] r7:dddced80 r6:83018000 r5:858a678c r4:830cc080 [ 1324.768090][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.768209][ T32] r10:61c88647 r9:838bd400 r8:830cc0ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.768233][ T32] r4:830cc080 [ 1324.768300][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.768388][ T32] r10:00000000 r9:830cc080 r8:8027f5e8 r7:dfb51e60 r6:84eca000 r5:838bd400 [ 1324.768563][ T32] r4:00000001 [ 1324.768585][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.768621][ T32] Exception stack(0xdfb35fb0 to 0xdfb35ff8) [ 1324.768646][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.768673][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.769053][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.769103][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.769128][ T32] r4:84d5b740 [ 1324.769487][ T32] INFO: task kworker/0:29:3179 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.769519][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.794841][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.794945][ T32] Call trace: [ 1324.795011][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.795073][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.795112][ T32] r4:00000000 [ 1324.795138][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.795208][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.795269][ T32] dd20: bdc1c000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.795305][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.795331][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.795354][ T32] r5:80070013 r4:80239bb0 [ 1324.795373][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.795419][ T32] r4:82ac11a4 [ 1324.795439][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.795484][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.795506][ T32] r4:e883ddc0 [ 1324.795525][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.795595][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.795702][ T32] r4:00000000 [ 1324.795834][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.795884][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.795906][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.796029][ T32] r5:00001000 r4:e47a2000 [ 1324.796053][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.796091][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.796162][ T32] r5:84fe978c r4:84fe9400 [ 1324.796210][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.796261][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.796287][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.796367][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.796450][ T32] r4:8454d880 [ 1324.796502][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.796550][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.796571][ T32] r4:00000001 [ 1324.796602][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.796722][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.796778][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.796824][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.796852][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.796879][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.796930][ T32] r4:84e5a440 [ 1324.796956][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.796984][ T32] INFO: task kworker/0:30:3182 blocked for more than 451 seconds. [ 1324.797042][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.797069][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.797090][ T32] task:kworker/0:30 state:D stack:0 pid:3182 tgid:3182 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.797139][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.797179][ T32] Call trace: [ 1324.797208][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.797287][ T32] r10:8291880c r9:dfb6dd84 r8:00000002 r7:60000113 r6:dfb6dd8c r5:838be000 [ 1324.797319][ T32] r4:838be000 [ 1324.797339][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.797378][ T32] r5:838be000 r4:82918808 [ 1324.797396][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.797432][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.797472][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb6de08 [ 1324.797494][ T32] r4:00000000 [ 1324.797512][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.797616][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.797657][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.797700][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a59400 [ 1324.797747][ T32] r4:00000000 [ 1324.797798][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.797883][ T32] r9:83018005 r8:838be000 r7:00000000 r6:83018000 r5:00001000 r4:7f173000 [ 1324.797906][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.797978][ T32] r5:00001000 r4:ecd65000 [ 1324.798000][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.798039][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.798078][ T32] r5:85a3f38c r4:85a3f000 [ 1324.798097][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.798139][ T32] r7:dddced80 r6:83018000 r5:85a3f38c r4:84eca080 [ 1324.798160][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.798219][ T32] r10:61c88647 r9:838be000 r8:84eca0ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.798272][ T32] r4:84eca080 [ 1324.798299][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.798343][ T32] r10:00000000 r9:84eca080 r8:8027f5e8 r7:dfb51e60 r6:84eca100 r5:838be000 [ 1324.798393][ T32] r4:00000001 [ 1324.798442][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.798482][ T32] Exception stack(0xdfb6dfb0 to 0xdfb6dff8) [ 1324.798507][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.798533][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.798558][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.798584][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.798606][ T32] r4:84d5ba80 [ 1324.799113][ T32] INFO: task kworker/0:30:3182 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.799146][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.799235][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.799300][ T32] Call trace: [ 1324.799362][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.799411][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.799432][ T32] r4:00000000 [ 1324.799559][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.799599][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.799626][ T32] dd20: bdc1c000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.799654][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.799822][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.819539][ T32] r5:80070013 r4:80239bb0 [ 1324.819859][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.820748][ T32] r4:82ac11a4 [ 1324.820778][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.820840][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.820862][ T32] r4:e883ddc0 [ 1324.820880][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.820925][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.820946][ T32] r4:00000000 [ 1324.820965][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.821030][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.821056][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.821101][ T32] r5:00001000 r4:e47a2000 [ 1324.821120][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.821354][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.821406][ T32] r5:84fe978c r4:84fe9400 [ 1324.821426][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.821470][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.821490][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.821534][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.821556][ T32] r4:8454d880 [ 1324.821576][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.821620][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.821682][ T32] r4:00000001 [ 1324.821705][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.821742][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.821890][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.821921][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.822003][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.822120][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.822214][ T32] r4:84e5a440 [ 1324.822359][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.822393][ T32] INFO: task kworker/0:31:3183 blocked for more than 451 seconds. [ 1324.822427][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.822451][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.822783][ T32] task:kworker/0:31 state:D stack:0 pid:3183 tgid:3183 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.823008][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.823118][ T32] Call trace: [ 1324.823151][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.823203][ T32] r10:8291880c r9:dfb79d84 r8:00000002 r7:60000113 r6:dfb79d8c r5:838bb000 [ 1324.823224][ T32] r4:838bb000 [ 1324.823242][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.823301][ T32] r5:838bb000 r4:82918808 [ 1324.823325][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.823361][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.823660][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb79e08 [ 1324.823685][ T32] r4:00000000 [ 1324.823704][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.823864][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.823985][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.824035][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85230180 [ 1324.824186][ T32] r4:00000000 [ 1324.824324][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.824375][ T32] r9:83018005 r8:838bb000 r7:00000000 r6:83018000 r5:00001000 r4:7f27b000 [ 1324.824397][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.824437][ T32] r5:00001000 r4:dfba7000 [ 1324.824456][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.824494][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.824534][ T32] r5:84cbd38c r4:84cbd000 [ 1324.824553][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.824594][ T32] r7:dddced80 r6:83018000 r5:84cbd38c r4:84eca200 [ 1324.824614][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.824657][ T32] r10:61c88647 r9:838bb000 r8:84eca22c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.824678][ T32] r4:84eca200 [ 1324.824870][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.824917][ T32] r10:00000000 r9:84eca200 r8:8027f5e8 r7:dfb51e60 r6:84eca280 r5:838bb000 [ 1324.824939][ T32] r4:00000001 [ 1324.824957][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.825097][ T32] Exception stack(0xdfb79fb0 to 0xdfb79ff8) [ 1324.825126][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.825322][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.825443][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.825476][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.825498][ T32] r4:84d5bc80 [ 1324.826026][ T32] INFO: task kworker/0:31:3183 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.826060][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.826213][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.826257][ T32] Call trace: [ 1324.826326][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.826377][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.826441][ T32] r4:00000000 [ 1324.826463][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.826500][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.826527][ T32] dd20: bdeb2000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.826668][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.826696][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.826719][ T32] r5:80070013 r4:80239bb0 [ 1324.826810][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.826895][ T32] r4:82ac11a4 [ 1324.826917][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.826964][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.827006][ T32] r4:e883ddc0 [ 1324.827042][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.827088][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.827110][ T32] r4:00000000 [ 1324.827129][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.827171][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.827191][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.827332][ T32] r5:00001000 r4:e47a2000 [ 1324.827356][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.827458][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.827502][ T32] r5:84fe978c r4:84fe9400 [ 1324.827522][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.827682][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.827705][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.827765][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.827789][ T32] r4:8454d880 [ 1324.828119][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.828167][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.828189][ T32] r4:00000001 [ 1324.828207][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.828542][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.828571][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.828599][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.828624][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.828768][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.828991][ T32] r4:84e5a440 [ 1324.829014][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.829039][ T32] INFO: task kworker/0:32:3186 blocked for more than 451 seconds. [ 1324.829065][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.829183][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.829304][ T32] task:kworker/0:32 state:D stack:0 pid:3186 tgid:3186 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.829351][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.829550][ T32] Call trace: [ 1324.830213][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.860557][ T32] r10:8291880c r9:dfb99d84 r8:00000002 r7:60000113 r6:dfb99d8c r5:838bec00 [ 1324.860661][ T32] r4:838bec00 [ 1324.860720][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.860846][ T32] r5:838bec00 r4:82918808 [ 1324.860896][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.860976][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.861066][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb99e08 [ 1324.861117][ T32] r4:00000000 [ 1324.861172][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.861247][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.861375][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.861572][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b5c540 [ 1324.861628][ T32] r4:00000000 [ 1324.861676][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.861772][ T32] r9:83018005 r8:838bec00 r7:00000000 r6:83018000 r5:00001000 r4:7f50d000 [ 1324.861820][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.862050][ T32] r5:00001000 r4:ed22f000 [ 1324.862234][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.862363][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.862633][ T32] r5:84cbdb8c r4:84cbd800 [ 1324.862852][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.863042][ T32] r7:dddced80 r6:83018000 r5:84cbdb8c r4:84eca300 [ 1324.863328][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.863775][ T32] r10:61c88647 r9:838bec00 r8:84eca32c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.863831][ T32] r4:84eca300 [ 1324.863877][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.864142][ T32] r10:00000000 r9:84eca300 r8:8027f5e8 r7:dfb79e60 r6:84eca380 r5:838bec00 [ 1324.864198][ T32] r4:00000001 [ 1324.864242][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.864328][ T32] Exception stack(0xdfb99fb0 to 0xdfb99ff8) [ 1324.864389][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.864449][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.864504][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.864563][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.864612][ T32] r4:84d5be40 [ 1324.865497][ T32] INFO: task kworker/0:32:3186 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.865566][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.865709][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.865802][ T32] Call trace: [ 1324.865870][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.865966][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.866175][ T32] r4:00000000 [ 1324.866251][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.866367][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.866474][ T32] dd20: be37c000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.866538][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.866592][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.866826][ T32] r5:80070013 r4:80239bb0 [ 1324.866879][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.866972][ T32] r4:82ac11a4 [ 1324.867016][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.867111][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.867305][ T32] r4:e883ddc0 [ 1324.867417][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.867518][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.867893][ T32] r4:00000000 [ 1324.867945][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.868211][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.868606][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.868699][ T32] r5:00001000 r4:e47a2000 [ 1324.868802][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.868891][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.868980][ T32] r5:84fe978c r4:84fe9400 [ 1324.869022][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.869116][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.869163][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.869256][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.869394][ T32] r4:8454d880 [ 1324.869444][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.869538][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.869757][ T32] r4:00000001 [ 1324.890467][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.890567][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.890605][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.890634][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.890660][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.890689][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.890712][ T32] r4:84e5a440 [ 1324.890736][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.890778][ T32] INFO: task kworker/0:33:3188 blocked for more than 451 seconds. [ 1324.890812][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.890837][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.890859][ T32] task:kworker/0:33 state:D stack:0 pid:3188 tgid:3188 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.890917][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.891011][ T32] Call trace: [ 1324.891048][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.891101][ T32] r10:8291880c r9:dfba5d84 r8:00000002 r7:60000113 r6:dfba5d8c r5:83a8bc00 [ 1324.891122][ T32] r4:83a8bc00 [ 1324.891168][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.891213][ T32] r5:83a8bc00 r4:82918808 [ 1324.891234][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.891282][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.891334][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfba5e08 [ 1324.891458][ T32] r4:00000000 [ 1324.891510][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.891577][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.891622][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.891665][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85230b40 [ 1324.891687][ T32] r4:00000000 [ 1324.891706][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.891778][ T32] r9:83018005 r8:83a8bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f275000 [ 1324.891869][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.891915][ T32] r5:00001000 r4:eb133000 [ 1324.891950][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.891991][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.892031][ T32] r5:858a7b8c r4:858a7800 [ 1324.892079][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.892219][ T32] r7:dddced80 r6:83018000 r5:858a7b8c r4:84eca400 [ 1324.892297][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.892350][ T32] r10:61c88647 r9:83a8bc00 r8:84eca42c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.892372][ T32] r4:84eca400 [ 1324.892392][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.892435][ T32] r10:00000000 r9:84eca400 r8:8027f5e8 r7:dfb99e60 r6:84eca480 r5:83a8bc00 [ 1324.892494][ T32] r4:00000001 [ 1324.892545][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.892584][ T32] Exception stack(0xdfba5fb0 to 0xdfba5ff8) [ 1324.892610][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.892638][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.892664][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.892704][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.892729][ T32] r4:84769680 [ 1324.893217][ T32] INFO: task kworker/0:33:3188 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.893248][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.893311][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.893382][ T32] Call trace: [ 1324.893506][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.893558][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.893595][ T32] r4:00000000 [ 1324.893619][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.893657][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.893740][ T32] dd20: be57c000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.893773][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.893798][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.893847][ T32] r5:80070013 r4:80239bb0 [ 1324.893871][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.893915][ T32] r4:82ac11a4 [ 1324.893946][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.893998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.894019][ T32] r4:e883ddc0 [ 1324.894038][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.894081][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.894103][ T32] r4:00000000 [ 1324.894122][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.894165][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.894226][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.894308][ T32] r5:00001000 r4:e47a2000 [ 1324.894331][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.894430][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.894476][ T32] r5:84fe978c r4:84fe9400 [ 1324.894496][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.894541][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.894561][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.894605][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.894628][ T32] r4:8454d880 [ 1324.894692][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.894739][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.894761][ T32] r4:00000001 [ 1324.894780][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.894887][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.894917][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.894946][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.894971][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.894998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.895020][ T32] r4:84e5a440 [ 1324.895039][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.895064][ T32] INFO: task kworker/0:34:3190 blocked for more than 451 seconds. [ 1324.895089][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.895166][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.895192][ T32] task:kworker/0:34 state:D stack:0 pid:3190 tgid:3190 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.895311][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.895370][ T32] Call trace: [ 1324.895404][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.895463][ T32] r10:8291880c r9:dfbb1d84 r8:00000002 r7:60000113 r6:dfbb1d8c r5:83a8ec00 [ 1324.895489][ T32] r4:83a8ec00 [ 1324.895536][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.895579][ T32] r5:83a8ec00 r4:82918808 [ 1324.895605][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.895641][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.895712][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbb1e08 [ 1324.895737][ T32] r4:00000000 [ 1324.895756][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.895791][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.895853][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.895955][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854a0940 [ 1324.896034][ T32] r4:00000000 [ 1324.896057][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.896100][ T32] r9:83018005 r8:83a8ec00 r7:00000000 r6:83018000 r5:00001000 r4:7f271000 [ 1324.896121][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.896162][ T32] r5:00001000 r4:eb35d000 [ 1324.896180][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.896295][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.896341][ T32] r5:85a9078c r4:85a90400 [ 1324.896360][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.896403][ T32] r7:dddced80 r6:83018000 r5:85a9078c r4:84eca500 [ 1324.896571][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.896633][ T32] r10:61c88647 r9:83a8ec00 r8:84eca52c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.896715][ T32] r4:84eca500 [ 1324.896737][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.896808][ T32] r10:00000000 r9:84eca500 r8:8027f5e8 r7:dfba5e60 r6:84eca580 r5:83a8ec00 [ 1324.896835][ T32] r4:00000001 [ 1324.896854][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.896973][ T32] Exception stack(0xdfbb1fb0 to 0xdfbb1ff8) [ 1324.897075][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1324.897106][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.897133][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.897308][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.897335][ T32] r4:84eeb000 [ 1324.897667][ T32] INFO: task kworker/0:34:3190 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.897697][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.897858][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.897905][ T32] Call trace: [ 1324.897961][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.898013][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.898051][ T32] r4:00000000 [ 1324.898074][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.898111][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.898368][ T32] dd20: be57c000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.898464][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.898558][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.898586][ T32] r5:80070013 r4:80239bb0 [ 1324.898609][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.898653][ T32] r4:82ac11a4 [ 1324.898672][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.898745][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.898770][ T32] r4:e883ddc0 [ 1324.898849][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.898895][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.898917][ T32] r4:00000000 [ 1324.898936][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.898980][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.899002][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.899043][ T32] r5:00001000 r4:e47a2000 [ 1324.899062][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.899099][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.899140][ T32] r5:84fe978c r4:84fe9400 [ 1324.899177][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.899231][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.899254][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.899320][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.899373][ T32] r4:8454d880 [ 1324.899396][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.899440][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.899461][ T32] r4:00000001 [ 1324.899480][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.899514][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.899539][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.899594][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.899651][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.899682][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.899705][ T32] r4:84e5a440 [ 1324.899725][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.899812][ T32] INFO: task kworker/0:35:3192 blocked for more than 451 seconds. [ 1324.934463][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.934516][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.934599][ T32] task:kworker/0:35 state:D stack:0 pid:3192 tgid:3192 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.934670][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.934734][ T32] Call trace: [ 1324.934769][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.934828][ T32] r10:8291880c r9:dfbbdd84 r8:00000002 r7:60000113 r6:dfbbdd8c r5:838bc800 [ 1324.935036][ T32] r4:838bc800 [ 1324.935122][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.935168][ T32] r5:838bc800 r4:82918808 [ 1324.935246][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.935363][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.935411][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbbde08 [ 1324.935434][ T32] r4:00000000 [ 1324.935454][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.935582][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.935703][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.935812][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85230fc0 [ 1324.935838][ T32] r4:00000000 [ 1324.935870][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.935920][ T32] r9:83018005 r8:838bc800 r7:00000000 r6:83018000 r5:00001000 r4:7f273000 [ 1324.936020][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.936065][ T32] r5:00001000 r4:dfb6f000 [ 1324.936085][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.936124][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.936165][ T32] r5:858a778c r4:858a7400 [ 1324.936184][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.936229][ T32] r7:dddced80 r6:83018000 r5:858a778c r4:84eca600 [ 1324.936278][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.936335][ T32] r10:61c88647 r9:838bc800 r8:84eca62c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.936590][ T32] r4:84eca600 [ 1324.936615][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.936749][ T32] r10:00000000 r9:84eca600 r8:8027f5e8 r7:dfbb1e60 r6:84eca680 r5:838bc800 [ 1324.936866][ T32] r4:00000001 [ 1324.936890][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.936928][ T32] Exception stack(0xdfbbdfb0 to 0xdfbbdff8) [ 1324.936983][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.937016][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.937263][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.937382][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.937408][ T32] r4:84eeb300 [ 1324.937918][ T32] INFO: task kworker/0:35:3192 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.937951][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.938044][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.938116][ T32] Call trace: [ 1324.938152][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.938228][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.938252][ T32] r4:00000000 [ 1324.938271][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.938314][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.938387][ T32] dd20: beab7000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.938448][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.938525][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.938554][ T32] r5:80070013 r4:80239bb0 [ 1324.938577][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.938624][ T32] r4:82ac11a4 [ 1324.938644][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.938690][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.938712][ T32] r4:e883ddc0 [ 1324.938730][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.938772][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.938793][ T32] r4:00000000 [ 1324.938812][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.938892][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.938931][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.939002][ T32] r5:00001000 r4:e47a2000 [ 1324.939113][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.939158][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.939200][ T32] r5:84fe978c r4:84fe9400 [ 1324.939328][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.939723][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.939788][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.947917][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.948009][ T32] r4:8454d880 [ 1324.948046][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.948117][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.948140][ T32] r4:00000001 [ 1324.948160][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.948233][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.948268][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.948298][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.948364][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.948429][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.948479][ T32] r4:84e5a440 [ 1324.948510][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.948541][ T32] INFO: task kworker/0:36:3194 blocked for more than 451 seconds. [ 1324.948684][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.948788][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.948845][ T32] task:kworker/0:36 state:D stack:0 pid:3194 tgid:3194 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.948909][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.949402][ T32] Call trace: [ 1324.949482][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.949542][ T32] r10:8291880c r9:dfb85d84 r8:00000002 r7:60000113 r6:dfb85d8c r5:83a88c00 [ 1324.949566][ T32] r4:83a88c00 [ 1324.949585][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.949625][ T32] r5:83a88c00 r4:82918808 [ 1324.949857][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.955642][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.955735][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb85e08 [ 1324.955765][ T32] r4:00000000 [ 1324.955818][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.955886][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.955933][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.956007][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b5c440 [ 1324.956131][ T32] r4:00000000 [ 1324.956196][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.956359][ T32] r9:83018005 r8:83a88c00 r7:00000000 r6:83018000 r5:00001000 r4:7f509000 [ 1324.956385][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.956430][ T32] r5:00001000 r4:ed1f9000 [ 1324.956476][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.956528][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.956569][ T32] r5:84cbc38c r4:84cbc000 [ 1324.956588][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.956633][ T32] r7:dddced80 r6:83018000 r5:84cbc38c r4:84eca700 [ 1324.956685][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.956733][ T32] r10:61c88647 r9:83a88c00 r8:84eca72c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.956754][ T32] r4:84eca700 [ 1324.956773][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.956815][ T32] r10:00000000 r9:84eca700 r8:8027f5e8 r7:dfbb1e60 r6:84eca780 r5:83a88c00 [ 1324.956836][ T32] r4:00000001 [ 1324.956855][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.956890][ T32] Exception stack(0xdfb85fb0 to 0xdfb85ff8) [ 1324.956918][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.956946][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.956970][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.956998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.957019][ T32] r4:84eeb540 [ 1324.957513][ T32] INFO: task kworker/0:36:3194 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.957560][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.957662][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.957726][ T32] Call trace: [ 1324.957769][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.957822][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.957845][ T32] r4:00000000 [ 1324.957864][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.957901][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.957928][ T32] dd20: beab7000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.957956][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.957980][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.958016][ T32] r5:80070013 r4:80239bb0 [ 1324.958044][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.958090][ T32] r4:82ac11a4 [ 1324.958110][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.958156][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.958178][ T32] r4:e883ddc0 [ 1324.958218][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.958285][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.958309][ T32] r4:00000000 [ 1324.958345][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.958453][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.958485][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.958532][ T32] r5:00001000 r4:e47a2000 [ 1324.958554][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.958620][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.958696][ T32] r5:84fe978c r4:84fe9400 [ 1324.958719][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.958765][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.958786][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.958877][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.958910][ T32] r4:8454d880 [ 1324.958952][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.959007][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.959045][ T32] r4:00000001 [ 1324.959068][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.959108][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.959153][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.959188][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.959214][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.959242][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.959263][ T32] r4:84e5a440 [ 1324.959284][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.959310][ T32] INFO: task kworker/0:37:3196 blocked for more than 451 seconds. [ 1324.959372][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.959429][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.959455][ T32] task:kworker/0:37 state:D stack:0 pid:3196 tgid:3196 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.959598][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.959664][ T32] Call trace: [ 1324.959694][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.972137][ T32] r10:8291880c r9:dfbc9d84 r8:00000002 r7:60000113 r6:dfbc9d8c r5:83a02400 [ 1324.972252][ T32] r4:83a02400 [ 1324.972279][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.972345][ T32] r5:83a02400 r4:82918808 [ 1324.972366][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.972403][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.972445][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbc9e08 [ 1324.972467][ T32] r4:00000000 [ 1324.972486][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.972520][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.972580][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.972629][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85230ec0 [ 1324.972651][ T32] r4:00000000 [ 1324.972671][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.972717][ T32] r9:83018005 r8:83a02400 r7:00000000 r6:83018000 r5:00001000 r4:7f26b000 [ 1324.972738][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.972781][ T32] r5:00001000 r4:eb74d000 [ 1324.972818][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.972865][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.972908][ T32] r5:858a738c r4:858a7000 [ 1324.972928][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.972999][ T32] r7:dddced80 r6:83018000 r5:858a738c r4:84eca800 [ 1324.973024][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.973075][ T32] r10:61c88647 r9:83a02400 r8:84eca82c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.973097][ T32] r4:84eca800 [ 1324.973117][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.973160][ T32] r10:00000000 r9:84eca800 r8:8027f5e8 r7:dfb85e60 r6:84eca880 r5:83a02400 [ 1324.973209][ T32] r4:00000001 [ 1324.973236][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.973274][ T32] Exception stack(0xdfbc9fb0 to 0xdfbc9ff8) [ 1324.973346][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1324.973379][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.973405][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.973435][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.973460][ T32] r4:84eeb540 [ 1324.973949][ T32] INFO: task kworker/0:37:3196 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.973981][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.974088][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.974134][ T32] Call trace: [ 1324.974168][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.974255][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.974282][ T32] r4:00000000 [ 1324.974302][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.974339][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.974371][ T32] dd20: bedc2000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.974414][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.974442][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.974467][ T32] r5:80070013 r4:80239bb0 [ 1324.974486][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.974534][ T32] r4:82ac11a4 [ 1324.974566][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.974616][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.974638][ T32] r4:e883ddc0 [ 1324.974656][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.974727][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.974753][ T32] r4:00000000 [ 1324.974772][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.974817][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.974838][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.974932][ T32] r5:00001000 r4:e47a2000 [ 1324.974957][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.974997][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.975043][ T32] r5:84fe978c r4:84fe9400 [ 1324.975062][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.975108][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.975129][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.975214][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.975241][ T32] r4:8454d880 [ 1324.975260][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.975303][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.975325][ T32] r4:00000001 [ 1324.975345][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.975380][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.975405][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.975471][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.975501][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.975529][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.975551][ T32] r4:84e5a440 [ 1324.975617][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.975648][ T32] INFO: task kworker/0:38:3199 blocked for more than 451 seconds. [ 1324.975699][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.975730][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.975753][ T32] task:kworker/0:38 state:D stack:0 pid:3199 tgid:3199 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.975797][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.975838][ T32] Call trace: [ 1324.975867][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1324.975914][ T32] r10:8291880c r9:dfbd5d84 r8:00000002 r7:60000113 r6:dfbd5d8c r5:83a05400 [ 1324.975936][ T32] r4:83a05400 [ 1324.975955][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1324.976022][ T32] r5:83a05400 r4:82918808 [ 1324.976133][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1324.976175][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1324.976244][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbd5e08 [ 1324.976282][ T32] r4:00000000 [ 1324.976350][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1324.976390][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1324.976426][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.976481][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8583f9c0 [ 1324.976506][ T32] r4:00000000 [ 1324.976526][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.976569][ T32] r9:83018005 r8:83a05400 r7:00000000 r6:83018000 r5:00001000 r4:7f4d5000 [ 1324.976589][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.976628][ T32] r5:00001000 r4:ed421000 [ 1324.976689][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.976731][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.976771][ T32] r5:84cbcb8c r4:84cbc800 [ 1324.976791][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.976834][ T32] r7:dddced80 r6:83018000 r5:84cbcb8c r4:84eca900 [ 1324.976853][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.976897][ T32] r10:61c88647 r9:83a05400 r8:84eca92c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1324.976947][ T32] r4:84eca900 [ 1324.977006][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.977062][ T32] r10:00000000 r9:84eca900 r8:8027f5e8 r7:dfb85e60 r6:84eca980 r5:83a05400 [ 1324.977086][ T32] r4:00000001 [ 1324.977104][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.977138][ T32] Exception stack(0xdfbd5fb0 to 0xdfbd5ff8) [ 1324.977163][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1324.977190][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.977216][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.977244][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.977265][ T32] r4:84eeb7c0 [ 1324.977583][ T32] INFO: task kworker/0:38:3199 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1324.977613][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.977770][ T32] Workqueue: events bpf_prog_free_deferred [ 1324.977848][ T32] Call trace: [ 1324.977909][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1324.977957][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1324.977979][ T32] r4:00000000 [ 1324.977998][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1324.978038][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1324.978095][ T32] dd20: bedc2000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1324.978127][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1324.978152][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1324.978175][ T32] r5:80070013 r4:80239bb0 [ 1324.978227][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1324.978275][ T32] r4:82ac11a4 [ 1324.978375][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1324.978461][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1324.978499][ T32] r4:e883ddc0 [ 1324.978523][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1324.978569][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1324.978591][ T32] r4:00000000 [ 1324.978610][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1324.978652][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1324.978674][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1324.978742][ T32] r5:00001000 r4:e47a2000 [ 1324.978766][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1324.978850][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1324.978913][ T32] r5:84fe978c r4:84fe9400 [ 1324.978966][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1324.979035][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1324.979061][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1324.979107][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1324.979130][ T32] r4:8454d880 [ 1324.979150][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1324.979192][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1324.979214][ T32] r4:00000001 [ 1324.979233][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1324.979276][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1324.979305][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1324.979333][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1324.979359][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1324.979387][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1324.979408][ T32] r4:84e5a440 [ 1324.979457][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1324.979487][ T32] INFO: task kworker/0:39:3201 blocked for more than 451 seconds. [ 1324.979541][ T32] Not tainted 6.15.0-syzkaller #0 [ 1324.979578][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1324.979601][ T32] task:kworker/0:39 state:D stack:0 pid:3201 tgid:3201 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1324.979805][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.002958][ T32] Call trace: [ 1325.003005][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.003093][ T32] r10:8291880c r9:dfbf5d84 r8:00000002 r7:60000113 r6:dfbf5d8c r5:83a01800 [ 1325.003117][ T32] r4:83a01800 [ 1325.003137][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.003176][ T32] r5:83a01800 r4:82918808 [ 1325.003210][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.003258][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.003306][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbf5e08 [ 1325.003328][ T32] r4:00000000 [ 1325.003347][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.003394][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.003440][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.003485][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858405c0 [ 1325.003506][ T32] r4:00000000 [ 1325.003524][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.003570][ T32] r9:83018005 r8:83a01800 r7:00000000 r6:83018000 r5:00001000 r4:7f449000 [ 1325.003591][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.003634][ T32] r5:00001000 r4:df9c1000 [ 1325.003653][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.003715][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.003765][ T32] r5:84cbdf8c r4:84cbdc00 [ 1325.003785][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.003830][ T32] r7:dddced80 r6:83018000 r5:84cbdf8c r4:84ecaa00 [ 1325.003850][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.003893][ T32] r10:61c88647 r9:83a01800 r8:84ecaa2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.003914][ T32] r4:84ecaa00 [ 1325.003932][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.004033][ T32] r10:00000000 r9:84ecaa00 r8:8027f5e8 r7:dfbd5e60 r6:84ecaa80 r5:83a01800 [ 1325.004071][ T32] r4:00000001 [ 1325.004096][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.004140][ T32] Exception stack(0xdfbf5fb0 to 0xdfbf5ff8) [ 1325.004169][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.004197][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.004222][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.004249][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.004270][ T32] r4:84eeb900 [ 1325.004758][ T32] INFO: task kworker/0:39:3201 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.004791][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.004853][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.004896][ T32] Call trace: [ 1325.004945][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.004994][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.005017][ T32] r4:00000000 [ 1325.005042][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.005079][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.005106][ T32] dd20: bf036000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.005133][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.005157][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.005179][ T32] r5:80070013 r4:80239bb0 [ 1325.005197][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.005241][ T32] r4:82ac11a4 [ 1325.005260][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.005305][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.005327][ T32] r4:e883ddc0 [ 1325.005345][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.005387][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.005407][ T32] r4:00000000 [ 1325.005426][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.005469][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.005489][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.005529][ T32] r5:00001000 r4:e47a2000 [ 1325.005548][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.005585][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.005631][ T32] r5:84fe978c r4:84fe9400 [ 1325.005651][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.005708][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.005733][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.005926][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.005951][ T32] r4:8454d880 [ 1325.005971][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.006014][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.006040][ T32] r4:00000001 [ 1325.006059][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.006107][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.006134][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.006161][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.006220][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.006252][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.006273][ T32] r4:84e5a440 [ 1325.006326][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.006372][ T32] INFO: task kworker/1:10:3202 blocked for more than 451 seconds. [ 1325.006409][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.006433][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.006454][ T32] task:kworker/1:10 state:D stack:0 pid:3202 tgid:3202 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.006505][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.006544][ T32] Call trace: [ 1325.006658][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.006707][ T32] r10:8291880c r9:dfbf9d84 r8:00000002 r7:60000113 r6:dfbf9d8c r5:8418a400 [ 1325.006851][ T32] r4:8418a400 [ 1325.006969][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.007011][ T32] r5:8418a400 r4:82918808 [ 1325.007036][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.007074][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.007114][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbf9e08 [ 1325.007135][ T32] r4:00000000 [ 1325.007178][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.007217][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.007255][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.007297][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859fd300 [ 1325.007318][ T32] r4:00000000 [ 1325.007337][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.007393][ T32] r9:83018205 r8:8418a400 r7:00000000 r6:83018200 r5:00001000 r4:7f09d000 [ 1325.007417][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.007457][ T32] r5:00001000 r4:ec8c9000 [ 1325.007475][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.007511][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.007552][ T32] r5:85a0ef8c r4:85a0ec00 [ 1325.007570][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.007611][ T32] r7:ddde2d80 r6:83018200 r5:85a0ef8c r4:8461dd80 [ 1325.007630][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.007673][ T32] r10:61c88647 r9:8418a400 r8:8461ddac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.007694][ T32] r4:8461dd80 [ 1325.007712][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.007766][ T32] r10:00000000 r9:8461dd80 r8:8027f5e8 r7:df9d5e60 r6:84ecab00 r5:8418a400 [ 1325.007791][ T32] r4:00000001 [ 1325.007809][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.007871][ T32] Exception stack(0xdfbf9fb0 to 0xdfbf9ff8) [ 1325.007923][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.007953][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.008003][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.008039][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.008062][ T32] r4:84ec9600 [ 1325.008426][ T32] INFO: task kworker/1:10:3202 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.008467][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.008549][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.008606][ T32] Call trace: [ 1325.008640][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.008687][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.008738][ T32] r4:00000000 [ 1325.008779][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.008820][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.008847][ T32] dd20: bf036000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.008876][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.008900][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.008922][ T32] r5:80070013 r4:80239bb0 [ 1325.008954][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.009002][ T32] r4:82ac11a4 [ 1325.009022][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.009076][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.009098][ T32] r4:e883ddc0 [ 1325.009117][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.009158][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.009178][ T32] r4:00000000 [ 1325.009197][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.009239][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.009261][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.009300][ T32] r5:00001000 r4:e47a2000 [ 1325.009374][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.009417][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.009487][ T32] r5:84fe978c r4:84fe9400 [ 1325.009510][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.009586][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.009610][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.009655][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.009697][ T32] r4:8454d880 [ 1325.009718][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.009860][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.028594][ T32] r4:00000001 [ 1325.028644][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.028707][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.028782][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.028829][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.028855][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.028884][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.028905][ T32] r4:84e5a440 [ 1325.028929][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.028959][ T32] INFO: task kworker/0:40:3203 blocked for more than 451 seconds. [ 1325.029007][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.029053][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.029127][ T32] task:kworker/0:40 state:D stack:0 pid:3203 tgid:3203 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.029190][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.029239][ T32] Call trace: [ 1325.029270][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.029322][ T32] r10:8291880c r9:dfc05d84 r8:00000002 r7:60000113 r6:dfc05d8c r5:84550000 [ 1325.029343][ T32] r4:84550000 [ 1325.029363][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.029448][ T32] r5:84550000 r4:82918808 [ 1325.029504][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.029546][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.029589][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc05e08 [ 1325.029612][ T32] r4:00000000 [ 1325.029631][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.029811][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.033525][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.033605][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85840e00 [ 1325.033628][ T32] r4:00000000 [ 1325.033648][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.033693][ T32] r9:83018005 r8:84550000 r7:00000000 r6:83018000 r5:00001000 r4:7f49f000 [ 1325.033714][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.033758][ T32] r5:00001000 r4:ed243000 [ 1325.033784][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.033828][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.033897][ T32] r5:85b0578c r4:85b05400 [ 1325.033949][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.034000][ T32] r7:dddced80 r6:83018000 r5:85b0578c r4:84ecab80 [ 1325.034022][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.034075][ T32] r10:61c88647 r9:84550000 r8:84ecabac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.034097][ T32] r4:84ecab80 [ 1325.034115][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.034159][ T32] r10:00000000 r9:84ecab80 r8:8027f5e8 r7:dfbf5e60 r6:84ecac00 r5:84550000 [ 1325.034181][ T32] r4:00000001 [ 1325.034228][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.034294][ T32] Exception stack(0xdfc05fb0 to 0xdfc05ff8) [ 1325.034328][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.034357][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.034382][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.034410][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.034431][ T32] r4:84eebd40 [ 1325.034926][ T32] INFO: task kworker/0:40:3203 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.034958][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.035091][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.035172][ T32] Call trace: [ 1325.035205][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.035254][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.035277][ T32] r4:00000000 [ 1325.035317][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.035357][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.035385][ T32] dd20: bf36e000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.035425][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.035453][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.035477][ T32] r5:80070013 r4:80239bb0 [ 1325.035496][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.035540][ T32] r4:82ac11a4 [ 1325.035560][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.035635][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.035660][ T32] r4:e883ddc0 [ 1325.035727][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.035815][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.035840][ T32] r4:00000000 [ 1325.035859][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.035904][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.035955][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.035999][ T32] r5:00001000 r4:e47a2000 [ 1325.036018][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.036065][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.036132][ T32] r5:84fe978c r4:84fe9400 [ 1325.036156][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.036201][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.036222][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.036295][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.036320][ T32] r4:8454d880 [ 1325.036352][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.036425][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.036451][ T32] r4:00000001 [ 1325.036470][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.036505][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.036530][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.036557][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.036582][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.036634][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.036702][ T32] r4:84e5a440 [ 1325.036727][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.036754][ T32] INFO: task kworker/0:41:3206 blocked for more than 451 seconds. [ 1325.036787][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.036810][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.036831][ T32] task:kworker/0:41 state:D stack:0 pid:3206 tgid:3206 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.036875][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.036977][ T32] Call trace: [ 1325.037033][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.037089][ T32] r10:8291880c r9:dfbe9d84 r8:00000002 r7:60000113 r6:dfbe9d8c r5:84551800 [ 1325.037113][ T32] r4:84551800 [ 1325.037133][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.037172][ T32] r5:84551800 r4:82918808 [ 1325.037217][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.037286][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.037333][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbe9e08 [ 1325.037409][ T32] r4:00000000 [ 1325.037431][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.037466][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.037501][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.037573][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85840480 [ 1325.037598][ T32] r4:00000000 [ 1325.037618][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.037662][ T32] r9:83018005 r8:84551800 r7:00000000 r6:83018000 r5:00001000 r4:7f447000 [ 1325.037696][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.037767][ T32] r5:00001000 r4:ecd23000 [ 1325.037815][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.037857][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.037926][ T32] r5:84cbe38c r4:84cbe000 [ 1325.037960][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.038015][ T32] r7:dddced80 r6:83018000 r5:84cbe38c r4:84ecac80 [ 1325.038044][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.038088][ T32] r10:61c88647 r9:84551800 r8:84ecacac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.038138][ T32] r4:84ecac80 [ 1325.038161][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.038228][ T32] r10:00000000 r9:84ecac80 r8:8027f5e8 r7:dfbf5e60 r6:84ecad00 r5:84551800 [ 1325.038277][ T32] r4:00000001 [ 1325.038311][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.038390][ T32] Exception stack(0xdfbe9fb0 to 0xdfbe9ff8) [ 1325.038443][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.038485][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.038512][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.038552][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.038574][ T32] r4:84eebf80 [ 1325.038918][ T32] INFO: task kworker/0:41:3206 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.038952][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.039064][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.039113][ T32] Call trace: [ 1325.039157][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.039209][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.039232][ T32] r4:00000000 [ 1325.039280][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.039327][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.039385][ T32] dd20: bf36e000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.039417][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.039496][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.039523][ T32] r5:80070013 r4:80239bb0 [ 1325.039543][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.039588][ T32] r4:82ac11a4 [ 1325.039607][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.039652][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.039674][ T32] r4:e883ddc0 [ 1325.039696][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.060451][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.060538][ T32] r4:00000000 [ 1325.060564][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.060659][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.060685][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.060731][ T32] r5:00001000 r4:e47a2000 [ 1325.060751][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.060789][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.060877][ T32] r5:84fe978c r4:84fe9400 [ 1325.060910][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.060961][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.061087][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.061145][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.061198][ T32] r4:8454d880 [ 1325.061228][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.061277][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.061299][ T32] r4:00000001 [ 1325.061318][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.061355][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.061399][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.061463][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.061493][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.061522][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.061543][ T32] r4:84e5a440 [ 1325.061576][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.061605][ T32] INFO: task kworker/0:42:3207 blocked for more than 451 seconds. [ 1325.061638][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.061669][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.061691][ T32] task:kworker/0:42 state:D stack:0 pid:3207 tgid:3207 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.061747][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.061823][ T32] Call trace: [ 1325.061856][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.061907][ T32] r10:8291880c r9:dfc1dd84 r8:00000002 r7:60000113 r6:dfc1dd8c r5:84552400 [ 1325.061929][ T32] r4:84552400 [ 1325.061961][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.062036][ T32] r5:84552400 r4:82918808 [ 1325.062113][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.062155][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.062234][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc1de08 [ 1325.062272][ T32] r4:00000000 [ 1325.062294][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.062362][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.062406][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.062448][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8565b240 [ 1325.062470][ T32] r4:00000000 [ 1325.062501][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.062553][ T32] r9:83018005 r8:84552400 r7:00000000 r6:83018000 r5:00001000 r4:7f3bb000 [ 1325.062574][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.062636][ T32] r5:00001000 r4:ed205000 [ 1325.062658][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.062696][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.062738][ T32] r5:84cbff8c r4:84cbfc00 [ 1325.062768][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.062817][ T32] r7:dddced80 r6:83018000 r5:84cbff8c r4:84ecad80 [ 1325.062837][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.062880][ T32] r10:61c88647 r9:84552400 r8:84ecadac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.062901][ T32] r4:84ecad80 [ 1325.062919][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.062960][ T32] r10:00000000 r9:84ecad80 r8:8027f5e8 r7:dfbe9e60 r6:84ecae00 r5:84552400 [ 1325.063011][ T32] r4:00000001 [ 1325.063051][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.063090][ T32] Exception stack(0xdfc1dfb0 to 0xdfc1dff8) [ 1325.063116][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.063172][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.063229][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.063275][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.063319][ T32] r4:84eec0c0 [ 1325.063811][ T32] INFO: task kworker/0:42:3207 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.063844][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.063959][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.064036][ T32] Call trace: [ 1325.064069][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.064117][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.064139][ T32] r4:00000000 [ 1325.064171][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.064212][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.064238][ T32] dd20: bf56b000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.064267][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.064313][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.064338][ T32] r5:80070013 r4:80239bb0 [ 1325.064358][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.064402][ T32] r4:82ac11a4 [ 1325.064422][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.064467][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.064488][ T32] r4:e883ddc0 [ 1325.064534][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.064580][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.064601][ T32] r4:00000000 [ 1325.064621][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.064664][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.064686][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.064728][ T32] r5:00001000 r4:e47a2000 [ 1325.064748][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.064786][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.064826][ T32] r5:84fe978c r4:84fe9400 [ 1325.064845][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.064889][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.064909][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.064952][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.064975][ T32] r4:8454d880 [ 1325.065026][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.065077][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.065099][ T32] r4:00000001 [ 1325.065117][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.065166][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.065209][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.065240][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.065280][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.065311][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.065359][ T32] r4:84e5a440 [ 1325.065384][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.065409][ T32] INFO: task kworker/0:43:3210 blocked for more than 451 seconds. [ 1325.065462][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.065488][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.065553][ T32] task:kworker/0:43 state:D stack:0 pid:3210 tgid:3210 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.065632][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.065704][ T32] Call trace: [ 1325.065734][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.065780][ T32] r10:8291880c r9:dfc21d84 r8:00000002 r7:60000113 r6:dfc21d8c r5:84553c00 [ 1325.065802][ T32] r4:84553c00 [ 1325.065821][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.065859][ T32] r5:84553c00 r4:82918808 [ 1325.065878][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.065914][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.065955][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc21e08 [ 1325.065976][ T32] r4:00000000 [ 1325.065995][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.066059][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.066100][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.066171][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852c0a40 [ 1325.066219][ T32] r4:00000000 [ 1325.066241][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.066285][ T32] r9:83018005 r8:84553c00 r7:00000000 r6:83018000 r5:00001000 r4:7f2fb000 [ 1325.066306][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.066345][ T32] r5:00001000 r4:ec555000 [ 1325.066364][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.066401][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.066440][ T32] r5:85aa238c r4:85aa2000 [ 1325.066460][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.066501][ T32] r7:dddced80 r6:83018000 r5:85aa238c r4:84ecae80 [ 1325.066521][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.066563][ T32] r10:61c88647 r9:84553c00 r8:84ecaeac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.066615][ T32] r4:84ecae80 [ 1325.066670][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.066717][ T32] r10:00000000 r9:84ecae80 r8:8027f5e8 r7:dfc1de60 r6:84ecaf00 r5:84553c00 [ 1325.066739][ T32] r4:00000001 [ 1325.066757][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.066792][ T32] Exception stack(0xdfc21fb0 to 0xdfc21ff8) [ 1325.066817][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.066883][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.066914][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.066942][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.066964][ T32] r4:84eec240 [ 1325.067327][ T32] INFO: task kworker/0:43:3210 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.067391][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.067490][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.067559][ T32] Call trace: [ 1325.067593][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.067656][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.067682][ T32] r4:00000000 [ 1325.067702][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.067739][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.067766][ T32] dd20: bf56b000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.067793][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.067816][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.067839][ T32] r5:80070013 r4:80239bb0 [ 1325.067858][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.067901][ T32] r4:82ac11a4 [ 1325.067937][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.068037][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.068066][ T32] r4:e883ddc0 [ 1325.068085][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.068128][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.068177][ T32] r4:00000000 [ 1325.068200][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.068252][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.068304][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.068426][ T32] r5:00001000 r4:e47a2000 [ 1325.068462][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.068530][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.068634][ T32] r5:84fe978c r4:84fe9400 [ 1325.068660][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.068748][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.068797][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.068847][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.068870][ T32] r4:8454d880 [ 1325.068915][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.068961][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.068984][ T32] r4:00000001 [ 1325.069003][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.069046][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.069100][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.069132][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.069160][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.069187][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.069210][ T32] r4:84e5a440 [ 1325.069230][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.069255][ T32] INFO: task kworker/0:44:3211 blocked for more than 451 seconds. [ 1325.069282][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.069352][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.069376][ T32] task:kworker/0:44 state:D stack:0 pid:3211 tgid:3211 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.069430][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.069474][ T32] Call trace: [ 1325.069504][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.069550][ T32] r10:8291880c r9:dfc35d84 r8:00000002 r7:60000113 r6:dfc35d8c r5:84555400 [ 1325.069573][ T32] r4:84555400 [ 1325.069592][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.069629][ T32] r5:84555400 r4:82918808 [ 1325.069688][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.069781][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.095511][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc35e08 [ 1325.095561][ T32] r4:00000000 [ 1325.095585][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.095644][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.095687][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.095729][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8558d6c0 [ 1325.095752][ T32] r4:00000000 [ 1325.095815][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.095924][ T32] r9:83018005 r8:84555400 r7:00000000 r6:83018000 r5:00001000 r4:7f345000 [ 1325.095951][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.096069][ T32] r5:00001000 r4:ecd3f000 [ 1325.096095][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.096208][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.096314][ T32] r5:84cbfb8c r4:84cbf800 [ 1325.096338][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.096385][ T32] r7:dddced80 r6:83018000 r5:84cbfb8c r4:84ecaf80 [ 1325.096405][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.096524][ T32] r10:61c88647 r9:84555400 r8:84ecafac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.096806][ T32] r4:84ecaf80 [ 1325.096830][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.096875][ T32] r10:00000000 r9:84ecaf80 r8:8027f5e8 r7:dfc21e60 r6:84df2000 r5:84555400 [ 1325.096916][ T32] r4:00000001 [ 1325.096938][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.096976][ T32] Exception stack(0xdfc35fb0 to 0xdfc35ff8) [ 1325.097007][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.097040][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.097184][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.097291][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.097316][ T32] r4:84eec4c0 [ 1325.097799][ T32] INFO: task kworker/0:44:3211 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.098068][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.098163][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.098418][ T32] Call trace: [ 1325.098482][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.098536][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.098582][ T32] r4:00000000 [ 1325.098606][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.098645][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.098683][ T32] dd20: bf915000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.098738][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.098827][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.098858][ T32] r5:80070013 r4:80239bb0 [ 1325.098879][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.098925][ T32] r4:82ac11a4 [ 1325.098944][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.098990][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.099012][ T32] r4:e883ddc0 [ 1325.099533][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.099584][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.099606][ T32] r4:00000000 [ 1325.099625][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.099668][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.099700][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.120272][ T32] r5:00001000 r4:e47a2000 [ 1325.120370][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.120466][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.120512][ T32] r5:84fe978c r4:84fe9400 [ 1325.120533][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.120653][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.121034][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.121090][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.121134][ T32] r4:8454d880 [ 1325.121159][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.121326][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.121353][ T32] r4:00000001 [ 1325.121374][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.121684][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.122107][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.122210][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.122261][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.122291][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.122385][ T32] r4:84e5a440 [ 1325.122521][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.122592][ T32] INFO: task kworker/0:45:3214 blocked for more than 451 seconds. [ 1325.122681][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.122739][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.122765][ T32] task:kworker/0:45 state:D stack:0 pid:3214 tgid:3214 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.122821][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.122898][ T32] Call trace: [ 1325.122987][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.123103][ T32] r10:8291880c r9:dfc11d84 r8:00000002 r7:60000113 r6:dfc11d8c r5:84553000 [ 1325.123129][ T32] r4:84553000 [ 1325.123149][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.123189][ T32] r5:84553000 r4:82918808 [ 1325.123207][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.123243][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.123316][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc11e08 [ 1325.123371][ T32] r4:00000000 [ 1325.123397][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.123434][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.123480][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.123523][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85840380 [ 1325.123544][ T32] r4:00000000 [ 1325.123563][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.123608][ T32] r9:83018005 r8:84553000 r7:00000000 r6:83018000 r5:00001000 r4:7f445000 [ 1325.123646][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.123691][ T32] r5:00001000 r4:ecd09000 [ 1325.123716][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.123769][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.123827][ T32] r5:84cbe78c r4:84cbe400 [ 1325.123864][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.123910][ T32] r7:dddced80 r6:83018000 r5:84cbe78c r4:84df2080 [ 1325.123945][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.123992][ T32] r10:61c88647 r9:84553000 r8:84df20ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.124014][ T32] r4:84df2080 [ 1325.124050][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.124124][ T32] r10:00000000 r9:84df2080 r8:8027f5e8 r7:dfc35e60 r6:84df2100 r5:84553000 [ 1325.124150][ T32] r4:00000001 [ 1325.124168][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.124225][ T32] Exception stack(0xdfc11fb0 to 0xdfc11ff8) [ 1325.124255][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.124285][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.124311][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.124366][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.124417][ T32] r4:84eec740 [ 1325.124902][ T32] INFO: task kworker/0:45:3214 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.124975][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.125068][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.125115][ T32] Call trace: [ 1325.125193][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.125245][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.125268][ T32] r4:00000000 [ 1325.125287][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.125323][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.125350][ T32] dd20: bfb36000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.125378][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.125402][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.125424][ T32] r5:80070013 r4:80239bb0 [ 1325.125444][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.125501][ T32] r4:82ac11a4 [ 1325.125524][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.125571][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.125592][ T32] r4:e883ddc0 [ 1325.125611][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.125653][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.125743][ T32] r4:00000000 [ 1325.125766][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.125812][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.125867][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.125912][ T32] r5:00001000 r4:e47a2000 [ 1325.125946][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.125988][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.126034][ T32] r5:84fe978c r4:84fe9400 [ 1325.126055][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.126100][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.126120][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.126165][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.126214][ T32] r4:8454d880 [ 1325.126253][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.126302][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.126359][ T32] r4:00000001 [ 1325.126382][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.126419][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.126444][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.126472][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.126497][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.126525][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.126547][ T32] r4:84e5a440 [ 1325.126567][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.126590][ T32] INFO: task kworker/0:46:3215 blocked for more than 451 seconds. [ 1325.126617][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.126639][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.126659][ T32] task:kworker/0:46 state:D stack:0 pid:3215 tgid:3215 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.126701][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.126740][ T32] Call trace: [ 1325.126788][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.126835][ T32] r10:8291880c r9:dfc45d84 r8:00000002 r7:60000113 r6:dfc45d8c r5:84556000 [ 1325.126857][ T32] r4:84556000 [ 1325.126887][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.126930][ T32] r5:84556000 r4:82918808 [ 1325.126949][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.126983][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.127023][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc45e08 [ 1325.127052][ T32] r4:00000000 [ 1325.127118][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.127158][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.127195][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.127264][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857c0240 [ 1325.127293][ T32] r4:00000000 [ 1325.127312][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.127354][ T32] r9:83018005 r8:84556000 r7:00000000 r6:83018000 r5:00001000 r4:7f399000 [ 1325.127376][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.127415][ T32] r5:00001000 r4:ed17d000 [ 1325.127454][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.127503][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.127573][ T32] r5:85ae5f8c r4:85ae5c00 [ 1325.127639][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.127687][ T32] r7:dddced80 r6:83018000 r5:85ae5f8c r4:84df2180 [ 1325.127707][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.127750][ T32] r10:61c88647 r9:84556000 r8:84df21ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.127773][ T32] r4:84df2180 [ 1325.127822][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.127869][ T32] r10:00000000 r9:84df2180 r8:8027f5e8 r7:dfc11e60 r6:84df2200 r5:84556000 [ 1325.127922][ T32] r4:00000001 [ 1325.127944][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.128000][ T32] Exception stack(0xdfc45fb0 to 0xdfc45ff8) [ 1325.128054][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.128086][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.128124][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.128156][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.128177][ T32] r4:84eec740 [ 1325.128546][ T32] INFO: task kworker/0:46:3215 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.128590][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.128712][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.128791][ T32] Call trace: [ 1325.128857][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.128906][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.128935][ T32] r4:00000000 [ 1325.128986][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.129026][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.129120][ T32] dd20: bfb36000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.129152][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.129177][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.129199][ T32] r5:80070013 r4:80239bb0 [ 1325.129246][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.129298][ T32] r4:82ac11a4 [ 1325.129320][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.129368][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.129403][ T32] r4:e883ddc0 [ 1325.129426][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.129557][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.129814][ T32] r4:00000000 [ 1325.151468][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.151565][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.151590][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.151636][ T32] r5:00001000 r4:e47a2000 [ 1325.151656][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.151694][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.151751][ T32] r5:84fe978c r4:84fe9400 [ 1325.151834][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.151912][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.151967][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.152016][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.152072][ T32] r4:8454d880 [ 1325.152096][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.152141][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.152163][ T32] r4:00000001 [ 1325.152224][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.152265][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.152327][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.152386][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.152417][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.152500][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.152584][ T32] r4:84e5a440 [ 1325.152642][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.152703][ T32] INFO: task kworker/0:47:3218 blocked for more than 451 seconds. [ 1325.152742][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.152814][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.152867][ T32] task:kworker/0:47 state:D stack:0 pid:3218 tgid:3218 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.152928][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.152988][ T32] Call trace: [ 1325.153085][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.153151][ T32] r10:8291880c r9:dfc41d84 r8:00000002 r7:60000113 r6:dfc41d8c r5:84556c00 [ 1325.153201][ T32] r4:84556c00 [ 1325.153225][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.153265][ T32] r5:84556c00 r4:82918808 [ 1325.153284][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.153413][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.153492][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc41e08 [ 1325.153517][ T32] r4:00000000 [ 1325.153536][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.153571][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.153610][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.153651][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85840280 [ 1325.153698][ T32] r4:00000000 [ 1325.153722][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.153785][ T32] r9:83018005 r8:84556c00 r7:00000000 r6:83018000 r5:00001000 r4:7f443000 [ 1325.153809][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.153877][ T32] r5:00001000 r4:ecce1000 [ 1325.153920][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.153989][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.154044][ T32] r5:84cbeb8c r4:84cbe800 [ 1325.154092][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.154138][ T32] r7:dddced80 r6:83018000 r5:84cbeb8c r4:84df2280 [ 1325.154236][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.154323][ T32] r10:61c88647 r9:84556c00 r8:84df22ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.154359][ T32] r4:84df2280 [ 1325.154381][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.154425][ T32] r10:00000000 r9:84df2280 r8:8027f5e8 r7:dfc11e60 r6:84df2300 r5:84556c00 [ 1325.154748][ T32] r4:00000001 [ 1325.154771][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.154952][ T32] Exception stack(0xdfc41fb0 to 0xdfc41ff8) [ 1325.155072][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.155147][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.155537][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.155568][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.155649][ T32] r4:84eecac0 [ 1325.156267][ T32] INFO: task kworker/0:47:3218 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.156315][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.156456][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.156501][ T32] Call trace: [ 1325.156562][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.156638][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.156665][ T32] r4:00000000 [ 1325.156714][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.156813][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.156856][ T32] dd20: bfebb000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.156887][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.156928][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.157097][ T32] r5:80070013 r4:80239bb0 [ 1325.157122][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.157195][ T32] r4:82ac11a4 [ 1325.157247][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.157298][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.157319][ T32] r4:e883ddc0 [ 1325.157358][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.157433][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.157457][ T32] r4:00000000 [ 1325.157534][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.157588][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.157618][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.157658][ T32] r5:00001000 r4:e47a2000 [ 1325.157677][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.157716][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.157755][ T32] r5:84fe978c r4:84fe9400 [ 1325.157774][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.157818][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.157897][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.157975][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.157999][ T32] r4:8454d880 [ 1325.158018][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.158074][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.158098][ T32] r4:00000001 [ 1325.158116][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.158276][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.158306][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.158335][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.158362][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.158390][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.158412][ T32] r4:84e5a440 [ 1325.158459][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.158629][ T32] INFO: task kworker/0:48:3219 blocked for more than 451 seconds. [ 1325.158690][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.158858][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.158910][ T32] task:kworker/0:48 state:D stack:0 pid:3219 tgid:3219 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.158978][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.159063][ T32] Call trace: [ 1325.159242][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.159292][ T32] r10:8291880c r9:dfc49d84 r8:00000002 r7:60000113 r6:dfc49d8c r5:84554800 [ 1325.159356][ T32] r4:84554800 [ 1325.159378][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.159417][ T32] r5:84554800 r4:82918808 [ 1325.159436][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.159789][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.184039][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc49e08 [ 1325.184093][ T32] r4:00000000 [ 1325.184117][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.184178][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.184297][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.184347][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85840040 [ 1325.184369][ T32] r4:00000000 [ 1325.184433][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.184483][ T32] r9:83018005 r8:84554800 r7:00000000 r6:83018000 r5:00001000 r4:7f441000 [ 1325.184550][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.184598][ T32] r5:00001000 r4:ecbd1000 [ 1325.184619][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.184656][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.184943][ T32] r5:84cbef8c r4:84cbec00 [ 1325.185054][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.185164][ T32] r7:dddced80 r6:83018000 r5:84cbef8c r4:84df2380 [ 1325.185188][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.185234][ T32] r10:61c88647 r9:84554800 r8:84df23ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.185255][ T32] r4:84df2380 [ 1325.185320][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.185367][ T32] r10:00000000 r9:84df2380 r8:8027f5e8 r7:dfc41e60 r6:84df2400 r5:84554800 [ 1325.185687][ T32] r4:00000001 [ 1325.185728][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.185789][ T32] Exception stack(0xdfc49fb0 to 0xdfc49ff8) [ 1325.186050][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.186158][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.186235][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.186269][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.186293][ T32] r4:84eecac0 [ 1325.186971][ T32] INFO: task kworker/0:48:3219 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.187014][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.187140][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.187188][ T32] Call trace: [ 1325.187220][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.187286][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.187315][ T32] r4:00000000 [ 1325.187335][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.187372][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.187399][ T32] dd20: c0185000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.187488][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.187516][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.187596][ T32] r5:80070013 r4:80239bb0 [ 1325.187619][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.187665][ T32] r4:82ac11a4 [ 1325.187714][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.187823][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.187850][ T32] r4:e883ddc0 [ 1325.187869][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.187912][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.187933][ T32] r4:00000000 [ 1325.187951][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.188036][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.188062][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.188206][ T32] r5:00001000 r4:e47a2000 [ 1325.188229][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.188314][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.188359][ T32] r5:84fe978c r4:84fe9400 [ 1325.188379][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.188423][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.188444][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.188487][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.188612][ T32] r4:8454d880 [ 1325.188722][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.188934][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.188959][ T32] r4:00000001 [ 1325.188978][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.189148][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.189178][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.189208][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.189367][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.189399][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.189484][ T32] r4:84e5a440 [ 1325.189598][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.189630][ T32] INFO: task kworker/0:49:3222 blocked for more than 451 seconds. [ 1325.189664][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.189713][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.215801][ T32] task:kworker/0:49 state:D stack:0 pid:3222 tgid:3222 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.215962][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.216055][ T32] Call trace: [ 1325.216350][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.216458][ T32] r10:8291880c r9:dfc4dd84 r8:00000002 r7:60000113 r6:dfc4dd8c r5:84550c00 [ 1325.216486][ T32] r4:84550c00 [ 1325.216569][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.216613][ T32] r5:84550c00 r4:82918808 [ 1325.216633][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.216669][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.216710][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc4de08 [ 1325.216732][ T32] r4:00000000 [ 1325.216777][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.216891][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.216957][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.217075][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eecb40 [ 1325.217109][ T32] r4:00000000 [ 1325.217131][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.217177][ T32] r9:83018005 r8:84550c00 r7:00000000 r6:83018000 r5:00001000 r4:7f43f000 [ 1325.217198][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.217238][ T32] r5:00001000 r4:ecadb000 [ 1325.217325][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.217426][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.217831][ T32] r5:84cbf38c r4:84cbf000 [ 1325.217856][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.217903][ T32] r7:dddced80 r6:83018000 r5:84cbf38c r4:84df2480 [ 1325.217949][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.218071][ T32] r10:61c88647 r9:84550c00 r8:84df24ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.218159][ T32] r4:84df2480 [ 1325.218224][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.218274][ T32] r10:00000000 r9:84df2480 r8:8027f5e8 r7:dfc49e60 r6:84df2500 r5:84550c00 [ 1325.218345][ T32] r4:00000001 [ 1325.218369][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.218407][ T32] Exception stack(0xdfc4dfb0 to 0xdfc4dff8) [ 1325.218459][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.218490][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.218516][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.218544][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.218564][ T32] r4:84eeccc0 [ 1325.219352][ T32] INFO: task kworker/0:49:3222 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.219389][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.219616][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.232272][ T32] Call trace: [ 1325.232340][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.232416][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.232441][ T32] r4:00000000 [ 1325.232461][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.232501][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.232532][ T32] dd20: c0470000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.232560][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.232585][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.232608][ T32] r5:80070013 r4:80239bb0 [ 1325.232845][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.232897][ T32] r4:82ac11a4 [ 1325.232960][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.233070][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.233097][ T32] r4:e883ddc0 [ 1325.233117][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.233328][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.233356][ T32] r4:00000000 [ 1325.233561][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.233616][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.233642][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.233690][ T32] r5:00001000 r4:e47a2000 [ 1325.233710][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.233764][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.233813][ T32] r5:84fe978c r4:84fe9400 [ 1325.233940][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.234048][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.234074][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.234120][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.234217][ T32] r4:8454d880 [ 1325.234255][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.234305][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.234375][ T32] r4:00000001 [ 1325.234399][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.234942][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.234975][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.235005][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.235035][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.235064][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.235085][ T32] r4:84e5a440 [ 1325.235110][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.235355][ T32] INFO: task kworker/0:50:3224 blocked for more than 451 seconds. [ 1325.235464][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.235492][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.235515][ T32] task:kworker/0:50 state:D stack:0 pid:3224 tgid:3224 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.235567][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.235609][ T32] Call trace: [ 1325.235793][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.235845][ T32] r10:8291880c r9:dfc55d84 r8:00000002 r7:60000013 r6:dfc55d8c r5:83a06c00 [ 1325.235868][ T32] r4:83a06c00 [ 1325.235888][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.236000][ T32] r5:83a06c00 r4:82918808 [ 1325.236110][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.236152][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.236194][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc55e08 [ 1325.236217][ T32] r4:00000000 [ 1325.236236][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.236270][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.236306][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.236348][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eecd80 [ 1325.236425][ T32] r4:00000000 [ 1325.236449][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.236493][ T32] r9:83018005 r8:83a06c00 r7:00000000 r6:83018000 r5:00001000 r4:7f43d000 [ 1325.236541][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.236948][ T32] r5:00001000 r4:ec5b1000 [ 1325.236991][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.237071][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.237118][ T32] r5:84cbf78c r4:84cbf400 [ 1325.237141][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.237185][ T32] r7:dddced80 r6:83018000 r5:84cbf78c r4:84df2580 [ 1325.237205][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.237250][ T32] r10:61c88647 r9:83a06c00 r8:84df25ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.237271][ T32] r4:84df2580 [ 1325.237324][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.237475][ T32] r10:00000000 r9:84df2580 r8:8027f5e8 r7:dfc4de60 r6:84df2600 r5:83a06c00 [ 1325.237502][ T32] r4:00000001 [ 1325.237522][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.237558][ T32] Exception stack(0xdfc55fb0 to 0xdfc55ff8) [ 1325.237585][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.237908][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.237940][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.238118][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.238145][ T32] r4:84eebf80 [ 1325.238684][ T32] INFO: task kworker/0:50:3224 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.238723][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.239092][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.239165][ T32] Call trace: [ 1325.239201][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.239253][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.239291][ T32] r4:00000000 [ 1325.239367][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.239698][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.265312][ T32] dd20: c06b4000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.265531][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.265567][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.265597][ T32] r5:80070013 r4:80239bb0 [ 1325.266035][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.266109][ T32] r4:82ac11a4 [ 1325.266129][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.266175][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.266220][ T32] r4:e883ddc0 [ 1325.266241][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.266286][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.266354][ T32] r4:00000000 [ 1325.266468][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.266578][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.266693][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.266818][ T32] r5:00001000 r4:e47a2000 [ 1325.266841][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.266882][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.266923][ T32] r5:84fe978c r4:84fe9400 [ 1325.266942][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.266987][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.267036][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.267086][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.267109][ T32] r4:8454d880 [ 1325.267155][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.267206][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.267228][ T32] r4:00000001 [ 1325.267386][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.267433][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.267505][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.267537][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.267572][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.267603][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.267715][ T32] r4:84e5a440 [ 1325.267745][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.267776][ T32] INFO: task kworker/0:51:3226 blocked for more than 451 seconds. [ 1325.267811][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.267925][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.267955][ T32] task:kworker/0:51 state:D stack:0 pid:3226 tgid:3226 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.268058][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.268132][ T32] Call trace: [ 1325.268402][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.268562][ T32] r10:8291880c r9:dfc59d84 r8:00000002 r7:60000113 r6:dfc59d8c r5:84ec0000 [ 1325.268589][ T32] r4:84ec0000 [ 1325.268608][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.268648][ T32] r5:84ec0000 r4:82918808 [ 1325.268668][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.268705][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.268763][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc59e08 [ 1325.268788][ T32] r4:00000000 [ 1325.268883][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.269052][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.269094][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.269320][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85840700 [ 1325.269365][ T32] r4:00000000 [ 1325.269388][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.269433][ T32] r9:83018005 r8:84ec0000 r7:00000000 r6:83018000 r5:00001000 r4:7f43f000 [ 1325.269455][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.269495][ T32] r5:00001000 r4:ec621000 [ 1325.269514][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.269943][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.290752][ T32] r5:84cbcf8c r4:84cbcc00 [ 1325.291070][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.291154][ T32] r7:dddced80 r6:83018000 r5:84cbcf8c r4:84df2680 [ 1325.291179][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.291231][ T32] r10:61c88647 r9:84ec0000 r8:84df26ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.291282][ T32] r4:84df2680 [ 1325.291308][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.291360][ T32] r10:00000000 r9:84df2680 r8:8027f5e8 r7:dfc55e60 r6:84df2700 r5:84ec0000 [ 1325.291489][ T32] r4:00000001 [ 1325.291513][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.291555][ T32] Exception stack(0xdfc59fb0 to 0xdfc59ff8) [ 1325.291587][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.291618][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.291693][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.291727][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.291888][ T32] r4:84eebd40 [ 1325.292475][ T32] INFO: task kworker/0:51:3226 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.292514][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.292585][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.292632][ T32] Call trace: [ 1325.292679][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.293054][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.293082][ T32] r4:00000000 [ 1325.293296][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.293348][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.293376][ T32] dd20: c091c000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.293767][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.293841][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.293868][ T32] r5:80070013 r4:80239bb0 [ 1325.293888][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.293935][ T32] r4:82ac11a4 [ 1325.293989][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.294045][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.294068][ T32] r4:e883ddc0 [ 1325.294088][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.294236][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.294287][ T32] r4:00000000 [ 1325.294342][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.294396][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.294419][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.294461][ T32] r5:00001000 r4:e47a2000 [ 1325.294570][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.294613][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.294656][ T32] r5:84fe978c r4:84fe9400 [ 1325.294780][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.294830][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.294867][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.294991][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.295016][ T32] r4:8454d880 [ 1325.295329][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.295377][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.295399][ T32] r4:00000001 [ 1325.295517][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.295584][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.295613][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.295642][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.295667][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.295694][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.295715][ T32] r4:84e5a440 [ 1325.295735][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.295762][ T32] INFO: task kworker/0:52:3229 blocked for more than 451 seconds. [ 1325.295796][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.295821][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.295841][ T32] task:kworker/0:52 state:D stack:0 pid:3229 tgid:3229 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.295884][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.295981][ T32] Call trace: [ 1325.296033][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.296081][ T32] r10:8291880c r9:dfc65d84 r8:00000002 r7:60000113 r6:dfc65d8c r5:84ec0c00 [ 1325.296320][ T32] r4:84ec0c00 [ 1325.296370][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.296413][ T32] r5:84ec0c00 r4:82918808 [ 1325.296475][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.296589][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.296634][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc65e08 [ 1325.296671][ T32] r4:00000000 [ 1325.296693][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.296727][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.296764][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.296906][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8583f3c0 [ 1325.297115][ T32] r4:00000000 [ 1325.297139][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.297225][ T32] r9:83018005 r8:84ec0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f4f5000 [ 1325.297334][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.297377][ T32] r5:00001000 r4:ed167000 [ 1325.297445][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.297486][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.297526][ T32] r5:84cbc78c r4:84cbc400 [ 1325.297650][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.297844][ T32] r7:dddced80 r6:83018000 r5:84cbc78c r4:84df2780 [ 1325.298139][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.298201][ T32] r10:61c88647 r9:84ec0c00 r8:84df27ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.298251][ T32] r4:84df2780 [ 1325.298288][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.298351][ T32] r10:00000000 r9:84df2780 r8:8027f5e8 r7:dfc59e60 r6:84df2800 r5:84ec0c00 [ 1325.298373][ T32] r4:00000001 [ 1325.298391][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.298426][ T32] Exception stack(0xdfc65fb0 to 0xdfc65ff8) [ 1325.298451][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.298478][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.298504][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.298530][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.298604][ T32] r4:84e36100 [ 1325.298935][ T32] INFO: task kworker/0:52:3229 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.298968][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.299352][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.299567][ T32] Call trace: [ 1325.330884][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.330983][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.331009][ T32] r4:00000000 [ 1325.331039][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.331083][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.331117][ T32] dd20: c0a3d000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.331149][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.331177][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.331202][ T32] r5:80070013 r4:80239bb0 [ 1325.331222][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.331271][ T32] r4:82ac11a4 [ 1325.331293][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.331373][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.331424][ T32] r4:e883ddc0 [ 1325.331469][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.331526][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.331575][ T32] r4:00000000 [ 1325.331599][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.331670][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.331697][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.331746][ T32] r5:00001000 r4:e47a2000 [ 1325.331787][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.331853][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.331924][ T32] r5:84fe978c r4:84fe9400 [ 1325.331948][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.331999][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.332074][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.332128][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.332151][ T32] r4:8454d880 [ 1325.332172][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.332217][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.332249][ T32] r4:00000001 [ 1325.332273][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.332309][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.332345][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.332375][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.332421][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.332466][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.332490][ T32] r4:84e5a440 [ 1325.332514][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.332544][ T32] INFO: task kworker/0:53:3231 blocked for more than 451 seconds. [ 1325.332577][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.332623][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.332649][ T32] task:kworker/0:53 state:D stack:0 pid:3231 tgid:3231 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.332731][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.332837][ T32] Call trace: [ 1325.332870][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.332918][ T32] r10:8291880c r9:dfc79d84 r8:00000002 r7:60000113 r6:dfc79d8c r5:84ec1800 [ 1325.332939][ T32] r4:84ec1800 [ 1325.332957][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.332994][ T32] r5:84ec1800 r4:82918808 [ 1325.333059][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.333121][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.333168][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc79e08 [ 1325.333224][ T32] r4:00000000 [ 1325.333266][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.333306][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.333342][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.333383][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b5c640 [ 1325.333441][ T32] r4:00000000 [ 1325.333486][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.333546][ T32] r9:83018005 r8:84ec1800 r7:00000000 r6:83018000 r5:00001000 r4:7f50f000 [ 1325.333571][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.333631][ T32] r5:00001000 r4:ed23b000 [ 1325.333653][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.333693][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.333753][ T32] r5:84e9df8c r4:84e9dc00 [ 1325.333795][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.333840][ T32] r7:dddced80 r6:83018000 r5:84e9df8c r4:84df2880 [ 1325.333881][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.333947][ T32] r10:61c88647 r9:84ec1800 r8:84df28ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.333971][ T32] r4:84df2880 [ 1325.333989][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.334061][ T32] r10:00000000 r9:84df2880 r8:8027f5e8 r7:dfc65e60 r6:84df2900 r5:84ec1800 [ 1325.334086][ T32] r4:00000001 [ 1325.334105][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.334141][ T32] Exception stack(0xdfc79fb0 to 0xdfc79ff8) [ 1325.334166][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.334229][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.334303][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.334335][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.334357][ T32] r4:84e36340 [ 1325.334849][ T32] INFO: task kworker/0:53:3231 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.334881][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.334958][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.335026][ T32] Call trace: [ 1325.335087][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.335238][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.335286][ T32] r4:00000000 [ 1325.335309][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.335349][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.335377][ T32] dd20: c0a3d000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.335425][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.335466][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.335495][ T32] r5:80070013 r4:80239bb0 [ 1325.335515][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.335559][ T32] r4:82ac11a4 [ 1325.335601][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.335651][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.335674][ T32] r4:e883ddc0 [ 1325.335701][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.335744][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.335785][ T32] r4:00000000 [ 1325.335810][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.335854][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.335902][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.335949][ T32] r5:00001000 r4:e47a2000 [ 1325.335969][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.336008][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.336057][ T32] r5:84fe978c r4:84fe9400 [ 1325.336107][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.336156][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.336177][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.336221][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.336261][ T32] r4:8454d880 [ 1325.336303][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.336350][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.336372][ T32] r4:00000001 [ 1325.336390][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.336445][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.336474][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.336502][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.336527][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.336555][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.336576][ T32] r4:84e5a440 [ 1325.336616][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.336644][ T32] INFO: task kworker/0:54:3234 blocked for more than 451 seconds. [ 1325.336692][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.336738][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.336762][ T32] task:kworker/0:54 state:D stack:0 pid:3234 tgid:3234 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.336830][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.336875][ T32] Call trace: [ 1325.336905][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.336952][ T32] r10:8291880c r9:dfca1d84 r8:00000002 r7:60000113 r6:dfca1d8c r5:839f0c00 [ 1325.336994][ T32] r4:839f0c00 [ 1325.337018][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.337066][ T32] r5:839f0c00 r4:82918808 [ 1325.337085][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.337122][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.337272][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfca1e08 [ 1325.337329][ T32] r4:00000000 [ 1325.337408][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.337472][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.337513][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.337556][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c251c0 [ 1325.337577][ T32] r4:00000000 [ 1325.337598][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.337659][ T32] r9:83018005 r8:839f0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f5a1000 [ 1325.337684][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.337724][ T32] r5:00001000 r4:ed627000 [ 1325.337743][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.337800][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.337843][ T32] r5:84e9e78c r4:84e9e400 [ 1325.337864][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.337926][ T32] r7:dddced80 r6:83018000 r5:84e9e78c r4:84df2980 [ 1325.337970][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.338017][ T32] r10:61c88647 r9:839f0c00 r8:84df29ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.338046][ T32] r4:84df2980 [ 1325.338067][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.338163][ T32] r10:00000000 r9:84df2980 r8:8027f5e8 r7:dfc79e60 r6:8461de80 r5:839f0c00 [ 1325.338216][ T32] r4:00000001 [ 1325.338300][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.338342][ T32] Exception stack(0xdfca1fb0 to 0xdfca1ff8) [ 1325.338398][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.338429][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.338455][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.338505][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.338531][ T32] r4:84e36440 [ 1325.338858][ T32] INFO: task kworker/0:54:3234 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.338909][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.339013][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.339093][ T32] Call trace: [ 1325.339138][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.339186][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.339229][ T32] r4:00000000 [ 1325.339272][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.339316][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.339364][ T32] dd20: c0a3d000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.339396][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.339441][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.339488][ T32] r5:80070013 r4:80239bb0 [ 1325.339533][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.339599][ T32] r4:82ac11a4 [ 1325.339621][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.339753][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.339874][ T32] r4:e883ddc0 [ 1325.361071][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.361168][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.361214][ T32] r4:00000000 [ 1325.361242][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.361289][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.361312][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.361355][ T32] r5:00001000 r4:e47a2000 [ 1325.361375][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.361412][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.361453][ T32] r5:84fe978c r4:84fe9400 [ 1325.361472][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.361517][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.361536][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.361580][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.361601][ T32] r4:8454d880 [ 1325.361619][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.361684][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.361732][ T32] r4:00000001 [ 1325.361755][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.361828][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.361881][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.361933][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.361962][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.361991][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.362013][ T32] r4:84e5a440 [ 1325.362056][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.362101][ T32] INFO: task kworker/0:55:3236 blocked for more than 451 seconds. [ 1325.362136][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.362160][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.362232][ T32] task:kworker/0:55 state:D stack:0 pid:3236 tgid:3236 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.362320][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.362391][ T32] Call trace: [ 1325.362422][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.362474][ T32] r10:8291880c r9:dfcb1d84 r8:00000002 r7:60000013 r6:dfcb1d8c r5:8451b000 [ 1325.362496][ T32] r4:8451b000 [ 1325.362535][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.362579][ T32] r5:8451b000 r4:82918808 [ 1325.362599][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.362635][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.362696][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcb1e08 [ 1325.362742][ T32] r4:00000000 [ 1325.362763][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.362799][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.362836][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.362880][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859f6400 [ 1325.362940][ T32] r4:00000000 [ 1325.362963][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.363009][ T32] r9:83018005 r8:8451b000 r7:00000000 r6:83018000 r5:00001000 r4:7f5dd000 [ 1325.363052][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.363097][ T32] r5:00001000 r4:ed3bb000 [ 1325.363116][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.363153][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.363192][ T32] r5:859e6f8c r4:859e6c00 [ 1325.363210][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.363253][ T32] r7:dddced80 r6:83018000 r5:859e6f8c r4:84df2a00 [ 1325.363273][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.363315][ T32] r10:61c88647 r9:8451b000 r8:84df2a2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.363357][ T32] r4:84df2a00 [ 1325.363401][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.363451][ T32] r10:00000000 r9:84df2a00 r8:8027f5e8 r7:dfca1e60 r6:83fe5800 r5:8451b000 [ 1325.363474][ T32] r4:00000001 [ 1325.363492][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.363527][ T32] Exception stack(0xdfcb1fb0 to 0xdfcb1ff8) [ 1325.363552][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.363601][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.363632][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.363660][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.363682][ T32] r4:84e364c0 [ 1325.364172][ T32] INFO: task kworker/0:55:3236 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.364205][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.364259][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.364323][ T32] Call trace: [ 1325.364380][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 4 printk messages dropped ** [ 1325.364585][ T32] dd20: c0dea000 edddd000 00000001 80239b98 7fb69000 00000001 ** 21 printk messages dropped ** [ 1325.365563][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 12 printk messages dropped ** [ 1325.366035][ T32] INFO: task kworker/0:56:3237 blocked for more than 451 seconds. ** 3 printk messages dropped ** [ 1325.366174][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.366270][ T32] Call trace: [ 1325.366325][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.366376][ T32] r10:8291880c r9:dfc85d84 r8:00000002 r7:60000113 r6:dfc85d8c r5:84ec2400 [ 1325.366399][ T32] r4:84ec2400 [ 1325.366417][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.366455][ T32] r5:84ec2400 r4:82918808 [ 1325.366474][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.366529][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.366574][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc85e08 [ 1325.366595][ T32] r4:00000000 [ 1325.366613][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.366646][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.366682][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.366744][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e36840 [ 1325.366790][ T32] r4:00000000 [ 1325.366813][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.366877][ T32] r9:83018005 r8:84ec2400 r7:00000000 r6:83018000 r5:00001000 r4:7f64b000 [ 1325.366902][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.366944][ T32] r5:00001000 r4:ecd19000 [ 1325.367005][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.367051][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.367092][ T32] r5:84e9ef8c r4:84e9ec00 [ 1325.367111][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.367153][ T32] r7:dddced80 r6:83018000 r5:84e9ef8c r4:84df2a80 [ 1325.367194][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.367241][ T32] r10:61c88647 r9:84ec2400 r8:84df2aac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.367284][ T32] r4:84df2a80 [ 1325.367305][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.367370][ T32] r10:00000000 r9:84df2a80 r8:8027f5e8 r7:dfcb1e60 r6:84df2b00 r5:84ec2400 [ 1325.367394][ T32] r4:00000001 [ 1325.367435][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.367474][ T32] Exception stack(0xdfc85fb0 to 0xdfc85ff8) [ 1325.367501][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.367549][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.367580][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.367609][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.367630][ T32] r4:84e364c0 [ 1325.367984][ T32] INFO: task kworker/0:56:3237 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.368033][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.368183][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.368229][ T32] Call trace: [ 1325.368259][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.368325][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.368351][ T32] r4:00000000 [ 1325.368370][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.368427][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.368457][ T32] dd20: c0dea000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.368506][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.368534][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.368557][ T32] r5:80070013 r4:80239bb0 [ 1325.368599][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.368645][ T32] r4:82ac11a4 [ 1325.368664][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.368710][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.368751][ T32] r4:e883ddc0 [ 1325.368794][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.368839][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.368860][ T32] r4:00000000 [ 1325.368879][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.368921][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.368963][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.369059][ T32] r5:00001000 r4:e47a2000 [ 1325.369083][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.369144][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.369189][ T32] r5:84fe978c r4:84fe9400 [ 1325.369209][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.369274][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.369299][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.369364][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.369409][ T32] r4:8454d880 [ 1325.369432][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.369476][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.369518][ T32] r4:00000001 [ 1325.369540][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.369576][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.369622][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.369850][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.391264][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.391319][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.391343][ T32] r4:84e5a440 [ 1325.391388][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.391422][ T32] INFO: task kworker/0:57:3239 blocked for more than 451 seconds. [ 1325.391457][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.391525][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.391571][ T32] task:kworker/0:57 state:D stack:0 pid:3239 tgid:3239 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.391662][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.391722][ T32] Call trace: [ 1325.391779][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.391857][ T32] r10:8291880c r9:dfcbdd84 r8:00000002 r7:60000113 r6:dfcbdd8c r5:84ec3000 [ 1325.391883][ T32] r4:84ec3000 [ 1325.391903][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.391964][ T32] r5:84ec3000 r4:82918808 [ 1325.391996][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.392046][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.392111][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcbde08 [ 1325.392137][ T32] r4:00000000 [ 1325.392157][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.392192][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.392234][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1325.392416][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1325.392717][ T32] r7:dddced80 r6:83018000 r5:84e9f38c r4:84df2b80 ** 8 printk messages dropped ** [ 1325.393079][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1325.393205][ T32] r4:84e36800 ** 2 printk messages dropped ** [ 1325.393811][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1325.394113][ T32] Exception stack(0xe883dd28 to 0xe883dd70) ** 3 printk messages dropped ** [ 1325.394248][ T32] r5:80070013 r4:80239bb0 ** 9 printk messages dropped ** [ 1325.394616][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 7 printk messages dropped ** [ 1325.394943][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1325.395276][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1325.395564][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 7 printk messages dropped ** [ 1325.395999][ T32] r5:84ec4800 r4:82918808 ** 5 printk messages dropped ** [ 1325.396231][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1325.396547][ T32] r5:00001000 r4:ed631000 [ 1325.396591][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1325.396796][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1325.397265][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.397286][ T32] r4:84e36800 [ 1325.397605][ T32] INFO: task kworker/0:58:3241 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.397638][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.397739][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.397803][ T32] Call trace: [ 1325.397858][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.397926][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.397952][ T32] r4:00000000 [ 1325.397972][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.398007][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.398073][ T32] dd20: c137d000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.398105][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.398130][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.398173][ T32] r5:80070013 r4:80239bb0 [ 1325.398226][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.398279][ T32] r4:82ac11a4 [ 1325.398298][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.398370][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.398395][ T32] r4:e883ddc0 [ 1325.398415][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.398458][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.398479][ T32] r4:00000000 [ 1325.398518][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.398586][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.398611][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.398652][ T32] r5:00001000 r4:e47a2000 [ 1325.398671][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.398708][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.398769][ T32] r5:84fe978c r4:84fe9400 [ 1325.398812][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.398881][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.398905][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.398949][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.398992][ T32] r4:8454d880 [ 1325.399037][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.399085][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.399106][ T32] r4:00000001 [ 1325.399144][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.399225][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.399253][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.399300][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.399328][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.399376][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.399402][ T32] r4:84e5a440 [ 1325.399422][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.399445][ T32] INFO: task kworker/0:59:3242 blocked for more than 451 seconds. [ 1325.399471][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.399493][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.399513][ T32] task:kworker/0:59 state:D stack:0 pid:3242 tgid:3242 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.399575][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.399618][ T32] Call trace: [ 1325.399646][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.399697][ T32] r10:8291880c r9:dfcd9d84 r8:00000002 r7:60000113 r6:dfcd9d8c r5:84ec6000 [ 1325.399805][ T32] r4:84ec6000 [ 1325.419470][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.419561][ T32] r5:84ec6000 r4:82918808 [ 1325.419583][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.419622][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.419664][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcd9e08 [ 1325.419695][ T32] r4:00000000 [ 1325.419796][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.420194][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.420258][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.420309][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85050fc0 [ 1325.420332][ T32] r4:00000000 [ 1325.420377][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1325.420551][ T32] r5:00001000 r4:dfd0d000 [ 1325.420572][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1325.420745][ T32] r7:dddced80 r6:83018000 r5:859bf38c r4:84df2d80 ** 7 printk messages dropped ** [ 1325.421182][ T32] Exception stack(0xdfcd9fb0 to 0xdfcd9ff8) ** 4 printk messages dropped ** [ 1325.421382][ T32] r4:84e36c40 ** 5 printk messages dropped ** [ 1325.422237][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1325.422600][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1325.422832][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1325.423150][ T32] r5:84fe978c r4:84fe9400 ** 6 printk messages dropped ** [ 1325.423440][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 9 printk messages dropped ** [ 1325.423835][ T32] INFO: task kworker/1:11:3244 blocked for more than 451 seconds. ** 12 printk messages dropped ** [ 1325.424426][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc51e08 ** 4 printk messages dropped ** [ 1325.424583][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859fd400 [ 1325.424614][ T32] r4:00000000 [ 1325.424637][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.424680][ T32] r9:83018205 r8:8451c800 r7:00000000 r6:83018200 r5:00001000 r4:7f09f000 [ 1325.424700][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.424739][ T32] r5:00001000 r4:ec8d3000 [ 1325.424789][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.424830][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.424876][ T32] r5:85a0f38c r4:85a0f000 [ 1325.424932][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.424982][ T32] r7:ddde2d80 r6:83018200 r5:85a0f38c r4:84db0000 [ 1325.425003][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.425055][ T32] r10:61c88647 r9:8451c800 r8:84db002c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.425078][ T32] r4:84db0000 [ 1325.425126][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.425210][ T32] r10:00000000 r9:84db0000 r8:8027f5e8 r7:df9d5e60 r6:84db0080 r5:8451c800 [ 1325.425248][ T32] r4:00000001 [ 1325.425269][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.425305][ T32] Exception stack(0xdfc51fb0 to 0xdfc51ff8) [ 1325.425332][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.425360][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.425407][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.425444][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.425467][ T32] r4:84ec9fc0 [ 1325.425778][ T32] INFO: task kworker/1:11:3244 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.425810][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.425865][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.425907][ T32] Call trace: [ 1325.425936][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.425992][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.426018][ T32] r4:00000000 [ 1325.426053][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.426094][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.426144][ T32] dd20: c1990000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.426180][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.426249][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.426292][ T32] r5:80070013 r4:80239bb0 [ 1325.426324][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.426370][ T32] r4:82ac11a4 [ 1325.426390][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.426459][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.426510][ T32] r4:e883ddc0 [ 1325.426533][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.426599][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.426644][ T32] r4:00000000 [ 1325.426689][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.426757][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.426791][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.426835][ T32] r5:00001000 r4:e47a2000 [ 1325.426855][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.426893][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.426954][ T32] r5:84fe978c r4:84fe9400 [ 1325.426977][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.427022][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.427048][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1325.427221][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1325.427347][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.427397][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.427448][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.427472][ T32] r4:84e5a440 [ 1325.427492][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.427539][ T32] INFO: task kworker/0:60:3247 blocked for more than 451 seconds. [ 1325.427569][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.427615][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.427648][ T32] task:kworker/0:60 state:D stack:0 pid:3247 tgid:3247 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.427716][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.427759][ T32] Call trace: [ 1325.427788][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.427834][ T32] r10:8291880c r9:dfcd5d84 r8:00000002 r7:60000113 r6:dfcd5d8c r5:84519800 [ 1325.427855][ T32] r4:84519800 [ 1325.427906][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.427948][ T32] r5:84519800 r4:82918808 [ 1325.428011][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.428079][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.428146][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcd5e08 [ 1325.428171][ T32] r4:00000000 [ 1325.428243][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.428301][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.428340][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.428392][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a476c0 [ 1325.428438][ T32] r4:00000000 [ 1325.428469][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1325.428574][ T32] r5:00001000 r4:dfc99000 [ 1325.428593][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.428629][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1325.428813][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1325.429137][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1325.462998][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 10 printk messages dropped ** [ 1325.463415][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 10 printk messages dropped ** [ 1325.463821][ T32] r5:84fe978c r4:84fe9400 ** 4 printk messages dropped ** [ 1325.464017][ T32] r4:8454d880 ** 5 printk messages dropped ** [ 1325.464268][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1325.464641][ T32] task:kworker/1:12 state:D stack:0 pid:3248 tgid:3248 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1325.465134][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1325.465434][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.465517][ T32] r5:00001000 r4:ec8ef000 ** 1 printk messages dropped ** [ 1325.465620][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1325.466051][ T32] Exception stack(0xdfcf9fb0 to 0xdfcf9ff8) ** 6 printk messages dropped ** [ 1325.466809][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1325.467330][ T32] r4:82ac11a4 ** 1 printk messages dropped ** [ 1325.467422][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.467443][ T32] r4:e883ddc0 [ 1325.467461][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.467525][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.467573][ T32] r4:00000000 [ 1325.467617][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.467663][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.467684][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.467725][ T32] r5:00001000 r4:e47a2000 [ 1325.467764][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.467806][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.467847][ T32] r5:84fe978c r4:84fe9400 [ 1325.467888][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.467937][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.467958][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.468031][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.468054][ T32] r4:8454d880 [ 1325.468072][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.468151][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.468178][ T32] r4:00000001 [ 1325.468197][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.468232][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.468257][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.468308][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.468337][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.468364][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.468387][ T32] r4:84e5a440 [ 1325.468447][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.468497][ T32] INFO: task kworker/0:61:3251 blocked for more than 451 seconds. [ 1325.468528][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.468550][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.468571][ T32] task:kworker/0:61 state:D stack:0 pid:3251 tgid:3251 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.468614][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.468680][ T32] Call trace: [ 1325.468710][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.468756][ T32] r10:8291880c r9:dfce5d84 r8:00000002 r7:60000113 r6:dfce5d8c r5:8451bc00 [ 1325.468800][ T32] r4:8451bc00 [ 1325.468822][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.468862][ T32] r5:8451bc00 r4:82918808 [ 1325.468903][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.468943][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.468986][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfce5e08 [ 1325.469037][ T32] r4:00000000 [ 1325.469082][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.469121][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.469159][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.469222][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85050880 [ 1325.469247][ T32] r4:00000000 [ 1325.469267][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.469310][ T32] r9:83018005 r8:8451bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f75d000 [ 1325.469330][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.469391][ T32] r5:00001000 r4:ed16b000 [ 1325.469414][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.469452][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.469514][ T32] r5:859bfb8c r4:859bf800 ** 3 printk messages dropped ** [ 1325.469721][ T32] r10:61c88647 r9:8451bc00 r8:84df2f2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1325.489225][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1325.493571][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1325.493821][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1325.494066][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 10 printk messages dropped ** [ 1325.494516][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1325.494885][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1325.495198][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1325.495544][ T32] r5:84518000 r4:82918808 ** 5 printk messages dropped ** [ 1325.495724][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1325.496022][ T32] r5:00001000 r4:ec999000 [ 1325.496048][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1325.496274][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1325.496706][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1325.497474][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 10 printk messages dropped ** [ 1325.497855][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 10 printk messages dropped ** [ 1325.498409][ T32] r5:84fe978c r4:84fe9400 ** 3 printk messages dropped ** [ 1325.498573][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1325.498943][ T32] r4:84e5a440 ** 4 printk messages dropped ** [ 1325.499116][ T32] task:kworker/0:62 state:D stack:0 pid:3255 tgid:3255 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1325.499638][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1325.518479][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1325.518613][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.518662][ T32] r5:00001000 r4:ed0f7000 [ 1325.518683][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.518753][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.518809][ T32] r5:859bf78c r4:859bf400 [ 1325.518829][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.518885][ T32] r7:dddced80 r6:83018000 r5:859bf78c r4:84df2f80 [ 1325.518909][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.518975][ T32] r10:61c88647 r9:8451ec00 r8:84df2fac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.519000][ T32] r4:84df2f80 [ 1325.519021][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.519096][ T32] r10:00000000 r9:84df2f80 r8:8027f5e8 r7:dfcd9e60 r6:84db0400 r5:8451ec00 [ 1325.519142][ T32] r4:00000001 [ 1325.519167][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.519206][ T32] Exception stack(0xdfd25fb0 to 0xdfd25ff8) [ 1325.519236][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.519264][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.519310][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.519359][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.519405][ T32] r4:84c085c0 [ 1325.524054][ T32] INFO: task kworker/0:62:3255 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.524139][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.524227][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.524298][ T32] Call trace: [ 1325.524344][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.524400][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.524424][ T32] r4:00000000 [ 1325.524442][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.524500][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.524532][ T32] dd20: c299d000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.524584][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.524634][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.524660][ T32] r5:80070013 r4:80239bb0 [ 1325.524700][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.524748][ T32] r4:82ac11a4 [ 1325.524777][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.524847][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.524894][ T32] r4:e883ddc0 [ 1325.524916][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.524959][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.524980][ T32] r4:00000000 [ 1325.524999][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.525068][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.525094][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.525135][ T32] r5:00001000 r4:e47a2000 [ 1325.525155][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.525192][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.525233][ T32] r5:84fe978c r4:84fe9400 [ 1325.525262][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.525315][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.525337][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.525382][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.525403][ T32] r4:8454d880 [ 1325.525422][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.525476][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.525500][ T32] r4:00000001 [ 1325.525520][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.525554][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.525579][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.525605][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.525631][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.525678][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.525704][ T32] r4:84e5a440 [ 1325.525726][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.525767][ T32] INFO: task kworker/0:63:3257 blocked for more than 452 seconds. [ 1325.525825][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.525893][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 2 printk messages dropped ** [ 1325.526000][ T32] Call trace: ** 6 printk messages dropped ** [ 1325.526274][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1325.526732][ T32] r5:00001000 r4:ed63b000 [ 1325.526752][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1325.526935][ T32] r7:dddced80 r6:83018000 r5:84c9b38c r4:84c09000 ** 8 printk messages dropped ** [ 1325.527264][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1325.528201][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1325.528599][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1325.528810][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 10 printk messages dropped ** [ 1325.529223][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1325.529554][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1325.546245][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1325.546531][ T32] r5:844b9800 r4:82918808 ** 6 printk messages dropped ** [ 1325.546770][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.546819][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85050ec0 [ 1325.546840][ T32] r4:00000000 [ 1325.546880][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.546949][ T32] r9:83018005 r8:844b9800 r7:00000000 r6:83018000 r5:00001000 r4:7f6cb000 [ 1325.546974][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.547015][ T32] r5:00001000 r4:dfd01000 [ 1325.547071][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.547136][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.547182][ T32] r5:859bef8c r4:859bec00 [ 1325.547212][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.547261][ T32] r7:dddced80 r6:83018000 r5:859bef8c r4:84c09080 [ 1325.547283][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.547326][ T32] r10:61c88647 r9:844b9800 r8:84c090ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.547359][ T32] r4:84c09080 [ 1325.547382][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.547448][ T32] r10:00000000 r9:84c09080 r8:8027f5e8 r7:dfd31e60 r6:84db0500 r5:844b9800 [ 1325.547474][ T32] r4:00000001 [ 1325.547493][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.547553][ T32] Exception stack(0xdfd39fb0 to 0xdfd39ff8) [ 1325.547604][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.547657][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.547707][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.547758][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.547783][ T32] r4:84c08440 [ 1325.548296][ T32] INFO: task kworker/0:64:3258 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.548353][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.548457][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.548505][ T32] Call trace: [ 1325.548534][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.548602][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.548629][ T32] r4:00000000 [ 1325.548678][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.548742][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.548794][ T32] dd20: c2dd7000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.548847][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.548875][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.548900][ T32] r5:80070013 r4:80239bb0 [ 1325.548919][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.548964][ T32] r4:82ac11a4 [ 1325.548983][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.549062][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.549089][ T32] r4:e883ddc0 [ 1325.549128][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.549175][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.549206][ T32] r4:00000000 [ 1325.549228][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.549272][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.549319][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.549366][ T32] r5:00001000 r4:e47a2000 [ 1325.549407][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.549449][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.549511][ T32] r5:84fe978c r4:84fe9400 [ 1325.549558][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.549607][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.549649][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.549706][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.549776][ T32] r4:8454d880 [ 1325.560165][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.560286][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.560312][ T32] r4:00000001 [ 1325.560335][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.560384][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.560418][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.560446][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.560472][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.560520][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.560569][ T32] r4:84e5a440 [ 1325.560595][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.560625][ T32] INFO: task kworker/0:65:3260 blocked for more than 452 seconds. [ 1325.560657][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.560680][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.560724][ T32] task:kworker/0:65 state:D stack:0 pid:3260 tgid:3260 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1325.560947][ T32] r10:8291880c r9:dfd4dd84 r8:00000002 r7:60000113 r6:dfd4dd8c r5:838bbc00 ** 8 printk messages dropped ** [ 1325.561339][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1325.561582][ T32] r5:00001000 r4:eda79000 [ 1325.561602][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1325.561816][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1325.562139][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1325.562975][ T32] Call trace: ** 5 printk messages dropped ** [ 1325.563254][ T32] dd20: c3124000 edddd000 00000001 80239b98 7fb69000 00000001 ** 9 printk messages dropped ** [ 1325.563648][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 10 printk messages dropped ** [ 1325.564090][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1325.564331][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1325.564632][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1325.564936][ T32] r5:838b0c00 r4:82918808 ** 3 printk messages dropped ** [ 1325.565108][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1325.565426][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.565491][ T32] r5:00001000 r4:ec9b9000 ** 2 printk messages dropped ** [ 1325.565592][ T32] r5:85a1838c r4:85a18000 ** 3 printk messages dropped ** [ 1325.565766][ T32] r10:61c88647 r9:838b0c00 r8:84db062c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1325.566142][ T32] r4:84c0f640 ** 1 printk messages dropped ** [ 1325.566526][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.566593][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.566671][ T32] Call trace: [ 1325.566702][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.566748][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.566770][ T32] r4:00000000 [ 1325.566788][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.566822][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.566870][ T32] dd20: c3124000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.566900][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.566925][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.566968][ T32] r5:80070013 r4:80239bb0 [ 1325.566991][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.567060][ T32] r4:82ac11a4 [ 1325.567103][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.567152][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.567196][ T32] r4:e883ddc0 [ 1325.567217][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.567260][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.567280][ T32] r4:00000000 [ 1325.567299][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.567339][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.567360][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.567409][ T32] r5:00001000 r4:e47a2000 [ 1325.567432][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.567493][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.567557][ T32] r5:84fe978c r4:84fe9400 [ 1325.567580][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.567645][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.567668][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.567714][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.567737][ T32] r4:8454d880 [ 1325.567775][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.567821][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.567841][ T32] r4:00000001 [ 1325.567869][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.567927][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.567961][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.568037][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.568066][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.568116][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.568149][ T32] r4:84e5a440 [ 1325.568181][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.568209][ T32] INFO: task kworker/0:66:3264 blocked for more than 452 seconds. [ 1325.568236][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.568257][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.568277][ T32] task:kworker/0:66 state:D stack:0 pid:3264 tgid:3264 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.568337][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.568401][ T32] Call trace: [ 1325.568454][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.568501][ T32] r10:8291880c r9:dfd61d84 r8:00000002 r7:60000113 r6:dfd61d8c r5:838b2400 [ 1325.568523][ T32] r4:838b2400 [ 1325.568540][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.568601][ T32] r5:838b2400 r4:82918808 [ 1325.568623][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.568658][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.568698][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd61e08 [ 1325.568719][ T32] r4:00000000 [ 1325.568763][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.568821][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.568860][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.568924][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a5e700 [ 1325.568949][ T32] r4:00000000 [ 1325.568990][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.569046][ T32] r9:83018005 r8:838b2400 r7:00000000 r6:83018000 r5:00001000 r4:7f7e9000 [ 1325.569090][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.569133][ T32] r5:00001000 r4:ed727000 [ 1325.569162][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.569224][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.569299][ T32] r5:85c5238c r4:85c52000 [ 1325.569322][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.569365][ T32] r7:dddced80 r6:83018000 r5:85c5238c r4:84c09180 [ 1325.569410][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.569456][ T32] r10:61c88647 r9:838b2400 r8:84c091ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.569498][ T32] r4:84c09180 [ 1325.569520][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.569586][ T32] r10:00000000 r9:84c09180 r8:8027f5e8 r7:dfd31e60 r6:84db0700 r5:838b2400 [ 1325.569612][ T32] r4:00000001 [ 1325.569630][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.569728][ T32] Exception stack(0xdfd61fb0 to 0xdfd61ff8) [ 1325.592021][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.592081][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.592109][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.592141][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.592164][ T32] r4:84c08940 [ 1325.592644][ T32] INFO: task kworker/0:66:3264 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.592676][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.592769][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.592831][ T32] Call trace: [ 1325.592887][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.592943][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.592986][ T32] r4:00000000 [ 1325.593009][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.593075][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.593107][ T32] dd20: c35fc000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.593136][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.593160][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.593182][ T32] r5:80070013 r4:80239bb0 [ 1325.593202][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.593248][ T32] r4:82ac11a4 [ 1325.593287][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.593338][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.593359][ T32] r4:e883ddc0 [ 1325.593378][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.593420][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.593440][ T32] r4:00000000 [ 1325.593510][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.593559][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.593601][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.593658][ T32] r5:00001000 r4:e47a2000 [ 1325.593681][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.593720][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1325.593863][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1325.594302][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1325.594627][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1325.594990][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd79e08 ** 9 printk messages dropped ** [ 1325.595362][ T32] r5:00001000 r4:ed6f5000 [ 1325.595381][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.595427][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.595471][ T32] r5:85c51f8c r4:85c51c00 [ 1325.595511][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.595560][ T32] r7:dddced80 r6:83018000 r5:85c51f8c r4:84c09200 [ 1325.595601][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.595648][ T32] r10:61c88647 r9:838b0000 r8:84c0922c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.595670][ T32] r4:84c09200 [ 1325.595688][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.595749][ T32] r10:00000000 r9:84c09200 r8:8027f5e8 r7:dfd31e60 r6:84db0780 r5:838b0000 [ 1325.595774][ T32] r4:00000001 [ 1325.595814][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.595853][ T32] Exception stack(0xdfd79fb0 to 0xdfd79ff8) [ 1325.595899][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.595930][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.595978][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.596018][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.596047][ T32] r4:84c08980 [ 1325.596373][ T32] INFO: task kworker/0:67:3266 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.596407][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.596475][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.596521][ T32] Call trace: [ 1325.596550][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.596597][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.596619][ T32] r4:00000000 [ 1325.596638][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.596673][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.596721][ T32] dd20: c35fc000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.596760][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.596786][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.596808][ T32] r5:80070013 r4:80239bb0 [ 1325.596827][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.596876][ T32] r4:82ac11a4 [ 1325.596904][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.596975][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.597021][ T32] r4:e883ddc0 [ 1325.597057][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.597103][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.597125][ T32] r4:00000000 [ 1325.597144][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.597207][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.597233][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.597306][ T32] r5:00001000 r4:e47a2000 [ 1325.597328][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.597368][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.597409][ T32] r5:84fe978c r4:84fe9400 [ 1325.597449][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.597498][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.597537][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.597614][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.597659][ T32] r4:8454d880 [ 1325.597681][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.597746][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.597770][ T32] r4:00000001 [ 1325.597811][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 6 printk messages dropped ** [ 1325.598074][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1325.598510][ T32] r4:84518c00 ** 1 printk messages dropped ** [ 1325.598600][ T32] r5:84518c00 r4:82918808 [ 1325.598621][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.598657][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.598717][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd89e08 [ 1325.598743][ T32] r4:00000000 [ 1325.598762][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.598818][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.598858][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.598900][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a5e400 [ 1325.598921][ T32] r4:00000000 [ 1325.598940][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.599001][ T32] r9:83018005 r8:84518c00 r7:00000000 r6:83018000 r5:00001000 r4:7f7d1000 [ 1325.599025][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.599096][ T32] r5:00001000 r4:eccf7000 [ 1325.599119][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.599156][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.599195][ T32] r5:85c5178c r4:85c51400 [ 1325.599213][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.599277][ T32] r7:dddced80 r6:83018000 r5:85c5178c r4:84c09280 [ 1325.599301][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.599366][ T32] r10:61c88647 r9:84518c00 r8:84c092ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.599390][ T32] r4:84c09280 [ 1325.599410][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.599452][ T32] r10:00000000 r9:84c09280 r8:8027f5e8 r7:dfd31e60 r6:84db0800 r5:84518c00 [ 1325.599473][ T32] r4:00000001 [ 1325.599490][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.599524][ T32] Exception stack(0xdfd89fb0 to 0xdfd89ff8) [ 1325.599570][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.599601][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.599651][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.599686][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.599848][ T32] r4:84c08c40 ** 1 printk messages dropped ** [ 1325.620670][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1325.621275][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1325.621554][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 9 printk messages dropped ** [ 1325.622001][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 4 printk messages dropped ** [ 1325.622266][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 9 printk messages dropped ** [ 1325.622586][ T32] INFO: task kworker/0:69:3270 blocked for more than 452 seconds. ** 8 printk messages dropped ** [ 1325.622960][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 9 printk messages dropped ** [ 1325.623350][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1325.623514][ T32] r5:00001000 r4:ed6a9000 [ 1325.623533][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1325.623712][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1325.624142][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1325.624756][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 10 printk messages dropped ** [ 1325.625112][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 7 printk messages dropped ** [ 1325.625410][ T32] r5:00001000 r4:e47a2000 ** 5 printk messages dropped ** [ 1325.625591][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1325.625913][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1325.626209][ T32] task:kworker/0:70 state:D stack:0 pid:3272 tgid:3272 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1325.626739][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1325.626914][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1325.627104][ T32] r5:00001000 r4:dfd55000 [ 1325.627127][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1325.627299][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1325.627608][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1325.628313][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.628335][ T32] r4:00000000 [ 1325.628354][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.628410][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.628441][ T32] dd20: c3a34000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.628477][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.628540][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.628576][ T32] r5:80070013 r4:80239bb0 [ 1325.628598][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.628641][ T32] r4:82ac11a4 [ 1325.628661][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.628707][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.628728][ T32] r4:e883ddc0 [ 1325.628746][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.628798][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.628843][ T32] r4:00000000 [ 1325.628867][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.628910][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.628932][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.628982][ T32] r5:00001000 r4:e47a2000 [ 1325.629024][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.629074][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.629136][ T32] r5:84fe978c r4:84fe9400 [ 1325.629160][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.629228][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.629251][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.629305][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.629352][ T32] r4:8454d880 [ 1325.629373][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.629415][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.629436][ T32] r4:00000001 [ 1325.629475][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.629514][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.629560][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.629600][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.629629][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.629686][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.629756][ T32] r4:84e5a440 [ 1325.654210][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.654264][ T32] INFO: task kworker/0:71:3275 blocked for more than 452 seconds. [ 1325.654341][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.654390][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.654416][ T32] task:kworker/0:71 state:D stack:0 pid:3275 tgid:3275 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.654477][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.654583][ T32] Call trace: [ 1325.654641][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.654722][ T32] r10:8291880c r9:dfdbdd84 r8:00000002 r7:60000013 r6:dfdbdd8c r5:84eb3000 [ 1325.654757][ T32] r4:84eb3000 [ 1325.654790][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.654838][ T32] r5:84eb3000 r4:82918808 [ 1325.654859][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.654895][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.654936][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfdbde08 [ 1325.654976][ T32] r4:00000000 [ 1325.654998][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.655059][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.655106][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.655170][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bfa680 [ 1325.655194][ T32] r4:00000000 [ 1325.655233][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.655302][ T32] r9:83018005 r8:84eb3000 r7:00000000 r6:83018000 r5:00001000 r4:7f879000 [ 1325.655347][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.655391][ T32] r5:00001000 r4:edeb1000 [ 1325.655419][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.655519][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1325.655635][ T32] r7:dddced80 r6:83018000 r5:84c9ab8c r4:84c09400 ** 5 printk messages dropped ** [ 1325.655923][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1325.656105][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1325.656860][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 7 printk messages dropped ** [ 1325.657140][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1325.657370][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 7 printk messages dropped ** [ 1325.657687][ T32] r5:84fe978c r4:84fe9400 ** 4 printk messages dropped ** [ 1325.657886][ T32] r4:8454d880 ** 6 printk messages dropped ** [ 1325.658144][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1325.658517][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1325.658792][ T32] r5:84eb1800 r4:82918808 ** 4 printk messages dropped ** [ 1325.658994][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1325.659325][ T32] r5:00001000 r4:edc8b000 [ 1325.659362][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.659405][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1325.659593][ T32] r10:61c88647 r9:84eb1800 r8:84c094ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1325.677565][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1325.678428][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 7 printk messages dropped ** [ 1325.678771][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1325.679159][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1325.679621][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1325.686521][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1325.686876][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.686947][ T32] Call trace: [ 1325.686999][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.687080][ T32] r10:8291880c r9:dfdd5d84 r8:00000002 r7:60000113 r6:dfdd5d8c r5:84eb0000 [ 1325.687106][ T32] r4:84eb0000 [ 1325.687127][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.687208][ T32] r5:84eb0000 r4:82918808 [ 1325.687251][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.687291][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.687332][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfdd5e08 [ 1325.687353][ T32] r4:00000000 [ 1325.687391][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.687448][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.687513][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.687559][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d40440 [ 1325.687580][ T32] r4:00000000 [ 1325.687599][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.687662][ T32] r9:83018005 r8:84eb0000 r7:00000000 r6:83018000 r5:00001000 r4:7f8d9000 [ 1325.687707][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.687752][ T32] r5:00001000 r4:ee00b000 [ 1325.687792][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.687835][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.687876][ T32] r5:85d4cb8c r4:85d4c800 [ 1325.687895][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.687960][ T32] r7:dddced80 r6:83018000 r5:85d4cb8c r4:84c09500 [ 1325.688012][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.688063][ T32] r10:61c88647 r9:84eb0000 r8:84c0952c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.688085][ T32] r4:84c09500 [ 1325.688125][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.688172][ T32] r10:00000000 r9:84c09500 r8:8027f5e8 r7:dfd31e60 r6:84db0a80 r5:84eb0000 [ 1325.688194][ T32] r4:00000001 [ 1325.688233][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.688292][ T32] Exception stack(0xdfdd5fb0 to 0xdfdd5ff8) [ 1325.688341][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.688371][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.688398][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.688425][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.688445][ T32] r4:84dbb000 [ 1325.689005][ T32] INFO: task kworker/0:73:3279 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.689059][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.689138][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.689207][ T32] Call trace: [ 1325.689266][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.689344][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.689390][ T32] r4:00000000 [ 1325.689413][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.689537][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.689590][ T32] dd20: c439b000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.689660][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.689785][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.702334][ T32] r5:80070013 r4:80239bb0 [ 1325.702381][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.702452][ T32] r4:82ac11a4 [ 1325.702496][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.702576][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.702603][ T32] r4:e883ddc0 [ 1325.702645][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.702718][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.702753][ T32] r4:00000000 [ 1325.702775][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.702821][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.702841][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.702883][ T32] r5:00001000 r4:e47a2000 [ 1325.702903][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.702962][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.703008][ T32] r5:84fe978c r4:84fe9400 [ 1325.703036][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.703084][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.703105][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.703148][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.703182][ T32] r4:8454d880 [ 1325.703204][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.703269][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.703294][ T32] r4:00000001 [ 1325.703313][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.703360][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.703393][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.703420][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.703460][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.703491][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.703513][ T32] r4:84e5a440 [ 1325.703556][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.703589][ T32] INFO: task kworker/1:15:3281 blocked for more than 452 seconds. [ 1325.703651][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.703698][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.703723][ T32] task:kworker/1:15 state:D stack:0 pid:3281 tgid:3281 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.703801][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.703848][ T32] Call trace: [ 1325.703914][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.703989][ T32] r10:8291880c r9:dfdb9d84 r8:00000002 r7:60000113 r6:dfdb9d8c r5:84eb3c00 [ 1325.704014][ T32] r4:84eb3c00 [ 1325.704041][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.704096][ T32] r5:84eb3c00 r4:82918808 [ 1325.704118][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 1 printk messages dropped ** [ 1325.704195][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfdb9e08 ** 8 printk messages dropped ** [ 1325.704533][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.704592][ T32] r5:00001000 r4:ec9fb000 ** 4 printk messages dropped ** [ 1325.704853][ T32] r7:ddde2d80 r6:83018200 r5:85a18b8c r4:84db0b00 ** 5 printk messages dropped ** [ 1325.705099][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1325.705285][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1325.706298][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 6 printk messages dropped ** [ 1325.706506][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1325.706804][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 7 printk messages dropped ** [ 1325.707169][ T32] r5:84fe978c r4:84fe9400 ** 4 printk messages dropped ** [ 1325.707317][ T32] r4:8454d880 ** 5 printk messages dropped ** [ 1325.707608][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1325.707896][ T32] task:kworker/0:74 state:D stack:0 pid:3284 tgid:3284 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1325.708388][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfdf9e08 ** 8 printk messages dropped ** [ 1325.708730][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.708769][ T32] r5:00001000 r4:ee337000 ** 2 printk messages dropped ** [ 1325.708865][ T32] r5:85d4d38c r4:85d4d000 ** 2 printk messages dropped ** [ 1325.709007][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1325.709450][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.709480][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.709522][ T32] r4:84dbb240 [ 1325.732846][ T32] INFO: task kworker/0:74:3284 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.732944][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.733098][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.733213][ T32] Call trace: [ 1325.733251][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.733309][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.733333][ T32] r4:00000000 [ 1325.733363][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.733405][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.733474][ T32] dd20: c4ec1000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.733509][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.733535][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.733579][ T32] r5:80070013 r4:80239bb0 [ 1325.733623][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.733675][ T32] r4:82ac11a4 [ 1325.733695][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.733754][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.733784][ T32] r4:e883ddc0 [ 1325.733824][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.733872][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.733893][ T32] r4:00000000 [ 1325.733933][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.734012][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.734054][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.734109][ T32] r5:00001000 r4:e47a2000 [ 1325.734131][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.734170][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.734234][ T32] r5:84fe978c r4:84fe9400 [ 1325.734257][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.734302][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.734322][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.734365][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.734409][ T32] r4:8454d880 [ 1325.734432][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.734476][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.734518][ T32] r4:00000001 [ 1325.734549][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.734621][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.734677][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.734710][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.734737][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.734786][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.734810][ T32] r4:84e5a440 [ 1325.734833][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.734872][ T32] INFO: task kworker/0:75:3286 blocked for more than 452 seconds. [ 1325.734928][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.734965][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.735010][ T32] task:kworker/0:75 state:D stack:0 pid:3286 tgid:3286 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.735067][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.735106][ T32] Call trace: [ 1325.735177][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.735229][ T32] r10:8291880c r9:dfe01d84 r8:00000002 r7:60000113 r6:dfe01d8c r5:84eb6c00 [ 1325.735252][ T32] r4:84eb6c00 [ 1325.735292][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.735336][ T32] r5:84eb6c00 r4:82918808 [ 1325.735354][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.735389][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.735430][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe01e08 [ 1325.735451][ T32] r4:00000000 [ 1325.735489][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.735526][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.735565][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.735628][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bed7c0 [ 1325.735662][ T32] r4:00000000 [ 1325.735684][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.735727][ T32] r9:83018005 r8:84eb6c00 r7:00000000 r6:83018000 r5:00001000 r4:7f9e5000 [ 1325.735748][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.735786][ T32] r5:00001000 r4:dfe21000 [ 1325.735865][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.735907][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.735947][ T32] r5:85d4e38c r4:85d4e000 [ 1325.735967][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1325.736059][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1325.736527][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1325.737345][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 11 printk messages dropped ** [ 1325.737814][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1325.738315][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1325.738832][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1325.739189][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1325.739517][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1325.750752][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.750801][ T32] r5:00001000 r4:eca3d000 ** 3 printk messages dropped ** [ 1325.750922][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1325.751073][ T32] r10:61c88647 r9:84eb2400 r8:84db0d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.751100][ T32] r4:84db0d00 [ 1325.751120][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.751175][ T32] r10:00000000 r9:84db0d00 r8:8027f5e8 r7:df9d5e60 r6:84db0d80 r5:84eb2400 [ 1325.751224][ T32] r4:00000001 [ 1325.751247][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.751286][ T32] Exception stack(0xdfe0dfb0 to 0xdfe0dff8) [ 1325.751345][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.751397][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.751427][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.751456][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.751478][ T32] r4:84db8140 [ 1325.751990][ T32] INFO: task kworker/1:16:3287 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.752032][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.752138][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.752191][ T32] Call trace: [ 1325.752224][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.752273][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.752296][ T32] r4:00000000 [ 1325.752316][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.752353][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.752381][ T32] dd20: c4ec1000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.752409][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.752455][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.752482][ T32] r5:80070013 r4:80239bb0 [ 1325.752503][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.752548][ T32] r4:82ac11a4 [ 1325.752568][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.752614][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.752636][ T32] r4:e883ddc0 [ 1325.752654][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.752698][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.752719][ T32] r4:00000000 [ 1325.752737][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.752800][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.752848][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.752893][ T32] r5:00001000 r4:e47a2000 [ 1325.752913][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.752951][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.752991][ T32] r5:84fe978c r4:84fe9400 [ 1325.753010][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.753062][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.753083][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.753126][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.753170][ T32] r4:8454d880 [ 1325.753193][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.753257][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.753303][ T32] r4:00000001 [ 1325.753345][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.753384][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.753409][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.753437][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.753468][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.753496][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.753518][ T32] r4:84e5a440 [ 1325.753538][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.753586][ T32] INFO: task kworker/0:76:3289 blocked for more than 452 seconds. [ 1325.753645][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.753692][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.753718][ T32] task:kworker/0:76 state:D stack:0 pid:3289 tgid:3289 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.753764][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.753804][ T32] Call trace: [ 1325.753858][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.753916][ T32] r10:8291880c r9:dfe15d84 r8:00000002 r7:60000113 r6:dfe15d8c r5:84eb6000 [ 1325.753962][ T32] r4:84eb6000 [ 1325.753985][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.754025][ T32] r5:84eb6000 r4:82918808 [ 1325.754050][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.754086][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.754127][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe15e08 [ 1325.754149][ T32] r4:00000000 [ 1325.754203][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.754267][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.754311][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.754357][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852c0400 [ 1325.754401][ T32] r4:00000000 [ 1325.754425][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.754472][ T32] r9:83018005 r8:84eb6000 r7:00000000 r6:83018000 r5:00001000 r4:7f0ad000 [ 1325.754502][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.754546][ T32] r5:00001000 r4:dfa19000 [ 1325.754566][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.754603][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1325.754781][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1325.755206][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1325.755898][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 9 printk messages dropped ** [ 1325.756265][ T32] r4:e883ddc0 ** 5 printk messages dropped ** [ 1325.756558][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1325.756874][ T32] r4:8454d880 ** 6 printk messages dropped ** [ 1325.757097][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1325.757462][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.757503][ T32] Call trace: [ 1325.757532][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.757578][ T32] r10:8291880c r9:dfe19d84 r8:00000002 r7:60000013 r6:dfe19d8c r5:84eb4800 [ 1325.757600][ T32] r4:84eb4800 [ 1325.757619][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.757676][ T32] r5:84eb4800 r4:82918808 [ 1325.757729][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.757778][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.757823][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe19e08 [ 1325.757845][ T32] r4:00000000 [ 1325.757884][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.757942][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.757988][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.758035][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bed6c0 [ 1325.758058][ T32] r4:00000000 [ 1325.758078][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.758139][ T32] r9:83018005 r8:84eb4800 r7:00000000 r6:83018000 r5:00001000 r4:7f9e3000 [ 1325.758186][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.758270][ T32] r5:00001000 r4:edbfb000 [ 1325.758314][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.758357][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.758407][ T32] r5:85d4df8c r4:85d4dc00 [ 1325.758429][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.758508][ T32] r7:dddced80 r6:83018000 r5:85d4df8c r4:84c09700 [ 1325.758532][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.758597][ T32] r10:61c88647 r9:84eb4800 r8:84c0972c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1325.758642][ T32] r4:84c09700 [ 1325.758665][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.758736][ T32] r10:00000000 r9:84c09700 r8:8027f5e8 r7:dfe15e60 r6:84db0e80 r5:84eb4800 [ 1325.758770][ T32] r4:00000001 [ 1325.758791][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.758857][ T32] Exception stack(0xdfe19fb0 to 0xdfe19ff8) [ 1325.758906][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1325.758937][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.758972][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.759024][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.759066][ T32] r4:84dbb440 [ 1325.759404][ T32] INFO: task kworker/0:77:3290 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.759439][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.759514][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.759561][ T32] Call trace: [ 1325.759610][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.759661][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.759684][ T32] r4:00000000 [ 1325.759730][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.786981][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.787057][ T32] dd20: c53a0000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.787133][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.787163][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1325.787464][ T32] r4:e883ddc0 ** 5 printk messages dropped ** [ 1325.787657][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1325.788025][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1325.788396][ T32] r4:84e5a440 ** 1 printk messages dropped ** [ 1325.788495][ T32] INFO: task kworker/0:78:3292 blocked for more than 452 seconds. [ 1325.788532][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.788556][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.788578][ T32] task:kworker/0:78 state:D stack:0 pid:3292 tgid:3292 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.788635][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.788679][ T32] Call trace: [ 1325.788743][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.788801][ T32] r10:8291880c r9:dfe29d84 r8:00000002 r7:60000113 r6:dfe29d8c r5:84708c00 [ 1325.788842][ T32] r4:84708c00 [ 1325.788866][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.788917][ T32] r5:84708c00 r4:82918808 [ 1325.788939][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.788978][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.789020][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe29e08 [ 1325.789052][ T32] r4:00000000 [ 1325.789071][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.789106][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.789142][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.789184][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bed5c0 [ 1325.789205][ T32] r4:00000000 [ 1325.789225][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.789307][ T32] r9:83018005 r8:84708c00 r7:00000000 r6:83018000 r5:00001000 r4:7f9e1000 [ 1325.789332][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.789383][ T32] r5:00001000 r4:edb73000 [ 1325.789430][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.789521][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.789596][ T32] r5:85d4db8c r4:85d4d800 [ 1325.789620][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.789665][ T32] r7:dddced80 r6:83018000 r5:85d4db8c r4:84c09780 [ 1325.789695][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1325.802699][ T32] r10:00000000 r9:84c09780 r8:8027f5e8 r7:dfe15e60 r6:84db0f00 r5:84708c00 ** 9 printk messages dropped ** [ 1325.803466][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1325.803955][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1325.804278][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 7 printk messages dropped ** [ 1325.804561][ T32] r5:84fe978c r4:84fe9400 ** 3 printk messages dropped ** [ 1325.804746][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1325.805224][ T32] r4:84e5a440 ** 3 printk messages dropped ** [ 1325.805330][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 8 printk messages dropped ** [ 1325.805635][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1325.806013][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.806071][ T32] r5:00001000 r4:eda6b000 ** 2 printk messages dropped ** [ 1325.806245][ T32] r5:85d4d78c r4:85d4d400 ** 3 printk messages dropped ** [ 1325.806448][ T32] r10:61c88647 r9:84ec6c00 r8:84c0982c r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1325.806791][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1325.807563][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1325.807811][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1325.808173][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 9 printk messages dropped ** [ 1325.808522][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 4 printk messages dropped ** [ 1325.808667][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 11 printk messages dropped ** [ 1325.809090][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1325.809537][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1325.832950][ T32] r5:00001000 r4:eb43f000 [ 1325.832970][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1325.833080][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1325.833488][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1325.833526][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.833556][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.833585][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.833627][ T32] r4:84db89c0 [ 1325.834118][ T32] INFO: task kworker/1:17:3301 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.834166][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.834258][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.834306][ T32] Call trace: [ 1325.834338][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.834386][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.834408][ T32] r4:00000000 [ 1325.834429][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.834464][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.834504][ T32] dd20: c5eab000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.834570][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.834599][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.834646][ T32] r5:80070013 r4:80239bb0 [ 1325.834690][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.834738][ T32] r4:82ac11a4 [ 1325.834779][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.834830][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.834866][ T32] r4:e883ddc0 [ 1325.834888][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.834954][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.835024][ T32] r4:00000000 [ 1325.835054][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.835098][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.835141][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.835187][ T32] r5:00001000 r4:e47a2000 [ 1325.835207][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.835246][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.835322][ T32] r5:84fe978c r4:84fe9400 [ 1325.835346][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.835392][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.835413][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.835457][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.835478][ T32] r4:8454d880 [ 1325.835517][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.835582][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.835608][ T32] r4:00000001 [ 1325.835648][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.835687][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.835733][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.835784][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.835814][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.835843][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.835866][ T32] r4:84e5a440 [ 1325.835887][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.835942][ T32] INFO: task kworker/1:18:3303 blocked for more than 452 seconds. [ 1325.836000][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.836032][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.836059][ T32] task:kworker/1:18 state:D stack:0 pid:3303 tgid:3303 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.836105][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.836165][ T32] Call trace: [ 1325.836198][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.836247][ T32] r10:8291880c r9:dfa59d84 r8:00000002 r7:60000113 r6:dfa59d8c r5:84c18000 [ 1325.836291][ T32] r4:84c18000 [ 1325.836314][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.836355][ T32] r5:84c18000 r4:82918808 [ 1325.836374][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.836409][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1325.836545][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1325.836831][ T32] r5:00001000 r4:ecb65000 [ 1325.836874][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1325.837010][ T32] r5:85a19f8c r4:85a19c00 ** 3 printk messages dropped ** [ 1325.837179][ T32] r10:61c88647 r9:84c18000 r8:84e8102c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1325.837582][ T32] r4:84db8b80 ** 2 printk messages dropped ** [ 1325.838061][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1325.838439][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1325.838766][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1325.839196][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1325.839583][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1325.850654][ T32] Call trace: ** 6 printk messages dropped ** [ 1325.850989][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1325.851468][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.851513][ T32] r5:00001000 r4:ecb6d000 ** 4 printk messages dropped ** [ 1325.851702][ T32] r7:ddde2d80 r6:83018200 r5:85a1a38c r4:84e81080 ** 5 printk messages dropped ** [ 1325.852000][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1325.852251][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1325.853096][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1325.853302][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1325.853593][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1325.854133][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1325.854387][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.854440][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.854470][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.854498][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.854520][ T32] r4:84e5a440 [ 1325.854541][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.854601][ T32] INFO: task kworker/1:20:3308 blocked for more than 452 seconds. [ 1325.854662][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.854710][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.854736][ T32] task:kworker/1:20 state:D stack:0 pid:3308 tgid:3308 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.854804][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.854866][ T32] Call trace: [ 1325.854899][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.854972][ T32] r10:8291880c r9:dfaa5d84 r8:00000002 r7:60000113 r6:dfaa5d8c r5:84c1a400 [ 1325.854998][ T32] r4:84c1a400 [ 1325.855042][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.855108][ T32] r5:84c1a400 r4:82918808 [ 1325.855130][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.855167][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.855209][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfaa5e08 [ 1325.855231][ T32] r4:00000000 [ 1325.855284][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.855323][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.855381][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.855447][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a06300 [ 1325.855472][ T32] r4:00000000 [ 1325.855515][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.855560][ T32] r9:83018205 r8:84c1a400 r7:00000000 r6:83018200 r5:00001000 r4:7f0b9000 [ 1325.855591][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.855634][ T32] r5:00001000 r4:ecb75000 [ 1325.855680][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.855745][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.855788][ T32] r5:85a1a78c r4:85a1a400 [ 1325.855808][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.855851][ T32] r7:ddde2d80 r6:83018200 r5:85a1a78c r4:84e81100 [ 1325.855891][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.855939][ T32] r10:61c88647 r9:84c1a400 r8:84e8112c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.855962][ T32] r4:84e81100 [ 1325.855981][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.856022][ T32] r10:00000000 r9:84e81100 r8:8027f5e8 r7:dfa41e60 r6:84c09c80 r5:84c1a400 [ 1325.856070][ T32] r4:00000001 [ 1325.856094][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.856131][ T32] Exception stack(0xdfaa5fb0 to 0xdfaa5ff8) [ 1325.856158][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.856185][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.856232][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.856264][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.856295][ T32] r4:84db8c80 [ 1325.856673][ T32] INFO: task kworker/1:20:3308 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.856734][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.856811][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.856921][ T32] Call trace: [ 1325.856955][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.857062][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.857112][ T32] r4:00000000 [ 1325.857157][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.857233][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.857265][ T32] dd20: c5eab000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.857299][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.857325][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.857389][ T32] r5:80070013 r4:80239bb0 [ 1325.857414][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.857458][ T32] r4:82ac11a4 [ 1325.857478][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.857523][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.857588][ T32] r4:e883ddc0 [ 1325.857630][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1325.858009][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1325.858371][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 9 printk messages dropped ** [ 1325.858702][ T32] INFO: task kworker/1:21:3310 blocked for more than 452 seconds. ** 7 printk messages dropped ** [ 1325.859036][ T32] r4:84c1bc00 ** 5 printk messages dropped ** [ 1325.859242][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1325.859444][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1325.859639][ T32] r5:00001000 r4:dfb2b000 [ 1325.859661][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1325.881972][ T32] r7:ddde2d80 r6:83018200 r5:85a1ab8c r4:84e81180 ** 7 printk messages dropped ** [ 1325.882290][ T32] Exception stack(0xdfac5fb0 to 0xdfac5ff8) ** 6 printk messages dropped ** [ 1325.883053][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1325.883741][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1325.883947][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1325.884208][ T32] r5:84fe978c r4:84fe9400 ** 3 printk messages dropped ** [ 1325.884350][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 12 printk messages dropped ** [ 1325.884855][ T32] INFO: task kworker/1:22:3314 blocked for more than 452 seconds. ** 7 printk messages dropped ** [ 1325.885224][ T32] r4:84c1c800 ** 6 printk messages dropped ** [ 1325.885536][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1325.885871][ T32] r5:00001000 r4:eaa0d000 [ 1325.885890][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1325.886033][ T32] r7:ddde2d80 r6:83018200 r5:85a1af8c r4:84e81200 [ 1325.886076][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.886144][ T32] r10:61c88647 r9:84c1c800 r8:84e8122c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.886169][ T32] r4:84e81200 [ 1325.886226][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.886275][ T32] r10:00000000 r9:84e81200 r8:8027f5e8 r7:dfa41e60 r6:84c09e80 r5:84c1c800 [ 1325.886298][ T32] r4:00000001 [ 1325.886318][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.886352][ T32] Exception stack(0xdfaf5fb0 to 0xdfaf5ff8) [ 1325.886377][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1325.886406][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.886452][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.886504][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.886530][ T32] r4:84db8dc0 [ 1325.886848][ T32] INFO: task kworker/1:22:3314 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.886899][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.887000][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.887054][ T32] Call trace: [ 1325.887096][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.887146][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.887192][ T32] r4:00000000 [ 1325.887214][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.887253][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.887301][ T32] dd20: c63c9000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.887333][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.887358][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.887401][ T32] r5:80070013 r4:80239bb0 [ 1325.887425][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.887468][ T32] r4:82ac11a4 [ 1325.887510][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.887559][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.887601][ T32] r4:e883ddc0 [ 1325.887623][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.887666][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.887689][ T32] r4:00000000 [ 1325.887708][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.887760][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.887808][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.887854][ T32] r5:00001000 r4:e47a2000 [ 1325.887874][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.887921][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.888018][ T32] r5:84fe978c r4:84fe9400 [ 1325.888048][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.888095][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.888140][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.888211][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.888236][ T32] r4:8454d880 [ 1325.888256][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.888328][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.888354][ T32] r4:00000001 [ 1325.888374][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.888420][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.888469][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.888501][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.888527][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.888636][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.888661][ T32] r4:84e5a440 [ 1325.888683][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.888708][ T32] INFO: task kworker/1:23:3315 blocked for more than 452 seconds. [ 1325.888764][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.888790][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.888811][ T32] task:kworker/1:23 state:D stack:0 pid:3315 tgid:3315 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.888854][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.888894][ T32] Call trace: [ 1325.888943][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.888994][ T32] r10:8291880c r9:dfb01d84 r8:00000002 r7:60000113 r6:dfb01d8c r5:84c1e000 [ 1325.889017][ T32] r4:84c1e000 [ 1325.889046][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.889086][ T32] r5:84c1e000 r4:82918808 [ 1325.889127][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.889168][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.889210][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb01e08 [ 1325.889252][ T32] r4:00000000 [ 1325.889275][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.889312][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.889348][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.889389][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a06600 [ 1325.889410][ T32] r4:00000000 [ 1325.889430][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.889481][ T32] r9:83018205 r8:84c1e000 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 ** 1 printk messages dropped ** [ 1325.889545][ T32] r5:00001000 r4:eb099000 [ 1325.889564][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.889602][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1325.917358][ T32] r7:ddde2d80 r6:83018200 r5:85a1b38c r4:84e81280 ** 8 printk messages dropped ** [ 1325.918448][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1325.934376][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1325.934757][ T32] dd20: c6bd5000 edddd000 00000001 80239b98 7fb69000 00000001 ** 7 printk messages dropped ** [ 1325.935024][ T32] r4:e883ddc0 ** 5 printk messages dropped ** [ 1325.935353][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1325.935786][ T32] r4:8454d880 ** 5 printk messages dropped ** [ 1325.935979][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1325.936422][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1325.936895][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1325.937778][ T32] r5:00001000 r4:eb531000 [ 1325.937814][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1325.937915][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1325.938375][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.938433][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.938487][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.938543][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.938611][ T32] r4:84dbbb40 [ 1325.939473][ T32] INFO: task kworker/1:24:3317 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1325.939544][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.939735][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.952885][ T32] Call trace: [ 1325.952986][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1325.953139][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1325.953221][ T32] r4:00000000 [ 1325.953287][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1325.953379][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1325.953448][ T32] dd20: c6c4b000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1325.953489][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1325.953546][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1325.953574][ T32] r5:80070013 r4:80239bb0 [ 1325.953650][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1325.953707][ T32] r4:82ac11a4 [ 1325.953728][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1325.953775][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1325.953797][ T32] r4:e883ddc0 [ 1325.953816][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1325.953878][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1325.953930][ T32] r4:00000000 [ 1325.954011][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1325.954152][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1325.954252][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1325.954356][ T32] r5:00001000 r4:e47a2000 [ 1325.954401][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.954478][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1325.954566][ T32] r5:84fe978c r4:84fe9400 [ 1325.954613][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1325.954702][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1325.954762][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1325.954893][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1325.955003][ T32] r4:8454d880 [ 1325.955057][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1325.955177][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1325.955229][ T32] r4:00000001 [ 1325.955317][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1325.955424][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1325.955486][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1325.955547][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1325.955600][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1325.955686][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1325.955746][ T32] r4:84e5a440 [ 1325.955883][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1325.955949][ T32] INFO: task kworker/1:25:3320 blocked for more than 452 seconds. [ 1325.956013][ T32] Not tainted 6.15.0-syzkaller #0 [ 1325.956069][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1325.956188][ T32] task:kworker/1:25 state:D stack:0 pid:3320 tgid:3320 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1325.956299][ T32] Workqueue: events bpf_prog_free_deferred [ 1325.956407][ T32] Call trace: [ 1325.956576][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1325.956715][ T32] r10:8291880c r9:dfb25d84 r8:00000002 r7:60000113 r6:dfb25d8c r5:84ec5400 [ 1325.956769][ T32] r4:84ec5400 [ 1325.956817][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1325.956926][ T32] r5:84ec5400 r4:82918808 [ 1325.956998][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1325.957088][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1325.957181][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb25e08 [ 1325.957226][ T32] r4:00000000 [ 1325.957283][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1325.957362][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1325.957458][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1325.957813][ T32] r5:00001000 r4:eb661000 [ 1325.957890][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1325.957983][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1325.958364][ T32] r10:61c88647 r9:84ec5400 r8:84e813ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1325.958887][ T32] r4:84dbbb40 ** 4 printk messages dropped ** [ 1325.959694][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 7 printk messages dropped ** [ 1325.978281][ T32] r5:80070013 r4:80239bb0 ** 7 printk messages dropped ** [ 1325.978902][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1325.979417][ T32] r5:84fe978c r4:84fe9400 ** 3 printk messages dropped ** [ 1325.979711][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1325.995392][ T32] r4:84e5a440 ** 4 printk messages dropped ** [ 1325.995696][ T32] task:kworker/1:26 state:D stack:0 pid:3322 tgid:3322 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1325.996649][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1325.997253][ T32] r5:00001000 r4:ecbf3000 [ 1325.997304][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1325.997638][ T32] r7:ddde2d80 r6:83018200 r5:85a2338c r4:84e81400 ** 8 printk messages dropped ** [ 1325.998233][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1325.999702][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 7 printk messages dropped ** [ 1326.011015][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1326.011496][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 9 printk messages dropped ** [ 1326.012249][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 1 printk messages dropped ** [ 1326.012405][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.012451][ T32] r4:8454d880 [ 1326.012496][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.012591][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.012635][ T32] r4:00000001 [ 1326.012681][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.012779][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.012840][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.012925][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.012988][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.013052][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.013102][ T32] r4:84e5a440 [ 1326.013153][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.013212][ T32] INFO: task kworker/1:27:3323 blocked for more than 452 seconds. [ 1326.013275][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.013336][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.013383][ T32] task:kworker/1:27 state:D stack:0 pid:3323 tgid:3323 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.013506][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.013594][ T32] Call trace: [ 1326.013663][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.013759][ T32] r10:8291880c r9:dfae9d84 r8:00000002 r7:60000113 r6:dfae9d8c r5:8470a400 [ 1326.013816][ T32] r4:8470a400 [ 1326.013873][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.013957][ T32] r5:8470a400 r4:82918808 [ 1326.014002][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.014086][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.014180][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfae9e08 [ 1326.014254][ T32] r4:00000000 [ 1326.014305][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.014388][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.014470][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.014558][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a06a00 [ 1326.014603][ T32] r4:00000000 [ 1326.014647][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.014739][ T32] r9:83018205 r8:8470a400 r7:00000000 r6:83018200 r5:00001000 r4:7f033000 [ 1326.014811][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.014900][ T32] r5:00001000 r4:eb835000 [ 1326.014948][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.015030][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.015121][ T32] r5:85a1c38c r4:85a1c000 [ 1326.015168][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.015272][ T32] r7:ddde2d80 r6:83018200 r5:85a1c38c r4:84e81480 [ 1326.015329][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.015425][ T32] r10:61c88647 r9:8470a400 r8:84e814ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.015476][ T32] r4:84e81480 [ 1326.015518][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.015605][ T32] r10:00000000 r9:84e81480 r8:8027f5e8 r7:dfb49e60 r6:84e81500 r5:8470a400 [ 1326.015654][ T32] r4:00000001 [ 1326.015698][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 10 printk messages dropped ** [ 1326.017357][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 18 printk messages dropped ** [ 1326.018672][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 18 printk messages dropped ** [ 1326.042318][ T32] r4:84e5a440 ** 8 printk messages dropped ** [ 1326.043019][ T32] r10:8291880c r9:dfb3dd84 r8:00000002 r7:60000013 r6:dfb3dd8c r5:8470b000 ** 8 printk messages dropped ** [ 1326.043607][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1326.044123][ T32] r5:00001000 r4:ecbcf000 [ 1326.044167][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1326.044379][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1326.044790][ T32] r10:00000000 r9:84e81580 r8:8027f5e8 r7:dfb49e60 r6:84e81600 r5:8470b000 ** 3 printk messages dropped ** [ 1326.045058][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.045118][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.045178][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.045280][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.045338][ T32] r4:84db62c0 [ 1326.045942][ T32] INFO: task kworker/1:28:3327 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.045985][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.046077][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.046227][ T32] Call trace: [ 1326.046279][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.046340][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.046364][ T32] r4:00000000 [ 1326.046384][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.046422][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.046451][ T32] dd20: c79b0000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.046479][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.046526][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.046564][ T32] r5:80070013 r4:80239bb0 [ 1326.046587][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.046635][ T32] r4:82ac11a4 [ 1326.046687][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.046742][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.046793][ T32] r4:e883ddc0 [ 1326.046818][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.046867][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.046890][ T32] r4:00000000 [ 1326.046911][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.046987][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.047018][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.047069][ T32] r5:00001000 r4:e47a2000 [ 1326.047090][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.047159][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.047214][ T32] r5:84fe978c r4:84fe9400 [ 1326.047236][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.047284][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.047314][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.047362][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.047384][ T32] r4:8454d880 [ 1326.047404][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.047448][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.047469][ T32] r4:00000001 [ 1326.047512][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.047582][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.047608][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.047638][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.047667][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.047694][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.047716][ T32] r4:84e5a440 [ 1326.047735][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.047759][ T32] INFO: task kworker/1:29:3328 blocked for more than 452 seconds. [ 1326.047790][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.047813][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.047835][ T32] task:kworker/1:29 state:D stack:0 pid:3328 tgid:3328 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.047940][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.048012][ T32] Call trace: [ 1326.048048][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.048099][ T32] r10:8291880c r9:dfa09d84 r8:00000002 r7:60000013 r6:dfa09d8c r5:8470bc00 ** 7 printk messages dropped ** [ 1326.048413][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1326.048733][ T32] r5:00001000 r4:ec71b000 ** 4 printk messages dropped ** [ 1326.048952][ T32] r7:ddde2d80 r6:83018200 r5:85a1eb8c r4:84e81680 ** 10 printk messages dropped ** [ 1326.049398][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 9 printk messages dropped ** [ 1326.068761][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 16 printk messages dropped ** [ 1326.069393][ T32] r5:00001000 r4:e47a2000 ** 9 printk messages dropped ** [ 1326.080303][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 11 printk messages dropped ** [ 1326.080736][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 10 printk messages dropped ** [ 1326.081462][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb69e08 ** 4 printk messages dropped ** [ 1326.081704][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d9b280 ** 4 printk messages dropped ** [ 1326.081913][ T32] r5:00001000 r4:ecbe7000 ** 2 printk messages dropped ** [ 1326.082041][ T32] r5:85a22f8c r4:85a22c00 ** 3 printk messages dropped ** [ 1326.082169][ T32] r10:61c88647 r9:8470c800 r8:84e817ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1326.082590][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1326.083503][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1326.083673][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1326.083977][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1326.084394][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1326.084505][ T32] r4:00000001 [ 1326.084548][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.084586][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.084612][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.084639][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.084665][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.084720][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.084746][ T32] r4:84e5a440 [ 1326.084767][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.084818][ T32] INFO: task kworker/1:31:3332 blocked for more than 452 seconds. [ 1326.084849][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.084898][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.084948][ T32] task:kworker/1:31 state:D stack:0 pid:3332 tgid:3332 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.085014][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.085103][ T32] Call trace: [ 1326.085138][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.085186][ T32] r10:8291880c r9:dfb95d84 r8:00000002 r7:60000013 r6:dfb95d8c r5:8470d400 [ 1326.085208][ T32] r4:8470d400 [ 1326.085228][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.085266][ T32] r5:8470d400 r4:82918808 [ 1326.085285][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.085326][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.085392][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb95e08 [ 1326.085420][ T32] r4:00000000 [ 1326.085439][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.085474][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.085509][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.085550][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d9b040 [ 1326.085571][ T32] r4:00000000 [ 1326.085591][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.085635][ T32] r9:83018205 r8:8470d400 r7:00000000 r6:83018200 r5:00001000 r4:7f0c3000 [ 1326.085655][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.085721][ T32] r5:00001000 r4:ecbdb000 [ 1326.085745][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.085840][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.085886][ T32] r5:85a22b8c r4:85a22800 [ 1326.085906][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.085959][ T32] r7:ddde2d80 r6:83018200 r5:85a22b8c r4:84e81900 [ 1326.086002][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.086053][ T32] r10:61c88647 r9:8470d400 r8:84e8192c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.086077][ T32] r4:84e81900 [ 1326.086104][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.086151][ T32] r10:00000000 r9:84e81900 r8:8027f5e8 r7:dfb3de60 r6:84e81980 r5:8470d400 [ 1326.086175][ T32] r4:00000001 [ 1326.086235][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.086284][ T32] Exception stack(0xdfb95fb0 to 0xdfb95ff8) [ 1326.086319][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.086348][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.086375][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.086403][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.086449][ T32] r4:84db6680 [ 1326.086797][ T32] INFO: task kworker/1:31:3332 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.086858][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.086945][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.086995][ T32] Call trace: [ 1326.087024][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.087134][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.087163][ T32] r4:00000000 [ 1326.087184][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.087222][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.087276][ T32] dd20: c82ec000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.087313][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.087339][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.087370][ T32] r5:80070013 r4:80239bb0 [ 1326.087416][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.087465][ T32] r4:82ac11a4 [ 1326.087485][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.087542][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.087593][ T32] r4:e883ddc0 [ 1326.087615][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.087661][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.087683][ T32] r4:00000000 [ 1326.087703][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.087746][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 1 printk messages dropped ** [ 1326.087810][ T32] r5:00001000 r4:e47a2000 ** 6 printk messages dropped ** [ 1326.088098][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1326.088386][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1326.088844][ T32] Call trace: ** 4 printk messages dropped ** [ 1326.089040][ T32] r5:8470e000 r4:82918808 ** 4 printk messages dropped ** [ 1326.089204][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1326.119398][ T32] r5:00001000 r4:ecb93000 [ 1326.119519][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1326.119805][ T32] r7:ddde2d80 r6:83018200 r5:85a2138c r4:84e81a00 ** 7 printk messages dropped ** [ 1326.120472][ T32] Exception stack(0xdfbadfb0 to 0xdfbadff8) ** 4 printk messages dropped ** [ 1326.120609][ T32] r4:84db68c0 ** 4 printk messages dropped ** [ 1326.121385][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 11 printk messages dropped ** [ 1326.121918][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 9 printk messages dropped ** [ 1326.122379][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1326.122714][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1326.122954][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1326.123325][ T32] Call trace: ** 7 printk messages dropped ** [ 1326.123674][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbc5e08 ** 8 printk messages dropped ** [ 1326.123987][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.124031][ T32] r5:00001000 r4:ecbc3000 [ 1326.124080][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.124125][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.124167][ T32] r5:85a2238c r4:85a22000 [ 1326.124187][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.124234][ T32] r7:ddde2d80 r6:83018200 r5:85a2238c r4:84e81b00 [ 1326.124283][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.124342][ T32] r10:61c88647 r9:8470ec00 r8:84e81b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.124422][ T32] r4:84e81b00 [ 1326.124447][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.124493][ T32] r10:00000000 r9:84e81b00 r8:8027f5e8 r7:dfbade60 r6:84e81b80 r5:8470ec00 [ 1326.124515][ T32] r4:00000001 [ 1326.124536][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.124572][ T32] Exception stack(0xdfbc5fb0 to 0xdfbc5ff8) [ 1326.124624][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.124657][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.124686][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.124745][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.124771][ T32] r4:84db6b00 [ 1326.125064][ T32] INFO: task kworker/1:33:3336 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.125101][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.125162][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.125236][ T32] Call trace: [ 1326.125304][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.125359][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.125406][ T32] r4:00000000 [ 1326.125432][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.125473][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.125502][ T32] dd20: c8767000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.125544][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.125603][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.125652][ T32] r5:80070013 r4:80239bb0 [ 1326.125697][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.125819][ T32] r4:82ac11a4 [ 1326.125872][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.125975][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.126020][ T32] r4:e883ddc0 [ 1326.126063][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.126163][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.126251][ T32] r4:00000000 [ 1326.126308][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.126405][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.126452][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.126548][ T32] r5:00001000 r4:e47a2000 [ 1326.126577][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.126619][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.126683][ T32] r5:84fe978c r4:84fe9400 [ 1326.126722][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.126772][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.126795][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.126841][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.126864][ T32] r4:8454d880 [ 1326.126882][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.126926][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.126949][ T32] r4:00000001 [ 1326.126968][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.127005][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.127031][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.127063][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.127091][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.127132][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.127168][ T32] r4:84e5a440 [ 1326.127193][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.127218][ T32] INFO: task kworker/1:34:3338 blocked for more than 452 seconds. [ 1326.127245][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.127279][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.127312][ T32] task:kworker/1:34 state:D stack:0 pid:3338 tgid:3338 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.127356][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.127418][ T32] Call trace: [ 1326.127454][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.127512][ T32] r10:8291880c r9:dfbe5d84 r8:00000002 r7:60000013 r6:dfbe5d8c r5:84709800 [ 1326.127541][ T32] r4:84709800 [ 1326.127562][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.127603][ T32] r5:84709800 r4:82918808 [ 1326.127623][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1326.127908][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a05e00 ** 4 printk messages dropped ** [ 1326.128147][ T32] r5:00001000 r4:ecbab000 [ 1326.128172][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1326.128354][ T32] r7:ddde2d80 r6:83018200 r5:85a21b8c r4:84e81c00 ** 8 printk messages dropped ** [ 1326.128732][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1326.129339][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1326.129682][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1326.148754][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1326.149323][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1326.149620][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1326.154408][ T32] Call trace: ** 5 printk messages dropped ** [ 1326.154704][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1326.155029][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a05f00 ** 4 printk messages dropped ** [ 1326.155244][ T32] r5:00001000 r4:ecbb7000 ** 1 printk messages dropped ** [ 1326.155333][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1326.155671][ T32] r10:00000000 r9:84e81d00 r8:8027f5e8 r7:dfbe5e60 r6:84e81d80 r5:84708000 ** 9 printk messages dropped ** [ 1326.156555][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1326.157178][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1326.157350][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1326.157828][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.157898][ T32] r4:8454d880 [ 1326.157959][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.158006][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.158050][ T32] r4:00000001 [ 1326.158073][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.158109][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.158134][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.158162][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.158207][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.158263][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.158313][ T32] r4:84e5a440 [ 1326.158338][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.158363][ T32] INFO: task kworker/1:36:3343 blocked for more than 452 seconds. [ 1326.158392][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.158414][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.158435][ T32] task:kworker/1:36 state:D stack:0 pid:3343 tgid:3343 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.158479][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.158565][ T32] Call trace: [ 1326.158622][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.158671][ T32] r10:8291880c r9:dfbf1d84 r8:00000002 r7:60000013 r6:dfbf1d8c r5:838b3000 [ 1326.158727][ T32] r4:838b3000 [ 1326.158749][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.158790][ T32] r5:838b3000 r4:82918808 [ 1326.158810][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.158845][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.158885][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbf1e08 [ 1326.158928][ T32] r4:00000000 [ 1326.158951][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.158987][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.159023][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.159065][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a05d00 [ 1326.159086][ T32] r4:00000000 [ 1326.159105][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.159148][ T32] r9:83018205 r8:838b3000 r7:00000000 r6:83018200 r5:00001000 r4:7f08d000 [ 1326.159186][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.159229][ T32] r5:00001000 r4:ecb9f000 [ 1326.159249][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.159299][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.159343][ T32] r5:85a2178c r4:85a21400 [ 1326.159363][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.159405][ T32] r7:ddde2d80 r6:83018200 r5:85a2178c r4:84e81e00 [ 1326.159447][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.159495][ T32] r10:61c88647 r9:838b3000 r8:84e81e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.159519][ T32] r4:84e81e00 [ 1326.159559][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.159627][ T32] r10:00000000 r9:84e81e00 r8:8027f5e8 r7:dfbe5e60 r6:84e81e80 r5:838b3000 [ 1326.159652][ T32] r4:00000001 [ 1326.159698][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.159767][ T32] Exception stack(0xdfbf1fb0 to 0xdfbf1ff8) [ 1326.176519][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1326.176637][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.176682][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.176718][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.176743][ T32] r4:84df6000 [ 1326.177243][ T32] INFO: task kworker/1:36:3343 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.177278][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.177383][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.177450][ T32] Call trace: [ 1326.177506][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.177576][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.177612][ T32] r4:00000000 [ 1326.177635][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.177676][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.177724][ T32] dd20: c8e7b000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.177756][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.177781][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.177805][ T32] r5:80070013 r4:80239bb0 [ 1326.177833][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.177906][ T32] r4:82ac11a4 [ 1326.177930][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.177978][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 5 printk messages dropped ** [ 1326.178148][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 8 printk messages dropped ** [ 1326.178554][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1326.179041][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1326.179484][ T32] r10:8291880c r9:dfc31d84 r8:00000002 r7:60000013 r6:dfc31d8c r5:84d08000 ** 9 printk messages dropped ** [ 1326.192997][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1326.193356][ T32] r5:00001000 r4:ecb87000 [ 1326.193387][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1326.193644][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1326.194019][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1326.194914][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 6 printk messages dropped ** [ 1326.195188][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1326.195499][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.195520][ T32] r4:00000000 [ 1326.195540][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.195603][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.195628][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.195670][ T32] r5:00001000 r4:e47a2000 [ 1326.195689][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.195728][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.195768][ T32] r5:84fe978c r4:84fe9400 [ 1326.195788][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.195833][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.195883][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.195932][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.195954][ T32] r4:8454d880 [ 1326.195995][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.196042][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.196064][ T32] r4:00000001 [ 1326.196103][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.196162][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.196191][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.196239][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.196301][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.196335][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.196357][ T32] r4:84e5a440 [ 1326.196378][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.196405][ T32] INFO: task kworker/1:38:3345 blocked for more than 452 seconds. [ 1326.196438][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.196472][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.196498][ T32] task:kworker/1:38 state:D stack:0 pid:3345 tgid:3345 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.196552][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.196596][ T32] Call trace: [ 1326.196637][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.196685][ T32] r10:8291880c r9:dfc0dd84 r8:00000002 r7:60000013 r6:dfc0dd8c r5:84d08c00 [ 1326.196707][ T32] r4:84d08c00 [ 1326.196757][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.196821][ T32] r5:84d08c00 r4:82918808 [ 1326.196843][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.196888][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.196929][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc0de08 [ 1326.196981][ T32] r4:00000000 [ 1326.197023][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.197062][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.197119][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.197185][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a05340 [ 1326.197219][ T32] r4:00000000 [ 1326.197242][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.197285][ T32] r9:83018205 r8:84d08c00 r7:00000000 r6:83018200 r5:00001000 r4:7f079000 [ 1326.197331][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.197395][ T32] r5:00001000 r4:ec755000 [ 1326.197449][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.197492][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.197534][ T32] r5:85a1ef8c r4:85a1ec00 [ 1326.197554][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.197606][ T32] r7:ddde2d80 r6:83018200 r5:85a1ef8c r4:84e30000 [ 1326.197629][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.197674][ T32] r10:61c88647 r9:84d08c00 r8:84e3002c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.197705][ T32] r4:84e30000 [ 1326.197727][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.197770][ T32] r10:00000000 r9:84e30000 r8:8027f5e8 r7:dfc31e60 r6:84e30080 r5:84d08c00 [ 1326.197792][ T32] r4:00000001 [ 1326.197812][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.197857][ T32] Exception stack(0xdfc0dfb0 to 0xdfc0dff8) [ 1326.197886][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.197914][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.197939][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.198009][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.198053][ T32] r4:84df6340 [ 1326.198412][ T32] INFO: task kworker/1:38:3345 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.198448][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.198503][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.198565][ T32] Call trace: [ 1326.198622][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 4 printk messages dropped ** [ 1326.198775][ T32] dd20: c92bd000 edddd000 00000001 80239b98 7fb69000 00000001 ** 10 printk messages dropped ** [ 1326.199189][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.199457][ T32] r5:84fe978c r4:84fe9400 ** 4 printk messages dropped ** [ 1326.199647][ T32] r4:8454d880 ** 6 printk messages dropped ** [ 1326.220278][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1326.220700][ T32] Call trace: ** 5 printk messages dropped ** [ 1326.220925][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1326.221363][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.221407][ T32] r5:00001000 r4:ec547000 ** 3 printk messages dropped ** [ 1326.221559][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1326.222051][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1326.222737][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.222794][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.222838][ T32] Call trace: [ 1326.222868][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.222915][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.222938][ T32] r4:00000000 [ 1326.222981][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.223033][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.223064][ T32] dd20: c97ec000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.223093][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.223117][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.223162][ T32] r5:80070013 r4:80239bb0 [ 1326.223186][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.223231][ T32] r4:82ac11a4 [ 1326.223250][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.223303][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.223326][ T32] r4:e883ddc0 [ 1326.223344][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.223387][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.223431][ T32] r4:00000000 [ 1326.223477][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.223546][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.223592][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.223639][ T32] r5:00001000 r4:e47a2000 ** 2 printk messages dropped ** [ 1326.223777][ T32] r5:84fe978c r4:84fe9400 ** 3 printk messages dropped ** [ 1326.223929][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1326.224224][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1326.224594][ T32] Call trace: ** 6 printk messages dropped ** [ 1326.224861][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1326.225392][ T32] r5:00001000 r4:ecadd000 [ 1326.225414][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.225453][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1326.225639][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1326.226003][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1326.226619][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1326.226973][ T32] r4:82ac11a4 ** 8 printk messages dropped ** [ 1326.227305][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1326.227598][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1326.228003][ T32] r4:84e5a440 ** 3 printk messages dropped ** [ 1326.228178][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 10 printk messages dropped ** [ 1326.228658][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe71e08 ** 7 printk messages dropped ** [ 1326.228974][ T32] r9:83018205 r8:84c42400 r7:00000000 r6:83018200 r5:00001000 r4:7f085000 ** 1 printk messages dropped ** [ 1326.229059][ T32] r5:00001000 r4:ecabd000 ** 4 printk messages dropped ** [ 1326.229241][ T32] r7:ddde2d80 r6:83018200 r5:85a2078c r4:84e30280 ** 8 printk messages dropped ** [ 1326.229627][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1326.229715][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.252269][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.252350][ T32] r4:84df6500 [ 1326.252882][ T32] INFO: task kworker/1:41:3351 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.252920][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.253081][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.253184][ T32] Call trace: [ 1326.253218][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.253275][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.253311][ T32] r4:00000000 [ 1326.253332][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.253371][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.253400][ T32] dd20: c9cfd000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.253428][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.253457][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.253480][ T32] r5:80070013 r4:80239bb0 [ 1326.253501][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.253580][ T32] r4:82ac11a4 [ 1326.253606][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.253655][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.253677][ T32] r4:e883ddc0 [ 1326.253696][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.253761][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.253786][ T32] r4:00000000 [ 1326.253806][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.253851][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.253901][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.253947][ T32] r5:00001000 r4:e47a2000 [ 1326.253967][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.254007][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.254048][ T32] r5:84fe978c r4:84fe9400 [ 1326.254088][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.254139][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.254160][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.254228][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.254252][ T32] r4:8454d880 [ 1326.254272][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.254323][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.254348][ T32] r4:00000001 [ 1326.254378][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.254418][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.254463][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.254494][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.254520][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.254548][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.254569][ T32] r4:84e5a440 [ 1326.254612][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.254655][ T32] INFO: task kworker/1:42:3353 blocked for more than 452 seconds. [ 1326.254690][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.254724][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.254751][ T32] task:kworker/1:42 state:D stack:0 pid:3353 tgid:3353 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.254815][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.254860][ T32] Call trace: [ 1326.254891][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.254958][ T32] r10:8291880c r9:dfe85d84 r8:00000002 r7:60000013 r6:dfe85d8c r5:84c43000 [ 1326.254984][ T32] r4:84c43000 [ 1326.255004][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.255064][ T32] r5:84c43000 r4:82918808 [ 1326.255092][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.255129][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.255191][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe85e08 [ 1326.255222][ T32] r4:00000000 [ 1326.255241][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.255276][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.255322][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.255365][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a05840 [ 1326.255386][ T32] r4:00000000 [ 1326.255415][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 1 printk messages dropped ** [ 1326.255506][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.255547][ T32] r5:00001000 r4:eca11000 [ 1326.255566][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1326.255755][ T32] r7:ddde2d80 r6:83018200 r5:85a2038c r4:84e30200 ** 10 printk messages dropped ** [ 1326.256172][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1326.256846][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1326.256987][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1326.257267][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1326.257753][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1326.258039][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1326.258380][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1326.258751][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1326.259304][ T32] r5:00001000 r4:ec885000 [ 1326.259327][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.259366][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.259405][ T32] r5:85a1ff8c r4:85a1fc00 [ 1326.259424][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.259466][ T32] r7:ddde2d80 r6:83018200 r5:85a1ff8c r4:84e30300 [ 1326.259487][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.259530][ T32] r10:61c88647 r9:84c44800 r8:84e3032c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.259551][ T32] r4:84e30300 [ 1326.259569][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.259611][ T32] r10:00000000 r9:84e30300 r8:8027f5e8 r7:dfe59e60 r6:84c0c300 r5:84c44800 [ 1326.259632][ T32] r4:00000001 [ 1326.259651][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.259689][ T32] Exception stack(0xdfe99fb0 to 0xdfe99ff8) [ 1326.280192][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1326.280285][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.280324][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.280357][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.280380][ T32] r4:84df6980 [ 1326.280879][ T32] INFO: task kworker/1:43:3356 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.280937][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.281012][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.281099][ T32] Call trace: [ 1326.281137][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.281194][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.281218][ T32] r4:00000000 [ 1326.281237][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.281275][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.281310][ T32] dd20: c9fff000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.281362][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.281391][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.281415][ T32] r5:80070013 r4:80239bb0 [ 1326.281435][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.281507][ T32] r4:82ac11a4 [ 1326.281531][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.281580][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.281627][ T32] r4:e883ddc0 [ 1326.281674][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.281756][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.281781][ T32] r4:00000000 [ 1326.281803][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.281849][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.281892][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.281959][ T32] r5:00001000 r4:e47a2000 [ 1326.282003][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.282051][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.282115][ T32] r5:84fe978c r4:84fe9400 [ 1326.282141][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.282239][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.282303][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.282359][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.282410][ T32] r4:8454d880 [ 1326.282443][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.282493][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.282537][ T32] r4:00000001 [ 1326.282601][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.282641][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.282667][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.282695][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.282721][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.282772][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.282798][ T32] r4:84e5a440 [ 1326.282820][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.282871][ T32] INFO: task kworker/1:44:3357 blocked for more than 452 seconds. [ 1326.282909][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.282934][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 2 printk messages dropped ** [ 1326.283114][ T32] Call trace: ** 5 printk messages dropped ** [ 1326.283370][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1326.283849][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.283890][ T32] r5:00001000 r4:ec867000 ** 2 printk messages dropped ** [ 1326.284009][ T32] r5:85a1fb8c r4:85a1f800 ** 3 printk messages dropped ** [ 1326.284188][ T32] r10:61c88647 r9:84c45400 r8:84e303ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1326.284502][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1326.285208][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 9 printk messages dropped ** [ 1326.285628][ T32] r4:e883ddc0 ** 6 printk messages dropped ** [ 1326.285880][ T32] r5:00001000 r4:e47a2000 ** 6 printk messages dropped ** [ 1326.286148][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1326.286539][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1326.286780][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.286803][ T32] task:kworker/1:45 state:D stack:0 pid:3359 tgid:3359 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.286881][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.286966][ T32] Call trace: [ 1326.287043][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.287186][ T32] r10:8291880c r9:dfeb5d84 r8:00000002 r7:60000013 r6:dfeb5d8c r5:84c46000 [ 1326.287211][ T32] r4:84c46000 [ 1326.287272][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.287320][ T32] r5:84c46000 r4:82918808 [ 1326.287340][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.287375][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.287415][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfeb5e08 [ 1326.287437][ T32] r4:00000000 [ 1326.287456][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.287518][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.287622][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.287669][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a05540 [ 1326.287711][ T32] r4:00000000 [ 1326.287735][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.287779][ T32] r9:83018205 r8:84c46000 r7:00000000 r6:83018200 r5:00001000 r4:7f07d000 [ 1326.287800][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.287855][ T32] r5:00001000 r4:ec839000 [ 1326.287917][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.287997][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.288048][ T32] r5:85a1f78c r4:85a1f400 [ 1326.288070][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.288150][ T32] r7:ddde2d80 r6:83018200 r5:85a1f78c r4:84e30400 [ 1326.288196][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.288262][ T32] r10:61c88647 r9:84c46000 r8:84e3042c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.288286][ T32] r4:84e30400 [ 1326.288312][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.288355][ T32] r10:00000000 r9:84e30400 r8:8027f5e8 r7:dfe59e60 r6:84c0c400 r5:84c46000 [ 1326.288387][ T32] r4:00000001 [ 1326.288410][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.288456][ T32] Exception stack(0xdfeb5fb0 to 0xdfeb5ff8) [ 1326.288485][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.288556][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.288594][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.288654][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.288699][ T32] r4:84df69c0 [ 1326.289022][ T32] INFO: task kworker/1:45:3359 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.289055][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.289150][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.289199][ T32] Call trace: [ 1326.289228][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.289274][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.289308][ T32] r4:00000000 [ 1326.289328][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.289365][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.289392][ T32] dd20: c9fff000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.289420][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.289465][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 2 printk messages dropped ** [ 1326.289583][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1326.318428][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.318775][ T32] r5:84fe978c r4:84fe9400 ** 3 printk messages dropped ** [ 1326.318909][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1326.319257][ T32] r4:84e5a440 ** 5 printk messages dropped ** [ 1326.319536][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1326.324324][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1326.324749][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.324791][ T32] r5:00001000 r4:ec827000 ** 2 printk messages dropped ** [ 1326.324890][ T32] r5:85a1f38c r4:85a1f000 [ 1326.324931][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.324981][ T32] r7:ddde2d80 r6:83018200 r5:85a1f38c r4:84e30480 [ 1326.325002][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.325045][ T32] r10:61c88647 r9:84c70000 r8:84e304ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.325067][ T32] r4:84e30480 [ 1326.325119][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.325187][ T32] r10:00000000 r9:84e30480 r8:8027f5e8 r7:dfe59e60 r6:84c0c480 r5:84c70000 [ 1326.325234][ T32] r4:00000001 [ 1326.325258][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.325300][ T32] Exception stack(0xdfec5fb0 to 0xdfec5ff8) [ 1326.325329][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.325357][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.325394][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.325452][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.325496][ T32] r4:84df6b40 [ 1326.326012][ T32] INFO: task kworker/1:46:3361 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.326063][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.326131][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.326216][ T32] Call trace: [ 1326.326285][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.326341][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.326402][ T32] r4:00000000 [ 1326.326426][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.326514][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.326566][ T32] dd20: ca582000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.326599][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.326645][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.326671][ T32] r5:80070013 r4:80239bb0 [ 1326.326692][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.326737][ T32] r4:82ac11a4 [ 1326.326779][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.326829][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.326852][ T32] r4:e883ddc0 [ 1326.326893][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.326942][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.326965][ T32] r4:00000000 [ 1326.326986][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.327051][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.327076][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.327118][ T32] r5:00001000 r4:e47a2000 [ 1326.327147][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.327210][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.327257][ T32] r5:84fe978c r4:84fe9400 [ 1326.327277][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.327328][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 1 printk messages dropped ** [ 1326.327393][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1326.327634][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1326.327930][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1326.328309][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.328362][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfed5e08 [ 1326.328387][ T32] r4:00000000 [ 1326.328427][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.328488][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.328529][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.328573][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859fde80 [ 1326.328595][ T32] r4:00000000 [ 1326.328614][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.328679][ T32] r9:83018205 r8:84c71800 r7:00000000 r6:83018200 r5:00001000 r4:7f071000 [ 1326.328703][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.328745][ T32] r5:00001000 r4:ec571000 [ 1326.328765][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.328802][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.328857][ T32] r5:85a1e38c r4:85a1e000 [ 1326.328879][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.328924][ T32] r7:ddde2d80 r6:83018200 r5:85a1e38c r4:84e30500 [ 1326.328945][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.328989][ T32] r10:61c88647 r9:84c71800 r8:84e3052c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.329035][ T32] r4:84e30500 [ 1326.329066][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.329141][ T32] r10:00000000 r9:84e30500 r8:8027f5e8 r7:dfe59e60 r6:84c0c500 r5:84c71800 [ 1326.329196][ T32] r4:00000001 [ 1326.329221][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.329269][ T32] Exception stack(0xdfed5fb0 to 0xdfed5ff8) [ 1326.329307][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1326.329362][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1326.347128][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 10 printk messages dropped ** [ 1326.347592][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 10 printk messages dropped ** [ 1326.348050][ T32] r5:84fe978c r4:84fe9400 ** 4 printk messages dropped ** [ 1326.348233][ T32] r4:8454d880 ** 6 printk messages dropped ** [ 1326.348493][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1326.348940][ T32] Call trace: ** 6 printk messages dropped ** [ 1326.349234][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1326.349579][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.349619][ T32] r5:00001000 r4:ec6af000 ** 3 printk messages dropped ** [ 1326.349840][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1326.360565][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1326.361443][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1326.361747][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1326.362051][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1326.362623][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1326.363004][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1326.363515][ T32] r10:8291880c r9:dfeedd84 r8:00000002 r7:60000013 r6:dfeedd8c r5:84c70c00 ** 9 printk messages dropped ** [ 1326.363903][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1326.364094][ T32] r5:00001000 r4:ec4fb000 ** 2 printk messages dropped ** [ 1326.364225][ T32] r5:85a1d78c r4:85a1d400 ** 3 printk messages dropped ** [ 1326.364362][ T32] r10:61c88647 r9:84c70c00 r8:84e3062c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1326.364682][ T32] r4:84db6fc0 ** 4 printk messages dropped ** [ 1326.365250][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.365307][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.365332][ T32] r4:00000000 [ 1326.365353][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.365391][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.365420][ T32] dd20: caab4000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.365471][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.365509][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.365534][ T32] r5:80070013 r4:80239bb0 [ 1326.365556][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.365602][ T32] r4:82ac11a4 [ 1326.365623][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.365704][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.365753][ T32] r4:e883ddc0 [ 1326.365777][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.365832][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.365879][ T32] r4:00000000 [ 1326.365910][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.365965][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.366013][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.366061][ T32] r5:00001000 r4:e47a2000 [ 1326.366119][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.366164][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.366232][ T32] r5:84fe978c r4:84fe9400 [ 1326.366254][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.366308][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.366331][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.366377][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.366422][ T32] r4:8454d880 [ 1326.366447][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.366514][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.366561][ T32] r4:00000001 [ 1326.366585][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.366632][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.366682][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.366723][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.366755][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.366794][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.366843][ T32] r4:84e5a440 [ 1326.366882][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.366921][ T32] INFO: task kworker/1:50:3369 blocked for more than 452 seconds. [ 1326.366954][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.366978][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.367003][ T32] task:kworker/1:50 state:D stack:0 pid:3369 tgid:3369 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.367052][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.367114][ T32] Call trace: [ 1326.367147][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.367195][ T32] r10:8291880c r9:dff01d84 r8:00000002 r7:60000113 r6:dff01d8c r5:84c74800 [ 1326.367218][ T32] r4:84c74800 [ 1326.367238][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.367303][ T32] r5:84c74800 r4:82918808 [ 1326.367330][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.367370][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.367415][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dff01e08 [ 1326.367438][ T32] r4:00000000 [ 1326.367458][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.367493][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.367540][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.367599][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a06d00 [ 1326.367625][ T32] r4:00000000 [ 1326.367647][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.367692][ T32] r9:83018205 r8:84c74800 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1326.367714][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.367754][ T32] r5:00001000 r4:eba9d000 [ 1326.367775][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.367824][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1326.368065][ T32] r10:61c88647 r9:84c74800 r8:84e306ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1326.368383][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 5 printk messages dropped ** [ 1326.368959][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1326.369368][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1326.369596][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.390480][ T32] r5:84fe978c r4:84fe9400 ** 3 printk messages dropped ** [ 1326.390667][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1326.391045][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1326.391434][ T32] Call trace: ** 7 printk messages dropped ** [ 1326.391791][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dff0de08 ** 7 printk messages dropped ** [ 1326.392155][ T32] r9:83018205 r8:84c73c00 r7:00000000 r6:83018200 r5:00001000 r4:7f065000 ** 1 printk messages dropped ** [ 1326.392222][ T32] r5:00001000 r4:eba31000 ** 4 printk messages dropped ** [ 1326.392424][ T32] r7:ddde2d80 r6:83018200 r5:85a1cb8c r4:84e30700 ** 5 printk messages dropped ** [ 1326.392662][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1326.392849][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1326.393681][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1326.394051][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1326.394310][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.394574][ T32] r5:84fe978c r4:84fe9400 ** 4 printk messages dropped ** [ 1326.394728][ T32] r4:8454d880 ** 6 printk messages dropped ** [ 1326.394966][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1326.395158][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.395181][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.395203][ T32] task:kworker/1:52 state:D stack:0 pid:3372 tgid:3372 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.395247][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.395286][ T32] Call trace: [ 1326.395323][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.395371][ T32] r10:8291880c r9:dff15d84 r8:00000002 r7:60000013 r6:dff15d8c r5:84c76000 [ 1326.395394][ T32] r4:84c76000 [ 1326.395412][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.395450][ T32] r5:84c76000 r4:82918808 [ 1326.395490][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.395530][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.395571][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dff15e08 [ 1326.395612][ T32] r4:00000000 [ 1326.395639][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.395674][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.395710][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.395753][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859fdf40 [ 1326.395775][ T32] r4:00000000 [ 1326.395794][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.395835][ T32] r9:83018205 r8:84c76000 r7:00000000 r6:83018200 r5:00001000 r4:7f06d000 [ 1326.395856][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.395896][ T32] r5:00001000 r4:ec515000 [ 1326.395942][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.395984][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.396025][ T32] r5:85a1db8c r4:85a1d800 [ 1326.396107][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.396158][ T32] r7:ddde2d80 r6:83018200 r5:85a1db8c r4:84e30780 [ 1326.396179][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.396225][ T32] r10:61c88647 r9:84c76000 r8:84e307ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.396249][ T32] r4:84e30780 [ 1326.396314][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.396363][ T32] r10:00000000 r9:84e30780 r8:8027f5e8 r7:dfeede60 r6:84c0c780 r5:84c76000 [ 1326.396387][ T32] r4:00000001 [ 1326.396406][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.396450][ T32] Exception stack(0xdff15fb0 to 0xdff15ff8) [ 1326.396479][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.396510][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.396632][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.396666][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.396689][ T32] r4:84d5c000 [ 1326.397034][ T32] INFO: task kworker/1:52:3372 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.397077][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.397178][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.397221][ T32] Call trace: [ 1326.397251][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.397400][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.397428][ T32] r4:00000000 [ 1326.397449][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.397487][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.397514][ T32] dd20: caeba000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.397543][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.397598][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.397710][ T32] r5:80070013 r4:80239bb0 [ 1326.397734][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.397778][ T32] r4:82ac11a4 [ 1326.397798][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.397843][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.397875][ T32] r4:e883ddc0 [ 1326.397897][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.397941][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.397962][ T32] r4:00000000 [ 1326.397982][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.398025][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.398047][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.398087][ T32] r5:00001000 r4:e47a2000 [ 1326.398107][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.398144][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.398184][ T32] r5:84fe978c r4:84fe9400 [ 1326.398223][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.398269][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.398296][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.398341][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.398364][ T32] r4:8454d880 [ 1326.398382][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.398424][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.398446][ T32] r4:00000001 [ 1326.398497][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.398537][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 1 printk messages dropped ** [ 1326.398650][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 10 printk messages dropped ** [ 1326.399100][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 9 printk messages dropped ** [ 1326.399424][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1326.430174][ T32] r5:00001000 r4:ebafb000 [ 1326.430274][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1326.430562][ T32] r10:61c88647 r9:84d0c800 r8:84e3092c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1326.430956][ T32] r4:84d5c480 ** 2 printk messages dropped ** [ 1326.431609][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1326.431966][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 8 printk messages dropped ** [ 1326.432353][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.432397][ T32] r4:00000000 [ 1326.432419][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.432486][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.432512][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.432554][ T32] r5:00001000 r4:e47a2000 [ 1326.432573][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.432612][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.432652][ T32] r5:84fe978c r4:84fe9400 [ 1326.432671][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.432715][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.432778][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.432827][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.432869][ T32] r4:8454d880 [ 1326.432891][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.432935][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.432956][ T32] r4:00000001 [ 1326.432974][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.433008][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.433054][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.433087][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.433113][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.433141][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.433162][ T32] r4:84e5a440 [ 1326.433182][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.433340][ T32] INFO: task kworker/0:203:3760 blocked for more than 452 seconds. [ 1326.433378][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.433403][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.433468][ T32] task:kworker/0:203 state:D stack:0 pid:3760 tgid:3760 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.433558][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.433602][ T32] Call trace: [ 1326.433632][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.433681][ T32] r10:8291880c r9:e0671d84 r8:00000002 r7:60000113 r6:e0671d8c r5:84f78000 [ 1326.433704][ T32] r4:84f78000 [ 1326.433739][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.433782][ T32] r5:84f78000 r4:82918808 [ 1326.433815][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.433872][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.433948][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0671e08 [ 1326.433974][ T32] r4:00000000 [ 1326.434016][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.434078][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.434119][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1326.434449][ T32] r5:00001000 r4:e47bd000 [ 1326.434470][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.434508][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1326.434743][ T32] r10:61c88647 r9:84f78000 r8:84ce092c r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1326.435098][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1326.435814][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 11 printk messages dropped ** [ 1326.436298][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 9 printk messages dropped ** [ 1326.436637][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 7 printk messages dropped ** [ 1326.436931][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 7 printk messages dropped ** [ 1326.437220][ T32] Not tainted 6.15.0-syzkaller #0 ** 8 printk messages dropped ** [ 1326.437626][ T32] r5:8501d400 r4:82918808 ** 5 printk messages dropped ** [ 1326.437844][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1326.438131][ T32] r5:00001000 r4:e8843000 [ 1326.438170][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1326.438401][ T32] r7:ddde2d80 r6:83018200 r5:84fe9b8c r4:8454d780 ** 7 printk messages dropped ** [ 1326.438661][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 6 printk messages dropped ** [ 1326.439172][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1326.439682][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1326.462564][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1326.463019][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1326.463335][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 9 printk messages dropped ** [ 1326.463799][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 5 printk messages dropped ** [ 1326.464084][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.464131][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8841e08 [ 1326.464153][ T32] r4:00000000 [ 1326.464172][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.464205][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.464243][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.464312][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d62f80 [ 1326.464338][ T32] r4:00000000 [ 1326.464378][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.464447][ T32] r9:83018005 r8:85020c00 r7:00000000 r6:83018000 r5:00001000 r4:7f045000 [ 1326.464494][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.464549][ T32] r5:00001000 r4:dfe03000 [ 1326.464571][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.464609][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.464675][ T32] r5:8454a38c r4:8454a000 [ 1326.464699][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.464752][ T32] r7:dddced80 r6:83018000 r5:8454a38c r4:84e83a00 [ 1326.464792][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.464841][ T32] r10:61c88647 r9:85020c00 r8:84e83a2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1326.464882][ T32] r4:84e83a00 [ 1326.464910][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.464974][ T32] r10:00000000 r9:84e83a00 r8:8027f5e8 r7:e0671e60 r6:8454d980 r5:85020c00 [ 1326.465004][ T32] r4:00000001 [ 1326.465025][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.465060][ T32] Exception stack(0xe8841fb0 to 0xe8841ff8) [ 1326.465108][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1326.465147][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.465176][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.465204][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.465225][ T32] r4:8479bb80 [ 1326.465723][ T32] INFO: task kworker/0:206:3873 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.465778][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.465850][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.465919][ T32] Call trace: [ 1326.465985][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.466037][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.466074][ T32] r4:00000000 [ 1326.466096][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.466134][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.466171][ T32] dd20: cbaa6000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.466221][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.466247][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.466295][ T32] r5:80070013 r4:80239bb0 [ 1326.466320][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.466365][ T32] r4:82ac11a4 [ 1326.466384][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.466431][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.466487][ T32] r4:e883ddc0 [ 1326.466518][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.466585][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.466610][ T32] r4:00000000 [ 1326.466630][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.466702][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.466727][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.466769][ T32] r5:00001000 r4:e47a2000 [ 1326.466789][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.466826][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.466866][ T32] r5:84fe978c r4:84fe9400 [ 1326.466885][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.466930][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.466950][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.466994][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.467037][ T32] r4:8454d880 [ 1326.467081][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.467128][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.467150][ T32] r4:00000001 [ 1326.467169][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.467215][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.467243][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.467271][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.467306][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.467347][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.467372][ T32] r4:84e5a440 [ 1326.467393][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.467416][ T32] INFO: task kworker/1:173:3877 blocked for more than 452 seconds. [ 1326.467444][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.467466][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.467507][ T32] task:kworker/1:173 state:D stack:0 pid:3877 tgid:3877 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.467554][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.467606][ T32] Call trace: [ 1326.467645][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.467695][ T32] r10:8291880c r9:e8839d84 r8:00000002 r7:60000113 r6:e8839d8c r5:85021800 [ 1326.467718][ T32] r4:85021800 [ 1326.467736][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.467783][ T32] r5:85021800 r4:82918808 [ 1326.467806][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.467864][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.467909][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8839e08 [ 1326.467985][ T32] r4:00000000 [ 1326.468013][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.468049][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.468108][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.468175][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5aec0 [ 1326.468202][ T32] r4:00000000 [ 1326.468222][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.468295][ T32] r9:83018205 r8:85021800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a7000 [ 1326.468336][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.468400][ T32] r5:00001000 r4:e885b000 [ 1326.468423][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.468461][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.468521][ T32] r5:84fea38c r4:84fea000 [ 1326.468544][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.468590][ T32] r7:ddde2d80 r6:83018200 r5:84fea38c r4:8454da00 [ 1326.468610][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.468676][ T32] r10:61c88647 r9:85021800 r8:8454da2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.468703][ T32] r4:8454da00 [ 1326.468732][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.468779][ T32] r10:00000000 r9:8454da00 r8:8027f5e8 r7:e47b9e60 r6:8454da80 r5:85021800 [ 1326.468801][ T32] r4:00000001 [ 1326.468820][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.468875][ T32] Exception stack(0xe8839fb0 to 0xe8839ff8) [ 1326.468924][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1326.468977][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.469006][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.469034][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.469056][ T32] r4:84e5aa00 [ 1326.469424][ T32] INFO: task kworker/1:173:3877 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.469510][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.469568][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.469609][ T32] Call trace: [ 1326.469638][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.469685][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.469730][ T32] r4:00000000 [ 1326.488490][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.488632][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.488670][ T32] dd20: cbecf000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.488699][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.488745][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.488798][ T32] r5:80070013 r4:80239bb0 [ 1326.488846][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.488902][ T32] r4:82ac11a4 [ 1326.488924][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.488972][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.488995][ T32] r4:e883ddc0 [ 1326.489045][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.489100][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.489143][ T32] r4:00000000 [ 1326.489167][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.489213][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.489236][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.489299][ T32] r5:00001000 r4:e47a2000 [ 1326.489324][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.489364][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.489406][ T32] r5:84fe978c r4:84fe9400 [ 1326.489426][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.489492][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.489516][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.489562][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.489584][ T32] r4:8454d880 [ 1326.489603][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.489646][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.489668][ T32] r4:00000001 [ 1326.489687][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.489760][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.494497][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.494577][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.494617][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.494654][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.494679][ T32] r4:84e5a440 [ 1326.494735][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.494811][ T32] INFO: task kworker/1:174:3878 blocked for more than 453 seconds. [ 1326.494875][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.494904][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.494929][ T32] task:kworker/1:174 state:D stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.495007][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.495108][ T32] Call trace: [ 1326.495173][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.495260][ T32] r10:8291880c r9:e884dd84 r8:00000002 r7:60000113 r6:e884dd8c r5:85022400 [ 1326.495330][ T32] r4:85022400 [ 1326.495354][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.495394][ T32] r5:85022400 r4:82918808 [ 1326.495436][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.495478][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.495520][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e884de08 [ 1326.495563][ T32] r4:00000000 [ 1326.495608][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.495667][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.495712][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.495754][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1326.495810][ T32] r4:00000000 [ 1326.495833][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.495889][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1326.495914][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.495956][ T32] r5:00001000 r4:e884f000 [ 1326.496010][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.496068][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.496115][ T32] r5:84fe9f8c r4:84fe9c00 [ 1326.496138][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.496205][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1326.496231][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.496286][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.496315][ T32] r4:8454db00 [ 1326.496335][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.496401][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1326.496447][ T32] r4:00000001 [ 1326.496470][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.496549][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1326.496587][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.496620][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.496647][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.496676][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.496697][ T32] r4:84e5aa80 [ 1326.497201][ T32] INFO: task kworker/1:174:3878 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.497238][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.497301][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.497346][ T32] Call trace: [ 1326.497398][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.497451][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.497474][ T32] r4:00000000 [ 1326.497494][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.497559][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.497603][ T32] dd20: cbecf000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.497636][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.497661][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.497685][ T32] r5:80070013 r4:80239bb0 [ 1326.497725][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.497773][ T32] r4:82ac11a4 [ 1326.497793][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.497858][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.497884][ T32] r4:e883ddc0 [ 1326.497903][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.497970][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.498004][ T32] r4:00000000 [ 1326.498026][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.498072][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.498094][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.498133][ T32] r5:00001000 r4:e47a2000 [ 1326.498173][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.498274][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.498330][ T32] r5:84fe978c r4:84fe9400 [ 1326.498362][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.498412][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.498433][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.498477][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.498520][ T32] r4:8454d880 [ 1326.498542][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.498588][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.498609][ T32] r4:00000001 [ 1326.498628][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.498684][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.498713][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.498762][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.498792][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1326.498844][ T32] r4:84e5a440 ** 2 printk messages dropped ** [ 1326.498924][ T32] Not tainted 6.15.0-syzkaller #0 ** 1 printk messages dropped ** [ 1326.498995][ T32] task:kworker/1:175 state:D stack:0 pid:3881 tgid:3881 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1326.499205][ T32] r4:85023000 ** 2 printk messages dropped ** [ 1326.499333][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 2 printk messages dropped ** [ 1326.499437][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1326.499531][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1326.516490][ T32] r5:00001000 r4:dfacd000 [ 1326.516515][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1326.516621][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1326.516838][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1326.517005][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1326.517856][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 3 printk messages dropped ** [ 1326.517962][ T32] dd20: cc2e7000 edddd000 00000001 80239b98 7fb69000 00000001 ** 2 printk messages dropped ** [ 1326.518038][ T32] r5:80070013 r4:80239bb0 ** 1 printk messages dropped ** [ 1326.518124][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1326.518265][ T32] r4:e883ddc0 ** 1 printk messages dropped ** [ 1326.518336][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 3 printk messages dropped ** [ 1326.518441][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.518492][ T32] r5:00001000 r4:e47a2000 [ 1326.518516][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.518557][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.518598][ T32] r5:84fe978c r4:84fe9400 [ 1326.518617][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.518663][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.518714][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.518764][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.518787][ T32] r4:8454d880 [ 1326.518806][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.518872][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.518899][ T32] r4:00000001 [ 1326.518919][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.518955][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.518982][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.519009][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.519047][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.519078][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.519110][ T32] r4:84e5a440 [ 1326.519156][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.519189][ T32] INFO: task kworker/1:176:3882 blocked for more than 453 seconds. [ 1326.519224][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.519249][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.519271][ T32] task:kworker/1:176 state:D stack:0 pid:3882 tgid:3882 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.519325][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.519366][ T32] Call trace: [ 1326.519395][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.519441][ T32] r10:8291880c r9:e8835d84 r8:00000002 r7:60000013 r6:e8835d8c r5:85023c00 [ 1326.519463][ T32] r4:85023c00 [ 1326.519482][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.519521][ T32] r5:85023c00 r4:82918808 [ 1326.519540][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.519576][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.519616][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8835e08 [ 1326.519638][ T32] r4:00000000 [ 1326.519656][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.519704][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.530279][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.530484][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5a780 [ 1326.530559][ T32] r4:00000000 [ 1326.530584][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.530633][ T32] r9:83018205 r8:85023c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0a9000 [ 1326.530656][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.530699][ T32] r5:00001000 r4:e8867000 [ 1326.530737][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.530781][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.530834][ T32] r5:84fea78c r4:84fea400 [ 1326.530858][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.530927][ T32] r7:ddde2d80 r6:83018200 r5:84fea78c r4:8454dd80 [ 1326.530953][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.530999][ T32] r10:61c88647 r9:85023c00 r8:8454ddac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.531021][ T32] r4:8454dd80 [ 1326.531145][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.531194][ T32] r10:00000000 r9:8454dd80 r8:8027f5e8 r7:e8859e60 r6:8454de00 r5:85023c00 [ 1326.531217][ T32] r4:00000001 [ 1326.531237][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.531300][ T32] Exception stack(0xe8835fb0 to 0xe8835ff8) [ 1326.531340][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.531369][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.531395][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.531447][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.531535][ T32] r4:84e5ae80 [ 1326.532035][ T32] INFO: task kworker/1:176:3882 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.532070][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.532145][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.532197][ T32] Call trace: [ 1326.532237][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.532295][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.532320][ T32] r4:00000000 [ 1326.532339][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.532376][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.532403][ T32] dd20: cc5a8000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.532432][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.532457][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.532480][ T32] r5:80070013 r4:80239bb0 [ 1326.532500][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.532542][ T32] r4:82ac11a4 [ 1326.532572][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.532623][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.532654][ T32] r4:e883ddc0 [ 1326.532675][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.532720][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.532741][ T32] r4:00000000 [ 1326.532781][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.532829][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.532852][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.532893][ T32] r5:00001000 r4:e47a2000 [ 1326.532913][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.532950][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.532990][ T32] r5:84fe978c r4:84fe9400 [ 1326.533009][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.533094][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.533118][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.533164][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.533186][ T32] r4:8454d880 [ 1326.533206][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.533249][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.533305][ T32] r4:00000001 [ 1326.533333][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.533389][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.533418][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.533451][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.533478][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.533506][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.533527][ T32] r4:84e5a440 [ 1326.533548][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.533575][ T32] INFO: task kworker/1:177:3885 blocked for more than 453 seconds. [ 1326.533627][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.533656][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.533699][ T32] task:kworker/1:177 state:D stack:0 pid:3885 tgid:3885 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.533864][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.533905][ T32] Call trace: [ 1326.533934][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.533981][ T32] r10:8291880c r9:e0635d84 r8:00000002 r7:60000113 r6:e0635d8c r5:85024800 [ 1326.534003][ T32] r4:85024800 [ 1326.534022][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.534059][ T32] r5:85024800 r4:82918808 [ 1326.534078][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.534114][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.534154][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0635e08 [ 1326.534176][ T32] r4:00000000 [ 1326.534218][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.534267][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 1 printk messages dropped ** [ 1326.534355][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:847140c0 ** 4 printk messages dropped ** [ 1326.534498][ T32] r5:00001000 r4:df9b2000 [ 1326.534517][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1326.534639][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1326.534963][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1326.535652][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 4 printk messages dropped ** [ 1326.535804][ T32] dd20: cc5a8000 edddd000 00000001 80239b98 7fb69000 00000001 ** 2 printk messages dropped ** [ 1326.535894][ T32] r5:80070013 r4:80239bb0 ** 3 printk messages dropped ** [ 1326.536080][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 3 printk messages dropped ** [ 1326.536225][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1326.536408][ T32] r5:00001000 r4:e47a2000 ** 2 printk messages dropped ** [ 1326.536513][ T32] r5:84fe978c r4:84fe9400 ** 3 printk messages dropped ** [ 1326.536711][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1326.536809][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.536843][ T32] r4:00000001 [ 1326.536873][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.536925][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.536961][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.536992][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.537050][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.537093][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.537135][ T32] r4:84e5a440 [ 1326.537200][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.537228][ T32] INFO: task kworker/1:178:3886 blocked for more than 453 seconds. [ 1326.537257][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.537279][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.537308][ T32] task:kworker/1:178 state:D stack:0 pid:3886 tgid:3886 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.537351][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.537440][ T32] Call trace: [ 1326.537472][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.537520][ T32] r10:8291880c r9:e8865d84 r8:00000002 r7:60000113 r6:e8865d8c r5:85026000 [ 1326.537542][ T32] r4:85026000 [ 1326.537561][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.537599][ T32] r5:85026000 r4:82918808 [ 1326.537618][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.537653][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.537695][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8865e08 [ 1326.537742][ T32] r4:00000000 [ 1326.537764][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.537835][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.537875][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.537918][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84714400 [ 1326.537941][ T32] r4:00000000 [ 1326.537960][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.538002][ T32] r9:83018205 r8:85026000 r7:00000000 r6:83018200 r5:00001000 r4:7f035000 [ 1326.538022][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.538062][ T32] r5:00001000 r4:dfa17000 [ 1326.538081][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.538120][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.538160][ T32] r5:84feb38c r4:84feb000 [ 1326.538216][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.538272][ T32] r7:ddde2d80 r6:83018200 r5:84feb38c r4:8454df80 [ 1326.538301][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.538347][ T32] r10:61c88647 r9:85026000 r8:8454dfac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.538392][ T32] r4:8454df80 [ 1326.538424][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.538480][ T32] r10:00000000 r9:8454df80 r8:8027f5e8 r7:e8859e60 r6:8454dc00 r5:85026000 [ 1326.538505][ T32] r4:00000001 [ 1326.538553][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.538592][ T32] Exception stack(0xe8865fb0 to 0xe8865ff8) [ 1326.538618][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.538645][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.538680][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.538710][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.538744][ T32] r4:84714280 [ 1326.539111][ T32] INFO: task kworker/1:178:3886 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.539146][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.539228][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.539270][ T32] Call trace: [ 1326.539311][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.539385][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.539434][ T32] r4:00000000 [ 1326.539479][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.539519][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.539546][ T32] dd20: cc5a8000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.539595][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.539624][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.539648][ T32] r5:80070013 r4:80239bb0 [ 1326.539678][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.560590][ T32] r4:82ac11a4 [ 1326.560674][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.560751][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.560775][ T32] r4:e883ddc0 [ 1326.560795][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.560861][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.560888][ T32] r4:00000000 [ 1326.560908][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.560975][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.561024][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.561093][ T32] r5:00001000 r4:e47a2000 [ 1326.561117][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.561157][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.561198][ T32] r5:84fe978c r4:84fe9400 [ 1326.561217][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.561264][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.561284][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.561336][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.561381][ T32] r4:8454d880 [ 1326.561405][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.561471][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.561496][ T32] r4:00000001 [ 1326.561538][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.561580][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.561631][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.561685][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.561735][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.561788][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.561813][ T32] r4:84e5a440 [ 1326.561838][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.561869][ T32] INFO: task kworker/1:179:3889 blocked for more than 453 seconds. [ 1326.561924][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.561952][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 3 printk messages dropped ** [ 1326.562132][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 8 printk messages dropped ** [ 1326.562447][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1326.562706][ T32] r5:00001000 r4:dfa4d000 [ 1326.562727][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1326.562804][ T32] r5:84feb78c r4:84feb400 [ 1326.562846][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.562894][ T32] r7:ddde2d80 r6:83018200 r5:84feb78c r4:84e32f80 [ 1326.562935][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.562983][ T32] r10:61c88647 r9:8501ec00 r8:84e32fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.563005][ T32] r4:84e32f80 [ 1326.563023][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.563077][ T32] r10:00000000 r9:84e32f80 r8:8027f5e8 r7:e8859e60 r6:84712000 r5:8501ec00 [ 1326.563102][ T32] r4:00000001 [ 1326.563122][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.563158][ T32] Exception stack(0xe063dfb0 to 0xe063dff8) [ 1326.563184][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.563235][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.563266][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.563299][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.563322][ T32] r4:84714500 [ 1326.563819][ T32] INFO: task kworker/1:179:3889 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.563862][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.563977][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.564025][ T32] Call trace: [ 1326.564088][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.564140][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.564163][ T32] r4:00000000 [ 1326.564203][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.564245][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.564272][ T32] dd20: cc916000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.564309][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.564335][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.564358][ T32] r5:80070013 r4:80239bb0 [ 1326.564377][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.564421][ T32] r4:82ac11a4 [ 1326.564441][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.564486][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.564527][ T32] r4:e883ddc0 [ 1326.564550][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.564595][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.564618][ T32] r4:00000000 [ 1326.564636][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.564680][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.564702][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.564742][ T32] r5:00001000 r4:e47a2000 [ 1326.564762][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.564800][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.564841][ T32] r5:84fe978c r4:84fe9400 [ 1326.564860][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.564926][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.564950][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.564997][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.565042][ T32] r4:8454d880 [ 1326.565064][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.565109][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.565151][ T32] r4:00000001 [ 1326.565174][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.565232][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.565261][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.565294][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.565321][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.565349][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.565386][ T32] r4:84e5a440 [ 1326.565432][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.565462][ T32] INFO: task kworker/1:180:3891 blocked for more than 453 seconds. [ 1326.565490][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.565533][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.565557][ T32] task:kworker/1:180 state:D stack:0 pid:3891 tgid:3891 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.565601][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.565676][ T32] Call trace: [ 1326.565709][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.565756][ T32] r10:8291880c r9:e0639d84 r8:00000002 r7:60000013 r6:e0639d8c r5:8501e000 [ 1326.565789][ T32] r4:8501e000 [ 1326.565811][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.565852][ T32] r5:8501e000 r4:82918808 [ 1326.565871][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.565926][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.565972][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0639e08 [ 1326.565995][ T32] r4:00000000 [ 1326.566038][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.566096][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.566160][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.566219][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84714800 [ 1326.566264][ T32] r4:00000000 [ 1326.566301][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.566348][ T32] r9:83018205 r8:8501e000 r7:00000000 r6:83018200 r5:00001000 r4:7f039000 [ 1326.566371][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.566422][ T32] r5:00001000 r4:dfa71000 [ 1326.566460][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.566535][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.566602][ T32] r5:84febb8c r4:84feb800 [ 1326.566631][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.566695][ T32] r7:ddde2d80 r6:83018200 r5:84febb8c r4:84712080 [ 1326.566733][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.566780][ T32] r10:61c88647 r9:8501e000 r8:847120ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.566822][ T32] r4:84712080 [ 1326.566845][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.566888][ T32] r10:00000000 r9:84712080 r8:8027f5e8 r7:e8859e60 r6:84712100 r5:8501e000 [ 1326.566931][ T32] r4:00000001 [ 1326.566954][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.567011][ T32] Exception stack(0xe0639fb0 to 0xe0639ff8) [ 1326.567040][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1326.567089][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.567139][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.567169][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.567192][ T32] r4:84714840 [ 1326.567518][ T32] INFO: task kworker/1:180:3891 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.567550][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.567604][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.567659][ T32] Call trace: [ 1326.567706][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.567754][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.567797][ T32] r4:00000000 [ 1326.567819][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.567899][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.567950][ T32] dd20: cc916000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.568004][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.568031][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.568104][ T32] r5:80070013 r4:80239bb0 [ 1326.568128][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.568173][ T32] r4:82ac11a4 [ 1326.568192][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.568251][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.568285][ T32] r4:e883ddc0 [ 1326.568312][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.568355][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.568408][ T32] r4:00000000 [ 1326.568431][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.568505][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.568552][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.568597][ T32] r5:00001000 r4:e47a2000 [ 1326.568618][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.568656][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.568697][ T32] r5:84fe978c r4:84fe9400 [ 1326.568717][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.568761][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.568781][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.568826][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.568847][ T32] r4:8454d880 [ 1326.568887][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.568981][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.569027][ T32] r4:00000001 [ 1326.569049][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.569085][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.569111][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.569138][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.569164][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.569212][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.569238][ T32] r4:84e5a440 [ 1326.569258][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.569283][ T32] INFO: task kworker/1:181:3893 blocked for more than 453 seconds. [ 1326.569319][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.569341][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.569362][ T32] task:kworker/1:181 state:D stack:0 pid:3893 tgid:3893 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.569430][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.569483][ T32] Call trace: [ 1326.569516][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.569563][ T32] r10:8291880c r9:e8871d84 r8:00000002 r7:60000113 r6:e8871d8c r5:85026c00 [ 1326.569585][ T32] r4:85026c00 [ 1326.569603][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.569661][ T32] r5:85026c00 r4:82918808 [ 1326.569684][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.600225][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.600365][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8871e08 [ 1326.600393][ T32] r4:00000000 [ 1326.600414][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.600451][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.600496][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.600539][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84714a80 [ 1326.600561][ T32] r4:00000000 [ 1326.600608][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.600682][ T32] r9:83018205 r8:85026c00 r7:00000000 r6:83018200 r5:00001000 r4:7f03d000 [ 1326.600721][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.600772][ T32] r5:00001000 r4:dfb31000 [ 1326.600793][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.600844][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.600912][ T32] r5:84ff438c r4:84ff4000 [ 1326.600937][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.601008][ T32] r7:ddde2d80 r6:83018200 r5:84ff438c r4:84712180 [ 1326.601030][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.601099][ T32] r10:61c88647 r9:85026c00 r8:847121ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.601134][ T32] r4:84712180 [ 1326.601156][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.601247][ T32] r10:00000000 r9:84712180 r8:8027f5e8 r7:e8859e60 r6:84712200 r5:85026c00 [ 1326.601306][ T32] r4:00000001 [ 1326.601330][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 1 printk messages dropped ** [ 1326.601399][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1326.601439][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.601474][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.601503][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.601549][ T32] r4:84714700 [ 1326.602056][ T32] INFO: task kworker/1:181:3893 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.602092][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.602160][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.602238][ T32] Call trace: [ 1326.602281][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.602337][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.602360][ T32] r4:00000000 [ 1326.602379][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.602428][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.602460][ T32] dd20: cd2ec000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.602490][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.602536][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.602563][ T32] r5:80070013 r4:80239bb0 [ 1326.602605][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.602659][ T32] r4:82ac11a4 [ 1326.602680][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.602725][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.602747][ T32] r4:e883ddc0 [ 1326.602766][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.602808][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.602851][ T32] r4:00000000 [ 1326.602911][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.602959][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.602982][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.603023][ T32] r5:00001000 r4:e47a2000 [ 1326.603043][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.603080][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.603141][ T32] r5:84fe978c r4:84fe9400 [ 1326.603185][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.603235][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.603279][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.603342][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.603365][ T32] r4:8454d880 [ 1326.603383][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.603426][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.603452][ T32] r4:00000001 [ 1326.603471][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.603506][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.603530][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.603558][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.603606][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.603638][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.603690][ T32] r4:84e5a440 [ 1326.603715][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 1 printk messages dropped ** [ 1326.603793][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1326.604124][ T32] r4:85025400 ** 5 printk messages dropped ** [ 1326.604356][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1326.604572][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1326.604749][ T32] r5:00001000 r4:dfb7d000 [ 1326.604790][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.604859][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1326.604989][ T32] r7:ddde2d80 r6:83018200 r5:84ff478c r4:84712280 ** 7 printk messages dropped ** [ 1326.605244][ T32] Exception stack(0xe0669fb0 to 0xe0669ff8) ** 4 printk messages dropped ** [ 1326.605503][ T32] r4:84714880 ** 5 printk messages dropped ** [ 1326.606117][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1326.606524][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1326.606724][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 9 printk messages dropped ** [ 1326.607112][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 4 printk messages dropped ** [ 1326.607268][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 11 printk messages dropped ** [ 1326.607663][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 8 printk messages dropped ** [ 1326.608050][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1326.608397][ T32] r9:83018205 r8:85030000 r7:00000000 r6:83018200 r5:00001000 r4:7f041000 ** 1 printk messages dropped ** [ 1326.608480][ T32] r5:00001000 r4:dfbcf000 ** 4 printk messages dropped ** [ 1326.608655][ T32] r7:ddde2d80 r6:83018200 r5:84ff4b8c r4:84712380 ** 5 printk messages dropped ** [ 1326.608882][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1326.609120][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1326.631972][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1326.632254][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1326.632546][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 9 printk messages dropped ** [ 1326.632999][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 5 printk messages dropped ** [ 1326.633270][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1326.633382][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.633408][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.633452][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.633479][ T32] r4:84e5a440 [ 1326.633503][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.633532][ T32] INFO: task kworker/1:184:3899 blocked for more than 453 seconds. [ 1326.633586][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.633614][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.633636][ T32] task:kworker/1:184 state:D stack:0 pid:3899 tgid:3899 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.633693][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.633736][ T32] Call trace: [ 1326.633766][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.633815][ T32] r10:8291880c r9:e06c9d84 r8:00000002 r7:60000113 r6:e06c9d8c r5:85030c00 [ 1326.633837][ T32] r4:85030c00 [ 1326.633856][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.633895][ T32] r5:85030c00 r4:82918808 [ 1326.633936][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.633977][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.634019][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e06c9e08 [ 1326.634041][ T32] r4:00000000 [ 1326.634060][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.634093][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.634129][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.634179][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c240c0 [ 1326.634259][ T32] r4:00000000 [ 1326.634312][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.634362][ T32] r9:83018205 r8:85030c00 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1326.634405][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.634449][ T32] r5:00001000 r4:dfe37000 [ 1326.634469][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.634506][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.634569][ T32] r5:84ff538c r4:84ff5000 [ 1326.634592][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.634637][ T32] r7:ddde2d80 r6:83018200 r5:84ff538c r4:84712480 [ 1326.634657][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.634710][ T32] r10:61c88647 r9:85030c00 r8:847124ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.634734][ T32] r4:84712480 [ 1326.634772][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.634818][ T32] r10:00000000 r9:84712480 r8:8027f5e8 r7:e0699e60 r6:84712500 r5:85030c00 [ 1326.634840][ T32] r4:00000001 [ 1326.634867][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.634907][ T32] Exception stack(0xe06c9fb0 to 0xe06c9ff8) [ 1326.634932][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1326.634959][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.634985][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.635013][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.635034][ T32] r4:84714c80 [ 1326.635530][ T32] INFO: task kworker/1:184:3899 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.635586][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.635674][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.635718][ T32] Call trace: [ 1326.635747][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.635824][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.635851][ T32] r4:00000000 [ 1326.635870][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.635938][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.635969][ T32] dd20: cd5ce000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.635998][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.636023][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.636057][ T32] r5:80070013 r4:80239bb0 [ 1326.636090][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.636134][ T32] r4:82ac11a4 [ 1326.636154][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.636199][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.636221][ T32] r4:e883ddc0 [ 1326.636239][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.636282][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.636309][ T32] r4:00000000 [ 1326.636329][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.636372][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.636414][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.636487][ T32] r5:00001000 r4:e47a2000 [ 1326.636510][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.636550][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.636622][ T32] r5:84fe978c r4:84fe9400 [ 1326.636646][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.636693][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.636713][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.636765][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.636792][ T32] r4:8454d880 [ 1326.636829][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.636877][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.636900][ T32] r4:00000001 [ 1326.636918][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.636953][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.636978][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.637028][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.637074][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.637120][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 4 printk messages dropped ** [ 1326.637276][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 10 printk messages dropped ** [ 1326.637787][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e06f5e08 ** 9 printk messages dropped ** [ 1326.638162][ T32] r5:00001000 r4:dfc15000 [ 1326.638223][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1326.638395][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1326.638752][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1326.639353][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1326.639657][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1326.660703][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 9 printk messages dropped ** [ 1326.661093][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 7 printk messages dropped ** [ 1326.661366][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 6 printk messages dropped ** [ 1326.661632][ T32] INFO: task kworker/0:207:3903 blocked for more than 453 seconds. ** 9 printk messages dropped ** [ 1326.662237][ T32] r5:85031800 r4:82918808 ** 4 printk messages dropped ** [ 1326.662486][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1326.662891][ T32] r5:00001000 r4:e0685000 [ 1326.662930][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1326.663190][ T32] r10:61c88647 r9:85031800 r8:84e83aac r7:82804d40 r6:dddced80 r5:dddceda0 ** 6 printk messages dropped ** [ 1326.663459][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.663487][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.663514][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.663563][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.663599][ T32] r4:8479b6c0 [ 1326.664096][ T32] INFO: task kworker/0:207:3903 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.664140][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.664225][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.664269][ T32] Call trace: [ 1326.664304][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.664372][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.664399][ T32] r4:00000000 [ 1326.664419][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.664456][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.664483][ T32] dd20: cda10000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.664511][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.664537][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.664560][ T32] r5:80070013 r4:80239bb0 [ 1326.664579][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.664621][ T32] r4:82ac11a4 [ 1326.664650][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.664720][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.664746][ T32] r4:e883ddc0 [ 1326.664779][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.664870][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.664895][ T32] r4:00000000 [ 1326.664934][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.664980][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.665019][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.665063][ T32] r5:00001000 r4:e47a2000 [ 1326.665104][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.665147][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.665198][ T32] r5:84fe978c r4:84fe9400 [ 1326.665221][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.665276][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.665304][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.665350][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.665372][ T32] r4:8454d880 [ 1326.665390][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.665434][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.665456][ T32] r4:00000001 [ 1326.665474][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.665525][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.665563][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.665613][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.665642][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.665671][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.665715][ T32] r4:84e5a440 [ 1326.665738][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.665792][ T32] INFO: task kworker/1:186:3905 blocked for more than 453 seconds. [ 1326.665824][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.665847][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.665890][ T32] task:kworker/1:186 state:D stack:0 pid:3905 tgid:3905 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.665945][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.665986][ T32] Call trace: [ 1326.666048][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.666095][ T32] r10:8291880c r9:e0705d84 r8:00000002 r7:60000113 r6:e0705d8c r5:85033c00 [ 1326.666118][ T32] r4:85033c00 [ 1326.666146][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.666223][ T32] r5:85033c00 r4:82918808 [ 1326.666248][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1326.666406][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1326.666704][ T32] r5:00001000 r4:dfe5b000 [ 1326.666732][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1326.666855][ T32] r5:84ff578c r4:84ff5400 ** 5 printk messages dropped ** [ 1326.667103][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1326.667464][ T32] r4:84c24000 ** 4 printk messages dropped ** [ 1326.667998][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1326.668374][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1326.668592][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1326.669114][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1326.669373][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1326.691167][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1326.691647][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e06d9e08 ** 8 printk messages dropped ** [ 1326.692020][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.692065][ T32] r5:00001000 r4:dfe8d000 ** 3 printk messages dropped ** [ 1326.692217][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1326.692682][ T32] Exception stack(0xe06d9fb0 to 0xe06d9ff8) ** 6 printk messages dropped ** [ 1326.693476][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1326.694448][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1326.694660][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.695009][ T32] r5:84fe978c r4:84fe9400 [ 1326.695066][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.695124][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.695191][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.695245][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.695303][ T32] r4:8454d880 [ 1326.695353][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.695430][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.695455][ T32] r4:00000001 [ 1326.695475][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.695539][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.695569][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.695597][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.695653][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.695709][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.695734][ T32] r4:84e5a440 [ 1326.695786][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.695865][ T32] INFO: task kworker/1:188:3909 blocked for more than 453 seconds. [ 1326.695932][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.696003][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.696052][ T32] task:kworker/1:188 state:D stack:0 pid:3909 tgid:3909 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.696107][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.696176][ T32] Call trace: [ 1326.696211][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.696258][ T32] r10:8291880c r9:e0751d84 r8:00000002 r7:60000113 r6:e0751d8c r5:85035400 [ 1326.696280][ T32] r4:85035400 [ 1326.696304][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.696344][ T32] r5:85035400 r4:82918808 [ 1326.696393][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.696432][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.696501][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0751e08 [ 1326.696528][ T32] r4:00000000 [ 1326.696549][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.696612][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.696655][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.696698][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c24800 [ 1326.696720][ T32] r4:00000000 [ 1326.696738][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.696821][ T32] r9:83018205 r8:85035400 r7:00000000 r6:83018200 r5:00001000 r4:7f04f000 [ 1326.696846][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.696888][ T32] r5:00001000 r4:dfee9000 [ 1326.696926][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.697038][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.697095][ T32] r5:84ff638c r4:84ff6000 [ 1326.697115][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.697173][ T32] r7:ddde2d80 r6:83018200 r5:84ff638c r4:84712900 [ 1326.697220][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.697321][ T32] r10:61c88647 r9:85035400 r8:8471292c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.697372][ T32] r4:84712900 [ 1326.697412][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.697499][ T32] r10:00000000 r9:84712900 r8:8027f5e8 r7:e06d9e60 r6:84712980 r5:85035400 [ 1326.697544][ T32] r4:00000001 [ 1326.697588][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.697667][ T32] Exception stack(0xe0751fb0 to 0xe0751ff8) [ 1326.697849][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1326.697916][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.697975][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.698031][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.698077][ T32] r4:84c24580 [ 1326.698682][ T32] INFO: task kworker/1:188:3909 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.698757][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.698863][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.698975][ T32] Call trace: [ 1326.699106][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.699210][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.699286][ T32] r4:00000000 [ 1326.699407][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.699491][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.699552][ T32] dd20: cde28000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.699610][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.699663][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.730281][ T32] r5:80070013 r4:80239bb0 [ 1326.730408][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.730491][ T32] r4:82ac11a4 [ 1326.730515][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.730563][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.730618][ T32] r4:e883ddc0 [ 1326.730642][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.730689][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.730749][ T32] r4:00000000 [ 1326.730773][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.730819][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.730841][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.730885][ T32] r5:00001000 r4:e47a2000 [ 1326.730906][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.730971][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.731018][ T32] r5:84fe978c r4:84fe9400 [ 1326.731039][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.731084][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.731105][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.731149][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.731171][ T32] r4:8454d880 [ 1326.731190][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.731233][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.731255][ T32] r4:00000001 [ 1326.731274][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.731316][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.731345][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.731374][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.731400][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.731429][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.731450][ T32] r4:84e5a440 [ 1326.731501][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 3 printk messages dropped ** [ 1326.731700][ T32] task:kworker/1:189 state:D stack:0 pid:3911 tgid:3911 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 13 printk messages dropped ** [ 1326.732174][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1326.732416][ T32] r5:00001000 r4:dfebf000 [ 1326.732438][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1326.732598][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1326.733005][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1326.733627][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.733670][ T32] Call trace: [ 1326.733701][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.733775][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.733803][ T32] r4:00000000 [ 1326.733824][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.733861][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.733889][ T32] dd20: ce5e2000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.733917][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.733941][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.733964][ T32] r5:80070013 r4:80239bb0 [ 1326.734005][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.734080][ T32] r4:82ac11a4 [ 1326.734109][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.734158][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.734209][ T32] r4:e883ddc0 [ 1326.734233][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.734295][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.734321][ T32] r4:00000000 [ 1326.734340][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.734406][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.734453][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.734498][ T32] r5:00001000 r4:e47a2000 [ 1326.734520][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.734558][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.734598][ T32] r5:84fe978c r4:84fe9400 [ 1326.734618][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.734663][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.734683][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.734754][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.734781][ T32] r4:8454d880 [ 1326.734826][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.734873][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.734921][ T32] r4:00000001 [ 1326.734942][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.734979][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.735005][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.735033][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.735059][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.735113][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.735138][ T32] r4:84e5a440 [ 1326.735159][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.735184][ T32] INFO: task kworker/1:190:3913 blocked for more than 453 seconds. [ 1326.735239][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.735264][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.735286][ T32] task:kworker/1:190 state:D stack:0 pid:3913 tgid:3913 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.735335][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.735375][ T32] Call trace: [ 1326.735403][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 1 printk messages dropped ** [ 1326.735473][ T32] r4:85036c00 ** 5 printk messages dropped ** [ 1326.735769][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1326.736014][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1326.736183][ T32] r5:00001000 r4:e06bd000 [ 1326.736202][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1326.736278][ T32] r5:84ff6f8c r4:84ff6c00 ** 3 printk messages dropped ** [ 1326.736512][ T32] r10:61c88647 r9:85036c00 r8:84712b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1326.737007][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1326.737775][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 9 printk messages dropped ** [ 1326.738210][ T32] r4:e883ddc0 ** 6 printk messages dropped ** [ 1326.738560][ T32] r5:00001000 r4:e47a2000 ** 6 printk messages dropped ** [ 1326.738883][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1326.739098][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1326.739208][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.739230][ T32] r4:84e5a440 [ 1326.739250][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.739274][ T32] INFO: task kworker/1:191:3914 blocked for more than 453 seconds. [ 1326.739311][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.739355][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.739380][ T32] task:kworker/1:191 state:D stack:0 pid:3914 tgid:3914 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.739448][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.739486][ T32] Call trace: [ 1326.739561][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.739611][ T32] r10:8291880c r9:ea889d84 r8:00000002 r7:60000013 r6:ea889d8c r5:85033000 [ 1326.739655][ T32] r4:85033000 [ 1326.739677][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.760131][ T32] r5:85033000 r4:82918808 [ 1326.760217][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.760282][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.760333][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea889e08 [ 1326.760357][ T32] r4:00000000 [ 1326.760377][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.760438][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.760530][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.760579][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c249c0 [ 1326.760602][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1326.760720][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.760772][ T32] r5:00001000 r4:e065b000 [ 1326.760794][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1326.761044][ T32] r7:ddde2d80 r6:83018200 r5:84ff678c r4:84712c00 ** 7 printk messages dropped ** [ 1326.761346][ T32] Exception stack(0xea889fb0 to 0xea889ff8) ** 6 printk messages dropped ** [ 1326.762063][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1326.762805][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1326.763003][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.763286][ T32] r5:84fe978c r4:84fe9400 ** 3 printk messages dropped ** [ 1326.763436][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1326.763819][ T32] r4:84e5a440 ** 4 printk messages dropped ** [ 1326.764054][ T32] task:kworker/1:192 state:D stack:0 pid:3917 tgid:3917 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1326.764612][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1326.764933][ T32] r5:00001000 r4:e069d000 [ 1326.764955][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1326.765101][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1326.765377][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1326.765555][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1326.766342][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 11 printk messages dropped ** [ 1326.766812][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 12 printk messages dropped ** [ 1326.767359][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 5 printk messages dropped ** [ 1326.767563][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1326.767777][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1326.768200][ T32] r10:8291880c r9:ea88dd84 r8:00000002 r7:60000113 r6:ea88dd8c r5:84f8bc00 ** 5 printk messages dropped ** [ 1326.768468][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea88de08 [ 1326.768496][ T32] r4:00000000 [ 1326.768516][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.768550][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.768587][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.768664][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8459a680 [ 1326.768711][ T32] r4:00000000 [ 1326.768743][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.768789][ T32] r9:83018005 r8:84f8bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f05d000 [ 1326.768811][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.768851][ T32] r5:00001000 r4:e0709000 [ 1326.768871][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.768908][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.768949][ T32] r5:84fc878c r4:84fc8400 [ 1326.768968][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.769012][ T32] r7:dddced80 r6:83018000 r5:84fc878c r4:84e83b00 [ 1326.769032][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.769076][ T32] r10:61c88647 r9:84f8bc00 r8:84e83b2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1326.769098][ T32] r4:84e83b00 [ 1326.769117][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.769173][ T32] r10:00000000 r9:84e83b00 r8:8027f5e8 r7:e0671e60 r6:84e83b80 r5:84f8bc00 [ 1326.769198][ T32] r4:00000001 [ 1326.769218][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.769273][ T32] Exception stack(0xea88dfb0 to 0xea88dff8) [ 1326.769309][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.769338][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.769373][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.769426][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.769452][ T32] r4:8459a2c0 [ 1326.800232][ T32] INFO: task kworker/0:208:3919 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.800354][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.800437][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.800526][ T32] Call trace: [ 1326.800564][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.800625][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.800649][ T32] r4:00000000 [ 1326.800669][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.800708][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.800755][ T32] dd20: cf062000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.800797][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.800834][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.800861][ T32] r5:80070013 r4:80239bb0 [ 1326.800883][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.800932][ T32] r4:82ac11a4 [ 1326.800952][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.801000][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.801033][ T32] r4:e883ddc0 [ 1326.801069][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1326.801257][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1326.801635][ T32] r4:8454d880 ** 6 printk messages dropped ** [ 1326.801877][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1326.802167][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1326.802493][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1326.802856][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.802897][ T32] r5:00001000 r4:e06d5000 ** 2 printk messages dropped ** [ 1326.802994][ T32] r5:84ff738c r4:84ff7000 ** 4 printk messages dropped ** [ 1326.803139][ T32] r4:84712e00 ** 5 printk messages dropped ** [ 1326.803336][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1326.804102][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1326.804375][ T32] dd20: cf062000 edddd000 00000001 80239b98 7fb69000 00000001 ** 10 printk messages dropped ** [ 1326.804790][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.805060][ T32] r5:84fe978c r4:84fe9400 ** 6 printk messages dropped ** [ 1326.805351][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.805374][ T32] r4:00000001 [ 1326.805393][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.805449][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.805478][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.805507][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.805556][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.805587][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.805610][ T32] r4:84e5a440 [ 1326.805633][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.805659][ T32] INFO: task kworker/1:194:3923 blocked for more than 453 seconds. [ 1326.805686][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.805730][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.805755][ T32] task:kworker/1:194 state:D stack:0 pid:3923 tgid:3923 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.805840][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.805893][ T32] Call trace: [ 1326.805948][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.805999][ T32] r10:8291880c r9:ea89dd84 r8:00000002 r7:60000013 r6:ea89dd8c r5:85038c00 [ 1326.806022][ T32] r4:85038c00 [ 1326.806062][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.806106][ T32] r5:85038c00 r4:82918808 [ 1326.806126][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.806182][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.806257][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea89de08 [ 1326.806308][ T32] r4:00000000 [ 1326.806332][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.806389][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.806429][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.806471][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84599540 [ 1326.806494][ T32] r4:00000000 [ 1326.806513][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.806554][ T32] r9:83018205 r8:85038c00 r7:00000000 r6:83018200 r5:00001000 r4:7f05f000 [ 1326.806575][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.806650][ T32] r5:00001000 r4:e0723000 [ 1326.806672][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.806711][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.806774][ T32] r5:84ff7b8c r4:84ff7800 [ 1326.806797][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.806840][ T32] r7:ddde2d80 r6:83018200 r5:84ff7b8c r4:84712e80 [ 1326.806884][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.806932][ T32] r10:61c88647 r9:85038c00 r8:84712eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.806966][ T32] r4:84712e80 [ 1326.806988][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.807031][ T32] r10:00000000 r9:84712e80 r8:8027f5e8 r7:ea899e60 r6:84712f00 r5:85038c00 [ 1326.807052][ T32] r4:00000001 [ 1326.807106][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.807179][ T32] Exception stack(0xea89dfb0 to 0xea89dff8) [ 1326.807226][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.807285][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.807352][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.807384][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.807406][ T32] r4:84d99500 [ 1326.807755][ T32] INFO: task kworker/1:194:3923 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.807787][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.807889][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.808007][ T32] Call trace: [ 1326.808070][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.808119][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.808164][ T32] r4:00000000 [ 1326.808188][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.808226][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.808271][ T32] dd20: cf062000 edddd000 00000001 80239b98 7fb69000 00000001 ** 2 printk messages dropped ** [ 1326.808405][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1326.808698][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1326.809114][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1326.809482][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1326.809752][ T32] task:kworker/1:195 state:D stack:0 pid:3925 tgid:3925 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 13 printk messages dropped ** [ 1326.833002][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1326.833282][ T32] r5:00001000 r4:e06f7000 [ 1326.833315][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1326.833489][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1326.833898][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1326.834815][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 4 printk messages dropped ** [ 1326.834949][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.834994][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.835022][ T32] r5:80070013 r4:80239bb0 [ 1326.835073][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.835141][ T32] r4:82ac11a4 [ 1326.835165][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.835212][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.835233][ T32] r4:e883ddc0 [ 1326.835252][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.835300][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.835323][ T32] r4:00000000 [ 1326.835342][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.835404][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.835430][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.835473][ T32] r5:00001000 r4:e47a2000 [ 1326.835493][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.835539][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.835583][ T32] r5:84fe978c r4:84fe9400 [ 1326.835624][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.835674][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.835714][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.835764][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.835787][ T32] r4:8454d880 [ 1326.835815][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.835861][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.835884][ T32] r4:00000001 [ 1326.835924][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.835986][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.836014][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.836044][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.836070][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.836097][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.836119][ T32] r4:84e5a440 [ 1326.836162][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.836217][ T32] INFO: task kworker/0:209:3928 blocked for more than 453 seconds. [ 1326.836262][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.836294][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.836317][ T32] task:kworker/0:209 state:D stack:0 pid:3928 tgid:3928 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.836361][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.836401][ T32] Call trace: [ 1326.836443][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.836493][ T32] r10:8291880c r9:ea8a5d84 r8:00000002 r7:60000113 r6:ea8a5d8c r5:8503a400 [ 1326.836516][ T32] r4:8503a400 [ 1326.836534][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.836575][ T32] r5:8503a400 r4:82918808 [ 1326.836595][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.836651][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.836706][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8a5e08 [ 1326.836731][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1326.836786][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1326.837049][ T32] r5:00001000 r4:e05cb000 [ 1326.837069][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1326.837203][ T32] r5:84fc8f8c r4:84fc8c00 ** 4 printk messages dropped ** [ 1326.837383][ T32] r4:84e83c80 ** 5 printk messages dropped ** [ 1326.837576][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1326.838173][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1326.838570][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 8 printk messages dropped ** [ 1326.838976][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1326.839542][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1326.858336][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1326.858680][ T32] task:kworker/1:196 state:D stack:0 pid:3929 tgid:3929 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1326.859260][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1326.859439][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84599680 ** 4 printk messages dropped ** [ 1326.859664][ T32] r5:00001000 r4:e0739000 ** 2 printk messages dropped ** [ 1326.864247][ T32] r5:84ff7f8c r4:84ff7c00 ** 2 printk messages dropped ** [ 1326.864381][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1326.864640][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1326.865428][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1326.865767][ T32] dd20: cf8ed000 edddd000 00000001 80239b98 7fb69000 00000001 ** 7 printk messages dropped ** [ 1326.866092][ T32] r4:e883ddc0 ** 5 printk messages dropped ** [ 1326.866286][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1326.866657][ T32] r4:8454d880 ** 5 printk messages dropped ** [ 1326.866835][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1326.867140][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.867167][ T32] task:kworker/1:197 state:D stack:0 pid:3931 tgid:3931 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.867223][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.867266][ T32] Call trace: [ 1326.867330][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.867403][ T32] r10:8291880c r9:ea8b1d84 r8:00000002 r7:60000113 r6:ea8b1d8c r5:84f8e000 [ 1326.867429][ T32] r4:84f8e000 [ 1326.867449][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.867490][ T32] r5:84f8e000 r4:82918808 [ 1326.867509][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.867545][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.867587][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8b1e08 [ 1326.867609][ T32] r4:00000000 [ 1326.867628][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.867662][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.867698][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.867741][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:845997c0 [ 1326.867764][ T32] r4:00000000 [ 1326.867804][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.867850][ T32] r9:83018205 r8:84f8e000 r7:00000000 r6:83018200 r5:00001000 r4:7f0ad000 [ 1326.867872][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.867914][ T32] r5:00001000 r4:ea8b3000 [ 1326.867952][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.868037][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.868089][ T32] r5:8500438c r4:85004000 [ 1326.868109][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.868152][ T32] r7:ddde2d80 r6:83018200 r5:8500438c r4:84c5e180 [ 1326.868182][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.868229][ T32] r10:61c88647 r9:84f8e000 r8:84c5e1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.868251][ T32] r4:84c5e180 [ 1326.868308][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.868356][ T32] r10:00000000 r9:84c5e180 r8:8027f5e8 r7:ea8a9e60 r6:84e83d80 r5:84f8e000 [ 1326.868398][ T32] r4:00000001 [ 1326.868421][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.868459][ T32] Exception stack(0xea8b1fb0 to 0xea8b1ff8) [ 1326.868513][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1326.868545][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.868571][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.868599][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.868630][ T32] r4:84599500 [ 1326.868975][ T32] INFO: task kworker/1:197:3931 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.869009][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.869065][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.869134][ T32] Call trace: [ 1326.869197][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.869270][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.869343][ T32] r4:00000000 [ 1326.869367][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.869406][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.869433][ T32] dd20: cf8ed000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.869461][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.869507][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.869549][ T32] r5:80070013 r4:80239bb0 [ 1326.869572][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.869616][ T32] r4:82ac11a4 [ 1326.869636][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.869681][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.869721][ T32] r4:e883ddc0 [ 1326.869812][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.882355][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.882404][ T32] r4:00000000 [ 1326.882428][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.882520][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.882547][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.882637][ T32] r5:00001000 r4:e47a2000 [ 1326.882662][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.882744][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1326.883040][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1326.883382][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1326.883667][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1326.884035][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1326.884479][ T32] r5:00001000 r4:ea8c7000 [ 1326.884499][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1326.884693][ T32] r7:ddde2d80 r6:83018200 r5:8500478c r4:84c5e200 ** 8 printk messages dropped ** [ 1326.885022][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1326.885862][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1326.886264][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1326.886494][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.886744][ T32] r5:84fe978c r4:84fe9400 ** 3 printk messages dropped ** [ 1326.886891][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1326.887203][ T32] r4:84e5a440 ** 4 printk messages dropped ** [ 1326.887375][ T32] task:kworker/1:199 state:D stack:0 pid:3935 tgid:3935 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1326.887860][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1326.888202][ T32] r5:00001000 r4:ea90b000 [ 1326.888222][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1326.888371][ T32] r7:ddde2d80 r6:83018200 r5:8500578c r4:84c5e280 [ 1326.888391][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.888436][ T32] r10:61c88647 r9:84f89800 r8:84c5e2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.888457][ T32] r4:84c5e280 [ 1326.888496][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.888542][ T32] r10:00000000 r9:84c5e280 r8:8027f5e8 r7:ea8c5e60 r6:84e83e80 r5:84f89800 [ 1326.888565][ T32] r4:00000001 [ 1326.888603][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.888651][ T32] Exception stack(0xea8d5fb0 to 0xea8d5ff8) [ 1326.888700][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.888733][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.888759][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.888787][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.888808][ T32] r4:84599840 [ 1326.889126][ T32] INFO: task kworker/1:199:3935 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.889186][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.889280][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.889333][ T32] Call trace: [ 1326.889362][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.889408][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.889431][ T32] r4:00000000 [ 1326.889450][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.889486][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.889534][ T32] dd20: cfcef000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.889567][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.889612][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.889649][ T32] r5:80070013 r4:80239bb0 [ 1326.889672][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.889839][ T32] r4:82ac11a4 [ 1326.912586][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.912687][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.912737][ T32] r4:e883ddc0 [ 1326.912782][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.912857][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.912903][ T32] r4:00000000 [ 1326.912947][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.912996][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.913018][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.913061][ T32] r5:00001000 r4:e47a2000 [ 1326.913081][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.913141][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.913188][ T32] r5:84fe978c r4:84fe9400 [ 1326.913250][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.913310][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.913341][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.913410][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.913463][ T32] r4:8454d880 [ 1326.913487][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.913536][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.913559][ T32] r4:00000001 [ 1326.913594][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.913655][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.913712][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.913743][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.913769][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.913797][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.913840][ T32] r4:84e5a440 [ 1326.913868][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.913899][ T32] INFO: task kworker/1:200:3936 blocked for more than 453 seconds. [ 1326.913933][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.913978][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.914004][ T32] task:kworker/1:200 state:D stack:0 pid:3936 tgid:3936 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.914063][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.914107][ T32] Call trace: [ 1326.914185][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.914267][ T32] r10:8291880c r9:ea8e5d84 r8:00000002 r7:60000113 r6:ea8e5d8c r5:84f8b000 ** 6 printk messages dropped ** [ 1326.914552][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1326.914739][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84599ac0 ** 4 printk messages dropped ** [ 1326.914940][ T32] r5:00001000 r4:ea8d7000 [ 1326.914963][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1326.915144][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1326.915521][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1326.916424][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 9 printk messages dropped ** [ 1326.916823][ T32] r4:e883ddc0 ** 5 printk messages dropped ** [ 1326.917050][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1326.917447][ T32] r4:8454d880 ** 6 printk messages dropped ** [ 1326.917749][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1326.918149][ T32] Call trace: ** 5 printk messages dropped ** [ 1326.918470][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1326.918983][ T32] r5:00001000 r4:ea8eb000 [ 1326.919005][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1326.919199][ T32] r7:ddde2d80 r6:83018200 r5:85004f8c r4:84c5e380 ** 8 printk messages dropped ** [ 1326.919513][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1326.943601][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 4 printk messages dropped ** [ 1326.943771][ T32] dd20: d0682000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.943800][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.943825][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.943880][ T32] r5:80070013 r4:80239bb0 [ 1326.943906][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.943967][ T32] r4:82ac11a4 [ 1326.943989][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.944037][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.944059][ T32] r4:e883ddc0 [ 1326.944078][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.944121][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.944143][ T32] r4:00000000 [ 1326.944182][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.944233][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.944257][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.944308][ T32] r5:00001000 r4:e47a2000 [ 1326.944329][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.944368][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.944411][ T32] r5:84fe978c r4:84fe9400 [ 1326.944454][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.944508][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.944530][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.944575][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.944597][ T32] r4:8454d880 [ 1326.944616][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.944669][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1326.944694][ T32] r4:00000001 [ 1326.944715][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.944752][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1326.944778][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.944805][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.944832][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.944860][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.944891][ T32] r4:84e5a440 [ 1326.944917][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1326.944946][ T32] INFO: task kworker/1:202:3940 blocked for more than 453 seconds. [ 1326.944982][ T32] Not tainted 6.15.0-syzkaller #0 [ 1326.945028][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1326.945065][ T32] task:kworker/1:202 state:D stack:0 pid:3940 tgid:3940 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.945131][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.945213][ T32] Call trace: [ 1326.945280][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1326.945346][ T32] r10:8291880c r9:ea8fdd84 r8:00000002 r7:60000113 r6:ea8fdd8c r5:84f91800 [ 1326.945370][ T32] r4:84f91800 [ 1326.945390][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1326.945433][ T32] r5:84f91800 r4:82918808 [ 1326.945473][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.945513][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.945556][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8fde08 [ 1326.945591][ T32] r4:00000000 [ 1326.945634][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.945675][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.945713][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.945777][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84599d00 [ 1326.945802][ T32] r4:00000000 [ 1326.945822][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.945865][ T32] r9:83018205 r8:84f91800 r7:00000000 r6:83018200 r5:00001000 r4:7f0b5000 [ 1326.945906][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.945951][ T32] r5:00001000 r4:ea8ff000 [ 1326.945991][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.946076][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.946123][ T32] r5:8500538c r4:85005000 [ 1326.946143][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.946220][ T32] r7:ddde2d80 r6:83018200 r5:8500538c r4:84c5e400 [ 1326.946267][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.946324][ T32] r10:61c88647 r9:84f91800 r8:84c5e42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.946370][ T32] r4:84c5e400 [ 1326.946392][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.946457][ T32] r10:00000000 r9:84c5e400 r8:8027f5e8 r7:ea8d5e60 r6:8505d000 r5:84f91800 [ 1326.946483][ T32] r4:00000001 [ 1326.946503][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.946539][ T32] Exception stack(0xea8fdfb0 to 0xea8fdff8) [ 1326.946565][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1326.946612][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.946643][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.946685][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.946710][ T32] r4:845999c0 [ 1326.947095][ T32] INFO: task kworker/1:202:3940 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.947130][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.947202][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.947262][ T32] Call trace: [ 1326.947310][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.947380][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.947424][ T32] r4:00000000 [ 1326.947446][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 2 printk messages dropped ** [ 1326.947600][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 11 printk messages dropped ** [ 1326.948071][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 8 printk messages dropped ** [ 1326.948469][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1326.948788][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1326.949075][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 3 printk messages dropped ** [ 1326.949266][ T32] r5:84f90000 r4:82918808 [ 1326.949319][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1326.949380][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1326.949425][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea919e08 [ 1326.949485][ T32] r4:00000000 [ 1326.949507][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1326.949543][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1326.949579][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.949649][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d99840 [ 1326.949700][ T32] r4:00000000 [ 1326.964542][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.964697][ T32] r9:83018205 r8:84f90000 r7:00000000 r6:83018200 r5:00001000 r4:7f0bd000 [ 1326.964737][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.964812][ T32] r5:00001000 r4:ea93b000 [ 1326.964836][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.964879][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.964921][ T32] r5:8500638c r4:85006000 [ 1326.964942][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.964988][ T32] r7:ddde2d80 r6:83018200 r5:8500638c r4:84c5e480 [ 1326.965030][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.965079][ T32] r10:61c88647 r9:84f90000 r8:84c5e4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.965101][ T32] r4:84c5e480 [ 1326.965132][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.965202][ T32] r10:00000000 r9:84c5e480 r8:8027f5e8 r7:ea8d5e60 r6:8505d080 r5:84f90000 [ 1326.965228][ T32] r4:00000001 [ 1326.965249][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1326.965293][ T32] Exception stack(0xea919fb0 to 0xea919ff8) [ 1326.965325][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1326.965353][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.965388][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.965419][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.965442][ T32] r4:84599cc0 [ 1326.965954][ T32] INFO: task kworker/1:203:3943 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.965991][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.966113][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.966165][ T32] Call trace: [ 1326.966263][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.966362][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.966389][ T32] r4:00000000 [ 1326.966409][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.966448][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.966476][ T32] dd20: d08b0000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.966503][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.966528][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.966553][ T32] r5:80070013 r4:80239bb0 [ 1326.966573][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.966617][ T32] r4:82ac11a4 [ 1326.966636][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.966681][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 3 printk messages dropped ** [ 1326.966806][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1326.967162][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 5 printk messages dropped ** [ 1326.967343][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1326.967585][ T32] r4:84e5a440 ** 4 printk messages dropped ** [ 1326.967727][ T32] task:kworker/1:204 state:D stack:0 pid:3944 tgid:3944 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1326.968220][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1326.968489][ T32] r9:83018205 r8:84f92400 r7:00000000 r6:83018200 r5:00001000 r4:7f0b9000 ** 1 printk messages dropped ** [ 1326.968589][ T32] r5:00001000 r4:ea91b000 ** 4 printk messages dropped ** [ 1326.968754][ T32] r7:ddde2d80 r6:83018200 r5:85005b8c r4:84c5e500 ** 8 printk messages dropped ** [ 1326.969105][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1326.969163][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1326.969225][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1326.969277][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1326.969335][ T32] r4:84599e80 [ 1326.969679][ T32] INFO: task kworker/1:204:3944 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1326.969742][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1326.986550][ T32] Workqueue: events bpf_prog_free_deferred [ 1326.986649][ T32] Call trace: [ 1326.986732][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1326.986826][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1326.986877][ T32] r4:00000000 [ 1326.986941][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1326.986988][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1326.987019][ T32] dd20: d0c76000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1326.987048][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1326.987084][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1326.987131][ T32] r5:80070013 r4:80239bb0 [ 1326.987156][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1326.987213][ T32] r4:82ac11a4 [ 1326.987237][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1326.987311][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1326.987338][ T32] r4:e883ddc0 [ 1326.987379][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1326.987444][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1326.987489][ T32] r4:00000000 [ 1326.987517][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1326.987584][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1326.987625][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1326.987670][ T32] r5:00001000 r4:e47a2000 [ 1326.987691][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.987729][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.987770][ T32] r5:84fe978c r4:84fe9400 [ 1326.987790][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.987834][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1326.987875][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1326.987924][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1326.988005][ T32] r4:8454d880 [ 1326.988033][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1326.988089][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 9 printk messages dropped ** [ 1326.988373][ T32] INFO: task kworker/1:205:3947 blocked for more than 453 seconds. ** 6 printk messages dropped ** [ 1326.988778][ T32] r10:8291880c r9:ea945d84 r8:00000002 r7:60000013 r6:ea945d8c r5:84f93000 ** 9 printk messages dropped ** [ 1326.989276][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1326.989554][ T32] r5:00001000 r4:ea92f000 [ 1326.989573][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1326.989610][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1326.989649][ T32] r5:85005f8c r4:85005c00 [ 1326.989669][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1326.989745][ T32] r7:ddde2d80 r6:83018200 r5:85005f8c r4:84c5e580 [ 1327.000384][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.000582][ T32] r10:61c88647 r9:84f93000 r8:84c5e5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.000619][ T32] r4:84c5e580 [ 1327.000643][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.000715][ T32] r10:00000000 r9:84c5e580 r8:8027f5e8 r7:ea919e60 r6:8505d180 r5:84f93000 [ 1327.000742][ T32] r4:00000001 [ 1327.000775][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.000838][ T32] Exception stack(0xea945fb0 to 0xea945ff8) [ 1327.000892][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.000923][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.000950][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.000979][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.001023][ T32] r4:84c24e40 [ 1327.001551][ T32] INFO: task kworker/1:205:3947 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.001592][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.001735][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.001790][ T32] Call trace: [ 1327.001820][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.001870][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.001913][ T32] r4:00000000 [ 1327.001936][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 1 printk messages dropped ** [ 1327.002001][ T32] dd20: d0f74000 edddd000 00000001 80239b98 7fb69000 00000001 ** 9 printk messages dropped ** [ 1327.002441][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1327.002865][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1327.003223][ T32] r4:84e5a440 ** 4 printk messages dropped ** [ 1327.003410][ T32] task:kworker/1:206 state:D stack:0 pid:3949 tgid:3949 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 13 printk messages dropped ** [ 1327.003925][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1327.004116][ T32] r5:00001000 r4:ea94f000 [ 1327.004135][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1327.004240][ T32] r5:8500678c r4:85006400 [ 1327.004265][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.004331][ T32] r7:ddde2d80 r6:83018200 r5:8500678c r4:84c5e600 [ 1327.004404][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.004456][ T32] r10:61c88647 r9:84f93c00 r8:84c5e62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.004478][ T32] r4:84c5e600 [ 1327.004522][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.004570][ T32] r10:00000000 r9:84c5e600 r8:8027f5e8 r7:ea919e60 r6:8505d200 r5:84f93c00 [ 1327.004657][ T32] r4:00000001 [ 1327.004727][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.004769][ T32] Exception stack(0xea955fb0 to 0xea955ff8) [ 1327.004816][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.004847][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.004873][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.004911][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.004959][ T32] r4:84599300 [ 1327.005283][ T32] INFO: task kworker/1:206:3949 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.005317][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.005373][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.005441][ T32] Call trace: [ 1327.005471][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.005520][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.005543][ T32] r4:00000000 [ 1327.005581][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.005621][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.005670][ T32] dd20: d0f74000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.005711][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.005747][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.005771][ T32] r5:80070013 r4:80239bb0 [ 1327.005791][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.005835][ T32] r4:82ac11a4 [ 1327.005855][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.005900][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 5 printk messages dropped ** [ 1327.006110][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 8 printk messages dropped ** [ 1327.006508][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1327.006860][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1327.007154][ T32] Call trace: ** 6 printk messages dropped ** [ 1327.007409][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.007825][ T32] r5:00001000 r4:ea95f000 [ 1327.007844][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.007882][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.007922][ T32] r5:85006b8c r4:85006800 [ 1327.007941][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.008005][ T32] r7:ddde2d80 r6:83018200 r5:85006b8c r4:84c5e680 [ 1327.008029][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.008074][ T32] r10:61c88647 r9:84f95400 r8:84c5e6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.008096][ T32] r4:84c5e680 [ 1327.008135][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.008203][ T32] r10:00000000 r9:84c5e680 r8:8027f5e8 r7:ea955e60 r6:8505d280 r5:84f95400 [ 1327.008228][ T32] r4:00000001 [ 1327.008248][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.008296][ T32] Exception stack(0xea95dfb0 to 0xea95dff8) [ 1327.008325][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.008426][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.008455][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.008483][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.008525][ T32] r4:85065080 [ 1327.008819][ T32] INFO: task kworker/1:207:3951 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.008874][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.008931][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.009002][ T32] Call trace: [ 1327.009060][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.009109][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.009132][ T32] r4:00000000 [ 1327.009163][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.009204][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.009251][ T32] dd20: d0f74000 edddd000 00000001 80239b98 7fb69000 00000001 ** 7 printk messages dropped ** [ 1327.009511][ T32] r4:e883ddc0 ** 6 printk messages dropped ** [ 1327.030348][ T32] r5:00001000 r4:e47a2000 ** 6 printk messages dropped ** [ 1327.030745][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1327.030992][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 7 printk messages dropped ** [ 1327.031249][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1327.031507][ T32] r10:8291880c r9:ea969d84 r8:00000002 r7:60000113 r6:ea969d8c r5:84f96000 ** 6 printk messages dropped ** [ 1327.031784][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1327.031900][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.031946][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85065480 [ 1327.031968][ T32] r4:00000000 [ 1327.032003][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.032060][ T32] r9:83018205 r8:84f96000 r7:00000000 r6:83018200 r5:00001000 r4:7f00b000 [ 1327.032081][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.032122][ T32] r5:00001000 r4:df83d000 [ 1327.032161][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.032203][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.032243][ T32] r5:85006f8c r4:85006c00 [ 1327.032263][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.032304][ T32] r7:ddde2d80 r6:83018200 r5:85006f8c r4:84c5e700 [ 1327.032324][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.032367][ T32] r10:61c88647 r9:84f96000 r8:84c5e72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.032410][ T32] r4:84c5e700 [ 1327.032432][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.032476][ T32] r10:00000000 r9:84c5e700 r8:8027f5e8 r7:ea95de60 r6:8505d300 r5:84f96000 [ 1327.032498][ T32] r4:00000001 [ 1327.032538][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.032599][ T32] Exception stack(0xea969fb0 to 0xea969ff8) [ 1327.032640][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1327.032670][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.032696][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.032724][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.032745][ T32] r4:850651c0 [ 1327.033245][ T32] INFO: task kworker/1:208:3952 is blocked on a mutex likely owned by task kworker/1:172:3871. ** 8 printk messages dropped ** [ 1327.033803][ T32] dd20: d137d000 edddd000 00000001 80239b98 7fb69000 00000001 ** 7 printk messages dropped ** [ 1327.034139][ T32] r4:e883ddc0 ** 8 printk messages dropped ** [ 1327.034628][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1327.034937][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 10 printk messages dropped ** [ 1327.035281][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1327.035664][ T32] r4:84f96c00 ** 5 printk messages dropped ** [ 1327.035913][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1327.036070][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850655c0 ** 4 printk messages dropped ** [ 1327.036246][ T32] r5:00001000 r4:df995000 ** 1 printk messages dropped ** [ 1327.036305][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1327.036706][ T32] Exception stack(0xe8805fb0 to 0xe8805ff8) ** 6 printk messages dropped ** [ 1327.037249][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1327.037885][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1327.038164][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1327.038673][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1327.038997][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1327.039374][ T32] r4:8503bc00 ** 4 printk messages dropped ** [ 1327.039571][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea891e08 [ 1327.039594][ T32] r4:00000000 [ 1327.039634][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.039672][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.039741][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.072783][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85065a80 [ 1327.072841][ T32] r4:00000000 [ 1327.072865][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.072935][ T32] r9:83018205 r8:8503bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f031000 [ 1327.072979][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.073036][ T32] r5:00001000 r4:dfcfb000 [ 1327.073057][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.073097][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.073138][ T32] r5:85007f8c r4:85007c00 [ 1327.073159][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.073228][ T32] r7:ddde2d80 r6:83018200 r5:85007f8c r4:84c5e800 [ 1327.073258][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.073307][ T32] r10:61c88647 r9:8503bc00 r8:84c5e82c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.073328][ T32] r4:84c5e800 [ 1327.073347][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.073389][ T32] r10:00000000 r9:84c5e800 r8:8027f5e8 r7:e8805e60 r6:84c5e880 r5:8503bc00 [ 1327.073426][ T32] r4:00000001 [ 1327.073473][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.073525][ T32] Exception stack(0xea891fb0 to 0xea891ff8) [ 1327.073555][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.073583][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.073610][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.073640][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.073661][ T32] r4:85065440 [ 1327.074178][ T32] INFO: task kworker/1:210:3957 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.074239][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.074349][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.074412][ T32] Call trace: [ 1327.074469][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.074522][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.074553][ T32] r4:00000000 [ 1327.074580][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.074619][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.074648][ T32] dd20: d1cff000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.074676][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.074765][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.074817][ T32] r5:80070013 r4:80239bb0 [ 1327.074863][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.074912][ T32] r4:82ac11a4 [ 1327.074933][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.074979][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.075001][ T32] r4:e883ddc0 [ 1327.075019][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.075077][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.075123][ T32] r4:00000000 [ 1327.075166][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.075214][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.075237][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.075278][ T32] r5:00001000 r4:e47a2000 [ 1327.075299][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.075337][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.075377][ T32] r5:84fe978c r4:84fe9400 [ 1327.075397][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1327.075506][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1327.075831][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1327.076268][ T32] r4:8503d400 ** 4 printk messages dropped ** [ 1327.076473][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8ade08 ** 9 printk messages dropped ** [ 1327.076808][ T32] r5:00001000 r4:dfc6f000 [ 1327.076831][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1327.076971][ T32] r7:ddde2d80 r6:83018200 r5:8500778c r4:84c5e900 ** 6 printk messages dropped ** [ 1327.077312][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1327.078008][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1327.078530][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1327.078757][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1327.079333][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1327.089392][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1327.089508][ T32] r4:84e5a440 [ 1327.089564][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.089600][ T32] INFO: task kworker/1:212:3961 blocked for more than 453 seconds. [ 1327.089657][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.089686][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.089755][ T32] task:kworker/1:212 state:D stack:0 pid:3961 tgid:3961 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.090415][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.090527][ T32] Call trace: [ 1327.090589][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.090651][ T32] r10:8291880c r9:e8825d84 r8:00000002 r7:60000113 r6:e8825d8c r5:8503e000 [ 1327.090692][ T32] r4:8503e000 [ 1327.090735][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.090781][ T32] r5:8503e000 r4:82918808 [ 1327.090802][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.090859][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.090940][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8825e08 [ 1327.090969][ T32] r4:00000000 [ 1327.090989][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.091038][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.091094][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.091140][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850658c0 [ 1327.091164][ T32] r4:00000000 [ 1327.091183][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.091237][ T32] r9:83018205 r8:8503e000 r7:00000000 r6:83018200 r5:00001000 r4:7f02f000 [ 1327.091262][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.091304][ T32] r5:00001000 r4:dfccf000 [ 1327.091325][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.091363][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.091404][ T32] r5:85007b8c r4:85007800 [ 1327.091423][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.091467][ T32] r7:ddde2d80 r6:83018200 r5:85007b8c r4:84c5ea00 [ 1327.091509][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.091557][ T32] r10:61c88647 r9:8503e000 r8:84c5ea2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.091579][ T32] r4:84c5ea00 [ 1327.091598][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.091661][ T32] r10:00000000 r9:84c5ea00 r8:8027f5e8 r7:ea891e60 r6:84c5ea80 r5:8503e000 [ 1327.091716][ T32] r4:00000001 [ 1327.091739][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.091777][ T32] Exception stack(0xe8825fb0 to 0xe8825ff8) [ 1327.091804][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.091841][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.091871][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.091920][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.091967][ T32] r4:85065800 [ 1327.092502][ T32] INFO: task kworker/1:212:3961 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.092553][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.092640][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.092708][ T32] Call trace: [ 1327.092784][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.092856][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.092883][ T32] r4:00000000 [ 1327.092934][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.092987][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.093016][ T32] dd20: d1cff000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.093060][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.093089][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.093112][ T32] r5:80070013 r4:80239bb0 [ 1327.093154][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.093228][ T32] r4:82ac11a4 [ 1327.093253][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.093303][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.093348][ T32] r4:e883ddc0 [ 1327.093370][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.093416][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.093439][ T32] r4:00000000 [ 1327.093463][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.093506][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 3 printk messages dropped ** [ 1327.093684][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1327.094023][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 9 printk messages dropped ** [ 1327.094454][ T32] INFO: task kworker/1:213:3965 blocked for more than 453 seconds. ** 7 printk messages dropped ** [ 1327.094808][ T32] r4:8503ec00 ** 4 printk messages dropped ** [ 1327.094990][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8849e08 ** 9 printk messages dropped ** [ 1327.095423][ T32] r5:00001000 r4:dfd7f000 [ 1327.095451][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1327.095614][ T32] r7:ddde2d80 r6:83018200 r5:8500878c r4:84c5eb00 ** 5 printk messages dropped ** [ 1327.095830][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1327.095990][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1327.096855][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1327.097079][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1327.097397][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1327.097971][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1327.098381][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1327.098673][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.099071][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1327.099436][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.099475][ T32] r5:00001000 r4:dfd33000 ** 4 printk messages dropped ** [ 1327.099753][ T32] r7:ddde2d80 r6:83018200 r5:8500838c r4:84c5ec00 ** 4 printk messages dropped ** [ 1327.128424][ T32] r10:00000000 r9:84c5ec00 r8:8027f5e8 r7:e8849e60 r6:84c5ec80 r5:8503c800 [ 1327.128505][ T32] r4:00000001 [ 1327.128560][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.128672][ T32] Exception stack(0xe8861fb0 to 0xe8861ff8) [ 1327.128744][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.128812][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.128875][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.128941][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.128990][ T32] r4:85065980 [ 1327.145142][ T32] INFO: task kworker/1:214:3966 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.145330][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.145508][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.145683][ T32] Call trace: [ 1327.145809][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.145969][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.146049][ T32] r4:00000000 [ 1327.146220][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.146304][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.146359][ T32] dd20: d2408000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.146394][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.146419][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.146488][ T32] r5:80070013 r4:80239bb0 [ 1327.146608][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.146660][ T32] r4:82ac11a4 [ 1327.146680][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.146736][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.146761][ T32] r4:e883ddc0 [ 1327.146791][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.146839][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.146883][ T32] r4:00000000 [ 1327.146906][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.146975][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.147107][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.147238][ T32] r5:00001000 r4:e47a2000 [ 1327.147299][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.147391][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.147483][ T32] r5:84fe978c r4:84fe9400 [ 1327.147532][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.147628][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.147675][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.147774][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.147828][ T32] r4:8454d880 [ 1327.147928][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.148064][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.148119][ T32] r4:00000001 [ 1327.148166][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.148242][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.148301][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.148365][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.148429][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.148493][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.148549][ T32] r4:84e5a440 [ 1327.148600][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.148667][ T32] INFO: task kworker/1:215:3968 blocked for more than 453 seconds. [ 1327.148743][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.148822][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.148880][ T32] task:kworker/1:215 state:D stack:0 pid:3968 tgid:3968 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.148983][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.149091][ T32] Call trace: [ 1327.149212][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.149318][ T32] r10:8291880c r9:ea96dd84 r8:00000002 r7:60000013 r6:ea96dd8c r5:8503b000 [ 1327.149374][ T32] r4:8503b000 [ 1327.149410][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 4 printk messages dropped ** [ 1327.149609][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1327.153823][ T32] r9:83018205 r8:8503b000 r7:00000000 r6:83018200 r5:00001000 r4:7f065000 ** 1 printk messages dropped ** [ 1327.153957][ T32] r5:00001000 r4:dfdbf000 [ 1327.154036][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1327.154397][ T32] r7:ddde2d80 r6:83018200 r5:85008b8c r4:84c5ed00 ** 7 printk messages dropped ** [ 1327.155015][ T32] Exception stack(0xea96dfb0 to 0xea96dff8) ** 6 printk messages dropped ** [ 1327.156336][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1327.157711][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1327.158099][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 10 printk messages dropped ** [ 1327.159094][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1327.159725][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.180636][ T32] Workqueue: events bpf_prog_free_deferred ** 9 printk messages dropped ** [ 1327.181275][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1327.181787][ T32] r9:83018205 r8:85040000 r7:00000000 r6:83018200 r5:00001000 r4:7f06b000 ** 1 printk messages dropped ** [ 1327.181932][ T32] r5:00001000 r4:dff4d000 ** 2 printk messages dropped ** [ 1327.182177][ T32] r5:8500978c r4:85009400 ** 4 printk messages dropped ** [ 1327.182388][ T32] r4:84c5ee00 ** 5 printk messages dropped ** [ 1327.182579][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1327.183456][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1327.183797][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1327.183972][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1327.184400][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1327.184505][ T32] r4:00000001 [ 1327.184523][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.184556][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.184580][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.184607][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.184632][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.184669][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.184694][ T32] r4:84e5a440 [ 1327.184714][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.184738][ T32] INFO: task kworker/1:217:3971 blocked for more than 453 seconds. [ 1327.184766][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.184809][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.184833][ T32] task:kworker/1:217 state:D stack:0 pid:3971 tgid:3971 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.184875][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.184942][ T32] Call trace: [ 1327.185016][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.185137][ T32] r10:8291880c r9:e8855d84 r8:00000002 r7:60000113 r6:e8855d8c r5:85040c00 [ 1327.185192][ T32] r4:85040c00 [ 1327.185238][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.185328][ T32] r5:85040c00 r4:82918808 [ 1327.185375][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.185454][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.185550][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8855e08 [ 1327.185605][ T32] r4:00000000 [ 1327.185656][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.185736][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.185812][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.185901][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8459a080 [ 1327.185952][ T32] r4:00000000 [ 1327.185996][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.186099][ T32] r9:83018205 r8:85040c00 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1327.186146][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.186264][ T32] r5:00001000 r4:dfde3000 [ 1327.186313][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.186401][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.186494][ T32] r5:85008f8c r4:85008c00 [ 1327.186538][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.186641][ T32] r7:ddde2d80 r6:83018200 r5:85008f8c r4:84c5ef00 [ 1327.186706][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.186803][ T32] r10:61c88647 r9:85040c00 r8:84c5ef2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.186858][ T32] r4:84c5ef00 [ 1327.186905][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.187000][ T32] r10:00000000 r9:84c5ef00 r8:8027f5e8 r7:e886de60 r6:84c5ef80 r5:85040c00 [ 1327.187061][ T32] r4:00000001 [ 1327.187108][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.187159][ T32] Exception stack(0xe8855fb0 to 0xe8855ff8) [ 1327.187185][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.187213][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.187239][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.187267][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.187308][ T32] r4:85065d80 [ 1327.187656][ T32] INFO: task kworker/1:217:3971 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.187691][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.187774][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.187823][ T32] Call trace: [ 1327.187864][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.187917][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.187941][ T32] r4:00000000 [ 1327.187961][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.188023][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.188056][ T32] dd20: d25b8000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.188084][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.188109][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.188132][ T32] r5:80070013 r4:80239bb0 [ 1327.188151][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.188195][ T32] r4:82ac11a4 [ 1327.188215][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.188261][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.188283][ T32] r4:e883ddc0 [ 1327.188301][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.188357][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.188383][ T32] r4:00000000 [ 1327.188411][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.188458][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.188480][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.188552][ T32] r5:00001000 r4:e47a2000 [ 1327.188605][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.188696][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.188805][ T32] r5:84fe978c r4:84fe9400 [ 1327.188859][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.188967][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.189018][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.189140][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.189196][ T32] r4:8454d880 [ 1327.189246][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1327.189718][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1327.215873][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.216610][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.217160][ T32] r5:00001000 r4:dff0f000 [ 1327.217193][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1327.217365][ T32] r7:ddde2d80 r6:83018200 r5:8500938c r4:85074000 ** 1 printk messages dropped ** [ 1327.217439][ T32] r10:61c88647 r9:85041800 r8:8507402c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.217472][ T32] r4:85074000 [ 1327.217503][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.217572][ T32] r10:00000000 r9:85074000 r8:8027f5e8 r7:e886de60 r6:85074080 r5:85041800 [ 1327.217597][ T32] r4:00000001 [ 1327.217627][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.217669][ T32] Exception stack(0xea971fb0 to 0xea971ff8) [ 1327.217706][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.217738][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.217765][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.217793][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.217815][ T32] r4:8506e000 [ 1327.218330][ T32] INFO: task kworker/1:218:3974 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.218366][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.218425][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.218469][ T32] Call trace: [ 1327.218508][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.218556][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.218580][ T32] r4:00000000 [ 1327.218599][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.218635][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.218675][ T32] dd20: d29ac000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.218707][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.218751][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.218796][ T32] r5:80070013 r4:80239bb0 [ 1327.218819][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.218863][ T32] r4:82ac11a4 [ 1327.218883][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.218928][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.218980][ T32] r4:e883ddc0 [ 1327.219044][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.219105][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 3 printk messages dropped ** [ 1327.219232][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1327.219544][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1327.233700][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1327.234448][ T32] Call trace: ** 4 printk messages dropped ** [ 1327.234867][ T32] r5:85042400 r4:82918808 ** 5 printk messages dropped ** [ 1327.235171][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1327.235418][ T32] r5:00001000 r4:e000b000 [ 1327.235437][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.235474][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.235514][ T32] r5:8500a38c r4:8500a000 [ 1327.235543][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.235623][ T32] r7:ddde2d80 r6:83018200 r5:8500a38c r4:85074100 [ 1327.235657][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.235714][ T32] r10:61c88647 r9:85042400 r8:8507412c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.235738][ T32] r4:85074100 [ 1327.235780][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.235828][ T32] r10:00000000 r9:85074100 r8:8027f5e8 r7:e886de60 r6:85074180 r5:85042400 [ 1327.235859][ T32] r4:00000001 [ 1327.235901][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.235941][ T32] Exception stack(0xea985fb0 to 0xea985ff8) [ 1327.235983][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.236013][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.236045][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.236073][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.236107][ T32] r4:8506e240 [ 1327.236597][ T32] INFO: task kworker/1:219:3977 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.236648][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.236785][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.236836][ T32] Call trace: [ 1327.236867][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.236916][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.236939][ T32] r4:00000000 [ 1327.236958][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.237013][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.237049][ T32] dd20: d2e1f000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.237079][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.237125][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.237151][ T32] r5:80070013 r4:80239bb0 [ 1327.237172][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.237238][ T32] r4:82ac11a4 [ 1327.237283][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.237354][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.237380][ T32] r4:e883ddc0 [ 1327.237420][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.237487][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.237512][ T32] r4:00000000 [ 1327.237532][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.237596][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.237622][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.237667][ T32] r5:00001000 r4:e47a2000 [ 1327.237715][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.237809][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.237903][ T32] r5:84fe978c r4:84fe9400 [ 1327.237997][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.238121][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 1 printk messages dropped ** [ 1327.238316][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1327.238943][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1327.260391][ T32] r4:85043000 ** 4 printk messages dropped ** [ 1327.260913][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea975e08 ** 9 printk messages dropped ** [ 1327.261673][ T32] r5:00001000 r4:dff95000 [ 1327.261721][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.261804][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1327.262279][ T32] r10:61c88647 r9:85043000 r8:8507422c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1327.262874][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1327.264478][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1327.265239][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1327.265771][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1327.266369][ T32] r5:84fe978c r4:84fe9400 ** 4 printk messages dropped ** [ 1327.266767][ T32] r4:8454d880 ** 2 printk messages dropped ** [ 1327.266974][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1327.267469][ T32] r4:84e5a440 ** 5 printk messages dropped ** [ 1327.267798][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.268132][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.268741][ T32] r5:00001000 r4:dffd1000 [ 1327.268764][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.268802][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.268842][ T32] r5:85009f8c r4:85009c00 [ 1327.268861][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.268902][ T32] r7:ddde2d80 r6:83018200 r5:85009f8c r4:85074300 [ 1327.268944][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.268991][ T32] r10:61c88647 r9:85043c00 r8:8507432c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.269014][ T32] r4:85074300 [ 1327.269043][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.269101][ T32] r10:00000000 r9:85074300 r8:8027f5e8 r7:ea985e60 r6:85074380 r5:85043c00 [ 1327.269125][ T32] r4:00000001 [ 1327.269144][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.269190][ T32] Exception stack(0xea989fb0 to 0xea989ff8) [ 1327.269219][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1327.269247][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.269300][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.269334][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.269377][ T32] r4:8506e380 [ 1327.269720][ T32] INFO: task kworker/1:221:3981 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.269806][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.296502][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.296592][ T32] Call trace: [ 1327.296626][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.296683][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.296719][ T32] r4:00000000 [ 1327.296744][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.296830][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.296894][ T32] dd20: d32dd000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.296961][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.297019][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.297088][ T32] r5:80070013 r4:80239bb0 [ 1327.297137][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.297234][ T32] r4:82ac11a4 [ 1327.297281][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.297382][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.297434][ T32] r4:e883ddc0 [ 1327.297484][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.297583][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.297656][ T32] r4:00000000 [ 1327.297709][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.297805][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.297860][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.297956][ T32] r5:00001000 r4:e47a2000 [ 1327.298005][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.298122][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.298253][ T32] r5:84fe978c r4:84fe9400 [ 1327.298352][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.298474][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.298564][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.298682][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.298734][ T32] r4:8454d880 [ 1327.298781][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.298878][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.298929][ T32] r4:00000001 [ 1327.298979][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.299082][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.299141][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.299207][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.299277][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.299428][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.299513][ T32] r4:84e5a440 [ 1327.299589][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 7 printk messages dropped ** [ 1327.307056][ T32] r10:8291880c r9:ea98dd84 r8:00000002 r7:60000113 r6:ea98dd8c r5:85044800 ** 6 printk messages dropped ** [ 1327.307304][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1327.307522][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1327.307647][ T32] r5:00001000 r4:e006b000 [ 1327.307666][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.307703][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1327.307910][ T32] r10:61c88647 r9:85044800 r8:8507442c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1327.308265][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1327.309111][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 9 printk messages dropped ** [ 1327.309694][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 10 printk messages dropped ** [ 1327.324973][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1327.325631][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 10 printk messages dropped ** [ 1327.326397][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1327.327098][ T32] r4:85045400 ** 7 printk messages dropped ** [ 1327.327666][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1327.327993][ T32] r5:00001000 r4:e03af000 ** 1 printk messages dropped ** [ 1327.328056][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1327.328428][ T32] r10:00000000 r9:85074500 r8:8027f5e8 r7:ea98de60 r6:85074580 r5:85045400 ** 9 printk messages dropped ** [ 1327.329198][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1327.340337][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1327.340636][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 6 printk messages dropped ** [ 1327.340956][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.340998][ T32] r5:84fe978c r4:84fe9400 [ 1327.341030][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.341081][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.341102][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.341166][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.341192][ T32] r4:8454d880 [ 1327.341212][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.341256][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.341278][ T32] r4:00000001 [ 1327.341319][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.341361][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.341391][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.341428][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.341458][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.341486][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.341539][ T32] r4:84e5a440 [ 1327.341588][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.341621][ T32] INFO: task kworker/1:224:3986 blocked for more than 453 seconds. [ 1327.341677][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.341724][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.341760][ T32] task:kworker/1:224 state:D stack:0 pid:3986 tgid:3986 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.341842][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.341910][ T32] Call trace: [ 1327.341968][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.342022][ T32] r10:8291880c r9:ea995d84 r8:00000002 r7:60000013 r6:ea995d8c r5:85046000 [ 1327.342051][ T32] r4:85046000 [ 1327.342070][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.342109][ T32] r5:85046000 r4:82918808 [ 1327.342128][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.342164][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.342231][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea995e08 [ 1327.342276][ T32] r4:00000000 [ 1327.342301][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.342357][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.342418][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.342466][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506e940 [ 1327.342517][ T32] r4:00000000 [ 1327.342560][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.342606][ T32] r9:83018205 r8:85046000 r7:00000000 r6:83018200 r5:00001000 r4:7f075000 [ 1327.342628][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.342667][ T32] r5:00001000 r4:e008b000 [ 1327.342686][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.342723][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.342763][ T32] r5:8500ab8c r4:8500a800 [ 1327.342802][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.342849][ T32] r7:ddde2d80 r6:83018200 r5:8500ab8c r4:85074600 [ 1327.342871][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.342914][ T32] r10:61c88647 r9:85046000 r8:8507462c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.342936][ T32] r4:85074600 [ 1327.342954][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.342996][ T32] r10:00000000 r9:85074600 r8:8027f5e8 r7:ea991e60 r6:85074680 r5:85046000 [ 1327.343017][ T32] r4:00000001 [ 1327.343042][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.343078][ T32] Exception stack(0xea995fb0 to 0xea995ff8) [ 1327.343104][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.343132][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.343158][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.343185][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.343228][ T32] r4:8506e7c0 [ 1327.343761][ T32] INFO: task kworker/1:224:3986 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.343797][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.343889][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.343931][ T32] Call trace: [ 1327.343961][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.344031][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.344086][ T32] r4:00000000 [ 1327.344109][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.344147][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.344194][ T32] dd20: d3720000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.344227][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.344262][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.344297][ T32] r5:80070013 r4:80239bb0 [ 1327.344328][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 8 printk messages dropped ** [ 1327.344633][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 8 printk messages dropped ** [ 1327.344977][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1327.345298][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1327.345579][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.345631][ T32] Call trace: [ 1327.345670][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.345720][ T32] r10:8291880c r9:ea99dd84 r8:00000002 r7:60000113 r6:ea99dd8c r5:85046c00 [ 1327.345751][ T32] r4:85046c00 [ 1327.345793][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.345835][ T32] r5:85046c00 r4:82918808 [ 1327.345854][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.345889][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.345931][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea99de08 [ 1327.345952][ T32] r4:00000000 [ 1327.345992][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.346035][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.346081][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.346126][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506ec40 [ 1327.346182][ T32] r4:00000000 [ 1327.346223][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1327.346344][ T32] r5:00001000 r4:e03c7000 [ 1327.346363][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.346401][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1327.346522][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1327.346898][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.347659][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1327.348087][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1327.348296][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 10 printk messages dropped ** [ 1327.348701][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1327.349043][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1327.349446][ T32] Call trace: ** 4 printk messages dropped ** [ 1327.349651][ T32] r5:85048000 r4:82918808 ** 5 printk messages dropped ** [ 1327.380308][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1327.380575][ T32] r5:00001000 r4:e03df000 [ 1327.380595][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1327.380915][ T32] r10:61c88647 r9:85048000 r8:8507482c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1327.381236][ T32] r4:8506e8c0 ** 3 printk messages dropped ** [ 1327.381947][ T32] Call trace: ** 5 printk messages dropped ** [ 1327.382140][ T32] dd20: d3e8b000 edddd000 00000001 80239b98 7fb69000 00000001 ** 9 printk messages dropped ** [ 1327.382545][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 10 printk messages dropped ** [ 1327.382935][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.382980][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.383002][ T32] r4:8454d880 [ 1327.383020][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.383072][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.383094][ T32] r4:00000001 [ 1327.383136][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.383185][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.383214][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.383242][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.383268][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.383305][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.383376][ T32] r4:84e5a440 [ 1327.383400][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.383430][ T32] INFO: task kworker/1:227:3993 blocked for more than 453 seconds. [ 1327.383500][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.383530][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.383553][ T32] task:kworker/1:227 state:D stack:0 pid:3993 tgid:3993 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.383620][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.383664][ T32] Call trace: [ 1327.383718][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.383778][ T32] r10:8291880c r9:ea9a1d84 r8:00000002 r7:60000113 r6:ea9a1d8c r5:85048c00 [ 1327.383804][ T32] r4:85048c00 [ 1327.383832][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.383896][ T32] r5:85048c00 r4:82918808 [ 1327.383918][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.383955][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.383996][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9a1e08 [ 1327.384042][ T32] r4:00000000 [ 1327.384065][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.384102][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.384138][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.384191][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506ef40 [ 1327.384216][ T32] r4:00000000 [ 1327.384236][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.384301][ T32] r9:83018205 r8:85048c00 r7:00000000 r6:83018200 r5:00001000 r4:7f07d000 [ 1327.384327][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.384390][ T32] r5:00001000 r4:e048d000 [ 1327.384413][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.384452][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.384491][ T32] r5:8500bb8c r4:8500b800 [ 1327.384512][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.384554][ T32] r7:ddde2d80 r6:83018200 r5:8500bb8c r4:85074900 [ 1327.384596][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.384660][ T32] r10:61c88647 r9:85048c00 r8:8507492c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.384685][ T32] r4:85074900 [ 1327.384704][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.384747][ T32] r10:00000000 r9:85074900 r8:8027f5e8 r7:ea999e60 r6:85074980 r5:85048c00 [ 1327.384769][ T32] r4:00000001 [ 1327.384788][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.384824][ T32] Exception stack(0xea9a1fb0 to 0xea9a1ff8) [ 1327.384849][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.384878][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.384904][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.384931][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.384953][ T32] r4:8506ebc0 [ 1327.385300][ T32] INFO: task kworker/1:227:3993 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.385355][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.385436][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.385500][ T32] Call trace: [ 1327.385562][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.385614][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 4 printk messages dropped ** [ 1327.385774][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 11 printk messages dropped ** [ 1327.386224][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 8 printk messages dropped ** [ 1327.386660][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1327.387029][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1327.387451][ T32] Call trace: ** 6 printk messages dropped ** [ 1327.387735][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.388182][ T32] r5:00001000 r4:e0539000 [ 1327.388223][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1327.388432][ T32] r7:ddde2d80 r6:83018200 r5:8500bf8c r4:85074a00 ** 7 printk messages dropped ** [ 1327.388716][ T32] Exception stack(0xea9a5fb0 to 0xea9a5ff8) ** 4 printk messages dropped ** [ 1327.388891][ T32] r4:8506ebc0 [ 1327.389219][ T32] INFO: task kworker/1:228:3994 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.389274][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.389357][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.389424][ T32] Call trace: [ 1327.389455][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.389512][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.389538][ T32] r4:00000000 [ 1327.389558][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.389594][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.389621][ T32] dd20: d3e8b000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.389648][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.389706][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.389794][ T32] r5:80070013 r4:80239bb0 [ 1327.410512][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.410616][ T32] r4:82ac11a4 [ 1327.410639][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.410688][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.410711][ T32] r4:e883ddc0 [ 1327.410730][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.410825][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.410872][ T32] r4:00000000 [ 1327.410903][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.410950][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.410996][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.411044][ T32] r5:00001000 r4:e47a2000 [ 1327.411075][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.411139][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.411215][ T32] r5:84fe978c r4:84fe9400 [ 1327.411262][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.411316][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.411347][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.411421][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.411447][ T32] r4:8454d880 [ 1327.411468][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.411512][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.411534][ T32] r4:00000001 [ 1327.411553][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.411610][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.411647][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.411677][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.411703][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.411731][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.411788][ T32] r4:84e5a440 [ 1327.411839][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.411885][ T32] INFO: task kworker/1:229:3996 blocked for more than 453 seconds. [ 1327.411924][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.411968][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.412016][ T32] task:kworker/1:229 state:D stack:0 pid:3996 tgid:3996 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.412128][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.412178][ T32] Call trace: [ 1327.412219][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.412273][ T32] r10:8291880c r9:ea9a9d84 r8:00000002 r7:60000013 r6:ea9a9d8c r5:8504a400 [ 1327.412302][ T32] r4:8504a400 [ 1327.412322][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.412372][ T32] r5:8504a400 r4:82918808 [ 1327.412405][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.412467][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.412512][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9a9e08 ** 2 printk messages dropped ** [ 1327.412609][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1327.412912][ T32] r5:00001000 r4:e0575000 [ 1327.412931][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1327.413059][ T32] r5:8501438c r4:85014000 ** 4 printk messages dropped ** [ 1327.413261][ T32] r4:85074b00 ** 6 printk messages dropped ** [ 1327.413537][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.414483][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 11 printk messages dropped ** [ 1327.414958][ T32] r4:e883ddc0 ** 6 printk messages dropped ** [ 1327.415236][ T32] r5:00001000 r4:e47a2000 ** 5 printk messages dropped ** [ 1327.415490][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1327.415880][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1327.416169][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.416478][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1327.416823][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.416876][ T32] r5:00001000 r4:e058b000 [ 1327.416898][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.416938][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.416978][ T32] r5:8501478c r4:85014400 [ 1327.416997][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.417064][ T32] r7:ddde2d80 r6:83018200 r5:8501478c r4:85074c00 [ 1327.417112][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.417161][ T32] r10:61c88647 r9:8504b000 r8:85074c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.417206][ T32] r4:85074c00 [ 1327.417228][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.417271][ T32] r10:00000000 r9:85074c00 r8:8027f5e8 r7:ea9a9e60 r6:85074c80 r5:8504b000 [ 1327.417297][ T32] r4:00000001 [ 1327.417347][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.417387][ T32] Exception stack(0xea9adfb0 to 0xea9adff8) [ 1327.417414][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.417453][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.417483][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.417512][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.417533][ T32] r4:85089100 [ 1327.417871][ T32] INFO: task kworker/1:230:3998 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.417926][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.418027][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.418104][ T32] Call trace: [ 1327.418139][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.418222][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.418269][ T32] r4:00000000 [ 1327.418320][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.418370][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.418419][ T32] dd20: d4232000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.418457][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.418483][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.418516][ T32] r5:80070013 r4:80239bb0 [ 1327.418539][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.418584][ T32] r4:82ac11a4 [ 1327.418603][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.418648][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 6 printk messages dropped ** [ 1327.418879][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1327.419227][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1327.419487][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.419535][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.419568][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.419601][ T32] r4:84e5a440 [ 1327.419646][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.419700][ T32] INFO: task kworker/1:231:4000 blocked for more than 453 seconds. [ 1327.419777][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.452789][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.452839][ T32] task:kworker/1:231 state:D stack:0 pid:4000 tgid:4000 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.452922][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.452987][ T32] Call trace: [ 1327.453060][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.453124][ T32] r10:8291880c r9:ea9b1d84 r8:00000002 r7:60000013 r6:ea9b1d8c r5:8504bc00 [ 1327.453172][ T32] r4:8504bc00 [ 1327.453247][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.453317][ T32] r5:8504bc00 r4:82918808 [ 1327.453339][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.453400][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.453454][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9b1e08 [ 1327.453477][ T32] r4:00000000 [ 1327.453517][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.453593][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.453644][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.453720][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85089580 [ 1327.453757][ T32] r4:00000000 [ 1327.453781][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.453830][ T32] r9:83018205 r8:8504bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f085000 [ 1327.453851][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.453923][ T32] r5:00001000 r4:e05a3000 [ 1327.453974][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.454019][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.454063][ T32] r5:85014b8c r4:85014800 [ 1327.454084][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.454130][ T32] r7:ddde2d80 r6:83018200 r5:85014b8c r4:85074d00 [ 1327.454177][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.454281][ T32] r10:61c88647 r9:8504bc00 r8:85074d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.454320][ T32] r4:85074d00 [ 1327.454362][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.454449][ T32] r10:00000000 r9:85074d00 r8:8027f5e8 r7:ea9ade60 r6:85074d80 r5:8504bc00 [ 1327.454475][ T32] r4:00000001 [ 1327.454496][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.454559][ T32] Exception stack(0xea9b1fb0 to 0xea9b1ff8) [ 1327.454599][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.454631][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.454675][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.454709][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.454731][ T32] r4:85089340 [ 1327.455247][ T32] INFO: task kworker/1:231:4000 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.455282][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.455349][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.455393][ T32] Call trace: [ 1327.455470][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 7 printk messages dropped ** [ 1327.455778][ T32] r5:80070013 r4:80239bb0 ** 4 printk messages dropped ** [ 1327.456022][ T32] r4:e883ddc0 ** 6 printk messages dropped ** [ 1327.456243][ T32] r5:00001000 r4:e47a2000 ** 6 printk messages dropped ** [ 1327.456531][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1327.456791][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1327.457070][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.457427][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.457881][ T32] r5:00001000 r4:e0601000 [ 1327.457910][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.457972][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1327.458079][ T32] r7:ddde2d80 r6:83018200 r5:8501538c r4:85074e00 ** 7 printk messages dropped ** [ 1327.458368][ T32] Exception stack(0xea9b5fb0 to 0xea9b5ff8) ** 6 printk messages dropped ** [ 1327.458974][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1327.459599][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1327.474473][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 8 printk messages dropped ** [ 1327.474903][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1327.475310][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1327.475753][ T32] r4:8504d400 ** 4 printk messages dropped ** [ 1327.475962][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9bde08 ** 9 printk messages dropped ** [ 1327.476348][ T32] r5:00001000 r4:e05e3000 [ 1327.476393][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1327.476559][ T32] r7:ddde2d80 r6:83018200 r5:85014f8c r4:85074f00 ** 6 printk messages dropped ** [ 1327.476775][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.476841][ T32] Exception stack(0xea9bdfb0 to 0xea9bdff8) [ 1327.476872][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.476902][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.476928][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.476978][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.477004][ T32] r4:850893c0 [ 1327.477501][ T32] INFO: task kworker/1:233:4003 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.477554][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.477614][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.477658][ T32] Call trace: [ 1327.477699][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.477773][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.477800][ T32] r4:00000000 [ 1327.477821][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.477858][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.477906][ T32] dd20: d4b63000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.477939][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.477964][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.478009][ T32] r5:80070013 r4:80239bb0 [ 1327.478033][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.478078][ T32] r4:82ac11a4 [ 1327.478098][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.478144][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.478217][ T32] r4:e883ddc0 [ 1327.478243][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.478293][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.478316][ T32] r4:00000000 [ 1327.478347][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.478394][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.478416][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.478467][ T32] r5:00001000 r4:e47a2000 [ 1327.478490][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.478531][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.478594][ T32] r5:84fe978c r4:84fe9400 [ 1327.478618][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.478667][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.478688][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.478732][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.478765][ T32] r4:8454d880 [ 1327.478788][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.478853][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.478879][ T32] r4:00000001 [ 1327.478929][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.478970][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.478996][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.479023][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.479050][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.479078][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.479114][ T32] r4:84e5a440 [ 1327.479147][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.479175][ T32] INFO: task kworker/0:210:4005 blocked for more than 453 seconds. [ 1327.479204][ T32] Not tainted 6.15.0-syzkaller #0 ** 1 printk messages dropped ** [ 1327.479280][ T32] task:kworker/0:210 state:D stack:0 pid:4005 tgid:4005 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1327.479812][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1327.492417][ T32] r9:83018005 r8:84e79800 r7:00000000 r6:83018000 r5:00001000 r4:7f0c7000 ** 1 printk messages dropped ** [ 1327.492496][ T32] r5:00001000 r4:eaa83000 ** 2 printk messages dropped ** [ 1327.492603][ T32] r5:84fc9b8c r4:84fc9800 ** 4 printk messages dropped ** [ 1327.492778][ T32] r4:8505d400 ** 6 printk messages dropped ** [ 1327.492997][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.493817][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 9 printk messages dropped ** [ 1327.494121][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 10 printk messages dropped ** [ 1327.494581][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1327.494860][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1327.495041][ T32] r4:84e5a440 ** 5 printk messages dropped ** [ 1327.495217][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.495475][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.495949][ T32] r5:00001000 r4:e062b000 [ 1327.495972][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1327.496173][ T32] r7:ddde2d80 r6:83018200 r5:8501578c r4:850cb000 ** 6 printk messages dropped ** [ 1327.496420][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1327.497103][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1327.497248][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.497281][ T32] r4:00000000 [ 1327.497312][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.497350][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.497377][ T32] dd20: d4f51000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.497420][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.497448][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.497481][ T32] r5:80070013 r4:80239bb0 [ 1327.497504][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.497549][ T32] r4:82ac11a4 [ 1327.497568][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.497614][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.497636][ T32] r4:e883ddc0 [ 1327.497664][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.497712][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.497734][ T32] r4:00000000 [ 1327.497754][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.497829][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.497856][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.497897][ T32] r5:00001000 r4:e47a2000 [ 1327.497917][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.497955][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.497996][ T32] r5:84fe978c r4:84fe9400 [ 1327.498037][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.498087][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.498207][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.498264][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.498293][ T32] r4:8454d880 [ 1327.498314][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.498358][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.498380][ T32] r4:00000001 [ 1327.498398][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.498433][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.498457][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.498485][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.498511][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.498538][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.498583][ T32] r4:84e5a440 [ 1327.498609][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.498636][ T32] INFO: task kworker/1:235:4010 blocked for more than 454 seconds. [ 1327.498663][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.498684][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.498706][ T32] task:kworker/1:235 state:D stack:0 pid:4010 tgid:4010 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.498770][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.498813][ T32] Call trace: [ 1327.498890][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.498940][ T32] r10:8291880c r9:ea9d5d84 r8:00000002 r7:60000113 r6:ea9d5d8c r5:84e7bc00 [ 1327.498986][ T32] r4:84e7bc00 [ 1327.499030][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.499075][ T32] r5:84e7bc00 r4:82918808 [ 1327.499096][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.499130][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.499171][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9d5e08 ** 8 printk messages dropped ** [ 1327.499478][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.499518][ T32] r5:00001000 r4:e47d1000 [ 1327.499537][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1327.499695][ T32] r7:ddde2d80 r6:83018200 r5:8501638c r4:850cb080 ** 7 printk messages dropped ** [ 1327.523155][ T32] Exception stack(0xea9d5fb0 to 0xea9d5ff8) ** 6 printk messages dropped ** [ 1327.523991][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1327.524533][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1327.524712][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1327.524968][ T32] r5:84fe978c r4:84fe9400 ** 4 printk messages dropped ** [ 1327.525156][ T32] r4:8454d880 ** 6 printk messages dropped ** [ 1327.525405][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1327.525771][ T32] Call trace: ** 6 printk messages dropped ** [ 1327.526055][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.526536][ T32] r5:00001000 r4:e076d000 [ 1327.526556][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1327.526747][ T32] r7:ddde2d80 r6:83018200 r5:85015b8c r4:850cb100 ** 8 printk messages dropped ** [ 1327.527111][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1327.527884][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1327.528318][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1327.528623][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 8 printk messages dropped ** [ 1327.528956][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1327.529278][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.529305][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.529327][ T32] r4:84e5a440 [ 1327.529347][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.529403][ T32] INFO: task kworker/1:237:4013 blocked for more than 454 seconds. [ 1327.529465][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.529507][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.529539][ T32] task:kworker/1:237 state:D stack:0 pid:4013 tgid:4013 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.529603][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.529668][ T32] Call trace: [ 1327.529723][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.529819][ T32] r10:8291880c r9:ea9e5d84 r8:00000002 r7:60000113 r6:ea9e5d8c r5:84e7b000 [ 1327.552672][ T32] r4:84e7b000 [ 1327.552717][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.552786][ T32] r5:84e7b000 r4:82918808 [ 1327.552829][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.552895][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.552942][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9e5e08 [ 1327.552965][ T32] r4:00000000 [ 1327.553005][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.553071][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.553121][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.553186][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85089e80 [ 1327.553246][ T32] r4:00000000 [ 1327.553336][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.553391][ T32] r9:83018205 r8:84e7b000 r7:00000000 r6:83018200 r5:00001000 r4:7f091000 [ 1327.553414][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.553462][ T32] r5:00001000 r4:e47a9000 [ 1327.553484][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.553555][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.553602][ T32] r5:85015f8c r4:85015c00 [ 1327.553623][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.553669][ T32] r7:ddde2d80 r6:83018200 r5:85015f8c r4:850cb180 [ 1327.553710][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.553779][ T32] r10:61c88647 r9:84e7b000 r8:850cb1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.553806][ T32] r4:850cb180 [ 1327.553826][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.553918][ T32] r10:00000000 r9:850cb180 r8:8027f5e8 r7:ea9d5e60 r6:8505d680 r5:84e7b000 [ 1327.553943][ T32] r4:00000001 [ 1327.553964][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.554023][ T32] Exception stack(0xea9e5fb0 to 0xea9e5ff8) [ 1327.554063][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.554092][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.554118][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.554147][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.554168][ T32] r4:85089b40 [ 1327.554706][ T32] INFO: task kworker/1:237:4013 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.554767][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.554867][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.554973][ T32] Call trace: [ 1327.555035][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.555094][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.555119][ T32] r4:00000000 [ 1327.555172][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.555234][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.555302][ T32] dd20: d5c18000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.555333][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.555379][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.555406][ T32] r5:80070013 r4:80239bb0 [ 1327.555427][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.555471][ T32] r4:82ac11a4 [ 1327.555513][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.555562][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.555585][ T32] r4:e883ddc0 [ 1327.555624][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.555671][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.555694][ T32] r4:00000000 [ 1327.555725][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.555772][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.555815][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.555860][ T32] r5:00001000 r4:e47a2000 [ 1327.555901][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.555954][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.555999][ T32] r5:84fe978c r4:84fe9400 [ 1327.556019][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.556072][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.556093][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1327.556286][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1327.556464][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1327.556803][ T32] Call trace: ** 6 printk messages dropped ** [ 1327.557184][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.557709][ T32] r5:00001000 r4:e880f000 [ 1327.557731][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1327.557809][ T32] r5:85016f8c r4:85016c00 [ 1327.557848][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.557894][ T32] r7:ddde2d80 r6:83018200 r5:85016f8c r4:850cb200 [ 1327.557915][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.557980][ T32] r10:61c88647 r9:84e7c800 r8:850cb22c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.558006][ T32] r4:850cb200 [ 1327.558025][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.558095][ T32] r10:00000000 r9:850cb200 r8:8027f5e8 r7:ea9d5e60 r6:8505d700 r5:84e7c800 [ 1327.558120][ T32] r4:00000001 [ 1327.558155][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.558218][ T32] Exception stack(0xea9edfb0 to 0xea9edff8) [ 1327.558246][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.558275][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.558301][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.558349][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.558374][ T32] r4:85089c80 [ 1327.558700][ T32] INFO: task kworker/1:238:4015 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.558732][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.558809][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.558855][ T32] Call trace: [ 1327.558884][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.558941][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.558967][ T32] r4:00000000 [ 1327.558987][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.559023][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.559056][ T32] dd20: d5c18000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.559085][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.559122][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.559150][ T32] r5:80070013 r4:80239bb0 [ 1327.559169][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.559213][ T32] r4:82ac11a4 [ 1327.559233][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.559289][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.559324][ T32] r4:e883ddc0 [ 1327.559343][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.559386][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.559428][ T32] r4:00000000 [ 1327.559471][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.559518][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.559560][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.559622][ T32] r5:00001000 r4:e47a2000 [ 1327.559646][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.559686][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.559726][ T32] r5:84fe978c r4:84fe9400 [ 1327.559746][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.570899][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.570982][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.571061][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.571086][ T32] r4:8454d880 [ 1327.571106][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 5 printk messages dropped ** [ 1327.571293][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.571611][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.572028][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.572494][ T32] r5:00001000 r4:eaa7b000 [ 1327.572515][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.572574][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1327.572775][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1327.573091][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1327.573851][ T32] Call trace: ** 4 printk messages dropped ** [ 1327.574013][ T32] Exception stack(0xe883dd28 to 0xe883dd70) ** 7 printk messages dropped ** [ 1327.574384][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 9 printk messages dropped ** [ 1327.574704][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1327.575132][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1327.575346][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1327.575713][ T32] r4:84e7e000 ** 4 printk messages dropped ** [ 1327.575935][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9fde08 ** 9 printk messages dropped ** [ 1327.576318][ T32] r5:00001000 r4:e47e1000 [ 1327.576337][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1327.576497][ T32] r7:ddde2d80 r6:83018200 r5:8501678c r4:850cb280 ** 7 printk messages dropped ** [ 1327.576722][ T32] Exception stack(0xea9fdfb0 to 0xea9fdff8) ** 6 printk messages dropped ** [ 1327.577336][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 13 printk messages dropped ** [ 1327.577967][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 10 printk messages dropped ** [ 1327.578381][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1327.578515][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.578539][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.578583][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.578605][ T32] r4:8454d880 [ 1327.578642][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.578689][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.578711][ T32] r4:00000001 [ 1327.578730][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.578764][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.578790][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.578817][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.578862][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.578894][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.578916][ T32] r4:84e5a440 [ 1327.578936][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.578960][ T32] INFO: task kworker/1:240:4021 blocked for more than 454 seconds. [ 1327.578987][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.579009][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.579030][ T32] task:kworker/1:240 state:D stack:0 pid:4021 tgid:4021 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.579079][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.579118][ T32] Call trace: [ 1327.579147][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.579193][ T32] r10:8291880c r9:eaa01d84 r8:00000002 r7:60000013 r6:eaa01d8c r5:84e7d400 [ 1327.579216][ T32] r4:84e7d400 [ 1327.579255][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.579335][ T32] r5:84e7d400 r4:82918808 [ 1327.579388][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.579441][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.579513][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa01e08 [ 1327.579559][ T32] r4:00000000 [ 1327.579594][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.579653][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.579694][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.579737][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85089700 [ 1327.610236][ T32] r4:00000000 [ 1327.610320][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.610397][ T32] r9:83018205 r8:84e7d400 r7:00000000 r6:83018200 r5:00001000 r4:7f099000 [ 1327.610421][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.610501][ T32] r5:00001000 r4:e47f1000 [ 1327.610530][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.610596][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.610665][ T32] r5:85016b8c r4:85016800 [ 1327.610711][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.610783][ T32] r7:ddde2d80 r6:83018200 r5:85016b8c r4:850cb300 [ 1327.610809][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.610877][ T32] r10:61c88647 r9:84e7d400 r8:850cb32c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.610912][ T32] r4:850cb300 [ 1327.610935][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.610990][ T32] r10:00000000 r9:850cb300 r8:8027f5e8 r7:ea9ede60 r6:8505d900 r5:84e7d400 [ 1327.611015][ T32] r4:00000001 [ 1327.611061][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.611105][ T32] Exception stack(0xeaa01fb0 to 0xeaa01ff8) [ 1327.611135][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.611164][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.611214][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.611247][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.611271][ T32] r4:85089e00 [ 1327.611796][ T32] INFO: task kworker/1:240:4021 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.611856][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.611931][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.611990][ T32] Call trace: [ 1327.612055][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.612109][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.612132][ T32] r4:00000000 [ 1327.612167][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.612230][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.612261][ T32] dd20: d659f000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.612293][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.612340][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.612369][ T32] r5:80070013 r4:80239bb0 [ 1327.612390][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.612437][ T32] r4:82ac11a4 [ 1327.612458][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.612504][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.612547][ T32] r4:e883ddc0 [ 1327.612572][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.612617][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 3 printk messages dropped ** [ 1327.612780][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1327.613173][ T32] r4:8454d880 ** 6 printk messages dropped ** [ 1327.613415][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.613822][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.614158][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.614624][ T32] r5:00001000 r4:eaacf000 [ 1327.614643][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1327.614978][ T32] r4:850cb400 [ 1327.615000][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.615049][ T32] r10:00000000 r9:850cb400 r8:8027f5e8 r7:ea9ede60 r6:8505d980 r5:84e78c00 [ 1327.615071][ T32] r4:00000001 [ 1327.615091][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.615148][ T32] Exception stack(0xeaa09fb0 to 0xeaa09ff8) [ 1327.615198][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1327.615229][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.615255][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.615283][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.615305][ T32] r4:850da100 [ 1327.615631][ T32] INFO: task kworker/1:241:4023 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.615673][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.615752][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.615798][ T32] Call trace: [ 1327.615863][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.615913][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.615946][ T32] r4:00000000 [ 1327.615994][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.616049][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.616080][ T32] dd20: d659f000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.616129][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.616158][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.616202][ T32] r5:80070013 r4:80239bb0 [ 1327.616225][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.616269][ T32] r4:82ac11a4 [ 1327.616288][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.616344][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.616370][ T32] r4:e883ddc0 [ 1327.616390][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.616433][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.616455][ T32] r4:00000000 [ 1327.616473][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.616515][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.616558][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.616603][ T32] r5:00001000 r4:e47a2000 [ 1327.616623][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.616661][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.616722][ T32] r5:84fe978c r4:84fe9400 [ 1327.616745][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.616791][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.616812][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1327.617010][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1327.617256][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1327.617631][ T32] Call trace: ** 4 printk messages dropped ** [ 1327.617814][ T32] r5:84f94800 r4:82918808 ** 5 printk messages dropped ** [ 1327.618087][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1327.618417][ T32] r5:00001000 r4:e8845000 [ 1327.618437][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1327.618639][ T32] r7:ddde2d80 r6:83018200 r5:8501738c r4:850cb380 [ 1327.618683][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.618731][ T32] r10:61c88647 r9:84f94800 r8:850cb3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.618774][ T32] r4:850cb380 [ 1327.618797][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.618841][ T32] r10:00000000 r9:850cb380 r8:8027f5e8 r7:eaa09e60 r6:8505da00 r5:84f94800 [ 1327.618885][ T32] r4:00000001 [ 1327.618930][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.618968][ T32] Exception stack(0xeaa11fb0 to 0xeaa11ff8) [ 1327.619016][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.619057][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.619085][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.619133][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.619158][ T32] r4:850da200 [ 1327.619510][ T32] INFO: task kworker/1:242:4025 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.619585][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.619662][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.619752][ T32] Call trace: [ 1327.640800][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.640882][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.640931][ T32] r4:00000000 [ 1327.640999][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.641051][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.641085][ T32] dd20: d6970000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.641135][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.641163][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.641210][ T32] r5:80070013 r4:80239bb0 [ 1327.641234][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.641301][ T32] r4:82ac11a4 [ 1327.641337][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.641386][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.641409][ T32] r4:e883ddc0 [ 1327.641428][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.641471][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.641493][ T32] r4:00000000 [ 1327.641532][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1327.641747][ T32] r5:84fe978c r4:84fe9400 ** 3 printk messages dropped ** [ 1327.641912][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1327.642255][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1327.642748][ T32] r4:84cd5400 ** 4 printk messages dropped ** [ 1327.642944][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa19e08 ** 9 printk messages dropped ** [ 1327.643357][ T32] r5:00001000 r4:e8875000 [ 1327.643380][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.643468][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1327.643669][ T32] r10:61c88647 r9:84cd5400 r8:850cb4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1327.643988][ T32] r4:850da140 ** 3 printk messages dropped ** [ 1327.644667][ T32] Call trace: ** 6 printk messages dropped ** [ 1327.644990][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 9 printk messages dropped ** [ 1327.645500][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1327.645714][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1327.646098][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1327.646332][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1327.646720][ T32] Call trace: ** 6 printk messages dropped ** [ 1327.647064][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1327.647312][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.647355][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850da580 [ 1327.647391][ T32] r4:00000000 [ 1327.647453][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.647523][ T32] r9:83018205 r8:84f98c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.647548][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.647592][ T32] r5:00001000 r4:ea979000 [ 1327.647612][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.647671][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.647717][ T32] r5:85017b8c r4:85017800 [ 1327.647737][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.647790][ T32] r7:ddde2d80 r6:83018200 r5:85017b8c r4:850cb500 [ 1327.647814][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.647876][ T32] r10:61c88647 r9:84f98c00 r8:850cb52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.647902][ T32] r4:850cb500 [ 1327.647922][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.647984][ T32] r10:00000000 r9:850cb500 r8:8027f5e8 r7:eaa09e60 r6:8505db00 r5:84f98c00 [ 1327.648009][ T32] r4:00000001 [ 1327.648058][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.648119][ T32] Exception stack(0xeaa25fb0 to 0xeaa25ff8) [ 1327.648148][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.648177][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.648203][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.648268][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.648310][ T32] r4:850da240 [ 1327.648637][ T32] INFO: task kworker/1:244:4029 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.648670][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.648751][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.648826][ T32] Call trace: [ 1327.648875][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.648937][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.648963][ T32] r4:00000000 [ 1327.649004][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.649052][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.649080][ T32] dd20: d6970000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.649160][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.649190][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.649214][ T32] r5:80070013 r4:80239bb0 [ 1327.649235][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.649279][ T32] r4:82ac11a4 [ 1327.649299][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.649345][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.649367][ T32] r4:e883ddc0 [ 1327.649407][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.649474][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.649499][ T32] r4:00000000 [ 1327.649520][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.649585][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.649610][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1327.674370][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1327.674646][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.675032][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.675318][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1327.675703][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.675764][ T32] r5:00001000 r4:eaa2b000 ** 2 printk messages dropped ** [ 1327.675887][ T32] r5:85017f8c r4:85017c00 ** 6 printk messages dropped ** [ 1327.676243][ T32] r10:00000000 r9:850cb580 r8:8027f5e8 r7:eaa09e60 r6:8505db80 r5:84f98000 ** 7 printk messages dropped ** [ 1327.676555][ T32] r4:850da340 [ 1327.677067][ T32] INFO: task kworker/1:245:4031 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.677102][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.677208][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.677258][ T32] Call trace: [ 1327.677308][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.677361][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.677384][ T32] r4:00000000 [ 1327.677404][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.677440][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.677467][ T32] dd20: d6cc2000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.677495][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.677521][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.677543][ T32] r5:80070013 r4:80239bb0 [ 1327.677563][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.677627][ T32] r4:82ac11a4 [ 1327.677672][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.677722][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.677765][ T32] r4:e883ddc0 [ 1327.677788][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.677832][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.677897][ T32] r4:00000000 [ 1327.677921][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.677965][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.677989][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.678029][ T32] r5:00001000 r4:e47a2000 [ 1327.678058][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.678097][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.678137][ T32] r5:84fe978c r4:84fe9400 [ 1327.678156][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.678227][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.678249][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.678314][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.678340][ T32] r4:8454d880 [ 1327.678360][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.678405][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.678427][ T32] r4:00000001 [ 1327.678445][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.678500][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.678530][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.678578][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.678619][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.678650][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.678672][ T32] r4:84e5a440 [ 1327.678692][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.678718][ T32] INFO: task kworker/1:246:4033 blocked for more than 454 seconds. [ 1327.678767][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.678794][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.678816][ T32] task:kworker/1:246 state:D stack:0 pid:4033 tgid:4033 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.678881][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.678945][ T32] Call trace: ** 2 printk messages dropped ** [ 1327.679055][ T32] r4:84f9b000 ** 3 printk messages dropped ** [ 1327.679185][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.679635][ T32] r5:00001000 r4:eaa3b000 [ 1327.679655][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.679726][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1327.694277][ T32] r7:ddde2d80 r6:83018200 r5:8510838c r4:850cb600 [ 1327.694337][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.694388][ T32] r10:61c88647 r9:84f9b000 r8:850cb62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.694411][ T32] r4:850cb600 [ 1327.694451][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.694511][ T32] r10:00000000 r9:850cb600 r8:8027f5e8 r7:eaa09e60 r6:8505dc00 r5:84f9b000 [ 1327.694544][ T32] r4:00000001 [ 1327.694565][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.694603][ T32] Exception stack(0xeaa45fb0 to 0xeaa45ff8) [ 1327.694652][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.694705][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.694750][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.694804][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.694839][ T32] r4:850da700 [ 1327.695372][ T32] INFO: task kworker/1:246:4033 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.695421][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.695517][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.695566][ T32] Call trace: [ 1327.695597][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.695667][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.695717][ T32] r4:00000000 [ 1327.695740][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.695800][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.695832][ T32] dd20: d6edd000 edddd000 00000001 80239b98 7fb69000 00000001 ** 7 printk messages dropped ** [ 1327.696147][ T32] r4:e883ddc0 ** 6 printk messages dropped ** [ 1327.696399][ T32] r5:00001000 r4:e47a2000 ** 5 printk messages dropped ** [ 1327.696630][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1327.696885][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1327.697263][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1327.697495][ T32] r5:84f9a400 r4:82918808 ** 5 printk messages dropped ** [ 1327.697683][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1327.698006][ T32] r5:00001000 r4:eaa4b000 [ 1327.698041][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1327.698151][ T32] r5:8510878c r4:85108400 ** 4 printk messages dropped ** [ 1327.698397][ T32] r4:850cb680 ** 6 printk messages dropped ** [ 1327.698719][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.699479][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 6 printk messages dropped ** [ 1327.699713][ T32] r5:80070013 r4:80239bb0 ** 7 printk messages dropped ** [ 1327.716922][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1327.717255][ T32] r5:84fe978c r4:84fe9400 ** 6 printk messages dropped ** [ 1327.717520][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 9 printk messages dropped ** [ 1327.717857][ T32] INFO: task kworker/1:248:4038 blocked for more than 454 seconds. ** 7 printk messages dropped ** [ 1327.718236][ T32] r4:84f9bc00 ** 3 printk messages dropped ** [ 1327.718380][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.718422][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa69e08 [ 1327.718446][ T32] r4:00000000 [ 1327.718487][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.718550][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.718617][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.718664][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850daa80 [ 1327.718687][ T32] r4:00000000 [ 1327.718717][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.718784][ T32] r9:83018205 r8:84f9bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f0a9000 [ 1327.718808][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.718850][ T32] r5:00001000 r4:eaa5b000 [ 1327.718891][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.718933][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.718973][ T32] r5:85108b8c r4:85108800 [ 1327.718992][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.719061][ T32] r7:ddde2d80 r6:83018200 r5:85108b8c r4:850cb700 [ 1327.719106][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.719155][ T32] r10:61c88647 r9:84f9bc00 r8:850cb72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.719178][ T32] r4:850cb700 [ 1327.719197][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.719261][ T32] r10:00000000 r9:850cb700 r8:8027f5e8 r7:eaa09e60 r6:8505dd00 r5:84f9bc00 [ 1327.719287][ T32] r4:00000001 [ 1327.719307][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.719343][ T32] Exception stack(0xeaa69fb0 to 0xeaa69ff8) [ 1327.719368][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1327.719395][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.719431][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.719485][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.719510][ T32] r4:850da740 [ 1327.725859][ T32] INFO: task kworker/1:248:4038 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.725939][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.726008][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.726070][ T32] Call trace: [ 1327.726130][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.726216][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.726243][ T32] r4:00000000 [ 1327.726285][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.726352][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.726387][ T32] dd20: d730d000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.726438][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.726467][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.726492][ T32] r5:80070013 r4:80239bb0 ** 3 printk messages dropped ** [ 1327.726674][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 9 printk messages dropped ** [ 1327.727098][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1327.727463][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1327.727649][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1327.728104][ T32] r4:84f99800 ** 4 printk messages dropped ** [ 1327.728287][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa75e08 ** 9 printk messages dropped ** [ 1327.728650][ T32] r5:00001000 r4:eaa6b000 [ 1327.728670][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1327.728897][ T32] r10:61c88647 r9:84f99800 r8:850cb7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1327.729343][ T32] r4:850daac0 ** 3 printk messages dropped ** [ 1327.746283][ T32] Call trace: ** 5 printk messages dropped ** [ 1327.746622][ T32] dd20: d7895000 edddd000 00000001 80239b98 7fb69000 00000001 ** 12 printk messages dropped ** [ 1327.747168][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 8 printk messages dropped ** [ 1327.747587][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1327.747823][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.748232][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.748589][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.748987][ T32] r5:00001000 r4:eaa93000 [ 1327.749016][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1327.749165][ T32] r7:ddde2d80 r6:83018200 r5:8510938c r4:850cb800 ** 6 printk messages dropped ** [ 1327.749398][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1327.756264][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.756339][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.756395][ T32] Call trace: [ 1327.756427][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.756479][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.756525][ T32] r4:00000000 [ 1327.756560][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.756599][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.756651][ T32] dd20: d7895000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.756704][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.756752][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.756784][ T32] r5:80070013 r4:80239bb0 [ 1327.756805][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.756850][ T32] r4:82ac11a4 [ 1327.756870][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.756938][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.756966][ T32] r4:e883ddc0 [ 1327.756986][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.757029][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.757062][ T32] r4:00000000 [ 1327.757103][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.757181][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.757209][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.757253][ T32] r5:00001000 r4:e47a2000 [ 1327.757273][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.757322][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.757367][ T32] r5:84fe978c r4:84fe9400 [ 1327.757388][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.757433][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.757477][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.757525][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.757547][ T32] r4:8454d880 [ 1327.757591][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.757638][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.757683][ T32] r4:00000001 [ 1327.757706][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.757742][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.757767][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.757794][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.757820][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.757847][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.757868][ T32] r4:84e5a440 [ 1327.757924][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.757985][ T32] INFO: task kworker/0:212:4044 blocked for more than 454 seconds. [ 1327.758035][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.758097][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.758122][ T32] task:kworker/0:212 state:D stack:0 pid:4044 tgid:4044 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.758221][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.758361][ T32] Call trace: [ 1327.758423][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.758505][ T32] r10:8291880c r9:eaa91d84 r8:00000002 r7:60000113 r6:eaa91d8c r5:85090c00 [ 1327.758560][ T32] r4:85090c00 [ 1327.758588][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.758629][ T32] r5:85090c00 r4:82918808 [ 1327.758648][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.758692][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.758733][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa91e08 [ 1327.758777][ T32] r4:00000000 [ 1327.758821][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.758861][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.758923][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.758994][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850eb040 [ 1327.759021][ T32] r4:00000000 [ 1327.759047][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.759101][ T32] r9:83018005 r8:85090c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0cd000 [ 1327.759127][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.759170][ T32] r5:00001000 r4:eaaa7000 [ 1327.759211][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.759269][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.759357][ T32] r5:84fc9f8c r4:84fc9c00 [ 1327.759410][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.759525][ T32] r7:dddced80 r6:83018000 r5:84fc9f8c r4:8505de00 [ 1327.759550][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.759618][ T32] r10:61c88647 r9:85090c00 r8:8505de2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1327.759643][ T32] r4:8505de00 [ 1327.759662][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.759730][ T32] r10:00000000 r9:8505de00 r8:8027f5e8 r7:ea9b9e60 r6:850cb900 r5:85090c00 [ 1327.759797][ T32] r4:00000001 [ 1327.772149][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.772244][ T32] Exception stack(0xeaa91fb0 to 0xeaa91ff8) [ 1327.772277][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.772306][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.772332][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.772363][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.772385][ T32] r4:850d2cc0 [ 1327.772872][ T32] INFO: task kworker/0:212:4044 is blocked on a mutex likely owned by task kworker/1:172:3871. ** 1 printk messages dropped ** [ 1327.772994][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1327.773492][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1327.773807][ T32] r4:e883ddc0 ** 8 printk messages dropped ** [ 1327.774138][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1327.774545][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1327.774745][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.774773][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.774795][ T32] r4:84e5a440 [ 1327.774816][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.774863][ T32] INFO: task kworker/1:251:4046 blocked for more than 454 seconds. [ 1327.774902][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.774926][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.774948][ T32] task:kworker/1:251 state:D stack:0 pid:4046 tgid:4046 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.774991][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.775050][ T32] Call trace: [ 1327.775081][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.775127][ T32] r10:8291880c r9:eaaa5d84 r8:00000002 r7:60000113 r6:eaaa5d8c r5:85092400 [ 1327.775187][ T32] r4:85092400 [ 1327.775212][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.775276][ T32] r5:85092400 r4:82918808 [ 1327.775321][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.775361][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.775424][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaaa5e08 [ 1327.775450][ T32] r4:00000000 [ 1327.775469][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.775525][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.775566][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.775609][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850dab00 [ 1327.775631][ T32] r4:00000000 [ 1327.775650][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.775692][ T32] r9:83018205 r8:85092400 r7:00000000 r6:83018200 r5:00001000 r4:7f0cb000 [ 1327.775714][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.775775][ T32] r5:00001000 r4:eaa9b000 [ 1327.775797][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.775858][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.775903][ T32] r5:8510978c r4:85109400 [ 1327.775923][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.775966][ T32] r7:ddde2d80 r6:83018200 r5:8510978c r4:850cb980 [ 1327.775997][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.776048][ T32] r10:61c88647 r9:85092400 r8:850cb9ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.776072][ T32] r4:850cb980 [ 1327.776116][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.776174][ T32] r10:00000000 r9:850cb980 r8:8027f5e8 r7:eaa09e60 r6:850cba00 r5:85092400 [ 1327.776199][ T32] r4:00000001 [ 1327.776218][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.776254][ T32] Exception stack(0xeaaa5fb0 to 0xeaaa5ff8) [ 1327.776280][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.776307][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.776333][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.776400][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.776446][ T32] r4:850daec0 [ 1327.776814][ T32] INFO: task kworker/1:251:4046 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.776850][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.776921][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.777006][ T32] Call trace: [ 1327.777067][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.777125][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.777147][ T32] r4:00000000 [ 1327.777207][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.777250][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.777278][ T32] dd20: d7c96000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.777306][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.777331][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 3 printk messages dropped ** [ 1327.777516][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 13 printk messages dropped ** [ 1327.777995][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 5 printk messages dropped ** [ 1327.778286][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1327.778425][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1327.778660][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.778931][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.779341][ T32] r5:00001000 r4:eabaf000 [ 1327.779370][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.779411][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1327.779610][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1327.802985][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1327.803895][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1327.804201][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1327.804426][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1327.804677][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1327.805091][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1327.805293][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1327.805671][ T32] r10:8291880c r9:eaa79d84 r8:00000002 r7:60000113 r6:eaa79d8c r5:84f9c800 ** 9 printk messages dropped ** [ 1327.806049][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1327.806274][ T32] r5:00001000 r4:eaab7000 ** 2 printk messages dropped ** [ 1327.806398][ T32] r5:85109b8c r4:85109800 ** 5 printk messages dropped ** [ 1327.806589][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1327.806988][ T32] r4:850eb080 ** 3 printk messages dropped ** [ 1327.807546][ T32] Call trace: ** 5 printk messages dropped ** [ 1327.807760][ T32] dd20: d82be000 edddd000 00000001 80239b98 7fb69000 00000001 ** 7 printk messages dropped ** [ 1327.808088][ T32] r4:e883ddc0 ** 8 printk messages dropped ** [ 1327.808551][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1327.808667][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.808688][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.808732][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.808754][ T32] r4:8454d880 [ 1327.808794][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.808842][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.808865][ T32] r4:00000001 [ 1327.808884][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.808920][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.808948][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.808977][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.809005][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.809048][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.809076][ T32] r4:84e5a440 [ 1327.809107][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.809137][ T32] INFO: task kworker/1:252:4051 blocked for more than 454 seconds. [ 1327.809185][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.809212][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.809234][ T32] task:kworker/1:252 state:D stack:0 pid:4051 tgid:4051 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.809277][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.809318][ T32] Call trace: [ 1327.809373][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.809423][ T32] r10:8291880c r9:eaab1d84 r8:00000002 r7:60000113 r6:eaab1d8c r5:84f9e000 [ 1327.809446][ T32] r4:84f9e000 [ 1327.809466][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.809506][ T32] r5:84f9e000 r4:82918808 [ 1327.809556][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.809596][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.809659][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaab1e08 [ 1327.809686][ T32] r4:00000000 [ 1327.809706][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.809742][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.830089][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.830292][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850e9440 [ 1327.830328][ T32] r4:00000000 [ 1327.830351][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.830411][ T32] r9:83018205 r8:84f9e000 r7:00000000 r6:83018200 r5:00001000 r4:7f0d1000 [ 1327.830461][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.830511][ T32] r5:00001000 r4:eaabf000 [ 1327.830556][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.830600][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.830644][ T32] r5:85109f8c r4:85109c00 [ 1327.830685][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.830738][ T32] r7:ddde2d80 r6:83018200 r5:85109f8c r4:850cbb00 [ 1327.830760][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.830804][ T32] r10:61c88647 r9:84f9e000 r8:850cbb2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.830827][ T32] r4:850cbb00 [ 1327.830847][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.830912][ T32] r10:00000000 r9:850cbb00 r8:8027f5e8 r7:eaa09e60 r6:850f0000 r5:84f9e000 [ 1327.830960][ T32] r4:00000001 [ 1327.830998][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.831071][ T32] Exception stack(0xeaab1fb0 to 0xeaab1ff8) [ 1327.831108][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.831138][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.831186][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.831221][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.831244][ T32] r4:850e9200 [ 1327.831745][ T32] INFO: task kworker/1:252:4051 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.831781][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.831909][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.831986][ T32] Call trace: [ 1327.832049][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.832104][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.832128][ T32] r4:00000000 [ 1327.832163][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.832233][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.832288][ T32] dd20: d8607000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.832320][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.832368][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.832399][ T32] r5:80070013 r4:80239bb0 [ 1327.832422][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.832471][ T32] r4:82ac11a4 [ 1327.832493][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.832540][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.832595][ T32] r4:e883ddc0 [ 1327.832619][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.832696][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.832723][ T32] r4:00000000 [ 1327.832753][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.832801][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.832825][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.832868][ T32] r5:00001000 r4:e47a2000 [ 1327.832910][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.832956][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.832998][ T32] r5:84fe978c r4:84fe9400 [ 1327.833020][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.833072][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.833094][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.833160][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.833188][ T32] r4:8454d880 [ 1327.833209][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.833253][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.833277][ T32] r4:00000001 [ 1327.833297][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.833332][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.833359][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.833430][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.833467][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.833520][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.833546][ T32] r4:84e5a440 [ 1327.833569][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.833600][ T32] INFO: task kworker/1:253:4054 blocked for more than 454 seconds. [ 1327.833658][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.833713][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.833740][ T32] task:kworker/1:253 state:D stack:0 pid:4054 tgid:4054 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.833800][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.833887][ T32] Call trace: [ 1327.833924][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.833994][ T32] r10:8291880c r9:eaacdd84 r8:00000002 r7:60000113 r6:eaacdd8c r5:84f8c800 [ 1327.834022][ T32] r4:84f8c800 [ 1327.834063][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.834129][ T32] r5:84f8c800 r4:82918808 [ 1327.834154][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.834225][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.834275][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaacde08 [ 1327.834300][ T32] r4:00000000 [ 1327.834321][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.834357][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.834404][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.834453][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850e96c0 [ 1327.834476][ T32] r4:00000000 [ 1327.834497][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.834561][ T32] r9:83018205 r8:84f8c800 r7:00000000 r6:83018200 r5:00001000 r4:7f0d5000 [ 1327.834587][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.834630][ T32] r5:00001000 r4:eaadb000 [ 1327.834675][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.834718][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.834761][ T32] r5:8510a78c r4:8510a400 [ 1327.834781][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.834846][ T32] r7:ddde2d80 r6:83018200 r5:8510a78c r4:850cbb80 [ 1327.834872][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.834918][ T32] r10:61c88647 r9:84f8c800 r8:850cbbac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.834941][ T32] r4:850cbb80 [ 1327.834961][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.835004][ T32] r10:00000000 r9:850cbb80 r8:8027f5e8 r7:eaa09e60 r6:850f0080 r5:84f8c800 [ 1327.835042][ T32] r4:00000001 [ 1327.835066][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.835105][ T32] Exception stack(0xeaacdfb0 to 0xeaacdff8) [ 1327.835154][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.835188][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.835216][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.835266][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.835310][ T32] r4:850e9240 [ 1327.835640][ T32] INFO: task kworker/1:253:4054 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.835675][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.835811][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.835858][ T32] Call trace: [ 1327.835921][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.835975][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.836019][ T32] r4:00000000 [ 1327.836048][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.836099][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.836132][ T32] dd20: d8607000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.836162][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.836188][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.836212][ T32] r5:80070013 r4:80239bb0 [ 1327.836243][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.836290][ T32] r4:82ac11a4 [ 1327.836331][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.836381][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.836405][ T32] r4:e883ddc0 [ 1327.836423][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.836487][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.836533][ T32] r4:00000000 [ 1327.836556][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.836600][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.836622][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.836661][ T32] r5:00001000 r4:e47a2000 [ 1327.836680][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.836718][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.836780][ T32] r5:84fe978c r4:84fe9400 [ 1327.836824][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.836895][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.836919][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.836986][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1327.837148][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1327.837373][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1327.837613][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.837898][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.838310][ T32] r5:00001000 r4:eaba3000 ** 1 printk messages dropped ** [ 1327.838367][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1327.838745][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1327.838958][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1327.839536][ T32] Call trace: ** 4 printk messages dropped ** [ 1327.839846][ T32] Exception stack(0xe883dd28 to 0xe883dd70) ** 5 printk messages dropped ** [ 1327.860505][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1327.860677][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1327.861119][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1327.861515][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1327.862062][ T32] r4:847b1800 ** 4 printk messages dropped ** [ 1327.862298][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaaede08 ** 9 printk messages dropped ** [ 1327.862659][ T32] r5:00001000 r4:eab03000 [ 1327.862678][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.862716][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.862768][ T32] r5:8510af8c r4:8510ac00 [ 1327.862798][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.862845][ T32] r7:ddde2d80 r6:83018200 r5:8510af8c r4:850cbc00 [ 1327.862868][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.862933][ T32] r10:61c88647 r9:847b1800 r8:850cbc2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.862979][ T32] r4:850cbc00 [ 1327.863001][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.863052][ T32] r10:00000000 r9:850cbc00 r8:8027f5e8 r7:eaacde60 r6:850f0200 r5:847b1800 [ 1327.863075][ T32] r4:00000001 [ 1327.863093][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.863129][ T32] Exception stack(0xeaaedfb0 to 0xeaaedff8) [ 1327.863155][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.863182][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.863208][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.863237][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.863258][ T32] r4:850e9540 [ 1327.863766][ T32] INFO: task kworker/1:254:4058 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.863825][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.863909][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.863962][ T32] Call trace: [ 1327.864015][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.864102][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.864128][ T32] r4:00000000 [ 1327.864148][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.864209][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.864240][ T32] dd20: d8a26000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.864290][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.864353][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.864382][ T32] r5:80070013 r4:80239bb0 [ 1327.864412][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.864460][ T32] r4:82ac11a4 [ 1327.864495][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.864545][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.864568][ T32] r4:e883ddc0 [ 1327.864608][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.864656][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.864699][ T32] r4:00000000 [ 1327.864727][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.864774][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.864795][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.864856][ T32] r5:00001000 r4:e47a2000 [ 1327.864880][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.864937][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.864983][ T32] r5:84fe978c r4:84fe9400 [ 1327.865004][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.865056][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.865099][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.865168][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.865209][ T32] r4:8454d880 [ 1327.865253][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.865300][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.865323][ T32] r4:00000001 [ 1327.865341][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.865375][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.865436][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1327.865549][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1327.865835][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.866169][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1327.866607][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.866651][ T32] r5:00001000 r4:eaaef000 [ 1327.866682][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1327.866783][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1327.867165][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1327.867813][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.868192][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 9 printk messages dropped ** [ 1327.868554][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1327.868763][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1327.869068][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1327.869284][ T32] r4:84e5a440 ** 4 printk messages dropped ** [ 1327.869437][ T32] task:kworker/1:256 state:D stack:0 pid:4061 tgid:4061 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1327.894268][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.894681][ T32] r5:00001000 r4:eab37000 [ 1327.894705][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1327.894784][ T32] r5:8510bf8c r4:8510bc00 ** 3 printk messages dropped ** [ 1327.894912][ T32] r10:61c88647 r9:847b3c00 r8:850cbd2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1327.895366][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1327.896254][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1327.896531][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1327.896708][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1327.897192][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1327.897519][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1327.897705][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.897743][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.897769][ T32] task:kworker/1:257 state:D stack:0 pid:4063 tgid:4063 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.897835][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.897879][ T32] Call trace: [ 1327.897909][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.897955][ T32] r10:8291880c r9:eab11d84 r8:00000002 r7:60000013 r6:eab11d8c r5:847b3000 [ 1327.898001][ T32] r4:847b3000 [ 1327.898024][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.898092][ T32] r5:847b3000 r4:82918808 [ 1327.898115][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.898152][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.898223][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab11e08 [ 1327.898250][ T32] r4:00000000 [ 1327.898280][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.898321][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.898358][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.898400][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850e9a80 [ 1327.898421][ T32] r4:00000000 [ 1327.898440][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.898481][ T32] r9:83018205 r8:847b3000 r7:00000000 r6:83018200 r5:00001000 r4:7f0db000 [ 1327.898512][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.898556][ T32] r5:00001000 r4:eab13000 [ 1327.898576][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.898638][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.898682][ T32] r5:8510b38c r4:8510b000 [ 1327.898702][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.898745][ T32] r7:ddde2d80 r6:83018200 r5:8510b38c r4:850cbd80 [ 1327.898765][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.898808][ T32] r10:61c88647 r9:847b3000 r8:850cbdac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.898830][ T32] r4:850cbd80 [ 1327.898849][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.898913][ T32] r10:00000000 r9:850cbd80 r8:8027f5e8 r7:eab01e60 r6:850f0380 r5:847b3000 [ 1327.898962][ T32] r4:00000001 [ 1327.898983][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.899020][ T32] Exception stack(0xeab11fb0 to 0xeab11ff8) [ 1327.899052][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1327.899081][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.899107][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.899135][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.899157][ T32] r4:850e9640 [ 1327.899487][ T32] INFO: task kworker/1:257:4063 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.899518][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.899572][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.899639][ T32] Call trace: [ 1327.899669][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.899745][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.916099][ T32] r4:00000000 [ 1327.916180][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.916260][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.916322][ T32] dd20: d9417000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.916375][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.916404][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.916430][ T32] r5:80070013 r4:80239bb0 [ 1327.916460][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.916512][ T32] r4:82ac11a4 [ 1327.916532][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.916598][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.916624][ T32] r4:e883ddc0 [ 1327.916644][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.916688][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.916711][ T32] r4:00000000 [ 1327.916730][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.916783][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.916808][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.916852][ T32] r5:00001000 r4:e47a2000 [ 1327.916872][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.916932][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.916979][ T32] r5:84fe978c r4:84fe9400 [ 1327.916999][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.917054][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.917077][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.917122][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1327.917376][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.917718][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.918080][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1327.918582][ T32] r5:00001000 r4:eab1f000 [ 1327.918605][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.918668][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.918712][ T32] r5:8510b78c r4:8510b400 [ 1327.918760][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.918807][ T32] r7:ddde2d80 r6:83018200 r5:8510b78c r4:850cbe00 [ 1327.918828][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.918873][ T32] r10:61c88647 r9:85090000 r8:850cbe2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.918905][ T32] r4:850cbe00 [ 1327.918927][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.918991][ T32] r10:00000000 r9:850cbe00 r8:8027f5e8 r7:eab01e60 r6:850cbe80 r5:85090000 [ 1327.919018][ T32] r4:00000001 [ 1327.919043][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.919081][ T32] Exception stack(0xea9c5fb0 to 0xea9c5ff8) [ 1327.919107][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.919134][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.919160][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.919187][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.919231][ T32] r4:850e9900 [ 1327.931971][ T32] INFO: task kworker/1:258:4065 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.932080][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.932187][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.932299][ T32] Call trace: [ 1327.932358][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.932419][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.932464][ T32] r4:00000000 [ 1327.932488][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.932529][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.932559][ T32] dd20: d9518000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.932608][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.932646][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.932688][ T32] r5:80070013 r4:80239bb0 [ 1327.932711][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.932779][ T32] r4:82ac11a4 [ 1327.932804][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.932852][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.932874][ T32] r4:e883ddc0 [ 1327.932913][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.932981][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.933054][ T32] r4:00000000 [ 1327.933079][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.933145][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.933181][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.933226][ T32] r5:00001000 r4:e47a2000 [ 1327.933255][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.933323][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.933370][ T32] r5:84fe978c r4:84fe9400 [ 1327.933413][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.933468][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.933490][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.933534][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1327.933618][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 10 printk messages dropped ** [ 1327.933954][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1327.934346][ T32] r4:85093c00 ** 4 printk messages dropped ** [ 1327.934552][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab29e08 ** 9 printk messages dropped ** [ 1327.934868][ T32] r5:00001000 r4:eab2b000 [ 1327.934887][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.934925][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1327.935178][ T32] r4:850cbf00 ** 5 printk messages dropped ** [ 1327.935378][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1327.936289][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1327.936626][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1327.936871][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1327.937123][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1327.937441][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1327.937652][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1327.938163][ T32] r10:8291880c r9:eab35d84 r8:00000002 r7:60000013 r6:eab35d8c r5:85094800 ** 6 printk messages dropped ** [ 1327.938436][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1327.938698][ T32] r9:83018205 r8:85094800 r7:00000000 r6:83018200 r5:00001000 r4:7f0e3000 ** 1 printk messages dropped ** [ 1327.938796][ T32] r5:00001000 r4:eab43000 ** 3 printk messages dropped ** [ 1327.938929][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.938971][ T32] r7:ddde2d80 r6:83018200 r5:8510c38c r4:850fb000 [ 1327.938990][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.939052][ T32] r10:61c88647 r9:85094800 r8:850fb02c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.939078][ T32] r4:850fb000 [ 1327.939097][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.939140][ T32] r10:00000000 r9:850fb000 r8:8027f5e8 r7:eab01e60 r6:850fb080 r5:85094800 [ 1327.939161][ T32] r4:00000001 [ 1327.939179][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.939214][ T32] Exception stack(0xeab35fb0 to 0xeab35ff8) [ 1327.939240][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.939288][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.939318][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.939348][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.939379][ T32] r4:850e9cc0 [ 1327.939705][ T32] INFO: task kworker/1:260:4071 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.959735][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.960244][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.960340][ T32] Call trace: [ 1327.960379][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.960447][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.960474][ T32] r4:00000000 [ 1327.960496][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.960536][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.960565][ T32] dd20: d9947000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.960613][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.960642][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.960666][ T32] r5:80070013 r4:80239bb0 [ 1327.960686][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.960733][ T32] r4:82ac11a4 [ 1327.960773][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.960823][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.960866][ T32] r4:e883ddc0 [ 1327.960891][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.960935][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.960965][ T32] r4:00000000 [ 1327.960988][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.961033][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.961061][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.961102][ T32] r5:00001000 r4:e47a2000 [ 1327.961170][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.961215][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.961277][ T32] r5:84fe978c r4:84fe9400 [ 1327.961301][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.961349][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.961370][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.961414][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.961436][ T32] r4:8454d880 [ 1327.961476][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.961524][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.961545][ T32] r4:00000001 [ 1327.961564][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.961618][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.961647][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.961687][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.961724][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.961757][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.961779][ T32] r4:84e5a440 [ 1327.961817][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.961871][ T32] INFO: task kworker/1:261:4072 blocked for more than 454 seconds. [ 1327.961908][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.961952][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.962007][ T32] task:kworker/1:261 state:D stack:0 pid:4072 tgid:4072 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1327.962536][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab41e08 ** 9 printk messages dropped ** [ 1327.962873][ T32] r5:00001000 r4:eab4f000 [ 1327.962916][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.962959][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1327.963218][ T32] r10:61c88647 r9:85095400 r8:850fb12c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1327.963550][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1327.964533][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1327.964849][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1327.965066][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1327.965322][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1327.965674][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1327.965912][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1327.966255][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1327.966588][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1327.966939][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.966978][ T32] r5:00001000 r4:eab5b000 ** 1 printk messages dropped ** [ 1327.967070][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1327.967376][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1327.967494][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1327.968206][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1327.968508][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1327.968705][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 10 printk messages dropped ** [ 1327.969171][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1327.969532][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.969592][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.969617][ T32] r4:84e5a440 [ 1327.969659][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.969740][ T32] INFO: task kworker/1:263:4076 blocked for more than 454 seconds. [ 1327.994821][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.994898][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1327.994946][ T32] task:kworker/1:263 state:D stack:0 pid:4076 tgid:4076 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.995082][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.995180][ T32] Call trace: [ 1327.995255][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1327.995324][ T32] r10:8291880c r9:eab65d84 r8:00000002 r7:60000013 r6:eab65d8c r5:85096c00 [ 1327.995355][ T32] r4:85096c00 [ 1327.995377][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1327.995417][ T32] r5:85096c00 r4:82918808 [ 1327.995438][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1327.995496][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1327.995543][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab65e08 [ 1327.995567][ T32] r4:00000000 [ 1327.995618][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1327.995659][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1327.995731][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.995783][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85101600 [ 1327.995806][ T32] r4:00000000 [ 1327.995827][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.995874][ T32] r9:83018205 r8:85096c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0eb000 [ 1327.995905][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.995981][ T32] r5:00001000 r4:eab73000 [ 1327.996006][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.996052][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.996117][ T32] r5:8510d38c r4:8510d000 [ 1327.996140][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.996187][ T32] r7:ddde2d80 r6:83018200 r5:8510d38c r4:850fb300 [ 1327.996227][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.996287][ T32] r10:61c88647 r9:85096c00 r8:850fb32c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.996317][ T32] r4:850fb300 [ 1327.996346][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.996413][ T32] r10:00000000 r9:850fb300 r8:8027f5e8 r7:eab4de60 r6:850fb380 r5:85096c00 [ 1327.996440][ T32] r4:00000001 [ 1327.996480][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.996522][ T32] Exception stack(0xeab65fb0 to 0xeab65ff8) [ 1327.996549][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1327.996590][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.996651][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.996709][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.996734][ T32] r4:85101240 [ 1327.997252][ T32] INFO: task kworker/1:263:4076 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1327.997286][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1327.997343][ T32] Workqueue: events bpf_prog_free_deferred [ 1327.997386][ T32] Call trace: [ 1327.997416][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1327.997465][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1327.997510][ T32] r4:00000000 [ 1327.997534][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1327.997572][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1327.997600][ T32] dd20: d9f15000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1327.997628][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1327.997652][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1327.997685][ T32] r5:80070013 r4:80239bb0 [ 1327.997708][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1327.997774][ T32] r4:82ac11a4 [ 1327.997819][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1327.997870][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1327.997892][ T32] r4:e883ddc0 [ 1327.997910][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1327.997952][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1327.997974][ T32] r4:00000000 [ 1327.997993][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1327.998035][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1327.998062][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1327.998125][ T32] r5:00001000 r4:e47a2000 [ 1327.998149][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1327.998211][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1327.998262][ T32] r5:84fe978c r4:84fe9400 [ 1327.998284][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1327.998330][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1327.998350][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1327.998394][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1327.998416][ T32] r4:8454d880 [ 1327.998435][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1327.998477][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1327.998498][ T32] r4:00000001 [ 1327.998533][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1327.998571][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1327.998598][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1327.998626][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1327.998653][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1327.998681][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1327.998724][ T32] r4:84e5a440 [ 1327.998749][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1327.998790][ T32] INFO: task kworker/1:264:4077 blocked for more than 454 seconds. [ 1327.998841][ T32] Not tainted 6.15.0-syzkaller #0 [ 1327.998889][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 2 printk messages dropped ** [ 1327.999057][ T32] Call trace: ** 6 printk messages dropped ** [ 1327.999419][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1328.012771][ T32] r5:00001000 r4:eab67000 [ 1328.012820][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1328.013014][ T32] r7:ddde2d80 r6:83018200 r5:8510cf8c r4:850fb400 ** 7 printk messages dropped ** [ 1328.013312][ T32] Exception stack(0xeab71fb0 to 0xeab71ff8) ** 6 printk messages dropped ** [ 1328.014016][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 13 printk messages dropped ** [ 1328.014688][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 11 printk messages dropped ** [ 1328.015217][ T32] r5:84fe978c r4:84fe9400 ** 6 printk messages dropped ** [ 1328.015551][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 9 printk messages dropped ** [ 1328.015897][ T32] INFO: task kworker/1:265:4080 blocked for more than 454 seconds. ** 9 printk messages dropped ** [ 1328.016341][ T32] r5:85098c00 r4:82918808 ** 6 printk messages dropped ** [ 1328.016548][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1328.016798][ T32] r5:00001000 r4:eab7f000 ** 2 printk messages dropped ** [ 1328.016937][ T32] r5:8510d78c r4:8510d400 ** 4 printk messages dropped ** [ 1328.017117][ T32] r4:850fb500 ** 6 printk messages dropped ** [ 1328.017415][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.017445][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.017546][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.017572][ T32] r4:85101500 [ 1328.017887][ T32] INFO: task kworker/1:265:4080 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.017929][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.018007][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.018060][ T32] Call trace: [ 1328.018091][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.018148][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.018175][ T32] r4:00000000 [ 1328.018220][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.018262][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.018313][ T32] dd20: da48a000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.018346][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.018394][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.018441][ T32] r5:80070013 r4:80239bb0 [ 1328.018465][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.018509][ T32] r4:82ac11a4 [ 1328.018529][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.018575][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.018597][ T32] r4:e883ddc0 [ 1328.018616][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.018659][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.018709][ T32] r4:00000000 [ 1328.018751][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.018798][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.018820][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.018862][ T32] r5:00001000 r4:e47a2000 [ 1328.018881][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.018919][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.018959][ T32] r5:84fe978c r4:84fe9400 [ 1328.018979][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.019051][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.019077][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.019143][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.019190][ T32] r4:8454d880 [ 1328.019212][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.019278][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.019306][ T32] r4:00000001 [ 1328.019326][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.019361][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.019387][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.019434][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.019466][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.019495][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.019517][ T32] r4:84e5a440 [ 1328.019537][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.019561][ T32] INFO: task kworker/1:266:4082 blocked for more than 454 seconds. [ 1328.019611][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.019646][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.019671][ T32] task:kworker/1:266 state:D stack:0 pid:4082 tgid:4082 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.042923][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.043016][ T32] Call trace: [ 1328.043082][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.043145][ T32] r10:8291880c r9:eab89d84 r8:00000002 r7:60000013 r6:eab89d8c r5:8509a400 [ 1328.043169][ T32] r4:8509a400 [ 1328.043225][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.043271][ T32] r5:8509a400 r4:82918808 [ 1328.043292][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.043349][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.043417][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab89e08 [ 1328.043450][ T32] r4:00000000 [ 1328.043471][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.043507][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 1 printk messages dropped ** [ 1328.043611][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85101c00 ** 4 printk messages dropped ** [ 1328.043796][ T32] r5:00001000 r4:eab9b000 [ 1328.043829][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1328.044026][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1328.044376][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1328.045256][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1328.045420][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 8 printk messages dropped ** [ 1328.045777][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1328.046016][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1328.046368][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 10 printk messages dropped ** [ 1328.046690][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1328.047090][ T32] r4:85098000 ** 4 printk messages dropped ** [ 1328.047317][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab95e08 ** 9 printk messages dropped ** [ 1328.047762][ T32] r5:00001000 r4:eab8b000 [ 1328.047785][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1328.047997][ T32] r7:ddde2d80 r6:83018200 r5:8510db8c r4:850fb700 ** 8 printk messages dropped ** [ 1328.048304][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1328.048910][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1328.049345][ T32] dd20: daa9c000 edddd000 00000001 80239b98 7fb69000 00000001 ** 12 printk messages dropped ** [ 1328.063788][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 8 printk messages dropped ** [ 1328.064192][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.064219][ T32] r4:8454d880 [ 1328.064239][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.064283][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.064335][ T32] r4:00000001 [ 1328.064359][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.064396][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.064426][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.064485][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.064524][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.064585][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.064619][ T32] r4:84e5a440 [ 1328.064646][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.064698][ T32] INFO: task kworker/1:268:4085 blocked for more than 454 seconds. [ 1328.064744][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.064780][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.064805][ T32] task:kworker/1:268 state:D stack:0 pid:4085 tgid:4085 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.064861][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.064927][ T32] Call trace: [ 1328.064984][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.065044][ T32] r10:8291880c r9:eab99d84 r8:00000002 r7:60000113 r6:eab99d8c r5:8509bc00 [ 1328.065070][ T32] r4:8509bc00 [ 1328.065090][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.065129][ T32] r5:8509bc00 r4:82918808 [ 1328.065148][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.065195][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.065240][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab99e08 [ 1328.065262][ T32] r4:00000000 [ 1328.065281][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.065315][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.065351][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.065393][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85102040 [ 1328.065414][ T32] r4:00000000 [ 1328.065434][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.065477][ T32] r9:83018205 r8:8509bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f039000 [ 1328.065521][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.065566][ T32] r5:00001000 r4:dfab1000 [ 1328.065586][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.065624][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.065663][ T32] r5:8510e78c r4:8510e400 [ 1328.065682][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.065724][ T32] r7:ddde2d80 r6:83018200 r5:8510e78c r4:850fb800 [ 1328.065766][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.065813][ T32] r10:61c88647 r9:8509bc00 r8:850fb82c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.065835][ T32] r4:850fb800 [ 1328.065854][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.065895][ T32] r10:00000000 r9:850fb800 r8:8027f5e8 r7:eab89e60 r6:850fb880 r5:8509bc00 [ 1328.065916][ T32] r4:00000001 [ 1328.065936][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.065971][ T32] Exception stack(0xeab99fb0 to 0xeab99ff8) [ 1328.065996][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.066023][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.066075][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.066107][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.066170][ T32] r4:85101a00 [ 1328.066680][ T32] INFO: task kworker/1:268:4085 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.066715][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.066803][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.066849][ T32] Call trace: [ 1328.066879][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.066928][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.066951][ T32] r4:00000000 [ 1328.066980][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.067020][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.067071][ T32] dd20: daa9c000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.067114][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.067143][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.067167][ T32] r5:80070013 r4:80239bb0 [ 1328.067187][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.067232][ T32] r4:82ac11a4 [ 1328.067252][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 4 printk messages dropped ** [ 1328.067403][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1328.067605][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1328.067947][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 9 printk messages dropped ** [ 1328.068318][ T32] INFO: task kworker/0:216:4088 blocked for more than 454 seconds. ** 7 printk messages dropped ** [ 1328.068675][ T32] r4:847b0000 ** 4 printk messages dropped ** [ 1328.068840][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaac9e08 ** 9 printk messages dropped ** [ 1328.069199][ T32] r5:00001000 r4:ead65000 [ 1328.069219][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1328.069460][ T32] r10:61c88647 r9:847b0000 r8:850f042c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1328.069819][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1328.087660][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 10 printk messages dropped ** [ 1328.088113][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 10 printk messages dropped ** [ 1328.088555][ T32] r5:84fe978c r4:84fe9400 ** 4 printk messages dropped ** [ 1328.088784][ T32] r4:8454d880 ** 7 printk messages dropped ** [ 1328.089080][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1328.089405][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1328.089802][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1328.098548][ T32] r5:00001000 r4:df9dd000 [ 1328.098569][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1328.098696][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.098748][ T32] r7:ddde2d80 r6:83018200 r5:84fcab8c r4:850fb900 [ 1328.098770][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.098814][ T32] r10:61c88647 r9:847b6000 r8:850fb92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.098846][ T32] r4:850fb900 [ 1328.098869][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.098934][ T32] r10:00000000 r9:850fb900 r8:8027f5e8 r7:eab99e60 r6:850f0500 r5:847b6000 [ 1328.098959][ T32] r4:00000001 [ 1328.098979][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.099016][ T32] Exception stack(0xeabadfb0 to 0xeabadff8) [ 1328.099087][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.099120][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.099167][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.099198][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.099230][ T32] r4:85101d00 [ 1328.099735][ T32] INFO: task kworker/1:269:4089 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.111876][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.112011][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.112107][ T32] Call trace: [ 1328.112173][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.112246][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.112293][ T32] r4:00000000 [ 1328.112319][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.112369][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.112402][ T32] dd20: db5ee000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.112430][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.112455][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.112478][ T32] r5:80070013 r4:80239bb0 [ 1328.112519][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.112569][ T32] r4:82ac11a4 [ 1328.112589][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.112664][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.112699][ T32] r4:e883ddc0 [ 1328.112721][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.112767][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.112790][ T32] r4:00000000 [ 1328.112824][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.112872][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.112894][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.112935][ T32] r5:00001000 r4:e47a2000 [ 1328.112955][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.112992][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.113032][ T32] r5:84fe978c r4:84fe9400 [ 1328.113078][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.113128][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.113171][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.113220][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.113242][ T32] r4:8454d880 [ 1328.113271][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.113319][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.113363][ T32] r4:00000001 [ 1328.113386][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.113421][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.113453][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.113481][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.113507][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.113555][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.113581][ T32] r4:84e5a440 [ 1328.113605][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.113656][ T32] INFO: task kworker/1:270:4092 blocked for more than 454 seconds. [ 1328.113715][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.113743][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.113765][ T32] task:kworker/1:270 state:D stack:0 pid:4092 tgid:4092 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1328.114008][ T32] r10:8291880c r9:ea8cdd84 r8:00000002 r7:60000013 r6:ea8cdd8c r5:847b6c00 [ 1328.114031][ T32] r4:847b6c00 [ 1328.114057][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.114097][ T32] r5:847b6c00 r4:82918808 [ 1328.114116][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.114150][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.114217][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8cde08 [ 1328.114242][ T32] r4:00000000 [ 1328.114262][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.114296][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.114334][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.114376][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850ebf40 [ 1328.114397][ T32] r4:00000000 [ 1328.114417][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.114459][ T32] r9:83018205 r8:847b6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f035000 [ 1328.114480][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.114519][ T32] r5:00001000 r4:dfa1b000 [ 1328.114562][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.114605][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.114645][ T32] r5:84fcaf8c r4:84fcac00 [ 1328.114673][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.114740][ T32] r7:ddde2d80 r6:83018200 r5:84fcaf8c r4:850fb980 [ 1328.114764][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 1 printk messages dropped ** [ 1328.114846][ T32] r4:850fb980 ** 6 printk messages dropped ** [ 1328.115134][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1328.115940][ T32] Call trace: ** 5 printk messages dropped ** [ 1328.116190][ T32] dd20: db5ee000 edddd000 00000001 80239b98 7fb69000 00000001 ** 10 printk messages dropped ** [ 1328.116581][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1328.116804][ T32] r5:84fe978c r4:84fe9400 ** 6 printk messages dropped ** [ 1328.117079][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 6 printk messages dropped ** [ 1328.117286][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1328.117571][ T32] Call trace: ** 4 printk messages dropped ** [ 1328.117748][ T32] r5:847b5400 r4:82918808 ** 5 printk messages dropped ** [ 1328.117998][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1328.118325][ T32] r5:00001000 r4:dfa63000 [ 1328.118368][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1328.118514][ T32] r7:ddde2d80 r6:83018200 r5:8510e38c r4:850fba00 ** 6 printk messages dropped ** [ 1328.118753][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1328.119297][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1328.131591][ T32] r5:80070013 r4:80239bb0 ** 4 printk messages dropped ** [ 1328.131797][ T32] r4:e883ddc0 ** 8 printk messages dropped ** [ 1328.132162][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1328.132542][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 9 printk messages dropped ** [ 1328.132906][ T32] INFO: task kworker/1:272:4097 blocked for more than 454 seconds. ** 7 printk messages dropped ** [ 1328.133349][ T32] r4:847b4800 ** 4 printk messages dropped ** [ 1328.133606][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8f5e08 ** 3 printk messages dropped ** [ 1328.133740][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.133791][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85102340 [ 1328.133817][ T32] r4:00000000 [ 1328.133860][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.133908][ T32] r9:83018205 r8:847b4800 r7:00000000 r6:83018200 r5:00001000 r4:7f03b000 [ 1328.133930][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.133970][ T32] r5:00001000 r4:dfb39000 [ 1328.133990][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.134057][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.134103][ T32] r5:8510eb8c r4:8510e800 [ 1328.134123][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.134165][ T32] r7:ddde2d80 r6:83018200 r5:8510eb8c r4:850fba80 [ 1328.134186][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.134258][ T32] r10:61c88647 r9:847b4800 r8:850fbaac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.134308][ T32] r4:850fba80 [ 1328.134331][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.134392][ T32] r10:00000000 r9:850fba80 r8:8027f5e8 r7:eab99e60 r6:850f0680 r5:847b4800 [ 1328.134417][ T32] r4:00000001 [ 1328.134437][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.134492][ T32] Exception stack(0xea8f5fb0 to 0xea8f5ff8) [ 1328.134544][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.134575][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.134627][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.134658][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.134681][ T32] r4:85102100 [ 1328.135155][ T32] INFO: task kworker/1:272:4097 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.135211][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.135283][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.135345][ T32] Call trace: [ 1328.135383][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.135454][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.135481][ T32] r4:00000000 [ 1328.135501][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.135538][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.135567][ T32] dd20: db5ee000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.135616][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.135644][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.135668][ T32] r5:80070013 r4:80239bb0 [ 1328.135688][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.135747][ T32] r4:82ac11a4 [ 1328.135769][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.135815][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.135858][ T32] r4:e883ddc0 [ 1328.135881][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.135945][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.135992][ T32] r4:00000000 [ 1328.136015][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.136064][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.136086][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.136126][ T32] r5:00001000 r4:e47a2000 [ 1328.136146][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.136183][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.136244][ T32] r5:84fe978c r4:84fe9400 [ 1328.136269][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.136335][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.136372][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.136420][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.136442][ T32] r4:8454d880 [ 1328.136470][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.136524][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.136559][ T32] r4:00000001 [ 1328.136581][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.136617][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.136662][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1328.136721][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1328.137024][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1328.137377][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1328.137749][ T32] r5:00001000 r4:dfba9000 [ 1328.137769][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1328.137973][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1328.138364][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1328.139060][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 10 printk messages dropped ** [ 1328.139475][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 10 printk messages dropped ** [ 1328.160974][ T32] r5:84fe978c r4:84fe9400 ** 3 printk messages dropped ** [ 1328.161197][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1328.161565][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1328.161902][ T32] Call trace: ** 6 printk messages dropped ** [ 1328.162182][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1328.162404][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.162448][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.162500][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851028c0 [ 1328.162525][ T32] r4:00000000 [ 1328.162553][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.162602][ T32] r9:83018205 r8:847a8000 r7:00000000 r6:83018200 r5:00001000 r4:7f043000 [ 1328.162632][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.162675][ T32] r5:00001000 r4:dfe3d000 [ 1328.162694][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.162731][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.162772][ T32] r5:8510fb8c r4:8510f800 [ 1328.162800][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.162856][ T32] r7:ddde2d80 r6:83018200 r5:8510fb8c r4:850fbb80 [ 1328.162880][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.162933][ T32] r10:61c88647 r9:847a8000 r8:850fbbac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.162958][ T32] r4:850fbb80 [ 1328.162977][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.163019][ T32] r10:00000000 r9:850fbb80 r8:8027f5e8 r7:ea905e60 r6:850f0780 r5:847a8000 [ 1328.163045][ T32] r4:00000001 [ 1328.163064][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.163100][ T32] Exception stack(0xea915fb0 to 0xea915ff8) [ 1328.163147][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.163183][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.163232][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.163264][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.163287][ T32] r4:85102380 [ 1328.163778][ T32] INFO: task kworker/1:274:4101 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.163813][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.163916][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.163987][ T32] Call trace: [ 1328.164052][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.164102][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.164157][ T32] r4:00000000 [ 1328.164180][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.164219][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.164247][ T32] dd20: dbbb2000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.164297][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.164345][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.164372][ T32] r5:80070013 r4:80239bb0 [ 1328.164393][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.164446][ T32] r4:82ac11a4 [ 1328.164469][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.164515][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.164537][ T32] r4:e883ddc0 [ 1328.164564][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.164611][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.164633][ T32] r4:00000000 [ 1328.164675][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.164722][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.164744][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.164784][ T32] r5:00001000 r4:e47a2000 [ 1328.164825][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.164876][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1328.165116][ T32] r4:8454d880 ** 8 printk messages dropped ** [ 1328.165435][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 16 printk messages dropped ** [ 1328.166055][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1328.166383][ T32] r5:00001000 r4:dfc09000 ** 2 printk messages dropped ** [ 1328.166479][ T32] r5:8510f38c r4:8510f000 ** 5 printk messages dropped ** [ 1328.166715][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 11 printk messages dropped ** [ 1328.167450][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1328.167767][ T32] dd20: dbbb2000 edddd000 00000001 80239b98 7fb69000 00000001 ** 13 printk messages dropped ** [ 1328.168367][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1328.168758][ T32] r4:8454d880 ** 6 printk messages dropped ** [ 1328.169011][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1328.169357][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.169396][ T32] Call trace: [ 1328.169426][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.169495][ T32] r10:8291880c r9:ea921d84 r8:00000002 r7:60000113 r6:ea921d8c r5:8509e000 [ 1328.169529][ T32] r4:8509e000 [ 1328.169551][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.169591][ T32] r5:8509e000 r4:82918808 [ 1328.169610][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.169644][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.169684][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea921e08 [ 1328.169744][ T32] r4:00000000 [ 1328.194338][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.194441][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.194510][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.194565][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85102740 [ 1328.194591][ T32] r4:00000000 [ 1328.194611][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.194656][ T32] r9:83018205 r8:8509e000 r7:00000000 r6:83018200 r5:00001000 r4:7f041000 [ 1328.194699][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.194749][ T32] r5:00001000 r4:dfe11000 [ 1328.194770][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.194809][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.194851][ T32] r5:8510f78c r4:8510f400 [ 1328.194870][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.194937][ T32] r7:ddde2d80 r6:83018200 r5:8510f78c r4:850fbd00 [ 1328.194983][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.195035][ T32] r10:61c88647 r9:8509e000 r8:850fbd2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.195068][ T32] r4:850fbd00 [ 1328.195109][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.195159][ T32] r10:00000000 r9:850fbd00 r8:8027f5e8 r7:ea915e60 r6:850fbd80 r5:8509e000 [ 1328.195202][ T32] r4:00000001 [ 1328.195225][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.195263][ T32] Exception stack(0xea921fb0 to 0xea921ff8) [ 1328.195294][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1328.195322][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.195348][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.195385][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.195412][ T32] r4:851021c0 [ 1328.195901][ T32] INFO: task kworker/1:276:4104 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.195957][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.196056][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.196109][ T32] Call trace: [ 1328.196189][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.196243][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 9 printk messages dropped ** [ 1328.196638][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 14 printk messages dropped ** [ 1328.197278][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1328.197614][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1328.197937][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1328.198267][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1328.198742][ T32] r5:00001000 r4:dfe7d000 [ 1328.198787][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1328.198890][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1328.199253][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1328.220454][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 3 printk messages dropped ** [ 1328.220592][ T32] dd20: dc5d0000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.220621][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.220646][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.220669][ T32] r5:80070013 r4:80239bb0 [ 1328.220710][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.220760][ T32] r4:82ac11a4 [ 1328.220780][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.220826][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.220848][ T32] r4:e883ddc0 [ 1328.220867][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.220911][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.220953][ T32] r4:00000000 [ 1328.220986][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.221034][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.221062][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.221104][ T32] r5:00001000 r4:e47a2000 [ 1328.221144][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.221188][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.221231][ T32] r5:84fe978c r4:84fe9400 [ 1328.221251][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.221317][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.221342][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.221389][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.221411][ T32] r4:8454d880 [ 1328.221429][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.221495][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.221520][ T32] r4:00000001 [ 1328.221540][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.221596][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.221625][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.221653][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.221679][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.221718][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.221752][ T32] r4:84e5a440 [ 1328.221779][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.221839][ T32] INFO: task kworker/1:278:4109 blocked for more than 454 seconds. [ 1328.221877][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.221903][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.221924][ T32] task:kworker/1:278 state:D stack:0 pid:4109 tgid:4109 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.221994][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.222077][ T32] Call trace: [ 1328.222113][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.222210][ T32] r10:8291880c r9:eabc1d84 r8:00000002 r7:60000113 r6:eabc1d8c r5:847aa400 [ 1328.222243][ T32] r4:847aa400 [ 1328.222263][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.222304][ T32] r5:847aa400 r4:82918808 [ 1328.222323][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 5 printk messages dropped ** [ 1328.222527][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1328.222813][ T32] r5:00001000 r4:e067d000 [ 1328.222836][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.222874][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1328.222974][ T32] r7:ddde2d80 r6:83018200 r5:85118b8c r4:850fbe80 [ 1328.223014][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.223089][ T32] r10:61c88647 r9:847aa400 r8:850fbeac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.223116][ T32] r4:850fbe80 [ 1328.223136][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.223199][ T32] r10:00000000 r9:850fbe80 r8:8027f5e8 r7:ea965e60 r6:850f0880 r5:847aa400 [ 1328.223225][ T32] r4:00000001 [ 1328.223244][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.223280][ T32] Exception stack(0xeabc1fb0 to 0xeabc1ff8) [ 1328.223307][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1328.223335][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.223361][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.223388][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.223432][ T32] r4:851027c0 [ 1328.223931][ T32] INFO: task kworker/1:278:4109 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.223966][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.224063][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.224121][ T32] Call trace: [ 1328.224156][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.224223][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.224251][ T32] r4:00000000 [ 1328.224272][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.224321][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.224374][ T32] dd20: dc5d0000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.224415][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 3 printk messages dropped ** [ 1328.224581][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1328.224892][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1328.225184][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1328.225364][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1328.225712][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1328.226011][ T32] task:kworker/1:279 state:D stack:0 pid:4110 tgid:4110 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1328.226399][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1328.226741][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.226780][ T32] r5:00001000 r4:dfecb000 [ 1328.226799][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.226857][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1328.227087][ T32] r10:61c88647 r9:847ab000 r8:850fbf2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1328.227358][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1328.227928][ T32] Call trace: ** 5 printk messages dropped ** [ 1328.228203][ T32] dd20: dc5d0000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.228255][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.228304][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.228332][ T32] r5:80070013 r4:80239bb0 [ 1328.228353][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.228396][ T32] r4:82ac11a4 [ 1328.228415][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.228482][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.228508][ T32] r4:e883ddc0 [ 1328.228547][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.228594][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.228617][ T32] r4:00000000 [ 1328.228637][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.228679][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.228710][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.228754][ T32] r5:00001000 r4:e47a2000 [ 1328.228795][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.228860][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.228905][ T32] r5:84fe978c r4:84fe9400 [ 1328.228926][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.228970][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.228990][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.229084][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.229111][ T32] r4:8454d880 [ 1328.229151][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.229198][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.229220][ T32] r4:00000001 [ 1328.229262][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.229326][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.229368][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.229439][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.229493][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.229531][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.229574][ T32] r4:84e5a440 [ 1328.229619][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.229647][ T32] INFO: task kworker/1:280:4113 blocked for more than 454 seconds. [ 1328.229675][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.229711][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.229735][ T32] task:kworker/1:280 state:D stack:0 pid:4113 tgid:4113 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.254062][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.254133][ T32] Call trace: [ 1328.254166][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.254275][ T32] r10:8291880c r9:ea935d84 r8:00000002 r7:60000113 r6:ea935d8c r5:8509ec00 [ 1328.254309][ T32] r4:8509ec00 [ 1328.254330][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.254371][ T32] r5:8509ec00 r4:82918808 [ 1328.254390][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.254427][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.254485][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea935e08 ** 9 printk messages dropped ** [ 1328.254939][ T32] r5:00001000 r4:e063f000 [ 1328.254962][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1328.255279][ T32] r4:850fbf80 ** 9 printk messages dropped ** [ 1328.255622][ T32] r4:85102980 ** 5 printk messages dropped ** [ 1328.256397][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 10 printk messages dropped ** [ 1328.256746][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 10 printk messages dropped ** [ 1328.257123][ T32] r5:84fe978c r4:84fe9400 ** 6 printk messages dropped ** [ 1328.257387][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 9 printk messages dropped ** [ 1328.257733][ T32] INFO: task kworker/1:281:4115 blocked for more than 454 seconds. ** 7 printk messages dropped ** [ 1328.258063][ T32] r4:8509c800 ** 7 printk messages dropped ** [ 1328.258345][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1328.258650][ T32] r5:00001000 r4:e072d000 ** 6 printk messages dropped ** [ 1328.258877][ T32] r10:61c88647 r9:8509c800 r8:851bc0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 16 printk messages dropped ** [ 1328.259708][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 16 printk messages dropped ** [ 1328.276366][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 12 printk messages dropped ** [ 1328.276935][ T32] r4:00000001 ** 9 printk messages dropped ** [ 1328.277339][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1328.277730][ T32] r4:8509b000 [ 1328.277749][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.277788][ T32] r5:8509b000 r4:82918808 [ 1328.277807][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.277842][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.277895][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8b9e08 [ 1328.277936][ T32] r4:00000000 [ 1328.277958][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.278016][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.278080][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.278149][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85102f00 [ 1328.278211][ T32] r4:00000000 [ 1328.278258][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.278316][ T32] r9:83018205 r8:8509b000 r7:00000000 r6:83018200 r5:00001000 r4:7f04d000 [ 1328.278341][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.278391][ T32] r5:00001000 r4:e06a7000 [ 1328.278414][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.278477][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.278521][ T32] r5:85118f8c r4:85118c00 [ 1328.278563][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.278610][ T32] r7:ddde2d80 r6:83018200 r5:85118f8c r4:851bc180 [ 1328.278631][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.278674][ T32] r10:61c88647 r9:8509b000 r8:851bc1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.278696][ T32] r4:851bc180 [ 1328.278714][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.278756][ T32] r10:00000000 r9:851bc180 r8:8027f5e8 r7:eabc9e60 r6:851bc200 r5:8509b000 [ 1328.278799][ T32] r4:00000001 [ 1328.278822][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.278868][ T32] Exception stack(0xea8b9fb0 to 0xea8b9ff8) [ 1328.278899][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.278928][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.278986][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.279018][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.279076][ T32] r4:85102c40 [ 1328.279550][ T32] INFO: task kworker/1:282:4116 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.279587][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.279655][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.279747][ T32] Call trace: [ 1328.292896][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.292975][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.293001][ T32] r4:00000000 [ 1328.293021][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.293069][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.293101][ T32] dd20: dd1fd000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.293173][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.293204][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.293228][ T32] r5:80070013 r4:80239bb0 [ 1328.293279][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.293349][ T32] r4:82ac11a4 [ 1328.293373][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.293445][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.293491][ T32] r4:e883ddc0 [ 1328.293516][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.293562][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.293583][ T32] r4:00000000 [ 1328.293602][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.293647][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.293668][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.293710][ T32] r5:00001000 r4:e47a2000 [ 1328.293750][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.293826][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.293876][ T32] r5:84fe978c r4:84fe9400 [ 1328.293897][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.293964][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.293995][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.294046][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.294069][ T32] r4:8454d880 [ 1328.294110][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.294158][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.294217][ T32] r4:00000001 [ 1328.294266][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.294304][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.294359][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.294392][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.294419][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.294470][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.294496][ T32] r4:84e5a440 [ 1328.294520][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.294576][ T32] INFO: task kworker/1:283:4119 blocked for more than 454 seconds. [ 1328.294611][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.294636][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.294658][ T32] task:kworker/1:283 state:D stack:0 pid:4119 tgid:4119 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.294736][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.294818][ T32] Call trace: [ 1328.294873][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.294921][ T32] r10:8291880c r9:eabd5d84 r8:00000002 r7:60000113 r6:eabd5d8c r5:85091800 [ 1328.294943][ T32] r4:85091800 ** 3 printk messages dropped ** [ 1328.295115][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1328.295502][ T32] r5:00001000 r4:e06cf000 [ 1328.295521][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1328.295600][ T32] r5:8511938c r4:85119000 ** 5 printk messages dropped ** [ 1328.295828][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 1 printk messages dropped ** [ 1328.295922][ T32] r4:00000001 [ 1328.295942][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.295979][ T32] Exception stack(0xeabd5fb0 to 0xeabd5ff8) [ 1328.296005][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.296059][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.296110][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.296163][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.296188][ T32] r4:85101540 [ 1328.296648][ T32] INFO: task kworker/1:283:4119 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.296682][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.296764][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.296808][ T32] Call trace: [ 1328.296859][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.296933][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.296960][ T32] r4:00000000 [ 1328.296993][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.297035][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.297073][ T32] dd20: dd1fd000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.297113][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.297141][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.297165][ T32] r5:80070013 r4:80239bb0 [ 1328.297187][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.297231][ T32] r4:82ac11a4 [ 1328.297250][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.297296][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.297333][ T32] r4:e883ddc0 [ 1328.297355][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.297398][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.297419][ T32] r4:00000000 [ 1328.297438][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.297480][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.297501][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.297542][ T32] r5:00001000 r4:e47a2000 [ 1328.297562][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.297599][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.297640][ T32] r5:84fe978c r4:84fe9400 [ 1328.297659][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.297704][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.297724][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.297768][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.297811][ T32] r4:8454d880 [ 1328.297834][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.297878][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.297908][ T32] r4:00000001 [ 1328.297931][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.297967][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.298012][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.298047][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1328.298130][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1328.298611][ T32] r10:8291880c r9:eabd9d84 r8:00000002 r7:60000113 r6:eabd9d8c r5:850a0000 ** 6 printk messages dropped ** [ 1328.298917][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1328.299207][ T32] r9:83018205 r8:850a0000 r7:00000000 r6:83018200 r5:00001000 r4:7f051000 ** 1 printk messages dropped ** [ 1328.299283][ T32] r5:00001000 r4:e06f1000 [ 1328.299303][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1328.299541][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1328.314403][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1328.315504][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 9 printk messages dropped ** [ 1328.315865][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 1 printk messages dropped ** [ 1328.315950][ T32] r4:e883ddc0 [ 1328.315970][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.316023][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.316055][ T32] r4:00000000 [ 1328.316096][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.316166][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.316207][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.316252][ T32] r5:00001000 r4:e47a2000 [ 1328.316272][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.316311][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.316361][ T32] r5:84fe978c r4:84fe9400 [ 1328.316384][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.316431][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.316452][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.316495][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.316539][ T32] r4:8454d880 [ 1328.316562][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.316607][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.316629][ T32] r4:00000001 [ 1328.316648][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.316682][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.316727][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1328.316807][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1328.317204][ T32] Call trace: ** 6 printk messages dropped ** [ 1328.317494][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1328.317912][ T32] r5:00001000 r4:ead59000 [ 1328.317931][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.317978][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1328.318127][ T32] r7:dddced80 r6:83018000 r5:84fcb78c r4:850f0980 ** 7 printk messages dropped ** [ 1328.318457][ T32] Exception stack(0xeabd1fb0 to 0xeabd1ff8) ** 6 printk messages dropped ** [ 1328.319027][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1328.319513][ T32] r5:80070013 r4:80239bb0 ** 7 printk messages dropped ** [ 1328.336395][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1328.336544][ T32] r5:00001000 r4:e47a2000 ** 6 printk messages dropped ** [ 1328.336873][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1328.337169][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1328.337487][ T32] task:kworker/1:285 state:D stack:0 pid:4125 tgid:4125 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1328.337843][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabe5e08 ** 9 printk messages dropped ** [ 1328.338379][ T32] r5:00001000 r4:e0759000 [ 1328.338411][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1328.338607][ T32] r7:ddde2d80 r6:83018200 r5:85119f8c r4:851bc480 ** 1 printk messages dropped ** [ 1328.338687][ T32] r10:61c88647 r9:847ad400 r8:851bc4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.338711][ T32] r4:851bc480 [ 1328.338743][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.338790][ T32] r10:00000000 r9:851bc480 r8:8027f5e8 r7:eabc9e60 r6:850f0a80 r5:847ad400 [ 1328.338823][ T32] r4:00000001 [ 1328.338875][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.338915][ T32] Exception stack(0xeabe5fb0 to 0xeabe5ff8) [ 1328.338941][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.338969][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.339004][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.339036][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.339063][ T32] r4:851c4240 [ 1328.339537][ T32] INFO: task kworker/1:285:4125 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.339571][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.339661][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.352819][ T32] Call trace: [ 1328.352950][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.353024][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.353066][ T32] r4:00000000 [ 1328.353112][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.353157][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.353189][ T32] dd20: ddbad000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.353238][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.353269][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.353294][ T32] r5:80070013 r4:80239bb0 [ 1328.353315][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.353362][ T32] r4:82ac11a4 [ 1328.353404][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.353482][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.353509][ T32] r4:e883ddc0 [ 1328.353549][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.353618][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.353643][ T32] r4:00000000 [ 1328.353684][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.353733][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.353756][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.353799][ T32] r5:00001000 r4:e47a2000 [ 1328.353818][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.353856][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.353917][ T32] r5:84fe978c r4:84fe9400 [ 1328.353942][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.354010][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.354034][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.354085][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.354107][ T32] r4:8454d880 [ 1328.354125][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.354170][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.354235][ T32] r4:00000001 [ 1328.354261][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.354298][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.354347][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.354380][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.354407][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.354435][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.354457][ T32] r4:84e5a440 [ 1328.354505][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.354551][ T32] INFO: task kworker/1:286:4126 blocked for more than 454 seconds. [ 1328.354586][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.354611][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1328.354717][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1328.355115][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1328.355579][ T32] r5:00001000 r4:ea8e7000 [ 1328.355599][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.355655][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1328.355807][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1328.356175][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1328.357079][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 9 printk messages dropped ** [ 1328.357420][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 10 printk messages dropped ** [ 1328.357859][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1328.358429][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1328.358589][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1328.358794][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1328.359056][ T32] r5:847aec00 r4:82918808 [ 1328.359079][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.359115][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.359156][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabede08 [ 1328.359177][ T32] r4:00000000 [ 1328.359205][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.359263][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.359303][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.359379][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c4680 [ 1328.359405][ T32] r4:00000000 [ 1328.359425][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.359469][ T32] r9:83018205 r8:847aec00 r7:00000000 r6:83018200 r5:00001000 r4:7f059000 [ 1328.359489][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.359529][ T32] r5:00001000 r4:ea8c9000 [ 1328.359548][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.359585][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.359653][ T32] r5:8511a38c r4:8511a000 [ 1328.359677][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.359740][ T32] r7:ddde2d80 r6:83018200 r5:8511a38c r4:851bc580 [ 1328.370093][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.370180][ T32] r10:61c88647 r9:847aec00 r8:851bc5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.370233][ T32] r4:851bc580 [ 1328.370254][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.370302][ T32] r10:00000000 r9:851bc580 r8:8027f5e8 r7:eabe9e60 r6:850f0b80 r5:847aec00 [ 1328.370339][ T32] r4:00000001 [ 1328.370384][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.370435][ T32] Exception stack(0xeabedfb0 to 0xeabedff8) [ 1328.370488][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.370521][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.370547][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.370596][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.370621][ T32] r4:851c45c0 [ 1328.371081][ T32] INFO: task kworker/1:287:4128 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.371137][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.371231][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.371345][ T32] Call trace: [ 1328.371403][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.371455][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.371499][ T32] r4:00000000 [ 1328.371522][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.371582][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.371635][ T32] dd20: ddc4e000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.371666][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.371692][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.371715][ T32] r5:80070013 r4:80239bb0 [ 1328.371755][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.371827][ T32] r4:82ac11a4 [ 1328.371872][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.371930][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.371956][ T32] r4:e883ddc0 [ 1328.371975][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.372019][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.372055][ T32] r4:00000000 [ 1328.372079][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.372124][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.372145][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.372205][ T32] r5:00001000 r4:e47a2000 [ 1328.372238][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.372301][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.372367][ T32] r5:84fe978c r4:84fe9400 [ 1328.372390][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.372459][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.372483][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.372529][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.372551][ T32] r4:8454d880 [ 1328.372569][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.372611][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.372669][ T32] r4:00000001 [ 1328.372691][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.372748][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 1 printk messages dropped ** [ 1328.372851][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1328.373176][ T32] task:kworker/1:288 state:D stack:0 pid:4131 tgid:4131 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1328.373611][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabf5e08 ** 9 printk messages dropped ** [ 1328.373957][ T32] r5:00001000 r4:ea907000 [ 1328.373976][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1328.374078][ T32] r5:8511ab8c r4:8511a800 ** 4 printk messages dropped ** [ 1328.374323][ T32] r4:851bc600 ** 5 printk messages dropped ** [ 1328.374534][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1328.375144][ T32] Call trace: ** 5 printk messages dropped ** [ 1328.375392][ T32] dd20: ddc4e000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.375420][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.375444][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.375466][ T32] r5:80070013 r4:80239bb0 [ 1328.375486][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.375527][ T32] r4:82ac11a4 [ 1328.375546][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.375591][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.375613][ T32] r4:e883ddc0 [ 1328.375632][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.375673][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.375694][ T32] r4:00000000 [ 1328.375724][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.375770][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.375807][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.375852][ T32] r5:00001000 r4:e47a2000 [ 1328.375872][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.375932][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.375976][ T32] r5:84fe978c r4:84fe9400 [ 1328.375997][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.376046][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.376067][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.376111][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.376133][ T32] r4:8454d880 [ 1328.376152][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.376194][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.376215][ T32] r4:00000001 [ 1328.376234][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.376267][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.376292][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.376332][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.376362][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1328.376577][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1328.376887][ T32] r4:850a0c00 ** 4 printk messages dropped ** [ 1328.377107][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabdde08 ** 9 printk messages dropped ** [ 1328.377546][ T32] r5:00001000 r4:ea94b000 [ 1328.377565][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.377602][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.377644][ T32] r5:8511b38c r4:8511b000 [ 1328.377665][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.377709][ T32] r7:ddde2d80 r6:83018200 r5:8511b38c r4:851bc680 [ 1328.377751][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.377800][ T32] r10:61c88647 r9:850a0c00 r8:851bc6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.377842][ T32] r4:851bc680 [ 1328.377865][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.377926][ T32] r10:00000000 r9:851bc680 r8:8027f5e8 r7:eabf5e60 r6:851bc700 r5:850a0c00 [ 1328.377961][ T32] r4:00000001 [ 1328.377992][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.378033][ T32] Exception stack(0xeabddfb0 to 0xeabddff8) [ 1328.378069][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.378119][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.378157][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.378213][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.378240][ T32] r4:851c46c0 [ 1328.378551][ T32] INFO: task kworker/1:289:4133 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.378617][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.378748][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.378830][ T32] Call trace: [ 1328.378889][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.378941][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.379016][ T32] r4:00000000 [ 1328.379056][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.379119][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.379150][ T32] dd20: ddc4e000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.379329][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.379367][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.379391][ T32] r5:80070013 r4:80239bb0 [ 1328.379462][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.379533][ T32] r4:82ac11a4 [ 1328.379578][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.379650][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.379675][ T32] r4:e883ddc0 [ 1328.379729][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.379834][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.414362][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1328.414584][ T32] r5:00001000 r4:e47a2000 ** 6 printk messages dropped ** [ 1328.414832][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1328.415135][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1328.415530][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1328.415719][ T32] r4:850a3000 [ 1328.415739][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.415779][ T32] r5:850a3000 r4:82918808 [ 1328.415808][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.415848][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.415889][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabe1e08 [ 1328.415931][ T32] r4:00000000 [ 1328.415962][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.416020][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.416068][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.416134][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c4a00 [ 1328.416161][ T32] r4:00000000 [ 1328.416202][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.416269][ T32] r9:83018205 r8:850a3000 r7:00000000 r6:83018200 r5:00001000 r4:7f05f000 [ 1328.416293][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.416335][ T32] r5:00001000 r4:ea927000 [ 1328.416379][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.416421][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.416461][ T32] r5:8511af8c r4:8511ac00 [ 1328.416491][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.416539][ T32] r7:ddde2d80 r6:83018200 r5:8511af8c r4:851bc780 [ 1328.416559][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.416602][ T32] r10:61c88647 r9:850a3000 r8:851bc7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.416624][ T32] r4:851bc780 [ 1328.416643][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.416685][ T32] r10:00000000 r9:851bc780 r8:8027f5e8 r7:eabdde60 r6:851bc800 r5:850a3000 [ 1328.416706][ T32] r4:00000001 [ 1328.416746][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.416811][ T32] Exception stack(0xeabe1fb0 to 0xeabe1ff8) [ 1328.416861][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1328.416892][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.416919][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.416958][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1328.417623][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1328.417947][ T32] dd20: de596000 edddd000 00000001 80239b98 7fb69000 00000001 ** 10 printk messages dropped ** [ 1328.418346][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1328.418620][ T32] r5:84fe978c r4:84fe9400 ** 4 printk messages dropped ** [ 1328.418835][ T32] r4:8454d880 ** 4 printk messages dropped ** [ 1328.419016][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.419048][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.419076][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.419125][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.419157][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.419180][ T32] r4:84e5a440 [ 1328.419221][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.419252][ T32] INFO: task kworker/1:291:4137 blocked for more than 454 seconds. [ 1328.419279][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.419305][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.419327][ T32] task:kworker/1:291 state:D stack:0 pid:4137 tgid:4137 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.419370][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.419422][ T32] Call trace: [ 1328.419496][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.419547][ T32] r10:8291880c r9:eabfdd84 r8:00000002 r7:60000113 r6:eabfdd8c r5:850a3c00 [ 1328.419569][ T32] r4:850a3c00 [ 1328.419597][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.419640][ T32] r5:850a3c00 r4:82918808 [ 1328.419659][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.419695][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.419738][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabfde08 [ 1328.419806][ T32] r4:00000000 [ 1328.428045][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.428130][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 2 printk messages dropped ** [ 1328.428261][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1328.428405][ T32] r5:00001000 r4:eac03000 [ 1328.428426][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.428464][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1328.428691][ T32] r10:61c88647 r9:850a3c00 r8:851bc8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1328.428990][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1328.440373][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1328.440752][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1328.440940][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 9 printk messages dropped ** [ 1328.441280][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 5 printk messages dropped ** [ 1328.441522][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1328.441682][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1328.441945][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1328.442278][ T32] r5:850a4800 r4:82918808 ** 5 printk messages dropped ** [ 1328.442557][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1328.442787][ T32] r5:00001000 r4:eac0f000 [ 1328.442828][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1328.443034][ T32] r7:ddde2d80 r6:83018200 r5:8511bb8c r4:851bc980 ** 5 printk messages dropped ** [ 1328.443233][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1328.443423][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1328.444355][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 5 printk messages dropped ** [ 1328.444538][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 8 printk messages dropped ** [ 1328.444843][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1328.445088][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1328.445502][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 6 printk messages dropped ** [ 1328.445740][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1328.446156][ T32] r10:8291880c r9:eac01d84 r8:00000002 r7:60000113 r6:eac01d8c r5:850a5400 ** 6 printk messages dropped ** [ 1328.446466][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1328.446699][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1328.446875][ T32] r5:00001000 r4:eac27000 [ 1328.446919][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1328.447023][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1328.447381][ T32] Exception stack(0xeac01fb0 to 0xeac01ff8) ** 1 printk messages dropped ** [ 1328.447435][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.447461][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.447516][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.447542][ T32] r4:851c4d00 [ 1328.447829][ T32] INFO: task kworker/1:293:4141 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.447883][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.447943][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.448009][ T32] Call trace: [ 1328.448076][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.448129][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.448152][ T32] r4:00000000 [ 1328.448171][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.448208][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.448250][ T32] dd20: de90a000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.448305][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.448334][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.448380][ T32] r5:80070013 r4:80239bb0 [ 1328.448426][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.448473][ T32] r4:82ac11a4 [ 1328.448492][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.448538][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.448582][ T32] r4:e883ddc0 [ 1328.448604][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.448648][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.448670][ T32] r4:00000000 [ 1328.448716][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.448762][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.448786][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.448826][ T32] r5:00001000 r4:e47a2000 [ 1328.448859][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.448901][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.448942][ T32] r5:84fe978c r4:84fe9400 [ 1328.449003][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.449057][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.449079][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.449159][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.449185][ T32] r4:8454d880 [ 1328.449226][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.449306][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.449332][ T32] r4:00000001 [ 1328.449373][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.449413][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.449472][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.449504][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.449531][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.449574][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.449600][ T32] r4:84e5a440 [ 1328.449621][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.449646][ T32] INFO: task kworker/1:294:4143 blocked for more than 454 seconds. [ 1328.449698][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.449790][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.473099][ T32] task:kworker/1:294 state:D stack:0 pid:4143 tgid:4143 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.473260][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.473410][ T32] Call trace: [ 1328.473523][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.473641][ T32] r10:8291880c r9:eac19d84 r8:00000002 r7:60000113 r6:eac19d8c r5:850a6000 [ 1328.473695][ T32] r4:850a6000 [ 1328.473743][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.473829][ T32] r5:850a6000 r4:82918808 [ 1328.473874][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.473953][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.474046][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac19e08 [ 1328.474099][ T32] r4:00000000 [ 1328.474140][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.474238][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.474330][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.474443][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c4040 [ 1328.474508][ T32] r4:00000000 [ 1328.474556][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.474650][ T32] r9:83018205 r8:850a6000 r7:00000000 r6:83018200 r5:00001000 r4:7f0af000 [ 1328.474700][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.474786][ T32] r5:00001000 r4:eac1b000 [ 1328.474834][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.474920][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1328.475154][ T32] r7:ddde2d80 r6:83018200 r5:8511bf8c r4:851bcb80 ** 7 printk messages dropped ** [ 1328.475666][ T32] Exception stack(0xeac19fb0 to 0xeac19ff8) ** 5 printk messages dropped ** [ 1328.476853][ T32] INFO: task kworker/1:294:4143 is blocked on a mutex likely owned by task kworker/1:172:3871. ** 9 printk messages dropped ** [ 1328.477745][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 9 printk messages dropped ** [ 1328.478492][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1328.478973][ T32] r5:84fe978c r4:84fe9400 ** 4 printk messages dropped ** [ 1328.479324][ T32] r4:8454d880 ** 4 printk messages dropped ** [ 1328.479648][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 4 printk messages dropped ** [ 1328.500343][ T32] r4:84e5a440 ** 4 printk messages dropped ** [ 1328.500536][ T32] task:kworker/1:295 state:D stack:0 pid:4145 tgid:4145 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1328.501116][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac25e08 ** 7 printk messages dropped ** [ 1328.501475][ T32] r9:83018205 r8:850a6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b3000 ** 1 printk messages dropped ** [ 1328.501551][ T32] r5:00001000 r4:eac33000 ** 1 printk messages dropped ** [ 1328.501639][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1328.502028][ T32] r10:00000000 r9:851bcc80 r8:8027f5e8 r7:eac01e60 r6:851bcd00 r5:850a6c00 ** 8 printk messages dropped ** [ 1328.502851][ T32] INFO: task kworker/1:295:4145 is blocked on a mutex likely owned by task kworker/1:172:3871. ** 9 printk messages dropped ** [ 1328.503281][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 6 printk messages dropped ** [ 1328.503551][ T32] r4:e883ddc0 [ 1328.503579][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.503624][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.503654][ T32] r4:00000000 [ 1328.503677][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.503740][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.503766][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.503809][ T32] r5:00001000 r4:e47a2000 [ 1328.503829][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.503886][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.503930][ T32] r5:84fe978c r4:84fe9400 [ 1328.503951][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.503996][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.504016][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.504064][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.504087][ T32] r4:8454d880 [ 1328.504125][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.504172][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.504209][ T32] r4:00000001 [ 1328.504232][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.504267][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.504294][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.504330][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.504384][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.504435][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.504482][ T32] r4:84e5a440 [ 1328.504527][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.504555][ T32] INFO: task kworker/1:296:4147 blocked for more than 455 seconds. [ 1328.504583][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.504626][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.504651][ T32] task:kworker/1:296 state:D stack:0 pid:4147 tgid:4147 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.504709][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.504763][ T32] Call trace: [ 1328.504812][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.504862][ T32] r10:8291880c r9:eac31d84 r8:00000002 r7:60000013 r6:eac31d8c r5:850a2400 [ 1328.504886][ T32] r4:850a2400 [ 1328.504904][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.504943][ T32] r5:850a2400 r4:82918808 [ 1328.504962][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.504996][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.505074][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac31e08 [ 1328.505100][ T32] r4:00000000 [ 1328.505121][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.505156][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.505192][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.505234][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d1600 [ 1328.505275][ T32] r4:00000000 [ 1328.505298][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.505363][ T32] r9:83018205 r8:850a2400 r7:00000000 r6:83018200 r5:00001000 r4:7f0b7000 [ 1328.505407][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.505452][ T32] r5:00001000 r4:eac4b000 [ 1328.505473][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.505531][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.505590][ T32] r5:85120f8c r4:85120c00 [ 1328.505613][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.505680][ T32] r7:ddde2d80 r6:83018200 r5:85120f8c r4:851bcd80 [ 1328.505704][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.505749][ T32] r10:61c88647 r9:850a2400 r8:851bcdac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.505771][ T32] r4:851bcd80 [ 1328.505789][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.505831][ T32] r10:00000000 r9:851bcd80 r8:8027f5e8 r7:eac25e60 r6:851bce00 r5:850a2400 [ 1328.505873][ T32] r4:00000001 [ 1328.505895][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.505931][ T32] Exception stack(0xeac31fb0 to 0xeac31ff8) [ 1328.505957][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1328.506005][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.506053][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.506085][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.506107][ T32] r4:851d1100 [ 1328.506409][ T32] INFO: task kworker/1:296:4147 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.506449][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.506552][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.506642][ T32] Call trace: [ 1328.506697][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.506750][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.506794][ T32] r4:00000000 [ 1328.506837][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 5 printk messages dropped ** [ 1328.507026][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 11 printk messages dropped ** [ 1328.507475][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1328.507731][ T32] r4:8454d880 ** 4 printk messages dropped ** [ 1328.507950][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 6 printk messages dropped ** [ 1328.508230][ T32] INFO: task kworker/1:297:4148 blocked for more than 455 seconds. ** 7 printk messages dropped ** [ 1328.508552][ T32] r4:850a1800 ** 4 printk messages dropped ** [ 1328.508752][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac0de08 ** 9 printk messages dropped ** [ 1328.509106][ T32] r5:00001000 r4:eac3f000 [ 1328.509125][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1328.509234][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1328.509594][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1328.529665][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1328.540532][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1328.540761][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1328.541194][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1328.541409][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.541436][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.541483][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.541513][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.541541][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.541562][ T32] r4:84e5a440 [ 1328.541586][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.541615][ T32] INFO: task kworker/1:298:4151 blocked for more than 455 seconds. [ 1328.541649][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.541673][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.541696][ T32] task:kworker/1:298 state:D stack:0 pid:4151 tgid:4151 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.541774][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.541818][ T32] Call trace: [ 1328.541849][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.541900][ T32] r10:8291880c r9:eac3dd84 r8:00000002 r7:60000113 r6:eac3dd8c r5:85099800 [ 1328.541922][ T32] r4:85099800 [ 1328.541941][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.541978][ T32] r5:85099800 r4:82918808 [ 1328.541997][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.542033][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.542084][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac3de08 [ 1328.542106][ T32] r4:00000000 [ 1328.542136][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.542240][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.542310][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.542382][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d1900 [ 1328.542418][ T32] r4:00000000 [ 1328.542441][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.542486][ T32] r9:83018205 r8:85099800 r7:00000000 r6:83018200 r5:00001000 r4:7f0bb000 [ 1328.542530][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.542578][ T32] r5:00001000 r4:eac63000 [ 1328.542598][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.542635][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.542679][ T32] r5:8512178c r4:85121400 [ 1328.542700][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.542743][ T32] r7:ddde2d80 r6:83018200 r5:8512178c r4:851bcf80 [ 1328.542800][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.542848][ T32] r10:61c88647 r9:85099800 r8:851bcfac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.542870][ T32] r4:851bcf80 [ 1328.542889][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.542931][ T32] r10:00000000 r9:851bcf80 r8:8027f5e8 r7:eac31e60 r6:851db000 r5:85099800 [ 1328.542955][ T32] r4:00000001 [ 1328.542973][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.543009][ T32] Exception stack(0xeac3dfb0 to 0xeac3dff8) [ 1328.543035][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.543069][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.543105][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.543137][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.543192][ T32] r4:851d1380 [ 1328.543704][ T32] INFO: task kworker/1:298:4151 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.543740][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.543798][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.543843][ T32] Call trace: [ 1328.543902][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.543965][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.543992][ T32] r4:00000000 [ 1328.544032][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.544079][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.544128][ T32] dd20: df8be000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.544183][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.544231][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.544258][ T32] r5:80070013 r4:80239bb0 [ 1328.544278][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.544332][ T32] r4:82ac11a4 [ 1328.544355][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.544401][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.544423][ T32] r4:e883ddc0 [ 1328.544441][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.544483][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 2 printk messages dropped ** [ 1328.544566][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 8 printk messages dropped ** [ 1328.544867][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1328.544972][ T32] r4:00000001 ** 1 printk messages dropped ** [ 1328.545054][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 3 printk messages dropped ** [ 1328.545198][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1328.545319][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1328.545446][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1328.545695][ T32] r5:850a8000 r4:82918808 ** 8 printk messages dropped ** [ 1328.546077][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1328.546278][ T32] r5:00001000 r4:eac57000 [ 1328.546301][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.546341][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.546390][ T32] r5:8512138c r4:85121000 [ 1328.546412][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.546464][ T32] r7:ddde2d80 r6:83018200 r5:8512138c r4:851db080 [ 1328.546487][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.546532][ T32] r10:61c88647 r9:850a8000 r8:851db0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.546554][ T32] r4:851db080 [ 1328.546572][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.546613][ T32] r10:00000000 r9:851db080 r8:8027f5e8 r7:eac3de60 r6:851db100 r5:850a8000 [ 1328.546654][ T32] r4:00000001 [ 1328.546698][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.546737][ T32] Exception stack(0xeac55fb0 to 0xeac55ff8) [ 1328.546785][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.546837][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.546867][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.546916][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.546941][ T32] r4:851d1380 [ 1328.547268][ T32] INFO: task kworker/1:299:4153 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.547301][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.547370][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.547413][ T32] Call trace: [ 1328.547442][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.547506][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.547533][ T32] r4:00000000 [ 1328.547553][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 2 printk messages dropped ** [ 1328.547645][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 11 printk messages dropped ** [ 1328.548080][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 8 printk messages dropped ** [ 1328.548433][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1328.548830][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1328.549278][ T32] r10:8291880c r9:eac61d84 r8:00000002 r7:60000013 r6:eac61d8c r5:850a8c00 [ 1328.549305][ T32] r4:850a8c00 [ 1328.549324][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.549363][ T32] r5:850a8c00 r4:82918808 [ 1328.549382][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.549436][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.549502][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac61e08 [ 1328.549528][ T32] r4:00000000 [ 1328.549568][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.549628][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.549667][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.549773][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d1a40 [ 1328.574687][ T32] r4:00000000 [ 1328.574767][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.574842][ T32] r9:83018205 r8:850a8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0bd000 [ 1328.574866][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.574910][ T32] r5:00001000 r4:eac6f000 [ 1328.574929][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.574968][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.575008][ T32] r5:85121b8c r4:85121800 [ 1328.575028][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1328.575203][ T32] r4:851db180 ** 6 printk messages dropped ** [ 1328.575435][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1328.576318][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1328.576708][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1328.576930][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1328.577205][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.577250][ T32] r5:84fe978c r4:84fe9400 [ 1328.577271][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.577326][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.577371][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.577451][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.577478][ T32] r4:8454d880 [ 1328.577497][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.577541][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.577562][ T32] r4:00000001 [ 1328.577581][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.577637][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.577666][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.577715][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.577744][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.577773][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.577814][ T32] r4:84e5a440 [ 1328.577848][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.577889][ T32] INFO: task kworker/1:301:4158 blocked for more than 455 seconds. [ 1328.577946][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.577976][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.577998][ T32] task:kworker/1:301 state:D stack:0 pid:4158 tgid:4158 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.578075][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.578116][ T32] Call trace: [ 1328.578177][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 4 printk messages dropped ** [ 1328.578373][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1328.578898][ T32] r5:00001000 r4:eac83000 [ 1328.578918][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.578956][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1328.579236][ T32] r4:851db280 ** 6 printk messages dropped ** [ 1328.579525][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1328.589312][ T32] Call trace: ** 4 printk messages dropped ** [ 1328.589556][ T32] Exception stack(0xe883dd28 to 0xe883dd70) ** 7 printk messages dropped ** [ 1328.592764][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 9 printk messages dropped ** [ 1328.593196][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1328.593602][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 7 printk messages dropped ** [ 1328.593899][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1328.594272][ T32] r4:850abc00 ** 4 printk messages dropped ** [ 1328.594471][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac79e08 ** 9 printk messages dropped ** [ 1328.594851][ T32] r5:00001000 r4:eac7b000 [ 1328.594896][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1328.595022][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 11 printk messages dropped ** [ 1328.595506][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1328.596343][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1328.596662][ T32] r4:82ac11a4 [ 1328.596682][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.596727][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.596749][ T32] r4:e883ddc0 [ 1328.596768][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.596810][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.596831][ T32] r4:00000000 [ 1328.596850][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.596896][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.596918][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.596959][ T32] r5:00001000 r4:e47a2000 [ 1328.596989][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.597035][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.597087][ T32] r5:84fe978c r4:84fe9400 [ 1328.597107][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.597161][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.597185][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.597231][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.597252][ T32] r4:8454d880 [ 1328.597271][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.597313][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.597335][ T32] r4:00000001 [ 1328.597362][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.597422][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.597451][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.597481][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.597507][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.597534][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.597555][ T32] r4:84e5a440 [ 1328.597590][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.597617][ T32] INFO: task kworker/1:303:4161 blocked for more than 455 seconds. [ 1328.597645][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.597697][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.597742][ T32] task:kworker/1:303 state:D stack:0 pid:4161 tgid:4161 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.597808][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.597872][ T32] Call trace: [ 1328.597905][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.597952][ T32] r10:8291880c r9:eac99d84 r8:00000002 r7:60000113 r6:eac99d8c r5:850a9800 [ 1328.597975][ T32] r4:850a9800 [ 1328.598013][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.598061][ T32] r5:850a9800 r4:82918808 [ 1328.598082][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.598141][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.598206][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac99e08 [ 1328.598242][ T32] r4:00000000 [ 1328.598264][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.598318][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.598358][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.598402][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851e1280 [ 1328.598425][ T32] r4:00000000 [ 1328.598445][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.598497][ T32] r9:83018205 r8:850a9800 r7:00000000 r6:83018200 r5:00001000 r4:7f0fb000 [ 1328.598541][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.598606][ T32] r5:00001000 r4:eacab000 [ 1328.598629][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.598678][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.598722][ T32] r5:85122f8c r4:85122c00 [ 1328.598761][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.598808][ T32] r7:ddde2d80 r6:83018200 r5:85122f8c r4:851db500 [ 1328.598830][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.598874][ T32] r10:61c88647 r9:850a9800 r8:851db52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.598915][ T32] r4:851db500 [ 1328.598938][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.598996][ T32] r10:00000000 r9:851db500 r8:8027f5e8 r7:eac49e60 r6:851db580 r5:850a9800 [ 1328.599056][ T32] r4:00000001 [ 1328.599085][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.599123][ T32] Exception stack(0xeac99fb0 to 0xeac99ff8) [ 1328.599149][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.599176][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.599202][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.599249][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.599285][ T32] r4:851d1c40 [ 1328.599574][ T32] INFO: task kworker/1:303:4161 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.599605][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.599683][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.599727][ T32] Call trace: [ 1328.620330][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.620462][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.620493][ T32] r4:00000000 [ 1328.620515][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.620605][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.620648][ T32] dd20: e040e000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.620678][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.620703][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.620745][ T32] r5:80070013 r4:80239bb0 [ 1328.620774][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.620822][ T32] r4:82ac11a4 [ 1328.620842][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.620910][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.620937][ T32] r4:e883ddc0 [ 1328.620987][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 3 printk messages dropped ** [ 1328.621161][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 9 printk messages dropped ** [ 1328.621573][ T32] r4:8454d880 ** 6 printk messages dropped ** [ 1328.621851][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1328.622233][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1328.622646][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaca5e08 ** 9 printk messages dropped ** [ 1328.623055][ T32] r5:00001000 r4:eac8b000 [ 1328.623075][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1328.623197][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1328.623495][ T32] Exception stack(0xeaca5fb0 to 0xeaca5ff8) ** 6 printk messages dropped ** [ 1328.624181][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1328.624762][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1328.625001][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1328.625420][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1328.625756][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1328.625983][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1328.626125][ T32] r4:850ac800 [ 1328.626144][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.626184][ T32] r5:850ac800 r4:82918808 [ 1328.626226][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.626263][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.626314][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaca9e08 [ 1328.626340][ T32] r4:00000000 [ 1328.626359][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.626413][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.626453][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.626510][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85101c80 [ 1328.626535][ T32] r4:00000000 [ 1328.626555][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.626598][ T32] r9:83018205 r8:850ac800 r7:00000000 r6:83018200 r5:00001000 r4:7f0f9000 [ 1328.626619][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.626658][ T32] r5:00001000 r4:eac9b000 [ 1328.626687][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.626729][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.626770][ T32] r5:85122b8c r4:85122800 [ 1328.626797][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.626852][ T32] r7:ddde2d80 r6:83018200 r5:85122b8c r4:851db680 [ 1328.626897][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.626945][ T32] r10:61c88647 r9:850ac800 r8:851db6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.626983][ T32] r4:851db680 [ 1328.627007][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.627062][ T32] r10:00000000 r9:851db680 r8:8027f5e8 r7:eac99e60 r6:851db700 r5:850ac800 [ 1328.627085][ T32] r4:00000001 [ 1328.627103][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.627147][ T32] Exception stack(0xeaca9fb0 to 0xeaca9ff8) [ 1328.627176][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.627205][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.627232][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.627261][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.627282][ T32] r4:851d1ac0 [ 1328.627617][ T32] INFO: task kworker/1:305:4165 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.627652][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.627740][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.627796][ T32] Call trace: [ 1328.627847][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.627899][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.627922][ T32] r4:00000000 [ 1328.627941][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.628003][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.628030][ T32] dd20: e040e000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.628064][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.628088][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.628123][ T32] r5:80070013 r4:80239bb0 [ 1328.628168][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.628216][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1328.628318][ T32] r4:e883ddc0 ** 10 printk messages dropped ** [ 1328.628695][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 13 printk messages dropped ** [ 1328.629234][ T32] r4:84e5a440 ** 9 printk messages dropped ** [ 1328.629551][ T32] r4:850aec00 ** 7 printk messages dropped ** [ 1328.660493][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1328.660875][ T32] r5:00001000 r4:eacb7000 ** 4 printk messages dropped ** [ 1328.661054][ T32] r7:ddde2d80 r6:83018200 r5:8512338c r4:851db780 ** 12 printk messages dropped ** [ 1328.661418][ T32] r4:851e1100 ** 6 printk messages dropped ** [ 1328.662228][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1328.662460][ T32] r4:82ac11a4 [ 1328.662480][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.662525][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.662548][ T32] r4:e883ddc0 [ 1328.662566][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.662629][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.662655][ T32] r4:00000000 [ 1328.662675][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.662739][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.662765][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.662807][ T32] r5:00001000 r4:e47a2000 [ 1328.662846][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.662921][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.662986][ T32] r5:84fe978c r4:84fe9400 [ 1328.663030][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.663106][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.663129][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.663195][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.663231][ T32] r4:8454d880 [ 1328.663268][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.663315][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.663337][ T32] r4:00000001 [ 1328.663356][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.663412][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.663441][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.663480][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.663533][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.663565][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.663587][ T32] r4:84e5a440 [ 1328.663608][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.663636][ T32] INFO: task kworker/1:307:4169 blocked for more than 455 seconds. [ 1328.663690][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.663740][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.663785][ T32] task:kworker/1:307 state:D stack:0 pid:4169 tgid:4169 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.663832][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.663873][ T32] Call trace: [ 1328.663902][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.663948][ T32] r10:8291880c r9:eacc1d84 r8:00000002 r7:60000113 r6:eacc1d8c r5:850ad400 ** 3 printk messages dropped ** [ 1328.664075][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1328.664596][ T32] r5:00001000 r4:eacdb000 [ 1328.664619][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1328.664891][ T32] r4:851db880 ** 7 printk messages dropped ** [ 1328.665211][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1328.666126][ T32] Exception stack(0xe883dd28 to 0xe883dd70) ** 11 printk messages dropped ** [ 1328.666591][ T32] r4:00000000 ** 10 printk messages dropped ** [ 1328.667009][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 13 printk messages dropped ** [ 1328.667483][ T32] Not tainted 6.15.0-syzkaller #0 ** 11 printk messages dropped ** [ 1328.667999][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac6de08 ** 9 printk messages dropped ** [ 1328.668387][ T32] r5:00001000 r4:eacc3000 ** 2 printk messages dropped ** [ 1328.668485][ T32] r5:8512378c r4:85123400 ** 6 printk messages dropped ** [ 1328.668739][ T32] r10:00000000 r9:851db980 r8:8027f5e8 r7:eacc1e60 r6:851dba00 r5:850b0000 ** 13 printk messages dropped ** [ 1328.669557][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 11 printk messages dropped ** [ 1328.690436][ T32] r4:e883ddc0 ** 10 printk messages dropped ** [ 1328.690997][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1328.691199][ T32] r4:8454d880 [ 1328.691219][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.691284][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.691311][ T32] r4:00000001 [ 1328.691368][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.691409][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.691440][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.691467][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.691505][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.691557][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.691582][ T32] r4:84e5a440 [ 1328.691628][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.691694][ T32] INFO: task kworker/1:309:4173 blocked for more than 455 seconds. [ 1328.691752][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.691781][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.691825][ T32] task:kworker/1:309 state:D stack:0 pid:4173 tgid:4173 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.691919][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.691992][ T32] Call trace: [ 1328.692075][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.692153][ T32] r10:8291880c r9:eaccdd84 r8:00000002 r7:60000013 r6:eaccdd8c r5:850b0c00 [ 1328.692199][ T32] r4:850b0c00 [ 1328.692222][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.692263][ T32] r5:850b0c00 r4:82918808 [ 1328.692283][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.692330][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.692377][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaccde08 [ 1328.692457][ T32] r4:00000000 [ 1328.692503][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.692562][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.692624][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.692671][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851e1800 [ 1328.692703][ T32] r4:00000000 [ 1328.692735][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.692794][ T32] r9:83018205 r8:850b0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f101000 [ 1328.692838][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.692882][ T32] r5:00001000 r4:eaccf000 [ 1328.692901][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.692961][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.693006][ T32] r5:85123b8c r4:85123800 [ 1328.693025][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.693074][ T32] r7:ddde2d80 r6:83018200 r5:85123b8c r4:851dba80 [ 1328.693095][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.693160][ T32] r10:61c88647 r9:850b0c00 r8:851dbaac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.693185][ T32] r4:851dba80 [ 1328.693225][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.693293][ T32] r10:00000000 r9:851dba80 r8:8027f5e8 r7:eacc1e60 r6:851dbb00 r5:850b0c00 [ 1328.693319][ T32] r4:00000001 [ 1328.693338][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.693374][ T32] Exception stack(0xeaccdfb0 to 0xeaccdff8) [ 1328.693415][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.693509][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.693540][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.693568][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.693589][ T32] r4:851e1500 [ 1328.694148][ T32] INFO: task kworker/1:309:4173 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.694186][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.694312][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.694361][ T32] Call trace: [ 1328.694391][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.694439][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.694461][ T32] r4:00000000 [ 1328.694480][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.694516][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.694568][ T32] dd20: e0e42000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.694600][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 3 printk messages dropped ** [ 1328.694737][ T32] r4:82ac11a4 ** 9 printk messages dropped ** [ 1328.695089][ T32] r5:00001000 r4:e47a2000 ** 6 printk messages dropped ** [ 1328.695386][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 13 printk messages dropped ** [ 1328.695849][ T32] Not tainted 6.15.0-syzkaller #0 ** 8 printk messages dropped ** [ 1328.696217][ T32] r5:8519a400 r4:82918808 ** 10 printk messages dropped ** [ 1328.696648][ T32] r9:83018205 r8:8519a400 r7:00000000 r6:83018200 r5:00001000 r4:7f105000 ** 5 printk messages dropped ** [ 1328.696904][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 12 printk messages dropped ** [ 1328.697367][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 15 printk messages dropped ** [ 1328.698365][ T32] r4:82ac11a4 ** 1 printk messages dropped ** [ 1328.698481][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.698525][ T32] r4:e883ddc0 [ 1328.698547][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.698612][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.698637][ T32] r4:00000000 [ 1328.698657][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.698701][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.698743][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.698790][ T32] r5:00001000 r4:e47a2000 [ 1328.698832][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.698896][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.698963][ T32] r5:84fe978c r4:84fe9400 [ 1328.698987][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.699060][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.699085][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.699155][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.699180][ T32] r4:8454d880 [ 1328.699199][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.699242][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 4 printk messages dropped ** [ 1328.699397][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 12 printk messages dropped ** [ 1328.730488][ T32] r4:8519bc00 ** 10 printk messages dropped ** [ 1328.730948][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1328.731083][ T32] r5:00001000 r4:eacf7000 ** 3 printk messages dropped ** [ 1328.731223][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 14 printk messages dropped ** [ 1328.732248][ T32] INFO: task kworker/1:311:4177 is blocked on a mutex likely owned by task kworker/1:172:3871. ** 19 printk messages dropped ** [ 1328.733075][ T32] r4:00000000 ** 10 printk messages dropped ** [ 1328.733518][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 13 printk messages dropped ** [ 1328.734024][ T32] Not tainted 6.15.0-syzkaller #0 ** 9 printk messages dropped ** [ 1328.734529][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1328.734980][ T32] r5:00001000 r4:ead13000 ** 7 printk messages dropped ** [ 1328.735336][ T32] r4:851dbc80 ** 8 printk messages dropped ** [ 1328.735611][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 15 printk messages dropped ** [ 1328.736532][ T32] r4:82ac11a4 ** 10 printk messages dropped ** [ 1328.736911][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 16 printk messages dropped ** [ 1328.737552][ T32] r4:84e5a440 ** 5 printk messages dropped ** [ 1328.737781][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.737835][ T32] Call trace: [ 1328.737886][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.737937][ T32] r10:8291880c r9:eace5d84 r8:00000002 r7:60000113 r6:eace5d8c r5:850b2400 [ 1328.737987][ T32] r4:850b2400 [ 1328.738009][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.738053][ T32] r5:850b2400 r4:82918808 [ 1328.738073][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.738108][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.738150][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eace5e08 [ 1328.738172][ T32] r4:00000000 [ 1328.738220][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.738308][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.738372][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.738420][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851e1d00 [ 1328.738445][ T32] r4:00000000 [ 1328.738464][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.738525][ T32] r9:83018205 r8:850b2400 r7:00000000 r6:83018200 r5:00001000 r4:7f109000 [ 1328.738550][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.738591][ T32] r5:00001000 r4:ead07000 [ 1328.738620][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.738671][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.738741][ T32] r5:8512cb8c r4:8512c800 [ 1328.738784][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.738830][ T32] r7:ddde2d80 r6:83018200 r5:8512cb8c r4:851dbd80 [ 1328.738864][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.738910][ T32] r10:61c88647 r9:850b2400 r8:851dbdac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.738934][ T32] r4:851dbd80 [ 1328.738978][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.739024][ T32] r10:00000000 r9:851dbd80 r8:8027f5e8 r7:eacd9e60 r6:851dbe00 r5:850b2400 [ 1328.739072][ T32] r4:00000001 [ 1328.739096][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.739132][ T32] Exception stack(0xeace5fb0 to 0xeace5ff8) [ 1328.739159][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.739209][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.739239][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.739267][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.739289][ T32] r4:851e1a00 [ 1328.739591][ T32] INFO: task kworker/1:313:4180 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.739623][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.739714][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.756833][ T32] Call trace: [ 1328.756911][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.756986][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.757056][ T32] r4:00000000 [ 1328.757083][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 6 printk messages dropped ** [ 1328.757364][ T32] r4:82ac11a4 ** 10 printk messages dropped ** [ 1328.757848][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 14 printk messages dropped ** [ 1328.758529][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.758557][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.758578][ T32] r4:84e5a440 [ 1328.758601][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.758629][ T32] INFO: task kworker/1:314:4183 blocked for more than 455 seconds. [ 1328.758662][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.758686][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.758709][ T32] task:kworker/1:314 state:D stack:0 pid:4183 tgid:4183 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.758760][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.758799][ T32] Call trace: [ 1328.758828][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.758874][ T32] r10:8291880c r9:ead05d84 r8:00000002 r7:60000113 r6:ead05d8c r5:850b3000 [ 1328.758917][ T32] r4:850b3000 [ 1328.758940][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.758980][ T32] r5:850b3000 r4:82918808 [ 1328.759020][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.759088][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1328.759271][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1328.759564][ T32] r5:00001000 r4:ead1b000 ** 6 printk messages dropped ** [ 1328.772321][ T32] r10:61c88647 r9:850b3000 r8:851dbeac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 16 printk messages dropped ** [ 1328.773546][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 18 printk messages dropped ** [ 1328.774341][ T32] r5:00001000 r4:e47a2000 ** 10 printk messages dropped ** [ 1328.774813][ T32] r4:00000001 ** 11 printk messages dropped ** [ 1328.775207][ T32] task:kworker/1:315 state:D stack:0 pid:4185 tgid:4185 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 19 printk messages dropped ** [ 1328.775970][ T32] r5:00001000 r4:ead2d000 ** 3 printk messages dropped ** [ 1328.776104][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 16 printk messages dropped ** [ 1328.776964][ T32] Workqueue: events bpf_prog_free_deferred ** 11 printk messages dropped ** [ 1328.777399][ T32] r4:82ac11a4 ** 8 printk messages dropped ** [ 1328.777666][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 16 printk messages dropped ** [ 1328.778323][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1328.778701][ T32] r10:8291880c r9:ead39d84 r8:00000002 r7:60000113 r6:ead39d8c r5:850b6000 [ 1328.778733][ T32] r4:850b6000 [ 1328.778776][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.778819][ T32] r5:850b6000 r4:82918808 [ 1328.778860][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.778899][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.778941][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead39e08 [ 1328.778962][ T32] r4:00000000 [ 1328.778981][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.779014][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.779075][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.779136][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f0440 [ 1328.779161][ T32] r4:00000000 [ 1328.779200][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.779261][ T32] r9:83018205 r8:850b6000 r7:00000000 r6:83018200 r5:00001000 r4:7f111000 [ 1328.779295][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.779336][ T32] r5:00001000 r4:ead35000 [ 1328.779355][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.779392][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.779432][ T32] r5:8512db8c r4:8512d800 [ 1328.779451][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.779493][ T32] r7:ddde2d80 r6:83018200 r5:8512db8c r4:851f2080 [ 1328.779514][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.779567][ T32] r10:61c88647 r9:850b6000 r8:851f20ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.779597][ T32] r4:851f2080 [ 1328.779616][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.779659][ T32] r10:00000000 r9:851f2080 r8:8027f5e8 r7:ead11e60 r6:851f2100 r5:850b6000 [ 1328.779709][ T32] r4:00000001 [ 1328.779752][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.801779][ T32] Exception stack(0xead39fb0 to 0xead39ff8) [ 1328.801844][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1328.801875][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.801959][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.802029][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.802084][ T32] r4:851f0100 [ 1328.802603][ T32] INFO: task kworker/1:316:4187 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.802664][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.802758][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.802868][ T32] Call trace: [ 1328.802922][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.802981][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.803005][ T32] r4:00000000 [ 1328.803049][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.803114][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.803147][ T32] dd20: e21e7000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.803197][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.803245][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.803275][ T32] r5:80070013 r4:80239bb0 [ 1328.803316][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.803389][ T32] r4:82ac11a4 [ 1328.803414][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.803477][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.803508][ T32] r4:e883ddc0 [ 1328.803528][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1328.803606][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1328.803834][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1328.804325][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 7 printk messages dropped ** [ 1328.804650][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1328.804948][ T32] r4:850b6c00 ** 3 printk messages dropped ** [ 1328.805136][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1328.805552][ T32] r5:00001000 r4:ead41000 [ 1328.805573][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1328.805679][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1328.806106][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1328.806803][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1328.807180][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1328.807446][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1328.807821][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1328.808153][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.808180][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.808222][ T32] r4:84e5a440 [ 1328.808289][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1328.808318][ T32] INFO: task kworker/1:318:4191 blocked for more than 455 seconds. [ 1328.808345][ T32] Not tainted 6.15.0-syzkaller #0 [ 1328.808395][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1328.808419][ T32] task:kworker/1:318 state:D stack:0 pid:4191 tgid:4191 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.808507][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.808594][ T32] Call trace: [ 1328.808649][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.808720][ T32] r10:8291880c r9:ead51d84 r8:00000002 r7:60000013 r6:ead51d8c r5:8519b000 [ 1328.808748][ T32] r4:8519b000 [ 1328.808796][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.808839][ T32] r5:8519b000 r4:82918808 [ 1328.808858][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.808914][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.808959][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead51e08 [ 1328.808981][ T32] r4:00000000 [ 1328.808999][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.809053][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.809095][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.809163][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f0740 [ 1328.809189][ T32] r4:00000000 [ 1328.809210][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.809254][ T32] r9:83018205 r8:8519b000 r7:00000000 r6:83018200 r5:00001000 r4:7f115000 [ 1328.809275][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.809324][ T32] r5:00001000 r4:ead4d000 [ 1328.809346][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.809406][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.809449][ T32] r5:8512e38c r4:8512e000 [ 1328.809468][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.809533][ T32] r7:ddde2d80 r6:83018200 r5:8512e38c r4:851f2280 [ 1328.809557][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.809604][ T32] r10:61c88647 r9:8519b000 r8:851f22ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.809627][ T32] r4:851f2280 [ 1328.809645][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.809687][ T32] r10:00000000 r9:851f2280 r8:8027f5e8 r7:ead45e60 r6:850f0d80 r5:8519b000 [ 1328.809732][ T32] r4:00000001 [ 1328.832774][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.832876][ T32] Exception stack(0xead51fb0 to 0xead51ff8) ** 7 printk messages dropped ** [ 1328.833732][ T32] Workqueue: events bpf_prog_free_deferred ** 11 printk messages dropped ** [ 1328.834366][ T32] r4:82ac11a4 ** 10 printk messages dropped ** [ 1328.834723][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 15 printk messages dropped ** [ 1328.835260][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 16 printk messages dropped ** [ 1328.835994][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1328.836309][ T32] r5:00001000 r4:dfa03000 ** 2 printk messages dropped ** [ 1328.836436][ T32] r5:8512ef8c r4:8512ec00 ** 9 printk messages dropped ** [ 1328.836780][ T32] Exception stack(0xead5dfb0 to 0xead5dff8) ** 10 printk messages dropped ** [ 1328.837559][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 15 printk messages dropped ** [ 1328.838081][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 15 printk messages dropped ** [ 1328.838704][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 10 printk messages dropped ** [ 1328.839032][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.839096][ T32] Call trace: [ 1328.839130][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.839202][ T32] r10:8291880c r9:ead69d84 r8:00000002 r7:60000113 r6:ead69d8c r5:850b5400 [ 1328.839230][ T32] r4:850b5400 [ 1328.839249][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.839289][ T32] r5:850b5400 r4:82918808 [ 1328.839309][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.839345][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.839386][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead69e08 [ 1328.839408][ T32] r4:00000000 [ 1328.839426][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.839478][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.839518][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.839561][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f0e00 [ 1328.839583][ T32] r4:00000000 [ 1328.839622][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.839669][ T32] r9:83018205 r8:850b5400 r7:00000000 r6:83018200 r5:00001000 r4:7f00b000 [ 1328.839692][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.853932][ T32] r5:00001000 r4:df957000 [ 1328.853977][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 7 printk messages dropped ** [ 1328.854342][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1328.854638][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.854670][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.854694][ T32] r4:851f0100 [ 1328.855174][ T32] INFO: task kworker/1:320:4194 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.855210][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.855277][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.855324][ T32] Call trace: [ 1328.855421][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.855477][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.855500][ T32] r4:00000000 [ 1328.855546][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.855588][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.855615][ T32] dd20: e29f4000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.855644][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.855668][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.855691][ T32] r5:80070013 r4:80239bb0 [ 1328.855737][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.855787][ T32] r4:82ac11a4 [ 1328.855807][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 1 printk messages dropped ** [ 1328.855877][ T32] r4:e883ddc0 ** 5 printk messages dropped ** [ 1328.856049][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1328.856348][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1328.856615][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1328.856917][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1328.857267][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead85e08 ** 8 printk messages dropped ** [ 1328.857608][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.857647][ T32] r5:00001000 r4:ead75000 [ 1328.857696][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1328.857828][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1328.858102][ T32] Exception stack(0xead85fb0 to 0xead85ff8) ** 5 printk messages dropped ** [ 1328.858695][ T32] INFO: task kworker/0:218:4197 is blocked on a mutex likely owned by task kworker/1:172:3871. ** 10 printk messages dropped ** [ 1328.859131][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1328.859387][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1328.884223][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1328.884945][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1328.885403][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1328.885892][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1328.887028][ T32] r5:00001000 r4:dfa99000 [ 1328.887085][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.887174][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.887265][ T32] r5:8454a78c r4:8454a400 [ 1328.887387][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.887487][ T32] r7:dddced80 r6:83018000 r5:8454a78c r4:850f0f00 [ 1328.887535][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.887628][ T32] r10:61c88647 r9:850ba400 r8:850f0f2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1328.887676][ T32] r4:850f0f00 [ 1328.887718][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.887810][ T32] r10:00000000 r9:850f0f00 r8:8027f5e8 r7:ead85e60 r6:851f2500 r5:850ba400 [ 1328.887859][ T32] r4:00000001 [ 1328.887903][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.888023][ T32] Exception stack(0xead95fb0 to 0xead95ff8) [ 1328.888096][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.888178][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.888282][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.888352][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.888403][ T32] r4:851dde80 [ 1328.889323][ T32] INFO: task kworker/0:219:4198 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.889397][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.889580][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.889675][ T32] Call trace: [ 1328.900252][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.900471][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.900525][ T32] r4:00000000 [ 1328.900568][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.900653][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.900722][ T32] dd20: e2dc8000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.900785][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.900839][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.900914][ T32] r5:80070013 r4:80239bb0 [ 1328.900967][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.901071][ T32] r4:82ac11a4 [ 1328.901115][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.901212][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.901265][ T32] r4:e883ddc0 [ 1328.901323][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.901422][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.901550][ T32] r4:00000000 [ 1328.901602][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.901705][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1328.901758][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.901852][ T32] r5:00001000 r4:e47a2000 [ 1328.901895][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.901990][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.902091][ T32] r5:84fe978c r4:84fe9400 [ 1328.902137][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.902268][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1328.902318][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.902416][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.902464][ T32] r4:8454d880 [ 1328.902508][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.902604][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1328.902659][ T32] r4:00000001 [ 1328.902707][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.902785][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1328.902840][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1328.902902][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.902965][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1328.903739][ T32] Workqueue: events bpf_prog_free_deferred ** 11 printk messages dropped ** [ 1328.904583][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1328.905473][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 12 printk messages dropped ** [ 1328.906430][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 17 printk messages dropped ** [ 1328.908699][ T32] r4:82ac11a4 ** 9 printk messages dropped ** [ 1328.909445][ T32] r5:00001000 r4:e47a2000 ** 10 printk messages dropped ** [ 1328.940642][ T32] r4:00000001 ** 9 printk messages dropped ** [ 1328.940963][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1328.941095][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.941177][ T32] Call trace: [ 1328.941238][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1328.941325][ T32] r10:8291880c r9:ea981d84 r8:00000002 r7:60000113 r6:ea981d8c r5:850bbc00 [ 1328.941354][ T32] r4:850bbc00 [ 1328.941375][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.941416][ T32] r5:850bbc00 r4:82918808 [ 1328.941437][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.941474][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.941542][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea981e08 [ 1328.941568][ T32] r4:00000000 [ 1328.941615][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.941659][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.941726][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.941775][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f0f00 [ 1328.941798][ T32] r4:00000000 [ 1328.941839][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.941915][ T32] r9:83018205 r8:850bbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f029000 [ 1328.941942][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.941987][ T32] r5:00001000 r4:df9e3000 [ 1328.942007][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.942054][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.942095][ T32] r5:8512eb8c r4:8512e800 [ 1328.942116][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.942165][ T32] r7:ddde2d80 r6:83018200 r5:8512eb8c r4:851f2600 [ 1328.942219][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.942290][ T32] r10:61c88647 r9:850bbc00 r8:851f262c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.942332][ T32] r4:851f2600 [ 1328.942356][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.942402][ T32] r10:00000000 r9:851f2600 r8:8027f5e8 r7:ead5de60 r6:851f2680 r5:850bbc00 [ 1328.942425][ T32] r4:00000001 [ 1328.942457][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.942502][ T32] Exception stack(0xea981fb0 to 0xea981ff8) [ 1328.942530][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1328.942558][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1328.942654][ T32] r4:851f0d80 ** 8 printk messages dropped ** [ 1328.943776][ T32] Exception stack(0xe883dd28 to 0xe883dd70) ** 13 printk messages dropped ** [ 1328.944226][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 17 printk messages dropped ** [ 1328.944872][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 13 printk messages dropped ** [ 1328.945332][ T32] r5:850bb000 r4:82918808 ** 10 printk messages dropped ** [ 1328.945745][ T32] r9:83018205 r8:850bb000 r7:00000000 r6:83018200 r5:00001000 r4:7f02d000 ** 6 printk messages dropped ** [ 1328.945971][ T32] r7:ddde2d80 r6:83018200 r5:8512f38c r4:851f2700 ** 13 printk messages dropped ** [ 1328.946738][ T32] INFO: task kworker/1:322:4204 is blocked on a mutex likely owned by task kworker/1:172:3871. ** 15 printk messages dropped ** [ 1328.947381][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 17 printk messages dropped ** [ 1328.948308][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 ** 16 printk messages dropped ** [ 1328.948966][ T32] r10:8291880c r9:ead89d84 r8:00000002 r7:60000113 r6:ead89d8c r5:850bc800 [ 1328.948993][ T32] r4:850bc800 [ 1328.949085][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1328.949130][ T32] r5:850bc800 r4:82918808 [ 1328.949150][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1328.949195][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1328.949243][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead89e08 [ 1328.949266][ T32] r4:00000000 [ 1328.949351][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1328.949390][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1328.949427][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.949471][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851ed3c0 [ 1328.949492][ T32] r4:00000000 [ 1328.949512][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1328.949555][ T32] r9:83018205 r8:850bc800 r7:00000000 r6:83018200 r5:00001000 r4:7f02f000 [ 1328.949576][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1328.949616][ T32] r5:00001000 r4:dfcb7000 [ 1328.949636][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1328.949674][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1328.949715][ T32] r5:8512f78c r4:8512f400 [ 1328.974158][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.974388][ T32] r7:ddde2d80 r6:83018200 r5:8512f78c r4:851f2800 [ 1328.974421][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.974501][ T32] r10:61c88647 r9:850bc800 r8:851f282c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.974623][ T32] r4:851f2800 [ 1328.974648][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.974774][ T32] r10:00000000 r9:851f2800 r8:8027f5e8 r7:ea9d1e60 r6:851f2880 r5:850bc800 [ 1328.974825][ T32] r4:00000001 [ 1328.974851][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.974916][ T32] Exception stack(0xead89fb0 to 0xead89ff8) ** 6 printk messages dropped ** [ 1328.975598][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 25 printk messages dropped ** [ 1328.976733][ T32] r5:84fe978c r4:84fe9400 ** 9 printk messages dropped ** [ 1328.977185][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 10 printk messages dropped ** [ 1328.977612][ T32] Workqueue: events bpf_prog_free_deferred ** 14 printk messages dropped ** [ 1328.978281][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1328.978426][ T32] r5:00001000 r4:dfd07000 ** 6 printk messages dropped ** [ 1328.978698][ T32] r10:61c88647 r9:850bd400 r8:851f292c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 16 printk messages dropped ** [ 1328.979675][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 15 printk messages dropped ** [ 1328.994851][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 13 printk messages dropped ** [ 1328.995398][ T32] r4:00000001 ** 9 printk messages dropped ** [ 1328.995805][ T32] Not tainted 6.15.0-syzkaller #0 ** 12 printk messages dropped ** [ 1328.996384][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1328.996762][ T32] r5:00001000 r4:dfd51000 ** 2 printk messages dropped ** [ 1328.996925][ T32] r5:8512ff8c r4:8512fc00 [ 1328.996987][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1328.997064][ T32] r7:ddde2d80 r6:83018200 r5:8512ff8c r4:851f2a00 [ 1328.997116][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1328.997217][ T32] r10:61c88647 r9:850be000 r8:851f2a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1328.997243][ T32] r4:851f2a00 [ 1328.997313][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1328.997389][ T32] r10:00000000 r9:851f2a00 r8:8027f5e8 r7:eaa1de60 r6:851f2a80 r5:850be000 [ 1328.997416][ T32] r4:00000001 [ 1328.997462][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1328.997502][ T32] Exception stack(0xead25fb0 to 0xead25ff8) [ 1328.997529][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1328.997557][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1328.997585][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1328.997614][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1328.997662][ T32] r4:851ed240 [ 1328.998165][ T32] INFO: task kworker/1:325:4211 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1328.998226][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1328.998312][ T32] Workqueue: events bpf_prog_free_deferred [ 1328.998360][ T32] Call trace: [ 1328.998390][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1328.998505][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1328.998533][ T32] r4:00000000 [ 1328.998553][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1328.998590][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1328.998669][ T32] dd20: e395e000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1328.998703][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1328.998728][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1328.998751][ T32] r5:80070013 r4:80239bb0 [ 1328.998782][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1328.998830][ T32] r4:82ac11a4 [ 1328.998850][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1328.998896][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1328.998924][ T32] r4:e883ddc0 [ 1328.998945][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1328.999045][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1328.999091][ T32] r4:00000000 [ 1328.999142][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 1 printk messages dropped ** [ 1328.999211][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 16 printk messages dropped ** [ 1329.012494][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1329.013054][ T32] r10:8291880c r9:eaa21d84 r8:00000002 r7:60000013 r6:eaa21d8c r5:850bec00 ** 15 printk messages dropped ** [ 1329.013641][ T32] r5:00001000 r4:dfda3000 [ 1329.013665][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1329.013977][ T32] r4:851f2b00 ** 9 printk messages dropped ** [ 1329.014333][ T32] r4:851ed5c0 ** 8 printk messages dropped ** [ 1329.015457][ T32] Exception stack(0xe883dd28 to 0xe883dd70) ** 13 printk messages dropped ** [ 1329.016095][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 12 printk messages dropped ** [ 1329.016685][ T32] r4:00000001 ** 11 printk messages dropped ** [ 1329.017261][ T32] task:kworker/1:327 state:D stack:0 pid:4215 tgid:4215 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 17 printk messages dropped ** [ 1329.018177][ T32] r9:83018205 r8:850b9800 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 ** 6 printk messages dropped ** [ 1329.018637][ T32] r7:ddde2d80 r6:83018200 r5:85138b8c r4:851f2c00 [ 1329.018658][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.018702][ T32] r10:61c88647 r9:850b9800 r8:851f2c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.018727][ T32] r4:851f2c00 [ 1329.018746][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.018791][ T32] r10:00000000 r9:851f2c00 r8:8027f5e8 r7:eaa21e60 r6:851f2c80 r5:850b9800 [ 1329.018813][ T32] r4:00000001 [ 1329.018837][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.018875][ T32] Exception stack(0xeaa41fb0 to 0xeaa41ff8) [ 1329.018902][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.018930][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.018984][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.019076][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.019104][ T32] r4:851ed640 [ 1329.019440][ T32] INFO: task kworker/1:327:4215 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.019500][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.019568][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.019612][ T32] Call trace: [ 1329.019676][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.019756][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.019858][ T32] r4:00000000 [ 1329.042988][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.043114][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.043173][ T32] dd20: e41ff000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.043237][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.043268][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.043296][ T32] r5:80070013 r4:80239bb0 [ 1329.043326][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.043379][ T32] r4:82ac11a4 [ 1329.043400][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.043454][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.043485][ T32] r4:e883ddc0 [ 1329.043529][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.043583][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.043606][ T32] r4:00000000 [ 1329.043664][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.043722][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.043745][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.043843][ T32] r5:00001000 r4:e47a2000 [ 1329.043869][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.043910][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.043952][ T32] r5:84fe978c r4:84fe9400 [ 1329.043974][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.044019][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.044048][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.044094][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.044116][ T32] r4:8454d880 [ 1329.044135][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.044177][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.044227][ T32] r4:00000001 [ 1329.044251][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.044288][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.044315][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.044343][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.044369][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.044399][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.044422][ T32] r4:84e5a440 ** 1 printk messages dropped ** [ 1329.044475][ T32] INFO: task kworker/1:328:4217 blocked for more than 455 seconds. ** 11 printk messages dropped ** [ 1329.045104][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1329.045511][ T32] r5:00001000 r4:dfdf1000 ** 3 printk messages dropped ** [ 1329.045690][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 15 printk messages dropped ** [ 1329.046725][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1329.047170][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.047196][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.047220][ T32] r5:80070013 r4:80239bb0 [ 1329.047241][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.047284][ T32] r4:82ac11a4 [ 1329.047305][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.047403][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.047431][ T32] r4:e883ddc0 [ 1329.047450][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.047493][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.047539][ T32] r4:00000000 [ 1329.047563][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.047607][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.047629][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.047669][ T32] r5:00001000 r4:e47a2000 [ 1329.047689][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.047754][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.047799][ T32] r5:84fe978c r4:84fe9400 [ 1329.047834][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.047884][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.047906][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.047949][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.048022][ T32] r4:8454d880 [ 1329.048064][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.048128][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.048156][ T32] r4:00000001 [ 1329.048188][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.048244][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.048298][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.048330][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.048408][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.048441][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.048463][ T32] r4:84e5a440 [ 1329.048484][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.048514][ T32] INFO: task kworker/1:329:4219 blocked for more than 455 seconds. [ 1329.048544][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.048568][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1329.048632][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1329.049138][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa51e08 ** 8 printk messages dropped ** [ 1329.049565][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.049605][ T32] r5:00001000 r4:dff8d000 ** 1 printk messages dropped ** [ 1329.049679][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1329.073285][ T32] r10:00000000 r9:851f2e00 r8:8027f5e8 r7:eaa41e60 r6:851f2e80 r5:850c0000 ** 10 printk messages dropped ** [ 1329.074181][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1329.074681][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 9 printk messages dropped ** [ 1329.075132][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1329.075650][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1329.076068][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1329.076254][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1329.076346][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1329.076628][ T32] r5:850c0c00 r4:82918808 ** 2 printk messages dropped ** [ 1329.076801][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa61e08 ** 4 printk messages dropped ** [ 1329.077141][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851ede40 ** 4 printk messages dropped ** [ 1329.077374][ T32] r5:00001000 r4:dffd5000 [ 1329.077396][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.077435][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1329.077721][ T32] r10:61c88647 r9:850c0c00 r8:851f2f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1329.077872][ T32] r4:00000001 [ 1329.077891][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.078004][ T32] Exception stack(0xeaa61fb0 to 0xeaa61ff8) [ 1329.078039][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.078090][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.078121][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.078150][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.078172][ T32] r4:851edb80 [ 1329.078532][ T32] INFO: task kworker/1:330:4222 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.078634][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.078724][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.078772][ T32] Call trace: [ 1329.078827][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.078880][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.078904][ T32] r4:00000000 [ 1329.078923][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.078976][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.079008][ T32] dd20: e4617000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.079067][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.079097][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.079134][ T32] r5:80070013 r4:80239bb0 [ 1329.079158][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.079205][ T32] r4:82ac11a4 [ 1329.079250][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.079301][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.079323][ T32] r4:e883ddc0 [ 1329.079342][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.079411][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.079464][ T32] r4:00000000 [ 1329.079488][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.079532][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.079554][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.079595][ T32] r5:00001000 r4:e47a2000 [ 1329.079614][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.079653][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.079720][ T32] r5:84fe978c r4:84fe9400 [ 1329.086999][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.087205][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.087240][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.087340][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.087368][ T32] r4:8454d880 [ 1329.087391][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.087464][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.087491][ T32] r4:00000001 [ 1329.087513][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.087553][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.087608][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.087641][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.087686][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.087718][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.087841][ T32] r4:84e5a440 [ 1329.087876][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 4 printk messages dropped ** [ 1329.088102][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1329.088444][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1329.088902][ T32] r5:00001000 r4:e007b000 [ 1329.088922][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.088986][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1329.089162][ T32] r7:ddde2d80 r6:83018200 r5:85139b8c r4:851fd000 ** 5 printk messages dropped ** [ 1329.089371][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1329.089480][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.089506][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.089535][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.089556][ T32] r4:851edcc0 [ 1329.106947][ T32] INFO: task kworker/1:331:4224 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.107087][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.107210][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.107273][ T32] Call trace: [ 1329.107308][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.107366][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.107390][ T32] r4:00000000 [ 1329.107410][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.107465][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.107499][ T32] dd20: e4c6f000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.107530][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.107581][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.107634][ T32] r5:80070013 r4:80239bb0 [ 1329.107659][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.107706][ T32] r4:82ac11a4 [ 1329.107731][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.107779][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.107815][ T32] r4:e883ddc0 [ 1329.107839][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.107883][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.107905][ T32] r4:00000000 [ 1329.107925][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.107990][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.108014][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.108060][ T32] r5:00001000 r4:e47a2000 [ 1329.108080][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.108147][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.108221][ T32] r5:84fe978c r4:84fe9400 [ 1329.108245][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.108292][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.108312][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.108356][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.108379][ T32] r4:8454d880 [ 1329.108400][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.108455][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.108477][ T32] r4:00000001 [ 1329.108496][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.108531][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.108557][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.108585][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.108612][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.108641][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.108664][ T32] r4:84e5a440 [ 1329.108686][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.108717][ T32] INFO: task kworker/1:332:4226 blocked for more than 455 seconds. [ 1329.108751][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.108775][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.108835][ T32] task:kworker/1:332 state:D stack:0 pid:4226 tgid:4226 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.108916][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.108972][ T32] Call trace: [ 1329.109007][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 1 printk messages dropped ** [ 1329.109102][ T32] r4:850c2400 ** 4 printk messages dropped ** [ 1329.109289][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaaa1e08 ** 8 printk messages dropped ** [ 1329.109634][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.109676][ T32] r5:00001000 r4:e005b000 [ 1329.109699][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1329.116481][ T32] r7:ddde2d80 r6:83018200 r5:8513978c r4:851fd100 ** 4 printk messages dropped ** [ 1329.116677][ T32] r10:00000000 r9:851fd100 r8:8027f5e8 r7:eaa89e60 r6:851fd180 r5:850c2400 ** 10 printk messages dropped ** [ 1329.117751][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1329.117941][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1329.118178][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1329.118669][ T32] r5:00001000 r4:e47a2000 [ 1329.118689][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.118779][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.118829][ T32] r5:84fe978c r4:84fe9400 [ 1329.118852][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.118899][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.118919][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.118964][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.118987][ T32] r4:8454d880 [ 1329.119005][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.119053][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.119075][ T32] r4:00000001 [ 1329.119094][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.119129][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.119155][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.119183][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.119211][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.119240][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.119262][ T32] r4:84e5a440 [ 1329.119282][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.119333][ T32] INFO: task kworker/1:333:4228 blocked for more than 455 seconds. [ 1329.119380][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.119406][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.119430][ T32] task:kworker/1:333 state:D stack:0 pid:4228 tgid:4228 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.119515][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.119561][ T32] Call trace: [ 1329.119591][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.119637][ T32] r10:8291880c r9:eaac5d84 r8:00000002 r7:60000013 r6:eaac5d8c r5:850c3000 [ 1329.119660][ T32] r4:850c3000 [ 1329.119681][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.119719][ T32] r5:850c3000 r4:82918808 [ 1329.119789][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.130468][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.130562][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaac5e08 [ 1329.130614][ T32] r4:00000000 [ 1329.130664][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.130706][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.130808][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.130883][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85204040 [ 1329.130909][ T32] r4:00000000 [ 1329.130931][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.131004][ T32] r9:83018205 r8:850c3000 r7:00000000 r6:83018200 r5:00001000 r4:7f073000 [ 1329.131070][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.131172][ T32] r5:00001000 r4:e03d1000 [ 1329.131197][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.131255][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.131304][ T32] r5:8513a38c r4:8513a000 [ 1329.131363][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.131441][ T32] r7:ddde2d80 r6:83018200 r5:8513a38c r4:851fd200 [ 1329.131466][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.131512][ T32] r10:61c88647 r9:850c3000 r8:851fd22c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.131561][ T32] r4:851fd200 [ 1329.131586][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.131637][ T32] r10:00000000 r9:851fd200 r8:8027f5e8 r7:eaa89e60 r6:851fd280 r5:850c3000 [ 1329.131660][ T32] r4:00000001 [ 1329.131680][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.131718][ T32] Exception stack(0xeaac5fb0 to 0xeaac5ff8) [ 1329.131747][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.131775][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.131803][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.131832][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.131853][ T32] r4:85204080 [ 1329.132358][ T32] INFO: task kworker/1:333:4228 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.132397][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.132468][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.132544][ T32] Call trace: [ 1329.132577][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.132627][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.132654][ T32] r4:00000000 [ 1329.132676][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.132714][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.132742][ T32] dd20: e4f6e000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.132770][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 3 printk messages dropped ** [ 1329.133004][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1329.133252][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1329.133601][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1329.133927][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1329.134278][ T32] task:kworker/1:334 state:D stack:0 pid:4229 tgid:4229 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1329.134811][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1329.135124][ T32] r5:00001000 r4:e03b1000 [ 1329.135154][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1329.135281][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1329.135570][ T32] Exception stack(0xeaa71fb0 to 0xeaa71ff8) ** 4 printk messages dropped ** [ 1329.135709][ T32] r4:85204080 ** 5 printk messages dropped ** [ 1329.136316][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1329.136598][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1329.136766][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 7 printk messages dropped ** [ 1329.137044][ T32] r5:84fe978c r4:84fe9400 [ 1329.137066][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.137112][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.137132][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.137177][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.137201][ T32] r4:8454d880 [ 1329.137220][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.137280][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.137307][ T32] r4:00000001 [ 1329.137326][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.137362][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.137388][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.137416][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.137467][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.137501][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.137542][ T32] r4:84e5a440 [ 1329.137566][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.137592][ T32] INFO: task kworker/1:335:4231 blocked for more than 455 seconds. [ 1329.137623][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.137646][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.137667][ T32] task:kworker/1:335 state:D stack:0 pid:4231 tgid:4231 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.137710][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.137748][ T32] Call trace: [ 1329.137778][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.137824][ T32] r10:8291880c r9:eaaadd84 r8:00000002 r7:60000013 r6:eaaadd8c r5:850c4800 [ 1329.137845][ T32] r4:850c4800 [ 1329.137880][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.137925][ T32] r5:850c4800 r4:82918808 [ 1329.137944][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.137980][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.138020][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaaade08 [ 1329.138049][ T32] r4:00000000 [ 1329.138083][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.138125][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.138166][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.138235][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85204400 [ 1329.138259][ T32] r4:00000000 [ 1329.138278][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.138322][ T32] r9:83018205 r8:850c4800 r7:00000000 r6:83018200 r5:00001000 r4:7f075000 [ 1329.138344][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.138384][ T32] r5:00001000 r4:e048b000 [ 1329.138403][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.138455][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.138501][ T32] r5:8513a78c r4:8513a400 [ 1329.138521][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.138564][ T32] r7:ddde2d80 r6:83018200 r5:8513a78c r4:851fd400 [ 1329.138584][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.138627][ T32] r10:61c88647 r9:850c4800 r8:851fd42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.138672][ T32] r4:851fd400 [ 1329.138695][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.138740][ T32] r10:00000000 r9:851fd400 r8:8027f5e8 r7:eaac5e60 r6:851fd480 r5:850c4800 ** 4 printk messages dropped ** [ 1329.138869][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1329.139510][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 9 printk messages dropped ** [ 1329.161341][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 11 printk messages dropped ** [ 1329.161959][ T32] r5:84fe978c r4:84fe9400 ** 4 printk messages dropped ** [ 1329.162155][ T32] r4:8454d880 ** 6 printk messages dropped ** [ 1329.162427][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1329.162744][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1329.163072][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1329.163517][ T32] r5:00001000 r4:e055f000 [ 1329.163535][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1329.163707][ T32] r7:ddde2d80 r6:83018200 r5:8513ab8c r4:851fd500 ** 5 printk messages dropped ** [ 1329.164070][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1329.164241][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1329.165083][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1329.165427][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1329.165573][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 10 printk messages dropped ** [ 1329.165939][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1329.166212][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1329.166417][ T32] INFO: task kworker/1:337:4235 blocked for more than 455 seconds. [ 1329.166449][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.166488][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.166513][ T32] task:kworker/1:337 state:D stack:0 pid:4235 tgid:4235 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.166570][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.166612][ T32] Call trace: [ 1329.166642][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.166689][ T32] r10:8291880c r9:eaae1d84 r8:00000002 r7:60000113 r6:eaae1d8c r5:85238000 [ 1329.166718][ T32] r4:85238000 [ 1329.166744][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.166787][ T32] r5:85238000 r4:82918808 [ 1329.166809][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.166864][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.166913][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaae1e08 [ 1329.166935][ T32] r4:00000000 [ 1329.166964][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.167066][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.167134][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.167183][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85204880 [ 1329.167229][ T32] r4:00000000 [ 1329.167253][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.167299][ T32] r9:83018205 r8:85238000 r7:00000000 r6:83018200 r5:00001000 r4:7f079000 [ 1329.167322][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.167362][ T32] r5:00001000 r4:e0583000 [ 1329.167382][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.167431][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.167476][ T32] r5:8513af8c r4:8513ac00 [ 1329.167495][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.167538][ T32] r7:ddde2d80 r6:83018200 r5:8513af8c r4:851fd600 [ 1329.167557][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.167625][ T32] r10:61c88647 r9:85238000 r8:851fd62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.167651][ T32] r4:851fd600 [ 1329.167672][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.167715][ T32] r10:00000000 r9:851fd600 r8:8027f5e8 r7:eaad9e60 r6:851fd680 r5:85238000 [ 1329.167772][ T32] r4:00000001 [ 1329.167798][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.167861][ T32] Exception stack(0xeaae1fb0 to 0xeaae1ff8) [ 1329.167890][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.167919][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.167956][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.168038][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.168066][ T32] r4:85204440 [ 1329.168395][ T32] INFO: task kworker/1:337:4235 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.168427][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.168483][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.168556][ T32] Call trace: [ 1329.168644][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.168693][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.168718][ T32] r4:00000000 [ 1329.168738][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.168774][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.168802][ T32] dd20: e5318000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.168832][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.168857][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.168880][ T32] r5:80070013 r4:80239bb0 [ 1329.168900][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.168943][ T32] r4:82ac11a4 [ 1329.168963][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.169008][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.169060][ T32] r4:e883ddc0 [ 1329.169084][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.169128][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.169166][ T32] r4:00000000 [ 1329.169193][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.169240][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.169261][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.169302][ T32] r5:00001000 r4:e47a2000 [ 1329.169321][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.169359][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.169399][ T32] r5:84fe978c r4:84fe9400 [ 1329.169418][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.169462][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.169483][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.169527][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.169549][ T32] r4:8454d880 [ 1329.169592][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.169663][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.169694][ T32] r4:00000001 [ 1329.169714][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.191741][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.191806][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.191838][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.191864][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.191897][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.191919][ T32] r4:84e5a440 [ 1329.191944][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.191987][ T32] INFO: task kworker/1:338:4237 blocked for more than 455 seconds. [ 1329.192023][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.192057][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1329.192140][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1329.192507][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1329.192860][ T32] r5:00001000 r4:e061d000 [ 1329.192879][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.192919][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1329.193140][ T32] r4:851fd700 ** 6 printk messages dropped ** [ 1329.193334][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1329.194213][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 10 printk messages dropped ** [ 1329.194603][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 10 printk messages dropped ** [ 1329.194938][ T32] r5:84fe978c r4:84fe9400 ** 4 printk messages dropped ** [ 1329.195099][ T32] r4:8454d880 ** 2 printk messages dropped ** [ 1329.195203][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1329.195387][ T32] r4:84e5a440 ** 3 printk messages dropped ** [ 1329.195509][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 7 printk messages dropped ** [ 1329.195855][ T32] r5:8519e000 r4:82918808 [ 1329.195876][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.195912][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.195954][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab09e08 [ 1329.195976][ T32] r4:00000000 [ 1329.195996][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.196031][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.196076][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.196119][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85204980 [ 1329.196143][ T32] r4:00000000 [ 1329.196246][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.196330][ T32] r9:83018205 r8:8519e000 r7:00000000 r6:83018200 r5:00001000 r4:7f07b000 [ 1329.196356][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.196398][ T32] r5:00001000 r4:e059b000 [ 1329.196417][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.196455][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.196495][ T32] r5:8513b38c r4:8513b000 [ 1329.196517][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.196560][ T32] r7:ddde2d80 r6:83018200 r5:8513b38c r4:851fd780 [ 1329.196580][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.196623][ T32] r10:61c88647 r9:8519e000 r8:851fd7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.196668][ T32] r4:851fd780 [ 1329.196691][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.196737][ T32] r10:00000000 r9:851fd780 r8:8027f5e8 r7:eaaf5e60 r6:8520e080 r5:8519e000 [ 1329.196759][ T32] r4:00000001 [ 1329.196798][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.196838][ T32] Exception stack(0xeab09fb0 to 0xeab09ff8) [ 1329.196864][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1329.196892][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.196925][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.196953][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.196975][ T32] r4:85204300 [ 1329.197320][ T32] INFO: task kworker/1:339:4238 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.197354][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.197410][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.197523][ T32] Call trace: [ 1329.197555][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.197644][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.197714][ T32] r4:00000000 [ 1329.197737][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.197775][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.197802][ T32] dd20: e55b4000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.197830][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.197855][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.197878][ T32] r5:80070013 r4:80239bb0 [ 1329.197897][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.197941][ T32] r4:82ac11a4 [ 1329.197961][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 1 printk messages dropped ** [ 1329.198027][ T32] r4:e883ddc0 ** 8 printk messages dropped ** [ 1329.198487][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1329.198818][ T32] r4:8454d880 ** 6 printk messages dropped ** [ 1329.199051][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1329.199381][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1329.199735][ T32] r5:85198000 r4:82918808 ** 5 printk messages dropped ** [ 1329.223090][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1329.223346][ T32] r9:83018205 r8:85198000 r7:00000000 r6:83018200 r5:00001000 r4:7f07f000 [ 1329.223402][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.223509][ T32] r5:00001000 r4:e05f7000 [ 1329.223560][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.223648][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.223738][ T32] r5:8513b78c r4:8513b400 [ 1329.223784][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.223884][ T32] r7:ddde2d80 r6:83018200 r5:8513b78c r4:851fd800 [ 1329.223915][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.223964][ T32] r10:61c88647 r9:85198000 r8:851fd82c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.223987][ T32] r4:851fd800 [ 1329.224006][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.224064][ T32] r10:00000000 r9:851fd800 r8:8027f5e8 r7:eaaf5e60 r6:8520e100 r5:85198000 [ 1329.224088][ T32] r4:00000001 [ 1329.224108][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.224144][ T32] Exception stack(0xeaad5fb0 to 0xeaad5ff8) [ 1329.224175][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.224205][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.224231][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.224259][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.224284][ T32] r4:85204900 [ 1329.224808][ T32] INFO: task kworker/1:340:4242 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.224863][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.224948][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.224997][ T32] Call trace: [ 1329.225066][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.225116][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.225155][ T32] r4:00000000 [ 1329.225179][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.225242][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.225274][ T32] dd20: e5a51000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.225308][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.225334][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.225363][ T32] r5:80070013 r4:80239bb0 [ 1329.225385][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.225455][ T32] r4:82ac11a4 [ 1329.225480][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.225528][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.225606][ T32] r4:e883ddc0 [ 1329.225654][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.225728][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.225753][ T32] r4:00000000 [ 1329.225800][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.226039][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.226066][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.226252][ T32] r5:00001000 r4:e47a2000 [ 1329.226325][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.226377][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.226455][ T32] r5:84fe978c r4:84fe9400 [ 1329.226478][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.226588][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.226616][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.226663][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.226686][ T32] r4:8454d880 [ 1329.226730][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.226799][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.226834][ T32] r4:00000001 [ 1329.226857][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.226896][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.226950][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.227041][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.227076][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.227140][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.227173][ T32] r4:84e5a440 [ 1329.227199][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.227259][ T32] INFO: task kworker/1:341:4243 blocked for more than 455 seconds. [ 1329.227304][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.227333][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.227357][ T32] task:kworker/1:341 state:D stack:0 pid:4243 tgid:4243 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.227407][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.227520][ T32] Call trace: [ 1329.227590][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.227688][ T32] r10:8291880c r9:eab19d84 r8:00000002 r7:60000013 r6:eab19d8c r5:85199800 [ 1329.227738][ T32] r4:85199800 ** 1 printk messages dropped ** [ 1329.227868][ T32] r5:85199800 r4:82918808 ** 5 printk messages dropped ** [ 1329.228347][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1329.228929][ T32] r5:00001000 r4:e47e7000 [ 1329.228973][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1329.229254][ T32] r7:ddde2d80 r6:83018200 r5:85270b8c r4:851fd880 ** 7 printk messages dropped ** [ 1329.229518][ T32] Exception stack(0xeab19fb0 to 0xeab19ff8) ** 4 printk messages dropped ** [ 1329.229695][ T32] r4:85204b00 ** 3 printk messages dropped ** [ 1329.247172][ T32] Call trace: ** 6 printk messages dropped ** [ 1329.247522][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 8 printk messages dropped ** [ 1329.247872][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1329.248407][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1329.248614][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1329.248996][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1329.249271][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1329.249705][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.249747][ T32] r5:00001000 r4:e0773000 ** 2 printk messages dropped ** [ 1329.256356][ T32] r5:8513bf8c r4:8513bc00 ** 4 printk messages dropped ** [ 1329.256582][ T32] r4:851fd900 ** 6 printk messages dropped ** [ 1329.256938][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1329.257825][ T32] Call trace: ** 6 printk messages dropped ** [ 1329.258071][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 4 printk messages dropped ** [ 1329.258284][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.258334][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.258404][ T32] r4:e883ddc0 [ 1329.258457][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.258535][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.258563][ T32] r4:00000000 [ 1329.258590][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.258694][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.258723][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.258768][ T32] r5:00001000 r4:e47a2000 [ 1329.258790][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.258856][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.258920][ T32] r5:84fe978c r4:84fe9400 [ 1329.258945][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.258994][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.259018][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.259074][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.259099][ T32] r4:8454d880 [ 1329.259119][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.259164][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.259188][ T32] r4:00000001 [ 1329.259290][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.259332][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.259359][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.259414][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.259491][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.259612][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.259666][ T32] r4:84e5a440 [ 1329.259696][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.259791][ T32] INFO: task kworker/1:343:4248 blocked for more than 455 seconds. [ 1329.272151][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.272205][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.272230][ T32] task:kworker/1:343 state:D stack:0 pid:4248 tgid:4248 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.272326][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.272390][ T32] Call trace: [ 1329.272450][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.272537][ T32] r10:8291880c r9:eab3dd84 r8:00000002 r7:60000113 r6:eab3dd8c r5:850ae000 [ 1329.272567][ T32] r4:850ae000 [ 1329.272590][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.272631][ T32] r5:850ae000 r4:82918808 [ 1329.272678][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.272721][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.272764][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab3de08 [ 1329.272787][ T32] r4:00000000 [ 1329.272806][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.272839][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.272879][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.272921][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85204300 [ 1329.272955][ T32] r4:00000000 [ 1329.272980][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.273027][ T32] r9:83018205 r8:850ae000 r7:00000000 r6:83018200 r5:00001000 r4:7f085000 [ 1329.273057][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.273099][ T32] r5:00001000 r4:e47b1000 [ 1329.273126][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.273168][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.273209][ T32] r5:8527038c r4:85270000 [ 1329.273254][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1329.273373][ T32] r10:61c88647 r9:850ae000 r8:851fd9ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1329.273674][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1329.274496][ T32] Call trace: ** 5 printk messages dropped ** [ 1329.274700][ T32] dd20: e629e000 edddd000 00000001 80239b98 7fb69000 00000001 ** 9 printk messages dropped ** [ 1329.275130][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1329.275572][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1329.275928][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1329.276326][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1329.276660][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1329.277104][ T32] r5:00001000 r4:e47cf000 [ 1329.277133][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1329.277341][ T32] r7:ddde2d80 r6:83018200 r5:8527078c r4:851fda00 ** 8 printk messages dropped ** [ 1329.277704][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.277732][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.277814][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.277954][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.277980][ T32] r4:8520c080 [ 1329.278338][ T32] INFO: task kworker/1:344:4251 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.278373][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.278487][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.278591][ T32] Call trace: [ 1329.278634][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.278682][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.278706][ T32] r4:00000000 [ 1329.278725][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.278761][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.278789][ T32] dd20: e629e000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.278818][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.278843][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.278866][ T32] r5:80070013 r4:80239bb0 [ 1329.278893][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.278971][ T32] r4:82ac11a4 [ 1329.279021][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.279082][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.279105][ T32] r4:e883ddc0 [ 1329.279177][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.279224][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.279248][ T32] r4:00000000 [ 1329.279267][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.279310][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.279331][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.279372][ T32] r5:00001000 r4:e47a2000 [ 1329.279392][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.279459][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.279505][ T32] r5:84fe978c r4:84fe9400 [ 1329.279554][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.279608][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.279630][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.279700][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.279812][ T32] r4:8454d880 [ 1329.307314][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.307495][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.307531][ T32] r4:00000001 [ 1329.307553][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.307620][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.307656][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.307686][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.307713][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.307742][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.307763][ T32] r4:84e5a440 [ 1329.307787][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.307830][ T32] INFO: task kworker/1:345:4252 blocked for more than 455 seconds. [ 1329.307866][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.307890][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.307914][ T32] task:kworker/1:345 state:D stack:0 pid:4252 tgid:4252 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.308070][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.308180][ T32] Call trace: [ 1329.308243][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.308303][ T32] r10:8291880c r9:eab6dd84 r8:00000002 r7:60000013 r6:eab6dd8c r5:84c80000 [ 1329.308327][ T32] r4:84c80000 [ 1329.308347][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.308386][ T32] r5:84c80000 r4:82918808 [ 1329.308408][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.308444][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.308485][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab6de08 [ 1329.308507][ T32] r4:00000000 [ 1329.308525][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.308587][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.308733][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.308782][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8520c340 [ 1329.308805][ T32] r4:00000000 [ 1329.308830][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.308878][ T32] r9:83018205 r8:84c80000 r7:00000000 r6:83018200 r5:00001000 r4:7f08b000 [ 1329.308902][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.308947][ T32] r5:00001000 r4:e47f9000 [ 1329.309002][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.309053][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.309095][ T32] r5:85270f8c r4:85270c00 [ 1329.309114][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.309158][ T32] r7:ddde2d80 r6:83018200 r5:85270f8c r4:851fda80 [ 1329.309204][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.309258][ T32] r10:61c88647 r9:84c80000 r8:851fdaac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.309282][ T32] r4:851fda80 [ 1329.309301][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.309356][ T32] r10:00000000 r9:851fda80 r8:8027f5e8 r7:eab19e60 r6:8520e380 r5:84c80000 [ 1329.309396][ T32] r4:00000001 [ 1329.309419][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.309485][ T32] Exception stack(0xeab6dfb0 to 0xeab6dff8) [ 1329.309520][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.309551][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.309578][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.309632][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.309658][ T32] r4:8520c080 [ 1329.312363][ T32] INFO: task kworker/1:345:4252 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.312500][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.312589][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1329.312914][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1329.313189][ T32] r5:80070013 r4:80239bb0 ** 9 printk messages dropped ** [ 1329.313628][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 4 printk messages dropped ** [ 1329.313838][ T32] r5:84fe978c r4:84fe9400 [ 1329.313864][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.313943][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.313969][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.314017][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.314048][ T32] r4:8454d880 [ 1329.314085][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.314135][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.314206][ T32] r4:00000001 [ 1329.314232][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.314270][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.314296][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.314325][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.314363][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.314396][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.314419][ T32] r4:84e5a440 [ 1329.314456][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.314488][ T32] INFO: task kworker/1:346:4254 blocked for more than 455 seconds. [ 1329.314522][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.314547][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.314568][ T32] task:kworker/1:346 state:D stack:0 pid:4254 tgid:4254 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.314612][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.314684][ T32] Call trace: [ 1329.314715][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.314765][ T32] r10:8291880c r9:eab85d84 r8:00000002 r7:60000013 r6:eab85d8c r5:84c81800 [ 1329.314803][ T32] r4:84c81800 [ 1329.314881][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.314930][ T32] r5:84c81800 r4:82918808 [ 1329.314953][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.315025][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1329.315176][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1329.315425][ T32] r5:00001000 r4:ea977000 [ 1329.315448][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1329.315528][ T32] r5:85271b8c r4:85271800 [ 1329.315546][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.315588][ T32] r7:ddde2d80 r6:83018200 r5:85271b8c r4:851fdb00 [ 1329.315608][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.315681][ T32] r10:61c88647 r9:84c81800 r8:851fdb2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.315707][ T32] r4:851fdb00 [ 1329.315727][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.315770][ T32] r10:00000000 r9:851fdb00 r8:8027f5e8 r7:eab6de60 r6:8520e400 r5:84c81800 [ 1329.315819][ T32] r4:00000001 [ 1329.315841][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.315904][ T32] Exception stack(0xeab85fb0 to 0xeab85ff8) [ 1329.315933][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.315961][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.315989][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.316017][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.316070][ T32] r4:8520c1c0 [ 1329.316464][ T32] INFO: task kworker/1:346:4254 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.316500][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.316641][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.316744][ T32] Call trace: [ 1329.316780][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.316855][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.316883][ T32] r4:00000000 [ 1329.316930][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.317047][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.317091][ T32] dd20: e6885000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.317126][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.317155][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.317179][ T32] r5:80070013 r4:80239bb0 [ 1329.317200][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 8 printk messages dropped ** [ 1329.317565][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 8 printk messages dropped ** [ 1329.318084][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1329.318432][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1329.318744][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1329.319312][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1329.319706][ T32] r5:00001000 r4:e8819000 [ 1329.319725][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.319766][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.343224][ T32] r5:8527138c r4:85271000 ** 1 printk messages dropped ** [ 1329.343488][ T32] r7:ddde2d80 r6:83018200 r5:8527138c r4:851fdb80 ** 8 printk messages dropped ** [ 1329.343847][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1329.344587][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1329.344850][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 8 printk messages dropped ** [ 1329.345295][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 7 printk messages dropped ** [ 1329.345704][ T32] r5:84fe978c r4:84fe9400 ** 4 printk messages dropped ** [ 1329.346034][ T32] r4:8454d880 [ 1329.346059][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.346104][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.346127][ T32] r4:00000001 [ 1329.346161][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.346225][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.346254][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.346283][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.346310][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.346338][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.346361][ T32] r4:84e5a440 [ 1329.346382][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.346410][ T32] INFO: task kworker/1:348:4257 blocked for more than 455 seconds. [ 1329.346445][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.346471][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.346494][ T32] task:kworker/1:348 state:D stack:0 pid:4257 tgid:4257 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.346540][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.346581][ T32] Call trace: [ 1329.346643][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.346695][ T32] r10:8291880c r9:eab91d84 r8:00000002 r7:60000113 r6:eab91d8c r5:8523a400 [ 1329.346718][ T32] r4:8523a400 [ 1329.346739][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.346778][ T32] r5:8523a400 r4:82918808 [ 1329.346845][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.346886][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.346928][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab91e08 [ 1329.346950][ T32] r4:00000000 [ 1329.346969][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.347002][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.347047][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.347093][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8520c600 [ 1329.347115][ T32] r4:00000000 [ 1329.347134][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.347177][ T32] r9:83018205 r8:8523a400 r7:00000000 r6:83018200 r5:00001000 r4:7f08f000 [ 1329.347197][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.347236][ T32] r5:00001000 r4:e887b000 [ 1329.347282][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.347325][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.347367][ T32] r5:8527178c r4:85271400 [ 1329.347387][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.347460][ T32] r7:ddde2d80 r6:83018200 r5:8527178c r4:851fdc80 [ 1329.347484][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.347560][ T32] r10:61c88647 r9:8523a400 r8:851fdcac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.347585][ T32] r4:851fdc80 [ 1329.347605][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.347679][ T32] r10:00000000 r9:851fdc80 r8:8027f5e8 r7:eab85e60 r6:851fdd00 r5:8523a400 [ 1329.347706][ T32] r4:00000001 [ 1329.347726][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.347764][ T32] Exception stack(0xeab91fb0 to 0xeab91ff8) [ 1329.347790][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.347818][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.347874][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.347911][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.347949][ T32] r4:8520c240 [ 1329.348313][ T32] INFO: task kworker/1:348:4257 is blocked on a mutex likely owned by task kworker/1:172:3871. ** 7 printk messages dropped ** [ 1329.348751][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.348778][ T32] dd20: e6d56000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.348806][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.348830][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.348853][ T32] r5:80070013 r4:80239bb0 [ 1329.348872][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.348915][ T32] r4:82ac11a4 [ 1329.348934][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.349063][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.349090][ T32] r4:e883ddc0 [ 1329.349110][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.349155][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.349177][ T32] r4:00000000 [ 1329.349197][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.349240][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.349291][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.349339][ T32] r5:00001000 r4:e47a2000 [ 1329.349390][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.349433][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.349476][ T32] r5:84fe978c r4:84fe9400 [ 1329.349581][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.349632][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.349652][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.349697][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.349720][ T32] r4:8454d880 [ 1329.349739][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.370576][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.370685][ T32] r4:00000001 [ 1329.370713][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.370775][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.370807][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.370836][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.370862][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.370913][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.370942][ T32] r4:84e5a440 [ 1329.370968][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.370998][ T32] INFO: task kworker/1:349:4260 blocked for more than 455 seconds. [ 1329.371039][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.371065][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.371087][ T32] task:kworker/1:349 state:D stack:0 pid:4260 tgid:4260 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.371161][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.371216][ T32] Call trace: ** 3 printk messages dropped ** [ 1329.371472][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 6 printk messages dropped ** [ 1329.371879][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.371981][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.372030][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8520c780 [ 1329.372060][ T32] r4:00000000 [ 1329.372079][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.372127][ T32] r9:83018205 r8:8523b000 r7:00000000 r6:83018200 r5:00001000 r4:7f095000 [ 1329.372149][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.372273][ T32] r5:00001000 r4:ea9ef000 [ 1329.372297][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.372469][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.372547][ T32] r5:8527238c r4:85272000 [ 1329.372571][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.372619][ T32] r7:ddde2d80 r6:83018200 r5:8527238c r4:851fdd80 [ 1329.372640][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.372691][ T32] r10:61c88647 r9:8523b000 r8:851fddac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.372715][ T32] r4:851fdd80 [ 1329.372734][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.372776][ T32] r10:00000000 r9:851fdd80 r8:8027f5e8 r7:eab85e60 r6:851fde00 r5:8523b000 [ 1329.372798][ T32] r4:00000001 [ 1329.372831][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.372871][ T32] Exception stack(0xeaba9fb0 to 0xeaba9ff8) [ 1329.372897][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1329.372924][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.372950][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.373010][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.373042][ T32] r4:8520c5c0 [ 1329.373544][ T32] INFO: task kworker/1:349:4260 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.373603][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.373735][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.373783][ T32] Call trace: [ 1329.373911][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 4 printk messages dropped ** [ 1329.374139][ T32] dd20: e7207000 edddd000 00000001 80239b98 7fb69000 00000001 ** 12 printk messages dropped ** [ 1329.374728][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 8 printk messages dropped ** [ 1329.375164][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1329.375572][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1329.375811][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1329.376098][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1329.376435][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.376475][ T32] r5:00001000 r4:ea9db000 ** 2 printk messages dropped ** [ 1329.376572][ T32] r5:85271f8c r4:85271c00 ** 3 printk messages dropped ** [ 1329.376764][ T32] r10:61c88647 r9:8523bc00 r8:851fdeac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1329.377125][ T32] r4:8520c840 ** 5 printk messages dropped ** [ 1329.377934][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 8 printk messages dropped ** [ 1329.378274][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1329.378513][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 2 printk messages dropped ** [ 1329.378619][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.378640][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.378719][ T32] r5:00001000 r4:e47a2000 [ 1329.378743][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.378783][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.378853][ T32] r5:84fe978c r4:84fe9400 [ 1329.378923][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.378975][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.379029][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.379084][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.379108][ T32] r4:8454d880 [ 1329.379128][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.379170][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.379192][ T32] r4:00000001 [ 1329.379211][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.379247][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.379272][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.379300][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.379369][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.379401][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.379424][ T32] r4:84e5a440 [ 1329.379444][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.379470][ T32] INFO: task kworker/1:351:4264 blocked for more than 455 seconds. [ 1329.379497][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.379520][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.379542][ T32] task:kworker/1:351 state:D stack:0 pid:4264 tgid:4264 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.379587][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.379625][ T32] Call trace: [ 1329.379721][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.398313][ T32] r10:8291880c r9:eada1d84 r8:00000002 r7:60000113 r6:eada1d8c r5:8523c800 [ 1329.398415][ T32] r4:8523c800 [ 1329.398443][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.398508][ T32] r5:8523c800 r4:82918808 [ 1329.398528][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.398567][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.398609][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eada1e08 [ 1329.398631][ T32] r4:00000000 [ 1329.398650][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.398684][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.398726][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.398769][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8520cbc0 [ 1329.398791][ T32] r4:00000000 [ 1329.398810][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.398855][ T32] r9:83018205 r8:8523c800 r7:00000000 r6:83018200 r5:00001000 r4:7f097000 [ 1329.398876][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.398919][ T32] r5:00001000 r4:eaa03000 [ 1329.398939][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.398978][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.399020][ T32] r5:8527278c r4:85272400 [ 1329.399047][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1329.399728][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1329.413364][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1329.414398][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1329.414802][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1329.414959][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 11 printk messages dropped ** [ 1329.415426][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1329.415836][ T32] r4:84e5a440 ** 5 printk messages dropped ** [ 1329.416102][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1329.416554][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1329.417158][ T32] r5:00001000 r4:eaa2d000 [ 1329.417177][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1329.417450][ T32] r5:85272f8c r4:85272c00 [ 1329.417474][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.417521][ T32] r7:ddde2d80 r6:83018200 r5:85272f8c r4:8521a080 [ 1329.417542][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.417586][ T32] r10:61c88647 r9:8523d400 r8:8521a0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.417607][ T32] r4:8521a080 [ 1329.417626][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.417667][ T32] r10:00000000 r9:8521a080 r8:8027f5e8 r7:eada1e60 r6:8521a100 r5:8523d400 [ 1329.417690][ T32] r4:00000001 [ 1329.417710][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.417745][ T32] Exception stack(0xeada5fb0 to 0xeada5ff8) [ 1329.417771][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.417799][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.417825][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.417853][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.417876][ T32] r4:8520ccc0 [ 1329.418238][ T32] INFO: task kworker/1:352:4266 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.418273][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.418331][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.418377][ T32] Call trace: [ 1329.418549][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.418598][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.418622][ T32] r4:00000000 [ 1329.418659][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.418700][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.418815][ T32] dd20: e76ef000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.418847][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.418874][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.418898][ T32] r5:80070013 r4:80239bb0 [ 1329.418917][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.418961][ T32] r4:82ac11a4 [ 1329.418981][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.419026][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.419055][ T32] r4:e883ddc0 [ 1329.419075][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.419119][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.419141][ T32] r4:00000000 [ 1329.419160][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.419203][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.419225][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.419266][ T32] r5:00001000 r4:e47a2000 [ 1329.419286][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.419324][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.419365][ T32] r5:84fe978c r4:84fe9400 [ 1329.419386][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.419432][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.419453][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.419497][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.419519][ T32] r4:8454d880 [ 1329.419538][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.419834][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.430383][ T32] r4:00000001 [ 1329.430489][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.430573][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.430610][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1329.430715][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.430749][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.430773][ T32] r4:84e5a440 [ 1329.430798][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.430829][ T32] INFO: task kworker/1:353:4268 blocked for more than 455 seconds. [ 1329.430864][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.430888][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.430911][ T32] task:kworker/1:353 state:D stack:0 pid:4268 tgid:4268 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.430968][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.431014][ T32] Call trace: [ 1329.431053][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.431105][ T32] r10:8291880c r9:eada9d84 r8:00000002 r7:60000013 r6:eada9d8c r5:8523e000 [ 1329.431128][ T32] r4:8523e000 [ 1329.431162][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.431210][ T32] r5:8523e000 r4:82918808 [ 1329.431231][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.431267][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.431310][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eada9e08 [ 1329.431334][ T32] r4:00000000 [ 1329.431426][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.431498][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.431563][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.431627][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8520ccc0 [ 1329.431712][ T32] r4:00000000 [ 1329.431735][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.431784][ T32] r9:83018205 r8:8523e000 r7:00000000 r6:83018200 r5:00001000 r4:7f099000 [ 1329.431806][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.431867][ T32] r5:00001000 r4:eaa13000 [ 1329.431891][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.431961][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.432007][ T32] r5:85272b8c r4:85272800 [ 1329.432029][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.432083][ T32] r7:ddde2d80 r6:83018200 r5:85272b8c r4:8521a180 [ 1329.432105][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.432149][ T32] r10:61c88647 r9:8523e000 r8:8521a1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.432171][ T32] r4:8521a180 [ 1329.432191][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.432235][ T32] r10:00000000 r9:8521a180 r8:8027f5e8 r7:eada5e60 r6:8521a200 r5:8523e000 [ 1329.432278][ T32] r4:00000001 [ 1329.432301][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.432339][ T32] Exception stack(0xeada9fb0 to 0xeada9ff8) [ 1329.432365][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1329.432393][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.432420][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.432448][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.432470][ T32] r4:8520ca40 [ 1329.432955][ T32] INFO: task kworker/1:353:4268 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.432989][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.433085][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.433148][ T32] Call trace: [ 1329.433183][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.433265][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.433292][ T32] r4:00000000 [ 1329.433346][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.433402][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.433434][ T32] dd20: e7823000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.433467][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.433511][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.433539][ T32] r5:80070013 r4:80239bb0 [ 1329.433560][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.433605][ T32] r4:82ac11a4 [ 1329.433637][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 8 printk messages dropped ** [ 1329.434014][ T32] r5:00001000 r4:e47a2000 ** 4 printk messages dropped ** [ 1329.434241][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 7 printk messages dropped ** [ 1329.434467][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 7 printk messages dropped ** [ 1329.434773][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1329.435151][ T32] r10:8291880c r9:eadadd84 r8:00000002 r7:60000113 r6:eadadd8c r5:8523ec00 ** 8 printk messages dropped ** [ 1329.435477][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.435514][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.435617][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8520cfc0 [ 1329.435646][ T32] r4:00000000 [ 1329.435667][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.435746][ T32] r9:83018205 r8:8523ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f09d000 [ 1329.435772][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.435813][ T32] r5:00001000 r4:eaa47000 [ 1329.435854][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.435948][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.435993][ T32] r5:8527338c r4:85273000 [ 1329.436080][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.436229][ T32] r7:ddde2d80 r6:83018200 r5:8527338c r4:8521a280 [ 1329.436256][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.436317][ T32] r10:61c88647 r9:8523ec00 r8:8521a2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.436343][ T32] r4:8521a280 [ 1329.436362][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.436441][ T32] r10:00000000 r9:8521a280 r8:8027f5e8 r7:eada5e60 r6:8521a300 r5:8523ec00 [ 1329.436468][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1329.436624][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 15 printk messages dropped ** [ 1329.437636][ T32] r5:80070013 r4:80239bb0 ** 11 printk messages dropped ** [ 1329.438054][ T32] r5:00001000 r4:e47a2000 ** 10 printk messages dropped ** [ 1329.438580][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1329.438802][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.438824][ T32] r4:84e5a440 [ 1329.438845][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.438871][ T32] INFO: task kworker/1:355:4272 blocked for more than 455 seconds. [ 1329.438899][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.438987][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.439012][ T32] task:kworker/1:355 state:D stack:0 pid:4272 tgid:4272 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.439095][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.439138][ T32] Call trace: [ 1329.439167][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.439243][ T32] r10:8291880c r9:eadb1d84 r8:00000002 r7:60000013 r6:eadb1d8c r5:85239800 [ 1329.439283][ T32] r4:85239800 [ 1329.439307][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.439352][ T32] r5:85239800 r4:82918808 [ 1329.439374][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.439411][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.439452][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eadb1e08 [ 1329.439487][ T32] r4:00000000 [ 1329.439509][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.439545][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.439583][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.439625][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85222440 [ 1329.439647][ T32] r4:00000000 [ 1329.439666][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.439709][ T32] r9:83018205 r8:85239800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a3000 [ 1329.439730][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.439844][ T32] r5:00001000 r4:eaa85000 ** 4 printk messages dropped ** [ 1329.474228][ T32] r7:ddde2d80 r6:83018200 r5:85273f8c r4:8521a380 ** 12 printk messages dropped ** [ 1329.474837][ T32] r4:8520ce00 ** 9 printk messages dropped ** [ 1329.476602][ T32] dd20: e7f7a000 edddd000 00000001 80239b98 7fb69000 00000001 ** 17 printk messages dropped ** [ 1329.478156][ T32] r5:84fe978c r4:84fe9400 ** 10 printk messages dropped ** [ 1329.478672][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 13 printk messages dropped ** [ 1329.479458][ T32] r4:850c6c00 ** 9 printk messages dropped ** [ 1329.491433][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85222040 ** 2 printk messages dropped ** [ 1329.491532][ T32] r9:83018205 r8:850c6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f09f000 [ 1329.491554][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.491599][ T32] r5:00001000 r4:eaa59000 [ 1329.491663][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.491718][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.491768][ T32] r5:8527378c r4:85273400 [ 1329.491790][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.491837][ T32] r7:ddde2d80 r6:83018200 r5:8527378c r4:8521a480 [ 1329.491858][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.491992][ T32] r10:61c88647 r9:850c6c00 r8:8521a4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.492055][ T32] r4:8521a480 [ 1329.492100][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.492181][ T32] r10:00000000 r9:8521a480 r8:8027f5e8 r7:eadb1e60 r6:8521a500 r5:850c6c00 [ 1329.492207][ T32] r4:00000001 [ 1329.492228][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.492266][ T32] Exception stack(0xeab25fb0 to 0xeab25ff8) [ 1329.492339][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.492379][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.492406][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.492447][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.492473][ T32] r4:85222080 [ 1329.492983][ T32] INFO: task kworker/1:356:4273 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.493055][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.493134][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.493242][ T32] Call trace: [ 1329.493277][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.493326][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 2 printk messages dropped ** [ 1329.493407][ T32] Exception stack(0xe883dd28 to 0xe883dd70) ** 14 printk messages dropped ** [ 1329.493918][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 14 printk messages dropped ** [ 1329.494522][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 16 printk messages dropped ** [ 1329.495117][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 1 printk messages dropped ** [ 1329.495207][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eadb5e08 [ 1329.495232][ T32] r4:00000000 [ 1329.495252][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.495287][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.495323][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.495364][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85222300 [ 1329.495417][ T32] r4:00000000 [ 1329.495441][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.495485][ T32] r9:83018205 r8:850c5400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.495507][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.495546][ T32] r5:00001000 r4:eaa6d000 [ 1329.495564][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.495601][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.495674][ T32] r5:85273b8c r4:85273800 [ 1329.495732][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.495813][ T32] r7:ddde2d80 r6:83018200 r5:85273b8c r4:8521a580 [ 1329.495875][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.495925][ T32] r10:61c88647 r9:850c5400 r8:8521a5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.495947][ T32] r4:8521a580 [ 1329.495965][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.496011][ T32] r10:00000000 r9:8521a580 r8:8027f5e8 r7:eadb1e60 r6:8521a600 r5:850c5400 [ 1329.496062][ T32] r4:00000001 [ 1329.496102][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.496173][ T32] Exception stack(0xeadb5fb0 to 0xeadb5ff8) [ 1329.496203][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.496264][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.496379][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1329.497119][ T32] r4:00000000 ** 9 printk messages dropped ** [ 1329.497483][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 4 printk messages dropped ** [ 1329.497614][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.497659][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.497698][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.497806][ T32] r5:00001000 r4:e47a2000 [ 1329.497830][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.497883][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.497928][ T32] r5:84fe978c r4:84fe9400 [ 1329.497949][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.498012][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 1 printk messages dropped ** [ 1329.498103][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 17 printk messages dropped ** [ 1329.499066][ T32] Call trace: ** 10 printk messages dropped ** [ 1329.499520][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1329.499701][ T32] r9:83018205 r8:85240000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a9000 ** 10 printk messages dropped ** [ 1329.521389][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 15 printk messages dropped ** [ 1329.522961][ T32] r4:00000000 ** 10 printk messages dropped ** [ 1329.523632][ T32] r4:e883ddc0 ** 9 printk messages dropped ** [ 1329.524011][ T32] r5:84fe978c r4:84fe9400 ** 10 printk messages dropped ** [ 1329.524548][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1329.524846][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.524875][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.524924][ T32] task:kworker/1:359 state:D stack:0 pid:4280 tgid:4280 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.524988][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.525028][ T32] Call trace: [ 1329.525065][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.525112][ T32] r10:8291880c r9:eadc1d84 r8:00000002 r7:60000013 r6:eadc1d8c r5:85240c00 [ 1329.525135][ T32] r4:85240c00 [ 1329.525154][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.525193][ T32] r5:85240c00 r4:82918808 [ 1329.525212][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.525268][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.525316][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eadc1e08 [ 1329.525415][ T32] r4:00000000 [ 1329.525449][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.525503][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.525546][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.525614][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852225c0 [ 1329.525661][ T32] r4:00000000 [ 1329.525685][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.525743][ T32] r9:83018205 r8:85240c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1329.525767][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.525809][ T32] r5:00001000 r4:eaa97000 [ 1329.525829][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.525872][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.525915][ T32] r5:8527838c r4:85278000 [ 1329.525962][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.526011][ T32] r7:ddde2d80 r6:83018200 r5:8527838c r4:8521a780 [ 1329.526118][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.526202][ T32] r10:61c88647 r9:85240c00 r8:8521a7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.526231][ T32] r4:8521a780 [ 1329.526252][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 5 printk messages dropped ** [ 1329.526523][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 17 printk messages dropped ** [ 1329.527557][ T32] r4:82ac11a4 ** 10 printk messages dropped ** [ 1329.528152][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 15 printk messages dropped ** [ 1329.529004][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1329.529259][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.529341][ T32] Call trace: [ 1329.529374][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.529423][ T32] r10:8291880c r9:eadc5d84 r8:00000002 r7:60000013 r6:eadc5d8c r5:85241800 [ 1329.529512][ T32] r4:85241800 [ 1329.529535][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.529576][ T32] r5:85241800 r4:82918808 [ 1329.529596][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.529636][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.529680][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eadc5e08 [ 1329.529844][ T32] r4:00000000 [ 1329.570541][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.570631][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.570681][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.570732][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85222640 [ 1329.570757][ T32] r4:00000000 [ 1329.570779][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.570831][ T32] r9:83018205 r8:85241800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a7000 [ 1329.570894][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.570953][ T32] r5:00001000 r4:eaab9000 [ 1329.570977][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.571042][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 11 printk messages dropped ** [ 1329.571684][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 18 printk messages dropped ** [ 1329.573396][ T32] r4:82ac11a4 ** 11 printk messages dropped ** [ 1329.574008][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 15 printk messages dropped ** [ 1329.574678][ T32] r4:84e5a440 ** 9 printk messages dropped ** [ 1329.575073][ T32] r4:85242400 ** 9 printk messages dropped ** [ 1329.575472][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85222a80 ** 4 printk messages dropped ** [ 1329.575683][ T32] r5:00001000 r4:eaaf1000 ** 10 printk messages dropped ** [ 1329.576082][ T32] r4:00000001 ** 8 printk messages dropped ** [ 1329.576740][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 20 printk messages dropped ** [ 1329.577654][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.577727][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.577775][ T32] r5:00001000 r4:e47a2000 [ 1329.577797][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.577837][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.577914][ T32] r5:84fe978c r4:84fe9400 [ 1329.577967][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.578041][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.578087][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.578167][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.578220][ T32] r4:8454d880 [ 1329.578273][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.578321][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.578374][ T32] r4:00000001 [ 1329.578398][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.578435][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.578461][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.578489][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.578516][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.578576][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.578602][ T32] r4:84e5a440 [ 1329.578623][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.578649][ T32] INFO: task kworker/1:362:4286 blocked for more than 456 seconds. [ 1329.578677][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.578700][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.578736][ T32] task:kworker/1:362 state:D stack:0 pid:4286 tgid:4286 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.578787][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.578827][ T32] Call trace: [ 1329.578878][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.578960][ T32] r10:8291880c r9:eadd5d84 r8:00000002 r7:60000113 r6:eadd5d8c r5:85243000 [ 1329.578987][ T32] r4:85243000 [ 1329.579033][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 7 printk messages dropped ** [ 1329.579401][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1329.579579][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1329.587562][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 16 printk messages dropped ** [ 1329.588880][ T32] INFO: task kworker/1:362:4286 is blocked on a mutex likely owned by task kworker/1:172:3871. ** 19 printk messages dropped ** [ 1329.602447][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1329.602828][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 16 printk messages dropped ** [ 1329.603552][ T32] Not tainted 6.15.0-syzkaller #0 ** 12 printk messages dropped ** [ 1329.604222][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1329.604429][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1329.604619][ T32] r5:00001000 r4:eab45000 ** 8 printk messages dropped ** [ 1329.604948][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1329.605192][ T32] Exception stack(0xeadd9fb0 to 0xeadd9ff8) [ 1329.605230][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1329.605259][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.605285][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.605313][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.605335][ T32] r4:85222c40 [ 1329.605829][ T32] INFO: task kworker/1:363:4288 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.605862][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.605931][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.606000][ T32] Call trace: [ 1329.606044][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.606108][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.606135][ T32] r4:00000000 [ 1329.606155][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.606246][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.606333][ T32] dd20: e916f000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.606391][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.606497][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.606525][ T32] r5:80070013 r4:80239bb0 [ 1329.606547][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.606592][ T32] r4:82ac11a4 [ 1329.606650][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.606743][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.606795][ T32] r4:e883ddc0 [ 1329.606818][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.606863][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.606886][ T32] r4:00000000 [ 1329.606907][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.606951][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.606972][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.607045][ T32] r5:00001000 r4:e47a2000 [ 1329.607096][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.607140][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.607183][ T32] r5:84fe978c r4:84fe9400 [ 1329.607202][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.607300][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.607325][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.607372][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.607423][ T32] r4:8454d880 ** 8 printk messages dropped ** [ 1329.607779][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 13 printk messages dropped ** [ 1329.608378][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1329.608736][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1329.609031][ T32] r5:85279b8c r4:85279800 ** 7 printk messages dropped ** [ 1329.609487][ T32] r4:00000001 [ 1329.609509][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.609545][ T32] Exception stack(0xeadddfb0 to 0xeadddff8) [ 1329.609571][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.609603][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.609657][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.609690][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.609712][ T32] r4:85222b80 [ 1329.631216][ T32] INFO: task kworker/1:364:4291 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.631466][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.631653][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.631846][ T32] Call trace: [ 1329.631988][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.632066][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.632094][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1329.632198][ T32] dd20: e94c2000 edddd000 00000001 80239b98 7fb69000 00000001 ** 15 printk messages dropped ** [ 1329.632913][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 14 printk messages dropped ** [ 1329.633571][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 13 printk messages dropped ** [ 1329.634444][ T32] r5:85245400 r4:82918808 ** 8 printk messages dropped ** [ 1329.635008][ T32] r4:00000000 [ 1329.635131][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 7 printk messages dropped ** [ 1329.635613][ T32] r7:ddde2d80 r6:83018200 r5:85279f8c r4:8521ad80 ** 10 printk messages dropped ** [ 1329.636157][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 12 printk messages dropped ** [ 1329.637239][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 16 printk messages dropped ** [ 1329.637927][ T32] r5:84fe978c r4:84fe9400 ** 11 printk messages dropped ** [ 1329.638425][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1329.638753][ T32] task:kworker/1:366 state:D stack:0 pid:4294 tgid:4294 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.638801][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.638861][ T32] Call trace: [ 1329.638901][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.638948][ T32] r10:8291880c r9:eade5d84 r8:00000002 r7:60000113 r6:eade5d8c r5:85246000 [ 1329.638970][ T32] r4:85246000 [ 1329.638990][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.639031][ T32] r5:85246000 r4:82918808 [ 1329.639056][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.639156][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.639202][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eade5e08 [ 1329.639224][ T32] r4:00000000 [ 1329.639243][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.639355][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.639395][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.639438][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852ae0c0 [ 1329.639462][ T32] r4:00000000 [ 1329.639497][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.639545][ T32] r9:83018205 r8:85246000 r7:00000000 r6:83018200 r5:00001000 r4:7f0cd000 [ 1329.639827][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.661348][ T32] r5:00001000 r4:eaba5000 [ 1329.661393][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.661459][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.661558][ T32] r5:8527a38c r4:8527a000 [ 1329.661584][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.661633][ T32] r7:ddde2d80 r6:83018200 r5:8527a38c r4:8521ae80 [ 1329.661655][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.661702][ T32] r10:61c88647 r9:85246000 r8:8521aeac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.661724][ T32] r4:8521ae80 [ 1329.661798][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.661849][ T32] r10:00000000 r9:8521ae80 r8:8027f5e8 r7:eade1e60 r6:8521af00 r5:85246000 [ 1329.661871][ T32] r4:00000001 [ 1329.661891][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.661929][ T32] Exception stack(0xeade5fb0 to 0xeade5ff8) [ 1329.661959][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.661988][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.662013][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.662085][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.662112][ T32] r4:85222fc0 [ 1329.662656][ T32] INFO: task kworker/1:366:4294 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.662729][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.662836][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.662883][ T32] Call trace: [ 1329.662940][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.662993][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.663050][ T32] r4:00000000 [ 1329.663126][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.663199][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.663262][ T32] dd20: e98a7000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.663333][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.663361][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.663386][ T32] r5:80070013 r4:80239bb0 [ 1329.663408][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.663460][ T32] r4:82ac11a4 [ 1329.663480][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.663544][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.663575][ T32] r4:e883ddc0 [ 1329.663598][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.663678][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.663705][ T32] r4:00000000 [ 1329.663741][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.663790][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.663812][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.663853][ T32] r5:00001000 r4:e47a2000 [ 1329.663903][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.663947][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.663989][ T32] r5:84fe978c r4:84fe9400 [ 1329.664009][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.664061][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.664081][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.664125][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.664147][ T32] r4:8454d880 [ 1329.664166][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.664243][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.664270][ T32] r4:00000001 [ 1329.664289][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.664325][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.664384][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.664452][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.664482][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.664511][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.664534][ T32] r4:84e5a440 [ 1329.664557][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 3 printk messages dropped ** [ 1329.664756][ T32] task:kworker/1:367 state:D stack:0 pid:4296 tgid:4296 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1329.665059][ T32] r5:85248000 r4:82918808 ** 1 printk messages dropped ** [ 1329.665122][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1329.665356][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85201740 [ 1329.665409][ T32] r4:00000000 [ 1329.665432][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.665475][ T32] r9:83018205 r8:85248000 r7:00000000 r6:83018200 r5:00001000 r4:7f0b7000 ** 4 printk messages dropped ** [ 1329.665717][ T32] r5:8527a78c r4:8527a400 ** 1 printk messages dropped ** [ 1329.665781][ T32] r7:ddde2d80 r6:83018200 r5:8527a78c r4:8521af80 ** 5 printk messages dropped ** [ 1329.666084][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1329.666274][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1329.666391][ T32] r4:852ae100 [ 1329.666701][ T32] INFO: task kworker/1:367:4296 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.666795][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.666856][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.666901][ T32] Call trace: [ 1329.666932][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.666980][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.667003][ T32] r4:00000000 [ 1329.667022][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.667068][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.667096][ T32] dd20: e98a7000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.667125][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.667150][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.667174][ T32] r5:80070013 r4:80239bb0 [ 1329.667193][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.667235][ T32] r4:82ac11a4 [ 1329.667254][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.667330][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.667357][ T32] r4:e883ddc0 [ 1329.667409][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.667458][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.667495][ T32] r4:00000000 [ 1329.667519][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.667564][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.667586][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.667626][ T32] r5:00001000 r4:e47a2000 [ 1329.667708][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.667784][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.667830][ T32] r5:84fe978c r4:84fe9400 [ 1329.667850][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.667896][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.667994][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.668083][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.668112][ T32] r4:8454d880 [ 1329.668162][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.668242][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.668269][ T32] r4:00000001 [ 1329.668289][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.668370][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.668400][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.668429][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.668488][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.668523][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1329.668649][ T32] Not tainted 6.15.0-syzkaller #0 ** 9 printk messages dropped ** [ 1329.669031][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1329.669381][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1329.669617][ T32] r5:00001000 r4:ea957000 ** 12 printk messages dropped ** [ 1329.690913][ T32] Exception stack(0xeadedfb0 to 0xeadedff8) ** 11 printk messages dropped ** [ 1329.691977][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1329.692300][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1329.692573][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.692629][ T32] r4:00000000 [ 1329.692653][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.692700][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.692722][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.692832][ T32] r5:00001000 r4:e47a2000 [ 1329.692886][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.692945][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.692990][ T32] r5:84fe978c r4:84fe9400 [ 1329.693011][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.693084][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.693109][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.693155][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.693177][ T32] r4:8454d880 [ 1329.693196][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.693262][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.693289][ T32] r4:00000001 [ 1329.693339][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.693382][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.693410][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.693438][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.693469][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.693497][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.693547][ T32] r4:84e5a440 [ 1329.693573][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.693603][ T32] INFO: task kworker/0:221:4301 blocked for more than 456 seconds. [ 1329.693638][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.693664][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.693702][ T32] task:kworker/0:221 state:D stack:0 pid:4301 tgid:4301 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.693857][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.693904][ T32] Call trace: [ 1329.693956][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.694005][ T32] r10:8291880c r9:eac09d84 r8:00000002 r7:60000113 r6:eac09d8c r5:8524b000 [ 1329.694060][ T32] r4:8524b000 [ 1329.694087][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 2 printk messages dropped ** [ 1329.694185][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1329.694550][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1329.694768][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 15 printk messages dropped ** [ 1329.695331][ T32] r4:8522e800 ** 6 printk messages dropped ** [ 1329.696005][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1329.696306][ T32] r4:82ac11a4 ** 8 printk messages dropped ** [ 1329.696680][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1329.696950][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 8 printk messages dropped ** [ 1329.697404][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.697437][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.697466][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.697496][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.697518][ T32] r4:84e5a440 [ 1329.697570][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.697631][ T32] INFO: task kworker/0:222:4302 blocked for more than 456 seconds. [ 1329.697664][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.697687][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.697708][ T32] task:kworker/0:222 state:D stack:0 pid:4302 tgid:4302 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.697814][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.697894][ T32] Call trace: [ 1329.697954][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.698039][ T32] r10:8291880c r9:eac15d84 r8:00000002 r7:60000013 r6:eac15d8c r5:8524a400 [ 1329.698067][ T32] r4:8524a400 [ 1329.698099][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.698143][ T32] r5:8524a400 r4:82918808 [ 1329.698166][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.698245][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.698293][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac15e08 [ 1329.698317][ T32] r4:00000000 [ 1329.698336][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.698372][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.698409][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.698482][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522eb00 [ 1329.698508][ T32] r4:00000000 [ 1329.698529][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.698575][ T32] r9:83018005 r8:8524a400 r7:00000000 r6:83018000 r5:00001000 r4:7f037000 [ 1329.698597][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.698638][ T32] r5:00001000 r4:dfb2d000 [ 1329.698692][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.698735][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.698777][ T32] r5:8515038c r4:85150000 [ 1329.698811][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.698872][ T32] r7:dddced80 r6:83018000 r5:8515038c r4:8520e500 [ 1329.698896][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.698941][ T32] r10:61c88647 r9:8524a400 r8:8520e52c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1329.698962][ T32] r4:8520e500 [ 1329.698981][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 9 printk messages dropped ** [ 1329.699696][ T32] INFO: task kworker/0:222:4302 is blocked on a mutex likely owned by task kworker/1:172:3871. ** 16 printk messages dropped ** [ 1329.731377][ T32] r4:e883ddc0 ** 8 printk messages dropped ** [ 1329.731777][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 14 printk messages dropped ** [ 1329.732457][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 16 printk messages dropped ** [ 1329.733184][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1329.733536][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1329.733853][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1329.733982][ T32] r7:dddced80 r6:83018000 r5:8515078c r4:8520e580 [ 1329.734007][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.734061][ T32] r10:61c88647 r9:85249800 r8:8520e5ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1329.734083][ T32] r4:8520e580 [ 1329.734102][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.734147][ T32] r10:00000000 r9:8520e580 r8:8027f5e8 r7:eac09e60 r6:852b0280 r5:85249800 [ 1329.734168][ T32] r4:00000001 [ 1329.734206][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.734248][ T32] Exception stack(0xeac2dfb0 to 0xeac2dff8) [ 1329.734274][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.734303][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.734360][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.734425][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.734451][ T32] r4:8522e880 [ 1329.734981][ T32] INFO: task kworker/0:223:4304 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.735021][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.735134][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1329.735517][ T32] dd20: ea507000 edddd000 00000001 80239b98 7fb69000 00000001 ** 16 printk messages dropped ** [ 1329.736149][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.736190][ T32] r5:84fe978c r4:84fe9400 [ 1329.736210][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.736256][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.736276][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 5 printk messages dropped ** [ 1329.736486][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 12 printk messages dropped ** [ 1329.737345][ T32] Call trace: ** 6 printk messages dropped ** [ 1329.737683][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1329.737989][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1329.738108][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 14 printk messages dropped ** [ 1329.738909][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 10 printk messages dropped ** [ 1329.763514][ T32] r4:00000000 ** 10 printk messages dropped ** [ 1329.764338][ T32] r4:e883ddc0 ** 9 printk messages dropped ** [ 1329.764873][ T32] r5:84fe978c r4:84fe9400 ** 7 printk messages dropped ** [ 1329.765232][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1329.765424][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 14 printk messages dropped ** [ 1329.766133][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.766176][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac5de08 [ 1329.766216][ T32] r4:00000000 [ 1329.766268][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.766340][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.766382][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.766425][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522ef00 [ 1329.766447][ T32] r4:00000000 [ 1329.766543][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.766646][ T32] r9:83018005 r8:8524e000 r7:00000000 r6:83018000 r5:00001000 r4:7f03d000 [ 1329.766713][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.766777][ T32] r5:00001000 r4:dfe39000 [ 1329.766801][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.766843][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.766975][ T32] r5:85150f8c r4:85150c00 [ 1329.767041][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.767159][ T32] r7:dddced80 r6:83018000 r5:85150f8c r4:8520e680 [ 1329.767215][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.767266][ T32] r10:61c88647 r9:8524e000 r8:8520e6ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1329.767309][ T32] r4:8520e680 [ 1329.767457][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 9 printk messages dropped ** [ 1329.768303][ T32] INFO: task kworker/0:225:4308 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.768340][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.768413][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.768465][ T32] Call trace: [ 1329.768497][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.768546][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.768570][ T32] r4:00000000 [ 1329.768641][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.768683][ T32] Exception stack(0xe883dd28 to 0xe883dd70) ** 2 printk messages dropped ** [ 1329.768790][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 15 printk messages dropped ** [ 1329.769657][ T32] r5:84fe978c r4:84fe9400 ** 9 printk messages dropped ** [ 1329.791213][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 7 printk messages dropped ** [ 1329.791467][ T32] Not tainted 6.15.0-syzkaller #0 ** 10 printk messages dropped ** [ 1329.792055][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1329.792331][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1329.792468][ T32] r5:00001000 r4:dfe9f000 ** 4 printk messages dropped ** [ 1329.792635][ T32] r7:dddced80 r6:83018000 r5:8515138c r4:8520e700 [ 1329.792657][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.792728][ T32] r10:61c88647 r9:8524ec00 r8:8520e72c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1329.792760][ T32] r4:8520e700 [ 1329.792829][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.792878][ T32] r10:00000000 r9:8520e700 r8:8027f5e8 r7:eac09e60 r6:852b0400 r5:8524ec00 [ 1329.792902][ T32] r4:00000001 [ 1329.793045][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.793204][ T32] Exception stack(0xeac75fb0 to 0xeac75ff8) [ 1329.793261][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.793293][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.793324][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.793378][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.793405][ T32] r4:8522ec40 [ 1329.793922][ T32] INFO: task kworker/0:226:4310 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.793957][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.794065][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.794145][ T32] Call trace: [ 1329.794315][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 13 printk messages dropped ** [ 1329.794850][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 12 printk messages dropped ** [ 1329.795602][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 16 printk messages dropped ** [ 1329.796387][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1329.796865][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eade9e08 ** 5 printk messages dropped ** [ 1329.797255][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1329.797417][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 13 printk messages dropped ** [ 1329.798384][ T32] Exception stack(0xeade9fb0 to 0xeade9ff8) ** 9 printk messages dropped ** [ 1329.799492][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 17 printk messages dropped ** [ 1329.824278][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 14 printk messages dropped ** [ 1329.825246][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 2 printk messages dropped ** [ 1329.825420][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.825452][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.825567][ T32] r4:84e5a440 [ 1329.825596][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.825669][ T32] INFO: task kworker/0:228:4315 blocked for more than 456 seconds. [ 1329.825791][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.825821][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.825857][ T32] task:kworker/0:228 state:D stack:0 pid:4315 tgid:4315 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.825974][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.826076][ T32] Call trace: [ 1329.826408][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.826511][ T32] r10:8291880c r9:eac91d84 r8:00000002 r7:60000013 r6:eac91d8c r5:84c82400 [ 1329.826540][ T32] r4:84c82400 [ 1329.826562][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.826604][ T32] r5:84c82400 r4:82918808 [ 1329.826713][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.826785][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.826913][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac91e08 [ 1329.827116][ T32] r4:00000000 [ 1329.827160][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.827202][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.827240][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.827316][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d99e00 [ 1329.827345][ T32] r4:00000000 [ 1329.827366][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.827412][ T32] r9:83018005 r8:84c82400 r7:00000000 r6:83018000 r5:00001000 r4:7f043000 [ 1329.827435][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.827476][ T32] r5:00001000 r4:e067b000 [ 1329.827574][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.827618][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.827739][ T32] r5:85151b8c r4:85151800 [ 1329.827772][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.827818][ T32] r7:dddced80 r6:83018000 r5:85151b8c r4:8520e880 [ 1329.827838][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.827884][ T32] r10:61c88647 r9:84c82400 r8:8520e8ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1329.827959][ T32] r4:8520e880 [ 1329.828011][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.828074][ T32] r10:00000000 r9:8520e880 r8:8027f5e8 r7:eac09e60 r6:8520e900 r5:84c82400 [ 1329.828125][ T32] r4:00000001 [ 1329.828149][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.828189][ T32] Exception stack(0xeac91fb0 to 0xeac91ff8) [ 1329.828242][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.828277][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.828304][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.828332][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.828355][ T32] r4:8522a080 [ 1329.828876][ T32] INFO: task kworker/0:228:4315 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.828937][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.829052][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.829165][ T32] Call trace: [ 1329.829214][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.829287][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.829392][ T32] r4:00000000 [ 1329.829416][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.829455][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.829560][ T32] dd20: eaeaa000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.829619][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.829685][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.829716][ T32] r5:80070013 r4:80239bb0 [ 1329.829812][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.843292][ T32] r4:82ac11a4 [ 1329.843343][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.843420][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.843470][ T32] r4:e883ddc0 [ 1329.843498][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.843546][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.843568][ T32] r4:00000000 [ 1329.843587][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.843632][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 4 printk messages dropped ** [ 1329.844074][ T32] r5:84fe978c r4:84fe9400 ** 8 printk messages dropped ** [ 1329.844442][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1329.844734][ T32] INFO: task kworker/0:229:4316 blocked for more than 456 seconds. ** 7 printk messages dropped ** [ 1329.845123][ T32] r4:84c83c00 ** 3 printk messages dropped ** [ 1329.845297][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1329.845697][ T32] r4:00000000 [ 1329.845721][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.845765][ T32] r9:83018005 r8:84c83c00 r7:00000000 r6:83018000 r5:00001000 r4:7f045000 ** 4 printk messages dropped ** [ 1329.845933][ T32] r5:85151f8c r4:85151c00 ** 5 printk messages dropped ** [ 1329.846364][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1329.846836][ T32] r4:8522a080 ** 3 printk messages dropped ** [ 1329.847555][ T32] Call trace: ** 5 printk messages dropped ** [ 1329.848087][ T32] dd20: eaeaa000 edddd000 00000001 80239b98 7fb69000 00000001 ** 10 printk messages dropped ** [ 1329.848494][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1329.848982][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.849031][ T32] r5:84fe978c r4:84fe9400 [ 1329.849087][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.849138][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.849187][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.849236][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.849276][ T32] r4:8454d880 [ 1329.849331][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.849404][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.849457][ T32] r4:00000001 [ 1329.849479][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.849517][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.849543][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.849584][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.849627][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.849659][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.849704][ T32] r4:84e5a440 [ 1329.849834][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.867505][ T32] INFO: task kworker/0:230:4319 blocked for more than 456 seconds. [ 1329.867575][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.867604][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.867628][ T32] task:kworker/0:230 state:D stack:0 pid:4319 tgid:4319 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.867726][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.867792][ T32] Call trace: [ 1329.867826][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.867900][ T32] r10:8291880c r9:eacbdd84 r8:00000002 r7:60000113 r6:eacbdd8c r5:84c84800 [ 1329.867928][ T32] r4:84c84800 [ 1329.867949][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.868044][ T32] r5:84c84800 r4:82918808 [ 1329.868084][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.868126][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.868170][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacbde08 [ 1329.868194][ T32] r4:00000000 [ 1329.868213][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.868248][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.868290][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.868339][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522a4c0 [ 1329.868363][ T32] r4:00000000 [ 1329.868383][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.868430][ T32] r9:83018005 r8:84c84800 r7:00000000 r6:83018000 r5:00001000 r4:7f049000 ** 1 printk messages dropped ** [ 1329.868492][ T32] r5:00001000 r4:e0707000 ** 10 printk messages dropped ** [ 1329.869021][ T32] r4:00000001 ** 10 printk messages dropped ** [ 1329.881375][ T32] Call trace: ** 10 printk messages dropped ** [ 1329.882049][ T32] r4:82ac11a4 ** 11 printk messages dropped ** [ 1329.883307][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 17 printk messages dropped ** [ 1329.884316][ T32] INFO: task kworker/0:231:4320 blocked for more than 456 seconds. ** 17 printk messages dropped ** [ 1329.885508][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522a6c0 ** 7 printk messages dropped ** [ 1329.885870][ T32] r5:85152b8c r4:85152800 ** 7 printk messages dropped ** [ 1329.886147][ T32] r4:00000001 [ 1329.886166][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.886236][ T32] Exception stack(0xeacb1fb0 to 0xeacb1ff8) [ 1329.886264][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.886293][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.886319][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.886398][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.886453][ T32] r4:8522a200 [ 1329.886962][ T32] INFO: task kworker/0:231:4320 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.886998][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.887098][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.887147][ T32] Call trace: [ 1329.887186][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.887238][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.887279][ T32] r4:00000000 [ 1329.887396][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.887590][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.887624][ T32] dd20: eb35b000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.887654][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.887679][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.887703][ T32] r5:80070013 r4:80239bb0 [ 1329.887746][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.887796][ T32] r4:82ac11a4 [ 1329.887818][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.887957][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.888042][ T32] r4:e883ddc0 [ 1329.888256][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.888309][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.888332][ T32] r4:00000000 [ 1329.888353][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.888396][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.888446][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.888495][ T32] r5:00001000 r4:e47a2000 [ 1329.888570][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.888693][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.888739][ T32] r5:84fe978c r4:84fe9400 [ 1329.888760][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.888859][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.889052][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.889103][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.889153][ T32] r4:8454d880 [ 1329.889176][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.889222][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.889260][ T32] r4:00000001 [ 1329.889284][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.889373][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.889404][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.889433][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.889460][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.889515][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.889658][ T32] r4:84e5a440 [ 1329.889683][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.889710][ T32] INFO: task kworker/0:232:4324 blocked for more than 456 seconds. [ 1329.889740][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.910352][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.910501][ T32] task:kworker/0:232 state:D stack:0 pid:4324 tgid:4324 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1329.910933][ T32] r10:8291880c r9:eacc9d84 r8:00000002 r7:60000013 r6:eacc9d8c r5:84c86000 ** 5 printk messages dropped ** [ 1329.911245][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacc9e08 ** 4 printk messages dropped ** [ 1329.911413][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522a7c0 [ 1329.911464][ T32] r4:00000000 [ 1329.911489][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.911537][ T32] r9:83018005 r8:84c86000 r7:00000000 r6:83018000 r5:00001000 r4:7f04d000 ** 1 printk messages dropped ** [ 1329.911601][ T32] r5:00001000 r4:ea8bf000 ** 2 printk messages dropped ** [ 1329.911701][ T32] r5:85152f8c r4:85152c00 ** 3 printk messages dropped ** [ 1329.911904][ T32] r10:61c88647 r9:84c86000 r8:8520ecac r7:82804d40 r6:dddced80 r5:dddceda0 ** 4 printk messages dropped ** [ 1329.912204][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1329.912481][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1329.913150][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1329.913456][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1329.913599][ T32] dd20: eb66a000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.913633][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.913664][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.913717][ T32] r5:80070013 r4:80239bb0 [ 1329.913741][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.913800][ T32] r4:82ac11a4 [ 1329.913825][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.913874][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.913897][ T32] r4:e883ddc0 [ 1329.913915][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.913992][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.914020][ T32] r4:00000000 [ 1329.914048][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.914093][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.914141][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.914214][ T32] r5:00001000 r4:e47a2000 [ 1329.914239][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.914297][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.914343][ T32] r5:84fe978c r4:84fe9400 [ 1329.914364][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.914424][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.914449][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.914495][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.914545][ T32] r4:8454d880 [ 1329.914592][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.914641][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.914686][ T32] r4:00000001 [ 1329.914736][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.914801][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.914832][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.914860][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.914886][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.914913][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.914945][ T32] r4:84e5a440 [ 1329.914969][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.914999][ T32] INFO: task kworker/0:233:4325 blocked for more than 456 seconds. [ 1329.915044][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.915071][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.915093][ T32] task:kworker/0:233 state:D stack:0 pid:4325 tgid:4325 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.915137][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.915202][ T32] Call trace: [ 1329.915292][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.915343][ T32] r10:8291880c r9:eace1d84 r8:00000002 r7:60000013 r6:eace1d8c r5:84c86c00 [ 1329.915367][ T32] r4:84c86c00 [ 1329.915386][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.915424][ T32] r5:84c86c00 r4:82918808 [ 1329.915445][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.915510][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.915558][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eace1e08 [ 1329.915599][ T32] r4:00000000 [ 1329.915622][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.915684][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.915751][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.915798][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522a940 [ 1329.915846][ T32] r4:00000000 [ 1329.915870][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.915914][ T32] r9:83018005 r8:84c86c00 r7:00000000 r6:83018000 r5:00001000 r4:7f04f000 [ 1329.915936][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.915978][ T32] r5:00001000 r4:ea8d9000 [ 1329.915998][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.916043][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.916084][ T32] r5:8515338c r4:85153000 [ 1329.916129][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.916177][ T32] r7:dddced80 r6:83018000 r5:8515338c r4:8520ed80 [ 1329.916210][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.916259][ T32] r10:61c88647 r9:84c86c00 r8:8520edac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1329.916282][ T32] r4:8520ed80 [ 1329.916302][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.916371][ T32] r10:00000000 r9:8520ed80 r8:8027f5e8 r7:eacc9e60 r6:8520ee00 r5:84c86c00 [ 1329.916400][ T32] r4:00000001 [ 1329.916420][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.916487][ T32] Exception stack(0xeace1fb0 to 0xeace1ff8) [ 1329.916518][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1329.916622][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.916653][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.916683][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.916706][ T32] r4:8522a5c0 [ 1329.917078][ T32] INFO: task kworker/0:233:4325 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.917113][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.917171][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.917279][ T32] Call trace: [ 1329.917341][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.917439][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.917467][ T32] r4:00000000 [ 1329.917487][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.917524][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.917553][ T32] dd20: eb66a000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.917583][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.917608][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.917643][ T32] r5:80070013 r4:80239bb0 [ 1329.917669][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.917715][ T32] r4:82ac11a4 [ 1329.917735][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.917783][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.917856][ T32] r4:e883ddc0 [ 1329.917880][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.917929][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.917977][ T32] r4:00000000 [ 1329.918002][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.918059][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.918083][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.918128][ T32] r5:00001000 r4:e47a2000 [ 1329.918149][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.918187][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.918261][ T32] r5:84fe978c r4:84fe9400 [ 1329.918283][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.918354][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.918404][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.918453][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.918476][ T32] r4:8454d880 [ 1329.918518][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.918565][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.918587][ T32] r4:00000001 [ 1329.918606][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.918642][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.918670][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.918726][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.918758][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.918787][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.918827][ T32] r4:84e5a440 [ 1329.918852][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.918878][ T32] INFO: task kworker/0:234:4327 blocked for more than 456 seconds. [ 1329.918933][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.918985][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.919011][ T32] task:kworker/0:234 state:D stack:0 pid:4327 tgid:4327 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.919086][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.919132][ T32] Call trace: [ 1329.919163][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.919210][ T32] r10:8291880c r9:eacedd84 r8:00000002 r7:60000013 r6:eacedd8c r5:84c83000 [ 1329.919309][ T32] r4:84c83000 [ 1329.919386][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.919508][ T32] r5:84c83000 r4:82918808 [ 1329.919559][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.919604][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.919653][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacede08 [ 1329.919680][ T32] r4:00000000 [ 1329.919700][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.919737][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.919835][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.949356][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522ac40 [ 1329.949408][ T32] r4:00000000 [ 1329.949435][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.949506][ T32] r9:83018005 r8:84c83000 r7:00000000 r6:83018000 r5:00001000 r4:7f053000 [ 1329.949528][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.949573][ T32] r5:00001000 r4:ea931000 [ 1329.949593][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.949633][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.949694][ T32] r5:85153b8c r4:85153800 [ 1329.949869][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.960481][ T32] r7:dddced80 r6:83018000 r5:85153b8c r4:8520ee80 [ 1329.960542][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.960619][ T32] r10:61c88647 r9:84c83000 r8:8520eeac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1329.960658][ T32] r4:8520ee80 [ 1329.960735][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.960792][ T32] r10:00000000 r9:8520ee80 r8:8027f5e8 r7:eace1e60 r6:8520ef00 r5:84c83000 [ 1329.960846][ T32] r4:00000001 [ 1329.960871][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.960915][ T32] Exception stack(0xeacedfb0 to 0xeacedff8) [ 1329.960949][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.960981][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.961010][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.961049][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.961076][ T32] r4:8522aa00 [ 1329.961584][ T32] INFO: task kworker/0:234:4327 is blocked on a mutex likely owned by task kworker/1:172:3871. ** 4 printk messages dropped ** [ 1329.961926][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 10 printk messages dropped ** [ 1329.962411][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 9 printk messages dropped ** [ 1329.962769][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.962811][ T32] r5:84fe978c r4:84fe9400 [ 1329.962831][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.962875][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.962896][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.962940][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.962989][ T32] r4:8454d880 [ 1329.963022][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.963077][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.963099][ T32] r4:00000001 [ 1329.963119][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.963206][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.963265][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.963322][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.963354][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.963410][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.963436][ T32] r4:84e5a440 [ 1329.963464][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.963497][ T32] INFO: task kworker/0:235:4329 blocked for more than 456 seconds. [ 1329.963533][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.963558][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.963633][ T32] task:kworker/0:235 state:D stack:0 pid:4329 tgid:4329 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.963765][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.963818][ T32] Call trace: [ 1329.963875][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.963954][ T32] r10:8291880c r9:eacfdd84 r8:00000002 r7:60000013 r6:eacfdd8c r5:847a8c00 [ 1329.963980][ T32] r4:847a8c00 [ 1329.964006][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.964056][ T32] r5:847a8c00 r4:82918808 [ 1329.964128][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.964208][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.964314][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacfde08 [ 1329.964367][ T32] r4:00000000 [ 1329.964390][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.964446][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.964487][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.964558][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522aac0 [ 1329.964585][ T32] r4:00000000 [ 1329.964606][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.964650][ T32] r9:83018005 r8:847a8c00 r7:00000000 r6:83018000 r5:00001000 r4:7f051000 [ 1329.964671][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.964711][ T32] r5:00001000 r4:ea909000 [ 1329.964760][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.964805][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.964889][ T32] r5:8515378c r4:85153400 [ 1329.964963][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.965011][ T32] r7:dddced80 r6:83018000 r5:8515378c r4:8520ef80 [ 1329.965049][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.965098][ T32] r10:61c88647 r9:847a8c00 r8:8520efac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1329.965122][ T32] r4:8520ef80 [ 1329.965141][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.965207][ T32] r10:00000000 r9:8520ef80 r8:8027f5e8 r7:eacede60 r6:85213000 r5:847a8c00 [ 1329.965260][ T32] r4:00000001 [ 1329.965309][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.965402][ T32] Exception stack(0xeacfdfb0 to 0xeacfdff8) [ 1329.965431][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.965513][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.965547][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.965603][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.965660][ T32] r4:8522a8c0 [ 1329.966024][ T32] INFO: task kworker/0:235:4329 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.966215][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.966311][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.966361][ T32] Call trace: [ 1329.966422][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.966548][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.966660][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1329.966724][ T32] Exception stack(0xe883dd28 to 0xe883dd70) ** 2 printk messages dropped ** [ 1329.966864][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 4 printk messages dropped ** [ 1329.967030][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 5 printk messages dropped ** [ 1329.967285][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 3 printk messages dropped ** [ 1329.967413][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1329.967651][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1329.968016][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 3 printk messages dropped ** [ 1329.968192][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1329.968374][ T32] Not tainted 6.15.0-syzkaller #0 ** 3 printk messages dropped ** [ 1329.968571][ T32] Call trace: ** 2 printk messages dropped ** [ 1329.968703][ T32] r4:84f9d400 ** 2 printk messages dropped ** [ 1329.968893][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1329.969228][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.969352][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.969415][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852070c0 [ 1329.969468][ T32] r4:00000000 [ 1329.969493][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.969539][ T32] r9:83018005 r8:84f9d400 r7:00000000 r6:83018000 r5:00001000 r4:7f05b000 [ 1329.969560][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.969601][ T32] r5:00001000 r4:eac41000 [ 1329.969620][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.969658][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.969697][ T32] r5:85158b8c r4:85158800 [ 1329.969717][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.984223][ T32] r7:dddced80 r6:83018000 r5:85158b8c r4:85213080 [ 1329.984365][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.984445][ T32] r10:61c88647 r9:84f9d400 r8:852130ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1329.984470][ T32] r4:85213080 [ 1329.984491][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.984553][ T32] r10:00000000 r9:85213080 r8:8027f5e8 r7:eacede60 r6:85213100 r5:84f9d400 [ 1329.984581][ T32] r4:00000001 [ 1329.984601][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.984645][ T32] Exception stack(0xead0dfb0 to 0xead0dff8) [ 1329.984678][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.984732][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.984789][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.984823][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.984845][ T32] r4:8522aa40 [ 1329.985366][ T32] INFO: task kworker/0:236:4331 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1329.985443][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.985630][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.985739][ T32] Call trace: [ 1329.985828][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1329.985881][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1329.985905][ T32] r4:00000000 [ 1329.985950][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1329.986041][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1329.986101][ T32] dd20: ebefa000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1329.986136][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1329.986162][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1329.986227][ T32] r5:80070013 r4:80239bb0 [ 1329.986290][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1329.986384][ T32] r4:82ac11a4 [ 1329.986435][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1329.986645][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1329.986672][ T32] r4:e883ddc0 [ 1329.986692][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.986816][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1329.986842][ T32] r4:00000000 [ 1329.986862][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.986908][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1329.986981][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.987052][ T32] r5:00001000 r4:e47a2000 [ 1329.987156][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.987221][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.987268][ T32] r5:84fe978c r4:84fe9400 [ 1329.987289][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.987362][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1329.987386][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.987433][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1329.987482][ T32] r4:8454d880 [ 1329.987505][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.987549][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1329.987577][ T32] r4:00000001 [ 1329.987599][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.987664][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1329.987694][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1329.987724][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1329.987753][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1329.987817][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1329.987857][ T32] r4:84e5a440 [ 1329.987881][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1329.987929][ T32] INFO: task kworker/0:237:4333 blocked for more than 456 seconds. [ 1329.987992][ T32] Not tainted 6.15.0-syzkaller #0 [ 1329.988019][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1329.988047][ T32] task:kworker/0:237 state:D stack:0 pid:4333 tgid:4333 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1329.988156][ T32] Workqueue: events bpf_prog_free_deferred [ 1329.988386][ T32] Call trace: [ 1329.988451][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1329.988518][ T32] r10:8291880c r9:eacd5d84 r8:00000002 r7:60000113 r6:eacd5d8c r5:84e90000 [ 1329.988545][ T32] r4:84e90000 [ 1329.988565][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1329.988604][ T32] r5:84e90000 r4:82918808 [ 1329.988624][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1329.988663][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1329.988706][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacd5e08 [ 1329.988729][ T32] r4:00000000 [ 1329.988767][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1329.988840][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1329.988884][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1329.988932][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522af00 [ 1329.988957][ T32] r4:00000000 [ 1329.988977][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1329.989024][ T32] r9:83018005 r8:84e90000 r7:00000000 r6:83018000 r5:00001000 r4:7f057000 [ 1329.989064][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1329.989107][ T32] r5:00001000 r4:eabbd000 [ 1329.989183][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1329.989227][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1329.989271][ T32] r5:8515838c r4:85158000 [ 1329.989293][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1329.989336][ T32] r7:dddced80 r6:83018000 r5:8515838c r4:85213200 [ 1329.989372][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1329.989423][ T32] r10:61c88647 r9:84e90000 r8:8521322c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1329.989513][ T32] r4:85213200 [ 1329.989537][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1329.989582][ T32] r10:00000000 r9:85213200 r8:8027f5e8 r7:ead0de60 r6:85213180 r5:84e90000 [ 1329.989605][ T32] r4:00000001 [ 1329.989641][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1329.989731][ T32] Exception stack(0xeacd5fb0 to 0xeacd5ff8) [ 1329.989763][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1329.989864][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.008709][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.008775][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.008803][ T32] r4:8522af80 [ 1330.009315][ T32] INFO: task kworker/0:237:4333 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1330.009382][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.009462][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.009527][ T32] Call trace: [ 1330.009559][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.009616][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1330.009641][ T32] r4:00000000 [ 1330.009661][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.009719][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1330.020431][ T32] dd20: ec0ea000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1330.020543][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 3 printk messages dropped ** [ 1330.020730][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1330.020927][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 ** 4 printk messages dropped ** [ 1330.021227][ T32] r5:00001000 r4:e47a2000 ** 2 printk messages dropped ** [ 1330.021335][ T32] r5:84fe978c r4:84fe9400 ** 1 printk messages dropped ** [ 1330.021413][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 1 printk messages dropped ** [ 1330.021553][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.021581][ T32] r4:8454d880 [ 1330.021602][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.021649][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1330.021700][ T32] r4:00000001 [ 1330.021737][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.021779][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1330.021821][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.021853][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.021881][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.021910][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.021934][ T32] r4:84e5a440 [ 1330.021959][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.022004][ T32] INFO: task kworker/1:369:4335 blocked for more than 456 seconds. [ 1330.022047][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.022074][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.022098][ T32] task:kworker/1:369 state:D stack:0 pid:4335 tgid:4335 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.022154][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.022266][ T32] Call trace: [ 1330.022320][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.022378][ T32] r10:8291880c r9:ead79d84 r8:00000002 r7:60000113 r6:ead79d8c r5:84e90c00 [ 1330.022402][ T32] r4:84e90c00 [ 1330.022422][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.022462][ T32] r5:84e90c00 r4:82918808 [ 1330.022483][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.022548][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.022596][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead79e08 [ 1330.022619][ T32] r4:00000000 [ 1330.022639][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.022688][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.022745][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.022826][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d88c0 [ 1330.022854][ T32] r4:00000000 [ 1330.022875][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.022918][ T32] r9:83018205 r8:84e90c00 r7:00000000 r6:83018200 r5:00001000 r4:7f031000 [ 1330.022939][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.022995][ T32] r5:00001000 r4:dfd15000 [ 1330.023020][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.023094][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.023169][ T32] r5:8527b78c r4:8527b400 [ 1330.023193][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.023238][ T32] r7:ddde2d80 r6:83018200 r5:8527b78c r4:852b0480 [ 1330.023266][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.023338][ T32] r10:61c88647 r9:84e90c00 r8:852b04ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.023367][ T32] r4:852b0480 [ 1330.023387][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.023432][ T32] r10:00000000 r9:852b0480 r8:8027f5e8 r7:eadb9e60 r6:85213280 r5:84e90c00 [ 1330.023461][ T32] r4:00000001 [ 1330.023481][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.023518][ T32] Exception stack(0xead79fb0 to 0xead79ff8) [ 1330.023544][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.023572][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.023599][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.023626][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.023648][ T32] r4:852ae400 [ 1330.024158][ T32] INFO: task kworker/1:369:4335 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1330.024220][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.024286][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.024333][ T32] Call trace: [ 1330.024398][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.024450][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1330.024474][ T32] r4:00000000 [ 1330.024494][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.024532][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1330.024572][ T32] dd20: ec598000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1330.024605][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1330.024658][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.024686][ T32] r5:80070013 r4:80239bb0 [ 1330.024733][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.024782][ T32] r4:82ac11a4 [ 1330.024802][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.024850][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1330.024873][ T32] r4:e883ddc0 [ 1330.024892][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.024962][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1330.024988][ T32] r4:00000000 [ 1330.025008][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.025089][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1330.025117][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.025179][ T32] r5:00001000 r4:e47a2000 [ 1330.025203][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.025243][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.025284][ T32] r5:84fe978c r4:84fe9400 [ 1330.025305][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.025351][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1330.025379][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.025425][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.025461][ T32] r4:8454d880 [ 1330.025484][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.025533][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1330.025585][ T32] r4:00000001 [ 1330.025620][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.025685][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1330.025715][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.025746][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.025773][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.025828][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.025854][ T32] r4:84e5a440 [ 1330.025894][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.025923][ T32] INFO: task kworker/0:238:4336 blocked for more than 456 seconds. [ 1330.025977][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.026004][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.026026][ T32] task:kworker/0:238 state:D stack:0 pid:4336 tgid:4336 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 1 printk messages dropped ** [ 1330.026218][ T32] Call trace: [ 1330.026256][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.026307][ T32] r10:8291880c r9:ead7dd84 r8:00000002 r7:60000013 r6:ead7dd8c r5:84e91800 [ 1330.026356][ T32] r4:84e91800 [ 1330.026384][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.026426][ T32] r5:84e91800 r4:82918808 [ 1330.026550][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.026645][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.026708][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead7de08 [ 1330.026734][ T32] r4:00000000 [ 1330.026754][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.026790][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.026825][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.026868][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522e580 [ 1330.026890][ T32] r4:00000000 [ 1330.026909][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.026951][ T32] r9:83018005 r8:84e91800 r7:00000000 r6:83018000 r5:00001000 r4:7f059000 [ 1330.026972][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.027012][ T32] r5:00001000 r4:eac11000 [ 1330.027042][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.027083][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.027177][ T32] r5:8515878c r4:85158400 [ 1330.027202][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.027248][ T32] r7:dddced80 r6:83018000 r5:8515878c r4:85213300 [ 1330.027268][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.027313][ T32] r10:61c88647 r9:84e91800 r8:8521332c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.027428][ T32] r4:85213300 [ 1330.027452][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.027512][ T32] r10:00000000 r9:85213300 r8:8027f5e8 r7:ead0de60 r6:85213380 r5:84e91800 [ 1330.027564][ T32] r4:00000001 [ 1330.027639][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.027711][ T32] Exception stack(0xead7dfb0 to 0xead7dff8) [ 1330.027828][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.027912][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.027942][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.027991][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.028017][ T32] r4:8522e100 [ 1330.028354][ T32] INFO: task kworker/0:238:4336 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1330.028388][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.028495][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.028627][ T32] Call trace: [ 1330.028662][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.028712][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1330.028735][ T32] r4:00000000 [ 1330.028754][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.028791][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1330.028820][ T32] dd20: ec598000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1330.028848][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1330.028874][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.028897][ T32] r5:80070013 r4:80239bb0 [ 1330.028917][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.028973][ T32] r4:82ac11a4 [ 1330.029012][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.029082][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1330.029110][ T32] r4:e883ddc0 [ 1330.029129][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.029224][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1330.029251][ T32] r4:00000000 [ 1330.029273][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.029343][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1330.029370][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.029433][ T32] r5:00001000 r4:e47a2000 [ 1330.029457][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.029499][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.029540][ T32] r5:84fe978c r4:84fe9400 [ 1330.029560][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.029622][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1330.029648][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.029695][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.029718][ T32] r4:8454d880 [ 1330.029811][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.051628][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1330.051683][ T32] r4:00000001 [ 1330.051747][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.051823][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1330.051863][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.051902][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.051938][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.051977][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.052006][ T32] r4:84e5a440 [ 1330.052046][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.052105][ T32] INFO: task kworker/0:239:4339 blocked for more than 456 seconds. [ 1330.052176][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.052240][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.052296][ T32] task:kworker/0:239 state:D stack:0 pid:4339 tgid:4339 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.052387][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.052444][ T32] Call trace: [ 1330.052508][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.052567][ T32] r10:8291880c r9:eae05d84 r8:00000002 r7:60000013 r6:eae05d8c r5:84e92400 [ 1330.052604][ T32] r4:84e92400 [ 1330.052655][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.052702][ T32] r5:84e92400 r4:82918808 ** 1 printk messages dropped ** [ 1330.052765][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1330.053049][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85207000 [ 1330.053074][ T32] r4:00000000 [ 1330.053129][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 1 printk messages dropped ** [ 1330.053288][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1330.053550][ T32] r5:85158f8c r4:85158c00 [ 1330.053574][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.053646][ T32] r7:dddced80 r6:83018000 r5:85158f8c r4:85213400 [ 1330.053720][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.053769][ T32] r10:61c88647 r9:84e92400 r8:8521342c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.053791][ T32] r4:85213400 [ 1330.053835][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.053907][ T32] r10:00000000 r9:85213400 r8:8027f5e8 r7:ead0de60 r6:85213480 r5:84e92400 [ 1330.053960][ T32] r4:00000001 [ 1330.053995][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.054041][ T32] Exception stack(0xeae05fb0 to 0xeae05ff8) [ 1330.054083][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1330.054140][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.054182][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.054263][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.054317][ T32] r4:85207000 [ 1330.054820][ T32] INFO: task kworker/0:239:4339 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1330.054857][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.054968][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.055048][ T32] Call trace: [ 1330.055081][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.055155][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1330.055237][ T32] r4:00000000 [ 1330.055288][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.055362][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1330.055420][ T32] dd20: ec9ca000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1330.055478][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1330.055506][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.055555][ T32] r5:80070013 r4:80239bb0 [ 1330.055579][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.055625][ T32] r4:82ac11a4 [ 1330.055658][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.055708][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1330.055731][ T32] r4:e883ddc0 [ 1330.055788][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.055861][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1330.055937][ T32] r4:00000000 [ 1330.055960][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.056004][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1330.056027][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.056075][ T32] r5:00001000 r4:e47a2000 [ 1330.056096][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.056134][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.056200][ T32] r5:84fe978c r4:84fe9400 [ 1330.056224][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.056298][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1330.056322][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.056415][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.056441][ T32] r4:8454d880 [ 1330.056461][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.056504][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1330.056629][ T32] r4:00000001 [ 1330.056652][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.056765][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1330.056850][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.056882][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.056909][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.056953][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.056988][ T32] r4:84e5a440 [ 1330.057010][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.057066][ T32] INFO: task kworker/0:240:4341 blocked for more than 456 seconds. [ 1330.057100][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.057175][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.057200][ T32] task:kworker/0:240 state:D stack:0 pid:4341 tgid:4341 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.057245][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.057288][ T32] Call trace: [ 1330.057318][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.057365][ T32] r10:8291880c r9:eae1dd84 r8:00000002 r7:60000013 r6:eae1dd8c r5:8524d400 [ 1330.057387][ T32] r4:8524d400 [ 1330.057407][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.057472][ T32] r5:8524d400 r4:82918808 [ 1330.057522][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.057562][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.057603][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae1de08 [ 1330.057651][ T32] r4:00000000 [ 1330.057674][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.057736][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.057789][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.057860][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85207440 [ 1330.057910][ T32] r4:00000000 [ 1330.057935][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.057980][ T32] r9:83018005 r8:8524d400 r7:00000000 r6:83018000 r5:00001000 r4:7f05f000 [ 1330.058026][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.058097][ T32] r5:00001000 r4:eac85000 [ 1330.058128][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.058213][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.058272][ T32] r5:8515938c r4:85159000 [ 1330.058294][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.058338][ T32] r7:dddced80 r6:83018000 r5:8515938c r4:85213500 [ 1330.058358][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.058403][ T32] r10:61c88647 r9:8524d400 r8:8521352c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.058427][ T32] r4:85213500 [ 1330.058446][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.058488][ T32] r10:00000000 r9:85213500 r8:8027f5e8 r7:eae05e60 r6:852b0500 r5:8524d400 [ 1330.058510][ T32] r4:00000001 [ 1330.058528][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.058562][ T32] Exception stack(0xeae1dfb0 to 0xeae1dff8) [ 1330.058611][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.058643][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.058670][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.058764][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.058789][ T32] r4:852071c0 [ 1330.059127][ T32] INFO: task kworker/0:240:4341 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1330.059189][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.059303][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.059377][ T32] Call trace: [ 1330.059430][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.059482][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1330.059505][ T32] r4:00000000 [ 1330.059524][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.059561][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1330.059614][ T32] dd20: ec9ca000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1330.059646][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1330.059672][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.059695][ T32] r5:80070013 r4:80239bb0 [ 1330.059716][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.059835][ T32] r4:82ac11a4 [ 1330.076590][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.076712][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1330.076749][ T32] r4:e883ddc0 [ 1330.076771][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.076819][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1330.076841][ T32] r4:00000000 [ 1330.076886][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.076966][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1330.076993][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.077052][ T32] r5:00001000 r4:e47a2000 [ 1330.077092][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.077136][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.077185][ T32] r5:84fe978c r4:84fe9400 [ 1330.077208][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.077256][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1330.077277][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.077322][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.077346][ T32] r4:8454d880 [ 1330.077365][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.077408][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1330.077481][ T32] r4:00000001 [ 1330.077506][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.077545][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1330.077575][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.077604][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.077631][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.077660][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.077708][ T32] r4:84e5a440 [ 1330.077735][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.077770][ T32] INFO: task kworker/0:241:4343 blocked for more than 456 seconds. [ 1330.077807][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.077831][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.077889][ T32] task:kworker/0:241 state:D stack:0 pid:4343 tgid:4343 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.077979][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.078205][ T32] Call trace: [ 1330.078355][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.078413][ T32] r10:8291880c r9:eae29d84 r8:00000002 r7:60000013 r6:eae29d8c r5:85250000 ** 5 printk messages dropped ** [ 1330.078669][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae29e08 ** 4 printk messages dropped ** [ 1330.079077][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85207580 [ 1330.079208][ T32] r4:00000000 [ 1330.079239][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 1 printk messages dropped ** [ 1330.079378][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1330.079671][ T32] r5:8515978c r4:85159400 ** 1 printk messages dropped ** [ 1330.096447][ T32] r7:dddced80 r6:83018000 r5:8515978c r4:85213580 ** 4 printk messages dropped ** [ 1330.096816][ T32] r10:00000000 r9:85213580 r8:8027f5e8 r7:eae1de60 r6:852b0580 r5:85250000 ** 9 printk messages dropped ** [ 1330.097704][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 14 printk messages dropped ** [ 1330.098544][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 9 printk messages dropped ** [ 1330.099019][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1330.099337][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1330.099503][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1330.107655][ T32] r10:8291880c r9:eae3dd84 r8:00000002 r7:60000113 r6:eae3dd8c r5:85251800 ** 8 printk messages dropped ** [ 1330.108045][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 1 printk messages dropped ** [ 1330.108200][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85207840 ** 7 printk messages dropped ** [ 1330.108492][ T32] r5:85159f8c r4:85159c00 ** 3 printk messages dropped ** [ 1330.108644][ T32] r10:61c88647 r9:85251800 r8:8521362c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1330.109043][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1330.122996][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1330.123065][ T32] r4:00000000 [ 1330.123091][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.123132][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1330.123162][ T32] dd20: ed046000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1330.123190][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1330.123217][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.123241][ T32] r5:80070013 r4:80239bb0 [ 1330.123261][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.123306][ T32] r4:82ac11a4 [ 1330.123353][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.123406][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1330.123429][ T32] r4:e883ddc0 [ 1330.123453][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.123497][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1330.123535][ T32] r4:00000000 [ 1330.123565][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.123637][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1330.123663][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.123718][ T32] r5:00001000 r4:e47a2000 [ 1330.123742][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.123782][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.123824][ T32] r5:84fe978c r4:84fe9400 [ 1330.123846][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.123892][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1330.123914][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.123958][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.123993][ T32] r4:8454d880 [ 1330.124042][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.124091][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1330.124113][ T32] r4:00000001 [ 1330.124133][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.124166][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1330.124192][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.124234][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.124266][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.124295][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.124345][ T32] r4:84e5a440 [ 1330.124372][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.124428][ T32] INFO: task kworker/0:243:4346 blocked for more than 456 seconds. [ 1330.124478][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.124506][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.124528][ T32] task:kworker/0:243 state:D stack:0 pid:4346 tgid:4346 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.124603][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.124661][ T32] Call trace: [ 1330.124739][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.124792][ T32] r10:8291880c r9:eae11d84 r8:00000002 r7:60000113 r6:eae11d8c r5:84e93000 [ 1330.124842][ T32] r4:84e93000 [ 1330.124903][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.124947][ T32] r5:84e93000 r4:82918808 [ 1330.124993][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.125068][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.125114][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae11e08 [ 1330.125154][ T32] r4:00000000 [ 1330.125207][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.125246][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.125284][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.125326][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852076c0 [ 1330.125348][ T32] r4:00000000 [ 1330.125432][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.125558][ T32] r9:83018005 r8:84e93000 r7:00000000 r6:83018000 r5:00001000 r4:7f0ab000 [ 1330.125584][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.125625][ T32] r5:00001000 r4:eacd1000 [ 1330.125644][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.125682][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.125721][ T32] r5:85159b8c r4:85159800 [ 1330.125769][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.125815][ T32] r7:dddced80 r6:83018000 r5:85159b8c r4:85213680 [ 1330.125836][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.125882][ T32] r10:61c88647 r9:84e93000 r8:852136ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.125912][ T32] r4:85213680 [ 1330.125932][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.125977][ T32] r10:00000000 r9:85213680 r8:8027f5e8 r7:eae3de60 r6:85213700 r5:84e93000 [ 1330.125998][ T32] r4:00000001 [ 1330.126088][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.126130][ T32] Exception stack(0xeae11fb0 to 0xeae11ff8) [ 1330.126162][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1330.126215][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.126244][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.126272][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.126335][ T32] r4:85207400 [ 1330.126831][ T32] INFO: task kworker/0:243:4346 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1330.126890][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.127010][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.127069][ T32] Call trace: [ 1330.127101][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.127150][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1330.127181][ T32] r4:00000000 [ 1330.127218][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 2 printk messages dropped ** [ 1330.127361][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 11 printk messages dropped ** [ 1330.127931][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 8 printk messages dropped ** [ 1330.128528][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.128550][ T32] r4:8454d880 [ 1330.128607][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.128888][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1330.128916][ T32] r4:00000001 [ 1330.128987][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.129027][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1330.129169][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.129234][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.129273][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.129315][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.129366][ T32] r4:84e5a440 [ 1330.129442][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.129472][ T32] INFO: task kworker/0:244:4349 blocked for more than 456 seconds. [ 1330.129578][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.129611][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.129635][ T32] task:kworker/0:244 state:D stack:0 pid:4349 tgid:4349 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.129679][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.129720][ T32] Call trace: [ 1330.129797][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.145313][ T32] r10:8291880c r9:eae2dd84 r8:00000002 r7:60000113 r6:eae2dd8c r5:84e93c00 [ 1330.145383][ T32] r4:84e93c00 [ 1330.145414][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.145477][ T32] r5:84e93c00 r4:82918808 [ 1330.145587][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.145635][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.145784][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae2de08 [ 1330.145813][ T32] r4:00000000 [ 1330.145833][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.145980][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.146029][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.146085][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85207e80 [ 1330.146112][ T32] r4:00000000 [ 1330.146149][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.146259][ T32] r9:83018005 r8:84e93c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0b5000 [ 1330.146317][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.146419][ T32] r5:00001000 r4:ead49000 [ 1330.146618][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.146718][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.146766][ T32] r5:8515af8c r4:8515ac00 [ 1330.146839][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.146891][ T32] r7:dddced80 r6:83018000 r5:8515af8c r4:85213780 [ 1330.146931][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.146980][ T32] r10:61c88647 r9:84e93c00 r8:852137ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.147046][ T32] r4:85213780 [ 1330.147076][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.147169][ T32] r10:00000000 r9:85213780 r8:8027f5e8 r7:eae3de60 r6:85213800 r5:84e93c00 [ 1330.147196][ T32] r4:00000001 [ 1330.147294][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.147340][ T32] Exception stack(0xeae2dfb0 to 0xeae2dff8) [ 1330.147374][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.147405][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.147433][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.147521][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.147548][ T32] r4:85207640 ** 1 printk messages dropped ** [ 1330.148122][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1330.148964][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 4 printk messages dropped ** [ 1330.149164][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 3 printk messages dropped ** [ 1330.149411][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1330.149635][ T32] r5:00001000 r4:e47a2000 ** 2 printk messages dropped ** [ 1330.166843][ T32] r5:84fe978c r4:84fe9400 ** 1 printk messages dropped ** [ 1330.167054][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 7 printk messages dropped ** [ 1330.167337][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) ** 6 printk messages dropped ** [ 1330.167538][ T32] INFO: task kworker/0:245:4350 blocked for more than 456 seconds. ** 7 printk messages dropped ** [ 1330.168005][ T32] r4:84e94800 ** 4 printk messages dropped ** [ 1330.168471][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae15e08 ** 4 printk messages dropped ** [ 1330.168819][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85207a80 ** 4 printk messages dropped ** [ 1330.169246][ T32] r5:00001000 r4:ead17000 ** 2 printk messages dropped ** [ 1330.169421][ T32] r5:8515a38c r4:8515a000 ** 2 printk messages dropped ** [ 1330.169565][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 5 printk messages dropped ** [ 1330.182394][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1330.182674][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1330.183330][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.183399][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.183456][ T32] Call trace: [ 1330.183488][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.183566][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1330.183621][ T32] r4:00000000 [ 1330.183670][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.183711][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1330.183740][ T32] dd20: ed747000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1330.183781][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1330.183836][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.183888][ T32] r5:80070013 r4:80239bb0 [ 1330.183925][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.183976][ T32] r4:82ac11a4 [ 1330.183996][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.184081][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1330.184108][ T32] r4:e883ddc0 [ 1330.184140][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.184285][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1330.184335][ T32] r4:00000000 [ 1330.184422][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.184538][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1330.184564][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.184608][ T32] r5:00001000 r4:e47a2000 [ 1330.184628][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.184666][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.184758][ T32] r5:84fe978c r4:84fe9400 [ 1330.184784][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.184832][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1330.184905][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.184984][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.185010][ T32] r4:8454d880 [ 1330.185035][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.185081][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1330.185110][ T32] r4:00000001 [ 1330.185131][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.185166][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1330.185343][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.185402][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.185433][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.185491][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.185593][ T32] r4:84e5a440 [ 1330.185618][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.185673][ T32] INFO: task kworker/0:246:4353 blocked for more than 456 seconds. [ 1330.185712][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.185736][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.185761][ T32] task:kworker/0:246 state:D stack:0 pid:4353 tgid:4353 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.185806][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.185849][ T32] Call trace: [ 1330.185879][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.185980][ T32] r10:8291880c r9:eae4dd84 r8:00000002 r7:60000013 r6:eae4dd8c r5:84e96000 [ 1330.186007][ T32] r4:84e96000 [ 1330.186046][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.186116][ T32] r5:84e96000 r4:82918808 [ 1330.186165][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.186229][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.186278][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae4de08 [ 1330.186381][ T32] r4:00000000 [ 1330.186405][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.186443][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.186507][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.186619][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85207b80 [ 1330.186645][ T32] r4:00000000 [ 1330.186691][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.186813][ T32] r9:83018005 r8:84e96000 r7:00000000 r6:83018000 r5:00001000 r4:7f0b1000 [ 1330.186839][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.186880][ T32] r5:00001000 r4:ead2b000 [ 1330.186900][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.186938][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.187004][ T32] r5:8515a78c r4:8515a400 [ 1330.187027][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.187107][ T32] r7:dddced80 r6:83018000 r5:8515a78c r4:85213980 [ 1330.187132][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 1 printk messages dropped ** [ 1330.187228][ T32] r4:85213980 ** 1 printk messages dropped ** [ 1330.187331][ T32] r10:00000000 r9:85213980 r8:8027f5e8 r7:eae2de60 r6:85213a00 r5:84e96000 ** 4 printk messages dropped ** [ 1330.187590][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1330.187682][ T32] r4:85207980 ** 2 printk messages dropped ** [ 1330.188233][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1330.188440][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 ** 4 printk messages dropped ** [ 1330.188611][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 ** 5 printk messages dropped ** [ 1330.188837][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 ** 5 printk messages dropped ** [ 1330.189019][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 ** 3 printk messages dropped ** [ 1330.189204][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1330.189499][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1330.189663][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1330.189838][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.213181][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.213243][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.213269][ T32] r4:84e5a440 [ 1330.213294][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.213328][ T32] INFO: task kworker/0:247:4355 blocked for more than 456 seconds. [ 1330.213366][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.213417][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.213458][ T32] task:kworker/0:247 state:D stack:0 pid:4355 tgid:4355 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.213522][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.213585][ T32] Call trace: [ 1330.213617][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.213701][ T32] r10:8291880c r9:eae51d84 r8:00000002 r7:60000113 r6:eae51d8c r5:84e96c00 [ 1330.213782][ T32] r4:84e96c00 [ 1330.213832][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.213879][ T32] r5:84e96c00 r4:82918808 [ 1330.213900][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.213938][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.214006][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae51e08 [ 1330.214039][ T32] r4:00000000 [ 1330.214062][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.214099][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.214141][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.214184][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85207c80 [ 1330.214235][ T32] r4:00000000 [ 1330.214256][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.214305][ T32] r9:83018005 r8:84e96c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0b3000 [ 1330.214327][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.214395][ T32] r5:00001000 r4:ead3b000 [ 1330.214421][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.214487][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.214560][ T32] r5:8515ab8c r4:8515a800 [ 1330.214585][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.214662][ T32] r7:dddced80 r6:83018000 r5:8515ab8c r4:85213a80 [ 1330.214687][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.214759][ T32] r10:61c88647 r9:84e96c00 r8:85213aac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.214837][ T32] r4:85213a80 [ 1330.214860][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.214957][ T32] r10:00000000 r9:85213a80 r8:8027f5e8 r7:eae2de60 r6:85213b00 r5:84e96c00 [ 1330.215002][ T32] r4:00000001 [ 1330.215026][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.215072][ T32] Exception stack(0xeae51fb0 to 0xeae51ff8) [ 1330.215102][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1330.215131][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.215159][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.215189][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.215375][ T32] r4:85207a00 [ 1330.215885][ T32] INFO: task kworker/0:247:4355 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1330.215920][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.215980][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.216024][ T32] Call trace: [ 1330.216095][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.216145][ T32] r10:82ac1184 r9:85020000 r8:80200be4 r7:e883dd5c r6:ffffffff r5:85020000 [ 1330.216168][ T32] r4:00000000 [ 1330.216187][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.216223][ T32] Exception stack(0xe883dd28 to 0xe883dd70) [ 1330.216275][ T32] dd20: edc6d000 edddd000 00000001 80239b98 7fb69000 00000001 [ 1330.216309][ T32] dd40: 82ac0560 7fb69000 edddd000 8280c930 82ac1184 e883dda4 e883dda8 e883dd78 [ 1330.216336][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.216359][ T32] r5:80070013 r4:80239bb0 [ 1330.216407][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.216456][ T32] r4:82ac11a4 [ 1330.216501][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.216552][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 [ 1330.216627][ T32] r4:e883ddc0 [ 1330.216655][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.216701][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1330.216723][ T32] r4:00000000 [ 1330.216743][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1330.216847][ T32] r5:00001000 r4:e47a2000 ** 2 printk messages dropped ** [ 1330.216947][ T32] r5:84fe978c r4:84fe9400 ** 1 printk messages dropped ** [ 1330.217011][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 ** 2 printk messages dropped ** [ 1330.217163][ T32] r4:8454d880 ** 2 printk messages dropped ** [ 1330.217301][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1330.217433][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1330.217648][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 5 printk messages dropped ** [ 1330.217932][ T32] r4:851a8c00 ** 1 printk messages dropped ** [ 1330.217991][ T32] r5:851a8c00 r4:82918808 ** 1 printk messages dropped ** [ 1330.218054][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1330.218296][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851fa040 [ 1330.218319][ T32] r4:00000000 [ 1330.218338][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.218381][ T32] r9:83018005 r8:851a8c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0b9000 ** 4 printk messages dropped ** [ 1330.218613][ T32] r5:8515b38c r4:8515b000 ** 4 printk messages dropped ** [ 1330.218773][ T32] r4:85213b80 ** 5 printk messages dropped ** [ 1330.219132][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1330.219240][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.219303][ T32] r4:85207d00 [ 1330.219656][ T32] INFO: task kworker/0:248:4357 is blocked on a mutex likely owned by task kworker/1:172:3871. [ 1330.219719][ T32] task:kworker/1:172 state:R running task stack:0 pid:3871 tgid:3871 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.236126][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.236228][ T32] Call trace: [ 1330.236297][ T32] [<81a551c4>] (__schedule) from [<81a562e4>] (preempt_schedule+0x4c/0xb4) [ 1330.236387][ T32] r10:00000000 r9:20070013 r8:8291880c r7:81a57ac0 r6:00000001 r5:85020000 [ 1330.236427][ T32] r4:81a57ac0 [ 1330.236480][ T32] [<81a56298>] (preempt_schedule) from [<81a57ac0>] (__mutex_unlock_slowpath.constprop.0+0x1c0/0x1c8) [ 1330.236532][ T32] r7:85020000 r6:8501d400 r5:00000000 r4:82918808 [ 1330.236556][ T32] [<81a57900>] (__mutex_unlock_slowpath.constprop.0) from [<81a57b08>] (mutex_unlock+0x40/0x44) [ 1330.236605][ T32] r9:00000000 r8:00000000 r7:ffffffff r6:e883ddc0 r5:e883de08 r4:e883ddc0 [ 1330.236629][ T32] [<81a57ac8>] (mutex_unlock) from [<804e1134>] (_vm_unmap_aliases+0x208/0x240) [ 1330.236698][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.236787][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ab00 [ 1330.236868][ T32] r4:00000000 [ 1330.237005][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.237157][ T32] r9:83018205 r8:85020000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1330.237209][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.237284][ T32] r5:00001000 r4:e47a2000 [ 1330.237309][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.237349][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.237390][ T32] r5:84fe978c r4:84fe9400 [ 1330.237427][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.237478][ T32] r7:ddde2d80 r6:83018200 r5:84fe978c r4:8454d880 [ 1330.237516][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.237566][ T32] r10:61c88647 r9:85020000 r8:8454d8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.237667][ T32] r4:8454d880 [ 1330.237882][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.237955][ T32] r10:00000000 r9:8454d880 r8:8027f5e8 r7:e47b9e60 r6:8454d900 r5:85020000 [ 1330.238038][ T32] r4:00000001 [ 1330.238066][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.238105][ T32] Exception stack(0xe883dfb0 to 0xe883dff8) [ 1330.238133][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.238161][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.238208][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.238243][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.238265][ T32] r4:84e5a440 [ 1330.238289][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.238348][ T32] INFO: task kworker/1:370:4359 blocked for more than 456 seconds. [ 1330.238574][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.238675][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.238702][ T32] task:kworker/1:370 state:D stack:0 pid:4359 tgid:4359 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.238753][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.238793][ T32] Call trace: [ 1330.239090][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.239303][ T32] r10:8291880c r9:eae71d84 r8:00000002 r7:60000013 r6:eae71d8c r5:851a8000 [ 1330.239331][ T32] r4:851a8000 [ 1330.239352][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.239418][ T32] r5:851a8000 r4:82918808 [ 1330.239526][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.239567][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.239610][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae71e08 [ 1330.239637][ T32] r4:00000000 [ 1330.239657][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.239692][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.239727][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.239769][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d86c0 [ 1330.239874][ T32] r4:00000000 [ 1330.256992][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.257118][ T32] r9:83018205 r8:851a8000 r7:00000000 r6:83018200 r5:00001000 r4:7f02d000 [ 1330.257170][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.257353][ T32] r5:00001000 r4:dfc67000 [ 1330.257378][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.257421][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1330.257483][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1330.257976][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1330.258747][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1330.259439][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 10 printk messages dropped ** [ 1330.266179][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1330.266532][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1330.267045][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.267077][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.267133][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.267160][ T32] r4:84e5a340 [ 1330.267184][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.267213][ T32] INFO: task kworker/0:249:4360 blocked for more than 456 seconds. [ 1330.267298][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.267490][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.267518][ T32] task:kworker/0:249 state:D stack:0 pid:4360 tgid:4360 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.267575][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.267643][ T32] Call trace: [ 1330.267761][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.267816][ T32] r10:8291880c r9:eae49d84 r8:00000002 r7:60000113 r6:eae49d8c r5:85252400 [ 1330.267840][ T32] r4:85252400 [ 1330.267860][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.268003][ T32] r5:85252400 r4:82918808 [ 1330.268028][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.268098][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.268196][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae49e08 [ 1330.268373][ T32] r4:00000000 [ 1330.268396][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.268435][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.268472][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.268716][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851fa300 [ 1330.268743][ T32] r4:00000000 [ 1330.268764][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.268807][ T32] r9:83018005 r8:85252400 r7:00000000 r6:83018000 r5:00001000 r4:7f0bb000 [ 1330.268880][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.268926][ T32] r5:00001000 r4:eadf9000 [ 1330.268946][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.268985][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.269057][ T32] r5:8515b78c r4:8515b400 [ 1330.269083][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.269154][ T32] r7:dddced80 r6:83018000 r5:8515b78c r4:85213c80 [ 1330.269347][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.269397][ T32] r10:61c88647 r9:85252400 r8:85213cac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.269499][ T32] r4:85213c80 [ 1330.269522][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.269592][ T32] r10:00000000 r9:85213c80 r8:8027f5e8 r7:eae69e60 r6:852b0780 r5:85252400 [ 1330.269617][ T32] r4:00000001 [ 1330.269665][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.269704][ T32] Exception stack(0xeae49fb0 to 0xeae49ff8) [ 1330.269753][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.283970][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.284194][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.284306][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.284423][ T32] r4:85207a00 [ 1330.284926][ T32] INFO: task kworker/0:249:4360 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.285187][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.285342][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.285409][ T32] Call trace: [ 1330.285572][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.285685][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.285805][ T32] r4:00000000 [ 1330.285829][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.285923][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.285957][ T32] 9d20: 7f754000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.285986][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.286150][ T32] 9d60: 80230ad4 80239bb0 90070013 ffffffff [ 1330.286214][ T32] r5:90070013 r4:80239bb0 [ 1330.286324][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.286553][ T32] r4:82ac11a4 [ 1330.286578][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.286628][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.286651][ T32] r4:e47b9dc0 [ 1330.286733][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.286784][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.286807][ T32] r4:00000000 [ 1330.286935][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.286986][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 1 printk messages dropped ** [ 1330.287132][ T32] r5:00001000 r4:ece91000 ** 5 printk messages dropped ** [ 1330.287689][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1330.287985][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 3 printk messages dropped ** [ 1330.288130][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.288255][ T32] r4:84e5a340 [ 1330.288368][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.288488][ T32] INFO: task kworker/0:250:4363 blocked for more than 456 seconds. [ 1330.288597][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.288629][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.288652][ T32] task:kworker/0:250 state:D stack:0 pid:4363 tgid:4363 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.288698][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.288740][ T32] Call trace: [ 1330.288863][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.288963][ T32] r10:8291880c r9:eae75d84 r8:00000002 r7:60000013 r6:eae75d8c r5:85250c00 [ 1330.289083][ T32] r4:85250c00 [ 1330.289107][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.289200][ T32] r5:85250c00 r4:82918808 [ 1330.289251][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.289294][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1330.289610][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1330.311052][ T32] r5:00001000 r4:eae2f000 [ 1330.311076][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.311119][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.311284][ T32] r5:8515bb8c r4:8515b800 ** 3 printk messages dropped ** [ 1330.311624][ T32] r10:61c88647 r9:85250c00 r8:85213d2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 10 printk messages dropped ** [ 1330.312442][ T32] r4:851fa180 ** 5 printk messages dropped ** [ 1330.313635][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 7 printk messages dropped ** [ 1330.314274][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 3 printk messages dropped ** [ 1330.314525][ T32] r4:e47b9dc0 ** 2 printk messages dropped ** [ 1330.314757][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1330.314823][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 4 printk messages dropped ** [ 1330.315030][ T32] r5:85a7af8c r4:85a7ac00 ** 2 printk messages dropped ** [ 1330.315327][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1330.315959][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 10 printk messages dropped ** [ 1330.316554][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1330.317068][ T32] r4:85253c00 ** 4 printk messages dropped ** [ 1330.317460][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae79e08 ** 8 printk messages dropped ** [ 1330.317941][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 1 printk messages dropped ** [ 1330.318006][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1330.318705][ T32] r7:dddced80 r6:83018000 r5:8515bf8c r4:85213d80 [ 1330.318730][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.318779][ T32] r10:61c88647 r9:85253c00 r8:85213dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.318818][ T32] r4:85213d80 [ 1330.318841][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.318885][ T32] r10:00000000 r9:85213d80 r8:8027f5e8 r7:eae75e60 r6:852b0880 r5:85253c00 [ 1330.318906][ T32] r4:00000001 [ 1330.319050][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.319091][ T32] Exception stack(0xeae79fb0 to 0xeae79ff8) [ 1330.319168][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.319200][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.319227][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.319329][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.319357][ T32] r4:851fa0c0 [ 1330.319814][ T32] INFO: task kworker/0:251:4365 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.343572][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.343799][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.343868][ T32] Call trace: [ 1330.343991][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.344298][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.344327][ T32] r4:00000000 [ 1330.344416][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.344462][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.344531][ T32] 9d20: 7fc85000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.344650][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.344679][ T32] 9d60: 80230ad4 80239bb0 90070013 ffffffff [ 1330.344766][ T32] r5:90070013 r4:80239bb0 [ 1330.344790][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.344837][ T32] r4:82ac11a4 [ 1330.344858][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.344992][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.345070][ T32] r4:e47b9dc0 [ 1330.345101][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.345147][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.345169][ T32] r4:00000000 [ 1330.345189][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.345234][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1330.345316][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.345363][ T32] r5:00001000 r4:ece91000 [ 1330.345434][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.345478][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.345810][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.345928][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.346049][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.346163][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.346235][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.346259][ T32] r4:8454d780 [ 1330.346390][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.346511][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.346538][ T32] r4:00000001 [ 1330.346557][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.346592][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.346617][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.346707][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.346738][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.346860][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.346979][ T32] r4:84e5a340 [ 1330.347006][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.347104][ T32] INFO: task kworker/0:252:4367 blocked for more than 456 seconds. [ 1330.347144][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.347170][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.347228][ T32] task:kworker/0:252 state:D stack:0 pid:4367 tgid:4367 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.347663][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.347705][ T32] Call trace: [ 1330.347758][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.347840][ T32] r10:8291880c r9:eae85d84 r8:00000002 r7:60000013 r6:eae85d8c r5:85255400 [ 1330.347951][ T32] r4:85255400 [ 1330.347996][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.348042][ T32] r5:85255400 r4:82918808 [ 1330.348063][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.348291][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.348410][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae85e08 [ 1330.348437][ T32] r4:00000000 [ 1330.348531][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.348571][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.348609][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.348650][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851fa680 ** 4 printk messages dropped ** [ 1330.348846][ T32] r5:00001000 r4:eae87000 [ 1330.348966][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1330.349308][ T32] r5:8516438c r4:85164000 ** 3 printk messages dropped ** [ 1330.349531][ T32] r10:61c88647 r9:85255400 r8:85213e2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1330.366126][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1330.367180][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1330.367687][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 1 printk messages dropped ** [ 1330.367763][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.367871][ T32] 9d60: 80230ad4 80239bb0 90070013 ffffffff [ 1330.367898][ T32] r5:90070013 r4:80239bb0 [ 1330.367920][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.368002][ T32] r4:82ac11a4 [ 1330.368027][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.368116][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.368146][ T32] r4:e47b9dc0 [ 1330.368244][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.368364][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.368421][ T32] r4:00000000 [ 1330.368446][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.368493][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1330.368516][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.368557][ T32] r5:00001000 r4:ece91000 [ 1330.368592][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.368708][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.368756][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.368850][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.368926][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.369038][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.369111][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.369137][ T32] r4:8454d780 [ 1330.369157][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.369202][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.369223][ T32] r4:00000001 [ 1330.369242][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.369276][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.369303][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.369331][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.369605][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.369726][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.369753][ T32] r4:84e5a340 [ 1330.369857][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.382850][ T32] INFO: task kworker/0:253:4369 blocked for more than 456 seconds. [ 1330.382977][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.383185][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.383244][ T32] task:kworker/0:253 state:D stack:0 pid:4369 tgid:4369 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.383312][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.383372][ T32] Call trace: [ 1330.383437][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.383654][ T32] r10:8291880c r9:eae95d84 r8:00000002 r7:60000113 r6:eae95d8c r5:85256c00 [ 1330.383771][ T32] r4:85256c00 [ 1330.383795][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.383838][ T32] r5:85256c00 r4:82918808 [ 1330.383859][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.383896][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.383984][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae95e08 [ 1330.384037][ T32] r4:00000000 [ 1330.384062][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.384131][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.384178][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.384223][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851fa800 [ 1330.384295][ T32] r4:00000000 [ 1330.384319][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.384367][ T32] r9:83018005 r8:85256c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0d1000 [ 1330.384389][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.384430][ T32] r5:00001000 r4:eae97000 [ 1330.384501][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.384612][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.384728][ T32] r5:8516478c r4:85164400 [ 1330.384752][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1330.384915][ T32] r10:61c88647 r9:85256c00 r8:85213eac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1330.385220][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1330.386156][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1330.387316][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 8 printk messages dropped ** [ 1330.387660][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 5 printk messages dropped ** [ 1330.388006][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.388053][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.388094][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.388115][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.388161][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.388182][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.388228][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.388249][ T32] r4:8454d780 [ 1330.388269][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.388311][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.388351][ T32] r4:00000001 [ 1330.388403][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.388464][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.388506][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.388537][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.388564][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.388608][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.388633][ T32] r4:84e5a340 [ 1330.388654][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.388680][ T32] INFO: task kworker/0:254:4372 blocked for more than 456 seconds. [ 1330.388709][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.388744][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.388785][ T32] task:kworker/0:254 state:D stack:0 pid:4372 tgid:4372 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.388927][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.388977][ T32] Call trace: [ 1330.389096][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.389182][ T32] r10:8291880c r9:eaeb1d84 r8:00000002 r7:60000113 r6:eaeb1d8c r5:85246c00 [ 1330.389209][ T32] r4:85246c00 [ 1330.389229][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.389269][ T32] r5:85246c00 r4:82918808 [ 1330.389321][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.389361][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.389402][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaeb1e08 [ 1330.389424][ T32] r4:00000000 [ 1330.389443][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.389478][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.389515][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.389556][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851df2c0 [ 1330.389640][ T32] r4:00000000 [ 1330.389677][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.389725][ T32] r9:83018005 r8:85246c00 r7:00000000 r6:83018000 r5:00001000 r4:7f00b000 [ 1330.389748][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.413866][ T32] r5:00001000 r4:eaf2b000 [ 1330.413973][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.414055][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.414137][ T32] r5:85166b8c r4:85166800 [ 1330.414178][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.414308][ T32] r7:dddced80 r6:83018000 r5:85166b8c r4:85213f00 [ 1330.414425][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.414479][ T32] r10:61c88647 r9:85246c00 r8:85213f2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.414504][ T32] r4:85213f00 [ 1330.414524][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.414570][ T32] r10:00000000 r9:85213f00 r8:8027f5e8 r7:eae95e60 r6:852b0a00 r5:85246c00 [ 1330.414593][ T32] r4:00000001 [ 1330.414634][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.414746][ T32] Exception stack(0xeaeb1fb0 to 0xeaeb1ff8) [ 1330.414780][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1330.414862][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.414977][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.415071][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.415130][ T32] r4:851fa600 [ 1330.415720][ T32] INFO: task kworker/0:254:4372 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.415834][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.415940][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.415993][ T32] Call trace: [ 1330.416027][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.416085][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.416178][ T32] r4:00000000 [ 1330.416239][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.416282][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.416356][ T32] 9d20: 80349000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.416421][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.416450][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.416473][ T32] r5:80070013 r4:80239bb0 [ 1330.416578][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.416701][ T32] r4:82ac11a4 [ 1330.416725][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.416974][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.417001][ T32] r4:e47b9dc0 [ 1330.417046][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.417096][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.417119][ T32] r4:00000000 [ 1330.417168][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.417218][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1330.417241][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.417281][ T32] r5:00001000 r4:ece91000 [ 1330.417352][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.417484][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.417530][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.417550][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.417701][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.417724][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.417820][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.417941][ T32] r4:8454d780 [ 1330.418055][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.418104][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.418126][ T32] r4:00000001 [ 1330.418176][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.418237][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.418312][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.418345][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.418372][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.418418][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.418443][ T32] r4:84e5a340 [ 1330.418464][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.418507][ T32] INFO: task kworker/0:255:4373 blocked for more than 456 seconds. [ 1330.418544][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.418570][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.418593][ T32] task:kworker/0:255 state:D stack:0 pid:4373 tgid:4373 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.418663][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.418741][ T32] Call trace: [ 1330.418905][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.418970][ T32] r10:8291880c r9:eaebdd84 r8:00000002 r7:60000013 r6:eaebdd8c r5:8524c800 [ 1330.418996][ T32] r4:8524c800 [ 1330.419015][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.419060][ T32] r5:8524c800 r4:82918808 [ 1330.419080][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.419117][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.419158][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaebde08 [ 1330.419179][ T32] r4:00000000 [ 1330.419198][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.419288][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.419331][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.419374][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851fa900 [ 1330.419395][ T32] r4:00000000 [ 1330.419415][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.419458][ T32] r9:83018005 r8:8524c800 r7:00000000 r6:83018000 r5:00001000 r4:7f0d3000 ** 1 printk messages dropped ** [ 1330.419518][ T32] r5:00001000 r4:eaea3000 [ 1330.419641][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.419753][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1330.440743][ T32] r10:61c88647 r9:8524c800 r8:85213fac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1330.441446][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1330.442728][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1330.443161][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1330.443426][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 3 printk messages dropped ** [ 1330.443658][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.443748][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.443860][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.443971][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.444022][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.444048][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.444211][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.444238][ T32] r4:8454d780 [ 1330.444258][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.444302][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.444324][ T32] r4:00000001 [ 1330.444343][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.444381][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.444407][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.444436][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.444462][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.444491][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1330.444763][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1330.445266][ T32] r10:8291880c r9:eaec5d84 r8:00000002 r7:60000113 r6:eaec5d8c r5:85258000 ** 3 printk messages dropped ** [ 1330.445427][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1330.445633][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1330.445929][ T32] r5:00001000 r4:eaeb3000 [ 1330.445948][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.445985][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.446024][ T32] r5:85164f8c r4:85164c00 [ 1330.446049][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1330.446279][ T32] r10:61c88647 r9:85258000 r8:851ee02c r7:82804d40 r6:dddced80 r5:dddceda0 ** 5 printk messages dropped ** [ 1330.446498][ T32] Exception stack(0xeaec5fb0 to 0xeaec5ff8) ** 3 printk messages dropped ** [ 1330.446625][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1330.447324][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1330.447797][ T32] r4:82ac11a4 ** 1 printk messages dropped ** [ 1330.447913][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 5 printk messages dropped ** [ 1330.448162][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 7 printk messages dropped ** [ 1330.448521][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 2 printk messages dropped ** [ 1330.448711][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1330.449308][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 2 printk messages dropped ** [ 1330.449724][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.449770][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.449929][ T32] r4:84e5a340 [ 1330.450121][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.450266][ T32] INFO: task kworker/0:257:4376 blocked for more than 456 seconds. [ 1330.470596][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.470653][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.470679][ T32] task:kworker/0:257 state:D stack:0 pid:4376 tgid:4376 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.470853][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.471011][ T32] Call trace: [ 1330.471243][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.471364][ T32] r10:8291880c r9:eaecdd84 r8:00000002 r7:60000113 r6:eaecdd8c r5:85258c00 [ 1330.471393][ T32] r4:85258c00 [ 1330.471415][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.471457][ T32] r5:85258c00 r4:82918808 [ 1330.471478][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.471546][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.471599][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaecde08 [ 1330.471655][ T32] r4:00000000 [ 1330.471684][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.471721][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.471794][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.471886][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851fa880 [ 1330.471912][ T32] r4:00000000 [ 1330.471932][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.471988][ T32] r9:83018005 r8:85258c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0d7000 [ 1330.472012][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.472054][ T32] r5:00001000 r4:eaec7000 [ 1330.472182][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.472229][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.472306][ T32] r5:8516538c r4:85165000 [ 1330.472330][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.472377][ T32] r7:dddced80 r6:83018000 r5:8516538c r4:851ee080 [ 1330.472399][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.472443][ T32] r10:61c88647 r9:85258c00 r8:851ee0ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.472465][ T32] r4:851ee080 [ 1330.472484][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.472528][ T32] r10:00000000 r9:851ee080 r8:8027f5e8 r7:eaeb1e60 r6:852b0b80 r5:85258c00 [ 1330.472550][ T32] r4:00000001 [ 1330.472569][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.472612][ T32] Exception stack(0xeaecdfb0 to 0xeaecdff8) [ 1330.472673][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.472709][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.472737][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.472765][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.472805][ T32] r4:851fa880 [ 1330.473345][ T32] INFO: task kworker/0:257:4376 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.473382][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.473660][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.473713][ T32] Call trace: [ 1330.473776][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.473896][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.473931][ T32] r4:00000000 [ 1330.473952][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.474003][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.474034][ T32] 9d20: 80a01000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.474121][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.474219][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.474253][ T32] r5:80070013 r4:80239bb0 [ 1330.474278][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.474327][ T32] r4:82ac11a4 [ 1330.474347][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.474431][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.474459][ T32] r4:e47b9dc0 [ 1330.474478][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.474656][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.474683][ T32] r4:00000000 [ 1330.474770][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.474834][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1330.474861][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 6 printk messages dropped ** [ 1330.475238][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 2 printk messages dropped ** [ 1330.475325][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1330.475667][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 2 printk messages dropped ** [ 1330.476067][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1330.476210][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1330.476570][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1330.477259][ T32] r5:8525b000 r4:82918808 ** 2 printk messages dropped ** [ 1330.477357][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaee5e08 ** 7 printk messages dropped ** [ 1330.477804][ T32] r9:83018005 r8:8525b000 r7:00000000 r6:83018000 r5:00001000 r4:7f0d9000 ** 1 printk messages dropped ** [ 1330.477867][ T32] r5:00001000 r4:eaed7000 [ 1330.477888][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1330.477993][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1330.478208][ T32] r4:851ee100 ** 6 printk messages dropped ** [ 1330.478486][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1330.479023][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1330.479364][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.479404][ T32] r4:00000000 [ 1330.479462][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.479504][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.479531][ T32] 9d20: 80a01000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.479560][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.479646][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.479674][ T32] r5:80070013 r4:80239bb0 [ 1330.479696][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.479742][ T32] r4:82ac11a4 [ 1330.479799][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.514121][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.514328][ T32] r4:e47b9dc0 [ 1330.514435][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.514575][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.514609][ T32] r4:00000000 [ 1330.514646][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.514698][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1330.514766][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.514889][ T32] r5:00001000 r4:ece91000 [ 1330.514914][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.515004][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.515056][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.515077][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.515212][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.515324][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.515377][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.515436][ T32] r4:8454d780 [ 1330.515461][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.515507][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.515549][ T32] r4:00000001 [ 1330.515573][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.515610][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.515641][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.515669][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.515695][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.515723][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.515744][ T32] r4:84e5a340 [ 1330.515768][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.515798][ T32] INFO: task kworker/0:259:4380 blocked for more than 457 seconds. [ 1330.515835][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.515893][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.515922][ T32] task:kworker/0:259 state:D stack:0 pid:4380 tgid:4380 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.515993][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.516126][ T32] Call trace: [ 1330.516165][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.516236][ T32] r10:8291880c r9:eaef5d84 r8:00000002 r7:60000113 r6:eaef5d8c r5:8525bc00 [ 1330.516351][ T32] r4:8525bc00 [ 1330.516375][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.516416][ T32] r5:8525bc00 r4:82918808 [ 1330.516436][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.516472][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.516516][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaef5e08 [ 1330.516573][ T32] r4:00000000 [ 1330.516596][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.516632][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.516669][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.516712][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851fae80 [ 1330.516736][ T32] r4:00000000 [ 1330.516819][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.516869][ T32] r9:83018005 r8:8525bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f0db000 [ 1330.516930][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.516975][ T32] r5:00001000 r4:eaee7000 [ 1330.517005][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.517132][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.517245][ T32] r5:85165b8c r4:85165800 [ 1330.517354][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.517468][ T32] r7:dddced80 r6:83018000 r5:85165b8c r4:851ee180 [ 1330.517586][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.517697][ T32] r10:61c88647 r9:8525bc00 r8:851ee1ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.517808][ T32] r4:851ee180 [ 1330.517900][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.517951][ T32] r10:00000000 r9:851ee180 r8:8027f5e8 r7:eaeb1e60 r6:852b0c80 r5:8525bc00 [ 1330.517976][ T32] r4:00000001 [ 1330.518023][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.518139][ T32] Exception stack(0xeaef5fb0 to 0xeaef5ff8) [ 1330.518169][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1330.518335][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1330.519275][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1330.519829][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1330.529835][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 8 printk messages dropped ** [ 1330.531074][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.531121][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.531180][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.531234][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.531259][ T32] r4:8454d780 [ 1330.531281][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.531326][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.531349][ T32] r4:00000001 [ 1330.531368][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.531433][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.531562][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.531674][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.531713][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.531749][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.531777][ T32] r4:84e5a340 [ 1330.531895][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.532013][ T32] INFO: task kworker/0:260:4382 blocked for more than 457 seconds. [ 1330.532211][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.532241][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.532374][ T32] task:kworker/0:260 state:D stack:0 pid:4382 tgid:4382 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.532453][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.532589][ T32] Call trace: [ 1330.532733][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.532818][ T32] r10:8291880c r9:eaf05d84 r8:00000002 r7:60000013 r6:eaf05d8c r5:85259800 [ 1330.532939][ T32] r4:85259800 [ 1330.532985][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.533154][ T32] r5:85259800 r4:82918808 [ 1330.533179][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.533218][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.533368][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf05e08 [ 1330.533406][ T32] r4:00000000 [ 1330.533427][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.533463][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.533575][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.533690][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851fafc0 [ 1330.533735][ T32] r4:00000000 [ 1330.533766][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.533815][ T32] r9:83018005 r8:85259800 r7:00000000 r6:83018000 r5:00001000 r4:7f0dd000 [ 1330.534099][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.534148][ T32] r5:00001000 r4:eaefb000 [ 1330.534170][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.534231][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.534440][ T32] r5:85165f8c r4:85165c00 [ 1330.534468][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.534514][ T32] r7:dddced80 r6:83018000 r5:85165f8c r4:851ee200 [ 1330.534535][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.534628][ T32] r10:61c88647 r9:85259800 r8:851ee22c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.534655][ T32] r4:851ee200 [ 1330.534675][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.534720][ T32] r10:00000000 r9:851ee200 r8:8027f5e8 r7:eaeb1e60 r6:852b0d00 r5:85259800 [ 1330.534818][ T32] r4:00000001 [ 1330.534841][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.534927][ T32] Exception stack(0xeaf05fb0 to 0xeaf05ff8) [ 1330.534959][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1330.535000][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.535026][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.535146][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.535260][ T32] r4:851fac80 [ 1330.535787][ T32] INFO: task kworker/0:260:4382 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.535825][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.536020][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.536139][ T32] Call trace: [ 1330.536174][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.536224][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.536247][ T32] r4:00000000 [ 1330.536266][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.536305][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.536367][ T32] 9d20: 8123a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.536482][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.536518][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.536544][ T32] r5:80070013 r4:80239bb0 [ 1330.536598][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.536646][ T32] r4:82ac11a4 [ 1330.536715][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.536766][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.536825][ T32] r4:e47b9dc0 [ 1330.536848][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.536892][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.536915][ T32] r4:00000000 [ 1330.536936][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.536993][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1330.537017][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.537059][ T32] r5:00001000 r4:ece91000 [ 1330.537111][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.537184][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.537265][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.537290][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.537337][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.537358][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.537401][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.537422][ T32] r4:8454d780 [ 1330.537441][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.537537][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.537568][ T32] r4:00000001 [ 1330.537656][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.537698][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.537893][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.537927][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.537954][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.538068][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.538115][ T32] r4:84e5a340 [ 1330.538182][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 3 printk messages dropped ** [ 1330.538394][ T32] task:kworker/0:261 state:D stack:0 pid:4385 tgid:4385 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1330.539089][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf21e08 ** 8 printk messages dropped ** [ 1330.539640][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 1 printk messages dropped ** [ 1330.539700][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1330.571081][ T32] r10:00000000 r9:851ee280 r8:8027f5e8 r7:eaeb1e60 r6:852b0d80 r5:8525c800 ** 8 printk messages dropped ** [ 1330.572301][ T32] INFO: task kworker/0:261:4385 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 9 printk messages dropped ** [ 1330.573178][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 9 printk messages dropped ** [ 1330.573797][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1330.574298][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1330.574594][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.574637][ T32] r4:8454d780 [ 1330.574657][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.574701][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.574724][ T32] r4:00000001 [ 1330.574744][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.574794][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.574856][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.574917][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.574970][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.575058][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.575113][ T32] r4:84e5a340 [ 1330.575180][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.575249][ T32] INFO: task kworker/0:262:4387 blocked for more than 457 seconds. [ 1330.575318][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.575365][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.575422][ T32] task:kworker/0:262 state:D stack:0 pid:4387 tgid:4387 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.575521][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.575614][ T32] Call trace: [ 1330.575661][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.575792][ T32] r10:8291880c r9:eaf29d84 r8:00000002 r7:60000113 r6:eaf29d8c r5:8525d400 [ 1330.575819][ T32] r4:8525d400 [ 1330.575844][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.575930][ T32] r5:8525d400 r4:82918808 [ 1330.575992][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.576088][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.576185][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf29e08 [ 1330.576252][ T32] r4:00000000 [ 1330.576302][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.576378][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.576458][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.576574][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8521f780 [ 1330.576658][ T32] r4:00000000 [ 1330.576720][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.576815][ T32] r9:83018005 r8:8525d400 r7:00000000 r6:83018000 r5:00001000 r4:7f0c1000 [ 1330.576866][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.576940][ T32] r5:00001000 r4:eafeb000 [ 1330.576963][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.577017][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.577094][ T32] r5:8516c38c r4:8516c000 [ 1330.577121][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.577199][ T32] r7:dddced80 r6:83018000 r5:8516c38c r4:851ee300 [ 1330.577248][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.577335][ T32] r10:61c88647 r9:8525d400 r8:851ee32c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.577380][ T32] r4:851ee300 [ 1330.577437][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.577546][ T32] r10:00000000 r9:851ee300 r8:8027f5e8 r7:eaeb1e60 r6:852b0e00 r5:8525d400 [ 1330.577643][ T32] r4:00000001 [ 1330.577692][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.577794][ T32] Exception stack(0xeaf29fb0 to 0xeaf29ff8) [ 1330.577855][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.577913][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.577969][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.578037][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.578080][ T32] r4:851df000 [ 1330.578650][ T32] INFO: task kworker/0:262:4387 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.578724][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.578842][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.578894][ T32] Call trace: [ 1330.578926][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.578975][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.579033][ T32] r4:00000000 [ 1330.579079][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.579162][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.579220][ T32] 9d20: 817ce000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.579285][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.579339][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.579386][ T32] r5:80070013 r4:80239bb0 [ 1330.579427][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.579477][ T32] r4:82ac11a4 [ 1330.579498][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.579546][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.579569][ T32] r4:e47b9dc0 [ 1330.579588][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.579656][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.579692][ T32] r4:00000000 [ 1330.579744][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.603048][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 4 printk messages dropped ** [ 1330.603288][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1330.603421][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1330.603870][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1330.604286][ T32] r10:8291880c r9:eab55d84 r8:00000002 r7:60000013 r6:eab55d8c r5:8525e000 ** 8 printk messages dropped ** [ 1330.604903][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1330.605474][ T32] r5:00001000 r4:dfcb3000 ** 2 printk messages dropped ** [ 1330.605633][ T32] r5:8527b38c r4:8527b000 ** 4 printk messages dropped ** [ 1330.606029][ T32] r4:852b0e80 ** 7 printk messages dropped ** [ 1330.606462][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1330.607559][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1330.608389][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1330.608602][ T32] r4:e47b9dc0 [ 1330.608625][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.608669][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.608757][ T32] r4:00000000 [ 1330.608781][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.608825][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1330.608848][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.608889][ T32] r5:00001000 r4:ece91000 [ 1330.608908][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.608994][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.609046][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.609203][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.609256][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.609328][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.609379][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.609401][ T32] r4:8454d780 [ 1330.609421][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.609500][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.609554][ T32] r4:00000001 [ 1330.609577][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.609614][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.609641][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.609670][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.609696][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.609725][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.623810][ T32] r4:84e5a340 [ 1330.623950][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.624004][ T32] INFO: task kworker/1:372:4396 blocked for more than 457 seconds. [ 1330.624064][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.624098][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.624122][ T32] task:kworker/1:372 state:D stack:0 pid:4396 tgid:4396 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.624224][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.624337][ T32] Call trace: [ 1330.624392][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.624452][ T32] r10:8291880c r9:eae6dd84 r8:00000002 r7:60000013 r6:eae6dd8c r5:8525ec00 [ 1330.624476][ T32] r4:8525ec00 [ 1330.624496][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.624536][ T32] r5:8525ec00 r4:82918808 [ 1330.624558][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.624595][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.624667][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae6de08 [ 1330.624694][ T32] r4:00000000 [ 1330.624714][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.624750][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.624791][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.624835][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d89c0 [ 1330.624857][ T32] r4:00000000 [ 1330.624876][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.624951][ T32] r9:83018205 r8:8525ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f033000 [ 1330.624986][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.625030][ T32] r5:00001000 r4:dfd81000 [ 1330.625067][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.625113][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.625154][ T32] r5:8527bb8c r4:8527b800 [ 1330.625233][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.625285][ T32] r7:ddde2d80 r6:83018200 r5:8527bb8c r4:852b0f80 [ 1330.625337][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.625387][ T32] r10:61c88647 r9:8525ec00 r8:852b0fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.625409][ T32] r4:852b0f80 [ 1330.625429][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.625510][ T32] r10:00000000 r9:852b0f80 r8:8027f5e8 r7:ead79e60 r6:851cf000 r5:8525ec00 [ 1330.625538][ T32] r4:00000001 [ 1330.625580][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.625647][ T32] Exception stack(0xeae6dfb0 to 0xeae6dff8) [ 1330.625678][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.625707][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.625733][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.625824][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.625851][ T32] r4:851d8740 [ 1330.626380][ T32] INFO: task kworker/1:372:4396 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.626419][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.626503][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.626633][ T32] Call trace: [ 1330.626703][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.626757][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.626782][ T32] r4:00000000 [ 1330.626832][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.626875][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.626903][ T32] 9d20: 8205f000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.626933][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.626965][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.627001][ T32] r5:80070013 r4:80239bb0 [ 1330.627023][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.627068][ T32] r4:82ac11a4 [ 1330.627166][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.627218][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.627315][ T32] r4:e47b9dc0 [ 1330.627339][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1330.627782][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1330.628216][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1330.628453][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1330.629246][ T32] r10:8291880c r9:eab79d84 r8:00000002 r7:60000113 r6:eab79d8c r5:8525a400 ** 8 printk messages dropped ** [ 1330.648446][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1330.648849][ T32] r5:00001000 r4:dfddf000 [ 1330.648874][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1330.649014][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1330.649348][ T32] Exception stack(0xeab79fb0 to 0xeab79ff8) [ 1330.649379][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.649409][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.649467][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.649518][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.649548][ T32] r4:851d87c0 [ 1330.654964][ T32] INFO: task kworker/1:373:4397 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.655095][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.655211][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.655318][ T32] Call trace: [ 1330.655354][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.655425][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.655454][ T32] r4:00000000 [ 1330.655476][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.655519][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.655551][ T32] 9d20: 8241f000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.655581][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.655606][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.655630][ T32] r5:80070013 r4:80239bb0 [ 1330.655650][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.655698][ T32] r4:82ac11a4 [ 1330.655717][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.655763][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.655813][ T32] r4:e47b9dc0 [ 1330.655868][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.655917][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.655969][ T32] r4:00000000 [ 1330.656002][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.656050][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1330.656072][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.656134][ T32] r5:00001000 r4:ece91000 [ 1330.656159][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.656232][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.656280][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.656303][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.656365][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.656390][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.656435][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.656457][ T32] r4:8454d780 [ 1330.656476][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.656520][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.656546][ T32] r4:00000001 [ 1330.656619][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.656663][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.656718][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.656780][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.656818][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.656850][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1330.657042][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1330.657388][ T32] r4:85253000 ** 4 printk messages dropped ** [ 1330.657580][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae81e08 ** 9 printk messages dropped ** [ 1330.658081][ T32] r5:00001000 r4:dff4b000 [ 1330.658102][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.658158][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1330.658432][ T32] r4:851cf180 ** 6 printk messages dropped ** [ 1330.658722][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1330.659662][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1330.678475][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1330.678569][ T32] r4:e47b9dc0 ** 7 printk messages dropped ** [ 1330.678932][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1330.679030][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.679051][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.679097][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.679118][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.679162][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.679185][ T32] r4:8454d780 [ 1330.679205][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.679280][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.679307][ T32] r4:00000001 [ 1330.679328][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.679366][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.679422][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.679456][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.679482][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.679510][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.679532][ T32] r4:84e5a340 [ 1330.679562][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.679595][ T32] INFO: task kworker/1:375:4401 blocked for more than 457 seconds. [ 1330.679631][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.679656][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.679719][ T32] task:kworker/1:375 state:D stack:0 pid:4401 tgid:4401 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.683485][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.683620][ T32] Call trace: [ 1330.683699][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.683765][ T32] r10:8291880c r9:eaf39d84 r8:00000002 r7:60000113 r6:eaf39d8c r5:85254800 [ 1330.683789][ T32] r4:85254800 [ 1330.683810][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.683851][ T32] r5:85254800 r4:82918808 [ 1330.683919][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.683984][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.684132][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf39e08 [ 1330.684168][ T32] r4:00000000 [ 1330.684189][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.684228][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.684268][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.684340][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d8080 [ 1330.684367][ T32] r4:00000000 [ 1330.684388][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.684470][ T32] r9:83018205 r8:85254800 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1330.684496][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.684539][ T32] r5:00001000 r4:dffbf000 [ 1330.684590][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.684633][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.684767][ T32] r5:8529438c r4:85294000 [ 1330.684793][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.684856][ T32] r7:ddde2d80 r6:83018200 r5:8529438c r4:851cf280 [ 1330.684882][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.684928][ T32] r10:61c88647 r9:85254800 r8:851cf2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.684950][ T32] r4:851cf280 [ 1330.684969][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.685042][ T32] r10:00000000 r9:851cf280 r8:8027f5e8 r7:eae81e60 r6:851cf300 r5:85254800 [ 1330.685066][ T32] r4:00000001 [ 1330.685114][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.685163][ T32] Exception stack(0xeaf39fb0 to 0xeaf39ff8) [ 1330.685193][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.685222][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.685278][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.685311][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.685333][ T32] r4:851d8ac0 [ 1330.685986][ T32] INFO: task kworker/1:375:4401 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.686026][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.686090][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.686135][ T32] Call trace: [ 1330.686166][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.686243][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 4 printk messages dropped ** [ 1330.686444][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 10 printk messages dropped ** [ 1330.686877][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1330.687418][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1330.687927][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1330.688446][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1330.688873][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf3de08 ** 9 printk messages dropped ** [ 1330.689344][ T32] r5:00001000 r4:e0097000 [ 1330.689363][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.689400][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1330.689624][ T32] r10:61c88647 r9:85260000 r8:851cf3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1330.708107][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1330.709163][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1330.709307][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 8 printk messages dropped ** [ 1330.709628][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1330.714556][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.714693][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.714719][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.714803][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.714829][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.714877][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.715007][ T32] r4:8454d780 [ 1330.715123][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.715174][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.715242][ T32] r4:00000001 [ 1330.715350][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.715393][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.715423][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.715453][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.715479][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.715506][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.715528][ T32] r4:84e5a340 [ 1330.715578][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.715612][ T32] INFO: task kworker/0:263:4403 blocked for more than 457 seconds. [ 1330.715682][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.715885][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.715911][ T32] task:kworker/0:263 state:D stack:0 pid:4403 tgid:4403 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.715971][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.716026][ T32] Call trace: [ 1330.716095][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.716151][ T32] r10:8291880c r9:eaf41d84 r8:00000002 r7:60000113 r6:eaf41d8c r5:85260c00 [ 1330.716294][ T32] r4:85260c00 [ 1330.716406][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.716452][ T32] r5:85260c00 r4:82918808 [ 1330.716472][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.716603][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.716714][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf41e08 [ 1330.716829][ T32] r4:00000000 [ 1330.716853][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.716937][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.717169][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.717298][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851df400 [ 1330.717512][ T32] r4:00000000 [ 1330.717626][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.717675][ T32] r9:83018005 r8:85260c00 r7:00000000 r6:83018000 r5:00001000 r4:7f029000 [ 1330.717744][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.717789][ T32] r5:00001000 r4:df987000 [ 1330.717812][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.717852][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.717893][ T32] r5:85166f8c r4:85166c00 [ 1330.717971][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1330.718149][ T32] r10:61c88647 r9:85260c00 r8:851ee3ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1330.718558][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1330.719629][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.719653][ T32] r4:00000000 [ 1330.719785][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.740769][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.740874][ T32] 9d20: 8323d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.740910][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.740936][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.740964][ T32] r5:80070013 r4:80239bb0 [ 1330.740997][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.741070][ T32] r4:82ac11a4 [ 1330.741091][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.741139][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.741161][ T32] r4:e47b9dc0 [ 1330.741180][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.741223][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.741277][ T32] r4:00000000 [ 1330.741421][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.741473][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1330.741496][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.741542][ T32] r5:00001000 r4:ece91000 [ 1330.741562][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.741682][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.741731][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.741754][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1330.741821][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1330.742428][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1330.742776][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1330.743619][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf45e08 ** 9 printk messages dropped ** [ 1330.744279][ T32] r5:00001000 r4:eadcb000 [ 1330.744302][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.744343][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1330.744865][ T32] r7:dddced80 r6:83018000 r5:8516738c r4:851ee400 ** 9 printk messages dropped ** [ 1330.745350][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1330.746215][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1330.746507][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 7 printk messages dropped ** [ 1330.746885][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 11 printk messages dropped ** [ 1330.747379][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1330.747914][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1330.748177][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1330.749277][ T32] r4:85263000 ** 3 printk messages dropped ** [ 1330.749487][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1330.777476][ T32] r5:00001000 r4:e0019000 [ 1330.777496][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1330.777695][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1330.778335][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1330.779052][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1330.779391][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 9 printk messages dropped ** [ 1330.779734][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1330.793709][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1330.794020][ T32] r4:8454d780 [ 1330.794074][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.794159][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.794186][ T32] r4:00000001 [ 1330.794223][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.794368][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.794404][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.794435][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.794482][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.794514][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.794654][ T32] r4:84e5a340 [ 1330.794683][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.794766][ T32] INFO: task kworker/0:265:4407 blocked for more than 457 seconds. [ 1330.794807][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.794831][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.794987][ T32] task:kworker/0:265 state:D stack:0 pid:4407 tgid:4407 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.795076][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.795123][ T32] Call trace: [ 1330.795157][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.795210][ T32] r10:8291880c r9:eaf4dd84 r8:00000002 r7:60000113 r6:eaf4dd8c r5:85264800 [ 1330.795328][ T32] r4:85264800 [ 1330.795352][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.795475][ T32] r5:85264800 r4:82918808 [ 1330.795500][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.795539][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.795649][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf4de08 [ 1330.795676][ T32] r4:00000000 [ 1330.795766][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.795813][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.795856][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.795900][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851df6c0 [ 1330.795923][ T32] r4:00000000 [ 1330.795968][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.796084][ T32] r9:83018005 r8:85264800 r7:00000000 r6:83018000 r5:00001000 r4:7f06d000 [ 1330.796112][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.796155][ T32] r5:00001000 r4:e03bf000 [ 1330.796178][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.796242][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.796322][ T32] r5:85294f8c r4:85294c00 [ 1330.796372][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.796421][ T32] r7:dddced80 r6:83018000 r5:85294f8c r4:851ee480 [ 1330.796469][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.796536][ T32] r10:61c88647 r9:85264800 r8:851ee4ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1330.796593][ T32] r4:851ee480 [ 1330.796616][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.796713][ T32] r10:00000000 r9:851ee480 r8:8027f5e8 r7:eaf45e60 r6:851cf680 r5:85264800 [ 1330.796746][ T32] r4:00000001 [ 1330.796784][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.796852][ T32] Exception stack(0xeaf4dfb0 to 0xeaf4dff8) [ 1330.796887][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.796916][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.796943][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.797012][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.797039][ T32] r4:851df500 [ 1330.797555][ T32] INFO: task kworker/0:265:4407 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.797631][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.797694][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.797818][ T32] Call trace: [ 1330.797875][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.797929][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.797989][ T32] r4:00000000 [ 1330.798017][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.798057][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.798086][ T32] 9d20: 83a6d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.798140][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.798170][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.798218][ T32] r5:80070013 r4:80239bb0 [ 1330.798242][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.798289][ T32] r4:82ac11a4 [ 1330.798309][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.798368][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.798394][ T32] r4:e47b9dc0 [ 1330.798413][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.798456][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 8 printk messages dropped ** [ 1330.798798][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1330.799357][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1330.799620][ T32] task:kworker/1:378 state:D stack:0 pid:4410 tgid:4410 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1330.812987][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1330.813201][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851cda80 ** 4 printk messages dropped ** [ 1330.813407][ T32] r5:00001000 r4:e058d000 [ 1330.813462][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.813506][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.813586][ T32] r5:85295b8c r4:85295800 [ 1330.813708][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.813763][ T32] r7:ddde2d80 r6:83018200 r5:85295b8c r4:851cf700 [ 1330.813818][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.813867][ T32] r10:61c88647 r9:85265400 r8:851cf72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.813891][ T32] r4:851cf700 [ 1330.813912][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.813955][ T32] r10:00000000 r9:851cf700 r8:8027f5e8 r7:eaf3de60 r6:851cf780 r5:85265400 [ 1330.813982][ T32] r4:00000001 [ 1330.814004][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.814042][ T32] Exception stack(0xeaf35fb0 to 0xeaf35ff8) [ 1330.814072][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1330.814125][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.814157][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.814220][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.814250][ T32] r4:851cd240 [ 1330.814762][ T32] INFO: task kworker/1:378:4410 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.814831][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.815058][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.815109][ T32] Call trace: [ 1330.815140][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.815260][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.815288][ T32] r4:00000000 [ 1330.815377][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.815453][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.815483][ T32] 9d20: 83a6d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.815546][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.815576][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.815600][ T32] r5:80070013 r4:80239bb0 [ 1330.815620][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.815665][ T32] r4:82ac11a4 [ 1330.815686][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.815750][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.815809][ T32] r4:e47b9dc0 [ 1330.815832][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.815876][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.815898][ T32] r4:00000000 [ 1330.815917][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.815960][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1330.816026][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.816078][ T32] r5:00001000 r4:ece91000 [ 1330.816099][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.816169][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.816217][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.816240][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.816339][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.816364][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.816410][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.816433][ T32] r4:8454d780 [ 1330.816452][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.816495][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.816551][ T32] r4:00000001 [ 1330.816608][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.816649][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.816676][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.816705][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.816732][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.816823][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.816850][ T32] r4:84e5a340 [ 1330.816872][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 1 printk messages dropped ** [ 1330.816936][ T32] Not tainted 6.15.0-syzkaller #0 ** 8 printk messages dropped ** [ 1330.817528][ T32] r5:85263c00 r4:82918808 ** 5 printk messages dropped ** [ 1330.817758][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1330.818003][ T32] r5:00001000 r4:e03eb000 [ 1330.818024][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1330.818121][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1330.818385][ T32] r10:00000000 r9:851cf800 r8:8027f5e8 r7:eaf35e60 r6:851cf880 r5:85263c00 [ 1330.818407][ T32] r4:00000001 [ 1330.818454][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.818495][ T32] Exception stack(0xeaf55fb0 to 0xeaf55ff8) [ 1330.818554][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1330.818587][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.818680][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.818711][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.818736][ T32] r4:851cd580 [ 1330.819091][ T32] INFO: task kworker/1:379:4411 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.819124][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.819218][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.819267][ T32] Call trace: [ 1330.819406][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.819459][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.819483][ T32] r4:00000000 [ 1330.819503][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.819543][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.819571][ T32] 9d20: 83a6d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.819599][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.819657][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.819685][ T32] r5:80070013 r4:80239bb0 [ 1330.819707][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.819750][ T32] r4:82ac11a4 [ 1330.840873][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.841105][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.841150][ T32] r4:e47b9dc0 [ 1330.841201][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.841286][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 2 printk messages dropped ** [ 1330.841463][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 4 printk messages dropped ** [ 1330.841821][ T32] r5:85a7af8c r4:85a7ac00 ** 2 printk messages dropped ** [ 1330.842013][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 2 printk messages dropped ** [ 1330.842210][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1330.842499][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 4 printk messages dropped ** [ 1330.842829][ T32] r4:84e5a340 ** 1 printk messages dropped ** [ 1330.842935][ T32] INFO: task kworker/1:380:4414 blocked for more than 457 seconds. ** 3 printk messages dropped ** [ 1330.843226][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1330.843569][ T32] r10:8291880c r9:eaf51d84 r8:00000002 r7:60000113 r6:eaf51d8c r5:85266000 ** 5 printk messages dropped ** [ 1330.844014][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf51e08 ** 3 printk messages dropped ** [ 1330.844300][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 3 printk messages dropped ** [ 1330.844808][ T32] r9:83018205 r8:85266000 r7:00000000 r6:83018200 r5:00001000 r4:7f071000 ** 1 printk messages dropped ** [ 1330.844988][ T32] r5:00001000 r4:e0561000 [ 1330.845042][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.845114][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.845196][ T32] r5:8529578c r4:85295400 [ 1330.845248][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.845329][ T32] r7:ddde2d80 r6:83018200 r5:8529578c r4:851cf900 [ 1330.845374][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.845719][ T32] r10:61c88647 r9:85266000 r8:851cf92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.845839][ T32] r4:851cf900 [ 1330.845932][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.846027][ T32] r10:00000000 r9:851cf900 r8:8027f5e8 r7:eaf35e60 r6:851cf980 r5:85266000 [ 1330.846076][ T32] r4:00000001 [ 1330.846110][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.846185][ T32] Exception stack(0xeaf51fb0 to 0xeaf51ff8) [ 1330.846290][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1330.846355][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.846413][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.846492][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.846548][ T32] r4:851cd680 [ 1330.847357][ T32] INFO: task kworker/1:380:4414 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.847429][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.847549][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.847653][ T32] Call trace: [ 1330.847722][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.847816][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.847862][ T32] r4:00000000 [ 1330.847930][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.848062][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.848134][ T32] 9d20: 83efa000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.848189][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.848250][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.848331][ T32] r5:80070013 r4:80239bb0 [ 1330.848377][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.848466][ T32] r4:82ac11a4 [ 1330.848523][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.848638][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.848709][ T32] r4:e47b9dc0 [ 1330.848756][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.848872][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.848921][ T32] r4:00000000 [ 1330.848968][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.849069][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1330.849115][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.849198][ T32] r5:00001000 r4:ece91000 [ 1330.849243][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.849320][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.849403][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.849451][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.849579][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.849631][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.849933][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.873162][ T32] r4:8454d780 [ 1330.873248][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.873383][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.873435][ T32] r4:00000001 [ 1330.873473][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.873554][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.873616][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.873669][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.873731][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.873785][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.873845][ T32] r4:84e5a340 [ 1330.873895][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.873956][ T32] INFO: task kworker/1:381:4417 blocked for more than 457 seconds. [ 1330.874034][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.874083][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.874133][ T32] task:kworker/1:381 state:D stack:0 pid:4417 tgid:4417 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.874277][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.874374][ T32] Call trace: [ 1330.874442][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.874544][ T32] r10:8291880c r9:eaf59d84 r8:00000002 r7:60000113 r6:eaf59d8c r5:85266c00 ** 6 printk messages dropped ** [ 1330.874960][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1330.875373][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1330.875640][ T32] r5:00001000 r4:e05b9000 [ 1330.875679][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1330.875909][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1330.876591][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1330.878159][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 4 printk messages dropped ** [ 1330.878494][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.878553][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.878629][ T32] r5:80070013 r4:80239bb0 [ 1330.878675][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.878764][ T32] r4:82ac11a4 [ 1330.878838][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.878932][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.878991][ T32] r4:e47b9dc0 [ 1330.879035][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.879122][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.879166][ T32] r4:00000000 [ 1330.879203][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.879291][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1330.879340][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.879422][ T32] r5:00001000 r4:ece91000 [ 1330.879491][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.879578][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.879661][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.879815][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.910528][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.910610][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.910749][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.910804][ T32] r4:8454d780 [ 1330.910832][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.910923][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.910966][ T32] r4:00000001 [ 1330.911018][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.911097][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.911154][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.911214][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.911270][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.911330][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.911380][ T32] r4:84e5a340 [ 1330.911424][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.911504][ T32] INFO: task kworker/1:382:4419 blocked for more than 457 seconds. [ 1330.911583][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.911638][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.911736][ T32] task:kworker/1:382 state:D stack:0 pid:4419 tgid:4419 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.911972][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.912133][ T32] Call trace: [ 1330.912204][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.912305][ T32] r10:8291880c r9:eaf61d84 r8:00000002 r7:60000113 r6:eaf61d8c r5:85262400 [ 1330.912733][ T32] r4:85262400 [ 1330.912781][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.912922][ T32] r5:85262400 r4:82918808 [ 1330.912975][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.913070][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.913153][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf61e08 [ 1330.913194][ T32] r4:00000000 [ 1330.913238][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.913309][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.913417][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.913505][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851cd500 [ 1330.913558][ T32] r4:00000000 [ 1330.913591][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.913683][ T32] r9:83018205 r8:85262400 r7:00000000 r6:83018200 r5:00001000 r4:7f07b000 [ 1330.913732][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.913831][ T32] r5:00001000 r4:e47af000 [ 1330.913874][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.913953][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.914049][ T32] r5:85296b8c r4:85296800 [ 1330.914087][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.914175][ T32] r7:ddde2d80 r6:83018200 r5:85296b8c r4:851cfb00 ** 1 printk messages dropped ** [ 1330.914328][ T32] r10:61c88647 r9:85262400 r8:851cfb2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1330.914964][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1330.915139][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1330.915524][ T32] r4:851cda40 ** 2 printk messages dropped ** [ 1330.916531][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1330.916872][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1330.917027][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 5 printk messages dropped ** [ 1330.917436][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1330.917786][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1330.918348][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1330.918617][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.918668][ T32] r4:8454d780 [ 1330.918708][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.918792][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1330.918835][ T32] r4:00000001 [ 1330.918878][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.918949][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1330.919009][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1330.919073][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.919125][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.919177][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.919226][ T32] r4:84e5a340 [ 1330.919263][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.919401][ T32] INFO: task kworker/1:383:4420 blocked for more than 457 seconds. [ 1330.919494][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.919548][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.919586][ T32] task:kworker/1:383 state:D stack:0 pid:4420 tgid:4420 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.919671][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.940448][ T32] Call trace: [ 1330.940632][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.940776][ T32] r10:8291880c r9:eaf5dd84 r8:00000002 r7:60000013 r6:eaf5dd8c r5:85256000 [ 1330.940822][ T32] r4:85256000 [ 1330.940871][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.940955][ T32] r5:85256000 r4:82918808 [ 1330.941004][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.941085][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.941172][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf5de08 [ 1330.941214][ T32] r4:00000000 [ 1330.941256][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.941323][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.941410][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.941500][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851cde00 [ 1330.941551][ T32] r4:00000000 [ 1330.941598][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.941710][ T32] r9:83018205 r8:85256000 r7:00000000 r6:83018200 r5:00001000 r4:7f077000 [ 1330.941761][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.941849][ T32] r5:00001000 r4:e05ff000 [ 1330.941931][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.942027][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.942116][ T32] r5:8529638c r4:85296000 [ 1330.942154][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.942268][ T32] r7:ddde2d80 r6:83018200 r5:8529638c r4:851cfc00 [ 1330.942309][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.942465][ T32] r10:61c88647 r9:85256000 r8:851cfc2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.942515][ T32] r4:851cfc00 [ 1330.942565][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.942654][ T32] r10:00000000 r9:851cfc00 r8:8027f5e8 r7:eaf61e60 r6:851cfc80 r5:85256000 [ 1330.942698][ T32] r4:00000001 [ 1330.942740][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.942813][ T32] Exception stack(0xeaf5dfb0 to 0xeaf5dff8) [ 1330.942875][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.942935][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.942994][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.943058][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.943103][ T32] r4:851cda40 [ 1330.943903][ T32] INFO: task kworker/1:383:4420 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.943985][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.944112][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.944203][ T32] Call trace: [ 1330.944270][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.944367][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.944418][ T32] r4:00000000 [ 1330.944455][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.944533][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.944596][ T32] 9d20: 84ada000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.944651][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 1 printk messages dropped ** [ 1330.944778][ T32] r5:80070013 r4:80239bb0 ** 4 printk messages dropped ** [ 1330.945110][ T32] r4:e47b9dc0 ** 6 printk messages dropped ** [ 1330.945558][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1330.946084][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1330.946629][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1330.947327][ T32] Call trace: ** 7 printk messages dropped ** [ 1330.947919][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf65e08 ** 9 printk messages dropped ** [ 1330.948662][ T32] r5:00001000 r4:e062f000 [ 1330.948706][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1330.949026][ T32] r7:ddde2d80 r6:83018200 r5:8529678c r4:851cfd00 ** 7 printk messages dropped ** [ 1330.949602][ T32] Exception stack(0xeaf65fb0 to 0xeaf65ff8) ** 7 printk messages dropped ** [ 1330.978409][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1330.979112][ T32] 9d20: 84e02000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 8 printk messages dropped ** [ 1330.979692][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 11 printk messages dropped ** [ 1330.981199][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1330.981774][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.981829][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.981877][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.981927][ T32] r4:84e5a340 [ 1330.981970][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1330.982044][ T32] INFO: task kworker/1:385:4426 blocked for more than 457 seconds. [ 1330.982113][ T32] Not tainted 6.15.0-syzkaller #0 [ 1330.982177][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1330.982247][ T32] task:kworker/1:385 state:D stack:0 pid:4426 tgid:4426 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.982352][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.982440][ T32] Call trace: [ 1330.982503][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1330.982605][ T32] r10:8291880c r9:eaf6dd84 r8:00000002 r7:60000013 r6:eaf6dd8c r5:852e8c00 [ 1330.982651][ T32] r4:852e8c00 [ 1330.982695][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1330.982774][ T32] r5:852e8c00 r4:82918808 [ 1330.982820][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1330.982914][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1330.983023][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf6de08 [ 1330.983067][ T32] r4:00000000 [ 1330.983128][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1330.983233][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1330.983322][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.983409][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d8bc0 [ 1330.983453][ T32] r4:00000000 [ 1330.983499][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.983592][ T32] r9:83018205 r8:852e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f07d000 [ 1330.983649][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.983732][ T32] r5:00001000 r4:e47d7000 [ 1330.983781][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.983876][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.983959][ T32] r5:85296f8c r4:85296c00 [ 1330.984031][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.984120][ T32] r7:ddde2d80 r6:83018200 r5:85296f8c r4:851cfe00 [ 1330.984167][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1330.984259][ T32] r10:61c88647 r9:852e8c00 r8:851cfe2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1330.984304][ T32] r4:851cfe00 [ 1330.984377][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1330.984465][ T32] r10:00000000 r9:851cfe00 r8:8027f5e8 r7:eaf61e60 r6:851cfe80 r5:852e8c00 [ 1330.984520][ T32] r4:00000001 [ 1330.984579][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1330.984674][ T32] Exception stack(0xeaf6dfb0 to 0xeaf6dff8) [ 1330.984732][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1330.984794][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1330.984846][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1330.984905][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1330.984964][ T32] r4:851cdec0 [ 1330.985783][ T32] INFO: task kworker/1:385:4426 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1330.985851][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1330.985962][ T32] Workqueue: events bpf_prog_free_deferred [ 1330.986065][ T32] Call trace: [ 1330.986134][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1330.986265][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1330.986356][ T32] r4:00000000 [ 1330.986421][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1330.986497][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1330.986566][ T32] 9d20: 84e02000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1330.986652][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1330.986707][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1330.986791][ T32] r5:80070013 r4:80239bb0 [ 1330.986842][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1330.986932][ T32] r4:82ac11a4 [ 1330.986975][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1330.987077][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1330.987156][ T32] r4:e47b9dc0 [ 1330.987202][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1330.987288][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1330.987335][ T32] r4:00000000 [ 1330.987373][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1330.987490][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1330.987552][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1330.987637][ T32] r5:00001000 r4:ece91000 [ 1330.987685][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1330.987782][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1330.987874][ T32] r5:85a7af8c r4:85a7ac00 [ 1330.987917][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1330.988052][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1330.988112][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 5 printk messages dropped ** [ 1330.988463][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 11 printk messages dropped ** [ 1330.989249][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1331.020810][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf69e08 ** 1 printk messages dropped ** [ 1331.020893][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.020961][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.021057][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.021169][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85212d00 [ 1331.021230][ T32] r4:00000000 [ 1331.021269][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.021363][ T32] r9:83018005 r8:852e9800 r7:00000000 r6:83018000 r5:00001000 r4:7f0a1000 [ 1331.021415][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.021550][ T32] r5:00001000 r4:ead6b000 [ 1331.021598][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.021707][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.021831][ T32] r5:8529f78c r4:8529f400 [ 1331.021917][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.022027][ T32] r7:dddced80 r6:83018000 r5:8529f78c r4:851ee500 [ 1331.022084][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.022174][ T32] r10:61c88647 r9:852e9800 r8:851ee52c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1331.022258][ T32] r4:851ee500 [ 1331.022315][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.022417][ T32] r10:00000000 r9:851ee500 r8:8027f5e8 r7:eaf45e60 r6:851cff00 r5:852e9800 [ 1331.022475][ T32] r4:00000001 [ 1331.022521][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.022598][ T32] Exception stack(0xeaf69fb0 to 0xeaf69ff8) [ 1331.022651][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.022711][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.022763][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.022840][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.022893][ T32] r4:851dfc00 [ 1331.023724][ T32] INFO: task kworker/0:266:4427 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.023794][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.023928][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.024030][ T32] Call trace: [ 1331.024098][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.024196][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.024254][ T32] r4:00000000 [ 1331.024326][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.024408][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.024462][ T32] 9d20: 85262000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.024536][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.024595][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.024640][ T32] r5:80070013 r4:80239bb0 [ 1331.024688][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.024777][ T32] r4:82ac11a4 [ 1331.024817][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.024923][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.025036][ T32] r4:e47b9dc0 [ 1331.025085][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.025172][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.025215][ T32] r4:00000000 [ 1331.025257][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.025665][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.025766][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.025879][ T32] r5:00001000 r4:ece91000 [ 1331.025932][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.026090][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.026247][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.026320][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.026442][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1331.026500][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.026628][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.026682][ T32] r4:8454d780 [ 1331.026733][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.026839][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.026923][ T32] r4:00000001 [ 1331.026971][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.027152][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 2 printk messages dropped ** [ 1331.027371][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1331.027666][ T32] INFO: task kworker/1:386:4428 blocked for more than 457 seconds. ** 3 printk messages dropped ** [ 1331.028005][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1331.028266][ T32] r10:8291880c r9:eaf71d84 r8:00000002 r7:60000013 r6:eaf71d8c r5:852ea400 ** 5 printk messages dropped ** [ 1331.028716][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf71e08 ** 8 printk messages dropped ** [ 1331.029416][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.029501][ T32] r5:00001000 r4:e8817000 ** 3 printk messages dropped ** [ 1331.029820][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1331.051403][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1331.052848][ T32] Call trace: ** 5 printk messages dropped ** [ 1331.053308][ T32] 9d20: 853e0000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 10 printk messages dropped ** [ 1331.054042][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1331.054600][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1331.054859][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1331.055559][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1331.055994][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1331.056671][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf79e08 ** 8 printk messages dropped ** [ 1331.057224][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.057310][ T32] r5:00001000 r4:e47ef000 [ 1331.057353][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.057427][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.057508][ T32] r5:8529738c r4:85297000 [ 1331.057551][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.057676][ T32] r7:ddde2d80 r6:83018200 r5:8529738c r4:851f6080 [ 1331.057803][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.057893][ T32] r10:61c88647 r9:852eb000 r8:851f60ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.057941][ T32] r4:851f6080 [ 1331.057977][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.058088][ T32] r10:00000000 r9:851f6080 r8:8027f5e8 r7:eaf71e60 r6:851f6100 r5:852eb000 [ 1331.058138][ T32] r4:00000001 [ 1331.058175][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.058292][ T32] Exception stack(0xeaf79fb0 to 0xeaf79ff8) [ 1331.058361][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.058413][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.058484][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.058573][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.058633][ T32] r4:851f4000 [ 1331.059167][ T32] INFO: task kworker/1:387:4429 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.059233][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.059419][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.059505][ T32] Call trace: [ 1331.059567][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.059662][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.059715][ T32] r4:00000000 [ 1331.090648][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.090931][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.091002][ T32] 9d20: 85729000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.091071][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.091123][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.091176][ T32] r5:80070013 r4:80239bb0 [ 1331.091244][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.091346][ T32] r4:82ac11a4 [ 1331.091389][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.091480][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.091526][ T32] r4:e47b9dc0 [ 1331.091569][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.091656][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.091701][ T32] r4:00000000 [ 1331.091758][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.091872][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.091936][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.092057][ T32] r5:00001000 r4:ece91000 [ 1331.092121][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.092206][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.092290][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.092377][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.092479][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1331.092540][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.092655][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.092719][ T32] r4:8454d780 [ 1331.092784][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.092906][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.092961][ T32] r4:00000001 [ 1331.093023][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 2 printk messages dropped ** [ 1331.093255][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1331.093611][ T32] INFO: task kworker/1:388:4432 blocked for more than 457 seconds. ** 3 printk messages dropped ** [ 1331.093938][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1331.094316][ T32] r10:8291880c r9:eaf75d84 r8:00000002 r7:60000113 r6:eaf75d8c r5:852ebc00 ** 5 printk messages dropped ** [ 1331.094747][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf75e08 ** 3 printk messages dropped ** [ 1331.095058][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 3 printk messages dropped ** [ 1331.095375][ T32] r9:83018205 r8:852ebc00 r7:00000000 r6:83018200 r5:00001000 r4:7f083000 ** 1 printk messages dropped ** [ 1331.095503][ T32] r5:00001000 r4:ea881000 [ 1331.095545][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.095626][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1331.095879][ T32] r7:ddde2d80 r6:83018200 r5:85297b8c r4:851f6180 ** 4 printk messages dropped ** [ 1331.096321][ T32] r10:00000000 r9:851f6180 r8:8027f5e8 r7:eaf71e60 r6:851f6200 r5:852ebc00 ** 4 printk messages dropped ** [ 1331.096693][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1331.098087][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1331.098508][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 4 printk messages dropped ** [ 1331.098879][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 5 printk messages dropped ** [ 1331.099319][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 3 printk messages dropped ** [ 1331.099540][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1331.099708][ T32] r5:00001000 r4:ece91000 ** 2 printk messages dropped ** [ 1331.120357][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.120409][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.120490][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1331.120514][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.120562][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.120585][ T32] r4:8454d780 [ 1331.120604][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.120649][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.120685][ T32] r4:00000001 [ 1331.120735][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.120778][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.120807][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.120873][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.120903][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.120946][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.120998][ T32] r4:84e5a340 [ 1331.121026][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.121089][ T32] INFO: task kworker/1:389:4435 blocked for more than 457 seconds. [ 1331.121129][ T32] Not tainted 6.15.0-syzkaller #0 [ 1331.121183][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.121209][ T32] task:kworker/1:389 state:D stack:0 pid:4435 tgid:4435 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.121378][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.121454][ T32] Call trace: [ 1331.121493][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1331.121595][ T32] r10:8291880c r9:eaf81d84 r8:00000002 r7:60000013 r6:eaf81d8c r5:852ec800 [ 1331.121622][ T32] r4:852ec800 [ 1331.121746][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1331.121827][ T32] r5:852ec800 r4:82918808 [ 1331.121852][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.121894][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.121938][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf81e08 [ 1331.121960][ T32] r4:00000000 [ 1331.122016][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.122066][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.122136][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.122209][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f4880 [ 1331.122238][ T32] r4:00000000 [ 1331.122259][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.122333][ T32] r9:83018205 r8:852ec800 r7:00000000 r6:83018200 r5:00001000 r4:7f087000 [ 1331.122371][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.122452][ T32] r5:00001000 r4:ea9e9000 [ 1331.122477][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.122516][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.122571][ T32] r5:8529c38c r4:8529c000 [ 1331.122594][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.122652][ T32] r7:ddde2d80 r6:83018200 r5:8529c38c r4:851f6280 [ 1331.122676][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.122723][ T32] r10:61c88647 r9:852ec800 r8:851f62ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.122745][ T32] r4:851f6280 [ 1331.122763][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.122817][ T32] r10:00000000 r9:851f6280 r8:8027f5e8 r7:eaf75e60 r6:851f6300 r5:852ec800 [ 1331.122892][ T32] r4:00000001 [ 1331.122915][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.122952][ T32] Exception stack(0xeaf81fb0 to 0xeaf81ff8) [ 1331.122980][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1331.123009][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.123036][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.123071][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.123093][ T32] r4:851f43c0 [ 1331.123795][ T32] INFO: task kworker/1:389:4435 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.123880][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.124091][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.124238][ T32] Call trace: [ 1331.124316][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.124425][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.124477][ T32] r4:00000000 [ 1331.124545][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.124633][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.124696][ T32] 9d20: 85a7f000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.124765][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.124843][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.124907][ T32] r5:80070013 r4:80239bb0 [ 1331.124934][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.124982][ T32] r4:82ac11a4 [ 1331.125004][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.125060][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.125085][ T32] r4:e47b9dc0 [ 1331.125104][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.125161][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.125188][ T32] r4:00000000 [ 1331.125234][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.125283][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.125306][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.125347][ T32] r5:00001000 r4:ece91000 [ 1331.125383][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.125426][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.125468][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.125493][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.125541][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1331.125562][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.125605][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.125628][ T32] r4:8454d780 [ 1331.125646][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.125754][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.125805][ T32] r4:00000001 [ 1331.125854][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.125899][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.125927][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.125955][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.125981][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.126010][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.126032][ T32] r4:84e5a340 [ 1331.126058][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.126084][ T32] INFO: task kworker/1:390:4436 blocked for more than 457 seconds. [ 1331.126142][ T32] Not tainted 6.15.0-syzkaller #0 [ 1331.126208][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.126237][ T32] task:kworker/1:390 state:D stack:0 pid:4436 tgid:4436 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.126368][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.126440][ T32] Call trace: [ 1331.126474][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1331.126524][ T32] r10:8291880c r9:eaf7dd84 r8:00000002 r7:60000113 r6:eaf7dd8c r5:852ed400 [ 1331.126547][ T32] r4:852ed400 [ 1331.126566][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1331.126605][ T32] r5:852ed400 r4:82918808 [ 1331.126626][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.126661][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.126701][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf7de08 [ 1331.126790][ T32] r4:00000000 [ 1331.126813][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.126874][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.126914][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.126957][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f46c0 [ 1331.126979][ T32] r4:00000000 [ 1331.127002][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.127050][ T32] r9:83018205 r8:852ed400 r7:00000000 r6:83018200 r5:00001000 r4:7f085000 [ 1331.127088][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.127186][ T32] r5:00001000 r4:ea9c7000 [ 1331.127210][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.127250][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.127292][ T32] r5:85297f8c r4:85297c00 [ 1331.127364][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.127412][ T32] r7:ddde2d80 r6:83018200 r5:85297f8c r4:851f6380 [ 1331.127452][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.127501][ T32] r10:61c88647 r9:852ed400 r8:851f63ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.127536][ T32] r4:851f6380 [ 1331.127560][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.127603][ T32] r10:00000000 r9:851f6380 r8:8027f5e8 r7:eaf81e60 r6:851f6400 r5:852ed400 [ 1331.127627][ T32] r4:00000001 [ 1331.127647][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.127682][ T32] Exception stack(0xeaf7dfb0 to 0xeaf7dff8) [ 1331.127710][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.127754][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.127785][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.127816][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.127853][ T32] r4:851f4680 [ 1331.128226][ T32] INFO: task kworker/1:390:4436 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.128263][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.128366][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.128418][ T32] Call trace: [ 1331.128479][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.128535][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.128580][ T32] r4:00000000 [ 1331.128624][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.128667][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.128697][ T32] 9d20: 85a7f000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.128935][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.128967][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.128993][ T32] r5:80070013 r4:80239bb0 [ 1331.129040][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.129108][ T32] r4:82ac11a4 [ 1331.129134][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.129208][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.129235][ T32] r4:e47b9dc0 [ 1331.129256][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.129404][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.129432][ T32] r4:00000000 [ 1331.129453][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.129499][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.129533][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.129590][ T32] r5:00001000 r4:ece91000 [ 1331.129611][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.129650][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.129718][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.129800][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.152349][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1331.152430][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.152507][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.152533][ T32] r4:8454d780 [ 1331.152554][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.152602][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.152630][ T32] r4:00000001 [ 1331.152678][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.152722][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.152755][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.152786][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.152839][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.152874][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.152899][ T32] r4:84e5a340 [ 1331.152925][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.153018][ T32] INFO: task kworker/1:391:4438 blocked for more than 457 seconds. [ 1331.153068][ T32] Not tainted 6.15.0-syzkaller #0 [ 1331.153120][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.153173][ T32] task:kworker/1:391 state:D stack:0 pid:4438 tgid:4438 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.153260][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.153340][ T32] Call trace: [ 1331.153556][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1331.153699][ T32] r10:8291880c r9:eaf85d84 r8:00000002 r7:60000013 r6:eaf85d8c r5:852ee000 [ 1331.153760][ T32] r4:852ee000 [ 1331.153821][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1331.153940][ T32] r5:852ee000 r4:82918808 [ 1331.154019][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.154122][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.154255][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf85e08 [ 1331.154312][ T32] r4:00000000 [ 1331.154388][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.154491][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.154588][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.154692][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f49c0 [ 1331.154753][ T32] r4:00000000 [ 1331.154805][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.154917][ T32] r9:83018205 r8:852ee000 r7:00000000 r6:83018200 r5:00001000 r4:7f089000 [ 1331.154976][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.155090][ T32] r5:00001000 r4:eaa05000 [ 1331.155145][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.155265][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.155372][ T32] r5:8529c78c r4:8529c400 [ 1331.155439][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.155545][ T32] r7:ddde2d80 r6:83018200 r5:8529c78c r4:851f6480 [ 1331.155602][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.155713][ T32] r10:61c88647 r9:852ee000 r8:851f64ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.155796][ T32] r4:851f6480 [ 1331.155855][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.155962][ T32] r10:00000000 r9:851f6480 r8:8027f5e8 r7:eaf81e60 r6:851f6500 r5:852ee000 [ 1331.156061][ T32] r4:00000001 [ 1331.156134][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.156226][ T32] Exception stack(0xeaf85fb0 to 0xeaf85ff8) [ 1331.156293][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1331.156364][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.156430][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.156497][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.156552][ T32] r4:851f43c0 [ 1331.157108][ T32] INFO: task kworker/1:391:4438 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.157152][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.157238][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.157288][ T32] Call trace: [ 1331.157322][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.157396][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.157425][ T32] r4:00000000 [ 1331.157473][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.157529][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.157564][ T32] 9d20: 85bef000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.157624][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.157655][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.157713][ T32] r5:80070013 r4:80239bb0 [ 1331.157740][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.157790][ T32] r4:82ac11a4 [ 1331.157812][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.157865][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.157890][ T32] r4:e47b9dc0 [ 1331.157936][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.157985][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.158037][ T32] r4:00000000 [ 1331.158097][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.158148][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.158173][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.158295][ T32] r5:00001000 r4:ece91000 [ 1331.158407][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.158504][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.158564][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.158596][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.158646][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1331.158668][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.158792][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.158820][ T32] r4:8454d780 [ 1331.158841][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.158903][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.158981][ T32] r4:00000001 [ 1331.159005][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.159043][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.159076][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.159110][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.159165][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.159226][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.159253][ T32] r4:84e5a340 [ 1331.159275][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.159304][ T32] INFO: task kworker/1:392:4440 blocked for more than 457 seconds. [ 1331.159339][ T32] Not tainted 6.15.0-syzkaller #0 [ 1331.159366][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.159388][ T32] task:kworker/1:392 state:D stack:0 pid:4440 tgid:4440 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.159435][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.159478][ T32] Call trace: [ 1331.159511][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1331.159586][ T32] r10:8291880c r9:eaf8dd84 r8:00000002 r7:60000113 r6:eaf8dd8c r5:852eec00 [ 1331.159615][ T32] r4:852eec00 [ 1331.159714][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1331.179432][ T32] r5:852eec00 r4:82918808 [ 1331.179544][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.179616][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.179664][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf8de08 [ 1331.179690][ T32] r4:00000000 [ 1331.179779][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.180193][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.180281][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.180360][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f4b40 [ 1331.180391][ T32] r4:00000000 [ 1331.180439][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.180491][ T32] r9:83018205 r8:852eec00 r7:00000000 r6:83018200 r5:00001000 r4:7f08b000 [ 1331.180515][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.180558][ T32] r5:00001000 r4:eaa27000 [ 1331.180655][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.180700][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.180745][ T32] r5:8529cb8c r4:8529c800 [ 1331.180764][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.180810][ T32] r7:ddde2d80 r6:83018200 r5:8529cb8c r4:851f6580 [ 1331.180831][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.180877][ T32] r10:61c88647 r9:852eec00 r8:851f65ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.180899][ T32] r4:851f6580 [ 1331.180918][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.180961][ T32] r10:00000000 r9:851f6580 r8:8027f5e8 r7:eaf85e60 r6:851f6600 r5:852eec00 [ 1331.181000][ T32] r4:00000001 [ 1331.181024][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.181068][ T32] Exception stack(0xeaf8dfb0 to 0xeaf8dff8) [ 1331.181098][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.181127][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.181153][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.181181][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.181203][ T32] r4:851f4840 [ 1331.181698][ T32] INFO: task kworker/1:392:4440 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.181733][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.181902][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.181950][ T32] Call trace: [ 1331.181982][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.182030][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.182086][ T32] r4:00000000 [ 1331.182162][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.182271][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.182307][ T32] 9d20: 85e1b000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.182389][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.182420][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.182494][ T32] r5:80070013 r4:80239bb0 [ 1331.182519][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.182566][ T32] r4:82ac11a4 [ 1331.182599][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.182676][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.182702][ T32] r4:e47b9dc0 [ 1331.182724][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.182768][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.182826][ T32] r4:00000000 [ 1331.182850][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.182923][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.182948][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.182991][ T32] r5:00001000 r4:ece91000 [ 1331.183012][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.183057][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.183099][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.183119][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.183165][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1331.183186][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.183230][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.183258][ T32] r4:8454d780 [ 1331.183334][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.183495][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.183585][ T32] r4:00000001 [ 1331.183638][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.183729][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.183810][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.183904][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.184001][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.184091][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.184149][ T32] r4:84e5a340 [ 1331.184218][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.184344][ T32] INFO: task kworker/1:393:4442 blocked for more than 457 seconds. [ 1331.184431][ T32] Not tainted 6.15.0-syzkaller #0 [ 1331.184516][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.184586][ T32] task:kworker/1:393 state:D stack:0 pid:4442 tgid:4442 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.184694][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.184805][ T32] Call trace: [ 1331.184906][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1331.185003][ T32] r10:8291880c r9:eaf91d84 r8:00000002 r7:60000013 r6:eaf91d8c r5:852f8000 [ 1331.185031][ T32] r4:852f8000 [ 1331.185074][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1331.185121][ T32] r5:852f8000 r4:82918808 [ 1331.185141][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.185269][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.185369][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf91e08 [ 1331.185425][ T32] r4:00000000 [ 1331.185448][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.185483][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.185548][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.185597][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f4fc0 [ 1331.185638][ T32] r4:00000000 [ 1331.185727][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.185833][ T32] r9:83018205 r8:852f8000 r7:00000000 r6:83018200 r5:00001000 r4:7f091000 [ 1331.185871][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.186208][ T32] r5:00001000 r4:eaa7f000 [ 1331.186235][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.186327][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.186373][ T32] r5:8529d78c r4:8529d400 [ 1331.186418][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.186465][ T32] r7:ddde2d80 r6:83018200 r5:8529d78c r4:851f6680 [ 1331.186487][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.186532][ T32] r10:61c88647 r9:852f8000 r8:851f66ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.186554][ T32] r4:851f6680 [ 1331.186575][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.186617][ T32] r10:00000000 r9:851f6680 r8:8027f5e8 r7:eaf8de60 r6:851f6700 r5:852f8000 [ 1331.186692][ T32] r4:00000001 [ 1331.186740][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.186795][ T32] Exception stack(0xeaf91fb0 to 0xeaf91ff8) [ 1331.186886][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1331.186970][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.187041][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.187083][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.187107][ T32] r4:851f4940 [ 1331.187473][ T32] INFO: task kworker/1:393:4442 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.187588][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.187734][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.187780][ T32] Call trace: [ 1331.187934][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.188038][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.188083][ T32] r4:00000000 [ 1331.188135][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.188266][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.188372][ T32] 9d20: 85e1b000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.188463][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.188528][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.188587][ T32] r5:80070013 r4:80239bb0 ** 4 printk messages dropped ** [ 1331.188989][ T32] r4:e47b9dc0 ** 8 printk messages dropped ** [ 1331.220307][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1331.220713][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 9 printk messages dropped ** [ 1331.221053][ T32] INFO: task kworker/1:394:4443 blocked for more than 457 seconds. ** 1 printk messages dropped ** [ 1331.221146][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.221199][ T32] task:kworker/1:394 state:D stack:0 pid:4443 tgid:4443 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.221263][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.221316][ T32] Call trace: [ 1331.221350][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1331.221414][ T32] r10:8291880c r9:eaf89d84 r8:00000002 r7:60000013 r6:eaf89d8c r5:852f8c00 [ 1331.221441][ T32] r4:852f8c00 [ 1331.221462][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1331.221502][ T32] r5:852f8c00 r4:82918808 [ 1331.221522][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.221558][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.221605][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf89e08 [ 1331.221654][ T32] r4:00000000 [ 1331.221688][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.221729][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.221774][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.221871][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f4cc0 [ 1331.221926][ T32] r4:00000000 [ 1331.221977][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.222097][ T32] r9:83018205 r8:852f8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f08d000 [ 1331.222158][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.222289][ T32] r5:00001000 r4:eaa3d000 [ 1331.222360][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.222460][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.222567][ T32] r5:8529cf8c r4:8529cc00 [ 1331.222637][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.222764][ T32] r7:ddde2d80 r6:83018200 r5:8529cf8c r4:851f6780 [ 1331.222843][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.222969][ T32] r10:61c88647 r9:852f8c00 r8:851f67ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.223036][ T32] r4:851f6780 [ 1331.223098][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 4 printk messages dropped ** [ 1331.223499][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1331.223718][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.223766][ T32] r4:851f4940 [ 1331.224629][ T32] INFO: task kworker/1:394:4443 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.224738][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.224878][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.225036][ T32] Call trace: [ 1331.225115][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.225214][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.225267][ T32] r4:00000000 [ 1331.225333][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.225437][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.225519][ T32] 9d20: 865ab000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.225589][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.225647][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.225705][ T32] r5:80070013 r4:80239bb0 [ 1331.225773][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.225874][ T32] r4:82ac11a4 [ 1331.225944][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.226073][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.226127][ T32] r4:e47b9dc0 [ 1331.226223][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.226331][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.226405][ T32] r4:00000000 [ 1331.226465][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.226569][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.226641][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.226762][ T32] r5:00001000 r4:ece91000 [ 1331.226837][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1331.227028][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1331.227350][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1331.228033][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1331.228587][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1331.229024][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 9 printk messages dropped ** [ 1331.250499][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1331.250653][ T32] r5:00001000 r4:eaa5d000 [ 1331.250694][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.250742][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1331.250917][ T32] r10:61c88647 r9:852f9800 r8:851f68ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1331.251439][ T32] r4:851f4d40 ** 3 printk messages dropped ** [ 1331.252160][ T32] Call trace: ** 5 printk messages dropped ** [ 1331.252549][ T32] 9d20: 867a5000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 10 printk messages dropped ** [ 1331.252953][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1331.253178][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1331.253667][ T32] r4:00000001 [ 1331.253721][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.253805][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.253885][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.253984][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.254074][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.254143][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.254227][ T32] r4:84e5a340 [ 1331.254282][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.254345][ T32] INFO: task kworker/1:396:4448 blocked for more than 457 seconds. [ 1331.254422][ T32] Not tainted 6.15.0-syzkaller #0 [ 1331.254479][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.254566][ T32] task:kworker/1:396 state:D stack:0 pid:4448 tgid:4448 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.254692][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.254784][ T32] Call trace: [ 1331.254879][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1331.254983][ T32] r10:8291880c r9:eaf9dd84 r8:00000002 r7:60000013 r6:eaf9dd8c r5:852fa400 [ 1331.255062][ T32] r4:852fa400 [ 1331.255137][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1331.255240][ T32] r5:852fa400 r4:82918808 [ 1331.255292][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.255380][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.255472][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf9de08 [ 1331.255524][ T32] r4:00000000 [ 1331.255573][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.255663][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.255992][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.256257][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85212040 [ 1331.256287][ T32] r4:00000000 [ 1331.256313][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.256438][ T32] r9:83018205 r8:852fa400 r7:00000000 r6:83018200 r5:00001000 r4:7f093000 [ 1331.256533][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.256580][ T32] r5:00001000 r4:eaa95000 [ 1331.256600][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.256639][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.256725][ T32] r5:8529db8c r4:8529d800 [ 1331.256788][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.256903][ T32] r7:ddde2d80 r6:83018200 r5:8529db8c r4:851f6980 [ 1331.256976][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.257108][ T32] r10:61c88647 r9:852fa400 r8:851f69ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.257201][ T32] r4:851f6980 [ 1331.257261][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.257363][ T32] r10:00000000 r9:851f6980 r8:8027f5e8 r7:eaf91e60 r6:851f6a00 r5:852fa400 [ 1331.257419][ T32] r4:00000001 [ 1331.257489][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.257676][ T32] Exception stack(0xeaf9dfb0 to 0xeaf9dff8) [ 1331.257757][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.257828][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.257894][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.257962][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.258018][ T32] r4:85212000 [ 1331.258666][ T32] INFO: task kworker/1:396:4448 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.258732][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.258802][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.258901][ T32] Call trace: [ 1331.258937][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.259041][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 6 printk messages dropped ** [ 1331.259304][ T32] r5:80070013 r4:80239bb0 ** 14 printk messages dropped ** [ 1331.282028][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1331.282180][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.282235][ T32] r4:8454d780 [ 1331.282287][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.282366][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.282420][ T32] r4:00000001 [ 1331.282443][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.282533][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.282568][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.282625][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.282658][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.282687][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.282709][ T32] r4:84e5a340 [ 1331.282750][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.282821][ T32] INFO: task kworker/1:397:4449 blocked for more than 457 seconds. [ 1331.282862][ T32] Not tainted 6.15.0-syzkaller #0 [ 1331.282967][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.283007][ T32] task:kworker/1:397 state:D stack:0 pid:4449 tgid:4449 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.283131][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1331.283607][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 13 printk messages dropped ** [ 1331.284819][ T32] r5:00001000 r4:eaabb000 ** 3 printk messages dropped ** [ 1331.285136][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1331.285930][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 13 printk messages dropped ** [ 1331.287156][ T32] 9d20: 86a49000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 14 printk messages dropped ** [ 1331.288123][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1331.288547][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 15 printk messages dropped ** [ 1331.289132][ T32] task:kworker/1:398 state:D stack:0 pid:4452 tgid:4452 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1331.289531][ T32] r4:852fbc00 [ 1331.289555][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1331.289649][ T32] r5:852fbc00 r4:82918808 [ 1331.289672][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.289709][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.314920][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafa5e08 [ 1331.315099][ T32] r4:00000000 [ 1331.315160][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.315255][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.315301][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.315345][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85212840 [ 1331.315385][ T32] r4:00000000 [ 1331.315438][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.315491][ T32] r9:83018205 r8:852fbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f09b000 [ 1331.315515][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.315585][ T32] r5:00001000 r4:eab47000 [ 1331.315608][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.315673][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1331.316223][ T32] Exception stack(0xeafa5fb0 to 0xeafa5ff8) ** 12 printk messages dropped ** [ 1331.317350][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 14 printk messages dropped ** [ 1331.318084][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 13 printk messages dropped ** [ 1331.318645][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 12 printk messages dropped ** [ 1331.319316][ T32] Call trace: ** 8 printk messages dropped ** [ 1331.319756][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1331.332740][ T32] r5:00001000 r4:eaae3000 ** 1 printk messages dropped ** [ 1331.332856][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 12 printk messages dropped ** [ 1331.333471][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 14 printk messages dropped ** [ 1331.334958][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 15 printk messages dropped ** [ 1331.335601][ T32] r5:85a7af8c r4:85a7ac00 ** 2 printk messages dropped ** [ 1331.335741][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.335813][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.335884][ T32] r4:8454d780 [ 1331.335947][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.336070][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.336137][ T32] r4:00000001 [ 1331.336186][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.336273][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.336382][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.336475][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.336565][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.336644][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.336722][ T32] r4:84e5a340 [ 1331.336781][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.336848][ T32] INFO: task kworker/1:400:4455 blocked for more than 457 seconds. [ 1331.336942][ T32] Not tainted 6.15.0-syzkaller #0 [ 1331.337010][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.337075][ T32] task:kworker/1:400 state:D stack:0 pid:4455 tgid:4455 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.337184][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.337302][ T32] Call trace: [ 1331.337399][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1331.337508][ T32] r10:8291880c r9:eafb1d84 r8:00000002 r7:60000013 r6:eafb1d8c r5:851ac800 [ 1331.337564][ T32] r4:851ac800 [ 1331.337597][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1331.337639][ T32] r5:851ac800 r4:82918808 [ 1331.337672][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.337715][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.337758][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafb1e08 [ 1331.337785][ T32] r4:00000000 [ 1331.337805][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.337840][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.337875][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.337928][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85212700 ** 4 printk messages dropped ** [ 1331.338112][ T32] r5:00001000 r4:eab05000 ** 4 printk messages dropped ** [ 1331.338322][ T32] r7:ddde2d80 r6:83018200 r5:8529e78c r4:851f6d00 ** 10 printk messages dropped ** [ 1331.339009][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 14 printk messages dropped ** [ 1331.363281][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1331.363602][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.363627][ T32] r4:00000000 [ 1331.363673][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.363724][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.363796][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.363985][ T32] r5:00001000 r4:ece91000 [ 1331.364009][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.364053][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.364125][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.364171][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.364221][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1331.364244][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.364293][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.364317][ T32] r4:8454d780 [ 1331.364337][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.364380][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.364407][ T32] r4:00000001 [ 1331.364454][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.364493][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.364621][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.364653][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.364706][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.364738][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1331.365200][ T32] r10:8291880c r9:eafa9d84 r8:00000002 r7:60000013 r6:eafa9d8c r5:852fc800 ** 11 printk messages dropped ** [ 1331.365690][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1331.365868][ T32] r5:00001000 r4:eab59000 ** 3 printk messages dropped ** [ 1331.366012][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 16 printk messages dropped ** [ 1331.367528][ T32] Workqueue: events bpf_prog_free_deferred ** 13 printk messages dropped ** [ 1331.368400][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 14 printk messages dropped ** [ 1331.390766][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 17 printk messages dropped ** [ 1331.392006][ T32] Call trace: ** 7 printk messages dropped ** [ 1331.392560][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafb5e08 [ 1331.392610][ T32] r4:00000000 [ 1331.392653][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.392722][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.392809][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.392916][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f3940 [ 1331.393000][ T32] r4:00000000 [ 1331.393069][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.393153][ T32] r9:83018205 r8:852fe000 r7:00000000 r6:83018200 r5:00001000 r4:7f051000 [ 1331.393242][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.393340][ T32] r5:00001000 r4:eac1d000 [ 1331.393386][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.393450][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.393557][ T32] r5:8516678c r4:85166400 [ 1331.393582][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.393627][ T32] r7:ddde2d80 r6:83018200 r5:8516678c r4:851f6e80 [ 1331.393765][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.393831][ T32] r10:61c88647 r9:852fe000 r8:851f6eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.393856][ T32] r4:851f6e80 [ 1331.393875][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.393919][ T32] r10:00000000 r9:851f6e80 r8:8027f5e8 r7:eafa9e60 r6:851f6f00 r5:852fe000 [ 1331.394054][ T32] r4:00000001 [ 1331.394147][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.394219][ T32] Exception stack(0xeafb5fb0 to 0xeafb5ff8) [ 1331.394293][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1331.394515][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.394675][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.394730][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.394754][ T32] r4:85212740 [ 1331.395302][ T32] INFO: task kworker/1:402:4460 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.395344][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.395440][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.395517][ T32] Call trace: [ 1331.395878][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.396296][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.396341][ T32] r4:00000000 [ 1331.396380][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.396423][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 2 printk messages dropped ** [ 1331.396505][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 12 printk messages dropped ** [ 1331.398345][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1331.399213][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 14 printk messages dropped ** [ 1331.426179][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 14 printk messages dropped ** [ 1331.427038][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1331.427256][ T32] r5:00001000 r4:eab9d000 ** 4 printk messages dropped ** [ 1331.427467][ T32] r7:ddde2d80 r6:83018200 r5:8529f38c r4:8521d000 [ 1331.427489][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.427588][ T32] r10:61c88647 r9:852fec00 r8:8521d02c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.427755][ T32] r4:8521d000 [ 1331.427783][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.427833][ T32] r10:00000000 r9:8521d000 r8:8027f5e8 r7:eafb5e60 r6:8521d080 r5:852fec00 [ 1331.428015][ T32] r4:00000001 [ 1331.428042][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.428087][ T32] Exception stack(0xeaf99fb0 to 0xeaf99ff8) [ 1331.428115][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.428146][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.428173][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.428228][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.428300][ T32] r4:85212b00 [ 1331.428825][ T32] INFO: task kworker/1:403:4461 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.428890][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.428977][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.429036][ T32] Call trace: [ 1331.429116][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.429210][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.429257][ T32] r4:00000000 [ 1331.429298][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.429382][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.429441][ T32] 9d20: 87b4c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.429500][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 1 printk messages dropped ** [ 1331.429598][ T32] r5:80070013 r4:80239bb0 ** 11 printk messages dropped ** [ 1331.438435][ T32] r5:00001000 r4:ece91000 ** 9 printk messages dropped ** [ 1331.438959][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 13 printk messages dropped ** [ 1331.445025][ T32] Workqueue: events bpf_prog_free_deferred ** 12 printk messages dropped ** [ 1331.445668][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1331.445974][ T32] r5:00001000 r4:eac45000 ** 4 printk messages dropped ** [ 1331.446329][ T32] r7:ddde2d80 r6:83018200 r5:8529fb8c r4:8521d100 ** 12 printk messages dropped ** [ 1331.446964][ T32] r4:85212d40 ** 6 printk messages dropped ** [ 1331.447938][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1331.448311][ T32] r5:80070013 r4:80239bb0 ** 10 printk messages dropped ** [ 1331.448750][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 12 printk messages dropped ** [ 1331.449387][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 10 printk messages dropped ** [ 1331.463172][ T32] task:kworker/0:267 state:D stack:0 pid:4465 tgid:4465 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.463286][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.463363][ T32] Call trace: [ 1331.463402][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1331.463493][ T32] r10:8291880c r9:eafb9d84 r8:00000002 r7:60000113 r6:eafb9d8c r5:851ad400 [ 1331.463548][ T32] r4:851ad400 [ 1331.463574][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1331.463617][ T32] r5:851ad400 r4:82918808 [ 1331.463665][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.463708][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.463752][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafb9e08 [ 1331.463806][ T32] r4:00000000 [ 1331.463854][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.463919][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.463964][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.464008][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8521f300 [ 1331.464030][ T32] r4:00000000 [ 1331.464069][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.464121][ T32] r9:83018005 r8:851ad400 r7:00000000 r6:83018000 r5:00001000 r4:7f0a5000 [ 1331.464144][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.464185][ T32] r5:00001000 r4:eafc7000 [ 1331.464216][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.464294][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.464380][ T32] r5:8516778c r4:85167400 [ 1331.464431][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.464532][ T32] r7:dddced80 r6:83018000 r5:8516778c r4:851ee680 [ 1331.464597][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.464701][ T32] r10:61c88647 r9:851ad400 r8:851ee6ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1331.464756][ T32] r4:851ee680 [ 1331.464803][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.464892][ T32] r10:00000000 r9:851ee680 r8:8027f5e8 r7:eaf45e60 r6:851ee700 r5:851ad400 [ 1331.464938][ T32] r4:00000001 [ 1331.464978][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.465069][ T32] Exception stack(0xeafb9fb0 to 0xeafb9ff8) [ 1331.465150][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.465191][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.465219][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1331.466185][ T32] Workqueue: events bpf_prog_free_deferred ** 14 printk messages dropped ** [ 1331.467205][ T32] r4:e47b9dc0 ** 8 printk messages dropped ** [ 1331.467596][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 16 printk messages dropped ** [ 1331.468560][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 13 printk messages dropped ** [ 1331.469659][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafc5e08 ** 9 printk messages dropped ** [ 1331.490974][ T32] r5:00001000 r4:eafd3000 ** 4 printk messages dropped ** [ 1331.491304][ T32] r7:dddced80 r6:83018000 r5:85167b8c r4:851ee780 ** 10 printk messages dropped ** [ 1331.492042][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 13 printk messages dropped ** [ 1331.493453][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 14 printk messages dropped ** [ 1331.494269][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 13 printk messages dropped ** [ 1331.495037][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1331.495152][ T32] r4:84e5a340 [ 1331.495205][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.495242][ T32] INFO: task kworker/0:269:4469 blocked for more than 458 seconds. [ 1331.495302][ T32] Not tainted 6.15.0-syzkaller #0 [ 1331.495341][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.495376][ T32] task:kworker/0:269 state:D stack:0 pid:4469 tgid:4469 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.495453][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.495544][ T32] Call trace: [ 1331.495615][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1331.495711][ T32] r10:8291880c r9:eafd1d84 r8:00000002 r7:60000113 r6:eafd1d8c r5:851ae000 [ 1331.495783][ T32] r4:851ae000 [ 1331.495839][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1331.495934][ T32] r5:851ae000 r4:82918808 [ 1331.495989][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.496078][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.496188][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafd1e08 [ 1331.496248][ T32] r4:00000000 [ 1331.496296][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.496374][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.496465][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.496533][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8521f600 [ 1331.496558][ T32] r4:00000000 [ 1331.496605][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.496679][ T32] r9:83018005 r8:851ae000 r7:00000000 r6:83018000 r5:00001000 r4:7f0a9000 [ 1331.496726][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.496797][ T32] r5:00001000 r4:eafdf000 [ 1331.496850][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.496918][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.497019][ T32] r5:85167f8c r4:85167c00 [ 1331.497060][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.497107][ T32] r7:dddced80 r6:83018000 r5:85167f8c r4:851ee880 [ 1331.497173][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.497271][ T32] r10:61c88647 r9:851ae000 r8:851ee8ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1331.497341][ T32] r4:851ee880 [ 1331.497366][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.497473][ T32] r10:00000000 r9:851ee880 r8:8027f5e8 r7:eafc5e60 r6:851ee900 r5:851ae000 [ 1331.497508][ T32] r4:00000001 [ 1331.497550][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.497630][ T32] Exception stack(0xeafd1fb0 to 0xeafd1ff8) [ 1331.497661][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1331.497723][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.497755][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.497795][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.497843][ T32] r4:8521f280 [ 1331.498374][ T32] INFO: task kworker/0:269:4469 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.498441][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.498544][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1331.498772][ T32] r4:00000000 ** 9 printk messages dropped ** [ 1331.499385][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 13 printk messages dropped ** [ 1331.523292][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 16 printk messages dropped ** [ 1331.524223][ T32] task:kworker/0:270 state:D stack:0 pid:4471 tgid:4471 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 15 printk messages dropped ** [ 1331.525221][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1331.525406][ T32] r5:00001000 r4:df95d000 ** 4 printk messages dropped ** [ 1331.525764][ T32] r7:dddced80 r6:83018000 r5:8516c78c r4:851ee980 ** 9 printk messages dropped ** [ 1331.526419][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.526498][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.526563][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.526627][ T32] r4:8521f400 [ 1331.527192][ T32] INFO: task kworker/0:270:4471 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.527264][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.527382][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.527479][ T32] Call trace: [ 1331.527551][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.527651][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.527702][ T32] r4:00000000 [ 1331.527749][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.527830][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.527929][ T32] 9d20: 88bb0000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.528037][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.528107][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.528160][ T32] r5:80070013 r4:80239bb0 [ 1331.528184][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.528252][ T32] r4:82ac11a4 [ 1331.528279][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.528375][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.528401][ T32] r4:e47b9dc0 [ 1331.528456][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.528563][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.528611][ T32] r4:00000000 [ 1331.528644][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.528692][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.528722][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1331.529150][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 15 printk messages dropped ** [ 1331.550305][ T32] task:kworker/0:271 state:D stack:0 pid:4476 tgid:4476 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 18 printk messages dropped ** [ 1331.551397][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1331.551574][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 14 printk messages dropped ** [ 1331.552376][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 12 printk messages dropped ** [ 1331.553881][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 12 printk messages dropped ** [ 1331.554427][ T32] r5:00001000 r4:ece91000 ** 9 printk messages dropped ** [ 1331.554885][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 14 printk messages dropped ** [ 1331.555680][ T32] Call trace: ** 9 printk messages dropped ** [ 1331.556125][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1331.556441][ T32] r5:00001000 r4:dfb71000 [ 1331.556461][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.556501][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.556561][ T32] r5:8516cf8c r4:8516cc00 [ 1331.556618][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.556668][ T32] r7:dddced80 r6:83018000 r5:8516cf8c r4:851eeb80 [ 1331.556711][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.556771][ T32] r10:61c88647 r9:851aa400 r8:851eebac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1331.556817][ T32] r4:851eeb80 [ 1331.556842][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.556924][ T32] r10:00000000 r9:851eeb80 r8:8027f5e8 r7:eafe9e60 r6:851eec00 r5:851aa400 [ 1331.556953][ T32] r4:00000001 [ 1331.556973][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.557063][ T32] Exception stack(0xeaff5fb0 to 0xeaff5ff8) [ 1331.557102][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1331.557153][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.557189][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.557220][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.557255][ T32] r4:8521f840 [ 1331.557537][ T32] INFO: task kworker/0:272:4478 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.557570][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.557650][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.557711][ T32] Call trace: [ 1331.557777][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.557850][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.557884][ T32] r4:00000000 [ 1331.557906][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.557946][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.557974][ T32] 9d20: 88d42000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 1 printk messages dropped ** [ 1331.558051][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 8 printk messages dropped ** [ 1331.558449][ T32] r4:00000000 ** 9 printk messages dropped ** [ 1331.558931][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 12 printk messages dropped ** [ 1331.559465][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 13 printk messages dropped ** [ 1331.580820][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac39e08 ** 9 printk messages dropped ** [ 1331.581549][ T32] r5:00001000 r4:dfe4f000 ** 4 printk messages dropped ** [ 1331.581933][ T32] r7:dddced80 r6:83018000 r5:8516d78c r4:851eec80 ** 12 printk messages dropped ** [ 1331.582604][ T32] r4:8521fc00 ** 2 printk messages dropped ** [ 1331.583658][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1331.584032][ T32] 9d20: 89184000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 10 printk messages dropped ** [ 1331.584634][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1331.585229][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 8 printk messages dropped ** [ 1331.585698][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1331.585980][ T32] INFO: task kworker/0:274:4482 blocked for more than 458 seconds. [ 1331.586088][ T32] Not tainted 6.15.0-syzkaller #0 [ 1331.586120][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.586145][ T32] task:kworker/0:274 state:D stack:0 pid:4482 tgid:4482 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.586263][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.586313][ T32] Call trace: [ 1331.586389][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1331.586445][ T32] r10:8291880c r9:eac69d84 r8:00000002 r7:60000113 r6:eac69d8c r5:85268000 [ 1331.586479][ T32] r4:85268000 [ 1331.586511][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1331.586557][ T32] r5:85268000 r4:82918808 [ 1331.586598][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.586666][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.586731][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac69e08 [ 1331.586759][ T32] r4:00000000 [ 1331.586809][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.586853][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.586892][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.586935][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8521fcc0 [ 1331.586976][ T32] r4:00000000 [ 1331.587001][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.587084][ T32] r9:83018005 r8:85268000 r7:00000000 r6:83018000 r5:00001000 r4:7f039000 [ 1331.587111][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.587176][ T32] r5:00001000 r4:dfc27000 [ 1331.587203][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.587247][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.587293][ T32] r5:8516d38c r4:8516d000 [ 1331.587316][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.587389][ T32] r7:dddced80 r6:83018000 r5:8516d38c r4:851eed80 ** 8 printk messages dropped ** [ 1331.587757][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 13 printk messages dropped ** [ 1331.588674][ T32] 9d20: 89184000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 17 printk messages dropped ** [ 1331.589347][ T32] r5:85a7af8c r4:85a7ac00 ** 7 printk messages dropped ** [ 1331.589692][ T32] r4:00000001 ** 10 printk messages dropped ** [ 1331.623111][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 14 printk messages dropped ** [ 1331.623835][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1331.624188][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 14 printk messages dropped ** [ 1331.624658][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 15 printk messages dropped ** [ 1331.625810][ T32] r4:82ac11a4 ** 9 printk messages dropped ** [ 1331.626390][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1331.626746][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 15 printk messages dropped ** [ 1331.627240][ T32] task:kworker/0:276 state:D stack:0 pid:4485 tgid:4485 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1331.627628][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.627700][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eae9de08 [ 1331.627730][ T32] r4:00000000 [ 1331.627750][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.627784][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.627820][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.627873][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f4f80 [ 1331.627935][ T32] r4:00000000 [ 1331.628009][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.628079][ T32] r9:83018005 r8:852f0000 r7:00000000 r6:83018000 r5:00001000 r4:7f03f000 [ 1331.628102][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.628146][ T32] r5:00001000 r4:e065d000 [ 1331.628205][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.628248][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.628293][ T32] r5:8516df8c r4:8516dc00 [ 1331.628322][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.628370][ T32] r7:dddced80 r6:83018000 r5:8516df8c r4:851eef80 [ 1331.628391][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.628435][ T32] r10:61c88647 r9:852f0000 r8:851eefac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1331.628467][ T32] r4:851eef80 [ 1331.628489][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.628541][ T32] r10:00000000 r9:851eef80 r8:8027f5e8 r7:eafbde60 r6:8521d200 r5:852f0000 [ 1331.628574][ T32] r4:00000001 [ 1331.628595][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.628631][ T32] Exception stack(0xeae9dfb0 to 0xeae9dff8) [ 1331.628666][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.628710][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.628738][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.628790][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.628842][ T32] r4:8521fe80 [ 1331.629232][ T32] INFO: task kworker/0:276:4485 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.629288][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.629412][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.629462][ T32] Call trace: [ 1331.629493][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.629541][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.629564][ T32] r4:00000000 [ 1331.629583][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.629620][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.629646][ T32] 9d20: 89b1d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.629674][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.629723][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.629811][ T32] r5:80070013 r4:80239bb0 [ 1331.644383][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.644485][ T32] r4:82ac11a4 [ 1331.644530][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.644606][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.644654][ T32] r4:e47b9dc0 [ 1331.644678][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.644746][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.644781][ T32] r4:00000000 [ 1331.644804][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.644870][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.644896][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1331.645084][ T32] r5:85a7af8c r4:85a7ac00 ** 10 printk messages dropped ** [ 1331.645455][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 13 printk messages dropped ** [ 1331.646091][ T32] r4:852f2400 ** 9 printk messages dropped ** [ 1331.646575][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f1080 ** 7 printk messages dropped ** [ 1331.646843][ T32] r5:8516e38c r4:8516e000 ** 6 printk messages dropped ** [ 1331.647099][ T32] r10:00000000 r9:851fe000 r8:8027f5e8 r7:eae9de60 r6:8521d280 r5:852f2400 ** 11 printk messages dropped ** [ 1331.648056][ T32] Call trace: ** 8 printk messages dropped ** [ 1331.648368][ T32] r5:80070013 r4:80239bb0 ** 11 printk messages dropped ** [ 1331.648847][ T32] r5:00001000 r4:ece91000 ** 9 printk messages dropped ** [ 1331.649292][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 16 printk messages dropped ** [ 1331.667604][ T32] r10:8291880c r9:eaeb9d84 r8:00000002 r7:60000113 r6:eaeb9d8c r5:852f1800 ** 8 printk messages dropped ** [ 1331.667950][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.668063][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.668118][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f14c0 [ 1331.668145][ T32] r4:00000000 [ 1331.668165][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.668213][ T32] r9:83018005 r8:852f1800 r7:00000000 r6:83018000 r5:00001000 r4:7f045000 [ 1331.668235][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.668276][ T32] r5:00001000 r4:e0725000 [ 1331.668305][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.668349][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.668392][ T32] r5:8516eb8c r4:8516e800 [ 1331.668411][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.668478][ T32] r7:dddced80 r6:83018000 r5:8516eb8c r4:851fe080 [ 1331.668503][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.668549][ T32] r10:61c88647 r9:852f1800 r8:851fe0ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1331.668591][ T32] r4:851fe080 [ 1331.668620][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.668666][ T32] r10:00000000 r9:851fe080 r8:8027f5e8 r7:eaeade60 r6:8521d300 r5:852f1800 [ 1331.668688][ T32] r4:00000001 [ 1331.668728][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.668773][ T32] Exception stack(0xeaeb9fb0 to 0xeaeb9ff8) [ 1331.668802][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.668862][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.668892][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.668922][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.668965][ T32] r4:851f1200 [ 1331.669562][ T32] INFO: task kworker/0:278:4489 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.669607][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.669669][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.669714][ T32] Call trace: ** 3 printk messages dropped ** [ 1331.674225][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 19 printk messages dropped ** [ 1331.675139][ T32] r5:85a7af8c r4:85a7ac00 ** 10 printk messages dropped ** [ 1331.675577][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 16 printk messages dropped ** [ 1331.676192][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1331.676596][ T32] r5:00001000 r4:e06f9000 ** 6 printk messages dropped ** [ 1331.676853][ T32] r10:61c88647 r9:85269800 r8:851fe12c r7:82804d40 r6:dddced80 r5:dddceda0 ** 13 printk messages dropped ** [ 1331.677921][ T32] Workqueue: events bpf_prog_free_deferred ** 13 printk messages dropped ** [ 1331.678614][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 17 printk messages dropped ** [ 1331.679392][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 11 printk messages dropped ** [ 1331.696272][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.696310][ T32] task:kworker/0:280 state:D stack:0 pid:4493 tgid:4493 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.696434][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.696500][ T32] Call trace: [ 1331.696534][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1331.696592][ T32] r10:8291880c r9:eaed1d84 r8:00000002 r7:60000113 r6:eaed1d8c r5:8526a400 [ 1331.696626][ T32] r4:8526a400 [ 1331.696651][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1331.696714][ T32] r5:8526a400 r4:82918808 [ 1331.696738][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.696776][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.696818][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaed1e08 [ 1331.696840][ T32] r4:00000000 [ 1331.696860][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.696911][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.696957][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.697022][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f1740 [ 1331.697088][ T32] r4:00000000 [ 1331.697112][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.697159][ T32] r9:83018005 r8:8526a400 r7:00000000 r6:83018000 r5:00001000 r4:7f049000 ** 1 printk messages dropped ** [ 1331.697237][ T32] r5:00001000 r4:ea8ed000 [ 1331.697257][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1331.697549][ T32] r10:61c88647 r9:8526a400 r8:851fe22c r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1331.697880][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.697910][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.697939][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.697961][ T32] r4:851f1140 [ 1331.698505][ T32] INFO: task kworker/0:280:4493 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.698565][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.698628][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.698693][ T32] Call trace: [ 1331.698755][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.698813][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.698837][ T32] r4:00000000 [ 1331.698856][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.698892][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.698920][ T32] 9d20: 8a642000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.698971][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.699047][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.699105][ T32] r5:80070013 r4:80239bb0 [ 1331.699153][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.699223][ T32] r4:82ac11a4 [ 1331.699248][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.699319][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.699374][ T32] r4:e47b9dc0 [ 1331.699396][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1331.699514][ T32] r4:00000000 ** 10 printk messages dropped ** [ 1331.710720][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 14 printk messages dropped ** [ 1331.711278][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 14 printk messages dropped ** [ 1331.711938][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1331.712161][ T32] r5:00001000 r4:ea8c1000 [ 1331.712180][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1331.712376][ T32] r7:dddced80 r6:83018000 r5:8516ef8c r4:851fe300 ** 7 printk messages dropped ** [ 1331.712656][ T32] Exception stack(0xeaed5fb0 to 0xeaed5ff8) [ 1331.712687][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1331.712714][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.712740][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.712767][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.712788][ T32] r4:851f1480 [ 1331.713290][ T32] INFO: task kworker/0:281:4495 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.713352][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.713448][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.713497][ T32] Call trace: [ 1331.713563][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.713629][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.713657][ T32] r4:00000000 [ 1331.713678][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.713718][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.713759][ T32] 9d20: 8a8e0000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.713794][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.713835][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.713865][ T32] r5:80070013 r4:80239bb0 [ 1331.713920][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 13 printk messages dropped ** [ 1331.714563][ T32] r5:85a7af8c r4:85a7ac00 ** 7 printk messages dropped ** [ 1331.714861][ T32] r4:00000001 ** 8 printk messages dropped ** [ 1331.715210][ T32] INFO: task kworker/0:282:4498 blocked for more than 458 seconds. ** 15 printk messages dropped ** [ 1331.715958][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1331.716288][ T32] r5:00001000 r4:ea929000 ** 4 printk messages dropped ** [ 1331.716572][ T32] r7:dddced80 r6:83018000 r5:8516f78c r4:851fe400 ** 12 printk messages dropped ** [ 1331.717086][ T32] r4:851f15c0 ** 9 printk messages dropped ** [ 1331.717962][ T32] 9d20: 8a8e0000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 20 printk messages dropped ** [ 1331.718861][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 24 printk messages dropped ** [ 1331.744463][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1331.744931][ T32] r5:00001000 r4:ea959000 [ 1331.744955][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.745004][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.745057][ T32] r5:8516fb8c r4:8516f800 [ 1331.745077][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.745123][ T32] r7:dddced80 r6:83018000 r5:8516fb8c r4:851fe500 [ 1331.745144][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.745210][ T32] r10:61c88647 r9:8526d400 r8:851fe52c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1331.745261][ T32] r4:851fe500 [ 1331.745284][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.745340][ T32] r10:00000000 r9:851fe500 r8:8027f5e8 r7:eaedde60 r6:851fe580 r5:8526d400 [ 1331.745365][ T32] r4:00000001 [ 1331.745405][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.745446][ T32] Exception stack(0xeae91fb0 to 0xeae91ff8) [ 1331.745476][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1331.745504][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.745542][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.745595][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.745625][ T32] r4:851f16c0 [ 1331.746124][ T32] INFO: task kworker/0:283:4499 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.746158][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.746276][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.746324][ T32] Call trace: [ 1331.746365][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.746438][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.746466][ T32] r4:00000000 [ 1331.746489][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.746527][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.746555][ T32] 9d20: 8addf000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 13 printk messages dropped ** [ 1331.747057][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 15 printk messages dropped ** [ 1331.747615][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 13 printk messages dropped ** [ 1331.748189][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 13 printk messages dropped ** [ 1331.748849][ T32] r5:00001000 r4:eabcd000 ** 4 printk messages dropped ** [ 1331.749122][ T32] r7:dddced80 r6:83018000 r5:8516ff8c r4:851fe600 [ 1331.749167][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.749234][ T32] r10:61c88647 r9:8526ec00 r8:851fe62c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1331.749260][ T32] r4:851fe600 [ 1331.749283][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.749330][ T32] r10:00000000 r9:851fe600 r8:8027f5e8 r7:eae91e60 r6:851fe680 r5:8526ec00 [ 1331.749375][ T32] r4:00000001 [ 1331.749445][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.749517][ T32] Exception stack(0xeaef9fb0 to 0xeaef9ff8) [ 1331.749552][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.749580][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.749606][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.749634][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.749656][ T32] r4:851f1a80 [ 1331.768014][ T32] INFO: task kworker/0:284:4502 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.768126][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.768262][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.768366][ T32] Call trace: [ 1331.768405][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.768464][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.768518][ T32] r4:00000000 [ 1331.768542][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.768583][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.768613][ T32] 9d20: 8b2db000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.768643][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.768668][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.768696][ T32] r5:80070013 r4:80239bb0 [ 1331.768717][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.768764][ T32] r4:82ac11a4 [ 1331.768784][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.768830][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.768873][ T32] r4:e47b9dc0 [ 1331.768896][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.768940][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.768962][ T32] r4:00000000 [ 1331.768981][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.769083][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.769155][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.769204][ T32] r5:00001000 r4:ece91000 [ 1331.769250][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.769356][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.769424][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.769446][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.769580][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 1 printk messages dropped ** [ 1331.769693][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 11 printk messages dropped ** [ 1331.777056][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1331.777497][ T32] r4:8526bc00 ** 4 printk messages dropped ** [ 1331.777686][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf01e08 ** 9 printk messages dropped ** [ 1331.778088][ T32] r5:00001000 r4:eac89000 [ 1331.778110][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1331.778262][ T32] r5:8517838c r4:85178000 ** 6 printk messages dropped ** [ 1331.778558][ T32] r10:00000000 r9:851fe700 r8:8027f5e8 r7:eaef9e60 r6:851fe780 r5:8526bc00 ** 10 printk messages dropped ** [ 1331.779460][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1331.779759][ T32] 9d20: 8b2db000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 7 printk messages dropped ** [ 1331.793082][ T32] r4:e47b9dc0 ** 4 printk messages dropped ** [ 1331.793409][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1331.794291][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1331.795113][ T32] r4:84e5a340 ** 3 printk messages dropped ** [ 1331.795393][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 8 printk messages dropped ** [ 1331.796271][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.796352][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1331.796444][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaf11e08 [ 1331.796513][ T32] r4:00000000 [ 1331.796580][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1331.796672][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1331.796764][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.796866][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c8480 [ 1331.796925][ T32] r4:00000000 [ 1331.797017][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.797127][ T32] r9:83018205 r8:846f0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 [ 1331.797176][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.797277][ T32] r5:00001000 r4:dfc8b000 [ 1331.797330][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.797413][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.797500][ T32] r5:8532878c r4:85328400 [ 1331.797552][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.797663][ T32] r7:ddde2d80 r6:83018200 r5:8532878c r4:8521d380 [ 1331.797722][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.797822][ T32] r10:61c88647 r9:846f0c00 r8:8521d3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1331.798125][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1331.798640][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1331.822540][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.822732][ T32] Call trace: [ 1331.822832][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.822959][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.823015][ T32] r4:00000000 [ 1331.823072][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.823163][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.823231][ T32] 9d20: 8bba2000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.823298][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.823372][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.823472][ T32] r5:80070013 r4:80239bb0 [ 1331.823526][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.823621][ T32] r4:82ac11a4 [ 1331.823670][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.823808][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.823870][ T32] r4:e47b9dc0 [ 1331.823920][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.824015][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.824077][ T32] r4:00000000 [ 1331.824126][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.824223][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.824294][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.824393][ T32] r5:00001000 r4:ece91000 [ 1331.824442][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.824544][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.824644][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.824709][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.824815][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1331.824866][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.824992][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.825090][ T32] r4:8454d780 [ 1331.825147][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.825264][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.825329][ T32] r4:00000001 [ 1331.825377][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.825460][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.825519][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.825585][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.825679][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1331.826008][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 11 printk messages dropped ** [ 1331.826721][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1331.827003][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1331.827316][ T32] r5:00001000 r4:eacad000 [ 1331.827338][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1331.827531][ T32] r7:dddced80 r6:83018000 r5:8517878c r4:851fe880 ** 8 printk messages dropped ** [ 1331.827934][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1331.828672][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.828728][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.828792][ T32] Call trace: [ 1331.828822][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.828870][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.828893][ T32] r4:00000000 [ 1331.828938][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.828979][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.829037][ T32] 9d20: 8bba2000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.829074][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.829119][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.829146][ T32] r5:80070013 r4:80239bb0 [ 1331.829176][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.829224][ T32] r4:82ac11a4 [ 1331.829244][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.829289][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.829310][ T32] r4:e47b9dc0 [ 1331.829329][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.829372][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.829403][ T32] r4:00000000 [ 1331.829426][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.829498][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.829524][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.829581][ T32] r5:00001000 r4:ece91000 [ 1331.829610][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.829650][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.829700][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1331.843261][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1331.843455][ T32] r4:00000001 [ 1331.843514][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.843568][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.843603][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.843634][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.843663][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.843694][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.843717][ T32] r4:84e5a340 [ 1331.843743][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.843774][ T32] INFO: task kworker/1:406:4507 blocked for more than 458 seconds. [ 1331.843809][ T32] Not tainted 6.15.0-syzkaller #0 [ 1331.843835][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.843858][ T32] task:kworker/1:406 state:D stack:0 pid:4507 tgid:4507 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.843938][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.844080][ T32] Call trace: [ 1331.844159][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1331.844263][ T32] r10:8291880c r9:eaf09d84 r8:00000002 r7:60000113 r6:eaf09d8c r5:852f5400 ** 4 printk messages dropped ** [ 1331.844656][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1331.845291][ T32] r5:00001000 r4:eac7d000 [ 1331.845318][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1331.845455][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1331.845813][ T32] Exception stack(0xeaf09fb0 to 0xeaf09ff8) [ 1331.845866][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.845922][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.845954][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.845985][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.846019][ T32] r4:851f3b40 [ 1331.846548][ T32] INFO: task kworker/1:406:4507 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.846591][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.846773][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.846876][ T32] Call trace: [ 1331.846944][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.847057][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.847112][ T32] r4:00000000 [ 1331.847200][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.847304][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.847378][ T32] 9d20: 8bba2000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.847465][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.847534][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.847603][ T32] r5:80070013 r4:80239bb0 [ 1331.847663][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.847772][ T32] r4:82ac11a4 [ 1331.847834][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.847933][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.848008][ T32] r4:e47b9dc0 [ 1331.848061][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.848155][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.848208][ T32] r4:00000000 [ 1331.848257][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.848352][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.848426][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.848518][ T32] r5:00001000 r4:ece91000 [ 1331.848578][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1331.848800][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1331.849013][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1331.849220][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 6 printk messages dropped ** [ 1331.849464][ T32] INFO: task kworker/1:407:4510 blocked for more than 458 seconds. ** 7 printk messages dropped ** [ 1331.870971][ T32] r4:852f6000 ** 5 printk messages dropped ** [ 1331.871259][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1331.871459][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1331.871642][ T32] r5:00001000 r4:eae55000 [ 1331.871661][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1331.871757][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1331.872098][ T32] Exception stack(0xeaf1dfb0 to 0xeaf1dff8) [ 1331.872127][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1331.872156][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.872182][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.872209][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.872232][ T32] r4:851f3c40 [ 1331.872729][ T32] INFO: task kworker/1:407:4510 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.872764][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.872863][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.872939][ T32] Call trace: [ 1331.872972][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.873020][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.873049][ T32] r4:00000000 [ 1331.873068][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.873104][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.873132][ T32] 9d20: 8c004000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.873160][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.873185][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.873236][ T32] r5:80070013 r4:80239bb0 [ 1331.873261][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.873356][ T32] r4:82ac11a4 [ 1331.873414][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.873539][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.873609][ T32] r4:e47b9dc0 [ 1331.873663][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.873780][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.873848][ T32] r4:00000000 [ 1331.873900][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.874003][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.874093][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.874225][ T32] r5:00001000 r4:ece91000 [ 1331.874282][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.874371][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.874480][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.874609][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.874726][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1331.874779][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.874872][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1331.875346][ T32] r4:84e5a340 ** 8 printk messages dropped ** [ 1331.875690][ T32] r10:8291880c r9:eb005d84 r8:00000002 r7:60000113 r6:eb005d8c r5:852f3000 ** 15 printk messages dropped ** [ 1331.876284][ T32] r5:00001000 r4:ead3f000 ** 4 printk messages dropped ** [ 1331.876476][ T32] r7:dddced80 r6:83018000 r5:8517978c r4:851fe980 ** 12 printk messages dropped ** [ 1331.877050][ T32] r4:851d4280 ** 10 printk messages dropped ** [ 1331.877864][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.877889][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.877911][ T32] r5:80070013 r4:80239bb0 [ 1331.877952][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.877999][ T32] r4:82ac11a4 [ 1331.878019][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.878071][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.878094][ T32] r4:e47b9dc0 [ 1331.878123][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.878169][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.878217][ T32] r4:00000000 [ 1331.878239][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.878305][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.878331][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.878373][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1331.878663][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 14 printk messages dropped ** [ 1331.879249][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 16 printk messages dropped ** [ 1331.903581][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1331.903886][ T32] r5:00001000 r4:eace9000 ** 5 printk messages dropped ** [ 1331.904382][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 13 printk messages dropped ** [ 1331.906314][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1331.907039][ T32] r5:80070013 r4:80239bb0 [ 1331.907063][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.907108][ T32] r4:82ac11a4 [ 1331.907156][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.907216][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.907265][ T32] r4:e47b9dc0 [ 1331.907291][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.907336][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.907367][ T32] r4:00000000 [ 1331.907410][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.907457][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.907504][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.907560][ T32] r5:00001000 r4:ece91000 [ 1331.907583][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.907632][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.907698][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.907747][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.907801][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1331.907821][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.907865][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.907887][ T32] r4:8454d780 [ 1331.907905][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.907947][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.908014][ T32] r4:00000001 [ 1331.908058][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.908121][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.908151][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.908180][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.908206][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.908255][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 5 printk messages dropped ** [ 1331.908503][ T32] task:kworker/0:289 state:D stack:0 pid:4516 tgid:4516 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1331.908987][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 5 printk messages dropped ** [ 1331.909251][ T32] r9:83018005 r8:84cd8000 r7:00000000 r6:83018000 r5:00001000 r4:7f05d000 [ 1331.909272][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.909312][ T32] r5:00001000 r4:ead15000 [ 1331.909351][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.909392][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.909469][ T32] r5:85178f8c r4:85178c00 [ 1331.909516][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.909563][ T32] r7:dddced80 r6:83018000 r5:85178f8c r4:851fea00 [ 1331.909605][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.909653][ T32] r10:61c88647 r9:84cd8000 r8:851fea2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1331.909694][ T32] r4:851fea00 [ 1331.909774][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.930621][ T32] r10:00000000 r9:851fea00 r8:8027f5e8 r7:eb005e60 r6:8521d780 r5:84cd8000 [ 1331.930713][ T32] r4:00000001 [ 1331.930767][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.930845][ T32] Exception stack(0xeb011fb0 to 0xeb011ff8) [ 1331.930877][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1331.930906][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.930966][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.931000][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.931022][ T32] r4:851d4100 [ 1331.931528][ T32] INFO: task kworker/0:289:4516 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1331.931566][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 2 printk messages dropped ** [ 1331.931830][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 11 printk messages dropped ** [ 1331.932312][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 10 printk messages dropped ** [ 1331.932683][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1331.932835][ T32] r4:8454d780 ** 5 printk messages dropped ** [ 1331.933017][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1331.933220][ T32] Not tainted 6.15.0-syzkaller #0 [ 1331.933244][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.933266][ T32] task:kworker/0:290 state:D stack:0 pid:4519 tgid:4519 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1331.933369][ T32] Workqueue: events bpf_prog_free_deferred [ 1331.933503][ T32] Call trace: [ 1331.933582][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1331.933685][ T32] r10:8291880c r9:eb01dd84 r8:00000002 r7:60000013 r6:eb01dd8c r5:84cda400 [ 1331.933746][ T32] r4:84cda400 [ 1331.933788][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1331.933865][ T32] r5:84cda400 r4:82918808 [ 1331.933921][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1331.934004][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1331.934360][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1331.934948][ T32] r5:00001000 r4:ead2f000 [ 1331.935019][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1331.935358][ T32] r7:dddced80 r6:83018000 r5:8517938c r4:851fea80 ** 9 printk messages dropped ** [ 1331.935856][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1331.936580][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 4 printk messages dropped ** [ 1331.936804][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.936832][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.936856][ T32] r5:80070013 r4:80239bb0 [ 1331.936877][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.936920][ T32] r4:82ac11a4 [ 1331.936962][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.937012][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.937040][ T32] r4:e47b9dc0 [ 1331.937099][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.937155][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.937180][ T32] r4:00000000 [ 1331.937200][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.937315][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.937340][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.937405][ T32] r5:00001000 r4:ece91000 [ 1331.937460][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.937508][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.937549][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.937569][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.937614][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1331.937633][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.937676][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.937697][ T32] r4:8454d780 [ 1331.937736][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.937783][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.937816][ T32] r4:00000001 [ 1331.937847][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.937886][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.937928][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.937960][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.937986][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.938013][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.938044][ T32] r4:84e5a340 [ 1331.938084][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 1 printk messages dropped ** [ 1331.938143][ T32] Not tainted 6.15.0-syzkaller #0 ** 9 printk messages dropped ** [ 1331.938621][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1331.939108][ T32] r5:00001000 r4:dfefb000 [ 1331.939136][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1331.939214][ T32] r5:8517b78c r4:8517b400 ** 5 printk messages dropped ** [ 1331.939400][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1331.960253][ T32] r4:851d4400 ** 4 printk messages dropped ** [ 1331.961170][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1331.961225][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1331.961247][ T32] r4:00000000 [ 1331.961266][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1331.961304][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1331.961334][ T32] 9d20: 8cc5a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1331.961376][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1331.961407][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1331.961440][ T32] r5:80070013 r4:80239bb0 [ 1331.961484][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1331.961555][ T32] r4:82ac11a4 [ 1331.961579][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1331.961626][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1331.961648][ T32] r4:e47b9dc0 [ 1331.961667][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1331.961711][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1331.961732][ T32] r4:00000000 [ 1331.961751][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1331.961795][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1331.961815][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1331.961878][ T32] r5:00001000 r4:ece91000 [ 1331.961923][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.961973][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.962016][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.962043][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.962089][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1331.962130][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.962254][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.962309][ T32] r4:8454d780 [ 1331.962362][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.962414][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.962458][ T32] r4:00000001 [ 1331.962481][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.962542][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.962577][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.962628][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.962679][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.962710][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.962733][ T32] r4:84e5a340 [ 1331.962754][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.962802][ T32] INFO: task kworker/0:292:4522 blocked for more than 458 seconds. [ 1331.962840][ T32] Not tainted 6.15.0-syzkaller #0 [ 1331.962865][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1331.962886][ T32] task:kworker/0:292 state:D stack:0 pid:4522 tgid:4522 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1331.963138][ T32] r4:846f2400 ** 5 printk messages dropped ** [ 1331.963387][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1331.963766][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d4800 ** 4 printk messages dropped ** [ 1331.964266][ T32] r5:00001000 r4:ead55000 ** 1 printk messages dropped ** [ 1331.964438][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1331.965305][ T32] Exception stack(0xeb019fb0 to 0xeb019ff8) ** 3 printk messages dropped ** [ 1331.965592][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1331.966487][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1331.966885][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 6 printk messages dropped ** [ 1331.967407][ T32] r4:82ac11a4 ** 1 printk messages dropped ** [ 1331.967548][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 7 printk messages dropped ** [ 1331.968178][ T32] r5:00001000 r4:ece91000 [ 1331.968250][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1331.968365][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1331.968467][ T32] r5:85a7af8c r4:85a7ac00 [ 1331.968515][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1331.968613][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1331.968682][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1331.968785][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1331.968838][ T32] r4:8454d780 [ 1331.968881][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1331.968985][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1331.969070][ T32] r4:00000001 [ 1331.969128][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1331.969231][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1331.969297][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1331.969362][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1331.969437][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1331.969510][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1331.969589][ T32] r4:84e5a340 [ 1331.969639][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1331.969697][ T32] INFO: task kworker/0:293:4525 blocked for more than 458 seconds. [ 1332.002545][ T32] Not tainted 6.15.0-syzkaller #0 [ 1332.002742][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.002805][ T32] task:kworker/0:293 state:D stack:0 pid:4525 tgid:4525 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.002961][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.003123][ T32] Call trace: [ 1332.003226][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1332.003350][ T32] r10:8291880c r9:eaffdd84 r8:00000002 r7:60000013 r6:eaffdd8c r5:846f3c00 [ 1332.003431][ T32] r4:846f3c00 [ 1332.003490][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1332.003572][ T32] r5:846f3c00 r4:82918808 [ 1332.003620][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.003706][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.003801][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaffde08 [ 1332.003858][ T32] r4:00000000 [ 1332.003916][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1332.004005][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1332.004115][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.004212][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d49c0 ** 4 printk messages dropped ** [ 1332.004601][ T32] r5:00001000 r4:ead71000 ** 4 printk messages dropped ** [ 1332.005040][ T32] r7:dddced80 r6:83018000 r5:85179f8c r4:851fed00 ** 14 printk messages dropped ** [ 1332.007069][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1332.007637][ T32] r4:00000000 [ 1332.007698][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.007787][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.007849][ T32] 9d20: 8d0f3000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.007929][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.008055][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.008116][ T32] r5:80070013 r4:80239bb0 [ 1332.008184][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.008318][ T32] r4:82ac11a4 [ 1332.008389][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.008494][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.008547][ T32] r4:e47b9dc0 [ 1332.008590][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.008684][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.008732][ T32] r4:00000000 [ 1332.008778][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.008890][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.008947][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.009049][ T32] r5:00001000 r4:ece91000 [ 1332.009100][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.009183][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.009271][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.009318][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.009417][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.009463][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.009576][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1332.035363][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1332.035626][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.035692][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.035754][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.035820][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.035881][ T32] r4:84e5a340 [ 1332.035957][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.036059][ T32] INFO: task kworker/0:294:4526 blocked for more than 458 seconds. [ 1332.036136][ T32] Not tainted 6.15.0-syzkaller #0 [ 1332.036190][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.036239][ T32] task:kworker/0:294 state:D stack:0 pid:4526 tgid:4526 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1332.036735][ T32] r4:846f4800 ** 5 printk messages dropped ** [ 1332.037278][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1332.037604][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d4c00 ** 4 printk messages dropped ** [ 1332.037978][ T32] r5:00001000 r4:eae09000 ** 4 printk messages dropped ** [ 1332.038479][ T32] r7:dddced80 r6:83018000 r5:8517a38c r4:851fee00 ** 9 printk messages dropped ** [ 1332.039254][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 10 printk messages dropped ** [ 1332.052052][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.052156][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.052247][ T32] 9d20: 8d27c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.052322][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.052382][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.052453][ T32] r5:80070013 r4:80239bb0 [ 1332.052508][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.052609][ T32] r4:82ac11a4 [ 1332.052674][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.052777][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.052829][ T32] r4:e47b9dc0 [ 1332.052892][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.052991][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 2 printk messages dropped ** [ 1332.053221][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1332.053981][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1332.054534][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 4 printk messages dropped ** [ 1332.054917][ T32] r4:84e5a340 ** 3 printk messages dropped ** [ 1332.055202][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 3 printk messages dropped ** [ 1332.055523][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 5 printk messages dropped ** [ 1332.055959][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1332.056462][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d4d00 ** 4 printk messages dropped ** [ 1332.056872][ T32] r5:00001000 r4:eae31000 [ 1332.056921][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.057003][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.057117][ T32] r5:8517a78c r4:8517a400 [ 1332.057170][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1332.057412][ T32] r10:61c88647 r9:846f3000 r8:851fef2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 6 printk messages dropped ** [ 1332.057835][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1332.058099][ T32] r4:851d4c40 ** 2 printk messages dropped ** [ 1332.059087][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1332.059451][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1332.059667][ T32] 9d20: 8d27c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.059732][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.059787][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.090688][ T32] r5:80070013 r4:80239bb0 [ 1332.090903][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.091060][ T32] r4:82ac11a4 [ 1332.091113][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.091238][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.091314][ T32] r4:e47b9dc0 [ 1332.091363][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.091462][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.091512][ T32] r4:00000000 [ 1332.091557][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.091672][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.091741][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.091858][ T32] r5:00001000 r4:ece91000 [ 1332.091911][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.092014][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.092124][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.092173][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.092287][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.092343][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.092459][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.092546][ T32] r4:8454d780 [ 1332.092601][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.092716][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.092774][ T32] r4:00000001 [ 1332.092820][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.092902][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.092984][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.093082][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.093156][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.093223][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.093301][ T32] r4:84e5a340 [ 1332.093375][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.093466][ T32] INFO: task kworker/0:296:4530 blocked for more than 458 seconds. [ 1332.093539][ T32] Not tainted 6.15.0-syzkaller #0 [ 1332.093589][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.093657][ T32] task:kworker/0:296 state:D stack:0 pid:4530 tgid:4530 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.093826][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.093930][ T32] Call trace: [ 1332.094112][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1332.094273][ T32] r10:8291880c r9:eb02dd84 r8:00000002 r7:60000113 r6:eb02dd8c r5:84cdb000 [ 1332.094342][ T32] r4:84cdb000 [ 1332.094405][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1332.094512][ T32] r5:84cdb000 r4:82918808 [ 1332.094558][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.094639][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.094732][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb02de08 [ 1332.094782][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1332.094977][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1332.095597][ T32] r5:00001000 r4:eae89000 [ 1332.095677][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1332.096015][ T32] r7:dddced80 r6:83018000 r5:8517af8c r4:851bf000 ** 7 printk messages dropped ** [ 1332.096545][ T32] Exception stack(0xeb02dfb0 to 0xeb02dff8) ** 7 printk messages dropped ** [ 1332.097977][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1332.098605][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 12 printk messages dropped ** [ 1332.099635][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1332.123885][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.123909][ T32] r4:8454d780 [ 1332.123957][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.124009][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.124071][ T32] r4:00000001 [ 1332.124109][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.124152][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.124183][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.124213][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.124256][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.124289][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.124310][ T32] r4:84e5a340 [ 1332.124361][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.124424][ T32] INFO: task kworker/1:408:4532 blocked for more than 458 seconds. [ 1332.124522][ T32] Not tainted 6.15.0-syzkaller #0 [ 1332.124577][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.124604][ T32] task:kworker/1:408 state:D stack:0 pid:4532 tgid:4532 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.124686][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.124790][ T32] Call trace: [ 1332.124825][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1332.124879][ T32] r10:8291880c r9:eb021d84 r8:00000002 r7:60000113 r6:eb021d8c r5:84cd8c00 [ 1332.124904][ T32] r4:84cd8c00 [ 1332.124922][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1332.124962][ T32] r5:84cd8c00 r4:82918808 [ 1332.125009][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.125057][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1332.125442][ T32] r9:83018205 r8:84cd8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f029000 ** 1 printk messages dropped ** [ 1332.125556][ T32] r5:00001000 r4:dfa2b000 ** 4 printk messages dropped ** [ 1332.125776][ T32] r7:ddde2d80 r6:83018200 r5:8532838c r4:8521d900 ** 8 printk messages dropped ** [ 1332.126049][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 14 printk messages dropped ** [ 1332.127163][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 5 printk messages dropped ** [ 1332.127410][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.127432][ T32] r4:e47b9dc0 [ 1332.127477][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.127526][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.127548][ T32] r4:00000000 [ 1332.127568][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.127689][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.127715][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.127757][ T32] r5:00001000 r4:ece91000 [ 1332.127777][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.127841][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1332.128016][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 15 printk messages dropped ** [ 1332.128626][ T32] Not tainted 6.15.0-syzkaller #0 ** 15 printk messages dropped ** [ 1332.129674][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1332.137679][ T32] r5:00001000 r4:dfd93000 [ 1332.137708][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.137853][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.137905][ T32] r5:8517b38c r4:8517b000 [ 1332.137927][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.137975][ T32] r7:dddced80 r6:83018000 r5:8517b38c r4:851bf080 [ 1332.138002][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 11 printk messages dropped ** [ 1332.138519][ T32] r4:851f1800 ** 11 printk messages dropped ** [ 1332.139574][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 19 printk messages dropped ** [ 1332.153283][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 24 printk messages dropped ** [ 1332.155118][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 15 printk messages dropped ** [ 1332.156168][ T32] r7:ddde2d80 r6:83018200 r5:85328b8c r4:8521da00 ** 12 printk messages dropped ** [ 1332.156640][ T32] r4:851c8500 ** 10 printk messages dropped ** [ 1332.157681][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 20 printk messages dropped ** [ 1332.158797][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 16 printk messages dropped ** [ 1332.159570][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.159641][ T32] Call trace: [ 1332.159675][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1332.159722][ T32] r10:8291880c r9:eafd9d84 r8:00000002 r7:60000013 r6:eafd9d8c r5:8526e000 [ 1332.159759][ T32] r4:8526e000 [ 1332.159893][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1332.183916][ T32] r5:8526e000 r4:82918808 [ 1332.183972][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.184052][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.184101][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eafd9e08 [ 1332.184181][ T32] r4:00000000 [ 1332.184208][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1332.184494][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1332.184548][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.184621][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c8a40 [ 1332.184676][ T32] r4:00000000 [ 1332.184701][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.184751][ T32] r9:83018205 r8:8526e000 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1332.184776][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.184822][ T32] r5:00001000 r4:e03e9000 [ 1332.184844][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1332.184928][ T32] r5:8532938c r4:85329000 ** 11 printk messages dropped ** [ 1332.185585][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 20 printk messages dropped ** [ 1332.188064][ T32] r4:e47b9dc0 ** 13 printk messages dropped ** [ 1332.189049][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 23 printk messages dropped ** [ 1332.210949][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 16 printk messages dropped ** [ 1332.212011][ T32] r7:dddced80 r6:83018000 r5:853a078c r4:851bf280 ** 3 printk messages dropped ** [ 1332.212134][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.212179][ T32] r10:00000000 r9:851bf280 r8:8027f5e8 r7:eaff9e60 r6:851bf300 r5:846f0000 [ 1332.212240][ T32] r4:00000001 [ 1332.212295][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.212337][ T32] Exception stack(0xeafcdfb0 to 0xeafcdff8) [ 1332.212367][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.212429][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.212459][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.212487][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.212509][ T32] r4:851c7240 [ 1332.213011][ T32] INFO: task kworker/0:298:4542 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.213093][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.213263][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.213455][ T32] Call trace: [ 1332.213841][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.213954][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 5 printk messages dropped ** [ 1332.214638][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 19 printk messages dropped ** [ 1332.216100][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 14 printk messages dropped ** [ 1332.217454][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 11 printk messages dropped ** [ 1332.218972][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1332.219328][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1332.219564][ T32] r5:00001000 r4:dffad000 [ 1332.219672][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.219715][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.230490][ T32] r5:8517bb8c r4:8517b800 [ 1332.230587][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.230664][ T32] r7:dddced80 r6:83018000 r5:8517bb8c r4:851bf380 [ 1332.230687][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.230734][ T32] r10:61c88647 r9:846f6c00 r8:851bf3ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1332.230803][ T32] r4:851bf380 [ 1332.230920][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.230974][ T32] r10:00000000 r9:851bf380 r8:8027f5e8 r7:eafcde60 r6:851bf400 r5:846f6c00 [ 1332.231017][ T32] r4:00000001 [ 1332.231047][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.231085][ T32] Exception stack(0xeb031fb0 to 0xeb031ff8) ** 1 printk messages dropped ** [ 1332.231188][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 20 printk messages dropped ** [ 1332.233049][ T32] r4:e47b9dc0 ** 13 printk messages dropped ** [ 1332.233743][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 22 printk messages dropped ** [ 1332.234867][ T32] r5:844b0000 r4:82918808 ** 12 printk messages dropped ** [ 1332.235538][ T32] r5:00001000 r4:e03a5000 ** 5 printk messages dropped ** [ 1332.235892][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 24 printk messages dropped ** [ 1332.237612][ T32] r5:80070013 r4:80239bb0 ** 18 printk messages dropped ** [ 1332.238914][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1332.238997][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.239019][ T32] r4:00000001 [ 1332.239221][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.239270][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.239342][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.239459][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.239490][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.239519][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.239546][ T32] r4:84e5a340 [ 1332.239567][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.239593][ T32] INFO: task kworker/0:300:4547 blocked for more than 458 seconds. [ 1332.239622][ T32] Not tainted 6.15.0-syzkaller #0 [ 1332.239679][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.239794][ T32] task:kworker/0:300 state:D stack:0 pid:4547 tgid:4547 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.273539][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.273640][ T32] Call trace: [ 1332.273798][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1332.273864][ T32] r10:8291880c r9:eaf15d84 r8:00000002 r7:60000113 r6:eaf15d8c r5:844b0c00 [ 1332.273974][ T32] r4:844b0c00 [ 1332.274094][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1332.274176][ T32] r5:844b0c00 r4:82918808 ** 3 printk messages dropped ** [ 1332.274587][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1332.275124][ T32] r5:00001000 r4:e005f000 ** 2 printk messages dropped ** [ 1332.275400][ T32] r5:8517bf8c r4:8517bc00 ** 11 printk messages dropped ** [ 1332.276483][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 17 printk messages dropped ** [ 1332.278574][ T32] r4:82ac11a4 ** 12 printk messages dropped ** [ 1332.279218][ T32] r5:85a7af8c r4:85a7ac00 ** 13 printk messages dropped ** [ 1332.300782][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 20 printk messages dropped ** [ 1332.302220][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851ef1c0 ** 12 printk messages dropped ** [ 1332.302881][ T32] r4:851bf600 ** 11 printk messages dropped ** [ 1332.304716][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 25 printk messages dropped ** [ 1332.306485][ T32] r5:85a7af8c r4:85a7ac00 ** 6 printk messages dropped ** [ 1332.306999][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 11 printk messages dropped ** [ 1332.307990][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1332.308636][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 1 printk messages dropped ** [ 1332.308788][ T32] r4:00000000 [ 1332.308811][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1332.308849][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1332.308917][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.309035][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c8b80 [ 1332.309066][ T32] r4:00000000 [ 1332.309154][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.309202][ T32] r9:83018205 r8:844b2400 r7:00000000 r6:83018200 r5:00001000 r4:7f069000 [ 1332.309236][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.309313][ T32] r5:00001000 r4:e056b000 [ 1332.309337][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.309378][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.309450][ T32] r5:8532978c r4:85329400 [ 1332.309559][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.309674][ T32] r7:ddde2d80 r6:83018200 r5:8532978c r4:8521db80 [ 1332.309784][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.309949][ T32] r10:61c88647 r9:844b2400 r8:8521dbac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.341339][ T32] r4:8521db80 [ 1332.341390][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.341585][ T32] r10:00000000 r9:8521db80 r8:8027f5e8 r7:eafd9e60 r6:851bf700 r5:844b2400 [ 1332.341696][ T32] r4:00000001 [ 1332.341722][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.341808][ T32] Exception stack(0xeb039fb0 to 0xeb039ff8) [ 1332.341927][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.342044][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.342096][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.342136][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.342186][ T32] r4:851c8740 [ 1332.342751][ T32] INFO: task kworker/1:412:4552 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.342792][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.343450][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.343520][ T32] Call trace: [ 1332.343590][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.343678][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.343792][ T32] r4:00000000 [ 1332.343816][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.343914][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.343958][ T32] 9d20: 8f3ef000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.344033][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.344069][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.344096][ T32] r5:80070013 r4:80239bb0 [ 1332.344118][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.344167][ T32] r4:82ac11a4 [ 1332.344187][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.344235][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.344257][ T32] r4:e47b9dc0 [ 1332.344280][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.344463][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.344579][ T32] r4:00000000 [ 1332.344603][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.344651][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.344675][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.344719][ T32] r5:00001000 r4:ece91000 [ 1332.344816][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.345022][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.345075][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.345097][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.345142][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.345163][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.345264][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.345295][ T32] r4:8454d780 [ 1332.345314][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1332.345935][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1332.346635][ T32] r10:8291880c r9:eb045d84 r8:00000002 r7:60000113 r6:eb045d8c r5:844b4800 ** 10 printk messages dropped ** [ 1332.347182][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c8c80 ** 4 printk messages dropped ** [ 1332.347482][ T32] r5:00001000 r4:e05ab000 ** 4 printk messages dropped ** [ 1332.347736][ T32] r7:ddde2d80 r6:83018200 r5:85329b8c r4:8521dc00 ** 5 printk messages dropped ** [ 1332.347988][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1332.348994][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1332.370848][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 9 printk messages dropped ** [ 1332.371341][ T32] r4:e47b9dc0 ** 6 printk messages dropped ** [ 1332.372067][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1332.372548][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1332.373105][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1332.373631][ T32] r10:8291880c r9:eb049d84 r8:00000002 r7:60000013 r6:eb049d8c r5:844b3000 ** 9 printk messages dropped ** [ 1332.374741][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1332.375083][ T32] r5:00001000 r4:e05eb000 ** 4 printk messages dropped ** [ 1332.375330][ T32] r7:ddde2d80 r6:83018200 r5:85329f8c r4:8521dc80 ** 7 printk messages dropped ** [ 1332.375693][ T32] Exception stack(0xeb049fb0 to 0xeb049ff8) ** 4 printk messages dropped ** [ 1332.376037][ T32] r4:851c8a80 ** 4 printk messages dropped ** [ 1332.376795][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.376844][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.376866][ T32] r4:00000000 [ 1332.376916][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.376984][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.377016][ T32] 9d20: 8f67d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.377048][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.377156][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.377184][ T32] r5:80070013 r4:80239bb0 [ 1332.377206][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.377281][ T32] r4:82ac11a4 [ 1332.377311][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.377358][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.377382][ T32] r4:e47b9dc0 [ 1332.377424][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.377585][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.377627][ T32] r4:00000000 [ 1332.377650][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.377694][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.377715][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.377791][ T32] r5:00001000 r4:ece91000 [ 1332.377846][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.377902][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.377978][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.378006][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.378089][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.378149][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.378238][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.378425][ T32] r4:8454d780 [ 1332.378513][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.378564][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.378587][ T32] r4:00000001 [ 1332.378606][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.378645][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.378674][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.378730][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.378763][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.378795][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.378818][ T32] r4:84e5a340 [ 1332.378840][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.378868][ T32] INFO: task kworker/1:415:4558 blocked for more than 458 seconds. [ 1332.378897][ T32] Not tainted 6.15.0-syzkaller #0 [ 1332.378921][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.378943][ T32] task:kworker/1:415 state:D stack:0 pid:4558 tgid:4558 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.379052][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.379118][ T32] Call trace: [ 1332.379177][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1332.379230][ T32] r10:8291880c r9:eb051d84 r8:00000002 r7:60000113 r6:eb051d8c r5:844b3c00 [ 1332.379254][ T32] r4:844b3c00 [ 1332.379275][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1332.379326][ T32] r5:844b3c00 r4:82918808 [ 1332.379351][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.379388][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.379432][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb051e08 [ 1332.379456][ T32] r4:00000000 [ 1332.379476][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1332.379512][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1332.400941][ T32] r5:00001000 r4:e8851000 [ 1332.400978][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1332.401137][ T32] r5:8532af8c r4:8532ac00 ** 2 printk messages dropped ** [ 1332.401310][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1332.401718][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1332.402822][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1332.403185][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1332.403570][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1332.403951][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 12 printk messages dropped ** [ 1332.404428][ T32] INFO: task kworker/1:416:4559 blocked for more than 458 seconds. ** 7 printk messages dropped ** [ 1332.404822][ T32] r4:84cdc800 ** 5 printk messages dropped ** [ 1332.405022][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1332.405384][ T32] r9:83018205 r8:84cdc800 r7:00000000 r6:83018200 r5:00001000 r4:7f06f000 ** 1 printk messages dropped ** [ 1332.405455][ T32] r5:00001000 r4:e076b000 ** 4 printk messages dropped ** [ 1332.405731][ T32] r7:ddde2d80 r6:83018200 r5:8532a38c r4:8521dd80 ** 8 printk messages dropped ** [ 1332.406136][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1332.406281][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.406321][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.406344][ T32] r4:851c8a80 [ 1332.406678][ T32] INFO: task kworker/1:416:4559 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.406710][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.407072][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.407118][ T32] Call trace: [ 1332.407147][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.407194][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.407217][ T32] r4:00000000 [ 1332.407236][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.407272][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.407305][ T32] 9d20: 8f9df000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.407334][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.407388][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.407446][ T32] r5:80070013 r4:80239bb0 [ 1332.407502][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.407640][ T32] r4:82ac11a4 [ 1332.407664][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.407713][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.407768][ T32] r4:e47b9dc0 [ 1332.407791][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.407836][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.407872][ T32] r4:00000000 [ 1332.407894][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.407989][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.408018][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.408060][ T32] r5:00001000 r4:ece91000 [ 1332.408080][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.408118][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.408158][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.408207][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.408258][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.408280][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.408330][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.408353][ T32] r4:8454d780 [ 1332.408372][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.408442][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.408492][ T32] r4:00000001 [ 1332.408513][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.408550][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.408591][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.408622][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.408715][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.408748][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.408770][ T32] r4:84e5a340 [ 1332.408848][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.408878][ T32] INFO: task kworker/1:417:4562 blocked for more than 458 seconds. [ 1332.408929][ T32] Not tainted 6.15.0-syzkaller #0 [ 1332.408955][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.408977][ T32] task:kworker/1:417 state:D stack:0 pid:4562 tgid:4562 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.409066][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.409214][ T32] Call trace: [ 1332.409312][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1332.409396][ T32] r10:8291880c r9:eb04dd84 r8:00000002 r7:60000113 r6:eb04dd8c r5:84cde000 [ 1332.409424][ T32] r4:84cde000 [ 1332.409443][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1332.409516][ T32] r5:84cde000 r4:82918808 [ 1332.409569][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 2 printk messages dropped ** [ 1332.409706][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1332.443160][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851c8580 ** 4 printk messages dropped ** [ 1332.443469][ T32] r5:00001000 r4:e47c3000 [ 1332.443491][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1332.443593][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1332.443812][ T32] r10:00000000 r9:8521de80 r8:8027f5e8 r7:eb051e60 r6:8521df00 r5:84cde000 ** 6 printk messages dropped ** [ 1332.444204][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1332.445018][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1332.445196][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 8 printk messages dropped ** [ 1332.445474][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 9 printk messages dropped ** [ 1332.445892][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 5 printk messages dropped ** [ 1332.446122][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1332.446454][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1332.446854][ T32] Call trace: ** 5 printk messages dropped ** [ 1332.447106][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1332.447468][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851be040 ** 4 printk messages dropped ** [ 1332.447643][ T32] r5:00001000 r4:e47e9000 [ 1332.447662][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.447699][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.447776][ T32] r5:8532ab8c r4:8532a800 [ 1332.447834][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.447891][ T32] r7:ddde2d80 r6:83018200 r5:8532ab8c r4:8521df80 [ 1332.447942][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.448012][ T32] r10:61c88647 r9:84cdec00 r8:8521dfac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.448064][ T32] r4:8521df80 [ 1332.448088][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.448146][ T32] r10:00000000 r9:8521df80 r8:8027f5e8 r7:eb051e60 r6:851f6f80 r5:84cdec00 [ 1332.448201][ T32] r4:00000001 [ 1332.448370][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.448410][ T32] Exception stack(0xeb055fb0 to 0xeb055ff8) [ 1332.448497][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1332.448529][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.448574][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.448631][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.448658][ T32] r4:851be1c0 [ 1332.448984][ T32] INFO: task kworker/1:418:4564 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.449071][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.449155][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.449233][ T32] Call trace: [ 1332.449267][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.449326][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.449363][ T32] r4:00000000 [ 1332.449430][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.449473][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.449531][ T32] 9d20: 90145000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.449594][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.449659][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.449686][ T32] r5:80070013 r4:80239bb0 [ 1332.449903][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.461688][ T32] r4:82ac11a4 [ 1332.461770][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.461884][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.461911][ T32] r4:e47b9dc0 [ 1332.461975][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.462118][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.462156][ T32] r4:00000000 [ 1332.462177][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.462285][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.462317][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.462364][ T32] r5:00001000 r4:ece91000 [ 1332.462384][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.462422][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.462465][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.462518][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.462570][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.462591][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 1 printk messages dropped ** [ 1332.462726][ T32] r4:8454d780 ** 5 printk messages dropped ** [ 1332.462956][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1332.463277][ T32] task:kworker/1:419 state:D stack:0 pid:4566 tgid:4566 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1332.463912][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1332.464245][ T32] r5:00001000 r4:ea939000 [ 1332.464265][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.464338][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1332.464538][ T32] r7:ddde2d80 r6:83018200 r5:8532b38c r4:851c6000 [ 1332.464585][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.464634][ T32] r10:61c88647 r9:84cdd400 r8:851c602c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.464686][ T32] r4:851c6000 [ 1332.464709][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.464787][ T32] r10:00000000 r9:851c6000 r8:8027f5e8 r7:eb051e60 r6:851c6080 r5:84cdd400 [ 1332.464830][ T32] r4:00000001 [ 1332.464853][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.464954][ T32] Exception stack(0xeb059fb0 to 0xeb059ff8) [ 1332.464984][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.465045][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.465076][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.465107][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.465129][ T32] r4:851be100 [ 1332.465620][ T32] INFO: task kworker/1:419:4566 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.465654][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.465712][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.465756][ T32] Call trace: [ 1332.465786][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.465862][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.465909][ T32] r4:00000000 [ 1332.465962][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.466003][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.466031][ T32] 9d20: 90145000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.466122][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.466152][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.466175][ T32] r5:80070013 r4:80239bb0 [ 1332.466210][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.466286][ T32] r4:82ac11a4 [ 1332.466345][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.466396][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.466472][ T32] r4:e47b9dc0 [ 1332.466526][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.466605][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.466663][ T32] r4:00000000 [ 1332.466687][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.466763][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.466820][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.466966][ T32] r5:00001000 r4:ece91000 [ 1332.466990][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.467053][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.467099][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.467119][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.467164][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.467186][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.467263][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.467318][ T32] r4:8454d780 [ 1332.467341][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.467385][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.467408][ T32] r4:00000001 [ 1332.467426][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.467461][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.467486][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.467543][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1332.467876][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 7 printk messages dropped ** [ 1332.468227][ T32] r5:84cdbc00 r4:82918808 ** 3 printk messages dropped ** [ 1332.468388][ T32] r4:00000000 [ 1332.468408][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1332.468443][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1332.468509][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.468736][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851be740 [ 1332.468763][ T32] r4:00000000 [ 1332.468782][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.468826][ T32] r9:83018205 r8:84cdbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f07b000 [ 1332.468846][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.468916][ T32] r5:00001000 r4:eaa0b000 [ 1332.468939][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.468979][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.469057][ T32] r5:8532bb8c r4:8532b800 [ 1332.469080][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.469124][ T32] r7:ddde2d80 r6:83018200 r5:8532bb8c r4:851c6100 [ 1332.469144][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.469188][ T32] r10:61c88647 r9:84cdbc00 r8:851c612c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.469271][ T32] r4:851c6100 [ 1332.469341][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.469390][ T32] r10:00000000 r9:851c6100 r8:8027f5e8 r7:eb059e60 r6:851c6180 r5:84cdbc00 [ 1332.469413][ T32] r4:00000001 [ 1332.469583][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.469623][ T32] Exception stack(0xeb03dfb0 to 0xeb03dff8) [ 1332.469650][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.469677][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.469703][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.469783][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.491105][ T32] r4:851be100 [ 1332.491627][ T32] INFO: task kworker/1:420:4567 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.491668][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.491772][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.491865][ T32] Call trace: [ 1332.491930][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.491993][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 3 printk messages dropped ** [ 1332.492147][ T32] 9d20: 905cf000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 7 printk messages dropped ** [ 1332.492493][ T32] r4:e47b9dc0 ** 5 printk messages dropped ** [ 1332.492772][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1332.493129][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1332.493660][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1332.494160][ T32] r4:84cd9800 ** 5 printk messages dropped ** [ 1332.494512][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1332.494676][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851be640 ** 4 printk messages dropped ** [ 1332.494964][ T32] r5:00001000 r4:ea9e7000 ** 3 printk messages dropped ** [ 1332.495153][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1332.495629][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1332.496401][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1332.496707][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1332.496902][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1332.497936][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 14 printk messages dropped ** [ 1332.498880][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1332.499435][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1332.520518][ T32] r5:00001000 r4:eaa57000 [ 1332.520577][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1332.520992][ T32] r7:ddde2d80 r6:83018200 r5:8533038c r4:851c6300 ** 5 printk messages dropped ** [ 1332.521208][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1332.521303][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.521366][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.521397][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.521427][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.521522][ T32] r4:851be4c0 [ 1332.522050][ T32] INFO: task kworker/1:422:4572 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.522093][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.522286][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.522389][ T32] Call trace: [ 1332.522423][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.522507][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.522567][ T32] r4:00000000 [ 1332.522620][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.522678][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.522709][ T32] 9d20: 90a9a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.522738][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.522763][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.522786][ T32] r5:80070013 r4:80239bb0 [ 1332.522808][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.522856][ T32] r4:82ac11a4 [ 1332.522877][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.522923][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.522977][ T32] r4:e47b9dc0 [ 1332.523001][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.523049][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.523078][ T32] r4:00000000 [ 1332.523098][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.523192][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.523236][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.523350][ T32] r5:00001000 r4:ece91000 [ 1332.523416][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.523466][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.523508][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.523531][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.523577][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.523597][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.523642][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.523664][ T32] r4:8454d780 [ 1332.523683][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.523725][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.523747][ T32] r4:00000001 [ 1332.523783][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.523852][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.523880][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.523908][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.523934][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.523962][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.524027][ T32] r4:84e5a340 [ 1332.524052][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.524083][ T32] INFO: task kworker/1:423:4573 blocked for more than 459 seconds. [ 1332.524118][ T32] Not tainted 6.15.0-syzkaller #0 [ 1332.524144][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.524205][ T32] task:kworker/1:423 state:D stack:0 pid:4573 tgid:4573 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.524255][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.524347][ T32] Call trace: [ 1332.524397][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1332.524475][ T32] r10:8291880c r9:eb06dd84 r8:00000002 r7:60000013 r6:eb06dd8c r5:852f3c00 [ 1332.524561][ T32] r4:852f3c00 [ 1332.524616][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1332.524660][ T32] r5:852f3c00 r4:82918808 [ 1332.524682][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 3 printk messages dropped ** [ 1332.524814][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1332.525170][ T32] r5:00001000 r4:eaa37000 [ 1332.525190][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.525242][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1332.525546][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1332.525854][ T32] r4:851be840 ** 5 printk messages dropped ** [ 1332.526622][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1332.527014][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1332.527232][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1332.527515][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1332.527705][ T32] r4:8454d780 ** 6 printk messages dropped ** [ 1332.527933][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1332.528470][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1332.528858][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1332.529458][ T32] r5:00001000 r4:eaa9d000 [ 1332.529477][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1332.529655][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1332.570627][ T32] Exception stack(0xeb071fb0 to 0xeb071ff8) ** 6 printk messages dropped ** [ 1332.571432][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1332.572139][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1332.572331][ T32] r4:e47b9dc0 ** 4 printk messages dropped ** [ 1332.572519][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1332.573011][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1332.573116][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.573174][ T32] r4:00000001 [ 1332.573196][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.573232][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.573260][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.573288][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.573354][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.573459][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.573490][ T32] r4:84e5a340 [ 1332.573514][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.573557][ T32] INFO: task kworker/1:425:4578 blocked for more than 459 seconds. [ 1332.573594][ T32] Not tainted 6.15.0-syzkaller #0 [ 1332.573618][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.573641][ T32] task:kworker/1:425 state:D stack:0 pid:4578 tgid:4578 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.573685][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.573765][ T32] Call trace: [ 1332.573800][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1332.573849][ T32] r10:8291880c r9:eb079d84 r8:00000002 r7:60000113 r6:eb079d8c r5:844b6c00 [ 1332.573903][ T32] r4:844b6c00 [ 1332.573926][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1332.573979][ T32] r5:844b6c00 r4:82918808 [ 1332.574032][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.574075][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.574177][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb079e08 [ 1332.574224][ T32] r4:00000000 [ 1332.574244][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1332.574325][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1332.574372][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.574438][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851be980 [ 1332.574628][ T32] r4:00000000 [ 1332.574651][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.574695][ T32] r9:83018205 r8:844b6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f081000 [ 1332.574717][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.574790][ T32] r5:00001000 r4:eaa81000 [ 1332.574843][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.574884][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.574925][ T32] r5:8533078c r4:85330400 [ 1332.574947][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.574991][ T32] r7:ddde2d80 r6:83018200 r5:8533078c r4:851c6600 [ 1332.575011][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.575057][ T32] r10:61c88647 r9:844b6c00 r8:851c662c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.575079][ T32] r4:851c6600 [ 1332.575098][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.575174][ T32] r10:00000000 r9:851c6600 r8:8027f5e8 r7:eb071e60 r6:851bf900 r5:844b6c00 [ 1332.575199][ T32] r4:00000001 [ 1332.575219][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.575256][ T32] Exception stack(0xeb079fb0 to 0xeb079ff8) [ 1332.575283][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.575317][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.575343][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.575476][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.575502][ T32] r4:851bea40 [ 1332.575842][ T32] INFO: task kworker/1:425:4578 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.575873][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.575930][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.576154][ T32] Call trace: [ 1332.576239][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.576291][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.576320][ T32] r4:00000000 [ 1332.576430][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.576471][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.576500][ T32] 9d20: 91416000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.576559][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.576590][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.576613][ T32] r5:80070013 r4:80239bb0 [ 1332.576663][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.576728][ T32] r4:82ac11a4 [ 1332.576817][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.576866][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.576890][ T32] r4:e47b9dc0 [ 1332.576940][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.577018][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.577089][ T32] r4:00000000 [ 1332.577144][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.577301][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.577330][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.577404][ T32] r5:00001000 r4:ece91000 [ 1332.577473][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.577558][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.577603][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.577623][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1332.577765][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1332.578161][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1332.578433][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1332.578729][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1332.579163][ T32] r9:83018205 r8:84c88000 r7:00000000 r6:83018200 r5:00001000 r4:7f085000 ** 1 printk messages dropped ** [ 1332.579272][ T32] r5:00001000 r4:eaadd000 ** 4 printk messages dropped ** [ 1332.579509][ T32] r7:ddde2d80 r6:83018200 r5:85330f8c r4:851c6680 ** 5 printk messages dropped ** [ 1332.592349][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1332.592731][ T32] r4:851bed00 ** 5 printk messages dropped ** [ 1332.593561][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1332.593954][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1332.594164][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1332.594466][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1332.594599][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 12 printk messages dropped ** [ 1332.594967][ T32] INFO: task kworker/1:427:4582 blocked for more than 459 seconds. ** 6 printk messages dropped ** [ 1332.595240][ T32] r10:8291880c r9:eb089d84 r8:00000002 r7:60000113 r6:eb089d8c r5:84c89800 ** 8 printk messages dropped ** [ 1332.595564][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 5 printk messages dropped ** [ 1332.595817][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.595862][ T32] r5:00001000 r4:eab21000 [ 1332.595942][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.595984][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.596120][ T32] r5:8533138c r4:85331000 [ 1332.596144][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.596189][ T32] r7:ddde2d80 r6:83018200 r5:8533138c r4:851c6700 [ 1332.596210][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.596285][ T32] r10:61c88647 r9:84c89800 r8:851c672c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.596315][ T32] r4:851c6700 [ 1332.596355][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.596404][ T32] r10:00000000 r9:851c6700 r8:8027f5e8 r7:eb081e60 r6:851bfa00 r5:84c89800 [ 1332.596426][ T32] r4:00000001 [ 1332.596445][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.596479][ T32] Exception stack(0xeb089fb0 to 0xeb089ff8) [ 1332.596504][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.596531][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.596557][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.596676][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.596703][ T32] r4:851c7ec0 [ 1332.597057][ T32] INFO: task kworker/1:427:4582 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.597090][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.597147][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.597188][ T32] Call trace: [ 1332.597321][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.597369][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.597393][ T32] r4:00000000 [ 1332.597413][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.597540][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.597571][ T32] 9d20: 91416000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.597600][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.597625][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.597668][ T32] r5:80070013 r4:80239bb0 [ 1332.597709][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.597789][ T32] r4:82ac11a4 [ 1332.597844][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.597926][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.598000][ T32] r4:e47b9dc0 [ 1332.598023][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.598119][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.598145][ T32] r4:00000000 [ 1332.598165][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.598235][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.598258][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.598306][ T32] r5:00001000 r4:ece91000 [ 1332.598328][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.598367][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.598469][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.598525][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.598575][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.598626][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.598673][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.598695][ T32] r4:8454d780 [ 1332.598714][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.598757][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.598781][ T32] r4:00000001 [ 1332.598801][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.598837][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.598863][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.598891][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.598948][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.598980][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.599003][ T32] r4:84e5a340 [ 1332.599022][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 5 printk messages dropped ** [ 1332.599222][ T32] Call trace: ** 6 printk messages dropped ** [ 1332.599480][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1332.617912][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.617960][ T32] r5:00001000 r4:eab51000 ** 2 printk messages dropped ** [ 1332.618061][ T32] r5:8533178c r4:85331400 ** 3 printk messages dropped ** [ 1332.618244][ T32] r10:61c88647 r9:84c8a400 r8:851c67ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1332.618595][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1332.619510][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 11 printk messages dropped ** [ 1332.635271][ T32] r4:e47b9dc0 ** 4 printk messages dropped ** [ 1332.635511][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1332.635886][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1332.636243][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1332.636492][ T32] task:kworker/1:429 state:D stack:0 pid:4585 tgid:4585 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1332.637028][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1332.637135][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1332.637176][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.637219][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f82c0 [ 1332.637244][ T32] r4:00000000 [ 1332.637264][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.637312][ T32] r9:83018205 r8:84c88c00 r7:00000000 r6:83018200 r5:00001000 r4:7f08d000 [ 1332.637335][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.637375][ T32] r5:00001000 r4:ead6d000 [ 1332.637395][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.637463][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.637508][ T32] r5:85331f8c r4:85331c00 [ 1332.637529][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.637602][ T32] r7:ddde2d80 r6:83018200 r5:85331f8c r4:851c6800 [ 1332.637626][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.637671][ T32] r10:61c88647 r9:84c88c00 r8:851c682c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.637692][ T32] r4:851c6800 [ 1332.637741][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.637804][ T32] r10:00000000 r9:851c6800 r8:8027f5e8 r7:eb08de60 r6:851bfb00 r5:84c88c00 [ 1332.637859][ T32] r4:00000001 [ 1332.637913][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.637954][ T32] Exception stack(0xeb095fb0 to 0xeb095ff8) [ 1332.638048][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1332.638111][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.638141][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.638169][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.638209][ T32] r4:851c8140 [ 1332.639082][ T32] INFO: task kworker/1:429:4585 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.639235][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.639327][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.639410][ T32] Call trace: [ 1332.639452][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.639524][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.639560][ T32] r4:00000000 [ 1332.639588][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.639664][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.639706][ T32] 9d20: 91bae000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.639746][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.639835][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.652452][ T32] r5:80070013 r4:80239bb0 [ 1332.652550][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.652652][ T32] r4:82ac11a4 [ 1332.652695][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.652749][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.652810][ T32] r4:e47b9dc0 [ 1332.652834][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.652881][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.652935][ T32] r4:00000000 [ 1332.652987][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1332.653113][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1332.653387][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1332.653618][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 10 printk messages dropped ** [ 1332.654240][ T32] Call trace: ** 5 printk messages dropped ** [ 1332.654576][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1332.654956][ T32] r9:83018205 r8:84c8b000 r7:00000000 r6:83018200 r5:00001000 r4:7f08b000 ** 1 printk messages dropped ** [ 1332.655065][ T32] r5:00001000 r4:eab81000 ** 2 printk messages dropped ** [ 1332.655208][ T32] r5:85331b8c r4:85331800 ** 2 printk messages dropped ** [ 1332.655295][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1332.655643][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1332.656729][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1332.657078][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1332.657312][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1332.657583][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1332.657777][ T32] r4:8454d780 ** 6 printk messages dropped ** [ 1332.658067][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1332.658378][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1332.658766][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0a9e08 ** 9 printk messages dropped ** [ 1332.659135][ T32] r5:00001000 r4:eb0d9000 [ 1332.659190][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1332.659359][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1332.659687][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1332.675474][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1332.675903][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1332.675998][ T32] r4:e47b9dc0 [ 1332.676017][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.676062][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.676090][ T32] r4:00000000 [ 1332.676111][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.676155][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.676177][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.676251][ T32] r5:00001000 r4:ece91000 [ 1332.676305][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.676380][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.676427][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.676447][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.676495][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.676547][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.676629][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.676655][ T32] r4:8454d780 [ 1332.676675][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.676719][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.676776][ T32] r4:00000001 [ 1332.676800][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.676865][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.676895][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.676953][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.676984][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.677014][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.677053][ T32] r4:84e5a340 [ 1332.677081][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.677112][ T32] INFO: task kworker/1:432:4591 blocked for more than 459 seconds. [ 1332.677146][ T32] Not tainted 6.15.0-syzkaller #0 [ 1332.677169][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.677191][ T32] task:kworker/1:432 state:D stack:0 pid:4591 tgid:4591 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.677267][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.677333][ T32] Call trace: [ 1332.677389][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1332.677436][ T32] r10:8291880c r9:eb0add84 r8:00000002 r7:60000113 r6:eb0add8c r5:84c8e000 [ 1332.677491][ T32] r4:84c8e000 [ 1332.677515][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1332.677556][ T32] r5:84c8e000 r4:82918808 [ 1332.677602][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.677642][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.677685][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0ade08 [ 1332.677707][ T32] r4:00000000 [ 1332.677865][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1332.677904][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1332.677970][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.678031][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f8440 [ 1332.678077][ T32] r4:00000000 [ 1332.678108][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.678178][ T32] r9:83018205 r8:84c8e000 r7:00000000 r6:83018200 r5:00001000 r4:7f08f000 [ 1332.678220][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.678276][ T32] r5:00001000 r4:eadf7000 [ 1332.678394][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.678462][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.678507][ T32] r5:8533238c r4:85332000 [ 1332.678527][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.678572][ T32] r7:ddde2d80 r6:83018200 r5:8533238c r4:851c6980 [ 1332.678615][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.678698][ T32] r10:61c88647 r9:84c8e000 r8:851c69ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.678731][ T32] r4:851c6980 [ 1332.678751][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.678798][ T32] r10:00000000 r9:851c6980 r8:8027f5e8 r7:eb0a9e60 r6:851bfc80 r5:84c8e000 [ 1332.678820][ T32] r4:00000001 [ 1332.678874][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.678914][ T32] Exception stack(0xeb0adfb0 to 0xeb0adff8) [ 1332.678940][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.678968][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.679027][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.679197][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.679224][ T32] r4:851f8140 [ 1332.679541][ T32] INFO: task kworker/1:432:4591 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.679574][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.679683][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.679734][ T32] Call trace: [ 1332.699384][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.699540][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.699586][ T32] r4:00000000 [ 1332.699613][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 1 printk messages dropped ** [ 1332.699689][ T32] 9d20: 92582000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 10 printk messages dropped ** [ 1332.700633][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1332.701051][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1332.701465][ T32] r4:8454d780 ** 5 printk messages dropped ** [ 1332.702117][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 10 printk messages dropped ** [ 1332.703080][ T32] Call trace: ** 6 printk messages dropped ** [ 1332.703621][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1332.704431][ T32] r5:00001000 r4:eaed9000 [ 1332.704480][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1332.704659][ T32] r7:ddde2d80 r6:83018200 r5:8533278c r4:851c6a00 ** 8 printk messages dropped ** [ 1332.704971][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1332.705751][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.705796][ T32] Call trace: [ 1332.705826][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.705913][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.705941][ T32] r4:00000000 [ 1332.705961][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.705998][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.706026][ T32] 9d20: 92582000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.706056][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.706088][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.706112][ T32] r5:80070013 r4:80239bb0 [ 1332.706132][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.706260][ T32] r4:82ac11a4 [ 1332.706310][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.706362][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.706410][ T32] r4:e47b9dc0 [ 1332.706516][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.706564][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.706587][ T32] r4:00000000 [ 1332.706607][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.706652][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.706675][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.706799][ T32] r5:00001000 r4:ece91000 [ 1332.706905][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.706948][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.706990][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.707011][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.707076][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.707173][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.707276][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.707477][ T32] r4:8454d780 [ 1332.707581][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.707630][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.707677][ T32] r4:00000001 [ 1332.707726][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.707768][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.707944][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.708237][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.708270][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.708327][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.708353][ T32] r4:84e5a340 [ 1332.708399][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.708445][ T32] INFO: task kworker/1:434:4595 blocked for more than 459 seconds. ** 1 printk messages dropped ** [ 1332.708531][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 8 printk messages dropped ** [ 1332.708890][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1332.709512][ T32] r5:00001000 r4:eaefd000 [ 1332.709584][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.709627][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1332.733658][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1332.734853][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 11 printk messages dropped ** [ 1332.737854][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 15 printk messages dropped ** [ 1332.771667][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1332.772677][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1332.773155][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1332.773873][ T32] r4:85380000 ** 5 printk messages dropped ** [ 1332.774538][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1332.775114][ T32] r9:83018205 r8:85380000 r7:00000000 r6:83018200 r5:00001000 r4:7f095000 ** 1 printk messages dropped ** [ 1332.775271][ T32] r5:00001000 r4:eaf23000 ** 4 printk messages dropped ** [ 1332.775773][ T32] r7:ddde2d80 r6:83018200 r5:85332f8c r4:851c6b00 ** 7 printk messages dropped ** [ 1332.776445][ T32] Exception stack(0xeb0c9fb0 to 0xeb0c9ff8) ** 6 printk messages dropped ** [ 1332.777887][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.778100][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.778283][ T32] Call trace: [ 1332.778409][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.778521][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.778570][ T32] r4:00000000 [ 1332.778691][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.778783][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.778844][ T32] 9d20: 92c0c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.778907][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.778962][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.779012][ T32] r5:80070013 r4:80239bb0 [ 1332.779057][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.779358][ T32] r4:82ac11a4 [ 1332.779418][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.779515][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.779627][ T32] r4:e47b9dc0 [ 1332.779758][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.806741][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.806890][ T32] r4:00000000 [ 1332.806943][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.807070][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.807170][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.807356][ T32] r5:00001000 r4:ece91000 [ 1332.807405][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.807482][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.807634][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.807735][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.807830][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.807870][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.807958][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.808036][ T32] r4:8454d780 [ 1332.808107][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.808236][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.808284][ T32] r4:00000001 [ 1332.808334][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.808442][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.808503][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.808557][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.808721][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.808806][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.808851][ T32] r4:84e5a340 [ 1332.808895][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.808948][ T32] INFO: task kworker/1:436:4599 blocked for more than 459 seconds. [ 1332.809008][ T32] Not tainted 6.15.0-syzkaller #0 [ 1332.809055][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.809107][ T32] task:kworker/1:436 state:D stack:0 pid:4599 tgid:4599 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.809223][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.809323][ T32] Call trace: [ 1332.809529][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1332.809641][ T32] r10:8291880c r9:eb065d84 r8:00000002 r7:60000113 r6:eb065d8c r5:85300000 [ 1332.809691][ T32] r4:85300000 [ 1332.809837][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1332.824818][ T32] r5:85300000 r4:82918808 [ 1332.824977][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.825093][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.825178][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb065e08 [ 1332.825223][ T32] r4:00000000 [ 1332.825266][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1332.825374][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1332.825558][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.825681][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f8940 [ 1332.825733][ T32] r4:00000000 [ 1332.825779][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.825875][ T32] r9:83018205 r8:85300000 r7:00000000 r6:83018200 r5:00001000 r4:7f097000 [ 1332.825920][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.826001][ T32] r5:00001000 r4:eafd5000 [ 1332.826107][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.826237][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.826339][ T32] r5:8533338c r4:85333000 [ 1332.826442][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.826574][ T32] r7:ddde2d80 r6:83018200 r5:8533338c r4:851c6b80 ** 1 printk messages dropped ** [ 1332.826877][ T32] r10:61c88647 r9:85300000 r8:851c6bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 4 printk messages dropped ** [ 1332.827182][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1332.827752][ T32] r4:851f8600 ** 2 printk messages dropped ** [ 1332.828953][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1332.829432][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 7 printk messages dropped ** [ 1332.851224][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 12 printk messages dropped ** [ 1332.852349][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 5 printk messages dropped ** [ 1332.852852][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1332.853416][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1332.854571][ T32] r10:8291880c r9:eb0d1d84 r8:00000002 r7:60000113 r6:eb0d1d8c r5:85302400 ** 10 printk messages dropped ** [ 1332.855722][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f8ac0 ** 4 printk messages dropped ** [ 1332.856142][ T32] r5:00001000 r4:eb0cd000 ** 1 printk messages dropped ** [ 1332.856280][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1332.856432][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.856534][ T32] r7:ddde2d80 r6:83018200 r5:8533378c r4:851c6c80 [ 1332.856585][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.856685][ T32] r10:61c88647 r9:85302400 r8:851c6cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.856744][ T32] r4:851c6c80 [ 1332.856806][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.856909][ T32] r10:00000000 r9:851c6c80 r8:8027f5e8 r7:eb0a9e60 r6:851c6d00 r5:85302400 [ 1332.856960][ T32] r4:00000001 [ 1332.857005][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.857084][ T32] Exception stack(0xeb0d1fb0 to 0xeb0d1ff8) [ 1332.857182][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1332.857328][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.857413][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.857479][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.857569][ T32] r4:851f87c0 [ 1332.858518][ T32] INFO: task kworker/1:437:4602 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.858612][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.858774][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.859002][ T32] Call trace: [ 1332.859090][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.859196][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.859251][ T32] r4:00000000 [ 1332.859329][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.859427][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.859535][ T32] 9d20: 93218000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.859616][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.859679][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.880441][ T32] r5:80070013 r4:80239bb0 [ 1332.880537][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.880610][ T32] r4:82ac11a4 [ 1332.880663][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.880718][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.880741][ T32] r4:e47b9dc0 [ 1332.880781][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.881027][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.881141][ T32] r4:00000000 [ 1332.881457][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.881801][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.881866][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.881928][ T32] r5:00001000 r4:ece91000 [ 1332.882052][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.882210][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.882273][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.882294][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.882346][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.882529][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.882642][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.882762][ T32] r4:8454d780 [ 1332.882787][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.882867][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.882906][ T32] r4:00000001 [ 1332.882952][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.883063][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.883102][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.883132][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.883168][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.883389][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.883418][ T32] r4:84e5a340 [ 1332.883443][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.883474][ T32] INFO: task kworker/1:438:4604 blocked for more than 459 seconds. [ 1332.883511][ T32] Not tainted 6.15.0-syzkaller #0 [ 1332.883536][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.883591][ T32] task:kworker/1:438 state:D stack:0 pid:4604 tgid:4604 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.883655][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.883729][ T32] Call trace: [ 1332.883762][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1332.883923][ T32] r10:8291880c r9:eb0ddd84 r8:00000002 r7:60000113 r6:eb0ddd8c r5:85303000 [ 1332.883950][ T32] r4:85303000 [ 1332.883991][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1332.884034][ T32] r5:85303000 r4:82918808 [ 1332.884054][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.884096][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.884138][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0dde08 [ 1332.884215][ T32] r4:00000000 [ 1332.884345][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1332.884386][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1332.884443][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.884496][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f8d40 [ 1332.884561][ T32] r4:00000000 [ 1332.884795][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.884842][ T32] r9:83018205 r8:85303000 r7:00000000 r6:83018200 r5:00001000 r4:7f09d000 [ 1332.884884][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.885204][ T32] r5:00001000 r4:eb0e5000 [ 1332.885273][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.885316][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.885358][ T32] r5:85333f8c r4:85333c00 [ 1332.885581][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.885807][ T32] r7:ddde2d80 r6:83018200 r5:85333f8c r4:851c6d80 [ 1332.885839][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.885886][ T32] r10:61c88647 r9:85303000 r8:851c6dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.885928][ T32] r4:851c6d80 [ 1332.886050][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.886106][ T32] r10:00000000 r9:851c6d80 r8:8027f5e8 r7:eb0a9e60 r6:851c6e00 r5:85303000 [ 1332.886130][ T32] r4:00000001 [ 1332.886336][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.886387][ T32] Exception stack(0xeb0ddfb0 to 0xeb0ddff8) [ 1332.886456][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1332.886567][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.886785][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.886817][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.886884][ T32] r4:851f8a40 [ 1332.887459][ T32] INFO: task kworker/1:438:4604 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.887498][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.887698][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.887746][ T32] Call trace: [ 1332.887777][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.887903][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.887930][ T32] r4:00000000 [ 1332.888016][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.888061][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.888095][ T32] 9d20: 933d4000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.888125][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 3 printk messages dropped ** [ 1332.888802][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1332.889352][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1332.889759][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1332.912453][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1332.912871][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1332.913139][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1332.913685][ T32] r5:85303c00 r4:82918808 ** 5 printk messages dropped ** [ 1332.914416][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1332.915015][ T32] r5:00001000 r4:eac29000 [ 1332.915136][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.915198][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.915244][ T32] r5:85334f8c r4:85334c00 [ 1332.915291][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.915362][ T32] r7:ddde2d80 r6:83018200 r5:85334f8c r4:851c6e80 [ 1332.915437][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.915487][ T32] r10:61c88647 r9:85303c00 r8:851c6eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.915509][ T32] r4:851c6e80 [ 1332.915528][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.915576][ T32] r10:00000000 r9:851c6e80 r8:8027f5e8 r7:eb0dde60 r6:851c6f00 r5:85303c00 [ 1332.915698][ T32] r4:00000001 [ 1332.915722][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.915764][ T32] Exception stack(0xeb0e9fb0 to 0xeb0e9ff8) [ 1332.915792][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.915822][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.915849][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.915877][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.915899][ T32] r4:851f8b40 [ 1332.916399][ T32] INFO: task kworker/1:439:4606 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.916434][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.916492][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.916535][ T32] Call trace: [ 1332.916824][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.916878][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.916903][ T32] r4:00000000 [ 1332.916924][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.916960][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.916988][ T32] 9d20: 93a2f000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.917054][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.917091][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.917378][ T32] r5:80070013 r4:80239bb0 [ 1332.917405][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.918053][ T32] r4:82ac11a4 [ 1332.918210][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.918333][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.918453][ T32] r4:e47b9dc0 [ 1332.918657][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.918706][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.918730][ T32] r4:00000000 [ 1332.918750][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.918793][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.918815][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.918855][ T32] r5:00001000 r4:ece91000 [ 1332.918993][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.919194][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.919317][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.919553][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.919679][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.919797][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.955597][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.955734][ T32] r4:8454d780 [ 1332.955784][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.955908][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.956123][ T32] r4:00000001 [ 1332.956195][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.956275][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.956333][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.956451][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.956509][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.956565][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.956607][ T32] r4:84e5a340 [ 1332.956651][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.956706][ T32] INFO: task kworker/1:440:4607 blocked for more than 459 seconds. [ 1332.956787][ T32] Not tainted 6.15.0-syzkaller #0 [ 1332.956838][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.957008][ T32] task:kworker/1:440 state:D stack:0 pid:4607 tgid:4607 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.957129][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.957245][ T32] Call trace: [ 1332.957321][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1332.957436][ T32] r10:8291880c r9:eb075d84 r8:00000002 r7:60000113 r6:eb075d8c r5:85304800 [ 1332.957514][ T32] r4:85304800 [ 1332.957559][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1332.957636][ T32] r5:85304800 r4:82918808 [ 1332.957675][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.957743][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.957843][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb075e08 [ 1332.957906][ T32] r4:00000000 [ 1332.958007][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1332.958091][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1332.958170][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.958290][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f8ec0 [ 1332.958334][ T32] r4:00000000 [ 1332.958373][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.958482][ T32] r9:83018205 r8:85304800 r7:00000000 r6:83018200 r5:00001000 r4:7f09f000 [ 1332.958538][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.958618][ T32] r5:00001000 r4:eb0f1000 [ 1332.958692][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.958771][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.958848][ T32] r5:8533438c r4:85334000 [ 1332.958952][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.959056][ T32] r7:ddde2d80 r6:83018200 r5:8533438c r4:851c6f80 [ 1332.959107][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.959204][ T32] r10:61c88647 r9:85304800 r8:851c6fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.959299][ T32] r4:851c6f80 [ 1332.959387][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.959482][ T32] r10:00000000 r9:851c6f80 r8:8027f5e8 r7:eb0e9e60 r6:85229000 r5:85304800 [ 1332.959530][ T32] r4:00000001 [ 1332.959570][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.959644][ T32] Exception stack(0xeb075fb0 to 0xeb075ff8) [ 1332.959697][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1332.959754][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.973391][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.973580][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.973634][ T32] r4:851f8b40 [ 1332.974533][ T32] INFO: task kworker/1:440:4607 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.974610][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.974740][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.974891][ T32] Call trace: [ 1332.975010][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.975138][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.975246][ T32] r4:00000000 [ 1332.975294][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.975401][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.975554][ T32] 9d20: 93fba000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.975615][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.975663][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.975835][ T32] r5:80070013 r4:80239bb0 [ 1332.975916][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.976040][ T32] r4:82ac11a4 [ 1332.976087][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.976235][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.976284][ T32] r4:e47b9dc0 [ 1332.976325][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.976408][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.976451][ T32] r4:00000000 [ 1332.976488][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.976615][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.976664][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.976743][ T32] r5:00001000 r4:ece91000 [ 1332.976815][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.976923][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.977007][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.977055][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.977148][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1332.977191][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.977275][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1332.977324][ T32] r4:8454d780 [ 1332.977457][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.977583][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1332.977698][ T32] r4:00000001 [ 1332.977742][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.977811][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1332.977889][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.977963][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.978040][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.978134][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.978182][ T32] r4:84e5a340 [ 1332.978290][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1332.978373][ T32] INFO: task kworker/0:302:4612 blocked for more than 459 seconds. [ 1332.978442][ T32] Not tainted 6.15.0-syzkaller #0 [ 1332.978490][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1332.978575][ T32] task:kworker/0:302 state:D stack:0 pid:4612 tgid:4612 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.978668][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.978795][ T32] Call trace: [ 1332.978859][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1332.978949][ T32] r10:8291880c r9:eaea9d84 r8:00000002 r7:60000013 r6:eaea9d8c r5:85306000 [ 1332.979013][ T32] r4:85306000 [ 1332.979063][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1332.979150][ T32] r5:85306000 r4:82918808 [ 1332.979195][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1332.979271][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1332.979391][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaea9e08 [ 1332.979444][ T32] r4:00000000 [ 1332.979505][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1332.979586][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1332.979668][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.994925][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85215040 [ 1332.995073][ T32] r4:00000000 [ 1332.995118][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.995242][ T32] r9:83018005 r8:85306000 r7:00000000 r6:83018000 r5:00001000 r4:7f03f000 [ 1332.995287][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.995403][ T32] r5:00001000 r4:e06e1000 [ 1332.995452][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.995531][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.995642][ T32] r5:853a178c r4:853a1400 [ 1332.995689][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1332.995779][ T32] r7:dddced80 r6:83018000 r5:853a178c r4:851bfe80 [ 1332.995851][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1332.995942][ T32] r10:61c88647 r9:85306000 r8:851bfeac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1332.996015][ T32] r4:851bfe80 [ 1332.996065][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1332.996150][ T32] r10:00000000 r9:851bfe80 r8:8027f5e8 r7:eafcde60 r6:85229080 r5:85306000 [ 1332.996192][ T32] r4:00000001 [ 1332.996261][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1332.996373][ T32] Exception stack(0xeaea9fb0 to 0xeaea9ff8) [ 1332.996436][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1332.996490][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1332.996542][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1332.996596][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1332.996637][ T32] r4:851ef4c0 [ 1332.997542][ T32] INFO: task kworker/0:302:4612 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1332.997644][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1332.997786][ T32] Workqueue: events bpf_prog_free_deferred [ 1332.997874][ T32] Call trace: [ 1332.997933][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1332.998026][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1332.998107][ T32] r4:00000000 [ 1332.998152][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1332.998261][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1332.998333][ T32] 9d20: 9440a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1332.998395][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1332.998445][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1332.998490][ T32] r5:80070013 r4:80239bb0 [ 1332.998528][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1332.998641][ T32] r4:82ac11a4 [ 1332.998686][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1332.998774][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1332.998816][ T32] r4:e47b9dc0 [ 1332.998884][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1332.998972][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1332.999086][ T32] r4:00000000 [ 1332.999165][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1332.999264][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1332.999314][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1332.999395][ T32] r5:00001000 r4:ece91000 [ 1332.999437][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1332.999516][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1332.999616][ T32] r5:85a7af8c r4:85a7ac00 [ 1332.999700][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.022654][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.022794][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.022954][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.023009][ T32] r4:8454d780 [ 1333.023055][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.023144][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.023327][ T32] r4:00000001 [ 1333.023381][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.023461][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.023517][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.023572][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.023688][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.023757][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.023817][ T32] r4:84e5a340 [ 1333.023902][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.023966][ T32] INFO: task kworker/0:303:4613 blocked for more than 459 seconds. [ 1333.024076][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.024161][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.024210][ T32] task:kworker/0:303 state:D stack:0 pid:4613 tgid:4613 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.024316][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.024402][ T32] Call trace: [ 1333.024463][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.024559][ T32] r10:8291880c r9:eb001d84 r8:00000002 r7:60000013 r6:eb001d8c r5:85305400 [ 1333.024625][ T32] r4:85305400 [ 1333.024669][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.024751][ T32] r5:85305400 r4:82918808 [ 1333.024833][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.024924][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.025009][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb001e08 [ 1333.025072][ T32] r4:00000000 [ 1333.025115][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.025182][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.025273][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.025361][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851efe40 [ 1333.025404][ T32] r4:00000000 [ 1333.025443][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.025559][ T32] r9:83018005 r8:85305400 r7:00000000 r6:83018000 r5:00001000 r4:7f039000 [ 1333.025606][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.025686][ T32] r5:00001000 r4:dfe1f000 [ 1333.025724][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.025795][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.025872][ T32] r5:853a0b8c r4:853a0800 [ 1333.025910][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.026015][ T32] r7:dddced80 r6:83018000 r5:853a0b8c r4:851bff00 [ 1333.026064][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.026149][ T32] r10:61c88647 r9:85305400 r8:851bff2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.026241][ T32] r4:851bff00 [ 1333.026286][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.026371][ T32] r10:00000000 r9:851bff00 r8:8027f5e8 r7:eaea9e60 r6:85229100 r5:85305400 [ 1333.026416][ T32] r4:00000001 [ 1333.026453][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.026552][ T32] Exception stack(0xeb001fb0 to 0xeb001ff8) [ 1333.026626][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1333.026685][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.026737][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.026790][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.026832][ T32] r4:851ef4c0 [ 1333.027903][ T32] INFO: task kworker/0:303:4613 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.028016][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.028168][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.028328][ T32] Call trace: [ 1333.028420][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.028519][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.028562][ T32] r4:00000000 [ 1333.028599][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.028667][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.028750][ T32] 9d20: 947af000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.028811][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.028891][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.028943][ T32] r5:80070013 r4:80239bb0 [ 1333.028981][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.029114][ T32] r4:82ac11a4 [ 1333.029199][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.029306][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.029354][ T32] r4:e47b9dc0 [ 1333.029394][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.029517][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.029570][ T32] r4:00000000 [ 1333.029639][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.029895][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.050383][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.050561][ T32] r5:00001000 r4:ece91000 [ 1333.050604][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.050736][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.050849][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.050894][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.050987][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.051044][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.051183][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.051232][ T32] r4:8454d780 [ 1333.051294][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.051385][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.051428][ T32] r4:00000001 [ 1333.051486][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.051597][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.051722][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.051783][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.051866][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.051944][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.052021][ T32] r4:84e5a340 [ 1333.052089][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.052180][ T32] INFO: task kworker/0:304:4615 blocked for more than 459 seconds. [ 1333.052293][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.052347][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.052393][ T32] task:kworker/0:304 state:D stack:0 pid:4615 tgid:4615 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.052725][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.052876][ T32] Call trace: [ 1333.052977][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.053080][ T32] r10:8291880c r9:eb109d84 r8:00000002 r7:60000113 r6:eb109d8c r5:85308000 [ 1333.053190][ T32] r4:85308000 [ 1333.053235][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.053380][ T32] r5:85308000 r4:82918808 [ 1333.053467][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.053542][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.053620][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb109e08 [ 1333.053660][ T32] r4:00000000 [ 1333.053698][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.053923][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.054007][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.054096][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851f8f80 [ 1333.054203][ T32] r4:00000000 [ 1333.054252][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.054337][ T32] r9:83018005 r8:85308000 r7:00000000 r6:83018000 r5:00001000 r4:7f03b000 [ 1333.054378][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.054452][ T32] r5:00001000 r4:dfecd000 [ 1333.054490][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.054597][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.054679][ T32] r5:853a0f8c r4:853a0c00 [ 1333.054736][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.054829][ T32] r7:dddced80 r6:83018000 r5:853a0f8c r4:851bff80 [ 1333.054869][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.054953][ T32] r10:61c88647 r9:85308000 r8:851bffac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.054996][ T32] r4:851bff80 [ 1333.055041][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.055124][ T32] r10:00000000 r9:851bff80 r8:8027f5e8 r7:eaea9e60 r6:85229180 r5:85308000 [ 1333.055166][ T32] r4:00000001 [ 1333.055202][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.055268][ T32] Exception stack(0xeb109fb0 to 0xeb109ff8) [ 1333.055319][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.055424][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.055481][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.055539][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.055585][ T32] r4:851f8f40 [ 1333.056496][ T32] INFO: task kworker/0:304:4615 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.056562][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.056760][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.056840][ T32] Call trace: [ 1333.056963][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.057060][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.057104][ T32] r4:00000000 [ 1333.057141][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.057211][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.057457][ T32] 9d20: 94b85000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.057520][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.057572][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.057629][ T32] r5:80070013 r4:80239bb0 [ 1333.057672][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.057752][ T32] r4:82ac11a4 [ 1333.057812][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.057909][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.057951][ T32] r4:e47b9dc0 [ 1333.058010][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.058119][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.058178][ T32] r4:00000000 [ 1333.058250][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.058337][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.058379][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.058457][ T32] r5:00001000 r4:ece91000 [ 1333.058500][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.058580][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.058657][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.058710][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.058801][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.058840][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.058921][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.058963][ T32] r4:8454d780 [ 1333.059070][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.059171][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.059217][ T32] r4:00000001 [ 1333.059258][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.059356][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.059421][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.059508][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.059600][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.059662][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.059785][ T32] r4:84e5a340 [ 1333.083705][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.083810][ T32] INFO: task kworker/0:305:4617 blocked for more than 459 seconds. [ 1333.083875][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.083922][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.083963][ T32] task:kworker/0:305 state:D stack:0 pid:4617 tgid:4617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.084111][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.084224][ T32] Call trace: [ 1333.084350][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.084462][ T32] r10:8291880c r9:eb111d84 r8:00000002 r7:60000013 r6:eb111d8c r5:85309800 [ 1333.084507][ T32] r4:85309800 [ 1333.084576][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.084658][ T32] r5:85309800 r4:82918808 [ 1333.084699][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.084784][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.084870][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb111e08 [ 1333.084913][ T32] r4:00000000 [ 1333.084969][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.085068][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.085182][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.085272][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d99f40 [ 1333.085348][ T32] r4:00000000 [ 1333.085422][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.085516][ T32] r9:83018005 r8:85309800 r7:00000000 r6:83018000 r5:00001000 r4:7f03d000 [ 1333.085560][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.085636][ T32] r5:00001000 r4:e0691000 [ 1333.085763][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.085850][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.085934][ T32] r5:853a138c r4:853a1000 [ 1333.086039][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.086134][ T32] r7:dddced80 r6:83018000 r5:853a138c r4:85223000 [ 1333.086210][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.086513][ T32] r10:61c88647 r9:85309800 r8:8522302c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.086681][ T32] r4:85223000 [ 1333.086736][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.086828][ T32] r10:00000000 r9:85223000 r8:8027f5e8 r7:eaea9e60 r6:85229200 r5:85309800 [ 1333.086868][ T32] r4:00000001 [ 1333.086902][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.086967][ T32] Exception stack(0xeb111fb0 to 0xeb111ff8) [ 1333.087017][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1333.087094][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.087142][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.087192][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.087283][ T32] r4:84d99e40 [ 1333.087902][ T32] INFO: task kworker/0:305:4617 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.088037][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.088132][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.088381][ T32] Call trace: [ 1333.088421][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.088478][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.088560][ T32] r4:00000000 [ 1333.088586][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.088751][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.088924][ T32] 9d20: 94e88000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.088962][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.089027][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.089128][ T32] r5:80070013 r4:80239bb0 [ 1333.089232][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.089284][ T32] r4:82ac11a4 [ 1333.089305][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.089362][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.089513][ T32] r4:e47b9dc0 [ 1333.089537][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.089584][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.089625][ T32] r4:00000000 [ 1333.089648][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.089727][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.089767][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.090023][ T32] r5:00001000 r4:ece91000 [ 1333.117946][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.118060][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.118121][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.118203][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.118258][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.118322][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.118373][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.118423][ T32] r4:8454d780 [ 1333.118447][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.118510][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.118536][ T32] r4:00000001 [ 1333.118557][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.118594][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.118623][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.118651][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.118678][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.118708][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.118736][ T32] r4:84e5a340 [ 1333.118762][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.118793][ T32] INFO: task kworker/1:441:4618 blocked for more than 459 seconds. [ 1333.118853][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.119033][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.119062][ T32] task:kworker/1:441 state:D stack:0 pid:4618 tgid:4618 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.119217][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.119266][ T32] Call trace: [ 1333.119409][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.119469][ T32] r10:8291880c r9:eb115d84 r8:00000002 r7:60000113 r6:eb115d8c r5:8530a400 [ 1333.119509][ T32] r4:8530a400 [ 1333.119533][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.119576][ T32] r5:8530a400 r4:82918808 [ 1333.119680][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.124072][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.124219][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb115e08 [ 1333.124251][ T32] r4:00000000 [ 1333.124314][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.124357][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.124401][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.124453][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85228b40 [ 1333.124482][ T32] r4:00000000 [ 1333.124502][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.124548][ T32] r9:83018205 r8:8530a400 r7:00000000 r6:83018200 r5:00001000 r4:7f043000 [ 1333.124596][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.124677][ T32] r5:00001000 r4:ea8d1000 [ 1333.124702][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.124743][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.124788][ T32] r5:8533478c r4:85334400 [ 1333.124836][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.124892][ T32] r7:ddde2d80 r6:83018200 r5:8533478c r4:85229280 [ 1333.124931][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.124981][ T32] r10:61c88647 r9:8530a400 r8:852292ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.125005][ T32] r4:85229280 [ 1333.125026][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.125172][ T32] r10:00000000 r9:85229280 r8:8027f5e8 r7:eb0e9e60 r6:85229300 r5:8530a400 [ 1333.125199][ T32] r4:00000001 [ 1333.125219][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.125257][ T32] Exception stack(0xeb115fb0 to 0xeb115ff8) [ 1333.125287][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.125316][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.125370][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.125402][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.125448][ T32] r4:852282c0 [ 1333.125966][ T32] INFO: task kworker/1:441:4618 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.126233][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.126471][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.126527][ T32] Call trace: [ 1333.126559][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.126610][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.126861][ T32] r4:00000000 [ 1333.126886][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.126930][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.126959][ T32] 9d20: 95491000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.127024][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.127054][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.127705][ T32] r5:80070013 r4:80239bb0 [ 1333.128012][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.128073][ T32] r4:82ac11a4 [ 1333.128113][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.128166][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.128666][ T32] r4:e47b9dc0 [ 1333.128689][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.128734][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 6 printk messages dropped ** [ 1333.150840][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1333.151771][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.151856][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.151898][ T32] r4:00000001 [ 1333.151935][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.152020][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.152086][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.152140][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.152189][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.152625][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.152809][ T32] r4:84e5a340 [ 1333.152994][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.153061][ T32] INFO: task kworker/0:306:4621 blocked for more than 459 seconds. [ 1333.153388][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.153676][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.153733][ T32] task:kworker/0:306 state:D stack:0 pid:4621 tgid:4621 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.153890][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.153976][ T32] Call trace: [ 1333.154280][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.154385][ T32] r10:8291880c r9:eb121d84 r8:00000002 r7:60000013 r6:eb121d8c r5:85308c00 [ 1333.154429][ T32] r4:85308c00 [ 1333.154467][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.154540][ T32] r5:85308c00 r4:82918808 [ 1333.154594][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.154688][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.154794][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb121e08 [ 1333.154842][ T32] r4:00000000 [ 1333.154895][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.154967][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.155053][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.155134][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85215d00 [ 1333.155175][ T32] r4:00000000 [ 1333.155212][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.155297][ T32] r9:83018005 r8:85308c00 r7:00000000 r6:83018000 r5:00001000 r4:7f051000 [ 1333.155339][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.155432][ T32] r5:00001000 r4:eacb9000 [ 1333.155588][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.155667][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.155766][ T32] r5:853a2f8c r4:853a2c00 [ 1333.155834][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.155931][ T32] r7:dddced80 r6:83018000 r5:853a2f8c r4:85223080 [ 1333.155971][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.156058][ T32] r10:61c88647 r9:85308c00 r8:852230ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.156118][ T32] r4:85223080 [ 1333.156162][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.156244][ T32] r10:00000000 r9:85223080 r8:8027f5e8 r7:eaea9e60 r6:85229380 r5:85308c00 [ 1333.156285][ T32] r4:00000001 [ 1333.156323][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.156389][ T32] Exception stack(0xeb121fb0 to 0xeb121ff8) [ 1333.156438][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1333.156514][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.156573][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.156627][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.156684][ T32] r4:85215080 [ 1333.157586][ T32] INFO: task kworker/0:306:4621 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.157654][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.157825][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.157963][ T32] Call trace: [ 1333.158079][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.158182][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.158252][ T32] r4:00000000 [ 1333.158292][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.158362][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.158417][ T32] 9d20: 95aa1000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.158471][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.158518][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.158578][ T32] r5:80070013 r4:80239bb0 [ 1333.158653][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.158748][ T32] r4:82ac11a4 [ 1333.158788][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.158873][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.158929][ T32] r4:e47b9dc0 [ 1333.158970][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.159087][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.159142][ T32] r4:00000000 [ 1333.159200][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.159302][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.159349][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.159433][ T32] r5:00001000 r4:ece91000 [ 1333.159475][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.159550][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.159671][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.190466][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.190699][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.190747][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.190916][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.190976][ T32] r4:8454d780 [ 1333.191019][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1333.191296][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 3 printk messages dropped ** [ 1333.191567][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1333.191966][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1333.192174][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.192293][ T32] Call trace: [ 1333.192377][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.192473][ T32] r10:8291880c r9:eb125d84 r8:00000002 r7:60000113 r6:eb125d8c r5:8530b000 [ 1333.192517][ T32] r4:8530b000 [ 1333.192588][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.192674][ T32] r5:8530b000 r4:82918808 [ 1333.192719][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.192797][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.193005][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb125e08 [ 1333.193061][ T32] r4:00000000 [ 1333.193134][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.193206][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.193284][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.193397][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85215340 [ 1333.193570][ T32] r4:00000000 [ 1333.193614][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.193721][ T32] r9:83018005 r8:8530b000 r7:00000000 r6:83018000 r5:00001000 r4:7f041000 [ 1333.193769][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.193847][ T32] r5:00001000 r4:e0741000 [ 1333.193931][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.194010][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.194098][ T32] r5:853a1b8c r4:853a1800 [ 1333.194141][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.194245][ T32] r7:dddced80 r6:83018000 r5:853a1b8c r4:85223100 [ 1333.194286][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.194371][ T32] r10:61c88647 r9:8530b000 r8:8522312c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.194412][ T32] r4:85223100 [ 1333.194463][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.194550][ T32] r10:00000000 r9:85223100 r8:8027f5e8 r7:eb121e60 r6:85229400 r5:8530b000 [ 1333.194611][ T32] r4:00000001 [ 1333.194656][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.194724][ T32] Exception stack(0xeb125fb0 to 0xeb125ff8) [ 1333.194806][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.194867][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.194936][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.194993][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.195040][ T32] r4:85215080 [ 1333.195925][ T32] INFO: task kworker/0:307:4622 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.196019][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.196162][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.196278][ T32] Call trace: [ 1333.196338][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.196462][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.196542][ T32] r4:00000000 [ 1333.196590][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.196699][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.196758][ T32] 9d20: 95fc4000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.196822][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.196870][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.196921][ T32] r5:80070013 r4:80239bb0 [ 1333.196966][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.197059][ T32] r4:82ac11a4 [ 1333.197099][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.197224][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.197277][ T32] r4:e47b9dc0 [ 1333.197409][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.197497][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.197538][ T32] r4:00000000 [ 1333.197576][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.197657][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.197717][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.197799][ T32] r5:00001000 r4:ece91000 [ 1333.197900][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.197998][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.198115][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.198178][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.198290][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.198331][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.198445][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.198492][ T32] r4:8454d780 [ 1333.198529][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.198639][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.198739][ T32] r4:00000001 [ 1333.198781][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.198849][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.198928][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.199121][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.199185][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.199245][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.199290][ T32] r4:84e5a340 [ 1333.199363][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.199423][ T32] INFO: task kworker/0:308:4625 blocked for more than 459 seconds. [ 1333.199484][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.199609][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.199664][ T32] task:kworker/0:308 state:D stack:0 pid:4625 tgid:4625 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.213353][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.213614][ T32] Call trace: [ 1333.213768][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.213867][ T32] r10:8291880c r9:eb101d84 r8:00000002 r7:60000013 r6:eb101d8c r5:8530c800 [ 1333.213988][ T32] r4:8530c800 [ 1333.214064][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.214136][ T32] r5:8530c800 r4:82918808 [ 1333.214170][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.214274][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.214416][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb101e08 [ 1333.214487][ T32] r4:00000000 [ 1333.214539][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.214599][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.214682][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.214790][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852154c0 [ 1333.214864][ T32] r4:00000000 [ 1333.214898][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.214973][ T32] r9:83018005 r8:8530c800 r7:00000000 r6:83018000 r5:00001000 r4:7f045000 [ 1333.215039][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.215111][ T32] r5:00001000 r4:ea91d000 [ 1333.215144][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.215205][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.215270][ T32] r5:853a1f8c r4:853a1c00 [ 1333.215308][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.215396][ T32] r7:dddced80 r6:83018000 r5:853a1f8c r4:85223180 [ 1333.215433][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.215528][ T32] r10:61c88647 r9:8530c800 r8:852231ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.215746][ T32] r4:85223180 [ 1333.215842][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.215922][ T32] r10:00000000 r9:85223180 r8:8027f5e8 r7:eb121e60 r6:85229480 r5:8530c800 [ 1333.215962][ T32] r4:00000001 [ 1333.215995][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.216057][ T32] Exception stack(0xeb101fb0 to 0xeb101ff8) [ 1333.216101][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1333.216203][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.216251][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.216337][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.216480][ T32] r4:85215400 [ 1333.217296][ T32] INFO: task kworker/0:308:4625 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.217368][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.217466][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.217565][ T32] Call trace: [ 1333.217647][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.217730][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.217799][ T32] r4:00000000 [ 1333.217941][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.218038][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.218166][ T32] 9d20: 95fc4000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.218350][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.218438][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.218479][ T32] r5:80070013 r4:80239bb0 [ 1333.218508][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.218570][ T32] r4:82ac11a4 [ 1333.218597][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.218702][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.218733][ T32] r4:e47b9dc0 [ 1333.218841][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.218933][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.219002][ T32] r4:00000000 [ 1333.219071][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.219134][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.219164][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.219248][ T32] r5:00001000 r4:ece91000 [ 1333.219307][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.219361][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.219412][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.219435][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.219489][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.219543][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.219601][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.219630][ T32] r4:8454d780 [ 1333.219675][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.236939][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.237055][ T32] r4:00000001 [ 1333.237103][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.237172][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.237204][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.237234][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.237260][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.237296][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.237328][ T32] r4:84e5a340 [ 1333.237383][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.237419][ T32] INFO: task kworker/1:442:4627 blocked for more than 459 seconds. [ 1333.237456][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.237479][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.237502][ T32] task:kworker/1:442 state:D stack:0 pid:4627 tgid:4627 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.237560][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.237646][ T32] Call trace: [ 1333.237688][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.237765][ T32] r10:8291880c r9:eb129d84 r8:00000002 r7:60000113 r6:eb129d8c r5:8530d400 [ 1333.237791][ T32] r4:8530d400 [ 1333.237811][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.237853][ T32] r5:8530d400 r4:82918808 [ 1333.237875][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.237950][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.238031][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb129e08 [ 1333.238106][ T32] r4:00000000 [ 1333.238129][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.238165][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.238258][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.238312][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85228e40 [ 1333.238335][ T32] r4:00000000 [ 1333.238354][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.238429][ T32] r9:83018205 r8:8530d400 r7:00000000 r6:83018200 r5:00001000 r4:7f049000 [ 1333.238458][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.238502][ T32] r5:00001000 r4:eabf1000 [ 1333.238548][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.238591][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.238636][ T32] r5:85334b8c r4:85334800 [ 1333.238658][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.238703][ T32] r7:ddde2d80 r6:83018200 r5:85334b8c r4:85229500 [ 1333.238753][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.238822][ T32] r10:61c88647 r9:8530d400 r8:8522952c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.238848][ T32] r4:85229500 [ 1333.238906][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.238954][ T32] r10:00000000 r9:85229500 r8:8027f5e8 r7:eb0e9e60 r6:85229580 r5:8530d400 [ 1333.238976][ T32] r4:00000001 [ 1333.238996][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.239031][ T32] Exception stack(0xeb129fb0 to 0xeb129ff8) [ 1333.239062][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.239120][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.239177][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.239208][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.239230][ T32] r4:85228a80 [ 1333.250657][ T32] INFO: task kworker/1:442:4627 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.250755][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.250832][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.250947][ T32] Call trace: [ 1333.250985][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.251042][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.251066][ T32] r4:00000000 [ 1333.251119][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.251163][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.251192][ T32] 9d20: 96d55000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.251234][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.251301][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.251334][ T32] r5:80070013 r4:80239bb0 [ 1333.251385][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.251475][ T32] r4:82ac11a4 [ 1333.251499][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.251584][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.251611][ T32] r4:e47b9dc0 [ 1333.251631][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.251708][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.251733][ T32] r4:00000000 [ 1333.251809][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.251892][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.251949][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.251994][ T32] r5:00001000 r4:ece91000 [ 1333.252015][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.252053][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.252144][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.252241][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.252336][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.252364][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.252501][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.252568][ T32] r4:8454d780 [ 1333.252625][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.252705][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.252731][ T32] r4:00000001 [ 1333.252786][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.252850][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.252911][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.252963][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.252993][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.253066][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.253095][ T32] r4:84e5a340 [ 1333.253179][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.253212][ T32] INFO: task kworker/0:309:4628 blocked for more than 459 seconds. [ 1333.253277][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.253312][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.253335][ T32] task:kworker/0:309 state:D stack:0 pid:4628 tgid:4628 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.253387][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.253428][ T32] Call trace: [ 1333.253532][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.253642][ T32] r10:8291880c r9:eb12dd84 r8:00000002 r7:60000013 r6:eb12dd8c r5:8530e000 [ 1333.253669][ T32] r4:8530e000 [ 1333.253689][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.253729][ T32] r5:8530e000 r4:82918808 [ 1333.253752][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.253790][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.253864][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb12de08 [ 1333.253927][ T32] r4:00000000 [ 1333.253983][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.254060][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.254125][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.254211][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85215680 [ 1333.254271][ T32] r4:00000000 [ 1333.254330][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.254410][ T32] r9:83018005 r8:8530e000 r7:00000000 r6:83018000 r5:00001000 r4:7f047000 [ 1333.254457][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.254533][ T32] r5:00001000 r4:ea961000 [ 1333.254556][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.254596][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.254664][ T32] r5:853a238c r4:853a2000 [ 1333.254724][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.254771][ T32] r7:dddced80 r6:83018000 r5:853a238c r4:85223200 [ 1333.254792][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.254871][ T32] r10:61c88647 r9:8530e000 r8:8522322c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.254931][ T32] r4:85223200 [ 1333.254953][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.255027][ T32] r10:00000000 r9:85223200 r8:8027f5e8 r7:eb121e60 r6:85229600 r5:8530e000 [ 1333.255055][ T32] r4:00000001 [ 1333.255074][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.255146][ T32] Exception stack(0xeb12dfb0 to 0xeb12dff8) [ 1333.255176][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.255238][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.255321][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.255390][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.255449][ T32] r4:85215500 [ 1333.255940][ T32] INFO: task kworker/0:309:4628 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.255974][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.256112][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.256163][ T32] Call trace: [ 1333.256377][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.256477][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.256507][ T32] r4:00000000 [ 1333.256529][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.256597][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.256660][ T32] 9d20: 96d55000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.256695][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.256727][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.256756][ T32] r5:80070013 r4:80239bb0 [ 1333.256779][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.256838][ T32] r4:82ac11a4 [ 1333.256891][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.256943][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.256972][ T32] r4:e47b9dc0 [ 1333.257021][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.257118][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.257193][ T32] r4:00000000 [ 1333.257360][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.257432][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.257460][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.257504][ T32] r5:00001000 r4:ece91000 [ 1333.257525][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.257620][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.257667][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.257688][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.257734][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.257756][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.257897][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.257931][ T32] r4:8454d780 [ 1333.257952][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.258026][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.258060][ T32] r4:00000001 [ 1333.258080][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.258120][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.258175][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.258279][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.258318][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.258364][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.258412][ T32] r4:84e5a340 [ 1333.258473][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.258558][ T32] INFO: task kworker/0:310:4630 blocked for more than 459 seconds. [ 1333.258623][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.258649][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.258690][ T32] task:kworker/0:310 state:D stack:0 pid:4630 tgid:4630 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.258787][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.258874][ T32] Call trace: [ 1333.258955][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.259051][ T32] r10:8291880c r9:eb0f5d84 r8:00000002 r7:60000113 r6:eb0f5d8c r5:85382400 [ 1333.259087][ T32] r4:85382400 [ 1333.259136][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.259181][ T32] r5:85382400 r4:82918808 [ 1333.259203][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.259294][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.259357][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0f5e08 [ 1333.259381][ T32] r4:00000000 [ 1333.259400][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.259453][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.259543][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.259590][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85215a00 [ 1333.259681][ T32] r4:00000000 [ 1333.259731][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.259892][ T32] r9:83018005 r8:85382400 r7:00000000 r6:83018000 r5:00001000 r4:7f04d000 [ 1333.282773][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.282894][ T32] r5:00001000 r4:eac59000 [ 1333.282947][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.283016][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.283060][ T32] r5:853a278c r4:853a2400 [ 1333.283082][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.283130][ T32] r7:dddced80 r6:83018000 r5:853a278c r4:85223280 [ 1333.283191][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.283280][ T32] r10:61c88647 r9:85382400 r8:852232ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.283312][ T32] r4:85223280 [ 1333.283369][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.283419][ T32] r10:00000000 r9:85223280 r8:8027f5e8 r7:eb121e60 r6:85223300 r5:85382400 [ 1333.283459][ T32] r4:00000001 [ 1333.283519][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.283573][ T32] Exception stack(0xeb0f5fb0 to 0xeb0f5ff8) [ 1333.283609][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.283639][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.283698][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.283736][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.283789][ T32] r4:85215500 [ 1333.284341][ T32] INFO: task kworker/0:310:4630 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.284388][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.284466][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.284551][ T32] Call trace: [ 1333.284642][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.284727][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.284763][ T32] r4:00000000 [ 1333.284822][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.284867][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.284927][ T32] 9d20: 97383000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.284983][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.285067][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.285133][ T32] r5:80070013 r4:80239bb0 [ 1333.285174][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.285257][ T32] r4:82ac11a4 [ 1333.285331][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.285402][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.285429][ T32] r4:e47b9dc0 [ 1333.285478][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.285591][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.285621][ T32] r4:00000000 [ 1333.285690][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.285746][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.285819][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.285893][ T32] r5:00001000 r4:ece91000 [ 1333.285949][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.285993][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.286035][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.286060][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.286108][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.286130][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.286175][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.286273][ T32] r4:8454d780 [ 1333.286337][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.286388][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.286413][ T32] r4:00000001 [ 1333.286433][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.286500][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.286563][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.286598][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.286657][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.286727][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.286789][ T32] r4:84e5a340 [ 1333.286815][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.286847][ T32] INFO: task kworker/1:443:4633 blocked for more than 459 seconds. [ 1333.286922][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.287003][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.287031][ T32] task:kworker/1:443 state:D stack:0 pid:4633 tgid:4633 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.287108][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.287152][ T32] Call trace: [ 1333.287206][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.287266][ T32] r10:8291880c r9:eb139d84 r8:00000002 r7:60000113 r6:eb139d8c r5:85380c00 [ 1333.287336][ T32] r4:85380c00 [ 1333.287393][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.287439][ T32] r5:85380c00 r4:82918808 [ 1333.287461][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.287528][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.287608][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb139e08 [ 1333.287635][ T32] r4:00000000 [ 1333.287657][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.287730][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.287773][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.287852][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85228040 [ 1333.287879][ T32] r4:00000000 [ 1333.287929][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.288004][ T32] r9:83018205 r8:85380c00 r7:00000000 r6:83018200 r5:00001000 r4:7f057000 [ 1333.288041][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.288087][ T32] r5:00001000 r4:ead47000 [ 1333.288140][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.288184][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.288226][ T32] r5:8533538c r4:85335000 [ 1333.288248][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.288327][ T32] r7:ddde2d80 r6:83018200 r5:8533538c r4:85229680 [ 1333.288382][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.288432][ T32] r10:61c88647 r9:85380c00 r8:852296ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.288528][ T32] r4:85229680 [ 1333.288551][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.288598][ T32] r10:00000000 r9:85229680 r8:8027f5e8 r7:eb0e9e60 r6:85223380 r5:85380c00 [ 1333.288621][ T32] r4:00000001 [ 1333.288642][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.288680][ T32] Exception stack(0xeb139fb0 to 0xeb139ff8) [ 1333.288736][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.288770][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.288801][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.288883][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.288910][ T32] r4:85228e00 [ 1333.289360][ T32] INFO: task kworker/1:443:4633 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.289428][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.289491][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.289537][ T32] Call trace: [ 1333.289567][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.289645][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.289704][ T32] r4:00000000 [ 1333.289762][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.313027][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.313166][ T32] 9d20: 97b70000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.313209][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.313236][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.313264][ T32] r5:80070013 r4:80239bb0 [ 1333.313286][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.313392][ T32] r4:82ac11a4 [ 1333.313418][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.313510][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.313537][ T32] r4:e47b9dc0 [ 1333.313557][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.313602][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.313624][ T32] r4:00000000 [ 1333.313678][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.313748][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.313776][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.313852][ T32] r5:00001000 r4:ece91000 [ 1333.313875][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.313915][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.313972][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.314024][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.314078][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.314099][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.314163][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.314332][ T32] r4:8454d780 [ 1333.314364][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.314447][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.314502][ T32] r4:00000001 [ 1333.314555][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.314597][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.314623][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.314651][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.314678][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.314705][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.314726][ T32] r4:84e5a340 [ 1333.314783][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.314858][ T32] INFO: task kworker/0:311:4635 blocked for more than 459 seconds. [ 1333.314899][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.314958][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.315015][ T32] task:kworker/0:311 state:D stack:0 pid:4635 tgid:4635 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.315114][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.315189][ T32] Call trace: [ 1333.315285][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.315350][ T32] r10:8291880c r9:eb13dd84 r8:00000002 r7:60000113 r6:eb13dd8c r5:85384800 [ 1333.315447][ T32] r4:85384800 [ 1333.315603][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.315722][ T32] r5:85384800 r4:82918808 [ 1333.315760][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.315867][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.315932][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb13de08 [ 1333.315963][ T32] r4:00000000 [ 1333.315989][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.316118][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.316181][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.316243][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85215b00 [ 1333.316356][ T32] r4:00000000 [ 1333.316396][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.316459][ T32] r9:83018005 r8:85384800 r7:00000000 r6:83018000 r5:00001000 r4:7f04f000 [ 1333.316488][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.316546][ T32] r5:00001000 r4:eac87000 [ 1333.316578][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.316673][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.316732][ T32] r5:853a2b8c r4:853a2800 [ 1333.316759][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.317019][ T32] r7:dddced80 r6:83018000 r5:853a2b8c r4:85223400 [ 1333.317058][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.317846][ T32] r10:61c88647 r9:85384800 r8:8522342c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.318173][ T32] r4:85223400 [ 1333.318233][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.318743][ T32] r10:00000000 r9:85223400 r8:8027f5e8 r7:eb121e60 r6:85223480 r5:85384800 [ 1333.319037][ T32] r4:00000001 [ 1333.319067][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.319108][ T32] Exception stack(0xeb13dfb0 to 0xeb13dff8) [ 1333.319197][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.319232][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.319306][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.319531][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.319558][ T32] r4:85215980 [ 1333.341587][ T32] INFO: task kworker/0:311:4635 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.341695][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.341797][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.341861][ T32] Call trace: [ 1333.341924][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.342017][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.342081][ T32] r4:00000000 [ 1333.342142][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.342214][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.342317][ T32] 9d20: 983cf000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.342352][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.342428][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.342457][ T32] r5:80070013 r4:80239bb0 [ 1333.342511][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.342563][ T32] r4:82ac11a4 [ 1333.342621][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.342674][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.342734][ T32] r4:e47b9dc0 [ 1333.342757][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.342828][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.342869][ T32] r4:00000000 [ 1333.342927][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.343000][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.343025][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.343104][ T32] r5:00001000 r4:ece91000 [ 1333.343128][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.343196][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.343338][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.343402][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.343462][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.343515][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.343567][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.343645][ T32] r4:8454d780 [ 1333.343702][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.343796][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.343843][ T32] r4:00000001 [ 1333.343867][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.343921][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.343990][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.344027][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.344092][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.344125][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.344177][ T32] r4:84e5a340 [ 1333.344227][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.344263][ T32] INFO: task kworker/0:312:4638 blocked for more than 459 seconds. [ 1333.344334][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.344366][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.344392][ T32] task:kworker/0:312 state:D stack:0 pid:4638 tgid:4638 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.344441][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.344484][ T32] Call trace: [ 1333.344547][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.344615][ T32] r10:8291880c r9:eb141d84 r8:00000002 r7:60000013 r6:eb141d8c r5:85383c00 [ 1333.344642][ T32] r4:85383c00 [ 1333.344696][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.344773][ T32] r5:85383c00 r4:82918808 [ 1333.344800][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.344876][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.344944][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb141e08 [ 1333.344970][ T32] r4:00000000 [ 1333.345024][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.345070][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.345143][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.345227][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85215f40 [ 1333.345252][ T32] r4:00000000 [ 1333.345271][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.345318][ T32] r9:83018005 r8:85383c00 r7:00000000 r6:83018000 r5:00001000 r4:7f053000 [ 1333.345368][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.345412][ T32] r5:00001000 r4:eacf9000 [ 1333.345459][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.345500][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.345542][ T32] r5:853a338c r4:853a3000 [ 1333.345562][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.345656][ T32] r7:dddced80 r6:83018000 r5:853a338c r4:85223500 [ 1333.345716][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.345796][ T32] r10:61c88647 r9:85383c00 r8:8522352c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.345845][ T32] r4:85223500 [ 1333.345903][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.346007][ T32] r10:00000000 r9:85223500 r8:8027f5e8 r7:eb121e60 r6:85223580 r5:85383c00 [ 1333.346045][ T32] r4:00000001 [ 1333.346108][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.346257][ T32] Exception stack(0xeb141fb0 to 0xeb141ff8) [ 1333.346316][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1333.346386][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.346418][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.346510][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.346536][ T32] r4:85215940 [ 1333.346886][ T32] INFO: task kworker/0:312:4638 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.346948][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.347068][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.347151][ T32] Call trace: [ 1333.347211][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.347269][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.347322][ T32] r4:00000000 [ 1333.347385][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.347460][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.347492][ T32] 9d20: 983cf000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.347551][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.347580][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.347640][ T32] r5:80070013 r4:80239bb0 [ 1333.347694][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.347743][ T32] r4:82ac11a4 [ 1333.347763][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.347841][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.347895][ T32] r4:e47b9dc0 [ 1333.347949][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.348037][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.348067][ T32] r4:00000000 [ 1333.348125][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.348177][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.348235][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.348284][ T32] r5:00001000 r4:ece91000 [ 1333.348306][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.348377][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.348422][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.348470][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.348558][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.348614][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.348664][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.348729][ T32] r4:8454d780 [ 1333.348788][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 1 printk messages dropped ** [ 1333.348940][ T32] r4:00000001 ** 1 printk messages dropped ** [ 1333.349038][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 3 printk messages dropped ** [ 1333.349215][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1333.349394][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1333.349561][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.349600][ T32] Call trace: [ 1333.349658][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.349760][ T32] r10:8291880c r9:eb145d84 r8:00000002 r7:60000013 r6:eb145d8c r5:85386000 [ 1333.370170][ T32] r4:85386000 [ 1333.370242][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.370312][ T32] r5:85386000 r4:82918808 [ 1333.370333][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.370370][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.370467][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb145e08 [ 1333.370494][ T32] r4:00000000 [ 1333.370514][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.370550][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.370592][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.370639][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522b700 [ 1333.370717][ T32] r4:00000000 [ 1333.370740][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.370842][ T32] r9:83018005 r8:85386000 r7:00000000 r6:83018000 r5:00001000 r4:7f05d000 [ 1333.370873][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.370920][ T32] r5:00001000 r4:eae3f000 [ 1333.370958][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.371000][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.371042][ T32] r5:853ac38c r4:853ac000 [ 1333.371071][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.371117][ T32] r7:dddced80 r6:83018000 r5:853ac38c r4:85223600 [ 1333.371197][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.371247][ T32] r10:61c88647 r9:85386000 r8:8522362c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.371269][ T32] r4:85223600 [ 1333.371288][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.371350][ T32] r10:00000000 r9:85223600 r8:8027f5e8 r7:eb141e60 r6:85223680 r5:85386000 [ 1333.371375][ T32] r4:00000001 [ 1333.371395][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.371431][ T32] Exception stack(0xeb145fb0 to 0xeb145ff8) [ 1333.371460][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.371488][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.371537][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.371596][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.371662][ T32] r4:85215dc0 [ 1333.372201][ T32] INFO: task kworker/0:313:4640 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.372241][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.372312][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.372363][ T32] Call trace: [ 1333.372396][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.372459][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.372514][ T32] r4:00000000 [ 1333.372538][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.372576][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.372631][ T32] 9d20: 985d0000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.372663][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.372688][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.372711][ T32] r5:80070013 r4:80239bb0 [ 1333.372730][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.372774][ T32] r4:82ac11a4 [ 1333.372794][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.372839][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.372911][ T32] r4:e47b9dc0 [ 1333.372933][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.372977][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.373021][ T32] r4:00000000 [ 1333.373076][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.373129][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.373153][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.373201][ T32] r5:00001000 r4:ece91000 [ 1333.373240][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.373391][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.373456][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.373483][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.373546][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.373601][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.373649][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.373671][ T32] r4:8454d780 [ 1333.373690][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.373733][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.373787][ T32] r4:00000001 [ 1333.373838][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.373902][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.373935][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.374001][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.374036][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.374099][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.374126][ T32] r4:84e5a340 [ 1333.374148][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.374214][ T32] INFO: task kworker/0:314:4641 blocked for more than 459 seconds. [ 1333.374279][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.374305][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.374327][ T32] task:kworker/0:314 state:D stack:0 pid:4641 tgid:4641 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.374392][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.374458][ T32] Call trace: [ 1333.374520][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.374568][ T32] r10:8291880c r9:eb149d84 r8:00000002 r7:60000013 r6:eb149d8c r5:85386c00 [ 1333.374591][ T32] r4:85386c00 [ 1333.374609][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.374647][ T32] r5:85386c00 r4:82918808 [ 1333.374695][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.374754][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.374799][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb149e08 [ 1333.374821][ T32] r4:00000000 [ 1333.374839][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.374873][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.374910][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.374981][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851efa80 [ 1333.375035][ T32] r4:00000000 [ 1333.375061][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.375105][ T32] r9:83018005 r8:85386c00 r7:00000000 r6:83018000 r5:00001000 r4:7f055000 [ 1333.375126][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.375167][ T32] r5:00001000 r4:ead29000 [ 1333.375186][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.375222][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.375266][ T32] r5:853a378c r4:853a3400 [ 1333.375315][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.375386][ T32] r7:dddced80 r6:83018000 r5:853a378c r4:85223700 [ 1333.375410][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.375455][ T32] r10:61c88647 r9:85386c00 r8:8522372c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.375513][ T32] r4:85223700 [ 1333.375534][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.375601][ T32] r10:00000000 r9:85223700 r8:8027f5e8 r7:eb145e60 r6:85223780 r5:85386c00 [ 1333.375625][ T32] r4:00000001 [ 1333.375657][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.375695][ T32] Exception stack(0xeb149fb0 to 0xeb149ff8) [ 1333.375720][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.375752][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.375780][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.375838][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.375864][ T32] r4:851efec0 [ 1333.376227][ T32] INFO: task kworker/0:314:4641 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.376296][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.376355][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.376397][ T32] Call trace: [ 1333.376454][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.376502][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.376525][ T32] r4:00000000 [ 1333.376544][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.376609][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.376668][ T32] 9d20: 985d0000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.376726][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.376755][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.376782][ T32] r5:80070013 r4:80239bb0 [ 1333.376853][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.376929][ T32] r4:82ac11a4 [ 1333.376952][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.377004][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.377027][ T32] r4:e47b9dc0 [ 1333.377063][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.377139][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.377241][ T32] r4:00000000 [ 1333.377295][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.377381][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.377407][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.377450][ T32] r5:00001000 r4:ece91000 [ 1333.377474][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.377514][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.377568][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.377591][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.377636][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.377711][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.377758][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.377808][ T32] r4:8454d780 [ 1333.377831][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.377902][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.377956][ T32] r4:00000001 [ 1333.378006][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.378044][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.378076][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.378131][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.378161][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.378274][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.378414][ T32] r4:84e5a340 [ 1333.378444][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.378473][ T32] INFO: task kworker/1:444:4644 blocked for more than 459 seconds. [ 1333.378503][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.378526][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.378571][ T32] task:kworker/1:444 state:D stack:0 pid:4644 tgid:4644 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.378620][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.378662][ T32] Call trace: [ 1333.378750][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.378825][ T32] r10:8291880c r9:eb159d84 r8:00000002 r7:60000013 r6:eb159d8c r5:85381800 [ 1333.378852][ T32] r4:85381800 [ 1333.378886][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.378928][ T32] r5:85381800 r4:82918808 [ 1333.378970][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.379037][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.379108][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb159e08 [ 1333.379130][ T32] r4:00000000 [ 1333.379150][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.379184][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.379221][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.379262][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8517c880 [ 1333.379283][ T32] r4:00000000 [ 1333.379325][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.379397][ T32] r9:83018205 r8:85381800 r7:00000000 r6:83018200 r5:00001000 r4:7f065000 [ 1333.379426][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.379506][ T32] r5:00001000 r4:e0517000 [ 1333.379531][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.379570][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.379610][ T32] r5:8533738c r4:85337000 [ 1333.379629][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.379671][ T32] r7:ddde2d80 r6:83018200 r5:8533738c r4:85229700 [ 1333.379690][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.379733][ T32] r10:61c88647 r9:85381800 r8:8522972c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.379754][ T32] r4:85229700 [ 1333.410098][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.410278][ T32] r10:00000000 r9:85229700 r8:8027f5e8 r7:eb139e60 r6:85223800 r5:85381800 [ 1333.410344][ T32] r4:00000001 [ 1333.410371][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.410426][ T32] Exception stack(0xeb159fb0 to 0xeb159ff8) [ 1333.410461][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.410490][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.410516][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.410578][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.410623][ T32] r4:85228e80 [ 1333.411201][ T32] INFO: task kworker/1:444:4644 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.411250][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.411353][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.411436][ T32] Call trace: [ 1333.411472][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.411524][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.411574][ T32] r4:00000000 [ 1333.411621][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.411686][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.411718][ T32] 9d20: 99071000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.411747][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.411772][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.411795][ T32] r5:80070013 r4:80239bb0 [ 1333.411835][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.411886][ T32] r4:82ac11a4 [ 1333.411924][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.411975][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.412016][ T32] r4:e47b9dc0 [ 1333.412039][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.412084][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.412106][ T32] r4:00000000 [ 1333.412126][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.412190][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.412216][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.412278][ T32] r5:00001000 r4:ece91000 [ 1333.412330][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.412374][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.412415][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.412459][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.412509][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.412539][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.412587][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.412639][ T32] r4:8454d780 [ 1333.412661][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.412715][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.412748][ T32] r4:00000001 [ 1333.412793][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.412837][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.412863][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.412890][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.412916][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.412944][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.412987][ T32] r4:84e5a340 [ 1333.413019][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.413054][ T32] INFO: task kworker/1:445:4645 blocked for more than 459 seconds. [ 1333.413090][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.413115][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.413157][ T32] task:kworker/1:445 state:D stack:0 pid:4645 tgid:4645 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.413234][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.413274][ T32] Call trace: [ 1333.413307][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.413354][ T32] r10:8291880c r9:eb15dd84 r8:00000002 r7:60000113 r6:eb15dd8c r5:85383000 [ 1333.413398][ T32] r4:85383000 [ 1333.413453][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.413497][ T32] r5:85383000 r4:82918808 [ 1333.413517][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.413553][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.413614][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb15de08 [ 1333.413639][ T32] r4:00000000 [ 1333.413659][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.413694][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.413764][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.413813][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851ea9c0 [ 1333.413835][ T32] r4:00000000 [ 1333.413855][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.413930][ T32] r9:83018205 r8:85383000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c1000 [ 1333.413957][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.414006][ T32] r5:00001000 r4:eb24b000 [ 1333.414040][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.414082][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.414122][ T32] r5:8533578c r4:85335400 [ 1333.414171][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.414269][ T32] r7:ddde2d80 r6:83018200 r5:8533578c r4:85229780 [ 1333.414291][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.414341][ T32] r10:61c88647 r9:85383000 r8:852297ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.414365][ T32] r4:85229780 [ 1333.414383][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.414426][ T32] r10:00000000 r9:85229780 r8:8027f5e8 r7:eb159e60 r6:85223880 r5:85383000 [ 1333.414491][ T32] r4:00000001 [ 1333.414522][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.414559][ T32] Exception stack(0xeb15dfb0 to 0xeb15dff8) [ 1333.414585][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.414612][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.414638][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.414665][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.414687][ T32] r4:85228e80 [ 1333.415020][ T32] INFO: task kworker/1:445:4645 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.415075][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.415166][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.415214][ T32] Call trace: [ 1333.415268][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.415323][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.415347][ T32] r4:00000000 [ 1333.415394][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.415434][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.415471][ T32] 9d20: 99071000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.415502][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.415527][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.415559][ T32] r5:80070013 r4:80239bb0 [ 1333.415595][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.415641][ T32] r4:82ac11a4 [ 1333.415660][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.415720][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.415745][ T32] r4:e47b9dc0 [ 1333.415764][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.415806][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.415827][ T32] r4:00000000 [ 1333.415846][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.415909][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.415937][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.415984][ T32] r5:00001000 r4:ece91000 [ 1333.416014][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.416055][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.416117][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.416178][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.416227][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.416277][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.416334][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.416356][ T32] r4:8454d780 [ 1333.416375][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.416417][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.416459][ T32] r4:00000001 [ 1333.416483][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.416518][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.416544][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.416571][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.416610][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.416643][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.416666][ T32] r4:84e5a340 [ 1333.416707][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.416735][ T32] INFO: task kworker/0:315:4647 blocked for more than 459 seconds. [ 1333.416762][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.416785][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.416818][ T32] task:kworker/0:315 state:D stack:0 pid:4647 tgid:4647 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.416892][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.416935][ T32] Call trace: [ 1333.416974][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.417023][ T32] r10:8291880c r9:eb161d84 r8:00000002 r7:60000113 r6:eb161d8c r5:85385400 [ 1333.417046][ T32] r4:85385400 [ 1333.417065][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.417103][ T32] r5:85385400 r4:82918808 [ 1333.417143][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.417208][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.417279][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb161e08 [ 1333.417308][ T32] r4:00000000 [ 1333.417329][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.417364][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.417400][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.417441][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522b2c0 [ 1333.417476][ T32] r4:00000000 [ 1333.417508][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.417575][ T32] r9:83018005 r8:85385400 r7:00000000 r6:83018000 r5:00001000 r4:7f059000 [ 1333.417599][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.417662][ T32] r5:00001000 r4:ead61000 [ 1333.417690][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.417729][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.417768][ T32] r5:853a3b8c r4:853a3800 [ 1333.417810][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.417868][ T32] r7:dddced80 r6:83018000 r5:853a3b8c r4:85223900 [ 1333.417891][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.417935][ T32] r10:61c88647 r9:85385400 r8:8522392c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.417957][ T32] r4:85223900 [ 1333.417996][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.418059][ T32] r10:00000000 r9:85223900 r8:8027f5e8 r7:eb145e60 r6:85223980 r5:85385400 [ 1333.418105][ T32] r4:00000001 [ 1333.418127][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.418164][ T32] Exception stack(0xeb161fb0 to 0xeb161ff8) [ 1333.418247][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1333.418329][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.418393][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.418425][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.418468][ T32] r4:8522b140 [ 1333.418747][ T32] INFO: task kworker/0:315:4647 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.418778][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.418830][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.418893][ T32] Call trace: [ 1333.418926][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.418974][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.419019][ T32] r4:00000000 [ 1333.419089][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.419136][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.419184][ T32] 9d20: 99071000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.419216][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.419243][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.419275][ T32] r5:80070013 r4:80239bb0 [ 1333.419319][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.419383][ T32] r4:82ac11a4 [ 1333.419425][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.419475][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.419531][ T32] r4:e47b9dc0 [ 1333.419559][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.419603][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.419626][ T32] r4:00000000 [ 1333.419665][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.419790][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.442117][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.442257][ T32] r5:00001000 r4:ece91000 [ 1333.442282][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.442333][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.442377][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.442411][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.442463][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.442484][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.442529][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.442551][ T32] r4:8454d780 [ 1333.442570][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.442613][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.442655][ T32] r4:00000001 [ 1333.442678][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.442736][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.442788][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.442840][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.442891][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.442922][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.442972][ T32] r4:84e5a340 [ 1333.442999][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.443074][ T32] INFO: task kworker/0:316:4648 blocked for more than 459 seconds. [ 1333.443113][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.443137][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.443201][ T32] task:kworker/0:316 state:D stack:0 pid:4648 tgid:4648 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.443261][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.443330][ T32] Call trace: [ 1333.443366][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.443419][ T32] r10:8291880c r9:eb165d84 r8:00000002 r7:60000113 r6:eb165d8c r5:84c8c800 [ 1333.443445][ T32] r4:84c8c800 [ 1333.443474][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.443517][ T32] r5:84c8c800 r4:82918808 [ 1333.443560][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.443599][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.443663][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb165e08 [ 1333.443697][ T32] r4:00000000 [ 1333.443719][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.443755][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.443810][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.443866][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522b640 [ 1333.443915][ T32] r4:00000000 [ 1333.443962][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.444015][ T32] r9:83018005 r8:84c8c800 r7:00000000 r6:83018000 r5:00001000 r4:7f05b000 [ 1333.444037][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.444077][ T32] r5:00001000 r4:eae07000 [ 1333.444097][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.444184][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.444243][ T32] r5:853a3f8c r4:853a3c00 [ 1333.444286][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.444341][ T32] r7:dddced80 r6:83018000 r5:853a3f8c r4:85223a00 [ 1333.444383][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.444431][ T32] r10:61c88647 r9:84c8c800 r8:85223a2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.444473][ T32] r4:85223a00 [ 1333.444495][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.444539][ T32] r10:00000000 r9:85223a00 r8:8027f5e8 r7:eb145e60 r6:85223a80 r5:84c8c800 [ 1333.444573][ T32] r4:00000001 [ 1333.444596][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.444632][ T32] Exception stack(0xeb165fb0 to 0xeb165ff8) [ 1333.444658][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.444685][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.444710][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.444738][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.444782][ T32] r4:8522b140 [ 1333.445251][ T32] INFO: task kworker/0:316:4648 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.445284][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.445401][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.445448][ T32] Call trace: [ 1333.445491][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.445559][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.445621][ T32] r4:00000000 [ 1333.445646][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.445697][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.445743][ T32] 9d20: 996a1000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.445780][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.445861][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.445893][ T32] r5:80070013 r4:80239bb0 [ 1333.445915][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.445960][ T32] r4:82ac11a4 [ 1333.445980][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.446054][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.446088][ T32] r4:e47b9dc0 [ 1333.446129][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.446212][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.446275][ T32] r4:00000000 [ 1333.446317][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.446376][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.446401][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.446456][ T32] r5:00001000 r4:ece91000 [ 1333.446480][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.446519][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.446560][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.446579][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.446623][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.446668][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.446716][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.446759][ T32] r4:8454d780 [ 1333.446807][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.446858][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.446888][ T32] r4:00000001 [ 1333.446907][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.446942][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.446967][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.447015][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.447046][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.447074][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.447097][ T32] r4:84e5a340 [ 1333.447144][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.447178][ T32] INFO: task kworker/0:317:4651 blocked for more than 459 seconds. [ 1333.447206][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.447237][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.447292][ T32] task:kworker/0:317 state:D stack:0 pid:4651 tgid:4651 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.447371][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.447413][ T32] Call trace: [ 1333.447443][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.447492][ T32] r10:8291880c r9:eb155d84 r8:00000002 r7:60000013 r6:eb155d8c r5:84c8ec00 [ 1333.447524][ T32] r4:84c8ec00 [ 1333.447547][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.447600][ T32] r5:84c8ec00 r4:82918808 [ 1333.447623][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.447682][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.447728][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb155e08 [ 1333.447750][ T32] r4:00000000 [ 1333.447768][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.447802][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.447850][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.447909][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522b840 [ 1333.447934][ T32] r4:00000000 [ 1333.447954][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.448031][ T32] r9:83018005 r8:84c8ec00 r7:00000000 r6:83018000 r5:00001000 r4:7f05f000 [ 1333.448055][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.448096][ T32] r5:00001000 r4:eae7b000 [ 1333.448115][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.448210][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.448283][ T32] r5:853ac78c r4:853ac400 [ 1333.448316][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.448360][ T32] r7:dddced80 r6:83018000 r5:853ac78c r4:85223b00 [ 1333.448382][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.448427][ T32] r10:61c88647 r9:84c8ec00 r8:85223b2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.448448][ T32] r4:85223b00 [ 1333.448466][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.448508][ T32] r10:00000000 r9:85223b00 r8:8027f5e8 r7:eb145e60 r6:85223b80 r5:84c8ec00 [ 1333.448530][ T32] r4:00000001 [ 1333.448550][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.448584][ T32] Exception stack(0xeb155fb0 to 0xeb155ff8) [ 1333.448624][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.448656][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.448682][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.448710][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.448752][ T32] r4:8522b580 [ 1333.449074][ T32] INFO: task kworker/0:317:4651 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.449114][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.449172][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.449217][ T32] Call trace: [ 1333.449264][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 3 printk messages dropped ** [ 1333.449477][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 10 printk messages dropped ** [ 1333.463285][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 10 printk messages dropped ** [ 1333.463729][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.463778][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.463800][ T32] r4:8454d780 [ 1333.463819][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.463883][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.463908][ T32] r4:00000001 [ 1333.463928][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.463965][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.463995][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.464023][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.464049][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.464076][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.464098][ T32] r4:84e5a340 [ 1333.464140][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.464181][ T32] INFO: task kworker/0:318:4653 blocked for more than 459 seconds. [ 1333.464218][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.464243][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.464264][ T32] task:kworker/0:318 state:D stack:0 pid:4653 tgid:4653 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.464322][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.464365][ T32] Call trace: [ 1333.464414][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.464470][ T32] r10:8291880c r9:eb169d84 r8:00000002 r7:60000013 r6:eb169d8c r5:85388000 [ 1333.464531][ T32] r4:85388000 [ 1333.464555][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 13 printk messages dropped ** [ 1333.465119][ T32] r5:00001000 r4:eb015000 ** 3 printk messages dropped ** [ 1333.465291][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 4 printk messages dropped ** [ 1333.465483][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.465538][ T32] r10:00000000 r9:85223c00 r8:8027f5e8 r7:eb155e60 r6:85223c80 r5:85388000 [ 1333.465565][ T32] r4:00000001 [ 1333.465594][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.465634][ T32] Exception stack(0xeb169fb0 to 0xeb169ff8) ** 2 printk messages dropped ** [ 1333.465715][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1333.466645][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 8 printk messages dropped ** [ 1333.466995][ T32] r4:e47b9dc0 ** 9 printk messages dropped ** [ 1333.467437][ T32] r5:85a7af8c r4:85a7ac00 ** 7 printk messages dropped ** [ 1333.467755][ T32] r4:00000001 ** 20 printk messages dropped ** [ 1333.468441][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1333.468860][ T32] r5:00001000 r4:eaeb5000 [ 1333.468879][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1333.469064][ T32] r7:dddced80 r6:83018000 r5:853acb8c r4:85223d00 ** 4 printk messages dropped ** [ 1333.469220][ T32] r10:00000000 r9:85223d00 r8:8027f5e8 r7:eb169e60 r6:85223d80 r5:85388c00 ** 9 printk messages dropped ** [ 1333.485497][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1333.486151][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1333.486417][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1333.486716][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1333.486994][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 9 printk messages dropped ** [ 1333.487318][ T32] INFO: task kworker/0:320:4657 blocked for more than 459 seconds. ** 7 printk messages dropped ** [ 1333.487690][ T32] r4:85389800 ** 5 printk messages dropped ** [ 1333.487950][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1333.488029][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.488068][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.488109][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522bf80 [ 1333.488132][ T32] r4:00000000 [ 1333.488151][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.488193][ T32] r9:83018005 r8:85389800 r7:00000000 r6:83018000 r5:00001000 r4:7f0a5000 [ 1333.488214][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.488252][ T32] r5:00001000 r4:eb17f000 [ 1333.488271][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.488324][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.488389][ T32] r5:853ad78c r4:853ad400 [ 1333.488415][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.488459][ T32] r7:dddced80 r6:83018000 r5:853ad78c r4:85223e00 [ 1333.488499][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.488552][ T32] r10:61c88647 r9:85389800 r8:85223e2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.488574][ T32] r4:85223e00 [ 1333.488593][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.488637][ T32] r10:00000000 r9:85223e00 r8:8027f5e8 r7:eb169e60 r6:85223e80 r5:85389800 [ 1333.488660][ T32] r4:00000001 [ 1333.488679][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.488714][ T32] Exception stack(0xeb16dfb0 to 0xeb16dff8) [ 1333.488739][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.488785][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.488857][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.488949][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.488979][ T32] r4:8522ba40 [ 1333.489443][ T32] INFO: task kworker/0:320:4657 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.489489][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.489580][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.489627][ T32] Call trace: [ 1333.489657][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.506714][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.506846][ T32] r4:00000000 [ 1333.506878][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.506980][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.507018][ T32] 9d20: 99f08000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.507047][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.507072][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.507122][ T32] r5:80070013 r4:80239bb0 [ 1333.507146][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.507194][ T32] r4:82ac11a4 [ 1333.507214][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.507260][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.507282][ T32] r4:e47b9dc0 [ 1333.507308][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.507354][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.507397][ T32] r4:00000000 [ 1333.507421][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.507467][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.507490][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.507533][ T32] r5:00001000 r4:ece91000 [ 1333.507553][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.507590][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.507651][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.507675][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.507722][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.507743][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.507807][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.507835][ T32] r4:8454d780 [ 1333.507854][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.507913][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.507959][ T32] r4:00000001 [ 1333.508006][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.508043][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.508087][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1333.508244][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1333.508493][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1333.508871][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1333.509387][ T32] r5:00001000 r4:eb151000 [ 1333.509410][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1333.509521][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 11 printk messages dropped ** [ 1333.520526][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1333.521466][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.521513][ T32] r4:00000000 [ 1333.521536][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.521607][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.521638][ T32] 9d20: 9a14f000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.521696][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.521730][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.521755][ T32] r5:80070013 r4:80239bb0 [ 1333.521816][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.521867][ T32] r4:82ac11a4 [ 1333.521887][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.521970][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.521996][ T32] r4:e47b9dc0 [ 1333.522016][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.522060][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.522114][ T32] r4:00000000 [ 1333.522157][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.522278][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.522323][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.522367][ T32] r5:00001000 r4:ece91000 [ 1333.522408][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.522469][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.522516][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.522537][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.522581][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.522614][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.522695][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.522719][ T32] r4:8454d780 [ 1333.522738][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.522781][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.522815][ T32] r4:00000001 [ 1333.522837][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.522874][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.522944][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.522978][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.523038][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.523071][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.523093][ T32] r4:84e5a340 [ 1333.523115][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.523158][ T32] INFO: task kworker/0:322:4661 blocked for more than 460 seconds. [ 1333.523199][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.523224][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.523246][ T32] task:kworker/0:322 state:D stack:0 pid:4661 tgid:4661 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.523311][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.523352][ T32] Call trace: [ 1333.523382][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.523430][ T32] r10:8291880c r9:eb189d84 r8:00000002 r7:60000113 r6:eb189d8c r5:8538c800 [ 1333.523456][ T32] r4:8538c800 [ 1333.523475][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.523534][ T32] r5:8538c800 r4:82918808 [ 1333.523558][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1333.523982][ T32] r9:83018005 r8:8538c800 r7:00000000 r6:83018000 r5:00001000 r4:7f0a7000 ** 1 printk messages dropped ** [ 1333.524043][ T32] r5:00001000 r4:eb18b000 [ 1333.524061][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1333.524287][ T32] r10:61c88647 r9:8538c800 r8:8521402c r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1333.524584][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1333.525295][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1333.525587][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1333.525888][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 9 printk messages dropped ** [ 1333.526288][ T32] r4:8454d780 ** 6 printk messages dropped ** [ 1333.526597][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1333.526985][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1333.527341][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1333.528031][ T32] r5:00001000 r4:eb1af000 [ 1333.528066][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1333.528253][ T32] r7:dddced80 r6:83018000 r5:853ae78c r4:85214100 ** 9 printk messages dropped ** [ 1333.528608][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1333.529246][ T32] Call trace: ** 2 printk messages dropped ** [ 1333.529462][ T32] r4:00000000 [ 1333.529504][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.529572][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.529608][ T32] 9d20: 9a14f000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.529637][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.529661][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.529686][ T32] r5:80070013 r4:80239bb0 [ 1333.550313][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.550502][ T32] r4:82ac11a4 [ 1333.550540][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.550615][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.550644][ T32] r4:e47b9dc0 [ 1333.550666][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.550713][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.550736][ T32] r4:00000000 [ 1333.550758][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.550807][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.550832][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.550878][ T32] r5:00001000 r4:ece91000 [ 1333.550908][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.550975][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.551049][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.551103][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.551179][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.551228][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.551322][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.551356][ T32] r4:8454d780 [ 1333.551377][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.551423][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.551445][ T32] r4:00000001 [ 1333.551482][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.551526][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.551559][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.551590][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.551637][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.551683][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.551717][ T32] r4:84e5a340 [ 1333.551762][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.551805][ T32] INFO: task kworker/0:324:4665 blocked for more than 460 seconds. [ 1333.551841][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.551865][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.551908][ T32] task:kworker/0:324 state:D stack:0 pid:4665 tgid:4665 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.551978][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1333.552164][ T32] r4:8538d400 ** 7 printk messages dropped ** [ 1333.552497][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1333.552752][ T32] r5:00001000 r4:eb197000 ** 4 printk messages dropped ** [ 1333.552938][ T32] r7:dddced80 r6:83018000 r5:853adf8c r4:85214200 ** 7 printk messages dropped ** [ 1333.553198][ T32] Exception stack(0xeb195fb0 to 0xeb195ff8) ** 4 printk messages dropped ** [ 1333.553337][ T32] r4:8522c240 ** 3 printk messages dropped ** [ 1333.553975][ T32] Call trace: ** 4 printk messages dropped ** [ 1333.554171][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 5 printk messages dropped ** [ 1333.554425][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1333.554677][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1333.554777][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.554798][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.554849][ T32] r5:00001000 r4:ece91000 [ 1333.554873][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.554912][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.554965][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.555009][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.555062][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.555104][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.555173][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.555198][ T32] r4:8454d780 [ 1333.555218][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.555261][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.555306][ T32] r4:00000001 [ 1333.555335][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.555373][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.555398][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.555425][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.555451][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.555502][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.555527][ T32] r4:84e5a340 [ 1333.555547][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.555591][ T32] INFO: task kworker/0:325:4668 blocked for more than 460 seconds. [ 1333.555622][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.555644][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.555665][ T32] task:kworker/0:325 state:D stack:0 pid:4668 tgid:4668 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.555706][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.555785][ T32] Call trace: [ 1333.555814][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.555861][ T32] r10:8291880c r9:eb1a1d84 r8:00000002 r7:60000113 r6:eb1a1d8c r5:8538e000 [ 1333.555882][ T32] r4:8538e000 [ 1333.555921][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.555964][ T32] r5:8538e000 r4:82918808 [ 1333.555998][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 1 printk messages dropped ** [ 1333.556083][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1a1e08 ** 9 printk messages dropped ** [ 1333.556412][ T32] r5:00001000 r4:eb1a3000 ** 4 printk messages dropped ** [ 1333.556650][ T32] r7:dddced80 r6:83018000 r5:853ae38c r4:85214300 ** 11 printk messages dropped ** [ 1333.557125][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 13 printk messages dropped ** [ 1333.558030][ T32] r5:80070013 r4:80239bb0 ** 12 printk messages dropped ** [ 1333.558602][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 13 printk messages dropped ** [ 1333.559208][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1333.559550][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1333.590420][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1333.590864][ T32] r5:00001000 r4:eb1cb000 [ 1333.590892][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.590934][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1333.591166][ T32] r4:85214400 ** 1 printk messages dropped ** [ 1333.591272][ T32] r10:00000000 r9:85214400 r8:8027f5e8 r7:eb175e60 r6:85214480 r5:8538ec00 [ 1333.591295][ T32] r4:00000001 [ 1333.591323][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.591360][ T32] Exception stack(0xeb1adfb0 to 0xeb1adff8) [ 1333.591434][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.591466][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.591492][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.591529][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.591554][ T32] r4:8522c4c0 [ 1333.592056][ T32] INFO: task kworker/0:326:4669 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.592115][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.592259][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.592319][ T32] Call trace: [ 1333.592405][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.592506][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.592558][ T32] r4:00000000 [ 1333.592581][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.592650][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.592682][ T32] 9d20: 9add7000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.592710][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.592770][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.592842][ T32] r5:80070013 r4:80239bb0 [ 1333.592875][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.592924][ T32] r4:82ac11a4 [ 1333.592965][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.593016][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.593041][ T32] r4:e47b9dc0 [ 1333.593070][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.593150][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.593174][ T32] r4:00000000 [ 1333.593193][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.593260][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.593286][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.593334][ T32] r5:00001000 r4:ece91000 [ 1333.593354][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.593391][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.593453][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.593508][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.593597][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.593644][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.593697][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.593719][ T32] r4:8454d780 [ 1333.593737][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.593779][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.593800][ T32] r4:00000001 [ 1333.593818][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.593863][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.593913][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.593980][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.594065][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.594124][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.594149][ T32] r4:84e5a340 [ 1333.594170][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.594237][ T32] INFO: task kworker/0:327:4671 blocked for more than 460 seconds. [ 1333.594283][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.594325][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.594351][ T32] task:kworker/0:327 state:D stack:0 pid:4671 tgid:4671 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.594396][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.594436][ T32] Call trace: [ 1333.594465][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.594511][ T32] r10:8291880c r9:eb1c9d84 r8:00000002 r7:60000113 r6:eb1c9d8c r5:8530ec00 [ 1333.594533][ T32] r4:8530ec00 [ 1333.594571][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.594681][ T32] r5:8530ec00 r4:82918808 [ 1333.594713][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.594753][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.594815][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1c9e08 [ 1333.594846][ T32] r4:00000000 [ 1333.594890][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.594929][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.594976][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.595056][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522c800 [ 1333.595091][ T32] r4:00000000 [ 1333.595126][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.595191][ T32] r9:83018005 r8:8530ec00 r7:00000000 r6:83018000 r5:00001000 r4:7f0af000 [ 1333.595231][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.595275][ T32] r5:00001000 r4:eb1bb000 [ 1333.595312][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.595356][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.595396][ T32] r5:853aeb8c r4:853ae800 [ 1333.595434][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.595482][ T32] r7:dddced80 r6:83018000 r5:853aeb8c r4:85214500 ** 3 printk messages dropped ** [ 1333.595588][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 10 printk messages dropped ** [ 1333.596248][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 23 printk messages dropped ** [ 1333.597275][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 13 printk messages dropped ** [ 1333.597800][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 15 printk messages dropped ** [ 1333.598494][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1333.599030][ T32] r5:00001000 r4:eb1d7000 [ 1333.599054][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.599092][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.599135][ T32] r5:853af38c r4:853af000 [ 1333.599203][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.599251][ T32] r7:dddced80 r6:83018000 r5:853af38c r4:85214580 [ 1333.599272][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.599322][ T32] r10:61c88647 r9:85306c00 r8:852145ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.599344][ T32] r4:85214580 [ 1333.599362][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.599467][ T32] r10:00000000 r9:85214580 r8:8027f5e8 r7:eb1ade60 r6:85229880 r5:85306c00 [ 1333.599495][ T32] r4:00000001 [ 1333.599515][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.599573][ T32] Exception stack(0xeb1e5fb0 to 0xeb1e5ff8) [ 1333.599605][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.599652][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.599758][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.622004][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.622077][ T32] r4:8522c7c0 [ 1333.622595][ T32] INFO: task kworker/0:328:4674 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.622636][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.622731][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.622830][ T32] Call trace: [ 1333.622877][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.622955][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.622986][ T32] r4:00000000 [ 1333.623008][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.623078][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.623117][ T32] 9d20: 9b274000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.623169][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.623197][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1333.623397][ T32] r4:e47b9dc0 ** 8 printk messages dropped ** [ 1333.623700][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 17 printk messages dropped ** [ 1333.624336][ T32] INFO: task kworker/0:329:4676 blocked for more than 460 seconds. ** 13 printk messages dropped ** [ 1333.624925][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1333.625318][ T32] r5:00001000 r4:eb203000 ** 1 printk messages dropped ** [ 1333.625394][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1333.625688][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1333.626007][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1333.626672][ T32] Call trace: ** 4 printk messages dropped ** [ 1333.626896][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 5 printk messages dropped ** [ 1333.627104][ T32] r4:82ac11a4 ** 1 printk messages dropped ** [ 1333.627174][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 5 printk messages dropped ** [ 1333.627388][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 5 printk messages dropped ** [ 1333.627570][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 4 printk messages dropped ** [ 1333.627789][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 10 printk messages dropped ** [ 1333.628254][ T32] INFO: task kworker/0:330:4677 blocked for more than 460 seconds. ** 13 printk messages dropped ** [ 1333.628846][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1333.629079][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8522cbc0 [ 1333.629101][ T32] r4:00000000 [ 1333.629121][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.629173][ T32] r9:83018005 r8:8538bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f0b7000 [ 1333.629217][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.629262][ T32] r5:00001000 r4:eb1e7000 [ 1333.629283][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.629330][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.629372][ T32] r5:853af78c r4:853af400 [ 1333.629415][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.629519][ T32] r7:dddced80 r6:83018000 r5:853af78c r4:85214700 [ 1333.629554][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.629602][ T32] r10:61c88647 r9:8538bc00 r8:8521472c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.629645][ T32] r4:85214700 [ 1333.629668][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.648927][ T32] r10:00000000 r9:85214700 r8:8027f5e8 r7:eb201e60 r6:85214780 r5:8538bc00 [ 1333.649021][ T32] r4:00000001 [ 1333.649055][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.649123][ T32] Exception stack(0xeb1b9fb0 to 0xeb1b9ff8) [ 1333.649169][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.649207][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.649234][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.649292][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.649323][ T32] r4:8522cc80 [ 1333.650373][ T32] INFO: task kworker/0:330:4677 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.650461][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.650557][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.650637][ T32] Call trace: [ 1333.650675][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.650740][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.650767][ T32] r4:00000000 [ 1333.650798][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.650861][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.650893][ T32] 9d20: 9b6b8000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.650922][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.650946][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.650994][ T32] r5:80070013 r4:80239bb0 [ 1333.651019][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.651070][ T32] r4:82ac11a4 [ 1333.651090][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.651136][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.651177][ T32] r4:e47b9dc0 [ 1333.651200][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.651246][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.651268][ T32] r4:00000000 [ 1333.651288][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.651337][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.651379][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.651427][ T32] r5:00001000 r4:ece91000 [ 1333.651448][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.651486][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.651546][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.651589][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.651660][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.651708][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1333.651863][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1333.652121][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1333.652375][ T32] task:kworker/0:331 state:D stack:0 pid:4679 tgid:4679 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1333.652890][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1e1e08 ** 9 printk messages dropped ** [ 1333.653276][ T32] r5:00001000 r4:eb20f000 ** 6 printk messages dropped ** [ 1333.653558][ T32] r10:61c88647 r9:84ea8000 r8:8521482c r7:82804d40 r6:dddced80 r5:dddceda0 ** 12 printk messages dropped ** [ 1333.654468][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.654562][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.654611][ T32] Call trace: [ 1333.654653][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.654702][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.654741][ T32] r4:00000000 [ 1333.654777][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.654818][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.654845][ T32] 9d20: 9b6b8000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.654882][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.654911][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.654943][ T32] r5:80070013 r4:80239bb0 [ 1333.654966][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.655010][ T32] r4:82ac11a4 [ 1333.655030][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.655093][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.655120][ T32] r4:e47b9dc0 [ 1333.655152][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.655199][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.655221][ T32] r4:00000000 [ 1333.655260][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.655333][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.655359][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.655416][ T32] r5:00001000 r4:ece91000 [ 1333.655452][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.655503][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.655568][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.655591][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.655638][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.655658][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.655726][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.655752][ T32] r4:8454d780 [ 1333.655771][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.655816][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 4 printk messages dropped ** [ 1333.656011][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1333.656281][ T32] task:kworker/0:332 state:D stack:0 pid:4682 tgid:4682 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1333.656811][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1f1e08 ** 9 printk messages dropped ** [ 1333.657273][ T32] r5:00001000 r4:eb21b000 [ 1333.657294][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.657339][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.657379][ T32] r5:853b438c r4:853b4000 ** 1 printk messages dropped ** [ 1333.657492][ T32] r7:dddced80 r6:83018000 r5:853b438c r4:85214900 ** 4 printk messages dropped ** [ 1333.657648][ T32] r10:00000000 r9:85214900 r8:8027f5e8 r7:eb1e1e60 r6:85214980 r5:84ea8c00 ** 9 printk messages dropped ** [ 1333.658370][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1333.658821][ T32] r5:80070013 r4:80239bb0 ** 1 printk messages dropped ** [ 1333.658930][ T32] r4:82ac11a4 [ 1333.658969][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.659019][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.659042][ T32] r4:e47b9dc0 [ 1333.659066][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.659110][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.659141][ T32] r4:00000000 [ 1333.659164][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.659208][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.659231][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.659272][ T32] r5:00001000 r4:ece91000 [ 1333.659292][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.659371][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.659436][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.659482][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.659536][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.659566][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.659614][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.659637][ T32] r4:8454d780 [ 1333.659655][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.659712][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.659790][ T32] r4:00000001 [ 1333.692483][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.692586][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.692621][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.692650][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.692677][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.692707][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.692750][ T32] r4:84e5a340 [ 1333.692778][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.692819][ T32] INFO: task kworker/0:333:4683 blocked for more than 460 seconds. [ 1333.692883][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.692917][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.692952][ T32] task:kworker/0:333 state:D stack:0 pid:4683 tgid:4683 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.693031][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.693102][ T32] Call trace: [ 1333.693142][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.693216][ T32] r10:8291880c r9:eb1c5d84 r8:00000002 r7:60000013 r6:eb1c5d8c r5:84eaa400 [ 1333.693255][ T32] r4:84eaa400 [ 1333.693291][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.693341][ T32] r5:84eaa400 r4:82918808 [ 1333.693371][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.693412][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.693458][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1c5e08 [ 1333.693479][ T32] r4:00000000 [ 1333.693520][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.693579][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.693624][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1333.693876][ T32] r5:00001000 r4:eb227000 [ 1333.693897][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1333.693995][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1333.694272][ T32] r10:00000000 r9:85214a00 r8:8027f5e8 r7:eb1f1e60 r6:85214a80 r5:84eaa400 ** 9 printk messages dropped ** [ 1333.695124][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1333.695731][ T32] r4:82ac11a4 [ 1333.695771][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.695860][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.695890][ T32] r4:e47b9dc0 [ 1333.695909][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.695953][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.695974][ T32] r4:00000000 [ 1333.696022][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.696089][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.696119][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.696182][ T32] r5:00001000 r4:ece91000 [ 1333.696230][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.696278][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.696325][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.696361][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.696410][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.696430][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.696475][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.696509][ T32] r4:8454d780 [ 1333.696531][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.696574][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.696604][ T32] r4:00000001 [ 1333.696645][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.696689][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.696734][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.696782][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.696813][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.696841][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.696886][ T32] r4:84e5a340 [ 1333.696913][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.696961][ T32] INFO: task kworker/0:334:4685 blocked for more than 460 seconds. [ 1333.696992][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.697036][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.697060][ T32] task:kworker/0:334 state:D stack:0 pid:4685 tgid:4685 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.697103][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.697180][ T32] Call trace: [ 1333.697213][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.697275][ T32] r10:8291880c r9:eb225d84 r8:00000002 r7:60000113 r6:eb225d8c r5:84eab000 [ 1333.697307][ T32] r4:84eab000 [ 1333.697335][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.697392][ T32] r5:84eab000 r4:82918808 [ 1333.697422][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.697469][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.697513][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb225e08 [ 1333.697556][ T32] r4:00000000 [ 1333.697578][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.697615][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.697651][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.697712][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851bd880 [ 1333.697738][ T32] r4:00000000 [ 1333.697778][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.697837][ T32] r9:83018005 r8:84eab000 r7:00000000 r6:83018000 r5:00001000 r4:7f0c9000 [ 1333.697862][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.697917][ T32] r5:00001000 r4:eb27b000 [ 1333.697939][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.697977][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.698017][ T32] r5:853b578c r4:853b5400 [ 1333.698045][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.698100][ T32] r7:dddced80 r6:83018000 r5:853b578c r4:85214b00 [ 1333.698123][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.698226][ T32] r10:61c88647 r9:84eab000 r8:85214b2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.698261][ T32] r4:85214b00 [ 1333.698282][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.698332][ T32] r10:00000000 r9:85214b00 r8:8027f5e8 r7:eb1c5e60 r6:85214b80 r5:84eab000 [ 1333.698356][ T32] r4:00000001 [ 1333.698375][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.698409][ T32] Exception stack(0xeb225fb0 to 0xeb225ff8) [ 1333.698435][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.698483][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.698538][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.698569][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.698592][ T32] r4:8522bec0 [ 1333.698905][ T32] INFO: task kworker/0:334:4685 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.698936][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.698990][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.699057][ T32] Call trace: [ 1333.699092][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.699149][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.699188][ T32] r4:00000000 [ 1333.699211][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.699268][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.699309][ T32] 9d20: 9c0b3000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.699359][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.699409][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.699453][ T32] r5:80070013 r4:80239bb0 [ 1333.699477][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.699542][ T32] r4:82ac11a4 [ 1333.699571][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.699618][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.699640][ T32] r4:e47b9dc0 [ 1333.699658][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.699724][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.711656][ T32] r4:00000000 [ 1333.711740][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.711833][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.711893][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.711949][ T32] r5:00001000 r4:ece91000 [ 1333.711971][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1333.712165][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 2 printk messages dropped ** [ 1333.712250][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 1 printk messages dropped ** [ 1333.712354][ T32] r4:00000001 [ 1333.712373][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.712411][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.712462][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.712494][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.712520][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.712569][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.712614][ T32] r4:84e5a340 [ 1333.712663][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.712696][ T32] INFO: task kworker/0:335:4686 blocked for more than 460 seconds. [ 1333.712739][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.712765][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.712808][ T32] task:kworker/0:335 state:D stack:0 pid:4686 tgid:4686 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.712869][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.712912][ T32] Call trace: [ 1333.712975][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.713027][ T32] r10:8291880c r9:eb249d84 r8:00000002 r7:60000013 r6:eb249d8c r5:84eabc00 [ 1333.713071][ T32] r4:84eabc00 [ 1333.713098][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.713138][ T32] r5:84eabc00 r4:82918808 [ 1333.713158][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.713193][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.713234][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb249e08 [ 1333.713255][ T32] r4:00000000 [ 1333.713301][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.713342][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.713382][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.713424][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851bd440 [ 1333.713450][ T32] r4:00000000 [ 1333.713487][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.713534][ T32] r9:83018005 r8:84eabc00 r7:00000000 r6:83018000 r5:00001000 r4:7f0c3000 [ 1333.713583][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.713629][ T32] r5:00001000 r4:eb25b000 [ 1333.713652][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.713724][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.713788][ T32] r5:853b4b8c r4:853b4800 [ 1333.713835][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.713883][ T32] r7:dddced80 r6:83018000 r5:853b4b8c r4:85214c00 [ 1333.713911][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.713986][ T32] r10:61c88647 r9:84eabc00 r8:85214c2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.714025][ T32] r4:85214c00 [ 1333.714047][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.714118][ T32] r10:00000000 r9:85214c00 r8:8027f5e8 r7:eb225e60 r6:85214c80 r5:84eabc00 [ 1333.714143][ T32] r4:00000001 [ 1333.714162][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.714221][ T32] Exception stack(0xeb249fb0 to 0xeb249ff8) [ 1333.714255][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.714291][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.714323][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.714360][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.714387][ T32] r4:851efec0 [ 1333.714902][ T32] INFO: task kworker/0:335:4686 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.714939][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.715037][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.715105][ T32] Call trace: [ 1333.715145][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.715198][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.715221][ T32] r4:00000000 [ 1333.715240][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.715276][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.715310][ T32] 9d20: 9c1b7000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.715350][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.715400][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.715453][ T32] r5:80070013 r4:80239bb0 [ 1333.715503][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.715595][ T32] r4:82ac11a4 [ 1333.715619][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.715667][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.715690][ T32] r4:e47b9dc0 [ 1333.715709][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.715776][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.715802][ T32] r4:00000000 [ 1333.715836][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.715906][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.715936][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.715979][ T32] r5:00001000 r4:ece91000 [ 1333.715999][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.716178][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.716226][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.716247][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.716292][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.716336][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.716386][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.716408][ T32] r4:8454d780 [ 1333.716427][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.716470][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.716491][ T32] r4:00000001 [ 1333.716538][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.716577][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.716603][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.716632][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.716680][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.716711][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.716733][ T32] r4:84e5a340 [ 1333.716762][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.716791][ T32] INFO: task kworker/1:446:4687 blocked for more than 460 seconds. [ 1333.716821][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.716844][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.716864][ T32] task:kworker/1:446 state:D stack:0 pid:4687 tgid:4687 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.716908][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.716981][ T32] Call trace: [ 1333.717041][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.717089][ T32] r10:8291880c r9:eb259d84 r8:00000002 r7:60000013 r6:eb259d8c r5:84ead400 [ 1333.717112][ T32] r4:84ead400 [ 1333.717153][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.717217][ T32] r5:84ead400 r4:82918808 [ 1333.717262][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.717313][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.717379][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb259e08 [ 1333.717404][ T32] r4:00000000 [ 1333.717455][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.717516][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.717555][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.717598][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851ea2c0 [ 1333.717619][ T32] r4:00000000 [ 1333.717647][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.717693][ T32] r9:83018205 r8:84ead400 r7:00000000 r6:83018200 r5:00001000 r4:7f029000 [ 1333.717725][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.717767][ T32] r5:00001000 r4:df9e9000 [ 1333.717787][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.717826][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.717865][ T32] r5:85335b8c r4:85335800 [ 1333.717884][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.717946][ T32] r7:ddde2d80 r6:83018200 r5:85335b8c r4:85229900 [ 1333.717970][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.718027][ T32] r10:61c88647 r9:84ead400 r8:8522992c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.718080][ T32] r4:85229900 [ 1333.718122][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.718209][ T32] r10:00000000 r9:85229900 r8:8027f5e8 r7:eb159e60 r6:85214d00 r5:84ead400 ** 4 printk messages dropped ** [ 1333.718392][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1333.719152][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1333.719533][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1333.719797][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1333.740332][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1333.740615][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 15 printk messages dropped ** [ 1333.741273][ T32] task:kworker/0:336 state:D stack:0 pid:4691 tgid:4691 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1333.742471][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1333.743045][ T32] r5:00001000 r4:eb263000 [ 1333.743094][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.743199][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.743304][ T32] r5:853b4f8c r4:853b4c00 [ 1333.743366][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.743469][ T32] r7:dddced80 r6:83018000 r5:853b4f8c r4:85214d80 [ 1333.743519][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.743621][ T32] r10:61c88647 r9:84eae000 r8:85214dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.743669][ T32] r4:85214d80 [ 1333.743733][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.743860][ T32] r10:00000000 r9:85214d80 r8:8027f5e8 r7:eb225e60 r6:85214e00 r5:84eae000 [ 1333.743917][ T32] r4:00000001 [ 1333.743959][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.744041][ T32] Exception stack(0xeb26dfb0 to 0xeb26dff8) [ 1333.744109][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.744178][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.744253][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.744329][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.744384][ T32] r4:851bd340 [ 1333.745278][ T32] INFO: task kworker/0:336:4691 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.745421][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.745621][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.745770][ T32] Call trace: [ 1333.745854][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.745962][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.746013][ T32] r4:00000000 [ 1333.746099][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.746220][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.746291][ T32] 9d20: 9c4c7000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.746365][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.746422][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.746466][ T32] r5:80070013 r4:80239bb0 [ 1333.746489][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.746534][ T32] r4:82ac11a4 [ 1333.746571][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.746622][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.746643][ T32] r4:e47b9dc0 [ 1333.746662][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.746715][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.746749][ T32] r4:00000000 [ 1333.746783][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.746829][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.746851][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.746904][ T32] r5:00001000 r4:ece91000 [ 1333.746928][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.746996][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.747066][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.747088][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.747135][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.747155][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.747199][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.747220][ T32] r4:8454d780 [ 1333.747252][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.747303][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.747354][ T32] r4:00000001 [ 1333.747377][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.747413][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.747438][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.747475][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.747511][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.747538][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.747571][ T32] r4:84e5a340 [ 1333.747618][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.747647][ T32] INFO: task kworker/0:337:4692 blocked for more than 460 seconds. [ 1333.747696][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.747742][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1333.747811][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1333.748005][ T32] r10:8291880c r9:eb20dd84 r8:00000002 r7:60000013 r6:eb20dd8c r5:85310c00 ** 3 printk messages dropped ** [ 1333.748155][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1333.748328][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 5 printk messages dropped ** [ 1333.748569][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.748630][ T32] r5:00001000 r4:eb26f000 [ 1333.748653][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.748693][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.748750][ T32] r5:853b538c r4:853b5000 [ 1333.748773][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.748817][ T32] r7:dddced80 r6:83018000 r5:853b538c r4:85214e80 ** 1 printk messages dropped ** [ 1333.748880][ T32] r10:61c88647 r9:85310c00 r8:85214eac r7:82804d40 r6:dddced80 r5:dddceda0 ** 5 printk messages dropped ** [ 1333.749124][ T32] Exception stack(0xeb20dfb0 to 0xeb20dff8) [ 1333.749163][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1333.749197][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.749226][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.749253][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.749287][ T32] r4:851bd5c0 [ 1333.749631][ T32] INFO: task kworker/0:337:4692 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.749667][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.749797][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.786000][ T32] Call trace: [ 1333.786092][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.786167][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.786239][ T32] r4:00000000 [ 1333.786295][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.786371][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.786407][ T32] 9d20: 9cd73000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.786436][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.786469][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.786496][ T32] r5:80070013 r4:80239bb0 [ 1333.786537][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.786587][ T32] r4:82ac11a4 [ 1333.786628][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.786678][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.786700][ T32] r4:e47b9dc0 [ 1333.786719][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.786807][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.786839][ T32] r4:00000000 [ 1333.786888][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.786941][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.786994][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.787043][ T32] r5:00001000 r4:ece91000 [ 1333.787062][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.787100][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.787141][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.787160][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.787205][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.787247][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.787304][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.787353][ T32] r4:8454d780 [ 1333.787382][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.787448][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.787474][ T32] r4:00000001 [ 1333.787502][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.787569][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.787619][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.787653][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.787709][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.787740][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.787772][ T32] r4:84e5a340 [ 1333.787799][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.787840][ T32] INFO: task kworker/0:338:4695 blocked for more than 460 seconds. [ 1333.787889][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.787941][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.788024][ T32] task:kworker/0:338 state:D stack:0 pid:4695 tgid:4695 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.788166][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.788267][ T32] Call trace: [ 1333.788347][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.788480][ T32] r10:8291880c r9:eb289d84 r8:00000002 r7:60000113 r6:eb289d8c r5:85313000 [ 1333.788552][ T32] r4:85313000 [ 1333.788605][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.788698][ T32] r5:85313000 r4:82918808 [ 1333.788758][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.788860][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.788979][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb289e08 [ 1333.789061][ T32] r4:00000000 [ 1333.789115][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.789195][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.789290][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.789405][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851bd9c0 [ 1333.789457][ T32] r4:00000000 [ 1333.789526][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.789697][ T32] r9:83018005 r8:85313000 r7:00000000 r6:83018000 r5:00001000 r4:7f0cb000 [ 1333.793683][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.793877][ T32] r5:00001000 r4:eb28b000 [ 1333.793938][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.794063][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.794170][ T32] r5:853b5b8c r4:853b5800 [ 1333.794277][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.794412][ T32] r7:dddced80 r6:83018000 r5:853b5b8c r4:85214f00 [ 1333.794464][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.794563][ T32] r10:61c88647 r9:85313000 r8:85214f2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.794688][ T32] r4:85214f00 [ 1333.794777][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.794905][ T32] r10:00000000 r9:85214f00 r8:8027f5e8 r7:eb225e60 r6:85229a00 r5:85313000 [ 1333.794978][ T32] r4:00000001 [ 1333.795027][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.795117][ T32] Exception stack(0xeb289fb0 to 0xeb289ff8) [ 1333.795208][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.795275][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.795344][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.795411][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.795489][ T32] r4:851bd680 [ 1333.796359][ T32] INFO: task kworker/0:338:4695 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.796413][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.796506][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.796603][ T32] Call trace: [ 1333.796682][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.796762][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.796795][ T32] r4:00000000 [ 1333.796814][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.796855][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.796883][ T32] 9d20: 9cd73000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.796911][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.796936][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.796980][ T32] r5:80070013 r4:80239bb0 [ 1333.797008][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.797079][ T32] r4:82ac11a4 [ 1333.797124][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.797175][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.797197][ T32] r4:e47b9dc0 [ 1333.797231][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.797278][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.797305][ T32] r4:00000000 [ 1333.797344][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.797392][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.797413][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.797468][ T32] r5:00001000 r4:ece91000 [ 1333.797490][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.797553][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.797599][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.797618][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.797664][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.797684][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 1 printk messages dropped ** [ 1333.797749][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1333.797882][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1333.798140][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1333.798283][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1333.798598][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1333.798918][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1333.799044][ T32] r5:00001000 r4:ea901000 ** 1 printk messages dropped ** [ 1333.799117][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1333.799362][ T32] r10:61c88647 r9:85312400 r8:851cb02c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1333.799661][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.799811][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.816945][ T32] r4:851bd840 [ 1333.817896][ T32] INFO: task kworker/0:339:4697 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.818002][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.818271][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.818440][ T32] Call trace: [ 1333.818548][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.818672][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.818728][ T32] r4:00000000 [ 1333.818776][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.818867][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.818936][ T32] 9d20: 9cf5a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.819002][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.819068][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.819128][ T32] r5:80070013 r4:80239bb0 [ 1333.819176][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.819309][ T32] r4:82ac11a4 [ 1333.819366][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.819473][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.819525][ T32] r4:e47b9dc0 [ 1333.819574][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.819678][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.819785][ T32] r4:00000000 [ 1333.833682][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.833874][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.833952][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.834088][ T32] r5:00001000 r4:ece91000 [ 1333.834146][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.834266][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.834352][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.834374][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.834422][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 1 printk messages dropped ** [ 1333.834486][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1333.835019][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1333.835669][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1333.836089][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.836142][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.836192][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2a5e08 [ 1333.836236][ T32] r4:00000000 [ 1333.836259][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.836295][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.836342][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.836405][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851bda40 [ 1333.836432][ T32] r4:00000000 [ 1333.836461][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.836552][ T32] r9:83018005 r8:85313c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0cd000 [ 1333.836671][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.836774][ T32] r5:00001000 r4:eb297000 [ 1333.836822][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.836918][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.837011][ T32] r5:853b5f8c r4:853b5c00 [ 1333.837060][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.837162][ T32] r7:dddced80 r6:83018000 r5:853b5f8c r4:851cb080 [ 1333.837244][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.837367][ T32] r10:61c88647 r9:85313c00 r8:851cb0ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.837430][ T32] r4:851cb080 [ 1333.837476][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.837587][ T32] r10:00000000 r9:851cb080 r8:8027f5e8 r7:eb2a1e60 r6:85229b00 r5:85313c00 [ 1333.837642][ T32] r4:00000001 [ 1333.837712][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.837802][ T32] Exception stack(0xeb2a5fb0 to 0xeb2a5ff8) [ 1333.837902][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.837975][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.838058][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.838155][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.838242][ T32] r4:851bd840 [ 1333.838912][ T32] INFO: task kworker/0:340:4698 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.838963][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.839021][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.839143][ T32] Call trace: [ 1333.839180][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.839229][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.839253][ T32] r4:00000000 [ 1333.839272][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.839325][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.839363][ T32] 9d20: 9d2df000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 4 printk messages dropped ** [ 1333.839544][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1333.863471][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 7 printk messages dropped ** [ 1333.864252][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 4 printk messages dropped ** [ 1333.864689][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 7 printk messages dropped ** [ 1333.865291][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1333.866045][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1333.866718][ T32] r5:85311800 r4:82918808 ** 5 printk messages dropped ** [ 1333.867229][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1333.867811][ T32] r5:00001000 r4:eb2ab000 ** 1 printk messages dropped ** [ 1333.867950][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1333.868835][ T32] Exception stack(0xeb2b5fb0 to 0xeb2b5ff8) ** 7 printk messages dropped ** [ 1333.880899][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1333.881237][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.881293][ T32] r4:00000000 [ 1333.881344][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.881457][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.881545][ T32] 9d20: 9d671000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.881621][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.881681][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.881737][ T32] r5:80070013 r4:80239bb0 [ 1333.881787][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.881887][ T32] r4:82ac11a4 [ 1333.881934][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.882034][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.882094][ T32] r4:e47b9dc0 [ 1333.882165][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.882295][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.882350][ T32] r4:00000000 [ 1333.882398][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.882496][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.882548][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.882639][ T32] r5:00001000 r4:ece91000 [ 1333.882689][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.882775][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.882866][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.882938][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.883053][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.883106][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.883244][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.883305][ T32] r4:8454d780 [ 1333.883361][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.883468][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1333.883523][ T32] r4:00000001 [ 1333.883584][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.883666][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1333.883740][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1333.883807][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.883863][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.883927][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.884002][ T32] r4:84e5a340 [ 1333.884070][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1333.884161][ T32] INFO: task kworker/0:342:4702 blocked for more than 460 seconds. [ 1333.884243][ T32] Not tainted 6.15.0-syzkaller #0 [ 1333.884302][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1333.884355][ T32] task:kworker/0:342 state:D stack:0 pid:4702 tgid:4702 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.884480][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.884599][ T32] Call trace: [ 1333.884690][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1333.884796][ T32] r10:8291880c r9:eb2c5d84 r8:00000002 r7:60000113 r6:eb2c5d8c r5:85314800 [ 1333.884877][ T32] r4:85314800 [ 1333.884932][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1333.885045][ T32] r5:85314800 r4:82918808 [ 1333.885111][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1333.885201][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1333.885313][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2c5e08 [ 1333.885385][ T32] r4:00000000 [ 1333.885435][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1333.885519][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1333.885601][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.885694][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851bdd40 [ 1333.885768][ T32] r4:00000000 [ 1333.885854][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.885980][ T32] r9:83018005 r8:85314800 r7:00000000 r6:83018000 r5:00001000 r4:7f0d1000 [ 1333.886061][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.886163][ T32] r5:00001000 r4:eb2bb000 [ 1333.886252][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.886354][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.886444][ T32] r5:853b678c r4:853b6400 [ 1333.886512][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.886616][ T32] r7:dddced80 r6:83018000 r5:853b678c r4:851cb180 [ 1333.886664][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.886782][ T32] r10:61c88647 r9:85314800 r8:851cb1ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1333.886857][ T32] r4:851cb180 [ 1333.886906][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.887028][ T32] r10:00000000 r9:851cb180 r8:8027f5e8 r7:eb2a1e60 r6:85229c00 r5:85314800 [ 1333.887091][ T32] r4:00000001 [ 1333.887137][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.887217][ T32] Exception stack(0xeb2c5fb0 to 0xeb2c5ff8) [ 1333.887312][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.887397][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.887471][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.887533][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.887598][ T32] r4:851bdc80 [ 1333.888471][ T32] INFO: task kworker/0:342:4702 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.888565][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.888757][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.888880][ T32] Call trace: [ 1333.888969][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 5 printk messages dropped ** [ 1333.889407][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.889465][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.889520][ T32] r5:80070013 r4:80239bb0 [ 1333.889565][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.889661][ T32] r4:82ac11a4 [ 1333.889705][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.918604][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.918751][ T32] r4:e47b9dc0 [ 1333.918823][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.918967][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.919020][ T32] r4:00000000 [ 1333.919115][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.919233][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.919285][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.919399][ T32] r5:00001000 r4:ece91000 [ 1333.919456][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.919558][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.919653][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.919717][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.935044][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 1 printk messages dropped ** [ 1333.935290][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1333.935913][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1333.936525][ T32] task:kworker/1:447 state:D stack:0 pid:4706 tgid:4706 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1333.937877][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1333.938498][ T32] r9:83018205 r8:85316000 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 ** 1 printk messages dropped ** [ 1333.938679][ T32] r5:00001000 r4:dfa4b000 [ 1333.938745][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1333.939102][ T32] r7:ddde2d80 r6:83018200 r5:85335f8c r4:85229c80 ** 7 printk messages dropped ** [ 1333.950667][ T32] Exception stack(0xeb2c9fb0 to 0xeb2c9ff8) ** 5 printk messages dropped ** [ 1333.951895][ T32] INFO: task kworker/1:447:4706 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 7 printk messages dropped ** [ 1333.952599][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 5 printk messages dropped ** [ 1333.953058][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1333.953260][ T32] r4:e47b9dc0 ** 7 printk messages dropped ** [ 1333.953866][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1333.954495][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1333.954889][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 10 printk messages dropped ** [ 1333.955879][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1333.956691][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb255e08 ** 9 printk messages dropped ** [ 1333.957415][ T32] r5:00001000 r4:dfcdb000 [ 1333.957460][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.957543][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.957632][ T32] r5:8533638c r4:85336000 [ 1333.957675][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.957770][ T32] r7:ddde2d80 r6:83018200 r5:8533638c r4:85229d80 [ 1333.957813][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.957920][ T32] r10:61c88647 r9:85315400 r8:85229dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.957983][ T32] r4:85229d80 [ 1333.958024][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1333.958131][ T32] r10:00000000 r9:85229d80 r8:8027f5e8 r7:eb159e60 r6:85229e00 r5:85315400 [ 1333.958230][ T32] r4:00000001 [ 1333.958288][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1333.958359][ T32] Exception stack(0xeb255fb0 to 0xeb255ff8) [ 1333.958435][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1333.958503][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1333.958538][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1333.958579][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1333.958611][ T32] r4:84769940 [ 1333.958969][ T32] INFO: task kworker/1:448:4709 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1333.959004][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1333.959068][ T32] Workqueue: events bpf_prog_free_deferred [ 1333.959134][ T32] Call trace: [ 1333.959170][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1333.959239][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1333.959267][ T32] r4:00000000 [ 1333.959308][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1333.959350][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1333.959378][ T32] 9d20: 9dd66000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1333.959406][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1333.959453][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1333.959500][ T32] r5:80070013 r4:80239bb0 [ 1333.959524][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1333.959569][ T32] r4:82ac11a4 [ 1333.959609][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1333.959675][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1333.959699][ T32] r4:e47b9dc0 [ 1333.959719][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1333.959813][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1333.982214][ T32] r4:00000000 [ 1333.982266][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1333.982345][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1333.982384][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1333.982464][ T32] r5:00001000 r4:ece91000 [ 1333.982492][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1333.982551][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1333.982695][ T32] r5:85a7af8c r4:85a7ac00 [ 1333.982773][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1333.982879][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1333.982906][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1333.982970][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1333.982996][ T32] r4:8454d780 [ 1333.983016][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 1 printk messages dropped ** [ 1333.983092][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1333.983557][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1333.984190][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1333.985018][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb279e08 ** 9 printk messages dropped ** [ 1333.985812][ T32] r5:00001000 r4:dfd5d000 [ 1333.985876][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1333.986111][ T32] r5:8533678c r4:85336400 ** 4 printk messages dropped ** [ 1333.986500][ T32] r4:85229e80 ** 6 printk messages dropped ** [ 1333.986807][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1333.987652][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1333.988048][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 5 printk messages dropped ** [ 1333.988276][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1333.988517][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1333.988947][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1333.989302][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1333.989612][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1334.011096][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.011198][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb0c1e08 [ 1334.011274][ T32] r4:00000000 [ 1334.011339][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1334.011420][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1334.011518][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.011618][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85228400 [ 1334.011670][ T32] r4:00000000 [ 1334.011719][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.011830][ T32] r9:83018005 r8:8530bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f033000 [ 1334.011886][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.012004][ T32] r5:00001000 r4:dffe1000 [ 1334.012094][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.012189][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.012283][ T32] r5:853b6f8c r4:853b6c00 [ 1334.012332][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.012446][ T32] r7:dddced80 r6:83018000 r5:853b6f8c r4:851cb200 [ 1334.012506][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.012610][ T32] r10:61c88647 r9:8530bc00 r8:851cb22c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1334.012663][ T32] r4:851cb200 [ 1334.012712][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.012812][ T32] r10:00000000 r9:851cb200 r8:8027f5e8 r7:eb2a1e60 r6:85229f80 r5:8530bc00 [ 1334.012880][ T32] r4:00000001 [ 1334.012935][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.013024][ T32] Exception stack(0xeb0c1fb0 to 0xeb0c1ff8) [ 1334.013105][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.013193][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.013274][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.013345][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.013402][ T32] r4:851bdf00 [ 1334.014284][ T32] INFO: task kworker/0:343:4712 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.014386][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.014590][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.014718][ T32] Call trace: [ 1334.014820][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.014926][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.014979][ T32] r4:00000000 [ 1334.015023][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.015114][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.015180][ T32] 9d20: 9e5e7000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.015248][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.015311][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.015370][ T32] r5:80070013 r4:80239bb0 [ 1334.015419][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.015517][ T32] r4:82ac11a4 [ 1334.015567][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.015671][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.015727][ T32] r4:e47b9dc0 [ 1334.015800][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.015908][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.015963][ T32] r4:00000000 [ 1334.016031][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.016143][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.016197][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.016295][ T32] r5:00001000 r4:ece91000 ** 1 printk messages dropped ** [ 1334.016435][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1334.017129][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 7 printk messages dropped ** [ 1334.017670][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1334.018048][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1334.018878][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1334.019623][ T32] r9:83018205 r8:85300c00 r7:00000000 r6:83018200 r5:00001000 r4:7f031000 ** 1 printk messages dropped ** [ 1334.047016][ T32] r5:00001000 r4:dff17000 ** 4 printk messages dropped ** [ 1334.047675][ T32] r7:ddde2d80 r6:83018200 r5:85336b8c r4:8517f000 ** 7 printk messages dropped ** [ 1334.048300][ T32] Exception stack(0xeb0a1fb0 to 0xeb0a1ff8) ** 6 printk messages dropped ** [ 1334.049639][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1334.058833][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1334.059216][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 8 printk messages dropped ** [ 1334.075308][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1334.076198][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1334.076877][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1334.077441][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.077537][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.077650][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2d9e08 [ 1334.077703][ T32] r4:00000000 [ 1334.077750][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1334.077831][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1334.077915][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.078013][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8517c1c0 [ 1334.078079][ T32] r4:00000000 [ 1334.078150][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.078287][ T32] r9:83018205 r8:85318c00 r7:00000000 r6:83018200 r5:00001000 r4:7f063000 [ 1334.078344][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.078456][ T32] r5:00001000 r4:e009b000 [ 1334.078515][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.078604][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.078696][ T32] r5:85336f8c r4:85336c00 [ 1334.078744][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.078838][ T32] r7:ddde2d80 r6:83018200 r5:85336f8c r4:8517f100 [ 1334.078906][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.079033][ T32] r10:61c88647 r9:85318c00 r8:8517f12c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.079101][ T32] r4:8517f100 [ 1334.079147][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.079248][ T32] r10:00000000 r9:8517f100 r8:8027f5e8 r7:eb159e60 r6:8517f180 r5:85318c00 [ 1334.079302][ T32] r4:00000001 [ 1334.079351][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.079434][ T32] Exception stack(0xeb2d9fb0 to 0xeb2d9ff8) [ 1334.079499][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.079581][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.079648][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.079707][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.079764][ T32] r4:8517c600 [ 1334.091343][ T32] INFO: task kworker/1:451:4716 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.091564][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.091777][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.091911][ T32] Call trace: [ 1334.091987][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.092107][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.092161][ T32] r4:00000000 [ 1334.092256][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.092358][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.092425][ T32] 9d20: 9ead0000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.092491][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.092550][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.092666][ T32] r5:80070013 r4:80239bb0 [ 1334.092722][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.092822][ T32] r4:82ac11a4 [ 1334.092887][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.093010][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.093102][ T32] r4:e47b9dc0 [ 1334.093176][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.093281][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.093343][ T32] r4:00000000 [ 1334.093396][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.093507][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.093560][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.093677][ T32] r5:00001000 r4:ece91000 [ 1334.093768][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.093895][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.094014][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.094102][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.094252][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.094310][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.094409][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.094462][ T32] r4:8454d780 [ 1334.094525][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.094645][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.094704][ T32] r4:00000001 [ 1334.094752][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.094836][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.094918][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.094995][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.095072][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.095140][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.095211][ T32] r4:84e5a340 [ 1334.095267][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.095334][ T32] INFO: task kworker/1:452:4720 blocked for more than 460 seconds. [ 1334.095408][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.095464][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.095503][ T32] task:kworker/1:452 state:D stack:0 pid:4720 tgid:4720 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.095581][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.095676][ T32] Call trace: [ 1334.095747][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.095831][ T32] r10:8291880c r9:eb2ddd84 r8:00000002 r7:60000013 r6:eb2ddd8c r5:85318000 [ 1334.095870][ T32] r4:85318000 [ 1334.095903][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1334.095970][ T32] r5:85318000 r4:82918808 [ 1334.096004][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.096075][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.096178][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2dde08 [ 1334.096262][ T32] r4:00000000 [ 1334.096318][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1334.096386][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1334.096450][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.096529][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8517ca00 [ 1334.096585][ T32] r4:00000000 [ 1334.096633][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.096753][ T32] r9:83018205 r8:85318000 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1334.096814][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.096907][ T32] r5:00001000 r4:e0587000 [ 1334.096955][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.097053][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.097151][ T32] r5:8533778c r4:85337400 [ 1334.097197][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.097296][ T32] r7:ddde2d80 r6:83018200 r5:8533778c r4:8517f200 [ 1334.097351][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.097455][ T32] r10:61c88647 r9:85318000 r8:8517f22c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1334.098150][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1334.099264][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1334.124859][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 5 printk messages dropped ** [ 1334.125396][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1334.125845][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1334.126490][ T32] r5:85a7af8c r4:85a7ac00 ** 5 printk messages dropped ** [ 1334.126929][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1334.127540][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.127607][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.127682][ T32] r4:84e5a340 [ 1334.127757][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.127826][ T32] INFO: task kworker/0:344:4721 blocked for more than 460 seconds. [ 1334.127911][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.127994][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.128056][ T32] task:kworker/0:344 state:D stack:0 pid:4721 tgid:4721 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.128176][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.128306][ T32] Call trace: [ 1334.128415][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.128527][ T32] r10:8291880c r9:eb2e1d84 r8:00000002 r7:60000113 r6:eb2e1d8c r5:85319800 [ 1334.128581][ T32] r4:85319800 [ 1334.128628][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1334.128716][ T32] r5:85319800 r4:82918808 [ 1334.128763][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.128847][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.128967][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2e1e08 [ 1334.129056][ T32] r4:00000000 [ 1334.129111][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1334.129195][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1334.129279][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.129382][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851b80c0 [ 1334.129452][ T32] r4:00000000 [ 1334.129509][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.129629][ T32] r9:83018005 r8:85319800 r7:00000000 r6:83018000 r5:00001000 r4:7f069000 [ 1334.129685][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.129859][ T32] r5:00001000 r4:e05e1000 [ 1334.160766][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.160942][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.161067][ T32] r5:853b738c r4:853b7000 [ 1334.161141][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.161254][ T32] r7:dddced80 r6:83018000 r5:853b738c r4:851cb280 [ 1334.161320][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.161667][ T32] r10:61c88647 r9:85319800 r8:851cb2ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1334.161747][ T32] r4:851cb280 [ 1334.161818][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.161892][ T32] r10:00000000 r9:851cb280 r8:8027f5e8 r7:eb2a1e60 r6:8517f300 r5:85319800 [ 1334.161919][ T32] r4:00000001 [ 1334.161939][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.162033][ T32] Exception stack(0xeb2e1fb0 to 0xeb2e1ff8) [ 1334.162068][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.162100][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.162126][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.162154][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.162237][ T32] r4:851bde00 [ 1334.162892][ T32] INFO: task kworker/0:344:4721 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.162932][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.163373][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.163690][ T32] Call trace: [ 1334.164025][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.164172][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.164265][ T32] r4:00000000 [ 1334.164338][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 6 printk messages dropped ** [ 1334.165204][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1334.165605][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 8 printk messages dropped ** [ 1334.166373][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1334.167031][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1334.167389][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1334.167854][ T32] task:kworker/1:453 state:D stack:0 pid:4722 tgid:4722 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1334.168737][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 7 printk messages dropped ** [ 1334.169427][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1334.169682][ T32] r5:00001000 r4:e0775000 ** 1 printk messages dropped ** [ 1334.182001][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1334.182424][ T32] r10:00000000 r9:8517f380 r8:8027f5e8 r7:eb2dde60 r6:8517f400 r5:8531b000 [ 1334.182447][ T32] r4:00000001 [ 1334.182500][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.182547][ T32] Exception stack(0xeb2e5fb0 to 0xeb2e5ff8) [ 1334.182579][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1334.182608][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.182636][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.182743][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.182795][ T32] r4:8517ca40 [ 1334.183657][ T32] INFO: task kworker/1:453:4722 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.183763][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.183958][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.184065][ T32] Call trace: [ 1334.184193][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.184315][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.184378][ T32] r4:00000000 [ 1334.184429][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.184521][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.184615][ T32] 9d20: 9f157000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.184691][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.184755][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.184819][ T32] r5:80070013 r4:80239bb0 [ 1334.184869][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.184976][ T32] r4:82ac11a4 [ 1334.185026][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.185146][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.185208][ T32] r4:e47b9dc0 [ 1334.185254][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.185360][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.185416][ T32] r4:00000000 [ 1334.185464][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.185572][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.185632][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.185730][ T32] r5:00001000 r4:ece91000 [ 1334.185785][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.185873][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.185969][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.186058][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.186174][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.186233][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.186299][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.186331][ T32] r4:8454d780 [ 1334.186351][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.186394][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.186418][ T32] r4:00000001 [ 1334.186467][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.186512][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.186541][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.186569][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.186674][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.186757][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.186784][ T32] r4:84e5a340 [ 1334.186805][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.186867][ T32] INFO: task kworker/1:454:4725 blocked for more than 460 seconds. [ 1334.186907][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.186933][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.186954][ T32] task:kworker/1:454 state:D stack:0 pid:4725 tgid:4725 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1334.187401][ T32] r4:8531bc00 ** 4 printk messages dropped ** [ 1334.187830][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2ede08 ** 9 printk messages dropped ** [ 1334.188683][ T32] r5:00001000 r4:e47d9000 [ 1334.188736][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.188848][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1334.189272][ T32] r10:61c88647 r9:8531bc00 r8:8517f4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1334.220925][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1334.222974][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1334.223695][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1334.224151][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1334.224673][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1334.225414][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.225469][ T32] r4:00000001 [ 1334.225519][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.225638][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.225705][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.225792][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.225875][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.225959][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.226022][ T32] r4:84e5a340 [ 1334.226072][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.226138][ T32] INFO: task kworker/0:345:4726 blocked for more than 460 seconds. [ 1334.226288][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.226377][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.226458][ T32] task:kworker/0:345 state:D stack:0 pid:4726 tgid:4726 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.226571][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.226689][ T32] Call trace: [ 1334.226773][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.226883][ T32] r10:8291880c r9:eb2f1d84 r8:00000002 r7:60000113 r6:eb2f1d8c r5:8531c800 [ 1334.226956][ T32] r4:8531c800 [ 1334.227012][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1334.227109][ T32] r5:8531c800 r4:82918808 [ 1334.227159][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.227229][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.227275][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2f1e08 [ 1334.227318][ T32] r4:00000000 [ 1334.227366][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1334.227406][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1334.227461][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.227507][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d6400 [ 1334.227545][ T32] r4:00000000 [ 1334.227579][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.227653][ T32] r9:83018005 r8:8531c800 r7:00000000 r6:83018000 r5:00001000 r4:7f087000 [ 1334.227702][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.227746][ T32] r5:00001000 r4:eaf19000 [ 1334.227768][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.227806][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.227846][ T32] r5:8534ef8c r4:8534ec00 [ 1334.227867][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.227909][ T32] r7:dddced80 r6:83018000 r5:8534ef8c r4:851cb300 [ 1334.227930][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.228023][ T32] r10:61c88647 r9:8531c800 r8:851cb32c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1334.228053][ T32] r4:851cb300 [ 1334.228125][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.228224][ T32] r10:00000000 r9:851cb300 r8:8027f5e8 r7:eb2a1e60 r6:8517f580 r5:8531c800 [ 1334.228265][ T32] r4:00000001 [ 1334.228315][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.228371][ T32] Exception stack(0xeb2f1fb0 to 0xeb2f1ff8) [ 1334.228427][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.228467][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.228493][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.228565][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.228592][ T32] r4:851b8000 [ 1334.228923][ T32] INFO: task kworker/0:345:4726 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.228956][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.229046][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.229097][ T32] Call trace: [ 1334.229305][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.229375][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.229404][ T32] r4:00000000 [ 1334.229424][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.229462][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.229490][ T32] 9d20: 9f5af000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.229518][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.229544][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.229567][ T32] r5:80070013 r4:80239bb0 [ 1334.229586][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.229629][ T32] r4:82ac11a4 [ 1334.229647][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.229699][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.229821][ T32] r4:e47b9dc0 [ 1334.250534][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.250700][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.250776][ T32] r4:00000000 [ 1334.250850][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.250977][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.251039][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.251162][ T32] r5:00001000 r4:ece91000 ** 1 printk messages dropped ** [ 1334.251348][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1334.252182][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1334.252483][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1334.252682][ T32] task:kworker/1:455 state:D stack:0 pid:4727 tgid:4727 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1334.253346][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1334.253539][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1334.253695][ T32] r5:00001000 r4:ea97d000 [ 1334.253718][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1334.253904][ T32] r7:ddde2d80 r6:83018200 r5:8534c38c r4:8517f600 ** 3 printk messages dropped ** [ 1334.254091][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1334.254630][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1334.255605][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1334.255858][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 11 printk messages dropped ** [ 1334.256801][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 7 printk messages dropped ** [ 1334.257542][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1334.257863][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1334.258113][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1334.258413][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1334.259019][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1334.291552][ T32] r5:00001000 r4:e8811000 ** 1 printk messages dropped ** [ 1334.291737][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.291826][ T32] r5:8443138c r4:84431000 [ 1334.291878][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.291977][ T32] r7:ddde2d80 r6:83018200 r5:8443138c r4:8517f700 [ 1334.292051][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.292157][ T32] r10:61c88647 r9:8531e000 r8:8517f72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.292205][ T32] r4:8517f700 [ 1334.292257][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.292381][ T32] r10:00000000 r9:8517f700 r8:8027f5e8 r7:eb2f5e60 r6:8517f780 r5:8531e000 [ 1334.292442][ T32] r4:00000001 [ 1334.292531][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.292629][ T32] Exception stack(0xeb2e9fb0 to 0xeb2e9ff8) [ 1334.292703][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.292775][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.292840][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.292913][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.292967][ T32] r4:8517cf40 [ 1334.293867][ T32] INFO: task kworker/1:456:4729 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.293966][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.294178][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.294416][ T32] Call trace: [ 1334.294505][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.294630][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.294692][ T32] r4:00000000 [ 1334.294738][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.294844][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.294942][ T32] 9d20: 9f9fd000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.295016][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.295080][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.295142][ T32] r5:80070013 r4:80239bb0 [ 1334.295198][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.295334][ T32] r4:82ac11a4 [ 1334.295389][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.295512][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.295575][ T32] r4:e47b9dc0 [ 1334.295639][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.295760][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.295824][ T32] r4:00000000 [ 1334.295876][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.295981][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.296038][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.296139][ T32] r5:00001000 r4:ece91000 [ 1334.296190][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.296333][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.296456][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.296531][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.296665][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.296723][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.296849][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.296908][ T32] r4:8454d780 [ 1334.296954][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.297073][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.297138][ T32] r4:00000001 [ 1334.297190][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.297279][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.297357][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.297431][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1334.297977][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1334.298687][ T32] r4:85316c00 ** 3 printk messages dropped ** [ 1334.299006][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1334.299620][ T32] r5:00001000 r4:ea9f7000 [ 1334.299665][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.299708][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1334.324422][ T32] r10:61c88647 r9:85316c00 r8:8517f82c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1334.325124][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1334.326807][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 7 printk messages dropped ** [ 1334.327308][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 11 printk messages dropped ** [ 1334.328414][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1334.329024][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1334.329374][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 6 printk messages dropped ** [ 1334.340478][ T32] INFO: task kworker/1:458:4734 blocked for more than 460 seconds. ** 7 printk messages dropped ** [ 1334.341363][ T32] r4:8531ec00 ** 3 printk messages dropped ** [ 1334.341632][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1334.342648][ T32] r5:00001000 r4:eaa29000 [ 1334.342714][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1334.343082][ T32] r7:ddde2d80 r6:83018200 r5:8534cb8c r4:8517f900 ** 4 printk messages dropped ** [ 1334.343521][ T32] r10:00000000 r9:8517f900 r8:8027f5e8 r7:eb2f9e60 r6:8517f980 r5:8531ec00 [ 1334.343584][ T32] r4:00000001 [ 1334.343655][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.343750][ T32] Exception stack(0xeb085fb0 to 0xeb085ff8) [ 1334.343820][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1334.343889][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.343954][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.344019][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.344079][ T32] r4:850fd380 [ 1334.344973][ T32] INFO: task kworker/1:458:4734 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.345060][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.345218][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.345334][ T32] Call trace: [ 1334.345478][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.345588][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.345647][ T32] r4:00000000 [ 1334.345696][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.345781][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.345871][ T32] 9d20: 9fc7d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.345961][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.346034][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.346113][ T32] r5:80070013 r4:80239bb0 [ 1334.346204][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.346341][ T32] r4:82ac11a4 [ 1334.346414][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.346527][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.346586][ T32] r4:e47b9dc0 [ 1334.346652][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.346755][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.346840][ T32] r4:00000000 [ 1334.346899][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.347003][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.347059][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.347161][ T32] r5:00001000 r4:ece91000 [ 1334.347211][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.347306][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.347437][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.347497][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.347601][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.347674][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.347784][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.347838][ T32] r4:8454d780 [ 1334.347883][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.348009][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.348065][ T32] r4:00000001 [ 1334.348112][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.348194][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.348255][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.348355][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.348425][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.348491][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.348547][ T32] r4:84e5a340 [ 1334.348593][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.348652][ T32] INFO: task kworker/1:459:4737 blocked for more than 460 seconds. [ 1334.348716][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.348775][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.348848][ T32] task:kworker/1:459 state:D stack:0 pid:4737 tgid:4737 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.348984][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.349084][ T32] Call trace: [ 1334.349205][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.349324][ T32] r10:8291880c r9:eb2d5d84 r8:00000002 r7:60000013 r6:eb2d5d8c r5:8531a400 [ 1334.349381][ T32] r4:8531a400 [ 1334.349430][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1334.349521][ T32] r5:8531a400 r4:82918808 [ 1334.349568][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.349652][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.378351][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2d5e08 [ 1334.378541][ T32] r4:00000000 [ 1334.378596][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1334.378711][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1334.378809][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.378910][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850fd780 [ 1334.378963][ T32] r4:00000000 [ 1334.379028][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.379138][ T32] r9:83018205 r8:8531a400 r7:00000000 r6:83018200 r5:00001000 r4:7f077000 [ 1334.379212][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.379350][ T32] r5:00001000 r4:eaa63000 [ 1334.379410][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.379517][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.379613][ T32] r5:8534cf8c r4:8534cc00 [ 1334.379658][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.387664][ T32] r7:ddde2d80 r6:83018200 r5:8534cf8c r4:8517fa00 [ 1334.387867][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.388032][ T32] r10:61c88647 r9:8531a400 r8:8517fa2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.388084][ T32] r4:8517fa00 [ 1334.388129][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.388225][ T32] r10:00000000 r9:8517fa00 r8:8027f5e8 r7:eb085e60 r6:8517fa80 r5:8531a400 [ 1334.388277][ T32] r4:00000001 [ 1334.388361][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 2 printk messages dropped ** [ 1334.388586][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1334.405535][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1334.406243][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1334.406716][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1334.407239][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1334.407954][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1334.408397][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1334.409389][ T32] r4:853d0000 ** 4 printk messages dropped ** [ 1334.420656][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2fde08 ** 9 printk messages dropped ** [ 1334.421469][ T32] r5:00001000 r4:eaa8d000 [ 1334.421515][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1334.421864][ T32] r7:ddde2d80 r6:83018200 r5:8534d38c r4:8517fb00 ** 7 printk messages dropped ** [ 1334.422519][ T32] Exception stack(0xeb2fdfb0 to 0xeb2fdff8) ** 5 printk messages dropped ** [ 1334.423729][ T32] INFO: task kworker/1:460:4738 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.423819][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.424022][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.424137][ T32] Call trace: [ 1334.424212][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.424313][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.424383][ T32] r4:00000000 [ 1334.424450][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.424536][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.424616][ T32] 9d20: a00d3000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.424682][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.424734][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.424787][ T32] r5:80070013 r4:80239bb0 [ 1334.424836][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.424934][ T32] r4:82ac11a4 [ 1334.424982][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.425091][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.425145][ T32] r4:e47b9dc0 [ 1334.425190][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.425294][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.425349][ T32] r4:00000000 [ 1334.425398][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.425496][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.425552][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.425647][ T32] r5:00001000 r4:ece91000 [ 1334.425698][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.425788][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.425881][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.425930][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.426031][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.426106][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.426271][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.426342][ T32] r4:8454d780 [ 1334.426388][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.426491][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.426563][ T32] r4:00000001 [ 1334.426633][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.426748][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.426835][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.426906][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.426969][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.427036][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.427093][ T32] r4:84e5a340 [ 1334.427144][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.427208][ T32] INFO: task kworker/1:461:4741 blocked for more than 460 seconds. [ 1334.427290][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.427370][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.427432][ T32] task:kworker/1:461 state:D stack:0 pid:4741 tgid:4741 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.427572][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.427695][ T32] Call trace: [ 1334.427761][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.427860][ T32] r10:8291880c r9:eb301d84 r8:00000002 r7:60000013 r6:eb301d8c r5:853d0c00 [ 1334.427910][ T32] r4:853d0c00 [ 1334.427996][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1334.428084][ T32] r5:853d0c00 r4:82918808 [ 1334.428145][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.428240][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.428342][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb301e08 ** 9 printk messages dropped ** [ 1334.429049][ T32] r5:00001000 r4:eaac1000 [ 1334.429099][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.429183][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1334.429429][ T32] r7:ddde2d80 r6:83018200 r5:8534d78c r4:8517fc00 ** 7 printk messages dropped ** [ 1334.458499][ T32] Exception stack(0xeb301fb0 to 0xeb301ff8) ** 6 printk messages dropped ** [ 1334.459244][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1334.460714][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1334.461211][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1334.461832][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1334.462280][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1334.462712][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1334.463222][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1334.463942][ T32] r5:00001000 r4:eab69000 [ 1334.463962][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1334.464522][ T32] r10:61c88647 r9:853d1800 r8:8517feac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1334.465370][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.465400][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.465429][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.465451][ T32] r4:850fd880 [ 1334.465954][ T32] INFO: task kworker/1:462:4742 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.466054][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.466217][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.466280][ T32] Call trace: [ 1334.466317][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.466519][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.466801][ T32] r4:00000000 [ 1334.466824][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.466862][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.466890][ T32] 9d20: a0654000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.466918][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.466942][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.466967][ T32] r5:80070013 r4:80239bb0 [ 1334.466997][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.467219][ T32] r4:82ac11a4 [ 1334.467243][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.467298][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.467388][ T32] r4:e47b9dc0 [ 1334.467463][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.467511][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.467546][ T32] r4:00000000 [ 1334.467570][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.467770][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.467879][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.468196][ T32] r5:00001000 r4:ece91000 [ 1334.468420][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.468466][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.468641][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.468673][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.468727][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.468749][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.468835][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.468862][ T32] r4:8454d780 [ 1334.468882][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.468925][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.469006][ T32] r4:00000001 [ 1334.469028][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.469069][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.469095][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.469168][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.469305][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.469338][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.469376][ T32] r4:84e5a340 [ 1334.469473][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.469574][ T32] INFO: task kworker/1:463:4745 blocked for more than 460 seconds. [ 1334.469607][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.469670][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.469695][ T32] task:kworker/1:463 state:D stack:0 pid:4745 tgid:4745 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.496411][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.496511][ T32] Call trace: [ 1334.496587][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.496684][ T32] r10:8291880c r9:eb305d84 r8:00000002 r7:60000013 r6:eb305d8c r5:853d3000 [ 1334.496712][ T32] r4:853d3000 [ 1334.496796][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1334.496844][ T32] r5:853d3000 r4:82918808 [ 1334.496866][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.496905][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.496972][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb305e08 [ 1334.497029][ T32] r4:00000000 [ 1334.497079][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 3 printk messages dropped ** [ 1334.497389][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1334.497593][ T32] r5:00001000 r4:eab2d000 [ 1334.497651][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1334.497834][ T32] r5:8534db8c r4:8534d800 ** 3 printk messages dropped ** [ 1334.498066][ T32] r10:61c88647 r9:853d3000 r8:8517ffac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1334.498591][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1334.499773][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 5 printk messages dropped ** [ 1334.512618][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1334.512874][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1334.513108][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1334.513260][ T32] r4:8454d780 ** 2 printk messages dropped ** [ 1334.513344][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1334.513535][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1334.513702][ T32] task:kworker/1:464 state:D stack:0 pid:4746 tgid:4746 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1334.514437][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1334.514944][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1334.515170][ T32] r5:00001000 r4:eabb1000 [ 1334.515203][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1334.515557][ T32] r7:ddde2d80 r6:83018200 r5:8534e38c r4:8517fd80 ** 9 printk messages dropped ** [ 1334.515882][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1334.516757][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.516818][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.516918][ T32] Call trace: [ 1334.516976][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.517054][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.517095][ T32] r4:00000000 [ 1334.517119][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.517177][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.517209][ T32] 9d20: a1589000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.517238][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.517278][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.517306][ T32] r5:80070013 r4:80239bb0 [ 1334.517338][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.517400][ T32] r4:82ac11a4 [ 1334.517422][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.517482][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.517507][ T32] r4:e47b9dc0 [ 1334.517528][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.517577][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.517601][ T32] r4:00000000 [ 1334.517622][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.517667][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.517715][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.517761][ T32] r5:00001000 r4:ece91000 [ 1334.517804][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.517847][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.517889][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.517921][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.517971][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.518004][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.518057][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.518081][ T32] r4:8454d780 [ 1334.518105][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.518151][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.518174][ T32] r4:00000001 [ 1334.518220][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.518259][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.518285][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.518314][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.518341][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.518370][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.518392][ T32] r4:84e5a340 [ 1334.518426][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.518460][ T32] INFO: task kworker/1:465:4748 blocked for more than 461 seconds. [ 1334.518508][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.518536][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.518559][ T32] task:kworker/1:465 state:D stack:0 pid:4748 tgid:4748 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.518605][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.518645][ T32] Call trace: [ 1334.518701][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.518755][ T32] r10:8291880c r9:eb315d84 r8:00000002 r7:60000013 r6:eb315d8c r5:853d5400 [ 1334.518778][ T32] r4:853d5400 [ 1334.518854][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1334.518922][ T32] r5:853d5400 r4:82918808 [ 1334.518945][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.518982][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.519023][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb315e08 [ 1334.519080][ T32] r4:00000000 [ 1334.519104][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1334.519140][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1334.519175][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.519218][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d6180 [ 1334.519240][ T32] r4:00000000 [ 1334.519260][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.519302][ T32] r9:83018205 r8:853d5400 r7:00000000 r6:83018200 r5:00001000 r4:7f083000 [ 1334.519350][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.519420][ T32] r5:00001000 r4:eaebf000 [ 1334.519444][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.519483][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.519524][ T32] r5:8534e78c r4:8534e400 [ 1334.519543][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.519607][ T32] r7:ddde2d80 r6:83018200 r5:8534e78c r4:851e9000 [ 1334.519631][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.519675][ T32] r10:61c88647 r9:853d5400 r8:851e902c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.519696][ T32] r4:851e9000 [ 1334.519716][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.519988][ T32] r10:00000000 r9:851e9000 r8:8027f5e8 r7:eb311e60 r6:851e9080 r5:853d5400 [ 1334.543678][ T32] r4:00000001 [ 1334.543729][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.543822][ T32] Exception stack(0xeb315fb0 to 0xeb315ff8) [ 1334.543864][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1334.543900][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.543955][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.543997][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.544020][ T32] r4:850fde40 [ 1334.544521][ T32] INFO: task kworker/1:465:4748 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.544562][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.544665][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.544724][ T32] Call trace: [ 1334.544758][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.544809][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.544832][ T32] r4:00000000 [ 1334.544852][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.544889][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.544944][ T32] 9d20: a19fa000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.544978][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.545011][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.545120][ T32] r5:80070013 r4:80239bb0 [ 1334.545149][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.545199][ T32] r4:82ac11a4 [ 1334.545219][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.545265][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.545288][ T32] r4:e47b9dc0 [ 1334.545307][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.545376][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.545429][ T32] r4:00000000 [ 1334.545479][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.545555][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.545608][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.545655][ T32] r5:00001000 r4:ece91000 [ 1334.545676][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.545740][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.545801][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.545849][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.545900][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.545923][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.545967][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.545989][ T32] r4:8454d780 [ 1334.546008][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.546056][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.546104][ T32] r4:00000001 [ 1334.546177][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.546237][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.546265][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.546305][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.546347][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.546378][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.546415][ T32] r4:84e5a340 [ 1334.546439][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.546481][ T32] INFO: task kworker/1:466:4750 blocked for more than 461 seconds. [ 1334.546529][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.546582][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.546622][ T32] task:kworker/1:466 state:D stack:0 pid:4750 tgid:4750 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.546749][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.546822][ T32] Call trace: [ 1334.546970][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.547021][ T32] r10:8291880c r9:eb30dd84 r8:00000002 r7:60000113 r6:eb30dd8c r5:853d2400 [ 1334.547050][ T32] r4:853d2400 [ 1334.547072][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1334.547110][ T32] r5:853d2400 r4:82918808 [ 1334.547129][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.547165][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.547207][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb30de08 [ 1334.547228][ T32] r4:00000000 [ 1334.547246][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1334.547281][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1334.547317][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.547360][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d67c0 [ 1334.547382][ T32] r4:00000000 [ 1334.547426][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.547499][ T32] r9:83018205 r8:853d2400 r7:00000000 r6:83018200 r5:00001000 r4:7f08b000 [ 1334.547524][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.547567][ T32] r5:00001000 r4:eb05b000 [ 1334.547587][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.547625][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.547675][ T32] r5:8534f78c r4:8534f400 [ 1334.547698][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.547743][ T32] r7:ddde2d80 r6:83018200 r5:8534f78c r4:851e9100 [ 1334.547788][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.547854][ T32] r10:61c88647 r9:853d2400 r8:851e912c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.547884][ T32] r4:851e9100 [ 1334.547905][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.547948][ T32] r10:00000000 r9:851e9100 r8:8027f5e8 r7:eb315e60 r6:851e9180 r5:853d2400 [ 1334.547994][ T32] r4:00000001 [ 1334.548013][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.548053][ T32] Exception stack(0xeb30dfb0 to 0xeb30dff8) [ 1334.548079][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.548131][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.548163][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.548216][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.548242][ T32] r4:851d6200 [ 1334.548593][ T32] INFO: task kworker/1:466:4750 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.548629][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1334.548858][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1334.549058][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 5 printk messages dropped ** [ 1334.549341][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 6 printk messages dropped ** [ 1334.549605][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1334.561111][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1334.561280][ T32] r4:00000001 ** 1 printk messages dropped ** [ 1334.561395][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 6 printk messages dropped ** [ 1334.561946][ T32] INFO: task kworker/1:467:4752 blocked for more than 461 seconds. ** 3 printk messages dropped ** [ 1334.562262][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1334.562649][ T32] r4:853d6000 ** 3 printk messages dropped ** [ 1334.562808][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1334.563042][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d62c0 ** 4 printk messages dropped ** [ 1334.563244][ T32] r5:00001000 r4:eaee1000 [ 1334.563264][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.563302][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.563342][ T32] r5:8534eb8c r4:8534e800 [ 1334.563361][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.563480][ T32] r7:ddde2d80 r6:83018200 r5:8534eb8c r4:851e9200 [ 1334.563505][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.563552][ T32] r10:61c88647 r9:853d6000 r8:851e922c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.563598][ T32] r4:851e9200 [ 1334.563620][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.563666][ T32] r10:00000000 r9:851e9200 r8:8027f5e8 r7:eb30de60 r6:851e9280 r5:853d6000 [ 1334.563688][ T32] r4:00000001 [ 1334.563731][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.563795][ T32] Exception stack(0xeb319fb0 to 0xeb319ff8) [ 1334.563837][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.563880][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.563909][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.563938][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.563962][ T32] r4:851d6340 [ 1334.564466][ T32] INFO: task kworker/1:467:4752 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.564502][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.564560][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.564604][ T32] Call trace: [ 1334.564635][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.564693][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.564766][ T32] r4:00000000 [ 1334.564791][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.564842][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.564887][ T32] 9d20: a19fa000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.564919][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.564949][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.565002][ T32] r5:80070013 r4:80239bb0 [ 1334.565028][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.565088][ T32] r4:82ac11a4 [ 1334.565110][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.565157][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.565179][ T32] r4:e47b9dc0 [ 1334.565197][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.565266][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.565296][ T32] r4:00000000 [ 1334.565318][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.565362][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.565384][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.565425][ T32] r5:00001000 r4:ece91000 [ 1334.565458][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.565583][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.565630][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.565651][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.565696][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.565716][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.565829][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.565856][ T32] r4:8454d780 [ 1334.565902][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.565949][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.565973][ T32] r4:00000001 [ 1334.566051][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.566162][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.566216][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.566248][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.566316][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.566348][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.566372][ T32] r4:84e5a340 [ 1334.566414][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.566445][ T32] INFO: task kworker/1:468:4754 blocked for more than 461 seconds. [ 1334.566476][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.566499][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.566520][ T32] task:kworker/1:468 state:D stack:0 pid:4754 tgid:4754 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.566595][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.566666][ T32] Call trace: [ 1334.566724][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.566776][ T32] r10:8291880c r9:eb321d84 r8:00000002 r7:60000013 r6:eb321d8c r5:853d6c00 [ 1334.566800][ T32] r4:853d6c00 [ 1334.566819][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1334.566858][ T32] r5:853d6c00 r4:82918808 [ 1334.566896][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 1 printk messages dropped ** [ 1334.566979][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb321e08 ** 3 printk messages dropped ** [ 1334.567107][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1334.567334][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.567402][ T32] r5:00001000 r4:eafe1000 [ 1334.567450][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1334.567614][ T32] r7:ddde2d80 r6:83018200 r5:8534f38c r4:851e9300 ** 1 printk messages dropped ** [ 1334.567701][ T32] r10:61c88647 r9:853d6c00 r8:851e932c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.567724][ T32] r4:851e9300 [ 1334.567743][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.567785][ T32] r10:00000000 r9:851e9300 r8:8027f5e8 r7:eb30de60 r6:851e9380 r5:853d6c00 [ 1334.567832][ T32] r4:00000001 [ 1334.567855][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.567891][ T32] Exception stack(0xeb321fb0 to 0xeb321ff8) [ 1334.567917][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.567988][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.568021][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.568053][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.568077][ T32] r4:851d6340 [ 1334.568424][ T32] INFO: task kworker/1:468:4754 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.568455][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.568548][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.568675][ T32] Call trace: [ 1334.568711][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.568848][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.568876][ T32] r4:00000000 [ 1334.568896][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.568933][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.568961][ T32] 9d20: a19fa000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.568989][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.569040][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.569078][ T32] r5:80070013 r4:80239bb0 [ 1334.569098][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.569144][ T32] r4:82ac11a4 [ 1334.569217][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.569269][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.569291][ T32] r4:e47b9dc0 [ 1334.569310][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.569351][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.569434][ T32] r4:00000000 [ 1334.569488][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.569561][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.569588][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.569658][ T32] r5:00001000 r4:ece91000 [ 1334.569707][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.592785][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.593011][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.593048][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.593103][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.593125][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.593170][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.593192][ T32] r4:8454d780 [ 1334.593211][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.593256][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.593337][ T32] r4:00000001 [ 1334.593362][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.593402][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.593434][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.593468][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.593510][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.593639][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.593668][ T32] r4:84e5a340 [ 1334.593737][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.593786][ T32] INFO: task kworker/0:346:4755 blocked for more than 461 seconds. [ 1334.593840][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.593868][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.593949][ T32] task:kworker/0:346 state:D stack:0 pid:4755 tgid:4755 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.594055][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.594121][ T32] Call trace: [ 1334.594155][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.594238][ T32] r10:8291880c r9:eb325d84 r8:00000002 r7:60000113 r6:eb325d8c r5:84eac800 [ 1334.594262][ T32] r4:84eac800 [ 1334.594281][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 6 printk messages dropped ** [ 1334.594647][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1334.595156][ T32] r5:00001000 r4:eb1a5000 [ 1334.595179][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1334.595326][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1334.595770][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1334.596753][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1334.597406][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1334.597931][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1334.598830][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1334.622989][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1334.623210][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1334.623589][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1334.624150][ T32] r5:00001000 r4:eb08f000 [ 1334.624170][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1334.624317][ T32] r7:ddde2d80 r6:83018200 r5:8534fb8c r4:851e9400 ** 7 printk messages dropped ** [ 1334.624584][ T32] Exception stack(0xeb331fb0 to 0xeb331ff8) ** 7 printk messages dropped ** [ 1334.625503][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1334.625846][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 8 printk messages dropped ** [ 1334.626254][ T32] r4:e47b9dc0 ** 7 printk messages dropped ** [ 1334.626540][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 9 printk messages dropped ** [ 1334.626925][ T32] r4:00000001 [ 1334.626948][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.626985][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.627011][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.627038][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.627070][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.627129][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.627155][ T32] r4:84e5a340 [ 1334.627177][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.627204][ T32] INFO: task kworker/1:470:4760 blocked for more than 461 seconds. [ 1334.627232][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.627255][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.627290][ T32] task:kworker/1:470 state:D stack:0 pid:4760 tgid:4760 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.627343][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.627409][ T32] Call trace: [ 1334.627440][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.627487][ T32] r10:8291880c r9:eb341d84 r8:00000002 r7:60000113 r6:eb341d8c r5:84e48c00 [ 1334.627509][ T32] r4:84e48c00 [ 1334.627529][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1334.627568][ T32] r5:84e48c00 r4:82918808 [ 1334.627611][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.627650][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.627694][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb341e08 [ 1334.627716][ T32] r4:00000000 [ 1334.627758][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1334.627797][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1334.627834][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.627876][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:851d6c00 [ 1334.627897][ T32] r4:00000000 [ 1334.627916][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.627959][ T32] r9:83018205 r8:84e48c00 r7:00000000 r6:83018200 r5:00001000 r4:7f091000 [ 1334.628029][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.628094][ T32] r5:00001000 r4:eb0b7000 [ 1334.628144][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.628186][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.628252][ T32] r5:8535438c r4:85354000 [ 1334.628353][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.628402][ T32] r7:ddde2d80 r6:83018200 r5:8535438c r4:851e9480 [ 1334.628424][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.628469][ T32] r10:61c88647 r9:84e48c00 r8:851e94ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.628490][ T32] r4:851e9480 [ 1334.628509][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.628550][ T32] r10:00000000 r9:851e9480 r8:8027f5e8 r7:eb331e60 r6:851cb500 r5:84e48c00 [ 1334.628572][ T32] r4:00000001 [ 1334.628615][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.628680][ T32] Exception stack(0xeb341fb0 to 0xeb341ff8) [ 1334.628735][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.628792][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.628823][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.628893][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.629066][ T32] r4:851d6780 [ 1334.629387][ T32] INFO: task kworker/1:470:4760 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.629419][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.629487][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.629534][ T32] Call trace: [ 1334.629576][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.629635][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.629659][ T32] r4:00000000 [ 1334.629678][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.629715][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.629767][ T32] 9d20: a2391000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.648456][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.648569][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.648651][ T32] r5:80070013 r4:80239bb0 [ 1334.648680][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.648750][ T32] r4:82ac11a4 [ 1334.648771][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.648818][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.648930][ T32] r4:e47b9dc0 [ 1334.648985][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.649089][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.649120][ T32] r4:00000000 [ 1334.649155][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.649245][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.649433][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.649515][ T32] r5:00001000 r4:ece91000 [ 1334.649541][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.649685][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.657954][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.657999][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.658079][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.658102][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.658149][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.658173][ T32] r4:8454d780 [ 1334.658241][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.658296][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.658322][ T32] r4:00000001 [ 1334.658350][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.658418][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.658449][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.658477][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1334.658698][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1334.659071][ T32] r4:853d4800 ** 4 printk messages dropped ** [ 1334.659394][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb31de08 ** 9 printk messages dropped ** [ 1334.672942][ T32] r5:00001000 r4:eb0a3000 [ 1334.672970][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1334.673061][ T32] r5:8534ff8c r4:8534fc00 [ 1334.673081][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.673128][ T32] r7:ddde2d80 r6:83018200 r5:8534ff8c r4:851e9500 [ 1334.673182][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.673235][ T32] r10:61c88647 r9:853d4800 r8:851e952c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.673317][ T32] r4:851e9500 [ 1334.673373][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.673528][ T32] r10:00000000 r9:851e9500 r8:8027f5e8 r7:eb341e60 r6:851e9580 r5:853d4800 [ 1334.673555][ T32] r4:00000001 [ 1334.673605][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.673677][ T32] Exception stack(0xeb31dfb0 to 0xeb31dff8) [ 1334.673982][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.674016][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.674048][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.674079][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.674102][ T32] r4:851d6780 [ 1334.674634][ T32] INFO: task kworker/1:471:4761 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.674675][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.674837][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.674886][ T32] Call trace: [ 1334.674918][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.675171][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 7 printk messages dropped ** [ 1334.676059][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 12 printk messages dropped ** [ 1334.676740][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1334.677120][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 10 printk messages dropped ** [ 1334.677606][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1334.678177][ T32] r10:8291880c r9:eb345d84 r8:00000002 r7:60000113 r6:eb345d8c r5:853d8000 ** 8 printk messages dropped ** [ 1334.678751][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1334.679083][ T32] r5:00001000 r4:eb0cb000 [ 1334.679116][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1334.679197][ T32] r5:8535478c r4:85354400 ** 4 printk messages dropped ** [ 1334.679371][ T32] r4:851e9600 ** 4 printk messages dropped ** [ 1334.679548][ T32] Exception stack(0xeb345fb0 to 0xeb345ff8) ** 6 printk messages dropped ** [ 1334.700903][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1334.701617][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1334.701991][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 9 printk messages dropped ** [ 1334.702463][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1334.702603][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1334.703098][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1334.703411][ T32] r4:853d8c00 ** 4 printk messages dropped ** [ 1334.703572][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb349e08 ** 9 printk messages dropped ** [ 1334.703930][ T32] r5:00001000 r4:eb0fb000 ** 1 printk messages dropped ** [ 1334.703989][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1334.704311][ T32] r7:ddde2d80 r6:83018200 r5:8535538c r4:851e9700 [ 1334.704359][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.704426][ T32] r10:61c88647 r9:853d8c00 r8:851e972c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.704448][ T32] r4:851e9700 [ 1334.704468][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.704511][ T32] r10:00000000 r9:851e9700 r8:8027f5e8 r7:eb345e60 r6:851e9780 r5:853d8c00 [ 1334.704534][ T32] r4:00000001 [ 1334.704555][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.704610][ T32] Exception stack(0xeb349fb0 to 0xeb349ff8) [ 1334.704657][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.704708][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.704740][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.704769][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.704796][ T32] r4:851d6bc0 [ 1334.705206][ T32] INFO: task kworker/1:473:4766 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.705278][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.705466][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.705685][ T32] Call trace: [ 1334.705761][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.705954][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.705998][ T32] r4:00000000 [ 1334.706020][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.706173][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.706252][ T32] 9d20: a2f9c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.706374][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.706446][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.706544][ T32] r5:80070013 r4:80239bb0 [ 1334.706574][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.706621][ T32] r4:82ac11a4 [ 1334.706680][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.706732][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.706768][ T32] r4:e47b9dc0 [ 1334.706795][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.706842][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.706877][ T32] r4:00000000 [ 1334.706923][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.706989][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.707034][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.707087][ T32] r5:00001000 r4:ece91000 [ 1334.707161][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.707268][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.707327][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.707382][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.707434][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.707465][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.707544][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.707570][ T32] r4:8454d780 [ 1334.707612][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.707705][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.707755][ T32] r4:00000001 [ 1334.707800][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.707877][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.707910][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.707938][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.708001][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.708038][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.708098][ T32] r4:84e5a340 [ 1334.708148][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.708204][ T32] INFO: task kworker/1:474:4768 blocked for more than 461 seconds. [ 1334.708263][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.708310][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.708374][ T32] task:kworker/1:474 state:D stack:0 pid:4768 tgid:4768 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.708457][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.708556][ T32] Call trace: [ 1334.708599][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.708648][ T32] r10:8291880c r9:eb329d84 r8:00000002 r7:60000113 r6:eb329d8c r5:853da400 [ 1334.708671][ T32] r4:853da400 ** 2 printk messages dropped ** [ 1334.708773][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1334.709136][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.709178][ T32] r5:00001000 r4:eb0df000 [ 1334.709232][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1334.709397][ T32] r7:ddde2d80 r6:83018200 r5:85354b8c r4:851e9800 ** 7 printk messages dropped ** [ 1334.709702][ T32] Exception stack(0xeb329fb0 to 0xeb329ff8) ** 5 printk messages dropped ** [ 1334.733184][ T32] INFO: task kworker/1:474:4768 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 9 printk messages dropped ** [ 1334.734129][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 10 printk messages dropped ** [ 1334.735085][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1334.735464][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1334.735869][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1334.736196][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1334.736554][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1334.737079][ T32] r5:00001000 r4:eb0ed000 [ 1334.737176][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1334.737922][ T32] r7:ddde2d80 r6:83018200 r5:85354f8c r4:851e9900 [ 1334.737948][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.737994][ T32] r10:61c88647 r9:853dbc00 r8:851e992c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.738015][ T32] r4:851e9900 [ 1334.738035][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.738086][ T32] r10:00000000 r9:851e9900 r8:8027f5e8 r7:eb349e60 r6:851e9980 r5:853dbc00 [ 1334.738110][ T32] r4:00000001 [ 1334.738129][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.738163][ T32] Exception stack(0xeb351fb0 to 0xeb351ff8) [ 1334.738227][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1334.738307][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.738339][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.738367][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.738391][ T32] r4:851d6f40 [ 1334.738729][ T32] INFO: task kworker/1:475:4770 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.738762][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.738820][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.738864][ T32] Call trace: [ 1334.739094][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.739150][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.739175][ T32] r4:00000000 [ 1334.739196][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.739303][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.739338][ T32] 9d20: a32fa000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.739376][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.739435][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.739463][ T32] r5:80070013 r4:80239bb0 [ 1334.739484][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.739574][ T32] r4:82ac11a4 [ 1334.739598][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.739644][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.739666][ T32] r4:e47b9dc0 [ 1334.739684][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.739726][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.739812][ T32] r4:00000000 [ 1334.764813][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.764919][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.764946][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.764992][ T32] r5:00001000 r4:ece91000 [ 1334.765041][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.765117][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.765183][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.765207][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.765255][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.765287][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.765336][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.765359][ T32] r4:8454d780 [ 1334.765380][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.765424][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.765473][ T32] r4:00000001 [ 1334.765497][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.765535][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.765565][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.765594][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.765645][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.765713][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.765745][ T32] r4:84e5a340 [ 1334.765820][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.765854][ T32] INFO: task kworker/1:476:4772 blocked for more than 461 seconds. ** 3 printk messages dropped ** [ 1334.766039][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1334.766523][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb359e08 ** 9 printk messages dropped ** [ 1334.767074][ T32] r5:00001000 r4:eb355000 [ 1334.767097][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1334.767209][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1334.767752][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1334.768754][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1334.769081][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1334.769251][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1334.769547][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1334.784007][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1334.784404][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1334.784683][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1334.785413][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1334.786034][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1334.786327][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1334.786676][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1334.786966][ T32] r4:8521e340 ** 5 printk messages dropped ** [ 1334.787776][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 4 printk messages dropped ** [ 1334.788404][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.788430][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.788454][ T32] r5:80070013 r4:80239bb0 [ 1334.788475][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.788534][ T32] r4:82ac11a4 [ 1334.788582][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.788633][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.788657][ T32] r4:e47b9dc0 [ 1334.788693][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.788817][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.788845][ T32] r4:00000000 [ 1334.788867][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.788913][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.789053][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.789103][ T32] r5:00001000 r4:ece91000 [ 1334.789123][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.789161][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.789201][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.789299][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.789350][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.789423][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.789630][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.789707][ T32] r4:8454d780 [ 1334.789798][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.807704][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.807755][ T32] r4:00000001 [ 1334.807780][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.807840][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.807871][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.807929][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.807961][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.808015][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.808052][ T32] r4:84e5a340 [ 1334.808081][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.808117][ T32] INFO: task kworker/1:478:4776 blocked for more than 461 seconds. [ 1334.808178][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.808206][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.808229][ T32] task:kworker/1:478 state:D stack:0 pid:4776 tgid:4776 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.808409][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.808539][ T32] Call trace: [ 1334.808617][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.808674][ T32] r10:8291880c r9:eb185d84 r8:00000002 r7:60000113 r6:eb185d8c r5:84e4bc00 [ 1334.808748][ T32] r4:84e4bc00 [ 1334.808823][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1334.808868][ T32] r5:84e4bc00 r4:82918808 [ 1334.808889][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.808925][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.808992][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb185e08 [ 1334.809052][ T32] r4:00000000 [ 1334.809101][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1334.809141][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1334.809210][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.809265][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8521e780 [ 1334.809340][ T32] r4:00000000 [ 1334.809366][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.809413][ T32] r9:83018205 r8:84e4bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f035000 [ 1334.809436][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.809503][ T32] r5:00001000 r4:dfb09000 [ 1334.809528][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.809567][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.809609][ T32] r5:85355f8c r4:85355c00 [ 1334.809630][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 4 printk messages dropped ** [ 1334.824077][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1334.824642][ T32] r4:8521e6c0 ** 5 printk messages dropped ** [ 1334.826158][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 5 printk messages dropped ** [ 1334.826762][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 10 printk messages dropped ** [ 1334.827459][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 9 printk messages dropped ** [ 1334.828185][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1334.828531][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1334.829013][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1334.829653][ T32] r4:84e4a400 ** 5 printk messages dropped ** [ 1334.844726][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1334.845064][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1334.845346][ T32] r5:00001000 r4:dfea3000 [ 1334.845386][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1334.845844][ T32] r10:61c88647 r9:84e4a400 r8:851e9c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1334.846518][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1334.848002][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1334.848312][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 9 printk messages dropped ** [ 1334.848987][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1334.868048][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.868101][ T32] r4:8454d780 [ 1334.868126][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.868199][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.868275][ T32] r4:00000001 [ 1334.868306][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.868349][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.868405][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.868442][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.868496][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.868569][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.868619][ T32] r4:84e5a340 [ 1334.868648][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.868716][ T32] INFO: task kworker/1:480:4779 blocked for more than 461 seconds. [ 1334.868818][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.868857][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.868897][ T32] task:kworker/1:480 state:D stack:0 pid:4779 tgid:4779 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.868989][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.869038][ T32] Call trace: [ 1334.869077][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.869130][ T32] r10:8291880c r9:eb19dd84 r8:00000002 r7:60000113 r6:eb19dd8c r5:84e4c800 [ 1334.869152][ T32] r4:84e4c800 [ 1334.869198][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1334.869248][ T32] r5:84e4c800 r4:82918808 [ 1334.869313][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.869360][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.869428][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb19de08 [ 1334.869457][ T32] r4:00000000 [ 1334.869515][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1334.869571][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1334.869646][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.873527][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8521e900 [ 1334.873614][ T32] r4:00000000 [ 1334.873691][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.873762][ T32] r9:83018205 r8:84e4c800 r7:00000000 r6:83018200 r5:00001000 r4:7f037000 [ 1334.873862][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.873914][ T32] r5:00001000 r4:dfdfd000 [ 1334.873960][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.874050][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.874125][ T32] r5:8535638c r4:85356000 [ 1334.874227][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.874305][ T32] r7:ddde2d80 r6:83018200 r5:8535638c r4:851e9c80 [ 1334.874335][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.874384][ T32] r10:61c88647 r9:84e4c800 r8:851e9cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.874407][ T32] r4:851e9c80 [ 1334.874426][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.874471][ T32] r10:00000000 r9:851e9c80 r8:8027f5e8 r7:eb191e60 r6:851cb700 r5:84e4c800 [ 1334.874494][ T32] r4:00000001 [ 1334.874513][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.874575][ T32] Exception stack(0xeb19dfb0 to 0xeb19dff8) [ 1334.874610][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1334.874638][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.874665][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.874694][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.874717][ T32] r4:8521e3c0 [ 1334.875205][ T32] INFO: task kworker/1:480:4779 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.875241][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.875314][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.875383][ T32] Call trace: [ 1334.875509][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.875563][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.875587][ T32] r4:00000000 [ 1334.875606][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.875642][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.875721][ T32] 9d20: a4261000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.875780][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.875836][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.875863][ T32] r5:80070013 r4:80239bb0 [ 1334.875959][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.876008][ T32] r4:82ac11a4 [ 1334.876028][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.876076][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.876099][ T32] r4:e47b9dc0 [ 1334.876118][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1334.876411][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1334.876761][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1334.877150][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1334.877623][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1334.878144][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1334.878624][ T32] r9:83018205 r8:853db000 r7:00000000 r6:83018200 r5:00001000 r4:7f03d000 ** 1 printk messages dropped ** [ 1334.878733][ T32] r5:00001000 r4:e0713000 ** 3 printk messages dropped ** [ 1334.878918][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1334.879275][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1334.879373][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.879421][ T32] r4:8521e800 [ 1334.900982][ T32] INFO: task kworker/1:481:4782 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1334.901206][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.901395][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.901523][ T32] Call trace: [ 1334.901612][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.901742][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.901812][ T32] r4:00000000 [ 1334.901857][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.901941][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.901998][ T32] 9d20: a45e1000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.902058][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.902111][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.902180][ T32] r5:80070013 r4:80239bb0 [ 1334.902262][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.902365][ T32] r4:82ac11a4 [ 1334.902406][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.902492][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.902554][ T32] r4:e47b9dc0 [ 1334.902608][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.902717][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.902770][ T32] r4:00000000 [ 1334.902837][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.902931][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.902979][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.903070][ T32] r5:00001000 r4:ece91000 [ 1334.903133][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.903233][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.903378][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.903427][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.903524][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.903572][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.903659][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.903705][ T32] r4:8454d780 [ 1334.903744][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.903833][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.903904][ T32] r4:00000001 [ 1334.903982][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.904075][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.904158][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.904231][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.904295][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.904368][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.904423][ T32] r4:84e5a340 [ 1334.904476][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.904537][ T32] INFO: task kworker/1:482:4783 blocked for more than 461 seconds. [ 1334.904609][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.904640][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.904662][ T32] task:kworker/1:482 state:D stack:0 pid:4783 tgid:4783 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.904778][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.904897][ T32] Call trace: [ 1334.904996][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.905105][ T32] r10:8291880c r9:eb365d84 r8:00000002 r7:60000013 r6:eb365d8c r5:853de000 [ 1334.905162][ T32] r4:853de000 [ 1334.905214][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1334.905317][ T32] r5:853de000 r4:82918808 [ 1334.905363][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.905438][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.905515][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb365e08 [ 1334.905576][ T32] r4:00000000 [ 1334.905637][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1334.905736][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1334.905854][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 3 printk messages dropped ** [ 1334.906158][ T32] r9:83018205 r8:853de000 r7:00000000 r6:83018200 r5:00001000 r4:7f03b000 ** 1 printk messages dropped ** [ 1334.906352][ T32] r5:00001000 r4:e069b000 [ 1334.906396][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1334.906755][ T32] r7:ddde2d80 r6:83018200 r5:85356b8c r4:851e9e00 ** 7 printk messages dropped ** [ 1334.907323][ T32] Exception stack(0xeb365fb0 to 0xeb365ff8) ** 6 printk messages dropped ** [ 1334.908643][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 14 printk messages dropped ** [ 1334.937185][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 9 printk messages dropped ** [ 1334.937633][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1334.938017][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1334.938339][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1334.938479][ T32] task:kworker/1:483 state:D stack:0 pid:4786 tgid:4786 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1334.939088][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1334.939380][ T32] r5:00001000 r4:ea8cf000 ** 1 printk messages dropped ** [ 1334.939448][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1334.953351][ T32] Exception stack(0xeb1a9fb0 to 0xeb1a9ff8) ** 6 printk messages dropped ** [ 1334.954350][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.954447][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.954529][ T32] Call trace: [ 1334.954641][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1334.954720][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1334.954748][ T32] r4:00000000 [ 1334.954768][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1334.954806][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.954861][ T32] 9d20: a4d2a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.954911][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.954938][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.954983][ T32] r5:80070013 r4:80239bb0 [ 1334.955008][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.955061][ T32] r4:82ac11a4 [ 1334.955097][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.955149][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.955172][ T32] r4:e47b9dc0 [ 1334.955212][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.955257][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.955324][ T32] r4:00000000 [ 1334.955349][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.955395][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.955416][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.955498][ T32] r5:00001000 r4:ece91000 [ 1334.955524][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.955566][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.955608][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.955631][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.955710][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.955732][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.955779][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.955831][ T32] r4:8454d780 [ 1334.955874][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.955926][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.955950][ T32] r4:00000001 [ 1334.955969][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.956047][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.956107][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.956164][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1334.956248][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1334.956459][ T32] task:kworker/1:484 state:D stack:0 pid:4788 tgid:4788 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 13 printk messages dropped ** [ 1334.957157][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1334.957449][ T32] r5:00001000 r4:ea93d000 [ 1334.957487][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1334.957807][ T32] r7:ddde2d80 r6:83018200 r5:8535778c r4:8522d000 ** 9 printk messages dropped ** [ 1334.958484][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1334.959433][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 5 printk messages dropped ** [ 1334.959634][ T32] r4:82ac11a4 [ 1334.959697][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.967062][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.967110][ T32] r4:e47b9dc0 [ 1334.967136][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.967228][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.967257][ T32] r4:00000000 [ 1334.967283][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.967341][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.967364][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.967410][ T32] r5:00001000 r4:ece91000 [ 1334.967430][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.967468][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.967536][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.967561][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.967609][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.967655][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.967754][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.967781][ T32] r4:8454d780 [ 1334.967815][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.967863][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.967886][ T32] r4:00000001 [ 1334.967906][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1334.967943][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1334.967997][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1334.968029][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1334.968078][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1334.968138][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1334.968189][ T32] r4:84e5a340 [ 1334.968241][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1334.968312][ T32] INFO: task kworker/1:485:4790 blocked for more than 461 seconds. [ 1334.968376][ T32] Not tainted 6.15.0-syzkaller #0 [ 1334.968407][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1334.968480][ T32] task:kworker/1:485 state:D stack:0 pid:4790 tgid:4790 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1334.968570][ T32] Workqueue: events bpf_prog_free_deferred [ 1334.968615][ T32] Call trace: [ 1334.968649][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1334.968728][ T32] r10:8291880c r9:eb1d1d84 r8:00000002 r7:60000113 r6:eb1d1d8c r5:853d9800 [ 1334.968754][ T32] r4:853d9800 [ 1334.968775][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1334.968816][ T32] r5:853d9800 r4:82918808 [ 1334.968886][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1334.968927][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1334.968974][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1d1e08 [ 1334.968999][ T32] r4:00000000 [ 1334.969019][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1334.969058][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 1 printk messages dropped ** [ 1334.969220][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85231040 ** 4 printk messages dropped ** [ 1334.969441][ T32] r5:00001000 r4:eabcb000 [ 1334.969460][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1334.969580][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1334.983624][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1334.984637][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1334.984724][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1334.984756][ T32] 9d20: a4f71000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1334.984785][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1334.984812][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1334.984836][ T32] r5:80070013 r4:80239bb0 [ 1334.984857][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1334.984905][ T32] r4:82ac11a4 [ 1334.984950][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1334.985027][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1334.985053][ T32] r4:e47b9dc0 [ 1334.985073][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1334.985117][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1334.985139][ T32] r4:00000000 [ 1334.985183][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1334.985233][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1334.985256][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.985298][ T32] r5:00001000 r4:ece91000 [ 1334.985324][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1334.985369][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1334.985414][ T32] r5:85a7af8c r4:85a7ac00 [ 1334.985433][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1334.985479][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1334.985499][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1334.985568][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1334.985596][ T32] r4:8454d780 [ 1334.985620][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1334.985666][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1334.985690][ T32] r4:00000001 [ 1334.985760][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 5 printk messages dropped ** [ 1334.985931][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1334.986315][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1334.986868][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1334.987554][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1334.987773][ T32] r5:00001000 r4:eac21000 [ 1334.987798][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1334.988052][ T32] r7:ddde2d80 r6:83018200 r5:85357f8c r4:8522d200 ** 9 printk messages dropped ** [ 1334.988454][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1334.988999][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1334.989291][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 10 printk messages dropped ** [ 1334.989611][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1335.008147][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1335.008410][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1335.008732][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1335.009231][ T32] r4:853e0c00 ** 4 printk messages dropped ** [ 1335.009461][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1ede08 ** 9 printk messages dropped ** [ 1335.016834][ T32] r5:00001000 r4:eac9f000 [ 1335.016854][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1335.017039][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1335.017516][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.018537][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1335.018953][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1335.019349][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1335.032963][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1335.033391][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1335.033674][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.034096][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.034146][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb209e08 [ 1335.034170][ T32] r4:00000000 [ 1335.034226][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.034297][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.034374][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.034423][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85231440 [ 1335.034446][ T32] r4:00000000 [ 1335.034470][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.034519][ T32] r9:83018205 r8:853e1800 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1335.034542][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.034608][ T32] r5:00001000 r4:eac65000 [ 1335.034634][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.034675][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.034741][ T32] r5:8544438c r4:85444000 [ 1335.034766][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.034836][ T32] r7:ddde2d80 r6:83018200 r5:8544438c r4:8522d400 [ 1335.034866][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.034938][ T32] r10:61c88647 r9:853e1800 r8:8522d42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.034963][ T32] r4:8522d400 [ 1335.034983][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.035027][ T32] r10:00000000 r9:8522d400 r8:8027f5e8 r7:eb1ede60 r6:8522d480 r5:853e1800 [ 1335.035050][ T32] r4:00000001 [ 1335.035069][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.035116][ T32] Exception stack(0xeb209fb0 to 0xeb209ff8) [ 1335.035147][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.035175][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.035201][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.035232][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.035255][ T32] r4:852312c0 [ 1335.035744][ T32] INFO: task kworker/1:488:4796 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.035780][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.035840][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.035913][ T32] Call trace: [ 1335.036019][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.036143][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.036222][ T32] r4:00000000 [ 1335.036248][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.036289][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.036324][ T32] 9d20: a5746000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.036379][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.036412][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.036456][ T32] r5:80070013 r4:80239bb0 [ 1335.036480][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.036528][ T32] r4:82ac11a4 [ 1335.036563][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.036614][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.036637][ T32] r4:e47b9dc0 [ 1335.036669][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.036717][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.036740][ T32] r4:00000000 [ 1335.036760][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.036804][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.036832][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.036922][ T32] r5:00001000 r4:ece91000 [ 1335.036975][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.037063][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.037108][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.037205][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.037295][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.037327][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1335.037549][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1335.037768][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1335.037956][ T32] task:kworker/1:489 state:D stack:0 pid:4798 tgid:4798 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1335.038620][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1335.038853][ T32] r5:00001000 r4:ead7f000 [ 1335.038872][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1335.039063][ T32] r7:ddde2d80 r6:83018200 r5:8544578c r4:8522d500 ** 9 printk messages dropped ** [ 1335.039415][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1335.051840][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.052334][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 12 printk messages dropped ** [ 1335.052889][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1335.053412][ T32] r4:8454d780 ** 6 printk messages dropped ** [ 1335.053652][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.053993][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.054384][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1335.054853][ T32] r5:00001000 r4:eacef000 [ 1335.054894][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1335.055046][ T32] r7:ddde2d80 r6:83018200 r5:85444b8c r4:8522d600 ** 5 printk messages dropped ** [ 1335.055306][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1335.055557][ T32] r4:85231680 ** 5 printk messages dropped ** [ 1335.056319][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 10 printk messages dropped ** [ 1335.056854][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.056875][ T32] r4:e47b9dc0 [ 1335.056918][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.056971][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.057069][ T32] r4:00000000 [ 1335.057172][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.057225][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.057283][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.057368][ T32] r5:00001000 r4:ece91000 [ 1335.057399][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.057438][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.057519][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.057592][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.057649][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.057670][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.057743][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.057826][ T32] r4:8454d780 [ 1335.057850][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.057896][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.057920][ T32] r4:00000001 [ 1335.057939][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.057974][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.058000][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.058060][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.058097][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.058127][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.058151][ T32] r4:84e5a340 [ 1335.058170][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.058238][ T32] INFO: task kworker/1:491:4801 blocked for more than 461 seconds. [ 1335.058274][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.058298][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.058371][ T32] task:kworker/1:491 state:D stack:0 pid:4801 tgid:4801 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.058428][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.058494][ T32] Call trace: [ 1335.058648][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.058700][ T32] r10:8291880c r9:eb1b5d84 r8:00000002 r7:60000113 r6:eb1b5d8c r5:853e3c00 [ 1335.058723][ T32] r4:853e3c00 [ 1335.058743][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.058782][ T32] r5:853e3c00 r4:82918808 [ 1335.058803][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.058839][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.058882][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb1b5e08 [ 1335.058921][ T32] r4:00000000 [ 1335.058971][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.059011][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.059068][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.059116][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85231900 [ 1335.059139][ T32] r4:00000000 [ 1335.059158][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.059202][ T32] r9:83018205 r8:853e3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f04d000 [ 1335.059223][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.059262][ T32] r5:00001000 r4:ead31000 [ 1335.059282][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.059330][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.059389][ T32] r5:85444f8c r4:85444c00 [ 1335.059413][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.059570][ T32] r7:ddde2d80 r6:83018200 r5:85444f8c r4:8522d700 [ 1335.059618][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.059709][ T32] r10:61c88647 r9:853e3c00 r8:8522d72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.080654][ T32] r4:8522d700 [ 1335.080745][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.080866][ T32] r10:00000000 r9:8522d700 r8:8027f5e8 r7:eb215e60 r6:8522d780 r5:853e3c00 [ 1335.080915][ T32] r4:00000001 [ 1335.080942][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.080984][ T32] Exception stack(0xeb1b5fb0 to 0xeb1b5ff8) [ 1335.081015][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1335.081060][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.081098][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.081149][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.081187][ T32] r4:85231840 [ 1335.081696][ T32] INFO: task kworker/1:491:4801 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.081748][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.081829][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.081882][ T32] Call trace: [ 1335.081941][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 1 printk messages dropped ** [ 1335.082023][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1335.082315][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 16 printk messages dropped ** [ 1335.083190][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1335.083782][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1335.084106][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1335.084811][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb251e08 ** 9 printk messages dropped ** [ 1335.085210][ T32] r5:00001000 r4:ead53000 [ 1335.085270][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1335.085415][ T32] r7:ddde2d80 r6:83018200 r5:8544538c r4:8522d800 ** 9 printk messages dropped ** [ 1335.085834][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.086594][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1335.086903][ T32] r4:82ac11a4 [ 1335.086923][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.086968][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.087014][ T32] r4:e47b9dc0 [ 1335.087038][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.087090][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.087113][ T32] r4:00000000 [ 1335.087133][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.087201][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.087228][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.087271][ T32] r5:00001000 r4:ece91000 [ 1335.087291][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.087336][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.087378][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.087424][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.087475][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.087521][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.087570][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.087619][ T32] r4:8454d780 [ 1335.087646][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.087824][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.087851][ T32] r4:00000001 [ 1335.087885][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.087924][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.087953][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.088009][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.088060][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.088120][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.088146][ T32] r4:84e5a340 [ 1335.088168][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.088220][ T32] INFO: task kworker/1:493:4805 blocked for more than 461 seconds. [ 1335.088434][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.088461][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.088483][ T32] task:kworker/1:493 state:D stack:0 pid:4805 tgid:4805 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.088561][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.088649][ T32] Call trace: [ 1335.088757][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.088811][ T32] r10:8291880c r9:eb269d84 r8:00000002 r7:60000013 r6:eb269d8c r5:853e5400 [ 1335.088834][ T32] r4:853e5400 [ 1335.088854][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.088892][ T32] r5:853e5400 r4:82918808 [ 1335.088911][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.089004][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.089056][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb269e08 [ 1335.089132][ T32] r4:00000000 [ 1335.089156][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.089191][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.089229][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.089272][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85231d80 [ 1335.089353][ T32] r4:00000000 [ 1335.089405][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.089474][ T32] r9:83018205 r8:853e5400 r7:00000000 r6:83018200 r5:00001000 r4:7f053000 [ 1335.089497][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.089539][ T32] r5:00001000 r4:eae41000 [ 1335.089609][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.089653][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.089694][ T32] r5:85445b8c r4:85445800 [ 1335.089714][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.089802][ T32] r7:ddde2d80 r6:83018200 r5:85445b8c r4:8522d900 [ 1335.117247][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.117397][ T32] r10:61c88647 r9:853e5400 r8:8522d92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.117427][ T32] r4:8522d900 [ 1335.117449][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.117498][ T32] r10:00000000 r9:8522d900 r8:8027f5e8 r7:eb215e60 r6:8522d980 r5:853e5400 [ 1335.117521][ T32] r4:00000001 [ 1335.117540][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.117578][ T32] Exception stack(0xeb269fb0 to 0xeb269ff8) [ 1335.117608][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.117636][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1335.118418][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1335.119005][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1335.119330][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1335.133839][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1335.134339][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1335.134731][ T32] task:kworker/1:494 state:D stack:0 pid:4808 tgid:4808 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1335.135364][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1335.135716][ T32] r5:00001000 r4:eae99000 [ 1335.135737][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1335.135977][ T32] r10:61c88647 r9:853e6000 r8:8522da2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1335.136360][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1335.137383][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 2 printk messages dropped ** [ 1335.137474][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.137498][ T32] r5:80070013 r4:80239bb0 [ 1335.137544][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.137597][ T32] r4:82ac11a4 [ 1335.137619][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.137665][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.137688][ T32] r4:e47b9dc0 [ 1335.137749][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.137836][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.137862][ T32] r4:00000000 [ 1335.137883][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.137936][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.137961][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.138002][ T32] r5:00001000 r4:ece91000 [ 1335.138022][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.138120][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.138234][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.138323][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.138381][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.138426][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.138497][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.138521][ T32] r4:8454d780 [ 1335.138567][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.138620][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.138644][ T32] r4:00000001 [ 1335.138663][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.138817][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.138873][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.138906][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.138935][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.138969][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.139014][ T32] r4:84e5a340 [ 1335.139059][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.139093][ T32] INFO: task kworker/1:495:4811 blocked for more than 461 seconds. [ 1335.139124][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.139149][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.139175][ T32] task:kworker/1:495 state:D stack:0 pid:4811 tgid:4811 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.139254][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.139295][ T32] Call trace: [ 1335.139400][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.139452][ T32] r10:8291880c r9:eb291d84 r8:00000002 r7:60000013 r6:eb291d8c r5:853e6c00 [ 1335.139477][ T32] r4:853e6c00 [ 1335.139497][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.139536][ T32] r5:853e6c00 r4:82918808 [ 1335.139580][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.139621][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 1 printk messages dropped ** [ 1335.139713][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1335.152580][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1335.152786][ T32] r5:00001000 r4:eb007000 [ 1335.152808][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1335.152893][ T32] r5:8544638c r4:85446000 ** 3 printk messages dropped ** [ 1335.153024][ T32] r10:61c88647 r9:853e6c00 r8:8522db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1335.153281][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.154487][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1335.154860][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1335.155072][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1335.155480][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1335.155859][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 9 printk messages dropped ** [ 1335.156283][ T32] INFO: task kworker/1:496:4812 blocked for more than 461 seconds. ** 6 printk messages dropped ** [ 1335.156716][ T32] r10:8291880c r9:eb275d84 r8:00000002 r7:60000113 r6:eb275d8c r5:853e8000 ** 8 printk messages dropped ** [ 1335.157117][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1335.157562][ T32] r5:00001000 r4:eb103000 [ 1335.157666][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1335.157775][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1335.158551][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.159612][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1335.183258][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1335.183546][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1335.183780][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1335.183996][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1335.184458][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1335.184958][ T32] r10:8291880c r9:eb2a9d84 r8:00000002 r7:60000013 r6:eb2a9d8c r5:853e9800 ** 8 printk messages dropped ** [ 1335.185265][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1335.185558][ T32] r5:00001000 r4:eb14b000 [ 1335.185606][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.185665][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.185710][ T32] r5:85446b8c r4:85446800 [ 1335.185730][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.185773][ T32] r7:ddde2d80 r6:83018200 r5:85446b8c r4:8522dd00 [ 1335.185792][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.185866][ T32] r10:61c88647 r9:853e9800 r8:8522dd2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.185917][ T32] r4:8522dd00 [ 1335.185940][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.185985][ T32] r10:00000000 r9:8522dd00 r8:8027f5e8 r7:eb275e60 r6:8522dd80 r5:853e9800 [ 1335.186010][ T32] r4:00000001 [ 1335.186075][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.186117][ T32] Exception stack(0xeb2a9fb0 to 0xeb2a9ff8) [ 1335.186145][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.186173][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.186245][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.186278][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.186302][ T32] r4:852c2080 [ 1335.186808][ T32] INFO: task kworker/1:497:4813 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.186874][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.186937][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.187009][ T32] Call trace: [ 1335.187056][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.187106][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.187143][ T32] r4:00000000 [ 1335.187167][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.187217][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.187287][ T32] 9d20: a6843000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.187345][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.187410][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.187438][ T32] r5:80070013 r4:80239bb0 [ 1335.187470][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.187519][ T32] r4:82ac11a4 [ 1335.187551][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.187603][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.187637][ T32] r4:e47b9dc0 [ 1335.187686][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.187735][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.187783][ T32] r4:00000000 [ 1335.187807][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.187899][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.187950][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.188023][ T32] r5:00001000 r4:ece91000 [ 1335.188046][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.188091][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.188133][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.188179][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.188247][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.188276][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.188411][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.188437][ T32] r4:8454d780 [ 1335.188458][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.188506][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.188556][ T32] r4:00000001 [ 1335.188579][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.188616][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.188643][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.188671][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.188830][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.188863][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.188953][ T32] r4:84e5a340 [ 1335.188981][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.189061][ T32] INFO: task kworker/1:498:4817 blocked for more than 461 seconds. [ 1335.189125][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.189154][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.189177][ T32] task:kworker/1:498 state:D stack:0 pid:4817 tgid:4817 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.189276][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.189520][ T32] Call trace: [ 1335.189556][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.189640][ T32] r10:8291880c r9:eb2c1d84 r8:00000002 r7:60000013 r6:eb2c1d8c r5:853eb000 [ 1335.189667][ T32] r4:853eb000 [ 1335.189689][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.207709][ T32] r5:853eb000 r4:82918808 [ 1335.207870][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.208000][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.208134][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2c1e08 ** 2 printk messages dropped ** [ 1335.208224][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1335.208674][ T32] r5:00001000 r4:eb17d000 [ 1335.208694][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1335.208795][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1335.209310][ T32] Exception stack(0xeb2c1fb0 to 0xeb2c1ff8) ** 4 printk messages dropped ** [ 1335.209459][ T32] r4:852c2380 ** 2 printk messages dropped ** [ 1335.220908][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.221308][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 9 printk messages dropped ** [ 1335.221663][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1335.221935][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1335.222330][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1335.222571][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1335.223057][ T32] r4:84e4ec00 ** 4 printk messages dropped ** [ 1335.223282][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb29de08 ** 8 printk messages dropped ** [ 1335.223620][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.223661][ T32] r5:00001000 r4:eb293000 [ 1335.223681][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.223745][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.223824][ T32] r5:85447f8c r4:85447c00 [ 1335.223885][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.223939][ T32] r7:ddde2d80 r6:83018200 r5:85447f8c r4:8522df00 [ 1335.223961][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.224006][ T32] r10:61c88647 r9:84e4ec00 r8:8522df2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.224028][ T32] r4:8522df00 [ 1335.224062][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.224110][ T32] r10:00000000 r9:8522df00 r8:8027f5e8 r7:eb2c1e60 r6:851cb780 r5:84e4ec00 [ 1335.224139][ T32] r4:00000001 [ 1335.224177][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.224218][ T32] Exception stack(0xeb29dfb0 to 0xeb29dff8) [ 1335.224272][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.224308][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.224336][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.224364][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.224391][ T32] r4:852c2540 [ 1335.224832][ T32] INFO: task kworker/1:499:4818 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.224869][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.224928][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.224973][ T32] Call trace: [ 1335.225164][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.225251][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.225280][ T32] r4:00000000 [ 1335.225306][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.225370][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.225404][ T32] 9d20: a6db8000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.225435][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.225523][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.225584][ T32] r5:80070013 r4:80239bb0 [ 1335.225635][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.225684][ T32] r4:82ac11a4 [ 1335.225756][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.225806][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.225830][ T32] r4:e47b9dc0 [ 1335.225851][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.225895][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.225916][ T32] r4:00000000 [ 1335.225935][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.225996][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.226024][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.226074][ T32] r5:00001000 r4:ece91000 [ 1335.226120][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.226210][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.226294][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.226332][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.226399][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.226449][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1335.226641][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1335.226976][ T32] r4:84e5a340 [ 1335.227002][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.227180][ T32] INFO: task kworker/0:347:4821 blocked for more than 461 seconds. [ 1335.227216][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.227241][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.227388][ T32] task:kworker/0:347 state:D stack:0 pid:4821 tgid:4821 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.227504][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.227605][ T32] Call trace: [ 1335.227666][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.227716][ T32] r10:8291880c r9:eb2b1d84 r8:00000002 r7:60000113 r6:eb2b1d8c r5:84e4e000 [ 1335.227791][ T32] r4:84e4e000 [ 1335.227816][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.227908][ T32] r5:84e4e000 r4:82918808 [ 1335.227931][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.227996][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.228041][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb2b1e08 [ 1335.228094][ T32] r4:00000000 [ 1335.228143][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.228229][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.228297][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.228368][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852bd880 [ 1335.228405][ T32] r4:00000000 [ 1335.228481][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.228529][ T32] r9:83018005 r8:84e4e000 r7:00000000 r6:83018000 r5:00001000 r4:7f09d000 [ 1335.228550][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.228590][ T32] r5:00001000 r4:eb1d3000 [ 1335.228610][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.228665][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.228741][ T32] r5:853b7f8c r4:853b7c00 [ 1335.228791][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.228843][ T32] r7:dddced80 r6:83018000 r5:853b7f8c r4:851cb800 [ 1335.228865][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.228927][ T32] r10:61c88647 r9:84e4e000 r8:851cb82c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1335.228954][ T32] r4:851cb800 [ 1335.228974][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.229031][ T32] r10:00000000 r9:851cb800 r8:8027f5e8 r7:eb2a1e60 r6:851cb880 r5:84e4e000 [ 1335.229095][ T32] r4:00000001 [ 1335.229117][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.229154][ T32] Exception stack(0xeb2b1fb0 to 0xeb2b1ff8) [ 1335.229180][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1335.229230][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.229260][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.229289][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.229312][ T32] r4:852bd7c0 [ 1335.229649][ T32] INFO: task kworker/0:347:4821 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.229683][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.250275][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1335.250679][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1335.250963][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 8 printk messages dropped ** [ 1335.251249][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1335.251481][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1335.251851][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1335.252018][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1335.252346][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.252763][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1335.253266][ T32] r5:00001000 r4:eb205000 [ 1335.253328][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1335.253456][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1335.253616][ T32] r10:61c88647 r9:84e4d400 r8:8522dfac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.253642][ T32] r4:8522df80 [ 1335.253707][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.253755][ T32] r10:00000000 r9:8522df80 r8:8027f5e8 r7:eb29de60 r6:851cb900 r5:84e4d400 [ 1335.253779][ T32] r4:00000001 [ 1335.253799][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.253835][ T32] Exception stack(0xeb2d1fb0 to 0xeb2d1ff8) [ 1335.253892][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1335.253930][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.253961][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.253990][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.254013][ T32] r4:852c2800 [ 1335.254567][ T32] INFO: task kworker/1:500:4823 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.254608][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.254670][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.254716][ T32] Call trace: [ 1335.254747][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.254819][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.254848][ T32] r4:00000000 [ 1335.254870][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.254916][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.254948][ T32] 9d20: a714d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.255003][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.255034][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.255069][ T32] r5:80070013 r4:80239bb0 [ 1335.255092][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.255138][ T32] r4:82ac11a4 [ 1335.255159][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.255205][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.255228][ T32] r4:e47b9dc0 [ 1335.255249][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.255291][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.255325][ T32] r4:00000000 [ 1335.255379][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.255443][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.255467][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.255616][ T32] r5:00001000 r4:ece91000 [ 1335.255668][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.255716][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.255760][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.255782][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.255905][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.255947][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.256024][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.256142][ T32] r4:8454d780 [ 1335.256185][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1335.256319][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1335.256796][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1335.257132][ T32] r4:84e49800 ** 4 printk messages dropped ** [ 1335.257406][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb36de08 ** 9 printk messages dropped ** [ 1335.257898][ T32] r5:00001000 r4:eb21d000 [ 1335.257945][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.258042][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.258096][ T32] r5:8454bb8c r4:8454b800 [ 1335.258131][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.258251][ T32] r7:dddced80 r6:83018000 r5:8454bb8c r4:851cb980 [ 1335.258309][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.258365][ T32] r10:61c88647 r9:84e49800 r8:851cb9ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1335.258389][ T32] r4:851cb980 [ 1335.258409][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.258453][ T32] r10:00000000 r9:851cb980 r8:8027f5e8 r7:eb2a1e60 r6:851cba00 r5:84e49800 [ 1335.258478][ T32] r4:00000001 [ 1335.258499][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.258549][ T32] Exception stack(0xeb36dfb0 to 0xeb36dff8) [ 1335.258581][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.258615][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.258670][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.258704][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.258727][ T32] r4:852bd7c0 [ 1335.259125][ T32] INFO: task kworker/0:348:4825 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.259165][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.259310][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.259457][ T32] Call trace: [ 1335.259492][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.259543][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 5 printk messages dropped ** [ 1335.288785][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 8 printk messages dropped ** [ 1335.290716][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1335.290998][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1335.291334][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1335.291643][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1335.291809][ T32] task:kworker/1:501 state:D stack:0 pid:4826 tgid:4826 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1335.292697][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1335.293215][ T32] r5:00001000 r4:eb24d000 [ 1335.293235][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1335.293573][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1335.293970][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1335.294796][ T32] INFO: task kworker/1:501:4826 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.294835][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.294895][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.294957][ T32] Call trace: [ 1335.295002][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.295062][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.295088][ T32] r4:00000000 [ 1335.295108][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.295145][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.295172][ T32] 9d20: a7517000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.295200][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.295226][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.295249][ T32] r5:80070013 r4:80239bb0 [ 1335.295269][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.295312][ T32] r4:82ac11a4 [ 1335.295333][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.295393][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.295445][ T32] r4:e47b9dc0 [ 1335.295479][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.295552][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.295580][ T32] r4:00000000 [ 1335.295625][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.295675][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.295698][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.295739][ T32] r5:00001000 r4:ece91000 [ 1335.295777][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.295849][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.295910][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.295934][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.295980][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.296001][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.296071][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1335.296216][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1335.296386][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1335.296635][ T32] task:kworker/0:349 state:D stack:0 pid:4828 tgid:4828 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1335.296903][ T32] r5:84ea9800 r4:82918808 [ 1335.296953][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.296994][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.297039][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb369e08 [ 1335.297069][ T32] r4:00000000 [ 1335.297116][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.297156][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.297221][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.297269][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852caa40 [ 1335.297317][ T32] r4:00000000 [ 1335.297353][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.297400][ T32] r9:83018005 r8:84ea9800 r7:00000000 r6:83018000 r5:00001000 r4:7f029000 [ 1335.297448][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.297493][ T32] r5:00001000 r4:dfc71000 [ 1335.297513][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.297586][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.297632][ T32] r5:853c878c r4:853c8400 [ 1335.297654][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.297697][ T32] r7:dddced80 r6:83018000 r5:853c878c r4:851cbb00 [ 1335.297754][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.297803][ T32] r10:61c88647 r9:84ea9800 r8:851cbb2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1335.297827][ T32] r4:851cbb00 [ 1335.297846][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.297940][ T32] r10:00000000 r9:851cbb00 r8:8027f5e8 r7:eb2a1e60 r6:851cbb80 r5:84ea9800 [ 1335.297966][ T32] r4:00000001 [ 1335.297985][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.298064][ T32] Exception stack(0xeb369fb0 to 0xeb369ff8) [ 1335.298150][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1335.298726][ T32] INFO: task kworker/0:349:4828 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 9 printk messages dropped ** [ 1335.299369][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 12 printk messages dropped ** [ 1335.321000][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 6 printk messages dropped ** [ 1335.321585][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.321671][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.321699][ T32] r4:8454d780 [ 1335.321720][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.321765][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.321807][ T32] r4:00000001 [ 1335.321831][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.321978][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.322057][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.322096][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.322123][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.322152][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.322175][ T32] r4:84e5a340 [ 1335.322219][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.322251][ T32] INFO: task kworker/1:502:4831 blocked for more than 461 seconds. [ 1335.322286][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.322312][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.322413][ T32] task:kworker/1:502 state:D stack:0 pid:4831 tgid:4831 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.322579][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.322633][ T32] Call trace: [ 1335.322697][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.322819][ T32] r10:8291880c r9:eb37dd84 r8:00000002 r7:60000113 r6:eb37dd8c r5:84cf8c00 ** 5 printk messages dropped ** [ 1335.323008][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb37de08 ** 9 printk messages dropped ** [ 1335.323711][ T32] r5:00001000 r4:eb265000 [ 1335.323734][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.323776][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1335.324025][ T32] r10:61c88647 r9:84cf8c00 r8:852bf0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 11 printk messages dropped ** [ 1335.324932][ T32] INFO: task kworker/1:502:4831 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 9 printk messages dropped ** [ 1335.325600][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 10 printk messages dropped ** [ 1335.326046][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1335.326521][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1335.326923][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1335.327424][ T32] r4:84cf8000 ** 5 printk messages dropped ** [ 1335.327673][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1335.328004][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1335.328163][ T32] r5:00001000 r4:eb3be000 ** 1 printk messages dropped ** [ 1335.328222][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1335.328505][ T32] r10:00000000 r9:852bf100 r8:8027f5e8 r7:eb29de60 r6:851cbc80 r5:84cf8000 ** 8 printk messages dropped ** [ 1335.329164][ T32] INFO: task kworker/1:503:4834 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.329198][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.329256][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.329300][ T32] Call trace: [ 1335.329376][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.329466][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.329493][ T32] r4:00000000 [ 1335.329513][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.329552][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.329579][ T32] 9d20: a7831000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.329607][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.329656][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.329691][ T32] r5:80070013 r4:80239bb0 [ 1335.329737][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.360341][ T32] r4:82ac11a4 [ 1335.360442][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.360575][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.360681][ T32] r4:e47b9dc0 [ 1335.360723][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.360802][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.360855][ T32] r4:00000000 [ 1335.360880][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.360930][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.360979][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.361059][ T32] r5:00001000 r4:ece91000 [ 1335.361085][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.361140][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.361191][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.361211][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.361260][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.361281][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.361344][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.361372][ T32] r4:8454d780 [ 1335.361392][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.361437][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.361460][ T32] r4:00000001 [ 1335.361479][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.361515][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.361544][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.361586][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.361643][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.361724][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.361750][ T32] r4:84e5a340 [ 1335.361775][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.361818][ T32] INFO: task kworker/1:504:4836 blocked for more than 461 seconds. [ 1335.361856][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.361882][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.361904][ T32] task:kworker/1:504 state:D stack:0 pid:4836 tgid:4836 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.362072][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.362119][ T32] Call trace: [ 1335.362235][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.362318][ T32] r10:8291880c r9:eb399d84 r8:00000002 r7:60000113 r6:eb399d8c r5:84cf9800 [ 1335.362372][ T32] r4:84cf9800 [ 1335.362436][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.362481][ T32] r5:84cf9800 r4:82918808 [ 1335.362527][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.362570][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.362612][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb399e08 [ 1335.362634][ T32] r4:00000000 [ 1335.362652][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.362686][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1335.363026][ T32] r5:00001000 r4:eb2bd000 [ 1335.363045][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.363109][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1335.363533][ T32] r10:00000000 r9:852bf180 r8:8027f5e8 r7:eb395e60 r6:851cbd00 r5:84cf9800 ** 9 printk messages dropped ** [ 1335.364293][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1335.364885][ T32] r4:82ac11a4 ** 8 printk messages dropped ** [ 1335.365275][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 9 printk messages dropped ** [ 1335.365701][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1335.366036][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1335.366680][ T32] r4:84cfb000 ** 4 printk messages dropped ** [ 1335.366924][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb39de08 ** 9 printk messages dropped ** [ 1335.367427][ T32] r5:00001000 r4:eb385000 [ 1335.367452][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.367493][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.367534][ T32] r5:8545078c r4:85450400 [ 1335.367554][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.367647][ T32] r7:ddde2d80 r6:83018200 r5:8545078c r4:852bf200 [ 1335.367678][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.367758][ T32] r10:61c88647 r9:84cfb000 r8:852bf22c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.367811][ T32] r4:852bf200 [ 1335.367834][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.367894][ T32] r10:00000000 r9:852bf200 r8:8027f5e8 r7:eb395e60 r6:851cbd80 r5:84cfb000 [ 1335.367921][ T32] r4:00000001 [ 1335.367941][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.368030][ T32] Exception stack(0xeb39dfb0 to 0xeb39dff8) [ 1335.368095][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.368131][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.368210][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.368243][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.368267][ T32] r4:852c2ec0 [ 1335.368627][ T32] INFO: task kworker/1:505:4837 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.368688][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.368779][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.368855][ T32] Call trace: [ 1335.368897][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.368994][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.369044][ T32] r4:00000000 [ 1335.369077][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.369116][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.369144][ T32] 9d20: a7eb6000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.369173][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.369252][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.369313][ T32] r5:80070013 r4:80239bb0 [ 1335.369366][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.369419][ T32] r4:82ac11a4 [ 1335.369441][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.369488][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.369643][ T32] r4:e47b9dc0 [ 1335.369667][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.369788][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.392966][ T32] r4:00000000 [ 1335.393036][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.393157][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.393193][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.393265][ T32] r5:00001000 r4:ece91000 [ 1335.393305][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.393370][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.393482][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.393522][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.393645][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.393690][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.393766][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.393847][ T32] r4:8454d780 [ 1335.393884][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.393957][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.394016][ T32] r4:00000001 [ 1335.394055][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.394117][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 1 printk messages dropped ** [ 1335.394237][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.394774][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1335.395386][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb3a1e08 ** 9 printk messages dropped ** [ 1335.396066][ T32] r5:00001000 r4:eb391000 [ 1335.396101][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.396166][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1335.396368][ T32] r7:ddde2d80 r6:83018200 r5:85450b8c r4:852bf280 ** 7 printk messages dropped ** [ 1335.396732][ T32] Exception stack(0xeb3a1fb0 to 0xeb3a1ff8) ** 6 printk messages dropped ** [ 1335.397935][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 14 printk messages dropped ** [ 1335.399069][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 5 printk messages dropped ** [ 1335.399477][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.399563][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.399650][ T32] r5:00001000 r4:ece91000 [ 1335.399688][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.399755][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.419144][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.419230][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.419373][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.419453][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.419535][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.419584][ T32] r4:8454d780 [ 1335.419621][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.419694][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.420223][ T32] r4:00000001 [ 1335.420283][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.420361][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.420409][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.420455][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.420497][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.420543][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.420578][ T32] r4:84e5a340 [ 1335.420630][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.420685][ T32] INFO: task kworker/1:507:4840 blocked for more than 461 seconds. [ 1335.420736][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.420775][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.420809][ T32] task:kworker/1:507 state:D stack:0 pid:4840 tgid:4840 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.420909][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.420997][ T32] Call trace: [ 1335.421051][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.421157][ T32] r10:8291880c r9:eb3c5d84 r8:00000002 r7:60000013 r6:eb3c5d8c r5:84cfd400 [ 1335.421230][ T32] r4:84cfd400 [ 1335.421267][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.421336][ T32] r5:84cfd400 r4:82918808 [ 1335.421368][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.421449][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.421535][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb3c5e08 [ 1335.421636][ T32] r4:00000000 [ 1335.421669][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.421725][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.421791][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.421860][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852c5ac0 [ 1335.421907][ T32] r4:00000000 [ 1335.421942][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.422018][ T32] r9:83018205 r8:84cfd400 r7:00000000 r6:83018200 r5:00001000 r4:7f0bb000 ** 1 printk messages dropped ** [ 1335.422138][ T32] r5:00001000 r4:eb415000 [ 1335.422170][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1335.422381][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1335.423036][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.424482][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 10 printk messages dropped ** [ 1335.425095][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 11 printk messages dropped ** [ 1335.425776][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1335.426576][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.427065][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.427668][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1335.428395][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.428470][ T32] r5:00001000 r4:eb3cd000 ** 3 printk messages dropped ** [ 1335.428726][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1335.429469][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.452931][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1335.453501][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1335.453907][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1335.454503][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1335.454909][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1335.455222][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 1 printk messages dropped ** [ 1335.455346][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.455401][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.455462][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.455512][ T32] r4:84e5a340 [ 1335.455562][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.455617][ T32] INFO: task kworker/1:509:4844 blocked for more than 461 seconds. [ 1335.455700][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.455756][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.455803][ T32] task:kworker/1:509 state:D stack:0 pid:4844 tgid:4844 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.455934][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.456018][ T32] Call trace: [ 1335.456096][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.456193][ T32] r10:8291880c r9:eb3e5d84 r8:00000002 r7:60000113 r6:eb3e5d8c r5:84cfe000 [ 1335.456238][ T32] r4:84cfe000 [ 1335.456285][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.456380][ T32] r5:84cfe000 r4:82918808 [ 1335.456447][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.456526][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.456614][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb3e5e08 [ 1335.456658][ T32] r4:00000000 [ 1335.456708][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.456783][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.456870][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.456958][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852c5540 [ 1335.457001][ T32] r4:00000000 [ 1335.457040][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.457131][ T32] r9:83018205 r8:84cfe000 r7:00000000 r6:83018200 r5:00001000 r4:7f0b3000 [ 1335.457222][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.457322][ T32] r5:00001000 r4:eb3d9000 [ 1335.457369][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.457457][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.457547][ T32] r5:85451b8c r4:85451800 [ 1335.457590][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.457723][ T32] r7:ddde2d80 r6:83018200 r5:85451b8c r4:852bf480 [ 1335.457782][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.457884][ T32] r10:61c88647 r9:84cfe000 r8:852bf4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.457935][ T32] r4:852bf480 [ 1335.457978][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.458094][ T32] r10:00000000 r9:852bf480 r8:8027f5e8 r7:eb3c5e60 r6:851cbf80 r5:84cfe000 [ 1335.458149][ T32] r4:00000001 [ 1335.458217][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.458306][ T32] Exception stack(0xeb3e5fb0 to 0xeb3e5ff8) [ 1335.458362][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1335.458440][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.458507][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.458564][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.458600][ T32] r4:852c5200 [ 1335.459167][ T32] INFO: task kworker/1:509:4844 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.459222][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.459350][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.459438][ T32] Call trace: [ 1335.459491][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.459592][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.459774][ T32] r4:00000000 [ 1335.490157][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.490263][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.490298][ T32] 9d20: a8e17000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.490328][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.490353][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.490403][ T32] r5:80070013 r4:80239bb0 [ 1335.490429][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.490477][ T32] r4:82ac11a4 [ 1335.490541][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.490599][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.490623][ T32] r4:e47b9dc0 [ 1335.490643][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.490697][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.490744][ T32] r4:00000000 [ 1335.490767][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.490814][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.490836][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.490900][ T32] r5:00001000 r4:ece91000 [ 1335.490945][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.490988][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.491048][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.491072][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.491119][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.491160][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.491210][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.491253][ T32] r4:8454d780 [ 1335.491277][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.491321][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.491385][ T32] r4:00000001 [ 1335.491409][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.491445][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.491495][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.491537][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.491568][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.491597][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.491619][ T32] r4:84e5a340 [ 1335.491663][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.491706][ T32] INFO: task kworker/1:510:4846 blocked for more than 462 seconds. [ 1335.491763][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.491801][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.491828][ T32] task:kworker/1:510 state:D stack:0 pid:4846 tgid:4846 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.491886][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.491929][ T32] Call trace: [ 1335.491988][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 4 printk messages dropped ** [ 1335.492209][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1335.492705][ T32] r9:83018205 r8:84cfec00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b5000 ** 1 printk messages dropped ** [ 1335.492796][ T32] r5:00001000 r4:eb3ed000 ** 3 printk messages dropped ** [ 1335.492953][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1335.493345][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.494282][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1335.494617][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1335.494869][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1335.495242][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.495327][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.495352][ T32] r4:8454d780 [ 1335.495372][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.495414][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.495437][ T32] r4:00000001 [ 1335.495455][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.495526][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.495576][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.495627][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.495656][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.495684][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.495727][ T32] r4:84e5a340 [ 1335.495750][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.495777][ T32] INFO: task kworker/1:511:4848 blocked for more than 462 seconds. [ 1335.495805][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.495827][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.495890][ T32] task:kworker/1:511 state:D stack:0 pid:4848 tgid:4848 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.495964][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.496051][ T32] Call trace: [ 1335.496086][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.496155][ T32] r10:8291880c r9:eb381d84 r8:00000002 r7:60000113 r6:eb381d8c r5:853ebc00 [ 1335.496182][ T32] r4:853ebc00 [ 1335.496201][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.496240][ T32] r5:853ebc00 r4:82918808 [ 1335.496259][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.496314][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.496359][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb381e08 [ 1335.496381][ T32] r4:00000000 [ 1335.496400][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.496434][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.496490][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.496558][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852c57c0 [ 1335.496583][ T32] r4:00000000 [ 1335.496602][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.496668][ T32] r9:83018205 r8:853ebc00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b7000 [ 1335.496693][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.496735][ T32] r5:00001000 r4:eb3f9000 [ 1335.496754][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.496791][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.496832][ T32] r5:8545238c r4:85452000 [ 1335.496851][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.496893][ T32] r7:ddde2d80 r6:83018200 r5:8545238c r4:852bf580 [ 1335.496922][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.496969][ T32] r10:61c88647 r9:853ebc00 r8:852bf5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.497012][ T32] r4:852bf580 [ 1335.497038][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.497082][ T32] r10:00000000 r9:852bf580 r8:8027f5e8 r7:eb3c5e60 r6:852bf600 r5:853ebc00 [ 1335.497116][ T32] r4:00000001 [ 1335.497148][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.497186][ T32] Exception stack(0xeb381fb0 to 0xeb381ff8) [ 1335.497233][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1335.497266][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.497292][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.497352][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.497399][ T32] r4:852c5440 [ 1335.497703][ T32] INFO: task kworker/1:511:4848 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.497734][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.497801][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.497855][ T32] Call trace: [ 1335.497889][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.497947][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.497982][ T32] r4:00000000 [ 1335.498005][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.498057][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 1 printk messages dropped ** [ 1335.498128][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 10 printk messages dropped ** [ 1335.498479][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1335.498863][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1335.499248][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1335.499444][ T32] task:kworker/1:512 state:D stack:0 pid:4850 tgid:4850 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 13 printk messages dropped ** [ 1335.524487][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1335.524677][ T32] r5:00001000 r4:eb409000 ** 1 printk messages dropped ** [ 1335.524755][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1335.525092][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1335.525308][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1335.526167][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 10 printk messages dropped ** [ 1335.526667][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 11 printk messages dropped ** [ 1335.527136][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1335.527431][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1335.527664][ T32] r4:84e5a340 ** 2 printk messages dropped ** [ 1335.527791][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.527818][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.527841][ T32] task:kworker/1:513 state:D stack:0 pid:4852 tgid:4852 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.527884][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.527945][ T32] Call trace: [ 1335.528050][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.528106][ T32] r10:8291880c r9:eb40dd84 r8:00000002 r7:60000013 r6:eb40dd8c r5:853ed400 [ 1335.528131][ T32] r4:853ed400 [ 1335.528150][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.528189][ T32] r5:853ed400 r4:82918808 [ 1335.528208][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.528243][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.528295][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb40de08 [ 1335.528321][ T32] r4:00000000 [ 1335.528341][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.528375][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.528412][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.528455][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852c5d40 [ 1335.528476][ T32] r4:00000000 [ 1335.528495][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.528537][ T32] r9:83018205 r8:853ed400 r7:00000000 r6:83018200 r5:00001000 r4:7f02d000 [ 1335.528558][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.528596][ T32] r5:00001000 r4:dff6d000 [ 1335.528615][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.528662][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.528729][ T32] r5:8545338c r4:85453000 [ 1335.528752][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.528796][ T32] r7:ddde2d80 r6:83018200 r5:8545338c r4:852bf780 [ 1335.528883][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.528932][ T32] r10:61c88647 r9:853ed400 r8:852bf7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.528966][ T32] r4:852bf780 [ 1335.528988][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.529085][ T32] r10:00000000 r9:852bf780 r8:8027f5e8 r7:eb3c5e60 r6:852bf800 r5:853ed400 [ 1335.529111][ T32] r4:00000001 [ 1335.529130][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.529165][ T32] Exception stack(0xeb40dfb0 to 0xeb40dff8) [ 1335.529213][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.529270][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.529299][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.529353][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.529390][ T32] r4:852c5940 [ 1335.529720][ T32] INFO: task kworker/1:513:4852 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.529752][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.541866][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.541989][ T32] Call trace: [ 1335.542028][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.542090][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.542116][ T32] r4:00000000 [ 1335.542136][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.542173][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.542230][ T32] 9d20: a9455000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.542261][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.542287][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.542343][ T32] r5:80070013 r4:80239bb0 [ 1335.542389][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.542438][ T32] r4:82ac11a4 [ 1335.542458][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.542504][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.542546][ T32] r4:e47b9dc0 [ 1335.542578][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.542625][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.542648][ T32] r4:00000000 [ 1335.542667][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.542711][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.542732][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.542772][ T32] r5:00001000 r4:ece91000 [ 1335.542791][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.542839][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.542884][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.542913][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.542962][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.542982][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.543026][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.543053][ T32] r4:8454d780 [ 1335.543101][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 1 printk messages dropped ** [ 1335.543177][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1335.543421][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1335.543991][ T32] r4:853ee000 ** 5 printk messages dropped ** [ 1335.544228][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1335.544507][ T32] r9:83018205 r8:853ee000 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 ** 1 printk messages dropped ** [ 1335.544595][ T32] r5:00001000 r4:dfd4f000 [ 1335.544635][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1335.544891][ T32] r10:61c88647 r9:853ee000 r8:852bf8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1335.545328][ T32] r4:852c5940 ** 5 printk messages dropped ** [ 1335.546077][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1335.546426][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1335.546641][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.546663][ T32] r4:00000000 [ 1335.546683][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.546747][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.546802][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.546848][ T32] r5:00001000 r4:ece91000 [ 1335.546868][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.546936][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.546991][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.547060][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.547112][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.547132][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.547175][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.547197][ T32] r4:8454d780 [ 1335.547215][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.547256][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.547279][ T32] r4:00000001 [ 1335.547297][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.547332][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.547379][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.547410][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.547438][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.547466][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.547506][ T32] r4:84e5a340 [ 1335.547529][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.547574][ T32] INFO: task kworker/1:515:4859 blocked for more than 462 seconds. [ 1335.547627][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.547673][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.547705][ T32] task:kworker/1:515 state:D stack:0 pid:4859 tgid:4859 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.547752][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.547815][ T32] Call trace: [ 1335.547845][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.547900][ T32] r10:8291880c r9:eb42dd84 r8:00000002 r7:60000013 r6:eb42dd8c r5:853eec00 [ 1335.547926][ T32] r4:853eec00 [ 1335.547946][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.548008][ T32] r5:853eec00 r4:82918808 [ 1335.548047][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.548094][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.548138][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb42de08 [ 1335.548160][ T32] r4:00000000 [ 1335.548179][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.548224][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1335.548577][ T32] r5:00001000 r4:e0077000 [ 1335.548620][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.548662][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1335.548866][ T32] r10:61c88647 r9:853eec00 r8:852bf9ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1335.549267][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1335.572485][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1335.572616][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.572645][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.572669][ T32] r5:80070013 r4:80239bb0 [ 1335.572689][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.572734][ T32] r4:82ac11a4 [ 1335.572753][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.572798][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.572819][ T32] r4:e47b9dc0 [ 1335.572838][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.572890][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.572937][ T32] r4:00000000 [ 1335.572971][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.573044][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.573083][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.573137][ T32] r5:00001000 r4:ece91000 [ 1335.573166][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.573208][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.573250][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.573269][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.573314][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.573334][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.573378][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.573400][ T32] r4:8454d780 [ 1335.573419][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.573466][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.573497][ T32] r4:00000001 [ 1335.573521][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.573556][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.573602][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.573633][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.573658][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.573685][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.573706][ T32] r4:84e5a340 [ 1335.573729][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.573766][ T32] INFO: task kworker/1:516:4861 blocked for more than 462 seconds. [ 1335.573824][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1335.574001][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1335.574301][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1335.574686][ T32] r9:83018205 r8:853e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f031000 ** 1 printk messages dropped ** [ 1335.574750][ T32] r5:00001000 r4:e03db000 [ 1335.574769][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1335.574883][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1335.575301][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.576189][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 5 printk messages dropped ** [ 1335.576446][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 9 printk messages dropped ** [ 1335.576789][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1335.577155][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1335.577429][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1335.577723][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1335.577972][ T32] r10:8291880c r9:eb435d84 r8:00000002 r7:60000113 r6:eb435d8c r5:85408000 ** 8 printk messages dropped ** [ 1335.578273][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1335.578600][ T32] r5:00001000 r4:eb4ff000 ** 1 printk messages dropped ** [ 1335.578682][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1335.579145][ T32] Exception stack(0xeb435fb0 to 0xeb435ff8) ** 5 printk messages dropped ** [ 1335.579633][ T32] INFO: task kworker/0:350:4862 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.579664][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.579717][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.579849][ T32] Call trace: [ 1335.599290][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.599377][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.599407][ T32] r4:00000000 [ 1335.599428][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.599488][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.599524][ T32] 9d20: a9bd9000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.599617][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.599691][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.599719][ T32] r5:80070013 r4:80239bb0 [ 1335.599880][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.600273][ T32] r4:82ac11a4 [ 1335.600327][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.600393][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.600416][ T32] r4:e47b9dc0 [ 1335.600436][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.600492][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.600602][ T32] r4:00000000 [ 1335.600691][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.600741][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.600778][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.600890][ T32] r5:00001000 r4:ece91000 [ 1335.600914][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.600974][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.601051][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.601089][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.601154][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.601191][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.601238][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.601261][ T32] r4:8454d780 [ 1335.601280][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.601323][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.601368][ T32] r4:00000001 [ 1335.601410][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.601472][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.601503][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.601617][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.601660][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.601733][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.601802][ T32] r4:84e5a340 [ 1335.601856][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.601898][ T32] INFO: task kworker/1:517:4864 blocked for more than 462 seconds. [ 1335.601932][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1335.602106][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1335.602539][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb43de08 ** 9 printk messages dropped ** [ 1335.602991][ T32] r5:00001000 r4:e0599000 [ 1335.603011][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.603055][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1335.603242][ T32] r7:ddde2d80 r6:83018200 r5:85453f8c r4:852bfb80 ** 9 printk messages dropped ** [ 1335.603626][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1335.604317][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1335.604744][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1335.605075][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.605097][ T32] r4:00000000 [ 1335.605179][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.605229][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.605397][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.605465][ T32] r5:00001000 r4:ece91000 [ 1335.605517][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.605575][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.605638][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.605661][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.605773][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.605803][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.605848][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.605871][ T32] r4:8454d780 [ 1335.605890][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.605933][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.606019][ T32] r4:00000001 [ 1335.606048][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.606106][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.606163][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.606225][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.606255][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.606307][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.606332][ T32] r4:84e5a340 [ 1335.606353][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.606379][ T32] INFO: task kworker/1:518:4866 blocked for more than 462 seconds. [ 1335.606406][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.606438][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.606463][ T32] task:kworker/1:518 state:D stack:0 pid:4866 tgid:4866 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.606604][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.606715][ T32] Call trace: [ 1335.606793][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.606885][ T32] r10:8291880c r9:eb445d84 r8:00000002 r7:60000113 r6:eb445d8c r5:85409800 ** 3 printk messages dropped ** [ 1335.607038][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1335.607559][ T32] r5:00001000 r4:ea9dd000 [ 1335.607578][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.607616][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1335.607912][ T32] r4:852bfc00 ** 1 printk messages dropped ** [ 1335.608002][ T32] r10:00000000 r9:852bfc00 r8:8027f5e8 r7:eb43de60 r6:852d9180 r5:85409800 [ 1335.608025][ T32] r4:00000001 [ 1335.608049][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.608099][ T32] Exception stack(0xeb445fb0 to 0xeb445ff8) [ 1335.608137][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1335.608189][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.608219][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.608247][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.608269][ T32] r4:852bd2c0 [ 1335.608562][ T32] INFO: task kworker/1:518:4866 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.608592][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.608685][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.608728][ T32] Call trace: [ 1335.608791][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.608841][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.608896][ T32] r4:00000000 [ 1335.608942][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.608983][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.609011][ T32] 9d20: a9bd9000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.609055][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.609102][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.609128][ T32] r5:80070013 r4:80239bb0 [ 1335.609149][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.609192][ T32] r4:82ac11a4 [ 1335.609212][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.609258][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 5 printk messages dropped ** [ 1335.609490][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 9 printk messages dropped ** [ 1335.641984][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1335.642184][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1335.642443][ T32] Not tainted 6.15.0-syzkaller #0 ** 8 printk messages dropped ** [ 1335.642791][ T32] r5:8540b000 r4:82918808 ** 5 printk messages dropped ** [ 1335.643044][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1335.643371][ T32] r5:00001000 r4:e061b000 [ 1335.643391][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.643430][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.643496][ T32] r5:8545838c r4:85458000 [ 1335.643519][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.643572][ T32] r7:ddde2d80 r6:83018200 r5:8545838c r4:852bfc80 [ 1335.643596][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.643649][ T32] r10:61c88647 r9:8540b000 r8:852bfcac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.643674][ T32] r4:852bfc80 [ 1335.643694][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.643737][ T32] r10:00000000 r9:852bfc80 r8:8027f5e8 r7:eb445e60 r6:852d9200 r5:8540b000 [ 1335.643780][ T32] r4:00000001 [ 1335.643802][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.643863][ T32] Exception stack(0xeb449fb0 to 0xeb449ff8) [ 1335.643893][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.643951][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.643981][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.644010][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.644037][ T32] r4:852d70c0 [ 1335.644493][ T32] INFO: task kworker/1:519:4867 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.644568][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.644628][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.644687][ T32] Call trace: [ 1335.644718][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.644765][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.644787][ T32] r4:00000000 [ 1335.644807][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.644842][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 4 printk messages dropped ** [ 1335.645005][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 11 printk messages dropped ** [ 1335.645438][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 9 printk messages dropped ** [ 1335.645843][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1335.646003][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1335.646294][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.646602][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1335.647009][ T32] r5:00001000 r4:e47c5000 [ 1335.647027][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1335.647155][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1335.647562][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.648169][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 10 printk messages dropped ** [ 1335.648546][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 11 printk messages dropped ** [ 1335.649011][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1335.649502][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.649840][ T32] Workqueue: events bpf_prog_free_deferred ** 9 printk messages dropped ** [ 1335.663995][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1335.664155][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852d7440 [ 1335.664176][ T32] r4:00000000 [ 1335.664218][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.664289][ T32] r9:83018205 r8:8540bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1335.664344][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.664394][ T32] r5:00001000 r4:e885d000 [ 1335.664415][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.664453][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.664494][ T32] r5:85458b8c r4:85458800 [ 1335.664513][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.664568][ T32] r7:ddde2d80 r6:83018200 r5:85458b8c r4:852bfd80 [ 1335.664591][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.664658][ T32] r10:61c88647 r9:8540bc00 r8:852bfdac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.664691][ T32] r4:852bfd80 [ 1335.664713][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.664789][ T32] r10:00000000 r9:852bfd80 r8:8027f5e8 r7:eb445e60 r6:852d9300 r5:8540bc00 [ 1335.664815][ T32] r4:00000001 [ 1335.664835][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.664871][ T32] Exception stack(0xeb459fb0 to 0xeb459ff8) [ 1335.664900][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.664942][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.664993][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.665025][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.665074][ T32] r4:852d7380 [ 1335.665540][ T32] INFO: task kworker/1:521:4871 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.665576][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.665666][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.665730][ T32] Call trace: [ 1335.665763][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.665813][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.665857][ T32] r4:00000000 [ 1335.665880][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.665918][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.665945][ T32] 9d20: aa8c7000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.665973][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.665997][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.666020][ T32] r5:80070013 r4:80239bb0 [ 1335.666047][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.666092][ T32] r4:82ac11a4 [ 1335.666111][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.666157][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.666179][ T32] r4:e47b9dc0 [ 1335.666217][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.666278][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.666305][ T32] r4:00000000 [ 1335.666325][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.666378][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.666430][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.666477][ T32] r5:00001000 r4:ece91000 [ 1335.666498][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.666536][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.666577][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.666596][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1335.666712][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1335.666934][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.667226][ T32] task:kworker/1:522 state:D stack:0 pid:4873 tgid:4873 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1335.667565][ T32] r5:8540c800 r4:82918808 ** 2 printk messages dropped ** [ 1335.667676][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb461e08 ** 3 printk messages dropped ** [ 1335.667833][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1335.668064][ T32] r5:00001000 r4:eaa15000 [ 1335.668083][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1335.668180][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1335.668475][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1335.668612][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1335.668712][ T32] r4:852d7240 ** 2 printk messages dropped ** [ 1335.669136][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.669203][ T32] Call trace: [ 1335.669237][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.669286][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.669323][ T32] r4:00000000 [ 1335.669345][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.669382][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.669409][ T32] 9d20: aa8c7000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.669446][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.669504][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.669551][ T32] r5:80070013 r4:80239bb0 [ 1335.669594][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.669661][ T32] r4:82ac11a4 [ 1335.669703][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.669835][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.687997][ T32] r4:e47b9dc0 [ 1335.688058][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.688130][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.688165][ T32] r4:00000000 [ 1335.688219][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.688277][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.688321][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.688392][ T32] r5:00001000 r4:ece91000 [ 1335.688438][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.688480][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.688523][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.688543][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.688588][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.688608][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.688679][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.688728][ T32] r4:8454d780 [ 1335.688761][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.688808][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.688830][ T32] r4:00000001 [ 1335.688849][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.688884][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.688912][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.688969][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.689000][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.689028][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.689062][ T32] r4:84e5a340 [ 1335.689086][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.689115][ T32] INFO: task kworker/1:523:4877 blocked for more than 462 seconds. [ 1335.689147][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.689189][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.689214][ T32] task:kworker/1:523 state:D stack:0 pid:4877 tgid:4877 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.689296][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.689371][ T32] Call trace: [ 1335.689430][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.689484][ T32] r10:8291880c r9:eb465d84 r8:00000002 r7:60000113 r6:eb465d8c r5:8540e000 [ 1335.689516][ T32] r4:8540e000 [ 1335.689559][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.689602][ T32] r5:8540e000 r4:82918808 [ 1335.689622][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.689658][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.689699][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb465e08 [ 1335.689722][ T32] r4:00000000 [ 1335.689789][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.693866][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.693965][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.694016][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852d7880 [ 1335.694058][ T32] r4:00000000 [ 1335.694103][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1335.694257][ T32] r5:00001000 r4:eaa65000 [ 1335.694284][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.694328][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.694370][ T32] r5:8545978c r4:85459400 [ 1335.694390][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1335.694545][ T32] r4:852bfe80 ** 5 printk messages dropped ** [ 1335.694744][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1335.695511][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1335.695755][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 8 printk messages dropped ** [ 1335.696126][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 7 printk messages dropped ** [ 1335.696411][ T32] r5:00001000 r4:ece91000 ** 4 printk messages dropped ** [ 1335.696598][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 4 printk messages dropped ** [ 1335.696754][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 5 printk messages dropped ** [ 1335.697006][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1335.697136][ T32] INFO: task kworker/1:524:4878 blocked for more than 462 seconds. ** 7 printk messages dropped ** [ 1335.697447][ T32] r4:8540ec00 ** 3 printk messages dropped ** [ 1335.697589][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1335.697737][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1335.697921][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.697984][ T32] r5:00001000 r4:eaaa9000 [ 1335.698044][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.698108][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.698153][ T32] r5:85459b8c r4:85459800 [ 1335.698206][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.698255][ T32] r7:ddde2d80 r6:83018200 r5:85459b8c r4:852bff00 [ 1335.698276][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.698320][ T32] r10:61c88647 r9:8540ec00 r8:852bff2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.698342][ T32] r4:852bff00 [ 1335.698362][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.698414][ T32] r10:00000000 r9:852bff00 r8:8027f5e8 r7:eb465e60 r6:852d9480 r5:8540ec00 [ 1335.698440][ T32] r4:00000001 [ 1335.698474][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.698512][ T32] Exception stack(0xeb469fb0 to 0xeb469ff8) [ 1335.698539][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.698600][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.698629][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.698667][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.698691][ T32] r4:852d7680 [ 1335.698994][ T32] INFO: task kworker/1:524:4878 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.699024][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.699086][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.699168][ T32] Call trace: [ 1335.699225][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.699273][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.699296][ T32] r4:00000000 [ 1335.699314][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.699350][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.699376][ T32] 9d20: aadd6000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.699404][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.699451][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.699478][ T32] r5:80070013 r4:80239bb0 [ 1335.699499][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.699542][ T32] r4:82ac11a4 [ 1335.699561][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.699606][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.699659][ T32] r4:e47b9dc0 [ 1335.699702][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.699748][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.699770][ T32] r4:00000000 [ 1335.699831][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.715659][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.715702][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.715767][ T32] r5:00001000 r4:ece91000 [ 1335.715789][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.715828][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.715892][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.715925][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.716010][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.716051][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.716122][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.716148][ T32] r4:8454d780 [ 1335.716180][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.716231][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.716259][ T32] r4:00000001 [ 1335.716281][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.716319][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.716347][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.716375][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.716411][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.716449][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.716472][ T32] r4:84e5a340 [ 1335.716495][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.716542][ T32] INFO: task kworker/1:525:4880 blocked for more than 462 seconds. [ 1335.716603][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.716631][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.716653][ T32] task:kworker/1:525 state:D stack:0 pid:4880 tgid:4880 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.716722][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.716765][ T32] Call trace: [ 1335.716797][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.716847][ T32] r10:8291880c r9:eb46dd84 r8:00000002 r7:60000013 r6:eb46dd8c r5:8540d400 [ 1335.716888][ T32] r4:8540d400 [ 1335.716942][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.717020][ T32] r5:8540d400 r4:82918808 [ 1335.717061][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.717099][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.717140][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb46de08 [ 1335.717162][ T32] r4:00000000 [ 1335.717209][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.717249][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.717312][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.717359][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852d7b40 [ 1335.717381][ T32] r4:00000000 [ 1335.717400][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.717441][ T32] r9:83018205 r8:8540d400 r7:00000000 r6:83018200 r5:00001000 r4:7f071000 [ 1335.717462][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.717501][ T32] r5:00001000 r4:eaafd000 [ 1335.717520][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.717579][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1335.717688][ T32] r7:ddde2d80 r6:83018200 r5:85459f8c r4:852bff80 [ 1335.717729][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.717776][ T32] r10:61c88647 r9:8540d400 r8:852bffac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.717799][ T32] r4:852bff80 [ 1335.717817][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.717859][ T32] r10:00000000 r9:852bff80 r8:8027f5e8 r7:eb469e60 r6:852d9500 r5:8540d400 [ 1335.717900][ T32] r4:00000001 [ 1335.717922][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.717960][ T32] Exception stack(0xeb46dfb0 to 0xeb46dff8) [ 1335.717985][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.718039][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.718072][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.718100][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.718121][ T32] r4:852d74c0 [ 1335.718573][ T32] INFO: task kworker/1:525:4880 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.718605][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.718708][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.718776][ T32] Call trace: [ 1335.718811][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.718860][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.718882][ T32] r4:00000000 [ 1335.718901][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.718937][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.718965][ T32] 9d20: ab236000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.718993][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.719017][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.719046][ T32] r5:80070013 r4:80239bb0 [ 1335.719066][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.719109][ T32] r4:82ac11a4 [ 1335.719129][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.719174][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.719196][ T32] r4:e47b9dc0 [ 1335.719215][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.719256][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.719278][ T32] r4:00000000 [ 1335.719297][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.719366][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.719391][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.719434][ T32] r5:00001000 r4:ece91000 [ 1335.719454][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.719514][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.719560][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.719580][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.719635][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.719667][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.719714][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.719811][ T32] r4:8454d780 [ 1335.735801][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.735898][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.735929][ T32] r4:00000001 [ 1335.735959][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.736012][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.736061][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.736117][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.736172][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.736206][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.736228][ T32] r4:84e5a340 [ 1335.736289][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.736348][ T32] INFO: task kworker/1:526:4882 blocked for more than 462 seconds. [ 1335.736394][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.736422][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.736445][ T32] task:kworker/1:526 state:D stack:0 pid:4882 tgid:4882 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.736500][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.736560][ T32] Call trace: [ 1335.736621][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.736676][ T32] r10:8291880c r9:eb471d84 r8:00000002 r7:60000013 r6:eb471d8c r5:84cfa400 [ 1335.736699][ T32] r4:84cfa400 [ 1335.736749][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.736794][ T32] r5:84cfa400 r4:82918808 [ 1335.736814][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.736851][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.736907][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb471e08 [ 1335.736933][ T32] r4:00000000 [ 1335.736952][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.736987][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.737027][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.737098][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852d7c00 [ 1335.737132][ T32] r4:00000000 [ 1335.737155][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.737224][ T32] r9:83018205 r8:84cfa400 r7:00000000 r6:83018200 r5:00001000 r4:7f073000 [ 1335.737282][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.737352][ T32] r5:00001000 r4:eab75000 [ 1335.737376][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.737437][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.737519][ T32] r5:8545a38c r4:8545a000 [ 1335.737543][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.737588][ T32] r7:ddde2d80 r6:83018200 r5:8545a38c r4:852e0000 [ 1335.737610][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.737654][ T32] r10:61c88647 r9:84cfa400 r8:852e002c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.737676][ T32] r4:852e0000 [ 1335.737716][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.737791][ T32] r10:00000000 r9:852e0000 r8:8027f5e8 r7:eb46de60 r6:852d9580 r5:84cfa400 [ 1335.737838][ T32] r4:00000001 [ 1335.737861][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.737898][ T32] Exception stack(0xeb471fb0 to 0xeb471ff8) [ 1335.737924][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1335.737951][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.737976][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.738003][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.738050][ T32] r4:852d77c0 [ 1335.738532][ T32] INFO: task kworker/1:526:4882 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.738580][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.738656][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.738760][ T32] Call trace: [ 1335.738816][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.738875][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.738902][ T32] r4:00000000 [ 1335.738924][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.738965][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.738995][ T32] 9d20: ab5c5000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.739025][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.739081][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.739112][ T32] r5:80070013 r4:80239bb0 [ 1335.739144][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.739195][ T32] r4:82ac11a4 [ 1335.739218][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.739270][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.739297][ T32] r4:e47b9dc0 [ 1335.739318][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.739363][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.739396][ T32] r4:00000000 [ 1335.739420][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.739489][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.739516][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.739561][ T32] r5:00001000 r4:ece91000 [ 1335.739582][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.739655][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.739769][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.750162][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.750265][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.750289][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.750336][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.750382][ T32] r4:8454d780 [ 1335.750406][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.750451][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.750474][ T32] r4:00000001 [ 1335.750492][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.750550][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.750582][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.750646][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 12 printk messages dropped ** [ 1335.751256][ T32] r4:84558000 ** 5 printk messages dropped ** [ 1335.751492][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1335.751626][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852d7d00 ** 4 printk messages dropped ** [ 1335.751847][ T32] r5:00001000 r4:ead8b000 [ 1335.751870][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1335.752084][ T32] r7:ddde2d80 r6:83018200 r5:8545a78c r4:852e0080 ** 8 printk messages dropped ** [ 1335.752432][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1335.753209][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1335.753391][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1335.753556][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1335.753776][ T32] r4:e47b9dc0 ** 4 printk messages dropped ** [ 1335.753969][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.754011][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.754064][ T32] r5:00001000 r4:ece91000 [ 1335.754085][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.754123][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.754163][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.754183][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.754272][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.754334][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.754382][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.754404][ T32] r4:8454d780 [ 1335.754433][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.754498][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.754534][ T32] r4:00000001 [ 1335.754555][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.754591][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.754617][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.754654][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.754683][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.754712][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.754733][ T32] r4:84e5a340 [ 1335.754752][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.754777][ T32] INFO: task kworker/1:528:4886 blocked for more than 462 seconds. [ 1335.754804][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.754839][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.754863][ T32] task:kworker/1:528 state:D stack:0 pid:4886 tgid:4886 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.754924][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.755011][ T32] Call trace: [ 1335.755118][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.755216][ T32] r10:8291880c r9:eb479d84 r8:00000002 r7:60000013 r6:eb479d8c r5:84558c00 [ 1335.755269][ T32] r4:84558c00 [ 1335.755354][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.755418][ T32] r5:84558c00 r4:82918808 [ 1335.755438][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.755490][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.755535][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb479e08 [ 1335.755559][ T32] r4:00000000 [ 1335.755577][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.755611][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1335.755786][ T32] r9:83018205 r8:84558c00 r7:00000000 r6:83018200 r5:00001000 r4:7f077000 [ 1335.755806][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.755866][ T32] r5:00001000 r4:eaedf000 [ 1335.755890][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.755929][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.755969][ T32] r5:8545ab8c r4:8545a800 [ 1335.756025][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.756082][ T32] r7:ddde2d80 r6:83018200 r5:8545ab8c r4:852e0100 [ 1335.756123][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.756192][ T32] r10:61c88647 r9:84558c00 r8:852e012c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.756217][ T32] r4:852e0100 [ 1335.756236][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.756279][ T32] r10:00000000 r9:852e0100 r8:8027f5e8 r7:eb475e60 r6:852d9680 r5:84558c00 [ 1335.756301][ T32] r4:00000001 [ 1335.756328][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.756367][ T32] Exception stack(0xeb479fb0 to 0xeb479ff8) [ 1335.756415][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.756446][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.756502][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.756534][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.756576][ T32] r4:852d7b00 [ 1335.756867][ T32] INFO: task kworker/1:528:4886 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.756898][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.756986][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.757037][ T32] Call trace: [ 1335.757080][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 4 printk messages dropped ** [ 1335.757280][ T32] 9d20: ab84e000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 7 printk messages dropped ** [ 1335.757587][ T32] r4:e47b9dc0 ** 6 printk messages dropped ** [ 1335.757858][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1335.758104][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1335.758360][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.758658][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.759054][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1335.759436][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.759481][ T32] r5:00001000 r4:eaf25000 ** 1 printk messages dropped ** [ 1335.759548][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1335.779350][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1335.779559][ T32] r4:852d7ac0 ** 2 printk messages dropped ** [ 1335.780509][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.780899][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 9 printk messages dropped ** [ 1335.781226][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1335.781440][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1335.781769][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 7 printk messages dropped ** [ 1335.781997][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1335.782225][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1335.782524][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1335.782823][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1335.782959][ T32] r5:00001000 r4:eb03f000 [ 1335.782977][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.783041][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.783086][ T32] r5:8545b38c r4:8545b000 [ 1335.783127][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.783176][ T32] r7:ddde2d80 r6:83018200 r5:8545b38c r4:852e0200 [ 1335.783217][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.783265][ T32] r10:61c88647 r9:8455a400 r8:852e022c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.783287][ T32] r4:852e0200 [ 1335.783326][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.783372][ T32] r10:00000000 r9:852e0200 r8:8027f5e8 r7:eb47de60 r6:852d9780 r5:8455a400 [ 1335.783423][ T32] r4:00000001 [ 1335.783469][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.783529][ T32] Exception stack(0xeb481fb0 to 0xeb481ff8) [ 1335.783583][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1335.783634][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.783684][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.783717][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.783740][ T32] r4:852e3000 [ 1335.784098][ T32] INFO: task kworker/1:530:4890 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.784130][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.784185][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.784297][ T32] Call trace: [ 1335.784331][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.784380][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.784435][ T32] r4:00000000 [ 1335.784480][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.784542][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.784573][ T32] 9d20: abc95000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.784603][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.784627][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.784670][ T32] r5:80070013 r4:80239bb0 [ 1335.784714][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.784775][ T32] r4:82ac11a4 [ 1335.784798][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.784864][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.784909][ T32] r4:e47b9dc0 [ 1335.784951][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.785012][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.785041][ T32] r4:00000000 [ 1335.785063][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.785107][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.785157][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.785228][ T32] r5:00001000 r4:ece91000 [ 1335.785251][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.785291][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.785372][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.785396][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.785486][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.785510][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.785556][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.785599][ T32] r4:8454d780 [ 1335.785623][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.785667][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.785709][ T32] r4:00000001 [ 1335.785751][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.785789][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.785816][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.785844][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.785869][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.785896][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.785918][ T32] r4:84e5a340 [ 1335.785937][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.785983][ T32] INFO: task kworker/1:531:4892 blocked for more than 462 seconds. [ 1335.786053][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.786100][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.786125][ T32] task:kworker/1:531 state:D stack:0 pid:4892 tgid:4892 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.786272][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.786341][ T32] Call trace: [ 1335.786375][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.786422][ T32] r10:8291880c r9:eb485d84 r8:00000002 r7:60000113 r6:eb485d8c r5:8455b000 [ 1335.786444][ T32] r4:8455b000 [ 1335.786484][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.786528][ T32] r5:8455b000 r4:82918808 [ 1335.786580][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.786620][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.786675][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb485e08 [ 1335.786700][ T32] r4:00000000 [ 1335.786741][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.786778][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.786837][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.786907][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852e3340 [ 1335.786932][ T32] r4:00000000 [ 1335.786956][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.787024][ T32] r9:83018205 r8:8455b000 r7:00000000 r6:83018200 r5:00001000 r4:7f07d000 [ 1335.787074][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.787155][ T32] r5:00001000 r4:eb07d000 [ 1335.787182][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.787222][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.787262][ T32] r5:8545b78c r4:8545b400 [ 1335.787281][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.787343][ T32] r7:ddde2d80 r6:83018200 r5:8545b78c r4:852e0280 [ 1335.787388][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.787458][ T32] r10:61c88647 r9:8455b000 r8:852e02ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.787487][ T32] r4:852e0280 [ 1335.787507][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.787550][ T32] r10:00000000 r9:852e0280 r8:8027f5e8 r7:eb481e60 r6:852d9800 r5:8455b000 [ 1335.787572][ T32] r4:00000001 [ 1335.787629][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.787667][ T32] Exception stack(0xeb485fb0 to 0xeb485ff8) [ 1335.787713][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1335.787744][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.787823][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.787855][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.787878][ T32] r4:852e3280 [ 1335.788164][ T32] INFO: task kworker/1:531:4892 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.788220][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.788310][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.788372][ T32] Call trace: [ 1335.788448][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.788500][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.788554][ T32] r4:00000000 [ 1335.788598][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.788674][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.788739][ T32] 9d20: abc95000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.788774][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.788799][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.788825][ T32] r5:80070013 r4:80239bb0 [ 1335.788844][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.788888][ T32] r4:82ac11a4 [ 1335.788906][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.788952][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.788974][ T32] r4:e47b9dc0 [ 1335.788993][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.789058][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.789084][ T32] r4:00000000 [ 1335.789104][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.789168][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.789193][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.789235][ T32] r5:00001000 r4:ece91000 [ 1335.789255][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.789300][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.789341][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.789361][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.789427][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.789459][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.789517][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.789539][ T32] r4:8454d780 ** 2 printk messages dropped ** [ 1335.789671][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1335.822531][ T32] r4:84e5a340 ** 3 printk messages dropped ** [ 1335.822667][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 7 printk messages dropped ** [ 1335.823067][ T32] r5:8455c800 r4:82918808 ** 6 printk messages dropped ** [ 1335.823322][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1335.823542][ T32] r5:00001000 r4:eb35b000 [ 1335.823583][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1335.823701][ T32] r5:8545d38c r4:8545d000 ** 2 printk messages dropped ** [ 1335.823851][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1335.824205][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1335.825074][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 6 printk messages dropped ** [ 1335.825292][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1335.825534][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 9 printk messages dropped ** [ 1335.825964][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.825984][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.826050][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.826089][ T32] r4:8454d780 [ 1335.826111][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.826177][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.826288][ T32] r4:00000001 [ 1335.826386][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.826496][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.826576][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.826637][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.826695][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.826725][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.826798][ T32] r4:84e5a340 [ 1335.826822][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.826852][ T32] INFO: task kworker/1:533:4895 blocked for more than 462 seconds. [ 1335.826901][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.826927][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.826949][ T32] task:kworker/1:533 state:D stack:0 pid:4895 tgid:4895 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.827025][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.827085][ T32] Call trace: [ 1335.827116][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.827163][ T32] r10:8291880c r9:eb491d84 r8:00000002 r7:60000013 r6:eb491d8c r5:8455d400 [ 1335.827202][ T32] r4:8455d400 [ 1335.827224][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.827264][ T32] r5:8455d400 r4:82918808 [ 1335.827283][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.827317][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.827381][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb491e08 [ 1335.827406][ T32] r4:00000000 [ 1335.827426][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.827474][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.827515][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.827560][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852e34c0 [ 1335.827583][ T32] r4:00000000 [ 1335.827603][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.827645][ T32] r9:83018205 r8:8455d400 r7:00000000 r6:83018200 r5:00001000 r4:7f07f000 [ 1335.827665][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.827705][ T32] r5:00001000 r4:eb0a5000 [ 1335.827723][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.827760][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.827801][ T32] r5:8545bb8c r4:8545b800 [ 1335.827819][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.827861][ T32] r7:ddde2d80 r6:83018200 r5:8545bb8c r4:852e0380 [ 1335.827881][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.827945][ T32] r10:61c88647 r9:8455d400 r8:852e03ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.827993][ T32] r4:852e0380 [ 1335.828013][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.828062][ T32] r10:00000000 r9:852e0380 r8:8027f5e8 r7:eb48de60 r6:852d9900 r5:8455d400 [ 1335.828085][ T32] r4:00000001 [ 1335.828125][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.828165][ T32] Exception stack(0xeb491fb0 to 0xeb491ff8) [ 1335.828211][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1335.828243][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.828292][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.828323][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.828346][ T32] r4:852e31c0 [ 1335.828654][ T32] INFO: task kworker/1:533:4895 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.828684][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.828759][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.828806][ T32] Call trace: [ 1335.828836][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.828893][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.828919][ T32] r4:00000000 [ 1335.828939][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.828977][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.829004][ T32] 9d20: ac67a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.829050][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.829078][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.829124][ T32] r5:80070013 r4:80239bb0 [ 1335.829147][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.829191][ T32] r4:82ac11a4 [ 1335.829210][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 6 printk messages dropped ** [ 1335.829448][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 6 printk messages dropped ** [ 1335.829775][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 5 printk messages dropped ** [ 1335.852662][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1335.852872][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1335.853270][ T32] Call trace: ** 4 printk messages dropped ** [ 1335.853504][ T32] r5:8455bc00 r4:82918808 ** 3 printk messages dropped ** [ 1335.853627][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1335.853795][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852e3640 ** 4 printk messages dropped ** [ 1335.853959][ T32] r5:00001000 r4:eb0c3000 ** 2 printk messages dropped ** [ 1335.854056][ T32] r5:8545bf8c r4:8545bc00 ** 3 printk messages dropped ** [ 1335.854223][ T32] r10:61c88647 r9:8455bc00 r8:852e042c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1335.854478][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1335.855196][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1335.855630][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1335.855832][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1335.856325][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1335.856535][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1335.856717][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 7 printk messages dropped ** [ 1335.857158][ T32] r5:8455e000 r4:82918808 [ 1335.857176][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.857220][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.857264][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4a1e08 [ 1335.857296][ T32] r4:00000000 [ 1335.857378][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.857437][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.857479][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.857522][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852e3700 [ 1335.857543][ T32] r4:00000000 [ 1335.857562][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.857604][ T32] r9:83018205 r8:8455e000 r7:00000000 r6:83018200 r5:00001000 r4:7f083000 [ 1335.857645][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.857689][ T32] r5:00001000 r4:eb0d7000 [ 1335.857709][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.857755][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.857799][ T32] r5:8545c38c r4:8545c000 [ 1335.857818][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.857871][ T32] r7:ddde2d80 r6:83018200 r5:8545c38c r4:852e0480 [ 1335.857916][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.857965][ T32] r10:61c88647 r9:8455e000 r8:852e04ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.857986][ T32] r4:852e0480 [ 1335.858005][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.858046][ T32] r10:00000000 r9:852e0480 r8:8027f5e8 r7:eb48de60 r6:852d9a00 r5:8455e000 [ 1335.858088][ T32] r4:00000001 [ 1335.858111][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.858147][ T32] Exception stack(0xeb4a1fb0 to 0xeb4a1ff8) [ 1335.858181][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1335.858267][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.858303][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.858332][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.858356][ T32] r4:852e35c0 [ 1335.858651][ T32] INFO: task kworker/1:535:4899 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.858685][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.858760][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.858831][ T32] Call trace: [ 1335.858871][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.858942][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.858969][ T32] r4:00000000 [ 1335.858999][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.859039][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.859067][ T32] 9d20: acbc1000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.859096][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.859120][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.859143][ T32] r5:80070013 r4:80239bb0 [ 1335.859184][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.859231][ T32] r4:82ac11a4 [ 1335.859251][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.859304][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.859327][ T32] r4:e47b9dc0 [ 1335.859355][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.859411][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.859435][ T32] r4:00000000 [ 1335.859455][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.859498][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.859519][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.859559][ T32] r5:00001000 r4:ece91000 [ 1335.859595][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.859638][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.859679][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.859699][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.859743][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.859799][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.869522][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.869585][ T32] r4:8454d780 [ 1335.869613][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.869709][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.869736][ T32] r4:00000001 [ 1335.869758][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.869851][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.870544][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.870585][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.870636][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.870674][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.870734][ T32] r4:84e5a340 [ 1335.870776][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.870809][ T32] INFO: task kworker/1:536:4901 blocked for more than 462 seconds. [ 1335.870842][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.870887][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.870922][ T32] task:kworker/1:536 state:D stack:0 pid:4901 tgid:4901 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1335.871174][ T32] r10:8291880c r9:eb4a9d84 r8:00000002 r7:60000013 r6:eb4a9d8c r5:85420c00 ** 9 printk messages dropped ** [ 1335.871544][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1335.871822][ T32] r5:00001000 r4:eb0ef000 [ 1335.871843][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1335.872042][ T32] r7:ddde2d80 r6:83018200 r5:8545c78c r4:852e0500 ** 7 printk messages dropped ** [ 1335.872334][ T32] Exception stack(0xeb4a9fb0 to 0xeb4a9ff8) ** 4 printk messages dropped ** [ 1335.872492][ T32] r4:852e3580 ** 4 printk messages dropped ** [ 1335.873121][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1335.873508][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1335.873683][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1335.873900][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1335.874052][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1335.874178][ T32] r4:00000001 [ 1335.874235][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.874313][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.874354][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.874387][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.874434][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.874475][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.874508][ T32] r4:84e5a340 [ 1335.874551][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.874579][ T32] INFO: task kworker/1:537:4903 blocked for more than 462 seconds. [ 1335.874608][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.874650][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.874675][ T32] task:kworker/1:537 state:D stack:0 pid:4903 tgid:4903 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.874726][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.874789][ T32] Call trace: [ 1335.874820][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.874867][ T32] r10:8291880c r9:eb45dd84 r8:00000002 r7:60000013 r6:eb45dd8c r5:853f0c00 [ 1335.874890][ T32] r4:853f0c00 [ 1335.874909][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.874957][ T32] r5:853f0c00 r4:82918808 [ 1335.874980][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.875016][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.875057][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb45de08 [ 1335.875078][ T32] r4:00000000 [ 1335.875096][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.875129][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.875164][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.875205][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852e39c0 [ 1335.875227][ T32] r4:00000000 [ 1335.875290][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.875355][ T32] r9:83018205 r8:853f0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f087000 [ 1335.875379][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.875420][ T32] r5:00001000 r4:eb2b9000 [ 1335.875457][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.875500][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.875541][ T32] r5:8545cb8c r4:8545c800 [ 1335.875560][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.875620][ T32] r7:ddde2d80 r6:83018200 r5:8545cb8c r4:852e0580 [ 1335.875644][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.875709][ T32] r10:61c88647 r9:853f0c00 r8:852e05ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.875764][ T32] r4:852e0580 [ 1335.875808][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.875874][ T32] r10:00000000 r9:852e0580 r8:8027f5e8 r7:eb48de60 r6:852e0600 r5:853f0c00 [ 1335.875899][ T32] r4:00000001 [ 1335.875941][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.876000][ T32] Exception stack(0xeb45dfb0 to 0xeb45dff8) [ 1335.876047][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1335.876077][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.876122][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.876154][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 5 printk messages dropped ** [ 1335.876690][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1335.877003][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1335.877190][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 6 printk messages dropped ** [ 1335.877423][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1335.877723][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 9 printk messages dropped ** [ 1335.878022][ T32] INFO: task kworker/1:538:4905 blocked for more than 462 seconds. ** 7 printk messages dropped ** [ 1335.878425][ T32] r4:853f1800 ** 3 printk messages dropped ** [ 1335.878557][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1335.878811][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852e3b40 ** 2 printk messages dropped ** [ 1335.878894][ T32] r9:83018205 r8:853f1800 r7:00000000 r6:83018200 r5:00001000 r4:7f089000 [ 1335.878915][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.878953][ T32] r5:00001000 r4:eb335000 [ 1335.878972][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.879050][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.879094][ T32] r5:8545cf8c r4:8545cc00 [ 1335.879114][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.879156][ T32] r7:ddde2d80 r6:83018200 r5:8545cf8c r4:852e0680 [ 1335.879176][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.879240][ T32] r10:61c88647 r9:853f1800 r8:852e06ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.879265][ T32] r4:852e0680 [ 1335.879310][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.879357][ T32] r10:00000000 r9:852e0680 r8:8027f5e8 r7:eb48de60 r6:852e0700 r5:853f1800 [ 1335.879394][ T32] r4:00000001 [ 1335.879421][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.879458][ T32] Exception stack(0xeb4b1fb0 to 0xeb4b1ff8) [ 1335.879484][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1335.879531][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.879570][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.879601][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.879642][ T32] r4:852e3840 [ 1335.902765][ T32] INFO: task kworker/1:538:4905 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.902858][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.902934][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.902994][ T32] Call trace: [ 1335.903027][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.903088][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.903112][ T32] r4:00000000 [ 1335.903147][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.903192][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.903221][ T32] 9d20: ad0c1000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.903249][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.903273][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.903303][ T32] r5:80070013 r4:80239bb0 [ 1335.903346][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.903449][ T32] r4:82ac11a4 [ 1335.903489][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.903541][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.903564][ T32] r4:e47b9dc0 [ 1335.903585][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.903628][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.903650][ T32] r4:00000000 [ 1335.903669][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.903743][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.903769][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.903811][ T32] r5:00001000 r4:ece91000 [ 1335.903831][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.903891][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.903954][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.903978][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.904026][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.904047][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.904091][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.904112][ T32] r4:8454d780 [ 1335.904131][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.904174][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.904201][ T32] r4:00000001 [ 1335.904220][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.904256][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.904310][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.904343][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.904391][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.904422][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.904445][ T32] r4:84e5a340 [ 1335.904477][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.904509][ T32] INFO: task kworker/1:539:4908 blocked for more than 462 seconds. [ 1335.904542][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.904588][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.904633][ T32] task:kworker/1:539 state:D stack:0 pid:4908 tgid:4908 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.904704][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.904745][ T32] Call trace: [ 1335.904785][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.904835][ T32] r10:8291880c r9:eb4b5d84 r8:00000002 r7:60000113 r6:eb4b5d8c r5:853f2400 [ 1335.904878][ T32] r4:853f2400 [ 1335.904902][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.904942][ T32] r5:853f2400 r4:82918808 [ 1335.904962][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.904997][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.905038][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4b5e08 [ 1335.905079][ T32] r4:00000000 [ 1335.905101][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.905194][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.905234][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1335.905427][ T32] r5:00001000 r4:eb4bb000 [ 1335.905446][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.905483][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.905533][ T32] r5:8545d78c r4:8545d400 [ 1335.905555][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.905599][ T32] r7:ddde2d80 r6:83018200 r5:8545d78c r4:852e0780 [ 1335.905619][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.905684][ T32] r10:61c88647 r9:853f2400 r8:852e07ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.905709][ T32] r4:852e0780 [ 1335.905728][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.905791][ T32] r10:00000000 r9:852e0780 r8:8027f5e8 r7:eb48de60 r6:852e0800 r5:853f2400 [ 1335.905818][ T32] r4:00000001 [ 1335.905839][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.905875][ T32] Exception stack(0xeb4b5fb0 to 0xeb4b5ff8) [ 1335.905901][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1335.905937][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.905967][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.905995][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.906017][ T32] r4:852e3ac0 [ 1335.906439][ T32] INFO: task kworker/1:539:4908 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.906500][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.906569][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.906628][ T32] Call trace: [ 1335.906662][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.906711][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.906734][ T32] r4:00000000 [ 1335.906753][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.906808][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.906862][ T32] 9d20: ad0c1000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.906915][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.906944][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.906969][ T32] r5:80070013 r4:80239bb0 [ 1335.907008][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.907060][ T32] r4:82ac11a4 [ 1335.907082][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.907128][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.907150][ T32] r4:e47b9dc0 [ 1335.907168][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.907211][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.907265][ T32] r4:00000000 [ 1335.907306][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1335.907567][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1335.907728][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1335.908116][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1335.908266][ T32] task:kworker/1:540 state:D stack:0 pid:4911 tgid:4911 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1335.908742][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1335.909093][ T32] r5:00001000 r4:eb4c7000 [ 1335.909115][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1335.909312][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1335.909684][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1335.927519][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1335.927769][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 9 printk messages dropped ** [ 1335.928213][ T32] r4:e47b9dc0 ** 5 printk messages dropped ** [ 1335.928391][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1335.928740][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1335.928951][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1335.929212][ T32] task:kworker/1:541 state:D stack:0 pid:4912 tgid:4912 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1335.929655][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4c5e08 ** 8 printk messages dropped ** [ 1335.944308][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.944357][ T32] r5:00001000 r4:eb4d3000 [ 1335.944378][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.944438][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.944507][ T32] r5:8545df8c r4:8545dc00 [ 1335.944552][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.944604][ T32] r7:ddde2d80 r6:83018200 r5:8545df8c r4:852e0980 [ 1335.944626][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.944672][ T32] r10:61c88647 r9:853f3c00 r8:852e09ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.944693][ T32] r4:852e0980 [ 1335.944734][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.944809][ T32] r10:00000000 r9:852e0980 r8:8027f5e8 r7:eb4b9e60 r6:852e0a00 r5:853f3c00 [ 1335.944837][ T32] r4:00000001 [ 1335.944857][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.944904][ T32] Exception stack(0xeb4c5fb0 to 0xeb4c5ff8) [ 1335.944937][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1335.944966][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.944992][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.945047][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.945072][ T32] r4:852e3dc0 [ 1335.945540][ T32] INFO: task kworker/1:541:4912 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1335.945575][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.945643][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.945690][ T32] Call trace: [ 1335.945738][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1335.945823][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.945871][ T32] r4:00000000 [ 1335.945894][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.945933][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.945960][ T32] 9d20: ad800000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.945989][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.946013][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.946070][ T32] r5:80070013 r4:80239bb0 [ 1335.946117][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.946234][ T32] r4:82ac11a4 [ 1335.946313][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.946374][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.946418][ T32] r4:e47b9dc0 [ 1335.946464][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.946513][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.946537][ T32] r4:00000000 [ 1335.946577][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.946626][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.946649][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.946690][ T32] r5:00001000 r4:ece91000 [ 1335.946731][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.946796][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.946861][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.946886][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.946945][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.946969][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.947015][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.947041][ T32] r4:8454d780 [ 1335.947083][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.947173][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.947220][ T32] r4:00000001 [ 1335.947242][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.947301][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.947331][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.947389][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.947440][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.947473][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.947508][ T32] r4:84e5a340 [ 1335.947558][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.947599][ T32] INFO: task kworker/1:542:4915 blocked for more than 462 seconds. [ 1335.947635][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.947682][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.947706][ T32] task:kworker/1:542 state:D stack:0 pid:4915 tgid:4915 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.947764][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.947809][ T32] Call trace: [ 1335.947838][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.947884][ T32] r10:8291880c r9:eb4d1d84 r8:00000002 r7:60000113 r6:eb4d1d8c r5:853f5400 [ 1335.947906][ T32] r4:853f5400 [ 1335.947925][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.947986][ T32] r5:853f5400 r4:82918808 [ 1335.948025][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.948082][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.948148][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4d1e08 [ 1335.948174][ T32] r4:00000000 [ 1335.948193][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.948228][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.948265][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.948311][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852d7fc0 [ 1335.948333][ T32] r4:00000000 [ 1335.948373][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.948442][ T32] r9:83018205 r8:853f5400 r7:00000000 r6:83018200 r5:00001000 r4:7f093000 [ 1335.948466][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.948507][ T32] r5:00001000 r4:eb4df000 [ 1335.948526][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.948564][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.948603][ T32] r5:8545e38c r4:8545e000 [ 1335.948621][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.948685][ T32] r7:ddde2d80 r6:83018200 r5:8545e38c r4:852e0a80 [ 1335.948729][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.948776][ T32] r10:61c88647 r9:853f5400 r8:852e0aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.948807][ T32] r4:852e0a80 [ 1335.948842][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.948892][ T32] r10:00000000 r9:852e0a80 r8:8027f5e8 r7:eb4c5e60 r6:852e0b00 r5:853f5400 [ 1335.948916][ T32] r4:00000001 [ 1335.948934][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.948991][ T32] Exception stack(0xeb4d1fb0 to 0xeb4d1ff8) [ 1335.949021][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1335.949127][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1335.949783][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1335.966790][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1335.967000][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1335.967323][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1335.967527][ T32] r4:8454d780 ** 5 printk messages dropped ** [ 1335.967775][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1335.968165][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1335.968494][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1335.968838][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.968912][ T32] r5:00001000 r4:eb4f7000 ** 3 printk messages dropped ** [ 1335.969073][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1335.969368][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1335.969547][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1335.975318][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1335.975381][ T32] r4:00000000 [ 1335.975405][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1335.975446][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1335.975476][ T32] 9d20: adc0f000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1335.975528][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1335.975556][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1335.975601][ T32] r5:80070013 r4:80239bb0 [ 1335.975625][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1335.975683][ T32] r4:82ac11a4 [ 1335.975706][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1335.975754][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1335.975797][ T32] r4:e47b9dc0 [ 1335.975821][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.975874][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1335.975901][ T32] r4:00000000 [ 1335.975943][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1335.975999][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1335.976022][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1335.976072][ T32] r5:00001000 r4:ece91000 [ 1335.976126][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1335.976170][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1335.976212][ T32] r5:85a7af8c r4:85a7ac00 [ 1335.976232][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1335.976300][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1335.976325][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1335.976390][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1335.976417][ T32] r4:8454d780 [ 1335.976437][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1335.976481][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1335.976534][ T32] r4:00000001 [ 1335.976557][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1335.976613][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1335.976643][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1335.976671][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1335.976697][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1335.976725][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1335.976747][ T32] r4:84e5a340 [ 1335.976783][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1335.976813][ T32] INFO: task kworker/1:544:4918 blocked for more than 462 seconds. [ 1335.976847][ T32] Not tainted 6.15.0-syzkaller #0 [ 1335.976871][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1335.976915][ T32] task:kworker/1:544 state:D stack:0 pid:4918 tgid:4918 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1335.976963][ T32] Workqueue: events bpf_prog_free_deferred [ 1335.977022][ T32] Call trace: [ 1335.977090][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1335.977141][ T32] r10:8291880c r9:eb4f5d84 r8:00000002 r7:60000113 r6:eb4f5d8c r5:853f0000 [ 1335.977164][ T32] r4:853f0000 [ 1335.977183][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1335.977243][ T32] r5:853f0000 r4:82918808 [ 1335.977267][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1335.977306][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1335.977369][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4f5e08 [ 1335.977403][ T32] r4:00000000 [ 1335.977455][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1335.977496][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1335.977560][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1335.977607][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8548f0c0 [ 1335.977629][ T32] r4:00000000 [ 1335.977648][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1335.977772][ T32] r5:00001000 r4:eb4e7000 [ 1335.977811][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1335.977907][ T32] r5:8545e78c r4:8545e400 ** 3 printk messages dropped ** [ 1335.978067][ T32] r10:61c88647 r9:853f0000 r8:852e0cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1335.978550][ T32] r4:8548f180 ** 2 printk messages dropped ** [ 1335.979070][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1335.979283][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1335.979466][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1335.997125][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1335.997664][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 4 printk messages dropped ** [ 1335.997887][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1335.998212][ T32] INFO: task kworker/1:545:4920 blocked for more than 462 seconds. ** 7 printk messages dropped ** [ 1335.998704][ T32] r4:853f6000 ** 5 printk messages dropped ** [ 1335.998958][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1335.999301][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8548fd00 ** 4 printk messages dropped ** [ 1335.999564][ T32] r5:00001000 r4:eb54b000 ** 1 printk messages dropped ** [ 1335.999632][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1336.007146][ T32] r10:00000000 r9:852e0d80 r8:8027f5e8 r7:eb4f1e60 r6:852e0e00 r5:853f6000 ** 2 printk messages dropped ** [ 1336.007224][ T32] Exception stack(0xeb50dfb0 to 0xeb50dff8) [ 1336.007276][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.007313][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.007351][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.007405][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.007451][ T32] r4:8548f000 [ 1336.007949][ T32] INFO: task kworker/1:545:4920 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.008010][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.008127][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.008188][ T32] Call trace: [ 1336.008224][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.008277][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.008301][ T32] r4:00000000 [ 1336.008343][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.008417][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.008450][ T32] 9d20: ae216000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.008479][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.008504][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.008527][ T32] r5:80070013 r4:80239bb0 [ 1336.008546][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.008592][ T32] r4:82ac11a4 [ 1336.008611][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.008657][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.008699][ T32] r4:e47b9dc0 [ 1336.008723][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.008792][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.008839][ T32] r4:00000000 [ 1336.008862][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.008907][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.008929][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.008970][ T32] r5:00001000 r4:ece91000 [ 1336.009011][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.009080][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.009126][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.009146][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.009201][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.009239][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.009286][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.009308][ T32] r4:8454d780 [ 1336.009327][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.009390][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.009417][ T32] r4:00000001 [ 1336.009436][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.009471][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.009519][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.009551][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.009578][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.009606][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.009643][ T32] r4:84e5a340 [ 1336.009668][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.009718][ T32] INFO: task kworker/0:351:4922 blocked for more than 462 seconds. [ 1336.009757][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.009793][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.009817][ T32] task:kworker/0:351 state:D stack:0 pid:4922 tgid:4922 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.022103][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.022226][ T32] Call trace: [ 1336.022310][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.022373][ T32] r10:8291880c r9:eb425d84 r8:00000002 r7:60000113 r6:eb425d8c r5:85422400 [ 1336.022397][ T32] r4:85422400 [ 1336.022481][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 2 printk messages dropped ** [ 1336.022699][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1336.023290][ T32] r5:00001000 r4:eb50f000 [ 1336.023343][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.023388][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1336.023569][ T32] r7:dddced80 r6:83018000 r5:853c8f8c r4:852d9b00 ** 8 printk messages dropped ** [ 1336.023990][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1336.024876][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1336.025389][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 8 printk messages dropped ** [ 1336.025707][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1336.026337][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1336.026791][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1336.027120][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1336.027693][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1336.028096][ T32] r5:00001000 r4:eb52b000 [ 1336.028116][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1336.028212][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1336.028457][ T32] r10:00000000 r9:852e0e80 r8:8027f5e8 r7:eb50de60 r6:852d9c00 r5:85420000 ** 6 printk messages dropped ** [ 1336.028639][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.028680][ T32] r4:8548f000 [ 1336.029031][ T32] INFO: task kworker/1:546:4924 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.029069][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.029172][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.029244][ T32] Call trace: [ 1336.029302][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.029351][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.029375][ T32] r4:00000000 [ 1336.029394][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.029451][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.029483][ T32] 9d20: ae5de000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.029512][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.029536][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.029560][ T32] r5:80070013 r4:80239bb0 [ 1336.029579][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.029623][ T32] r4:82ac11a4 [ 1336.029642][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.029687][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.029709][ T32] r4:e47b9dc0 [ 1336.029727][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.052095][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.052205][ T32] r4:00000000 [ 1336.052258][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.052337][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.052360][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.052405][ T32] r5:00001000 r4:ece91000 [ 1336.052425][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.052464][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.052505][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.052525][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.052570][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.052611][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.052661][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.052727][ T32] r4:8454d780 [ 1336.052775][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.052843][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.052913][ T32] r4:00000001 [ 1336.052958][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.053001][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.053120][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.053179][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.053210][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.053267][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.053297][ T32] r4:84e5a340 [ 1336.053345][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.053409][ T32] INFO: task kworker/0:352:4926 blocked for more than 462 seconds. [ 1336.053506][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.053601][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.053634][ T32] task:kworker/0:352 state:D stack:0 pid:4926 tgid:4926 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.053718][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.053763][ T32] Call trace: [ 1336.053811][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.053874][ T32] r10:8291880c r9:eb519d84 r8:00000002 r7:60000113 r6:eb519d8c r5:85423000 [ 1336.053920][ T32] r4:85423000 [ 1336.053950][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.053992][ T32] r5:85423000 r4:82918808 [ 1336.054012][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1336.054281][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852e6b40 ** 4 printk messages dropped ** [ 1336.054493][ T32] r5:00001000 r4:eb51b000 [ 1336.054536][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1336.054644][ T32] r5:853c938c r4:853c9000 ** 3 printk messages dropped ** [ 1336.054791][ T32] r10:61c88647 r9:85423000 r8:852d9cac r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1336.055196][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1336.055993][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1336.056213][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1336.056545][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 7 printk messages dropped ** [ 1336.056913][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1336.057162][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1336.057418][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1336.057858][ T32] Call trace: ** 6 printk messages dropped ** [ 1336.058183][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1336.058463][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1336.058640][ T32] r5:00001000 r4:eb533000 [ 1336.058684][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.058726][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.058768][ T32] r5:853c978c r4:853c9400 [ 1336.058810][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.058856][ T32] r7:dddced80 r6:83018000 r5:853c978c r4:852d9d80 [ 1336.058878][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.058957][ T32] r10:61c88647 r9:85423c00 r8:852d9dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1336.059053][ T32] r4:852d9d80 [ 1336.059077][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.059122][ T32] r10:00000000 r9:852d9d80 r8:8027f5e8 r7:eb2a1e60 r6:852d9e00 r5:85423c00 [ 1336.059145][ T32] r4:00000001 [ 1336.059165][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.059219][ T32] Exception stack(0xeb529fb0 to 0xeb529ff8) [ 1336.059248][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.059276][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.059302][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.059350][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.059387][ T32] r4:852e6d40 [ 1336.059772][ T32] INFO: task kworker/0:353:4927 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.082987][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.083097][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.083164][ T32] Call trace: [ 1336.083198][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.083270][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.083329][ T32] r4:00000000 [ 1336.083354][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.083416][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.083454][ T32] 9d20: af0d0000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.083484][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.083509][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.083556][ T32] r5:80070013 r4:80239bb0 [ 1336.083581][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.083630][ T32] r4:82ac11a4 [ 1336.083651][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.083698][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.083720][ T32] r4:e47b9dc0 [ 1336.083739][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.083782][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.083889][ T32] r4:00000000 [ 1336.083913][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.083980][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.084005][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.084075][ T32] r5:00001000 r4:ece91000 [ 1336.084118][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.084162][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.084225][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.084250][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.084297][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.084333][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.084381][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.084403][ T32] r4:8454d780 [ 1336.084528][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.084576][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.084598][ T32] r4:00000001 [ 1336.084618][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.084683][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.084714][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.084742][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.084769][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.084816][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.084884][ T32] r4:84e5a340 [ 1336.084932][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.084965][ T32] INFO: task kworker/1:547:4929 blocked for more than 462 seconds. [ 1336.085050][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.085081][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.085103][ T32] task:kworker/1:547 state:D stack:0 pid:4929 tgid:4929 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.085192][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.085279][ T32] Call trace: [ 1336.085339][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.085411][ T32] r10:8291880c r9:eb525d84 r8:00000002 r7:60000013 r6:eb525d8c r5:85424800 [ 1336.085436][ T32] r4:85424800 [ 1336.085498][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.085584][ T32] r5:85424800 r4:82918808 [ 1336.085712][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.085753][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.085795][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb525e08 [ 1336.085816][ T32] r4:00000000 [ 1336.085843][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.085882][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.085921][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.085977][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8548fc40 [ 1336.086033][ T32] r4:00000000 [ 1336.086090][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.086157][ T32] r9:83018205 r8:85424800 r7:00000000 r6:83018200 r5:00001000 r4:7f0c5000 [ 1336.086181][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.086268][ T32] r5:00001000 r4:eb53f000 [ 1336.086292][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.086331][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.086371][ T32] r5:8545f38c r4:8545f000 [ 1336.086399][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.086448][ T32] r7:ddde2d80 r6:83018200 r5:8545f38c r4:852e0f00 [ 1336.086490][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.086558][ T32] r10:61c88647 r9:85424800 r8:852e0f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.086585][ T32] r4:852e0f00 [ 1336.086620][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.086665][ T32] r10:00000000 r9:852e0f00 r8:8027f5e8 r7:eb50de60 r6:852d9e80 r5:85424800 [ 1336.086688][ T32] r4:00000001 [ 1336.086706][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.086742][ T32] Exception stack(0xeb525fb0 to 0xeb525ff8) [ 1336.086788][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.086840][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.086890][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.086942][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.086975][ T32] r4:8548f9c0 [ 1336.087492][ T32] INFO: task kworker/1:547:4929 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.087569][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.087653][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1336.088049][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1336.088371][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1336.088582][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 4 printk messages dropped ** [ 1336.088750][ T32] r5:00001000 r4:ece91000 [ 1336.088785][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.088870][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.088915][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.088956][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.089027][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.089078][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.089127][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.089150][ T32] r4:8454d780 [ 1336.089211][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.089257][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.089452][ T32] r4:00000001 [ 1336.089477][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.089515][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.089592][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.089624][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.089670][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.100273][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.100383][ T32] r4:84e5a340 [ 1336.100436][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.100473][ T32] INFO: task kworker/1:548:4933 blocked for more than 462 seconds. [ 1336.100509][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.100534][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.100556][ T32] task:kworker/1:548 state:D stack:0 pid:4933 tgid:4933 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.100637][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.100709][ T32] Call trace: [ 1336.100778][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.100847][ T32] r10:8291880c r9:eb559d84 r8:00000002 r7:60000113 r6:eb559d8c r5:85426c00 [ 1336.100874][ T32] r4:85426c00 [ 1336.100915][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.100959][ T32] r5:85426c00 r4:82918808 [ 1336.100999][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.101047][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.101143][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb559e08 [ 1336.101184][ T32] r4:00000000 [ 1336.101204][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.101241][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.101304][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.101366][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8548ff80 [ 1336.101391][ T32] r4:00000000 [ 1336.101433][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.101504][ T32] r9:83018205 r8:85426c00 r7:00000000 r6:83018200 r5:00001000 r4:7f027000 [ 1336.101529][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.101594][ T32] r5:00001000 r4:dfa13000 [ 1336.101644][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.101726][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1336.101910][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1336.102388][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1336.103326][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1336.103501][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1336.103824][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1336.104313][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1336.104591][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1336.104945][ T32] Call trace: ** 5 printk messages dropped ** [ 1336.105195][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1336.105752][ T32] r9:83018205 r8:85426000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c9000 ** 1 printk messages dropped ** [ 1336.105859][ T32] r5:00001000 r4:eb55b000 ** 2 printk messages dropped ** [ 1336.106052][ T32] r5:8545fb8c r4:8545f800 ** 2 printk messages dropped ** [ 1336.106224][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.106405][ T32] r10:61c88647 r9:85426000 r8:8548102c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.106476][ T32] r4:85481000 [ 1336.106500][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.106548][ T32] r10:00000000 r9:85481000 r8:8027f5e8 r7:eb559e60 r6:852d9f80 r5:85426000 [ 1336.106570][ T32] r4:00000001 [ 1336.106588][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.106623][ T32] Exception stack(0xeb3c1fb0 to 0xeb3c1ff8) [ 1336.106648][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1336.106676][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.106701][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.106749][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.106776][ T32] r4:8548fcc0 [ 1336.107129][ T32] INFO: task kworker/1:549:4935 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.107180][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.107237][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.107282][ T32] Call trace: [ 1336.107343][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.107427][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.107475][ T32] r4:00000000 [ 1336.107498][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.107536][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.107584][ T32] 9d20: af0d0000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.107616][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.107640][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.107664][ T32] r5:80070013 r4:80239bb0 [ 1336.107704][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.107753][ T32] r4:82ac11a4 [ 1336.107793][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.107843][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.107865][ T32] r4:e47b9dc0 [ 1336.107884][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.107948][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.107996][ T32] r4:00000000 [ 1336.108017][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.108071][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.108093][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.108134][ T32] r5:00001000 r4:ece91000 [ 1336.108153][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.108213][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.108282][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.108324][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.108385][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.108411][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.108456][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.108498][ T32] r4:8454d780 [ 1336.108530][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.108577][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.108622][ T32] r4:00000001 [ 1336.108644][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.108681][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.108750][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.108781][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.108828][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.108859][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.108910][ T32] r4:84e5a340 ** 1 printk messages dropped ** [ 1336.109007][ T32] INFO: task kworker/1:550:4937 blocked for more than 462 seconds. ** 9 printk messages dropped ** [ 1336.109553][ T32] r5:8455ec00 r4:82918808 ** 4 printk messages dropped ** [ 1336.142601][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1336.143034][ T32] r5:00001000 r4:e068f000 [ 1336.143060][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.143099][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1336.143271][ T32] r10:61c88647 r9:8455ec00 r8:854810ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1336.143647][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1336.144590][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1336.145045][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1336.145315][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1336.145453][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1336.145836][ T32] r4:8454d780 ** 3 printk messages dropped ** [ 1336.145938][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 9 printk messages dropped ** [ 1336.146245][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 4 printk messages dropped ** [ 1336.146432][ T32] r10:8291880c r9:eb389d84 r8:00000002 r7:60000013 r6:eb389d8c r5:85425400 ** 6 printk messages dropped ** [ 1336.146659][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1336.146832][ T32] r4:00000000 [ 1336.146852][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.146895][ T32] r9:83018205 r8:85425400 r7:00000000 r6:83018200 r5:00001000 r4:7f037000 [ 1336.146935][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.146980][ T32] r5:00001000 r4:dfb5f000 [ 1336.147000][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.147046][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.147089][ T32] r5:8546078c r4:85460400 [ 1336.147108][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.147150][ T32] r7:ddde2d80 r6:83018200 r5:8546078c r4:85481100 [ 1336.147170][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.147227][ T32] r10:61c88647 r9:85425400 r8:8548112c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.147299][ T32] r4:85481100 [ 1336.147322][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.147366][ T32] r10:00000000 r9:85481100 r8:8027f5e8 r7:eb3d1e60 r6:85491080 r5:85425400 [ 1336.147388][ T32] r4:00000001 [ 1336.147407][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.147459][ T32] Exception stack(0xeb389fb0 to 0xeb389ff8) [ 1336.147499][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.147552][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.147582][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.147644][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.147690][ T32] r4:8548ffc0 [ 1336.148039][ T32] INFO: task kworker/1:551:4938 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.148084][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.148168][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.148212][ T32] Call trace: [ 1336.148241][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.148289][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.148311][ T32] r4:00000000 [ 1336.148330][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.148366][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.148393][ T32] 9d20: af71b000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.148431][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.148459][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.148483][ T32] r5:80070013 r4:80239bb0 [ 1336.148502][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.148547][ T32] r4:82ac11a4 [ 1336.148567][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.148612][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.148663][ T32] r4:e47b9dc0 [ 1336.148687][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.148783][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.148808][ T32] r4:00000000 [ 1336.148828][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.148892][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.148937][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.148984][ T32] r5:00001000 r4:ece91000 [ 1336.149025][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.149074][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.149116][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.149156][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.149237][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.149282][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.149330][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.149352][ T32] r4:8454d780 [ 1336.149393][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.149439][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.149462][ T32] r4:00000001 [ 1336.149480][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.149515][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.149540][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.149567][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.149594][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.149622][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.149643][ T32] r4:84e5a340 [ 1336.149682][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.149711][ T32] INFO: task kworker/1:552:4941 blocked for more than 462 seconds. [ 1336.149739][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.149761][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1336.149875][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1336.168968][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb3f1e08 ** 9 printk messages dropped ** [ 1336.169429][ T32] r5:00001000 r4:dfe5f000 [ 1336.169448][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1336.169594][ T32] r7:ddde2d80 r6:83018200 r5:85460b8c r4:85481180 ** 8 printk messages dropped ** [ 1336.172852][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1336.173719][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1336.174132][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1336.174338][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 7 printk messages dropped ** [ 1336.174669][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1336.174869][ T32] r4:8454d780 ** 2 printk messages dropped ** [ 1336.174984][ T32] r4:00000001 [ 1336.175005][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.175047][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.175074][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.175135][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.175176][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.175208][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.175229][ T32] r4:84e5a340 [ 1336.175250][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.175302][ T32] INFO: task kworker/0:354:4942 blocked for more than 462 seconds. [ 1336.175342][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.175389][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.175416][ T32] task:kworker/0:354 state:D stack:0 pid:4942 tgid:4942 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.175461][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.175516][ T32] Call trace: [ 1336.175575][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.175646][ T32] r10:8291880c r9:eb419d84 r8:00000002 r7:60000113 r6:eb419d8c r5:85428000 [ 1336.175673][ T32] r4:85428000 [ 1336.175693][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.175755][ T32] r5:85428000 r4:82918808 [ 1336.175800][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.175841][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.175903][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb419e08 [ 1336.175929][ T32] r4:00000000 [ 1336.175966][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.176026][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.176075][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.176117][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85492240 [ 1336.176138][ T32] r4:00000000 [ 1336.176178][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.176234][ T32] r9:83018005 r8:85428000 r7:00000000 r6:83018000 r5:00001000 r4:7f03d000 [ 1336.176258][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.176299][ T32] r5:00001000 r4:e0715000 [ 1336.176320][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.176367][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.176411][ T32] r5:8546138c r4:85461000 [ 1336.176432][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.176474][ T32] r7:dddced80 r6:83018000 r5:8546138c r4:85491180 ** 4 printk messages dropped ** [ 1336.176665][ T32] r10:00000000 r9:85491180 r8:8027f5e8 r7:eb2a1e60 r6:85491200 r5:85428000 ** 10 printk messages dropped ** [ 1336.177377][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1336.177585][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1336.177758][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1336.178040][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 7 printk messages dropped ** [ 1336.178353][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1336.178522][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1336.178867][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1336.179200][ T32] Call trace: ** 6 printk messages dropped ** [ 1336.179538][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1336.198437][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.198490][ T32] r5:00001000 r4:eb013000 ** 3 printk messages dropped ** [ 1336.198692][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1336.199056][ T32] Exception stack(0xeb56dfb0 to 0xeb56dff8) ** 3 printk messages dropped ** [ 1336.199179][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1336.204697][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.204740][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.204787][ T32] 9d20: afff5000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.204853][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.204904][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.204958][ T32] r5:80070013 r4:80239bb0 [ 1336.204996][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.205057][ T32] r4:82ac11a4 [ 1336.205078][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.205130][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.205203][ T32] r4:e47b9dc0 [ 1336.205255][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.205335][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.205362][ T32] r4:00000000 [ 1336.205383][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.205429][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.205450][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.205491][ T32] r5:00001000 r4:ece91000 [ 1336.205510][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.205570][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.205617][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.205637][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.205683][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.205704][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.205769][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.205796][ T32] r4:8454d780 [ 1336.205817][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.205891][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.205916][ T32] r4:00000001 [ 1336.205936][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.205970][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.205997][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.206024][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.206056][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.206085][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.206107][ T32] r4:84e5a340 [ 1336.206128][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.206156][ T32] INFO: task kworker/1:554:4946 blocked for more than 462 seconds. [ 1336.206222][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.206260][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.206281][ T32] task:kworker/1:554 state:D stack:0 pid:4946 tgid:4946 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.206332][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.206372][ T32] Call trace: [ 1336.206414][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.206486][ T32] r10:8291880c r9:eb571d84 r8:00000002 r7:60000013 r6:eb571d8c r5:85428c00 [ 1336.206513][ T32] r4:85428c00 [ 1336.206542][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.206585][ T32] r5:85428c00 r4:82918808 [ 1336.206652][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.206693][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.206735][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb571e08 [ 1336.206756][ T32] r4:00000000 [ 1336.206775][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.206808][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.206866][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.206913][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85492500 [ 1336.206960][ T32] r4:00000000 [ 1336.207026][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.207095][ T32] r9:83018205 r8:85428c00 r7:00000000 r6:83018200 r5:00001000 r4:7f041000 [ 1336.207116][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.207177][ T32] r5:00001000 r4:eabbb000 [ 1336.207200][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1336.207342][ T32] r7:ddde2d80 r6:83018200 r5:8546178c r4:85481300 ** 8 printk messages dropped ** [ 1336.207640][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1336.208423][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1336.208702][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 9 printk messages dropped ** [ 1336.209063][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1336.209305][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1336.209507][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1336.226125][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1336.226327][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 10 printk messages dropped ** [ 1336.226867][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb569e08 ** 8 printk messages dropped ** [ 1336.227335][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.227381][ T32] r5:00001000 r4:eac35000 ** 1 printk messages dropped ** [ 1336.227479][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1336.227775][ T32] r4:85491380 ** 5 printk messages dropped ** [ 1336.227948][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1336.228615][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1336.228900][ T32] r4:00000000 [ 1336.228924][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.228962][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.229011][ T32] 9d20: b0453000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.229057][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.229095][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.229122][ T32] r5:80070013 r4:80239bb0 [ 1336.229143][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.229208][ T32] r4:82ac11a4 [ 1336.229232][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.229279][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.229302][ T32] r4:e47b9dc0 [ 1336.229321][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.229385][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.229410][ T32] r4:00000000 [ 1336.229440][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.229488][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.229529][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.229595][ T32] r5:00001000 r4:ece91000 [ 1336.229619][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.229658][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.229699][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.229799][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.242689][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.242735][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.242826][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.242855][ T32] r4:8454d780 [ 1336.242876][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.242923][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.242945][ T32] r4:00000001 [ 1336.242963][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.243024][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.243074][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.243105][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.243140][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.243172][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.243194][ T32] r4:84e5a340 [ 1336.243217][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.243263][ T32] INFO: task kworker/0:356:4952 blocked for more than 462 seconds. [ 1336.243301][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.243325][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.243346][ T32] task:kworker/0:356 state:D stack:0 pid:4952 tgid:4952 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.243429][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.243507][ T32] Call trace: [ 1336.243546][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.243619][ T32] r10:8291880c r9:eb549d84 r8:00000002 r7:60000113 r6:eb549d8c r5:8542bc00 [ 1336.243646][ T32] r4:8542bc00 [ 1336.243666][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.243724][ T32] r5:8542bc00 r4:82918808 [ 1336.243748][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.243785][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.243862][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb549e08 [ 1336.243919][ T32] r4:00000000 [ 1336.243963][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.244046][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.244097][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.244142][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85492700 [ 1336.244164][ T32] r4:00000000 [ 1336.244184][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.244229][ T32] r9:83018005 r8:8542bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f045000 [ 1336.244250][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.244292][ T32] r5:00001000 r4:eac81000 [ 1336.244311][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.244350][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.244390][ T32] r5:85461b8c r4:85461800 [ 1336.244409][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.244452][ T32] r7:dddced80 r6:83018000 r5:85461b8c r4:85491480 [ 1336.244472][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.244515][ T32] r10:61c88647 r9:8542bc00 r8:854914ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1336.244536][ T32] r4:85491480 [ 1336.244555][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.244597][ T32] r10:00000000 r9:85491480 r8:8027f5e8 r7:eb569e60 r6:85491500 r5:8542bc00 [ 1336.244618][ T32] r4:00000001 [ 1336.244637][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.244695][ T32] Exception stack(0xeb549fb0 to 0xeb549ff8) [ 1336.244744][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.244795][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1336.245507][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1336.245831][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 8 printk messages dropped ** [ 1336.246144][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 9 printk messages dropped ** [ 1336.246584][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 4 printk messages dropped ** [ 1336.246754][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.246775][ T32] r4:00000001 [ 1336.246795][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.246829][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.246854][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.246881][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.246927][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.246977][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.247003][ T32] r4:84e5a340 [ 1336.247023][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.247058][ T32] INFO: task kworker/1:555:4953 blocked for more than 462 seconds. [ 1336.247086][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.247128][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.247153][ T32] task:kworker/1:555 state:D stack:0 pid:4953 tgid:4953 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.247198][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.247250][ T32] Call trace: [ 1336.247280][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.247330][ T32] r10:8291880c r9:eb53dd84 r8:00000002 r7:60000013 r6:eb53dd8c r5:8542c800 [ 1336.247353][ T32] r4:8542c800 [ 1336.247372][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 6 printk messages dropped ** [ 1336.247625][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1336.247929][ T32] r5:00001000 r4:ead33000 [ 1336.247952][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1336.248083][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1336.248426][ T32] Exception stack(0xeb53dfb0 to 0xeb53dff8) ** 6 printk messages dropped ** [ 1336.248944][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1336.249433][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1336.249728][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 9 printk messages dropped ** [ 1336.264797][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 8 printk messages dropped ** [ 1336.265166][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1336.265484][ T32] task:kworker/0:357 state:D stack:0 pid:4955 tgid:4955 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1336.266047][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1336.266412][ T32] r9:83018005 r8:8542d400 r7:00000000 r6:83018000 r5:00001000 r4:7f047000 ** 1 printk messages dropped ** [ 1336.266503][ T32] r5:00001000 r4:eacdd000 ** 1 printk messages dropped ** [ 1336.266582][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1336.266750][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.266797][ T32] r10:61c88647 r9:8542d400 r8:8549162c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1336.266832][ T32] r4:85491600 [ 1336.266876][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.266933][ T32] r10:00000000 r9:85491600 r8:8027f5e8 r7:eb549e60 r6:85491680 r5:8542d400 [ 1336.266960][ T32] r4:00000001 [ 1336.267002][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.267050][ T32] Exception stack(0xeb575fb0 to 0xeb575ff8) [ 1336.267078][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.267126][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.267160][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.267190][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.267212][ T32] r4:8548be00 [ 1336.267691][ T32] INFO: task kworker/0:357:4955 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.267724][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.267932][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.268055][ T32] Call trace: [ 1336.268260][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.268314][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.268338][ T32] r4:00000000 [ 1336.268380][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.268421][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.268448][ T32] 9d20: b09df000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.268476][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.268545][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.268573][ T32] r5:80070013 r4:80239bb0 [ 1336.268693][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.268743][ T32] r4:82ac11a4 [ 1336.268805][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.268856][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.268899][ T32] r4:e47b9dc0 [ 1336.268943][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.269011][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.269049][ T32] r4:00000000 [ 1336.269094][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.269169][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.269194][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.269237][ T32] r5:00001000 r4:ece91000 [ 1336.269257][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.269325][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.269391][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.269423][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.269472][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.269493][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.269538][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.269560][ T32] r4:8454d780 [ 1336.269579][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.269640][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.269666][ T32] r4:00000001 [ 1336.269685][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.269790][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.286735][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.286787][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.286814][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.286845][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.286891][ T32] r4:84e5a340 [ 1336.286920][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.286980][ T32] INFO: task kworker/0:358:4957 blocked for more than 462 seconds. [ 1336.287018][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.287054][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 5 printk messages dropped ** [ 1336.287323][ T32] r4:8542e000 ** 5 printk messages dropped ** [ 1336.287566][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1336.287772][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85484dc0 ** 4 printk messages dropped ** [ 1336.288052][ T32] r5:00001000 r4:eb3d5000 [ 1336.288077][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1336.288275][ T32] r7:dddced80 r6:83018000 r5:8546538c r4:85491700 ** 5 printk messages dropped ** [ 1336.288536][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1336.288726][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 5 printk messages dropped ** [ 1336.289512][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 7 printk messages dropped ** [ 1336.296428][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1336.296753][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1336.297385][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1336.297595][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1336.297863][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 4 printk messages dropped ** [ 1336.298117][ T32] r10:8291880c r9:eb581d84 r8:00000002 r7:60000113 r6:eb581d8c r5:8542ec00 [ 1336.298161][ T32] r4:8542ec00 [ 1336.298185][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.298275][ T32] r5:8542ec00 r4:82918808 [ 1336.298310][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.298349][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.298414][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb581e08 [ 1336.298439][ T32] r4:00000000 [ 1336.298459][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.298493][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.298529][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.298570][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8548b1c0 [ 1336.298593][ T32] r4:00000000 [ 1336.298632][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.298701][ T32] r9:83018005 r8:8542ec00 r7:00000000 r6:83018000 r5:00001000 r4:7f04b000 [ 1336.298725][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.298795][ T32] r5:00001000 r4:ead63000 [ 1336.298839][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.298883][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.298923][ T32] r5:853ca78c r4:853ca400 [ 1336.298942][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.298985][ T32] r7:dddced80 r6:83018000 r5:853ca78c r4:85491800 [ 1336.299028][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.299085][ T32] r10:61c88647 r9:8542ec00 r8:8549182c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1336.299126][ T32] r4:85491800 [ 1336.299147][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.299191][ T32] r10:00000000 r9:85491800 r8:8027f5e8 r7:eb579e60 r6:85491880 r5:8542ec00 [ 1336.299234][ T32] r4:00000001 [ 1336.299293][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.299335][ T32] Exception stack(0xeb581fb0 to 0xeb581ff8) [ 1336.299363][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1336.299391][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.299416][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.299444][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.299475][ T32] r4:8548bd40 [ 1336.312378][ T32] INFO: task kworker/0:359:4958 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.312473][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.312563][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.312650][ T32] Call trace: [ 1336.312719][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.312775][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.312799][ T32] r4:00000000 [ 1336.312819][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.312856][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.312906][ T32] 9d20: b139c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.312939][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.312980][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.313007][ T32] r5:80070013 r4:80239bb0 [ 1336.313051][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.313112][ T32] r4:82ac11a4 [ 1336.313156][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.313237][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.313262][ T32] r4:e47b9dc0 [ 1336.313284][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.313353][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.313392][ T32] r4:00000000 [ 1336.313430][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.313484][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.313507][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.313548][ T32] r5:00001000 r4:ece91000 [ 1336.313571][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.313611][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.313654][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.313687][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1336.313874][ T32] r4:8454d780 ** 5 printk messages dropped ** [ 1336.314109][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1336.314489][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1336.314834][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1336.315282][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.315327][ T32] r5:00001000 r4:eae25000 ** 2 printk messages dropped ** [ 1336.315457][ T32] r5:8546238c r4:85462000 ** 2 printk messages dropped ** [ 1336.315593][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1336.315917][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1336.316708][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.316731][ T32] r4:00000000 [ 1336.316750][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.316785][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.316834][ T32] 9d20: b139c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.316867][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.316891][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.316938][ T32] r5:80070013 r4:80239bb0 [ 1336.316962][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.317007][ T32] r4:82ac11a4 [ 1336.317026][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.317104][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.317129][ T32] r4:e47b9dc0 [ 1336.317149][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.317211][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.317237][ T32] r4:00000000 [ 1336.317257][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.317322][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.317347][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.317388][ T32] r5:00001000 r4:ece91000 [ 1336.317409][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.317467][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.317513][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.317533][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.317577][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.317620][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.317691][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.317716][ T32] r4:8454d780 [ 1336.317757][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.317823][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.317861][ T32] r4:00000001 [ 1336.317910][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.317950][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.317976][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.318003][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.318048][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.318080][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.318102][ T32] r4:84e5a340 [ 1336.318143][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.318210][ T32] INFO: task kworker/1:557:4963 blocked for more than 462 seconds. [ 1336.318245][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.318268][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.318290][ T32] task:kworker/1:557 state:D stack:0 pid:4963 tgid:4963 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.318372][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.318426][ T32] Call trace: [ 1336.318457][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.318504][ T32] r10:8291880c r9:eb589d84 r8:00000002 r7:60000113 r6:eb589d8c r5:84d90000 ** 3 printk messages dropped ** [ 1336.318705][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1336.319210][ T32] r9:83018205 r8:84d90000 r7:00000000 r6:83018200 r5:00001000 r4:7f04f000 ** 1 printk messages dropped ** [ 1336.319272][ T32] r5:00001000 r4:eae9f000 [ 1336.319291][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1336.319387][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1336.342942][ T32] Exception stack(0xeb589fb0 to 0xeb589ff8) ** 5 printk messages dropped ** [ 1336.343708][ T32] INFO: task kworker/1:557:4963 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 7 printk messages dropped ** [ 1336.344164][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 7 printk messages dropped ** [ 1336.344448][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 8 printk messages dropped ** [ 1336.344804][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1336.345074][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.345131][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.345181][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.345205][ T32] r4:8454d780 [ 1336.345283][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.345332][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.345356][ T32] r4:00000001 [ 1336.345375][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.345411][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.345436][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.345464][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.345490][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.345520][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.345542][ T32] r4:84e5a340 [ 1336.345562][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.345621][ T32] INFO: task kworker/1:558:4966 blocked for more than 462 seconds. [ 1336.345659][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.345712][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.345769][ T32] task:kworker/1:558 state:D stack:0 pid:4966 tgid:4966 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.345845][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.345891][ T32] Call trace: [ 1336.345955][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.346018][ T32] r10:8291880c r9:eb595d84 r8:00000002 r7:60000013 r6:eb595d8c r5:84d92400 [ 1336.346085][ T32] r4:84d92400 [ 1336.346107][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.346176][ T32] r5:84d92400 r4:82918808 [ 1336.346240][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.346320][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.346375][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb595e08 [ 1336.346397][ T32] r4:00000000 [ 1336.346417][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.346452][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.346489][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.346530][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85492f00 [ 1336.346552][ T32] r4:00000000 [ 1336.346571][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.346654][ T32] r9:83018205 r8:84d92400 r7:00000000 r6:83018200 r5:00001000 r4:7f053000 [ 1336.346711][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.346763][ T32] r5:00001000 r4:eb10d000 [ 1336.346858][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.346974][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.347099][ T32] r5:85462f8c r4:85462c00 [ 1336.347151][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.347249][ T32] r7:ddde2d80 r6:83018200 r5:85462f8c r4:85481480 [ 1336.347305][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.347402][ T32] r10:61c88647 r9:84d92400 r8:854814ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.347469][ T32] r4:85481480 [ 1336.347522][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.347613][ T32] r10:00000000 r9:85481480 r8:8027f5e8 r7:eb56de60 r6:85491a00 r5:84d92400 [ 1336.347658][ T32] r4:00000001 [ 1336.347702][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.347783][ T32] Exception stack(0xeb595fb0 to 0xeb595ff8) [ 1336.347839][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.347882][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1336.348485][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1336.349302][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1336.370349][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1336.370834][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1336.371450][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1336.371773][ T32] task:kworker/1:559 state:D stack:0 pid:4968 tgid:4968 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1336.372194][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb59de08 ** 9 printk messages dropped ** [ 1336.372804][ T32] r5:00001000 r4:eb14d000 [ 1336.372842][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1336.373132][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1336.373784][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1336.375083][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1336.375441][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 9 printk messages dropped ** [ 1336.375933][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1336.376148][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1336.376463][ T32] r4:8454d780 ** 2 printk messages dropped ** [ 1336.376572][ T32] r4:00000001 [ 1336.376708][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.376776][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.376830][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.376863][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.376889][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.376917][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.376940][ T32] r4:84e5a340 [ 1336.376961][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.377012][ T32] INFO: task kworker/1:560:4970 blocked for more than 462 seconds. [ 1336.377083][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.377164][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.377221][ T32] task:kworker/1:560 state:D stack:0 pid:4970 tgid:4970 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.377332][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.377428][ T32] Call trace: [ 1336.377481][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.377560][ T32] r10:8291880c r9:eb5a5d84 r8:00000002 r7:60000113 r6:eb5a5d8c r5:84d91800 [ 1336.377587][ T32] r4:84d91800 [ 1336.377633][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.377699][ T32] r5:84d91800 r4:82918808 [ 1336.377746][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.377820][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.377901][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5a5e08 [ 1336.377961][ T32] r4:00000000 [ 1336.378008][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.378123][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.378177][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.378293][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852e3f80 [ 1336.378347][ T32] r4:00000000 [ 1336.378385][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.378460][ T32] r9:83018205 r8:84d91800 r7:00000000 r6:83018200 r5:00001000 r4:7f059000 [ 1336.378496][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.378538][ T32] r5:00001000 r4:eb1cd000 [ 1336.378557][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.378594][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.378663][ T32] r5:85463b8c r4:85463800 [ 1336.378767][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.378831][ T32] r7:ddde2d80 r6:83018200 r5:85463b8c r4:85481580 [ 1336.378852][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.378933][ T32] r10:61c88647 r9:84d91800 r8:854815ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.378981][ T32] r4:85481580 [ 1336.379032][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.379153][ T32] r10:00000000 r9:85481580 r8:8027f5e8 r7:eb59de60 r6:85491b00 r5:84d91800 [ 1336.379206][ T32] r4:00000001 [ 1336.379290][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.379381][ T32] Exception stack(0xeb5a5fb0 to 0xeb5a5ff8) [ 1336.379460][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.379531][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.379588][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.379652][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.379706][ T32] r4:85492b00 [ 1336.403393][ T32] INFO: task kworker/1:560:4970 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.403657][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.403858][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.403976][ T32] Call trace: [ 1336.404020][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.404086][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.404110][ T32] r4:00000000 [ 1336.404130][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.404168][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.404225][ T32] 9d20: b1f7c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.404260][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.404342][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.404406][ T32] r5:80070013 r4:80239bb0 [ 1336.404435][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.404490][ T32] r4:82ac11a4 [ 1336.404541][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.404592][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.404638][ T32] r4:e47b9dc0 [ 1336.404663][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.404737][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.404771][ T32] r4:00000000 [ 1336.404819][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.404893][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.404947][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.405032][ T32] r5:00001000 r4:ece91000 [ 1336.405099][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.405146][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.405243][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.405269][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.405321][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.405343][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.405388][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1336.405644][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1336.406159][ T32] task:kworker/1:561 state:D stack:0 pid:4971 tgid:4971 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1336.407083][ T32] r4:00000000 [ 1336.407130][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.407263][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.407388][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.407487][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d4b000 [ 1336.407533][ T32] r4:00000000 [ 1336.407628][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.407732][ T32] r9:83018205 r8:84d94800 r7:00000000 r6:83018200 r5:00001000 r4:7f057000 [ 1336.407777][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.407855][ T32] r5:00001000 r4:eb18d000 [ 1336.407896][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.408000][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.408095][ T32] r5:8546378c r4:85463400 [ 1336.408138][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.408229][ T32] r7:ddde2d80 r6:83018200 r5:8546378c r4:85481600 [ 1336.408278][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.408375][ T32] r10:61c88647 r9:84d94800 r8:8548162c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.408419][ T32] r4:85481600 [ 1336.408458][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.408550][ T32] r10:00000000 r9:85481600 r8:8027f5e8 r7:eb5a5e60 r6:85491c00 r5:84d94800 [ 1336.408593][ T32] r4:00000001 [ 1336.408617][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.408656][ T32] Exception stack(0xeb5a9fb0 to 0xeb5a9ff8) [ 1336.408682][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.408710][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.408737][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.408823][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.408880][ T32] r4:85492b00 [ 1336.409417][ T32] INFO: task kworker/1:561:4971 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.409495][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.409597][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.409665][ T32] Call trace: [ 1336.409697][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.428697][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.428791][ T32] r4:00000000 [ 1336.428840][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.428968][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.429038][ T32] 9d20: b20a6000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.429117][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.429236][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.429305][ T32] r5:80070013 r4:80239bb0 [ 1336.429351][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.429543][ T32] r4:82ac11a4 [ 1336.429811][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.443955][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.444052][ T32] r4:e47b9dc0 [ 1336.444103][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.444243][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.444293][ T32] r4:00000000 [ 1336.444348][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.444447][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.444497][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.444587][ T32] r5:00001000 r4:ece91000 [ 1336.444635][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.444722][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.444865][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.444916][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.445015][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 1 printk messages dropped ** [ 1336.445191][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1336.445918][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1336.446228][ T32] task:kworker/0:360 state:D stack:0 pid:4972 tgid:4972 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1336.447126][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5ade08 ** 9 printk messages dropped ** [ 1336.448116][ T32] r5:00001000 r4:eb23f000 [ 1336.448160][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.448240][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1336.448628][ T32] r10:61c88647 r9:84d95400 r8:85491bac r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1336.449250][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1336.463412][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1336.463964][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1336.464071][ T32] r4:e47b9dc0 ** 5 printk messages dropped ** [ 1336.464384][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1336.464846][ T32] r4:8454d780 ** 2 printk messages dropped ** [ 1336.464956][ T32] r4:00000001 [ 1336.464987][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.465067][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.465120][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.465149][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.465175][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.465204][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.465227][ T32] r4:84e5a340 [ 1336.465251][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.465282][ T32] INFO: task kworker/1:562:4974 blocked for more than 462 seconds. [ 1336.465328][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.465385][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.465440][ T32] task:kworker/1:562 state:D stack:0 pid:4974 tgid:4974 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.465494][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.465537][ T32] Call trace: [ 1336.465617][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.465696][ T32] r10:8291880c r9:eb5b5d84 r8:00000002 r7:60000113 r6:eb5b5d8c r5:84d93c00 [ 1336.465816][ T32] r4:84d93c00 [ 1336.465881][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.465928][ T32] r5:84d93c00 r4:82918808 [ 1336.465977][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.466047][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.466103][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5b5e08 [ 1336.466128][ T32] r4:00000000 [ 1336.466148][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.466221][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.466326][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.466378][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854930c0 [ 1336.466407][ T32] r4:00000000 [ 1336.466453][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.466507][ T32] r9:83018205 r8:84d93c00 r7:00000000 r6:83018200 r5:00001000 r4:7f05b000 [ 1336.466531][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.466573][ T32] r5:00001000 r4:eb211000 [ 1336.466622][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.466676][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.466717][ T32] r5:85463f8c r4:85463c00 [ 1336.466738][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.466808][ T32] r7:ddde2d80 r6:83018200 r5:85463f8c r4:85481680 [ 1336.466833][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.466878][ T32] r10:61c88647 r9:84d93c00 r8:854816ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.466930][ T32] r4:85481680 [ 1336.466953][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.467085][ T32] r10:00000000 r9:85481680 r8:8027f5e8 r7:eb5a5e60 r6:85491d00 r5:84d93c00 [ 1336.467142][ T32] r4:00000001 [ 1336.467197][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.467237][ T32] Exception stack(0xeb5b5fb0 to 0xeb5b5ff8) [ 1336.467312][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.467347][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.467374][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.467413][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.467438][ T32] r4:85492980 [ 1336.467817][ T32] INFO: task kworker/1:562:4974 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.467851][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.468003][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.468084][ T32] Call trace: [ 1336.468117][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.468181][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.468208][ T32] r4:00000000 [ 1336.468228][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.468265][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.468292][ T32] 9d20: b2409000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.468327][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.468378][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.468470][ T32] r5:80070013 r4:80239bb0 [ 1336.468523][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.468628][ T32] r4:82ac11a4 [ 1336.468651][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.468699][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.468722][ T32] r4:e47b9dc0 [ 1336.468853][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.468900][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.468941][ T32] r4:00000000 [ 1336.468965][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.469051][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.469093][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 6 printk messages dropped ** [ 1336.469410][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1336.469750][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1336.487910][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1336.488288][ T32] r10:8291880c r9:eb5b9d84 r8:00000002 r7:60000013 r6:eb5b9d8c r5:84d90c00 ** 8 printk messages dropped ** [ 1336.488729][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1336.489138][ T32] r5:00001000 r4:eb261000 [ 1336.489165][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1336.489317][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1336.489599][ T32] r10:00000000 r9:85481700 r8:8027f5e8 r7:eb5b5e60 r6:85491d80 r5:84d90c00 ** 8 printk messages dropped ** [ 1336.502023][ T32] INFO: task kworker/1:563:4977 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 9 printk messages dropped ** [ 1336.502626][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 8 printk messages dropped ** [ 1336.502978][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 10 printk messages dropped ** [ 1336.503549][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 2 printk messages dropped ** [ 1336.503659][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.503705][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.503728][ T32] r4:00000001 [ 1336.503746][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.503783][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.503808][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.503863][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.503894][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.503923][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.503945][ T32] r4:84e5a340 [ 1336.503967][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.503999][ T32] INFO: task kworker/1:564:4978 blocked for more than 462 seconds. [ 1336.504035][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.504060][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.504082][ T32] task:kworker/1:564 state:D stack:0 pid:4978 tgid:4978 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.504146][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.504225][ T32] Call trace: [ 1336.504292][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.504348][ T32] r10:8291880c r9:eb5bdd84 r8:00000002 r7:60000013 r6:eb5bdd8c r5:84d96c00 [ 1336.504372][ T32] r4:84d96c00 [ 1336.504423][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.504495][ T32] r5:84d96c00 r4:82918808 [ 1336.504519][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.504560][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.504602][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5bde08 [ 1336.504625][ T32] r4:00000000 [ 1336.504645][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.504679][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.504745][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.504819][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85493480 [ 1336.504874][ T32] r4:00000000 [ 1336.504897][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.504968][ T32] r9:83018205 r8:84d96c00 r7:00000000 r6:83018200 r5:00001000 r4:7f061000 [ 1336.504994][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.505036][ T32] r5:00001000 r4:eb285000 [ 1336.505057][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.505094][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.505137][ T32] r5:8546478c r4:85464400 [ 1336.505187][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.505247][ T32] r7:ddde2d80 r6:83018200 r5:8546478c r4:85481780 [ 1336.505272][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.505328][ T32] r10:61c88647 r9:84d96c00 r8:854817ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.505378][ T32] r4:85481780 [ 1336.505401][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.505446][ T32] r10:00000000 r9:85481780 r8:8027f5e8 r7:eb5b9e60 r6:85491e00 r5:84d96c00 [ 1336.505524][ T32] r4:00000001 [ 1336.505547][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.505638][ T32] Exception stack(0xeb5bdfb0 to 0xeb5bdff8) [ 1336.505668][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.505697][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.505738][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.505771][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.505825][ T32] r4:85493100 [ 1336.506181][ T32] INFO: task kworker/1:564:4978 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.506262][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.506327][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.506371][ T32] Call trace: [ 1336.506403][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.506451][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.506502][ T32] r4:00000000 [ 1336.506528][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.506566][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.506593][ T32] 9d20: b2a8b000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.506621][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.506648][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.506671][ T32] r5:80070013 r4:80239bb0 [ 1336.506691][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.506735][ T32] r4:82ac11a4 [ 1336.506754][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.506799][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.506822][ T32] r4:e47b9dc0 [ 1336.506841][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.506885][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.506907][ T32] r4:00000000 [ 1336.506926][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.506969][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 5 printk messages dropped ** [ 1336.507188][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1336.507519][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1336.507687][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1336.508278][ T32] r10:8291880c r9:eb5b1d84 r8:00000002 r7:60000113 r6:eb5b1d8c r5:84d96000 ** 8 printk messages dropped ** [ 1336.508721][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1336.508995][ T32] r5:00001000 r4:eb375000 [ 1336.509045][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1336.509231][ T32] r7:dddced80 r6:83018000 r5:853caf8c r4:85491e80 ** 7 printk messages dropped ** [ 1336.509584][ T32] Exception stack(0xeb5b1fb0 to 0xeb5b1ff8) ** 5 printk messages dropped ** [ 1336.535773][ T32] INFO: task kworker/0:361:4981 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 9 printk messages dropped ** [ 1336.536392][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 8 printk messages dropped ** [ 1336.536729][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 9 printk messages dropped ** [ 1336.537155][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 2 printk messages dropped ** [ 1336.537278][ T32] r4:8454d780 [ 1336.537307][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.537380][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.537406][ T32] r4:00000001 [ 1336.537427][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.537463][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.537489][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.537517][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.537543][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.537572][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.537624][ T32] r4:84e5a340 [ 1336.537676][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.537723][ T32] INFO: task kworker/1:565:4983 blocked for more than 463 seconds. [ 1336.537763][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.537790][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.537813][ T32] task:kworker/1:565 state:D stack:0 pid:4983 tgid:4983 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.537861][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.537904][ T32] Call trace: [ 1336.537935][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.538048][ T32] r10:8291880c r9:eb5c1d84 r8:00000002 r7:60000013 r6:eb5c1d8c r5:854f8000 [ 1336.538078][ T32] r4:854f8000 [ 1336.538098][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.538157][ T32] r5:854f8000 r4:82918808 [ 1336.538182][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.538272][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.538324][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5c1e08 [ 1336.538372][ T32] r4:00000000 [ 1336.538424][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.538464][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.538531][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.538579][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854935c0 [ 1336.538603][ T32] r4:00000000 [ 1336.538623][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.538667][ T32] r9:83018205 r8:854f8000 r7:00000000 r6:83018200 r5:00001000 r4:7f09b000 [ 1336.538695][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.538766][ T32] r5:00001000 r4:eb2ad000 [ 1336.538789][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.538829][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.538871][ T32] r5:85464b8c r4:85464800 [ 1336.538918][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.538975][ T32] r7:ddde2d80 r6:83018200 r5:85464b8c r4:85481800 [ 1336.539018][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.539129][ T32] r10:61c88647 r9:854f8000 r8:8548182c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.539158][ T32] r4:85481800 [ 1336.539178][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.539223][ T32] r10:00000000 r9:85481800 r8:8027f5e8 r7:eb5bde60 r6:85491f80 r5:854f8000 [ 1336.539308][ T32] r4:00000001 [ 1336.539382][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.539426][ T32] Exception stack(0xeb5c1fb0 to 0xeb5c1ff8) [ 1336.539453][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1336.539510][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.539541][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.539585][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.539612][ T32] r4:85493000 [ 1336.553081][ T32] INFO: task kworker/1:565:4983 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.553201][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.553310][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.553379][ T32] Call trace: [ 1336.553449][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.553544][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.553601][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1336.553810][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 6 printk messages dropped ** [ 1336.554058][ T32] r4:e47b9dc0 ** 6 printk messages dropped ** [ 1336.554437][ T32] r5:00001000 r4:ece91000 ** 5 printk messages dropped ** [ 1336.554633][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1336.555049][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1336.555401][ T32] task:kworker/1:566 state:D stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1336.555970][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1336.556291][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1336.556485][ T32] r5:00001000 r4:eb38f000 ** 1 printk messages dropped ** [ 1336.556549][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1336.556769][ T32] r4:85481880 ** 6 printk messages dropped ** [ 1336.557236][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.557267][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.557297][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.557329][ T32] r4:85493000 [ 1336.557706][ T32] INFO: task kworker/1:566:4985 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.557764][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.557867][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.557917][ T32] Call trace: [ 1336.557965][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.558021][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.558047][ T32] r4:00000000 [ 1336.558099][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.558174][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.558262][ T32] 9d20: b2e02000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.558308][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.558335][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.558359][ T32] r5:80070013 r4:80239bb0 [ 1336.558380][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.558446][ T32] r4:82ac11a4 [ 1336.558470][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.558517][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.558568][ T32] r4:e47b9dc0 [ 1336.558591][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.558636][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.558685][ T32] r4:00000000 [ 1336.558743][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.558792][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.558815][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.558858][ T32] r5:00001000 r4:ece91000 [ 1336.558879][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.558916][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.558970][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.559008][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.559114][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.559140][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.559188][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.559240][ T32] r4:8454d780 [ 1336.559311][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.559367][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.559391][ T32] r4:00000001 [ 1336.559411][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.559452][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.559479][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.559507][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.559535][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.559565][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.559615][ T32] r4:84e5a340 ** 2 printk messages dropped ** [ 1336.559701][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1336.580616][ T32] r4:853fa400 ** 4 printk messages dropped ** [ 1336.580856][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5c9e08 ** 9 printk messages dropped ** [ 1336.581338][ T32] r5:00001000 r4:dfca7000 [ 1336.581370][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.581413][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1336.581674][ T32] r10:61c88647 r9:853fa400 r8:854819ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1336.581978][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1336.582919][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 10 printk messages dropped ** [ 1336.583470][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 12 printk messages dropped ** [ 1336.584011][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 5 printk messages dropped ** [ 1336.584229][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1336.584475][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1336.584730][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1336.585077][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb585e08 ** 7 printk messages dropped ** [ 1336.585350][ T32] r9:83018005 r8:854f8c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0a1000 ** 1 printk messages dropped ** [ 1336.585460][ T32] r5:00001000 r4:eb3c7000 ** 3 printk messages dropped ** [ 1336.585633][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1336.585966][ T32] Exception stack(0xeb585fb0 to 0xeb585ff8) ** 6 printk messages dropped ** [ 1336.586579][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1336.586969][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 10 printk messages dropped ** [ 1336.587476][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 7 printk messages dropped ** [ 1336.587843][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.587868][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.587913][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.587936][ T32] r4:8454d780 [ 1336.587955][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.588025][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.588085][ T32] r4:00000001 [ 1336.588108][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.588173][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.588202][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.588258][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.588288][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.588323][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.588345][ T32] r4:84e5a340 [ 1336.588366][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.588391][ T32] INFO: task kworker/1:568:4991 blocked for more than 463 seconds. [ 1336.588418][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.588441][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.588490][ T32] task:kworker/1:568 state:D stack:0 pid:4991 tgid:4991 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.588565][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.588630][ T32] Call trace: [ 1336.588695][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.588755][ T32] r10:8291880c r9:eb5c5d84 r8:00000002 r7:60000113 r6:eb5c5d8c r5:854f9800 [ 1336.588783][ T32] r4:854f9800 [ 1336.588861][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.588905][ T32] r5:854f9800 r4:82918808 [ 1336.588927][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.588990][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.589094][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5c5e08 [ 1336.589148][ T32] r4:00000000 [ 1336.589172][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.589209][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.589273][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.589413][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85493e80 [ 1336.589474][ T32] r4:00000000 [ 1336.589499][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.589546][ T32] r9:83018205 r8:854f9800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a7000 [ 1336.589568][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.589625][ T32] r5:00001000 r4:eb3f5000 [ 1336.589648][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.589686][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.589778][ T32] r5:8546578c r4:85465400 [ 1336.611913][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.612100][ T32] r7:ddde2d80 r6:83018200 r5:8546578c r4:85481a80 [ 1336.612133][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.612184][ T32] r10:61c88647 r9:854f9800 r8:85481aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.612207][ T32] r4:85481a80 [ 1336.612254][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.612312][ T32] r10:00000000 r9:85481a80 r8:8027f5e8 r7:eb5c9e60 r6:85497100 r5:854f9800 [ 1336.612364][ T32] r4:00000001 [ 1336.612389][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.612491][ T32] Exception stack(0xeb5c5fb0 to 0xeb5c5ff8) [ 1336.612525][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.612554][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.612580][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.612608][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.612630][ T32] r4:85493900 [ 1336.613127][ T32] INFO: task kworker/1:568:4991 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.613164][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.613237][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.613285][ T32] Call trace: [ 1336.613325][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.613391][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.613419][ T32] r4:00000000 [ 1336.613440][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.613550][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.613617][ T32] 9d20: b3395000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.613684][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.613729][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.613758][ T32] r5:80070013 r4:80239bb0 [ 1336.613781][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.613831][ T32] r4:82ac11a4 [ 1336.613853][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.613900][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.613978][ T32] r4:e47b9dc0 [ 1336.614005][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.614072][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.614126][ T32] r4:00000000 [ 1336.614178][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 7 printk messages dropped ** [ 1336.614685][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 5 printk messages dropped ** [ 1336.614956][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1336.615175][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1336.615348][ T32] task:kworker/0:363 state:D stack:0 pid:4993 tgid:4993 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1336.616009][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1336.616277][ T32] r5:00001000 r4:eb3e7000 [ 1336.616351][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1336.616512][ T32] r7:dddced80 r6:83018000 r5:853cb78c r4:85497180 ** 7 printk messages dropped ** [ 1336.616769][ T32] Exception stack(0xeb5cdfb0 to 0xeb5cdff8) ** 5 printk messages dropped ** [ 1336.617377][ T32] INFO: task kworker/0:363:4993 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 7 printk messages dropped ** [ 1336.617724][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.617751][ T32] 9d20: b3395000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.617779][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.617804][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.617876][ T32] r5:80070013 r4:80239bb0 [ 1336.617927][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.617979][ T32] r4:82ac11a4 [ 1336.618001][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.618048][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.618070][ T32] r4:e47b9dc0 [ 1336.618089][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.618133][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.618154][ T32] r4:00000000 [ 1336.618225][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.618307][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.618335][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.618380][ T32] r5:00001000 r4:ece91000 [ 1336.618401][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.618438][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.618507][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.618558][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.618608][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.618633][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.618705][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.618732][ T32] r4:8454d780 [ 1336.618752][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.618825][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.618852][ T32] r4:00000001 [ 1336.618871][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.618908][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.618933][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.618961][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.618990][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.619057][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.619097][ T32] r4:84e5a340 [ 1336.619118][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 1 printk messages dropped ** [ 1336.619174][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1336.619325][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.619385][ T32] Call trace: [ 1336.619600][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.619652][ T32] r10:8291880c r9:eb5d1d84 r8:00000002 r7:60000113 r6:eb5d1d8c r5:854fb000 [ 1336.619675][ T32] r4:854fb000 [ 1336.619800][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.642346][ T32] r5:854fb000 r4:82918808 [ 1336.642397][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.642462][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.642524][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5d1e08 [ 1336.642557][ T32] r4:00000000 [ 1336.642579][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.642662][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.642711][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.642784][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854ae5c0 [ 1336.642812][ T32] r4:00000000 [ 1336.642833][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.642879][ T32] r9:83018005 r8:854fb000 r7:00000000 r6:83018000 r5:00001000 r4:7f085000 [ 1336.642900][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.642954][ T32] r5:00001000 r4:eb49b000 [ 1336.642979][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.643270][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.643325][ T32] r5:8454bf8c r4:8454bc00 [ 1336.643347][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.643395][ T32] r7:dddced80 r6:83018000 r5:8454bf8c r4:85497280 ** 2 printk messages dropped ** [ 1336.643584][ T32] r4:85497280 ** 6 printk messages dropped ** [ 1336.643879][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1336.644891][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1336.645316][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1336.645593][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1336.646044][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1336.646683][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1336.647204][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1336.647480][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1336.648340][ T32] r5:00001000 r4:eb32b000 [ 1336.648360][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1336.648766][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1336.649665][ T32] Exception stack(0xeb5d9fb0 to 0xeb5d9ff8) ** 5 printk messages dropped ** [ 1336.685128][ T32] INFO: task kworker/0:365:4996 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 9 printk messages dropped ** [ 1336.686179][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 11 printk messages dropped ** [ 1336.686705][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1336.687065][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1336.687468][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1336.687631][ T32] task:kworker/1:569 state:D stack:0 pid:4999 tgid:4999 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1336.688371][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1336.688823][ T32] r5:00001000 r4:eb407000 [ 1336.688873][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1336.689143][ T32] r7:ddde2d80 r6:83018200 r5:85465b8c r4:85481b00 ** 7 printk messages dropped ** [ 1336.689486][ T32] Exception stack(0xeb41dfb0 to 0xeb41dff8) ** 2 printk messages dropped ** [ 1336.689615][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.689673][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.689698][ T32] r4:85493d80 [ 1336.700719][ T32] INFO: task kworker/1:569:4999 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.700902][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.701133][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.701202][ T32] Call trace: [ 1336.701263][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.701333][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.701365][ T32] r4:00000000 [ 1336.701467][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.701514][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.701546][ T32] 9d20: b3b3c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.701574][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.701601][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.701626][ T32] r5:80070013 r4:80239bb0 [ 1336.701647][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.701696][ T32] r4:82ac11a4 [ 1336.701773][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.701909][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.701936][ T32] r4:e47b9dc0 [ 1336.701984][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.702037][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.702065][ T32] r4:00000000 [ 1336.702223][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.702295][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.702329][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.702373][ T32] r5:00001000 r4:ece91000 [ 1336.702395][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.702435][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.702510][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.702580][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.702634][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.702656][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.702728][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.702763][ T32] r4:8454d780 [ 1336.702810][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.702862][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.702886][ T32] r4:00000001 [ 1336.702906][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.702941][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.702967][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.702995][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.703022][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.703053][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.703121][ T32] r4:84e5a340 [ 1336.703151][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.703239][ T32] INFO: task kworker/1:570:5000 blocked for more than 463 seconds. [ 1336.703283][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.703317][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.703340][ T32] task:kworker/1:570 state:D stack:0 pid:5000 tgid:5000 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.703457][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.703537][ T32] Call trace: [ 1336.703588][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.703641][ T32] r10:8291880c r9:eb4add84 r8:00000002 r7:60000113 r6:eb4add8c r5:854fe000 [ 1336.703665][ T32] r4:854fe000 [ 1336.703686][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.703726][ T32] r5:854fe000 r4:82918808 [ 1336.703747][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.703783][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.703828][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4ade08 [ 1336.703852][ T32] r4:00000000 [ 1336.703872][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.703908][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.703974][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.704022][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85493fc0 [ 1336.704060][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1336.704214][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.704257][ T32] r5:00001000 r4:e051f000 ** 1 printk messages dropped ** [ 1336.704338][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 12 printk messages dropped ** [ 1336.704754][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1336.705549][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1336.705778][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 6 printk messages dropped ** [ 1336.706015][ T32] r4:e47b9dc0 ** 6 printk messages dropped ** [ 1336.706577][ T32] r5:00001000 r4:ece91000 ** 5 printk messages dropped ** [ 1336.706948][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1336.707167][ T32] r4:00000001 [ 1336.707207][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.707273][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.707307][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.707380][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.707411][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.707440][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.707462][ T32] r4:84e5a340 [ 1336.707482][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.707609][ T32] INFO: task kworker/1:571:5001 blocked for more than 463 seconds. [ 1336.707672][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.707725][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.707778][ T32] task:kworker/1:571 state:D stack:0 pid:5001 tgid:5001 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.707887][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.707960][ T32] Call trace: [ 1336.708017][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.708070][ T32] r10:8291880c r9:eb4c1d84 r8:00000002 r7:60000113 r6:eb4c1d8c r5:854fec00 [ 1336.708094][ T32] r4:854fec00 [ 1336.708140][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.708184][ T32] r5:854fec00 r4:82918808 [ 1336.708233][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.708310][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.708468][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4c1e08 [ 1336.708504][ T32] r4:00000000 [ 1336.708551][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.708591][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.708629][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.708675][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85493c40 [ 1336.708714][ T32] r4:00000000 [ 1336.708820][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.708872][ T32] r9:83018205 r8:854fec00 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 [ 1336.708907][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.708952][ T32] r5:00001000 r4:e0005000 [ 1336.708972][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.709049][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.709126][ T32] r5:8546638c r4:85466000 [ 1336.709180][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.709228][ T32] r7:ddde2d80 r6:83018200 r5:8546638c r4:85481c00 [ 1336.709248][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.709337][ T32] r10:61c88647 r9:854fec00 r8:85481c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.709364][ T32] r4:85481c00 [ 1336.709383][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.709427][ T32] r10:00000000 r9:85481c00 r8:8027f5e8 r7:eb4ade60 r6:85497580 r5:854fec00 [ 1336.709471][ T32] r4:00000001 [ 1336.709524][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.709573][ T32] Exception stack(0xeb4c1fb0 to 0xeb4c1ff8) [ 1336.709599][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1336.709627][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.709653][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.709682][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.709706][ T32] r4:85493fc0 [ 1336.736053][ T32] INFO: task kworker/1:571:5001 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.736207][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.736365][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.736459][ T32] Call trace: [ 1336.736538][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.736631][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.736660][ T32] r4:00000000 [ 1336.736682][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.736722][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.736752][ T32] 9d20: b3f33000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.736781][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 5 printk messages dropped ** [ 1336.737058][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 11 printk messages dropped ** [ 1336.737676][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1336.738011][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1336.738331][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1336.738728][ T32] r10:8291880c r9:eb4d9d84 r8:00000002 r7:60000113 r6:eb4d9d8c r5:85400c00 ** 8 printk messages dropped ** [ 1336.739149][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1336.739484][ T32] r5:00001000 r4:e8869000 [ 1336.739505][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1336.739651][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1336.753763][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1336.754572][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1336.755037][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 6 printk messages dropped ** [ 1336.755403][ T32] r4:e47b9dc0 ** 6 printk messages dropped ** [ 1336.755696][ T32] r5:00001000 r4:ece91000 ** 5 printk messages dropped ** [ 1336.755963][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1336.756119][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1336.756365][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 2 printk messages dropped ** [ 1336.756508][ T32] INFO: task kworker/1:573:5007 blocked for more than 463 seconds. [ 1336.756549][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.756575][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.756598][ T32] task:kworker/1:573 state:D stack:0 pid:5007 tgid:5007 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.756642][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.756683][ T32] Call trace: [ 1336.756731][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.756814][ T32] r10:8291880c r9:eb4ddd84 r8:00000002 r7:60000113 r6:eb4ddd8c r5:85401800 [ 1336.756842][ T32] r4:85401800 [ 1336.756878][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.756922][ T32] r5:85401800 r4:82918808 [ 1336.756943][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.756980][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.757022][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4dde08 [ 1336.757045][ T32] r4:00000000 [ 1336.757065][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.757105][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.757145][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.757187][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854830c0 [ 1336.757209][ T32] r4:00000000 [ 1336.757256][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.757312][ T32] r9:83018205 r8:85401800 r7:00000000 r6:83018200 r5:00001000 r4:7f02f000 [ 1336.757335][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.757377][ T32] r5:00001000 r4:e05d3000 [ 1336.757450][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.757508][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.757553][ T32] r5:85466b8c r4:85466800 [ 1336.757573][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.757645][ T32] r7:ddde2d80 r6:83018200 r5:85466b8c r4:85481d00 [ 1336.757689][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.757765][ T32] r10:61c88647 r9:85401800 r8:85481d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.757817][ T32] r4:85481d00 [ 1336.757841][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.757885][ T32] r10:00000000 r9:85481d00 r8:8027f5e8 r7:eb4d9e60 r6:85497680 r5:85401800 [ 1336.757908][ T32] r4:00000001 [ 1336.757953][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.757993][ T32] Exception stack(0xeb4ddfb0 to 0xeb4ddff8) [ 1336.758020][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.758047][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.758073][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.758117][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.758143][ T32] r4:85483040 [ 1336.758495][ T32] INFO: task kworker/1:573:5007 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.758588][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.758651][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.758695][ T32] Call trace: [ 1336.758726][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.758818][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.758872][ T32] r4:00000000 [ 1336.758922][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.758995][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.759058][ T32] 9d20: b4345000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.759092][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.759118][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.759142][ T32] r5:80070013 r4:80239bb0 [ 1336.759163][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.759238][ T32] r4:82ac11a4 [ 1336.759295][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.759390][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.759417][ T32] r4:e47b9dc0 [ 1336.759437][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.759509][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.759535][ T32] r4:00000000 [ 1336.759583][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.759660][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.759776][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.780592][ T32] r5:00001000 r4:ece91000 [ 1336.780649][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.780733][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.780846][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.780873][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1336.781113][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1336.781359][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1336.781758][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1336.781872][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1336.782413][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb505e08 ** 4 printk messages dropped ** [ 1336.782648][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85483380 [ 1336.782674][ T32] r4:00000000 [ 1336.782722][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.782773][ T32] r9:83018205 r8:85400000 r7:00000000 r6:83018200 r5:00001000 r4:7f031000 [ 1336.782795][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.782835][ T32] r5:00001000 r4:e47bb000 [ 1336.782854][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.782891][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.782932][ T32] r5:85466f8c r4:85466c00 [ 1336.782952][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.782995][ T32] r7:ddde2d80 r6:83018200 r5:85466f8c r4:85481d80 [ 1336.783015][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.783064][ T32] r10:61c88647 r9:85400000 r8:85481dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.783087][ T32] r4:85481d80 [ 1336.783135][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.783183][ T32] r10:00000000 r9:85481d80 r8:8027f5e8 r7:eb4d9e60 r6:85497700 r5:85400000 [ 1336.783208][ T32] r4:00000001 [ 1336.783227][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.783263][ T32] Exception stack(0xeb505fb0 to 0xeb505ff8) [ 1336.783290][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.783358][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.783390][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.783419][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.783444][ T32] r4:854832c0 [ 1336.783942][ T32] INFO: task kworker/1:574:5009 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.783975][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.784034][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.784083][ T32] Call trace: [ 1336.784112][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.784159][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.784181][ T32] r4:00000000 [ 1336.784230][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.784275][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.784311][ T32] 9d20: b4664000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.784340][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.784439][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.784468][ T32] r5:80070013 r4:80239bb0 [ 1336.784489][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.784533][ T32] r4:82ac11a4 [ 1336.784553][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.784788][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.784817][ T32] r4:e47b9dc0 [ 1336.784927][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.785309][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.785348][ T32] r4:00000000 [ 1336.785374][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.785457][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.785607][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.785712][ T32] r5:00001000 r4:ece91000 [ 1336.785870][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.785931][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.785977][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.786029][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.786083][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.786105][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.786150][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.786174][ T32] r4:8454d780 ** 1 printk messages dropped ** [ 1336.786284][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 5 printk messages dropped ** [ 1336.786519][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.786547][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.786596][ T32] r4:84e5a340 [ 1336.786647][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.786677][ T32] INFO: task kworker/1:575:5011 blocked for more than 463 seconds. [ 1336.786735][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.786761][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.786784][ T32] task:kworker/1:575 state:D stack:0 pid:5011 tgid:5011 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.786888][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.786958][ T32] Call trace: [ 1336.786994][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.787081][ T32] r10:8291880c r9:eb521d84 r8:00000002 r7:60000013 r6:eb521d8c r5:85402400 [ 1336.787137][ T32] r4:85402400 [ 1336.787199][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.787278][ T32] r5:85402400 r4:82918808 [ 1336.787368][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.787416][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.787496][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb521e08 [ 1336.787521][ T32] r4:00000000 [ 1336.787567][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.787607][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.787646][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.787688][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85483740 [ 1336.787739][ T32] r4:00000000 [ 1336.787790][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.787918][ T32] r9:83018205 r8:85402400 r7:00000000 r6:83018200 r5:00001000 r4:7f065000 [ 1336.787943][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.788011][ T32] r5:00001000 r4:eaa4d000 [ 1336.788032][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.788076][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.788119][ T32] r5:85467b8c r4:85467800 [ 1336.788167][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.788244][ T32] r7:ddde2d80 r6:83018200 r5:85467b8c r4:85481e00 [ 1336.788268][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.788376][ T32] r10:61c88647 r9:85402400 r8:85481e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.788435][ T32] r4:85481e00 ** 1 printk messages dropped ** [ 1336.788552][ T32] r10:00000000 r9:85481e00 r8:8027f5e8 r7:eb4d9e60 r6:85497780 r5:85402400 ** 8 printk messages dropped ** [ 1336.789204][ T32] INFO: task kworker/1:575:5011 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 9 printk messages dropped ** [ 1336.789782][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 6 printk messages dropped ** [ 1336.811150][ T32] r4:e47b9dc0 ** 7 printk messages dropped ** [ 1336.811514][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1336.811919][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1336.812098][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1336.812501][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1336.812846][ T32] r4:85403000 ** 4 printk messages dropped ** [ 1336.813139][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb545e08 ** 7 printk messages dropped ** [ 1336.813549][ T32] r9:83018205 r8:85403000 r7:00000000 r6:83018200 r5:00001000 r4:7f063000 ** 1 printk messages dropped ** [ 1336.813620][ T32] r5:00001000 r4:ea9f9000 ** 3 printk messages dropped ** [ 1336.813767][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1336.814167][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1336.815177][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 10 printk messages dropped ** [ 1336.815674][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 10 printk messages dropped ** [ 1336.816110][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1336.816307][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1336.816484][ T32] r4:00000001 [ 1336.816505][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.816542][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.816570][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.816599][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.816625][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.816673][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.816698][ T32] r4:84e5a340 [ 1336.816718][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.816746][ T32] INFO: task kworker/1:577:5015 blocked for more than 463 seconds. [ 1336.816775][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.816798][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.816819][ T32] task:kworker/1:577 state:D stack:0 pid:5015 tgid:5015 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.816896][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.816940][ T32] Call trace: [ 1336.816997][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.817050][ T32] r10:8291880c r9:eb561d84 r8:00000002 r7:60000013 r6:eb561d8c r5:85403c00 [ 1336.817102][ T32] r4:85403c00 [ 1336.817126][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.817168][ T32] r5:85403c00 r4:82918808 [ 1336.817215][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.817283][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.817366][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb561e08 [ 1336.817423][ T32] r4:00000000 [ 1336.817461][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.817501][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.817538][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.817608][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85483880 [ 1336.817636][ T32] r4:00000000 [ 1336.817657][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.817702][ T32] r9:83018205 r8:85403c00 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1336.817725][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.817795][ T32] r5:00001000 r4:eaabd000 [ 1336.817828][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.817868][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.817940][ T32] r5:85467f8c r4:85467c00 [ 1336.817964][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.818010][ T32] r7:ddde2d80 r6:83018200 r5:85467f8c r4:85481f00 [ 1336.818031][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.818077][ T32] r10:61c88647 r9:85403c00 r8:85481f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.818099][ T32] r4:85481f00 [ 1336.818119][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.818173][ T32] r10:00000000 r9:85481f00 r8:8027f5e8 r7:eb521e60 r6:85497880 r5:85403c00 [ 1336.818269][ T32] r4:00000001 [ 1336.818310][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.818353][ T32] Exception stack(0xeb561fb0 to 0xeb561ff8) [ 1336.818382][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1336.818412][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.818468][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.818502][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.818528][ T32] r4:854833c0 [ 1336.818873][ T32] INFO: task kworker/1:577:5015 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.818935][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.819070][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.819121][ T32] Call trace: [ 1336.819169][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.819219][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.819271][ T32] r4:00000000 [ 1336.819296][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.819385][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.819451][ T32] 9d20: b493e000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.819543][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.819587][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.819616][ T32] r5:80070013 r4:80239bb0 [ 1336.819639][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.819685][ T32] r4:82ac11a4 [ 1336.819755][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.840510][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.840584][ T32] r4:e47b9dc0 [ 1336.840616][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.840691][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.840744][ T32] r4:00000000 [ 1336.840852][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.840907][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.840960][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.841037][ T32] r5:00001000 r4:ece91000 [ 1336.841063][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.841104][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.841147][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.841168][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.841216][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.841239][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.841306][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.841361][ T32] r4:8454d780 [ 1336.841386][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.841461][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.841489][ T32] r4:00000001 [ 1336.841540][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.841583][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.841616][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.841675][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.841713][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.841773][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.841801][ T32] r4:84e5a340 [ 1336.841856][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.841894][ T32] INFO: task kworker/1:578:5017 blocked for more than 463 seconds. [ 1336.841933][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.841960][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.842013][ T32] task:kworker/1:578 state:D stack:0 pid:5017 tgid:5017 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.842109][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.842217][ T32] Call trace: [ 1336.842271][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.842361][ T32] r10:8291880c r9:eb5e5d84 r8:00000002 r7:60000113 r6:eb5e5d8c r5:85405400 [ 1336.842417][ T32] r4:85405400 [ 1336.842472][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.842549][ T32] r5:85405400 r4:82918808 [ 1336.842574][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.842614][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.842657][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5e5e08 ** 5 printk messages dropped ** [ 1336.842932][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1336.843065][ T32] r5:00001000 r4:eb0af000 [ 1336.843086][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.843125][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1336.843336][ T32] r10:61c88647 r9:85405400 r8:85481fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1336.843742][ T32] r4:85483700 ** 2 printk messages dropped ** [ 1336.844504][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1336.844780][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 9 printk messages dropped ** [ 1336.845181][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1336.845493][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.845573][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.845643][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.845697][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.845847][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.845898][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.845922][ T32] r4:8454d780 [ 1336.845943][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.845987][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.846010][ T32] r4:00000001 [ 1336.846030][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.846072][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.846130][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.846213][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.846336][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.846731][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.846759][ T32] r4:84e5a340 [ 1336.846783][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.846810][ T32] INFO: task kworker/1:579:5019 blocked for more than 463 seconds. [ 1336.846838][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.846861][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.846925][ T32] task:kworker/1:579 state:D stack:0 pid:5019 tgid:5019 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.846974][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.847043][ T32] Call trace: [ 1336.847217][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.847270][ T32] r10:8291880c r9:eb5e9d84 r8:00000002 r7:60000013 r6:eb5e9d8c r5:85406000 [ 1336.847310][ T32] r4:85406000 [ 1336.847618][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.847721][ T32] r5:85406000 r4:82918808 [ 1336.847746][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.847821][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.847866][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5e9e08 [ 1336.847893][ T32] r4:00000000 [ 1336.848116][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.848183][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.848232][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.848277][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85483a00 [ 1336.848310][ T32] r4:00000000 [ 1336.848332][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.848376][ T32] r9:83018205 r8:85406000 r7:00000000 r6:83018200 r5:00001000 r4:7f069000 [ 1336.848398][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.848439][ T32] r5:00001000 r4:eab49000 [ 1336.848503][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.848548][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.848589][ T32] r5:8546c38c r4:8546c000 [ 1336.848609][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.848652][ T32] r7:ddde2d80 r6:83018200 r5:8546c38c r4:8549f000 [ 1336.848673][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.848792][ T32] r10:61c88647 r9:85406000 r8:8549f02c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.848819][ T32] r4:8549f000 [ 1336.848894][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.848941][ T32] r10:00000000 r9:8549f000 r8:8027f5e8 r7:eb5e5e60 r6:85497980 r5:85406000 [ 1336.848995][ T32] r4:00000001 [ 1336.849071][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.849127][ T32] Exception stack(0xeb5e9fb0 to 0xeb5e9ff8) [ 1336.849310][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1336.849423][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1336.877817][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 5 printk messages dropped ** [ 1336.878081][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 8 printk messages dropped ** [ 1336.878606][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1336.878959][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1336.879471][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1336.884734][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1336.884894][ T32] r4:84e5a340 [ 1336.884925][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.884966][ T32] INFO: task kworker/1:580:5021 blocked for more than 463 seconds. [ 1336.885003][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.885030][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.885051][ T32] task:kworker/1:580 state:D stack:0 pid:5021 tgid:5021 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.885104][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.885243][ T32] Call trace: [ 1336.885286][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.885379][ T32] r10:8291880c r9:eb5f1d84 r8:00000002 r7:60000113 r6:eb5f1d8c r5:85404800 [ 1336.885406][ T32] r4:85404800 [ 1336.885426][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.885521][ T32] r5:85404800 r4:82918808 [ 1336.885545][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.885610][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.885657][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5f1e08 [ 1336.885679][ T32] r4:00000000 [ 1336.885725][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.885776][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.885821][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.885864][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85483b00 [ 1336.885888][ T32] r4:00000000 [ 1336.885963][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.886076][ T32] r9:83018205 r8:85404800 r7:00000000 r6:83018200 r5:00001000 r4:7f06b000 [ 1336.886131][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.886177][ T32] r5:00001000 r4:ead81000 [ 1336.886256][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.886309][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.886352][ T32] r5:8546c78c r4:8546c400 [ 1336.886378][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.886425][ T32] r7:ddde2d80 r6:83018200 r5:8546c78c r4:8549f080 [ 1336.886447][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.886492][ T32] r10:61c88647 r9:85404800 r8:8549f0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.886514][ T32] r4:8549f080 [ 1336.886614][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 1 printk messages dropped ** [ 1336.886714][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1336.886934][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1336.888094][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 7 printk messages dropped ** [ 1336.888433][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 11 printk messages dropped ** [ 1336.889089][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1336.889612][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1336.911262][ T32] task:kworker/1:581 state:D stack:0 pid:5023 tgid:5023 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1336.912321][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5f9e08 ** 9 printk messages dropped ** [ 1336.912861][ T32] r5:00001000 r4:eaee9000 [ 1336.912972][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1336.913374][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1336.914373][ T32] Exception stack(0xeb5f9fb0 to 0xeb5f9ff8) ** 5 printk messages dropped ** [ 1336.915056][ T32] INFO: task kworker/1:581:5023 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 9 printk messages dropped ** [ 1336.915888][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 10 printk messages dropped ** [ 1336.916213][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1336.916684][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1336.917043][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1336.917342][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1336.917660][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1336.918101][ T32] r5:00001000 r4:eafc9000 [ 1336.918151][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1336.918309][ T32] r5:8546cf8c r4:8546cc00 ** 3 printk messages dropped ** [ 1336.918473][ T32] r10:61c88647 r9:84c79800 r8:8549f1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.918499][ T32] r4:8549f180 [ 1336.918518][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.918561][ T32] r10:00000000 r9:8549f180 r8:8027f5e8 r7:eb5e5e60 r6:85497b00 r5:84c79800 [ 1336.918610][ T32] r4:00000001 [ 1336.918659][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.918725][ T32] Exception stack(0xeb601fb0 to 0xeb601ff8) [ 1336.918754][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1336.918812][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.918843][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.918901][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.918954][ T32] r4:85483980 [ 1336.919287][ T32] INFO: task kworker/1:582:5025 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.919395][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.919553][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.919600][ T32] Call trace: [ 1336.919651][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.940530][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.940625][ T32] r4:00000000 [ 1336.940677][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.940749][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.940886][ T32] 9d20: b55bf000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.940922][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.940999][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.941060][ T32] r5:80070013 r4:80239bb0 [ 1336.941153][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.941216][ T32] r4:82ac11a4 [ 1336.941268][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.941356][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.941381][ T32] r4:e47b9dc0 [ 1336.941401][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.941471][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1336.941499][ T32] r4:00000000 [ 1336.941519][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.941564][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1336.941586][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.941630][ T32] r5:00001000 r4:ece91000 [ 1336.941677][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.941722][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.941766][ T32] r5:85a7af8c r4:85a7ac00 [ 1336.941785][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.941830][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1336.941879][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.941931][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.941954][ T32] r4:8454d780 [ 1336.942000][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.942079][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1336.942105][ T32] r4:00000001 [ 1336.942180][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.942237][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1336.942265][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1336.942294][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.942328][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.942358][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.942380][ T32] r4:84e5a340 [ 1336.942405][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1336.942464][ T32] INFO: task kworker/1:583:5027 blocked for more than 463 seconds. [ 1336.942505][ T32] Not tainted 6.15.0-syzkaller #0 [ 1336.942531][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1336.942554][ T32] task:kworker/1:583 state:D stack:0 pid:5027 tgid:5027 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.942713][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.942790][ T32] Call trace: [ 1336.942859][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1336.942937][ T32] r10:8291880c r9:eb5ddd84 r8:00000002 r7:60000113 r6:eb5ddd8c r5:853f8000 [ 1336.943012][ T32] r4:853f8000 [ 1336.943035][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1336.943079][ T32] r5:853f8000 r4:82918808 [ 1336.943099][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1336.943161][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1336.943209][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5dde08 [ 1336.943244][ T32] r4:00000000 [ 1336.943267][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.943310][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.943349][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.943423][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85483ec0 ** 1 printk messages dropped ** [ 1336.943476][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1336.943581][ T32] r5:00001000 r4:eb07b000 [ 1336.943601][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.943638][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.943677][ T32] r5:8546d38c r4:8546d000 [ 1336.943698][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.943769][ T32] r7:ddde2d80 r6:83018200 r5:8546d38c r4:8549f200 [ 1336.943793][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.943838][ T32] r10:61c88647 r9:853f8000 r8:8549f22c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.943860][ T32] r4:8549f200 [ 1336.943905][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.943954][ T32] r10:00000000 r9:8549f200 r8:8027f5e8 r7:eb5e5e60 r6:8549f280 r5:853f8000 [ 1336.944005][ T32] r4:00000001 [ 1336.944029][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.944065][ T32] Exception stack(0xeb5ddfb0 to 0xeb5ddff8) [ 1336.944096][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1336.944153][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.944184][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.944239][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.944304][ T32] r4:85483b80 [ 1336.944793][ T32] INFO: task kworker/1:583:5027 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 1 printk messages dropped ** [ 1336.944945][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1336.945488][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 9 printk messages dropped ** [ 1336.945895][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1336.946271][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1336.946517][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1336.946991][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1336.947348][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1336.947654][ T32] r5:853fc800 r4:82918808 ** 2 printk messages dropped ** [ 1336.947816][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb605e08 [ 1336.947842][ T32] r4:00000000 [ 1336.947861][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1336.947896][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1336.948106][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1336.948158][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8548f140 [ 1336.948182][ T32] r4:00000000 [ 1336.948394][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1336.948444][ T32] r9:83018205 r8:853fc800 r7:00000000 r6:83018200 r5:00001000 r4:7f075000 [ 1336.948466][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1336.948507][ T32] r5:00001000 r4:eb0d3000 [ 1336.948884][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1336.949094][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1336.949154][ T32] r5:8546db8c r4:8546d800 [ 1336.949176][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1336.949310][ T32] r7:ddde2d80 r6:83018200 r5:8546db8c r4:8549f300 [ 1336.949369][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1336.949444][ T32] r10:61c88647 r9:853fc800 r8:8549f32c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1336.949512][ T32] r4:8549f300 [ 1336.949536][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1336.949643][ T32] r10:00000000 r9:8549f300 r8:8027f5e8 r7:eb5e5e60 r6:8549f380 r5:853fc800 [ 1336.949669][ T32] r4:00000001 [ 1336.949688][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1336.949725][ T32] Exception stack(0xeb605fb0 to 0xeb605ff8) [ 1336.949811][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1336.983012][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1336.983079][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1336.983116][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1336.983141][ T32] r4:85483e80 [ 1336.983662][ T32] INFO: task kworker/1:584:5030 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1336.983720][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1336.983823][ T32] Workqueue: events bpf_prog_free_deferred [ 1336.983913][ T32] Call trace: [ 1336.983946][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1336.984003][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1336.984026][ T32] r4:00000000 [ 1336.984046][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1336.984131][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1336.984164][ T32] 9d20: b5a90000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1336.984194][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1336.984241][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1336.984269][ T32] r5:80070013 r4:80239bb0 [ 1336.984307][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1336.984360][ T32] r4:82ac11a4 [ 1336.984381][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1336.984427][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1336.984470][ T32] r4:e47b9dc0 ** 3 printk messages dropped ** [ 1336.984635][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1336.985010][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1336.985324][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1336.985595][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1336.985851][ T32] r4:853fd400 ** 4 printk messages dropped ** [ 1336.986005][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb5d5e08 ** 9 printk messages dropped ** [ 1336.986401][ T32] r5:00001000 r4:eb41f000 [ 1336.986425][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1336.986591][ T32] r7:ddde2d80 r6:83018200 r5:8546e38c r4:8549f400 ** 7 printk messages dropped ** [ 1336.986862][ T32] Exception stack(0xeb5d5fb0 to 0xeb5d5ff8) ** 4 printk messages dropped ** [ 1336.987020][ T32] r4:85483e80 ** 2 printk messages dropped ** [ 1336.987472][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1336.987847][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 8 printk messages dropped ** [ 1336.988221][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 10 printk messages dropped ** [ 1336.988682][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1336.989099][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1336.989489][ T32] task:kworker/1:586 state:D stack:0 pid:5033 tgid:5033 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1337.011275][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.011335][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb60de08 [ 1337.011393][ T32] r4:00000000 [ 1337.011419][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.011489][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.011542][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.011594][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854a8140 [ 1337.011620][ T32] r4:00000000 [ 1337.011644][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.011699][ T32] r9:83018205 r8:853fe000 r7:00000000 r6:83018200 r5:00001000 r4:7f077000 [ 1337.012001][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.012062][ T32] r5:00001000 r4:eb0eb000 [ 1337.012087][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.012135][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.012187][ T32] r5:8546df8c r4:8546dc00 [ 1337.012211][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.012266][ T32] r7:ddde2d80 r6:83018200 r5:8546df8c r4:8549f500 [ 1337.012290][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.012346][ T32] r10:61c88647 r9:853fe000 r8:8549f52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.012370][ T32] r4:8549f500 [ 1337.012390][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.012435][ T32] r10:00000000 r9:8549f500 r8:8027f5e8 r7:eb5d5e60 r6:8549f580 r5:853fe000 [ 1337.012770][ T32] r4:00000001 [ 1337.012980][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.013025][ T32] Exception stack(0xeb60dfb0 to 0xeb60dff8) [ 1337.013056][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.013086][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.013113][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.013290][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.013322][ T32] r4:854a8080 [ 1337.013828][ T32] INFO: task kworker/1:586:5033 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.013925][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.014249][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.014310][ T32] Call trace: [ 1337.014346][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.014395][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.014419][ T32] r4:00000000 [ 1337.014439][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.014580][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.014614][ T32] 9d20: b5dd6000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.014643][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.014669][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.014753][ T32] r5:80070013 r4:80239bb0 [ 1337.014822][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.014875][ T32] r4:82ac11a4 [ 1337.014896][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.014943][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.014964][ T32] r4:e47b9dc0 [ 1337.014983][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.015025][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.015048][ T32] r4:00000000 [ 1337.015071][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.015295][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.015356][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.015433][ T32] r5:00001000 r4:ece91000 [ 1337.015484][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.015531][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.015601][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.015693][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.015743][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.015777][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1337.016016][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1337.016223][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1337.016617][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1337.017009][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb611e08 ** 9 printk messages dropped ** [ 1337.017388][ T32] r5:00001000 r4:eb33d000 [ 1337.017407][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1337.017612][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1337.017996][ T32] Exception stack(0xeb611fb0 to 0xeb611ff8) ** 6 printk messages dropped ** [ 1337.018599][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1337.019318][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1337.019485][ T32] r4:e47b9dc0 ** 7 printk messages dropped ** [ 1337.019777][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.040414][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.040562][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.040586][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.040637][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.040660][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.040707][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.040729][ T32] r4:8454d780 [ 1337.040748][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.040793][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.040815][ T32] r4:00000001 [ 1337.040835][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.040872][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.040903][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.040931][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.040992][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.041027][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.041073][ T32] r4:84e5a340 [ 1337.041099][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.041130][ T32] INFO: task kworker/1:587:5040 blocked for more than 463 seconds. [ 1337.041178][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.041234][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.041306][ T32] task:kworker/1:587 state:D stack:0 pid:5040 tgid:5040 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.041385][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.041460][ T32] Call trace: [ 1337.041498][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.041552][ T32] r10:8291880c r9:eb621d84 r8:00000002 r7:60000013 r6:eb621d8c r5:84c7c800 [ 1337.041602][ T32] r4:84c7c800 [ 1337.041626][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.041667][ T32] r5:84c7c800 r4:82918808 [ 1337.041688][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.041751][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.041798][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb621e08 [ 1337.041821][ T32] r4:00000000 [ 1337.041866][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.041907][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.041949][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.041992][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854a8740 [ 1337.042015][ T32] r4:00000000 [ 1337.042035][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.042081][ T32] r9:83018205 r8:84c7c800 r7:00000000 r6:83018200 r5:00001000 r4:7f081000 [ 1337.042130][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.042176][ T32] r5:00001000 r4:eb44b000 [ 1337.042224][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.042294][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.042366][ T32] r5:8546eb8c r4:8546e800 [ 1337.042406][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.042535][ T32] r7:ddde2d80 r6:83018200 r5:8546eb8c r4:8549f600 [ 1337.042559][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.042634][ T32] r10:61c88647 r9:84c7c800 r8:8549f62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.042687][ T32] r4:8549f600 [ 1337.042726][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.042778][ T32] r10:00000000 r9:8549f600 r8:8027f5e8 r7:eb5d5e60 r6:85497c80 r5:84c7c800 [ 1337.042802][ T32] r4:00000001 [ 1337.042823][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.042860][ T32] Exception stack(0xeb621fb0 to 0xeb621ff8) [ 1337.042886][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.042914][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1337.042967][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1337.043793][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1337.043955][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 8 printk messages dropped ** [ 1337.044348][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 7 printk messages dropped ** [ 1337.044706][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1337.044895][ T32] r4:8454d780 ** 6 printk messages dropped ** [ 1337.045187][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1337.045883][ T32] r10:8291880c r9:eb625d84 r8:00000002 r7:60000013 r6:eb625d8c r5:84c7d400 ** 8 printk messages dropped ** [ 1337.046825][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1337.047109][ T32] r5:00001000 r4:eb487000 [ 1337.047129][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1337.047269][ T32] r7:dddced80 r6:83018000 r5:8454938c r4:85497d00 ** 5 printk messages dropped ** [ 1337.047592][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1337.047706][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1337.048658][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 2 printk messages dropped ** [ 1337.048838][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.048871][ T32] 9d20: b5ff6000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.048900][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.048953][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.048990][ T32] r5:80070013 r4:80239bb0 [ 1337.049060][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.049142][ T32] r4:82ac11a4 [ 1337.049183][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.049237][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.049308][ T32] r4:e47b9dc0 [ 1337.049354][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.049430][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.049511][ T32] r4:00000000 [ 1337.049537][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.049599][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.049624][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.049799][ T32] r5:00001000 r4:ece91000 [ 1337.074052][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.074148][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.074218][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.074245][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.074298][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.074328][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.074375][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.074413][ T32] r4:8454d780 [ 1337.074441][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.074490][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.074515][ T32] r4:00000001 [ 1337.074562][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.074605][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.074635][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.074663][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.074719][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.074779][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.074806][ T32] r4:84e5a340 [ 1337.074830][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.074860][ T32] INFO: task kworker/1:588:5042 blocked for more than 463 seconds. [ 1337.074894][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.074946][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.074974][ T32] task:kworker/1:588 state:D stack:0 pid:5042 tgid:5042 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.075092][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.075156][ T32] Call trace: [ 1337.075189][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.075269][ T32] r10:8291880c r9:eb629d84 r8:00000002 r7:60000013 r6:eb629d8c r5:84c78c00 [ 1337.075311][ T32] r4:84c78c00 [ 1337.075361][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.075406][ T32] r5:84c78c00 r4:82918808 [ 1337.075455][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.075498][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.075541][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb629e08 [ 1337.075563][ T32] r4:00000000 [ 1337.075595][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.075633][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.075675][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.075717][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854a8600 [ 1337.075765][ T32] r4:00000000 [ 1337.075815][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.075865][ T32] r9:83018205 r8:84c78c00 r7:00000000 r6:83018200 r5:00001000 r4:7f07f000 [ 1337.075913][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.075960][ T32] r5:00001000 r4:eb437000 [ 1337.075996][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.076055][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.076101][ T32] r5:8546e78c r4:8546e400 [ 1337.076120][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.076175][ T32] r7:ddde2d80 r6:83018200 r5:8546e78c r4:8549f680 [ 1337.076199][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.076243][ T32] r10:61c88647 r9:84c78c00 r8:8549f6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.076295][ T32] r4:8549f680 [ 1337.076323][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.076367][ T32] r10:00000000 r9:8549f680 r8:8027f5e8 r7:eb621e60 r6:85497e00 r5:84c78c00 [ 1337.076389][ T32] r4:00000001 [ 1337.076409][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.076499][ T32] Exception stack(0xeb629fb0 to 0xeb629ff8) [ 1337.076530][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.076585][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.076615][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.076646][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.076745][ T32] r4:854a8400 [ 1337.077241][ T32] INFO: task kworker/1:588:5042 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.077276][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.077341][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.077426][ T32] Call trace: [ 1337.077500][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.077550][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.077574][ T32] r4:00000000 [ 1337.077607][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.077656][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.077712][ T32] 9d20: b6313000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.077827][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.077857][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.077909][ T32] r5:80070013 r4:80239bb0 [ 1337.077934][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.077981][ T32] r4:82ac11a4 [ 1337.078029][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.078081][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.078130][ T32] r4:e47b9dc0 [ 1337.078154][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.078215][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.078239][ T32] r4:00000000 [ 1337.078258][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.078357][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.078385][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.078428][ T32] r5:00001000 r4:ece91000 [ 1337.078447][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.078485][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.078526][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.078545][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.078591][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.078632][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1337.078893][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 9 printk messages dropped ** [ 1337.079308][ T32] INFO: task kworker/1:589:5043 blocked for more than 463 seconds. ** 7 printk messages dropped ** [ 1337.079692][ T32] r4:84c7e000 ** 4 printk messages dropped ** [ 1337.093270][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb62de08 ** 9 printk messages dropped ** [ 1337.093761][ T32] r5:00001000 r4:eb4e3000 [ 1337.093789][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1337.093968][ T32] r7:ddde2d80 r6:83018200 r5:8546f38c r4:8549f700 ** 7 printk messages dropped ** [ 1337.094303][ T32] Exception stack(0xeb62dfb0 to 0xeb62dff8) ** 6 printk messages dropped ** [ 1337.094973][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1337.095597][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1337.095836][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1337.096057][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1337.096449][ T32] r4:8454d780 [ 1337.096470][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.096517][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.096567][ T32] r4:00000001 [ 1337.096592][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.096629][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.096655][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.096710][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.096769][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.096829][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.096882][ T32] r4:84e5a340 [ 1337.096907][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.096937][ T32] INFO: task kworker/1:590:5045 blocked for more than 463 seconds. [ 1337.097000][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.097061][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.097096][ T32] task:kworker/1:590 state:D stack:0 pid:5045 tgid:5045 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.097145][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.097186][ T32] Call trace: [ 1337.097215][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.097262][ T32] r10:8291880c r9:eb61dd84 r8:00000002 r7:60000113 r6:eb61dd8c r5:853fb000 [ 1337.097285][ T32] r4:853fb000 [ 1337.097324][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.097368][ T32] r5:853fb000 r4:82918808 [ 1337.097387][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.097436][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.097513][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb61de08 [ 1337.097539][ T32] r4:00000000 [ 1337.097559][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.097597][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.097671][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.097717][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854a8ac0 [ 1337.097739][ T32] r4:00000000 [ 1337.097758][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.097819][ T32] r9:83018205 r8:853fb000 r7:00000000 r6:83018200 r5:00001000 r4:7f087000 [ 1337.097845][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.097898][ T32] r5:00001000 r4:eb4bd000 [ 1337.097921][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.097960][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.098000][ T32] r5:8546ef8c r4:8546ec00 [ 1337.098022][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.098067][ T32] r7:ddde2d80 r6:83018200 r5:8546ef8c r4:8549f780 [ 1337.098114][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.098286][ T32] r10:61c88647 r9:853fb000 r8:8549f7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.098322][ T32] r4:8549f780 [ 1337.098342][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.098388][ T32] r10:00000000 r9:8549f780 r8:8027f5e8 r7:eb62de60 r6:8549f800 r5:853fb000 [ 1337.098410][ T32] r4:00000001 [ 1337.098429][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.098465][ T32] Exception stack(0xeb61dfb0 to 0xeb61dff8) [ 1337.098491][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.098520][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.098570][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.098602][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.098625][ T32] r4:854a8400 [ 1337.099025][ T32] INFO: task kworker/1:590:5045 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.099098][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.099180][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.099386][ T32] Call trace: ** 1 printk messages dropped ** [ 1337.122391][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1337.122836][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1337.123166][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1337.123548][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1337.123836][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 6 printk messages dropped ** [ 1337.124040][ T32] INFO: task kworker/0:368:5048 blocked for more than 463 seconds. ** 7 printk messages dropped ** [ 1337.124340][ T32] r4:84c7ec00 ** 3 printk messages dropped ** [ 1337.124549][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.124601][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb619e08 [ 1337.124654][ T32] r4:00000000 [ 1337.124678][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.124775][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.124823][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.124867][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85578ac0 [ 1337.124889][ T32] r4:00000000 [ 1337.124925][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.124973][ T32] r9:83018005 r8:84c7ec00 r7:00000000 r6:83018000 r5:00001000 r4:7f055000 [ 1337.124995][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.125087][ T32] r5:00001000 r4:eb27d000 [ 1337.125111][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.125258][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.125316][ T32] r5:854e078c r4:854e0400 [ 1337.125338][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.125381][ T32] r7:dddced80 r6:83018000 r5:854e078c r4:85497f00 [ 1337.125420][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.125468][ T32] r10:61c88647 r9:84c7ec00 r8:85497f2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1337.125512][ T32] r4:85497f00 [ 1337.125562][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.125610][ T32] r10:00000000 r9:85497f00 r8:8027f5e8 r7:eb5d1e60 r6:85497f80 r5:84c7ec00 [ 1337.125633][ T32] r4:00000001 [ 1337.125653][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.125688][ T32] Exception stack(0xeb619fb0 to 0xeb619ff8) [ 1337.125741][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.125774][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.125803][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.125831][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.125853][ T32] r4:854ae440 [ 1337.126380][ T32] INFO: task kworker/0:368:5048 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.126418][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.126476][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.126521][ T32] Call trace: [ 1337.126552][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.126600][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.126622][ T32] r4:00000000 [ 1337.126641][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.126677][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.126705][ T32] 9d20: b6aba000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.126734][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.126760][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.126783][ T32] r5:80070013 r4:80239bb0 [ 1337.126803][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.126846][ T32] r4:82ac11a4 [ 1337.126881][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.126934][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.127056][ T32] r4:e47b9dc0 [ 1337.127094][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.127153][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.127179][ T32] r4:00000000 [ 1337.127227][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.127304][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.127440][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.127518][ T32] r5:00001000 r4:ece91000 [ 1337.127542][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.127581][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1337.127930][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1337.128368][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1337.128644][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1337.129123][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 7 printk messages dropped ** [ 1337.129516][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1337.129689][ T32] r5:00001000 r4:eb241000 ** 2 printk messages dropped ** [ 1337.153180][ T32] r5:854e038c r4:854e0000 ** 1 printk messages dropped ** [ 1337.153276][ T32] r7:dddced80 r6:83018000 r5:854e038c r4:854ac000 ** 9 printk messages dropped ** [ 1337.153783][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1337.154667][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1337.155068][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 10 printk messages dropped ** [ 1337.155593][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1337.155953][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 1 printk messages dropped ** [ 1337.156052][ T32] r4:8454d780 [ 1337.156072][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.156116][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.156168][ T32] r4:00000001 [ 1337.156191][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.156245][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.156332][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.156396][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.156427][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.156456][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.156485][ T32] r4:84e5a340 [ 1337.156534][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.156569][ T32] INFO: task kworker/1:591:5052 blocked for more than 463 seconds. [ 1337.156605][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.156630][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.156652][ T32] task:kworker/1:591 state:D stack:0 pid:5052 tgid:5052 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.156759][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.156831][ T32] Call trace: [ 1337.156866][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.156916][ T32] r10:8291880c r9:eb635d84 r8:00000002 r7:60000113 r6:eb635d8c r5:84c7b000 [ 1337.156965][ T32] r4:84c7b000 [ 1337.157015][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.157060][ T32] r5:84c7b000 r4:82918808 [ 1337.157108][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.157167][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.157213][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb635e08 [ 1337.157236][ T32] r4:00000000 [ 1337.157255][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.157290][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.157333][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.157375][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854a8e40 [ 1337.157396][ T32] r4:00000000 [ 1337.157442][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.157490][ T32] r9:83018205 r8:84c7b000 r7:00000000 r6:83018200 r5:00001000 r4:7f08d000 [ 1337.157529][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.157599][ T32] r5:00001000 r4:eb51d000 [ 1337.157622][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.157663][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.157703][ T32] r5:8546fb8c r4:8546f800 [ 1337.157724][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.157766][ T32] r7:ddde2d80 r6:83018200 r5:8546fb8c r4:8549f880 [ 1337.157787][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.157831][ T32] r10:61c88647 r9:84c7b000 r8:8549f8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.157879][ T32] r4:8549f880 [ 1337.157928][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.158001][ T32] r10:00000000 r9:8549f880 r8:8027f5e8 r7:eb62de60 r6:854ac100 r5:84c7b000 [ 1337.158064][ T32] r4:00000001 [ 1337.158086][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.158123][ T32] Exception stack(0xeb635fb0 to 0xeb635ff8) [ 1337.158150][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.158178][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.158243][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.158295][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.158383][ T32] r4:854a8400 [ 1337.158737][ T32] INFO: task kworker/1:591:5052 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.158773][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.158852][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.158896][ T32] Call trace: [ 1337.158953][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.159055][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.159100][ T32] r4:00000000 [ 1337.159125][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.159165][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.159193][ T32] 9d20: b6e09000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.159248][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.159284][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.159343][ T32] r5:80070013 r4:80239bb0 [ 1337.159367][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.159413][ T32] r4:82ac11a4 [ 1337.159434][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.159480][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 3 printk messages dropped ** [ 1337.159588][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1337.173279][ T32] r5:00001000 r4:ece91000 ** 5 printk messages dropped ** [ 1337.173580][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1337.173963][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1337.174404][ T32] task:kworker/1:592 state:D stack:0 pid:5054 tgid:5054 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1337.175270][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1337.175648][ T32] r5:00001000 r4:eb4fb000 [ 1337.175679][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1337.175945][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1337.176403][ T32] Exception stack(0xeb63dfb0 to 0xeb63dff8) [ 1337.176485][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.176518][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.176560][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.176593][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.176643][ T32] r4:854a8b40 [ 1337.177146][ T32] INFO: task kworker/1:592:5054 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.177181][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.177386][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.177460][ T32] Call trace: [ 1337.177497][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.177548][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.177573][ T32] r4:00000000 [ 1337.177592][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.177628][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.177710][ T32] 9d20: b6f6f000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.177743][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.177768][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.177864][ T32] r5:80070013 r4:80239bb0 [ 1337.177918][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.177972][ T32] r4:82ac11a4 [ 1337.177994][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.178041][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.178069][ T32] r4:e47b9dc0 [ 1337.178088][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.178175][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.178242][ T32] r4:00000000 [ 1337.178266][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.178352][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.178387][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.178431][ T32] r5:00001000 r4:ece91000 [ 1337.178496][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.178639][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.178685][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.178707][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.178752][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.178773][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.178818][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.178929][ T32] r4:8454d780 [ 1337.179028][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.179093][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.179118][ T32] r4:00000001 [ 1337.179238][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.179337][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.179401][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.179432][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.179458][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1337.179558][ T32] INFO: task kworker/1:593:5055 blocked for more than 463 seconds. [ 1337.179588][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.179610][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.179771][ T32] task:kworker/1:593 state:D stack:0 pid:5055 tgid:5055 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.200674][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.200810][ T32] Call trace: [ 1337.200897][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.200958][ T32] r10:8291880c r9:eb641d84 r8:00000002 r7:60000013 r6:eb641d8c r5:85406c00 [ 1337.201009][ T32] r4:85406c00 [ 1337.201034][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.201076][ T32] r5:85406c00 r4:82918808 [ 1337.201096][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.201133][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.201177][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb641e08 [ 1337.201199][ T32] r4:00000000 [ 1337.201218][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.201255][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.201298][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.201351][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854a8fc0 [ 1337.201374][ T32] r4:00000000 [ 1337.201394][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.201447][ T32] r9:83018205 r8:85406c00 r7:00000000 r6:83018200 r5:00001000 r4:7f08f000 [ 1337.201469][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.201540][ T32] r5:00001000 r4:eb535000 [ 1337.201622][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.201668][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.201713][ T32] r5:8546ff8c r4:8546fc00 [ 1337.201733][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.201782][ T32] r7:ddde2d80 r6:83018200 r5:8546ff8c r4:8549f980 [ 1337.201803][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.201890][ T32] r10:61c88647 r9:85406c00 r8:8549f9ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.201945][ T32] r4:8549f980 [ 1337.201969][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.202064][ T32] r10:00000000 r9:8549f980 r8:8027f5e8 r7:eb635e60 r6:854ac200 r5:85406c00 [ 1337.202101][ T32] r4:00000001 [ 1337.202126][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.202166][ T32] Exception stack(0xeb641fb0 to 0xeb641ff8) ** 3 printk messages dropped ** [ 1337.202344][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1337.203405][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 7 printk messages dropped ** [ 1337.203719][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 9 printk messages dropped ** [ 1337.204047][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1337.204462][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1337.204597][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1337.204767][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1337.205128][ T32] r4:85509800 ** 4 printk messages dropped ** [ 1337.205397][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb655e08 ** 9 printk messages dropped ** [ 1337.205989][ T32] r5:00001000 r4:eb64b000 [ 1337.206010][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1337.206143][ T32] r5:8547438c r4:85474000 ** 4 printk messages dropped ** [ 1337.206391][ T32] r4:8549fa00 ** 4 printk messages dropped ** [ 1337.206567][ T32] Exception stack(0xeb655fb0 to 0xeb655ff8) ** 2 printk messages dropped ** [ 1337.206649][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.206705][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.206731][ T32] r4:854a8dc0 [ 1337.207080][ T32] INFO: task kworker/1:594:5058 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.207113][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.207203][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.207248][ T32] Call trace: [ 1337.207280][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.207336][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.207360][ T32] r4:00000000 [ 1337.207379][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.207442][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.207474][ T32] 9d20: b72f7000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.207503][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.207556][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.207584][ T32] r5:80070013 r4:80239bb0 [ 1337.207632][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.207682][ T32] r4:82ac11a4 [ 1337.207729][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.207782][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.207804][ T32] r4:e47b9dc0 [ 1337.207823][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.207866][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.207915][ T32] r4:00000000 [ 1337.208065][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.208117][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.208168][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.208218][ T32] r5:00001000 r4:ece91000 [ 1337.208266][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.208315][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.208385][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.208437][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.208490][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.208541][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.208619][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.208645][ T32] r4:8454d780 [ 1337.208694][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.208766][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.208793][ T32] r4:00000001 [ 1337.208812][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.208880][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.208910][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.208939][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.208967][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.209000][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.209052][ T32] r4:84e5a340 [ 1337.209099][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.209228][ T32] INFO: task kworker/1:595:5060 blocked for more than 463 seconds. [ 1337.209292][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.209324][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.209346][ T32] task:kworker/1:595 state:D stack:0 pid:5060 tgid:5060 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.209442][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1337.233982][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1337.234614][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.234659][ T32] r5:00001000 r4:eb65f000 [ 1337.234678][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1337.234884][ T32] r7:ddde2d80 r6:83018200 r5:8547478c r4:8549fa80 ** 7 printk messages dropped ** [ 1337.235487][ T32] Exception stack(0xeb65dfb0 to 0xeb65dff8) ** 6 printk messages dropped ** [ 1337.236305][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 13 printk messages dropped ** [ 1337.236872][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 12 printk messages dropped ** [ 1337.237463][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1337.237770][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1337.238124][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1337.238599][ T32] r10:8291880c r9:eb631d84 r8:00000002 r7:60000013 r6:eb631d8c r5:853fbc00 ** 8 printk messages dropped ** [ 1337.238981][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1337.239356][ T32] r5:00001000 r4:eb66b000 ** 2 printk messages dropped ** [ 1337.239494][ T32] r5:85474b8c r4:85474800 ** 4 printk messages dropped ** [ 1337.239694][ T32] r4:8549fb00 ** 6 printk messages dropped ** [ 1337.258942][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1337.262904][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1337.263203][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 4 printk messages dropped ** [ 1337.263397][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.263499][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.263528][ T32] r4:e47b9dc0 [ 1337.263571][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.263653][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.263681][ T32] r4:00000000 [ 1337.263703][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.263786][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.263902][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.264022][ T32] r5:00001000 r4:ece91000 [ 1337.264048][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.264111][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.264184][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.264209][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.264258][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.264279][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.264332][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.264355][ T32] r4:8454d780 [ 1337.264403][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.264453][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.264489][ T32] r4:00000001 [ 1337.264512][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.264550][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.264577][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.264605][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.264631][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.264659][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.264710][ T32] r4:84e5a340 [ 1337.264737][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.264766][ T32] INFO: task kworker/1:597:5063 blocked for more than 463 seconds. [ 1337.264800][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.264825][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.264865][ T32] task:kworker/1:597 state:D stack:0 pid:5063 tgid:5063 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.264948][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.265065][ T32] Call trace: [ 1337.265101][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.265151][ T32] r10:8291880c r9:eb639d84 r8:00000002 r7:60000113 r6:eb639d8c r5:853f9800 [ 1337.265181][ T32] r4:853f9800 [ 1337.265201][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.265245][ T32] r5:853f9800 r4:82918808 [ 1337.265281][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.265366][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.265413][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb639e08 [ 1337.265435][ T32] r4:00000000 [ 1337.265454][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.265489][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.265544][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.265672][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854a94c0 [ 1337.265698][ T32] r4:00000000 [ 1337.265718][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.265762][ T32] r9:83018205 r8:853f9800 r7:00000000 r6:83018200 r5:00001000 r4:7f097000 [ 1337.265833][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.265911][ T32] r5:00001000 r4:eb677000 [ 1337.265935][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.265976][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.266017][ T32] r5:85474f8c r4:85474c00 [ 1337.266055][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.266167][ T32] r7:ddde2d80 r6:83018200 r5:85474f8c r4:8549fc00 [ 1337.266219][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.266308][ T32] r10:61c88647 r9:853f9800 r8:8549fc2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.266365][ T32] r4:8549fc00 [ 1337.266389][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.266437][ T32] r10:00000000 r9:8549fc00 r8:8027f5e8 r7:eb631e60 r6:8549fc80 r5:853f9800 [ 1337.266461][ T32] r4:00000001 [ 1337.266480][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.266542][ T32] Exception stack(0xeb639fb0 to 0xeb639ff8) [ 1337.266573][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.266602][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.266629][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.266684][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 1 printk messages dropped ** [ 1337.267205][ T32] INFO: task kworker/1:597:5063 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 7 printk messages dropped ** [ 1337.267654][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 7 printk messages dropped ** [ 1337.268068][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 10 printk messages dropped ** [ 1337.268541][ T32] r5:85a7af8c r4:85a7ac00 ** 7 printk messages dropped ** [ 1337.268951][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1337.269234][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1337.269589][ T32] Call trace: ** 4 printk messages dropped ** [ 1337.287665][ T32] r5:853fec00 r4:82918808 ** 3 printk messages dropped ** [ 1337.287898][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1337.288104][ T32] r4:00000000 [ 1337.288124][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.288169][ T32] r9:83018205 r8:853fec00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b3000 [ 1337.288191][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.288235][ T32] r5:00001000 r4:eb6c7000 [ 1337.288307][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.288353][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.288396][ T32] r5:8547678c r4:85476400 [ 1337.288464][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.288544][ T32] r7:ddde2d80 r6:83018200 r5:8547678c r4:8549fd00 [ 1337.288571][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.288652][ T32] r10:61c88647 r9:853fec00 r8:8549fd2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.288765][ T32] r4:8549fd00 [ 1337.288789][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.288835][ T32] r10:00000000 r9:8549fd00 r8:8027f5e8 r7:eb639e60 r6:8549fd80 r5:853fec00 [ 1337.288858][ T32] r4:00000001 [ 1337.288879][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.288916][ T32] Exception stack(0xeb669fb0 to 0xeb669ff8) [ 1337.288945][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.288973][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.289027][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.289133][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.289189][ T32] r4:854a9540 [ 1337.289812][ T32] INFO: task kworker/1:598:5066 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.302245][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.302450][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.302585][ T32] Call trace: [ 1337.302653][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.302712][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.302748][ T32] r4:00000000 [ 1337.302772][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.302813][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.302842][ T32] 9d20: b7bd4000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.302871][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.302896][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.302926][ T32] r5:80070013 r4:80239bb0 [ 1337.302947][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.302992][ T32] r4:82ac11a4 [ 1337.303045][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.303097][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.303149][ T32] r4:e47b9dc0 [ 1337.303174][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.303218][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.303241][ T32] r4:00000000 [ 1337.303288][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.303364][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.303419][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.303471][ T32] r5:00001000 r4:ece91000 [ 1337.303492][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.303532][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.303575][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.303595][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.303640][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.303662][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.303706][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.303735][ T32] r4:8454d780 [ 1337.303758][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.303801][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.303823][ T32] r4:00000001 [ 1337.303842][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.303876][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.303902][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.303930][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.303957][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.303986][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.304007][ T32] r4:84e5a340 [ 1337.304030][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.304087][ T32] INFO: task kworker/1:599:5068 blocked for more than 463 seconds. [ 1337.304126][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.304233][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.304259][ T32] task:kworker/1:599 state:D stack:0 pid:5068 tgid:5068 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.304314][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.304372][ T32] Call trace: [ 1337.304449][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.304498][ T32] r10:8291880c r9:eb695d84 r8:00000002 r7:60000113 r6:eb695d8c r5:8550b000 [ 1337.304520][ T32] r4:8550b000 [ 1337.304661][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.304704][ T32] r5:8550b000 r4:82918808 [ 1337.304872][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.304914][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.304958][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb695e08 [ 1337.305060][ T32] r4:00000000 [ 1337.305111][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.305151][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.305189][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.305259][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854a9440 [ 1337.305285][ T32] r4:00000000 [ 1337.305314][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1337.305543][ T32] r5:00001000 r4:eb683000 [ 1337.305568][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1337.305753][ T32] r5:8547538c r4:85475000 ** 8 printk messages dropped ** [ 1337.306349][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1337.307046][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1337.308024][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1337.308183][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1337.308667][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1337.309167][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1337.309614][ T32] Call trace: ** 4 printk messages dropped ** [ 1337.328210][ T32] r5:8550a400 r4:82918808 ** 5 printk messages dropped ** [ 1337.328528][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1337.328911][ T32] r5:00001000 r4:eb68f000 [ 1337.328932][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1337.329150][ T32] r7:ddde2d80 r6:83018200 r5:8547578c r4:8549fe80 ** 5 printk messages dropped ** [ 1337.329518][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1337.329761][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1337.343134][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1337.343496][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1337.343656][ T32] r4:e47b9dc0 ** 5 printk messages dropped ** [ 1337.343892][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1337.344329][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1337.344461][ T32] r4:00000001 [ 1337.344492][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.344587][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.344643][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.344676][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.344702][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.344733][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.344783][ T32] r4:84e5a340 [ 1337.344808][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.344878][ T32] INFO: task kworker/1:601:5071 blocked for more than 463 seconds. [ 1337.344945][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.345059][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.345087][ T32] task:kworker/1:601 state:D stack:0 pid:5071 tgid:5071 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.345135][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.345188][ T32] Call trace: [ 1337.345234][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.345306][ T32] r10:8291880c r9:eb681d84 r8:00000002 r7:60000113 r6:eb681d8c r5:853f4800 [ 1337.345361][ T32] r4:853f4800 [ 1337.345450][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.345537][ T32] r5:853f4800 r4:82918808 [ 1337.345560][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.345612][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.345658][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb681e08 [ 1337.345707][ T32] r4:00000000 [ 1337.345758][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.345798][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.345918][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.345990][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854a98c0 [ 1337.346015][ T32] r4:00000000 [ 1337.346035][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.346108][ T32] r9:83018205 r8:853f4800 r7:00000000 r6:83018200 r5:00001000 r4:7f0ad000 [ 1337.346132][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.346225][ T32] r5:00001000 r4:eb6a3000 [ 1337.346250][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.346291][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.346338][ T32] r5:85475b8c r4:85475800 [ 1337.346372][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.346419][ T32] r7:ddde2d80 r6:83018200 r5:85475b8c r4:8549ff00 [ 1337.346440][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.346512][ T32] r10:61c88647 r9:853f4800 r8:8549ff2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.346593][ T32] r4:8549ff00 [ 1337.346616][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.346660][ T32] r10:00000000 r9:8549ff00 r8:8027f5e8 r7:eb669e60 r6:8549ff80 r5:853f4800 [ 1337.346682][ T32] r4:00000001 [ 1337.346714][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.346755][ T32] Exception stack(0xeb681fb0 to 0xeb681ff8) [ 1337.346809][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.346842][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.346868][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.346897][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.346946][ T32] r4:854a9600 [ 1337.347273][ T32] INFO: task kworker/1:601:5071 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.347311][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.347367][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.347496][ T32] Call trace: [ 1337.347616][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.347685][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.347740][ T32] r4:00000000 [ 1337.347792][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.347861][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.347896][ T32] 9d20: b8067000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.347927][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.348002][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.348033][ T32] r5:80070013 r4:80239bb0 [ 1337.348055][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.348100][ T32] r4:82ac11a4 [ 1337.348148][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.348199][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.348248][ T32] r4:e47b9dc0 [ 1337.348271][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.348323][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.348359][ T32] r4:00000000 [ 1337.348413][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.348461][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.348510][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1337.348823][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 5 printk messages dropped ** [ 1337.349091][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1337.349336][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1337.349678][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1337.373205][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1337.373515][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1337.373700][ T32] r5:00001000 r4:eb6af000 [ 1337.373741][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.373786][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.373829][ T32] r5:85475f8c r4:85475c00 [ 1337.373864][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.373935][ T32] r7:ddde2d80 r6:83018200 r5:85475f8c r4:854f5000 [ 1337.373959][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.374026][ T32] r10:61c88647 r9:853ea400 r8:854f502c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.374084][ T32] r4:854f5000 [ 1337.374107][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.374186][ T32] r10:00000000 r9:854f5000 r8:8027f5e8 r7:eb669e60 r6:854f5080 r5:853ea400 [ 1337.374257][ T32] r4:00000001 [ 1337.374291][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.374336][ T32] Exception stack(0xeb6a1fb0 to 0xeb6a1ff8) [ 1337.374391][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.374423][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.374459][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.374492][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.374535][ T32] r4:854a9880 [ 1337.375041][ T32] INFO: task kworker/1:602:5075 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.375078][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.375208][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.375261][ T32] Call trace: [ 1337.375337][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.375422][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.375450][ T32] r4:00000000 [ 1337.375471][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.375511][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.375559][ T32] 9d20: b8537000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.375593][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.375618][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.375654][ T32] r5:80070013 r4:80239bb0 [ 1337.375699][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.375768][ T32] r4:82ac11a4 [ 1337.375794][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.375844][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.375866][ T32] r4:e47b9dc0 [ 1337.375885][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.375928][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.375963][ T32] r4:00000000 [ 1337.375986][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.376031][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.376053][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.376097][ T32] r5:00001000 r4:ece91000 [ 1337.376117][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.376155][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.376208][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.376231][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1337.376384][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1337.376765][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1337.377180][ T32] Call trace: ** 5 printk messages dropped ** [ 1337.377415][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1337.377854][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.377936][ T32] r5:00001000 r4:eb6bb000 ** 1 printk messages dropped ** [ 1337.378020][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1337.378465][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 6 printk messages dropped ** [ 1337.379122][ T32] INFO: task kworker/1:603:5076 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 7 printk messages dropped ** [ 1337.379582][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 6 printk messages dropped ** [ 1337.390288][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 9 printk messages dropped ** [ 1337.390716][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 9 printk messages dropped ** [ 1337.391112][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1337.391312][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1337.391739][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1337.392124][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1337.392521][ T32] r5:00001000 r4:dfa3b000 [ 1337.392560][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.392604][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1337.392863][ T32] r10:61c88647 r9:85530c00 r8:854f522c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.392889][ T32] r4:854f5200 [ 1337.392908][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.392972][ T32] r10:00000000 r9:854f5200 r8:8027f5e8 r7:eb669e60 r6:854f5280 r5:85530c00 [ 1337.393023][ T32] r4:00000001 [ 1337.393060][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.393100][ T32] Exception stack(0xeb6c5fb0 to 0xeb6c5ff8) [ 1337.393155][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.393208][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.393237][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.393265][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.393288][ T32] r4:854a9b80 [ 1337.393795][ T32] INFO: task kworker/1:604:5078 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.393828][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.393910][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.394002][ T32] Call trace: [ 1337.394036][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.394085][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.394108][ T32] r4:00000000 [ 1337.394127][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.394163][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.394216][ T32] 9d20: b8537000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.394272][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.394309][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.394335][ T32] r5:80070013 r4:80239bb0 [ 1337.394378][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.394447][ T32] r4:82ac11a4 [ 1337.394470][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.394518][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.394540][ T32] r4:e47b9dc0 [ 1337.394559][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.394610][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.394635][ T32] r4:00000000 [ 1337.394676][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.394725][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.394750][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.394802][ T32] r5:00001000 r4:ece91000 [ 1337.394825][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.394866][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.394926][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.394950][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.394998][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.395018][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.395063][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.395085][ T32] r4:8454d780 [ 1337.395114][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1337.395285][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 6 printk messages dropped ** [ 1337.395544][ T32] INFO: task kworker/1:605:5080 blocked for more than 463 seconds. ** 7 printk messages dropped ** [ 1337.395876][ T32] r4:85531800 ** 4 printk messages dropped ** [ 1337.396133][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6d1e08 ** 9 printk messages dropped ** [ 1337.396548][ T32] r5:00001000 r4:dfa77000 [ 1337.396570][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.396622][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1337.396731][ T32] r7:ddde2d80 r6:83018200 r5:85476f8c r4:854f5300 ** 9 printk messages dropped ** [ 1337.397200][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1337.397962][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1337.398368][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1337.398602][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1337.398837][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 7 printk messages dropped ** [ 1337.399212][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1337.399556][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1337.433361][ T32] r10:8291880c r9:ea911d84 r8:00000002 r7:60000013 r6:ea911d8c r5:85532400 ** 8 printk messages dropped ** [ 1337.433700][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1337.434027][ T32] r5:00001000 r4:dfbdd000 [ 1337.434052][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1337.434180][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.434273][ T32] r7:ddde2d80 r6:83018200 r5:8547738c r4:854f5400 [ 1337.434296][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.434348][ T32] r10:61c88647 r9:85532400 r8:854f542c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.434412][ T32] r4:854f5400 [ 1337.434437][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.434481][ T32] r10:00000000 r9:854f5400 r8:8027f5e8 r7:eb6d1e60 r6:854f5480 r5:85532400 [ 1337.434524][ T32] r4:00000001 [ 1337.434547][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.434585][ T32] Exception stack(0xea911fb0 to 0xea911ff8) [ 1337.434635][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.434667][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.434694][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.434723][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.434775][ T32] r4:854a9dc0 [ 1337.435276][ T32] INFO: task kworker/1:606:5082 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.435316][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.435375][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.435419][ T32] Call trace: [ 1337.435449][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.435496][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.435540][ T32] r4:00000000 [ 1337.435571][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.435609][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.435636][ T32] 9d20: b8de1000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.435664][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.435689][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.435712][ T32] r5:80070013 r4:80239bb0 [ 1337.435731][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.435775][ T32] r4:82ac11a4 [ 1337.435794][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.435839][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.435872][ T32] r4:e47b9dc0 [ 1337.435901][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.435946][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.435969][ T32] r4:00000000 [ 1337.435989][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.436033][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.436054][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.436096][ T32] r5:00001000 r4:ece91000 [ 1337.436116][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.436154][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.436196][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.436215][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.436261][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.436280][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.436334][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.436357][ T32] r4:8454d780 [ 1337.436376][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.436419][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.436441][ T32] r4:00000001 [ 1337.436480][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.436553][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.436583][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.436612][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.436638][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.436667][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.436688][ T32] r4:84e5a340 [ 1337.436709][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.436759][ T32] INFO: task kworker/1:607:5084 blocked for more than 463 seconds. [ 1337.436799][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.436825][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.436867][ T32] task:kworker/1:607 state:D stack:0 pid:5084 tgid:5084 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.436914][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.436955][ T32] Call trace: [ 1337.437009][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.437059][ T32] r10:8291880c r9:eb6d5d84 r8:00000002 r7:60000113 r6:eb6d5d8c r5:85533000 [ 1337.437102][ T32] r4:85533000 [ 1337.437145][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.437187][ T32] r5:85533000 r4:82918808 [ 1337.437209][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.437243][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.437285][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6d5e08 [ 1337.437313][ T32] r4:00000000 [ 1337.437332][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.437366][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.437402][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.437466][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85574380 [ 1337.437491][ T32] r4:00000000 [ 1337.437511][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.437554][ T32] r9:83018205 r8:85533000 r7:00000000 r6:83018200 r5:00001000 r4:7f03b000 [ 1337.437575][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.437636][ T32] r5:00001000 r4:e074d000 [ 1337.437659][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.437698][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.437760][ T32] r5:85477b8c r4:85477800 [ 1337.437784][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.437829][ T32] r7:ddde2d80 r6:83018200 r5:85477b8c r4:854f5500 [ 1337.437850][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.437893][ T32] r10:61c88647 r9:85533000 r8:854f552c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.437934][ T32] r4:854f5500 [ 1337.437957][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.438000][ T32] r10:00000000 r9:854f5500 r8:8027f5e8 r7:ea911e60 r6:854f5580 r5:85533000 [ 1337.438023][ T32] r4:00000001 [ 1337.438043][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.438077][ T32] Exception stack(0xeb6d5fb0 to 0xeb6d5ff8) [ 1337.438102][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.438129][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.438155][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.438182][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.438256][ T32] r4:85574080 [ 1337.438590][ T32] INFO: task kworker/1:607:5084 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.438644][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.438729][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.438799][ T32] Call trace: [ 1337.438831][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.438879][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.438903][ T32] r4:00000000 [ 1337.438945][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.438998][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.439087][ T32] 9d20: b8de1000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.439124][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.439171][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.439198][ T32] r5:80070013 r4:80239bb0 [ 1337.439220][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.439265][ T32] r4:82ac11a4 [ 1337.439285][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.439374][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.439401][ T32] r4:e47b9dc0 [ 1337.439421][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.439465][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.439510][ T32] r4:00000000 [ 1337.439556][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1337.439668][ T32] r5:00001000 r4:ece91000 ** 5 printk messages dropped ** [ 1337.448060][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1337.448332][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1337.448642][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1337.448969][ T32] r10:8291880c r9:eb675d84 r8:00000002 r7:60000013 r6:eb675d8c r5:85533c00 ** 6 printk messages dropped ** [ 1337.449354][ T32] r4:00000000 [ 1337.449395][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.449435][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.449478][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.449581][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85574040 [ 1337.449609][ T32] r4:00000000 [ 1337.449630][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.449676][ T32] r9:83018205 r8:85533c00 r7:00000000 r6:83018200 r5:00001000 r4:7f039000 [ 1337.449697][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.460218][ T32] r5:00001000 r4:e0641000 [ 1337.460299][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.460374][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.460419][ T32] r5:8547778c r4:85477400 [ 1337.460439][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.460508][ T32] r7:ddde2d80 r6:83018200 r5:8547778c r4:854f5600 [ 1337.460556][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.460607][ T32] r10:61c88647 r9:85533c00 r8:854f562c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.460630][ T32] r4:854f5600 [ 1337.460682][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.460741][ T32] r10:00000000 r9:854f5600 r8:8027f5e8 r7:eb6d5e60 r6:854f5680 r5:85533c00 [ 1337.460786][ T32] r4:00000001 [ 1337.460809][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.460847][ T32] Exception stack(0xeb675fb0 to 0xeb675ff8) [ 1337.460898][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.460931][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.460978][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.461010][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.461033][ T32] r4:85574080 [ 1337.461551][ T32] INFO: task kworker/1:608:5085 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.461610][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.461706][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.461758][ T32] Call trace: [ 1337.461814][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.461875][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.461923][ T32] r4:00000000 [ 1337.461946][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.461983][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.462033][ T32] 9d20: b90f1000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.462065][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.462091][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.462126][ T32] r5:80070013 r4:80239bb0 [ 1337.462169][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.462265][ T32] r4:82ac11a4 [ 1337.462295][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.462348][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.462380][ T32] r4:e47b9dc0 [ 1337.462424][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.462492][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.462519][ T32] r4:00000000 [ 1337.462539][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.462585][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.462607][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.462649][ T32] r5:00001000 r4:ece91000 [ 1337.462669][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.462706][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.462746][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.462765][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.462831][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.462855][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.462900][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.462943][ T32] r4:8454d780 [ 1337.462966][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.463011][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.463058][ T32] r4:00000001 [ 1337.463080][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.463116][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.463142][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.463169][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.463195][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.463243][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.463268][ T32] r4:84e5a340 [ 1337.463305][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.463354][ T32] INFO: task kworker/1:609:5087 blocked for more than 463 seconds. ** 4 printk messages dropped ** [ 1337.463575][ T32] Call trace: ** 5 printk messages dropped ** [ 1337.463848][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1337.464222][ T32] r9:83018205 r8:85534800 r7:00000000 r6:83018200 r5:00001000 r4:7f03d000 ** 1 printk messages dropped ** [ 1337.464285][ T32] r5:00001000 r4:ea94d000 [ 1337.464309][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.464351][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.464412][ T32] r5:85477f8c r4:85477c00 [ 1337.464457][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.464529][ T32] r7:ddde2d80 r6:83018200 r5:85477f8c r4:854f5700 [ 1337.464587][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.464637][ T32] r10:61c88647 r9:85534800 r8:854f572c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.464659][ T32] r4:854f5700 [ 1337.464678][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.464743][ T32] r10:00000000 r9:854f5700 r8:8027f5e8 r7:eb6d5e60 r6:854f5780 r5:85534800 [ 1337.464792][ T32] r4:00000001 [ 1337.464813][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.464871][ T32] Exception stack(0xeb6d9fb0 to 0xeb6d9ff8) [ 1337.464923][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.464956][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.464983][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.465011][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.465033][ T32] r4:855742c0 [ 1337.465379][ T32] INFO: task kworker/1:609:5087 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.465412][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.465516][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.465564][ T32] Call trace: [ 1337.465619][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.465689][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.465716][ T32] r4:00000000 [ 1337.465756][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.465805][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.465857][ T32] 9d20: b90f1000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.465909][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.465958][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.465996][ T32] r5:80070013 r4:80239bb0 [ 1337.466054][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.466104][ T32] r4:82ac11a4 [ 1337.466123][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.466170][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.466222][ T32] r4:e47b9dc0 [ 1337.466260][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.466316][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.466340][ T32] r4:00000000 [ 1337.466359][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.466403][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.466424][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.466464][ T32] r5:00001000 r4:ece91000 [ 1337.466514][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.466559][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.466601][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.466621][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.466665][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.466686][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.466751][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.466776][ T32] r4:8454d780 [ 1337.466805][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.466851][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.466894][ T32] r4:00000001 [ 1337.466916][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.466953][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.466979][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.467006][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.467042][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.467099][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.467125][ T32] r4:84e5a340 [ 1337.467146][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.467171][ T32] INFO: task kworker/1:610:5090 blocked for more than 463 seconds. [ 1337.467213][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.467238][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.467258][ T32] task:kworker/1:610 state:D stack:0 pid:5090 tgid:5090 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.467312][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.467377][ T32] Call trace: [ 1337.467428][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.467481][ T32] r10:8291880c r9:eb6e1d84 r8:00000002 r7:60000113 r6:eb6e1d8c r5:85535400 [ 1337.467503][ T32] r4:85535400 [ 1337.467523][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.467573][ T32] r5:85535400 r4:82918808 [ 1337.467595][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.467631][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.467695][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6e1e08 [ 1337.467721][ T32] r4:00000000 [ 1337.467740][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.467775][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.467825][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.467871][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85574640 [ 1337.467902][ T32] r4:00000000 [ 1337.467924][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.468028][ T32] r9:83018205 r8:85535400 r7:00000000 r6:83018200 r5:00001000 r4:7f03f000 [ 1337.468057][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.468099][ T32] r5:00001000 r4:eac1f000 [ 1337.468118][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.468176][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.468220][ T32] r5:855a438c r4:855a4000 [ 1337.468261][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.468316][ T32] r7:ddde2d80 r6:83018200 r5:855a438c r4:854f5880 [ 1337.468338][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.468383][ T32] r10:61c88647 r9:85535400 r8:854f58ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.468405][ T32] r4:854f5880 [ 1337.468424][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.468477][ T32] r10:00000000 r9:854f5880 r8:8027f5e8 r7:eb6d9e60 r6:854f5900 r5:85535400 [ 1337.468503][ T32] r4:00000001 [ 1337.468522][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.468580][ T32] Exception stack(0xeb6e1fb0 to 0xeb6e1ff8) [ 1337.468610][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.468639][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.468665][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.468693][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.468714][ T32] r4:85574600 [ 1337.469063][ T32] INFO: task kworker/1:610:5090 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.469104][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.469187][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.469232][ T32] Call trace: [ 1337.469288][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.469342][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.469365][ T32] r4:00000000 [ 1337.469384][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.469452][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.469499][ T32] 9d20: b90f1000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.469558][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.469586][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.469624][ T32] r5:80070013 r4:80239bb0 [ 1337.469650][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.469695][ T32] r4:82ac11a4 [ 1337.469714][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.491401][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.491534][ T32] r4:e47b9dc0 [ 1337.491573][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1337.491921][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.492044][ T32] r5:00001000 r4:ece91000 [ 1337.492085][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.492130][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.492173][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.492193][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.492239][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.492259][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.492316][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.492341][ T32] r4:8454d780 [ 1337.492361][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.492480][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.492508][ T32] r4:00000001 [ 1337.492529][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.492567][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.492673][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.492859][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.492889][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.492963][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.493068][ T32] r4:84e5a340 [ 1337.493097][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.493170][ T32] INFO: task kworker/1:611:5093 blocked for more than 463 seconds. [ 1337.493212][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.493237][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.493273][ T32] task:kworker/1:611 state:D stack:0 pid:5093 tgid:5093 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.493344][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.493613][ T32] Call trace: [ 1337.493717][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.493771][ T32] r10:8291880c r9:eb6e5d84 r8:00000002 r7:60000013 r6:eb6e5d8c r5:85536000 [ 1337.493823][ T32] r4:85536000 [ 1337.493859][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.493959][ T32] r5:85536000 r4:82918808 [ 1337.494036][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.494079][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.494177][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6e5e08 [ 1337.494262][ T32] r4:00000000 [ 1337.494286][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.494443][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.494506][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.494591][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855747c0 [ 1337.494633][ T32] r4:00000000 [ 1337.494739][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.494788][ T32] r9:83018205 r8:85536000 r7:00000000 r6:83018200 r5:00001000 r4:7f041000 [ 1337.494809][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.494849][ T32] r5:00001000 r4:eac8d000 [ 1337.494895][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.494968][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1337.495092][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1337.495231][ T32] r4:854f5800 ** 3 printk messages dropped ** [ 1337.495385][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 2 printk messages dropped ** [ 1337.495548][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1337.496209][ T32] INFO: task kworker/1:611:5093 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 2 printk messages dropped ** [ 1337.496413][ T32] Call trace: ** 1 printk messages dropped ** [ 1337.496494][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 2 printk messages dropped ** [ 1337.496908][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 3 printk messages dropped ** [ 1337.497018][ T32] r5:80070013 r4:80239bb0 ** 3 printk messages dropped ** [ 1337.497154][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 10 printk messages dropped ** [ 1337.497670][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1337.498368][ T32] r4:8454d780 ** 6 printk messages dropped ** [ 1337.498873][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1337.499488][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1337.530591][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1337.531085][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.531138][ T32] r5:00001000 r4:ead19000 ** 1 printk messages dropped ** [ 1337.531232][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.531288][ T32] r5:855a4b8c r4:855a4800 [ 1337.531345][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.531455][ T32] r7:ddde2d80 r6:83018200 r5:855a4b8c r4:854f5a00 [ 1337.531511][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.531564][ T32] r10:61c88647 r9:85536c00 r8:854f5a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.531588][ T32] r4:854f5a00 [ 1337.531609][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.531657][ T32] r10:00000000 r9:854f5a00 r8:8027f5e8 r7:eb6e5e60 r6:854f5a80 r5:85536c00 [ 1337.531681][ T32] r4:00000001 [ 1337.531702][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.531740][ T32] Exception stack(0xeb6e9fb0 to 0xeb6e9ff8) [ 1337.531798][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.531859][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.531891][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.531922][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.531972][ T32] r4:85574500 [ 1337.532505][ T32] INFO: task kworker/1:612:5094 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.532542][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.532640][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.532690][ T32] Call trace: [ 1337.532760][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.532839][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.532867][ T32] r4:00000000 [ 1337.532887][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.532984][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.533017][ T32] 9d20: b99a0000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.533049][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.533104][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.533160][ T32] r5:80070013 r4:80239bb0 [ 1337.533185][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.533234][ T32] r4:82ac11a4 [ 1337.533254][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.533324][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.533407][ T32] r4:e47b9dc0 [ 1337.533432][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.533483][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.533506][ T32] r4:00000000 [ 1337.533527][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 1 printk messages dropped ** [ 1337.533594][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1337.533905][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 1 printk messages dropped ** [ 1337.533947][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 5 printk messages dropped ** [ 1337.534174][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1337.534406][ T32] INFO: task kworker/1:613:5097 blocked for more than 464 seconds. ** 3 printk messages dropped ** [ 1337.534678][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1337.534801][ T32] r10:8291880c r9:eb6f1d84 r8:00000002 r7:60000013 r6:eb6f1d8c r5:85538000 ** 3 printk messages dropped ** [ 1337.534956][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1337.535456][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.535529][ T32] r5:00001000 r4:eae53000 [ 1337.535552][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.535591][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.535633][ T32] r5:855a538c r4:855a5000 [ 1337.535652][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.535724][ T32] r7:ddde2d80 r6:83018200 r5:855a538c r4:854f5b00 [ 1337.535749][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.535795][ T32] r10:61c88647 r9:85538000 r8:854f5b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.535816][ T32] r4:854f5b00 [ 1337.535835][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.535905][ T32] r10:00000000 r9:854f5b00 r8:8027f5e8 r7:eb6e9e60 r6:854f5b80 r5:85538000 [ 1337.535959][ T32] r4:00000001 [ 1337.535982][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.536019][ T32] Exception stack(0xeb6f1fb0 to 0xeb6f1ff8) [ 1337.536077][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.536109][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.536189][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.536277][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.536311][ T32] r4:85574740 [ 1337.536711][ T32] INFO: task kworker/1:613:5097 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.536748][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.536836][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.536880][ T32] Call trace: [ 1337.536937][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.536987][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.537026][ T32] r4:00000000 [ 1337.537060][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.537098][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.537124][ T32] 9d20: b99a0000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.537152][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.537208][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.537249][ T32] r5:80070013 r4:80239bb0 [ 1337.537277][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.537360][ T32] r4:82ac11a4 [ 1337.537385][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.537434][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.537457][ T32] r4:e47b9dc0 [ 1337.537528][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.537580][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.537603][ T32] r4:00000000 [ 1337.537623][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.537710][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.537766][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.537844][ T32] r5:00001000 r4:ece91000 [ 1337.537867][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1337.538275][ T32] r4:8454d780 ** 7 printk messages dropped ** [ 1337.538557][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1337.539222][ T32] r10:8291880c r9:eb6ddd84 r8:00000002 r7:60000113 r6:eb6ddd8c r5:85538c00 ** 6 printk messages dropped ** [ 1337.539588][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1337.563253][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1337.563550][ T32] r5:00001000 r4:ead5f000 [ 1337.563578][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1337.563667][ T32] r5:855a4f8c r4:855a4c00 ** 3 printk messages dropped ** [ 1337.564020][ T32] r10:61c88647 r9:85538c00 r8:854f5c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1337.564803][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1337.565811][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 6 printk messages dropped ** [ 1337.566010][ T32] r5:80070013 r4:80239bb0 [ 1337.566082][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.566131][ T32] r4:82ac11a4 [ 1337.566169][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.566273][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.566309][ T32] r4:e47b9dc0 [ 1337.566331][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.566377][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.566430][ T32] r4:00000000 [ 1337.566454][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.566501][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.566552][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.566624][ T32] r5:00001000 r4:ece91000 [ 1337.566649][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.566716][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.566790][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.566841][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.566892][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.566913][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.566958][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.567009][ T32] r4:8454d780 [ 1337.567033][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.567106][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.567132][ T32] r4:00000001 [ 1337.567151][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.567189][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.567262][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.567301][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.567329][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.567358][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.567414][ T32] r4:84e5a340 [ 1337.567439][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.567469][ T32] INFO: task kworker/1:615:5101 blocked for more than 464 seconds. [ 1337.567525][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.567555][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.567577][ T32] task:kworker/1:615 state:D stack:0 pid:5101 tgid:5101 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.567650][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.567851][ T32] Call trace: [ 1337.568020][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.568074][ T32] r10:8291880c r9:eb6f5d84 r8:00000002 r7:60000013 r6:eb6f5d8c r5:85539800 [ 1337.568099][ T32] r4:85539800 [ 1337.568178][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.568240][ T32] r5:85539800 r4:82918808 [ 1337.568263][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.568307][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.568488][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6f5e08 [ 1337.568515][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1337.568647][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85574dc0 ** 4 printk messages dropped ** [ 1337.569199][ T32] r5:00001000 r4:eaea5000 ** 10 printk messages dropped ** [ 1337.569678][ T32] r4:00000001 ** 8 printk messages dropped ** [ 1337.595276][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 1 printk messages dropped ** [ 1337.595803][ T32] Call trace: [ 1337.595953][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.596016][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.596042][ T32] r4:00000000 [ 1337.596155][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.596203][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.596237][ T32] 9d20: b9fb9000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.596272][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.596309][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.596336][ T32] r5:80070013 r4:80239bb0 [ 1337.596357][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.596716][ T32] r4:82ac11a4 [ 1337.596745][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.596804][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.596999][ T32] r4:e47b9dc0 [ 1337.597027][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.597210][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.597406][ T32] r4:00000000 [ 1337.597433][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.597511][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.597707][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.597815][ T32] r5:00001000 r4:ece91000 [ 1337.597839][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.597880][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.597923][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.597943][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.597989][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.598010][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.598058][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.598080][ T32] r4:8454d780 [ 1337.598099][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.598141][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.598163][ T32] r4:00000001 [ 1337.598296][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.598422][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.598456][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.598486][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.598512][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.598616][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.598718][ T32] r4:84e5a340 [ 1337.598744][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.598819][ T32] INFO: task kworker/1:616:5102 blocked for more than 464 seconds. [ 1337.598920][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.598949][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 4 printk messages dropped ** [ 1337.599386][ T32] r10:8291880c r9:eb6f9d84 r8:00000002 r7:60000013 r6:eb6f9d8c r5:8553a400 ** 8 printk messages dropped ** [ 1337.610547][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1337.610889][ T32] r5:00001000 r4:eb10b000 [ 1337.610938][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1337.611051][ T32] r5:855a5b8c r4:855a5800 ** 3 printk messages dropped ** [ 1337.611194][ T32] r10:61c88647 r9:8553a400 r8:854f5e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1337.611616][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1337.612366][ T32] INFO: task kworker/1:616:5102 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.612408][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.612485][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.612534][ T32] Call trace: [ 1337.612753][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.612808][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.612833][ T32] r4:00000000 [ 1337.612852][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.612889][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.612917][ T32] 9d20: b9fb9000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.612946][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.613032][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.613221][ T32] r5:80070013 r4:80239bb0 [ 1337.613322][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.613372][ T32] r4:82ac11a4 [ 1337.613393][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.613517][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.613545][ T32] r4:e47b9dc0 [ 1337.613565][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.613610][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.613633][ T32] r4:00000000 [ 1337.613653][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.613696][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.613744][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.613830][ T32] r5:00001000 r4:ece91000 [ 1337.613854][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.613894][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.613963][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.613987][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.614034][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 1 printk messages dropped ** [ 1337.614127][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1337.614436][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 2 printk messages dropped ** [ 1337.614518][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1337.615128][ T32] r10:8291880c r9:eb701d84 r8:00000002 r7:60000013 r6:eb701d8c r5:8553c800 ** 8 printk messages dropped ** [ 1337.615487][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.615528][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.615573][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854aeb40 [ 1337.615595][ T32] r4:00000000 [ 1337.615615][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.615659][ T32] r9:83018205 r8:8553c800 r7:00000000 r6:83018200 r5:00001000 r4:7f04d000 [ 1337.615707][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.615807][ T32] r5:00001000 r4:eb16f000 [ 1337.615832][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.615898][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.615961][ T32] r5:855a5f8c r4:855a5c00 [ 1337.616011][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.616059][ T32] r7:ddde2d80 r6:83018200 r5:855a5f8c r4:854f5f00 [ 1337.616108][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.616186][ T32] r10:61c88647 r9:8553c800 r8:854f5f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.616233][ T32] r4:854f5f00 [ 1337.616255][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.616308][ T32] r10:00000000 r9:854f5f00 r8:8027f5e8 r7:eb6f9e60 r6:854f5f80 r5:8553c800 [ 1337.616393][ T32] r4:00000001 [ 1337.616445][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.616512][ T32] Exception stack(0xeb701fb0 to 0xeb701ff8) [ 1337.616542][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.616571][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.616623][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.616668][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.616702][ T32] r4:85574e00 [ 1337.617045][ T32] INFO: task kworker/1:617:5104 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.617078][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.617228][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.617277][ T32] Call trace: [ 1337.617315][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.617363][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.617387][ T32] r4:00000000 [ 1337.617405][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.617517][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.617624][ T32] 9d20: b9fb9000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.617657][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.617683][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.617707][ T32] r5:80070013 r4:80239bb0 [ 1337.617728][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.617774][ T32] r4:82ac11a4 [ 1337.617794][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.617841][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.617939][ T32] r4:e47b9dc0 [ 1337.617962][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.618052][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.618078][ T32] r4:00000000 [ 1337.618098][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.618144][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.618165][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.618255][ T32] r5:00001000 r4:ece91000 [ 1337.618278][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.618327][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.618397][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.618423][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.618470][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.618490][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.618534][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.618557][ T32] r4:8454d780 [ 1337.618603][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.618679][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.618705][ T32] r4:00000001 [ 1337.618725][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.618761][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.618815][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.618854][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.618882][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.618910][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.618931][ T32] r4:84e5a340 [ 1337.618982][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 1 printk messages dropped ** [ 1337.619117][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1337.619621][ T32] r4:8553d400 ** 3 printk messages dropped ** [ 1337.646824][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1337.647413][ T32] r5:00001000 r4:eb1e9000 [ 1337.647438][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.647479][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1337.647544][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1337.647934][ T32] Exception stack(0xeb705fb0 to 0xeb705ff8) ** 3 printk messages dropped ** [ 1337.648204][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1337.649151][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1337.649389][ T32] r5:80070013 r4:80239bb0 ** 4 printk messages dropped ** [ 1337.649629][ T32] r4:e47b9dc0 ** 7 printk messages dropped ** [ 1337.663424][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1337.664016][ T32] r4:8454d780 ** 7 printk messages dropped ** [ 1337.664706][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1337.665299][ T32] task:kworker/1:619 state:D stack:0 pid:5109 tgid:5109 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1337.665523][ T32] r10:8291880c r9:eb70dd84 r8:00000002 r7:60000113 r6:eb70dd8c r5:8553b000 [ 1337.665545][ T32] r4:8553b000 [ 1337.665567][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.665610][ T32] r5:8553b000 r4:82918808 [ 1337.665652][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.665750][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.665798][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb70de08 [ 1337.665824][ T32] r4:00000000 [ 1337.665844][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.665878][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.665917][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.665961][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85587dc0 [ 1337.665983][ T32] r4:00000000 [ 1337.666002][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.666077][ T32] r9:83018205 r8:8553b000 r7:00000000 r6:83018200 r5:00001000 r4:7f05d000 [ 1337.666128][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.666173][ T32] r5:00001000 r4:eb3d3000 [ 1337.666217][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.666295][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.666400][ T32] r5:855a6b8c r4:855a6800 [ 1337.666451][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.666502][ T32] r7:ddde2d80 r6:83018200 r5:855a6b8c r4:85588100 [ 1337.666524][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.666570][ T32] r10:61c88647 r9:8553b000 r8:8558812c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.666593][ T32] r4:85588100 [ 1337.666639][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.666713][ T32] r10:00000000 r9:85588100 r8:8027f5e8 r7:eb705e60 r6:85588180 r5:8553b000 [ 1337.666739][ T32] r4:00000001 [ 1337.666759][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.666795][ T32] Exception stack(0xeb70dfb0 to 0xeb70dff8) [ 1337.666822][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.666874][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.666905][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.666935][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.666958][ T32] r4:85587240 [ 1337.667504][ T32] INFO: task kworker/1:619:5109 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.667564][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1337.667817][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.667840][ T32] r4:00000000 [ 1337.667860][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.667898][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.667926][ T32] 9d20: ba58c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.667954][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.668006][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.668030][ T32] r5:80070013 r4:80239bb0 [ 1337.668117][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.668168][ T32] r4:82ac11a4 [ 1337.668188][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.668235][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.668258][ T32] r4:e47b9dc0 [ 1337.668278][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.668329][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.668410][ T32] r4:00000000 [ 1337.668434][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.668509][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.668534][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.668578][ T32] r5:00001000 r4:ece91000 [ 1337.668597][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.668654][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.668699][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.668778][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.668830][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.668851][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.668898][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.668921][ T32] r4:8454d780 [ 1337.668967][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.669073][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.669138][ T32] r4:00000001 [ 1337.669160][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.669381][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.669414][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.669446][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.669472][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.669501][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.669524][ T32] r4:84e5a340 [ 1337.669545][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.669636][ T32] INFO: task kworker/0:370:5111 blocked for more than 464 seconds. [ 1337.669969][ T32] Not tainted 6.15.0-syzkaller #0 ** 1 printk messages dropped ** [ 1337.694654][ T32] task:kworker/0:370 state:D stack:0 pid:5111 tgid:5111 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1337.695322][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb715e08 ** 7 printk messages dropped ** [ 1337.695661][ T32] r9:83018005 r8:8553bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f0b1000 ** 1 printk messages dropped ** [ 1337.695726][ T32] r5:00001000 r4:eb887000 [ 1337.695802][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1337.695958][ T32] r7:dddced80 r6:83018000 r5:854e1f8c r4:854ac480 ** 9 printk messages dropped ** [ 1337.696308][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1337.697151][ T32] Call trace: ** 6 printk messages dropped ** [ 1337.697447][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 7 printk messages dropped ** [ 1337.697943][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1337.698266][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1337.698762][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1337.698919][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1337.699273][ T32] Call trace: ** 2 printk messages dropped ** [ 1337.699385][ T32] r4:85540000 [ 1337.699404][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.699445][ T32] r5:85540000 r4:82918808 [ 1337.699465][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.699508][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.699622][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb71de08 [ 1337.699650][ T32] r4:00000000 [ 1337.699670][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.699706][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.708932][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.709086][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85578c00 [ 1337.709135][ T32] r4:00000000 [ 1337.709221][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.709279][ T32] r9:83018005 r8:85540000 r7:00000000 r6:83018000 r5:00001000 r4:7f057000 [ 1337.709309][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.709355][ T32] r5:00001000 r4:eb299000 [ 1337.709376][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.709442][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.709519][ T32] r5:854e0b8c r4:854e0800 [ 1337.709543][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.709656][ T32] r7:dddced80 r6:83018000 r5:854e0b8c r4:854ac500 [ 1337.709704][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.709823][ T32] r10:61c88647 r9:85540000 r8:854ac52c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1337.710243][ T32] r4:854ac500 [ 1337.710279][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.710348][ T32] r10:00000000 r9:854ac500 r8:8027f5e8 r7:eb715e60 r6:85588280 r5:85540000 [ 1337.710371][ T32] r4:00000001 [ 1337.710391][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.710428][ T32] Exception stack(0xeb71dfb0 to 0xeb71dff8) [ 1337.710473][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.710506][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.710548][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.710594][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.710620][ T32] r4:85578780 [ 1337.711142][ T32] INFO: task kworker/0:371:5112 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.711201][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.711278][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.711347][ T32] Call trace: [ 1337.711410][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.711492][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.711525][ T32] r4:00000000 [ 1337.711573][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.711617][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.711674][ T32] 9d20: ba83d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.711720][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.711750][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.711794][ T32] r5:80070013 r4:80239bb0 [ 1337.711817][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.711864][ T32] r4:82ac11a4 [ 1337.711905][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.711955][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.711978][ T32] r4:e47b9dc0 [ 1337.711998][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.712079][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.712105][ T32] r4:00000000 [ 1337.712153][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.712203][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.712225][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.712266][ T32] r5:00001000 r4:ece91000 [ 1337.712285][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1337.712390][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1337.712545][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1337.712683][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1337.713008][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1337.713301][ T32] r4:85540c00 ** 4 printk messages dropped ** [ 1337.713498][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb721e08 ** 9 printk messages dropped ** [ 1337.713881][ T32] r5:00001000 r4:eb3ba000 [ 1337.713902][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1337.714038][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 7 printk messages dropped ** [ 1337.714429][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1337.715006][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.715217][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.715270][ T32] Call trace: [ 1337.715308][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.715356][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.715392][ T32] r4:00000000 [ 1337.715550][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.715596][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.715625][ T32] 9d20: ba83d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.715654][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.715706][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.715753][ T32] r5:80070013 r4:80239bb0 [ 1337.715803][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.715852][ T32] r4:82ac11a4 [ 1337.715887][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.715965][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.715992][ T32] r4:e47b9dc0 [ 1337.716012][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.716057][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.716135][ T32] r4:00000000 [ 1337.716187][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.716235][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.716269][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.716325][ T32] r5:00001000 r4:ece91000 [ 1337.716372][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.716415][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.716456][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.716475][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.716539][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.716563][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.716608][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.716631][ T32] r4:8454d780 [ 1337.716678][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.716725][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.716748][ T32] r4:00000001 [ 1337.716820][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.716859][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.716885][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.716913][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.716942][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.716997][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.717050][ T32] r4:84e5a340 [ 1337.717074][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.717103][ T32] INFO: task kworker/0:372:5115 blocked for more than 464 seconds. [ 1337.717132][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.717155][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.717175][ T32] task:kworker/0:372 state:D stack:0 pid:5115 tgid:5115 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.717220][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.717287][ T32] Call trace: [ 1337.717329][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 1 printk messages dropped ** [ 1337.717400][ T32] r4:85542400 ** 7 printk messages dropped ** [ 1337.717735][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1337.718146][ T32] r5:00001000 r4:eb383000 [ 1337.718170][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.718260][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.718308][ T32] r5:854e0f8c r4:854e0c00 ** 1 printk messages dropped ** [ 1337.718427][ T32] r7:dddced80 r6:83018000 r5:854e0f8c r4:854ac580 ** 7 printk messages dropped ** [ 1337.718760][ T32] Exception stack(0xeb729fb0 to 0xeb729ff8) ** 6 printk messages dropped ** [ 1337.719338][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 13 printk messages dropped ** [ 1337.746525][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.746579][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.746620][ T32] r4:e47b9dc0 [ 1337.746671][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.746720][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.746756][ T32] r4:00000000 [ 1337.746780][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.746855][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.746910][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.746960][ T32] r5:00001000 r4:ece91000 [ 1337.746980][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.747018][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.747064][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.747084][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.747129][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.747176][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.747226][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.747249][ T32] r4:8454d780 [ 1337.747270][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.747318][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.747397][ T32] r4:00000001 [ 1337.747422][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.747458][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.747484][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.747513][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.747538][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.747567][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.747588][ T32] r4:84e5a340 [ 1337.747639][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.747673][ T32] INFO: task kworker/0:373:5117 blocked for more than 464 seconds. [ 1337.747708][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.747761][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.747816][ T32] task:kworker/0:373 state:D stack:0 pid:5117 tgid:5117 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.747881][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.748011][ T32] Call trace: [ 1337.748087][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.748140][ T32] r10:8291880c r9:eb731d84 r8:00000002 r7:60000113 r6:eb731d8c r5:85543c00 [ 1337.748216][ T32] r4:85543c00 [ 1337.748270][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.748320][ T32] r5:85543c00 r4:82918808 [ 1337.748340][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.748404][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.748451][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb731e08 [ 1337.748473][ T32] r4:00000000 [ 1337.748498][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.748536][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.748572][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.748619][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559b900 [ 1337.748642][ T32] r4:00000000 [ 1337.748662][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.748706][ T32] r9:83018005 r8:85543c00 r7:00000000 r6:83018000 r5:00001000 r4:7f077000 [ 1337.748726][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.748765][ T32] r5:00001000 r4:eb453000 [ 1337.748815][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.748886][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.748959][ T32] r5:854e178c r4:854e1400 [ 1337.748983][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.749079][ T32] r7:dddced80 r6:83018000 r5:854e178c r4:854ac600 [ 1337.749108][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.749155][ T32] r10:61c88647 r9:85543c00 r8:854ac62c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1337.749184][ T32] r4:854ac600 [ 1337.749261][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.749314][ T32] r10:00000000 r9:854ac600 r8:8027f5e8 r7:eb715e60 r6:85588480 r5:85543c00 [ 1337.749338][ T32] r4:00000001 [ 1337.749356][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.749410][ T32] Exception stack(0xeb731fb0 to 0xeb731ff8) [ 1337.749493][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.749530][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.749559][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.749618][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.749645][ T32] r4:85578bc0 [ 1337.764744][ T32] INFO: task kworker/0:373:5117 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 2 printk messages dropped ** [ 1337.765134][ T32] Call trace: ** 4 printk messages dropped ** [ 1337.765321][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 1 printk messages dropped ** [ 1337.765381][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 5 printk messages dropped ** [ 1337.765792][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 5 printk messages dropped ** [ 1337.766175][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 3 printk messages dropped ** [ 1337.766429][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1337.766796][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1337.766966][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 5 printk messages dropped ** [ 1337.767439][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.767467][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.767489][ T32] r4:84e5a340 [ 1337.767527][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.767667][ T32] INFO: task kworker/1:621:5121 blocked for more than 464 seconds. [ 1337.767706][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.767763][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.767790][ T32] task:kworker/1:621 state:D stack:0 pid:5121 tgid:5121 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.767988][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.768037][ T32] Call trace: [ 1337.768133][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.768276][ T32] r10:8291880c r9:eb72dd84 r8:00000002 r7:60000113 r6:eb72dd8c r5:85541800 [ 1337.768308][ T32] r4:85541800 [ 1337.768330][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.768370][ T32] r5:85541800 r4:82918808 [ 1337.768480][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.768582][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.768630][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb72de08 [ 1337.768682][ T32] r4:00000000 [ 1337.768706][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.768787][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.768828][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.768871][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85587f00 [ 1337.768893][ T32] r4:00000000 [ 1337.768913][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.768957][ T32] r9:83018205 r8:85541800 r7:00000000 r6:83018200 r5:00001000 r4:7f05f000 [ 1337.768979][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.769063][ T32] r5:00001000 r4:eb3e9000 [ 1337.769452][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.769519][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.769562][ T32] r5:855a6f8c r4:855a6c00 [ 1337.769583][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.769627][ T32] r7:ddde2d80 r6:83018200 r5:855a6f8c r4:85588500 [ 1337.769651][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.769695][ T32] r10:61c88647 r9:85541800 r8:8558852c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.769800][ T32] r4:85588500 [ 1337.780646][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.780759][ T32] r10:00000000 r9:85588500 r8:8027f5e8 r7:eb70de60 r6:85588580 r5:85541800 [ 1337.780792][ T32] r4:00000001 [ 1337.780814][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.780882][ T32] Exception stack(0xeb72dfb0 to 0xeb72dff8) [ 1337.780925][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.780953][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.780980][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.781036][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.781070][ T32] r4:85587bc0 [ 1337.781593][ T32] INFO: task kworker/1:621:5121 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.781631][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.781705][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.781791][ T32] Call trace: [ 1337.781863][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.781917][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 2 printk messages dropped ** [ 1337.782075][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 5 printk messages dropped ** [ 1337.782387][ T32] r4:82ac11a4 ** 1 printk messages dropped ** [ 1337.782522][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 5 printk messages dropped ** [ 1337.782767][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 3 printk messages dropped ** [ 1337.782923][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1337.783199][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1337.783313][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1337.783454][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1337.783873][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1337.784224][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1337.784607][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.784677][ T32] r5:00001000 r4:eb565000 ** 2 printk messages dropped ** [ 1337.784780][ T32] r5:855a7b8c r4:855a7800 ** 3 printk messages dropped ** [ 1337.784920][ T32] r10:61c88647 r9:85544800 r8:8558862c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 11 printk messages dropped ** [ 1337.785650][ T32] INFO: task kworker/1:622:5123 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.785686][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.785873][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.785999][ T32] Call trace: [ 1337.786031][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.786081][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.786104][ T32] r4:00000000 [ 1337.786123][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.786174][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.786244][ T32] 9d20: bae83000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.786276][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.786508][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.786539][ T32] r5:80070013 r4:80239bb0 [ 1337.786561][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.786652][ T32] r4:82ac11a4 [ 1337.786704][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.786781][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.786807][ T32] r4:e47b9dc0 [ 1337.786829][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.786925][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.786966][ T32] r4:00000000 [ 1337.786990][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.787037][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.787065][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.787107][ T32] r5:00001000 r4:ece91000 [ 1337.787127][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.787199][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.787283][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.787315][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.787365][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.787390][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.787475][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.787530][ T32] r4:8454d780 [ 1337.787582][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.787687][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.787713][ T32] r4:00000001 [ 1337.787733][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.787769][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.787796][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.787826][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.787852][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.787893][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.787946][ T32] r4:84e5a340 [ 1337.787993][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.788021][ T32] INFO: task kworker/1:623:5125 blocked for more than 464 seconds. [ 1337.788081][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.788109][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.788131][ T32] task:kworker/1:623 state:D stack:0 pid:5125 tgid:5125 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.788207][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.788280][ T32] Call trace: [ 1337.788318][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.788367][ T32] r10:8291880c r9:eb735d84 r8:00000002 r7:60000013 r6:eb735d8c r5:85545400 [ 1337.788419][ T32] r4:85545400 [ 1337.788469][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.788513][ T32] r5:85545400 r4:82918808 [ 1337.788562][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.788601][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.788647][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb735e08 [ 1337.788698][ T32] r4:00000000 [ 1337.788721][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.788756][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.788792][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.788834][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85587880 [ 1337.788856][ T32] r4:00000000 [ 1337.789137][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.789201][ T32] r9:83018205 r8:85545400 r7:00000000 r6:83018200 r5:00001000 r4:7f061000 [ 1337.789226][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.789322][ T32] r5:00001000 r4:eb403000 [ 1337.789526][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.789575][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.789643][ T32] r5:855a738c r4:855a7000 [ 1337.789666][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.789710][ T32] r7:ddde2d80 r6:83018200 r5:855a738c r4:85588700 [ 1337.789791][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.812316][ T32] r10:61c88647 r9:85545400 r8:8558872c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.812367][ T32] r4:85588700 [ 1337.812419][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.812496][ T32] r10:00000000 r9:85588700 r8:8027f5e8 r7:eb709e60 r6:85588780 r5:85545400 [ 1337.812549][ T32] r4:00000001 [ 1337.812575][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.812643][ T32] Exception stack(0xeb735fb0 to 0xeb735ff8) [ 1337.812677][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.812735][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.812825][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.812895][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.812945][ T32] r4:85587ec0 [ 1337.813544][ T32] INFO: task kworker/1:623:5125 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.813594][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.813759][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.813850][ T32] Call trace: [ 1337.813912][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.813977][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.814003][ T32] r4:00000000 [ 1337.814055][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.814131][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.814231][ T32] 9d20: bb1c7000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.814281][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.814315][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.814342][ T32] r5:80070013 r4:80239bb0 [ 1337.814391][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.814446][ T32] r4:82ac11a4 [ 1337.814496][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.814574][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.814598][ T32] r4:e47b9dc0 [ 1337.814620][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.814692][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.814719][ T32] r4:00000000 [ 1337.814740][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.814786][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.814865][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.814968][ T32] r5:00001000 r4:ece91000 [ 1337.814992][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.815055][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.815131][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.815184][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.815237][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.815258][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.815309][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.815332][ T32] r4:8454d780 [ 1337.815352][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.815423][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.815450][ T32] r4:00000001 [ 1337.815469][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.815505][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.815562][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.815622][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.815652][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.815702][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.815728][ T32] r4:84e5a340 [ 1337.815750][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.815780][ T32] INFO: task kworker/1:624:5127 blocked for more than 464 seconds. [ 1337.815816][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.815842][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.815896][ T32] task:kworker/1:624 state:D stack:0 pid:5127 tgid:5127 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.815957][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.815999][ T32] Call trace: [ 1337.816029][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.816077][ T32] r10:8291880c r9:eb739d84 r8:00000002 r7:60000013 r6:eb739d8c r5:85546000 [ 1337.816099][ T32] r4:85546000 [ 1337.816119][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.816159][ T32] r5:85546000 r4:82918808 [ 1337.816206][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.816250][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.816303][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb739e08 [ 1337.816328][ T32] r4:00000000 [ 1337.816347][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.816383][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.816419][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.816460][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85587240 [ 1337.816510][ T32] r4:00000000 [ 1337.816562][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.816610][ T32] r9:83018205 r8:85546000 r7:00000000 r6:83018200 r5:00001000 r4:7f09b000 [ 1337.816659][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.816703][ T32] r5:00001000 r4:eb413000 [ 1337.816724][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.816762][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.816803][ T32] r5:855a778c r4:855a7400 [ 1337.816851][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.816906][ T32] r7:ddde2d80 r6:83018200 r5:855a778c r4:85588800 [ 1337.816929][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.816981][ T32] r10:61c88647 r9:85546000 r8:8558882c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.817003][ T32] r4:85588800 [ 1337.817024][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.817070][ T32] r10:00000000 r9:85588800 r8:8027f5e8 r7:eb709e60 r6:85588880 r5:85546000 [ 1337.817092][ T32] r4:00000001 [ 1337.817111][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.817178][ T32] Exception stack(0xeb739fb0 to 0xeb739ff8) [ 1337.817235][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.817269][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.817332][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.817363][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.817414][ T32] r4:85574fc0 [ 1337.817770][ T32] INFO: task kworker/1:624:5127 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.817832][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.817927][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.817974][ T32] Call trace: [ 1337.818003][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.818053][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.818075][ T32] r4:00000000 [ 1337.818124][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.818165][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.818235][ T32] 9d20: bb1c7000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.818277][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.818309][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.818334][ T32] r5:80070013 r4:80239bb0 [ 1337.818356][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.818431][ T32] r4:82ac11a4 [ 1337.818457][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.818516][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.818569][ T32] r4:e47b9dc0 [ 1337.818593][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.818637][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.818659][ T32] r4:00000000 [ 1337.818678][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.818752][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.818778][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.818820][ T32] r5:00001000 r4:ece91000 [ 1337.818842][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.818879][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.818948][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.818971][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.819067][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.819102][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.819150][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.819200][ T32] r4:8454d780 [ 1337.819224][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.819299][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.819342][ T32] r4:00000001 [ 1337.819395][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.819441][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.819469][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.819498][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.819524][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.819569][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.819595][ T32] r4:84e5a340 [ 1337.819656][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.819774][ T32] INFO: task kworker/1:625:5129 blocked for more than 464 seconds. [ 1337.841360][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.841448][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.841480][ T32] task:kworker/1:625 state:D stack:0 pid:5129 tgid:5129 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.841585][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.841654][ T32] Call trace: [ 1337.841710][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.841813][ T32] r10:8291880c r9:eb73dd84 r8:00000002 r7:60000113 r6:eb73dd8c r5:85546c00 [ 1337.841841][ T32] r4:85546c00 [ 1337.841863][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.841904][ T32] r5:85546c00 r4:82918808 [ 1337.841951][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.842022][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.842112][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb73de08 [ 1337.842162][ T32] r4:00000000 [ 1337.842274][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.842330][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.842375][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.842419][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85583100 [ 1337.842443][ T32] r4:00000000 [ 1337.842491][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.842546][ T32] r9:83018205 r8:85546c00 r7:00000000 r6:83018200 r5:00001000 r4:7f09f000 [ 1337.842611][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.842661][ T32] r5:00001000 r4:eb599000 [ 1337.842683][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.842750][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.842827][ T32] r5:855a7f8c r4:855a7c00 [ 1337.842852][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.842900][ T32] r7:ddde2d80 r6:83018200 r5:855a7f8c r4:85588900 [ 1337.842922][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.842967][ T32] r10:61c88647 r9:85546c00 r8:8558892c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.842988][ T32] r4:85588900 [ 1337.843008][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.843061][ T32] r10:00000000 r9:85588900 r8:8027f5e8 r7:eb709e60 r6:85588980 r5:85546c00 [ 1337.843084][ T32] r4:00000001 [ 1337.843104][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.843140][ T32] Exception stack(0xeb73dfb0 to 0xeb73dff8) [ 1337.843197][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.843258][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.843293][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.843324][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.843348][ T32] r4:85583040 [ 1337.843886][ T32] INFO: task kworker/1:625:5129 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.843930][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.844077][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.844131][ T32] Call trace: [ 1337.844163][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.844212][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.844236][ T32] r4:00000000 [ 1337.844284][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.844333][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.844391][ T32] 9d20: bb5a4000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.844444][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.844502][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.844558][ T32] r5:80070013 r4:80239bb0 [ 1337.844581][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.844628][ T32] r4:82ac11a4 [ 1337.844648][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.844694][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.844716][ T32] r4:e47b9dc0 [ 1337.844737][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.844779][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.844833][ T32] r4:00000000 [ 1337.844899][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.844947][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.844998][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.845051][ T32] r5:00001000 r4:ece91000 [ 1337.845072][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.845134][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.845211][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.845262][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.845347][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.845391][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.845464][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.845533][ T32] r4:8454d780 [ 1337.845557][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.845629][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.845655][ T32] r4:00000001 [ 1337.845728][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.845768][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.845795][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.845912][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.845954][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.845985][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.846007][ T32] r4:84e5a340 [ 1337.846086][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.846163][ T32] INFO: task kworker/1:626:5131 blocked for more than 464 seconds. [ 1337.846268][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.846309][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.846334][ T32] task:kworker/1:626 state:D stack:0 pid:5131 tgid:5131 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.846407][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.846452][ T32] Call trace: [ 1337.846511][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.846563][ T32] r10:8291880c r9:eb741d84 r8:00000002 r7:60000013 r6:eb741d8c r5:85543000 [ 1337.846586][ T32] r4:85543000 [ 1337.846635][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.846680][ T32] r5:85543000 r4:82918808 [ 1337.846701][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.846737][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.846780][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb741e08 [ 1337.846802][ T32] r4:00000000 [ 1337.846820][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.846854][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.846890][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.846959][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85583300 [ 1337.846985][ T32] r4:00000000 [ 1337.847035][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.847092][ T32] r9:83018205 r8:85543000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1337.847116][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.847158][ T32] r5:00001000 r4:eb745000 [ 1337.847178][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.847218][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.847258][ T32] r5:855b438c r4:855b4000 [ 1337.847294][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.847343][ T32] r7:ddde2d80 r6:83018200 r5:855b438c r4:85588a00 [ 1337.847363][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.847435][ T32] r10:61c88647 r9:85543000 r8:85588a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.847461][ T32] r4:85588a00 [ 1337.847511][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 5 printk messages dropped ** [ 1337.847788][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1337.848371][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1337.849018][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 3 printk messages dropped ** [ 1337.849274][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 8 printk messages dropped ** [ 1337.849643][ T32] r5:00001000 r4:ece91000 ** 1 printk messages dropped ** [ 1337.849702][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.849817][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.878392][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.878551][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.878578][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.878656][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.878710][ T32] r4:8454d780 [ 1337.878748][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.878858][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.878886][ T32] r4:00000001 [ 1337.878907][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.878973][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.879027][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.879089][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.879158][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.879196][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.879247][ T32] r4:84e5a340 [ 1337.879276][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.879339][ T32] INFO: task kworker/1:627:5133 blocked for more than 464 seconds. [ 1337.879380][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.879407][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.879454][ T32] task:kworker/1:627 state:D stack:0 pid:5133 tgid:5133 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.879528][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.879661][ T32] Call trace: [ 1337.879805][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.890874][ T32] r10:8291880c r9:eb749d84 r8:00000002 r7:60000113 r6:eb749d8c r5:8553ec00 [ 1337.890955][ T32] r4:8553ec00 [ 1337.890987][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.891060][ T32] r5:8553ec00 r4:82918808 [ 1337.891084][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.891128][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.891175][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb749e08 [ 1337.891199][ T32] r4:00000000 [ 1337.891221][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.891259][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.891333][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.891452][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85583480 [ 1337.891482][ T32] r4:00000000 [ 1337.891506][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.891558][ T32] r9:83018205 r8:8553ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f0a3000 [ 1337.891581][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.891629][ T32] r5:00001000 r4:eb751000 [ 1337.891651][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.891721][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.891773][ T32] r5:855b478c r4:855b4400 [ 1337.891795][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.891847][ T32] r7:ddde2d80 r6:83018200 r5:855b478c r4:85588b00 [ 1337.891869][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.891921][ T32] r10:61c88647 r9:8553ec00 r8:85588b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.891945][ T32] r4:85588b00 [ 1337.891966][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.892084][ T32] r10:00000000 r9:85588b00 r8:8027f5e8 r7:eb741e60 r6:85588b80 r5:8553ec00 [ 1337.892112][ T32] r4:00000001 [ 1337.892134][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.892175][ T32] Exception stack(0xeb749fb0 to 0xeb749ff8) [ 1337.892235][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.892297][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.892357][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.892405][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.892432][ T32] r4:85583380 [ 1337.892931][ T32] INFO: task kworker/1:627:5133 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.892967][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.893041][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.893122][ T32] Call trace: [ 1337.893154][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.893203][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.893226][ T32] r4:00000000 [ 1337.893245][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.893283][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.893343][ T32] 9d20: bbb8b000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.893377][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.893404][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.893427][ T32] r5:80070013 r4:80239bb0 [ 1337.893462][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.893512][ T32] r4:82ac11a4 [ 1337.893550][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.893618][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.893668][ T32] r4:e47b9dc0 [ 1337.893733][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.893786][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.893809][ T32] r4:00000000 [ 1337.893856][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.893905][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.893996][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.894054][ T32] r5:00001000 r4:ece91000 [ 1337.894076][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.894171][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.894263][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.894285][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.894339][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.894361][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.894406][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.894428][ T32] r4:8454d780 [ 1337.894447][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.894508][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.894547][ T32] r4:00000001 [ 1337.894588][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.894686][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.894802][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.894835][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.894863][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.894893][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.894916][ T32] r4:84e5a340 [ 1337.894939][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.894995][ T32] INFO: task kworker/1:628:5134 blocked for more than 464 seconds. [ 1337.895043][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.895069][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.895091][ T32] task:kworker/1:628 state:D stack:0 pid:5134 tgid:5134 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.895159][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.895201][ T32] Call trace: [ 1337.895265][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.895349][ T32] r10:8291880c r9:eb6fdd84 r8:00000002 r7:60000113 r6:eb6fdd8c r5:8553e000 [ 1337.895402][ T32] r4:8553e000 [ 1337.895426][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.895468][ T32] r5:8553e000 r4:82918808 [ 1337.895488][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.895525][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.895649][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6fde08 [ 1337.895759][ T32] r4:00000000 [ 1337.895809][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.895848][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.895885][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.895928][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85583840 [ 1337.895981][ T32] r4:00000000 [ 1337.896032][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.896135][ T32] r9:83018205 r8:8553e000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a7000 [ 1337.896160][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.896202][ T32] r5:00001000 r4:eb769000 [ 1337.896221][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.896260][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.896331][ T32] r5:855b4f8c r4:855b4c00 [ 1337.896361][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.896406][ T32] r7:ddde2d80 r6:83018200 r5:855b4f8c r4:85588c00 [ 1337.896427][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.896471][ T32] r10:61c88647 r9:8553e000 r8:85588c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.896492][ T32] r4:85588c00 [ 1337.896510][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.896582][ T32] r10:00000000 r9:85588c00 r8:8027f5e8 r7:eb749e60 r6:85588c80 r5:8553e000 [ 1337.896665][ T32] r4:00000001 [ 1337.896696][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.896759][ T32] Exception stack(0xeb6fdfb0 to 0xeb6fdff8) [ 1337.896790][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1337.896818][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.896844][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.896871][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.896894][ T32] r4:85583380 [ 1337.897248][ T32] INFO: task kworker/1:628:5134 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.897285][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.897411][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.897455][ T32] Call trace: [ 1337.897504][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.897600][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.897628][ T32] r4:00000000 [ 1337.897649][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.897716][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.897804][ T32] 9d20: bbb8b000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.897864][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.897892][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.897918][ T32] r5:80070013 r4:80239bb0 [ 1337.897939][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.897984][ T32] r4:82ac11a4 [ 1337.898003][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.898050][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.898073][ T32] r4:e47b9dc0 [ 1337.898121][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.898169][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.898232][ T32] r4:00000000 [ 1337.898269][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.898324][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.898347][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.898390][ T32] r5:00001000 r4:ece91000 [ 1337.898409][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.898447][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.898487][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.898507][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.898552][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.898588][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.898667][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.898723][ T32] r4:8454d780 [ 1337.898774][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.898825][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.898849][ T32] r4:00000001 [ 1337.898867][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.898961][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.899000][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.899065][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.899139][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.899174][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.899197][ T32] r4:84e5a340 [ 1337.899245][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.899276][ T32] INFO: task kworker/1:629:5136 blocked for more than 464 seconds. [ 1337.899311][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.899335][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.899356][ T32] task:kworker/1:629 state:D stack:0 pid:5136 tgid:5136 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.899452][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.899552][ T32] Call trace: [ 1337.899622][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.899792][ T32] r10:8291880c r9:eb755d84 r8:00000002 r7:60000013 r6:eb755d8c r5:85548000 [ 1337.914294][ T32] r4:85548000 [ 1337.914346][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.914458][ T32] r5:85548000 r4:82918808 [ 1337.914485][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.914552][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.914669][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb755e08 [ 1337.914698][ T32] r4:00000000 [ 1337.914717][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.914753][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.914825][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.914874][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85583600 [ 1337.914897][ T32] r4:00000000 [ 1337.914945][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.914996][ T32] r9:83018205 r8:85548000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1337.915018][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.915066][ T32] r5:00001000 r4:eb75d000 [ 1337.915086][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.915126][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.915167][ T32] r5:855b4b8c r4:855b4800 [ 1337.915214][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.915266][ T32] r7:ddde2d80 r6:83018200 r5:855b4b8c r4:85588d00 [ 1337.915287][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.915337][ T32] r10:61c88647 r9:85548000 r8:85588d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.915359][ T32] r4:85588d00 [ 1337.915380][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.915423][ T32] r10:00000000 r9:85588d00 r8:8027f5e8 r7:eb6fde60 r6:85588d80 r5:85548000 [ 1337.915445][ T32] r4:00000001 [ 1337.915464][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.915528][ T32] Exception stack(0xeb755fb0 to 0xeb755ff8) [ 1337.915562][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.915592][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.915619][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.915666][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.915699][ T32] r4:85583280 [ 1337.916250][ T32] INFO: task kworker/1:629:5136 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.916312][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.916447][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.916529][ T32] Call trace: [ 1337.916594][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.916645][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.916695][ T32] r4:00000000 [ 1337.916719][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.916757][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.916784][ T32] 9d20: bbc0c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.916813][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.916838][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.916861][ T32] r5:80070013 r4:80239bb0 [ 1337.916881][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.916926][ T32] r4:82ac11a4 [ 1337.916945][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.916990][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.917012][ T32] r4:e47b9dc0 [ 1337.917032][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.917075][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.917097][ T32] r4:00000000 [ 1337.917144][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.917193][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.917228][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.917273][ T32] r5:00001000 r4:ece91000 [ 1337.917301][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.917342][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.917410][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.917435][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.917482][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.917529][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.917607][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.917635][ T32] r4:8454d780 [ 1337.917657][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.917702][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.917725][ T32] r4:00000001 [ 1337.917744][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.917780][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.917833][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.917894][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.917924][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.917955][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.918006][ T32] r4:84e5a340 [ 1337.918031][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.918105][ T32] INFO: task kworker/1:630:5139 blocked for more than 464 seconds. [ 1337.918172][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.918248][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.918302][ T32] task:kworker/1:630 state:D stack:0 pid:5139 tgid:5139 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.918356][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.918397][ T32] Call trace: [ 1337.918559][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1337.918611][ T32] r10:8291880c r9:eb761d84 r8:00000002 r7:60000113 r6:eb761d8c r5:85548c00 [ 1337.918690][ T32] r4:85548c00 [ 1337.918771][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1337.918815][ T32] r5:85548c00 r4:82918808 [ 1337.918862][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1337.918902][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1337.918945][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb761e08 [ 1337.918967][ T32] r4:00000000 [ 1337.918987][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1337.919067][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1337.919120][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.919165][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85583b00 [ 1337.919220][ T32] r4:00000000 [ 1337.919245][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.919295][ T32] r9:83018205 r8:85548c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b7000 [ 1337.919317][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.919385][ T32] r5:00001000 r4:eb781000 [ 1337.919408][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.919447][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.919491][ T32] r5:855b578c r4:855b5400 [ 1337.919557][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.919650][ T32] r7:ddde2d80 r6:83018200 r5:855b578c r4:85588e00 [ 1337.919673][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.919781][ T32] r10:61c88647 r9:85548c00 r8:85588e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.941740][ T32] r4:85588e00 [ 1337.941790][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.941868][ T32] r10:00000000 r9:85588e00 r8:8027f5e8 r7:eb6fde60 r6:85588e80 r5:85548c00 [ 1337.941892][ T32] r4:00000001 [ 1337.941912][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.941977][ T32] Exception stack(0xeb761fb0 to 0xeb761ff8) [ 1337.942071][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1337.942134][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.942166][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1337.942317][ T32] r4:85583640 ** 5 printk messages dropped ** [ 1337.943151][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1337.943482][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1337.943577][ T32] r4:e47b9dc0 [ 1337.943597][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.943642][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.943701][ T32] r4:00000000 [ 1337.943727][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.943774][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.943824][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.943893][ T32] r5:00001000 r4:ece91000 [ 1337.943944][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.943987][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.944037][ T32] r5:85a7af8c r4:85a7ac00 [ 1337.944140][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.944219][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1337.944272][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.944326][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.944350][ T32] r4:8454d780 [ 1337.944370][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.944415][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1337.944437][ T32] r4:00000001 [ 1337.944456][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.944491][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1337.944546][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1337.944579][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.944633][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.944666][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.944688][ T32] r4:84e5a340 [ 1337.944711][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1337.944742][ T32] INFO: task kworker/1:631:5141 blocked for more than 464 seconds. [ 1337.944776][ T32] Not tainted 6.15.0-syzkaller #0 [ 1337.944801][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1337.944823][ T32] task:kworker/1:631 state:D stack:0 pid:5141 tgid:5141 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.944869][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.944943][ T32] Call trace: [ 1337.945006][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 6 printk messages dropped ** [ 1337.945433][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb779e08 ** 9 printk messages dropped ** [ 1337.945842][ T32] r5:00001000 r4:eb775000 [ 1337.945891][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.945934][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1337.946077][ T32] r7:ddde2d80 r6:83018200 r5:855b538c r4:85588f00 ** 7 printk messages dropped ** [ 1337.946631][ T32] Exception stack(0xeb779fb0 to 0xeb779ff8) ** 8 printk messages dropped ** [ 1337.947460][ T32] Call trace: ** 4 printk messages dropped ** [ 1337.947756][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 6 printk messages dropped ** [ 1337.947985][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 10 printk messages dropped ** [ 1337.948531][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1337.948932][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1337.949291][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1337.949651][ T32] Call trace: ** 6 printk messages dropped ** [ 1337.972934][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1337.973146][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85583c80 [ 1337.973169][ T32] r4:00000000 [ 1337.973203][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.973254][ T32] r9:83018205 r8:8554a400 r7:00000000 r6:83018200 r5:00001000 r4:7f0b9000 [ 1337.973276][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.973347][ T32] r5:00001000 r4:eb78d000 [ 1337.973378][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.973419][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.973477][ T32] r5:855b5b8c r4:855b5800 [ 1337.973504][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1337.973552][ T32] r7:ddde2d80 r6:83018200 r5:855b5b8c r4:85593000 [ 1337.973699][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1337.973778][ T32] r10:61c88647 r9:8554a400 r8:8559302c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1337.973804][ T32] r4:85593000 [ 1337.973850][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1337.974021][ T32] r10:00000000 r9:85593000 r8:8027f5e8 r7:eb761e60 r6:85593080 r5:8554a400 [ 1337.974052][ T32] r4:00000001 [ 1337.974073][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1337.974111][ T32] Exception stack(0xeb785fb0 to 0xeb785ff8) [ 1337.974141][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1337.974170][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1337.974269][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1337.974307][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1337.974331][ T32] r4:855838c0 [ 1337.974825][ T32] INFO: task kworker/1:632:5143 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1337.974860][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1337.974931][ T32] Workqueue: events bpf_prog_free_deferred [ 1337.974979][ T32] Call trace: [ 1337.975010][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1337.975068][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1337.975092][ T32] r4:00000000 [ 1337.975195][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1337.975264][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1337.975296][ T32] 9d20: bc27a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1337.975344][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1337.975373][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1337.975398][ T32] r5:80070013 r4:80239bb0 [ 1337.975418][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1337.975486][ T32] r4:82ac11a4 [ 1337.975509][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1337.975668][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1337.975721][ T32] r4:e47b9dc0 [ 1337.975770][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1337.975817][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1337.975839][ T32] r4:00000000 [ 1337.975858][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1337.975902][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1337.975951][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1337.975997][ T32] r5:00001000 r4:ece91000 [ 1337.976019][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1337.976068][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1337.976163][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1337.976338][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1337.976793][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1337.977378][ T32] r4:8554b000 ** 5 printk messages dropped ** [ 1337.977712][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1337.977945][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1337.978130][ T32] r5:00001000 r4:eb799000 [ 1337.978153][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1337.978421][ T32] r10:61c88647 r9:8554b000 r8:855931ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1337.978736][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1337.979523][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1337.996967][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1337.997428][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1337.998145][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1337.998380][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 9 printk messages dropped ** [ 1337.998842][ T32] task:kworker/1:634 state:D stack:0 pid:5147 tgid:5147 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1337.999494][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1338.013034][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1338.013265][ T32] r5:00001000 r4:eb7a5000 ** 2 printk messages dropped ** [ 1338.013374][ T32] r5:855b638c r4:855b6000 [ 1338.013455][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.013511][ T32] r7:ddde2d80 r6:83018200 r5:855b638c r4:85593100 [ 1338.013533][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.013591][ T32] r10:61c88647 r9:8554bc00 r8:8559312c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.013618][ T32] r4:85593100 [ 1338.013638][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.013684][ T32] r10:00000000 r9:85593100 r8:8027f5e8 r7:eb791e60 r6:85593280 r5:8554bc00 [ 1338.013707][ T32] r4:00000001 [ 1338.013726][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.013792][ T32] Exception stack(0xeb79dfb0 to 0xeb79dff8) [ 1338.013855][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.013886][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.013913][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.013965][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.014049][ T32] r4:85583c40 [ 1338.014566][ T32] INFO: task kworker/1:634:5147 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.014604][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.014675][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.014723][ T32] Call trace: [ 1338.014755][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.014825][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.014853][ T32] r4:00000000 [ 1338.014903][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.014946][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.014975][ T32] 9d20: bc6ea000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.015082][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.015114][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.015139][ T32] r5:80070013 r4:80239bb0 [ 1338.015159][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.015205][ T32] r4:82ac11a4 [ 1338.015251][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.015302][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.015326][ T32] r4:e47b9dc0 [ 1338.015348][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.015391][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.015413][ T32] r4:00000000 [ 1338.015518][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.015602][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.015629][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.015674][ T32] r5:00001000 r4:ece91000 [ 1338.015695][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.015735][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.015790][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.015814][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.015862][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.015938][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.015987][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.016041][ T32] r4:8454d780 [ 1338.016065][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.016110][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.016132][ T32] r4:00000001 [ 1338.016180][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.016221][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.016248][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.016277][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.016330][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.016390][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.016416][ T32] r4:84e5a340 [ 1338.016466][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.016525][ T32] INFO: task kworker/1:635:5149 blocked for more than 464 seconds. [ 1338.016563][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.016590][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 4 printk messages dropped ** [ 1338.016972][ T32] r10:8291880c r9:eb7a9d84 r8:00000002 r7:60000013 r6:eb7a9d8c r5:8554c800 ** 8 printk messages dropped ** [ 1338.017580][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1338.017856][ T32] r5:00001000 r4:eb7b1000 [ 1338.017874][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1338.017985][ T32] r5:855b678c r4:855b6400 ** 4 printk messages dropped ** [ 1338.018184][ T32] r4:85593300 ** 6 printk messages dropped ** [ 1338.018514][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1338.019270][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 10 printk messages dropped ** [ 1338.039607][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 9 printk messages dropped ** [ 1338.040649][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1338.041069][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1338.041296][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1338.041830][ T32] r10:8291880c r9:eb7b5d84 r8:00000002 r7:60000113 r6:eb7b5d8c r5:8554d400 ** 8 printk messages dropped ** [ 1338.042359][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1338.042720][ T32] r5:00001000 r4:dfa9f000 ** 1 printk messages dropped ** [ 1338.042781][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1338.043156][ T32] r10:00000000 r9:85593400 r8:8027f5e8 r7:eb7a9e60 r6:85593480 r5:8554d400 [ 1338.043208][ T32] r4:00000001 [ 1338.043232][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.043269][ T32] Exception stack(0xeb7b5fb0 to 0xeb7b5ff8) [ 1338.043295][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1338.043350][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.043409][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.043445][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.043471][ T32] r4:855a0040 [ 1338.043972][ T32] INFO: task kworker/1:636:5151 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.044064][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.044318][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.044427][ T32] Call trace: [ 1338.044460][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.044539][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.044568][ T32] r4:00000000 [ 1338.044588][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.044625][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.044653][ T32] 9d20: bca22000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.044681][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.044706][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.044759][ T32] r5:80070013 r4:80239bb0 [ 1338.044791][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.044870][ T32] r4:82ac11a4 [ 1338.044905][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.044957][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.044985][ T32] r4:e47b9dc0 [ 1338.045007][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.045062][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.045087][ T32] r4:00000000 [ 1338.045107][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.045151][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.045172][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.045213][ T32] r5:00001000 r4:ece91000 [ 1338.045232][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.045270][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.045311][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.045331][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.045376][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.045424][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.045474][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.045497][ T32] r4:8454d780 [ 1338.045515][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.045559][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.045582][ T32] r4:00000001 [ 1338.045631][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.045699][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.045728][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.045756][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.045790][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.045820][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.045843][ T32] r4:84e5a340 [ 1338.045863][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.045918][ T32] INFO: task kworker/1:637:5153 blocked for more than 464 seconds. [ 1338.045952][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.045977][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.045998][ T32] task:kworker/1:637 state:D stack:0 pid:5153 tgid:5153 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.046073][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.046143][ T32] Call trace: [ 1338.046359][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1338.046440][ T32] r10:8291880c r9:eb7cdd84 r8:00000002 r7:60000013 r6:eb7cdd8c r5:8554e000 [ 1338.046495][ T32] r4:8554e000 [ 1338.046518][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1338.046559][ T32] r5:8554e000 r4:82918808 [ 1338.046579][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.046615][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.046657][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7cde08 [ 1338.046723][ T32] r4:00000000 [ 1338.046774][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1338.046813][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1338.046851][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.046921][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855a0100 [ 1338.046964][ T32] r4:00000000 [ 1338.047016][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.047074][ T32] r9:83018205 r8:8554e000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c1000 [ 1338.047097][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.047164][ T32] r5:00001000 r4:eb7bd000 [ 1338.047188][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.047227][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.047267][ T32] r5:855b6b8c r4:855b6800 [ 1338.047286][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.047328][ T32] r7:ddde2d80 r6:83018200 r5:855b6b8c r4:85593500 [ 1338.047348][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.047392][ T32] r10:61c88647 r9:8554e000 r8:8559352c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.047418][ T32] r4:85593500 [ 1338.047437][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.047508][ T32] r10:00000000 r9:85593500 r8:8027f5e8 r7:eb7b5e60 r6:85593580 r5:8554e000 [ 1338.047563][ T32] r4:00000001 [ 1338.047586][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.047624][ T32] Exception stack(0xeb7cdfb0 to 0xeb7cdff8) [ 1338.047651][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.047679][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.047705][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.047747][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.047773][ T32] r4:855a0240 [ 1338.048132][ T32] INFO: task kworker/1:637:5153 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.048166][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.048220][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.048297][ T32] Call trace: [ 1338.048360][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.048439][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.048466][ T32] r4:00000000 [ 1338.048486][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.048543][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.048575][ T32] 9d20: bca22000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.048609][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 6 printk messages dropped ** [ 1338.048865][ T32] r4:e47b9dc0 ** 6 printk messages dropped ** [ 1338.049210][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1338.049641][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1338.072633][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1338.073020][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1338.073776][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1338.074476][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.074525][ T32] r5:00001000 r4:eb7c9000 ** 3 printk messages dropped ** [ 1338.074759][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 4 printk messages dropped ** [ 1338.074967][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.075016][ T32] r10:00000000 r9:85593600 r8:8027f5e8 r7:eb7b5e60 r6:85593680 r5:8554ec00 [ 1338.075049][ T32] r4:00000001 [ 1338.075069][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.075106][ T32] Exception stack(0xeb76dfb0 to 0xeb76dff8) [ 1338.075161][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.075194][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.075222][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.075251][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.075302][ T32] r4:855a0240 [ 1338.075885][ T32] INFO: task kworker/1:638:5154 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.075926][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.076064][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.076116][ T32] Call trace: [ 1338.076260][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.076345][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.076373][ T32] r4:00000000 [ 1338.076393][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.076431][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.076487][ T32] 9d20: bcc9d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.076520][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.076545][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.076585][ T32] r5:80070013 r4:80239bb0 [ 1338.076609][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.076655][ T32] r4:82ac11a4 [ 1338.076675][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.076749][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.076775][ T32] r4:e47b9dc0 [ 1338.076822][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.077032][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.077069][ T32] r4:00000000 [ 1338.077161][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.077213][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.077236][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.077281][ T32] r5:00001000 r4:ece91000 [ 1338.077305][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.077345][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.077388][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.077408][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.077455][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.077476][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.077536][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.077566][ T32] r4:8454d780 [ 1338.077586][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.077629][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.077650][ T32] r4:00000001 [ 1338.077669][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.077705][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.077759][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.077818][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.077848][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.077904][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.077987][ T32] r4:84e5a340 [ 1338.078012][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.078050][ T32] INFO: task kworker/1:639:5158 blocked for more than 464 seconds. ** 3 printk messages dropped ** [ 1338.078214][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1338.078573][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1338.078978][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.079078][ T32] r5:00001000 r4:dfdf3000 [ 1338.079135][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1338.079407][ T32] r7:ddde2d80 r6:83018200 r5:855b778c r4:85593700 ** 7 printk messages dropped ** [ 1338.079688][ T32] Exception stack(0xeb7d9fb0 to 0xeb7d9ff8) ** 6 printk messages dropped ** [ 1338.098185][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1338.099015][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1338.099358][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1338.120565][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1338.120987][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.121022][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.121055][ T32] r4:84e5a340 [ 1338.121095][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.121182][ T32] INFO: task kworker/1:640:5159 blocked for more than 464 seconds. [ 1338.121259][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.121293][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.121318][ T32] task:kworker/1:640 state:D stack:0 pid:5159 tgid:5159 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.121376][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.121425][ T32] Call trace: [ 1338.121459][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1338.121511][ T32] r10:8291880c r9:eb4edd84 r8:00000002 r7:60000113 r6:eb4edd8c r5:85550c00 [ 1338.121562][ T32] r4:85550c00 [ 1338.121588][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1338.121632][ T32] r5:85550c00 r4:82918808 [ 1338.121653][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.121703][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.121752][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb4ede08 [ 1338.121793][ T32] r4:00000000 [ 1338.121816][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1338.121851][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1338.121893][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.121936][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855a0940 [ 1338.121959][ T32] r4:00000000 [ 1338.121978][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.122024][ T32] r9:83018205 r8:85550c00 r7:00000000 r6:83018200 r5:00001000 r4:7f02d000 [ 1338.122058][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.122126][ T32] r5:00001000 r4:e05b7000 [ 1338.122152][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.122236][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.122301][ T32] r5:855b7f8c r4:855b7c00 [ 1338.122322][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.122367][ T32] r7:ddde2d80 r6:83018200 r5:855b7f8c r4:85593800 [ 1338.122390][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.122433][ T32] r10:61c88647 r9:85550c00 r8:8559382c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.122468][ T32] r4:85593800 [ 1338.122491][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.122563][ T32] r10:00000000 r9:85593800 r8:8027f5e8 r7:eb7d9e60 r6:85593880 r5:85550c00 ** 6 printk messages dropped ** [ 1338.122809][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1338.123650][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 7 printk messages dropped ** [ 1338.123948][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 8 printk messages dropped ** [ 1338.124365][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 9 printk messages dropped ** [ 1338.124813][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1338.124980][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1338.125573][ T32] r4:85551800 ** 4 printk messages dropped ** [ 1338.125788][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb515e08 ** 8 printk messages dropped ** [ 1338.126126][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.126165][ T32] r5:00001000 r4:e03bd000 ** 4 printk messages dropped ** [ 1338.126390][ T32] r7:ddde2d80 r6:83018200 r5:855b7b8c r4:85593900 ** 5 printk messages dropped ** [ 1338.126559][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1338.126759][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1338.127574][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1338.127910][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 8 printk messages dropped ** [ 1338.128236][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1338.128529][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1338.128752][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1338.129305][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1338.129545][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1338.138164][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 2 printk messages dropped ** [ 1338.138364][ T32] r4:00000000 [ 1338.138389][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1338.138427][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1338.138470][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.138513][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855a0b00 [ 1338.138535][ T32] r4:00000000 [ 1338.138554][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.138627][ T32] r9:83018205 r8:85552400 r7:00000000 r6:83018200 r5:00001000 r4:7f02f000 [ 1338.138682][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.138774][ T32] r5:00001000 r4:e47df000 [ 1338.138799][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.138839][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.138910][ T32] r5:855c038c r4:855c0000 [ 1338.138933][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.138981][ T32] r7:ddde2d80 r6:83018200 r5:855c038c r4:85593a00 [ 1338.139002][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.139107][ T32] r10:61c88647 r9:85552400 r8:85593a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.139177][ T32] r4:85593a00 [ 1338.139201][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.139249][ T32] r10:00000000 r9:85593a00 r8:8027f5e8 r7:eb4ede60 r6:85593a80 r5:85552400 [ 1338.139271][ T32] r4:00000001 [ 1338.139302][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.139346][ T32] Exception stack(0xeb4cdfb0 to 0xeb4cdff8) [ 1338.139377][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.139433][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.139486][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.139563][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.139590][ T32] r4:855a0740 [ 1338.155505][ T32] INFO: task kworker/1:642:5163 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.155675][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.155774][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.155842][ T32] Call trace: [ 1338.155904][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.155994][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.156070][ T32] r4:00000000 [ 1338.156099][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.156167][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.156230][ T32] 9d20: bd79d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.156263][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.156316][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.156371][ T32] r5:80070013 r4:80239bb0 [ 1338.156426][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.156477][ T32] r4:82ac11a4 [ 1338.156498][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.156546][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.156596][ T32] r4:e47b9dc0 [ 1338.156647][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.156696][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.156719][ T32] r4:00000000 [ 1338.156739][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.156803][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.156834][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.156880][ T32] r5:00001000 r4:ece91000 [ 1338.156901][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.156939][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.156980][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.156999][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.157053][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.157074][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.157118][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.157141][ T32] r4:8454d780 [ 1338.157161][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.157232][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.157260][ T32] r4:00000001 [ 1338.157310][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.157408][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.157439][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.157468][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.157495][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.157551][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 5 printk messages dropped ** [ 1338.157709][ T32] task:kworker/1:643 state:D stack:0 pid:5165 tgid:5165 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1338.158509][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1338.158736][ T32] r5:00001000 r4:ea9c9000 ** 1 printk messages dropped ** [ 1338.158794][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1338.159174][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1338.159636][ T32] r4:855a0980 ** 3 printk messages dropped ** [ 1338.180955][ T32] Call trace: ** 4 printk messages dropped ** [ 1338.181285][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 7 printk messages dropped ** [ 1338.181669][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 8 printk messages dropped ** [ 1338.182096][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1338.182424][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1338.182599][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1338.182821][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1338.183214][ T32] r4:85553c00 ** 4 printk messages dropped ** [ 1338.183460][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb651e08 ** 9 printk messages dropped ** [ 1338.183941][ T32] r5:00001000 r4:eb097000 [ 1338.183961][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.183998][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.184156][ T32] r5:855c1f8c r4:855c1c00 [ 1338.184180][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.184224][ T32] r7:ddde2d80 r6:83018200 r5:855c1f8c r4:85593c00 [ 1338.184245][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.184320][ T32] r10:61c88647 r9:85553c00 r8:85593c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.184373][ T32] r4:85593c00 [ 1338.184411][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.184486][ T32] r10:00000000 r9:85593c00 r8:8027f5e8 r7:eb645e60 r6:85593c80 r5:85553c00 [ 1338.184513][ T32] r4:00000001 [ 1338.184560][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.184600][ T32] Exception stack(0xeb651fb0 to 0xeb651ff8) [ 1338.184656][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1338.184716][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.184747][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.184791][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.184847][ T32] r4:855a0d00 [ 1338.185229][ T32] INFO: task kworker/1:644:5168 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.185264][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.185322][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.185364][ T32] Call trace: [ 1338.185394][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.185441][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.185463][ T32] r4:00000000 [ 1338.185482][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.185546][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.185605][ T32] 9d20: bdb96000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.185638][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.185664][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.185688][ T32] r5:80070013 r4:80239bb0 [ 1338.185708][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.185752][ T32] r4:82ac11a4 [ 1338.185819][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.185869][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.185903][ T32] r4:e47b9dc0 [ 1338.185958][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.186068][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.186096][ T32] r4:00000000 [ 1338.186118][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.186165][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.186186][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.186327][ T32] r5:00001000 r4:ece91000 [ 1338.186364][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.186406][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.186449][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.186495][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.186546][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.186598][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.186647][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.186669][ T32] r4:8454d780 [ 1338.186688][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.186732][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.186782][ T32] r4:00000001 [ 1338.186832][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.186899][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.186930][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.186988][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.187019][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.187056][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.187107][ T32] r4:84e5a340 [ 1338.187158][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.187188][ T32] INFO: task kworker/1:645:5170 blocked for more than 464 seconds. [ 1338.187219][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.187248][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.187270][ T32] task:kworker/1:645 state:D stack:0 pid:5170 tgid:5170 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.187337][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.187391][ T32] Call trace: [ 1338.187467][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1338.187518][ T32] r10:8291880c r9:eb671d84 r8:00000002 r7:60000113 r6:eb671d8c r5:85554800 [ 1338.187541][ T32] r4:85554800 [ 1338.187560][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1338.187602][ T32] r5:85554800 r4:82918808 [ 1338.187649][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.187689][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.187730][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb671e08 [ 1338.187778][ T32] r4:00000000 [ 1338.187802][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1338.187846][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1338.187913][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.188006][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855a0dc0 [ 1338.188046][ T32] r4:00000000 [ 1338.188080][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.188130][ T32] r9:83018205 r8:85554800 r7:00000000 r6:83018200 r5:00001000 r4:7f033000 [ 1338.188151][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.188193][ T32] r5:00001000 r4:eaa49000 [ 1338.188213][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.188279][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.188327][ T32] r5:855c0b8c r4:855c0800 [ 1338.188347][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.188390][ T32] r7:ddde2d80 r6:83018200 r5:855c0b8c r4:85593d00 [ 1338.188412][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.188481][ T32] r10:61c88647 r9:85554800 r8:85593d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.188540][ T32] r4:85593d00 [ 1338.188565][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.188639][ T32] r10:00000000 r9:85593d00 r8:8027f5e8 r7:eb651e60 r6:85593d80 r5:85554800 [ 1338.188666][ T32] r4:00000001 [ 1338.188714][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.188754][ T32] Exception stack(0xeb671fb0 to 0xeb671ff8) [ 1338.188781][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1338.188808][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.188834][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.188861][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.188884][ T32] r4:855a0bc0 [ 1338.189345][ T32] INFO: task kworker/1:645:5170 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.189390][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.189510][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.189611][ T32] Call trace: [ 1338.189647][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.189696][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.189720][ T32] r4:00000000 [ 1338.189741][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.200738][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.200800][ T32] 9d20: bdb96000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.200833][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.200859][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.200887][ T32] r5:80070013 r4:80239bb0 ** 1 printk messages dropped ** [ 1338.201034][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1338.201271][ T32] r4:00000000 [ 1338.201299][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.201355][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.201492][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.201601][ T32] r5:00001000 r4:ece91000 [ 1338.201628][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.201698][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.201747][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.201768][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.201870][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.201902][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.201949][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.201972][ T32] r4:8454d780 [ 1338.202009][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.202072][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.202096][ T32] r4:00000001 [ 1338.202116][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.202152][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 3 printk messages dropped ** [ 1338.202323][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1338.202881][ T32] r4:85555400 ** 4 printk messages dropped ** [ 1338.203087][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb665e08 ** 9 printk messages dropped ** [ 1338.203676][ T32] r5:00001000 r4:eaae5000 [ 1338.203697][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.203765][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1338.203962][ T32] r7:ddde2d80 r6:83018200 r5:855c0f8c r4:85593e00 ** 9 printk messages dropped ** [ 1338.204427][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1338.205270][ T32] Call trace: ** 4 printk messages dropped ** [ 1338.205489][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 7 printk messages dropped ** [ 1338.205850][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 9 printk messages dropped ** [ 1338.206278][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1338.206694][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1338.206992][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1338.207270][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1338.207578][ T32] r5:85556000 r4:82918808 ** 6 printk messages dropped ** [ 1338.207937][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1338.208263][ T32] r5:00001000 r4:eab9f000 ** 1 printk messages dropped ** [ 1338.208326][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.208398][ T32] r5:855c138c r4:855c1000 [ 1338.208421][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.208492][ T32] r7:ddde2d80 r6:83018200 r5:855c138c r4:85593f00 [ 1338.208516][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.208589][ T32] r10:61c88647 r9:85556000 r8:85593f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.208643][ T32] r4:85593f00 [ 1338.208694][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.208743][ T32] r10:00000000 r9:85593f00 r8:8027f5e8 r7:eb651e60 r6:85593f80 r5:85556000 [ 1338.208801][ T32] r4:00000001 [ 1338.208824][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.208877][ T32] Exception stack(0xeb67dfb0 to 0xeb67dff8) [ 1338.208906][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.208935][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.208961][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.209008][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.209076][ T32] r4:855ee080 [ 1338.209469][ T32] INFO: task kworker/1:647:5173 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.209512][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.209603][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.209681][ T32] Call trace: [ 1338.209731][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.236093][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.236213][ T32] r4:00000000 [ 1338.236241][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.236306][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.236369][ T32] 9d20: bdf22000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.236403][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.236430][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.236455][ T32] r5:80070013 r4:80239bb0 [ 1338.236476][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.236536][ T32] r4:82ac11a4 [ 1338.236560][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.236607][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.236687][ T32] r4:e47b9dc0 [ 1338.236712][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.236758][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.236812][ T32] r4:00000000 [ 1338.236865][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.236915][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.236967][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.237016][ T32] r5:00001000 r4:ece91000 [ 1338.237043][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.237110][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.237158][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.237178][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.237223][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.237244][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.237342][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.237397][ T32] r4:8454d780 [ 1338.237420][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.237493][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.237557][ T32] r4:00000001 [ 1338.237609][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.237648][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 3 printk messages dropped ** [ 1338.237878][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1338.238254][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1338.238652][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1338.239322][ T32] r5:00001000 r4:eaec9000 [ 1338.239352][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.239423][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1338.239545][ T32] r7:ddde2d80 r6:83018200 r5:855c178c r4:855f2000 ** 9 printk messages dropped ** [ 1338.255283][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1338.256352][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1338.256745][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1338.257032][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1338.257558][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1338.257913][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1338.257999][ T32] r4:84e5a340 [ 1338.258021][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.258079][ T32] INFO: task kworker/1:649:5177 blocked for more than 464 seconds. [ 1338.258118][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.258143][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.258165][ T32] task:kworker/1:649 state:D stack:0 pid:5177 tgid:5177 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.258296][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.258374][ T32] Call trace: [ 1338.258453][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1338.258536][ T32] r10:8291880c r9:eb699d84 r8:00000002 r7:60000113 r6:eb699d8c r5:85558000 [ 1338.258562][ T32] r4:85558000 [ 1338.258583][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1338.258650][ T32] r5:85558000 r4:82918808 [ 1338.258675][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.258730][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.258813][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb699e08 [ 1338.258840][ T32] r4:00000000 [ 1338.258860][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1338.258895][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1338.258931][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.258972][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855ee440 [ 1338.259004][ T32] r4:00000000 [ 1338.259089][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.259181][ T32] r9:83018205 r8:85558000 r7:00000000 r6:83018200 r5:00001000 r4:7f069000 [ 1338.259253][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.259337][ T32] r5:00001000 r4:eafed000 [ 1338.259379][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.259449][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.259531][ T32] r5:855c1b8c r4:855c1800 [ 1338.259574][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.259642][ T32] r7:ddde2d80 r6:83018200 r5:855c1b8c r4:855f2100 [ 1338.259679][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.259748][ T32] r10:61c88647 r9:85558000 r8:855f212c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.259786][ T32] r4:855f2100 [ 1338.259837][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.277495][ T32] r10:00000000 r9:855f2100 r8:8027f5e8 r7:eb651e60 r6:855f2180 r5:85558000 [ 1338.277611][ T32] r4:00000001 [ 1338.277639][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.277703][ T32] Exception stack(0xeb699fb0 to 0xeb699ff8) [ 1338.277735][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.277781][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.277821][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.277878][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.277907][ T32] r4:855ee2c0 [ 1338.278431][ T32] INFO: task kworker/1:649:5177 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.278561][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.278785][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.278992][ T32] Call trace: [ 1338.279039][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.279094][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.279118][ T32] r4:00000000 [ 1338.279138][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.279175][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.279488][ T32] 9d20: be297000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.279524][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.279549][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.279573][ T32] r5:80070013 r4:80239bb0 [ 1338.279593][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 2 printk messages dropped ** [ 1338.279739][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 13 printk messages dropped ** [ 1338.294364][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1338.295055][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1338.295440][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1338.295812][ T32] task:kworker/1:650 state:D stack:0 pid:5179 tgid:5179 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1338.296592][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1338.297106][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1338.297337][ T32] r5:00001000 r4:eb0c5000 [ 1338.297359][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.297398][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.297440][ T32] r5:855c238c r4:855c2000 [ 1338.297461][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.297532][ T32] r7:ddde2d80 r6:83018200 r5:855c238c r4:855f2200 [ 1338.297558][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.297618][ T32] r10:61c88647 r9:85558c00 r8:855f222c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.297820][ T32] r4:855f2200 [ 1338.298036][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.298089][ T32] r10:00000000 r9:855f2200 r8:8027f5e8 r7:eb651e60 r6:855f2280 r5:85558c00 [ 1338.298140][ T32] r4:00000001 [ 1338.298163][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.298251][ T32] Exception stack(0xeb6a9fb0 to 0xeb6a9ff8) [ 1338.298329][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.298391][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.298420][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.298451][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.298477][ T32] r4:855ee480 [ 1338.299431][ T32] INFO: task kworker/1:650:5179 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.299528][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.318943][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.319066][ T32] Call trace: [ 1338.319102][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.319162][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.319187][ T32] r4:00000000 [ 1338.319209][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.319791][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.325671][ T32] 9d20: be527000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.325797][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.325835][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.325907][ T32] r5:80070013 r4:80239bb0 [ 1338.326036][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.326111][ T32] r4:82ac11a4 [ 1338.326337][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.326440][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 2 printk messages dropped ** [ 1338.326542][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1338.327174][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1338.328087][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1338.328501][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.328526][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.328834][ T32] task:kworker/1:651 state:D stack:0 pid:5180 tgid:5180 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.328961][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.329007][ T32] Call trace: [ 1338.329048][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1338.329102][ T32] r10:8291880c r9:eb6add84 r8:00000002 r7:60000113 r6:eb6add8c r5:85559800 [ 1338.329351][ T32] r4:85559800 [ 1338.329406][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1338.329451][ T32] r5:85559800 r4:82918808 [ 1338.329471][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.329508][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.329549][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6ade08 [ 1338.329571][ T32] r4:00000000 [ 1338.329590][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1338.329625][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1338.329663][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.329705][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855ee940 [ 1338.329726][ T32] r4:00000000 [ 1338.329817][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1338.353640][ T32] r5:00001000 r4:eb0f7000 [ 1338.353670][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.353780][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1338.354818][ T32] r10:61c88647 r9:85559800 r8:855f232c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1338.355091][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1338.356511][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1338.357358][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1338.357830][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1338.358332][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1338.359251][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1338.359716][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1338.380319][ T32] r4:8555a400 ** 1 printk messages dropped ** [ 1338.380397][ T32] r5:8555a400 r4:82918808 [ 1338.380440][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.380483][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.380532][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6b5e08 [ 1338.380636][ T32] r4:00000000 [ 1338.380719][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1338.380809][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1338.380914][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.381020][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855eebc0 [ 1338.381097][ T32] r4:00000000 [ 1338.381150][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.381286][ T32] r9:83018205 r8:8555a400 r7:00000000 r6:83018200 r5:00001000 r4:7f073000 [ 1338.381350][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.381450][ T32] r5:00001000 r4:eb35f000 [ 1338.381501][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.381589][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.381686][ T32] r5:855c2f8c r4:855c2c00 [ 1338.381738][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.381901][ T32] r7:ddde2d80 r6:83018200 r5:855c2f8c r4:855f2400 [ 1338.381982][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.382112][ T32] r10:61c88647 r9:8555a400 r8:855f242c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.382168][ T32] r4:855f2400 [ 1338.382269][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.382394][ T32] r10:00000000 r9:855f2400 r8:8027f5e8 r7:eb6ade60 r6:855f2480 r5:8555a400 [ 1338.382447][ T32] r4:00000001 [ 1338.382495][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.382556][ T32] Exception stack(0xeb6b5fb0 to 0xeb6b5ff8) [ 1338.382589][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1338.382619][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.382645][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1338.383353][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.383556][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.383856][ T32] Call trace: [ 1338.384137][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.384293][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.384355][ T32] r4:00000000 [ 1338.384407][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.384497][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.384565][ T32] 9d20: be8c5000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.384639][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.384701][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.384761][ T32] r5:80070013 r4:80239bb0 [ 1338.384810][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.384976][ T32] r4:82ac11a4 [ 1338.385166][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.385377][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.385445][ T32] r4:e47b9dc0 [ 1338.385496][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.385637][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.385706][ T32] r4:00000000 [ 1338.385761][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 7 printk messages dropped ** [ 1338.386725][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 3 printk messages dropped ** [ 1338.387023][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1338.387371][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1338.387585][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1338.387950][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1338.388391][ T32] r5:00001000 r4:eb333000 [ 1338.388412][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.388477][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1338.388797][ T32] r4:855f2500 ** 6 printk messages dropped ** [ 1338.389176][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1338.413019][ T32] Call trace: ** 4 printk messages dropped ** [ 1338.413577][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.413649][ T32] 9d20: bec19000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.413719][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.413776][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.413909][ T32] r5:80070013 r4:80239bb0 [ 1338.414002][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.414139][ T32] r4:82ac11a4 [ 1338.414218][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.414338][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.414392][ T32] r4:e47b9dc0 [ 1338.414441][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.414562][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.414838][ T32] r4:00000000 [ 1338.414904][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.415016][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.415072][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.415143][ T32] r5:00001000 r4:ece91000 [ 1338.415229][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.415274][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.415322][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.415439][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.415489][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.415510][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.415557][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.415641][ T32] r4:8454d780 [ 1338.415679][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.415782][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.415840][ T32] r4:00000001 [ 1338.415894][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.416004][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.416083][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.416151][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.416217][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.416299][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.416360][ T32] r4:84e5a340 [ 1338.416418][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.416483][ T32] INFO: task kworker/1:654:5187 blocked for more than 464 seconds. [ 1338.416580][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.416665][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.416724][ T32] task:kworker/1:654 state:D stack:0 pid:5187 tgid:5187 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.416878][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.416976][ T32] Call trace: [ 1338.417288][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1338.417471][ T32] r10:8291880c r9:eb7ddd84 r8:00000002 r7:60000013 r6:eb7ddd8c r5:8555c800 [ 1338.417533][ T32] r4:8555c800 [ 1338.417608][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1338.417718][ T32] r5:8555c800 r4:82918808 [ 1338.417771][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.417866][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.417965][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7dde08 ** 2 printk messages dropped ** [ 1338.418275][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1338.418863][ T32] r5:00001000 r4:eb4c9000 [ 1338.418932][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.419028][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1338.419572][ T32] r4:855f2600 [ 1338.419592][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.419637][ T32] r10:00000000 r9:855f2600 r8:8027f5e8 r7:eb6b5e60 r6:855f2680 r5:8555c800 [ 1338.419659][ T32] r4:00000001 [ 1338.419713][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.419755][ T32] Exception stack(0xeb7ddfb0 to 0xeb7ddff8) [ 1338.419781][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1338.419809][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.419848][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.440953][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.441005][ T32] r4:855eea40 [ 1338.441532][ T32] INFO: task kworker/1:654:5187 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.441594][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.441824][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.441934][ T32] Call trace: [ 1338.441971][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.442035][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.442063][ T32] r4:00000000 [ 1338.442113][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.442226][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.442298][ T32] 9d20: bef21000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.442363][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.442422][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.442450][ T32] r5:80070013 r4:80239bb0 [ 1338.442472][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.442580][ T32] r4:82ac11a4 [ 1338.442607][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 8 printk messages dropped ** [ 1338.443003][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1338.443644][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1338.444611][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1338.445817][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1338.446167][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1338.446874][ T32] r9:83018205 r8:8555e000 r7:00000000 r6:83018200 r5:00001000 r4:7f079000 ** 1 printk messages dropped ** [ 1338.447013][ T32] r5:00001000 r4:eb495000 ** 1 printk messages dropped ** [ 1338.447116][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1338.447472][ T32] r10:00000000 r9:855f2700 r8:8027f5e8 r7:eb7dde60 r6:855f2780 r5:8555e000 ** 8 printk messages dropped ** [ 1338.448235][ T32] INFO: task kworker/1:655:5191 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 9 printk messages dropped ** [ 1338.448767][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 6 printk messages dropped ** [ 1338.449073][ T32] r4:e47b9dc0 [ 1338.449098][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.449144][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.449226][ T32] r4:00000000 [ 1338.449277][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.449336][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.449359][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.449400][ T32] r5:00001000 r4:ece91000 [ 1338.449420][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.449489][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.449534][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.449555][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.449613][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.449670][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.472506][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.472627][ T32] r4:8454d780 [ 1338.472656][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.472728][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.472753][ T32] r4:00000001 [ 1338.472800][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.472846][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.472878][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.472907][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.472961][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.472995][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.473017][ T32] r4:84e5a340 [ 1338.473103][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.473139][ T32] INFO: task kworker/0:374:5192 blocked for more than 464 seconds. [ 1338.473173][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.473198][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.473222][ T32] task:kworker/0:374 state:D stack:0 pid:5192 tgid:5192 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.473320][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.473453][ T32] Call trace: [ 1338.473492][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1338.473545][ T32] r10:8291880c r9:eb7edd84 r8:00000002 r7:60000113 r6:eb7edd8c r5:8555ec00 [ 1338.473752][ T32] r4:8555ec00 [ 1338.473777][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 3 printk messages dropped ** [ 1338.473917][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7ede08 ** 9 printk messages dropped ** [ 1338.474719][ T32] r5:00001000 r4:eb511000 [ 1338.474825][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.474869][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1338.475183][ T32] r7:dddced80 r6:83018000 r5:854e1b8c r4:854ac680 ** 9 printk messages dropped ** [ 1338.476518][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1338.477320][ T32] Call trace: ** 4 printk messages dropped ** [ 1338.477712][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 5 printk messages dropped ** [ 1338.478061][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1338.478472][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1338.501856][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1338.503845][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1338.505621][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1338.506706][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7f1e08 ** 9 printk messages dropped ** [ 1338.507689][ T32] r5:00001000 r4:eb4e9000 [ 1338.507714][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1338.507953][ T32] r7:ddde2d80 r6:83018200 r5:855c3b8c r4:855f2880 [ 1338.508003][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.508084][ T32] r10:61c88647 r9:85560000 r8:855f28ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.508110][ T32] r4:855f2880 [ 1338.508132][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.508176][ T32] r10:00000000 r9:855f2880 r8:8027f5e8 r7:eb7dde60 r6:855f2900 r5:85560000 [ 1338.508198][ T32] r4:00000001 [ 1338.508217][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.508281][ T32] Exception stack(0xeb7f1fb0 to 0xeb7f1ff8) [ 1338.508312][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1338.508369][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.508399][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.508427][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.508449][ T32] r4:855fb080 [ 1338.508934][ T32] INFO: task kworker/1:656:5193 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.508968][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.509068][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.509164][ T32] Call trace: [ 1338.509196][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.509244][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.509267][ T32] r4:00000000 [ 1338.509287][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.509325][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.509353][ T32] 9d20: bf2af000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.509381][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.509427][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.509454][ T32] r5:80070013 r4:80239bb0 [ 1338.509487][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.509611][ T32] r4:82ac11a4 [ 1338.509639][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.509704][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.509730][ T32] r4:e47b9dc0 [ 1338.509771][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.530773][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.530883][ T32] r4:00000000 [ 1338.530932][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.531009][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.531041][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.531470][ T32] r5:00001000 r4:ece91000 [ 1338.531586][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.531663][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.531746][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.531768][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.531816][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.531837][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.531883][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.531905][ T32] r4:8454d780 [ 1338.531924][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.531968][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.531992][ T32] r4:00000001 [ 1338.532011][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.532059][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.532090][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.532178][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.532235][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.532270][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.532300][ T32] r4:84e5a340 [ 1338.532380][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.532414][ T32] INFO: task kworker/1:657:5196 blocked for more than 465 seconds. [ 1338.532481][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.532515][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.532538][ T32] task:kworker/1:657 state:D stack:0 pid:5196 tgid:5196 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.532650][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.532824][ T32] Call trace: [ 1338.533424][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1338.533517][ T32] r10:8291880c r9:eb6c1d84 r8:00000002 r7:60000013 r6:eb6c1d8c r5:85508c00 [ 1338.533544][ T32] r4:85508c00 [ 1338.533564][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1338.534295][ T32] r5:85508c00 r4:82918808 [ 1338.534818][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.534870][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.534915][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb6c1e08 [ 1338.536995][ T32] r4:00000000 [ 1338.537060][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1338.538069][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1338.538129][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.538228][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855fb840 [ 1338.538264][ T32] r4:00000000 [ 1338.538286][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.538334][ T32] r9:83018205 r8:85508c00 r7:00000000 r6:83018200 r5:00001000 r4:7f085000 [ 1338.538642][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.538985][ T32] r5:00001000 r4:eb5e1000 [ 1338.539008][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.539056][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1338.539445][ T32] r10:61c88647 r9:85508c00 r8:855f29ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1338.568447][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1338.569370][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.569393][ T32] r4:00000000 [ 1338.569440][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.569483][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.569541][ T32] 9d20: bfac5000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.569618][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.569676][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.569745][ T32] r5:80070013 r4:80239bb0 [ 1338.569781][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.587554][ T32] r4:82ac11a4 [ 1338.587606][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.587681][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.587706][ T32] r4:e47b9dc0 [ 1338.587754][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.587805][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.587828][ T32] r4:00000000 [ 1338.587940][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.588015][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.588044][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.588133][ T32] r5:00001000 r4:ece91000 [ 1338.588235][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.588281][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.588325][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.588411][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.588462][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.588511][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.588560][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.588582][ T32] r4:8454d780 [ 1338.588602][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.588659][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.588820][ T32] r4:00000001 [ 1338.588877][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.588980][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.589016][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.589096][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.589128][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.589223][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.589277][ T32] r4:84e5a340 [ 1338.589306][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.589336][ T32] INFO: task kworker/0:375:5198 blocked for more than 465 seconds. [ 1338.589459][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1338.589660][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1338.600747][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1338.601694][ T32] r5:00001000 r4:ea9f1000 [ 1338.601719][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.601789][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1338.601861][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1338.602149][ T32] r10:00000000 r9:854ac780 r8:8027f5e8 r7:eb715e60 r6:854ac800 r5:8550e000 ** 8 printk messages dropped ** [ 1338.603111][ T32] INFO: task kworker/0:375:5198 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 5 printk messages dropped ** [ 1338.603589][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1338.603937][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1338.604425][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.604466][ T32] r5:00001000 r4:ece91000 [ 1338.604512][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.604555][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.604599][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.604649][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.604719][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.604743][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.604790][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.604814][ T32] r4:8454d780 [ 1338.605075][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.605127][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.605178][ T32] r4:00000001 [ 1338.605201][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.605238][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.605266][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.605299][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.605326][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.605382][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.605408][ T32] r4:84e5a340 [ 1338.605430][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.605458][ T32] INFO: task kworker/1:658:5199 blocked for more than 465 seconds. [ 1338.605493][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.605518][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.605613][ T32] task:kworker/1:658 state:D stack:0 pid:5199 tgid:5199 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.605663][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.605762][ T32] Call trace: [ 1338.605979][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1338.606036][ T32] r10:8291880c r9:eb7e1d84 r8:00000002 r7:60000113 r6:eb7e1d8c r5:8550ec00 [ 1338.606063][ T32] r4:8550ec00 [ 1338.606213][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1338.606272][ T32] r5:8550ec00 r4:82918808 [ 1338.606293][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.606329][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.606575][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb7e1e08 [ 1338.606602][ T32] r4:00000000 [ 1338.606622][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1338.606657][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1338.607143][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.607193][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855fb640 ** 4 printk messages dropped ** [ 1338.609011][ T32] r5:00001000 r4:eb537000 [ 1338.609834][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1338.634449][ T32] r5:855c3f8c r4:855c3c00 ** 3 printk messages dropped ** [ 1338.636983][ T32] r10:61c88647 r9:8550ec00 r8:855f2a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1338.637519][ T32] r4:855fb300 ** 3 printk messages dropped ** [ 1338.638422][ T32] Call trace: ** 4 printk messages dropped ** [ 1338.638861][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 7 printk messages dropped ** [ 1338.639252][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 9 printk messages dropped ** [ 1338.668618][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1338.669316][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1338.670745][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1338.671044][ T32] r4:8550c800 ** 3 printk messages dropped ** [ 1338.672467][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1338.674773][ T32] r5:00001000 r4:eb54f000 [ 1338.674910][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1338.675206][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1338.675902][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1338.676742][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1338.677114][ T32] r4:82ac11a4 [ 1338.677134][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.677180][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.677218][ T32] r4:e47b9dc0 [ 1338.677241][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.677293][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.677317][ T32] r4:00000000 [ 1338.677336][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.677407][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.677459][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.677507][ T32] r5:00001000 r4:ece91000 [ 1338.677528][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.677579][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.677624][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.677644][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.677689][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.677737][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.677813][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.677840][ T32] r4:8454d780 [ 1338.677997][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.678044][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.678066][ T32] r4:00000001 [ 1338.678114][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.678180][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.678283][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.678317][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.678359][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.678391][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.678416][ T32] r4:84e5a340 [ 1338.678491][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.678601][ T32] INFO: task kworker/1:660:5205 blocked for more than 465 seconds. [ 1338.678638][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.678692][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.678719][ T32] task:kworker/1:660 state:D stack:0 pid:5205 tgid:5205 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.678764][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.678832][ T32] Call trace: [ 1338.678866][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1338.678914][ T32] r10:8291880c r9:eb80dd84 r8:00000002 r7:60000013 r6:eb80dd8c r5:84d00c00 [ 1338.678966][ T32] r4:84d00c00 [ 1338.679044][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1338.679147][ T32] r5:84d00c00 r4:82918808 [ 1338.679172][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.679209][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.679252][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb80de08 [ 1338.679274][ T32] r4:00000000 [ 1338.679303][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1338.679338][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1338.679374][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.679416][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855fbb00 [ 1338.679437][ T32] r4:00000000 [ 1338.679456][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1338.679560][ T32] r5:00001000 r4:eb609000 [ 1338.679592][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.679635][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1338.703372][ T32] r7:ddde2d80 r6:83018200 r5:855ccf8c r4:855f2b00 ** 7 printk messages dropped ** [ 1338.703722][ T32] Exception stack(0xeb80dfb0 to 0xeb80dff8) ** 6 printk messages dropped ** [ 1338.704618][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1338.705179][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1338.705517][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1338.705870][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1338.706379][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1338.706567][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1338.706741][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1338.707101][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1338.707598][ T32] r5:00001000 r4:eb5f5000 [ 1338.707621][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1338.707738][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1338.708131][ T32] Exception stack(0xeb7e5fb0 to 0xeb7e5ff8) ** 6 printk messages dropped ** [ 1338.708696][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1338.709416][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 13 printk messages dropped ** [ 1338.724549][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1338.724680][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1338.724824][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.724847][ T32] r4:00000001 [ 1338.724866][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.724902][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.724960][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.725024][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.725093][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.725128][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.725151][ T32] r4:84e5a340 [ 1338.725174][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.725203][ T32] INFO: task kworker/1:662:5208 blocked for more than 465 seconds. [ 1338.725252][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.725316][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.725343][ T32] task:kworker/1:662 state:D stack:0 pid:5208 tgid:5208 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.725427][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.725481][ T32] Call trace: [ 1338.725549][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1338.725630][ T32] r10:8291880c r9:eb801d84 r8:00000002 r7:60000013 r6:eb801d8c r5:85562400 [ 1338.725657][ T32] r4:85562400 [ 1338.725706][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1338.725749][ T32] r5:85562400 r4:82918808 [ 1338.725797][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.725842][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.725914][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb801e08 [ 1338.725941][ T32] r4:00000000 [ 1338.725961][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1338.725997][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1338.726040][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.726084][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855fbc80 [ 1338.726105][ T32] r4:00000000 [ 1338.726125][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.726168][ T32] r9:83018205 r8:85562400 r7:00000000 r6:83018200 r5:00001000 r4:7f08b000 [ 1338.726227][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.726296][ T32] r5:00001000 r4:eb657000 [ 1338.726350][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.726399][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.726484][ T32] r5:855cd38c r4:855cd000 [ 1338.726509][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.726557][ T32] r7:ddde2d80 r6:83018200 r5:855cd38c r4:855f2c80 [ 1338.726579][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.726623][ T32] r10:61c88647 r9:85562400 r8:855f2cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.726645][ T32] r4:855f2c80 [ 1338.726664][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.726706][ T32] r10:00000000 r9:855f2c80 r8:8027f5e8 r7:eb80de60 r6:855f2d00 r5:85562400 [ 1338.726776][ T32] r4:00000001 [ 1338.726810][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.726886][ T32] Exception stack(0xeb801fb0 to 0xeb801ff8) [ 1338.726917][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1338.726948][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.727045][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.727118][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.727148][ T32] r4:855fb900 [ 1338.727690][ T32] INFO: task kworker/1:662:5208 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.727943][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.728259][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.728320][ T32] Call trace: [ 1338.728409][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.728477][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.728633][ T32] r4:00000000 [ 1338.728678][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.728720][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.728751][ T32] 9d20: c0b60000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.728780][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.728806][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.728831][ T32] r5:80070013 r4:80239bb0 [ 1338.728851][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.728897][ T32] r4:82ac11a4 [ 1338.728918][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.728992][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.729022][ T32] r4:e47b9dc0 [ 1338.729048][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.729092][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.729116][ T32] r4:00000000 [ 1338.729135][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.729180][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.729233][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1338.729410][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1338.729611][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1338.748034][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1338.748412][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1338.748688][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1338.748883][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.748967][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855fbe40 [ 1338.749005][ T32] r4:00000000 [ 1338.749031][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.749115][ T32] r9:83018205 r8:85563000 r7:00000000 r6:83018200 r5:00001000 r4:7f08d000 [ 1338.749198][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.749246][ T32] r5:00001000 r4:eb679000 [ 1338.749270][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.749316][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.749358][ T32] r5:855cd78c r4:855cd400 [ 1338.749379][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.749426][ T32] r7:ddde2d80 r6:83018200 r5:855cd78c r4:855f2d80 [ 1338.749531][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.749610][ T32] r10:61c88647 r9:85563000 r8:855f2dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.749730][ T32] r4:855f2d80 [ 1338.763628][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.763930][ T32] r10:00000000 r9:855f2d80 r8:8027f5e8 r7:eb801e60 r6:855f2e00 r5:85563000 [ 1338.764042][ T32] r4:00000001 [ 1338.764122][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.764223][ T32] Exception stack(0xeb811fb0 to 0xeb811ff8) [ 1338.764311][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1338.764404][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.764475][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.764571][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.764637][ T32] r4:855fb900 [ 1338.765291][ T32] INFO: task kworker/1:663:5209 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.765362][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.765472][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.765532][ T32] Call trace: [ 1338.765611][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.765666][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.765720][ T32] r4:00000000 [ 1338.765745][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.765786][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.765816][ T32] 9d20: c11b3000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.765846][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.765874][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.765937][ T32] r5:80070013 r4:80239bb0 [ 1338.766043][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.766165][ T32] r4:82ac11a4 [ 1338.766256][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.766382][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.766446][ T32] r4:e47b9dc0 [ 1338.766500][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.766603][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.766654][ T32] r4:00000000 [ 1338.766703][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.766827][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.766887][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.766983][ T32] r5:00001000 r4:ece91000 [ 1338.767040][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.767139][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.767264][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.767356][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1338.767665][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1338.768382][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1338.768952][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1338.769534][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1338.779176][ T32] r5:00001000 r4:eb691000 [ 1338.779229][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1338.779580][ T32] r7:ddde2d80 r6:83018200 r5:855cdb8c r4:855f2e80 ** 7 printk messages dropped ** [ 1338.782182][ T32] Exception stack(0xeb815fb0 to 0xeb815ff8) ** 6 printk messages dropped ** [ 1338.782903][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1338.783252][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.783288][ T32] 9d20: c11b3000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.783360][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.783452][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.783521][ T32] r5:80070013 r4:80239bb0 [ 1338.783573][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.783670][ T32] r4:82ac11a4 [ 1338.783715][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.783815][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.783872][ T32] r4:e47b9dc0 [ 1338.783927][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.784035][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.784095][ T32] r4:00000000 [ 1338.784143][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.784249][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.784310][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.784424][ T32] r5:00001000 r4:ece91000 [ 1338.784479][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.784574][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.784681][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.784837][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.784964][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.785018][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.785141][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.785205][ T32] r4:8454d780 [ 1338.785253][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.785361][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.785419][ T32] r4:00000001 [ 1338.785526][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.785620][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.785683][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.785765][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.785834][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.785898][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.785967][ T32] r4:84e5a340 [ 1338.786022][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.786133][ T32] INFO: task kworker/1:665:5215 blocked for more than 465 seconds. [ 1338.786292][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.786361][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.786411][ T32] task:kworker/1:665 state:D stack:0 pid:5215 tgid:5215 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1338.786890][ T32] r4:85564800 ** 4 printk messages dropped ** [ 1338.787326][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb81de08 ** 9 printk messages dropped ** [ 1338.787738][ T32] r5:00001000 r4:eb827000 [ 1338.787758][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.787837][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1338.788159][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1338.788571][ T32] r4:855fbd40 ** 3 printk messages dropped ** [ 1338.789111][ T32] Call trace: ** 4 printk messages dropped ** [ 1338.789381][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 5 printk messages dropped ** [ 1338.789552][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1338.822890][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1338.823951][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1338.824555][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1338.825289][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1338.825865][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1338.826780][ T32] r9:83018205 r8:85565400 r7:00000000 r6:83018200 r5:00001000 r4:7f091000 ** 1 printk messages dropped ** [ 1338.826955][ T32] r5:00001000 r4:eb6c9000 ** 4 printk messages dropped ** [ 1338.827471][ T32] r7:ddde2d80 r6:83018200 r5:855cdf8c r4:85609080 ** 3 printk messages dropped ** [ 1338.827827][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.827925][ T32] r10:00000000 r9:85609080 r8:8027f5e8 r7:eb81de60 r6:85609100 r5:85565400 [ 1338.828027][ T32] r4:00000001 [ 1338.828083][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.828175][ T32] Exception stack(0xeb7f9fb0 to 0xeb7f9ff8) [ 1338.828236][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.828310][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.828399][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.828470][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.828552][ T32] r4:855fbd40 [ 1338.829428][ T32] INFO: task kworker/1:666:5216 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.829514][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.829677][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.850571][ T32] Call trace: [ 1338.850784][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.850944][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.851004][ T32] r4:00000000 [ 1338.851066][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.851165][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.851273][ T32] 9d20: c184f000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.851356][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.851414][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.851464][ T32] r5:80070013 r4:80239bb0 [ 1338.851506][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.851605][ T32] r4:82ac11a4 [ 1338.851658][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.851753][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.851808][ T32] r4:e47b9dc0 [ 1338.851857][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.851955][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.852007][ T32] r4:00000000 [ 1338.852062][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.852177][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.852230][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.852327][ T32] r5:00001000 r4:ece91000 [ 1338.852371][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.852458][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.852557][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.852605][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.852720][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.852777][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.852877][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1338.853454][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1338.854252][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1338.854839][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1338.855696][ T32] r9:83018205 r8:85566000 r7:00000000 r6:83018200 r5:00001000 r4:7f097000 ** 1 printk messages dropped ** [ 1338.855836][ T32] r5:00001000 r4:eb83f000 ** 1 printk messages dropped ** [ 1338.855970][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1338.856717][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1338.857213][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1338.858842][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1338.859251][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 11 printk messages dropped ** [ 1338.884221][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 10 printk messages dropped ** [ 1338.884905][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 10 printk messages dropped ** [ 1338.885545][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1338.886022][ T32] r4:85566c00 ** 4 printk messages dropped ** [ 1338.886396][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb831e08 ** 3 printk messages dropped ** [ 1338.886629][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.886701][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8560f040 [ 1338.886759][ T32] r4:00000000 [ 1338.886838][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.886914][ T32] r9:83018205 r8:85566c00 r7:00000000 r6:83018200 r5:00001000 r4:7f095000 [ 1338.886949][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.887038][ T32] r5:00001000 r4:eb833000 [ 1338.887080][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.887145][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.887245][ T32] r5:855ce78c r4:855ce400 [ 1338.887301][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.887377][ T32] r7:ddde2d80 r6:83018200 r5:855ce78c r4:85609280 [ 1338.887410][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.887482][ T32] r10:61c88647 r9:85566c00 r8:856092ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.887523][ T32] r4:85609280 [ 1338.887558][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.887629][ T32] r10:00000000 r9:85609280 r8:8027f5e8 r7:eb825e60 r6:85609300 r5:85566c00 [ 1338.887686][ T32] r4:00000001 [ 1338.887721][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.887781][ T32] Exception stack(0xeb831fb0 to 0xeb831ff8) [ 1338.887835][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1338.887884][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.887929][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.887998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.888036][ T32] r4:8560f080 [ 1338.888847][ T32] INFO: task kworker/1:668:5220 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.888925][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.889033][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.889151][ T32] Call trace: [ 1338.889259][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.889342][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.889380][ T32] r4:00000000 [ 1338.889422][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.889486][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.889532][ T32] 9d20: c1b2b000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.889578][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.889648][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.889690][ T32] r5:80070013 r4:80239bb0 [ 1338.889724][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.910957][ T32] r4:82ac11a4 [ 1338.911086][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.911253][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.911314][ T32] r4:e47b9dc0 [ 1338.911361][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.911452][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.911530][ T32] r4:00000000 [ 1338.911619][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.911736][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.911844][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.911952][ T32] r5:00001000 r4:ece91000 [ 1338.912001][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.912117][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.912218][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.912264][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.912360][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.912402][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.912492][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.912544][ T32] r4:8454d780 [ 1338.912653][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.912760][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.912810][ T32] r4:00000001 [ 1338.912854][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1338.913228][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1338.913862][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1338.914549][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb83de08 ** 8 printk messages dropped ** [ 1338.915146][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1338.915360][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1338.915791][ T32] r10:00000000 r9:85609380 r8:8027f5e8 r7:eb825e60 r6:85609400 r5:85561800 ** 9 printk messages dropped ** [ 1338.917097][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1338.917994][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1338.918335][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.918374][ T32] r4:00000000 [ 1338.918417][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.918532][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.918578][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.918667][ T32] r5:00001000 r4:ece91000 [ 1338.918723][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.918791][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.918857][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.918888][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.918960][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.918993][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.919069][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.919106][ T32] r4:8454d780 [ 1338.919243][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.919319][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.919356][ T32] r4:00000001 [ 1338.919387][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.919443][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.919484][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.919528][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.919570][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.919637][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.919676][ T32] r4:84e5a340 [ 1338.919708][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.919797][ T32] INFO: task kworker/1:670:5225 blocked for more than 465 seconds. [ 1338.950561][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.950672][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.950723][ T32] task:kworker/1:670 state:D stack:0 pid:5225 tgid:5225 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.950819][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.950914][ T32] Call trace: [ 1338.950966][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1338.951068][ T32] r10:8291880c r9:eb855d84 r8:00000002 r7:60000113 r6:eb855d8c r5:8555b000 [ 1338.951106][ T32] r4:8555b000 [ 1338.951139][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1338.951217][ T32] r5:8555b000 r4:82918808 [ 1338.951266][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1338.951346][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1338.951436][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb855e08 ** 2 printk messages dropped ** [ 1338.951603][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1338.952142][ T32] r5:00001000 r4:eb857000 [ 1338.952189][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1338.952372][ T32] r5:855cf38c r4:855cf000 ** 5 printk messages dropped ** [ 1338.952761][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 9 printk messages dropped ** [ 1338.954439][ T32] INFO: task kworker/1:670:5225 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 9 printk messages dropped ** [ 1338.955372][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 12 printk messages dropped ** [ 1338.956351][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1338.957012][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1338.957689][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1338.958397][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1338.959193][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb861e08 ** 9 printk messages dropped ** [ 1338.973533][ T32] r5:00001000 r4:eb863000 [ 1338.973594][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.973690][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.973787][ T32] r5:855cf78c r4:855cf400 [ 1338.973837][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.973941][ T32] r7:ddde2d80 r6:83018200 r5:855cf78c r4:85609580 [ 1338.973997][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.974124][ T32] r10:61c88647 r9:8555d400 r8:856095ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.974180][ T32] r4:85609580 [ 1338.974271][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.974377][ T32] r10:00000000 r9:85609580 r8:8027f5e8 r7:eb855e60 r6:85609600 r5:8555d400 [ 1338.974435][ T32] r4:00000001 [ 1338.974485][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.974600][ T32] Exception stack(0xeb861fb0 to 0xeb861ff8) [ 1338.974682][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1338.974771][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.974856][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.974947][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.975012][ T32] r4:8560f440 [ 1338.975872][ T32] INFO: task kworker/1:671:5227 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1338.975937][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.976063][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.976141][ T32] Call trace: [ 1338.976215][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1338.976305][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1338.976362][ T32] r4:00000000 [ 1338.976399][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1338.976460][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1338.976507][ T32] 9d20: c236e000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1338.976554][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1338.976595][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1338.976635][ T32] r5:80070013 r4:80239bb0 [ 1338.976669][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1338.976742][ T32] r4:82ac11a4 [ 1338.976802][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1338.976885][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1338.976922][ T32] r4:e47b9dc0 [ 1338.976956][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1338.977054][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1338.977098][ T32] r4:00000000 [ 1338.977156][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1338.977250][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1338.977290][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1338.977363][ T32] r5:00001000 r4:ece91000 [ 1338.977422][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1338.977492][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1338.977564][ T32] r5:85a7af8c r4:85a7ac00 [ 1338.977597][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1338.977672][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1338.977706][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1338.977805][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1338.977846][ T32] r4:8454d780 [ 1338.977905][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1338.977980][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1338.978018][ T32] r4:00000001 [ 1338.978054][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1338.978140][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1338.978186][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1338.978261][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1338.978307][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1338.978354][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1338.978392][ T32] r4:84e5a340 [ 1338.978428][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1338.978500][ T32] INFO: task kworker/1:672:5228 blocked for more than 465 seconds. [ 1338.978559][ T32] Not tainted 6.15.0-syzkaller #0 [ 1338.978600][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1338.978656][ T32] task:kworker/1:672 state:D stack:0 pid:5228 tgid:5228 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1338.978732][ T32] Workqueue: events bpf_prog_free_deferred [ 1338.978797][ T32] Call trace: [ 1338.978845][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1338.978921][ T32] r10:8291880c r9:eb849d84 r8:00000002 r7:60000113 r6:eb849d8c r5:85620000 ** 3 printk messages dropped ** [ 1338.979165][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1339.003320][ T32] r9:83018205 r8:85620000 r7:00000000 r6:83018200 r5:00001000 r4:7f0ad000 ** 1 printk messages dropped ** [ 1339.003694][ T32] r5:00001000 r4:eb86f000 ** 3 printk messages dropped ** [ 1339.004019][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1339.004527][ T32] Exception stack(0xeb849fb0 to 0xeb849ff8) [ 1339.004693][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.004744][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.004788][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.004835][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.004898][ T32] r4:8560f5c0 [ 1339.005699][ T32] INFO: task kworker/1:672:5228 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.005755][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.005940][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.006067][ T32] Call trace: [ 1339.006319][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.006411][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.006448][ T32] r4:00000000 [ 1339.006488][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.006549][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.006595][ T32] 9d20: c25f3000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.006775][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.006821][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.006861][ T32] r5:80070013 r4:80239bb0 [ 1339.006893][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.006966][ T32] r4:82ac11a4 [ 1339.006998][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.007080][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.007116][ T32] r4:e47b9dc0 [ 1339.007148][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.007218][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.007268][ T32] r4:00000000 [ 1339.007305][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.007406][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.007445][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.007644][ T32] r5:00001000 r4:ece91000 [ 1339.007707][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.007786][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.007855][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.007920][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.008025][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1339.008066][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.008157][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.008200][ T32] r4:8454d780 [ 1339.008232][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.008323][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.008404][ T32] r4:00000001 [ 1339.008438][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.008648][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.008695][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.008741][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.008784][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.008829][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.008906][ T32] r4:84e5a340 [ 1339.008998][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.009055][ T32] INFO: task kworker/1:673:5230 blocked for more than 465 seconds. [ 1339.009111][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.009149][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.009278][ T32] task:kworker/1:673 state:D stack:0 pid:5230 tgid:5230 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.009360][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.009494][ T32] Call trace: [ 1339.009644][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.009722][ T32] r10:8291880c r9:eb86dd84 r8:00000002 r7:60000013 r6:eb86dd8c r5:85620c00 [ 1339.009792][ T32] r4:85620c00 [ 1339.026242][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.026337][ T32] r5:85620c00 r4:82918808 [ 1339.026361][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 2 printk messages dropped ** [ 1339.026465][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1339.026697][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8559b300 ** 4 printk messages dropped ** [ 1339.026864][ T32] r5:00001000 r4:dfa53000 [ 1339.026884][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1339.026984][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1339.027377][ T32] Exception stack(0xeb86dfb0 to 0xeb86dff8) ** 6 printk messages dropped ** [ 1339.028181][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1339.028898][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1339.029142][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1339.029313][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 7 printk messages dropped ** [ 1339.029672][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 10 printk messages dropped ** [ 1339.043154][ T32] INFO: task kworker/1:674:5231 blocked for more than 465 seconds. ** 6 printk messages dropped ** [ 1339.043560][ T32] r10:8291880c r9:eb885d84 r8:00000002 r7:60000113 r6:eb885d8c r5:85622400 ** 9 printk messages dropped ** [ 1339.044009][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1339.044252][ T32] r5:00001000 r4:eb87b000 ** 1 printk messages dropped ** [ 1339.044319][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1339.044699][ T32] Exception stack(0xeb885fb0 to 0xeb885ff8) ** 6 printk messages dropped ** [ 1339.045541][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1339.046135][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1339.046351][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1339.046742][ T32] r5:85a7af8c r4:85a7ac00 ** 2 printk messages dropped ** [ 1339.046908][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.046956][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.047021][ T32] r4:8454d780 [ 1339.047144][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.047208][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.047234][ T32] r4:00000001 [ 1339.047280][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.047414][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.047444][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.047512][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.047543][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.047572][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.047593][ T32] r4:84e5a340 [ 1339.047613][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.047641][ T32] INFO: task kworker/0:376:5234 blocked for more than 465 seconds. [ 1339.047669][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.047731][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.047756][ T32] task:kworker/0:376 state:D stack:0 pid:5234 tgid:5234 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.047872][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.048014][ T32] Call trace: [ 1339.048067][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.048214][ T32] r10:8291880c r9:eb895d84 r8:00000002 r7:60000113 r6:eb895d8c r5:85621800 [ 1339.048244][ T32] r4:85621800 [ 1339.048266][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.048333][ T32] r5:85621800 r4:82918808 [ 1339.048357][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.048435][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.048524][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb895e08 [ 1339.048551][ T32] r4:00000000 [ 1339.048571][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.048635][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.048742][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.048789][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8561a380 [ 1339.048811][ T32] r4:00000000 [ 1339.048830][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.048873][ T32] r9:83018005 r8:85621800 r7:00000000 r6:83018000 r5:00001000 r4:7f037000 [ 1339.048895][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.048939][ T32] r5:00001000 r4:dfe7b000 [ 1339.049122][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.049194][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.049239][ T32] r5:855d8b8c r4:855d8800 [ 1339.049259][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.049302][ T32] r7:dddced80 r6:83018000 r5:855d8b8c r4:854aca00 [ 1339.049349][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.049426][ T32] r10:61c88647 r9:85621800 r8:854aca2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1339.049453][ T32] r4:854aca00 [ 1339.049473][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.049670][ T32] r10:00000000 r9:854aca00 r8:8027f5e8 r7:eb7f5e60 r6:85609980 r5:85621800 [ 1339.049696][ T32] r4:00000001 [ 1339.049717][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.049823][ T32] Exception stack(0xeb895fb0 to 0xeb895ff8) [ 1339.070304][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1339.070367][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.070397][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1339.070980][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 14 printk messages dropped ** [ 1339.071940][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 9 printk messages dropped ** [ 1339.072288][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1339.072722][ T32] r4:00000001 ** 1 printk messages dropped ** [ 1339.072870][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.072969][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.073046][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.073105][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.073137][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.073160][ T32] r4:84e5a340 [ 1339.073181][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.073209][ T32] INFO: task kworker/1:675:5235 blocked for more than 465 seconds. [ 1339.073242][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.073268][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.073323][ T32] task:kworker/1:675 state:D stack:0 pid:5235 tgid:5235 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.073462][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.073504][ T32] Call trace: [ 1339.073535][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.073583][ T32] r10:8291880c r9:eb891d84 r8:00000002 r7:60000113 r6:eb891d8c r5:85623c00 [ 1339.073629][ T32] r4:85623c00 [ 1339.073654][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.073696][ T32] r5:85623c00 r4:82918808 [ 1339.073742][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.073855][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.073903][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb891e08 [ 1339.073925][ T32] r4:00000000 [ 1339.073944][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.073978][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.074015][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.074065][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8560ff00 [ 1339.074089][ T32] r4:00000000 [ 1339.074134][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.074217][ T32] r9:83018205 r8:85623c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0c5000 [ 1339.074407][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.074452][ T32] r5:00001000 r4:eb897000 [ 1339.074472][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.074510][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.074551][ T32] r5:855d838c r4:855d8000 [ 1339.074570][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.074612][ T32] r7:ddde2d80 r6:83018200 r5:855d838c r4:85609a00 [ 1339.074633][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.074676][ T32] r10:61c88647 r9:85623c00 r8:85609a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.074700][ T32] r4:85609a00 [ 1339.074719][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.074787][ T32] r10:00000000 r9:85609a00 r8:8027f5e8 r7:eb86de60 r6:85609a80 r5:85623c00 [ 1339.074816][ T32] r4:00000001 [ 1339.074903][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.074944][ T32] Exception stack(0xeb891fb0 to 0xeb891ff8) [ 1339.074972][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1339.074999][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.075027][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.075062][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.075085][ T32] r4:8560fc40 [ 1339.075426][ T32] INFO: task kworker/1:675:5235 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.075458][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.075514][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.075557][ T32] Call trace: [ 1339.075587][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.075633][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.075681][ T32] r4:00000000 [ 1339.075705][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.075747][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.075960][ T32] 9d20: c2e26000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.075992][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.076029][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.076064][ T32] r5:80070013 r4:80239bb0 [ 1339.076085][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.076129][ T32] r4:82ac11a4 [ 1339.076174][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.076225][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.076249][ T32] r4:e47b9dc0 [ 1339.076358][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.076411][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.076456][ T32] r4:00000000 [ 1339.076481][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.076528][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.076551][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1339.076686][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1339.077111][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 6 printk messages dropped ** [ 1339.077375][ T32] INFO: task kworker/1:676:5237 blocked for more than 465 seconds. ** 8 printk messages dropped ** [ 1339.077976][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 9 printk messages dropped ** [ 1339.078491][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1339.078616][ T32] r5:00001000 r4:e0701000 [ 1339.078668][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1339.078840][ T32] r7:ddde2d80 r6:83018200 r5:855d8f8c r4:85609b00 ** 7 printk messages dropped ** [ 1339.079228][ T32] Exception stack(0xeb7c1fb0 to 0xeb7c1ff8) ** 6 printk messages dropped ** [ 1339.079760][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 14 printk messages dropped ** [ 1339.111695][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 12 printk messages dropped ** [ 1339.112410][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 6 printk messages dropped ** [ 1339.112633][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 10 printk messages dropped ** [ 1339.113066][ T32] task:kworker/0:377 state:D stack:0 pid:5241 tgid:5241 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1339.113589][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1339.113944][ T32] r5:00001000 r4:eb361000 ** 1 printk messages dropped ** [ 1339.114037][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1339.114522][ T32] Exception stack(0xeb8adfb0 to 0xeb8adff8) ** 7 printk messages dropped ** [ 1339.115357][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1339.115625][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.115654][ T32] 9d20: c3655000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.115683][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.115708][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.115744][ T32] r5:80070013 r4:80239bb0 [ 1339.115772][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.115832][ T32] r4:82ac11a4 [ 1339.115855][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.115904][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.115927][ T32] r4:e47b9dc0 [ 1339.115947][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.115990][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.116012][ T32] r4:00000000 [ 1339.116107][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.116158][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.116180][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.116219][ T32] r5:00001000 r4:ece91000 [ 1339.116238][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.116279][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.116395][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.116419][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.116466][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1339.116487][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.116531][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.116604][ T32] r4:8454d780 [ 1339.116628][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.116671][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.116713][ T32] r4:00000001 [ 1339.116748][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.116821][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.116852][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.116905][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.116961][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.117019][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.117049][ T32] r4:84e5a340 [ 1339.117074][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.117100][ T32] INFO: task kworker/1:677:5243 blocked for more than 465 seconds. [ 1339.117130][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.117153][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.117225][ T32] task:kworker/1:677 state:D stack:0 pid:5243 tgid:5243 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.117276][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.117318][ T32] Call trace: [ 1339.117347][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.117392][ T32] r10:8291880c r9:eb8a9d84 r8:00000002 r7:60000013 r6:eb8a9d8c r5:85624800 [ 1339.117413][ T32] r4:85624800 [ 1339.117482][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.117524][ T32] r5:85624800 r4:82918808 [ 1339.117576][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.117616][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.117657][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8a9e08 [ 1339.117683][ T32] r4:00000000 [ 1339.117704][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.117739][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.117777][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.117820][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8561a7c0 [ 1339.117867][ T32] r4:00000000 [ 1339.117890][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.117934][ T32] r9:83018205 r8:85624800 r7:00000000 r6:83018200 r5:00001000 r4:7f03b000 [ 1339.117956][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.117996][ T32] r5:00001000 r4:ea951000 [ 1339.118016][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.118111][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.118158][ T32] r5:855d938c r4:855d9000 [ 1339.118179][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1339.118501][ T32] r10:00000000 r9:85609c80 r8:8027f5e8 r7:eb7c1e60 r6:85609d00 r5:85624800 ** 9 printk messages dropped ** [ 1339.119235][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1339.137946][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1339.138532][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 10 printk messages dropped ** [ 1339.139021][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1339.139548][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1339.152666][ T32] Call trace: ** 6 printk messages dropped ** [ 1339.153039][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1339.153517][ T32] r5:00001000 r4:eac4d000 [ 1339.153567][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1339.153781][ T32] r7:ddde2d80 r6:83018200 r5:855d978c r4:85609d80 ** 4 printk messages dropped ** [ 1339.154109][ T32] r10:00000000 r9:85609d80 r8:8027f5e8 r7:eb8a9e60 r6:85609e00 r5:85626c00 ** 9 printk messages dropped ** [ 1339.155029][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.155094][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.155204][ T32] Call trace: [ 1339.155265][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.155317][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.155367][ T32] r4:00000000 [ 1339.155394][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.155448][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.155480][ T32] 9d20: c39ca000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.155508][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.155533][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.155634][ T32] r5:80070013 r4:80239bb0 [ 1339.155658][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.155704][ T32] r4:82ac11a4 [ 1339.155724][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.155769][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.155792][ T32] r4:e47b9dc0 [ 1339.155811][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.155917][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.155968][ T32] r4:00000000 [ 1339.155991][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.156036][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.156063][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.156207][ T32] r5:00001000 r4:ece91000 [ 1339.156231][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.156395][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.156441][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.156536][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.156588][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1339.156609][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.156658][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.156682][ T32] r4:8454d780 [ 1339.156702][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.156744][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.156766][ T32] r4:00000001 [ 1339.156809][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.156868][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.156924][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.156956][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.156985][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.157012][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.157049][ T32] r4:84e5a340 [ 1339.157077][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.157119][ T32] INFO: task kworker/1:679:5247 blocked for more than 465 seconds. [ 1339.157149][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.157191][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.157217][ T32] task:kworker/1:679 state:D stack:0 pid:5247 tgid:5247 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.157288][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.157409][ T32] Call trace: [ 1339.157475][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.157525][ T32] r10:8291880c r9:eb8a1d84 r8:00000002 r7:60000013 r6:eb8a1d8c r5:85625400 [ 1339.157549][ T32] r4:85625400 [ 1339.157568][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.157607][ T32] r5:85625400 r4:82918808 [ 1339.157626][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.157660][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.157701][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8a1e08 [ 1339.157723][ T32] r4:00000000 [ 1339.157742][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 5 printk messages dropped ** [ 1339.158103][ T32] r9:83018205 r8:85625400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000 ** 1 printk messages dropped ** [ 1339.158220][ T32] r5:00001000 r4:ead73000 ** 4 printk messages dropped ** [ 1339.158438][ T32] r7:ddde2d80 r6:83018200 r5:855d9f8c r4:85609e80 ** 8 printk messages dropped ** [ 1339.158800][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 14 printk messages dropped ** [ 1339.183490][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 15 printk messages dropped ** [ 1339.184413][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1339.184754][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1339.184900][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.184928][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.184949][ T32] r4:84e5a340 [ 1339.184973][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.185004][ T32] INFO: task kworker/1:680:5249 blocked for more than 465 seconds. [ 1339.185038][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.185094][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.185148][ T32] task:kworker/1:680 state:D stack:0 pid:5249 tgid:5249 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.185240][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.185285][ T32] Call trace: [ 1339.185372][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.185447][ T32] r10:8291880c r9:eb8b1d84 r8:00000002 r7:60000113 r6:eb8b1d8c r5:85628000 [ 1339.185499][ T32] r4:85628000 [ 1339.185562][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.185607][ T32] r5:85628000 r4:82918808 [ 1339.185629][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.185672][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.185722][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8b1e08 [ 1339.185747][ T32] r4:00000000 [ 1339.185767][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.185822][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.185864][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.185932][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8561aac0 [ 1339.185959][ T32] r4:00000000 [ 1339.185979][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.186023][ T32] r9:83018205 r8:85628000 r7:00000000 r6:83018200 r5:00001000 r4:7f03f000 [ 1339.186049][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.186091][ T32] r5:00001000 r4:ead09000 [ 1339.186111][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.186172][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.186241][ T32] r5:855d9b8c r4:855d9800 [ 1339.186263][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.186308][ T32] r7:ddde2d80 r6:83018200 r5:855d9b8c r4:85609f80 [ 1339.186330][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.186386][ T32] r10:61c88647 r9:85628000 r8:85609fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.186413][ T32] r4:85609f80 [ 1339.186432][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 10 printk messages dropped ** [ 1339.187414][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1339.188038][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1339.188274][ T32] r4:00000000 ** 10 printk messages dropped ** [ 1339.188706][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 11 printk messages dropped ** [ 1339.189149][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 13 printk messages dropped ** [ 1339.189788][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8b5e08 ** 3 printk messages dropped ** [ 1339.200450][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.200494][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8561ad80 [ 1339.200516][ T32] r4:00000000 [ 1339.200535][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.200609][ T32] r9:83018205 r8:85628c00 r7:00000000 r6:83018200 r5:00001000 r4:7f043000 [ 1339.200637][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.200682][ T32] r5:00001000 r4:eae7d000 [ 1339.200727][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.200778][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.200849][ T32] r5:855da38c r4:855da000 [ 1339.200873][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.200949][ T32] r7:ddde2d80 r6:83018200 r5:855da38c r4:85615080 [ 1339.200986][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.201058][ T32] r10:61c88647 r9:85628c00 r8:856150ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.201103][ T32] r4:85615080 [ 1339.201127][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.201173][ T32] r10:00000000 r9:85615080 r8:8027f5e8 r7:eb8a1e60 r6:85615100 r5:85628c00 [ 1339.201197][ T32] r4:00000001 [ 1339.201241][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.201293][ T32] Exception stack(0xeb8b5fb0 to 0xeb8b5ff8) [ 1339.201350][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1339.201382][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.201411][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.201466][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.201492][ T32] r4:8561aa80 [ 1339.202002][ T32] INFO: task kworker/1:681:5251 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.202039][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.202136][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.202287][ T32] Call trace: [ 1339.202328][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.202385][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.202436][ T32] r4:00000000 [ 1339.202560][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.202603][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.202631][ T32] 9d20: c3f4a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.202660][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.202735][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.202763][ T32] r5:80070013 r4:80239bb0 [ 1339.202784][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.202829][ T32] r4:82ac11a4 [ 1339.202875][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.202926][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.202950][ T32] r4:e47b9dc0 [ 1339.202970][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.203011][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.203054][ T32] r4:00000000 [ 1339.203086][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.203133][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.203155][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1339.203462][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 13 printk messages dropped ** [ 1339.204206][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 9 printk messages dropped ** [ 1339.204574][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 9 printk messages dropped ** [ 1339.204886][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1339.205069][ T32] r5:00001000 r4:eb1d5000 [ 1339.205089][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1339.205380][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 11 printk messages dropped ** [ 1339.205898][ T32] r4:8561ab80 ** 10 printk messages dropped ** [ 1339.206758][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 23 printk messages dropped ** [ 1339.207803][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 22 printk messages dropped ** [ 1339.208907][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8bde08 ** 9 printk messages dropped ** [ 1339.209355][ T32] r5:00001000 r4:eb105000 [ 1339.209374][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1339.209634][ T32] r7:ddde2d80 r6:83018200 r5:855da78c r4:85615280 ** 7 printk messages dropped ** [ 1339.240447][ T32] Exception stack(0xeb8bdfb0 to 0xeb8bdff8) [ 1339.240478][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.240507][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.240549][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.240609][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.240636][ T32] r4:8561ae80 [ 1339.241156][ T32] INFO: task kworker/1:683:5255 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.241194][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.241349][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.241444][ T32] Call trace: [ 1339.241481][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.241552][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.241580][ T32] r4:00000000 [ 1339.241605][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.241670][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.241702][ T32] 9d20: c4678000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.241731][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.241756][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.241780][ T32] r5:80070013 r4:80239bb0 [ 1339.241838][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.241994][ T32] r4:82ac11a4 [ 1339.242023][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.242109][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.242159][ T32] r4:e47b9dc0 [ 1339.242184][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.242279][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.242333][ T32] r4:00000000 [ 1339.242357][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.242405][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.242428][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.242470][ T32] r5:00001000 r4:ece91000 [ 1339.242490][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.242527][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.242593][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.242617][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.242667][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 1 printk messages dropped ** [ 1339.242757][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 27 printk messages dropped ** [ 1339.243777][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1339.244156][ T32] r5:00001000 r4:eb17b000 ** 1 printk messages dropped ** [ 1339.244240][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1339.244551][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1339.244686][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1339.245384][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 10 printk messages dropped ** [ 1339.245825][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 1 printk messages dropped ** [ 1339.245892][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.245989][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.246048][ T32] r4:00000000 [ 1339.246074][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.246170][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.246220][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.246264][ T32] r5:00001000 r4:ece91000 [ 1339.246310][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.246354][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.246395][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.246416][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.246462][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1339.246481][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.246524][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.246546][ T32] r4:8454d780 [ 1339.246589][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.246635][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.246658][ T32] r4:00000001 [ 1339.246700][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.246839][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.246885][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.246917][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.247052][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.247087][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.247208][ T32] r4:84e5a340 [ 1339.247232][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 2 printk messages dropped ** [ 1339.247334][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 6 printk messages dropped ** [ 1339.248075][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.248240][ T32] r5:8562bc00 r4:82918808 [ 1339.248263][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.248319][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.248390][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8c5e08 [ 1339.248416][ T32] r4:00000000 [ 1339.248435][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.248497][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.248539][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.248581][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8565d300 [ 1339.248618][ T32] r4:00000000 [ 1339.248650][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.248694][ T32] r9:83018205 r8:8562bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f04d000 ** 1 printk messages dropped ** [ 1339.248754][ T32] r5:00001000 r4:eb283000 ** 9 printk messages dropped ** [ 1339.249141][ T32] r10:00000000 r9:85615480 r8:8027f5e8 r7:eb8b9e60 r6:85615500 r5:8562bc00 ** 10 printk messages dropped ** [ 1339.276465][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1339.276766][ T32] 9d20: c49a9000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 7 printk messages dropped ** [ 1339.277057][ T32] r4:e47b9dc0 ** 6 printk messages dropped ** [ 1339.277359][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1339.277709][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1339.278318][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1339.278764][ T32] Call trace: ** 5 printk messages dropped ** [ 1339.278980][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1339.286795][ T32] r5:00001000 r4:eb229000 [ 1339.286822][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1339.286928][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1339.287340][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1339.287495][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.287518][ T32] r4:8565d240 [ 1339.288033][ T32] INFO: task kworker/1:686:5261 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.288079][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.288198][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.288324][ T32] Call trace: [ 1339.288362][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.288414][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.288438][ T32] r4:00000000 [ 1339.288458][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.288495][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.288522][ T32] 9d20: c49a9000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.288550][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.288575][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.288599][ T32] r5:80070013 r4:80239bb0 [ 1339.288619][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.288663][ T32] r4:82ac11a4 [ 1339.288707][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.288759][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.288782][ T32] r4:e47b9dc0 [ 1339.288814][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.288863][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.288897][ T32] r4:00000000 [ 1339.288924][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.288994][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.289020][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.289092][ T32] r5:00001000 r4:ece91000 [ 1339.289116][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.289157][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.289224][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.289273][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.289322][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1339.289383][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.289486][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.289512][ T32] r4:8454d780 [ 1339.289532][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.289575][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.289597][ T32] r4:00000001 [ 1339.289616][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 2 printk messages dropped ** [ 1339.302934][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1339.303434][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1339.304031][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8d1e08 ** 7 printk messages dropped ** [ 1339.304359][ T32] r9:83018205 r8:8562e000 r7:00000000 r6:83018200 r5:00001000 r4:7f053000 ** 1 printk messages dropped ** [ 1339.304423][ T32] r5:00001000 r4:eb3d7000 [ 1339.304442][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1339.304540][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.304611][ T32] r7:ddde2d80 r6:83018200 r5:855dbf8c r4:85615680 [ 1339.304638][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.304684][ T32] r10:61c88647 r9:8562e000 r8:856156ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.304705][ T32] r4:85615680 [ 1339.304724][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.304772][ T32] r10:00000000 r9:85615680 r8:8027f5e8 r7:eb8c5e60 r6:85615700 r5:8562e000 [ 1339.304799][ T32] r4:00000001 [ 1339.304820][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.304858][ T32] Exception stack(0xeb8d1fb0 to 0xeb8d1ff8) [ 1339.304884][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1339.304912][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.304942][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.304998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.305025][ T32] r4:8565d180 [ 1339.305514][ T32] INFO: task kworker/1:687:5263 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.305580][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.305655][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.305801][ T32] Call trace: [ 1339.305868][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.305917][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.305942][ T32] r4:00000000 [ 1339.305962][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.306017][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.306065][ T32] 9d20: c4f18000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.306122][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.306152][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.306229][ T32] r5:80070013 r4:80239bb0 [ 1339.306258][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.306306][ T32] r4:82ac11a4 [ 1339.306327][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.306374][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.306445][ T32] r4:e47b9dc0 [ 1339.306494][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1339.306842][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1339.307013][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 11 printk messages dropped ** [ 1339.307478][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1339.307826][ T32] r4:8562d400 ** 4 printk messages dropped ** [ 1339.308057][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8d9e08 ** 9 printk messages dropped ** [ 1339.308568][ T32] r5:00001000 r4:eb711000 [ 1339.308647][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.308691][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1339.309103][ T32] Exception stack(0xeb8d9fb0 to 0xeb8d9ff8) ** 8 printk messages dropped ** [ 1339.331404][ T32] Call trace: ** 8 printk messages dropped ** [ 1339.331990][ T32] r5:80070013 r4:80239bb0 ** 11 printk messages dropped ** [ 1339.332622][ T32] r5:00001000 r4:ece91000 ** 11 printk messages dropped ** [ 1339.333446][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1339.333636][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.333670][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.333692][ T32] r4:84e5a340 [ 1339.333716][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.333923][ T32] INFO: task kworker/1:688:5267 blocked for more than 465 seconds. [ 1339.333964][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.333989][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.334012][ T32] task:kworker/1:688 state:D stack:0 pid:5267 tgid:5267 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.334243][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.334401][ T32] Call trace: [ 1339.334617][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.334669][ T32] r10:8291880c r9:eb8d5d84 r8:00000002 r7:60000013 r6:eb8d5d8c r5:85630000 [ 1339.334691][ T32] r4:85630000 [ 1339.334713][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.334753][ T32] r5:85630000 r4:82918808 [ 1339.334872][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.334915][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.334958][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8d5e08 [ 1339.334980][ T32] r4:00000000 [ 1339.335024][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.335237][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.335318][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.335379][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8565d780 [ 1339.335427][ T32] r4:00000000 [ 1339.335456][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.335504][ T32] r9:83018205 r8:85630000 r7:00000000 r6:83018200 r5:00001000 r4:7f051000 [ 1339.335527][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.335567][ T32] r5:00001000 r4:eb3b8000 [ 1339.335588][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.335626][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.335666][ T32] r5:855dbb8c r4:855db800 [ 1339.335686][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.335729][ T32] r7:ddde2d80 r6:83018200 r5:855dbb8c r4:85615800 ** 4 printk messages dropped ** [ 1339.335915][ T32] r10:00000000 r9:85615800 r8:8027f5e8 r7:eb8d1e60 r6:85615880 r5:85630000 ** 7 printk messages dropped ** [ 1339.336166][ T32] r4:8565d600 ** 3 printk messages dropped ** [ 1339.336869][ T32] Call trace: ** 5 printk messages dropped ** [ 1339.337161][ T32] 9d20: c5247000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 8 printk messages dropped ** [ 1339.337518][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 10 printk messages dropped ** [ 1339.338207][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 5 printk messages dropped ** [ 1339.338422][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1339.338678][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1339.339137][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1339.339478][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1339.354442][ T32] r5:00001000 r4:eb411000 [ 1339.354487][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1339.354670][ T32] r7:ddde2d80 r6:83018200 r5:8569878c r4:85615900 ** 7 printk messages dropped ** [ 1339.355037][ T32] Exception stack(0xeb8cdfb0 to 0xeb8cdff8) ** 6 printk messages dropped ** [ 1339.355858][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1339.356461][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1339.356675][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1339.357159][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.357182][ T32] r4:8454d780 [ 1339.357201][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.357243][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.357264][ T32] r4:00000001 [ 1339.357294][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.357335][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.357362][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.357389][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.357416][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.357444][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.357465][ T32] r4:84e5a340 [ 1339.357486][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.357514][ T32] INFO: task kworker/1:690:5271 blocked for more than 465 seconds. [ 1339.357600][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.357631][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.357654][ T32] task:kworker/1:690 state:D stack:0 pid:5271 tgid:5271 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.357701][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.357792][ T32] Call trace: [ 1339.357879][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.357956][ T32] r10:8291880c r9:eb8e1d84 r8:00000002 r7:60000013 r6:eb8e1d8c r5:85632400 [ 1339.358038][ T32] r4:85632400 [ 1339.358091][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.358159][ T32] r5:85632400 r4:82918808 [ 1339.358183][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.358242][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.358285][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8e1e08 [ 1339.358306][ T32] r4:00000000 [ 1339.358325][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.358367][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.358429][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.358489][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8565da00 [ 1339.358539][ T32] r4:00000000 [ 1339.358564][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.358609][ T32] r9:83018205 r8:85632400 r7:00000000 r6:83018200 r5:00001000 r4:7f055000 [ 1339.358632][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.358677][ T32] r5:00001000 r4:eb3f3000 [ 1339.358698][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.358736][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.358780][ T32] r5:8569838c r4:85698000 [ 1339.358826][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.358873][ T32] r7:ddde2d80 r6:83018200 r5:8569838c r4:85615a00 [ 1339.358894][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.358967][ T32] r10:61c88647 r9:85632400 r8:85615a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1339.359331][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1339.377390][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 18 printk messages dropped ** [ 1339.378260][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1339.378592][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 19 printk messages dropped ** [ 1339.379362][ T32] r10:8291880c r9:eb8e5d84 r8:00000002 r7:60000013 r6:eb8e5d8c r5:85633c00 ** 15 printk messages dropped ** [ 1339.385303][ T32] r5:00001000 r4:eb5a1000 ** 4 printk messages dropped ** [ 1339.385494][ T32] r7:ddde2d80 r6:83018200 r5:85698b8c r4:85615b00 ** 10 printk messages dropped ** [ 1339.386030][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1339.386904][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1339.387352][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1339.387632][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 10 printk messages dropped ** [ 1339.388078][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1339.388395][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.388426][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.388455][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.388483][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.388507][ T32] r4:84e5a340 [ 1339.388529][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.388569][ T32] INFO: task kworker/1:692:5275 blocked for more than 465 seconds. [ 1339.388604][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.388631][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.388703][ T32] task:kworker/1:692 state:D stack:0 pid:5275 tgid:5275 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.388851][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.388896][ T32] Call trace: [ 1339.388928][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.388975][ T32] r10:8291880c r9:eb8e9d84 r8:00000002 r7:60000013 r6:eb8e9d8c r5:85634800 [ 1339.388997][ T32] r4:85634800 [ 1339.389017][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.389062][ T32] r5:85634800 r4:82918808 [ 1339.389098][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.389142][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.389196][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb8e9e08 [ 1339.389249][ T32] r4:00000000 [ 1339.389272][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.389309][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.389350][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.389418][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d4b540 [ 1339.389444][ T32] r4:00000000 [ 1339.389464][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.389532][ T32] r9:83018205 r8:85634800 r7:00000000 r6:83018200 r5:00001000 r4:7f059000 [ 1339.389557][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.389599][ T32] r5:00001000 r4:eb58f000 [ 1339.389618][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.389656][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.389697][ T32] r5:854e2b8c r4:854e2800 [ 1339.389717][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.407823][ T32] r7:ddde2d80 r6:83018200 r5:854e2b8c r4:85615c00 [ 1339.407900][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.408003][ T32] r10:61c88647 r9:85634800 r8:85615c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.408048][ T32] r4:85615c00 [ 1339.408107][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.408184][ T32] r10:00000000 r9:85615c00 r8:8027f5e8 r7:eb8e5e60 r6:85615c80 r5:85634800 [ 1339.408211][ T32] r4:00000001 [ 1339.408231][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.408286][ T32] Exception stack(0xeb8e9fb0 to 0xeb8e9ff8) [ 1339.408323][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.408352][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.408378][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.408406][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.408429][ T32] r4:8565dd40 [ 1339.408927][ T32] INFO: task kworker/1:692:5275 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 1 printk messages dropped ** [ 1339.409056][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.409118][ T32] Call trace: [ 1339.409202][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.409259][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.409282][ T32] r4:00000000 [ 1339.409303][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.409341][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.409369][ T32] 9d20: c5bef000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.409397][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.409422][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.409446][ T32] r5:80070013 r4:80239bb0 [ 1339.409491][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.409568][ T32] r4:82ac11a4 [ 1339.409593][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.409642][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.409666][ T32] r4:e47b9dc0 [ 1339.409685][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.409730][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.409814][ T32] r4:00000000 [ 1339.414743][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.414873][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.414905][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.414953][ T32] r5:00001000 r4:ece91000 [ 1339.414974][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.415042][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1339.415256][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 19 printk messages dropped ** [ 1339.416353][ T32] r10:8291880c r9:eb8ddd84 r8:00000002 r7:60000013 r6:eb8ddd8c r5:85635400 ** 15 printk messages dropped ** [ 1339.417316][ T32] r5:00001000 r4:eb725000 [ 1339.417336][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.417373][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.417412][ T32] r5:85698f8c r4:85698c00 [ 1339.417442][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.417513][ T32] r7:ddde2d80 r6:83018200 r5:85698f8c r4:85615d00 [ 1339.417635][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.417686][ T32] r10:61c88647 r9:85635400 r8:85615d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1339.418019][ T32] r4:8565de80 ** 6 printk messages dropped ** [ 1339.418887][ T32] r4:00000000 ** 9 printk messages dropped ** [ 1339.419368][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 14 printk messages dropped ** [ 1339.435932][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 14 printk messages dropped ** [ 1339.436414][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 15 printk messages dropped ** [ 1339.437312][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85660bc0 ** 4 printk messages dropped ** [ 1339.437560][ T32] r5:00001000 r4:eb793000 ** 6 printk messages dropped ** [ 1339.438003][ T32] r10:61c88647 r9:85636000 r8:85615e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 13 printk messages dropped ** [ 1339.439455][ T32] Workqueue: events bpf_prog_free_deferred ** 11 printk messages dropped ** [ 1339.453409][ T32] r4:82ac11a4 ** 9 printk messages dropped ** [ 1339.453797][ T32] r5:00001000 r4:ece91000 ** 5 printk messages dropped ** [ 1339.454022][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.454071][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.454093][ T32] r4:8454d780 [ 1339.454113][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.454158][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.454181][ T32] r4:00000001 [ 1339.454225][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.454263][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.454289][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.454316][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.454342][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.454394][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.454422][ T32] r4:84e5a340 [ 1339.454448][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.454505][ T32] INFO: task kworker/0:379:5281 blocked for more than 465 seconds. [ 1339.454544][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.454569][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.454591][ T32] task:kworker/0:379 state:D stack:0 pid:5281 tgid:5281 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.454674][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.454725][ T32] Call trace: [ 1339.454782][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.454852][ T32] r10:8291880c r9:eb8f9d84 r8:00000002 r7:60000113 r6:eb8f9d8c r5:85631800 [ 1339.454878][ T32] r4:85631800 [ 1339.455004][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.455052][ T32] r5:85631800 r4:82918808 ** 1 printk messages dropped ** [ 1339.455210][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1339.455575][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856652c0 ** 6 printk messages dropped ** [ 1339.455982][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1339.456097][ T32] r7:dddced80 r6:83018000 r5:854e338c r4:854acb80 [ 1339.456117][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.456162][ T32] r10:61c88647 r9:85631800 r8:854acbac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1339.456184][ T32] r4:854acb80 [ 1339.456228][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.456314][ T32] r10:00000000 r9:854acb80 r8:8027f5e8 r7:eb7f5e60 r6:85615f00 r5:85631800 [ 1339.456420][ T32] r4:00000001 [ 1339.456444][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.456520][ T32] Exception stack(0xeb8f9fb0 to 0xeb8f9ff8) [ 1339.456701][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.456757][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.456787][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.456816][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.456840][ T32] r4:85665080 [ 1339.457530][ T32] INFO: task kworker/0:379:5281 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.457709][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.457868][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.457941][ T32] Call trace: [ 1339.457972][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.458019][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 6 printk messages dropped ** [ 1339.458338][ T32] r5:80070013 r4:80239bb0 ** 9 printk messages dropped ** [ 1339.458831][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 11 printk messages dropped ** [ 1339.459550][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 14 printk messages dropped ** [ 1339.481498][ T32] Call trace: ** 8 printk messages dropped ** [ 1339.481833][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1339.482257][ T32] r5:00001000 r4:eb763000 [ 1339.482302][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1339.482775][ T32] r7:ddde2d80 r6:83018200 r5:8569938c r4:85615f80 [ 1339.482796][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.482908][ T32] r10:61c88647 r9:85636c00 r8:85615fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.482937][ T32] r4:85615f80 [ 1339.482958][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.483101][ T32] r10:00000000 r9:85615f80 r8:8027f5e8 r7:eb8f5e60 r6:8565c000 r5:85636c00 [ 1339.483145][ T32] r4:00000001 [ 1339.483167][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.483205][ T32] Exception stack(0xeb8fdfb0 to 0xeb8fdff8) [ 1339.483233][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.483393][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.483474][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.483508][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.483530][ T32] r4:856602c0 [ 1339.484051][ T32] INFO: task kworker/1:695:5282 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.484090][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.484228][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.484273][ T32] Call trace: [ 1339.484321][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.484371][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.484400][ T32] r4:00000000 [ 1339.484422][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.484459][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.484486][ T32] 9d20: c654f000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.484514][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.484591][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.484621][ T32] r5:80070013 r4:80239bb0 [ 1339.484693][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.484747][ T32] r4:82ac11a4 [ 1339.484770][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.484882][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.485112][ T32] r4:e47b9dc0 [ 1339.485136][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.485180][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.485203][ T32] r4:00000000 [ 1339.485222][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.485324][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 11 printk messages dropped ** [ 1339.486280][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 20 printk messages dropped ** [ 1339.487632][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1339.488177][ T32] r5:00001000 r4:eb771000 ** 4 printk messages dropped ** [ 1339.488436][ T32] r7:dddced80 r6:83018000 r5:854e378c r4:854acc00 ** 9 printk messages dropped ** [ 1339.489164][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1339.523173][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 10 printk messages dropped ** [ 1339.523974][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 14 printk messages dropped ** [ 1339.524881][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 12 printk messages dropped ** [ 1339.525778][ T32] task:kworker/0:381 state:D stack:0 pid:5287 tgid:5287 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.525831][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.525874][ T32] Call trace: [ 1339.525905][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.525952][ T32] r10:8291880c r9:eb90dd84 r8:00000002 r7:60000113 r6:eb90dd8c r5:8563a400 [ 1339.526013][ T32] r4:8563a400 [ 1339.526116][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.526175][ T32] r5:8563a400 r4:82918808 [ 1339.526219][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.526286][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.526416][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb90de08 [ 1339.526442][ T32] r4:00000000 [ 1339.526462][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.526497][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.526533][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.526576][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85665540 [ 1339.526613][ T32] r4:00000000 [ 1339.526637][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.526682][ T32] r9:83018005 r8:8563a400 r7:00000000 r6:83018000 r5:00001000 r4:7f0c1000 [ 1339.526705][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.526745][ T32] r5:00001000 r4:eb973000 [ 1339.526764][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.526903][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.526953][ T32] r5:854e3b8c r4:854e3800 [ 1339.526981][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.527028][ T32] r7:dddced80 r6:83018000 r5:854e3b8c r4:854acc80 [ 1339.527057][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.527102][ T32] r10:61c88647 r9:8563a400 r8:854accac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1339.527149][ T32] r4:854acc80 [ 1339.527173][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.527217][ T32] r10:00000000 r9:854acc80 r8:8027f5e8 r7:eb7f5e60 r6:8565c100 r5:8563a400 [ 1339.527239][ T32] r4:00000001 [ 1339.527262][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.527317][ T32] Exception stack(0xeb90dfb0 to 0xeb90dff8) [ 1339.527372][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.527404][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.527430][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.527458][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.527483][ T32] r4:85665280 [ 1339.527986][ T32] INFO: task kworker/0:381:5287 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.528022][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.528295][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.528346][ T32] Call trace: [ 1339.528497][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.528549][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.528574][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1339.528977][ T32] 9d20: c69f6000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 21 printk messages dropped ** [ 1339.553050][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 14 printk messages dropped ** [ 1339.553829][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 11 printk messages dropped ** [ 1339.554469][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1339.554770][ T32] r5:00001000 r4:eb77f000 ** 1 printk messages dropped ** [ 1339.554873][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 14 printk messages dropped ** [ 1339.555441][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 15 printk messages dropped ** [ 1339.557776][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1339.558104][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.558126][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.558167][ T32] r5:00001000 r4:ece91000 [ 1339.558186][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.559094][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.559139][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.559159][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.559257][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1339.559283][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.559331][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.559353][ T32] r4:8454d780 [ 1339.559429][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.559478][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.559528][ T32] r4:00000001 [ 1339.559576][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.559616][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.559642][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.559673][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.559721][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.559876][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.571567][ T32] r4:84e5a340 [ 1339.571651][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 13 printk messages dropped ** [ 1339.572517][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb915e08 ** 9 printk messages dropped ** [ 1339.573165][ T32] r5:00001000 r4:eb7c3000 [ 1339.573185][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.573224][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1339.573435][ T32] r10:61c88647 r9:8563bc00 r8:8565c2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1339.573895][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1339.574953][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 9 printk messages dropped ** [ 1339.575272][ T32] r4:e47b9dc0 ** 6 printk messages dropped ** [ 1339.575570][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1339.575861][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1339.576319][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1339.576614][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1339.576882][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1339.577318][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.577367][ T32] r5:00001000 r4:eb7a1000 ** 4 printk messages dropped ** [ 1339.577684][ T32] r7:ddde2d80 r6:83018200 r5:85699f8c r4:8565c380 ** 7 printk messages dropped ** [ 1339.577938][ T32] Exception stack(0xeb919fb0 to 0xeb919ff8) [ 1339.577969][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.578022][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.578059][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.578088][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.578122][ T32] r4:85660c40 [ 1339.578484][ T32] INFO: task kworker/1:698:5293 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.578519][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.578658][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.578730][ T32] Call trace: [ 1339.578761][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.578808][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.578830][ T32] r4:00000000 [ 1339.578849][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.578934][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.578966][ T32] 9d20: c7001000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.578995][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.579020][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.579047][ T32] r5:80070013 r4:80239bb0 [ 1339.579071][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.579114][ T32] r4:82ac11a4 [ 1339.579156][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.579207][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.579229][ T32] r4:e47b9dc0 [ 1339.579248][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.579291][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.579312][ T32] r4:00000000 [ 1339.579331][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.579387][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.579412][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.579454][ T32] r5:00001000 r4:ece91000 [ 1339.579474][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.579513][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.579554][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.579573][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.579617][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1339.579637][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.579682][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.579704][ T32] r4:8454d780 [ 1339.579723][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.599732][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.600300][ T32] r4:00000001 [ 1339.600334][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.600394][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.600425][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.600453][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.600480][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.600509][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.600530][ T32] r4:84e5a340 [ 1339.600553][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.600583][ T32] INFO: task kworker/1:699:5295 blocked for more than 466 seconds. [ 1339.600617][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.600642][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.600663][ T32] task:kworker/1:699 state:D stack:0 pid:5295 tgid:5295 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.600718][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.600763][ T32] Call trace: [ 1339.600812][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.600922][ T32] r10:8291880c r9:eb91dd84 r8:00000002 r7:60000113 r6:eb91dd8c r5:8563d400 [ 1339.600948][ T32] r4:8563d400 [ 1339.600969][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 4 printk messages dropped ** [ 1339.601221][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1339.601436][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1339.601574][ T32] r5:00001000 r4:eb7af000 [ 1339.601608][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1339.601758][ T32] r7:ddde2d80 r6:83018200 r5:8569a38c r4:8565c480 ** 18 printk messages dropped ** [ 1339.603276][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 2 printk messages dropped ** [ 1339.603373][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.603401][ T32] 9d20: c74ad000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.603428][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.603456][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.603485][ T32] r5:80070013 r4:80239bb0 [ 1339.603507][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.603577][ T32] r4:82ac11a4 [ 1339.603601][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.603648][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.603669][ T32] r4:e47b9dc0 [ 1339.603688][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.603742][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 12 printk messages dropped ** [ 1339.604256][ T32] r4:8454d780 ** 6 printk messages dropped ** [ 1339.604534][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1339.604957][ T32] Call trace: ** 5 printk messages dropped ** [ 1339.605168][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 3 printk messages dropped ** [ 1339.605287][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.605321][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.605412][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.605485][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85658140 ** 3 printk messages dropped ** [ 1339.605626][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 10 printk messages dropped ** [ 1339.606029][ T32] r10:00000000 r9:8565c580 r8:8027f5e8 r7:eb915e60 r6:8565c600 r5:8563e000 ** 25 printk messages dropped ** [ 1339.607787][ T32] r4:e47b9dc0 ** 9 printk messages dropped ** [ 1339.608527][ T32] r5:85a7af8c r4:85a7ac00 ** 15 printk messages dropped ** [ 1339.609102][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 11 printk messages dropped ** [ 1339.643282][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.643326][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.643369][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb929e08 [ 1339.643478][ T32] r4:00000000 [ 1339.643586][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.643628][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.643672][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.643852][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85658900 [ 1339.643878][ T32] r4:00000000 [ 1339.643923][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.644013][ T32] r9:83018205 r8:85639800 r7:00000000 r6:83018200 r5:00001000 r4:7f0b9000 [ 1339.644068][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.644117][ T32] r5:00001000 r4:eb947000 [ 1339.644161][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.644206][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.644248][ T32] r5:8569b78c r4:8569b400 [ 1339.644268][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.644314][ T32] r7:ddde2d80 r6:83018200 r5:8569b78c r4:8565c680 [ 1339.644334][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.644380][ T32] r10:61c88647 r9:85639800 r8:8565c6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.644401][ T32] r4:8565c680 [ 1339.644419][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.644461][ T32] r10:00000000 r9:8565c680 r8:8027f5e8 r7:eb921e60 r6:8565c700 r5:85639800 [ 1339.644484][ T32] r4:00000001 [ 1339.644503][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.644594][ T32] Exception stack(0xeb929fb0 to 0xeb929ff8) [ 1339.644630][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.644659][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.644686][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.644767][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.644793][ T32] r4:85658100 [ 1339.645291][ T32] INFO: task kworker/1:701:5299 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.645328][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.645565][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.645617][ T32] Call trace: [ 1339.645678][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.645728][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.645777][ T32] r4:00000000 [ 1339.645853][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 8 printk messages dropped ** [ 1339.646383][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 9 printk messages dropped ** [ 1339.646795][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1339.647132][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1339.647558][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.647644][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.647751][ T32] r4:84e5a340 [ 1339.647776][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.647817][ T32] INFO: task kworker/1:702:5301 blocked for more than 466 seconds. [ 1339.647851][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.647879][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.647942][ T32] task:kworker/1:702 state:D stack:0 pid:5301 tgid:5301 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.648178][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.648364][ T32] Call trace: [ 1339.648400][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.648448][ T32] r10:8291880c r9:eb935d84 r8:00000002 r7:60000013 r6:eb935d8c r5:85638000 [ 1339.648483][ T32] r4:85638000 [ 1339.648506][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.648546][ T32] r5:85638000 r4:82918808 [ 1339.648619][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.648658][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.648701][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb935e08 [ 1339.648748][ T32] r4:00000000 [ 1339.648796][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.648885][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.648928][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.649038][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85658400 [ 1339.649173][ T32] r4:00000000 [ 1339.649196][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.649242][ T32] r9:83018205 r8:85638000 r7:00000000 r6:83018200 r5:00001000 r4:7f0b5000 [ 1339.649263][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.649303][ T32] r5:00001000 r4:eb92b000 [ 1339.649348][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1339.649452][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1339.673029][ T32] Exception stack(0xeb935fb0 to 0xeb935ff8) ** 6 printk messages dropped ** [ 1339.673739][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1339.674508][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1339.674878][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 6 printk messages dropped ** [ 1339.675155][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.675196][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.675215][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.675262][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1339.675283][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.675327][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.675501][ T32] r4:8454d780 [ 1339.675526][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.675571][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.675594][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1339.675674][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 19 printk messages dropped ** [ 1339.676700][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1339.677119][ T32] r5:00001000 r4:eb93b000 ** 3 printk messages dropped ** [ 1339.677259][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 19 printk messages dropped ** [ 1339.678629][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 18 printk messages dropped ** [ 1339.679502][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1339.692397][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1339.692802][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1339.692995][ T32] task:kworker/1:704 state:D stack:0 pid:5304 tgid:5304 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1339.693691][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1339.693959][ T32] r5:00001000 r4:eb967000 [ 1339.693978][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1339.694287][ T32] r10:61c88647 r9:85640c00 r8:8565c9ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.694310][ T32] r4:8565c980 [ 1339.694353][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.694402][ T32] r10:00000000 r9:8565c980 r8:8027f5e8 r7:eb929e60 r6:8565ca00 r5:85640c00 [ 1339.694426][ T32] r4:00000001 [ 1339.694457][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.694494][ T32] Exception stack(0xeb945fb0 to 0xeb945ff8) [ 1339.694520][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1339.694548][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.694575][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.694616][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.694643][ T32] r4:85658580 [ 1339.695123][ T32] INFO: task kworker/1:704:5304 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.695158][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.695321][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.695370][ T32] Call trace: [ 1339.695400][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.695447][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.695471][ T32] r4:00000000 [ 1339.695495][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.695534][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.695619][ T32] 9d20: c7f1b000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.695653][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.695700][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.695726][ T32] r5:80070013 r4:80239bb0 [ 1339.695771][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.695845][ T32] r4:82ac11a4 [ 1339.695894][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.696009][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.696035][ T32] r4:e47b9dc0 [ 1339.696062][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.696106][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.696172][ T32] r4:00000000 [ 1339.696195][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.696245][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.696296][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.696415][ T32] r5:00001000 r4:ece91000 [ 1339.696439][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.696529][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.696576][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.696597][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.696643][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1339.696675][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.696730][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.696755][ T32] r4:8454d780 [ 1339.696775][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.696817][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.696840][ T32] r4:00000001 [ 1339.696863][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.696924][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.696954][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.696994][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.697026][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.697063][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 5 printk messages dropped ** [ 1339.697237][ T32] task:kworker/1:705 state:D stack:0 pid:5306 tgid:5306 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 19 printk messages dropped ** [ 1339.698380][ T32] r5:00001000 r4:eb953000 ** 3 printk messages dropped ** [ 1339.698548][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 13 printk messages dropped ** [ 1339.699066][ T32] r4:85658780 [ 1339.699376][ T32] INFO: task kworker/1:705:5306 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.699435][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.699494][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.699591][ T32] Call trace: [ 1339.699639][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.699688][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.699712][ T32] r4:00000000 [ 1339.699731][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.699820][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.722330][ T32] 9d20: c83db000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.722387][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.722535][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.722568][ T32] r5:80070013 r4:80239bb0 [ 1339.722592][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.722660][ T32] r4:82ac11a4 [ 1339.722680][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.722776][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.722806][ T32] r4:e47b9dc0 [ 1339.722829][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.722944][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.722970][ T32] r4:00000000 [ 1339.723030][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.723196][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.723275][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.723325][ T32] r5:00001000 r4:ece91000 [ 1339.723346][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1339.723427][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1339.723605][ T32] r4:8454d780 [ 1339.723628][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.723683][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.723709][ T32] r4:00000001 [ 1339.723729][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 10 printk messages dropped ** [ 1339.724135][ T32] task:kworker/1:706 state:D stack:0 pid:5308 tgid:5308 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 19 printk messages dropped ** [ 1339.724954][ T32] r5:00001000 r4:eb95f000 ** 1 printk messages dropped ** [ 1339.725054][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1339.725514][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1339.725753][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1339.726616][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1339.726985][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1339.727174][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1339.727688][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1339.728107][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1339.728577][ T32] Call trace: ** 5 printk messages dropped ** [ 1339.728811][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1339.729291][ T32] r5:00001000 r4:dfabf000 [ 1339.729314][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1339.729414][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1339.751589][ T32] Exception stack(0xeb909fb0 to 0xeb909ff8) ** 4 printk messages dropped ** [ 1339.751781][ T32] r4:85658c40 [ 1339.752278][ T32] INFO: task kworker/1:707:5310 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.752317][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.752653][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.752940][ T32] Call trace: [ 1339.752980][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.753121][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.753154][ T32] r4:00000000 [ 1339.753177][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.753256][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.753291][ T32] 9d20: c874e000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.753367][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.753396][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.753422][ T32] r5:80070013 r4:80239bb0 [ 1339.753497][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.753549][ T32] r4:82ac11a4 [ 1339.753570][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.753618][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.753718][ T32] r4:e47b9dc0 [ 1339.753783][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.753911][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.753937][ T32] r4:00000000 [ 1339.753996][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.754050][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.754073][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.754115][ T32] r5:00001000 r4:ece91000 [ 1339.754233][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.754348][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.754397][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.754418][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.754641][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 1 printk messages dropped ** [ 1339.754715][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1339.755454][ T32] r4:84e5a340 [ 1339.755475][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.755517][ T32] INFO: task kworker/0:382:5313 blocked for more than 466 seconds. [ 1339.755703][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.755732][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.755755][ T32] task:kworker/0:382 state:D stack:0 pid:5313 tgid:5313 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.755799][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.755908][ T32] Call trace: [ 1339.756039][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.756129][ T32] r10:8291880c r9:eb8edd84 r8:00000002 r7:60000113 r6:eb8edd8c r5:84d02400 [ 1339.756236][ T32] r4:84d02400 [ 1339.756261][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.756302][ T32] r5:84d02400 r4:82918808 [ 1339.756321][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.756356][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 1 printk messages dropped ** [ 1339.756444][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1339.756813][ T32] r5:00001000 r4:e47a7000 ** 2 printk messages dropped ** [ 1339.756978][ T32] r5:84c3878c r4:84c38400 ** 11 printk messages dropped ** [ 1339.757548][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 17 printk messages dropped ** [ 1339.758603][ T32] r4:82ac11a4 ** 12 printk messages dropped ** [ 1339.759176][ T32] r5:85a7af8c r4:85a7ac00 ** 12 printk messages dropped ** [ 1339.781183][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 21 printk messages dropped ** [ 1339.782688][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8561d300 ** 4 printk messages dropped ** [ 1339.783070][ T32] r5:00001000 r4:dff8b000 [ 1339.783144][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.783194][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.783236][ T32] r5:856a8b8c r4:856a8800 [ 1339.783255][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.783303][ T32] r7:ddde2d80 r6:83018200 r5:856a8b8c r4:8565cd80 [ 1339.783323][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.783507][ T32] r10:61c88647 r9:84d03c00 r8:8565cdac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.783534][ T32] r4:8565cd80 [ 1339.783595][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.783642][ T32] r10:00000000 r9:8565cd80 r8:8027f5e8 r7:eb909e60 r6:854ace00 r5:84d03c00 [ 1339.783689][ T32] r4:00000001 [ 1339.783712][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.783752][ T32] Exception stack(0xeb8f1fb0 to 0xeb8f1ff8) [ 1339.783779][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1339.783807][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.783834][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.783863][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.783989][ T32] r4:8561d200 [ 1339.784504][ T32] INFO: task kworker/1:708:5315 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.784542][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.784797][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.784847][ T32] Call trace: [ 1339.784879][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 4 printk messages dropped ** [ 1339.785116][ T32] 9d20: c8aa7000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 9 printk messages dropped ** [ 1339.785614][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1339.786536][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1339.787090][ T32] r4:84e5a340 [ 1339.787163][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.787277][ T32] INFO: task kworker/1:709:5317 blocked for more than 466 seconds. [ 1339.787393][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.787420][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.787442][ T32] task:kworker/1:709 state:D stack:0 pid:5317 tgid:5317 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.787511][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.787832][ T32] Call trace: [ 1339.787895][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.788009][ T32] r10:8291880c r9:eb821d84 r8:00000002 r7:60000013 r6:eb821d8c r5:85644800 [ 1339.788042][ T32] r4:85644800 [ 1339.788071][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.788111][ T32] r5:85644800 r4:82918808 [ 1339.788131][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.788173][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.788312][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb821e08 [ 1339.788339][ T32] r4:00000000 [ 1339.788359][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.788394][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.788432][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.788492][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8561de00 [ 1339.788517][ T32] r4:00000000 [ 1339.788537][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.788580][ T32] r9:83018205 r8:85644800 r7:00000000 r6:83018200 r5:00001000 r4:7f063000 [ 1339.788601][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.788641][ T32] r5:00001000 r4:eaf0d000 [ 1339.788700][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.788745][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.788840][ T32] r5:856a978c r4:856a9400 [ 1339.788945][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.788994][ T32] r7:ddde2d80 r6:83018200 r5:856a978c r4:8565ce00 [ 1339.789014][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.789063][ T32] r10:61c88647 r9:85644800 r8:8565ce2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 12 printk messages dropped ** [ 1339.815278][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 28 printk messages dropped ** [ 1339.816801][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 21 printk messages dropped ** [ 1339.817549][ T32] r4:85643c00 ** 10 printk messages dropped ** [ 1339.817907][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1339.818066][ T32] r5:00001000 r4:eab57000 ** 12 printk messages dropped ** [ 1339.818582][ T32] Exception stack(0xeb839fb0 to 0xeb839ff8) ** 15 printk messages dropped ** [ 1339.819625][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 23 printk messages dropped ** [ 1339.839354][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 21 printk messages dropped ** [ 1339.850867][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1339.851132][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.851183][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8561d880 [ 1339.851206][ T32] r4:00000000 [ 1339.851227][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.851300][ T32] r9:83018005 r8:85646000 r7:00000000 r6:83018000 r5:00001000 r4:7f031000 [ 1339.851327][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.851372][ T32] r5:00001000 r4:eaa8b000 [ 1339.851391][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.851429][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.851490][ T32] r5:856a8f8c r4:856a8c00 [ 1339.851639][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.851691][ T32] r7:dddced80 r6:83018000 r5:856a8f8c r4:854ace80 [ 1339.851789][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.851839][ T32] r10:61c88647 r9:85646000 r8:854aceac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1339.851886][ T32] r4:854ace80 [ 1339.851910][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.851970][ T32] r10:00000000 r9:854ace80 r8:8027f5e8 r7:eb7f5e60 r6:8560d000 r5:85646000 [ 1339.852048][ T32] r4:00000001 [ 1339.852100][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.852170][ T32] Exception stack(0xeb85dfb0 to 0xeb85dff8) [ 1339.852204][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.852237][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.852264][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.852294][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.852317][ T32] r4:85665680 [ 1339.852810][ T32] INFO: task kworker/0:383:5322 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.852865][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.852982][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.853033][ T32] Call trace: [ 1339.853101][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.853195][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.853298][ T32] r4:00000000 [ 1339.853324][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.853389][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.853420][ T32] 9d20: c9346000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.853453][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.853480][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.853504][ T32] r5:80070013 r4:80239bb0 [ 1339.853525][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.853570][ T32] r4:82ac11a4 [ 1339.853590][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.853635][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.853682][ T32] r4:e47b9dc0 [ 1339.853730][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.853779][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.853802][ T32] r4:00000000 [ 1339.853827][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.853900][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.853940][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.853986][ T32] r5:00001000 r4:ece91000 ** 2 printk messages dropped ** [ 1339.854141][ T32] r5:85a7af8c r4:85a7ac00 ** 2 printk messages dropped ** [ 1339.854251][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1339.854404][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 5 printk messages dropped ** [ 1339.854704][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1339.854913][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 2 printk messages dropped ** [ 1339.855128][ T32] Call trace: ** 3 printk messages dropped ** [ 1339.855269][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 5 printk messages dropped ** [ 1339.855534][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 3 printk messages dropped ** [ 1339.855734][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1339.856024][ T32] r5:00001000 r4:eb9d3000 [ 1339.856048][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.856087][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.856155][ T32] r5:854e878c r4:854e8400 ** 1 printk messages dropped ** [ 1339.856223][ T32] r7:dddced80 r6:83018000 r5:854e878c r4:854acf00 [ 1339.856267][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.856315][ T32] r10:61c88647 r9:85646c00 r8:854acf2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1339.856338][ T32] r4:854acf00 [ 1339.856356][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.856400][ T32] r10:00000000 r9:854acf00 r8:8027f5e8 r7:eb85de60 r6:8560d080 r5:85646c00 [ 1339.856448][ T32] r4:00000001 [ 1339.856470][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.856579][ T32] Exception stack(0xeb875fb0 to 0xeb875ff8) [ 1339.856633][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1339.856665][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.856785][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.856817][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.856839][ T32] r4:85665680 [ 1339.857166][ T32] INFO: task kworker/0:384:5323 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.857199][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.857254][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.857297][ T32] Call trace: [ 1339.857328][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.857373][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.857396][ T32] r4:00000000 [ 1339.857415][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.857450][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.857477][ T32] 9d20: c9346000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.857505][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.857529][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.857551][ T32] r5:80070013 r4:80239bb0 [ 1339.857652][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.857703][ T32] r4:82ac11a4 [ 1339.857789][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.857839][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.857862][ T32] r4:e47b9dc0 [ 1339.857947][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.857994][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.858015][ T32] r4:00000000 [ 1339.858054][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.858160][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.858307][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.858357][ T32] r5:00001000 r4:ece91000 [ 1339.858378][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.858418][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.858459][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.858479][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.858524][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1339.858709][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.858820][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.858928][ T32] r4:8454d780 [ 1339.858952][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.858997][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.859052][ T32] r4:00000001 [ 1339.859076][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.859119][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.859148][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.859175][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.859203][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.859257][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.859307][ T32] r4:84e5a340 [ 1339.859330][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.859356][ T32] INFO: task kworker/0:385:5325 blocked for more than 466 seconds. [ 1339.859384][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.859407][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.859455][ T32] task:kworker/0:385 state:D stack:0 pid:5325 tgid:5325 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.883035][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.883158][ T32] Call trace: [ 1339.883323][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.883386][ T32] r10:8291880c r9:eb881d84 r8:00000002 r7:60000113 r6:eb881d8c r5:85643000 [ 1339.883410][ T32] r4:85643000 [ 1339.883430][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.883475][ T32] r5:85643000 r4:82918808 [ 1339.883495][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.883585][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.883633][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb881e08 [ 1339.883680][ T32] r4:00000000 [ 1339.883703][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.883738][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.883780][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.883891][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85665ac0 [ 1339.884100][ T32] r4:00000000 [ 1339.884126][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1339.884385][ T32] r5:00001000 r4:eb0f9000 [ 1339.884409][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.884449][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.884585][ T32] r5:84237b8c r4:84237800 [ 1339.884609][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.884656][ T32] r7:dddced80 r6:83018000 r5:84237b8c r4:854acf80 ** 1 printk messages dropped ** [ 1339.884723][ T32] r10:61c88647 r9:85643000 r8:854acfac r7:82804d40 r6:dddced80 r5:dddceda0 ** 5 printk messages dropped ** [ 1339.885047][ T32] Exception stack(0xeb881fb0 to 0xeb881ff8) ** 3 printk messages dropped ** [ 1339.885291][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1339.886312][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.886430][ T32] Call trace: [ 1339.886631][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.886684][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.886709][ T32] r4:00000000 [ 1339.886730][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.886766][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.886794][ T32] 9d20: c963f000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.886931][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.886961][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.887255][ T32] r5:80070013 r4:80239bb0 [ 1339.887280][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.887370][ T32] r4:82ac11a4 [ 1339.887393][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.887441][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.887463][ T32] r4:e47b9dc0 [ 1339.887483][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.887525][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.887571][ T32] r4:00000000 [ 1339.887596][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.887642][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.887664][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.887720][ T32] r5:00001000 r4:ece91000 [ 1339.887743][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.887802][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.887848][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.887949][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.888021][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1339.888067][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.888117][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.888140][ T32] r4:8454d780 [ 1339.888160][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.888202][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.888224][ T32] r4:00000001 [ 1339.888243][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.888318][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.888350][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.888475][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.888505][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.888586][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.888611][ T32] r4:84e5a340 [ 1339.888873][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.888916][ T32] INFO: task kworker/1:711:5328 blocked for more than 466 seconds. [ 1339.889035][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.889096][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.889122][ T32] task:kworker/1:711 state:D stack:0 pid:5328 tgid:5328 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.889346][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.889386][ T32] Call trace: [ 1339.889415][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.889523][ T32] r10:8291880c r9:eb88dd84 r8:00000002 r7:60000113 r6:eb88dd8c r5:85648c00 [ 1339.889551][ T32] r4:85648c00 [ 1339.889571][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.889612][ T32] r5:85648c00 r4:82918808 [ 1339.889819][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.907350][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.907460][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb88de08 [ 1339.907493][ T32] r4:00000000 [ 1339.907515][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.907554][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.907596][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.907691][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8561df40 [ 1339.907717][ T32] r4:00000000 [ 1339.907738][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.907807][ T32] r9:83018205 r8:85648c00 r7:00000000 r6:83018200 r5:00001000 r4:7f065000 [ 1339.907834][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.907880][ T32] r5:00001000 r4:eb05d000 [ 1339.907901][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.907939][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.908004][ T32] r5:856a9b8c r4:856a9800 [ 1339.908025][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.908095][ T32] r7:ddde2d80 r6:83018200 r5:856a9b8c r4:8560d180 [ 1339.908121][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.908225][ T32] r10:61c88647 r9:85648c00 r8:8560d1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.908276][ T32] r4:8560d180 [ 1339.908327][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.908411][ T32] r10:00000000 r9:8560d180 r8:8027f5e8 r7:eb821e60 r6:8560d200 r5:85648c00 [ 1339.908438][ T32] r4:00000001 [ 1339.908458][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.908523][ T32] Exception stack(0xeb88dfb0 to 0xeb88dff8) [ 1339.908581][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.908639][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.908670][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.908700][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.908722][ T32] r4:8561dc80 [ 1339.909226][ T32] INFO: task kworker/1:711:5328 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.909262][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.909358][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.909476][ T32] Call trace: [ 1339.909513][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.909588][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.909616][ T32] r4:00000000 [ 1339.909636][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.909704][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.920234][ T32] 9d20: c9b44000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.920373][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.920432][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.920464][ T32] r5:80070013 r4:80239bb0 [ 1339.920512][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.920583][ T32] r4:82ac11a4 [ 1339.920604][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.920652][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.920724][ T32] r4:e47b9dc0 [ 1339.920749][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.920844][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.920870][ T32] r4:00000000 [ 1339.920890][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.920938][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.920987][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.921037][ T32] r5:00001000 r4:ece91000 [ 1339.921091][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.921173][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.921222][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.921268][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.921320][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1339.921344][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.921388][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.921437][ T32] r4:8454d780 [ 1339.921461][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.921506][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.921528][ T32] r4:00000001 [ 1339.921547][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.921583][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.921610][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.921639][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.921666][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.921743][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.921771][ T32] r4:84e5a340 [ 1339.921870][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.921904][ T32] INFO: task kworker/1:712:5330 blocked for more than 466 seconds. [ 1339.921937][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.921988][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 2 printk messages dropped ** [ 1339.922232][ T32] Call trace: ** 1 printk messages dropped ** [ 1339.922316][ T32] r10:8291880c r9:eb89dd84 r8:00000002 r7:60000013 r6:eb89dd8c r5:8564a400 ** 5 printk messages dropped ** [ 1339.922568][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb89de08 ** 1 printk messages dropped ** [ 1339.922697][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1339.922737][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1339.922779][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.922823][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8561dc00 [ 1339.922848][ T32] r4:00000000 [ 1339.922917][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.922965][ T32] r9:83018205 r8:8564a400 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1339.923057][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.923169][ T32] r5:00001000 r4:eb0b9000 [ 1339.923192][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.923231][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.923271][ T32] r5:856a9f8c r4:856a9c00 [ 1339.923291][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.923337][ T32] r7:ddde2d80 r6:83018200 r5:856a9f8c r4:8560d280 [ 1339.923383][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.923433][ T32] r10:61c88647 r9:8564a400 r8:8560d2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.923461][ T32] r4:8560d280 [ 1339.923505][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.923586][ T32] r10:00000000 r9:8560d280 r8:8027f5e8 r7:eb88de60 r6:8560d300 r5:8564a400 [ 1339.923612][ T32] r4:00000001 [ 1339.923636][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.923674][ T32] Exception stack(0xeb89dfb0 to 0xeb89dff8) [ 1339.923699][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1339.923743][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.923774][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.923807][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.923830][ T32] r4:8561d940 [ 1339.924326][ T32] INFO: task kworker/1:712:5330 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.924361][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.924417][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.924486][ T32] Call trace: [ 1339.924659][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.924711][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.924734][ T32] r4:00000000 [ 1339.924752][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.924788][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.924815][ T32] 9d20: c9b44000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.924842][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.924869][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.924893][ T32] r5:80070013 r4:80239bb0 [ 1339.924913][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.924956][ T32] r4:82ac11a4 [ 1339.924975][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 7 printk messages dropped ** [ 1339.925283][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1339.925764][ T32] r4:8454d780 ** 6 printk messages dropped ** [ 1339.926021][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1339.926464][ T32] Call trace: ** 5 printk messages dropped ** [ 1339.926795][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1339.927421][ T32] r5:00001000 r4:eb353000 [ 1339.927443][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1339.927605][ T32] r7:ddde2d80 r6:83018200 r5:856aa38c r4:8560d380 ** 5 printk messages dropped ** [ 1339.927868][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1339.928111][ T32] r4:8561d700 ** 2 printk messages dropped ** [ 1339.928561][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1339.929016][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 8 printk messages dropped ** [ 1339.929378][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1339.951317][ T32] r5:85a7af8c r4:85a7ac00 ** 7 printk messages dropped ** [ 1339.951746][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1339.952000][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1339.952231][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1339.952789][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb989e08 ** 9 printk messages dropped ** [ 1339.953303][ T32] r5:00001000 r4:eb871000 [ 1339.953351][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1339.953628][ T32] r4:85617000 ** 5 printk messages dropped ** [ 1339.953943][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1339.954052][ T32] r4:85665940 [ 1339.954560][ T32] INFO: task kworker/0:386:5334 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1339.954622][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.954728][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.954776][ T32] Call trace: [ 1339.954807][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1339.954880][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1339.954932][ T32] r4:00000000 [ 1339.954955][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1339.955075][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1339.955109][ T32] 9d20: c9ec2000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1339.955139][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.955166][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.955190][ T32] r5:80070013 r4:80239bb0 [ 1339.955210][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.955260][ T32] r4:82ac11a4 [ 1339.955308][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.955409][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.955435][ T32] r4:e47b9dc0 [ 1339.955505][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.955555][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.955579][ T32] r4:00000000 [ 1339.955624][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.955696][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.955747][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.955795][ T32] r5:00001000 r4:ece91000 [ 1339.955816][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.955879][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.955937][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.956014][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.956096][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1339.956121][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.956191][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.956217][ T32] r4:8454d780 [ 1339.956257][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.956305][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.956354][ T32] r4:00000001 [ 1339.956383][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.956420][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.956465][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.956522][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.956552][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.956580][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1339.956743][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1339.957049][ T32] r4:8564bc00 ** 4 printk messages dropped ** [ 1339.957293][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb98de08 ** 9 printk messages dropped ** [ 1339.957640][ T32] r5:00001000 r4:eb455000 [ 1339.957660][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.957735][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1339.957949][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 5 printk messages dropped ** [ 1339.958123][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 10 printk messages dropped ** [ 1339.959261][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 9 printk messages dropped ** [ 1339.959701][ T32] r4:e47b9dc0 ** 6 printk messages dropped ** [ 1339.982964][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1339.983260][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1339.983491][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1339.984071][ T32] Call trace: ** 4 printk messages dropped ** [ 1339.984359][ T32] r5:8564c800 r4:82918808 ** 4 printk messages dropped ** [ 1339.984612][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1339.984960][ T32] r5:00001000 r4:eb431000 ** 4 printk messages dropped ** [ 1339.985156][ T32] r7:ddde2d80 r6:83018200 r5:856aa78c r4:8560d600 ** 7 printk messages dropped ** [ 1339.985487][ T32] Exception stack(0xeb991fb0 to 0xeb991ff8) ** 6 printk messages dropped ** [ 1339.986357][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1339.986750][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1339.986774][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1339.986797][ T32] r5:80070013 r4:80239bb0 [ 1339.986817][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1339.986863][ T32] r4:82ac11a4 [ 1339.986883][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1339.986942][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1339.986994][ T32] r4:e47b9dc0 [ 1339.987017][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1339.987067][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1339.987114][ T32] r4:00000000 [ 1339.987138][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1339.987183][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1339.987205][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1339.987246][ T32] r5:00001000 r4:ece91000 [ 1339.987282][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1339.987516][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1339.987561][ T32] r5:85a7af8c r4:85a7ac00 [ 1339.987582][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1339.987630][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1339.987651][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1339.987694][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1339.987716][ T32] r4:8454d780 [ 1339.987734][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1339.987776][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1339.987797][ T32] r4:00000001 [ 1339.987815][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1339.988123][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1339.988154][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1339.988734][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1339.988765][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1339.988795][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1339.989080][ T32] r4:84e5a340 [ 1339.989179][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1339.989209][ T32] INFO: task kworker/1:716:5341 blocked for more than 466 seconds. [ 1339.989239][ T32] Not tainted 6.15.0-syzkaller #0 [ 1339.989261][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1339.989319][ T32] task:kworker/1:716 state:D stack:0 pid:5341 tgid:5341 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1339.989379][ T32] Workqueue: events bpf_prog_free_deferred [ 1339.989450][ T32] Call trace: [ 1339.989480][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1339.989526][ T32] r10:8291880c r9:eb985d84 r8:00000002 r7:60000113 r6:eb985d8c r5:8564d400 [ 1339.989550][ T32] r4:8564d400 [ 1339.989594][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1339.989660][ T32] r5:8564d400 r4:82918808 [ 1339.989684][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1339.989720][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1339.989815][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb985e08 [ 1340.020317][ T32] r4:00000000 [ 1340.020364][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.020434][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.020508][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.020561][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856057c0 [ 1340.020587][ T32] r4:00000000 [ 1340.020610][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.020660][ T32] r9:83018205 r8:8564d400 r7:00000000 r6:83018200 r5:00001000 r4:7f071000 [ 1340.020684][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.020732][ T32] r5:00001000 r4:eb4a3000 [ 1340.020754][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.020795][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.020842][ T32] r5:856aaf8c r4:856aac00 [ 1340.020863][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.020940][ T32] r7:ddde2d80 r6:83018200 r5:856aaf8c r4:8560d700 [ 1340.020966][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.021016][ T32] r10:61c88647 r9:8564d400 r8:8560d72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.021054][ T32] r4:8560d700 [ 1340.021081][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.021131][ T32] r10:00000000 r9:8560d700 r8:8027f5e8 r7:eb98de60 r6:8560d780 r5:8564d400 [ 1340.021155][ T32] r4:00000001 [ 1340.021176][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.021220][ T32] Exception stack(0xeb985fb0 to 0xeb985ff8) [ 1340.021254][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1340.021285][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.021370][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.021430][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 2 printk messages dropped ** [ 1340.022202][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1340.023867][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1340.024177][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1340.025657][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1340.026254][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1340.026703][ T32] task:kworker/1:717 state:D stack:0 pid:5342 tgid:5342 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.026887][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.026934][ T32] Call trace: [ 1340.026981][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1340.027032][ T32] r10:8291880c r9:eb82dd84 r8:00000002 r7:60000113 r6:eb82dd8c r5:8564e000 [ 1340.027104][ T32] r4:8564e000 [ 1340.027128][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1340.027540][ T32] r5:8564e000 r4:82918808 [ 1340.027565][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.027641][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.027689][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb82de08 [ 1340.027738][ T32] r4:00000000 [ 1340.027789][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.027855][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.027898][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.027942][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85605980 [ 1340.028011][ T32] r4:00000000 [ 1340.028052][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.028118][ T32] r9:83018205 r8:8564e000 r7:00000000 r6:83018200 r5:00001000 r4:7f073000 [ 1340.028143][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.028431][ T32] r5:00001000 r4:eb4e5000 [ 1340.028871][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.028913][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.029022][ T32] r5:856ab38c r4:856ab000 [ 1340.029051][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.029097][ T32] r7:ddde2d80 r6:83018200 r5:856ab38c r4:8560d800 [ 1340.029118][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.029164][ T32] r10:61c88647 r9:8564e000 r8:8560d82c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.029194][ T32] r4:8560d800 [ 1340.029726][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.029774][ T32] r10:00000000 r9:8560d800 r8:8027f5e8 r7:eb985e60 r6:8560d880 r5:8564e000 [ 1340.029863][ T32] r4:00000001 [ 1340.070272][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.070546][ T32] Exception stack(0xeb82dfb0 to 0xeb82dff8) [ 1340.070671][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.070726][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.070853][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.070940][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.070980][ T32] r4:85605540 [ 1340.071616][ T32] INFO: task kworker/1:717:5342 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.071660][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.071749][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.071840][ T32] Call trace: [ 1340.071915][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.072049][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.072117][ T32] r4:00000000 [ 1340.072163][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.072249][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.072290][ T32] 9d20: cb181000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.072329][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.072422][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.072449][ T32] r5:80070013 r4:80239bb0 [ 1340.072471][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 5 printk messages dropped ** [ 1340.072786][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1340.073298][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1340.073489][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1340.073821][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1340.074124][ T32] r10:8291880c r9:eb995d84 r8:00000002 r7:60000113 r6:eb995d8c r5:8564ec00 ** 9 printk messages dropped ** [ 1340.074639][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1340.074923][ T32] r5:00001000 r4:eb52d000 [ 1340.074945][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1340.075126][ T32] r7:ddde2d80 r6:83018200 r5:856ab78c r4:8560d900 ** 7 printk messages dropped ** [ 1340.075435][ T32] Exception stack(0xeb995fb0 to 0xeb995ff8) ** 4 printk messages dropped ** [ 1340.075626][ T32] r4:856058c0 ** 1 printk messages dropped ** [ 1340.075986][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.076046][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.076088][ T32] Call trace: [ 1340.076162][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.076214][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.076238][ T32] r4:00000000 [ 1340.076258][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.076302][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.076339][ T32] 9d20: cb181000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.076391][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.076439][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.076465][ T32] r5:80070013 r4:80239bb0 [ 1340.076485][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.076528][ T32] r4:82ac11a4 [ 1340.076548][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.076593][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.076614][ T32] r4:e47b9dc0 [ 1340.076632][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.076674][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.076695][ T32] r4:00000000 [ 1340.076714][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.076756][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.076806][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.076876][ T32] r5:00001000 r4:ece91000 [ 1340.076900][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.076939][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.076983][ T32] r5:85a7af8c r4:85a7ac00 [ 1340.077004][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.077055][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 1 printk messages dropped ** [ 1340.077120][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1340.077445][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1340.077805][ T32] r4:85649800 ** 5 printk messages dropped ** [ 1340.078005][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1340.078249][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1340.078384][ T32] r5:00001000 r4:eb541000 [ 1340.078434][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.078476][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.078517][ T32] r5:856abb8c r4:856ab800 [ 1340.078539][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.078582][ T32] r7:ddde2d80 r6:83018200 r5:856abb8c r4:8560da00 [ 1340.078602][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.078647][ T32] r10:61c88647 r9:85649800 r8:8560da2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.078668][ T32] r4:8560da00 [ 1340.078686][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.078727][ T32] r10:00000000 r9:8560da00 r8:8027f5e8 r7:eb995e60 r6:8560da80 r5:85649800 [ 1340.078769][ T32] r4:00000001 [ 1340.078812][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.078850][ T32] Exception stack(0xeb999fb0 to 0xeb999ff8) [ 1340.078881][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.078910][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.078938][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.078986][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.079012][ T32] r4:85605900 [ 1340.079312][ T32] INFO: task kworker/1:719:5346 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.079343][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.079406][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.079448][ T32] Call trace: [ 1340.079477][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.079523][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.079545][ T32] r4:00000000 [ 1340.079584][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.079633][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.079663][ T32] 9d20: cb181000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.079691][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.079784][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.104323][ T32] r5:80070013 r4:80239bb0 [ 1340.104371][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.104470][ T32] r4:82ac11a4 [ 1340.104499][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.104550][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.104573][ T32] r4:e47b9dc0 [ 1340.104593][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.104637][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.104660][ T32] r4:00000000 [ 1340.104679][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.104762][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 4 printk messages dropped ** [ 1340.105000][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1340.105137][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1340.105570][ T32] r4:84e5a340 ** 8 printk messages dropped ** [ 1340.106088][ T32] r10:8291880c r9:eb9a5d84 r8:00000002 r7:60000013 r6:eb9a5d8c r5:8563ec00 ** 10 printk messages dropped ** [ 1340.106613][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85658f80 ** 4 printk messages dropped ** [ 1340.106835][ T32] r5:00001000 r4:eb649000 ** 2 printk messages dropped ** [ 1340.106967][ T32] r5:856b478c r4:856b4400 ** 1 printk messages dropped ** [ 1340.107118][ T32] r7:ddde2d80 r6:83018200 r5:856b478c r4:8560db00 [ 1340.107156][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.107235][ T32] r10:61c88647 r9:8563ec00 r8:8560db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.107262][ T32] r4:8560db00 [ 1340.107283][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.107326][ T32] r10:00000000 r9:8560db00 r8:8027f5e8 r7:eb999e60 r6:85617080 r5:8563ec00 [ 1340.107348][ T32] r4:00000001 [ 1340.107366][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.107435][ T32] Exception stack(0xeb9a5fb0 to 0xeb9a5ff8) [ 1340.107495][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1340.107527][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.107605][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.107681][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.107705][ T32] r4:85605ac0 [ 1340.108245][ T32] INFO: task kworker/1:720:5348 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.108283][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.108380][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.108447][ T32] Call trace: [ 1340.108497][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.108570][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.108616][ T32] r4:00000000 [ 1340.108639][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.108696][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.108727][ T32] 9d20: cbafd000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.108765][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.108793][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.108815][ T32] r5:80070013 r4:80239bb0 [ 1340.108850][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.108896][ T32] r4:82ac11a4 [ 1340.108935][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.108984][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.109040][ T32] r4:e47b9dc0 ** 2 printk messages dropped ** [ 1340.109132][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1340.109390][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1340.109572][ T32] r4:8454d780 ** 5 printk messages dropped ** [ 1340.118503][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1340.118883][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1340.119285][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9a9e08 ** 8 printk messages dropped ** [ 1340.119580][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.119619][ T32] r5:00001000 r4:eb5df000 [ 1340.119639][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1340.124322][ T32] r10:61c88647 r9:84d06000 r8:8560dbac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1340.124857][ T32] r4:85605ac0 ** 7 printk messages dropped ** [ 1340.125809][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 9 printk messages dropped ** [ 1340.126254][ T32] r4:e47b9dc0 ** 8 printk messages dropped ** [ 1340.126550][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1340.127014][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1340.127280][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1340.127564][ T32] r4:84d05400 ** 4 printk messages dropped ** [ 1340.127744][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9b1e08 [ 1340.127777][ T32] r4:00000000 [ 1340.127796][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.127832][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.127869][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.127910][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85605f80 [ 1340.127931][ T32] r4:00000000 [ 1340.127950][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.128015][ T32] r9:83018205 r8:84d05400 r7:00000000 r6:83018200 r5:00001000 r4:7f07b000 [ 1340.128040][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.128082][ T32] r5:00001000 r4:eb5fb000 [ 1340.128116][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.128159][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.128215][ T32] r5:856b438c r4:856b4000 [ 1340.128257][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.128305][ T32] r7:ddde2d80 r6:83018200 r5:856b438c r4:8560dc00 [ 1340.128326][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.128369][ T32] r10:61c88647 r9:84d05400 r8:8560dc2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.128390][ T32] r4:8560dc00 [ 1340.128409][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.128470][ T32] r10:00000000 r9:8560dc00 r8:8027f5e8 r7:eb9a5e60 r6:85617180 r5:84d05400 [ 1340.128495][ T32] r4:00000001 [ 1340.128534][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.128594][ T32] Exception stack(0xeb9b1fb0 to 0xeb9b1ff8) [ 1340.128623][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1340.128651][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.128679][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.128726][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.128789][ T32] r4:85605e40 [ 1340.129127][ T32] INFO: task kworker/1:722:5351 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.129168][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.129247][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.129335][ T32] Call trace: [ 1340.129366][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.129414][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.129436][ T32] r4:00000000 [ 1340.129476][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.129517][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.129545][ T32] 9d20: cbafd000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.129593][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.129631][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.129655][ T32] r5:80070013 r4:80239bb0 [ 1340.129676][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.129742][ T32] r4:82ac11a4 [ 1340.129815][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.146293][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 6 printk messages dropped ** [ 1340.146629][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 10 printk messages dropped ** [ 1340.147131][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 11 printk messages dropped ** [ 1340.147537][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 10 printk messages dropped ** [ 1340.147999][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9b9e08 ** 9 printk messages dropped ** [ 1340.148453][ T32] r5:00001000 r4:eb6a5000 [ 1340.148476][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1340.148647][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 2 printk messages dropped ** [ 1340.148789][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.148861][ T32] r10:00000000 r9:8560dc80 r8:8027f5e8 r7:eb9a5e60 r6:85617200 r5:84d04800 [ 1340.148911][ T32] r4:00000001 [ 1340.148934][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.148996][ T32] Exception stack(0xeb9b9fb0 to 0xeb9b9ff8) [ 1340.149025][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.149060][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.149112][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.149157][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.149182][ T32] r4:85658e40 [ 1340.149688][ T32] INFO: task kworker/1:723:5354 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.149725][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.162707][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.162823][ T32] Call trace: [ 1340.162867][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.162930][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.162956][ T32] r4:00000000 [ 1340.162977][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.163017][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.163058][ T32] 9d20: cc331000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.163089][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.163114][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.163137][ T32] r5:80070013 r4:80239bb0 [ 1340.163183][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.163247][ T32] r4:82ac11a4 [ 1340.163271][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.163345][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.163398][ T32] r4:e47b9dc0 [ 1340.163422][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.163477][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.163503][ T32] r4:00000000 [ 1340.163528][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.163589][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.163620][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.163665][ T32] r5:00001000 r4:ece91000 [ 1340.163685][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.163724][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.163767][ T32] r5:85a7af8c r4:85a7ac00 [ 1340.163788][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.163834][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1340.163856][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.163900][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1340.164176][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1340.164570][ T32] Call trace: ** 5 printk messages dropped ** [ 1340.164804][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1340.165080][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8565d680 [ 1340.165131][ T32] r4:00000000 [ 1340.165154][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.165248][ T32] r9:83018205 r8:84d06c00 r7:00000000 r6:83018200 r5:00001000 r4:7f07f000 [ 1340.165299][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.165345][ T32] r5:00001000 r4:eb66d000 [ 1340.165365][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.165414][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.165458][ T32] r5:856b4b8c r4:856b4800 [ 1340.165479][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.165521][ T32] r7:ddde2d80 r6:83018200 r5:856b4b8c r4:8560dd00 [ 1340.165553][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.165666][ T32] r10:61c88647 r9:84d06c00 r8:8560dd2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.165692][ T32] r4:8560dd00 [ 1340.165761][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.165808][ T32] r10:00000000 r9:8560dd00 r8:8027f5e8 r7:eb9b9e60 r6:85617280 r5:84d06c00 [ 1340.165848][ T32] r4:00000001 [ 1340.165870][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.165906][ T32] Exception stack(0xeb9bdfb0 to 0xeb9bdff8) [ 1340.165933][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.165960][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.165987][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.166015][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.166043][ T32] r4:85605000 [ 1340.166540][ T32] INFO: task kworker/1:724:5355 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.166576][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.166635][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.166733][ T32] Call trace: [ 1340.166763][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.166847][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.166874][ T32] r4:00000000 [ 1340.166896][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.167064][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.167097][ T32] 9d20: cc331000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.167126][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 6 printk messages dropped ** [ 1340.167589][ T32] r4:e47b9dc0 ** 13 printk messages dropped ** [ 1340.168448][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 17 printk messages dropped ** [ 1340.169327][ T32] Call trace: ** 12 printk messages dropped ** [ 1340.182299][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85608300 ** 6 printk messages dropped ** [ 1340.182600][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 15 printk messages dropped ** [ 1340.183209][ T32] r4:85608040 ** 1 printk messages dropped ** [ 1340.183734][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.183825][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.183910][ T32] Call trace: [ 1340.184100][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.184169][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.184196][ T32] r4:00000000 [ 1340.184216][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.184254][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.184282][ T32] 9d20: cc42a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.184336][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.184395][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.184454][ T32] r5:80070013 r4:80239bb0 [ 1340.184479][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.184524][ T32] r4:82ac11a4 [ 1340.184556][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 3 printk messages dropped ** [ 1340.184797][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 20 printk messages dropped ** [ 1340.185681][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 18 printk messages dropped ** [ 1340.186583][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1340.186899][ T32] r5:00001000 r4:eb817000 ** 9 printk messages dropped ** [ 1340.187270][ T32] r10:00000000 r9:8560de80 r8:8027f5e8 r7:eb99de60 r6:8560df00 r5:85650c00 ** 25 printk messages dropped ** [ 1340.188599][ T32] r4:e47b9dc0 ** 14 printk messages dropped ** [ 1340.189223][ T32] r4:8454d780 ** 14 printk messages dropped ** [ 1340.189654][ T32] task:kworker/1:727 state:D stack:0 pid:5362 tgid:5362 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 19 printk messages dropped ** [ 1340.211090][ T32] r5:00001000 r4:eb9cb000 ** 5 printk messages dropped ** [ 1340.211277][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1340.211435][ T32] r4:00000001 [ 1340.211484][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.211550][ T32] Exception stack(0xeb9adfb0 to 0xeb9adff8) [ 1340.211609][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.211641][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.211668][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.211699][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.211722][ T32] r4:85608640 [ 1340.212271][ T32] INFO: task kworker/1:727:5362 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.212313][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.212381][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.212481][ T32] Call trace: [ 1340.212516][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.212566][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.212601][ T32] r4:00000000 [ 1340.212625][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.212665][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 2 printk messages dropped ** [ 1340.212747][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 19 printk messages dropped ** [ 1340.213664][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 26 printk messages dropped ** [ 1340.215340][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1340.215831][ T32] r5:00001000 r4:eb841000 ** 2 printk messages dropped ** [ 1340.215970][ T32] r5:856b5b8c r4:856b5800 ** 11 printk messages dropped ** [ 1340.216947][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 22 printk messages dropped ** [ 1340.218119][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 17 printk messages dropped ** [ 1340.218868][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 13 printk messages dropped ** [ 1340.219591][ T32] r10:8291880c r9:eb9c5d84 r8:00000002 r7:60000113 r6:eb9c5d8c r5:85653c00 ** 6 printk messages dropped ** [ 1340.253529][ T32] r4:00000000 [ 1340.253587][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.253653][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.253699][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.253742][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85608b40 [ 1340.254789][ T32] r4:00000000 [ 1340.254821][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.256045][ T32] r9:83018205 r8:85653c00 r7:00000000 r6:83018200 r5:00001000 r4:7f08f000 [ 1340.256665][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.256738][ T32] r5:00001000 r4:eb9df000 [ 1340.256864][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.256908][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.256950][ T32] r5:856b638c r4:856b6000 [ 1340.256970][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.257017][ T32] r7:ddde2d80 r6:83018200 r5:856b638c r4:8561e180 [ 1340.257045][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.257091][ T32] r10:61c88647 r9:85653c00 r8:8561e1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.257113][ T32] r4:8561e180 [ 1340.257132][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.257175][ T32] r10:00000000 r9:8561e180 r8:8027f5e8 r7:eb9ade60 r6:85617300 r5:85653c00 [ 1340.257196][ T32] r4:00000001 [ 1340.257280][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.257324][ T32] Exception stack(0xeb9c5fb0 to 0xeb9c5ff8) [ 1340.257597][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1340.257793][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.257823][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.257852][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.258019][ T32] r4:856087c0 [ 1340.258535][ T32] INFO: task kworker/1:729:5366 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.258612][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.258921][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.258969][ T32] Call trace: [ 1340.259001][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.259056][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.259081][ T32] r4:00000000 [ 1340.259101][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.259138][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.259166][ T32] 9d20: ccffd000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.259195][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.259220][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.259243][ T32] r5:80070013 r4:80239bb0 [ 1340.259263][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.259307][ T32] r4:82ac11a4 [ 1340.259327][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 8 printk messages dropped ** [ 1340.285893][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1340.286183][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1340.286820][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1340.287639][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 10 printk messages dropped ** [ 1340.288135][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1340.288323][ T32] r5:00001000 r4:eba87000 ** 1 printk messages dropped ** [ 1340.288691][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1340.289101][ T32] r10:00000000 r9:85617380 r8:8027f5e8 r7:eb875e60 r6:85617400 r5:84d01800 ** 9 printk messages dropped ** [ 1340.292293][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1340.292878][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1340.293207][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1340.293815][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1340.294164][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1340.295103][ T32] r10:8291880c r9:eb9e9d84 r8:00000002 r7:60000013 r6:eb9e9d8c r5:84d00000 ** 9 printk messages dropped ** [ 1340.295489][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1340.296036][ T32] r5:00001000 r4:eb9fb000 ** 2 printk messages dropped ** [ 1340.296268][ T32] r5:856b6b8c r4:856b6800 ** 4 printk messages dropped ** [ 1340.296468][ T32] r4:8561e200 ** 5 printk messages dropped ** [ 1340.296654][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1340.297569][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 2 printk messages dropped ** [ 1340.297663][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.297700][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.297728][ T32] 9d20: cd650000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.297755][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.297779][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.297832][ T32] r5:80070013 r4:80239bb0 [ 1340.297886][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.297934][ T32] r4:82ac11a4 [ 1340.298002][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.298057][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.298080][ T32] r4:e47b9dc0 [ 1340.298099][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.298141][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.298163][ T32] r4:00000000 [ 1340.298239][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.298292][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.298345][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.298503][ T32] r5:00001000 r4:ece91000 [ 1340.298528][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.298569][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.298664][ T32] r5:85a7af8c r4:85a7ac00 [ 1340.298769][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.298825][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1340.298883][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.298932][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.298955][ T32] r4:8454d780 [ 1340.298975][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.299019][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1340.299208][ T32] r4:00000001 [ 1340.299231][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.299269][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.299296][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.299324][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.299350][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.299410][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.299523][ T32] r4:84e5a340 [ 1340.299546][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.299574][ T32] INFO: task kworker/1:731:5372 blocked for more than 466 seconds. [ 1340.299603][ T32] Not tainted 6.15.0-syzkaller #0 [ 1340.299626][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.299647][ T32] task:kworker/1:731 state:D stack:0 pid:5372 tgid:5372 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.322287][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.322447][ T32] Call trace: [ 1340.322522][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1340.322586][ T32] r10:8291880c r9:eb9edd84 r8:00000002 r7:60000113 r6:eb9edd8c r5:84d03000 [ 1340.322611][ T32] r4:84d03000 [ 1340.322631][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1340.322674][ T32] r5:84d03000 r4:82918808 [ 1340.322725][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.322799][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.322847][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9ede08 [ 1340.322873][ T32] r4:00000000 [ 1340.322923][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.322965][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.323009][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.323080][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85608d80 [ 1340.323194][ T32] r4:00000000 [ 1340.323218][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.323265][ T32] r9:83018205 r8:84d03000 r7:00000000 r6:83018200 r5:00001000 r4:7f091000 [ 1340.323287][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.323413][ T32] r5:00001000 r4:eb9ef000 [ 1340.323442][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.323516][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.323609][ T32] r5:856b678c r4:856b6400 [ 1340.323718][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.323941][ T32] r7:ddde2d80 r6:83018200 r5:856b678c r4:8561e280 [ 1340.323971][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.324020][ T32] r10:61c88647 r9:84d03000 r8:8561e2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.324068][ T32] r4:8561e280 [ 1340.325049][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.325275][ T32] r10:00000000 r9:8561e280 r8:8027f5e8 r7:eb9e9e60 r6:85617500 r5:84d03000 [ 1340.326219][ T32] r4:00000001 [ 1340.326426][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.326544][ T32] Exception stack(0xeb9edfb0 to 0xeb9edff8) [ 1340.326577][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.326608][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.326635][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.326667][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1340.329326][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1340.351488][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 11 printk messages dropped ** [ 1340.353310][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1340.354432][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1340.355661][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1340.356074][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1340.356654][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1340.357175][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1340.357422][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.357463][ T32] r5:856b6f8c r4:856b6c00 [ 1340.357483][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.357591][ T32] r7:ddde2d80 r6:83018200 r5:856b6f8c r4:8561e300 [ 1340.357615][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.357660][ T32] r10:61c88647 r9:8550d400 r8:8561e32c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.357681][ T32] r4:8561e300 [ 1340.357701][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.357790][ T32] r10:00000000 r9:8561e300 r8:8027f5e8 r7:eb9e9e60 r6:85617580 r5:8550d400 [ 1340.357890][ T32] r4:00000001 [ 1340.357996][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.358103][ T32] Exception stack(0xeba09fb0 to 0xeba09ff8) [ 1340.358134][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.358162][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.358232][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.358265][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.358289][ T32] r4:85608cc0 [ 1340.359074][ T32] INFO: task kworker/1:732:5375 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.359126][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.359188][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.382060][ T32] Call trace: [ 1340.382142][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.382244][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.382271][ T32] r4:00000000 [ 1340.382292][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.382334][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.382365][ T32] 9d20: ce314000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.382394][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.382451][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.382480][ T32] r5:80070013 r4:80239bb0 [ 1340.382501][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.382549][ T32] r4:82ac11a4 [ 1340.382613][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.382664][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.382688][ T32] r4:e47b9dc0 [ 1340.382708][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.382752][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.382850][ T32] r4:00000000 [ 1340.382876][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.382923][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.382948][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.382994][ T32] r5:00001000 r4:ece91000 ** 4 printk messages dropped ** [ 1340.383369][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 8 printk messages dropped ** [ 1340.383926][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1340.384426][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1340.384746][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1340.385185][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.385228][ T32] r5:00001000 r4:eba7f000 [ 1340.385265][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1340.385478][ T32] r10:61c88647 r9:84c60000 r8:8561762c r7:82804d40 r6:dddced80 r5:dddceda0 ** 10 printk messages dropped ** [ 1340.385815][ T32] r4:85659380 ** 4 printk messages dropped ** [ 1340.386509][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 11 printk messages dropped ** [ 1340.387291][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 9 printk messages dropped ** [ 1340.387952][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1340.388419][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1340.388601][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1340.388836][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1340.389372][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba1de08 ** 8 printk messages dropped ** [ 1340.408809][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1340.408946][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1340.409599][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1340.421494][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1340.422669][ T32] 9d20: ce9f4000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 9 printk messages dropped ** [ 1340.423647][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1340.424176][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1340.424312][ T32] r4:00000001 [ 1340.424330][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.424403][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.424472][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.424503][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.424529][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.424558][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.424610][ T32] r4:84e5a340 [ 1340.424636][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.424675][ T32] INFO: task kworker/1:734:5379 blocked for more than 466 seconds. [ 1340.424709][ T32] Not tainted 6.15.0-syzkaller #0 [ 1340.424733][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.424754][ T32] task:kworker/1:734 state:D stack:0 pid:5379 tgid:5379 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.424861][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.424982][ T32] Call trace: [ 1340.425016][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1340.425069][ T32] r10:8291880c r9:eba29d84 r8:00000002 r7:60000013 r6:eba29d8c r5:84c62400 [ 1340.425193][ T32] r4:84c62400 [ 1340.425275][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1340.425317][ T32] r5:84c62400 r4:82918808 [ 1340.425339][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.425374][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.425415][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba29e08 [ 1340.425437][ T32] r4:00000000 [ 1340.425456][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.425489][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.425552][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.425674][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85605f00 [ 1340.425699][ T32] r4:00000000 [ 1340.425721][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.425763][ T32] r9:83018205 r8:84c62400 r7:00000000 r6:83018200 r5:00001000 r4:7f097000 [ 1340.425978][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.426024][ T32] r5:00001000 r4:eba1f000 [ 1340.426045][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.426114][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.426159][ T32] r5:856b738c r4:856b7000 [ 1340.426179][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.426299][ T32] r7:ddde2d80 r6:83018200 r5:856b738c r4:8561e400 [ 1340.426400][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.426451][ T32] r10:61c88647 r9:84c62400 r8:8561e42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.426473][ T32] r4:8561e400 [ 1340.426492][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.426535][ T32] r10:00000000 r9:8561e400 r8:8027f5e8 r7:eba1de60 r6:85617780 r5:84c62400 [ 1340.426558][ T32] r4:00000001 [ 1340.426577][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.426612][ T32] Exception stack(0xeba29fb0 to 0xeba29ff8) [ 1340.426637][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.426664][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.426690][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.426717][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.426762][ T32] r4:85608e00 [ 1340.427096][ T32] INFO: task kworker/1:734:5379 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.427133][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.427297][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.427350][ T32] Call trace: [ 1340.427692][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.427744][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.427769][ T32] r4:00000000 [ 1340.427876][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.427919][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.428001][ T32] 9d20: ce9f4000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.428036][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.428066][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.428119][ T32] r5:80070013 r4:80239bb0 [ 1340.428178][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.428227][ T32] r4:82ac11a4 [ 1340.428247][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.428293][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.428348][ T32] r4:e47b9dc0 [ 1340.428399][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.428446][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.428502][ T32] r4:00000000 [ 1340.428538][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.428589][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.428612][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.428667][ T32] r5:00001000 r4:ece91000 [ 1340.428691][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1340.429134][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 5 printk messages dropped ** [ 1340.429648][ T32] r4:00000001 [ 1340.429670][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.429707][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.429734][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.429762][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.451582][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.451856][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.451966][ T32] r4:84e5a340 [ 1340.451996][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.452028][ T32] INFO: task kworker/1:735:5381 blocked for more than 466 seconds. [ 1340.452083][ T32] Not tainted 6.15.0-syzkaller #0 [ 1340.452554][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.452581][ T32] task:kworker/1:735 state:D stack:0 pid:5381 tgid:5381 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.452639][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.452698][ T32] Call trace: [ 1340.452920][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1340.453106][ T32] r10:8291880c r9:eba39d84 r8:00000002 r7:60000113 r6:eba39d8c r5:84c60c00 [ 1340.453133][ T32] r4:84c60c00 [ 1340.453214][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1340.453257][ T32] r5:84c60c00 r4:82918808 [ 1340.453427][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.453472][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.453618][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba39e08 [ 1340.453688][ T32] r4:00000000 [ 1340.453713][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.453751][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.453792][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.453835][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856140c0 [ 1340.453857][ T32] r4:00000000 [ 1340.453911][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.453964][ T32] r9:83018205 r8:84c60c00 r7:00000000 r6:83018200 r5:00001000 r4:7f099000 [ 1340.454040][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.454090][ T32] r5:00001000 r4:eba2f000 [ 1340.454110][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1340.454313][ T32] r5:856b778c r4:856b7400 ** 2 printk messages dropped ** [ 1340.454486][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1340.454876][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1340.455719][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 9 printk messages dropped ** [ 1340.456113][ T32] r4:e47b9dc0 ** 6 printk messages dropped ** [ 1340.456405][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1340.456749][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1340.457151][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1340.457537][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 8 printk messages dropped ** [ 1340.457857][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1340.458172][ T32] r5:00001000 r4:eba3f000 ** 1 printk messages dropped ** [ 1340.458314][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1340.458677][ T32] r10:00000000 r9:8561e480 r8:8027f5e8 r7:eba1de60 r6:8561e580 r5:85652400 ** 10 printk messages dropped ** [ 1340.459388][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1340.459634][ T32] 9d20: cf19b000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 10 printk messages dropped ** [ 1340.484621][ T32] r4:00000000 [ 1340.484688][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.484738][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.484809][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.484856][ T32] r5:00001000 r4:ece91000 [ 1340.484877][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.484914][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.484955][ T32] r5:85a7af8c r4:85a7ac00 [ 1340.485024][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.485084][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1340.485124][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.485172][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.485194][ T32] r4:8454d780 [ 1340.485280][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.485329][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1340.485382][ T32] r4:00000001 [ 1340.485436][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.485526][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.485560][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.485588][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.485674][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.485759][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.485785][ T32] r4:84e5a340 [ 1340.485858][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.485891][ T32] INFO: task kworker/1:737:5385 blocked for more than 466 seconds. [ 1340.485957][ T32] Not tainted 6.15.0-syzkaller #0 [ 1340.485984][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.486082][ T32] task:kworker/1:737 state:D stack:0 pid:5385 tgid:5385 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.486143][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.486223][ T32] Call trace: [ 1340.486333][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1340.486441][ T32] r10:8291880c r9:eba49d84 r8:00000002 r7:60000013 r6:eba49d8c r5:85655400 [ 1340.486468][ T32] r4:85655400 [ 1340.486489][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1340.486561][ T32] r5:85655400 r4:82918808 [ 1340.486615][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.486656][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.486698][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba49e08 [ 1340.486720][ T32] r4:00000000 [ 1340.486738][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.486772][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.486836][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.486914][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85614480 [ 1340.486939][ T32] r4:00000000 [ 1340.486960][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.487038][ T32] r9:83018205 r8:85655400 r7:00000000 r6:83018200 r5:00001000 r4:7f0ab000 [ 1340.487070][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.487167][ T32] r5:00001000 r4:eba4b000 [ 1340.487210][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.487275][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.487344][ T32] r5:856b7f8c r4:856b7c00 [ 1340.487368][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.487432][ T32] r7:ddde2d80 r6:83018200 r5:856b7f8c r4:8561e600 [ 1340.487477][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.487545][ T32] r10:61c88647 r9:85655400 r8:8561e62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.487570][ T32] r4:8561e600 [ 1340.487592][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.487635][ T32] r10:00000000 r9:8561e600 r8:8027f5e8 r7:eba1de60 r6:8561e680 r5:85655400 [ 1340.487657][ T32] r4:00000001 [ 1340.487676][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.487710][ T32] Exception stack(0xeba49fb0 to 0xeba49ff8) [ 1340.487756][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.487787][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.487813][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.487862][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.487888][ T32] r4:85614140 [ 1340.488395][ T32] INFO: task kworker/1:737:5385 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.488451][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 7 printk messages dropped ** [ 1340.488977][ T32] 9d20: cf5f3000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 9 printk messages dropped ** [ 1340.489480][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1340.507659][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1340.508026][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 10 printk messages dropped ** [ 1340.508648][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 8 printk messages dropped ** [ 1340.508976][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1340.509407][ T32] r5:00001000 r4:eba63000 ** 3 printk messages dropped ** [ 1340.509554][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1340.515192][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1340.516277][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 1 printk messages dropped ** [ 1340.516389][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.516434][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.516463][ T32] 9d20: cfe3c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.516524][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.516553][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.516630][ T32] r5:80070013 r4:80239bb0 [ 1340.516683][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.516768][ T32] r4:82ac11a4 [ 1340.516795][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.516845][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.516895][ T32] r4:e47b9dc0 [ 1340.516918][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.516992][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.517018][ T32] r4:00000000 [ 1340.517069][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.517149][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.517175][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.517220][ T32] r5:00001000 r4:ece91000 [ 1340.517272][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.517351][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.517431][ T32] r5:85a7af8c r4:85a7ac00 [ 1340.517482][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.517532][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1340.517601][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.517653][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.517707][ T32] r4:8454d780 [ 1340.517764][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.517811][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1340.517833][ T32] r4:00000001 [ 1340.517852][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.517908][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.517938][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.517966][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.517995][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.518071][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.518125][ T32] r4:84e5a340 [ 1340.518177][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 4 printk messages dropped ** [ 1340.518416][ T32] Workqueue: events bpf_prog_free_deferred ** 9 printk messages dropped ** [ 1340.519003][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1340.519240][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85667d80 ** 4 printk messages dropped ** [ 1340.519499][ T32] r5:00001000 r4:dfd2d000 [ 1340.519553][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1340.536483][ T32] r7:ddde2d80 r6:83018200 r5:856ba38c r4:8561e800 ** 5 printk messages dropped ** [ 1340.536824][ T32] r4:00000001 [ 1340.536843][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.536879][ T32] Exception stack(0xeba61fb0 to 0xeba61ff8) [ 1340.536920][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1340.536963][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.536992][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.537021][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.537054][ T32] r4:85614580 [ 1340.537573][ T32] INFO: task kworker/1:739:5390 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.537609][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.537722][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.537773][ T32] Call trace: [ 1340.537805][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.537857][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.537880][ T32] r4:00000000 [ 1340.537899][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.537936][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.537963][ T32] 9d20: d0351000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.537992][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.538016][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 4 printk messages dropped ** [ 1340.538231][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 9 printk messages dropped ** [ 1340.538601][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1340.538955][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1340.539139][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1340.539483][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 8 printk messages dropped ** [ 1340.546066][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1340.546497][ T32] r5:00001000 r4:eba73000 [ 1340.546518][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1340.546616][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1340.547048][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1340.548054][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1340.548389][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1340.548636][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1340.549064][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 5 printk messages dropped ** [ 1340.549427][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1340.549726][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1340.563433][ T32] task:kworker/0:389 state:D stack:0 pid:5394 tgid:5394 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1340.564021][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1340.564295][ T32] r9:83018005 r8:856d0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0c9000 ** 1 printk messages dropped ** [ 1340.564356][ T32] r5:00001000 r4:ebaa7000 ** 4 printk messages dropped ** [ 1340.564615][ T32] r7:dddced80 r6:83018000 r5:854e978c r4:85617880 ** 8 printk messages dropped ** [ 1340.565020][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1340.565999][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1340.566551][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1340.566763][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1340.566990][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1340.567199][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.567225][ T32] r4:8454d780 [ 1340.567245][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.567321][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1340.567346][ T32] r4:00000001 [ 1340.567365][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.567421][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.567453][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.567501][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.567530][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.567561][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.567582][ T32] r4:84e5a340 [ 1340.567602][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.567648][ T32] INFO: task kworker/1:741:5396 blocked for more than 467 seconds. [ 1340.567680][ T32] Not tainted 6.15.0-syzkaller #0 [ 1340.567703][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.567723][ T32] task:kworker/1:741 state:D stack:0 pid:5396 tgid:5396 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.567765][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.567804][ T32] Call trace: [ 1340.567843][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1340.567893][ T32] r10:8291880c r9:eba99d84 r8:00000002 r7:60000013 r6:eba99d8c r5:856d1800 [ 1340.567924][ T32] r4:856d1800 [ 1340.567948][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1340.568011][ T32] r5:856d1800 r4:82918808 [ 1340.568031][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.568070][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.568112][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba99e08 [ 1340.568133][ T32] r4:00000000 [ 1340.568151][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.568186][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.568222][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.568274][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85659b00 [ 1340.568317][ T32] r4:00000000 [ 1340.568359][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.568407][ T32] r9:83018205 r8:856d1800 r7:00000000 r6:83018200 r5:00001000 r4:7f0c7000 [ 1340.568429][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.568469][ T32] r5:00001000 r4:eba9b000 [ 1340.568489][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.568526][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.568565][ T32] r5:854e938c r4:854e9000 [ 1340.568584][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.568647][ T32] r7:ddde2d80 r6:83018200 r5:854e938c r4:8561ea80 [ 1340.568691][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.568740][ T32] r10:61c88647 r9:856d1800 r8:8561eaac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.568763][ T32] r4:8561ea80 [ 1340.568783][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.568865][ T32] r10:00000000 r9:8561ea80 r8:8027f5e8 r7:eba61e60 r6:8561eb00 r5:856d1800 [ 1340.568891][ T32] r4:00000001 [ 1340.568919][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.568970][ T32] Exception stack(0xeba99fb0 to 0xeba99ff8) [ 1340.569010][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.569061][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.569101][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.569150][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.569179][ T32] r4:85614a40 [ 1340.569492][ T32] INFO: task kworker/1:741:5396 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.569524][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.569578][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.569643][ T32] Call trace: [ 1340.569673][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.569790][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.595177][ T32] r4:00000000 [ 1340.595241][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.595325][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.595363][ T32] 9d20: d117d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.595393][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.595418][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.595443][ T32] r5:80070013 r4:80239bb0 [ 1340.595484][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.595537][ T32] r4:82ac11a4 [ 1340.595557][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.595603][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.595624][ T32] r4:e47b9dc0 [ 1340.595644][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.595687][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.595710][ T32] r4:00000000 [ 1340.595729][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1340.595894][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1340.596266][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1340.596594][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1340.597154][ T32] r4:856d0000 ** 5 printk messages dropped ** [ 1340.597332][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1340.597494][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85659380 ** 4 printk messages dropped ** [ 1340.597640][ T32] r5:00001000 r4:ebab3000 ** 4 printk messages dropped ** [ 1340.597921][ T32] r7:ddde2d80 r6:83018200 r5:854e9b8c r4:8561eb80 ** 7 printk messages dropped ** [ 1340.598246][ T32] Exception stack(0xebaa5fb0 to 0xebaa5ff8) ** 6 printk messages dropped ** [ 1340.598992][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1340.599664][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1340.608334][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 7 printk messages dropped ** [ 1340.608612][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1340.608815][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.608847][ T32] r4:8454d780 [ 1340.608867][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.608925][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1340.608976][ T32] r4:00000001 [ 1340.609019][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.609065][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.609096][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.609144][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.609196][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.609247][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.609294][ T32] r4:84e5a340 [ 1340.609321][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.609372][ T32] INFO: task kworker/0:390:5400 blocked for more than 467 seconds. [ 1340.609410][ T32] Not tainted 6.15.0-syzkaller #0 [ 1340.609435][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.609457][ T32] task:kworker/0:390 state:D stack:0 pid:5400 tgid:5400 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.609568][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.609649][ T32] Call trace: [ 1340.609716][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1340.612798][ T32] r10:8291880c r9:ebabdd84 r8:00000002 r7:60000113 r6:ebabdd8c r5:856d2400 [ 1340.612864][ T32] r4:856d2400 [ 1340.612925][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1340.612985][ T32] r5:856d2400 r4:82918808 [ 1340.613036][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.613120][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.613202][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebabde08 [ 1340.613230][ T32] r4:00000000 [ 1340.613250][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.613320][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.613396][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.613448][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85683ec0 [ 1340.613507][ T32] r4:00000000 [ 1340.613544][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.613594][ T32] r9:83018005 r8:856d2400 r7:00000000 r6:83018000 r5:00001000 r4:7f0df000 [ 1340.613636][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.613722][ T32] r5:00001000 r4:ec435000 [ 1340.613746][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.613820][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.613867][ T32] r5:854ebf8c r4:854ebc00 [ 1340.613926][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.613977][ T32] r7:dddced80 r6:83018000 r5:854ebf8c r4:85617900 [ 1340.614026][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.614079][ T32] r10:61c88647 r9:856d2400 r8:8561792c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1340.614101][ T32] r4:85617900 [ 1340.614160][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.614306][ T32] r10:00000000 r9:85617900 r8:8027f5e8 r7:eba95e60 r6:8561ec80 r5:856d2400 [ 1340.614366][ T32] r4:00000001 [ 1340.614393][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.614433][ T32] Exception stack(0xebabdfb0 to 0xebabdff8) [ 1340.614464][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.614496][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.614527][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.614575][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.614631][ T32] r4:85659bc0 [ 1340.615169][ T32] INFO: task kworker/0:390:5400 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.615209][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.615299][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.615387][ T32] Call trace: [ 1340.615444][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.615528][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.615563][ T32] r4:00000000 [ 1340.615584][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.615623][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.615653][ T32] 9d20: d117d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.615719][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.615773][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.615806][ T32] r5:80070013 r4:80239bb0 [ 1340.615829][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.615876][ T32] r4:82ac11a4 [ 1340.615898][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.615945][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.615990][ T32] r4:e47b9dc0 [ 1340.616014][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.616064][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.616088][ T32] r4:00000000 [ 1340.616108][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.616153][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 1 printk messages dropped ** [ 1340.616271][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1340.616586][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1340.616883][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1340.617208][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1340.617501][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1340.617848][ T32] r9:83018005 r8:856d3c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0d3000 ** 1 printk messages dropped ** [ 1340.617921][ T32] r5:00001000 r4:ebaeb000 ** 4 printk messages dropped ** [ 1340.618154][ T32] r7:dddced80 r6:83018000 r5:854e9f8c r4:85617980 ** 4 printk messages dropped ** [ 1340.618391][ T32] r10:00000000 r9:85617980 r8:8027f5e8 r7:ebabde60 r6:8561ed00 r5:856d3c00 [ 1340.618437][ T32] r4:00000001 [ 1340.618482][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.618523][ T32] Exception stack(0xebab1fb0 to 0xebab1ff8) [ 1340.618572][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1340.618609][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.618637][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.618666][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.618690][ T32] r4:85659bc0 [ 1340.619017][ T32] INFO: task kworker/0:391:5401 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.619055][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.619136][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.619227][ T32] Call trace: [ 1340.619321][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.619375][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.619400][ T32] r4:00000000 [ 1340.619421][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.619459][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.619507][ T32] 9d20: d117d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.619540][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.619566][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.619591][ T32] r5:80070013 r4:80239bb0 [ 1340.619613][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.619658][ T32] r4:82ac11a4 [ 1340.619680][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.619726][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.619797][ T32] r4:e47b9dc0 [ 1340.638016][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.638143][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.638180][ T32] r4:00000000 [ 1340.638227][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.638277][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.638322][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.638375][ T32] r5:00001000 r4:ece91000 [ 1340.638398][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.638439][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.638482][ T32] r5:85a7af8c r4:85a7ac00 [ 1340.638503][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.638572][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1340.638599][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.638667][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.638695][ T32] r4:8454d780 [ 1340.638716][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.638775][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1340.638810][ T32] r4:00000001 [ 1340.638832][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.638870][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.638902][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1340.639218][ T32] Not tainted 6.15.0-syzkaller #0 ** 4 printk messages dropped ** [ 1340.639446][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 9 printk messages dropped ** [ 1340.644125][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1340.644629][ T32] r5:00001000 r4:ebac7000 [ 1340.644656][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1340.644742][ T32] r5:856b8f8c r4:856b8c00 ** 4 printk messages dropped ** [ 1340.644927][ T32] r4:8561ed80 ** 5 printk messages dropped ** [ 1340.645144][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1340.645969][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1340.646263][ T32] 9d20: d17ac000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 13 printk messages dropped ** [ 1340.646906][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1340.647369][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1340.647551][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1340.647891][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1340.648262][ T32] r10:8291880c r9:ebad9d84 r8:00000002 r7:60000013 r6:ebad9d8c r5:856d6000 ** 10 printk messages dropped ** [ 1340.648747][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85667040 ** 4 printk messages dropped ** [ 1340.648934][ T32] r5:00001000 r4:ebacf000 ** 2 printk messages dropped ** [ 1340.649096][ T32] r5:856b938c r4:856b9000 ** 3 printk messages dropped ** [ 1340.649286][ T32] r10:61c88647 r9:856d6000 r8:8561eeac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1340.649635][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1340.667122][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.667228][ T32] Call trace: [ 1340.667282][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.667347][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.667393][ T32] r4:00000000 [ 1340.667422][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.667483][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.667517][ T32] 9d20: d202a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.667546][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.667571][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.667595][ T32] r5:80070013 r4:80239bb0 [ 1340.667615][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.667662][ T32] r4:82ac11a4 [ 1340.667682][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.667727][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.667770][ T32] r4:e47b9dc0 [ 1340.667793][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.667838][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.667860][ T32] r4:00000000 [ 1340.667879][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.667933][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.667999][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.668059][ T32] r5:00001000 r4:ece91000 [ 1340.668102][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.668166][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.668213][ T32] r5:85a7af8c r4:85a7ac00 [ 1340.668233][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.668302][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1340.668348][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.668435][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.668489][ T32] r4:8454d780 [ 1340.668512][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.668557][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1340.668600][ T32] r4:00000001 [ 1340.668643][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.668703][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.668752][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.668783][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.668811][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.668949][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.668999][ T32] r4:84e5a340 [ 1340.669056][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.669090][ T32] INFO: task kworker/1:745:5407 blocked for more than 467 seconds. [ 1340.669125][ T32] Not tainted 6.15.0-syzkaller #0 [ 1340.669151][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.669173][ T32] task:kworker/1:745 state:D stack:0 pid:5407 tgid:5407 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.669216][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.669260][ T32] Call trace: [ 1340.669320][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1340.669372][ T32] r10:8291880c r9:ebae9d84 r8:00000002 r7:60000013 r6:ebae9d8c r5:856d6c00 [ 1340.669395][ T32] r4:856d6c00 [ 1340.669435][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1340.669500][ T32] r5:856d6c00 r4:82918808 [ 1340.669560][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.669604][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.669648][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebae9e08 [ 1340.669705][ T32] r4:00000000 [ 1340.669762][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.680156][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.680278][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.680358][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85667100 [ 1340.680389][ T32] r4:00000000 [ 1340.680430][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.680481][ T32] r9:83018205 r8:856d6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0d1000 [ 1340.680545][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.680604][ T32] r5:00001000 r4:ebadb000 [ 1340.680627][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.680667][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1340.680812][ T32] r7:ddde2d80 r6:83018200 r5:856b978c r4:8561ef80 ** 8 printk messages dropped ** [ 1340.681372][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 10 printk messages dropped ** [ 1340.682512][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1340.682748][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 10 printk messages dropped ** [ 1340.683297][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1340.683628][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1340.684098][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1340.684237][ T32] task:kworker/1:746 state:D stack:0 pid:5409 tgid:5409 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1340.684637][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1340.684808][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85667a00 ** 4 printk messages dropped ** [ 1340.685030][ T32] r5:00001000 r4:dfa5f000 ** 3 printk messages dropped ** [ 1340.685157][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1340.685453][ T32] r10:00000000 r9:8565f080 r8:8027f5e8 r7:eba61e60 r6:8565f100 r5:85645400 [ 1340.685512][ T32] r4:00000001 [ 1340.685540][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.685577][ T32] Exception stack(0xebb01fb0 to 0xebb01ff8) [ 1340.685615][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1340.685646][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.685695][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.685754][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.685780][ T32] r4:85667500 [ 1340.686108][ T32] INFO: task kworker/1:746:5409 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.686141][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.686388][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.686465][ T32] Call trace: [ 1340.686527][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.686581][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.686604][ T32] r4:00000000 [ 1340.686624][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.686660][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.686715][ T32] 9d20: d2159000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.686748][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.686773][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.686796][ T32] r5:80070013 r4:80239bb0 [ 1340.686816][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.686893][ T32] r4:82ac11a4 [ 1340.686917][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.686963][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.686990][ T32] r4:e47b9dc0 [ 1340.687039][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.687091][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.687113][ T32] r4:00000000 [ 1340.687158][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.687234][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.687287][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.687376][ T32] r5:00001000 r4:ece91000 [ 1340.687434][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.687512][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.687557][ T32] r5:85a7af8c r4:85a7ac00 [ 1340.687579][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.687624][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1340.687644][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.687687][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.687709][ T32] r4:8454d780 [ 1340.687746][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.687823][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1340.687851][ T32] r4:00000001 [ 1340.687871][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.687907][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.688014][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.688053][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.688082][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.688111][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.688133][ T32] r4:84e5a340 [ 1340.688180][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 4 printk messages dropped ** [ 1340.688433][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1340.688689][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1340.689183][ T32] r5:00001000 r4:ebaf3000 [ 1340.689202][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.689268][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1340.689430][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1340.720897][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1340.722537][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1340.722875][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 13 printk messages dropped ** [ 1340.724036][ T32] r5:00001000 r4:ece91000 ** 7 printk messages dropped ** [ 1340.724658][ T32] r4:8454d780 ** 7 printk messages dropped ** [ 1340.725170][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 9 printk messages dropped ** [ 1340.725861][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 7 printk messages dropped ** [ 1340.726543][ T32] r4:00000000 [ 1340.726590][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.726682][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.726778][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.726869][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8565eb80 [ 1340.726943][ T32] r4:00000000 [ 1340.727002][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.727126][ T32] r9:83018005 r8:856d9800 r7:00000000 r6:83018000 r5:00001000 r4:7f0a5000 [ 1340.727185][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.727326][ T32] r5:00001000 r4:ebb73000 [ 1340.727378][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.727468][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.727560][ T32] r5:854eab8c r4:854ea800 [ 1340.727620][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.727717][ T32] r7:dddced80 r6:83018000 r5:854eab8c r4:85617a80 [ 1340.727764][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.727882][ T32] r10:61c88647 r9:856d9800 r8:85617aac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1340.727939][ T32] r4:85617a80 [ 1340.728009][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.728109][ T32] r10:00000000 r9:85617a80 r8:8027f5e8 r7:ebabde60 r6:8565f200 r5:856d9800 [ 1340.728196][ T32] r4:00000001 [ 1340.728248][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.728345][ T32] Exception stack(0xebb15fb0 to 0xebb15ff8) [ 1340.728409][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1340.728474][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.728534][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.728611][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.728666][ T32] r4:85614e40 [ 1340.729288][ T32] INFO: task kworker/0:393:5412 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.729371][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.729502][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.729603][ T32] Call trace: [ 1340.729695][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.750539][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.750639][ T32] r4:00000000 [ 1340.750688][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.750806][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.750890][ T32] 9d20: d2dbd000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.750975][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.751058][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.751120][ T32] r5:80070013 r4:80239bb0 [ 1340.751192][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.751375][ T32] r4:82ac11a4 [ 1340.751456][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 8 printk messages dropped ** [ 1340.752210][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1340.752746][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1340.753490][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1340.754619][ T32] r10:8291880c r9:eb8a5d84 r8:00000002 r7:60000013 r6:eb8a5d8c r5:856d8c00 ** 7 printk messages dropped ** [ 1340.755222][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1340.755933][ T32] r5:00001000 r4:dfacb000 [ 1340.755984][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1340.756348][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1340.757007][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1340.758774][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1340.759140][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1340.759804][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 11 printk messages dropped ** [ 1340.786821][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1340.787512][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1340.788185][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1340.788940][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1340.789707][ T32] r9:83018205 r8:856dbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f03b000 ** 1 printk messages dropped ** [ 1340.803667][ T32] r5:00001000 r4:ea90d000 ** 4 printk messages dropped ** [ 1340.804152][ T32] r7:ddde2d80 r6:83018200 r5:856bab8c r4:8565f380 ** 4 printk messages dropped ** [ 1340.804542][ T32] r10:00000000 r9:8565f380 r8:8027f5e8 r7:eba61e60 r6:8565f400 r5:856dbc00 ** 3 printk messages dropped ** [ 1340.804791][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1340.804856][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.804942][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.805017][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.805082][ T32] r4:85667d00 [ 1340.805921][ T32] INFO: task kworker/1:748:5418 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.806002][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.806226][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.806286][ T32] Call trace: [ 1340.806323][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.806395][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.806423][ T32] r4:00000000 [ 1340.806482][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.806523][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.806551][ T32] 9d20: d3353000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.806579][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.806664][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.806714][ T32] r5:80070013 r4:80239bb0 [ 1340.806737][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.806784][ T32] r4:82ac11a4 [ 1340.806824][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.806915][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.806940][ T32] r4:e47b9dc0 [ 1340.806960][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.807035][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.807087][ T32] r4:00000000 [ 1340.807137][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.807187][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.807209][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.807250][ T32] r5:00001000 r4:ece91000 [ 1340.807269][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.807343][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.807389][ T32] r5:85a7af8c r4:85a7ac00 [ 1340.807450][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.807499][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1340.807520][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.807565][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.807587][ T32] r4:8454d780 [ 1340.807606][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.807670][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1340.807695][ T32] r4:00000001 [ 1340.807734][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.807793][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.807822][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.807849][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.807875][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.807902][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.807923][ T32] r4:84e5a340 [ 1340.807996][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.808054][ T32] INFO: task kworker/1:749:5420 blocked for more than 467 seconds. [ 1340.808115][ T32] Not tainted 6.15.0-syzkaller #0 [ 1340.808164][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.808188][ T32] task:kworker/1:749 state:D stack:0 pid:5420 tgid:5420 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.808256][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.808295][ T32] Call trace: [ 1340.808370][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1340.808417][ T32] r10:8291880c r9:eb931d84 r8:00000002 r7:60000113 r6:eb931d8c r5:856db000 [ 1340.808459][ T32] r4:856db000 [ 1340.808482][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1340.808522][ T32] r5:856db000 r4:82918808 [ 1340.808542][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.808577][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.808618][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb931e08 [ 1340.808660][ T32] r4:00000000 [ 1340.808682][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.808718][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.808755][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.808796][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85667e40 [ 1340.808818][ T32] r4:00000000 [ 1340.808837][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.808900][ T32] r9:83018205 r8:856db000 r7:00000000 r6:83018200 r5:00001000 r4:7f039000 [ 1340.808954][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.809058][ T32] r5:00001000 r4:e06c1000 [ 1340.809108][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.809220][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.809326][ T32] r5:856ba78c r4:856ba400 [ 1340.809376][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.809475][ T32] r7:ddde2d80 r6:83018200 r5:856ba78c r4:8565f480 [ 1340.809529][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.809625][ T32] r10:61c88647 r9:856db000 r8:8565f4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.809700][ T32] r4:8565f480 [ 1340.809827][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.830435][ T32] r10:00000000 r9:8565f480 r8:8027f5e8 r7:ebb11e60 r6:8565f500 r5:856db000 ** 2 printk messages dropped ** [ 1340.830564][ T32] Exception stack(0xeb931fb0 to 0xeb931ff8) ** 6 printk messages dropped ** [ 1340.831254][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1340.832037][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1340.832326][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 9 printk messages dropped ** [ 1340.832754][ T32] r4:8454d780 ** 2 printk messages dropped ** [ 1340.832888][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1340.833107][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1340.833454][ T32] Call trace: ** 4 printk messages dropped ** [ 1340.833713][ T32] r5:856dd400 r4:82918808 [ 1340.833754][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.833797][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.833862][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb941e08 [ 1340.833887][ T32] r4:00000000 [ 1340.833906][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.833957][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.834021][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.834098][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856073c0 [ 1340.834124][ T32] r4:00000000 [ 1340.834165][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.834236][ T32] r9:83018205 r8:856dd400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000 [ 1340.834259][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.834348][ T32] r5:00001000 r4:eae61000 [ 1340.834371][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.834410][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.834470][ T32] r5:856bb38c r4:856bb000 [ 1340.834496][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.834539][ T32] r7:ddde2d80 r6:83018200 r5:856bb38c r4:8565f580 [ 1340.834559][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.834602][ T32] r10:61c88647 r9:856dd400 r8:8565f5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.834624][ T32] r4:8565f580 [ 1340.834660][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.834726][ T32] r10:00000000 r9:8565f580 r8:8027f5e8 r7:ebb11e60 r6:8565f600 r5:856dd400 [ 1340.834751][ T32] r4:00000001 [ 1340.834770][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.834827][ T32] Exception stack(0xeb941fb0 to 0xeb941ff8) [ 1340.834857][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1340.834886][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.834912][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.834948][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.834993][ T32] r4:85667f80 [ 1340.835326][ T32] INFO: task kworker/1:750:5422 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.835362][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.835444][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.835511][ T32] Call trace: [ 1340.835571][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.835620][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.835643][ T32] r4:00000000 [ 1340.835662][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.835698][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.835726][ T32] 9d20: d3a19000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.835754][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.835778][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.835801][ T32] r5:80070013 r4:80239bb0 [ 1340.835821][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.835865][ T32] r4:82ac11a4 [ 1340.835884][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.835929][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.835963][ T32] r4:e47b9dc0 [ 1340.836009][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.836060][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.836083][ T32] r4:00000000 [ 1340.836103][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.836146][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.836168][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1340.836278][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1340.836572][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1340.836751][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1340.837188][ T32] r10:8291880c r9:eb94dd84 r8:00000002 r7:60000113 r6:eb94dd8c r5:856de000 ** 8 printk messages dropped ** [ 1340.837598][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1340.837880][ T32] r5:00001000 r4:ead3d000 ** 1 printk messages dropped ** [ 1340.837962][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1340.838225][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1340.838713][ T32] r4:85659280 ** 5 printk messages dropped ** [ 1340.839335][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1340.839635][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1340.850553][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1340.850962][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1340.851192][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1340.851426][ T32] task:kworker/1:752 state:D stack:0 pid:5425 tgid:5425 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1340.851860][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1340.852360][ T32] r5:00001000 r4:eb119000 ** 1 printk messages dropped ** [ 1340.852437][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1340.852547][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.852627][ T32] r7:ddde2d80 r6:83018200 r5:856bb78c r4:8565f780 [ 1340.852670][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.852718][ T32] r10:61c88647 r9:84c63c00 r8:8565f7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.852741][ T32] r4:8565f780 [ 1340.852761][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.852803][ T32] r10:00000000 r9:8565f780 r8:8027f5e8 r7:eb941e60 r6:85617b00 r5:84c63c00 [ 1340.852846][ T32] r4:00000001 [ 1340.852871][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.852908][ T32] Exception stack(0xeba7dfb0 to 0xeba7dff8) [ 1340.852953][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.852985][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.853031][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.853087][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.853113][ T32] r4:856070c0 [ 1340.853616][ T32] INFO: task kworker/1:752:5425 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.853651][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.853735][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.853810][ T32] Call trace: [ 1340.853843][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.853913][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.853940][ T32] r4:00000000 [ 1340.853960][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.854021][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.854059][ T32] 9d20: d3a19000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.854124][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.854154][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.854824][ T32] r5:80070013 r4:80239bb0 [ 1340.854878][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.854930][ T32] r4:82ac11a4 [ 1340.854952][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.854998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.855020][ T32] r4:e47b9dc0 [ 1340.855038][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.855115][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.855143][ T32] r4:00000000 [ 1340.855183][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.855275][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.855305][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.855348][ T32] r5:00001000 r4:ece91000 [ 1340.855389][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.855436][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.855480][ T32] r5:85a7af8c r4:85a7ac00 [ 1340.855520][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.855596][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1340.855620][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.855666][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.855709][ T32] r4:8454d780 [ 1340.855761][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.855814][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1340.855838][ T32] r4:00000001 [ 1340.855857][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.855914][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.855945][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.856011][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.856041][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.856084][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.856111][ T32] r4:84e5a340 [ 1340.856130][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.856163][ T32] INFO: task kworker/1:753:5429 blocked for more than 467 seconds. [ 1340.856193][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1340.856491][ T32] r10:8291880c r9:eb971d84 r8:00000002 r7:60000113 r6:eb971d8c r5:84c64800 ** 8 printk messages dropped ** [ 1340.856889][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1340.857296][ T32] r5:00001000 r4:eb199000 [ 1340.857365][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1340.857568][ T32] r7:ddde2d80 r6:83018200 r5:856bbb8c r4:8565f800 ** 7 printk messages dropped ** [ 1340.857908][ T32] Exception stack(0xeb971fb0 to 0xeb971ff8) ** 6 printk messages dropped ** [ 1340.858551][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1340.859218][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1340.859507][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 9 printk messages dropped ** [ 1340.894100][ T32] r4:8454d780 ** 6 printk messages dropped ** [ 1340.894389][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1340.894656][ T32] task:kworker/1:754 state:D stack:0 pid:5431 tgid:5431 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1340.895200][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb19e08 ** 2 printk messages dropped ** [ 1340.895293][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.895352][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.895414][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85607880 [ 1340.895467][ T32] r4:00000000 [ 1340.895515][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.895573][ T32] r9:83018205 r8:84c66c00 r7:00000000 r6:83018200 r5:00001000 r4:7f049000 [ 1340.895596][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.895638][ T32] r5:00001000 r4:eb28d000 [ 1340.895657][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.895698][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.895750][ T32] r5:856c838c r4:856c8000 [ 1340.895834][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.895921][ T32] r7:ddde2d80 r6:83018200 r5:856c838c r4:8565f880 [ 1340.895946][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.895992][ T32] r10:61c88647 r9:84c66c00 r8:8565f8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.896043][ T32] r4:8565f880 [ 1340.896091][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.896144][ T32] r10:00000000 r9:8565f880 r8:8027f5e8 r7:eb971e60 r6:85617c00 r5:84c66c00 [ 1340.896225][ T32] r4:00000001 [ 1340.896275][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.896318][ T32] Exception stack(0xebb19fb0 to 0xebb19ff8) [ 1340.896375][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.896408][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.896434][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.896483][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.896535][ T32] r4:85607300 [ 1340.897071][ T32] INFO: task kworker/1:754:5431 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.897112][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.897170][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.897213][ T32] Call trace: [ 1340.897266][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.897325][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.897375][ T32] r4:00000000 [ 1340.897399][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.897437][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.897498][ T32] 9d20: d43b9000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.897533][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.897559][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.897583][ T32] r5:80070013 r4:80239bb0 [ 1340.897603][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.897647][ T32] r4:82ac11a4 [ 1340.897668][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.897714][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.897737][ T32] r4:e47b9dc0 [ 1340.897756][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.897799][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.897822][ T32] r4:00000000 [ 1340.897868][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.897916][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.897938][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.897977][ T32] r5:00001000 r4:ece91000 [ 1340.898075][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.898147][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.898227][ T32] r5:85a7af8c r4:85a7ac00 [ 1340.898266][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.898314][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1340.898374][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.898424][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.898455][ T32] r4:8454d780 [ 1340.898492][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1340.898713][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1340.899022][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1340.899457][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb1de08 ** 9 printk messages dropped ** [ 1340.908532][ T32] r5:00001000 r4:eb219000 [ 1340.908555][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1340.908842][ T32] r10:61c88647 r9:84c65400 r8:8565f92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1340.909190][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1340.923789][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 5 printk messages dropped ** [ 1340.924100][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.924126][ T32] r5:80070013 r4:80239bb0 [ 1340.924148][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.924203][ T32] r4:82ac11a4 [ 1340.924224][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.924300][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.924433][ T32] r4:e47b9dc0 [ 1340.924483][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.924701][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.924742][ T32] r4:00000000 [ 1340.924810][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.924914][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.924942][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.924985][ T32] r5:00001000 r4:ece91000 [ 1340.925006][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.925054][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.925098][ T32] r5:85a7af8c r4:85a7ac00 [ 1340.925158][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.925244][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1340.925272][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.925323][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.925374][ T32] r4:8454d780 [ 1340.925400][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.925446][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1340.925470][ T32] r4:00000001 [ 1340.925489][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.925526][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.925584][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.925621][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.925651][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.925680][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.925701][ T32] r4:84e5a340 [ 1340.925723][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.925783][ T32] INFO: task kworker/1:756:5435 blocked for more than 467 seconds. [ 1340.925822][ T32] Not tainted 6.15.0-syzkaller #0 [ 1340.925846][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.925867][ T32] task:kworker/1:756 state:D stack:0 pid:5435 tgid:5435 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.925948][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.926097][ T32] Call trace: [ 1340.926259][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1340.926343][ T32] r10:8291880c r9:ebb25d84 r8:00000002 r7:60000013 r6:ebb25d8c r5:8550bc00 [ 1340.926399][ T32] r4:8550bc00 [ 1340.926445][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 6 printk messages dropped ** [ 1340.926816][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1340.927166][ T32] r5:00001000 r4:eb38b000 [ 1340.927186][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1340.927434][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 7 printk messages dropped ** [ 1340.927707][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1340.928533][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1340.928905][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.928949][ T32] r4:00000000 [ 1340.929005][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1340.929068][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1340.929151][ T32] 9d20: d486a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1340.929222][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1340.929257][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1340.929320][ T32] r5:80070013 r4:80239bb0 [ 1340.929430][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1340.929530][ T32] r4:82ac11a4 [ 1340.929555][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1340.929603][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1340.929679][ T32] r4:e47b9dc0 [ 1340.929704][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.936908][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1340.936961][ T32] r4:00000000 [ 1340.936985][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.937064][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1340.937110][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.937189][ T32] r5:00001000 r4:ece91000 [ 1340.937218][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.937270][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.937315][ T32] r5:85a7af8c r4:85a7ac00 [ 1340.937335][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.937382][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1340.937402][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.937456][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.937479][ T32] r4:8454d780 [ 1340.937498][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.937561][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1340.937622][ T32] r4:00000001 [ 1340.937645][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.937742][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.937777][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.937818][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.937849][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.937897][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 5 printk messages dropped ** [ 1340.938161][ T32] task:kworker/1:757 state:D stack:0 pid:5437 tgid:5437 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1340.938686][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb29e08 ** 9 printk messages dropped ** [ 1340.939058][ T32] r5:00001000 r4:eb3cb000 [ 1340.939079][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.939146][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1340.939447][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 9 printk messages dropped ** [ 1340.955438][ T32] INFO: task kworker/1:757:5437 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 10 printk messages dropped ** [ 1340.956141][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 8 printk messages dropped ** [ 1340.956514][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1340.956795][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1340.956972][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1340.957308][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1340.957674][ T32] Call trace: ** 1 printk messages dropped ** [ 1340.957782][ T32] r10:8291880c r9:ebb2dd84 r8:00000002 r7:60000113 r6:ebb2dd8c r5:84c66000 [ 1340.957813][ T32] r4:84c66000 [ 1340.957833][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1340.957872][ T32] r5:84c66000 r4:82918808 [ 1340.957911][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.957954][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.958016][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb2de08 [ 1340.958050][ T32] r4:00000000 [ 1340.958070][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.958105][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.958181][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.958310][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85607cc0 [ 1340.958347][ T32] r4:00000000 [ 1340.958368][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.958411][ T32] r9:83018205 r8:84c66000 r7:00000000 r6:83018200 r5:00001000 r4:7f04f000 [ 1340.958432][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.958520][ T32] r5:00001000 r4:eb3f7000 [ 1340.958543][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.958582][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.958622][ T32] r5:856c8f8c r4:856c8c00 [ 1340.958708][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.958755][ T32] r7:ddde2d80 r6:83018200 r5:856c8f8c r4:8565fa80 [ 1340.958796][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.958876][ T32] r10:61c88647 r9:84c66000 r8:8565faac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.958903][ T32] r4:8565fa80 [ 1340.958922][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.958966][ T32] r10:00000000 r9:8565fa80 r8:8027f5e8 r7:ebb29e60 r6:85617e00 r5:84c66000 [ 1340.959009][ T32] r4:00000001 [ 1340.959066][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.959109][ T32] Exception stack(0xebb2dfb0 to 0xebb2dff8) [ 1340.959175][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1340.959207][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.959233][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.959267][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.959302][ T32] r4:85607800 [ 1340.959652][ T32] INFO: task kworker/1:758:5439 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1340.959683][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.959834][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.972969][ T32] Call trace: [ 1340.973082][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1340.973162][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1340.973188][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1340.973336][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 11 printk messages dropped ** [ 1340.973845][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1340.974178][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1340.974497][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1340.974775][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1340.974984][ T32] r4:8562ec00 [ 1340.975016][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1340.975066][ T32] r5:8562ec00 r4:82918808 [ 1340.975086][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.975139][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.975185][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb31e08 [ 1340.975218][ T32] r4:00000000 [ 1340.975240][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.975279][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.975318][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.975360][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856677c0 [ 1340.975381][ T32] r4:00000000 [ 1340.975420][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.975498][ T32] r9:83018205 r8:8562ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f055000 [ 1340.975538][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.975583][ T32] r5:00001000 r4:eb717000 [ 1340.975602][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.975640][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.975680][ T32] r5:856c9b8c r4:856c9800 [ 1340.975699][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.975741][ T32] r7:ddde2d80 r6:83018200 r5:856c9b8c r4:8565fb00 [ 1340.975781][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.975849][ T32] r10:61c88647 r9:8562ec00 r8:8565fb2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.975896][ T32] r4:8565fb00 [ 1340.975918][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.975961][ T32] r10:00000000 r9:8565fb00 r8:8027f5e8 r7:ebb2de60 r6:85617e80 r5:8562ec00 [ 1340.975983][ T32] r4:00000001 [ 1340.976022][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.976071][ T32] Exception stack(0xebb31fb0 to 0xebb31ff8) [ 1340.976098][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1340.976147][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.976177][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.976205][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.976227][ T32] r4:85607ac0 [ 1340.976719][ T32] INFO: task kworker/1:759:5441 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 7 printk messages dropped ** [ 1340.977101][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 7 printk messages dropped ** [ 1340.977437][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 8 printk messages dropped ** [ 1340.977741][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1340.978022][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1340.978238][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 6 printk messages dropped ** [ 1340.978492][ T32] INFO: task kworker/1:760:5442 blocked for more than 467 seconds. ** 7 printk messages dropped ** [ 1340.978895][ T32] r4:856dc800 ** 5 printk messages dropped ** [ 1340.979112][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1340.979320][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1340.979475][ T32] r5:00001000 r4:eb555000 [ 1340.979494][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1340.994411][ T32] r10:61c88647 r9:856dc800 r8:8565fbac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1340.994908][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1340.995662][ T32] Call trace: ** 6 printk messages dropped ** [ 1340.995952][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 9 printk messages dropped ** [ 1340.996397][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1340.996588][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.996649][ T32] r5:85a7af8c r4:85a7ac00 [ 1340.996673][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.996744][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1340.996768][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1340.996831][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1340.996859][ T32] r4:8454d780 [ 1340.996878][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1340.996921][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1340.996943][ T32] r4:00000001 [ 1340.996961][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1340.996997][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1340.997022][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1340.997078][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1340.997149][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1340.997181][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1340.997203][ T32] r4:84e5a340 [ 1340.997224][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1340.997251][ T32] INFO: task kworker/1:761:5444 blocked for more than 467 seconds. [ 1340.997285][ T32] Not tainted 6.15.0-syzkaller #0 [ 1340.997310][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1340.997374][ T32] task:kworker/1:761 state:D stack:0 pid:5444 tgid:5444 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1340.997443][ T32] Workqueue: events bpf_prog_free_deferred [ 1340.997530][ T32] Call trace: [ 1340.997583][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1340.997662][ T32] r10:8291880c r9:ebb21d84 r8:00000002 r7:60000113 r6:ebb21d8c r5:856dec00 [ 1340.997708][ T32] r4:856dec00 [ 1340.997731][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1340.997771][ T32] r5:856dec00 r4:82918808 [ 1340.997831][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1340.997870][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1340.997912][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb21e08 [ 1340.997940][ T32] r4:00000000 [ 1340.997961][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1340.997996][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1340.998061][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1340.998110][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85607fc0 [ 1340.998133][ T32] r4:00000000 [ 1340.998152][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1340.998224][ T32] r9:83018205 r8:856dec00 r7:00000000 r6:83018200 r5:00001000 r4:7f053000 [ 1340.998247][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1340.998331][ T32] r5:00001000 r4:eb59f000 [ 1340.998376][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1340.998445][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1340.998510][ T32] r5:856c978c r4:856c9400 [ 1340.998533][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1340.998578][ T32] r7:ddde2d80 r6:83018200 r5:856c978c r4:8565fc80 ** 1 printk messages dropped ** [ 1340.998667][ T32] r10:61c88647 r9:856dec00 r8:8565fcac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1340.998928][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1340.999615][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1341.017010][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1341.017294][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1341.017713][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1341.017955][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 6 printk messages dropped ** [ 1341.018293][ T32] INFO: task kworker/1:762:5448 blocked for more than 467 seconds. ** 7 printk messages dropped ** [ 1341.018690][ T32] r4:856d5400 ** 4 printk messages dropped ** [ 1341.018909][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9f9e08 ** 9 printk messages dropped ** [ 1341.019278][ T32] r5:00001000 r4:eb75b000 [ 1341.019317][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.019359][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.019420][ T32] r5:856ca38c r4:856ca000 [ 1341.019442][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.019487][ T32] r7:ddde2d80 r6:83018200 r5:856ca38c r4:8565fd80 [ 1341.019508][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.019572][ T32] r10:61c88647 r9:856d5400 r8:8565fdac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.019621][ T32] r4:8565fd80 [ 1341.019643][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.019686][ T32] r10:00000000 r9:8565fd80 r8:8027f5e8 r7:ebb31e60 r6:8565fe00 r5:856d5400 [ 1341.019707][ T32] r4:00000001 [ 1341.019785][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.034112][ T32] Exception stack(0xeb9f9fb0 to 0xeb9f9ff8) [ 1341.034164][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.034221][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.034250][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.034281][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.034304][ T32] r4:85663080 [ 1341.034806][ T32] INFO: task kworker/1:762:5448 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.034880][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.035022][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.035089][ T32] Call trace: [ 1341.035140][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.035219][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.035246][ T32] r4:00000000 [ 1341.035290][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.035333][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.035361][ T32] 9d20: d5930000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.035389][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.035413][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.035457][ T32] r5:80070013 r4:80239bb0 [ 1341.035481][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.035556][ T32] r4:82ac11a4 [ 1341.035607][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.035696][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.035750][ T32] r4:e47b9dc0 [ 1341.035774][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.035818][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.035840][ T32] r4:00000000 [ 1341.035859][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 5 printk messages dropped ** [ 1341.036222][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1341.036414][ T32] r4:8454d780 ** 2 printk messages dropped ** [ 1341.036497][ T32] r4:00000001 [ 1341.036515][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.036549][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.036574][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.036601][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.036676][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.036715][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.036741][ T32] r4:84e5a340 [ 1341.036791][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.036822][ T32] INFO: task kworker/1:763:5449 blocked for more than 467 seconds. [ 1341.036856][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.036880][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.036901][ T32] task:kworker/1:763 state:D stack:0 pid:5449 tgid:5449 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.036945][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.037035][ T32] Call trace: [ 1341.037093][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.037142][ T32] r10:8291880c r9:ebb41d84 r8:00000002 r7:60000013 r6:ebb41d8c r5:856d4800 [ 1341.037194][ T32] r4:856d4800 [ 1341.037217][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.037257][ T32] r5:856d4800 r4:82918808 [ 1341.037276][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.037313][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.037383][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb41e08 [ 1341.037409][ T32] r4:00000000 [ 1341.037431][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.037470][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.037508][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.037578][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85663040 [ 1341.037612][ T32] r4:00000000 [ 1341.037634][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.037680][ T32] r9:83018205 r8:856d4800 r7:00000000 r6:83018200 r5:00001000 r4:7f057000 [ 1341.037731][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.037775][ T32] r5:00001000 r4:eb74b000 [ 1341.037795][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.037862][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.037906][ T32] r5:856c9f8c r4:856c9c00 [ 1341.037926][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.037971][ T32] r7:ddde2d80 r6:83018200 r5:856c9f8c r4:8565fe80 [ 1341.037991][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.038040][ T32] r10:61c88647 r9:856d4800 r8:8565feac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.038063][ T32] r4:8565fe80 [ 1341.038082][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.038153][ T32] r10:00000000 r9:8565fe80 r8:8027f5e8 r7:eb9f9e60 r6:8565ff00 r5:856d4800 [ 1341.038178][ T32] r4:00000001 [ 1341.038215][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.038253][ T32] Exception stack(0xebb41fb0 to 0xebb41ff8) [ 1341.038300][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.038332][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.038358][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.038495][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.038520][ T32] r4:85663240 [ 1341.038840][ T32] INFO: task kworker/1:763:5449 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.038871][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.038925][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.039059][ T32] Call trace: [ 1341.039095][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.039143][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.039165][ T32] r4:00000000 [ 1341.039219][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.039298][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.039428][ T32] 9d20: d5930000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.039460][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.039485][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 4 printk messages dropped ** [ 1341.039642][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 10 printk messages dropped ** [ 1341.052226][ T32] r5:85a7af8c r4:85a7ac00 ** 3 printk messages dropped ** [ 1341.052368][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1341.052781][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1341.053076][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1341.053371][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1341.053818][ T32] r5:00001000 r4:eb773000 [ 1341.053868][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.053935][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1341.054159][ T32] r10:61c88647 r9:856da400 r8:8565ffac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1341.054625][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1341.055603][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 5 printk messages dropped ** [ 1341.055824][ T32] r4:82ac11a4 ** 9 printk messages dropped ** [ 1341.056408][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1341.056665][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1341.057051][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1341.057438][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1341.057799][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.057870][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb45e08 [ 1341.057895][ T32] r4:00000000 [ 1341.057974][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.058017][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.058070][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.058116][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856636c0 [ 1341.058166][ T32] r4:00000000 [ 1341.058206][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.058286][ T32] r9:83018205 r8:856e0000 r7:00000000 r6:83018200 r5:00001000 r4:7f05d000 [ 1341.058312][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.058354][ T32] r5:00001000 r4:eb789000 [ 1341.058401][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.058469][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.058513][ T32] r5:856cab8c r4:856ca800 [ 1341.058537][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.058581][ T32] r7:ddde2d80 r6:83018200 r5:856cab8c r4:8566f080 [ 1341.058601][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.058644][ T32] r10:61c88647 r9:856e0000 r8:8566f0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.058717][ T32] r4:8566f080 [ 1341.058739][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.058784][ T32] r10:00000000 r9:8566f080 r8:8027f5e8 r7:ebb3de60 r6:8566f100 r5:856e0000 [ 1341.058805][ T32] r4:00000001 [ 1341.058823][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.058857][ T32] Exception stack(0xebb45fb0 to 0xebb45ff8) [ 1341.058882][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.058909][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.058935][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.058962][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.058983][ T32] r4:85663440 [ 1341.059295][ T32] INFO: task kworker/1:765:5453 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.059348][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.059405][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.059447][ T32] Call trace: [ 1341.059498][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.059545][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.059594][ T32] r4:00000000 [ 1341.059647][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.059691][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.059720][ T32] 9d20: d5c0d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.082086][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.082238][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.082321][ T32] r5:80070013 r4:80239bb0 [ 1341.082349][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.082419][ T32] r4:82ac11a4 [ 1341.082473][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.082589][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.082615][ T32] r4:e47b9dc0 [ 1341.082668][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.082745][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.082771][ T32] r4:00000000 [ 1341.082791][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 3 printk messages dropped ** [ 1341.083012][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 9 printk messages dropped ** [ 1341.083581][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1341.083814][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1341.084389][ T32] r4:856e0c00 ** 4 printk messages dropped ** [ 1341.084655][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb49e08 ** 9 printk messages dropped ** [ 1341.085221][ T32] r5:00001000 r4:eb7c7000 [ 1341.085242][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1341.085610][ T32] r10:61c88647 r9:856e0c00 r8:8566f1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1341.085955][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1341.086948][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 10 printk messages dropped ** [ 1341.087341][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 14 printk messages dropped ** [ 1341.087830][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1341.088189][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1341.088656][ T32] Call trace: ** 5 printk messages dropped ** [ 1341.088906][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1341.089467][ T32] r5:00001000 r4:eb79f000 [ 1341.089487][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1341.089611][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1341.110508][ T32] Exception stack(0xebb4dfb0 to 0xebb4dff8) ** 1 printk messages dropped ** [ 1341.110588][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.110618][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.110666][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.110691][ T32] r4:85663640 [ 1341.111168][ T32] INFO: task kworker/1:767:5456 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.111251][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.111336][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.111426][ T32] Call trace: [ 1341.111470][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.111522][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.111545][ T32] r4:00000000 [ 1341.111565][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.111621][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.111673][ T32] 9d20: d6aea000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.111725][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.111753][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.111777][ T32] r5:80070013 r4:80239bb0 [ 1341.111797][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.111843][ T32] r4:82ac11a4 [ 1341.111881][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.111930][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.111953][ T32] r4:e47b9dc0 [ 1341.111972][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.112015][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.112044][ T32] r4:00000000 [ 1341.112069][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.112115][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.112137][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.112198][ T32] r5:00001000 r4:ece91000 [ 1341.112226][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.112287][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.112338][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.112379][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.112430][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.112451][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.112495][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.112517][ T32] r4:8454d780 [ 1341.112558][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.112605][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.112627][ T32] r4:00000001 [ 1341.112645][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.112702][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.112751][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.112782][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.112810][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.112837][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.112858][ T32] r4:84e5a340 [ 1341.112878][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.112915][ T32] INFO: task kworker/1:768:5459 blocked for more than 467 seconds. [ 1341.112960][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.112988][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.113010][ T32] task:kworker/1:768 state:D stack:0 pid:5459 tgid:5459 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.113059][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.113098][ T32] Call trace: [ 1341.113137][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.113212][ T32] r10:8291880c r9:ebb51d84 r8:00000002 r7:60000013 r6:ebb51d8c r5:856e2400 [ 1341.113251][ T32] r4:856e2400 [ 1341.113274][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.113336][ T32] r5:856e2400 r4:82918808 [ 1341.113380][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.113420][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.113486][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb51e08 [ 1341.113511][ T32] r4:00000000 [ 1341.113530][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.113565][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.113601][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.113657][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85663980 [ 1341.113703][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1341.113845][ T32] r5:00001000 r4:eb7b7000 [ 1341.113864][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.113903][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1341.114128][ T32] r4:8566f380 ** 6 printk messages dropped ** [ 1341.114403][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1341.115150][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1341.115610][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1341.115853][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1341.116141][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1341.116514][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1341.116703][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1341.117141][ T32] r4:856e3c00 ** 5 printk messages dropped ** [ 1341.117374][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1341.117680][ T32] r9:83018205 r8:856e3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f09d000 ** 3 printk messages dropped ** [ 1341.117880][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1341.118329][ T32] Exception stack(0xebb55fb0 to 0xebb55ff8) ** 6 printk messages dropped ** [ 1341.118821][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1341.119361][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1341.119562][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1341.152810][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1341.153021][ T32] r4:8454d780 ** 6 printk messages dropped ** [ 1341.153303][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1341.153398][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.153456][ T32] r4:84e5a340 [ 1341.153485][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.153564][ T32] INFO: task kworker/1:770:5463 blocked for more than 467 seconds. [ 1341.153613][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.153641][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.153705][ T32] task:kworker/1:770 state:D stack:0 pid:5463 tgid:5463 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.153767][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.153811][ T32] Call trace: [ 1341.153927][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.153982][ T32] r10:8291880c r9:ebb61d84 r8:00000002 r7:60000013 r6:ebb61d8c r5:856e4800 [ 1341.154024][ T32] r4:856e4800 [ 1341.154052][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.154114][ T32] r5:856e4800 r4:82918808 [ 1341.154138][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.154175][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.154239][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb61e08 [ 1341.154261][ T32] r4:00000000 [ 1341.154279][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.154313][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.154353][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.154419][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85663fc0 [ 1341.154444][ T32] r4:00000000 [ 1341.154464][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.154549][ T32] r9:83018205 r8:856e4800 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1341.154595][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.154663][ T32] r5:00001000 r4:eb969000 [ 1341.154729][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.154770][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.154810][ T32] r5:8574838c r4:85748000 [ 1341.154848][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.154914][ T32] r7:ddde2d80 r6:83018200 r5:8574838c r4:8566f580 [ 1341.154937][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.155002][ T32] r10:61c88647 r9:856e4800 r8:8566f5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.155051][ T32] r4:8566f580 [ 1341.155074][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.155138][ T32] r10:00000000 r9:8566f580 r8:8027f5e8 r7:ebb55e60 r6:8566f600 r5:856e4800 [ 1341.155186][ T32] r4:00000001 [ 1341.155209][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.155266][ T32] Exception stack(0xebb61fb0 to 0xebb61ff8) [ 1341.155295][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.155323][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.155369][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.155443][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.155468][ T32] r4:85663940 [ 1341.155937][ T32] INFO: task kworker/1:770:5463 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.155970][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.156026][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.156099][ T32] Call trace: [ 1341.156150][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.156222][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.156249][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1341.156341][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 8 printk messages dropped ** [ 1341.156672][ T32] r4:e47b9dc0 ** 7 printk messages dropped ** [ 1341.156955][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1341.157369][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 10 printk messages dropped ** [ 1341.157705][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1341.158040][ T32] r4:856e6000 ** 5 printk messages dropped ** [ 1341.158322][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1341.158611][ T32] r9:83018205 r8:856e6000 r7:00000000 r6:83018200 r5:00001000 r4:7f09f000 ** 1 printk messages dropped ** [ 1341.158696][ T32] r5:00001000 r4:eb955000 ** 4 printk messages dropped ** [ 1341.158940][ T32] r7:ddde2d80 r6:83018200 r5:856cbf8c r4:8566f680 ** 9 printk messages dropped ** [ 1341.159349][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1341.170564][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1341.170864][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1341.171214][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1341.171554][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1341.171942][ T32] r4:84e5a340 ** 5 printk messages dropped ** [ 1341.172145][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1341.172405][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1341.172852][ T32] r5:00001000 r4:ebb39000 ** 1 printk messages dropped ** [ 1341.172922][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1341.173319][ T32] r10:00000000 r9:8566f780 r8:8027f5e8 r7:ebb61e60 r6:8566f800 r5:856e6c00 ** 9 printk messages dropped ** [ 1341.174120][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1341.174406][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.174433][ T32] r4:00000000 [ 1341.174453][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.174504][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.174538][ T32] 9d20: d7482000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.174566][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.174591][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.174614][ T32] r5:80070013 r4:80239bb0 [ 1341.174642][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.174690][ T32] r4:82ac11a4 [ 1341.174709][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.174754][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.174777][ T32] r4:e47b9dc0 [ 1341.174809][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.174855][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.174876][ T32] r4:00000000 [ 1341.174895][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.174937][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.174958][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.174998][ T32] r5:00001000 r4:ece91000 [ 1341.175038][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.175081][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.175163][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.175206][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.175255][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.175276][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.175320][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.175342][ T32] r4:8454d780 [ 1341.175360][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.175423][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.175448][ T32] r4:00000001 [ 1341.175467][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.175536][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.175564][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.175592][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.175638][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.175691][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.175742][ T32] r4:84e5a340 [ 1341.175764][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.175790][ T32] INFO: task kworker/1:773:5470 blocked for more than 467 seconds. [ 1341.175817][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.175839][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.175861][ T32] task:kworker/1:773 state:D stack:0 pid:5470 tgid:5470 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.175915][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.175981][ T32] Call trace: [ 1341.176038][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.176090][ T32] r10:8291880c r9:ec385d84 r8:00000002 r7:60000013 r6:ec385d8c r5:856e8c00 [ 1341.176114][ T32] r4:856e8c00 [ 1341.176153][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.176200][ T32] r5:856e8c00 r4:82918808 [ 1341.176220][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.176254][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.176294][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec385e08 [ 1341.176315][ T32] r4:00000000 [ 1341.176354][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.176393][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.176429][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.176492][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8567d480 [ 1341.176523][ T32] r4:00000000 [ 1341.176565][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.176612][ T32] r9:83018205 r8:856e8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0a7000 [ 1341.176634][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.176695][ T32] r5:00001000 r4:ec381000 [ 1341.176718][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.176776][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.176820][ T32] r5:85748b8c r4:85748800 [ 1341.176841][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.176883][ T32] r7:ddde2d80 r6:83018200 r5:85748b8c r4:8566f880 [ 1341.176904][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.176947][ T32] r10:61c88647 r9:856e8c00 r8:8566f8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.176989][ T32] r4:8566f880 [ 1341.177037][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.177105][ T32] r10:00000000 r9:8566f880 r8:8027f5e8 r7:ebb71e60 r6:8566f900 r5:856e8c00 ** 1 printk messages dropped ** [ 1341.177161][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1341.177697][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 14 printk messages dropped ** [ 1341.178266][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 10 printk messages dropped ** [ 1341.178702][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1341.178933][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1341.179124][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1341.179326][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1341.179664][ T32] r4:84512400 ** 7 printk messages dropped ** [ 1341.205952][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1341.206268][ T32] r5:00001000 r4:ec399000 ** 2 printk messages dropped ** [ 1341.206421][ T32] r5:8574938c r4:85749000 ** 4 printk messages dropped ** [ 1341.206677][ T32] r4:8566f980 ** 6 printk messages dropped ** [ 1341.206945][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1341.207569][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.207683][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.207762][ T32] Call trace: [ 1341.207799][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.207848][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.207890][ T32] r4:00000000 [ 1341.207914][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.207952][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.208071][ T32] 9d20: d79ff000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.208106][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.208133][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.208179][ T32] r5:80070013 r4:80239bb0 [ 1341.208215][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.208263][ T32] r4:82ac11a4 [ 1341.208284][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.208330][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.208372][ T32] r4:e47b9dc0 [ 1341.208403][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.208450][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.208474][ T32] r4:00000000 [ 1341.208513][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.208561][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.208611][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.208675][ T32] r5:00001000 r4:ece91000 [ 1341.208703][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.208743][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.208784][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.208803][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.208869][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.208900][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.208945][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.208968][ T32] r4:8454d780 [ 1341.208987][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.209029][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.209062][ T32] r4:00000001 [ 1341.209104][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.209164][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.209192][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.209221][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.209247][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.209274][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.209297][ T32] r4:84e5a340 [ 1341.209318][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.209345][ T32] INFO: task kworker/1:775:5475 blocked for more than 467 seconds. [ 1341.209408][ T32] Not tainted 6.15.0-syzkaller #0 ** 1 printk messages dropped ** [ 1341.209463][ T32] task:kworker/1:775 state:D stack:0 pid:5475 tgid:5475 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1341.222967][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1341.223312][ T32] r9:83018205 r8:84510000 r7:00000000 r6:83018200 r5:00001000 r4:7f0b3000 ** 1 printk messages dropped ** [ 1341.223383][ T32] r5:00001000 r4:ec38d000 ** 3 printk messages dropped ** [ 1341.223552][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1341.223899][ T32] Exception stack(0xec3b1fb0 to 0xec3b1ff8) ** 6 printk messages dropped ** [ 1341.224606][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 14 printk messages dropped ** [ 1341.225351][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 14 printk messages dropped ** [ 1341.225919][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1341.226332][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1341.226660][ T32] Call trace: ** 6 printk messages dropped ** [ 1341.226914][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1341.227377][ T32] r5:00001000 r4:ec3cd000 [ 1341.227412][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1341.227629][ T32] r7:ddde2d80 r6:83018200 r5:85749f8c r4:8566fa80 ** 7 printk messages dropped ** [ 1341.227853][ T32] Exception stack(0xec3bdfb0 to 0xec3bdff8) ** 7 printk messages dropped ** [ 1341.228432][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1341.228775][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 9 printk messages dropped ** [ 1341.229113][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1341.229291][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1341.229640][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1341.248171][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1341.248712][ T32] r4:84515400 ** 7 printk messages dropped ** [ 1341.249037][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1341.249306][ T32] r5:00001000 r4:ec3e9000 ** 1 printk messages dropped ** [ 1341.249365][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.249405][ T32] r5:854eaf8c r4:854eac00 [ 1341.249449][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.249501][ T32] r7:dddced80 r6:83018000 r5:854eaf8c r4:85682000 [ 1341.249554][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.249611][ T32] r10:61c88647 r9:84515400 r8:8568202c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.249657][ T32] r4:85682000 [ 1341.249680][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.249759][ T32] r10:00000000 r9:85682000 r8:8027f5e8 r7:ebabde60 r6:85682100 r5:84515400 [ 1341.254097][ T32] r4:00000001 [ 1341.254153][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.254235][ T32] Exception stack(0xec3c1fb0 to 0xec3c1ff8) [ 1341.254267][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.254296][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.254343][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.254433][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.254467][ T32] r4:8565e300 [ 1341.254939][ T32] INFO: task kworker/0:394:5477 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.254974][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.255073][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.255127][ T32] Call trace: [ 1341.255158][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.255207][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.255251][ T32] r4:00000000 [ 1341.255275][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.255314][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.255341][ T32] 9d20: d822d000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.255369][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.255400][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.255425][ T32] r5:80070013 r4:80239bb0 [ 1341.255465][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.255519][ T32] r4:82ac11a4 [ 1341.255539][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.255585][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.255616][ T32] r4:e47b9dc0 [ 1341.255640][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.255685][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.255706][ T32] r4:00000000 [ 1341.255726][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.255790][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.255821][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.255863][ T32] r5:00001000 r4:ece91000 [ 1341.255882][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.255920][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.255982][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.256029][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.256087][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.256131][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.256216][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.256242][ T32] r4:8454d780 [ 1341.256283][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.256332][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.256395][ T32] r4:00000001 [ 1341.256436][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.256496][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.256546][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.256577][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.256603][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.256655][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.256681][ T32] r4:84e5a340 [ 1341.256702][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.256737][ T32] INFO: task kworker/1:777:5478 blocked for more than 467 seconds. [ 1341.256782][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.256829][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.256857][ T32] task:kworker/1:777 state:D stack:0 pid:5478 tgid:5478 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.256911][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.256992][ T32] Call trace: [ 1341.257081][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.257130][ T32] r10:8291880c r9:ec3d5d84 r8:00000002 r7:60000013 r6:ec3d5d8c r5:84516000 [ 1341.257191][ T32] r4:84516000 [ 1341.257216][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.257300][ T32] r5:84516000 r4:82918808 [ 1341.257324][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.257360][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.257402][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec3d5e08 [ 1341.257424][ T32] r4:00000000 [ 1341.257443][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.257490][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.257530][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.257574][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8567d800 [ 1341.257595][ T32] r4:00000000 [ 1341.257674][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.257741][ T32] r9:83018205 r8:84516000 r7:00000000 r6:83018200 r5:00001000 r4:7f0b7000 [ 1341.257765][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.257806][ T32] r5:00001000 r4:ec3a9000 [ 1341.257837][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1341.257918][ T32] r5:8574978c r4:85749400 ** 4 printk messages dropped ** [ 1341.258143][ T32] r4:8566fb00 ** 6 printk messages dropped ** [ 1341.258362][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1341.259092][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 10 printk messages dropped ** [ 1341.259456][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 11 printk messages dropped ** [ 1341.276274][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1341.276744][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1341.277330][ T32] r10:8291880c r9:ec3ddd84 r8:00000002 r7:60000113 r6:ec3ddd8c r5:84513c00 ** 8 printk messages dropped ** [ 1341.277707][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1341.278020][ T32] r5:00001000 r4:ec3b9000 ** 1 printk messages dropped ** [ 1341.278109][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.278153][ T32] r5:85749b8c r4:85749800 [ 1341.278209][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.278345][ T32] r7:ddde2d80 r6:83018200 r5:85749b8c r4:8566fb80 [ 1341.278370][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.278415][ T32] r10:61c88647 r9:84513c00 r8:8566fbac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.278438][ T32] r4:8566fb80 [ 1341.278456][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.278498][ T32] r10:00000000 r9:8566fb80 r8:8027f5e8 r7:ec3bde60 r6:85682200 r5:84513c00 [ 1341.278520][ T32] r4:00000001 [ 1341.278572][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.278632][ T32] Exception stack(0xec3ddfb0 to 0xec3ddff8) [ 1341.278661][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.278709][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.278739][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.278787][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.278812][ T32] r4:8567d680 [ 1341.279311][ T32] INFO: task kworker/1:778:5480 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.279384][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.279487][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.279576][ T32] Call trace: [ 1341.279612][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.279682][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.279711][ T32] r4:00000000 [ 1341.279732][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.279770][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.279854][ T32] 9d20: d86ef000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.290108][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.290158][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.290244][ T32] r5:80070013 r4:80239bb0 [ 1341.290275][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.290338][ T32] r4:82ac11a4 [ 1341.290371][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.290423][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.290466][ T32] r4:e47b9dc0 [ 1341.290489][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.290534][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.290576][ T32] r4:00000000 [ 1341.290622][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.290670][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.290693][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.290756][ T32] r5:00001000 r4:ece91000 [ 1341.290800][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.290847][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.290899][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.290948][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.291026][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.291061][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.291128][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.291155][ T32] r4:8454d780 [ 1341.291175][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.291253][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.291318][ T32] r4:00000001 [ 1341.291347][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.291385][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.291431][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.291463][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.291490][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.291537][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.291562][ T32] r4:84e5a340 [ 1341.291627][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.291660][ T32] INFO: task kworker/1:779:5483 blocked for more than 467 seconds. [ 1341.291693][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.291716][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.291737][ T32] task:kworker/1:779 state:D stack:0 pid:5483 tgid:5483 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.291846][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1341.292020][ T32] r10:8291880c r9:ebb7dd84 r8:00000002 r7:60000013 r6:ebb7dd8c r5:84516c00 ** 8 printk messages dropped ** [ 1341.292341][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1341.292726][ T32] r5:00001000 r4:ec3fd000 [ 1341.292746][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1341.292862][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1341.293397][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1341.294347][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1341.294625][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1341.294916][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1341.295301][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1341.295636][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1341.296013][ T32] r10:8291880c r9:ec3f5d84 r8:00000002 r7:60000013 r6:ec3f5d8c r5:84513000 ** 8 printk messages dropped ** [ 1341.296325][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1341.296648][ T32] r5:00001000 r4:ec3f1000 ** 1 printk messages dropped ** [ 1341.296796][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.296868][ T32] r5:8574a38c r4:8574a000 [ 1341.296891][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.296934][ T32] r7:ddde2d80 r6:83018200 r5:8574a38c r4:8566fc80 [ 1341.296976][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.297025][ T32] r10:61c88647 r9:84513000 r8:8566fcac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.297056][ T32] r4:8566fc80 [ 1341.297075][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.297118][ T32] r10:00000000 r9:8566fc80 r8:8027f5e8 r7:ebb7de60 r6:85682300 r5:84513000 [ 1341.297140][ T32] r4:00000001 [ 1341.297158][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.297204][ T32] Exception stack(0xec3f5fb0 to 0xec3f5ff8) [ 1341.297233][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.297261][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.297287][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.297314][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.297356][ T32] r4:8567da40 [ 1341.297681][ T32] INFO: task kworker/1:780:5485 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 13 printk messages dropped ** [ 1341.298391][ T32] r4:82ac11a4 ** 16 printk messages dropped ** [ 1341.299191][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 20 printk messages dropped ** [ 1341.321981][ T32] r4:84510c00 ** 12 printk messages dropped ** [ 1341.322564][ T32] r9:83018005 r8:84510c00 r7:00000000 r6:83018000 r5:00001000 r4:7f0d9000 ** 1 printk messages dropped ** [ 1341.322677][ T32] r5:00001000 r4:ec415000 [ 1341.322700][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.322739][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.322781][ T32] r5:854eb78c r4:854eb400 [ 1341.322804][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.322851][ T32] r7:dddced80 r6:83018000 r5:854eb78c r4:85682380 [ 1341.322891][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.322949][ T32] r10:61c88647 r9:84510c00 r8:856823ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.322974][ T32] r4:85682380 [ 1341.323015][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.323076][ T32] r10:00000000 r9:85682380 r8:8027f5e8 r7:ebabde60 r6:85682400 r5:84510c00 [ 1341.323110][ T32] r4:00000001 [ 1341.323133][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 2 printk messages dropped ** [ 1341.323228][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1341.324191][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 16 printk messages dropped ** [ 1341.324758][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 19 printk messages dropped ** [ 1341.325590][ T32] Not tainted 6.15.0-syzkaller #0 ** 14 printk messages dropped ** [ 1341.326236][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 11 printk messages dropped ** [ 1341.326733][ T32] r7:ddde2d80 r6:83018200 r5:8574ab8c r4:8566fd00 ** 14 printk messages dropped ** [ 1341.327462][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 27 printk messages dropped ** [ 1341.328638][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 14 printk messages dropped ** [ 1341.329475][ T32] INFO: task kworker/1:782:5490 blocked for more than 467 seconds. ** 2 printk messages dropped ** [ 1341.329606][ T32] task:kworker/1:782 state:D stack:0 pid:5490 tgid:5490 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.329691][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.362747][ T32] Call trace: [ 1341.362873][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.362953][ T32] r10:8291880c r9:ec419d84 r8:00000002 r7:60000013 r6:ec419d8c r5:84d20000 [ 1341.363045][ T32] r4:84d20000 [ 1341.363072][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.363158][ T32] r5:84d20000 r4:82918808 [ 1341.363269][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.363318][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.363361][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec419e08 [ 1341.363385][ T32] r4:00000000 [ 1341.363406][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.363483][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.363533][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.363578][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85683940 [ 1341.363601][ T32] r4:00000000 [ 1341.363661][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.363718][ T32] r9:83018205 r8:84d20000 r7:00000000 r6:83018200 r5:00001000 r4:7f0d7000 [ 1341.363740][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.363785][ T32] r5:00001000 r4:ec409000 [ 1341.363860][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 7 printk messages dropped ** [ 1341.364378][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 10 printk messages dropped ** [ 1341.365254][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1341.365869][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1341.366160][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 8 printk messages dropped ** [ 1341.366592][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1341.366912][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1341.367257][ T32] Call trace: ** 4 printk messages dropped ** [ 1341.367419][ T32] r5:84d20c00 r4:82918808 ** 5 printk messages dropped ** [ 1341.367749][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1341.368166][ T32] r5:00001000 r4:ec429000 ** 1 printk messages dropped ** [ 1341.368280][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1341.368744][ T32] Exception stack(0xec3d9fb0 to 0xec3d9ff8) ** 8 printk messages dropped ** [ 1341.369517][ T32] Call trace: ** 6 printk messages dropped ** [ 1341.380987][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 9 printk messages dropped ** [ 1341.381358][ T32] r4:00000000 ** 10 printk messages dropped ** [ 1341.382008][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 19 printk messages dropped ** [ 1341.382941][ T32] r10:8291880c r9:ec42dd84 r8:00000002 r7:60000013 r6:ec42dd8c r5:84d21800 ** 9 printk messages dropped ** [ 1341.383306][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.383368][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85679140 [ 1341.383420][ T32] r4:00000000 [ 1341.383460][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.383533][ T32] r9:83018205 r8:84d21800 r7:00000000 r6:83018200 r5:00001000 r4:7f0e9000 [ 1341.383582][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.383627][ T32] r5:00001000 r4:ec475000 [ 1341.383648][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.383688][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.383729][ T32] r5:8574b38c r4:8574b000 [ 1341.383749][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.383816][ T32] r7:ddde2d80 r6:83018200 r5:8574b38c r4:8566fe00 [ 1341.383840][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.383886][ T32] r10:61c88647 r9:84d21800 r8:8566fe2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.383909][ T32] r4:8566fe00 [ 1341.383928][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.383971][ T32] r10:00000000 r9:8566fe00 r8:8027f5e8 r7:ec40de60 r6:85682680 r5:84d21800 [ 1341.384010][ T32] r4:00000001 [ 1341.384064][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.384104][ T32] Exception stack(0xec42dfb0 to 0xec42dff8) [ 1341.384130][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.384158][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.384183][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.384212][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.384234][ T32] r4:8567de80 [ 1341.384719][ T32] INFO: task kworker/1:783:5495 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.384755][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.384895][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.384963][ T32] Call trace: [ 1341.385016][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.385065][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.385088][ T32] r4:00000000 [ 1341.385128][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.385170][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.385199][ T32] 9d20: d96a8000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.385228][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.385265][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.385298][ T32] r5:80070013 r4:80239bb0 [ 1341.385332][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.385406][ T32] r4:82ac11a4 [ 1341.385430][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.385488][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.385514][ T32] r4:e47b9dc0 [ 1341.385558][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.385630][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.385669][ T32] r4:00000000 [ 1341.385691][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.385760][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.385811][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 11 printk messages dropped ** [ 1341.386279][ T32] r4:00000001 ** 9 printk messages dropped ** [ 1341.386624][ T32] Not tainted 6.15.0-syzkaller #0 ** 9 printk messages dropped ** [ 1341.387118][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 15 printk messages dropped ** [ 1341.387814][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 16 printk messages dropped ** [ 1341.388755][ T32] Workqueue: events bpf_prog_free_deferred ** 11 printk messages dropped ** [ 1341.389402][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1341.389549][ T32] r4:e47b9dc0 [ 1341.389569][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.389681][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.389831][ T32] r4:00000000 [ 1341.420850][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.420973][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.421053][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.421111][ T32] r5:00001000 r4:ece91000 [ 1341.421134][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.421238][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.421324][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.421397][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.421453][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.421502][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.421558][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.421618][ T32] r4:8454d780 [ 1341.421821][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.422029][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.422130][ T32] r4:00000001 [ 1341.422234][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.422329][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.422431][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.422463][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.422543][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.422575][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.422622][ T32] r4:84e5a340 [ 1341.422664][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.422698][ T32] INFO: task kworker/0:398:5499 blocked for more than 467 seconds. [ 1341.422734][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.422851][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.422972][ T32] task:kworker/0:398 state:D stack:0 pid:5499 tgid:5499 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 13 printk messages dropped ** [ 1341.423610][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1341.423887][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1341.424275][ T32] Exception stack(0xec445fb0 to 0xec445ff8) ** 6 printk messages dropped ** [ 1341.425026][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1341.425520][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1341.425826][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 10 printk messages dropped ** [ 1341.426350][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 17 printk messages dropped ** [ 1341.427130][ T32] r10:8291880c r9:ec439d84 r8:00000002 r7:60000113 r6:ec439d8c r5:84d23c00 ** 10 printk messages dropped ** [ 1341.427573][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857bd580 [ 1341.427614][ T32] r4:00000000 [ 1341.427661][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.427708][ T32] r9:83018005 r8:84d23c00 r7:00000000 r6:83018000 r5:00001000 r4:7f03f000 [ 1341.427736][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.427778][ T32] r5:00001000 r4:eb0fd000 [ 1341.427849][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.427893][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.427955][ T32] r5:85715b8c r4:85715800 [ 1341.428049][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.428192][ T32] r7:dddced80 r6:83018000 r5:85715b8c r4:85682900 [ 1341.428218][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.428453][ T32] r10:61c88647 r9:84d23c00 r8:8568292c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.428480][ T32] r4:85682900 [ 1341.428500][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.428568][ T32] r10:00000000 r9:85682900 r8:8027f5e8 r7:ec445e60 r6:85682980 r5:84d23c00 [ 1341.428594][ T32] r4:00000001 [ 1341.428613][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.428674][ T32] Exception stack(0xec439fb0 to 0xec439ff8) [ 1341.428704][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.428732][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.428798][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.428881][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.428907][ T32] r4:85683e80 [ 1341.429239][ T32] INFO: task kworker/0:399:5501 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.429299][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.429359][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.429432][ T32] Call trace: ** 2 printk messages dropped ** [ 1341.429586][ T32] r4:00000000 [ 1341.429610][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.429672][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.452112][ T32] 9d20: d9c69000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.452295][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.452333][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.452365][ T32] r5:80070013 r4:80239bb0 [ 1341.452389][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.452458][ T32] r4:82ac11a4 [ 1341.452479][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.452525][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.452548][ T32] r4:e47b9dc0 [ 1341.452567][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.452613][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 2 printk messages dropped ** [ 1341.452795][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 9 printk messages dropped ** [ 1341.453154][ T32] r4:8454d780 ** 7 printk messages dropped ** [ 1341.453490][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 15 printk messages dropped ** [ 1341.454263][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1341.454996][ T32] r5:00001000 r4:ec44d000 ** 3 printk messages dropped ** [ 1341.455232][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 12 printk messages dropped ** [ 1341.455718][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1341.456882][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 5 printk messages dropped ** [ 1341.457055][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1341.457369][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 10 printk messages dropped ** [ 1341.457822][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 17 printk messages dropped ** [ 1341.458786][ T32] r10:8291880c r9:ec469d84 r8:00000002 r7:60000013 r6:ec469d8c r5:84d25400 ** 4 printk messages dropped ** [ 1341.458929][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.458969][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec469e08 [ 1341.458991][ T32] r4:00000000 [ 1341.459010][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.459066][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.459120][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.459166][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8565e980 [ 1341.459188][ T32] r4:00000000 [ 1341.459209][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.459329][ T32] r9:83018205 r8:84d25400 r7:00000000 r6:83018200 r5:00001000 r4:7f0e5000 [ 1341.459356][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.459398][ T32] r5:00001000 r4:ec459000 [ 1341.459418][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.459456][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.459495][ T32] r5:8571438c r4:85714000 [ 1341.459527][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.459573][ T32] r7:ddde2d80 r6:83018200 r5:8571438c r4:8566ff00 [ 1341.459644][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.459712][ T32] r10:61c88647 r9:84d25400 r8:8566ff2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.459821][ T32] r4:8566ff00 [ 1341.470564][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.470663][ T32] r10:00000000 r9:8566ff00 r8:8027f5e8 r7:ec42de60 r6:85682a80 r5:84d25400 [ 1341.470691][ T32] r4:00000001 [ 1341.470711][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.470750][ T32] Exception stack(0xec469fb0 to 0xec469ff8) [ 1341.470780][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.470809][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.470835][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.470863][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.470885][ T32] r4:856791c0 [ 1341.471370][ T32] INFO: task kworker/1:785:5505 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.471406][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.471522][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.471622][ T32] Call trace: ** 2 printk messages dropped ** [ 1341.471763][ T32] r4:00000000 ** 9 printk messages dropped ** [ 1341.472256][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 15 printk messages dropped ** [ 1341.472869][ T32] r4:8454d780 ** 9 printk messages dropped ** [ 1341.473194][ T32] r4:84e5a340 ** 8 printk messages dropped ** [ 1341.473620][ T32] r10:8291880c r9:ec451d84 r8:00000002 r7:60000113 r6:ec451d8c r5:84d26000 ** 8 printk messages dropped ** [ 1341.473978][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.474071][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.474119][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856795c0 [ 1341.474142][ T32] r4:00000000 [ 1341.474161][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.474222][ T32] r9:83018205 r8:84d26000 r7:00000000 r6:83018200 r5:00001000 r4:7f0eb000 [ 1341.474244][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.474316][ T32] r5:00001000 r4:ec481000 ** 2 printk messages dropped ** [ 1341.474424][ T32] r5:8574b78c r4:8574b400 ** 9 printk messages dropped ** [ 1341.474902][ T32] Exception stack(0xec451fb0 to 0xec451ff8) ** 10 printk messages dropped ** [ 1341.475782][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 16 printk messages dropped ** [ 1341.476347][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 11 printk messages dropped ** [ 1341.476847][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 17 printk messages dropped ** [ 1341.477459][ T32] r4:84d26c00 ** 12 printk messages dropped ** [ 1341.477945][ T32] r9:83018005 r8:84d26c00 r7:00000000 r6:83018000 r5:00001000 r4:7f073000 ** 6 printk messages dropped ** [ 1341.478325][ T32] r7:dddced80 r6:83018000 r5:85714f8c r4:85682b80 ** 12 printk messages dropped ** [ 1341.478798][ T32] r4:85674040 ** 2 printk messages dropped ** [ 1341.479291][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.479358][ T32] Call trace: [ 1341.479418][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.479469][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.479520][ T32] r4:00000000 [ 1341.479543][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.479581][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.479609][ T32] 9d20: da19e000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.479638][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.479695][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.479755][ T32] r5:80070013 r4:80239bb0 [ 1341.512890][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.513038][ T32] r4:82ac11a4 [ 1341.513084][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.513138][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.513162][ T32] r4:e47b9dc0 [ 1341.513201][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.513274][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.513307][ T32] r4:00000000 [ 1341.513347][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.513411][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.513462][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.513516][ T32] r5:00001000 r4:ece91000 [ 1341.513537][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.513596][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.513645][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.513666][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.513712][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.513733][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.513803][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.513834][ T32] r4:8454d780 ** 1 printk messages dropped ** [ 1341.513998][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 7 printk messages dropped ** [ 1341.514413][ T32] r4:84e5a340 ** 4 printk messages dropped ** [ 1341.514609][ T32] task:kworker/1:787 state:D stack:0 pid:5510 tgid:5510 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1341.515054][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec49de08 ** 9 printk messages dropped ** [ 1341.515477][ T32] r5:00001000 r4:eadcd000 [ 1341.515499][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.515538][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.515578][ T32] r5:8574c78c r4:8574c400 [ 1341.515597][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.515638][ T32] r7:ddde2d80 r6:83018200 r5:8574c78c r4:85671000 [ 1341.515674][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.515755][ T32] r10:61c88647 r9:85780000 r8:8567102c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.515780][ T32] r4:85671000 [ 1341.515799][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.515842][ T32] r10:00000000 r9:85671000 r8:8027f5e8 r7:ec451e60 r6:85682c80 r5:85780000 [ 1341.515863][ T32] r4:00000001 [ 1341.515881][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.515917][ T32] Exception stack(0xec49dfb0 to 0xec49dff8) [ 1341.515962][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.515994][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.516020][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.516074][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.516100][ T32] r4:85679480 [ 1341.516590][ T32] INFO: task kworker/1:787:5510 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.516623][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.516679][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.516721][ T32] Call trace: [ 1341.516751][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.516797][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.516820][ T32] r4:00000000 [ 1341.516880][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.516922][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.516950][ T32] 9d20: da6a1000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.516978][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.517023][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.517057][ T32] r5:80070013 r4:80239bb0 [ 1341.517092][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 8 printk messages dropped ** [ 1341.517438][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 9 printk messages dropped ** [ 1341.517857][ T32] r4:8454d780 ** 6 printk messages dropped ** [ 1341.518050][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1341.518397][ T32] task:kworker/1:788 state:D stack:0 pid:5514 tgid:5514 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1341.518938][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec479e08 [ 1341.518963][ T32] r4:00000000 [ 1341.518982][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.519017][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.519085][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.519157][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856797c0 [ 1341.519198][ T32] r4:00000000 [ 1341.519246][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.519308][ T32] r9:83018205 r8:85780c00 r7:00000000 r6:83018200 r5:00001000 r4:7f029000 [ 1341.519331][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.519371][ T32] r5:00001000 r4:e060f000 [ 1341.519431][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.519522][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.519599][ T32] r5:8574bb8c r4:8574b800 [ 1341.519647][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.519716][ T32] r7:ddde2d80 r6:83018200 r5:8574bb8c r4:85671080 [ 1341.540161][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.540294][ T32] r10:61c88647 r9:85780c00 r8:856710ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.540358][ T32] r4:85671080 [ 1341.540383][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.540432][ T32] r10:00000000 r9:85671080 r8:8027f5e8 r7:ec49de60 r6:85682d00 r5:85780c00 [ 1341.540464][ T32] r4:00000001 [ 1341.540487][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.540569][ T32] Exception stack(0xec479fb0 to 0xec479ff8) ** 5 printk messages dropped ** [ 1341.541238][ T32] INFO: task kworker/1:788:5514 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 13 printk messages dropped ** [ 1341.541985][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1341.542315][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1341.542743][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1341.543086][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1341.543374][ T32] task:kworker/1:789 state:D stack:0 pid:5516 tgid:5516 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.543448][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.543556][ T32] Call trace: ** 2 printk messages dropped ** [ 1341.543668][ T32] r4:85782400 [ 1341.543689][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.543728][ T32] r5:85782400 r4:82918808 [ 1341.543747][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.543808][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.543875][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9a1e08 [ 1341.543903][ T32] r4:00000000 [ 1341.543923][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.543959][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.543995][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.544042][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85679900 [ 1341.544065][ T32] r4:00000000 [ 1341.544095][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.544156][ T32] r9:83018205 r8:85782400 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 [ 1341.544186][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.544247][ T32] r5:00001000 r4:ea937000 [ 1341.544270][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.544309][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.544349][ T32] r5:8574bf8c r4:8574bc00 [ 1341.544367][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.544418][ T32] r7:ddde2d80 r6:83018200 r5:8574bf8c r4:85671100 [ 1341.544441][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.544487][ T32] r10:61c88647 r9:85782400 r8:8567112c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.544538][ T32] r4:85671100 [ 1341.544569][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.544616][ T32] r10:00000000 r9:85671100 r8:8027f5e8 r7:ec49de60 r6:85682d80 r5:85782400 [ 1341.544639][ T32] r4:00000001 [ 1341.544658][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.544694][ T32] Exception stack(0xeb9a1fb0 to 0xeb9a1ff8) [ 1341.544741][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.544778][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.544804][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.544853][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.544904][ T32] r4:85679700 [ 1341.545221][ T32] INFO: task kworker/1:789:5516 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.545276][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.545375][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.545436][ T32] Call trace: [ 1341.545490][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.545564][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.545631][ T32] r4:00000000 [ 1341.545699][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.545741][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.545769][ T32] 9d20: dac02000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.545822][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.545850][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.545874][ T32] r5:80070013 r4:80239bb0 [ 1341.545894][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.545969][ T32] r4:82ac11a4 [ 1341.546012][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.546097][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.546142][ T32] r4:e47b9dc0 [ 1341.546165][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.546257][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.546345][ T32] r4:00000000 [ 1341.546370][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.546416][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.546438][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.546511][ T32] r5:00001000 r4:ece91000 [ 1341.546535][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.546575][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.546636][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.546660][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.546707][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.546728][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.546773][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.546815][ T32] r4:8454d780 [ 1341.546836][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.546881][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.546923][ T32] r4:00000001 [ 1341.546966][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.547005][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.547054][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.547092][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.547151][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.547203][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.547228][ T32] r4:84e5a340 [ 1341.547248][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.547274][ T32] INFO: task kworker/1:790:5519 blocked for more than 468 seconds. [ 1341.547316][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.547362][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.547386][ T32] task:kworker/1:790 state:D stack:0 pid:5519 tgid:5519 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.547451][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.547498][ T32] Call trace: [ 1341.547572][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.547625][ T32] r10:8291880c r9:eb9f5d84 r8:00000002 r7:60000113 r6:eb9f5d8c r5:85781800 [ 1341.547672][ T32] r4:85781800 [ 1341.547720][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.547803][ T32] r5:85781800 r4:82918808 [ 1341.547832][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.547869][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.547910][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9f5e08 [ 1341.547952][ T32] r4:00000000 [ 1341.547999][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.548046][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.548086][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.548195][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85679a40 ** 1 printk messages dropped ** [ 1341.548279][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1341.548417][ T32] r5:00001000 r4:eaa99000 ** 1 printk messages dropped ** [ 1341.548516][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1341.548661][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1341.548819][ T32] r10:61c88647 r9:85781800 r8:856711ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.548850][ T32] r4:85671180 [ 1341.548892][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.548943][ T32] r10:00000000 r9:85671180 r8:8027f5e8 r7:ec49de60 r6:85682e00 r5:85781800 [ 1341.548988][ T32] r4:00000001 [ 1341.549013][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.549062][ T32] Exception stack(0xeb9f5fb0 to 0xeb9f5ff8) [ 1341.549115][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.549149][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.549179][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.549208][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.549231][ T32] r4:856798c0 [ 1341.549574][ T32] INFO: task kworker/1:790:5519 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.549615][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.549694][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.572426][ T32] Call trace: [ 1341.572478][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.572551][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.572576][ T32] r4:00000000 [ 1341.572597][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.572637][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.572669][ T32] 9d20: db1e2000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.572698][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.572739][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.572775][ T32] r5:80070013 r4:80239bb0 [ 1341.572796][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.572864][ T32] r4:82ac11a4 [ 1341.572888][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.572956][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.572982][ T32] r4:e47b9dc0 [ 1341.573003][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.573054][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.573097][ T32] r4:00000000 [ 1341.573121][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.573189][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.573239][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.573299][ T32] r5:00001000 r4:ece91000 [ 1341.573319][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.573357][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.573419][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.573459][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.573510][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.573531][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.573581][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.573635][ T32] r4:8454d780 [ 1341.573661][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.573707][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.573751][ T32] r4:00000001 [ 1341.573787][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.573825][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.573861][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.573908][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.573980][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.574032][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.574064][ T32] r4:84e5a340 [ 1341.574137][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.574182][ T32] INFO: task kworker/1:791:5520 blocked for more than 468 seconds. [ 1341.574344][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.574375][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.574418][ T32] task:kworker/1:791 state:D stack:0 pid:5520 tgid:5520 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.574530][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.574576][ T32] Call trace: [ 1341.574624][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.574673][ T32] r10:8291880c r9:eba01d84 r8:00000002 r7:60000113 r6:eba01d8c r5:85784800 [ 1341.574695][ T32] r4:85784800 [ 1341.574740][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.574784][ T32] r5:85784800 r4:82918808 [ 1341.574806][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.574842][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.574883][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba01e08 [ 1341.574905][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1341.574978][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 3 printk messages dropped ** [ 1341.575148][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1341.575253][ T32] r5:00001000 r4:eb0d5000 [ 1341.575293][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.575336][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.575398][ T32] r5:8574cf8c r4:8574cc00 [ 1341.575425][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.575470][ T32] r7:ddde2d80 r6:83018200 r5:8574cf8c r4:85671200 ** 1 printk messages dropped ** [ 1341.575553][ T32] r10:61c88647 r9:85784800 r8:8567122c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1341.575765][ T32] Exception stack(0xeba01fb0 to 0xeba01ff8) ** 2 printk messages dropped ** [ 1341.575873][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1341.576464][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1341.576667][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.576690][ T32] r4:00000000 [ 1341.576721][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.576767][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.576816][ T32] 9d20: db1e2000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.576847][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.576872][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.576917][ T32] r5:80070013 r4:80239bb0 [ 1341.576940][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.576986][ T32] r4:82ac11a4 [ 1341.577005][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.577066][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.577089][ T32] r4:e47b9dc0 [ 1341.577107][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.577149][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.577191][ T32] r4:00000000 [ 1341.577215][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.577261][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.577283][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.577344][ T32] r5:00001000 r4:ece91000 [ 1341.577387][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.577449][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.577514][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.577538][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.577585][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.577605][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.577648][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.577690][ T32] r4:8454d780 [ 1341.577712][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.577755][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.577777][ T32] r4:00000001 [ 1341.577796][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.577830][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.577876][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.577908][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.577935][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.577962][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.577984][ T32] r4:84e5a340 [ 1341.578024][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.578057][ T32] INFO: task kworker/1:792:5521 blocked for more than 468 seconds. [ 1341.578085][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.578108][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.578128][ T32] task:kworker/1:792 state:D stack:0 pid:5521 tgid:5521 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.578212][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.578342][ T32] Call trace: [ 1341.578444][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.578503][ T32] r10:8291880c r9:eba11d84 r8:00000002 r7:60000113 r6:eba11d8c r5:85785400 [ 1341.578527][ T32] r4:85785400 [ 1341.578548][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.578610][ T32] r5:85785400 r4:82918808 [ 1341.578649][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.578708][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.578778][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba11e08 [ 1341.578820][ T32] r4:00000000 [ 1341.578865][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.578937][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.578999][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.579057][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85679cc0 [ 1341.579103][ T32] r4:00000000 [ 1341.579128][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.579175][ T32] r9:83018205 r8:85785400 r7:00000000 r6:83018200 r5:00001000 r4:7f031000 [ 1341.579197][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.579263][ T32] r5:00001000 r4:eb041000 [ 1341.579337][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.579388][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.579452][ T32] r5:8574cb8c r4:8574c800 [ 1341.579477][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.579525][ T32] r7:ddde2d80 r6:83018200 r5:8574cb8c r4:85671280 [ 1341.579567][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.579620][ T32] r10:61c88647 r9:85785400 r8:856712ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.579645][ T32] r4:85671280 [ 1341.579665][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.579746][ T32] r10:00000000 r9:85671280 r8:8027f5e8 r7:eba01e60 r6:85682f00 r5:85785400 [ 1341.593269][ T32] r4:00000001 [ 1341.593346][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.593410][ T32] Exception stack(0xeba11fb0 to 0xeba11ff8) [ 1341.593468][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.593505][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.593534][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.593564][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.593590][ T32] r4:85679940 [ 1341.594061][ T32] INFO: task kworker/1:792:5521 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.594118][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.594251][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.594320][ T32] Call trace: [ 1341.594355][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.594405][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.594429][ T32] r4:00000000 [ 1341.594469][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.594511][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.594560][ T32] 9d20: db1e2000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.594613][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.594644][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.594668][ T32] r5:80070013 r4:80239bb0 [ 1341.594709][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.594758][ T32] r4:82ac11a4 [ 1341.594779][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.594824][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.594846][ T32] r4:e47b9dc0 [ 1341.594904][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.594952][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.594974][ T32] r4:00000000 [ 1341.594992][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.595067][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.595103][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.595168][ T32] r5:00001000 r4:ece91000 [ 1341.595231][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.595295][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.595361][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.595385][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.595451][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.595476][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.595521][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.595563][ T32] r4:8454d780 [ 1341.595586][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.595630][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.595652][ T32] r4:00000001 [ 1341.595670][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.595704][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.595729][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.595816][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.595898][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.595966][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.596023][ T32] r4:84e5a340 [ 1341.596077][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.596108][ T32] INFO: task kworker/1:793:5524 blocked for more than 468 seconds. [ 1341.596162][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.596190][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.596211][ T32] task:kworker/1:793 state:D stack:0 pid:5524 tgid:5524 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.596255][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.596343][ T32] Call trace: [ 1341.596406][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.596456][ T32] r10:8291880c r9:eba45d84 r8:00000002 r7:60000013 r6:eba45d8c r5:85786c00 [ 1341.596499][ T32] r4:85786c00 [ 1341.596522][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.596562][ T32] r5:85786c00 r4:82918808 [ 1341.596581][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.596617][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.596658][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba45e08 [ 1341.596681][ T32] r4:00000000 [ 1341.596699][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.596732][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.596825][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.596920][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8567d940 [ 1341.596951][ T32] r4:00000000 [ 1341.596977][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.597046][ T32] r9:83018205 r8:85786c00 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1341.597090][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.597222][ T32] r5:00001000 r4:eb489000 [ 1341.597245][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.597294][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.597339][ T32] r5:8574db8c r4:8574d800 [ 1341.597359][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.597402][ T32] r7:ddde2d80 r6:83018200 r5:8574db8c r4:85671300 [ 1341.597503][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.597551][ T32] r10:61c88647 r9:85786c00 r8:8567132c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.597613][ T32] r4:85671300 [ 1341.597635][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.597679][ T32] r10:00000000 r9:85671300 r8:8027f5e8 r7:eba01e60 r6:85682f80 r5:85786c00 [ 1341.597702][ T32] r4:00000001 [ 1341.597720][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.597755][ T32] Exception stack(0xeba45fb0 to 0xeba45ff8) [ 1341.597782][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.597829][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.597939][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.597981][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.598006][ T32] r4:85679ac0 [ 1341.598356][ T32] INFO: task kworker/1:793:5524 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.598397][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.598478][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.598559][ T32] Call trace: [ 1341.598621][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.598678][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.598703][ T32] r4:00000000 [ 1341.598747][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.598847][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.598884][ T32] 9d20: db1e2000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.598915][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.598943][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.598968][ T32] r5:80070013 r4:80239bb0 [ 1341.599010][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.599069][ T32] r4:82ac11a4 [ 1341.599090][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.599138][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.599161][ T32] r4:e47b9dc0 [ 1341.599237][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.599348][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.599383][ T32] r4:00000000 [ 1341.599405][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.599453][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.599476][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.599522][ T32] r5:00001000 r4:ece91000 [ 1341.599543][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.599582][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.599624][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.599645][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.599706][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.615776][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.615903][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.615930][ T32] r4:8454d780 [ 1341.615972][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.616022][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.616071][ T32] r4:00000001 [ 1341.616095][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.616134][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.616163][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.616190][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.616237][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.616275][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.616297][ T32] r4:84e5a340 [ 1341.616340][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.616372][ T32] INFO: task kworker/1:794:5525 blocked for more than 468 seconds. [ 1341.616424][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.616455][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.616478][ T32] task:kworker/1:794 state:D stack:0 pid:5525 tgid:5525 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.616561][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.616607][ T32] Call trace: ** 1 printk messages dropped ** [ 1341.616720][ T32] r10:8291880c r9:eba51d84 r8:00000002 r7:60000113 r6:eba51d8c r5:85783000 ** 4 printk messages dropped ** [ 1341.616918][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1341.617100][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 3 printk messages dropped ** [ 1341.617271][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1341.617432][ T32] r5:00001000 r4:eb32d000 [ 1341.617453][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.617491][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.617531][ T32] r5:8574d38c r4:8574d000 [ 1341.617550][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.617593][ T32] r7:ddde2d80 r6:83018200 r5:8574d38c r4:85671380 [ 1341.617613][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.617676][ T32] r10:61c88647 r9:85783000 r8:856713ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.617722][ T32] r4:85671380 [ 1341.617745][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.617818][ T32] r10:00000000 r9:85671380 r8:8027f5e8 r7:eba45e60 r6:85688000 r5:85783000 [ 1341.617843][ T32] r4:00000001 [ 1341.617862][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.617897][ T32] Exception stack(0xeba51fb0 to 0xeba51ff8) [ 1341.617944][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.617986][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.618015][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.618049][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.618072][ T32] r4:85679c80 [ 1341.618556][ T32] INFO: task kworker/1:794:5525 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.618614][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.618721][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.618812][ T32] Call trace: [ 1341.618876][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.618934][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.618961][ T32] r4:00000000 [ 1341.619007][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.619056][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.619107][ T32] 9d20: db630000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.619162][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.619216][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.619302][ T32] r5:80070013 r4:80239bb0 [ 1341.619329][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.619379][ T32] r4:82ac11a4 [ 1341.619400][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.619447][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.619470][ T32] r4:e47b9dc0 [ 1341.619497][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.619544][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.619592][ T32] r4:00000000 [ 1341.619638][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.619707][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.619823][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.633634][ T32] r5:00001000 r4:ece91000 [ 1341.633704][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.633771][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.633815][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.633835][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.633913][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.633939][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.634010][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.634057][ T32] r4:8454d780 [ 1341.634100][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.634148][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.634170][ T32] r4:00000001 [ 1341.634225][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.634280][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.634312][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.634340][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.634366][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.634421][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.634448][ T32] r4:84e5a340 [ 1341.634492][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.634557][ T32] INFO: task kworker/1:795:5528 blocked for more than 468 seconds. [ 1341.634597][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.634624][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.634668][ T32] task:kworker/1:795 state:D stack:0 pid:5528 tgid:5528 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.634750][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.634802][ T32] Call trace: [ 1341.634835][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.634898][ T32] r10:8291880c r9:eba79d84 r8:00000002 r7:60000013 r6:eba79d8c r5:84f10c00 [ 1341.634924][ T32] r4:84f10c00 [ 1341.634944][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.635004][ T32] r5:84f10c00 r4:82918808 [ 1341.635035][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.635073][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.635115][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba79e08 [ 1341.635159][ T32] r4:00000000 [ 1341.635190][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.635265][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.635338][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.635386][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85679180 [ 1341.635408][ T32] r4:00000000 [ 1341.635427][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.635473][ T32] r9:83018205 r8:84f10c00 r7:00000000 r6:83018200 r5:00001000 r4:7f065000 [ 1341.635505][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.635549][ T32] r5:00001000 r4:eb42f000 [ 1341.635592][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.635633][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.635694][ T32] r5:8574d78c r4:8574d400 [ 1341.635759][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.635808][ T32] r7:ddde2d80 r6:83018200 r5:8574d78c r4:85671400 [ 1341.635848][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.635916][ T32] r10:61c88647 r9:84f10c00 r8:8567142c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.635943][ T32] r4:85671400 [ 1341.635962][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.636054][ T32] r10:00000000 r9:85671400 r8:8027f5e8 r7:eba45e60 r6:85688080 r5:84f10c00 [ 1341.636084][ T32] r4:00000001 [ 1341.636103][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.636139][ T32] Exception stack(0xeba79fb0 to 0xeba79ff8) [ 1341.636165][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.636214][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.636266][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.636317][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.636342][ T32] r4:85679dc0 [ 1341.636815][ T32] INFO: task kworker/1:795:5528 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.636868][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.636948][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.636996][ T32] Call trace: [ 1341.637055][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.637103][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.637126][ T32] r4:00000000 [ 1341.637145][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.637181][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.637221][ T32] 9d20: db9a6000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.637274][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.637303][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.637326][ T32] r5:80070013 r4:80239bb0 [ 1341.637346][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.637410][ T32] r4:82ac11a4 [ 1341.637433][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.637501][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.637526][ T32] r4:e47b9dc0 [ 1341.637546][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.637591][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.637633][ T32] r4:00000000 [ 1341.637677][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.637726][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.637768][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.637833][ T32] r5:00001000 r4:ece91000 [ 1341.637856][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.637895][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.637934][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.637953][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.637997][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.638033][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.638082][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.638125][ T32] r4:8454d780 [ 1341.638147][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.638250][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.638293][ T32] r4:00000001 [ 1341.638313][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.638349][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.638375][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.638402][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.638439][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.638491][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.638551][ T32] r4:84e5a340 [ 1341.638578][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.638625][ T32] INFO: task kworker/1:796:5530 blocked for more than 468 seconds. [ 1341.638658][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.638682][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.638703][ T32] task:kworker/1:796 state:D stack:0 pid:5530 tgid:5530 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.638771][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.638886][ T32] Call trace: [ 1341.638925][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.638975][ T32] r10:8291880c r9:ebaa1d84 r8:00000002 r7:60000113 r6:ebaa1d8c r5:84f12400 [ 1341.638997][ T32] r4:84f12400 [ 1341.639023][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.639093][ T32] r5:84f12400 r4:82918808 [ 1341.639136][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.639183][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.639255][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebaa1e08 [ 1341.639295][ T32] r4:00000000 [ 1341.639326][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.639366][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.639424][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.639471][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8568d4c0 [ 1341.639493][ T32] r4:00000000 [ 1341.639533][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.639586][ T32] r9:83018205 r8:84f12400 r7:00000000 r6:83018200 r5:00001000 r4:7f06f000 [ 1341.639629][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.639679][ T32] r5:00001000 r4:eb5ed000 [ 1341.639716][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.655830][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.655932][ T32] r5:8574eb8c r4:8574e800 [ 1341.655955][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.656004][ T32] r7:ddde2d80 r6:83018200 r5:8574eb8c r4:85671480 [ 1341.656032][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.656110][ T32] r10:61c88647 r9:84f12400 r8:856714ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.656142][ T32] r4:85671480 [ 1341.656163][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.656209][ T32] r10:00000000 r9:85671480 r8:8027f5e8 r7:eba45e60 r6:85688100 r5:84f12400 [ 1341.656230][ T32] r4:00000001 [ 1341.656250][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.656287][ T32] Exception stack(0xebaa1fb0 to 0xebaa1ff8) [ 1341.656316][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.656344][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.656388][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.656444][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.656474][ T32] r4:8567dbc0 [ 1341.656945][ T32] INFO: task kworker/1:796:5530 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.657004][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.657100][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.657166][ T32] Call trace: [ 1341.657202][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.657253][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.657275][ T32] r4:00000000 [ 1341.657314][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.657356][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.657394][ T32] 9d20: dbd8a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.657426][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.657465][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.657502][ T32] r5:80070013 r4:80239bb0 [ 1341.657525][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.657572][ T32] r4:82ac11a4 [ 1341.657592][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.657638][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.657680][ T32] r4:e47b9dc0 [ 1341.657703][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.657747][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.657769][ T32] r4:00000000 [ 1341.657788][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.657841][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.657866][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.657908][ T32] r5:00001000 r4:ece91000 [ 1341.657928][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.657988][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.658043][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.658065][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.658110][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.658131][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.658174][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.658235][ T32] r4:8454d780 [ 1341.658262][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.658311][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.658359][ T32] r4:00000001 [ 1341.658394][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.658433][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.658459][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.658508][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.658539][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.658567][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.658589][ T32] r4:84e5a340 [ 1341.658608][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.658635][ T32] INFO: task kworker/1:797:5531 blocked for more than 468 seconds. [ 1341.658694][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.658722][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.658763][ T32] task:kworker/1:797 state:D stack:0 pid:5531 tgid:5531 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.658854][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.658899][ T32] Call trace: [ 1341.658928][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.658975][ T32] r10:8291880c r9:ebab9d84 r8:00000002 r7:60000013 r6:ebab9d8c r5:84f13000 [ 1341.659007][ T32] r4:84f13000 [ 1341.659069][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.659121][ T32] r5:84f13000 r4:82918808 [ 1341.659141][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.659178][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.659219][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebab9e08 [ 1341.659240][ T32] r4:00000000 [ 1341.659283][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.659350][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.659418][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.659464][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85663b80 [ 1341.659488][ T32] r4:00000000 [ 1341.659507][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.659549][ T32] r9:83018205 r8:84f13000 r7:00000000 r6:83018200 r5:00001000 r4:7f069000 [ 1341.659570][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.659631][ T32] r5:00001000 r4:eb4d5000 [ 1341.659654][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.659702][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.672462][ T32] r5:8574df8c r4:8574dc00 [ 1341.672504][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.672573][ T32] r7:ddde2d80 r6:83018200 r5:8574df8c r4:85671500 [ 1341.672612][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.672670][ T32] r10:61c88647 r9:84f13000 r8:8567152c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.672693][ T32] r4:85671500 [ 1341.672712][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.672767][ T32] r10:00000000 r9:85671500 r8:8027f5e8 r7:ebaa1e60 r6:85688180 r5:84f13000 [ 1341.672793][ T32] r4:00000001 [ 1341.672813][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.672871][ T32] Exception stack(0xebab9fb0 to 0xebab9ff8) [ 1341.672925][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.672980][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.673015][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.673050][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.673074][ T32] r4:85663d80 [ 1341.673559][ T32] INFO: task kworker/1:797:5531 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.673597][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.673687][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.673754][ T32] Call trace: [ 1341.673829][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.673890][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.673914][ T32] r4:00000000 [ 1341.673934][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.673970][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.673998][ T32] 9d20: dc0a6000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.674031][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.674059][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.674084][ T32] r5:80070013 r4:80239bb0 [ 1341.674124][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.674234][ T32] r4:82ac11a4 [ 1341.674272][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.674329][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.674353][ T32] r4:e47b9dc0 [ 1341.674404][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.674454][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.674477][ T32] r4:00000000 [ 1341.674518][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.674582][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.674609][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.674673][ T32] r5:00001000 r4:ece91000 [ 1341.674697][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.674737][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.674778][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.674797][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.674841][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.674861][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.674905][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.674927][ T32] r4:8454d780 [ 1341.674967][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.675032][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.675106][ T32] r4:00000001 [ 1341.675149][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.675221][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.675253][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.675325][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.675355][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.675382][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.675404][ T32] r4:84e5a340 [ 1341.675445][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.675479][ T32] INFO: task kworker/1:798:5533 blocked for more than 468 seconds. [ 1341.675520][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.675578][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.675615][ T32] task:kworker/1:798 state:D stack:0 pid:5533 tgid:5533 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.675663][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.675749][ T32] Call trace: [ 1341.675825][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.675906][ T32] r10:8291880c r9:eb851d84 r8:00000002 r7:60000013 r6:eb851d8c r5:856eb000 [ 1341.675931][ T32] r4:856eb000 [ 1341.675973][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.676016][ T32] r5:856eb000 r4:82918808 [ 1341.676052][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.676113][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.676196][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb851e08 [ 1341.676250][ T32] r4:00000000 [ 1341.676293][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.676332][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.676389][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.676445][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8568d100 [ 1341.676477][ T32] r4:00000000 [ 1341.676517][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.676564][ T32] r9:83018205 r8:856eb000 r7:00000000 r6:83018200 r5:00001000 r4:7f06b000 [ 1341.676586][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.676634][ T32] r5:00001000 r4:eb501000 [ 1341.676662][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.676721][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.676795][ T32] r5:8574e38c r4:8574e000 [ 1341.676817][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.676882][ T32] r7:ddde2d80 r6:83018200 r5:8574e38c r4:85671580 [ 1341.676918][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.676970][ T32] r10:61c88647 r9:856eb000 r8:856715ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.677015][ T32] r4:85671580 [ 1341.677047][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.677092][ T32] r10:00000000 r9:85671580 r8:8027f5e8 r7:ebaa1e60 r6:85671600 r5:856eb000 [ 1341.677136][ T32] r4:00000001 [ 1341.677187][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.677227][ T32] Exception stack(0xeb851fb0 to 0xeb851ff8) [ 1341.677277][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.677309][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.677357][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.677388][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.677410][ T32] r4:8568d040 [ 1341.677720][ T32] INFO: task kworker/1:798:5533 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 4 printk messages dropped ** [ 1341.677995][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 4 printk messages dropped ** [ 1341.678149][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 3 printk messages dropped ** [ 1341.678444][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1341.678532][ T32] r4:e47b9dc0 ** 3 printk messages dropped ** [ 1341.678721][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 3 printk messages dropped ** [ 1341.678923][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.678962][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.679023][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.679053][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.679100][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.679141][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.679189][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.679211][ T32] r4:8454d780 [ 1341.679230][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.679275][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.679351][ T32] r4:00000001 [ 1341.679386][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.679424][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.679449][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.679477][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.679503][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.679529][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.679579][ T32] r4:84e5a340 [ 1341.679624][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.679664][ T32] INFO: task kworker/1:799:5535 blocked for more than 468 seconds. [ 1341.679714][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.693787][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.693888][ T32] task:kworker/1:799 state:D stack:0 pid:5535 tgid:5535 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.693956][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.694016][ T32] Call trace: [ 1341.694087][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.694146][ T32] r10:8291880c r9:ebacdd84 r8:00000002 r7:60000013 r6:ebacdd8c r5:856e9800 [ 1341.694169][ T32] r4:856e9800 [ 1341.694350][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.694404][ T32] r5:856e9800 r4:82918808 [ 1341.694461][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.694523][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.694574][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebacde08 [ 1341.694597][ T32] r4:00000000 [ 1341.694656][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.694697][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.694739][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.694782][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8568d300 [ 1341.694816][ T32] r4:00000000 [ 1341.694838][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.694907][ T32] r9:83018205 r8:856e9800 r7:00000000 r6:83018200 r5:00001000 r4:7f06d000 [ 1341.694933][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.694995][ T32] r5:00001000 r4:eb54d000 [ 1341.695019][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.695067][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.695108][ T32] r5:8574e78c r4:8574e400 [ 1341.695148][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.695200][ T32] r7:ddde2d80 r6:83018200 r5:8574e78c r4:85671680 [ 1341.695221][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.695266][ T32] r10:61c88647 r9:856e9800 r8:856716ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.695287][ T32] r4:85671680 [ 1341.695306][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.695350][ T32] r10:00000000 r9:85671680 r8:8027f5e8 r7:ebaa1e60 r6:85671700 r5:856e9800 [ 1341.695371][ T32] r4:00000001 [ 1341.695390][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.695449][ T32] Exception stack(0xebacdfb0 to 0xebacdff8) [ 1341.695483][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.695513][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.695539][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.695566][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.695588][ T32] r4:8568d240 [ 1341.696050][ T32] INFO: task kworker/1:799:5535 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.696104][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.696229][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.696283][ T32] Call trace: [ 1341.696353][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.696427][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.696461][ T32] r4:00000000 [ 1341.696498][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.696570][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.696602][ T32] 9d20: dc2a4000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.696631][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.696655][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.696678][ T32] r5:80070013 r4:80239bb0 [ 1341.696698][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.696742][ T32] r4:82ac11a4 [ 1341.696772][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.696837][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.696882][ T32] r4:e47b9dc0 [ 1341.696909][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.696973][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.697019][ T32] r4:00000000 [ 1341.697047][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.697101][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.697126][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.697167][ T32] r5:00001000 r4:ece91000 [ 1341.697188][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.697226][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.697266][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.697285][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.697349][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.697393][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.697442][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.697464][ T32] r4:8454d780 [ 1341.697482][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.697523][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.697545][ T32] r4:00000001 [ 1341.697592][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.697632][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.697658][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.697685][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.697711][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.697759][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.697794][ T32] r4:84e5a340 [ 1341.697827][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.697883][ T32] INFO: task kworker/1:800:5538 blocked for more than 468 seconds. [ 1341.697959][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.697988][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.698010][ T32] task:kworker/1:800 state:D stack:0 pid:5538 tgid:5538 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.698060][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.698111][ T32] Call trace: [ 1341.698144][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.698226][ T32] r10:8291880c r9:eb869d84 r8:00000002 r7:60000113 r6:eb869d8c r5:856ec800 [ 1341.698286][ T32] r4:856ec800 [ 1341.698382][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.698476][ T32] r5:856ec800 r4:82918808 [ 1341.698498][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.698538][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.698600][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb869e08 [ 1341.698627][ T32] r4:00000000 [ 1341.698646][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.698689][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.698730][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.698808][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8568d980 [ 1341.698857][ T32] r4:00000000 [ 1341.698881][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.698926][ T32] r9:83018205 r8:856ec800 r7:00000000 r6:83018200 r5:00001000 r4:7f075000 [ 1341.698947][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.698997][ T32] r5:00001000 r4:eb6bd000 [ 1341.699019][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.699064][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.699125][ T32] r5:8574f38c r4:8574f000 [ 1341.699147][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.699206][ T32] r7:ddde2d80 r6:83018200 r5:8574f38c r4:85671780 [ 1341.699269][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.699330][ T32] r10:61c88647 r9:856ec800 r8:856717ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.699352][ T32] r4:85671780 [ 1341.699371][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.699413][ T32] r10:00000000 r9:85671780 r8:8027f5e8 r7:ebaa1e60 r6:85671800 r5:856ec800 [ 1341.699452][ T32] r4:00000001 [ 1341.699475][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.699513][ T32] Exception stack(0xeb869fb0 to 0xeb869ff8) [ 1341.699539][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.699566][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.699592][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.699620][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.699662][ T32] r4:8568d340 [ 1341.717290][ T32] INFO: task kworker/1:800:5538 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.717396][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.717493][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.717594][ T32] Call trace: [ 1341.717635][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.717694][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.717719][ T32] r4:00000000 [ 1341.717738][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.717798][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.717855][ T32] 9d20: dc8f6000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.717897][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.717923][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.717947][ T32] r5:80070013 r4:80239bb0 [ 1341.717967][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.718032][ T32] r4:82ac11a4 [ 1341.718069][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.718130][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.718156][ T32] r4:e47b9dc0 [ 1341.718177][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.718291][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.718319][ T32] r4:00000000 [ 1341.718369][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.718422][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.718444][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.718487][ T32] r5:00001000 r4:ece91000 [ 1341.718527][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.718570][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.718612][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.718632][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.718677][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.718708][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.718771][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.718815][ T32] r4:8454d780 [ 1341.718859][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.718912][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.718934][ T32] r4:00000001 [ 1341.718953][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.719000][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.719043][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.719073][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.719099][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.719126][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.719167][ T32] r4:84e5a340 [ 1341.719195][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.719224][ T32] INFO: task kworker/1:801:5539 blocked for more than 468 seconds. [ 1341.719282][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.719313][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.719339][ T32] task:kworker/1:801 state:D stack:0 pid:5539 tgid:5539 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.719476][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.719528][ T32] Call trace: [ 1341.719596][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.719647][ T32] r10:8291880c r9:ebad5d84 r8:00000002 r7:60000113 r6:ebad5d8c r5:856ed400 [ 1341.719669][ T32] r4:856ed400 [ 1341.719696][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.727998][ T32] r5:856ed400 r4:82918808 [ 1341.728045][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.728105][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.728149][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebad5e08 [ 1341.728172][ T32] r4:00000000 [ 1341.728192][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.728226][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.728290][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.728371][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8568d680 [ 1341.728403][ T32] r4:00000000 [ 1341.728424][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.728470][ T32] r9:83018205 r8:856ed400 r7:00000000 r6:83018200 r5:00001000 r4:7f071000 [ 1341.728492][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.728534][ T32] r5:00001000 r4:eb647000 [ 1341.728575][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.728618][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.728660][ T32] r5:8574ef8c r4:8574ec00 [ 1341.728703][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.728794][ T32] r7:ddde2d80 r6:83018200 r5:8574ef8c r4:85671880 [ 1341.728847][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.728900][ T32] r10:61c88647 r9:856ed400 r8:856718ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.728924][ T32] r4:85671880 [ 1341.728964][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.729014][ T32] r10:00000000 r9:85671880 r8:8027f5e8 r7:eb869e60 r6:85671900 r5:856ed400 [ 1341.729063][ T32] r4:00000001 [ 1341.729108][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.729154][ T32] Exception stack(0xebad5fb0 to 0xebad5ff8) [ 1341.729206][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.729246][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.729284][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.729343][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.729377][ T32] r4:8568d500 [ 1341.742667][ T32] INFO: task kworker/1:801:5539 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.742755][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.742828][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.742887][ T32] Call trace: [ 1341.742919][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.742973][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.743019][ T32] r4:00000000 [ 1341.743069][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.743113][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.743163][ T32] 9d20: dcdfd000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.743196][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.743221][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.743244][ T32] r5:80070013 r4:80239bb0 [ 1341.743273][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.743348][ T32] r4:82ac11a4 [ 1341.743372][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.743442][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.743470][ T32] r4:e47b9dc0 [ 1341.743497][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.743564][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.743590][ T32] r4:00000000 [ 1341.743610][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.743656][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.743677][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.743717][ T32] r5:00001000 r4:ece91000 [ 1341.743736][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.743794][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.743839][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.743860][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.743905][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.743934][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.743982][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.744004][ T32] r4:8454d780 [ 1341.744055][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.744124][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.744157][ T32] r4:00000001 [ 1341.744177][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.744237][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.744266][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.744294][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.744321][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.744350][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.744372][ T32] r4:84e5a340 [ 1341.744393][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.744431][ T32] INFO: task kworker/1:802:5540 blocked for more than 468 seconds. [ 1341.744485][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.744537][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.744585][ T32] task:kworker/1:802 state:D stack:0 pid:5540 tgid:5540 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.744660][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.744705][ T32] Call trace: [ 1341.744759][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.744808][ T32] r10:8291880c r9:ec4a1d84 r8:00000002 r7:60000013 r6:ec4a1d8c r5:84f13c00 [ 1341.744851][ T32] r4:84f13c00 [ 1341.744875][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.744960][ T32] r5:84f13c00 r4:82918808 [ 1341.745016][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.745104][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.745155][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec4a1e08 [ 1341.745178][ T32] r4:00000000 [ 1341.745197][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.745250][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.745297][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.745340][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8568dbc0 [ 1341.745382][ T32] r4:00000000 [ 1341.745408][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.745467][ T32] r9:83018205 r8:84f13c00 r7:00000000 r6:83018200 r5:00001000 r4:7f079000 [ 1341.745517][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.745613][ T32] r5:00001000 r4:eb843000 [ 1341.745644][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.745684][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.745724][ T32] r5:8574fb8c r4:8574f800 [ 1341.745743][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.745808][ T32] r7:ddde2d80 r6:83018200 r5:8574fb8c r4:85671980 [ 1341.745834][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.745882][ T32] r10:61c88647 r9:84f13c00 r8:856719ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.745907][ T32] r4:85671980 [ 1341.745926][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.745968][ T32] r10:00000000 r9:85671980 r8:8027f5e8 r7:eb869e60 r6:85688200 r5:84f13c00 [ 1341.746009][ T32] r4:00000001 [ 1341.746050][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.746105][ T32] Exception stack(0xec4a1fb0 to 0xec4a1ff8) [ 1341.746137][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.746166][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.746286][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.746322][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.746345][ T32] r4:8568d400 [ 1341.746775][ T32] INFO: task kworker/1:802:5540 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.746811][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.746902][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.746981][ T32] Call trace: [ 1341.747013][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.747086][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.747113][ T32] r4:00000000 [ 1341.747133][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.747171][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.747220][ T32] 9d20: dcdfd000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.747272][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.747301][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.747326][ T32] r5:80070013 r4:80239bb0 [ 1341.747345][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.747388][ T32] r4:82ac11a4 [ 1341.747427][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.747489][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.747548][ T32] r4:e47b9dc0 [ 1341.747570][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.747613][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.747634][ T32] r4:00000000 [ 1341.747653][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.747696][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.747717][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.747758][ T32] r5:00001000 r4:ece91000 [ 1341.747778][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.747835][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.747887][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.747907][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.747994][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.748021][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.748091][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.748117][ T32] r4:8454d780 [ 1341.748136][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.748179][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.748203][ T32] r4:00000001 [ 1341.748221][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.748276][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.748311][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.748339][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.748364][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.748392][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.748414][ T32] r4:84e5a340 [ 1341.748453][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.748482][ T32] INFO: task kworker/1:803:5544 blocked for more than 468 seconds. [ 1341.748509][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.748531][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.748552][ T32] task:kworker/1:803 state:D stack:0 pid:5544 tgid:5544 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.748613][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.748656][ T32] Call trace: [ 1341.748686][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.748747][ T32] r10:8291880c r9:ebae1d84 r8:00000002 r7:60000013 r6:ebae1d8c r5:84f11800 [ 1341.748804][ T32] r4:84f11800 [ 1341.748852][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.748897][ T32] r5:84f11800 r4:82918808 [ 1341.748916][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.748953][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.748995][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebae1e08 [ 1341.749016][ T32] r4:00000000 [ 1341.749042][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.749077][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.749112][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.749154][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8568dac0 [ 1341.749175][ T32] r4:00000000 [ 1341.749194][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.749241][ T32] r9:83018205 r8:84f11800 r7:00000000 r6:83018200 r5:00001000 r4:7f077000 [ 1341.749314][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.749384][ T32] r5:00001000 r4:eb809000 [ 1341.749407][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.749446][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.749509][ T32] r5:8574f78c r4:8574f400 [ 1341.749532][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.749576][ T32] r7:ddde2d80 r6:83018200 r5:8574f78c r4:85671a00 [ 1341.749616][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.749665][ T32] r10:61c88647 r9:84f11800 r8:85671a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.749706][ T32] r4:85671a00 [ 1341.770497][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.770619][ T32] r10:00000000 r9:85671a00 r8:8027f5e8 r7:ec4a1e60 r6:85688280 r5:84f11800 [ 1341.770647][ T32] r4:00000001 [ 1341.770669][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.770708][ T32] Exception stack(0xebae1fb0 to 0xebae1ff8) [ 1341.770738][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.770767][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.770794][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.770822][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.770845][ T32] r4:8568d740 [ 1341.771316][ T32] INFO: task kworker/1:803:5544 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.771350][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.771422][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.771492][ T32] Call trace: [ 1341.771555][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.771606][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.771649][ T32] r4:00000000 [ 1341.771696][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.771740][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.771768][ T32] 9d20: dd4a9000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.771797][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.771842][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.771872][ T32] r5:80070013 r4:80239bb0 [ 1341.771932][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.771983][ T32] r4:82ac11a4 [ 1341.772004][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.772067][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.772092][ T32] r4:e47b9dc0 [ 1341.772112][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.772156][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.772197][ T32] r4:00000000 [ 1341.772240][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.772330][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.772355][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.772417][ T32] r5:00001000 r4:ece91000 [ 1341.772440][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.772479][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.772519][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.772539][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.772604][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.772628][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.772674][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.772696][ T32] r4:8454d780 [ 1341.772724][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.772769][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.772791][ T32] r4:00000001 [ 1341.772810][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.772864][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.772893][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.772921][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.772968][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.772999][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.773021][ T32] r4:84e5a340 [ 1341.773046][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.773074][ T32] INFO: task kworker/1:804:5547 blocked for more than 468 seconds. [ 1341.773107][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.773132][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.773174][ T32] task:kworker/1:804 state:D stack:0 pid:5547 tgid:5547 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.773243][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.773348][ T32] Call trace: [ 1341.773402][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.773464][ T32] r10:8291880c r9:ec4a5d84 r8:00000002 r7:60000013 r6:ec4a5d8c r5:856ebc00 [ 1341.773487][ T32] r4:856ebc00 [ 1341.773506][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.773545][ T32] r5:856ebc00 r4:82918808 [ 1341.773586][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.773626][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.773668][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec4a5e08 [ 1341.773699][ T32] r4:00000000 [ 1341.773721][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.773755][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.773792][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.773833][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8568dcc0 [ 1341.773892][ T32] r4:00000000 [ 1341.773915][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.773958][ T32] r9:83018205 r8:856ebc00 r7:00000000 r6:83018200 r5:00001000 r4:7f07b000 [ 1341.774000][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.774057][ T32] r5:00001000 r4:eb865000 [ 1341.774089][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.774130][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.774220][ T32] r5:8574ff8c r4:8574fc00 [ 1341.774243][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.774309][ T32] r7:ddde2d80 r6:83018200 r5:8574ff8c r4:85671a80 [ 1341.774333][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.774399][ T32] r10:61c88647 r9:856ebc00 r8:85671aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.774425][ T32] r4:85671a80 [ 1341.774444][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.774488][ T32] r10:00000000 r9:85671a80 r8:8027f5e8 r7:ec4a1e60 r6:85671b00 r5:856ebc00 [ 1341.774574][ T32] r4:00000001 [ 1341.774596][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.774638][ T32] Exception stack(0xec4a5fb0 to 0xec4a5ff8) [ 1341.774665][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.774713][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.774742][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.774790][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.774861][ T32] r4:8568d9c0 [ 1341.775181][ T32] INFO: task kworker/1:804:5547 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.775213][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.775267][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.775325][ T32] Call trace: [ 1341.775394][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.775447][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.775505][ T32] r4:00000000 [ 1341.775528][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.775586][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.775656][ T32] 9d20: dd4a9000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.775688][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.775733][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.775759][ T32] r5:80070013 r4:80239bb0 [ 1341.775779][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.775842][ T32] r4:82ac11a4 [ 1341.775866][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.775935][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.775960][ T32] r4:e47b9dc0 [ 1341.775997][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.776057][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.776084][ T32] r4:00000000 [ 1341.776124][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.776175][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.776199][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.776242][ T32] r5:00001000 r4:ece91000 [ 1341.776262][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.776301][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.776343][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.776362][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.776427][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.776510][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.776558][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 1 printk messages dropped ** [ 1341.776639][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 5 printk messages dropped ** [ 1341.776875][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1341.777073][ T32] r4:84e5a340 ** 2 printk messages dropped ** [ 1341.777176][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1341.777264][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1341.777416][ T32] r10:8291880c r9:ec4b5d84 r8:00000002 r7:60000113 r6:ec4b5d8c r5:856eec00 [ 1341.777439][ T32] r4:856eec00 [ 1341.777458][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.777496][ T32] r5:856eec00 r4:82918808 [ 1341.777536][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.777575][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.777637][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec4b5e08 [ 1341.777662][ T32] r4:00000000 [ 1341.777681][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.777716][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.777753][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.777795][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857be940 [ 1341.777816][ T32] r4:00000000 [ 1341.777855][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.777921][ T32] r9:83018205 r8:856eec00 r7:00000000 r6:83018200 r5:00001000 r4:7f089000 [ 1341.777946][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.778006][ T32] r5:00001000 r4:eba75000 [ 1341.778047][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.778089][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.778141][ T32] r5:85755b8c r4:85755800 [ 1341.778163][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.778234][ T32] r7:ddde2d80 r6:83018200 r5:85755b8c r4:85671b80 [ 1341.778256][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.778305][ T32] r10:61c88647 r9:856eec00 r8:85671bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.778329][ T32] r4:85671b80 [ 1341.778348][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.778411][ T32] r10:00000000 r9:85671b80 r8:8027f5e8 r7:ec4a5e60 r6:85671c00 r5:856eec00 [ 1341.778436][ T32] r4:00000001 [ 1341.778501][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.778568][ T32] Exception stack(0xec4b5fb0 to 0xec4b5ff8) [ 1341.778598][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.778626][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.778652][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.778701][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.778728][ T32] r4:8568da40 [ 1341.779072][ T32] INFO: task kworker/1:805:5549 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.779118][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.779212][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.779290][ T32] Call trace: [ 1341.779348][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.779397][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.779420][ T32] r4:00000000 [ 1341.779440][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.779496][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.779527][ T32] 9d20: dd4a9000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.779585][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.779614][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.779659][ T32] r5:80070013 r4:80239bb0 [ 1341.779682][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.779769][ T32] r4:82ac11a4 [ 1341.800186][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.800302][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.800332][ T32] r4:e47b9dc0 [ 1341.800374][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.800425][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.800460][ T32] r4:00000000 [ 1341.800483][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.800529][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.800551][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.800593][ T32] r5:00001000 r4:ece91000 [ 1341.800613][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.800651][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.800691][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.800710][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.800755][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.800775][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.800839][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.800870][ T32] r4:8454d780 [ 1341.800891][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.800935][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.800978][ T32] r4:00000001 [ 1341.801000][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.801054][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.801087][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.801116][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.801142][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.801170][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.801212][ T32] r4:84e5a340 [ 1341.801238][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.801267][ T32] INFO: task kworker/0:401:5550 blocked for more than 468 seconds. [ 1341.801300][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.801324][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.801344][ T32] task:kworker/0:401 state:D stack:0 pid:5550 tgid:5550 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.801399][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.801486][ T32] Call trace: [ 1341.801522][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.801574][ T32] r10:8291880c r9:ec4a9d84 r8:00000002 r7:60000113 r6:ec4a9d8c r5:856ee000 [ 1341.801636][ T32] r4:856ee000 [ 1341.801680][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.801744][ T32] r5:856ee000 r4:82918808 [ 1341.801767][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.801804][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.801855][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec4a9e08 [ 1341.801880][ T32] r4:00000000 [ 1341.801898][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.801933][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.801969][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.802010][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857bd500 [ 1341.802057][ T32] r4:00000000 [ 1341.802081][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.802124][ T32] r9:83018005 r8:856ee000 r7:00000000 r6:83018000 r5:00001000 r4:7f08b000 [ 1341.802145][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.802288][ T32] r5:00001000 r4:eba89000 [ 1341.802363][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.802453][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.802518][ T32] r5:8571538c r4:85715000 [ 1341.802542][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.802586][ T32] r7:dddced80 r6:83018000 r5:8571538c r4:85688300 [ 1341.802606][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.802670][ T32] r10:61c88647 r9:856ee000 r8:8568832c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.802716][ T32] r4:85688300 [ 1341.802754][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.802800][ T32] r10:00000000 r9:85688300 r8:8027f5e8 r7:ec439e60 r6:85671c80 r5:856ee000 [ 1341.802822][ T32] r4:00000001 [ 1341.802841][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.802897][ T32] Exception stack(0xec4a9fb0 to 0xec4a9ff8) [ 1341.802934][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.802969][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.803016][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.803051][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.803073][ T32] r4:857be000 [ 1341.803526][ T32] INFO: task kworker/0:401:5550 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.803559][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.803658][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.803706][ T32] Call trace: [ 1341.803756][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.803807][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.803831][ T32] r4:00000000 [ 1341.803849][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.803886][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.803913][ T32] 9d20: dd6c0000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.803946][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.803973][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.803996][ T32] r5:80070013 r4:80239bb0 [ 1341.804014][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.804065][ T32] r4:82ac11a4 [ 1341.804085][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.804130][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.804172][ T32] r4:e47b9dc0 [ 1341.804208][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.804253][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.804315][ T32] r4:00000000 [ 1341.804338][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.804383][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.804405][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.804465][ T32] r5:00001000 r4:ece91000 [ 1341.804488][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.804527][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.804619][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.804647][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.804717][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.804763][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.804835][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.804903][ T32] r4:8454d780 [ 1341.804925][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.804990][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.805036][ T32] r4:00000001 [ 1341.805068][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.805128][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.805183][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.805215][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.805242][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.805290][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.805316][ T32] r4:84e5a340 [ 1341.805368][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.805397][ T32] INFO: task kworker/1:806:5551 blocked for more than 468 seconds. [ 1341.805424][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.805448][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.805490][ T32] task:kworker/1:806 state:D stack:0 pid:5551 tgid:5551 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.805538][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.805608][ T32] Call trace: [ 1341.805639][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.805696][ T32] r10:8291880c r9:ec4bdd84 r8:00000002 r7:60000013 r6:ec4bdd8c r5:856ea400 [ 1341.805722][ T32] r4:856ea400 [ 1341.805763][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.805809][ T32] r5:856ea400 r4:82918808 [ 1341.805829][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.805886][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.805951][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec4bde08 [ 1341.805979][ T32] r4:00000000 [ 1341.806018][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.806065][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.806104][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.806177][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8568de40 [ 1341.806225][ T32] r4:00000000 [ 1341.806246][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.806310][ T32] r9:83018205 r8:856ea400 r7:00000000 r6:83018200 r5:00001000 r4:7f07d000 [ 1341.806334][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.806375][ T32] r5:00001000 r4:eb9b3000 [ 1341.806394][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.806455][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.806507][ T32] r5:8575438c r4:85754000 [ 1341.806529][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.806574][ T32] r7:ddde2d80 r6:83018200 r5:8575438c r4:85671d00 [ 1341.806614][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.806685][ T32] r10:61c88647 r9:856ea400 r8:85671d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.806734][ T32] r4:85671d00 [ 1341.806794][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.806840][ T32] r10:00000000 r9:85671d00 r8:8027f5e8 r7:ec4b5e60 r6:85671d80 r5:856ea400 [ 1341.806863][ T32] r4:00000001 [ 1341.806882][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.806926][ T32] Exception stack(0xec4bdfb0 to 0xec4bdff8) [ 1341.806966][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.807017][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.807053][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.807082][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.807103][ T32] r4:8568de00 [ 1341.807388][ T32] INFO: task kworker/1:806:5551 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.807421][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.807474][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.807516][ T32] Call trace: [ 1341.807558][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.807608][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.807631][ T32] r4:00000000 [ 1341.807670][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.807711][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.807759][ T32] 9d20: dd6c0000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.807790][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.807835][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.807913][ T32] r5:80070013 r4:80239bb0 [ 1341.807957][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.808029][ T32] r4:82ac11a4 [ 1341.808050][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.808096][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.808117][ T32] r4:e47b9dc0 [ 1341.808136][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.808177][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.808216][ T32] r4:00000000 [ 1341.808240][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.808285][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.808316][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.808362][ T32] r5:00001000 r4:ece91000 [ 1341.808383][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.808422][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.808462][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.808482][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.808548][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.808574][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.808620][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.808663][ T32] r4:8454d780 [ 1341.808685][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.808750][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.808775][ T32] r4:00000001 [ 1341.808796][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.808852][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.808902][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.808932][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.808979][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.809009][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.809056][ T32] r4:84e5a340 [ 1341.809079][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.809104][ T32] INFO: task kworker/1:807:5553 blocked for more than 468 seconds. [ 1341.809130][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.809153][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.809195][ T32] task:kworker/1:807 state:D stack:0 pid:5553 tgid:5553 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.809265][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.809309][ T32] Call trace: [ 1341.809382][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.809433][ T32] r10:8291880c r9:ec4c1d84 r8:00000002 r7:60000113 r6:ec4c1d8c r5:856e8000 [ 1341.809456][ T32] r4:856e8000 [ 1341.809496][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.809538][ T32] r5:856e8000 r4:82918808 [ 1341.809558][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.809592][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.809632][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec4c1e08 [ 1341.809653][ T32] r4:00000000 [ 1341.809694][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.829401][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.829542][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.829620][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d4b900 [ 1341.829649][ T32] r4:00000000 [ 1341.829670][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.829718][ T32] r9:83018205 r8:856e8000 r7:00000000 r6:83018200 r5:00001000 r4:7f07f000 [ 1341.830296][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.830366][ T32] r5:00001000 r4:eb9d1000 [ 1341.830390][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.830430][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.830471][ T32] r5:8575478c r4:85754400 [ 1341.830492][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.830538][ T32] r7:ddde2d80 r6:83018200 r5:8575478c r4:85671e00 [ 1341.830561][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.830629][ T32] r10:61c88647 r9:856e8000 r8:85671e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.830656][ T32] r4:85671e00 [ 1341.830676][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.830720][ T32] r10:00000000 r9:85671e00 r8:8027f5e8 r7:ec4b5e60 r6:85671e80 r5:856e8000 [ 1341.830763][ T32] r4:00000001 [ 1341.830805][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.830846][ T32] Exception stack(0xec4c1fb0 to 0xec4c1ff8) [ 1341.830885][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.830916][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.830944][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.830992][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.831018][ T32] r4:8568dfc0 [ 1341.831464][ T32] INFO: task kworker/1:807:5553 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.831500][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.831572][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.831654][ T32] Call trace: [ 1341.831711][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.831761][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.831785][ T32] r4:00000000 [ 1341.831815][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.831857][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.831892][ T32] 9d20: ddb27000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.831923][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.831948][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.831992][ T32] r5:80070013 r4:80239bb0 [ 1341.832036][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.832107][ T32] r4:82ac11a4 [ 1341.832161][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.832214][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.832236][ T32] r4:e47b9dc0 [ 1341.832256][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.832320][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.832346][ T32] r4:00000000 [ 1341.832366][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.832411][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.832454][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.832499][ T32] r5:00001000 r4:ece91000 [ 1341.832540][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.832615][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.832700][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.832723][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.832790][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.832835][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.832884][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.832906][ T32] r4:8454d780 [ 1341.832924][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.832965][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.832986][ T32] r4:00000001 [ 1341.833004][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.833044][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.833070][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.833097][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.833122][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.833172][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.833197][ T32] r4:84e5a340 [ 1341.833218][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.833246][ T32] INFO: task kworker/1:808:5556 blocked for more than 468 seconds. [ 1341.833278][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.833328][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.833381][ T32] task:kworker/1:808 state:D stack:0 pid:5556 tgid:5556 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.833438][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.833480][ T32] Call trace: [ 1341.833529][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.833579][ T32] r10:8291880c r9:ec4c5d84 r8:00000002 r7:60000013 r6:ec4c5d8c r5:856e3000 [ 1341.833602][ T32] r4:856e3000 [ 1341.833642][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.833725][ T32] r5:856e3000 r4:82918808 [ 1341.833769][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.833808][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.833851][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec4c5e08 [ 1341.833872][ T32] r4:00000000 [ 1341.833890][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.833945][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.833984][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.834031][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857be080 [ 1341.834053][ T32] r4:00000000 [ 1341.834073][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.834116][ T32] r9:83018205 r8:856e3000 r7:00000000 r6:83018200 r5:00001000 r4:7f081000 [ 1341.834137][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.834223][ T32] r5:00001000 r4:eb9fd000 [ 1341.834340][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.834382][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.834423][ T32] r5:85754b8c r4:85754800 [ 1341.834443][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.834485][ T32] r7:ddde2d80 r6:83018200 r5:85754b8c r4:85671f00 [ 1341.834504][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.834547][ T32] r10:61c88647 r9:856e3000 r8:85671f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.834589][ T32] r4:85671f00 [ 1341.834634][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.834688][ T32] r10:00000000 r9:85671f00 r8:8027f5e8 r7:ec4b5e60 r6:85671f80 r5:856e3000 [ 1341.834722][ T32] r4:00000001 [ 1341.834764][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.834824][ T32] Exception stack(0xec4c5fb0 to 0xec4c5ff8) [ 1341.834853][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.834882][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.834908][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.834935][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.834957][ T32] r4:857be140 [ 1341.835257][ T32] INFO: task kworker/1:808:5556 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.835293][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.835350][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.835392][ T32] Call trace: [ 1341.835422][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.835468][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.835511][ T32] r4:00000000 [ 1341.835549][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.835589][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.835617][ T32] 9d20: ddb27000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.835645][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.835707][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.835743][ T32] r5:80070013 r4:80239bb0 [ 1341.835766][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.835810][ T32] r4:82ac11a4 [ 1341.835830][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.835876][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.835898][ T32] r4:e47b9dc0 [ 1341.835917][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.835968][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.835993][ T32] r4:00000000 [ 1341.836012][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.836061][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.836082][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.836136][ T32] r5:00001000 r4:ece91000 [ 1341.836159][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.836207][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.836252][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.836271][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.836315][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.836344][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.836393][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.836415][ T32] r4:8454d780 [ 1341.836433][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.836474][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.836496][ T32] r4:00000001 [ 1341.836545][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.836584][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.836610][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.836638][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.836674][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.836705][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.836727][ T32] r4:84e5a340 [ 1341.836766][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.836840][ T32] INFO: task kworker/1:809:5557 blocked for more than 468 seconds. [ 1341.836871][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.836894][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.836915][ T32] task:kworker/1:809 state:D stack:0 pid:5557 tgid:5557 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.836958][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.837056][ T32] Call trace: [ 1341.837091][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.837138][ T32] r10:8291880c r9:ec4c9d84 r8:00000002 r7:60000113 r6:ec4c9d8c r5:856f0000 [ 1341.837160][ T32] r4:856f0000 [ 1341.837207][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.837255][ T32] r5:856f0000 r4:82918808 [ 1341.837275][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.837310][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.837371][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec4c9e08 [ 1341.837396][ T32] r4:00000000 [ 1341.837436][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.837474][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.837528][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.837595][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857be540 [ 1341.837660][ T32] r4:00000000 [ 1341.837683][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.837727][ T32] r9:83018205 r8:856f0000 r7:00000000 r6:83018200 r5:00001000 r4:7f083000 [ 1341.837761][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.837804][ T32] r5:00001000 r4:eba17000 [ 1341.837824][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.837861][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.837921][ T32] r5:85754f8c r4:85754c00 [ 1341.837943][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.837985][ T32] r7:ddde2d80 r6:83018200 r5:85754f8c r4:857b9000 [ 1341.838006][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.838056][ T32] r10:61c88647 r9:856f0000 r8:857b902c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.838078][ T32] r4:857b9000 [ 1341.838097][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.838138][ T32] r10:00000000 r9:857b9000 r8:8027f5e8 r7:ec4b5e60 r6:857b9080 r5:856f0000 [ 1341.838159][ T32] r4:00000001 [ 1341.838217][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.838259][ T32] Exception stack(0xec4c9fb0 to 0xec4c9ff8) [ 1341.838320][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.838351][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.838378][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.838425][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.838451][ T32] r4:857be140 [ 1341.838750][ T32] INFO: task kworker/1:809:5557 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.838783][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.838872][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.838940][ T32] Call trace: [ 1341.838974][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.839021][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.839049][ T32] r4:00000000 [ 1341.839088][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.839128][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.839195][ T32] 9d20: ddb27000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.839227][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.839253][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.839296][ T32] r5:80070013 r4:80239bb0 [ 1341.839319][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.839362][ T32] r4:82ac11a4 [ 1341.839421][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.839490][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.839515][ T32] r4:e47b9dc0 [ 1341.839535][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.839577][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.839598][ T32] r4:00000000 [ 1341.839618][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.839662][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.839703][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.872264][ T32] r5:00001000 r4:ece91000 [ 1341.872335][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.872399][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.872443][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.872484][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.872566][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.872591][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.872637][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.872659][ T32] r4:8454d780 [ 1341.872687][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.872760][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.872787][ T32] r4:00000001 [ 1341.872827][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.872868][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.872898][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.872945][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.872975][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.873024][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.873075][ T32] r4:84e5a340 [ 1341.873106][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.873143][ T32] INFO: task kworker/1:810:5560 blocked for more than 468 seconds. [ 1341.873176][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.873201][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.873223][ T32] task:kworker/1:810 state:D stack:0 pid:5560 tgid:5560 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.873299][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.873375][ T32] Call trace: [ 1341.873440][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.873516][ T32] r10:8291880c r9:ec4b9d84 r8:00000002 r7:60000113 r6:ec4b9d8c r5:856f0c00 [ 1341.873544][ T32] r4:856f0c00 [ 1341.873563][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.873642][ T32] r5:856f0c00 r4:82918808 [ 1341.873666][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.873724][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.873777][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec4b9e08 [ 1341.873799][ T32] r4:00000000 [ 1341.873843][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.873890][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.873944][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.873999][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857be640 [ 1341.874023][ T32] r4:00000000 [ 1341.874056][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.874105][ T32] r9:83018205 r8:856f0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f085000 [ 1341.874127][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.874166][ T32] r5:00001000 r4:eba2d000 [ 1341.874185][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.874273][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.874318][ T32] r5:8575538c r4:85755000 [ 1341.874337][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.874379][ T32] r7:ddde2d80 r6:83018200 r5:8575538c r4:857b9100 [ 1341.874399][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.874464][ T32] r10:61c88647 r9:856f0c00 r8:857b912c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.874510][ T32] r4:857b9100 [ 1341.874531][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.874588][ T32] r10:00000000 r9:857b9100 r8:8027f5e8 r7:ec4b5e60 r6:857b9180 r5:856f0c00 [ 1341.874633][ T32] r4:00000001 [ 1341.874654][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.874699][ T32] Exception stack(0xec4b9fb0 to 0xec4b9ff8) [ 1341.874749][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.874786][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.874812][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.874848][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.874874][ T32] r4:857be440 [ 1341.875365][ T32] INFO: task kworker/1:810:5560 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.875422][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.875505][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.875559][ T32] Call trace: [ 1341.875625][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.875693][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.875720][ T32] r4:00000000 [ 1341.875761][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.875824][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.875876][ T32] 9d20: de694000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.875909][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.875934][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.875970][ T32] r5:80070013 r4:80239bb0 [ 1341.875994][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.876045][ T32] r4:82ac11a4 [ 1341.876065][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.876133][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.876159][ T32] r4:e47b9dc0 [ 1341.876200][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.876272][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.876306][ T32] r4:00000000 [ 1341.876327][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.876372][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.876394][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.876434][ T32] r5:00001000 r4:ece91000 [ 1341.876453][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.876490][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.876554][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.876599][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.876666][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.876690][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.876735][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.876757][ T32] r4:8454d780 [ 1341.876775][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.876817][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.876840][ T32] r4:00000001 [ 1341.876858][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.876892][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.876928][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.876971][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.877000][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.877035][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.877069][ T32] r4:84e5a340 [ 1341.877091][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.877116][ T32] INFO: task kworker/1:811:5561 blocked for more than 468 seconds. [ 1341.877143][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.877179][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.877203][ T32] task:kworker/1:811 state:D stack:0 pid:5561 tgid:5561 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.877256][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.877313][ T32] Call trace: [ 1341.877343][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.877423][ T32] r10:8291880c r9:ec4cdd84 r8:00000002 r7:60000113 r6:ec4cdd8c r5:856f1800 [ 1341.877449][ T32] r4:856f1800 [ 1341.877471][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.877531][ T32] r5:856f1800 r4:82918808 [ 1341.877554][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.877590][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.877631][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec4cde08 [ 1341.877653][ T32] r4:00000000 [ 1341.877671][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.877717][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.877756][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.877798][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857be800 [ 1341.877839][ T32] r4:00000000 [ 1341.877864][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.877907][ T32] r9:83018205 r8:856f1800 r7:00000000 r6:83018200 r5:00001000 r4:7f087000 [ 1341.877956][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.878000][ T32] r5:00001000 r4:eba41000 [ 1341.878020][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.878063][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.878102][ T32] r5:8575578c r4:85755400 [ 1341.878121][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.878164][ T32] r7:ddde2d80 r6:83018200 r5:8575578c r4:857b9200 [ 1341.878183][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.878247][ T32] r10:61c88647 r9:856f1800 r8:857b922c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.878329][ T32] r4:857b9200 [ 1341.878353][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.878397][ T32] r10:00000000 r9:857b9200 r8:8027f5e8 r7:ec4b5e60 r6:857b9280 r5:856f1800 [ 1341.878418][ T32] r4:00000001 [ 1341.878476][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.878516][ T32] Exception stack(0xec4cdfb0 to 0xec4cdff8) [ 1341.878542][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.878570][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.878595][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.878622][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.878664][ T32] r4:857be440 [ 1341.878929][ T32] INFO: task kworker/1:811:5561 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.878972][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.879060][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.879103][ T32] Call trace: [ 1341.879157][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.879204][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.879266][ T32] r4:00000000 [ 1341.879289][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.879327][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.879354][ T32] 9d20: de694000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.879382][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.879426][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.879453][ T32] r5:80070013 r4:80239bb0 [ 1341.879473][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.879516][ T32] r4:82ac11a4 [ 1341.879535][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.879640][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.879665][ T32] r4:e47b9dc0 [ 1341.879685][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.879764][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.889008][ T32] r4:00000000 [ 1341.889056][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.889120][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.889143][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.889187][ T32] r5:00001000 r4:ece91000 [ 1341.889222][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.889267][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.889334][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.889358][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.889405][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.889435][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.889484][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.889506][ T32] r4:8454d780 [ 1341.889525][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.889578][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.889611][ T32] r4:00000001 [ 1341.889637][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.889698][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.889730][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.900030][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.900111][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.900148][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.900193][ T32] r4:84e5a340 [ 1341.900241][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.900272][ T32] INFO: task kworker/1:812:5564 blocked for more than 468 seconds. [ 1341.900305][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.900329][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.900350][ T32] task:kworker/1:812 state:D stack:0 pid:5564 tgid:5564 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.900403][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.900488][ T32] Call trace: [ 1341.900525][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.900580][ T32] r10:8291880c r9:ec4d5d84 r8:00000002 r7:60000113 r6:ec4d5d8c r5:856f3000 [ 1341.900621][ T32] r4:856f3000 [ 1341.900644][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.900684][ T32] r5:856f3000 r4:82918808 [ 1341.900703][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.900761][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.900832][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec4d5e08 [ 1341.900857][ T32] r4:00000000 [ 1341.900897][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.900946][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.900991][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.901055][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857beec0 [ 1341.901084][ T32] r4:00000000 [ 1341.901126][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.901176][ T32] r9:83018205 r8:856f3000 r7:00000000 r6:83018200 r5:00001000 r4:7f091000 [ 1341.901198][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.901280][ T32] r5:00001000 r4:ebaef000 [ 1341.901307][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.901356][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.901400][ T32] r5:8575678c r4:85756400 [ 1341.901421][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.901466][ T32] r7:ddde2d80 r6:83018200 r5:8575678c r4:857b9300 [ 1341.901486][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.901530][ T32] r10:61c88647 r9:856f3000 r8:857b932c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.901571][ T32] r4:857b9300 [ 1341.901594][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.901639][ T32] r10:00000000 r9:857b9300 r8:8027f5e8 r7:ec4b5e60 r6:857b9380 r5:856f3000 [ 1341.901661][ T32] r4:00000001 [ 1341.901701][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.901776][ T32] Exception stack(0xec4d5fb0 to 0xec4d5ff8) [ 1341.901806][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1341.901834][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.901861][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.901902][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.901927][ T32] r4:857be7c0 [ 1341.902379][ T32] INFO: task kworker/1:812:5564 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.902413][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.902489][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.902567][ T32] Call trace: [ 1341.902647][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.902712][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.902738][ T32] r4:00000000 [ 1341.902758][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.902794][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.902863][ T32] 9d20: decd2000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.902895][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.902921][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.902944][ T32] r5:80070013 r4:80239bb0 [ 1341.902983][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.903039][ T32] r4:82ac11a4 [ 1341.903062][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.903132][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.903166][ T32] r4:e47b9dc0 [ 1341.903188][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.903262][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.903291][ T32] r4:00000000 [ 1341.903312][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.903358][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.903380][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.903421][ T32] r5:00001000 r4:ece91000 [ 1341.903446][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.903506][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.903572][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.903596][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.903690][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.903715][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.903761][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.903785][ T32] r4:8454d780 [ 1341.903804][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.903847][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.903869][ T32] r4:00000001 [ 1341.903887][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.903943][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.903976][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.904035][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.904066][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.904095][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.904117][ T32] r4:84e5a340 [ 1341.904136][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.904162][ T32] INFO: task kworker/1:813:5566 blocked for more than 468 seconds. [ 1341.904209][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.904235][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.904257][ T32] task:kworker/1:813 state:D stack:0 pid:5566 tgid:5566 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.904299][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.904339][ T32] Call trace: [ 1341.904384][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.904454][ T32] r10:8291880c r9:ec4ddd84 r8:00000002 r7:60000113 r6:ec4ddd8c r5:856f2400 [ 1341.904506][ T32] r4:856f2400 [ 1341.904552][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.904594][ T32] r5:856f2400 r4:82918808 [ 1341.904616][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.904651][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.904691][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec4dde08 [ 1341.904732][ T32] r4:00000000 [ 1341.904755][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.904809][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.904855][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.904898][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857becc0 [ 1341.904941][ T32] r4:00000000 [ 1341.904964][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.905007][ T32] r9:83018205 r8:856f2400 r7:00000000 r6:83018200 r5:00001000 r4:7f08d000 [ 1341.905058][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.905124][ T32] r5:00001000 r4:ebaa9000 [ 1341.905152][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.905211][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.905255][ T32] r5:85755f8c r4:85755c00 [ 1341.905274][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.905329][ T32] r7:ddde2d80 r6:83018200 r5:85755f8c r4:857b9400 [ 1341.905352][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.905397][ T32] r10:61c88647 r9:856f2400 r8:857b942c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.905418][ T32] r4:857b9400 [ 1341.905436][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.905479][ T32] r10:00000000 r9:857b9400 r8:8027f5e8 r7:ec4d5e60 r6:857b9480 r5:856f2400 [ 1341.905523][ T32] r4:00000001 [ 1341.905548][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.905607][ T32] Exception stack(0xec4ddfb0 to 0xec4ddff8) [ 1341.905654][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.905690][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.905740][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.905773][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.905796][ T32] r4:857be680 [ 1341.906073][ T32] INFO: task kworker/1:813:5566 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.906125][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.906278][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.906327][ T32] Call trace: [ 1341.906378][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.906430][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.906453][ T32] r4:00000000 [ 1341.906502][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.906543][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.906587][ T32] 9d20: decd2000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.906638][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.906693][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.906720][ T32] r5:80070013 r4:80239bb0 [ 1341.906740][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.906785][ T32] r4:82ac11a4 [ 1341.906805][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.906851][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.906872][ T32] r4:e47b9dc0 [ 1341.906890][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.906932][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.906954][ T32] r4:00000000 [ 1341.906972][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.907015][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.907054][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.907100][ T32] r5:00001000 r4:ece91000 [ 1341.907120][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.907157][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.907198][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.907237][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.907298][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.907322][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.907384][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.907410][ T32] r4:8454d780 [ 1341.907474][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.907520][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.907542][ T32] r4:00000001 [ 1341.907560][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.907616][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.907653][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.907685][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.907712][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.907739][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.907762][ T32] r4:84e5a340 [ 1341.907790][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.907841][ T32] INFO: task kworker/1:814:5568 blocked for more than 468 seconds. [ 1341.907873][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.907895][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.907935][ T32] task:kworker/1:814 state:D stack:0 pid:5568 tgid:5568 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.908004][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.908082][ T32] Call trace: [ 1341.908138][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.908187][ T32] r10:8291880c r9:ec4f9d84 r8:00000002 r7:60000113 r6:ec4f9d8c r5:84f16c00 [ 1341.908229][ T32] r4:84f16c00 [ 1341.908260][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.908308][ T32] r5:84f16c00 r4:82918808 [ 1341.908331][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.908368][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.908410][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec4f9e08 [ 1341.908431][ T32] r4:00000000 [ 1341.908449][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.908483][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.908518][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.908583][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857bed00 [ 1341.908609][ T32] r4:00000000 [ 1341.908641][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.908687][ T32] r9:83018205 r8:84f16c00 r7:00000000 r6:83018200 r5:00001000 r4:7f08f000 [ 1341.908709][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.908747][ T32] r5:00001000 r4:ebac9000 [ 1341.908766][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.908803][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.908880][ T32] r5:8575638c r4:85756000 [ 1341.908903][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.908947][ T32] r7:ddde2d80 r6:83018200 r5:8575638c r4:857b9500 [ 1341.908988][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.909073][ T32] r10:61c88647 r9:84f16c00 r8:857b952c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.909099][ T32] r4:857b9500 [ 1341.909119][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.909161][ T32] r10:00000000 r9:857b9500 r8:8027f5e8 r7:ec4d5e60 r6:85688380 r5:84f16c00 [ 1341.909183][ T32] r4:00000001 [ 1341.909223][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.909263][ T32] Exception stack(0xec4f9fb0 to 0xec4f9ff8) [ 1341.909289][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.909337][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.909388][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.909440][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.909466][ T32] r4:857bec40 [ 1341.909788][ T32] INFO: task kworker/1:814:5568 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.932394][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.932522][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.932585][ T32] Call trace: [ 1341.932647][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.932704][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.932727][ T32] r4:00000000 [ 1341.932747][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.932785][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.932832][ T32] 9d20: deed4000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.932864][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.932890][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.932913][ T32] r5:80070013 r4:80239bb0 [ 1341.932940][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.932990][ T32] r4:82ac11a4 [ 1341.933010][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.933062][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.933084][ T32] r4:e47b9dc0 [ 1341.933103][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.933165][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.933190][ T32] r4:00000000 [ 1341.933230][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.933278][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.933301][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.933356][ T32] r5:00001000 r4:ece91000 [ 1341.933379][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.933417][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.933472][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.933504][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.933553][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.933574][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.933618][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.933640][ T32] r4:8454d780 [ 1341.933681][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.933729][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.933772][ T32] r4:00000001 [ 1341.933795][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.933830][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.933856][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.933883][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.933929][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.933960][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.934002][ T32] r4:84e5a340 [ 1341.934052][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.934085][ T32] INFO: task kworker/0:402:5570 blocked for more than 468 seconds. [ 1341.934118][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.934143][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.934184][ T32] task:kworker/0:402 state:D stack:0 pid:5570 tgid:5570 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.934254][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.934343][ T32] Call trace: [ 1341.934378][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.934425][ T32] r10:8291880c r9:ec501d84 r8:00000002 r7:60000113 r6:ec501d8c r5:84f14800 [ 1341.934447][ T32] r4:84f14800 [ 1341.934466][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.934504][ T32] r5:84f14800 r4:82918808 [ 1341.934523][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.934558][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.934598][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec501e08 [ 1341.934620][ T32] r4:00000000 [ 1341.934652][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.934690][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.934726][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.934768][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857bddc0 [ 1341.934790][ T32] r4:00000000 [ 1341.934828][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.934874][ T32] r9:83018005 r8:84f14800 r7:00000000 r6:83018000 r5:00001000 r4:7f041000 [ 1341.934895][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.934954][ T32] r5:00001000 r4:eb1bd000 [ 1341.934980][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.935020][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.935068][ T32] r5:85715f8c r4:85715c00 [ 1341.935086][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.935148][ T32] r7:dddced80 r6:83018000 r5:85715f8c r4:85688400 [ 1341.935171][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.935216][ T32] r10:61c88647 r9:84f14800 r8:8568842c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1341.935237][ T32] r4:85688400 [ 1341.935255][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.935299][ T32] r10:00000000 r9:85688400 r8:8027f5e8 r7:ec439e60 r6:85688480 r5:84f14800 [ 1341.935340][ T32] r4:00000001 [ 1341.935382][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.935426][ T32] Exception stack(0xec501fb0 to 0xec501ff8) [ 1341.935454][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.935483][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.935509][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.935537][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.935591][ T32] r4:857bd640 [ 1341.936076][ T32] INFO: task kworker/0:402:5570 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.936167][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.936259][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.936303][ T32] Call trace: [ 1341.936360][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.936409][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.936433][ T32] r4:00000000 [ 1341.936453][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.936489][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.936517][ T32] 9d20: deed4000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.936565][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.936595][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.936619][ T32] r5:80070013 r4:80239bb0 [ 1341.936647][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.936694][ T32] r4:82ac11a4 [ 1341.936742][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.936792][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.936823][ T32] r4:e47b9dc0 [ 1341.936846][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.936889][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.936931][ T32] r4:00000000 [ 1341.936954][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.937000][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.937021][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.937070][ T32] r5:00001000 r4:ece91000 [ 1341.937090][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.937127][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.937167][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.937186][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.937230][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.937250][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.937295][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.937316][ T32] r4:8454d780 [ 1341.937335][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.937395][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.937421][ T32] r4:00000001 [ 1341.937461][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.937499][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.937525][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.937553][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.937613][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.937644][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.937668][ T32] r4:84e5a340 [ 1341.937687][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.937712][ T32] INFO: task kworker/1:815:5573 blocked for more than 468 seconds. [ 1341.937739][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.937780][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.937806][ T32] task:kworker/1:815 state:D stack:0 pid:5573 tgid:5573 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.937895][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.937938][ T32] Call trace: [ 1341.937967][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.938014][ T32] r10:8291880c r9:ec50dd84 r8:00000002 r7:60000113 r6:ec50dd8c r5:856e5400 [ 1341.938067][ T32] r4:856e5400 [ 1341.938097][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.938159][ T32] r5:856e5400 r4:82918808 [ 1341.938182][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.938239][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.938281][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec50de08 [ 1341.938303][ T32] r4:00000000 [ 1341.938321][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.938354][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.938389][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.938431][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857be980 [ 1341.938452][ T32] r4:00000000 [ 1341.938494][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.938562][ T32] r9:83018205 r8:856e5400 r7:00000000 r6:83018200 r5:00001000 r4:7f093000 [ 1341.938607][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.938652][ T32] r5:00001000 r4:ebafd000 [ 1341.938671][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.938709][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.938748][ T32] r5:85756b8c r4:85756800 [ 1341.938767][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.938820][ T32] r7:ddde2d80 r6:83018200 r5:85756b8c r4:857b9580 [ 1341.938863][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.938912][ T32] r10:61c88647 r9:856e5400 r8:857b95ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.938954][ T32] r4:857b9580 [ 1341.938976][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.939058][ T32] r10:00000000 r9:857b9580 r8:8027f5e8 r7:ec4d5e60 r6:85688500 r5:856e5400 [ 1341.939105][ T32] r4:00000001 [ 1341.939128][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.939186][ T32] Exception stack(0xec50dfb0 to 0xec50dff8) [ 1341.939235][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.939288][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.939318][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.939367][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.939398][ T32] r4:857bed40 [ 1341.939758][ T32] INFO: task kworker/1:815:5573 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.958130][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.958272][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.958358][ T32] Call trace: [ 1341.958400][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.958457][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.958497][ T32] r4:00000000 [ 1341.958522][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.958571][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.958604][ T32] 9d20: df41a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.958642][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.958671][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.958695][ T32] r5:80070013 r4:80239bb0 [ 1341.958715][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.958761][ T32] r4:82ac11a4 [ 1341.958781][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.958826][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.958848][ T32] r4:e47b9dc0 [ 1341.958866][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.958908][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.958930][ T32] r4:00000000 [ 1341.958979][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.959053][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.959081][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.959146][ T32] r5:00001000 r4:ece91000 [ 1341.959177][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.959219][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.959282][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.959307][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.959354][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.959376][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.959430][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.959455][ T32] r4:8454d780 [ 1341.959496][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.959549][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.959591][ T32] r4:00000001 [ 1341.959614][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.959651][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.959689][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.959780][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.963913][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.963975][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.964005][ T32] r4:84e5a340 [ 1341.964059][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.964098][ T32] INFO: task kworker/1:816:5574 blocked for more than 468 seconds. [ 1341.964173][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.964214][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.964267][ T32] task:kworker/1:816 state:D stack:0 pid:5574 tgid:5574 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.964326][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.964398][ T32] Call trace: [ 1341.964436][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.964490][ T32] r10:8291880c r9:ec511d84 r8:00000002 r7:60000113 r6:ec511d8c r5:84f16000 [ 1341.964513][ T32] r4:84f16000 [ 1341.964532][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.964571][ T32] r5:84f16000 r4:82918808 [ 1341.964590][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.964625][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.964667][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec511e08 [ 1341.964689][ T32] r4:00000000 [ 1341.964707][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.964742][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.964781][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.964823][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85674c40 [ 1341.964845][ T32] r4:00000000 [ 1341.964864][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.964908][ T32] r9:83018205 r8:84f16000 r7:00000000 r6:83018200 r5:00001000 r4:7f095000 [ 1341.964929][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.964969][ T32] r5:00001000 r4:ec493000 [ 1341.964988][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.965033][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.965097][ T32] r5:85756f8c r4:85756c00 [ 1341.965121][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.965169][ T32] r7:ddde2d80 r6:83018200 r5:85756f8c r4:857b9600 [ 1341.965210][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.965306][ T32] r10:61c88647 r9:84f16000 r8:857b962c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.965358][ T32] r4:857b9600 [ 1341.965385][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.965430][ T32] r10:00000000 r9:857b9600 r8:8027f5e8 r7:ec50de60 r6:85688580 r5:84f16000 [ 1341.965452][ T32] r4:00000001 [ 1341.965470][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.965506][ T32] Exception stack(0xec511fb0 to 0xec511ff8) [ 1341.965533][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1341.965571][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.965601][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.965630][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.965652][ T32] r4:857bed40 [ 1341.966179][ T32] INFO: task kworker/1:816:5574 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.966261][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.966326][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.966370][ T32] Call trace: [ 1341.966399][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.966466][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1341.966493][ T32] r4:00000000 [ 1341.966513][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1341.966549][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1341.966577][ T32] 9d20: df41a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1341.966604][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1341.966648][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1341.966675][ T32] r5:80070013 r4:80239bb0 [ 1341.966696][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1341.966740][ T32] r4:82ac11a4 [ 1341.966759][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1341.966806][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1341.966827][ T32] r4:e47b9dc0 [ 1341.966866][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.966912][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1341.966943][ T32] r4:00000000 [ 1341.966977][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.967024][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1341.967051][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.967092][ T32] r5:00001000 r4:ece91000 [ 1341.967111][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.967149][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.967189][ T32] r5:85a7af8c r4:85a7ac00 [ 1341.967208][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.967252][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1341.967272][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.967336][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.967383][ T32] r4:8454d780 [ 1341.967434][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.967493][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1341.967518][ T32] r4:00000001 [ 1341.967586][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.967625][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1341.967651][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.967679][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.967705][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.967732][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.967753][ T32] r4:84e5a340 [ 1341.967772][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1341.967816][ T32] INFO: task kworker/1:817:5576 blocked for more than 468 seconds. [ 1341.967848][ T32] Not tainted 6.15.0-syzkaller #0 [ 1341.967871][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1341.967892][ T32] task:kworker/1:817 state:D stack:0 pid:5576 tgid:5576 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.967935][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.967998][ T32] Call trace: [ 1341.968032][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1341.968080][ T32] r10:8291880c r9:ec519d84 r8:00000002 r7:60000113 r6:ec519d8c r5:85783c00 [ 1341.968122][ T32] r4:85783c00 [ 1341.968146][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.968185][ T32] r5:85783c00 r4:82918808 [ 1341.968204][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.968264][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.968310][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec519e08 [ 1341.968331][ T32] r4:00000000 [ 1341.968350][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.968383][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.968439][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.968498][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857bc040 [ 1341.968523][ T32] r4:00000000 [ 1341.968542][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.968586][ T32] r9:83018205 r8:85783c00 r7:00000000 r6:83018200 r5:00001000 r4:7f097000 [ 1341.968607][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.968676][ T32] r5:00001000 r4:ec4f5000 [ 1341.968702][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.968761][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.968806][ T32] r5:8575738c r4:85757000 [ 1341.968847][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.968897][ T32] r7:ddde2d80 r6:83018200 r5:8575738c r4:857b9680 [ 1341.968917][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.968982][ T32] r10:61c88647 r9:85783c00 r8:857b96ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.969007][ T32] r4:857b9680 [ 1341.969031][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.969102][ T32] r10:00000000 r9:857b9680 r8:8027f5e8 r7:ec511e60 r6:85688600 r5:85783c00 [ 1341.969136][ T32] r4:00000001 [ 1341.969159][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.969195][ T32] Exception stack(0xec519fb0 to 0xec519ff8) [ 1341.969221][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1341.969248][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.969274][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.969300][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.969329][ T32] r4:857befc0 [ 1341.969654][ T32] INFO: task kworker/1:817:5576 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1341.969688][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1341.985717][ T32] Workqueue: events bpf_prog_free_deferred [ 1341.985877][ T32] Call trace: [ 1341.985914][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1341.985973][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 5 printk messages dropped ** [ 1341.986206][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 9 printk messages dropped ** [ 1341.986627][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 7 printk messages dropped ** [ 1341.987077][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 5 printk messages dropped ** [ 1341.987317][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1341.987573][ T32] r4:84e5a340 ** 2 printk messages dropped ** [ 1341.987700][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1341.988090][ T32] r4:85786000 [ 1341.988130][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1341.988173][ T32] r5:85786000 r4:82918808 [ 1341.988225][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1341.988298][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1341.988345][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec51de08 [ 1341.988368][ T32] r4:00000000 [ 1341.988421][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1341.988486][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1341.988527][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1341.988570][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857bc700 [ 1341.988623][ T32] r4:00000000 [ 1341.988648][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1341.988721][ T32] r9:83018205 r8:85786000 r7:00000000 r6:83018200 r5:00001000 r4:7f0ad000 [ 1341.988814][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1341.988860][ T32] r5:00001000 r4:ec54d000 [ 1341.988912][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1341.988954][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1341.988995][ T32] r5:8575838c r4:85758000 [ 1341.989014][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1341.989084][ T32] r7:ddde2d80 r6:83018200 r5:8575838c r4:857b9700 [ 1341.989137][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1341.989212][ T32] r10:61c88647 r9:85786000 r8:857b972c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1341.989239][ T32] r4:857b9700 [ 1341.989302][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1341.989350][ T32] r10:00000000 r9:857b9700 r8:8027f5e8 r7:ec519e60 r6:85688680 r5:85786000 [ 1341.989395][ T32] r4:00000001 [ 1341.989420][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1341.989486][ T32] Exception stack(0xec51dfb0 to 0xec51dff8) [ 1341.989516][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1341.989544][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1341.989610][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1341.989642][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1341.989696][ T32] r4:857befc0 [ 1342.003147][ T32] INFO: task kworker/1:818:5577 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.003238][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.003344][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.003414][ T32] Call trace: [ 1342.003485][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.003552][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.003577][ T32] r4:00000000 [ 1342.003597][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.003636][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.003665][ T32] 9d20: dff21000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.003714][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.003764][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.003796][ T32] r5:80070013 r4:80239bb0 [ 1342.003816][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.003873][ T32] r4:82ac11a4 [ 1342.003916][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.003968][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.003991][ T32] r4:e47b9dc0 [ 1342.004010][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.004066][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.004089][ T32] r4:00000000 [ 1342.004108][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.004152][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.004174][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.004214][ T32] r5:00001000 r4:ece91000 [ 1342.004234][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.004271][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.004313][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.004333][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.004378][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.004398][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.004442][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.004522][ T32] r4:8454d780 [ 1342.004546][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.004591][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.004614][ T32] r4:00000001 [ 1342.004637][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.004727][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.004756][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.004788][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.004815][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.004881][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.004929][ T32] r4:84e5a340 [ 1342.004954][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.004982][ T32] INFO: task kworker/1:819:5580 blocked for more than 468 seconds. [ 1342.005015][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.005051][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.005074][ T32] task:kworker/1:819 state:D stack:0 pid:5580 tgid:5580 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.005118][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.005157][ T32] Call trace: [ 1342.005186][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.005232][ T32] r10:8291880c r9:ec541d84 r8:00000002 r7:60000013 r6:ec541d8c r5:844f0c00 ** 5 printk messages dropped ** [ 1342.005452][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec541e08 ** 5 printk messages dropped ** [ 1342.005660][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1342.005810][ T32] r5:00001000 r4:ec525000 [ 1342.005832][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1342.006003][ T32] r7:ddde2d80 r6:83018200 r5:8575778c r4:857b9780 ** 7 printk messages dropped ** [ 1342.006369][ T32] Exception stack(0xec541fb0 to 0xec541ff8) ** 3 printk messages dropped ** [ 1342.006513][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1342.007177][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 5 printk messages dropped ** [ 1342.007432][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 8 printk messages dropped ** [ 1342.007772][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1342.008007][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 7 printk messages dropped ** [ 1342.008386][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1342.008725][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1342.008943][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1342.009315][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1342.009706][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1342.031446][ T32] r5:00001000 r4:ec531000 [ 1342.031469][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.031509][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.031550][ T32] r5:85757b8c r4:85757800 [ 1342.031581][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.031632][ T32] r7:ddde2d80 r6:83018200 r5:85757b8c r4:857b9800 [ 1342.031654][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.031729][ T32] r10:61c88647 r9:856f4800 r8:857b982c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.031783][ T32] r4:857b9800 [ 1342.031836][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.031944][ T32] r10:00000000 r9:857b9800 r8:8027f5e8 r7:ec51de60 r6:857b9880 r5:856f4800 [ 1342.031972][ T32] r4:00000001 [ 1342.031992][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.032072][ T32] Exception stack(0xec4d9fb0 to 0xec4d9ff8) [ 1342.032141][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.032209][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.032278][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.032338][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.032364][ T32] r4:857bc100 [ 1342.032850][ T32] INFO: task kworker/1:820:5581 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.032884][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.032991][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.033075][ T32] Call trace: [ 1342.033246][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.033297][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.033321][ T32] r4:00000000 [ 1342.033340][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.033376][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.033403][ T32] 9d20: e0682000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.033431][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.033460][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.033505][ T32] r5:80070013 r4:80239bb0 [ 1342.033529][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.033577][ T32] r4:82ac11a4 [ 1342.033619][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.033691][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.033717][ T32] r4:e47b9dc0 [ 1342.033737][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.033781][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.033802][ T32] r4:00000000 [ 1342.033821][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.033865][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.033886][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.033926][ T32] r5:00001000 r4:ece91000 [ 1342.033945][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.033984][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.034059][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.034085][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.034151][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.034255][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.034328][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.034354][ T32] r4:8454d780 [ 1342.034374][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.034416][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.034438][ T32] r4:00000001 [ 1342.034457][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.034514][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.034546][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.034593][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.034623][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.034652][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.034674][ T32] r4:84e5a340 [ 1342.034694][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.034722][ T32] INFO: task kworker/1:821:5583 blocked for more than 468 seconds. [ 1342.034756][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.034802][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.034871][ T32] task:kworker/1:821 state:D stack:0 pid:5583 tgid:5583 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.034922][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.034985][ T32] Call trace: [ 1342.035020][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.035077][ T32] r10:8291880c r9:ec535d84 r8:00000002 r7:60000113 r6:ec535d8c r5:856f5400 [ 1342.035130][ T32] r4:856f5400 [ 1342.035175][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.035241][ T32] r5:856f5400 r4:82918808 [ 1342.035263][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.035321][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.035390][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec535e08 [ 1342.035416][ T32] r4:00000000 [ 1342.035435][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.035491][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.035545][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.035592][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857bc580 [ 1342.035615][ T32] r4:00000000 [ 1342.035634][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.035719][ T32] r9:83018205 r8:856f5400 r7:00000000 r6:83018200 r5:00001000 r4:7f0ab000 [ 1342.035750][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.035792][ T32] r5:00001000 r4:ec53d000 [ 1342.035824][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.035865][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.035939][ T32] r5:85757f8c r4:85757c00 [ 1342.035966][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1342.036166][ T32] r10:00000000 r9:857b9900 r8:8027f5e8 r7:ec51de60 r6:857b9980 r5:856f5400 ** 8 printk messages dropped ** [ 1342.036796][ T32] INFO: task kworker/1:821:5583 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 9 printk messages dropped ** [ 1342.037188][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 12 printk messages dropped ** [ 1342.037632][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1342.037971][ T32] r4:8454d780 ** 2 printk messages dropped ** [ 1342.038113][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1342.038368][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1342.038510][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1342.038596][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.038635][ T32] Call trace: [ 1342.038663][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.038709][ T32] r10:8291880c r9:ec545d84 r8:00000002 r7:60000113 r6:ec545d8c r5:856f6000 [ 1342.038731][ T32] r4:856f6000 [ 1342.038792][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.038888][ T32] r5:856f6000 r4:82918808 [ 1342.038910][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.038952][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.038995][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec545e08 [ 1342.039018][ T32] r4:00000000 [ 1342.039069][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.039108][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.039144][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.039186][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857bcb40 [ 1342.039207][ T32] r4:00000000 [ 1342.039226][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.039267][ T32] r9:83018205 r8:856f6000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c3000 [ 1342.039287][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.039326][ T32] r5:00001000 r4:ec575000 [ 1342.039345][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.039382][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.039421][ T32] r5:85758f8c r4:85758c00 [ 1342.039445][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.039517][ T32] r7:ddde2d80 r6:83018200 r5:85758f8c r4:857b9a80 [ 1342.039541][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.039586][ T32] r10:61c88647 r9:856f6000 r8:857b9aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.039620][ T32] r4:857b9a80 [ 1342.039642][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.039687][ T32] r10:00000000 r9:857b9a80 r8:8027f5e8 r7:ec51de60 r6:857b9b00 r5:856f6000 [ 1342.039709][ T32] r4:00000001 [ 1342.039727][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.062968][ T32] Exception stack(0xec545fb0 to 0xec545ff8) [ 1342.063070][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1342.063103][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.063160][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.063196][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.063239][ T32] r4:857bc7c0 [ 1342.063747][ T32] INFO: task kworker/1:822:5586 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.063814][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.063955][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.064022][ T32] Call trace: [ 1342.064088][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.064144][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.064168][ T32] r4:00000000 [ 1342.064243][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.064318][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.064350][ T32] 9d20: e0bbe000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.064379][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.064415][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.064471][ T32] r5:80070013 r4:80239bb0 [ 1342.064537][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.064589][ T32] r4:82ac11a4 [ 1342.064609][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.064655][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.064678][ T32] r4:e47b9dc0 [ 1342.064697][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.064739][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.064760][ T32] r4:00000000 [ 1342.064779][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.064854][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.064880][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.064923][ T32] r5:00001000 r4:ece91000 [ 1342.064942][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.065060][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.065150][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.065174][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.065222][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.065243][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.065318][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.065383][ T32] r4:8454d780 [ 1342.065436][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.065483][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.065509][ T32] r4:00000001 [ 1342.065529][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.065564][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.065589][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.065616][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.065643][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.065670][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.065692][ T32] r4:84e5a340 [ 1342.065742][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.065775][ T32] INFO: task kworker/1:823:5587 blocked for more than 468 seconds. [ 1342.065813][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.065838][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.065889][ T32] task:kworker/1:823 state:D stack:0 pid:5587 tgid:5587 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.065938][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.066039][ T32] Call trace: [ 1342.066075][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.066156][ T32] r10:8291880c r9:ec55dd84 r8:00000002 r7:60000013 r6:ec55dd8c r5:856f6c00 [ 1342.066214][ T32] r4:856f6c00 [ 1342.066241][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.066282][ T32] r5:856f6c00 r4:82918808 [ 1342.066302][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.066339][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.066380][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec55de08 [ 1342.066401][ T32] r4:00000000 [ 1342.066421][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 2 printk messages dropped ** [ 1342.066595][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857bc7c0 ** 4 printk messages dropped ** [ 1342.066996][ T32] r5:00001000 r4:ec559000 [ 1342.067052][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1342.067211][ T32] r5:8575878c r4:85758400 ** 3 printk messages dropped ** [ 1342.067379][ T32] r10:61c88647 r9:856f6c00 r8:857b9a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1342.067636][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1342.068327][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 7 printk messages dropped ** [ 1342.068596][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1342.069034][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1342.069490][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1342.083958][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1342.084169][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1342.084358][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1342.084758][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.084805][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec569e08 [ 1342.084827][ T32] r4:00000000 [ 1342.084847][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.084881][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.084948][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.085032][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857bca00 [ 1342.085063][ T32] r4:00000000 [ 1342.085084][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.085130][ T32] r9:83018205 r8:856f3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b1000 [ 1342.085152][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.085192][ T32] r5:00001000 r4:ec565000 [ 1342.085212][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.085250][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.085289][ T32] r5:85758b8c r4:85758800 [ 1342.085309][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.085354][ T32] r7:ddde2d80 r6:83018200 r5:85758b8c r4:857b9c00 [ 1342.085416][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.085520][ T32] r10:61c88647 r9:856f3c00 r8:857b9c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.085545][ T32] r4:857b9c00 [ 1342.085565][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.085608][ T32] r10:00000000 r9:857b9c00 r8:8027f5e8 r7:ec545e60 r6:857b9c80 r5:856f3c00 [ 1342.085630][ T32] r4:00000001 [ 1342.085648][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.085684][ T32] Exception stack(0xec569fb0 to 0xec569ff8) [ 1342.085727][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.085760][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.085814][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.085845][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.085871][ T32] r4:857bc640 [ 1342.086371][ T32] INFO: task kworker/1:824:5590 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.086407][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.086475][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.086581][ T32] Call trace: [ 1342.086615][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.086690][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.086741][ T32] r4:00000000 [ 1342.086778][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.086819][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.086849][ T32] 9d20: e0e2f000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.086897][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.086925][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.086950][ T32] r5:80070013 r4:80239bb0 [ 1342.086970][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.087020][ T32] r4:82ac11a4 [ 1342.087050][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.087097][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.087119][ T32] r4:e47b9dc0 [ 1342.087138][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.087200][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.087226][ T32] r4:00000000 [ 1342.087246][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.087291][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.087333][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.087379][ T32] r5:00001000 r4:ece91000 [ 1342.087420][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.087462][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1342.087660][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1342.088011][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1342.088395][ T32] r10:8291880c r9:ec58dd84 r8:00000002 r7:60000013 r6:ec58dd8c r5:84f10000 ** 6 printk messages dropped ** [ 1342.088681][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1342.089039][ T32] r9:83018205 r8:84f10000 r7:00000000 r6:83018200 r5:00001000 r4:7f027000 ** 1 printk messages dropped ** [ 1342.089149][ T32] r5:00001000 r4:dfa6f000 ** 3 printk messages dropped ** [ 1342.089268][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1342.089614][ T32] r10:00000000 r9:857b9d00 r8:8027f5e8 r7:ec545e60 r6:857b9d80 r5:84f10000 ** 9 printk messages dropped ** [ 1342.108402][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 14 printk messages dropped ** [ 1342.109253][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 12 printk messages dropped ** [ 1342.123510][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 4 printk messages dropped ** [ 1342.123706][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 9 printk messages dropped ** [ 1342.124198][ T32] INFO: task kworker/1:826:5594 blocked for more than 468 seconds. ** 7 printk messages dropped ** [ 1342.124708][ T32] r4:856f8000 ** 3 printk messages dropped ** [ 1342.124876][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1342.125240][ T32] r9:83018205 r8:856f8000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c5000 ** 1 printk messages dropped ** [ 1342.125313][ T32] r5:00001000 r4:ec59b000 ** 4 printk messages dropped ** [ 1342.125542][ T32] r7:ddde2d80 r6:83018200 r5:8575938c r4:857b9e00 ** 1 printk messages dropped ** [ 1342.125615][ T32] r10:61c88647 r9:856f8000 r8:857b9e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.125642][ T32] r4:857b9e00 [ 1342.125692][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.125739][ T32] r10:00000000 r9:857b9e00 r8:8027f5e8 r7:ec58de60 r6:857b9e80 r5:856f8000 [ 1342.125786][ T32] r4:00000001 [ 1342.125859][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.125914][ T32] Exception stack(0xec4d1fb0 to 0xec4d1ff8) [ 1342.125968][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1342.126001][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.126032][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.126062][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.126087][ T32] r4:857bcb00 [ 1342.126643][ T32] INFO: task kworker/1:826:5594 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.126712][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.126803][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.126851][ T32] Call trace: [ 1342.126908][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.126960][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.126986][ T32] r4:00000000 [ 1342.127007][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.127055][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.127086][ T32] 9d20: e16c4000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.127117][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.127169][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.127208][ T32] r5:80070013 r4:80239bb0 [ 1342.127233][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.127284][ T32] r4:82ac11a4 [ 1342.127307][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.127354][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.127377][ T32] r4:e47b9dc0 [ 1342.127397][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.127441][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.127463][ T32] r4:00000000 [ 1342.127483][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.127528][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.127553][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.127596][ T32] r5:00001000 r4:ece91000 [ 1342.127629][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.127691][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.127741][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.127775][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.127824][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.127847][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.127903][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.127938][ T32] r4:8454d780 [ 1342.127962][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.128041][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.128078][ T32] r4:00000001 [ 1342.128102][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.128140][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.128168][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.128198][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.128225][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.128254][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.128277][ T32] r4:84e5a340 ** 1 printk messages dropped ** [ 1342.128339][ T32] INFO: task kworker/1:827:5595 blocked for more than 468 seconds. ** 7 printk messages dropped ** [ 1342.128750][ T32] r4:856f8c00 ** 4 printk messages dropped ** [ 1342.128959][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5b9e08 ** 6 printk messages dropped ** [ 1342.129250][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1342.129396][ T32] r5:00001000 r4:eb40f000 ** 1 printk messages dropped ** [ 1342.129477][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1342.144973][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1342.145140][ T32] Exception stack(0xec5b9fb0 to 0xec5b9ff8) [ 1342.145171][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.145200][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.145260][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.145361][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.145392][ T32] r4:857bcb00 [ 1342.145902][ T32] INFO: task kworker/1:827:5595 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.145945][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.146018][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.146108][ T32] Call trace: [ 1342.146179][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.146283][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.146314][ T32] r4:00000000 [ 1342.146337][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.146381][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.146446][ T32] 9d20: e1953000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.146489][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.146534][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.146567][ T32] r5:80070013 r4:80239bb0 [ 1342.146595][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.146678][ T32] r4:82ac11a4 [ 1342.146740][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.146801][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.146830][ T32] r4:e47b9dc0 [ 1342.146881][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.146935][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.146963][ T32] r4:00000000 [ 1342.147009][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.147078][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.147105][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.147167][ T32] r5:00001000 r4:ece91000 [ 1342.147194][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.147239][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.147302][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.147360][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.147424][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.147453][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.147500][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.147556][ T32] r4:8454d780 [ 1342.147580][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.147626][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.147650][ T32] r4:00000001 [ 1342.147670][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.147741][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.147802][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.147838][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.147866][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.147913][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.147941][ T32] r4:84e5a340 [ 1342.147987][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.148037][ T32] INFO: task kworker/1:828:5598 blocked for more than 468 seconds. [ 1342.148084][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.148156][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.148323][ T32] task:kworker/1:828 state:D stack:0 pid:5598 tgid:5598 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.148391][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.148441][ T32] Call trace: [ 1342.148476][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.148527][ T32] r10:8291880c r9:eb96dd84 r8:00000002 r7:60000113 r6:eb96dd8c r5:856f9800 [ 1342.148552][ T32] r4:856f9800 [ 1342.148572][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.148669][ T32] r5:856f9800 r4:82918808 [ 1342.148698][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.148737][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.148781][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb96de08 [ 1342.148805][ T32] r4:00000000 [ 1342.148871][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.148920][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.148959][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.149004][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d4ba40 [ 1342.149076][ T32] r4:00000000 [ 1342.149104][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.149166][ T32] r9:83018205 r8:856f9800 r7:00000000 r6:83018200 r5:00001000 r4:7f035000 [ 1342.149239][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.149318][ T32] r5:00001000 r4:dfae3000 [ 1342.149371][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.149417][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.149459][ T32] r5:85759b8c r4:85759800 [ 1342.149509][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.149562][ T32] r7:ddde2d80 r6:83018200 r5:85759b8c r4:857dc000 [ 1342.149585][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.149631][ T32] r10:61c88647 r9:856f9800 r8:857dc02c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.149686][ T32] r4:857dc000 [ 1342.149728][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 1 printk messages dropped ** [ 1342.149867][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1342.163611][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1342.164532][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1342.164830][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1342.165086][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 9 printk messages dropped ** [ 1342.165630][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 5 printk messages dropped ** [ 1342.165806][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1342.166103][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1342.166493][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1342.167024][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1342.167622][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.167667][ T32] r5:00001000 r4:dfe1b000 [ 1342.167688][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.167727][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.167767][ T32] r5:85759f8c r4:85759c00 [ 1342.167789][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.167833][ T32] r7:ddde2d80 r6:83018200 r5:85759f8c r4:857dc100 [ 1342.167853][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.167896][ T32] r10:61c88647 r9:856fb000 r8:857dc12c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.167918][ T32] r4:857dc100 [ 1342.167936][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.168001][ T32] r10:00000000 r9:857dc100 r8:8027f5e8 r7:ec5b9e60 r6:857dc180 r5:856fb000 [ 1342.168024][ T32] r4:00000001 [ 1342.168049][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.168101][ T32] Exception stack(0xeb979fb0 to 0xeb979ff8) [ 1342.168131][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.168158][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.168187][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.168243][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.168269][ T32] r4:857bcf40 [ 1342.168642][ T32] INFO: task kworker/1:829:5599 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.168683][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.168779][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.168823][ T32] Call trace: [ 1342.168852][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.168899][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.168951][ T32] r4:00000000 [ 1342.169020][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.169106][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.169156][ T32] 9d20: e2154000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.169188][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.169244][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.169272][ T32] r5:80070013 r4:80239bb0 [ 1342.169341][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.169390][ T32] r4:82ac11a4 [ 1342.169440][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.169491][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.169514][ T32] r4:e47b9dc0 [ 1342.169536][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.169643][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.169703][ T32] r4:00000000 [ 1342.169757][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.192973][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.193071][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.193196][ T32] r5:00001000 r4:ece91000 [ 1342.193231][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.193282][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.193335][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.193358][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.193406][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.193429][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.193482][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.193506][ T32] r4:8454d780 [ 1342.193560][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.193617][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.193643][ T32] r4:00000001 [ 1342.193663][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.193699][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.193729][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.193757][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.193815][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.193891][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.193939][ T32] r4:84e5a340 [ 1342.193968][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.193999][ T32] INFO: task kworker/1:830:5601 blocked for more than 468 seconds. [ 1342.194063][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.194092][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.194115][ T32] task:kworker/1:830 state:D stack:0 pid:5601 tgid:5601 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.195036][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.195424][ T32] Call trace: [ 1342.195519][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.195654][ T32] r10:8291880c r9:ebb69d84 r8:00000002 r7:60000113 r6:ebb69d8c r5:856fa400 [ 1342.195741][ T32] r4:856fa400 [ 1342.195813][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.195917][ T32] r5:856fa400 r4:82918808 [ 1342.195993][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.196091][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.196196][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb69e08 [ 1342.196250][ T32] r4:00000000 [ 1342.196298][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.196416][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.196523][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.196654][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857bd000 [ 1342.196738][ T32] r4:00000000 [ 1342.196860][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.196985][ T32] r9:83018205 r8:856fa400 r7:00000000 r6:83018200 r5:00001000 r4:7f03b000 [ 1342.197058][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.197174][ T32] r5:00001000 r4:eaca1000 [ 1342.197226][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.197320][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.197415][ T32] r5:8571578c r4:85715400 [ 1342.197505][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.197610][ T32] r7:ddde2d80 r6:83018200 r5:8571578c r4:857dc200 [ 1342.197655][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.197758][ T32] r10:61c88647 r9:856fa400 r8:857dc22c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.197813][ T32] r4:857dc200 [ 1342.197884][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.197991][ T32] r10:00000000 r9:857dc200 r8:8027f5e8 r7:ec5b9e60 r6:857dc280 r5:856fa400 [ 1342.198047][ T32] r4:00000001 [ 1342.198114][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.198227][ T32] Exception stack(0xebb69fb0 to 0xebb69ff8) [ 1342.198295][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.198401][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.198478][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.198548][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.198609][ T32] r4:857da300 [ 1342.199550][ T32] INFO: task kworker/1:830:5601 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.199659][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.213441][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.213607][ T32] Call trace: [ 1342.213695][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.213817][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.213878][ T32] r4:00000000 [ 1342.213928][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.214019][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.214113][ T32] 9d20: e28d0000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 3 printk messages dropped ** [ 1342.214517][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1342.215613][ T32] r5:00001000 r4:ece91000 ** 6 printk messages dropped ** [ 1342.216242][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 1 printk messages dropped ** [ 1342.216361][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1342.216673][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 2 printk messages dropped ** [ 1342.216858][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1342.217084][ T32] INFO: task kworker/1:831:5604 blocked for more than 468 seconds. ** 2 printk messages dropped ** [ 1342.217265][ T32] task:kworker/1:831 state:D stack:0 pid:5604 tgid:5604 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1342.217763][ T32] r4:856fc800 ** 2 printk messages dropped ** [ 1342.217994][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 5 printk messages dropped ** [ 1342.218542][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1342.218982][ T32] r5:00001000 r4:eae0b000 [ 1342.219030][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1342.219607][ T32] r10:61c88647 r9:856fc800 r8:857dc32c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.219655][ T32] r4:857dc300 [ 1342.219700][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.241026][ T32] r10:00000000 r9:857dc300 r8:8027f5e8 r7:ec5b9e60 r6:857dc380 r5:856fc800 [ 1342.241151][ T32] r4:00000001 [ 1342.241178][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.241237][ T32] Exception stack(0xec3a1fb0 to 0xec3a1ff8) [ 1342.241268][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1342.241297][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.241331][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.241361][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.241401][ T32] r4:857da740 [ 1342.241893][ T32] INFO: task kworker/1:831:5604 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.241930][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.242001][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.242069][ T32] Call trace: [ 1342.242203][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.242262][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.242302][ T32] r4:00000000 [ 1342.242332][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.242371][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.242432][ T32] 9d20: e2c1b000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.242979][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.243182][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.243333][ T32] r5:80070013 r4:80239bb0 [ 1342.243359][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.243408][ T32] r4:82ac11a4 [ 1342.243428][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.243736][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.243954][ T32] r4:e47b9dc0 [ 1342.244120][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.244175][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.244201][ T32] r4:00000000 [ 1342.244221][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.244345][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.244374][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.244417][ T32] r5:00001000 r4:ece91000 [ 1342.244437][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.244474][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.244515][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.244569][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.245316][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.245434][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.245483][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.245541][ T32] r4:8454d780 [ 1342.245606][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.245704][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.245757][ T32] r4:00000001 [ 1342.245804][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.245890][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.245977][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.246051][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.246121][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.246212][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.246267][ T32] r4:84e5a340 [ 1342.246331][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.246447][ T32] INFO: task kworker/1:832:5607 blocked for more than 468 seconds. [ 1342.246588][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.246697][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.246763][ T32] task:kworker/1:832 state:D stack:0 pid:5607 tgid:5607 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.246866][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.246998][ T32] Call trace: [ 1342.247071][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.247169][ T32] r10:8291880c r9:ec5bdd84 r8:00000002 r7:60000113 r6:ec5bdd8c r5:856fd400 [ 1342.247258][ T32] r4:856fd400 [ 1342.247338][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.247429][ T32] r5:856fd400 r4:82918808 [ 1342.247483][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.247609][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.247711][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5bde08 [ 1342.247765][ T32] r4:00000000 [ 1342.247812][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.247893][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.248006][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.248129][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857dadc0 [ 1342.248192][ T32] r4:00000000 [ 1342.248278][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.248475][ T32] r9:83018205 r8:856fd400 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1342.249307][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.249591][ T32] r5:00001000 r4:eb3db000 [ 1342.249637][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.249729][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.278751][ T32] r5:8575ab8c r4:8575a800 [ 1342.278866][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.279013][ T32] r7:ddde2d80 r6:83018200 r5:8575ab8c r4:857dc400 [ 1342.279071][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.279183][ T32] r10:61c88647 r9:856fd400 r8:857dc42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.279241][ T32] r4:857dc400 [ 1342.279294][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.279458][ T32] r10:00000000 r9:857dc400 r8:8027f5e8 r7:ec5b9e60 r6:857dc480 r5:856fd400 [ 1342.279528][ T32] r4:00000001 [ 1342.279581][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.279687][ T32] Exception stack(0xec5bdfb0 to 0xec5bdff8) [ 1342.282862][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.282952][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.282983][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.283037][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.283076][ T32] r4:857da540 [ 1342.283578][ T32] INFO: task kworker/1:832:5607 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.283615][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.283769][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.283836][ T32] Call trace: [ 1342.283871][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.283951][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.283985][ T32] r4:00000000 [ 1342.284008][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.284048][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.284080][ T32] 9d20: e2e2a000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.284109][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.284153][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.284181][ T32] r5:80070013 r4:80239bb0 [ 1342.284202][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.284250][ T32] r4:82ac11a4 [ 1342.284269][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.284354][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.284381][ T32] r4:e47b9dc0 [ 1342.284403][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.284448][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.284521][ T32] r4:00000000 [ 1342.284545][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.284617][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.284670][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.284729][ T32] r5:00001000 r4:ece91000 [ 1342.284802][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.284846][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.284889][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.284908][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.284954][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.284975][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.285024][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.285048][ T32] r4:8454d780 [ 1342.285074][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.285117][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.285139][ T32] r4:00000001 [ 1342.285158][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.285192][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.285232][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.285266][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.285293][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.285329][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.285352][ T32] r4:84e5a340 [ 1342.285372][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.285401][ T32] INFO: task kworker/0:403:5608 blocked for more than 468 seconds. [ 1342.285435][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.285488][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.285530][ T32] task:kworker/0:403 state:D stack:0 pid:5608 tgid:5608 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.285626][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.285722][ T32] Call trace: [ 1342.285867][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.285971][ T32] r10:8291880c r9:ec5c5d84 r8:00000002 r7:60000113 r6:ec5c5d8c r5:856fec00 [ 1342.286028][ T32] r4:856fec00 [ 1342.286096][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.286230][ T32] r5:856fec00 r4:82918808 [ 1342.286281][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.286398][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.286514][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5c5e08 [ 1342.286595][ T32] r4:00000000 [ 1342.286663][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.286760][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.286843][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.286939][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d6280 [ 1342.286990][ T32] r4:00000000 [ 1342.287055][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.287164][ T32] r9:83018005 r8:856fec00 r7:00000000 r6:83018000 r5:00001000 r4:7f045000 [ 1342.287216][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.287306][ T32] r5:00001000 r4:eb373000 [ 1342.287391][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.287492][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.287583][ T32] r5:8571678c r4:85716400 [ 1342.287628][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.287725][ T32] r7:dddced80 r6:83018000 r5:8571678c r4:85688780 [ 1342.287774][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.287866][ T32] r10:61c88647 r9:856fec00 r8:856887ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1342.287917][ T32] r4:85688780 [ 1342.287961][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.288075][ T32] r10:00000000 r9:85688780 r8:8027f5e8 r7:ec501e60 r6:85688800 r5:856fec00 [ 1342.288150][ T32] r4:00000001 [ 1342.288203][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.288289][ T32] Exception stack(0xec5c5fb0 to 0xec5c5ff8) [ 1342.288362][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1342.288424][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.288487][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.288556][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.288607][ T32] r4:857bd040 [ 1342.288980][ T32] INFO: task kworker/0:403:5608 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.289017][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.289316][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.289434][ T32] Call trace: [ 1342.289520][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.289651][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.289751][ T32] r4:00000000 [ 1342.310542][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.310815][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.310896][ T32] 9d20: e31b2000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.310967][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.311029][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.311092][ T32] r5:80070013 r4:80239bb0 [ 1342.311141][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.311237][ T32] r4:82ac11a4 [ 1342.311285][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.311416][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.311482][ T32] r4:e47b9dc0 [ 1342.311555][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.311697][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.311778][ T32] r4:00000000 [ 1342.311836][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.311942][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.311996][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.312116][ T32] r5:00001000 r4:ece91000 [ 1342.312179][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.312265][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.312379][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.312434][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.312529][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.312598][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.312780][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.312853][ T32] r4:8454d780 [ 1342.312919][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.313017][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.313073][ T32] r4:00000001 [ 1342.313122][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.313208][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.313270][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.313337][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.313399][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.313466][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.313522][ T32] r4:84e5a340 [ 1342.313601][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.313689][ T32] INFO: task kworker/0:404:5610 blocked for more than 468 seconds. [ 1342.313779][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.313837][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.313888][ T32] task:kworker/0:404 state:D stack:0 pid:5610 tgid:5610 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.314008][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.314101][ T32] Call trace: [ 1342.314172][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.314301][ T32] r10:8291880c r9:ec5a5d84 r8:00000002 r7:60000113 r6:ec5a5d8c r5:844f2400 [ 1342.314363][ T32] r4:844f2400 [ 1342.314409][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.314508][ T32] r5:844f2400 r4:82918808 [ 1342.314576][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.314685][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.314789][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5a5e08 [ 1342.314850][ T32] r4:00000000 [ 1342.314896][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.314980][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.315088][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.315198][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d6140 [ 1342.315279][ T32] r4:00000000 [ 1342.315346][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.315448][ T32] r9:83018005 r8:844f2400 r7:00000000 r6:83018000 r5:00001000 r4:7f043000 [ 1342.315497][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.315591][ T32] r5:00001000 r4:eb25f000 [ 1342.315642][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.315733][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.315820][ T32] r5:8571638c r4:85716000 [ 1342.315897][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.316017][ T32] r7:dddced80 r6:83018000 r5:8571638c r4:85688880 [ 1342.316070][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.316187][ T32] r10:61c88647 r9:844f2400 r8:856888ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1342.316240][ T32] r4:85688880 [ 1342.316286][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.316395][ T32] r10:00000000 r9:85688880 r8:8027f5e8 r7:ec5c5e60 r6:85688900 r5:844f2400 [ 1342.316467][ T32] r4:00000001 [ 1342.316516][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.316601][ T32] Exception stack(0xec5a5fb0 to 0xec5a5ff8) [ 1342.316659][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1342.316724][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.316812][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.316895][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.316965][ T32] r4:857bd040 [ 1342.317837][ T32] INFO: task kworker/0:404:5610 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.317943][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.318140][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.318351][ T32] Call trace: [ 1342.318427][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.318546][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.318604][ T32] r4:00000000 [ 1342.318653][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.318737][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.318797][ T32] 9d20: e31b2000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.318878][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.318941][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.318992][ T32] r5:80070013 r4:80239bb0 [ 1342.319063][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.319168][ T32] r4:82ac11a4 [ 1342.319214][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.319304][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.319364][ T32] r4:e47b9dc0 [ 1342.319415][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.319512][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.319562][ T32] r4:00000000 [ 1342.319610][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.319699][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.319791][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.347933][ T32] r5:00001000 r4:ece91000 [ 1342.348041][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.348207][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.348327][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.348380][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.348482][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.348536][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.348646][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.348728][ T32] r4:8454d780 [ 1342.348787][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.348880][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.348935][ T32] r4:00000001 [ 1342.348961][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.348999][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.349030][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.349060][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.349089][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.349117][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.349139][ T32] r4:84e5a340 [ 1342.349188][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.349226][ T32] INFO: task kworker/0:405:5613 blocked for more than 468 seconds. [ 1342.349264][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.349519][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.349548][ T32] task:kworker/0:405 state:D stack:0 pid:5613 tgid:5613 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.349669][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.349746][ T32] Call trace: [ 1342.349780][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.360573][ T32] r10:8291880c r9:ec5c1d84 r8:00000002 r7:60000013 r6:ec5c1d8c r5:844f1800 [ 1342.360731][ T32] r4:844f1800 [ 1342.360794][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.360920][ T32] r5:844f1800 r4:82918808 [ 1342.360976][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.361066][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.361171][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5c1e08 [ 1342.361254][ T32] r4:00000000 [ 1342.361366][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.361445][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.361492][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.361586][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85835280 [ 1342.361653][ T32] r4:00000000 [ 1342.361720][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.361851][ T32] r9:83018005 r8:844f1800 r7:00000000 r6:83018000 r5:00001000 r4:7f029000 [ 1342.361907][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.362008][ T32] r5:00001000 r4:e062d000 [ 1342.362060][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.362159][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.362277][ T32] r5:85717f8c r4:85717c00 [ 1342.362334][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.362437][ T32] r7:dddced80 r6:83018000 r5:85717f8c r4:85688980 [ 1342.362489][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.362588][ T32] r10:61c88647 r9:844f1800 r8:856889ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1342.362645][ T32] r4:85688980 [ 1342.362693][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.362815][ T32] r10:00000000 r9:85688980 r8:8027f5e8 r7:ec5c5e60 r6:85688a00 r5:844f1800 [ 1342.362893][ T32] r4:00000001 [ 1342.362949][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.363040][ T32] Exception stack(0xec5c1fb0 to 0xec5c1ff8) [ 1342.363112][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1342.363183][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.363247][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.363345][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.363409][ T32] r4:857d6100 [ 1342.364231][ T32] INFO: task kworker/0:405:5613 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.364324][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.364480][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.364584][ T32] Call trace: [ 1342.364647][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.364731][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.364796][ T32] r4:00000000 [ 1342.364853][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.364942][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.365008][ T32] 9d20: e34d7000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.365079][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.365155][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.365215][ T32] r5:80070013 r4:80239bb0 [ 1342.365267][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.365384][ T32] r4:82ac11a4 [ 1342.365437][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.365559][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.365623][ T32] r4:e47b9dc0 [ 1342.365690][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.365783][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.365823][ T32] r4:00000000 [ 1342.365863][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.365953][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.366006][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.366098][ T32] r5:00001000 r4:ece91000 [ 1342.366146][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.366314][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.366420][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.366494][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.366609][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.366660][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.366759][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.366822][ T32] r4:8454d780 [ 1342.366875][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.366996][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.367066][ T32] r4:00000001 [ 1342.367115][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.367202][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.367261][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.367339][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.367421][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.367502][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.367554][ T32] r4:84e5a340 [ 1342.367605][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.367694][ T32] INFO: task kworker/0:406:5614 blocked for more than 468 seconds. [ 1342.367764][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.367840][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.367899][ T32] task:kworker/0:406 state:D stack:0 pid:5614 tgid:5614 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.368038][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.368140][ T32] Call trace: [ 1342.368211][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.368319][ T32] r10:8291880c r9:ebb79d84 r8:00000002 r7:60000113 r6:ebb79d8c r5:844f3000 [ 1342.368393][ T32] r4:844f3000 [ 1342.368446][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.368534][ T32] r5:844f3000 r4:82918808 [ 1342.368581][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.368663][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.368779][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebb79e08 [ 1342.368839][ T32] r4:00000000 [ 1342.368886][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.368965][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.369070][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.369182][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d6ac0 [ 1342.369242][ T32] r4:00000000 [ 1342.369289][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.369400][ T32] r9:83018005 r8:844f3000 r7:00000000 r6:83018000 r5:00001000 r4:7f053000 [ 1342.369455][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.369547][ T32] r5:00001000 r4:eb78b000 [ 1342.369597][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.369690][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.390920][ T32] r5:85716b8c r4:85716800 [ 1342.391028][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.391178][ T32] r7:dddced80 r6:83018000 r5:85716b8c r4:85688a80 [ 1342.391230][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.391343][ T32] r10:61c88647 r9:844f3000 r8:85688aac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1342.391399][ T32] r4:85688a80 [ 1342.391445][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.391608][ T32] r10:00000000 r9:85688a80 r8:8027f5e8 r7:ec5c1e60 r6:85688b00 r5:844f3000 [ 1342.391666][ T32] r4:00000001 [ 1342.391709][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.391801][ T32] Exception stack(0xebb79fb0 to 0xebb79ff8) [ 1342.391868][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.391931][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.391986][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.392043][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.392107][ T32] r4:857d6100 [ 1342.392937][ T32] INFO: task kworker/0:406:5614 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.393016][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.393199][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.393326][ T32] Call trace: [ 1342.393432][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.393547][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.393602][ T32] r4:00000000 [ 1342.393653][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.393736][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.393798][ T32] 9d20: e36df000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.393865][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.393928][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.393981][ T32] r5:80070013 r4:80239bb0 [ 1342.394021][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.394108][ T32] r4:82ac11a4 [ 1342.394154][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.394274][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.394367][ T32] r4:e47b9dc0 [ 1342.394423][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.394524][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.394596][ T32] r4:00000000 [ 1342.394666][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.394765][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.394836][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.394933][ T32] r5:00001000 r4:ece91000 [ 1342.394982][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.395074][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.395179][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.395247][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.395367][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.395419][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.395521][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.395570][ T32] r4:8454d780 [ 1342.395641][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.395757][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.395818][ T32] r4:00000001 [ 1342.395866][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.395965][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.396034][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.396103][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.396170][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.396239][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.396294][ T32] r4:84e5a340 [ 1342.396355][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.396422][ T32] INFO: task kworker/1:833:5617 blocked for more than 468 seconds. [ 1342.396495][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.396556][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.396604][ T32] task:kworker/1:833 state:D stack:0 pid:5617 tgid:5617 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.396704][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.396851][ T32] Call trace: [ 1342.396933][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.397079][ T32] r10:8291880c r9:ec5d1d84 r8:00000002 r7:60000113 r6:ec5d1d8c r5:844f3c00 [ 1342.397143][ T32] r4:844f3c00 [ 1342.397195][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.397286][ T32] r5:844f3c00 r4:82918808 [ 1342.397360][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.397442][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.397493][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5d1e08 [ 1342.397592][ T32] r4:00000000 [ 1342.397624][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.397712][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.397803][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.397906][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857daa80 [ 1342.397962][ T32] r4:00000000 [ 1342.398012][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.398114][ T32] r9:83018205 r8:844f3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f04b000 [ 1342.398173][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.398315][ T32] r5:00001000 r4:eb597000 [ 1342.398375][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.398464][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.398560][ T32] r5:8575b38c r4:8575b000 [ 1342.398609][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.398700][ T32] r7:ddde2d80 r6:83018200 r5:8575b38c r4:857dc500 [ 1342.398769][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.398894][ T32] r10:61c88647 r9:844f3c00 r8:857dc52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.398952][ T32] r4:857dc500 [ 1342.399000][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.399106][ T32] r10:00000000 r9:857dc500 r8:8027f5e8 r7:ec5b9e60 r6:85688b80 r5:844f3c00 [ 1342.399175][ T32] r4:00000001 [ 1342.399287][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.399392][ T32] Exception stack(0xec5d1fb0 to 0xec5d1ff8) [ 1342.399464][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1342.399529][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.399592][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.399658][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.399793][ T32] r4:857dabc0 [ 1342.427646][ T32] INFO: task kworker/1:833:5617 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.427710][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.427915][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.428119][ T32] Call trace: [ 1342.428213][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.428343][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.428422][ T32] r4:00000000 [ 1342.428497][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.428611][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.428687][ T32] 9d20: e3b9c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.428754][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.428854][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.428920][ T32] r5:80070013 r4:80239bb0 [ 1342.428970][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.429070][ T32] r4:82ac11a4 [ 1342.429122][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.429228][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.429283][ T32] r4:e47b9dc0 [ 1342.429368][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.429481][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.429555][ T32] r4:00000000 [ 1342.429626][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.435727][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.435891][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.436027][ T32] r5:00001000 r4:ece91000 [ 1342.436093][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.436181][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.436289][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.436344][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.436471][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.436547][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.436657][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.436730][ T32] r4:8454d780 [ 1342.436787][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.436887][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.436942][ T32] r4:00000001 [ 1342.436988][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.437073][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.437166][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.437249][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.437324][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.437411][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.437492][ T32] r4:84e5a340 [ 1342.437556][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.437624][ T32] INFO: task kworker/1:834:5618 blocked for more than 468 seconds. [ 1342.437702][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.437764][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.437836][ T32] task:kworker/1:834 state:D stack:0 pid:5618 tgid:5618 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.437965][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.438064][ T32] Call trace: [ 1342.438160][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.438300][ T32] r10:8291880c r9:ec5d5d84 r8:00000002 r7:60000013 r6:ec5d5d8c r5:844f4800 [ 1342.438384][ T32] r4:844f4800 [ 1342.438443][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.438532][ T32] r5:844f4800 r4:82918808 [ 1342.438573][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.438640][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.438688][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5d5e08 [ 1342.438711][ T32] r4:00000000 [ 1342.438798][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.438836][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.438903][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.438950][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857da5c0 [ 1342.438974][ T32] r4:00000000 [ 1342.439019][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.439126][ T32] r9:83018205 r8:844f4800 r7:00000000 r6:83018200 r5:00001000 r4:7f04d000 [ 1342.439152][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.439193][ T32] r5:00001000 r4:eb719000 [ 1342.439227][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.439268][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.439502][ T32] r5:8575b78c r4:8575b400 [ 1342.439567][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.439674][ T32] r7:ddde2d80 r6:83018200 r5:8575b78c r4:857dc580 [ 1342.439770][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.454342][ T32] r10:61c88647 r9:844f4800 r8:857dc5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.454387][ T32] r4:857dc580 [ 1342.454411][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.454479][ T32] r10:00000000 r9:857dc580 r8:8027f5e8 r7:ec5d1e60 r6:85688c00 r5:844f4800 [ 1342.454504][ T32] r4:00000001 [ 1342.454549][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.454592][ T32] Exception stack(0xec5d5fb0 to 0xec5d5ff8) [ 1342.454647][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1342.454758][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.454789][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.454819][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.454866][ T32] r4:857dae80 [ 1342.455361][ T32] INFO: task kworker/1:834:5618 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.455398][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.455468][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.455517][ T32] Call trace: [ 1342.455575][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.455630][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.455704][ T32] r4:00000000 [ 1342.455729][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.455768][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.455795][ T32] 9d20: e3c32000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.455824][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.455850][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.455873][ T32] r5:80070013 r4:80239bb0 [ 1342.455918][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.455969][ T32] r4:82ac11a4 [ 1342.455990][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.456060][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.456087][ T32] r4:e47b9dc0 [ 1342.456108][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.456153][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.456174][ T32] r4:00000000 [ 1342.456199][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.456245][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.456301][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.456354][ T32] r5:00001000 r4:ece91000 [ 1342.456374][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.456432][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.456479][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.456500][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.456545][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.456568][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.456612][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.456634][ T32] r4:8454d780 [ 1342.456841][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.456894][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.456919][ T32] r4:00000001 [ 1342.456938][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.457053][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.457099][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.457132][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.457159][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.457267][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.457468][ T32] r4:84e5a340 [ 1342.457495][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.457524][ T32] INFO: task kworker/1:835:5621 blocked for more than 468 seconds. [ 1342.457559][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.457585][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.457607][ T32] task:kworker/1:835 state:D stack:0 pid:5621 tgid:5621 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.457715][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.457756][ T32] Call trace: [ 1342.457879][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.457931][ T32] r10:8291880c r9:ec5e1d84 r8:00000002 r7:60000013 r6:ec5e1d8c r5:844f5400 [ 1342.457977][ T32] r4:844f5400 [ 1342.458002][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.458095][ T32] r5:844f5400 r4:82918808 [ 1342.458118][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.458182][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.458363][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5e1e08 [ 1342.458391][ T32] r4:00000000 [ 1342.458411][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.458514][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.458557][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.458600][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857da0c0 [ 1342.458740][ T32] r4:00000000 [ 1342.458812][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.458921][ T32] r9:83018205 r8:844f5400 r7:00000000 r6:83018200 r5:00001000 r4:7f04f000 [ 1342.458977][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.459072][ T32] r5:00001000 r4:eb757000 [ 1342.459123][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.459216][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.459326][ T32] r5:8575bb8c r4:8575b800 [ 1342.459376][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.459478][ T32] r7:ddde2d80 r6:83018200 r5:8575bb8c r4:857dc600 [ 1342.459648][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.477825][ T32] r10:61c88647 r9:844f5400 r8:857dc62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.478024][ T32] r4:857dc600 [ 1342.478088][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.478278][ T32] r10:00000000 r9:857dc600 r8:8027f5e8 r7:ec5d5e60 r6:85688c80 r5:844f5400 [ 1342.478352][ T32] r4:00000001 [ 1342.478407][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.478501][ T32] Exception stack(0xec5e1fb0 to 0xec5e1ff8) [ 1342.478573][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1342.478660][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.478756][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.478847][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.478917][ T32] r4:857dafc0 [ 1342.490592][ T32] INFO: task kworker/1:835:5621 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.490799][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.490973][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.491108][ T32] Call trace: [ 1342.491192][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.491328][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.491396][ T32] r4:00000000 [ 1342.491451][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.491564][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.491659][ T32] 9d20: e3ea6000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.491805][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.491888][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.491967][ T32] r5:80070013 r4:80239bb0 [ 1342.492091][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.492215][ T32] r4:82ac11a4 [ 1342.492320][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.492432][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.492488][ T32] r4:e47b9dc0 [ 1342.492558][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.492678][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.492737][ T32] r4:00000000 [ 1342.492790][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.492894][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.492948][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.493042][ T32] r5:00001000 r4:ece91000 [ 1342.493094][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.493206][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.493307][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.493369][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.493478][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.493530][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.493636][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.493787][ T32] r4:8454d780 [ 1342.493871][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.493980][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.494092][ T32] r4:00000001 [ 1342.494151][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.494336][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.494451][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.494510][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.494560][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.494613][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.494656][ T32] r4:84e5a340 [ 1342.494728][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.494838][ T32] INFO: task kworker/1:836:5623 blocked for more than 468 seconds. [ 1342.494912][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.494983][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.495055][ T32] task:kworker/1:836 state:D stack:0 pid:5623 tgid:5623 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.495238][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.495381][ T32] Call trace: [ 1342.495483][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.495610][ T32] r10:8291880c r9:ec5e9d84 r8:00000002 r7:60000013 r6:ec5e9d8c r5:844f0000 [ 1342.495674][ T32] r4:844f0000 [ 1342.495742][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.495874][ T32] r5:844f0000 r4:82918808 [ 1342.495978][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.496075][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.496175][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5e9e08 [ 1342.496247][ T32] r4:00000000 [ 1342.496319][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.496431][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.496524][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.496657][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d7340 [ 1342.496716][ T32] r4:00000000 [ 1342.496765][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.496866][ T32] r9:83018205 r8:844f0000 r7:00000000 r6:83018200 r5:00001000 r4:7f057000 [ 1342.496913][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.497023][ T32] r5:00001000 r4:eb7c5000 [ 1342.497111][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.497206][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.497301][ T32] r5:8576478c r4:85764400 [ 1342.497379][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.497673][ T32] r7:ddde2d80 r6:83018200 r5:8576478c r4:857dc680 [ 1342.497750][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.497919][ T32] r10:61c88647 r9:844f0000 r8:857dc6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.498004][ T32] r4:857dc680 [ 1342.498079][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.498215][ T32] r10:00000000 r9:857dc680 r8:8027f5e8 r7:ec5e1e60 r6:85688d00 r5:844f0000 [ 1342.498277][ T32] r4:00000001 [ 1342.498338][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.498428][ T32] Exception stack(0xec5e9fb0 to 0xec5e9ff8) [ 1342.498492][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.498573][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.498638][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.498727][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.498796][ T32] r4:857dafc0 [ 1342.499678][ T32] INFO: task kworker/1:836:5623 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.528629][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.528969][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.529149][ T32] Call trace: [ 1342.529237][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.529374][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.529432][ T32] r4:00000000 [ 1342.529482][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.529597][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.529675][ T32] 9d20: e40d0000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.530335][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.530425][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.530545][ T32] r5:80070013 r4:80239bb0 [ 1342.530607][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.530727][ T32] r4:82ac11a4 [ 1342.530761][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.530811][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.530836][ T32] r4:e47b9dc0 [ 1342.530880][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.530989][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.531045][ T32] r4:00000000 [ 1342.531095][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.531207][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.531318][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.531433][ T32] r5:00001000 r4:ece91000 [ 1342.531483][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.531573][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.531688][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.531777][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.531889][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.531942][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.532052][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.532108][ T32] r4:8454d780 [ 1342.532178][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.532298][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.532348][ T32] r4:00000001 [ 1342.532371][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.532510][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.532542][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.532625][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.532656][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.532685][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.532707][ T32] r4:84e5a340 [ 1342.532732][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.532829][ T32] INFO: task kworker/1:837:5624 blocked for more than 469 seconds. [ 1342.532946][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.533027][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.533058][ T32] task:kworker/1:837 state:D stack:0 pid:5624 tgid:5624 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.533118][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.533185][ T32] Call trace: [ 1342.533217][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.533285][ T32] r10:8291880c r9:ec5edd84 r8:00000002 r7:60000013 r6:ec5edd8c r5:844f6000 [ 1342.533315][ T32] r4:844f6000 [ 1342.533337][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.533380][ T32] r5:844f6000 r4:82918808 [ 1342.533587][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.533630][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.533675][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5ede08 [ 1342.533699][ T32] r4:00000000 [ 1342.533718][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.533752][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.534088][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.534161][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d4bac0 [ 1342.534221][ T32] r4:00000000 [ 1342.534417][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.534492][ T32] r9:83018205 r8:844f6000 r7:00000000 r6:83018200 r5:00001000 r4:7f051000 [ 1342.534518][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.534586][ T32] r5:00001000 r4:eb76f000 [ 1342.534609][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.534661][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.534775][ T32] r5:8575bf8c r4:8575bc00 [ 1342.534885][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.535092][ T32] r7:ddde2d80 r6:83018200 r5:8575bf8c r4:857dc700 [ 1342.535116][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.535162][ T32] r10:61c88647 r9:844f6000 r8:857dc72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.535209][ T32] r4:857dc700 [ 1342.535231][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.535275][ T32] r10:00000000 r9:857dc700 r8:8027f5e8 r7:ec5e9e60 r6:85688d80 r5:844f6000 [ 1342.535297][ T32] r4:00000001 [ 1342.535321][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.535518][ T32] Exception stack(0xec5edfb0 to 0xec5edff8) [ 1342.535550][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.535579][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.535631][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.535757][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.535783][ T32] r4:857dafc0 [ 1342.536271][ T32] INFO: task kworker/1:837:5624 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.536363][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.536455][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.536501][ T32] Call trace: [ 1342.536879][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.537080][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.537154][ T32] r4:00000000 [ 1342.537176][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.537220][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.537249][ T32] 9d20: e40d0000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.537278][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.537321][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.537380][ T32] r5:80070013 r4:80239bb0 [ 1342.537405][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.537506][ T32] r4:82ac11a4 [ 1342.537530][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.537577][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.537618][ T32] r4:e47b9dc0 [ 1342.537647][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.537744][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.537852][ T32] r4:00000000 [ 1342.537982][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.538111][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.538137][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.538208][ T32] r5:00001000 r4:ece91000 [ 1342.538265][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.538389][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.538504][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.538564][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.538670][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.538722][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.538847][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.538910][ T32] r4:8454d780 [ 1342.538960][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.539058][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.539122][ T32] r4:00000001 [ 1342.539169][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.539253][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.539328][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.539396][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.539465][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.539531][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.539608][ T32] r4:84e5a340 [ 1342.539678][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.566110][ T32] INFO: task kworker/0:407:5627 blocked for more than 469 seconds. [ 1342.566392][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.566462][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.566514][ T32] task:kworker/0:407 state:D stack:0 pid:5627 tgid:5627 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.566637][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.566776][ T32] Call trace: [ 1342.566861][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.566990][ T32] r10:8291880c r9:ec5cdd84 r8:00000002 r7:60000113 r6:ec5cdd8c r5:844f6c00 ** 5 printk messages dropped ** [ 1342.567550][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5cde08 ** 7 printk messages dropped ** [ 1342.568191][ T32] r9:83018005 r8:844f6c00 r7:00000000 r6:83018000 r5:00001000 r4:7f05b000 ** 10 printk messages dropped ** [ 1342.569089][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1342.569696][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1342.586813][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1342.587546][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1342.587829][ T32] r4:e47b9dc0 [ 1342.587904][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.588035][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.588122][ T32] r4:00000000 [ 1342.588197][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.588328][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.588402][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.588505][ T32] r5:00001000 r4:ece91000 [ 1342.588558][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.588646][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.588756][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.588829][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.588957][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.589016][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.589124][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.589179][ T32] r4:8454d780 [ 1342.589252][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.589381][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.589439][ T32] r4:00000001 [ 1342.589508][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.589616][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.589687][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.600523][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.600680][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.600765][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.600828][ T32] r4:84e5a340 [ 1342.600885][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.600975][ T32] INFO: task kworker/1:838:5628 blocked for more than 469 seconds. [ 1342.601058][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.601122][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.601175][ T32] task:kworker/1:838 state:D stack:0 pid:5628 tgid:5628 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.601300][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.601474][ T32] Call trace: [ 1342.601561][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.601681][ T32] r10:8291880c r9:ec5f1d84 r8:00000002 r7:60000013 r6:ec5f1d8c r5:847c0000 [ 1342.601735][ T32] r4:847c0000 [ 1342.601802][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.601933][ T32] r5:847c0000 r4:82918808 [ 1342.601990][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.602087][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.602206][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5f1e08 [ 1342.602265][ T32] r4:00000000 [ 1342.602324][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.602414][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.602510][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.602613][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d70c0 [ 1342.602668][ T32] r4:00000000 [ 1342.602742][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.602875][ T32] r9:83018205 r8:847c0000 r7:00000000 r6:83018200 r5:00001000 r4:7f055000 [ 1342.602938][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.603035][ T32] r5:00001000 r4:eb7ab000 [ 1342.603105][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.603207][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.603316][ T32] r5:8576438c r4:85764000 [ 1342.603401][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.603515][ T32] r7:ddde2d80 r6:83018200 r5:8576438c r4:857dc780 [ 1342.603571][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.603699][ T32] r10:61c88647 r9:847c0000 r8:857dc7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.603756][ T32] r4:857dc780 [ 1342.603803][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.603906][ T32] r10:00000000 r9:857dc780 r8:8027f5e8 r7:ec5e9e60 r6:85688f00 r5:847c0000 [ 1342.603963][ T32] r4:00000001 [ 1342.604012][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.604122][ T32] Exception stack(0xec5f1fb0 to 0xec5f1ff8) [ 1342.604193][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1342.604263][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.604414][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.604495][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.604550][ T32] r4:857d7000 [ 1342.605435][ T32] INFO: task kworker/1:838:5628 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.605528][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.605681][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.605809][ T32] Call trace: [ 1342.605911][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.606028][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.606089][ T32] r4:00000000 [ 1342.606151][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 1 printk messages dropped ** [ 1342.607249][ T32] 9d20: e4657000 e8845000 00000001 80239b98 7f1c9000 00000001 ** 7 printk messages dropped ** [ 1342.607926][ T32] r4:e47b9dc0 ** 5 printk messages dropped ** [ 1342.608386][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1342.608700][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.608816][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.608871][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.608974][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.609123][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.609249][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.609332][ T32] r4:8454d780 [ 1342.609382][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.609483][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.609537][ T32] r4:00000001 [ 1342.609598][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.609685][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.609810][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.650749][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.650879][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.650991][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.651061][ T32] r4:84e5a340 [ 1342.651130][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.651217][ T32] INFO: task kworker/1:839:5631 blocked for more than 469 seconds. [ 1342.651318][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.651384][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.651436][ T32] task:kworker/1:839 state:D stack:0 pid:5631 tgid:5631 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 7 printk messages dropped ** [ 1342.652237][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1342.653161][ T32] r9:83018205 r8:847c0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f09b000 ** 12 printk messages dropped ** [ 1342.654255][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1342.654514][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1342.656151][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1342.656459][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1342.656545][ T32] r4:e47b9dc0 ** 8 printk messages dropped ** [ 1342.656964][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1342.657692][ T32] r4:8454d780 [ 1342.657717][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1342.658091][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 6 printk messages dropped ** [ 1342.658455][ T32] INFO: task kworker/1:840:5632 blocked for more than 469 seconds. [ 1342.658487][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.658510][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.658762][ T32] task:kworker/1:840 state:D stack:0 pid:5632 tgid:5632 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.658880][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.658997][ T32] Call trace: [ 1342.659032][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.659118][ T32] r10:8291880c r9:ec5f9d84 r8:00000002 r7:60000113 r6:ec5f9d8c r5:847c1800 [ 1342.659242][ T32] r4:847c1800 [ 1342.659265][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.659306][ T32] r5:847c1800 r4:82918808 [ 1342.659350][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.659391][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.659435][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5f9e08 [ 1342.659763][ T32] r4:00000000 [ 1342.683025][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.683119][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.683192][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.683265][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d7500 [ 1342.683312][ T32] r4:00000000 [ 1342.683350][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.683426][ T32] r9:83018205 r8:847c1800 r7:00000000 r6:83018200 r5:00001000 r4:7f059000 [ 1342.683456][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.683501][ T32] r5:00001000 r4:eb923000 [ 1342.683522][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.683588][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.683637][ T32] r5:85764b8c r4:85764800 [ 1342.683658][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.683705][ T32] r7:ddde2d80 r6:83018200 r5:85764b8c r4:857dc880 [ 1342.683726][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.683775][ T32] r10:61c88647 r9:847c1800 r8:857dc8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.683799][ T32] r4:857dc880 [ 1342.683839][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.683923][ T32] r10:00000000 r9:857dc880 r8:8027f5e8 r7:ec5f5e60 r6:857d5000 r5:847c1800 [ 1342.683949][ T32] r4:00000001 [ 1342.683969][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.684007][ T32] Exception stack(0xec5f9fb0 to 0xec5f9ff8) [ 1342.684037][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.684064][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.684118][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.684191][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.684254][ T32] r4:857d7380 [ 1342.685116][ T32] INFO: task kworker/1:840:5632 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.685229][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.685397][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.685531][ T32] Call trace: [ 1342.685612][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.685750][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.685828][ T32] r4:00000000 [ 1342.685880][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.685990][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.686079][ T32] 9d20: e4c34000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.686149][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.686235][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.686297][ T32] r5:80070013 r4:80239bb0 [ 1342.686358][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.686467][ T32] r4:82ac11a4 [ 1342.686512][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.686612][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.686669][ T32] r4:e47b9dc0 [ 1342.686739][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.686857][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 ** 3 printk messages dropped ** [ 1342.687143][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1342.687835][ T32] r4:8454d780 [ 1342.687854][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.687897][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 3 printk messages dropped ** [ 1342.688029][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1342.688401][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1342.688772][ T32] r4:847c2400 ** 4 printk messages dropped ** [ 1342.689178][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5e5e08 ** 5 printk messages dropped ** [ 1342.689659][ T32] r4:00000000 [ 1342.689761][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.712867][ T32] r9:83018205 r8:847c2400 r7:00000000 r6:83018200 r5:00001000 r4:7f05f000 [ 1342.713009][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.713152][ T32] r5:00001000 r4:ebb75000 [ 1342.713206][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.713323][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.713428][ T32] r5:85764f8c r4:85764c00 [ 1342.713507][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.713629][ T32] r7:ddde2d80 r6:83018200 r5:85764f8c r4:857dc900 [ 1342.713686][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.713795][ T32] r10:61c88647 r9:847c2400 r8:857dc92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.713853][ T32] r4:857dc900 [ 1342.713905][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.714028][ T32] r10:00000000 r9:857dc900 r8:8027f5e8 r7:ec5f5e60 r6:857d5080 r5:847c2400 [ 1342.714091][ T32] r4:00000001 [ 1342.714144][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.714256][ T32] Exception stack(0xec5e5fb0 to 0xec5e5ff8) [ 1342.714337][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1342.714405][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.714468][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.714533][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.714589][ T32] r4:857d7440 [ 1342.715458][ T32] INFO: task kworker/1:841:5634 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.715558][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1342.716127][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1342.716432][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 11 printk messages dropped ** [ 1342.717408][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 3 printk messages dropped ** [ 1342.717702][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.717797][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.717852][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.717965][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.718020][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.718127][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.718186][ T32] r4:8454d780 [ 1342.718257][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.718371][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.718453][ T32] r4:00000001 [ 1342.718516][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.718618][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.718686][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.718754][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.718814][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.718876][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.718926][ T32] r4:84e5a340 ** 2 printk messages dropped ** [ 1342.719144][ T32] Not tainted 6.15.0-syzkaller #0 ** 9 printk messages dropped ** [ 1342.731013][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 15 printk messages dropped ** [ 1342.732381][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 14 printk messages dropped ** [ 1342.734411][ T32] INFO: task kworker/0:408:5636 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 10 printk messages dropped ** [ 1342.735387][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.735451][ T32] r5:80070013 r4:80239bb0 [ 1342.735500][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.735596][ T32] r4:82ac11a4 [ 1342.735643][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.735745][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.735813][ T32] r4:e47b9dc0 [ 1342.735865][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.735958][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.736012][ T32] r4:00000000 [ 1342.736061][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.736162][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.736215][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.736319][ T32] r5:00001000 r4:ece91000 [ 1342.736370][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.736460][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.736595][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.736653][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.736757][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.736806][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.736908][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.736961][ T32] r4:8454d780 [ 1342.737008][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.737107][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.737162][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1342.737392][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1342.737928][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 7 printk messages dropped ** [ 1342.738632][ T32] r5:847c4800 r4:82918808 ** 3 printk messages dropped ** [ 1342.738916][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1342.739319][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1342.775134][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1342.776061][ T32] Exception stack(0xec605fb0 to 0xec605ff8) ** 5 printk messages dropped ** [ 1342.777272][ T32] INFO: task kworker/1:842:5639 is blocked on a mutex likely owned by task kworker/1:171:3869. ** 13 printk messages dropped ** [ 1342.778532][ T32] r4:82ac11a4 ** 12 printk messages dropped ** [ 1342.779599][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1342.791034][ T32] r4:8454d780 ** 4 printk messages dropped ** [ 1342.791427][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 7 printk messages dropped ** [ 1342.791943][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.791999][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.792075][ T32] task:kworker/1:843 state:D stack:0 pid:5642 tgid:5642 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.792242][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.792357][ T32] Call trace: [ 1342.792434][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.792550][ T32] r10:8291880c r9:ec611d84 r8:00000002 r7:60000113 r6:ec611d8c r5:847c3c00 [ 1342.792606][ T32] r4:847c3c00 [ 1342.792654][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.792763][ T32] r5:847c3c00 r4:82918808 [ 1342.792818][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.792903][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.792995][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec611e08 [ 1342.793051][ T32] r4:00000000 [ 1342.793126][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.793220][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.793323][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.793428][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d7d40 [ 1342.793501][ T32] r4:00000000 [ 1342.793555][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.793681][ T32] r9:83018205 r8:847c3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1342.793739][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.793829][ T32] r5:00001000 r4:ec3e7000 [ 1342.793878][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.793966][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.794055][ T32] r5:8576638c r4:85766000 [ 1342.794105][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.794253][ T32] r7:ddde2d80 r6:83018200 r5:8576638c r4:857dca00 [ 1342.794325][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.794431][ T32] r10:61c88647 r9:847c3c00 r8:857dca2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.794490][ T32] r4:857dca00 [ 1342.794538][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.794638][ T32] r10:00000000 r9:857dca00 r8:8027f5e8 r7:ec5f5e60 r6:857d5280 r5:847c3c00 [ 1342.794692][ T32] r4:00000001 [ 1342.794751][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.794839][ T32] Exception stack(0xec611fb0 to 0xec611ff8) [ 1342.794900][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1342.794991][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.795063][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.795131][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.795186][ T32] r4:857d7740 [ 1342.796072][ T32] INFO: task kworker/1:843:5642 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.796149][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.796296][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.796419][ T32] Call trace: [ 1342.796491][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.796592][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.796644][ T32] r4:00000000 [ 1342.796688][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.796777][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.796843][ T32] 9d20: e51da000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.796930][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.796992][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.797130][ T32] r5:80070013 r4:80239bb0 [ 1342.797259][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.797379][ T32] r4:82ac11a4 ** 1 printk messages dropped ** [ 1342.797558][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 3 printk messages dropped ** [ 1342.797829][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1342.798045][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1342.798652][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 2 printk messages dropped ** [ 1342.798913][ T32] r4:8454d780 [ 1342.798961][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.799060][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.799118][ T32] r4:00000001 [ 1342.799165][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.799247][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.799307][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1342.799534][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 4 printk messages dropped ** [ 1342.827530][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 4 printk messages dropped ** [ 1342.828128][ T32] r10:8291880c r9:ec615d84 r8:00000002 r7:60000013 r6:ec615d8c r5:847c6c00 ** 2 printk messages dropped ** [ 1342.828355][ T32] r5:847c6c00 r4:82918808 [ 1342.828425][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.828515][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.828620][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec615e08 [ 1342.828677][ T32] r4:00000000 [ 1342.828726][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.828814][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.828910][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.829003][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d7a80 [ 1342.829055][ T32] r4:00000000 [ 1342.829107][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.829237][ T32] r9:83018205 r8:847c6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f09d000 [ 1342.829320][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.829443][ T32] r5:00001000 r4:ec3b3000 [ 1342.829503][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.829617][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.829777][ T32] r5:85765b8c r4:85765800 [ 1342.845062][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.845236][ T32] r7:ddde2d80 r6:83018200 r5:85765b8c r4:857dca80 [ 1342.845296][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.845415][ T32] r10:61c88647 r9:847c6c00 r8:857dcaac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.845474][ T32] r4:857dca80 [ 1342.845528][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.845631][ T32] r10:00000000 r9:857dca80 r8:8027f5e8 r7:ec611e60 r6:857d5300 r5:847c6c00 [ 1342.845684][ T32] r4:00000001 [ 1342.845731][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.845812][ T32] Exception stack(0xec615fb0 to 0xec615ff8) [ 1342.845902][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1342.845984][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.846049][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.846158][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.846250][ T32] r4:857d7740 [ 1342.847163][ T32] INFO: task kworker/1:844:5643 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.847248][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.847406][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.847510][ T32] Call trace: [ 1342.847589][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.847697][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.847754][ T32] r4:00000000 [ 1342.847816][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.847924][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.848018][ T32] 9d20: e56bc000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.848104][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.848218][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.848301][ T32] r5:80070013 r4:80239bb0 [ 1342.848372][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.848476][ T32] r4:82ac11a4 [ 1342.848547][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.848653][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.848719][ T32] r4:e47b9dc0 [ 1342.848775][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.848870][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.848939][ T32] r4:00000000 [ 1342.848991][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1342.849244][ T32] r5:00001000 r4:ece91000 ** 1 printk messages dropped ** [ 1342.849406][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.849503][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.849554][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.849659][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.849708][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.861719][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.861824][ T32] r4:8454d780 [ 1342.861900][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.862049][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.862113][ T32] r4:00000001 [ 1342.862164][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.862275][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.862353][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.862421][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.862486][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.862575][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.862667][ T32] r4:84e5a340 [ 1342.862734][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.862834][ T32] INFO: task kworker/1:845:5645 blocked for more than 469 seconds. [ 1342.862917][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.862976][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.863026][ T32] task:kworker/1:845 state:D stack:0 pid:5645 tgid:5645 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.863167][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.863269][ T32] Call trace: [ 1342.863361][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.863493][ T32] r10:8291880c r9:ec5fdd84 r8:00000002 r7:60000113 r6:ec5fdd8c r5:856fe000 [ 1342.863556][ T32] r4:856fe000 [ 1342.863609][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.863701][ T32] r5:856fe000 r4:82918808 [ 1342.863749][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.863837][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.863934][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec5fde08 [ 1342.864111][ T32] r4:00000000 [ 1342.864170][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.864253][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.864358][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.864456][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d7bc0 [ 1342.864511][ T32] r4:00000000 [ 1342.864558][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.864656][ T32] r9:83018205 r8:856fe000 r7:00000000 r6:83018200 r5:00001000 r4:7f09f000 [ 1342.864724][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.864820][ T32] r5:00001000 r4:ec3c5000 [ 1342.864892][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.865002][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.865100][ T32] r5:85765f8c r4:85765c00 [ 1342.865168][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.865318][ T32] r7:ddde2d80 r6:83018200 r5:85765f8c r4:857dcb00 [ 1342.865384][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.865486][ T32] r10:61c88647 r9:856fe000 r8:857dcb2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.865541][ T32] r4:857dcb00 [ 1342.865590][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.865686][ T32] r10:00000000 r9:857dcb00 r8:8027f5e8 r7:ec611e60 r6:857dcb80 r5:856fe000 [ 1342.865738][ T32] r4:00000001 [ 1342.865785][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.865867][ T32] Exception stack(0xec5fdfb0 to 0xec5fdff8) [ 1342.865927][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.866010][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.866079][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.866146][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.866244][ T32] r4:857d7900 [ 1342.867121][ T32] INFO: task kworker/1:845:5645 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.867208][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.867343][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.867440][ T32] Call trace: [ 1342.867512][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.867620][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 4 printk messages dropped ** [ 1342.868016][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 12 printk messages dropped ** [ 1342.868993][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1342.890495][ T32] r4:8454d780 [ 1342.890591][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.890662][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 3 printk messages dropped ** [ 1342.890907][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1342.891440][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1342.892374][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1342.892904][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d74c0 [ 1342.892954][ T32] r4:00000000 [ 1342.893001][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.893107][ T32] r9:83018205 r8:856fbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1342.893166][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.893316][ T32] r5:00001000 r4:ec405000 [ 1342.893375][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.893469][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.893565][ T32] r5:85766b8c r4:85766800 [ 1342.893618][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.893716][ T32] r7:ddde2d80 r6:83018200 r5:85766b8c r4:857dcc00 [ 1342.893766][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.893867][ T32] r10:61c88647 r9:856fbc00 r8:857dcc2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.893925][ T32] r4:857dcc00 [ 1342.893970][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.894066][ T32] r10:00000000 r9:857dcc00 r8:8027f5e8 r7:ec611e60 r6:857dcc80 r5:856fbc00 [ 1342.894119][ T32] r4:00000001 [ 1342.894164][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.894273][ T32] Exception stack(0xec61dfb0 to 0xec61dff8) [ 1342.894354][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.894424][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.894489][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.894557][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.894611][ T32] r4:857d7a40 [ 1342.895488][ T32] INFO: task kworker/1:846:5648 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.895596][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.895758][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.895860][ T32] Call trace: [ 1342.895934][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.896040][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 2 printk messages dropped ** [ 1342.896319][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 7 printk messages dropped ** [ 1342.896989][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 ** 9 printk messages dropped ** [ 1342.897608][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1342.898054][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1342.898235][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1342.898396][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1342.898562][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1342.898841][ T32] r10:8291880c r9:ec629d84 r8:00000002 r7:60000113 r6:ec629d8c r5:85798000 ** 5 printk messages dropped ** [ 1342.899082][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec629e08 ** 4 printk messages dropped ** [ 1342.899303][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d7ec0 ** 8 printk messages dropped ** [ 1342.934009][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 4 printk messages dropped ** [ 1342.934557][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.934654][ T32] r10:00000000 r9:857dcd00 r8:8027f5e8 r7:ec61de60 r6:857d5380 r5:85798000 [ 1342.934707][ T32] r4:00000001 [ 1342.934754][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.934840][ T32] Exception stack(0xec629fb0 to 0xec629ff8) [ 1342.934909][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.934996][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.935067][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.935144][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.935200][ T32] r4:857d7a40 [ 1342.936113][ T32] INFO: task kworker/1:847:5650 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1342.936224][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.936406][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.936547][ T32] Call trace: [ 1342.936650][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1342.936781][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1342.936846][ T32] r4:00000000 [ 1342.936897][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1342.936984][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1342.937077][ T32] 9d20: e5c33000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1342.937170][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1342.937246][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.937313][ T32] r5:80070013 r4:80239bb0 [ 1342.937363][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.937470][ T32] r4:82ac11a4 [ 1342.937517][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.937620][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.937672][ T32] r4:e47b9dc0 [ 1342.937717][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.937778][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.937801][ T32] r4:00000000 [ 1342.937820][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.937865][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.937889][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.937929][ T32] r5:00001000 r4:ece91000 [ 1342.937949][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.938005][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.938053][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.938079][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.938124][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.938145][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.938243][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.938273][ T32] r4:8454d780 [ 1342.938307][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.938375][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.938426][ T32] r4:00000001 [ 1342.938448][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.938486][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.938538][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.938576][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.938605][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.938634][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.938656][ T32] r4:84e5a340 [ 1342.938676][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.938704][ T32] INFO: task kworker/1:848:5652 blocked for more than 469 seconds. ** 1 printk messages dropped ** [ 1342.938788][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.938814][ T32] task:kworker/1:848 state:D stack:0 pid:5652 tgid:5652 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.938858][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.938899][ T32] Call trace: [ 1342.938984][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.939063][ T32] r10:8291880c r9:ec631d84 r8:00000002 r7:60000113 r6:ec631d8c r5:8579a400 [ 1342.939100][ T32] r4:8579a400 [ 1342.939125][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.939167][ T32] r5:8579a400 r4:82918808 [ 1342.939186][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.939223][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.939263][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec631e08 [ 1342.939285][ T32] r4:00000000 [ 1342.939331][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.939397][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.939462][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.939510][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e7040 [ 1342.939581][ T32] r4:00000000 [ 1342.939604][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.939674][ T32] r9:83018205 r8:8579a400 r7:00000000 r6:83018200 r5:00001000 r4:7f0b5000 [ 1342.939788][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.952800][ T32] r5:00001000 r4:ec431000 [ 1342.952918][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.953052][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.953152][ T32] r5:8576778c r4:85767400 [ 1342.953217][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.953347][ T32] r7:ddde2d80 r6:83018200 r5:8576778c r4:857dcd80 [ 1342.953405][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.953508][ T32] r10:61c88647 r9:8579a400 r8:857dcdac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1342.953710][ T32] r10:00000000 r9:857dcd80 r8:8027f5e8 r7:ec61de60 r6:857d5400 r5:8579a400 ** 7 printk messages dropped ** [ 1342.954257][ T32] r4:857d7cc0 ** 1 printk messages dropped ** [ 1342.955222][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1342.955919][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 2 printk messages dropped ** [ 1342.956160][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1342.956221][ T32] r5:80070013 r4:80239bb0 [ 1342.956274][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1342.956396][ T32] r4:82ac11a4 [ 1342.956459][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1342.956568][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1342.956624][ T32] r4:e47b9dc0 [ 1342.956675][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.956772][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.956827][ T32] r4:00000000 [ 1342.956874][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.956976][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.957029][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.957137][ T32] r5:00001000 r4:ece91000 [ 1342.957204][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.957301][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.957397][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.957468][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.957594][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.957646][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.957751][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.957809][ T32] r4:8454d780 [ 1342.957858][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.957965][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.958039][ T32] r4:00000001 [ 1342.958102][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.958207][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.958274][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.958344][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.958430][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.958506][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.958564][ T32] r4:84e5a340 [ 1342.958621][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.958687][ T32] INFO: task kworker/1:849:5653 blocked for more than 469 seconds. [ 1342.958771][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.958840][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.958895][ T32] task:kworker/1:849 state:D stack:0 pid:5653 tgid:5653 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.959008][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.959133][ T32] Call trace: [ 1342.959207][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.959313][ T32] r10:8291880c r9:ec635d84 r8:00000002 r7:60000013 r6:ec635d8c r5:85798c00 [ 1342.959369][ T32] r4:85798c00 [ 1342.959424][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.959523][ T32] r5:85798c00 r4:82918808 [ 1342.959573][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.959667][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.980449][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec635e08 [ 1342.980638][ T32] r4:00000000 [ 1342.980696][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.980819][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.980924][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1342.981101][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1342.981311][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 4 printk messages dropped ** [ 1342.981795][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 4 printk messages dropped ** [ 1342.982184][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 5 printk messages dropped ** [ 1342.982674][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1342.982885][ T32] r4:857d7e80 ** 1 printk messages dropped ** [ 1342.983926][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1342.984655][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) ** 2 printk messages dropped ** [ 1342.984930][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff ** 2 printk messages dropped ** [ 1342.985177][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1342.985391][ T32] r4:e47b9dc0 [ 1342.985442][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.985541][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1342.985597][ T32] r4:00000000 [ 1342.985646][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.985746][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1342.985798][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.985894][ T32] r5:00001000 r4:ece91000 [ 1342.985942][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.986031][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.986133][ T32] r5:85a7af8c r4:85a7ac00 [ 1342.986185][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.986313][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1342.986367][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.986493][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.986555][ T32] r4:8454d780 [ 1342.986623][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.986734][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1342.986813][ T32] r4:00000001 [ 1342.986869][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.986959][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1342.987023][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1342.987101][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1342.987168][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1342.987237][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1342.987310][ T32] r4:84e5a340 [ 1342.987406][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1342.987498][ T32] INFO: task kworker/1:850:5655 blocked for more than 469 seconds. [ 1342.987579][ T32] Not tainted 6.15.0-syzkaller #0 [ 1342.987636][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1342.987688][ T32] task:kworker/1:850 state:D stack:0 pid:5655 tgid:5655 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1342.987782][ T32] Workqueue: events bpf_prog_free_deferred [ 1342.987869][ T32] Call trace: [ 1342.987934][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1342.988062][ T32] r10:8291880c r9:ec63dd84 r8:00000002 r7:60000113 r6:ec63dd8c r5:85799800 [ 1342.988111][ T32] r4:85799800 [ 1342.988133][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1342.988174][ T32] r5:85799800 r4:82918808 [ 1342.988195][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1342.988230][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1342.988271][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec63de08 [ 1342.988293][ T32] r4:00000000 [ 1342.988341][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1342.988477][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1342.988520][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1342.988601][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857d6700 [ 1342.988663][ T32] r4:00000000 [ 1342.988686][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1342.988731][ T32] r9:83018205 r8:85799800 r7:00000000 r6:83018200 r5:00001000 r4:7f0b3000 [ 1342.988754][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1342.988820][ T32] r5:00001000 r4:ec423000 [ 1342.988843][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1342.988882][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1342.988922][ T32] r5:8576738c r4:85767000 [ 1342.988942][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1342.989010][ T32] r7:ddde2d80 r6:83018200 r5:8576738c r4:857dce80 [ 1342.989035][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1342.989112][ T32] r10:61c88647 r9:85799800 r8:857dceac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1342.989138][ T32] r4:857dce80 [ 1342.989294][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1342.989362][ T32] r10:00000000 r9:857dce80 r8:8027f5e8 r7:ec631e60 r6:857d5500 r5:85799800 [ 1342.989438][ T32] r4:00000001 [ 1342.989473][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1342.989578][ T32] Exception stack(0xec63dfb0 to 0xec63dff8) [ 1342.989661][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1342.989789][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.023867][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.023988][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.024052][ T32] r4:857d65c0 [ 1343.024819][ T32] INFO: task kworker/1:850:5655 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.024870][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.024945][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.025010][ T32] Call trace: [ 1343.025043][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.025106][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.025129][ T32] r4:00000000 [ 1343.025149][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.025188][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.025215][ T32] 9d20: e641c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.025245][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.025269][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.025294][ T32] r5:80070013 r4:80239bb0 [ 1343.025313][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.025382][ T32] r4:82ac11a4 [ 1343.025408][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.025456][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.025556][ T32] r4:e47b9dc0 [ 1343.025584][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1343.025903][ T32] r5:00001000 r4:ece91000 ** 5 printk messages dropped ** [ 1343.026267][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 1 printk messages dropped ** [ 1343.026342][ T32] r4:8454d780 [ 1343.026362][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1343.026480][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) ** 1 printk messages dropped ** [ 1343.026536][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.026561][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.026590][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.026642][ T32] r4:84e5a340 [ 1343.026668][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.026697][ T32] INFO: task kworker/1:851:5657 blocked for more than 469 seconds. [ 1343.026731][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.026757][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.026777][ T32] task:kworker/1:851 state:D stack:0 pid:5657 tgid:5657 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.026821][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.026880][ T32] Call trace: [ 1343.026941][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.026993][ T32] r10:8291880c r9:ec645d84 r8:00000002 r7:60000113 r6:ec645d8c r5:8579c800 [ 1343.027039][ T32] r4:8579c800 [ 1343.027064][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.027143][ T32] r5:8579c800 r4:82918808 [ 1343.027212][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.027312][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.027416][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec645e08 [ 1343.027475][ T32] r4:00000000 [ 1343.027523][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.027608][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.027718][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.027823][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e7940 [ 1343.027878][ T32] r4:00000000 [ 1343.027932][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.028059][ T32] r9:83018205 r8:8579c800 r7:00000000 r6:83018200 r5:00001000 r4:7f0c1000 [ 1343.028123][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.028216][ T32] r5:00001000 r4:ec677000 [ 1343.028263][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.028351][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.028448][ T32] r5:8576cf8c r4:8576cc00 [ 1343.028497][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.028603][ T32] r7:ddde2d80 r6:83018200 r5:8576cf8c r4:857dcf00 [ 1343.028657][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.028759][ T32] r10:61c88647 r9:8579c800 r8:857dcf2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.028809][ T32] r4:857dcf00 [ 1343.028855][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.028954][ T32] r10:00000000 r9:857dcf00 r8:8027f5e8 r7:ec631e60 r6:857d5580 r5:8579c800 [ 1343.029005][ T32] r4:00000001 [ 1343.029052][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.029148][ T32] Exception stack(0xec645fb0 to 0xec645ff8) [ 1343.029223][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1343.029296][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.029367][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.029436][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.029491][ T32] r4:857d65c0 [ 1343.038651][ T32] INFO: task kworker/1:851:5657 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.038772][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.038881][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.038942][ T32] Call trace: [ 1343.038976][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.039032][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.039057][ T32] r4:00000000 [ 1343.039083][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.039122][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.039165][ T32] 9d20: e641c000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.039199][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.039239][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.039316][ T32] r5:80070013 r4:80239bb0 [ 1343.039379][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.039487][ T32] r4:82ac11a4 [ 1343.039538][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.039653][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.039709][ T32] r4:e47b9dc0 [ 1343.050269][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.050405][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.050434][ T32] r4:00000000 [ 1343.050486][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.050566][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.050612][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.050687][ T32] r5:00001000 r4:ece91000 [ 1343.050736][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.050779][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.050835][ T32] r5:85a7af8c r4:85a7ac00 ** 4 printk messages dropped ** [ 1343.051269][ T32] r4:8454d780 [ 1343.051340][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.051468][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.051551][ T32] r4:00000001 [ 1343.051608][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 1 printk messages dropped ** [ 1343.051764][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1343.052216][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1343.052923][ T32] r10:8291880c r9:ec649d84 r8:00000002 r7:60000113 r6:ec649d8c r5:8579b000 ** 8 printk messages dropped ** [ 1343.053627][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 7 printk messages dropped ** [ 1343.054316][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 13 printk messages dropped ** [ 1343.055399][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.055487][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.055562][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.055617][ T32] r4:857d9880 [ 1343.056493][ T32] INFO: task kworker/0:409:5658 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.056584][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.056744][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.056848][ T32] Call trace: [ 1343.056920][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.057047][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.057135][ T32] r4:00000000 [ 1343.057206][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.057297][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.057364][ T32] 9d20: e6580000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.057433][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.057492][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.057568][ T32] r5:80070013 r4:80239bb0 [ 1343.057626][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.057747][ T32] r4:82ac11a4 [ 1343.057804][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.057928][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.057989][ T32] r4:e47b9dc0 [ 1343.058039][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.058147][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.058224][ T32] r4:00000000 [ 1343.058273][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.058375][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.058448][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.058556][ T32] r5:00001000 r4:ece91000 [ 1343.058607][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.058699][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.058792][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.058845][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.058946][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.058992][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.059095][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.059150][ T32] r4:8454d780 [ 1343.059196][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.059290][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.059342][ T32] r4:00000001 [ 1343.059391][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.059468][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.059528][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.059621][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.059697][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.081995][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.082180][ T32] r4:84e5a340 [ 1343.082272][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.082341][ T32] INFO: task kworker/1:852:5660 blocked for more than 469 seconds. [ 1343.082431][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.082493][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.082546][ T32] task:kworker/1:852 state:D stack:0 pid:5660 tgid:5660 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.082674][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.082809][ T32] Call trace: [ 1343.082905][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.083039][ T32] r10:8291880c r9:ec651d84 r8:00000002 r7:60000113 r6:ec651d8c r5:8579e000 [ 1343.083121][ T32] r4:8579e000 [ 1343.083176][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.083274][ T32] r5:8579e000 r4:82918808 [ 1343.083330][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.083422][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.083520][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec651e08 [ 1343.083575][ T32] r4:00000000 [ 1343.083646][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.083755][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.083856][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.083964][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e7280 [ 1343.084025][ T32] r4:00000000 [ 1343.084083][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.084195][ T32] r9:83018205 r8:8579e000 r7:00000000 r6:83018200 r5:00001000 r4:7f0b7000 [ 1343.084274][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.084379][ T32] r5:00001000 r4:ec43f000 [ 1343.084470][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.084572][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.084679][ T32] r5:85767b8c r4:85767800 [ 1343.084733][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.084842][ T32] r7:ddde2d80 r6:83018200 r5:85767b8c r4:857dcf80 [ 1343.084893][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.084999][ T32] r10:61c88647 r9:8579e000 r8:857dcfac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.085079][ T32] r4:857dcf80 [ 1343.085138][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.085245][ T32] r10:00000000 r9:857dcf80 r8:8027f5e8 r7:ec645e60 r6:857d5700 r5:8579e000 [ 1343.085299][ T32] r4:00000001 [ 1343.085344][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.085431][ T32] Exception stack(0xec651fb0 to 0xec651ff8) [ 1343.085493][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1343.085563][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.085626][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.085689][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1343.087225][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1343.087851][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1343.088482][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 ** 6 printk messages dropped ** [ 1343.089081][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 ** 2 printk messages dropped ** [ 1343.089323][ T32] r4:8454d780 [ 1343.089370][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1343.089710][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.111103][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.111243][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.111319][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.111403][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.111463][ T32] r4:84e5a340 [ 1343.111521][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.111604][ T32] INFO: task kworker/1:853:5662 blocked for more than 469 seconds. [ 1343.111683][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.111743][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.111796][ T32] task:kworker/1:853 state:D stack:0 pid:5662 tgid:5662 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.111917][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.112044][ T32] Call trace: [ 1343.112134][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.112292][ T32] r10:8291880c r9:ec659d84 r8:00000002 r7:60000113 r6:ec659d8c r5:8579ec00 [ 1343.112352][ T32] r4:8579ec00 [ 1343.112402][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.112498][ T32] r5:8579ec00 r4:82918808 [ 1343.112550][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.112637][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.112740][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec659e08 [ 1343.112802][ T32] r4:00000000 [ 1343.112853][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.112945][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.113043][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.113149][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e7440 [ 1343.113205][ T32] r4:00000000 [ 1343.113255][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.113361][ T32] r9:83018205 r8:8579ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f0b9000 [ 1343.113416][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.113510][ T32] r5:00001000 r4:ec453000 [ 1343.113563][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.113654][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.113755][ T32] r5:85767f8c r4:85767c00 [ 1343.113808][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.113913][ T32] r7:ddde2d80 r6:83018200 r5:85767f8c r4:857ed000 [ 1343.113966][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.114085][ T32] r10:61c88647 r9:8579ec00 r8:857ed02c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.114145][ T32] r4:857ed000 [ 1343.114218][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.114329][ T32] r10:00000000 r9:857ed000 r8:8027f5e8 r7:ec645e60 r6:857d5780 r5:8579ec00 [ 1343.114385][ T32] r4:00000001 [ 1343.114456][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.114559][ T32] Exception stack(0xec659fb0 to 0xec659ff8) [ 1343.114627][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.114698][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.114768][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.114838][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.114893][ T32] r4:857e7100 [ 1343.115740][ T32] INFO: task kworker/1:853:5662 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.115792][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.115891][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.115943][ T32] Call trace: [ 1343.115974][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.116038][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.116066][ T32] r4:00000000 [ 1343.116093][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.116131][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.116158][ T32] 9d20: e6964000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.116187][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.116215][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.116272][ T32] r5:80070013 r4:80239bb0 [ 1343.116322][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.116427][ T32] r4:82ac11a4 [ 1343.116503][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.116618][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.116672][ T32] r4:e47b9dc0 [ 1343.116722][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.116825][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.116882][ T32] r4:00000000 [ 1343.116949][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.117083][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.117143][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.117241][ T32] r5:00001000 r4:ece91000 [ 1343.117290][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.117380][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.117476][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.117528][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.117635][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.117690][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.117799][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.117852][ T32] r4:8454d780 [ 1343.117902][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.118004][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.118061][ T32] r4:00000001 [ 1343.118119][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.118171][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.118240][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.118303][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.118335][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.118364][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.118388][ T32] r4:84e5a340 [ 1343.118430][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.118461][ T32] INFO: task kworker/1:854:5665 blocked for more than 469 seconds. [ 1343.118495][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.118520][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.118541][ T32] task:kworker/1:854 state:D stack:0 pid:5665 tgid:5665 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.118587][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.118626][ T32] Call trace: [ 1343.118655][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.118702][ T32] r10:8291880c r9:ec665d84 r8:00000002 r7:60000113 r6:ec665d8c r5:847c5400 [ 1343.118724][ T32] r4:847c5400 [ 1343.118755][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.118801][ T32] r5:847c5400 r4:82918808 [ 1343.118821][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.118856][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.118921][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec665e08 [ 1343.118947][ T32] r4:00000000 [ 1343.118966][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.119000][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.119038][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.119085][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e7540 [ 1343.119108][ T32] r4:00000000 [ 1343.119128][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.119172][ T32] r9:83018205 r8:847c5400 r7:00000000 r6:83018200 r5:00001000 r4:7f0bb000 [ 1343.119193][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.119232][ T32] r5:00001000 r4:ec461000 [ 1343.119250][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.119287][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.119354][ T32] r5:8576c38c r4:8576c000 [ 1343.119377][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.119421][ T32] r7:ddde2d80 r6:83018200 r5:8576c38c r4:857ed080 [ 1343.119441][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.119486][ T32] r10:61c88647 r9:847c5400 r8:857ed0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.119508][ T32] r4:857ed080 [ 1343.119527][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.119570][ T32] r10:00000000 r9:857ed080 r8:8027f5e8 r7:ec645e60 r6:857d5800 r5:847c5400 [ 1343.119592][ T32] r4:00000001 [ 1343.119610][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.119644][ T32] Exception stack(0xec665fb0 to 0xec665ff8) [ 1343.119757][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1343.141520][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.141571][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.141605][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.141629][ T32] r4:857e72c0 [ 1343.142153][ T32] INFO: task kworker/1:854:5665 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.142266][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.142401][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.142515][ T32] Call trace: [ 1343.142551][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.142633][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.142663][ T32] r4:00000000 [ 1343.142684][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.142725][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.142796][ T32] 9d20: e6d49000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.142845][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.142872][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.142998][ T32] r5:80070013 r4:80239bb0 [ 1343.143024][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.143105][ T32] r4:82ac11a4 [ 1343.143131][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.143204][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.143230][ T32] r4:e47b9dc0 [ 1343.143251][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.143310][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.143341][ T32] r4:00000000 [ 1343.143362][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.143418][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.143441][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.143484][ T32] r5:00001000 r4:ece91000 [ 1343.143504][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.143543][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.143584][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.143630][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.143851][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.143915][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.144009][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.144034][ T32] r4:8454d780 [ 1343.144055][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.144104][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.144126][ T32] r4:00000001 [ 1343.144144][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.144180][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.144207][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.144235][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.144261][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.144314][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.144350][ T32] r4:84e5a340 [ 1343.144373][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.144402][ T32] INFO: task kworker/1:855:5666 blocked for more than 469 seconds. [ 1343.144436][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.144461][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.144482][ T32] task:kworker/1:855 state:D stack:0 pid:5666 tgid:5666 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.144561][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.144617][ T32] Call trace: [ 1343.144677][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.144727][ T32] r10:8291880c r9:ec669d84 r8:00000002 r7:60000013 r6:ec669d8c r5:8579d400 [ 1343.144750][ T32] r4:8579d400 [ 1343.144787][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.144830][ T32] r5:8579d400 r4:82918808 [ 1343.144850][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.144907][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.144954][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec669e08 [ 1343.144977][ T32] r4:00000000 [ 1343.144996][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.145029][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.145066][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.145117][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e7680 [ 1343.145139][ T32] r4:00000000 [ 1343.145183][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.145255][ T32] r9:83018205 r8:8579d400 r7:00000000 r6:83018200 r5:00001000 r4:7f0bd000 [ 1343.145281][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.145349][ T32] r5:00001000 r4:ec473000 [ 1343.145401][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 7 printk messages dropped ** [ 1343.145687][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1343.146229][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1343.147140][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 8 printk messages dropped ** [ 1343.147488][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1343.147634][ T32] r4:e47b9dc0 ** 2 printk messages dropped ** [ 1343.147718][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1343.147840][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1343.148019][ T32] r5:85a7af8c r4:85a7ac00 ** 2 printk messages dropped ** [ 1343.148107][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 1 printk messages dropped ** [ 1343.148174][ T32] r4:8454d780 [ 1343.148194][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.148237][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 ** 4 printk messages dropped ** [ 1343.148402][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1343.148761][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1343.149006][ T32] r5:84f50c00 r4:82918808 [ 1343.149025][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.149061][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.149107][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec675e08 [ 1343.149128][ T32] r4:00000000 [ 1343.149147][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.149204][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.149290][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.149347][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e77c0 [ 1343.149370][ T32] r4:00000000 [ 1343.149390][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.149435][ T32] r9:83018205 r8:84f50c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0bf000 [ 1343.149456][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.149521][ T32] r5:00001000 r4:ec487000 [ 1343.149571][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.149654][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.149780][ T32] r5:8576cb8c r4:8576c800 [ 1343.180296][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.180405][ T32] r7:ddde2d80 r6:83018200 r5:8576cb8c r4:857ed180 [ 1343.180431][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.180485][ T32] r10:61c88647 r9:84f50c00 r8:857ed1ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.180510][ T32] r4:857ed180 [ 1343.180531][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.180595][ T32] r10:00000000 r9:857ed180 r8:8027f5e8 r7:ec645e60 r6:857d5900 r5:84f50c00 [ 1343.180639][ T32] r4:00000001 [ 1343.180664][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.180752][ T32] Exception stack(0xec675fb0 to 0xec675ff8) [ 1343.180789][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1343.180820][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.180863][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.180904][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.180931][ T32] r4:857e7500 [ 1343.181454][ T32] INFO: task kworker/1:856:5669 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.181531][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.181631][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.181681][ T32] Call trace: [ 1343.181714][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.181764][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.181794][ T32] r4:00000000 [ 1343.181843][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.181920][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.181952][ T32] 9d20: e7487000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.181981][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.182005][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.182029][ T32] r5:80070013 r4:80239bb0 [ 1343.182048][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.182099][ T32] r4:82ac11a4 [ 1343.182119][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.182165][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.182327][ T32] r4:e47b9dc0 [ 1343.182358][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.182404][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.182427][ T32] r4:00000000 [ 1343.182461][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.182535][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.182561][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.182620][ T32] r5:00001000 r4:ece91000 [ 1343.182670][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.182762][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.182809][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.182830][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.182876][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.182898][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.182982][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.183040][ T32] r4:8454d780 [ 1343.183064][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.183117][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.183141][ T32] r4:00000001 [ 1343.183160][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.183220][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.183250][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.183310][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.183347][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.183378][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.183431][ T32] r4:84e5a340 [ 1343.183486][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.183516][ T32] INFO: task kworker/1:857:5672 blocked for more than 469 seconds. [ 1343.183550][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.183600][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.183653][ T32] task:kworker/1:857 state:D stack:0 pid:5672 tgid:5672 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.183705][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.183774][ T32] Call trace: [ 1343.183846][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.183933][ T32] r10:8291880c r9:ec689d84 r8:00000002 r7:60000013 r6:ec689d8c r5:84f51800 [ 1343.184013][ T32] r4:84f51800 [ 1343.184038][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.184084][ T32] r5:84f51800 r4:82918808 [ 1343.184104][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.184164][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.184233][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec689e08 [ 1343.184258][ T32] r4:00000000 [ 1343.184278][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.184314][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.184360][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.184418][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e7bc0 [ 1343.184446][ T32] r4:00000000 [ 1343.184471][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.184518][ T32] r9:83018205 r8:84f51800 r7:00000000 r6:83018200 r5:00001000 r4:7f0c9000 [ 1343.184541][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.184582][ T32] r5:00001000 r4:ec68f000 [ 1343.184602][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.184640][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.184681][ T32] r5:8576d78c r4:8576d400 [ 1343.184700][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.184743][ T32] r7:ddde2d80 r6:83018200 r5:8576d78c r4:857ed200 [ 1343.184763][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.184814][ T32] r10:61c88647 r9:84f51800 r8:857ed22c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.184839][ T32] r4:857ed200 [ 1343.184859][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.184903][ T32] r10:00000000 r9:857ed200 r8:8027f5e8 r7:ec645e60 r6:857d5980 r5:84f51800 [ 1343.184953][ T32] r4:00000001 [ 1343.184996][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.185056][ T32] Exception stack(0xec689fb0 to 0xec689ff8) [ 1343.185090][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.185122][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.185151][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.185182][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.185204][ T32] r4:857e7740 [ 1343.185512][ T32] INFO: task kworker/1:857:5672 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.185546][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.185603][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.185676][ T32] Call trace: [ 1343.185758][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.185820][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.185844][ T32] r4:00000000 [ 1343.185864][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.185899][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.185926][ T32] 9d20: e7487000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.185954][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.185978][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.186007][ T32] r5:80070013 r4:80239bb0 [ 1343.186056][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.186124][ T32] r4:82ac11a4 [ 1343.186147][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.186242][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.186273][ T32] r4:e47b9dc0 [ 1343.186294][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.186383][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.186422][ T32] r4:00000000 [ 1343.186446][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.186492][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.186526][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.186571][ T32] r5:00001000 r4:ece91000 [ 1343.186592][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.186632][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.186716][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.186752][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.186850][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.186891][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.186973][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.186998][ T32] r4:8454d780 [ 1343.187017][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.187059][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.187087][ T32] r4:00000001 [ 1343.187107][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.187143][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.187169][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.187199][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.187225][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.187253][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.187275][ T32] r4:84e5a340 [ 1343.187314][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.187364][ T32] INFO: task kworker/1:858:5673 blocked for more than 469 seconds. [ 1343.187423][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.187447][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.187469][ T32] task:kworker/1:858 state:D stack:0 pid:5673 tgid:5673 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.187534][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.187617][ T32] Call trace: [ 1343.187676][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.187737][ T32] r10:8291880c r9:ec68dd84 r8:00000002 r7:60000113 r6:ec68dd8c r5:84f52400 [ 1343.187778][ T32] r4:84f52400 [ 1343.187826][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.187869][ T32] r5:84f52400 r4:82918808 [ 1343.187889][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.187951][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.188071][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec68de08 [ 1343.188129][ T32] r4:00000000 [ 1343.188165][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.188205][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.188243][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.188285][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e7a80 [ 1343.188307][ T32] r4:00000000 [ 1343.188333][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.188376][ T32] r9:83018205 r8:84f52400 r7:00000000 r6:83018200 r5:00001000 r4:7f0c7000 [ 1343.188412][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.188465][ T32] r5:00001000 r4:ec67f000 [ 1343.188504][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.188583][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.188629][ T32] r5:8576d38c r4:8576d000 [ 1343.188649][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.188692][ T32] r7:ddde2d80 r6:83018200 r5:8576d38c r4:857ed280 [ 1343.188713][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.188800][ T32] r10:61c88647 r9:84f52400 r8:857ed2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.188826][ T32] r4:857ed280 [ 1343.188846][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.188889][ T32] r10:00000000 r9:857ed280 r8:8027f5e8 r7:ec689e60 r6:857d5a00 r5:84f52400 [ 1343.188924][ T32] r4:00000001 [ 1343.188947][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.189012][ T32] Exception stack(0xec68dfb0 to 0xec68dff8) [ 1343.189107][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.189184][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.189243][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.189275][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.189298][ T32] r4:857e7500 [ 1343.189614][ T32] INFO: task kworker/1:858:5673 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.189710][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.212380][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.212449][ T32] Call trace: [ 1343.212484][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.212539][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.212563][ T32] r4:00000000 [ 1343.212584][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.212625][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.212669][ T32] 9d20: e76c4000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.212702][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.212742][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.212770][ T32] r5:80070013 r4:80239bb0 [ 1343.212803][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.212855][ T32] r4:82ac11a4 [ 1343.212875][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.212922][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.212972][ T32] r4:e47b9dc0 [ 1343.213027][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.213082][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.213106][ T32] r4:00000000 [ 1343.213126][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.213171][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.213212][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.213264][ T32] r5:00001000 r4:ece91000 [ 1343.213317][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.213366][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.213436][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.213461][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.213518][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.213571][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.213621][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.213644][ T32] r4:8454d780 [ 1343.213687][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.213735][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.213784][ T32] r4:00000001 [ 1343.213839][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.213883][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.213912][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.213940][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.213967][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.214028][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.214057][ T32] r4:84e5a340 [ 1343.214086][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.214117][ T32] INFO: task kworker/1:859:5674 blocked for more than 469 seconds. [ 1343.214152][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.214175][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.214233][ T32] task:kworker/1:859 state:D stack:0 pid:5674 tgid:5674 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.214374][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.214423][ T32] Call trace: [ 1343.214455][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.214537][ T32] r10:8291880c r9:ec699d84 r8:00000002 r7:60000013 r6:ec699d8c r5:84f53000 [ 1343.214596][ T32] r4:84f53000 [ 1343.214620][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.214771][ T32] r5:84f53000 r4:82918808 [ 1343.214795][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.214832][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.214902][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec699e08 [ 1343.215075][ T32] r4:00000000 [ 1343.215099][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.215136][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.215174][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.215216][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8566d980 [ 1343.215238][ T32] r4:00000000 [ 1343.215258][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.215301][ T32] r9:83018205 r8:84f53000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1343.215327][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.215367][ T32] r5:00001000 r4:eb723000 [ 1343.215413][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.215486][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.215528][ T32] r5:8576db8c r4:8576d800 [ 1343.215548][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.215594][ T32] r7:ddde2d80 r6:83018200 r5:8576db8c r4:857ed300 [ 1343.215614][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.215658][ T32] r10:61c88647 r9:84f53000 r8:857ed32c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.215680][ T32] r4:857ed300 [ 1343.215698][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.215741][ T32] r10:00000000 r9:857ed300 r8:8027f5e8 r7:ec689e60 r6:857d5a80 r5:84f53000 [ 1343.215765][ T32] r4:00000001 [ 1343.215784][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.215860][ T32] Exception stack(0xec699fb0 to 0xec699ff8) [ 1343.215915][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.215960][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.215991][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.216019][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.216042][ T32] r4:857e7b00 [ 1343.216566][ T32] INFO: task kworker/1:859:5674 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.216604][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.216711][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.216761][ T32] Call trace: [ 1343.216792][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.216913][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.217016][ T32] r4:00000000 [ 1343.217040][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.217079][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.217111][ T32] 9d20: e76c4000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.217180][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.217210][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.217239][ T32] r5:80070013 r4:80239bb0 [ 1343.217261][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.217305][ T32] r4:82ac11a4 [ 1343.217382][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.217485][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.217511][ T32] r4:e47b9dc0 [ 1343.217530][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.217574][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.217597][ T32] r4:00000000 [ 1343.217616][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.217659][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.217681][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.217721][ T32] r5:00001000 r4:ece91000 [ 1343.217766][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.217836][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.217881][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.217901][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.217946][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.217966][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.218013][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.218036][ T32] r4:8454d780 [ 1343.218054][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.218097][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.218144][ T32] r4:00000001 [ 1343.218167][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.218239][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.218299][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.218354][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.218384][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.218438][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.218465][ T32] r4:84e5a340 [ 1343.218486][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.218537][ T32] INFO: task kworker/1:860:5677 blocked for more than 469 seconds. [ 1343.218568][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.218617][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.218643][ T32] task:kworker/1:860 state:D stack:0 pid:5677 tgid:5677 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.218794][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.218840][ T32] Call trace: [ 1343.218872][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.218971][ T32] r10:8291880c r9:ec671d84 r8:00000002 r7:60000113 r6:ec671d8c r5:84f53c00 [ 1343.219024][ T32] r4:84f53c00 [ 1343.219065][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.219144][ T32] r5:84f53c00 r4:82918808 [ 1343.219193][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.219234][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.219317][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec671e08 [ 1343.219372][ T32] r4:00000000 [ 1343.219429][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.219470][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.219510][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.219555][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e9900 [ 1343.219610][ T32] r4:00000000 [ 1343.219681][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.219782][ T32] r9:83018205 r8:84f53c00 r7:00000000 r6:83018200 r5:00001000 r4:7f07d000 [ 1343.236387][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.236476][ T32] r5:00001000 r4:eba8f000 [ 1343.236499][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.236544][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.236603][ T32] r5:8576e38c r4:8576e000 [ 1343.236631][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.236683][ T32] r7:ddde2d80 r6:83018200 r5:8576e38c r4:857ed380 [ 1343.236705][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.236777][ T32] r10:61c88647 r9:84f53c00 r8:857ed3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.236808][ T32] r4:857ed380 [ 1343.236872][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.237001][ T32] r10:00000000 r9:857ed380 r8:8027f5e8 r7:ec699e60 r6:857d5b00 r5:84f53c00 [ 1343.237061][ T32] r4:00000001 [ 1343.237168][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.237248][ T32] Exception stack(0xec671fb0 to 0xec671ff8) [ 1343.237308][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1343.237358][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.237389][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.237418][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.237441][ T32] r4:857e7c00 [ 1343.237947][ T32] INFO: task kworker/1:860:5677 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.237992][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.238084][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.238138][ T32] Call trace: [ 1343.238170][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.238259][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.238331][ T32] r4:00000000 [ 1343.238373][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.238418][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.238448][ T32] 9d20: e77f9000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.238478][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.238503][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.238526][ T32] r5:80070013 r4:80239bb0 [ 1343.238585][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.238661][ T32] r4:82ac11a4 [ 1343.238682][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.238730][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.238752][ T32] r4:e47b9dc0 [ 1343.238772][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.238816][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.238889][ T32] r4:00000000 [ 1343.238989][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.239041][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.239063][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.239114][ T32] r5:00001000 r4:ece91000 [ 1343.239163][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.239226][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.239294][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.239325][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.239401][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.239450][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.239499][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.239522][ T32] r4:8454d780 [ 1343.239543][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.239610][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.239645][ T32] r4:00000001 [ 1343.239692][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.253339][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.253410][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.253442][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.253469][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.253525][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.253576][ T32] r4:84e5a340 [ 1343.253603][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.253686][ T32] INFO: task kworker/0:410:5681 blocked for more than 469 seconds. [ 1343.253882][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.253921][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.253946][ T32] task:kworker/0:410 state:D stack:0 pid:5681 tgid:5681 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.254036][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.254099][ T32] Call trace: [ 1343.254212][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.254285][ T32] r10:8291880c r9:ec66dd84 r8:00000002 r7:60000113 r6:ec66dd8c r5:84f54800 [ 1343.254310][ T32] r4:84f54800 [ 1343.254366][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.254462][ T32] r5:84f54800 r4:82918808 [ 1343.254487][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.254525][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.254568][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec66de08 [ 1343.254590][ T32] r4:00000000 [ 1343.254608][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.254644][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.254685][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.254728][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85835400 [ 1343.254749][ T32] r4:00000000 [ 1343.254768][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.254828][ T32] r9:83018005 r8:84f54800 r7:00000000 r6:83018000 r5:00001000 r4:7f02b000 [ 1343.254854][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.254896][ T32] r5:00001000 r4:eaa39000 [ 1343.254980][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.255034][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.255081][ T32] r5:84c3978c r4:84c39400 [ 1343.255105][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.255266][ T32] r7:dddced80 r6:83018000 r5:84c3978c r4:857d5b80 [ 1343.255294][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.255350][ T32] r10:61c88647 r9:84f54800 r8:857d5bac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.255373][ T32] r4:857d5b80 [ 1343.255394][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.255458][ T32] r10:00000000 r9:857d5b80 r8:8027f5e8 r7:ec5c1e60 r6:857d5c00 r5:84f54800 [ 1343.255546][ T32] r4:00000001 [ 1343.255573][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.255664][ T32] Exception stack(0xec66dfb0 to 0xec66dff8) [ 1343.255697][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.255728][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.255780][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.255812][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.255835][ T32] r4:85835100 [ 1343.256301][ T32] INFO: task kworker/0:410:5681 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.256368][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.256505][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.256565][ T32] Call trace: [ 1343.256602][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.256651][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.256674][ T32] r4:00000000 [ 1343.256694][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.256732][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.256760][ T32] 9d20: e7c89000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.256788][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.256814][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.256838][ T32] r5:80070013 r4:80239bb0 [ 1343.256908][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.257024][ T32] r4:82ac11a4 [ 1343.257056][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.257112][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.257136][ T32] r4:e47b9dc0 [ 1343.257169][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.257223][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.257247][ T32] r4:00000000 [ 1343.257267][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.257312][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.257353][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.257400][ T32] r5:00001000 r4:ece91000 [ 1343.257421][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.257458][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.257527][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.257551][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.257598][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.257618][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.257678][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.257725][ T32] r4:8454d780 [ 1343.257748][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.257792][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.257815][ T32] r4:00000001 [ 1343.257834][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.257870][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.257909][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.257965][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.258012][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.258044][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.258087][ T32] r4:84e5a340 [ 1343.258137][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.258211][ T32] INFO: task kworker/0:411:5683 blocked for more than 469 seconds. [ 1343.258284][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.258343][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.258397][ T32] task:kworker/0:411 state:D stack:0 pid:5683 tgid:5683 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.258456][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.258536][ T32] Call trace: [ 1343.258569][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.258618][ T32] r10:8291880c r9:eb9d9d84 r8:00000002 r7:60000113 r6:eb9d9d8c r5:84f55400 [ 1343.258642][ T32] r4:84f55400 [ 1343.258661][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.258700][ T32] r5:84f55400 r4:82918808 [ 1343.258732][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.258816][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.258867][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9d9e08 [ 1343.258889][ T32] r4:00000000 [ 1343.258909][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.258948][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.259025][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.259145][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85835780 [ 1343.259183][ T32] r4:00000000 [ 1343.259238][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.259292][ T32] r9:83018005 r8:84f55400 r7:00000000 r6:83018000 r5:00001000 r4:7f02f000 [ 1343.259343][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.259419][ T32] r5:00001000 r4:eb091000 [ 1343.259445][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.259487][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.259528][ T32] r5:84c38f8c r4:84c38c00 [ 1343.259549][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.259603][ T32] r7:dddced80 r6:83018000 r5:84c38f8c r4:857d5c80 [ 1343.259656][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.259725][ T32] r10:61c88647 r9:84f55400 r8:857d5cac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.280166][ T32] r4:857d5c80 [ 1343.280247][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.280330][ T32] r10:00000000 r9:857d5c80 r8:8027f5e8 r7:ec66de60 r6:857d5d00 r5:84f55400 [ 1343.280357][ T32] r4:00000001 [ 1343.280381][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.280428][ T32] Exception stack(0xeb9d9fb0 to 0xeb9d9ff8) [ 1343.280489][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.280525][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.280554][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.280586][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.280636][ T32] r4:858352c0 [ 1343.281185][ T32] INFO: task kworker/0:411:5683 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.281233][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.281356][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.281495][ T32] Call trace: [ 1343.281552][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.281605][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.281632][ T32] r4:00000000 [ 1343.281681][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.281757][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.281792][ T32] 9d20: e8032000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.281822][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.281885][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.281914][ T32] r5:80070013 r4:80239bb0 [ 1343.281936][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.281983][ T32] r4:82ac11a4 [ 1343.282073][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.282130][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.282181][ T32] r4:e47b9dc0 [ 1343.282238][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.282324][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.282384][ T32] r4:00000000 [ 1343.282408][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.282455][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.282477][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.282570][ T32] r5:00001000 r4:ece91000 [ 1343.282598][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.282641][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.282683][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.282703][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.282761][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.282786][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.282831][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.282878][ T32] r4:8454d780 [ 1343.282901][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.282961][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.282987][ T32] r4:00000001 [ 1343.283007][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.283043][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.283091][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.283154][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.283220][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.283334][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.283363][ T32] r4:84e5a340 [ 1343.283385][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.283420][ T32] INFO: task kworker/0:412:5684 blocked for more than 469 seconds. [ 1343.283517][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.283551][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.283574][ T32] task:kworker/0:412 state:D stack:0 pid:5684 tgid:5684 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.283619][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.283663][ T32] Call trace: [ 1343.283693][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.283740][ T32] r10:8291880c r9:ec601d84 r8:00000002 r7:60000113 r6:ec601d8c r5:84f56000 [ 1343.283762][ T32] r4:84f56000 [ 1343.283797][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.283879][ T32] r5:84f56000 r4:82918808 [ 1343.283900][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.283939][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.283982][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec601e08 [ 1343.284004][ T32] r4:00000000 [ 1343.284024][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.284059][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.284101][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.284159][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85835600 [ 1343.284186][ T32] r4:00000000 [ 1343.284231][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.284278][ T32] r9:83018005 r8:84f56000 r7:00000000 r6:83018000 r5:00001000 r4:7f02d000 [ 1343.284300][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.284348][ T32] r5:00001000 r4:eaba1000 [ 1343.284368][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.284405][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1343.284670][ T32] r10:61c88647 r9:84f56000 r8:857d5dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.284692][ T32] r4:857d5d80 [ 1343.284711][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.284757][ T32] r10:00000000 r9:857d5d80 r8:8027f5e8 r7:eb9d9e60 r6:857d5e00 r5:84f56000 [ 1343.284809][ T32] r4:00000001 [ 1343.284833][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.284872][ T32] Exception stack(0xec601fb0 to 0xec601ff8) [ 1343.284899][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1343.284926][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.284952][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.284981][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.285003][ T32] r4:858353c0 [ 1343.285335][ T32] INFO: task kworker/0:412:5684 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.285375][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.285463][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.285509][ T32] Call trace: [ 1343.285540][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.285586][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.285628][ T32] r4:00000000 [ 1343.285682][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.285728][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.285793][ T32] 9d20: e8032000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.285837][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.285864][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.285889][ T32] r5:80070013 r4:80239bb0 [ 1343.285910][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.285955][ T32] r4:82ac11a4 [ 1343.285975][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.286020][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.286042][ T32] r4:e47b9dc0 [ 1343.286061][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.286106][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.286131][ T32] r4:00000000 [ 1343.286150][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.286228][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.286287][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.286339][ T32] r5:00001000 r4:ece91000 [ 1343.286373][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.286416][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.286483][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.286507][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.286570][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.286625][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.286678][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.286726][ T32] r4:8454d780 [ 1343.286757][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.286802][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.286825][ T32] r4:00000001 [ 1343.286845][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.286887][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.286927][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.286958][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1343.287012][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 4 printk messages dropped ** [ 1343.287179][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 4 printk messages dropped ** [ 1343.287426][ T32] r10:8291880c r9:eb9e5d84 r8:00000002 r7:60000113 r6:eb9e5d8c r5:84f56c00 ** 2 printk messages dropped ** [ 1343.287573][ T32] r5:84f56c00 r4:82918808 ** 2 printk messages dropped ** [ 1343.287737][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb9e5e08 ** 2 printk messages dropped ** [ 1343.287891][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1343.288090][ T32] r9:83018205 r8:84f56c00 r7:00000000 r6:83018200 r5:00001000 r4:7f033000 ** 2 printk messages dropped ** [ 1343.288213][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1343.288605][ T32] r4:857ed400 ** 6 printk messages dropped ** [ 1343.289021][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1343.289432][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.289504][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.289552][ T32] Call trace: [ 1343.289613][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.289704][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.304826][ T32] r4:00000000 [ 1343.304899][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.304985][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.305043][ T32] 9d20: e80c4000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.305078][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.305233][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.305273][ T32] r5:80070013 r4:80239bb0 [ 1343.305294][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.305364][ T32] r4:82ac11a4 [ 1343.305391][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.305440][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.305463][ T32] r4:e47b9dc0 [ 1343.305508][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.305558][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.305581][ T32] r4:00000000 [ 1343.305637][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.305690][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.305715][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.305759][ T32] r5:00001000 r4:ece91000 [ 1343.305779][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.305817][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.305903][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.305928][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.305992][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.306018][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.306078][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.306107][ T32] r4:8454d780 [ 1343.306207][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.306277][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.306303][ T32] r4:00000001 [ 1343.306329][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.306368][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.306396][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.306445][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.306496][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.306528][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.306553][ T32] r4:84e5a340 [ 1343.306578][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.306607][ T32] INFO: task kworker/0:413:5688 blocked for more than 469 seconds. [ 1343.306640][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.306665][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.306712][ T32] task:kworker/0:413 state:D stack:0 pid:5688 tgid:5688 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.306771][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.306842][ T32] Call trace: [ 1343.306879][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.306928][ T32] r10:8291880c r9:eba25d84 r8:00000002 r7:60000113 r6:eba25d8c r5:84f50000 [ 1343.306950][ T32] r4:84f50000 [ 1343.306970][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.307008][ T32] r5:84f50000 r4:82918808 [ 1343.307028][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.307119][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.307172][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba25e08 [ 1343.307195][ T32] r4:00000000 [ 1343.307238][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.307390][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.307577][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.307657][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85835b40 [ 1343.307681][ T32] r4:00000000 [ 1343.307727][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.307776][ T32] r9:83018005 r8:84f50000 r7:00000000 r6:83018000 r5:00001000 r4:7f063000 [ 1343.307798][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.307838][ T32] r5:00001000 r4:eb493000 [ 1343.307940][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.308004][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.308065][ T32] r5:85738b8c r4:85738800 [ 1343.308106][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.308156][ T32] r7:dddced80 r6:83018000 r5:85738b8c r4:857d5f00 [ 1343.308179][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.308224][ T32] r10:61c88647 r9:84f50000 r8:857d5f2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.308247][ T32] r4:857d5f00 [ 1343.308267][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.308311][ T32] r10:00000000 r9:857d5f00 r8:8027f5e8 r7:eb9d9e60 r6:857d5f80 r5:84f50000 [ 1343.308339][ T32] r4:00000001 [ 1343.308371][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.308424][ T32] Exception stack(0xeba25fb0 to 0xeba25ff8) [ 1343.308483][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1343.308514][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.308541][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.308571][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.308595][ T32] r4:85835580 [ 1343.309077][ T32] INFO: task kworker/0:413:5688 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.309122][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.309212][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.309270][ T32] Call trace: [ 1343.309306][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.309362][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.309410][ T32] r4:00000000 [ 1343.309434][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.309472][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.309542][ T32] 9d20: e80c4000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.309612][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.309664][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.309711][ T32] r5:80070013 r4:80239bb0 [ 1343.327648][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.327840][ T32] r4:82ac11a4 [ 1343.327885][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.327941][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.327985][ T32] r4:e47b9dc0 [ 1343.328007][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.328102][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.328132][ T32] r4:00000000 [ 1343.328154][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.328204][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.328227][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.328272][ T32] r5:00001000 r4:ece91000 [ 1343.328308][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.328361][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.328404][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.328425][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.328471][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.328492][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.328536][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.328631][ T32] r4:8454d780 [ 1343.328656][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.328703][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.328727][ T32] r4:00000001 [ 1343.328747][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.328821][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.328862][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.328929][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.328959][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.328988][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.329010][ T32] r4:84e5a340 [ 1343.329036][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.329073][ T32] INFO: task kworker/0:414:5690 blocked for more than 469 seconds. [ 1343.329108][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.329133][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.329156][ T32] task:kworker/0:414 state:D stack:0 pid:5690 tgid:5690 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.329268][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.329320][ T32] Call trace: [ 1343.329352][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.329404][ T32] r10:8291880c r9:eba5dd84 r8:00000002 r7:60000113 r6:eba5dd8c r5:857f8000 [ 1343.329426][ T32] r4:857f8000 [ 1343.329445][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.329483][ T32] r5:857f8000 r4:82918808 [ 1343.329503][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.329610][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.329694][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba5de08 [ 1343.329721][ T32] r4:00000000 [ 1343.334760][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.334871][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.334918][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.334964][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858358c0 [ 1343.334987][ T32] r4:00000000 [ 1343.335007][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.335074][ T32] r9:83018005 r8:857f8000 r7:00000000 r6:83018000 r5:00001000 r4:7f031000 [ 1343.335113][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.335197][ T32] r5:00001000 r4:eb0e3000 [ 1343.335234][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.335295][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.335347][ T32] r5:8573838c r4:85738000 [ 1343.335439][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.335494][ T32] r7:dddced80 r6:83018000 r5:8573838c r4:857f1000 [ 1343.335517][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.335563][ T32] r10:61c88647 r9:857f8000 r8:857f102c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.335584][ T32] r4:857f1000 [ 1343.335603][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.335647][ T32] r10:00000000 r9:857f1000 r8:8027f5e8 r7:eba25e60 r6:857ed480 r5:857f8000 [ 1343.335671][ T32] r4:00000001 [ 1343.335706][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.335783][ T32] Exception stack(0xeba5dfb0 to 0xeba5dff8) [ 1343.335818][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.335848][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.335874][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.335902][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.335937][ T32] r4:85835480 [ 1343.336428][ T32] INFO: task kworker/0:414:5690 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.336473][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.336567][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1343.336718][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 ** 4 printk messages dropped ** [ 1343.336856][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 ** 3 printk messages dropped ** [ 1343.336969][ T32] r4:82ac11a4 [ 1343.336988][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.337033][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.337056][ T32] r4:e47b9dc0 [ 1343.337098][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.337171][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.337195][ T32] r4:00000000 [ 1343.337215][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.337259][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.337280][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.337325][ T32] r5:00001000 r4:ece91000 [ 1343.337346][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.337398][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.337444][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.337465][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.337510][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.337530][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.337574][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.337596][ T32] r4:8454d780 [ 1343.337630][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.337677][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.337700][ T32] r4:00000001 [ 1343.337718][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.337753][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.337796][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.337829][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.337856][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.337884][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.337907][ T32] r4:84e5a340 [ 1343.337927][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.337952][ T32] INFO: task kworker/1:862:5692 blocked for more than 469 seconds. [ 1343.338006][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.338034][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.338055][ T32] task:kworker/1:862 state:D stack:0 pid:5692 tgid:5692 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.338107][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.338212][ T32] Call trace: [ 1343.338257][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.338359][ T32] r10:8291880c r9:eba3dd84 r8:00000002 r7:60000113 r6:eba3dd8c r5:857f9800 [ 1343.338388][ T32] r4:857f9800 [ 1343.338433][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.338507][ T32] r5:857f9800 r4:82918808 [ 1343.338528][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.338565][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.338606][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba3de08 [ 1343.338628][ T32] r4:00000000 [ 1343.338648][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.338683][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.338718][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.338760][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e9440 [ 1343.338784][ T32] r4:00000000 [ 1343.338851][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.338905][ T32] r9:83018205 r8:857f9800 r7:00000000 r6:83018200 r5:00001000 r4:7f069000 [ 1343.338927][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.339019][ T32] r5:00001000 r4:eb5f3000 [ 1343.339042][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.339090][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.339130][ T32] r5:8573978c r4:85739400 [ 1343.339149][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.339191][ T32] r7:ddde2d80 r6:83018200 r5:8573978c r4:857ed500 [ 1343.339211][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.339256][ T32] r10:61c88647 r9:857f9800 r8:857ed52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.339278][ T32] r4:857ed500 [ 1343.339328][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.339379][ T32] r10:00000000 r9:857ed500 r8:8027f5e8 r7:ec671e60 r6:857ed580 r5:857f9800 [ 1343.339402][ T32] r4:00000001 [ 1343.339444][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.339484][ T32] Exception stack(0xeba3dfb0 to 0xeba3dff8) [ 1343.339511][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.339538][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.339565][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.339592][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.339629][ T32] r4:84d4bdc0 [ 1343.357087][ T32] INFO: task kworker/1:862:5692 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.357207][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.357302][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.357366][ T32] Call trace: [ 1343.357415][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.357475][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.357584][ T32] r4:00000000 [ 1343.357889][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.357946][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.357979][ T32] 9d20: e85f3000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.358036][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.358084][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.358113][ T32] r5:80070013 r4:80239bb0 [ 1343.358134][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.358184][ T32] r4:82ac11a4 [ 1343.358246][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.358312][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.358374][ T32] r4:e47b9dc0 [ 1343.358416][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.358465][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.358538][ T32] r4:00000000 [ 1343.358563][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.358613][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.358636][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.358679][ T32] r5:00001000 r4:ece91000 ** 1 printk messages dropped ** [ 1343.358739][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1343.359043][ T32] r4:8454d780 [ 1343.359086][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.359137][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.359189][ T32] r4:00000001 [ 1343.359221][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.359260][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.359287][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.359319][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.359346][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.359376][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.359402][ T32] r4:84e5a340 [ 1343.359452][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.359484][ T32] INFO: task kworker/0:415:5694 blocked for more than 469 seconds. [ 1343.359517][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.359541][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.359562][ T32] task:kworker/0:415 state:D stack:0 pid:5694 tgid:5694 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.359611][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.359697][ T32] Call trace: [ 1343.370351][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.370566][ T32] r10:8291880c r9:eba8dd84 r8:00000002 r7:60000113 r6:eba8dd8c r5:857fb000 [ 1343.370630][ T32] r4:857fb000 [ 1343.370677][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.370770][ T32] r5:857fb000 r4:82918808 [ 1343.370819][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.370908][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.371009][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba8de08 [ 1343.371073][ T32] r4:00000000 [ 1343.371123][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.371213][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.371312][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.371417][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85835c40 [ 1343.371474][ T32] r4:00000000 [ 1343.371524][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.371631][ T32] r9:83018005 r8:857fb000 r7:00000000 r6:83018000 r5:00001000 r4:7f065000 [ 1343.371690][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.371789][ T32] r5:00001000 r4:eb4f9000 [ 1343.371839][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.371926][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.372019][ T32] r5:85738f8c r4:85738c00 [ 1343.372078][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.372218][ T32] r7:dddced80 r6:83018000 r5:85738f8c r4:857f1080 [ 1343.372293][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.372403][ T32] r10:61c88647 r9:857fb000 r8:857f10ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.372459][ T32] r4:857f1080 [ 1343.372507][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.372613][ T32] r10:00000000 r9:857f1080 r8:8027f5e8 r7:eba25e60 r6:857ed600 r5:857fb000 [ 1343.372665][ T32] r4:00000001 [ 1343.372714][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.372805][ T32] Exception stack(0xeba8dfb0 to 0xeba8dff8) [ 1343.372876][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.372950][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.373018][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.373090][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.373145][ T32] r4:858359c0 [ 1343.373979][ T32] INFO: task kworker/0:415:5694 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.374077][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.374249][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.374355][ T32] Call trace: [ 1343.374399][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.374448][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.374472][ T32] r4:00000000 [ 1343.374492][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.374528][ T32] Exception stack(0xe47b9d28 to 0xe47b9d70) [ 1343.374556][ T32] 9d20: e8711000 e8845000 00000001 80239b98 7f1c9000 00000001 [ 1343.374584][ T32] 9d40: 82ac0560 7f1c9000 e8845000 8280c930 82ac1184 e47b9da4 e47b9da8 e47b9d78 [ 1343.374608][ T32] 9d60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.374631][ T32] r5:80070013 r4:80239bb0 [ 1343.374650][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.374882][ T32] r4:82ac11a4 [ 1343.374908][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.374958][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e47b9dc0 r5:e47b9e08 [ 1343.374981][ T32] r4:e47b9dc0 [ 1343.375074][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.375217][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8506a040 [ 1343.375245][ T32] r4:00000000 [ 1343.375265][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.375316][ T32] r9:83018205 r8:8501d400 r7:00000000 r6:83018200 r5:00001000 r4:7f1c9000 [ 1343.375339][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.375381][ T32] r5:00001000 r4:ece91000 [ 1343.375400][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.375439][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.375480][ T32] r5:85a7af8c r4:85a7ac00 [ 1343.375499][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.375618][ T32] r7:ddde2d80 r6:83018200 r5:85a7af8c r4:8454d780 [ 1343.375642][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.375688][ T32] r10:61c88647 r9:8501d400 r8:8454d7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.375713][ T32] r4:8454d780 [ 1343.375732][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.375774][ T32] r10:00000000 r9:8454d780 r8:8027f5e8 r7:e882de60 r6:8454d800 r5:8501d400 [ 1343.375813][ T32] r4:00000001 [ 1343.375835][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.375871][ T32] Exception stack(0xe47b9fb0 to 0xe47b9ff8) [ 1343.375897][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.375924][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.375948][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.376036][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.376067][ T32] r4:84e5a340 [ 1343.376096][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.376158][ T32] INFO: task kworker/0:416:5696 blocked for more than 469 seconds. [ 1343.376196][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.376220][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.376241][ T32] task:kworker/0:416 state:D stack:0 pid:5696 tgid:5696 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.376370][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.376419][ T32] Call trace: [ 1343.376626][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.376735][ T32] r10:8291880c r9:ec529d84 r8:00000002 r7:60000113 r6:ec529d8c r5:857fc800 [ 1343.376791][ T32] r4:857fc800 [ 1343.376844][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.376938][ T32] r5:857fc800 r4:82918808 [ 1343.376988][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.377088][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.377192][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec529e08 ** 3 printk messages dropped ** [ 1343.377509][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 3 printk messages dropped ** [ 1343.377815][ T32] r9:83018005 r8:857fc800 r7:00000000 r6:83018000 r5:00001000 r4:7f067000 ** 4 printk messages dropped ** [ 1343.378237][ T32] r5:8573938c r4:85739000 ** 1 printk messages dropped ** [ 1343.378396][ T32] r7:dddced80 r6:83018000 r5:8573938c r4:857f1100 [ 1343.378536][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.378622][ T32] r10:61c88647 r9:857fc800 r8:857f112c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.378672][ T32] r4:857f1100 [ 1343.378698][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.378744][ T32] r10:00000000 r9:857f1100 r8:8027f5e8 r7:eba8de60 r6:857ed680 r5:857fc800 [ 1343.378767][ T32] r4:00000001 [ 1343.378982][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.379023][ T32] Exception stack(0xec529fb0 to 0xec529ff8) [ 1343.379051][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.379088][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.379114][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.379141][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.379163][ T32] r4:85835a40 [ 1343.379451][ T32] INFO: task kworker/0:416:5696 is blocked on a mutex likely owned by task kworker/1:171:3869. [ 1343.379484][ T32] task:kworker/1:171 state:R running task stack:0 pid:3869 tgid:3869 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.379565][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.379609][ T32] Call trace: [ 1343.379639][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.379687][ T32] r10:82ac1184 r9:8501d400 r8:80200be4 r7:e47b9d5c r6:ffffffff r5:8501d400 [ 1343.379712][ T32] r4:00000000 [ 1343.407790][ T32] Backtrace aborted due to bad frame pointer [ 1343.408220][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.408292][ T32] INFO: task kworker/0:417:5698 blocked for more than 469 seconds. [ 1343.408375][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.408437][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.408490][ T32] task:kworker/0:417 state:D stack:0 pid:5698 tgid:5698 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.408609][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.408727][ T32] Call trace: [ 1343.408803][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.408923][ T32] r10:8291880c r9:ec551d84 r8:00000002 r7:60000113 r6:ec551d8c r5:857fd400 [ 1343.408980][ T32] r4:857fd400 [ 1343.409030][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.409158][ T32] r5:857fd400 r4:82918808 [ 1343.409230][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.409333][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.409439][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec551e08 [ 1343.409496][ T32] r4:00000000 [ 1343.409546][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.409630][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.409777][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.420484][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85835e40 [ 1343.420571][ T32] r4:00000000 [ 1343.420623][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.420757][ T32] r9:83018005 r8:857fd400 r7:00000000 r6:83018000 r5:00001000 r4:7f06b000 [ 1343.420812][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.420921][ T32] r5:00001000 r4:eb659000 [ 1343.420975][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.421079][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.421182][ T32] r5:85739b8c r4:85739800 [ 1343.421234][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.421348][ T32] r7:dddced80 r6:83018000 r5:85739b8c r4:857f1180 [ 1343.421404][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.421513][ T32] r10:61c88647 r9:857fd400 r8:857f11ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.421572][ T32] r4:857f1180 [ 1343.421627][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.421734][ T32] r10:00000000 r9:857f1180 r8:8027f5e8 r7:ec529e60 r6:857ed700 r5:857fd400 [ 1343.421791][ T32] r4:00000001 [ 1343.421844][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.421935][ T32] Exception stack(0xec551fb0 to 0xec551ff8) [ 1343.422003][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1343.422080][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.422149][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.422240][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.422345][ T32] r4:85835bc0 [ 1343.423228][ T32] INFO: task kworker/0:417:5698 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1343.423315][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.423459][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.423566][ T32] Call trace: [ 1343.423645][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.423759][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1343.423817][ T32] r4:00000000 [ 1343.423865][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.423954][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1343.424019][ T32] dd20: 7f612000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1343.424096][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1343.424163][ T32] dd60: 80230ad4 80239bb0 90070013 ffffffff [ 1343.424218][ T32] r5:90070013 r4:80239bb0 [ 1343.424269][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.424375][ T32] r4:82ac11a4 [ 1343.424427][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.424537][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1343.424594][ T32] r4:e884ddc0 [ 1343.424644][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.424751][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1343.424806][ T32] r4:00000000 [ 1343.424869][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.424974][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1343.425033][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.425142][ T32] r5:00001000 r4:e884f000 [ 1343.425192][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1343.425525][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1343.425574][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.425678][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.425732][ T32] r4:8454db00 [ 1343.425778][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.425878][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1343.425957][ T32] r4:00000001 [ 1343.426014][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.426107][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1343.426169][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.426281][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.426350][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.426412][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.426467][ T32] r4:84e5aa80 [ 1343.426517][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.426579][ T32] INFO: task kworker/0:418:5699 blocked for more than 469 seconds. [ 1343.426648][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.426706][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.426763][ T32] task:kworker/0:418 state:D stack:0 pid:5699 tgid:5699 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.426860][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.426955][ T32] Call trace: [ 1343.427028][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.427144][ T32] r10:8291880c r9:ec6add84 r8:00000002 r7:60000113 r6:ec6add8c r5:857fbc00 [ 1343.427201][ T32] r4:857fbc00 [ 1343.427250][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.427342][ T32] r5:857fbc00 r4:82918808 [ 1343.427390][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.427474][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.427567][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6ade08 [ 1343.427621][ T32] r4:00000000 [ 1343.427666][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.427749][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.427836][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.427933][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e5fc0 [ 1343.428008][ T32] r4:00000000 [ 1343.428055][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.428164][ T32] r9:83018005 r8:857fbc00 r7:00000000 r6:83018000 r5:00001000 r4:7f089000 [ 1343.428217][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.428310][ T32] r5:00001000 r4:ec507000 [ 1343.428364][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.428451][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.428541][ T32] r5:8573c78c r4:8573c400 [ 1343.428589][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.428688][ T32] r7:dddced80 r6:83018000 r5:8573c78c r4:857f1200 [ 1343.428741][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.428842][ T32] r10:61c88647 r9:857fbc00 r8:857f122c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.428896][ T32] r4:857f1200 [ 1343.428943][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.429043][ T32] r10:00000000 r9:857f1200 r8:8027f5e8 r7:ec551e60 r6:857ed780 r5:857fbc00 [ 1343.429107][ T32] r4:00000001 [ 1343.429153][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.429238][ T32] Exception stack(0xec6adfb0 to 0xec6adff8) [ 1343.429300][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.429367][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.429430][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.429493][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.429547][ T32] r4:85835bc0 [ 1343.461025][ T32] INFO: task kworker/0:418:5699 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1343.461293][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.461496][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.461631][ T32] Call trace: [ 1343.461708][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.461824][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1343.461877][ T32] r4:00000000 [ 1343.461924][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.462013][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1343.462086][ T32] dd20: 7fa00000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1343.462149][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1343.462254][ T32] dd60: 80230ad4 80239bb0 90070013 ffffffff [ 1343.462320][ T32] r5:90070013 r4:80239bb0 [ 1343.462372][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.462478][ T32] r4:82ac11a4 [ 1343.462527][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.462632][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1343.462689][ T32] r4:e884ddc0 [ 1343.462739][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.462837][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1343.462890][ T32] r4:00000000 [ 1343.462938][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.463044][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1343.463104][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.463198][ T32] r5:00001000 r4:e884f000 [ 1343.463247][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.463340][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.463442][ T32] r5:84fe9f8c r4:84fe9c00 [ 1343.463493][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.463598][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1343.463651][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.463754][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.463807][ T32] r4:8454db00 [ 1343.463854][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.463953][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1343.464009][ T32] r4:00000001 [ 1343.464066][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.464169][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1343.464231][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.464297][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.464362][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.464430][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 5 printk messages dropped ** [ 1343.464788][ T32] task:kworker/0:419 state:D stack:0 pid:5702 tgid:5702 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1343.465638][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6b5e08 ** 9 printk messages dropped ** [ 1343.466455][ T32] r5:00001000 r4:eb6b1000 [ 1343.466512][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.466604][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1343.466842][ T32] r7:dddced80 r6:83018000 r5:85739f8c r4:857f1280 ** 5 printk messages dropped ** [ 1343.467285][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1343.467611][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1343.468725][ T32] Call trace: ** 4 printk messages dropped ** [ 1343.469088][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 7 printk messages dropped ** [ 1343.469647][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 7 printk messages dropped ** [ 1343.490999][ T32] r5:00001000 r4:e884f000 ** 6 printk messages dropped ** [ 1343.491604][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1343.492075][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 10 printk messages dropped ** [ 1343.492855][ T32] Call trace: ** 5 printk messages dropped ** [ 1343.493289][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1343.493832][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e9ac0 ** 4 printk messages dropped ** [ 1343.494216][ T32] r5:00001000 r4:eba65000 ** 1 printk messages dropped ** [ 1343.494355][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1343.494753][ T32] r10:61c88647 r9:857fe000 r8:857ed8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.494811][ T32] r4:857ed880 [ 1343.494859][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.494957][ T32] r10:00000000 r9:857ed880 r8:8027f5e8 r7:ec671e60 r6:857ed900 r5:857fe000 [ 1343.495011][ T32] r4:00000001 [ 1343.495064][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.495151][ T32] Exception stack(0xec6b9fb0 to 0xec6b9ff8) [ 1343.495211][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.495276][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.495341][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.495413][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.495468][ T32] r4:857e9400 [ 1343.496327][ T32] INFO: task kworker/1:863:5703 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1343.496403][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.496535][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.496634][ T32] Call trace: [ 1343.496709][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.496812][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1343.496865][ T32] r4:00000000 [ 1343.496911][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.496993][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1343.497092][ T32] dd20: 7fa6b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1343.497164][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1343.497220][ T32] dd60: 80230ad4 80239bb0 90070013 ffffffff [ 1343.497272][ T32] r5:90070013 r4:80239bb0 [ 1343.497317][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.497416][ T32] r4:82ac11a4 [ 1343.497467][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.497576][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1343.497632][ T32] r4:e884ddc0 [ 1343.497678][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.497775][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1343.497831][ T32] r4:00000000 [ 1343.497883][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.497987][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1343.498040][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.498145][ T32] r5:00001000 r4:e884f000 [ 1343.498216][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.498312][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.498408][ T32] r5:84fe9f8c r4:84fe9c00 [ 1343.498457][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.498564][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1343.498615][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.498720][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.498774][ T32] r4:8454db00 [ 1343.498822][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.498919][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1343.498971][ T32] r4:00000001 [ 1343.499017][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.499123][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1343.499185][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.499278][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.499371][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.499446][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.499503][ T32] r4:84e5aa80 [ 1343.499552][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.499614][ T32] INFO: task kworker/0:420:5706 blocked for more than 469 seconds. ** 3 printk messages dropped ** [ 1343.525948][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1343.526653][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1343.527209][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e5040 ** 4 printk messages dropped ** [ 1343.527659][ T32] r5:00001000 r4:eb819000 [ 1343.527710][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.527810][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1343.528249][ T32] r10:61c88647 r9:857fa400 r8:857f132c r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1343.528921][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1343.543924][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 5 printk messages dropped ** [ 1343.544340][ T32] dd60: 80230ad4 80239bb0 90070013 ffffffff ** 4 printk messages dropped ** [ 1343.544722][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 3 printk messages dropped ** [ 1343.544992][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1343.545157][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1343.545213][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.545332][ T32] r5:00001000 r4:e884f000 [ 1343.545401][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.545510][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.545606][ T32] r5:84fe9f8c r4:84fe9c00 [ 1343.545678][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.545786][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1343.545839][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.545943][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.546000][ T32] r4:8454db00 [ 1343.546135][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.546309][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1343.546428][ T32] r4:00000001 [ 1343.546498][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.546606][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1343.546680][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.546780][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.546859][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.546942][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.547007][ T32] r4:84e5aa80 [ 1343.547069][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.547149][ T32] INFO: task kworker/0:421:5707 blocked for more than 470 seconds. [ 1343.547237][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.547304][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.547373][ T32] task:kworker/0:421 state:D stack:0 pid:5707 tgid:5707 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.547479][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.547614][ T32] Call trace: [ 1343.547698][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.547839][ T32] r10:8291880c r9:ec6c9d84 r8:00000002 r7:60000113 r6:ec6c9d8c r5:84f60000 [ 1343.547909][ T32] r4:84f60000 [ 1343.547961][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.548074][ T32] r5:84f60000 r4:82918808 [ 1343.548123][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.548214][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.548323][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6c9e08 [ 1343.548385][ T32] r4:00000000 [ 1343.548444][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.548539][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.548623][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.548720][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e5340 [ 1343.548774][ T32] r4:00000000 [ 1343.548822][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.548923][ T32] r9:83018005 r8:84f60000 r7:00000000 r6:83018000 r5:00001000 r4:7f071000 [ 1343.548974][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.549067][ T32] r5:00001000 r4:eb84d000 [ 1343.549114][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.549227][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.549339][ T32] r5:8573a78c r4:8573a400 [ 1343.549388][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.549492][ T32] r7:dddced80 r6:83018000 r5:8573a78c r4:857f1380 [ 1343.549540][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.549640][ T32] r10:61c88647 r9:84f60000 r8:857f13ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.549695][ T32] r4:857f1380 [ 1343.549778][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.567617][ T32] r10:00000000 r9:857f1380 r8:8027f5e8 r7:ec6ade60 r6:857eda00 r5:84f60000 [ 1343.567663][ T32] r4:00000001 [ 1343.567687][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.567743][ T32] Exception stack(0xec6c9fb0 to 0xec6c9ff8) [ 1343.567773][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.567802][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.567829][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.567858][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.567879][ T32] r4:857e5080 [ 1343.568392][ T32] INFO: task kworker/0:421:5707 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1343.568430][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.568498][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.568546][ T32] Call trace: [ 1343.568603][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.568661][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1343.568685][ T32] r4:00000000 [ 1343.568728][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.568776][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1343.568806][ T32] dd20: 7ffa8000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1343.568835][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1343.568860][ T32] dd60: 80230ad4 80239bb0 90070013 ffffffff [ 1343.568885][ T32] r5:90070013 r4:80239bb0 [ 1343.568905][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.568951][ T32] r4:82ac11a4 [ 1343.568971][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.569016][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1343.569038][ T32] r4:e884ddc0 [ 1343.569056][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.569124][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1343.569151][ T32] r4:00000000 [ 1343.569187][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.569245][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1343.569295][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.569348][ T32] r5:00001000 r4:e884f000 [ 1343.569368][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.569406][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.569532][ T32] r5:84fe9f8c r4:84fe9c00 [ 1343.569557][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.569605][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1343.569626][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.569669][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.569690][ T32] r4:8454db00 [ 1343.569710][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.583976][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1343.584065][ T32] r4:00000001 [ 1343.584093][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.584149][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1343.584179][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.584208][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.584235][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.584264][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.584287][ T32] r4:84e5aa80 [ 1343.584329][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.584366][ T32] INFO: task kworker/0:422:5709 blocked for more than 470 seconds. [ 1343.584400][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.584424][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.584447][ T32] task:kworker/0:422 state:D stack:0 pid:5709 tgid:5709 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.584520][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.584570][ T32] Call trace: [ 1343.584678][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.584730][ T32] r10:8291880c r9:ec6d1d84 r8:00000002 r7:60000113 r6:ec6d1d8c r5:84f61800 [ 1343.584752][ T32] r4:84f61800 [ 1343.584771][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.584858][ T32] r5:84f61800 r4:82918808 [ 1343.585061][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.585275][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.585323][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6d1e08 [ 1343.585347][ T32] r4:00000000 [ 1343.585378][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.585467][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1343.585899][ T32] r9:83018005 r8:84f61800 r7:00000000 r6:83018000 r5:00001000 r4:7f073000 ** 1 printk messages dropped ** [ 1343.586097][ T32] r5:00001000 r4:eb899000 [ 1343.586151][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.586267][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1343.586422][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1343.587020][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1343.587182][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1343.587822][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1343.587997][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1343.588068][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 3 printk messages dropped ** [ 1343.588275][ T32] r5:80070013 r4:80239bb0 ** 3 printk messages dropped ** [ 1343.588404][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 5 printk messages dropped ** [ 1343.588573][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 4 printk messages dropped ** [ 1343.588735][ T32] r5:84fe9f8c r4:84fe9c00 ** 2 printk messages dropped ** [ 1343.588820][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1343.588947][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 3 printk messages dropped ** [ 1343.589076][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1343.589225][ T32] INFO: task kworker/0:423:5711 blocked for more than 470 seconds. ** 2 printk messages dropped ** [ 1343.589295][ T32] task:kworker/0:423 state:D stack:0 pid:5711 tgid:5711 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1343.589488][ T32] r4:84f63000 ** 2 printk messages dropped ** [ 1343.589572][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1343.600776][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1343.601444][ T32] r5:00001000 r4:eb9d5000 [ 1343.601500][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.601596][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1343.602071][ T32] r10:61c88647 r9:84f63000 r8:857f14ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 3 printk messages dropped ** [ 1343.602363][ T32] r4:00000001 [ 1343.602411][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.602497][ T32] Exception stack(0xec6d9fb0 to 0xec6d9ff8) [ 1343.602565][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.602632][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.602695][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.602796][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.602859][ T32] r4:857e5300 [ 1343.603719][ T32] INFO: task kworker/0:423:5711 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1343.603807][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.603954][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.604098][ T32] Call trace: [ 1343.604187][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.604321][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1343.604401][ T32] r4:00000000 [ 1343.604464][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.604555][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1343.604620][ T32] dd20: 802c2000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1343.604699][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1343.604788][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.604854][ T32] r5:80070013 r4:80239bb0 [ 1343.604903][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.605004][ T32] r4:82ac11a4 [ 1343.605076][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.605187][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1343.605240][ T32] r4:e884ddc0 [ 1343.605304][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.605409][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1343.605484][ T32] r4:00000000 [ 1343.605555][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.605663][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1343.605733][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.605830][ T32] r5:00001000 r4:e884f000 [ 1343.605905][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.606003][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.606110][ T32] r5:84fe9f8c r4:84fe9c00 [ 1343.606181][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.606310][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1343.606364][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.606463][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.606535][ T32] r4:8454db00 [ 1343.606595][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.606703][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1343.606759][ T32] r4:00000001 [ 1343.606969][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.607013][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1343.607040][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.607073][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.607100][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.607128][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.607532][ T32] r4:84e5aa80 [ 1343.607561][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.607600][ T32] INFO: task kworker/0:424:5713 blocked for more than 470 seconds. [ 1343.607704][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.608126][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.608392][ T32] task:kworker/0:424 state:D stack:0 pid:5713 tgid:5713 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.608662][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.608800][ T32] Call trace: [ 1343.608901][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.609017][ T32] r10:8291880c r9:ec6e1d84 r8:00000002 r7:60000113 r6:ec6e1d8c r5:84f62400 [ 1343.609085][ T32] r4:84f62400 [ 1343.609159][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.609255][ T32] r5:84f62400 r4:82918808 [ 1343.609302][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.609389][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.609494][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6e1e08 [ 1343.609547][ T32] r4:00000000 [ 1343.609592][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.609674][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.609765][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.634141][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e56c0 [ 1343.634308][ T32] r4:00000000 [ 1343.634338][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.634444][ T32] r9:83018005 r8:84f62400 r7:00000000 r6:83018000 r5:00001000 r4:7f077000 [ 1343.634473][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.634521][ T32] r5:00001000 r4:eba05000 [ 1343.634542][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.634582][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.634624][ T32] r5:8573b38c r4:8573b000 [ 1343.634644][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.634690][ T32] r7:dddced80 r6:83018000 r5:8573b38c r4:857f1500 [ 1343.634713][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.634806][ T32] r10:61c88647 r9:84f62400 r8:857f152c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.634832][ T32] r4:857f1500 [ 1343.635019][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.635076][ T32] r10:00000000 r9:857f1500 r8:8027f5e8 r7:ec6ade60 r6:857edb80 r5:84f62400 ** 5 printk messages dropped ** [ 1343.635378][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1343.636152][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1343.636495][ T32] dd20: 806af000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 10 printk messages dropped ** [ 1343.636984][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1343.637383][ T32] r5:84fe9f8c r4:84fe9c00 ** 3 printk messages dropped ** [ 1343.637579][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1343.637845][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1343.638098][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1343.638531][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.638627][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6e5e08 [ 1343.638680][ T32] r4:00000000 [ 1343.638703][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.638738][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.638854][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.638969][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e5840 [ 1343.639053][ T32] r4:00000000 [ 1343.639094][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.639141][ T32] r9:83018005 r8:84f63c00 r7:00000000 r6:83018000 r5:00001000 r4:7f079000 [ 1343.639163][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.639203][ T32] r5:00001000 r4:eba2b000 [ 1343.639228][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.639269][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.639309][ T32] r5:8573b78c r4:8573b400 [ 1343.639379][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.639429][ T32] r7:dddced80 r6:83018000 r5:8573b78c r4:857f1580 [ 1343.639499][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.639599][ T32] r10:61c88647 r9:84f63c00 r8:857f15ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.639701][ T32] r4:857f1580 [ 1343.658753][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.658925][ T32] r10:00000000 r9:857f1580 r8:8027f5e8 r7:ec6ade60 r6:857edc00 r5:84f63c00 [ 1343.658955][ T32] r4:00000001 [ 1343.658986][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.659085][ T32] Exception stack(0xec6e5fb0 to 0xec6e5ff8) [ 1343.659152][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1343.659190][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.659244][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.659277][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.659300][ T32] r4:857e5640 [ 1343.660369][ T32] INFO: task kworker/0:425:5715 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1343.660453][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.660561][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.660682][ T32] Call trace: [ 1343.660792][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.660847][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1343.660872][ T32] r4:00000000 [ 1343.660892][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.660929][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1343.660972][ T32] dd20: 80b8b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1343.661037][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1343.661103][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.661227][ T32] r5:80070013 r4:80239bb0 [ 1343.661251][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.661299][ T32] r4:82ac11a4 [ 1343.661323][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.661371][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1343.661420][ T32] r4:e884ddc0 [ 1343.661445][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.661496][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1343.661520][ T32] r4:00000000 [ 1343.661539][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.661663][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1343.661694][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.661741][ T32] r5:00001000 r4:e884f000 [ 1343.661764][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.661804][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.661845][ T32] r5:84fe9f8c r4:84fe9c00 [ 1343.661864][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.661909][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1343.661979][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.662142][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.662172][ T32] r4:8454db00 [ 1343.662226][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.662284][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1343.662444][ T32] r4:00000001 [ 1343.662471][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.662507][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1343.662533][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.662613][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.662670][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.662702][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.662777][ T32] r4:84e5aa80 [ 1343.662803][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.662858][ T32] INFO: task kworker/0:426:5719 blocked for more than 470 seconds. [ 1343.662896][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.662921][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.662944][ T32] task:kworker/0:426 state:D stack:0 pid:5719 tgid:5719 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.663033][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.663118][ T32] Call trace: [ 1343.663272][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 5 printk messages dropped ** [ 1343.663757][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1343.664305][ T32] r5:00001000 r4:ec4df000 [ 1343.664343][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.664424][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1343.664531][ T32] r7:dddced80 r6:83018000 r5:8573c38c r4:857f1600 ** 9 printk messages dropped ** [ 1343.665106][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1343.665980][ T32] Call trace: ** 2 printk messages dropped ** [ 1343.666257][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1343.666346][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 3 printk messages dropped ** [ 1343.666517][ T32] r5:80070013 r4:80239bb0 ** 3 printk messages dropped ** [ 1343.666807][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1343.666865][ T32] r4:e884ddc0 [ 1343.666919][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.666966][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1343.666989][ T32] r4:00000000 [ 1343.667034][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.667090][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1343.667150][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.667211][ T32] r5:00001000 r4:e884f000 [ 1343.667261][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.667310][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.667379][ T32] r5:84fe9f8c r4:84fe9c00 [ 1343.667403][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.667449][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1343.667494][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.667567][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.667593][ T32] r4:8454db00 [ 1343.667612][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.667656][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1343.667703][ T32] r4:00000001 [ 1343.667727][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.667762][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1343.667813][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.667915][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.667945][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.668000][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.668052][ T32] r4:84e5aa80 [ 1343.668081][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.668125][ T32] INFO: task kworker/1:864:5720 blocked for more than 470 seconds. [ 1343.668208][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.668261][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.668287][ T32] task:kworker/1:864 state:D stack:0 pid:5720 tgid:5720 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.668397][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.668480][ T32] Call trace: [ 1343.668543][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.668593][ T32] r10:8291880c r9:eba35d84 r8:00000002 r7:60000113 r6:eba35d8c r5:84f65400 [ 1343.668640][ T32] r4:84f65400 [ 1343.668663][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.668761][ T32] r5:84f65400 r4:82918808 [ 1343.668784][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.668821][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.668974][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eba35e08 [ 1343.669008][ T32] r4:00000000 [ 1343.669064][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.669125][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.669164][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.669213][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857cc400 [ 1343.669264][ T32] r4:00000000 [ 1343.669289][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.669337][ T32] r9:83018205 r8:84f65400 r7:00000000 r6:83018200 r5:00001000 r4:7f085000 [ 1343.669358][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.669536][ T32] r5:00001000 r4:ec48d000 [ 1343.669571][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.669649][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.669712][ T32] r5:8573bf8c r4:8573bc00 [ 1343.694839][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.695047][ T32] r7:ddde2d80 r6:83018200 r5:8573bf8c r4:857edc80 [ 1343.695095][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.695196][ T32] r10:61c88647 r9:84f65400 r8:857edcac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.695224][ T32] r4:857edc80 [ 1343.695244][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.695293][ T32] r10:00000000 r9:857edc80 r8:8027f5e8 r7:ec671e60 r6:857edd80 r5:84f65400 ** 4 printk messages dropped ** [ 1343.695536][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1343.696368][ T32] Call trace: ** 5 printk messages dropped ** [ 1343.696750][ T32] dd20: 80edf000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 9 printk messages dropped ** [ 1343.697078][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 9 printk messages dropped ** [ 1343.697550][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 2 printk messages dropped ** [ 1343.697670][ T32] r4:8454db00 ** 2 printk messages dropped ** [ 1343.697768][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1343.697852][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1343.698078][ T32] INFO: task kworker/1:865:5721 blocked for more than 470 seconds. ** 3 printk messages dropped ** [ 1343.698365][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1343.698708][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1343.699215][ T32] r5:00001000 r4:ebaad000 [ 1343.699240][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1343.699445][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1343.699805][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1343.713875][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1343.714876][ T32] Call trace: ** 3 printk messages dropped ** [ 1343.715117][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 3 printk messages dropped ** [ 1343.715236][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1343.715448][ T32] r4:e884ddc0 ** 1 printk messages dropped ** [ 1343.715509][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 7 printk messages dropped ** [ 1343.715934][ T32] r5:84fe9f8c r4:84fe9c00 ** 1 printk messages dropped ** [ 1343.715999][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 1 printk messages dropped ** [ 1343.716067][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1343.716394][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.716421][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.716449][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.716470][ T32] r4:84e5aa80 [ 1343.716490][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.716530][ T32] INFO: task kworker/1:866:5724 blocked for more than 470 seconds. [ 1343.716565][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.716605][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.716632][ T32] task:kworker/1:866 state:D stack:0 pid:5724 tgid:5724 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.716761][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.716955][ T32] Call trace: [ 1343.717036][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.717140][ T32] r10:8291880c r9:ec6e9d84 r8:00000002 r7:60000113 r6:ec6e9d8c r5:84f66c00 [ 1343.717167][ T32] r4:84f66c00 [ 1343.717188][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.717252][ T32] r5:84f66c00 r4:82918808 [ 1343.717342][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.717384][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.717450][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6e9e08 [ 1343.717478][ T32] r4:00000000 [ 1343.717497][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.717584][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.717628][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.717672][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857cc040 [ 1343.717693][ T32] r4:00000000 [ 1343.717766][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.717813][ T32] r9:83018205 r8:84f66c00 r7:00000000 r6:83018200 r5:00001000 r4:7f081000 [ 1343.717888][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.717984][ T32] r5:00001000 r4:ebad1000 [ 1343.718033][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.718081][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.718122][ T32] r5:8576eb8c r4:8576e800 [ 1343.718209][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.718276][ T32] r7:ddde2d80 r6:83018200 r5:8576eb8c r4:857edf00 [ 1343.718300][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.718350][ T32] r10:61c88647 r9:84f66c00 r8:857edf2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.718372][ T32] r4:857edf00 [ 1343.718391][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.718433][ T32] r10:00000000 r9:857edf00 r8:8027f5e8 r7:eba35e60 r6:857edf80 r5:84f66c00 [ 1343.718456][ T32] r4:00000001 [ 1343.718476][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.718511][ T32] Exception stack(0xec6e9fb0 to 0xec6e9ff8) [ 1343.718538][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.718566][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.718643][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.718757][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.718814][ T32] r4:857cc000 [ 1343.719187][ T32] INFO: task kworker/1:866:5724 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1343.719228][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.719382][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.719431][ T32] Call trace: [ 1343.719463][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.719511][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1343.719534][ T32] r4:00000000 [ 1343.719649][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.719693][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1343.719780][ T32] dd20: 812a8000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1343.744032][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1343.744111][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.744171][ T32] r5:80070013 r4:80239bb0 [ 1343.744218][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.744291][ T32] r4:82ac11a4 [ 1343.744315][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.744365][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1343.744388][ T32] r4:e884ddc0 [ 1343.744448][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.744500][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1343.744537][ T32] r4:00000000 [ 1343.744592][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.744661][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1343.744736][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.744839][ T32] r5:00001000 r4:e884f000 [ 1343.744867][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.744913][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.744966][ T32] r5:84fe9f8c r4:84fe9c00 [ 1343.744990][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.745058][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1343.745140][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.745191][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.745213][ T32] r4:8454db00 [ 1343.745233][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.745278][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1343.745301][ T32] r4:00000001 [ 1343.745394][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.745438][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1343.745466][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.745494][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.745533][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.745572][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.745671][ T32] r4:84e5aa80 [ 1343.745769][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.745805][ T32] INFO: task kworker/1:867:5725 blocked for more than 470 seconds. [ 1343.745841][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.745866][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.745887][ T32] task:kworker/1:867 state:D stack:0 pid:5725 tgid:5725 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.745946][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.745991][ T32] Call trace: [ 1343.746063][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.746159][ T32] r10:8291880c r9:ec6edd84 r8:00000002 r7:60000113 r6:ec6edd8c r5:84f60c00 [ 1343.746185][ T32] r4:84f60c00 [ 1343.746263][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.746310][ T32] r5:84f60c00 r4:82918808 [ 1343.746364][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.746426][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.746473][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6ede08 [ 1343.746535][ T32] r4:00000000 [ 1343.746600][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.746639][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.746676][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.746717][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e5bc0 [ 1343.746739][ T32] r4:00000000 [ 1343.746758][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.746800][ T32] r9:83018205 r8:84f60c00 r7:00000000 r6:83018200 r5:00001000 r4:7f083000 [ 1343.746821][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.746863][ T32] r5:00001000 r4:ebaf5000 [ 1343.746882][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.746921][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.746961][ T32] r5:8573bb8c r4:8573b800 [ 1343.746980][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.747023][ T32] r7:ddde2d80 r6:83018200 r5:8573bb8c r4:857d4000 [ 1343.747060][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.747135][ T32] r10:61c88647 r9:84f60c00 r8:857d402c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.747162][ T32] r4:857d4000 [ 1343.747182][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.747252][ T32] r10:00000000 r9:857d4000 r8:8027f5e8 r7:eba35e60 r6:857d4080 r5:84f60c00 [ 1343.747300][ T32] r4:00000001 [ 1343.747327][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.747365][ T32] Exception stack(0xec6edfb0 to 0xec6edff8) [ 1343.747441][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.747477][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.747506][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.747535][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.747557][ T32] r4:857cc000 [ 1343.748085][ T32] INFO: task kworker/1:867:5725 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1343.748123][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.748183][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.748258][ T32] Call trace: [ 1343.748315][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.748369][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1343.748405][ T32] r4:00000000 [ 1343.748455][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.748578][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1343.748611][ T32] dd20: 815c7000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1343.748676][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1343.748707][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.748732][ T32] r5:80070013 r4:80239bb0 [ 1343.748779][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 4 printk messages dropped ** [ 1343.749064][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1343.749160][ T32] r4:00000000 [ 1343.749182][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.749226][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1343.749248][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.749304][ T32] r5:00001000 r4:e884f000 [ 1343.749364][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.749424][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.749493][ T32] r5:84fe9f8c r4:84fe9c00 [ 1343.749527][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.749657][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1343.749766][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.757062][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.757143][ T32] r4:8454db00 [ 1343.757172][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.757242][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1343.757306][ T32] r4:00000001 [ 1343.757404][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.757449][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1343.757499][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.757586][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.757672][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.757746][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.757773][ T32] r4:84e5aa80 [ 1343.757800][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.757831][ T32] INFO: task kworker/1:868:5727 blocked for more than 470 seconds. [ 1343.757866][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.757890][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.757938][ T32] task:kworker/1:868 state:D stack:0 pid:5727 tgid:5727 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.758054][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.758109][ T32] Call trace: [ 1343.758141][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.758225][ T32] r10:8291880c r9:ec6f5d84 r8:00000002 r7:60000013 r6:ec6f5d8c r5:84f15400 [ 1343.758344][ T32] r4:84f15400 [ 1343.758438][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.758509][ T32] r5:84f15400 r4:82918808 [ 1343.758615][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.758662][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.758706][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6f5e08 [ 1343.758735][ T32] r4:00000000 [ 1343.758781][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.758821][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.758890][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.758943][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8566df00 [ 1343.759063][ T32] r4:00000000 [ 1343.759107][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.759213][ T32] r9:83018205 r8:84f15400 r7:00000000 r6:83018200 r5:00001000 r4:7f04d000 [ 1343.759241][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.759284][ T32] r5:00001000 r4:eb7ad000 [ 1343.759305][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.759343][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.759408][ T32] r5:8576f38c r4:8576f000 [ 1343.759436][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.759484][ T32] r7:ddde2d80 r6:83018200 r5:8576f38c r4:857d4100 [ 1343.759508][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.759554][ T32] r10:61c88647 r9:84f15400 r8:857d412c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.759602][ T32] r4:857d4100 [ 1343.759697][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.759799][ T32] r10:00000000 r9:857d4100 r8:8027f5e8 r7:eba35e60 r6:857d4180 r5:84f15400 ** 5 printk messages dropped ** [ 1343.774477][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1343.775442][ T32] Call trace: ** 7 printk messages dropped ** [ 1343.776283][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1343.776567][ T32] r4:e884ddc0 ** 5 printk messages dropped ** [ 1343.776966][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1343.777395][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1343.778094][ T32] r4:84e5aa80 ** 3 printk messages dropped ** [ 1343.778312][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1343.779343][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1343.800233][ T32] r9:83018205 r8:857f8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f049000 ** 1 printk messages dropped ** [ 1343.800419][ T32] r5:00001000 r4:eb765000 ** 1 printk messages dropped ** [ 1343.800579][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1343.801084][ T32] r10:00000000 r9:857d4200 r8:8027f5e8 r7:ec6f5e60 r6:857d4280 r5:857f8c00 ** 7 printk messages dropped ** [ 1343.802384][ T32] r4:857cc000 ** 3 printk messages dropped ** [ 1343.803477][ T32] Call trace: ** 5 printk messages dropped ** [ 1343.803868][ T32] dd20: 819dd000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 7 printk messages dropped ** [ 1343.804223][ T32] r4:e884ddc0 ** 5 printk messages dropped ** [ 1343.804701][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1343.805004][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1343.805261][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1343.805626][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 8 printk messages dropped ** [ 1343.806168][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1343.807325][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.807367][ T32] r5:00001000 r4:ec537000 ** 2 printk messages dropped ** [ 1343.807510][ T32] r5:8573cf8c r4:8573cc00 ** 3 printk messages dropped ** [ 1343.807670][ T32] r10:61c88647 r9:85800000 r8:857f16ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.807692][ T32] r4:857f1680 [ 1343.807710][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.807846][ T32] r10:00000000 r9:857f1680 r8:8027f5e8 r7:ec6ade60 r6:857d4300 r5:85800000 [ 1343.807948][ T32] r4:00000001 [ 1343.807992][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.808031][ T32] Exception stack(0xec705fb0 to 0xec705ff8) [ 1343.808228][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1343.808400][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.808517][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.808724][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.808842][ T32] r4:857e5e00 [ 1343.809229][ T32] INFO: task kworker/0:427:5732 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1343.809325][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.809427][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.809472][ T32] Call trace: [ 1343.809504][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.809551][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1343.809573][ T32] r4:00000000 [ 1343.809593][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.809629][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1343.809672][ T32] dd20: 819dd000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1343.809880][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1343.841248][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.841338][ T32] r5:80070013 r4:80239bb0 [ 1343.841377][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.841482][ T32] r4:82ac11a4 [ 1343.841531][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.841756][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1343.841799][ T32] r4:e884ddc0 [ 1343.841832][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.841906][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1343.841942][ T32] r4:00000000 [ 1343.842006][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.842087][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1343.842124][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.842240][ T32] r5:00001000 r4:e884f000 [ 1343.842428][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.842501][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.842573][ T32] r5:84fe9f8c r4:84fe9c00 [ 1343.842606][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.842681][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1343.842728][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.842832][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.842873][ T32] r4:8454db00 [ 1343.842912][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.842985][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1343.843065][ T32] r4:00000001 [ 1343.843104][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.843165][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1343.843207][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.843253][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.843314][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.843367][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.843403][ T32] r4:84e5aa80 [ 1343.843441][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.843506][ T32] INFO: task kworker/0:428:5734 blocked for more than 470 seconds. [ 1343.843560][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.843598][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.843633][ T32] task:kworker/0:428 state:D stack:0 pid:5734 tgid:5734 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.843791][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.844065][ T32] Call trace: [ 1343.844200][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.844324][ T32] r10:8291880c r9:ec709d84 r8:00000002 r7:60000113 r6:ec709d8c r5:85801800 [ 1343.844378][ T32] r4:85801800 [ 1343.844425][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.844535][ T32] r5:85801800 r4:82918808 [ 1343.844590][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.844675][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.844766][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec709e08 [ 1343.844823][ T32] r4:00000000 [ 1343.844870][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.844949][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.845060][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.845167][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e5900 [ 1343.845223][ T32] r4:00000000 [ 1343.845291][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.845406][ T32] r9:83018005 r8:85801800 r7:00000000 r6:83018000 r5:00001000 r4:7f08b000 [ 1343.845457][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.845547][ T32] r5:00001000 r4:ec51f000 [ 1343.845593][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.845706][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.845827][ T32] r5:8573cb8c r4:8573c800 [ 1343.845896][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.846000][ T32] r7:dddced80 r6:83018000 r5:8573cb8c r4:857f1700 [ 1343.846053][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.846177][ T32] r10:61c88647 r9:85801800 r8:857f172c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.846259][ T32] r4:857f1700 [ 1343.846340][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.846527][ T32] r10:00000000 r9:857f1700 r8:8027f5e8 r7:ec705e60 r6:857d4380 r5:85801800 [ 1343.846604][ T32] r4:00000001 [ 1343.846650][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.846730][ T32] Exception stack(0xec709fb0 to 0xec709ff8) [ 1343.846783][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1343.846861][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.846938][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.847009][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.847082][ T32] r4:857e5f80 [ 1343.847983][ T32] INFO: task kworker/0:428:5734 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1343.848068][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.848225][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.848372][ T32] Call trace: [ 1343.848453][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 4 printk messages dropped ** [ 1343.848902][ T32] dd20: 81caa000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 8 printk messages dropped ** [ 1343.849794][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 10 printk messages dropped ** [ 1343.874409][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 4 printk messages dropped ** [ 1343.874827][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 9 printk messages dropped ** [ 1343.876572][ T32] INFO: task kworker/0:429:5736 blocked for more than 470 seconds. ** 6 printk messages dropped ** [ 1343.877416][ T32] r10:8291880c r9:ec6f9d84 r8:00000002 r7:60000113 r6:ec6f9d8c r5:857a8c00 ** 7 printk messages dropped ** [ 1343.878147][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1343.878847][ T32] r5:00001000 r4:ec58f000 [ 1343.878893][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1343.879345][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1343.898177][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1343.913290][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.913354][ T32] Call trace: [ 1343.913764][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.913841][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1343.913869][ T32] r4:00000000 [ 1343.913891][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.913933][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1343.914135][ T32] dd20: 8236e000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1343.914304][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1343.914527][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.914562][ T32] r5:80070013 r4:80239bb0 [ 1343.914756][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.914811][ T32] r4:82ac11a4 [ 1343.914938][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.914991][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1343.915016][ T32] r4:e884ddc0 [ 1343.915037][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.915087][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1343.915117][ T32] r4:00000000 [ 1343.915139][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.915186][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1343.915258][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.915306][ T32] r5:00001000 r4:e884f000 [ 1343.915326][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.915366][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.915408][ T32] r5:84fe9f8c r4:84fe9c00 [ 1343.915427][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.915474][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1343.915496][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.915541][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.915664][ T32] r4:8454db00 [ 1343.915689][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.915734][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1343.915756][ T32] r4:00000001 [ 1343.915775][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.915810][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1343.915861][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.915895][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.915922][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.915952][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.915973][ T32] r4:84e5aa80 [ 1343.916021][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.916061][ T32] INFO: task kworker/0:430:5738 blocked for more than 470 seconds. [ 1343.916097][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.916141][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.916166][ T32] task:kworker/0:430 state:D stack:0 pid:5738 tgid:5738 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.916210][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.916280][ T32] Call trace: [ 1343.916316][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.916365][ T32] r10:8291880c r9:ec701d84 r8:00000002 r7:60000013 r6:ec701d8c r5:857aa400 [ 1343.916413][ T32] r4:857aa400 [ 1343.916438][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.916478][ T32] r5:857aa400 r4:82918808 [ 1343.916498][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.916533][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.916574][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec701e08 [ 1343.916597][ T32] r4:00000000 [ 1343.916615][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.916679][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.916721][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.916763][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e8100 [ 1343.916784][ T32] r4:00000000 [ 1343.916803][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.916847][ T32] r9:83018005 r8:857aa400 r7:00000000 r6:83018000 r5:00001000 r4:7f08f000 [ 1343.916868][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.916907][ T32] r5:00001000 r4:ec549000 [ 1343.916926][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.916995][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.917040][ T32] r5:8573d38c r4:8573d000 [ 1343.917064][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.917107][ T32] r7:dddced80 r6:83018000 r5:8573d38c r4:857f1880 [ 1343.917127][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.917170][ T32] r10:61c88647 r9:857aa400 r8:857f18ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.917192][ T32] r4:857f1880 [ 1343.917263][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.917312][ T32] r10:00000000 r9:857f1880 r8:8027f5e8 r7:ec6f9e60 r6:857f1900 r5:857aa400 [ 1343.917347][ T32] r4:00000001 [ 1343.917370][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.917406][ T32] Exception stack(0xec701fb0 to 0xec701ff8) [ 1343.917456][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1343.917488][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.917516][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.917570][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.917596][ T32] r4:857e81c0 [ 1343.918101][ T32] INFO: task kworker/0:430:5738 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1343.918171][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.918392][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.918468][ T32] Call trace: [ 1343.918500][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.918548][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1343.918658][ T32] r4:00000000 [ 1343.918682][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.918720][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1343.918746][ T32] dd20: 8236e000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1343.918774][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1343.918972][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.919060][ T32] r5:80070013 r4:80239bb0 [ 1343.919086][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.919157][ T32] r4:82ac11a4 [ 1343.919183][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.919232][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1343.919255][ T32] r4:e884ddc0 [ 1343.919274][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.919399][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1343.919426][ T32] r4:00000000 [ 1343.919447][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.919492][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1343.919515][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.919557][ T32] r5:00001000 r4:e884f000 [ 1343.919578][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.919616][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.919656][ T32] r5:84fe9f8c r4:84fe9c00 [ 1343.919682][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.939674][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1343.939827][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.940951][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.940987][ T32] r4:8454db00 ** 1 printk messages dropped ** [ 1343.941074][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1343.941097][ T32] r4:00000001 [ 1343.941117][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.941154][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1343.941211][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.941243][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.941270][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.941299][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.941340][ T32] r4:84e5aa80 [ 1343.941399][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1343.941459][ T32] INFO: task kworker/0:431:5740 blocked for more than 470 seconds. [ 1343.941497][ T32] Not tainted 6.15.0-syzkaller #0 [ 1343.941547][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1343.941593][ T32] task:kworker/0:431 state:D stack:0 pid:5740 tgid:5740 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.941699][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.941850][ T32] Call trace: [ 1343.941949][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1343.942045][ T32] r10:8291880c r9:ec70dd84 r8:00000002 r7:60000113 r6:ec70dd8c r5:857ab000 [ 1343.942216][ T32] r4:857ab000 [ 1343.942252][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1343.942295][ T32] r5:857ab000 r4:82918808 [ 1343.942344][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1343.942416][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1343.942464][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec70de08 [ 1343.942514][ T32] r4:00000000 [ 1343.942604][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1343.942645][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1343.942688][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.942731][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e8280 [ 1343.942796][ T32] r4:00000000 [ 1343.942821][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.942867][ T32] r9:83018005 r8:857ab000 r7:00000000 r6:83018000 r5:00001000 r4:7f091000 [ 1343.942889][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.942929][ T32] r5:00001000 r4:ec557000 [ 1343.942948][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.943026][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.943079][ T32] r5:8573d78c r4:8573d400 [ 1343.943182][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.943234][ T32] r7:dddced80 r6:83018000 r5:8573d78c r4:857f1980 [ 1343.943255][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.943388][ T32] r10:61c88647 r9:857ab000 r8:857f19ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.943416][ T32] r4:857f1980 [ 1343.943436][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 4 printk messages dropped ** [ 1343.944238][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1343.944552][ T32] r4:857e8080 ** 2 printk messages dropped ** [ 1343.946292][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1343.946790][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 4 printk messages dropped ** [ 1343.947924][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 5 printk messages dropped ** [ 1343.948448][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 5 printk messages dropped ** [ 1343.948801][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 9 printk messages dropped ** [ 1343.949339][ T32] r4:8454db00 ** 3 printk messages dropped ** [ 1343.949544][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 9 printk messages dropped ** [ 1343.975775][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 8 printk messages dropped ** [ 1343.976469][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1343.976976][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1343.977233][ T32] r5:00001000 r4:ec56f000 [ 1343.977296][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1343.977556][ T32] r7:dddced80 r6:83018000 r5:8573db8c r4:857f1a80 ** 1 printk messages dropped ** [ 1343.977669][ T32] r10:61c88647 r9:857abc00 r8:857f1aac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1343.977706][ T32] r4:857f1a80 [ 1343.977738][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1343.977810][ T32] r10:00000000 r9:857f1a80 r8:8027f5e8 r7:ec6f9e60 r6:857f1b00 r5:857abc00 [ 1343.977847][ T32] r4:00000001 [ 1343.977881][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1343.977946][ T32] Exception stack(0xec6fdfb0 to 0xec6fdff8) [ 1343.977991][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1343.978037][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1343.978084][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1343.978133][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1343.978168][ T32] r4:857e8080 [ 1343.978988][ T32] INFO: task kworker/0:432:5741 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1343.979045][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1343.979164][ T32] Workqueue: events bpf_prog_free_deferred [ 1343.979241][ T32] Call trace: [ 1343.979295][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1343.979381][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1343.979418][ T32] r4:00000000 [ 1343.979450][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1343.979510][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1343.979584][ T32] dd20: 82b00000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1343.979638][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1343.979680][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1343.979785][ T32] r5:80070013 r4:80239bb0 [ 1343.994921][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1343.995087][ T32] r4:82ac11a4 [ 1343.995143][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1343.995248][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1343.995347][ T32] r4:e884ddc0 [ 1343.995407][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1343.995511][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1343.995570][ T32] r4:00000000 [ 1343.995620][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1343.995721][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1343.995776][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1343.995876][ T32] r5:00001000 r4:e884f000 [ 1343.995928][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1343.996043][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1343.996145][ T32] r5:84fe9f8c r4:84fe9c00 [ 1343.996193][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1343.996292][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1343.996350][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1343.996453][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1343.996609][ T32] r4:8454db00 ** 2 printk messages dropped ** [ 1343.996847][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1343.997614][ T32] r4:84e5aa80 ** 5 printk messages dropped ** [ 1343.998057][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1343.999142][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1344.021195][ T32] r5:00001000 r4:ec5af000 [ 1344.021246][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.021350][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1344.021889][ T32] r4:857f1b80 ** 6 printk messages dropped ** [ 1344.022685][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1344.024374][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1344.025041][ T32] r5:80070013 r4:80239bb0 ** 5 printk messages dropped ** [ 1344.025455][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 11 printk messages dropped ** [ 1344.026553][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1344.027397][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1344.028217][ T32] r10:8291880c r9:ec719d84 r8:00000002 r7:60000013 r6:ec719d8c r5:857ad400 ** 8 printk messages dropped ** [ 1344.028926][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1344.029502][ T32] r5:00001000 r4:ec721000 [ 1344.029548][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1344.050674][ T32] r7:dddced80 r6:83018000 r5:8573e78c r4:857f1c80 ** 1 printk messages dropped ** [ 1344.050880][ T32] r10:61c88647 r9:857ad400 r8:857f1cac r7:82804d40 r6:dddced80 r5:dddceda0 ** 5 printk messages dropped ** [ 1344.051330][ T32] Exception stack(0xec719fb0 to 0xec719ff8) ** 2 printk messages dropped ** [ 1344.051610][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.051703][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.051783][ T32] r4:857e84c0 [ 1344.052677][ T32] INFO: task kworker/0:434:5746 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.052768][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.052915][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.053018][ T32] Call trace: [ 1344.053126][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.053236][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.053292][ T32] r4:00000000 [ 1344.053353][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.053442][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.053506][ T32] dd20: 82f8f000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.053572][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.053629][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.053683][ T32] r5:80070013 r4:80239bb0 [ 1344.053736][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.053842][ T32] r4:82ac11a4 [ 1344.053892][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.053995][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.054048][ T32] r4:e884ddc0 [ 1344.054122][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.054255][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.054320][ T32] r4:00000000 [ 1344.054392][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.054519][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.054602][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.054723][ T32] r5:00001000 r4:e884f000 [ 1344.054788][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.054876][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.055005][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.055050][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.055130][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.055164][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.055237][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.055274][ T32] r4:8454db00 [ 1344.055305][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.055382][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.055417][ T32] r4:00000001 [ 1344.055467][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.055529][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.055585][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.055634][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.055677][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.055722][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.055759][ T32] r4:84e5aa80 [ 1344.055792][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.055833][ T32] INFO: task kworker/0:435:5749 blocked for more than 470 seconds. [ 1344.055911][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.055954][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.055989][ T32] task:kworker/0:435 state:D stack:0 pid:5749 tgid:5749 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.056059][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.056125][ T32] Call trace: [ 1344.056172][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.056301][ T32] r10:8291880c r9:ec725d84 r8:00000002 r7:60000113 r6:ec725d8c r5:857ae000 [ 1344.056349][ T32] r4:857ae000 [ 1344.056382][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.056448][ T32] r5:857ae000 r4:82918808 [ 1344.056479][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.056552][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.056650][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec725e08 [ 1344.056693][ T32] r4:00000000 [ 1344.056755][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.056816][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.056875][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.056943][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e8a40 [ 1344.057054][ T32] r4:00000000 [ 1344.057125][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.057203][ T32] r9:83018005 r8:857ae000 r7:00000000 r6:83018000 r5:00001000 r4:7f0a9000 [ 1344.057266][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.057374][ T32] r5:00001000 r4:ec72d000 [ 1344.057458][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.057525][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.057652][ T32] r5:8573eb8c r4:8573e800 [ 1344.057687][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.057821][ T32] r7:dddced80 r6:83018000 r5:8573eb8c r4:857f1d80 [ 1344.057858][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.057933][ T32] r10:61c88647 r9:857ae000 r8:857f1dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1344.057968][ T32] r4:857f1d80 [ 1344.057999][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.058176][ T32] r10:00000000 r9:857f1d80 r8:8027f5e8 r7:ec719e60 r6:857f1e00 r5:857ae000 [ 1344.058301][ T32] r4:00000001 [ 1344.058343][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.058422][ T32] Exception stack(0xec725fb0 to 0xec725ff8) [ 1344.058477][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1344.058530][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.058651][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.058701][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.058761][ T32] r4:857e8780 [ 1344.059243][ T32] INFO: task kworker/0:435:5749 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.059296][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.059492][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.059564][ T32] Call trace: [ 1344.059676][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.090490][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.090679][ T32] r4:00000000 [ 1344.090723][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.090817][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.090868][ T32] dd20: 83397000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.090915][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.090955][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.090996][ T32] r5:80070013 r4:80239bb0 [ 1344.091027][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.091103][ T32] r4:82ac11a4 [ 1344.091134][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.091209][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.091261][ T32] r4:e884ddc0 [ 1344.091296][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.091403][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.091449][ T32] r4:00000000 [ 1344.091493][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.091651][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.091691][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.091765][ T32] r5:00001000 r4:e884f000 [ 1344.091798][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.091861][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.091929][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.091961][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.092052][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.092092][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.092201][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.092241][ T32] r4:8454db00 [ 1344.092273][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.092352][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.092387][ T32] r4:00000001 [ 1344.092419][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.092476][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.092551][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.092652][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.092699][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.092745][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.092780][ T32] r4:84e5aa80 [ 1344.092816][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.092875][ T32] INFO: task kworker/0:436:5751 blocked for more than 470 seconds. ** 3 printk messages dropped ** [ 1344.093087][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1344.093887][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec74de08 ** 9 printk messages dropped ** [ 1344.094678][ T32] r5:00001000 r4:ec739000 [ 1344.094728][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.094825][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1344.095244][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1344.095757][ T32] Exception stack(0xec74dfb0 to 0xec74dff8) ** 2 printk messages dropped ** [ 1344.095943][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1344.097113][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1344.097526][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 6 printk messages dropped ** [ 1344.097946][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1344.098089][ T32] r4:e884ddc0 ** 2 printk messages dropped ** [ 1344.098245][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1344.098540][ T32] r5:00001000 r4:e884f000 ** 5 printk messages dropped ** [ 1344.098847][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1344.099093][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 5 printk messages dropped ** [ 1344.099350][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1344.099501][ T32] INFO: task kworker/0:437:5752 blocked for more than 470 seconds. ** 3 printk messages dropped ** [ 1344.099680][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1344.120447][ T32] r4:85805400 ** 3 printk messages dropped ** [ 1344.120665][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.120733][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec751e08 [ 1344.120771][ T32] r4:00000000 [ 1344.120803][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.120859][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.120925][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.121014][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e8e40 [ 1344.121053][ T32] r4:00000000 [ 1344.121122][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.121202][ T32] r9:83018005 r8:85805400 r7:00000000 r6:83018000 r5:00001000 r4:7f0af000 [ 1344.121333][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.121410][ T32] r5:00001000 r4:ec759000 [ 1344.121508][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.121577][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.121644][ T32] r5:8573f78c r4:8573f400 [ 1344.121676][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.121774][ T32] r7:dddced80 r6:83018000 r5:8573f78c r4:857f1f00 [ 1344.121811][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.121886][ T32] r10:61c88647 r9:85805400 r8:857f1f2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1344.121923][ T32] r4:857f1f00 [ 1344.121954][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.122041][ T32] r10:00000000 r9:857f1f00 r8:8027f5e8 r7:ec74de60 r6:857d4480 r5:85805400 [ 1344.122083][ T32] r4:00000001 [ 1344.122116][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.122176][ T32] Exception stack(0xec751fb0 to 0xec751ff8) [ 1344.122244][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1344.122317][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.122367][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.122413][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.122448][ T32] r4:857e88c0 [ 1344.123183][ T32] INFO: task kworker/0:437:5752 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.123237][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.123340][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.123410][ T32] Call trace: [ 1344.123490][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.123574][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.123612][ T32] r4:00000000 [ 1344.123647][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.123761][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.123840][ T32] dd20: 833db000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.123911][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.123972][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.124030][ T32] r5:80070013 r4:80239bb0 [ 1344.124116][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.124227][ T32] r4:82ac11a4 [ 1344.124279][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.124392][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.124453][ T32] r4:e884ddc0 [ 1344.124502][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.124602][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.124657][ T32] r4:00000000 [ 1344.124706][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.124812][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.124866][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.124965][ T32] r5:00001000 r4:e884f000 [ 1344.125019][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.125112][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.125203][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.125255][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.125390][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.125447][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.125550][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.125605][ T32] r4:8454db00 [ 1344.125649][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.125763][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.125817][ T32] r4:00000001 [ 1344.125865][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.125952][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.126016][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.126083][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.126152][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.126244][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.126302][ T32] r4:84e5aa80 [ 1344.126363][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.126425][ T32] INFO: task kworker/0:438:5755 blocked for more than 470 seconds. [ 1344.126498][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.126560][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.126619][ T32] task:kworker/0:438 state:D stack:0 pid:5755 tgid:5755 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1344.127149][ T32] r5:85803000 r4:82918808 ** 4 printk messages dropped ** [ 1344.127381][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1344.127847][ T32] r5:00001000 r4:ec745000 [ 1344.127879][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1344.128276][ T32] r10:61c88647 r9:85803000 r8:857f1fac r7:82804d40 r6:dddced80 r5:dddceda0 ** 10 printk messages dropped ** [ 1344.128891][ T32] r4:857e8bc0 ** 2 printk messages dropped ** [ 1344.129627][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1344.164507][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 12 printk messages dropped ** [ 1344.165580][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1344.166306][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1344.167052][ T32] r4:84e5aa80 ** 6 printk messages dropped ** [ 1344.167622][ T32] Call trace: ** 5 printk messages dropped ** [ 1344.168079][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1344.168365][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1344.168552][ T32] r5:00001000 r4:dfa83000 [ 1344.168577][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.168621][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.168663][ T32] r5:8573fb8c r4:8573f800 [ 1344.168683][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.168726][ T32] r7:dddced80 r6:83018000 r5:8573fb8c r4:857bf000 [ 1344.168746][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.168791][ T32] r10:61c88647 r9:85802400 r8:857bf02c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1344.168813][ T32] r4:857bf000 [ 1344.168831][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.168873][ T32] r10:00000000 r9:857bf000 r8:8027f5e8 r7:ec751e60 r6:857d4580 r5:85802400 [ 1344.168894][ T32] r4:00000001 [ 1344.168913][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.168947][ T32] Exception stack(0xec775fb0 to 0xec775ff8) [ 1344.168972][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1344.169194][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.169225][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.169254][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.169276][ T32] r4:857b8500 [ 1344.169765][ T32] INFO: task kworker/0:439:5764 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.176807][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.176989][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.177124][ T32] Call trace: [ 1344.177208][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.177346][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.177412][ T32] r4:00000000 [ 1344.177468][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.177560][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.177627][ T32] dd20: 839ab000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.177697][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.177758][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.177816][ T32] r5:80070013 r4:80239bb0 [ 1344.177866][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.177969][ T32] r4:82ac11a4 [ 1344.178019][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 6 printk messages dropped ** [ 1344.178596][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.178652][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.178743][ T32] r5:00001000 r4:e884f000 [ 1344.178766][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.178809][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.178868][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.178892][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.178941][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.178962][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.179007][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.179030][ T32] r4:8454db00 [ 1344.179049][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.179093][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.179115][ T32] r4:00000001 [ 1344.179134][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.179168][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.179194][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.179222][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.179247][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.179275][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.179315][ T32] r4:84e5aa80 [ 1344.179343][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.179372][ T32] INFO: task kworker/0:440:5766 blocked for more than 470 seconds. [ 1344.179403][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.179428][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.179449][ T32] task:kworker/0:440 state:D stack:0 pid:5766 tgid:5766 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.179492][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.179532][ T32] Call trace: [ 1344.179562][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.179609][ T32] r10:8291880c r9:ec779d84 r8:00000002 r7:60000113 r6:ec779d8c r5:85803c00 [ 1344.179633][ T32] r4:85803c00 [ 1344.179652][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.179692][ T32] r5:85803c00 r4:82918808 [ 1344.179712][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.188921][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.189062][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec779e08 [ 1344.189125][ T32] r4:00000000 [ 1344.189174][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.189261][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.189367][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.189471][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857e5740 [ 1344.189526][ T32] r4:00000000 [ 1344.189576][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.189682][ T32] r9:83018005 r8:85803c00 r7:00000000 r6:83018000 r5:00001000 r4:7f035000 ** 1 printk messages dropped ** [ 1344.190335][ T32] r5:00001000 r4:dfb91000 [ 1344.190360][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1344.190445][ T32] r5:8573ff8c r4:8573fc00 ** 1 printk messages dropped ** [ 1344.190530][ T32] r7:dddced80 r6:83018000 r5:8573ff8c r4:857bf080 ** 7 printk messages dropped ** [ 1344.191088][ T32] Exception stack(0xec779fb0 to 0xec779ff8) ** 4 printk messages dropped ** [ 1344.191444][ T32] r4:857b8500 ** 2 printk messages dropped ** [ 1344.192554][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1344.193047][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 1 printk messages dropped ** [ 1344.193104][ T32] r5:80070013 r4:80239bb0 [ 1344.193125][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.193171][ T32] r4:82ac11a4 [ 1344.193230][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.193281][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.193322][ T32] r4:e884ddc0 [ 1344.193347][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.193392][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.193415][ T32] r4:00000000 [ 1344.193436][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.193521][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.193547][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.193591][ T32] r5:00001000 r4:e884f000 [ 1344.193611][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.193649][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.193690][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.193709][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.193753][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.193773][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.193817][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.193907][ T32] r4:8454db00 [ 1344.193970][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.194018][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.194041][ T32] r4:00000001 [ 1344.194062][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.194150][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.194181][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.194280][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.194395][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.194428][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.194490][ T32] r4:84e5aa80 [ 1344.194515][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.194543][ T32] INFO: task kworker/0:441:5767 blocked for more than 470 seconds. [ 1344.194748][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.194777][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.194800][ T32] task:kworker/0:441 state:D stack:0 pid:5767 tgid:5767 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.194847][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.194962][ T32] Call trace: [ 1344.195148][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.195219][ T32] r10:8291880c r9:ec77dd84 r8:00000002 r7:60000113 r6:ec77dd8c r5:85806c00 [ 1344.195246][ T32] r4:85806c00 [ 1344.195282][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.195334][ T32] r5:85806c00 r4:82918808 [ 1344.195355][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.195479][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.195629][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec77de08 [ 1344.195655][ T32] r4:00000000 [ 1344.195690][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 2 printk messages dropped ** [ 1344.195920][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857b8040 ** 4 printk messages dropped ** [ 1344.196259][ T32] r5:00001000 r4:e06d1000 [ 1344.196279][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1344.196522][ T32] r7:dddced80 r6:83018000 r5:8587038c r4:857bf100 ** 7 printk messages dropped ** [ 1344.197195][ T32] Exception stack(0xec77dfb0 to 0xec77dff8) ** 6 printk messages dropped ** [ 1344.198355][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1344.199156][ T32] r5:80070013 r4:80239bb0 ** 7 printk messages dropped ** [ 1344.199698][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1344.231117][ T32] r5:84fe9f8c r4:84fe9c00 ** 3 printk messages dropped ** [ 1344.231511][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1344.232308][ T32] r4:84e5aa80 ** 4 printk messages dropped ** [ 1344.232658][ T32] task:kworker/0:442 state:D stack:0 pid:5769 tgid:5769 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1344.233766][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1344.234515][ T32] r5:00001000 r4:eac43000 [ 1344.234573][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1344.235142][ T32] r10:61c88647 r9:85808000 r8:857bf1ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1344.235990][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1344.237319][ T32] Call trace: ** 3 printk messages dropped ** [ 1344.237611][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 8 printk messages dropped ** [ 1344.238277][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 5 printk messages dropped ** [ 1344.238721][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.238774][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.238869][ T32] r5:00001000 r4:e884f000 [ 1344.238938][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.239035][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.239130][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.239179][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.239309][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.239383][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.239484][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.239549][ T32] r4:8454db00 [ 1344.239601][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.239717][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.270509][ T32] r4:00000001 [ 1344.270655][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.270781][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.270852][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.270924][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.270995][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.271067][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.271121][ T32] r4:84e5aa80 [ 1344.271205][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.271282][ T32] INFO: task kworker/0:443:5770 blocked for more than 470 seconds. [ 1344.271370][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.271431][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.271484][ T32] task:kworker/0:443 state:D stack:0 pid:5770 tgid:5770 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.271603][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.271709][ T32] Call trace: [ 1344.271785][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.271898][ T32] r10:8291880c r9:ec789d84 r8:00000002 r7:60000113 r6:ec789d8c r5:85808c00 [ 1344.271955][ T32] r4:85808c00 [ 1344.272005][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.272097][ T32] r5:85808c00 r4:82918808 [ 1344.272147][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.272233][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.272336][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec789e08 [ 1344.272393][ T32] r4:00000000 [ 1344.272440][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.272531][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.272625][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.272722][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857b8380 [ 1344.272808][ T32] r4:00000000 [ 1344.272876][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.272998][ T32] r9:83018005 r8:85808c00 r7:00000000 r6:83018000 r5:00001000 r4:7f03b000 [ 1344.273069][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.273170][ T32] r5:00001000 r4:eae23000 [ 1344.273219][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.273308][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.273436][ T32] r5:85870b8c r4:85870800 [ 1344.273494][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.273600][ T32] r7:dddced80 r6:83018000 r5:85870b8c r4:857bf200 [ 1344.273655][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.273763][ T32] r10:61c88647 r9:85808c00 r8:857bf22c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1344.273821][ T32] r4:857bf200 [ 1344.273869][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.273967][ T32] r10:00000000 r9:857bf200 r8:8027f5e8 r7:ec785e60 r6:857d4780 r5:85808c00 [ 1344.274021][ T32] r4:00000001 [ 1344.274069][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.274157][ T32] Exception stack(0xec789fb0 to 0xec789ff8) ** 2 printk messages dropped ** [ 1344.274383][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1344.275907][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 11 printk messages dropped ** [ 1344.276694][ T32] r4:e884ddc0 ** 4 printk messages dropped ** [ 1344.277051][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 8 printk messages dropped ** [ 1344.277817][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1344.278638][ T32] r4:84e5aa80 ** 4 printk messages dropped ** [ 1344.278914][ T32] task:kworker/0:444 state:D stack:0 pid:5771 tgid:5771 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1344.307870][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1344.308556][ T32] r5:00001000 r4:eb135000 [ 1344.308607][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1344.308955][ T32] r7:dddced80 r6:83018000 r5:85870f8c r4:857bf280 [ 1344.309007][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.309110][ T32] r10:61c88647 r9:85809800 r8:857bf2ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1344.309166][ T32] r4:857bf280 [ 1344.309216][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.309323][ T32] r10:00000000 r9:857bf280 r8:8027f5e8 r7:ec789e60 r6:857d4800 r5:85809800 [ 1344.309376][ T32] r4:00000001 [ 1344.309447][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.309562][ T32] Exception stack(0xec78dfb0 to 0xec78dff8) [ 1344.309636][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.309707][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.317554][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.317710][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.317776][ T32] r4:857b8840 [ 1344.318692][ T32] INFO: task kworker/0:444:5771 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.318780][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.318971][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.319099][ T32] Call trace: [ 1344.319178][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.319297][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.319364][ T32] r4:00000000 [ 1344.319415][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.319511][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.319602][ T32] dd20: 8425a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.319677][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.319737][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.319844][ T32] r5:80070013 r4:80239bb0 [ 1344.320841][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.320998][ T32] r4:82ac11a4 [ 1344.321087][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.321197][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.321254][ T32] r4:e884ddc0 [ 1344.321304][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.321447][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.321526][ T32] r4:00000000 [ 1344.321581][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.321686][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.321758][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.321867][ T32] r5:00001000 r4:e884f000 [ 1344.321934][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.322070][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.322169][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.322271][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.322388][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.322460][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.322568][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.322622][ T32] r4:8454db00 [ 1344.322674][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.322782][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.322838][ T32] r4:00000001 [ 1344.322889][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.322979][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.323067][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.323140][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.323221][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.323293][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1344.323795][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1344.324424][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1344.325251][ T32] r5:00001000 r4:eb25d000 [ 1344.325297][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.325388][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1344.325711][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1344.326262][ T32] Exception stack(0xec791fb0 to 0xec791ff8) ** 4 printk messages dropped ** [ 1344.326606][ T32] r4:857b8840 ** 2 printk messages dropped ** [ 1344.327723][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1344.328209][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 10 printk messages dropped ** [ 1344.329031][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1344.360556][ T32] r5:84fe9f8c r4:84fe9c00 ** 3 printk messages dropped ** [ 1344.360922][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.360946][ T32] r4:8454db00 [ 1344.360965][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.361011][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.361033][ T32] r4:00000001 [ 1344.361055][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.361093][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.361123][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.361152][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.361178][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.361205][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.361226][ T32] r4:84e5aa80 [ 1344.361250][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.361291][ T32] INFO: task kworker/0:446:5773 blocked for more than 470 seconds. [ 1344.361335][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.361361][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.361383][ T32] task:kworker/0:446 state:D stack:0 pid:5773 tgid:5773 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.361535][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.361650][ T32] Call trace: [ 1344.361725][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.361830][ T32] r10:8291880c r9:ec795d84 r8:00000002 r7:60000113 r6:ec795d8c r5:8580b000 [ 1344.361896][ T32] r4:8580b000 [ 1344.361943][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.362057][ T32] r5:8580b000 r4:82918808 [ 1344.362108][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.362182][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.362316][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec795e08 [ 1344.362396][ T32] r4:00000000 [ 1344.362443][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.362521][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.362610][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.362707][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857b8680 [ 1344.362753][ T32] r4:00000000 [ 1344.362795][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.362905][ T32] r9:83018005 r8:8580b000 r7:00000000 r6:83018000 r5:00001000 r4:7f041000 [ 1344.362960][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.363043][ T32] r5:00001000 r4:eb38d000 [ 1344.363091][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.363173][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.363252][ T32] r5:8587178c r4:85871400 [ 1344.363307][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.363400][ T32] r7:dddced80 r6:83018000 r5:8587178c r4:857bf380 [ 1344.363473][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.363572][ T32] r10:61c88647 r9:8580b000 r8:857bf3ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1344.363629][ T32] r4:857bf380 [ 1344.363672][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.363766][ T32] r10:00000000 r9:857bf380 r8:8027f5e8 r7:ec791e60 r6:857d4900 r5:8580b000 [ 1344.363816][ T32] r4:00000001 [ 1344.363856][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.363948][ T32] Exception stack(0xec795fb0 to 0xec795ff8) [ 1344.364072][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1344.364140][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.364200][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.364379][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.364458][ T32] r4:857b8840 [ 1344.365279][ T32] INFO: task kworker/0:446:5773 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.365382][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.365540][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.365628][ T32] Call trace: [ 1344.365713][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.365815][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.365877][ T32] r4:00000000 [ 1344.365906][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.365990][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.366064][ T32] dd20: 844fe000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.366143][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.366264][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.366333][ T32] r5:80070013 r4:80239bb0 [ 1344.366378][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.366467][ T32] r4:82ac11a4 [ 1344.366508][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.366634][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.366698][ T32] r4:e884ddc0 [ 1344.366738][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.366788][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.366812][ T32] r4:00000000 [ 1344.366831][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.366876][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 4 printk messages dropped ** [ 1344.367108][ T32] r5:84fe9f8c r4:84fe9c00 ** 4 printk messages dropped ** [ 1344.367483][ T32] r4:8454db00 ** 3 printk messages dropped ** [ 1344.367741][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1344.368454][ T32] INFO: task kworker/0:447:5774 blocked for more than 470 seconds. ** 7 printk messages dropped ** [ 1344.369162][ T32] r4:8580bc00 ** 2 printk messages dropped ** [ 1344.369373][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.369453][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.369566][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec799e08 [ 1344.369691][ T32] r4:00000000 [ 1344.369739][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.400612][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.400853][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.400955][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857b8780 [ 1344.401035][ T32] r4:00000000 [ 1344.401089][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.401183][ T32] r9:83018005 r8:8580bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f043000 [ 1344.401226][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.401331][ T32] r5:00001000 r4:eb3eb000 [ 1344.401404][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.401499][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.401587][ T32] r5:85871b8c r4:85871800 [ 1344.401629][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.401717][ T32] r7:dddced80 r6:83018000 r5:85871b8c r4:857bf400 [ 1344.401759][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.401842][ T32] r10:61c88647 r9:8580bc00 r8:857bf42c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1344.401885][ T32] r4:857bf400 [ 1344.401925][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.402033][ T32] r10:00000000 r9:857bf400 r8:8027f5e8 r7:ec795e60 r6:857d4980 r5:8580bc00 ** 2 printk messages dropped ** [ 1344.402286][ T32] Exception stack(0xec799fb0 to 0xec799ff8) ** 7 printk messages dropped ** [ 1344.404188][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1344.405089][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 7 printk messages dropped ** [ 1344.406122][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 10 printk messages dropped ** [ 1344.407430][ T32] r5:84fe9f8c r4:84fe9c00 ** 4 printk messages dropped ** [ 1344.408613][ T32] r4:8454db00 ** 3 printk messages dropped ** [ 1344.409092][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 9 printk messages dropped ** [ 1344.440772][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 10 printk messages dropped ** [ 1344.442758][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec79de08 ** 8 printk messages dropped ** [ 1344.443624][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.443796][ T32] r5:00001000 r4:eb591000 ** 1 printk messages dropped ** [ 1344.443931][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1344.444981][ T32] r10:61c88647 r9:8580c800 r8:857bf4ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 6 printk messages dropped ** [ 1344.445483][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1344.446778][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.446903][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.446998][ T32] Call trace: [ 1344.447074][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.447181][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.447233][ T32] r4:00000000 [ 1344.447278][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.447369][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.447430][ T32] dd20: 84b45000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.447491][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.447544][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.447621][ T32] r5:80070013 r4:80239bb0 [ 1344.447681][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.447777][ T32] r4:82ac11a4 [ 1344.447821][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.447917][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.448010][ T32] r4:e884ddc0 [ 1344.448063][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.448159][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.448206][ T32] r4:00000000 [ 1344.448251][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.448358][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.448406][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.448489][ T32] r5:00001000 r4:e884f000 [ 1344.448533][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.448615][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.448700][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.448744][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.448838][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.448883][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.448995][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.449057][ T32] r4:8454db00 [ 1344.449123][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.449223][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.449270][ T32] r4:00000001 [ 1344.449431][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.449531][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.449586][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.449642][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.449693][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.449784][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.470896][ T32] r4:84e5aa80 [ 1344.470990][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.471076][ T32] INFO: task kworker/0:449:5776 blocked for more than 470 seconds. [ 1344.471152][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.471208][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.471256][ T32] task:kworker/0:449 state:D stack:0 pid:5776 tgid:5776 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.471385][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.471507][ T32] Call trace: [ 1344.471578][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.471688][ T32] r10:8291880c r9:ec7a1d84 r8:00000002 r7:60000113 r6:ec7a1d8c r5:8580d400 [ 1344.471734][ T32] r4:8580d400 [ 1344.471775][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.471856][ T32] r5:8580d400 r4:82918808 [ 1344.471899][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.471977][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.472060][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7a1e08 [ 1344.472110][ T32] r4:00000000 [ 1344.472149][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.472222][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.472316][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.472406][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858567c0 [ 1344.472450][ T32] r4:00000000 [ 1344.472492][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.472585][ T32] r9:83018005 r8:8580d400 r7:00000000 r6:83018000 r5:00001000 r4:7f0df000 [ 1344.472629][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.472713][ T32] r5:00001000 r4:ec9ff000 [ 1344.472754][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.472829][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.472906][ T32] r5:85905b8c r4:85905800 [ 1344.472948][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1344.473264][ T32] r4:857bf500 ** 5 printk messages dropped ** [ 1344.473972][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1344.475591][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1344.475960][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 8 printk messages dropped ** [ 1344.476543][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 9 printk messages dropped ** [ 1344.477193][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1344.477702][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 7 printk messages dropped ** [ 1344.478304][ T32] r4:84e5aa80 ** 3 printk messages dropped ** [ 1344.478673][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 7 printk messages dropped ** [ 1344.479714][ T32] r5:8580e000 r4:82918808 ** 4 printk messages dropped ** [ 1344.506444][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1344.507033][ T32] r5:00001000 r4:eb787000 [ 1344.507082][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.507165][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.507252][ T32] r5:8587238c r4:85872000 [ 1344.507304][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.507401][ T32] r7:dddced80 r6:83018000 r5:8587238c r4:857bf580 [ 1344.507446][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.507541][ T32] r10:61c88647 r9:8580e000 r8:857bf5ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1344.507586][ T32] r4:857bf580 [ 1344.507627][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.507716][ T32] r10:00000000 r9:857bf580 r8:8027f5e8 r7:ec7a1e60 r6:857d4b00 r5:8580e000 [ 1344.507763][ T32] r4:00000001 [ 1344.507806][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.507890][ T32] Exception stack(0xec781fb0 to 0xec781ff8) [ 1344.507953][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1344.508045][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.508131][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.508204][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.508255][ T32] r4:857b8840 [ 1344.509104][ T32] INFO: task kworker/0:450:5777 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.509202][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.509392][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.509493][ T32] Call trace: [ 1344.509565][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.509664][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.509712][ T32] r4:00000000 [ 1344.509752][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.530591][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.530726][ T32] dd20: 8522b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.530821][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.530924][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.530990][ T32] r5:80070013 r4:80239bb0 [ 1344.531047][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.531220][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1344.531564][ T32] r4:e884ddc0 ** 6 printk messages dropped ** [ 1344.532529][ T32] r5:00001000 r4:e884f000 ** 5 printk messages dropped ** [ 1344.533324][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1344.534232][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1344.535123][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1344.536774][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1344.537784][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.537863][ T32] r5:00001000 r4:ec471000 [ 1344.537903][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.537975][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.538061][ T32] r5:8587278c r4:85872400 [ 1344.538124][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.538251][ T32] r7:dddced80 r6:83018000 r5:8587278c r4:857bf600 [ 1344.538303][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.538395][ T32] r10:61c88647 r9:8580ec00 r8:857bf62c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1344.538438][ T32] r4:857bf600 [ 1344.538485][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.538616][ T32] r10:00000000 r9:857bf600 r8:8027f5e8 r7:ec7a1e60 r6:857d4b80 r5:8580ec00 [ 1344.538672][ T32] r4:00000001 [ 1344.538713][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.538791][ T32] Exception stack(0xec7adfb0 to 0xec7adff8) [ 1344.538846][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.538903][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.538979][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.539047][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.539104][ T32] r4:857b8b00 [ 1344.554418][ T32] INFO: task kworker/0:451:5781 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.554588][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.554765][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.554907][ T32] Call trace: [ 1344.555034][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.555150][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.555200][ T32] r4:00000000 [ 1344.555243][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.555332][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.555415][ T32] dd20: 8539a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.555479][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.555547][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.555626][ T32] r5:80070013 r4:80239bb0 [ 1344.555684][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.555777][ T32] r4:82ac11a4 [ 1344.555841][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.555965][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.556060][ T32] r4:e884ddc0 [ 1344.556206][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.556310][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.556369][ T32] r4:00000000 [ 1344.556414][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.556505][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.556568][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 6 printk messages dropped ** [ 1344.557097][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1344.557652][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1344.558423][ T32] Call trace: ** 7 printk messages dropped ** [ 1344.559133][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7b1e08 ** 5 printk messages dropped ** [ 1344.559568][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1344.590469][ T32] r5:00001000 r4:eb93d000 ** 1 printk messages dropped ** [ 1344.590691][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1344.591118][ T32] r4:857d4c00 ** 4 printk messages dropped ** [ 1344.591486][ T32] Exception stack(0xec7b1fb0 to 0xec7b1ff8) ** 6 printk messages dropped ** [ 1344.592765][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1344.593601][ T32] r5:80070013 r4:80239bb0 ** 5 printk messages dropped ** [ 1344.594041][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 11 printk messages dropped ** [ 1344.594964][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1344.595455][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1344.596160][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1344.596842][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1344.597164][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1344.597601][ T32] r5:00001000 r4:eb7d3000 [ 1344.597642][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1344.597969][ T32] r7:ddde2d80 r6:83018200 r5:8576f78c r4:857d4d00 ** 2 printk messages dropped ** [ 1344.598166][ T32] r4:857d4d00 ** 4 printk messages dropped ** [ 1344.598530][ T32] Exception stack(0xec73dfb0 to 0xec73dff8) ** 4 printk messages dropped ** [ 1344.598799][ T32] r4:8560e000 ** 3 printk messages dropped ** [ 1344.620365][ T32] Call trace: ** 4 printk messages dropped ** [ 1344.620923][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 3 printk messages dropped ** [ 1344.621189][ T32] r5:80070013 r4:80239bb0 [ 1344.621236][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.621342][ T32] r4:82ac11a4 [ 1344.621386][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.621478][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.621527][ T32] r4:e884ddc0 [ 1344.621570][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.621663][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.621712][ T32] r4:00000000 [ 1344.621756][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.621850][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.621904][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.621997][ T32] r5:00001000 r4:e884f000 [ 1344.622049][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.622133][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.622244][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.622307][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.622400][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.622469][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.622583][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.622657][ T32] r4:8454db00 [ 1344.622702][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.622792][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.622839][ T32] r4:00000001 [ 1344.622929][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.623015][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.623074][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.623128][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.623177][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.623231][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.623271][ T32] r4:84e5aa80 [ 1344.623324][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.623382][ T32] INFO: task kworker/1:872:5788 blocked for more than 471 seconds. [ 1344.623455][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.623527][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.623576][ T32] task:kworker/1:872 state:D stack:0 pid:5788 tgid:5788 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.623686][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.623837][ T32] Call trace: [ 1344.623913][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.624017][ T32] r10:8291880c r9:ec7bdd84 r8:00000002 r7:60000013 r6:ec7bdd8c r5:857a9800 [ 1344.624070][ T32] r4:857a9800 [ 1344.624108][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.624189][ T32] r5:857a9800 r4:82918808 [ 1344.624232][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.624316][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.624395][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7bde08 [ 1344.624452][ T32] r4:00000000 [ 1344.624519][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.624603][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.624674][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.624768][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8560e400 [ 1344.624838][ T32] r4:00000000 [ 1344.624887][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.624975][ T32] r9:83018205 r8:857a9800 r7:00000000 r6:83018200 r5:00001000 r4:7f053000 [ 1344.625015][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.625095][ T32] r5:00001000 r4:ebb33000 [ 1344.625132][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.625203][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.625292][ T32] r5:8576ff8c r4:8576fc00 [ 1344.625334][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.625423][ T32] r7:ddde2d80 r6:83018200 r5:8576ff8c r4:857d4d80 [ 1344.625467][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.625550][ T32] r10:61c88647 r9:857a9800 r8:857d4dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.625592][ T32] r4:857d4d80 [ 1344.625629][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.625710][ T32] r10:00000000 r9:857d4d80 r8:8027f5e8 r7:ec7b1e60 r6:857bf700 r5:857a9800 [ 1344.625778][ T32] r4:00000001 [ 1344.625830][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.625900][ T32] Exception stack(0xec7bdfb0 to 0xec7bdff8) [ 1344.625953][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.626010][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.626066][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.626129][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.626178][ T32] r4:8560e140 [ 1344.627091][ T32] INFO: task kworker/1:872:5788 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.627165][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.627319][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.627412][ T32] Call trace: [ 1344.627484][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.627580][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.627628][ T32] r4:00000000 [ 1344.627671][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.627747][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.627806][ T32] dd20: 859fc000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.627863][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.627911][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.627958][ T32] r5:80070013 r4:80239bb0 [ 1344.628031][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.628123][ T32] r4:82ac11a4 [ 1344.628165][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.628255][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.628313][ T32] r4:e884ddc0 [ 1344.628377][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.628481][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.628529][ T32] r4:00000000 [ 1344.628574][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.628667][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.628714][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.628796][ T32] r5:00001000 r4:e884f000 [ 1344.628841][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.628944][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.629046][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.629093][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.629193][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.629239][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.629338][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.629389][ T32] r4:8454db00 [ 1344.629429][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.629512][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.629563][ T32] r4:00000001 [ 1344.629604][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.629678][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.629793][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.651924][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.652021][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.652093][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.652217][ T32] r4:84e5aa80 [ 1344.652286][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.652350][ T32] INFO: task kworker/1:873:5789 blocked for more than 471 seconds. [ 1344.652420][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.652471][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.652516][ T32] task:kworker/1:873 state:D stack:0 pid:5789 tgid:5789 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.652654][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.652777][ T32] Call trace: [ 1344.652874][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.652984][ T32] r10:8291880c r9:ec7c1d84 r8:00000002 r7:60000113 r6:ec7c1d8c r5:857a8000 [ 1344.653032][ T32] r4:857a8000 [ 1344.653076][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.653156][ T32] r5:857a8000 r4:82918808 [ 1344.653197][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.653273][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.653375][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7c1e08 [ 1344.653427][ T32] r4:00000000 [ 1344.653478][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.653559][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.653667][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.653763][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8560e940 [ 1344.653808][ T32] r4:00000000 [ 1344.653848][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.653935][ T32] r9:83018205 r8:857a8000 r7:00000000 r6:83018200 r5:00001000 r4:7f05b000 [ 1344.653979][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.654074][ T32] r5:00001000 r4:ec3e3000 [ 1344.654125][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.654234][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.654340][ T32] r5:858e8f8c r4:858e8c00 [ 1344.654388][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.654484][ T32] r7:ddde2d80 r6:83018200 r5:858e8f8c r4:857d4e00 [ 1344.654583][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.654714][ T32] r10:61c88647 r9:857a8000 r8:857d4e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.654839][ T32] r4:857d4e00 [ 1344.654897][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.654994][ T32] r10:00000000 r9:857d4e00 r8:8027f5e8 r7:ec7bde60 r6:857bf780 r5:857a8000 [ 1344.655047][ T32] r4:00000001 [ 1344.655092][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.655174][ T32] Exception stack(0xec7c1fb0 to 0xec7c1ff8) [ 1344.655247][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1344.655325][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.655388][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.655450][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.655501][ T32] r4:8560e280 [ 1344.656379][ T32] INFO: task kworker/1:873:5789 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.656478][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.656608][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.656708][ T32] Call trace: [ 1344.656776][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.656881][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.656932][ T32] r4:00000000 [ 1344.656975][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.657063][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.657122][ T32] dd20: 85e1a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.657183][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.657238][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.657297][ T32] r5:80070013 r4:80239bb0 [ 1344.657342][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.657437][ T32] r4:82ac11a4 [ 1344.657484][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.657582][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.657653][ T32] r4:e884ddc0 [ 1344.657705][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.657800][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.657847][ T32] r4:00000000 [ 1344.657891][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.657984][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.658033][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.658128][ T32] r5:00001000 r4:e884f000 [ 1344.658177][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.658310][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.658406][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.658456][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.658555][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.658602][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.658704][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.658791][ T32] r4:8454db00 [ 1344.658842][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.658934][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.658987][ T32] r4:00000001 [ 1344.659031][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.659117][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.659175][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.659232][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.659302][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.659363][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.659410][ T32] r4:84e5aa80 [ 1344.659457][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.659527][ T32] INFO: task kworker/1:874:5791 blocked for more than 471 seconds. [ 1344.659589][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.659643][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.659712][ T32] task:kworker/1:874 state:D stack:0 pid:5791 tgid:5791 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.690343][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.690422][ T32] Call trace: [ 1344.690459][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.690519][ T32] r10:8291880c r9:ec7c9d84 r8:00000002 r7:60000113 r6:ec7c9d8c r5:84e60000 [ 1344.690544][ T32] r4:84e60000 [ 1344.690565][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.690605][ T32] r5:84e60000 r4:82918808 [ 1344.690626][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.690664][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.690706][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7c9e08 [ 1344.690729][ T32] r4:00000000 [ 1344.690749][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.690797][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.690845][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.690889][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8560e540 [ 1344.690913][ T32] r4:00000000 [ 1344.690973][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.691026][ T32] r9:83018205 r8:84e60000 r7:00000000 r6:83018200 r5:00001000 r4:7f055000 [ 1344.691056][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.691100][ T32] r5:00001000 r4:ec389000 [ 1344.691121][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.691161][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.691233][ T32] r5:858e838c r4:858e8000 [ 1344.691260][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.691327][ T32] r7:ddde2d80 r6:83018200 r5:858e838c r4:857d4e80 [ 1344.691353][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.691401][ T32] r10:61c88647 r9:84e60000 r8:857d4eac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.691424][ T32] r4:857d4e80 [ 1344.691444][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.691489][ T32] r10:00000000 r9:857d4e80 r8:8027f5e8 r7:ec7c1e60 r6:857bf800 r5:84e60000 [ 1344.691513][ T32] r4:00000001 [ 1344.691534][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.691573][ T32] Exception stack(0xec7c9fb0 to 0xec7c9ff8) [ 1344.691621][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1344.691684][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.691714][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.691743][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.691765][ T32] r4:8560e480 [ 1344.692275][ T32] INFO: task kworker/1:874:5791 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.692311][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.692368][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.692411][ T32] Call trace: [ 1344.692440][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.692487][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.692509][ T32] r4:00000000 [ 1344.692528][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.692565][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.692604][ T32] dd20: 86573000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.692687][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.692745][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.692774][ T32] r5:80070013 r4:80239bb0 [ 1344.692795][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.692841][ T32] r4:82ac11a4 [ 1344.692861][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.692906][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.692928][ T32] r4:e884ddc0 [ 1344.692946][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.692989][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.693010][ T32] r4:00000000 [ 1344.693029][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.693078][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.693111][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.693157][ T32] r5:00001000 r4:e884f000 [ 1344.693179][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.693235][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.693282][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.693333][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.693384][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.693423][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.693511][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.693538][ T32] r4:8454db00 [ 1344.693557][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.693601][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.693624][ T32] r4:00000001 [ 1344.693643][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.693677][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.693702][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.693729][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.693755][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.693808][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.693852][ T32] r4:84e5aa80 [ 1344.693876][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.693923][ T32] INFO: task kworker/1:875:5793 blocked for more than 471 seconds. [ 1344.693963][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.693988][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.694009][ T32] task:kworker/1:875 state:D stack:0 pid:5793 tgid:5793 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.694083][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.694122][ T32] Call trace: [ 1344.694184][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.694295][ T32] r10:8291880c r9:ec7d1d84 r8:00000002 r7:60000113 r6:ec7d1d8c r5:84e61800 [ 1344.694324][ T32] r4:84e61800 [ 1344.694343][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.694381][ T32] r5:84e61800 r4:82918808 [ 1344.694400][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.694437][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.694477][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7d1e08 [ 1344.694499][ T32] r4:00000000 [ 1344.694528][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.694595][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.694636][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.694678][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8560e6c0 [ 1344.694699][ T32] r4:00000000 [ 1344.694718][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.694760][ T32] r9:83018205 r8:84e61800 r7:00000000 r6:83018200 r5:00001000 r4:7f057000 [ 1344.694799][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.694843][ T32] r5:00001000 r4:ec3a3000 [ 1344.694873][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.694914][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.694956][ T32] r5:858e878c r4:858e8400 [ 1344.694975][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.695017][ T32] r7:ddde2d80 r6:83018200 r5:858e878c r4:857d4f00 [ 1344.695042][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.695087][ T32] r10:61c88647 r9:84e61800 r8:857d4f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.695108][ T32] r4:857d4f00 [ 1344.695127][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.695217][ T32] r10:00000000 r9:857d4f00 r8:8027f5e8 r7:ec7c1e60 r6:857bf880 r5:84e61800 [ 1344.695243][ T32] r4:00000001 [ 1344.695263][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.695298][ T32] Exception stack(0xec7d1fb0 to 0xec7d1ff8) [ 1344.695323][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1344.695352][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.695377][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.695404][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.695426][ T32] r4:8560e3c0 [ 1344.695788][ T32] INFO: task kworker/1:875:5793 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.695827][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.695935][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.696030][ T32] Call trace: [ 1344.696079][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.696128][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.696152][ T32] r4:00000000 [ 1344.696172][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.696208][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.696235][ T32] dd20: 86573000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.696263][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.696288][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.696322][ T32] r5:80070013 r4:80239bb0 [ 1344.696364][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.696412][ T32] r4:82ac11a4 [ 1344.696432][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.696477][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.696518][ T32] r4:e884ddc0 [ 1344.696546][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.696591][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.696613][ T32] r4:00000000 [ 1344.696632][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.696673][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.696712][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.696762][ T32] r5:00001000 r4:e884f000 [ 1344.696784][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.696832][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.696877][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.696897][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.696942][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.696982][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.697030][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.697059][ T32] r4:8454db00 [ 1344.697078][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.697140][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.697171][ T32] r4:00000001 [ 1344.697190][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.697244][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.697273][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.697340][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.697370][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.697417][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.697444][ T32] r4:84e5aa80 [ 1344.697465][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.697491][ T32] INFO: task kworker/1:876:5794 blocked for more than 471 seconds. [ 1344.697518][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.697540][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.697561][ T32] task:kworker/1:876 state:D stack:0 pid:5794 tgid:5794 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.697602][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.697655][ T32] Call trace: [ 1344.697685][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.697744][ T32] r10:8291880c r9:ec7d5d84 r8:00000002 r7:60000113 r6:ec7d5d8c r5:84e62400 [ 1344.697769][ T32] r4:84e62400 [ 1344.697788][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.697879][ T32] r5:84e62400 r4:82918808 [ 1344.697902][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.697937][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.697978][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7d5e08 [ 1344.697999][ T32] r4:00000000 [ 1344.698026][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.698069][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.698106][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.698147][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8560e840 ** 4 printk messages dropped ** [ 1344.698351][ T32] r5:00001000 r4:ec3b5000 [ 1344.698370][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.698406][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.698445][ T32] r5:858e8b8c r4:858e8800 [ 1344.698483][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1344.698635][ T32] r10:61c88647 r9:84e62400 r8:857d4fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1344.698885][ T32] Exception stack(0xec7d5fb0 to 0xec7d5ff8) ** 2 printk messages dropped ** [ 1344.698969][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1344.699416][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1344.714346][ T32] dd20: 867b0000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 4 printk messages dropped ** [ 1344.714535][ T32] r4:82ac11a4 [ 1344.714561][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.714611][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.714645][ T32] r4:e884ddc0 [ 1344.714697][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.714785][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.714812][ T32] r4:00000000 [ 1344.714849][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.714931][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.714959][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.715005][ T32] r5:00001000 r4:e884f000 [ 1344.715026][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.715075][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.715117][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.715137][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.715182][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.715202][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.715246][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.715268][ T32] r4:8454db00 [ 1344.715287][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.715343][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.715370][ T32] r4:00000001 [ 1344.715389][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.715426][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.715453][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.715480][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.715506][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.715534][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.715556][ T32] r4:84e5aa80 [ 1344.715579][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.715621][ T32] INFO: task kworker/1:877:5797 blocked for more than 471 seconds. [ 1344.715685][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.715742][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.715769][ T32] task:kworker/1:877 state:D stack:0 pid:5797 tgid:5797 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.715828][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.715940][ T32] Call trace: [ 1344.715995][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.716067][ T32] r10:8291880c r9:ec7e1d84 r8:00000002 r7:60000013 r6:ec7e1d8c r5:84e64800 [ 1344.716092][ T32] r4:84e64800 [ 1344.716111][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.716151][ T32] r5:84e64800 r4:82918808 [ 1344.716232][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.716291][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.716343][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7e1e08 [ 1344.716365][ T32] r4:00000000 [ 1344.716385][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.716419][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.716458][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.716499][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8560efc0 [ 1344.716520][ T32] r4:00000000 [ 1344.716539][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.716582][ T32] r9:83018205 r8:84e64800 r7:00000000 r6:83018200 r5:00001000 r4:7f09d000 [ 1344.716605][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.716673][ T32] r5:00001000 r4:ec447000 [ 1344.716696][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.716744][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1344.716921][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1344.717323][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1344.718265][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 7 printk messages dropped ** [ 1344.718633][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 12 printk messages dropped ** [ 1344.719186][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1344.719494][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1344.736467][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1344.737140][ T32] r10:8291880c r9:ec7e5d84 r8:00000002 r7:60000013 r6:ec7e5d8c r5:84e63000 ** 8 printk messages dropped ** [ 1344.737528][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1344.737812][ T32] r5:00001000 r4:ec3ef000 [ 1344.737863][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1344.738147][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.738256][ T32] r10:61c88647 r9:84e63000 r8:8567a0ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.738298][ T32] r4:8567a080 [ 1344.738326][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.738375][ T32] r10:00000000 r9:8567a080 r8:8027f5e8 r7:ec7e1e60 r6:857bfa00 r5:84e63000 [ 1344.738411][ T32] r4:00000001 [ 1344.738459][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.738538][ T32] Exception stack(0xec7e5fb0 to 0xec7e5ff8) [ 1344.738593][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1344.738649][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.738728][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.738795][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.738844][ T32] r4:8560e7c0 [ 1344.739611][ T32] INFO: task kworker/1:878:5798 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.739654][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.739788][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.758948][ T32] Call trace: [ 1344.758996][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.759087][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.759113][ T32] r4:00000000 [ 1344.759133][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.759174][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.759206][ T32] dd20: 87050000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.759235][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.759282][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.759315][ T32] r5:80070013 r4:80239bb0 [ 1344.759338][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.759387][ T32] r4:82ac11a4 [ 1344.759407][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.759460][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.759535][ T32] r4:e884ddc0 [ 1344.759564][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.759641][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.759702][ T32] r4:00000000 [ 1344.759780][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.760146][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.760181][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.760238][ T32] r5:00001000 r4:e884f000 [ 1344.760259][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.760301][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.760362][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.760401][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.760451][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.760483][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.760532][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.760555][ T32] r4:8454db00 [ 1344.760581][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.760675][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.760700][ T32] r4:00000001 [ 1344.760721][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.760758][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 10 printk messages dropped ** [ 1344.761208][ T32] Workqueue: events bpf_prog_free_deferred ** 14 printk messages dropped ** [ 1344.761979][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1344.762120][ T32] r5:00001000 r4:ec407000 ** 12 printk messages dropped ** [ 1344.762750][ T32] Exception stack(0xec7edfb0 to 0xec7edff8) ** 16 printk messages dropped ** [ 1344.764276][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.764308][ T32] r5:80070013 r4:80239bb0 [ 1344.764347][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.764418][ T32] r4:82ac11a4 [ 1344.764456][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.764530][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.764564][ T32] r4:e884ddc0 [ 1344.764584][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.764647][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.764675][ T32] r4:00000000 [ 1344.764713][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.764810][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.764863][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.764928][ T32] r5:00001000 r4:e884f000 [ 1344.764970][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1344.765324][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 15 printk messages dropped ** [ 1344.766184][ T32] Not tainted 6.15.0-syzkaller #0 ** 3 printk messages dropped ** [ 1344.766518][ T32] Call trace: [ 1344.766598][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.766714][ T32] r10:8291880c r9:ec7f9d84 r8:00000002 r7:60000013 r6:ec7f9d8c r5:84e65400 [ 1344.766768][ T32] r4:84e65400 [ 1344.766810][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.766895][ T32] r5:84e65400 r4:82918808 [ 1344.766940][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.767014][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.767108][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7f9e08 [ 1344.767158][ T32] r4:00000000 [ 1344.767210][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.767292][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.767372][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.767465][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8560ed00 ** 4 printk messages dropped ** [ 1344.767790][ T32] r5:00001000 r4:ec41d000 [ 1344.767833][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.767911][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1344.768209][ T32] r7:ddde2d80 r6:83018200 r5:858e9b8c r4:8567a180 ** 8 printk messages dropped ** [ 1344.768779][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1344.769546][ T32] Call trace: ** 5 printk messages dropped ** [ 1344.769852][ T32] dd20: 87050000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 12 printk messages dropped ** [ 1344.792909][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 8 printk messages dropped ** [ 1344.793448][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1344.793892][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1344.794364][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1344.794745][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1344.795135][ T32] r5:00001000 r4:ec42f000 [ 1344.795153][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1344.795391][ T32] r7:ddde2d80 r6:83018200 r5:858e9f8c r4:8567a200 ** 7 printk messages dropped ** [ 1344.795681][ T32] Exception stack(0xec7fdfb0 to 0xec7fdff8) ** 6 printk messages dropped ** [ 1344.796428][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1344.796716][ T32] r4:00000000 [ 1344.796753][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.796794][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.796823][ T32] dd20: 874da000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.796857][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.796884][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.796907][ T32] r5:80070013 r4:80239bb0 [ 1344.796927][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.796970][ T32] r4:82ac11a4 [ 1344.796991][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.797053][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.797121][ T32] r4:e884ddc0 [ 1344.797163][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.797239][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.797273][ T32] r4:00000000 [ 1344.797328][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.797377][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.797429][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.797482][ T32] r5:00001000 r4:e884f000 [ 1344.797506][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.797547][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.797587][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.797606][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.797651][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.797672][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.797735][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.797760][ T32] r4:8454db00 [ 1344.797780][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.797823][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.797851][ T32] r4:00000001 [ 1344.797872][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.797907][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.797956][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.798023][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.798097][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.798133][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.798156][ T32] r4:84e5aa80 [ 1344.798228][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.798290][ T32] INFO: task kworker/1:882:5807 blocked for more than 471 seconds. [ 1344.798344][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.798393][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.798425][ T32] task:kworker/1:882 state:D stack:0 pid:5807 tgid:5807 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.798505][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.798569][ T32] Call trace: [ 1344.798601][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.798719][ T32] r10:8291880c r9:ec801d84 r8:00000002 r7:60000113 r6:ec801d8c r5:84e66c00 [ 1344.798768][ T32] r4:84e66c00 [ 1344.798804][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.798853][ T32] r5:84e66c00 r4:82918808 [ 1344.798873][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 1 printk messages dropped ** [ 1344.799089][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec801e08 ** 9 printk messages dropped ** [ 1344.799488][ T32] r5:00001000 r4:ec489000 [ 1344.799529][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.799572][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1344.817910][ T32] r10:61c88647 r9:84e66c00 r8:8567a2ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1344.818555][ T32] r4:857ccb00 ** 2 printk messages dropped ** [ 1344.819370][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1344.833911][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 9 printk messages dropped ** [ 1344.834475][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1344.834748][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1344.835185][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1344.835408][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1344.835953][ T32] r4:84e66000 ** 4 printk messages dropped ** [ 1344.836134][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec805e08 ** 9 printk messages dropped ** [ 1344.836544][ T32] r5:00001000 r4:ec457000 [ 1344.836590][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1344.836877][ T32] r7:ddde2d80 r6:83018200 r5:858ea78c r4:8567a300 ** 8 printk messages dropped ** [ 1344.837265][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1344.838290][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 9 printk messages dropped ** [ 1344.838741][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 13 printk messages dropped ** [ 1344.839472][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1344.848484][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1344.848724][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.848758][ T32] r4:84e5aa80 [ 1344.848807][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.848842][ T32] INFO: task kworker/1:884:5811 blocked for more than 471 seconds. [ 1344.848877][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.848914][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.848940][ T32] task:kworker/1:884 state:D stack:0 pid:5811 tgid:5811 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.849034][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.849090][ T32] Call trace: [ 1344.849124][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.849195][ T32] r10:8291880c r9:ec7e9d84 r8:00000002 r7:60000013 r6:ec7e9d8c r5:847c6000 [ 1344.849251][ T32] r4:847c6000 [ 1344.849276][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.849321][ T32] r5:847c6000 r4:82918808 [ 1344.849341][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.849378][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.849458][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7e9e08 [ 1344.849517][ T32] r4:00000000 [ 1344.849546][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.849581][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.849642][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.849694][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857ba3c0 [ 1344.850381][ T32] r4:00000000 [ 1344.850490][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.850607][ T32] r9:83018205 r8:847c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f0a7000 [ 1344.850679][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.850733][ T32] r5:00001000 r4:ec60d000 [ 1344.850769][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.850848][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.850898][ T32] r5:858eb38c r4:858eb000 [ 1344.850944][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.851050][ T32] r7:ddde2d80 r6:83018200 r5:858eb38c r4:8567a380 [ 1344.851096][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.851197][ T32] r10:61c88647 r9:847c6000 r8:8567a3ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.851246][ T32] r4:8567a380 [ 1344.851290][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.851388][ T32] r10:00000000 r9:8567a380 r8:8027f5e8 r7:ec801e60 r6:857bfd00 r5:847c6000 [ 1344.851437][ T32] r4:00000001 [ 1344.851480][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.851528][ T32] Exception stack(0xec7e9fb0 to 0xec7e9ff8) [ 1344.851558][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1344.851588][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.851614][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.851663][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.851691][ T32] r4:8560ef00 [ 1344.852325][ T32] INFO: task kworker/1:884:5811 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.852390][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.852472][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.852536][ T32] Call trace: [ 1344.852568][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.852618][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.852661][ T32] r4:00000000 [ 1344.852685][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.852759][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.852790][ T32] dd20: 87e86000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.852819][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.852865][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.852891][ T32] r5:80070013 r4:80239bb0 [ 1344.852914][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.852969][ T32] r4:82ac11a4 [ 1344.853028][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.853118][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.853158][ T32] r4:e884ddc0 [ 1344.853200][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.853276][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.853309][ T32] r4:00000000 [ 1344.853332][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.853380][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 1 printk messages dropped ** [ 1344.853474][ T32] r5:00001000 r4:e884f000 ** 4 printk messages dropped ** [ 1344.853713][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 1 printk messages dropped ** [ 1344.853808][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1344.853930][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1344.854100][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1344.854364][ T32] INFO: task kworker/1:885:5814 blocked for more than 471 seconds. ** 3 printk messages dropped ** [ 1344.854575][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1344.854791][ T32] r10:8291880c r9:ec811d84 r8:00000002 r7:60000113 r6:ec811d8c r5:84f68c00 ** 4 printk messages dropped ** [ 1344.855106][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1344.855314][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 5 printk messages dropped ** [ 1344.855608][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.855649][ T32] r5:00001000 r4:ec5c9000 [ 1344.855674][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.855712][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.855774][ T32] r5:858eaf8c r4:858eac00 ** 1 printk messages dropped ** [ 1344.855851][ T32] r7:ddde2d80 r6:83018200 r5:858eaf8c r4:8567a400 ** 1 printk messages dropped ** [ 1344.855916][ T32] r10:61c88647 r9:84f68c00 r8:8567a42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 4 printk messages dropped ** [ 1344.856073][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 2 printk messages dropped ** [ 1344.856184][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1344.856796][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.856878][ T32] Call trace: [ 1344.856964][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.857025][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.857055][ T32] r4:00000000 [ 1344.857085][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.857137][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.857168][ T32] dd20: 87e86000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.857198][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.857256][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.857294][ T32] r5:80070013 r4:80239bb0 [ 1344.857334][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.857397][ T32] r4:82ac11a4 [ 1344.857420][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.857467][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.857509][ T32] r4:e884ddc0 [ 1344.857552][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.857619][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.857646][ T32] r4:00000000 [ 1344.857666][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.857731][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.857760][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.857804][ T32] r5:00001000 r4:e884f000 [ 1344.857824][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.857875][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.857987][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.858045][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.858155][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.858234][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.858339][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.858410][ T32] r4:8454db00 [ 1344.858445][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.858491][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.858527][ T32] r4:00000001 [ 1344.858577][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.858654][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.858708][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.858758][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.858812][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.858850][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.858872][ T32] r4:84e5aa80 [ 1344.858894][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.858920][ T32] INFO: task kworker/1:886:5816 blocked for more than 471 seconds. [ 1344.858976][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.859031][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.859094][ T32] task:kworker/1:886 state:D stack:0 pid:5816 tgid:5816 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.859192][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.859308][ T32] Call trace: [ 1344.859377][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.859480][ T32] r10:8291880c r9:ec819d84 r8:00000002 r7:60000113 r6:ec819d8c r5:84f68000 [ 1344.859531][ T32] r4:84f68000 [ 1344.859567][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.859613][ T32] r5:84f68000 r4:82918808 [ 1344.859646][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.859686][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.859730][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec819e08 [ 1344.886501][ T32] r4:00000000 [ 1344.886586][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.886651][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.886696][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.886739][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857b8cc0 [ 1344.886761][ T32] r4:00000000 [ 1344.886780][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.886855][ T32] r9:83018205 r8:84f68000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c3000 [ 1344.886913][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.887007][ T32] r5:00001000 r4:ec881000 [ 1344.887079][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.887164][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.887260][ T32] r5:858edb8c r4:858ed800 [ 1344.887308][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.887411][ T32] r7:ddde2d80 r6:83018200 r5:858edb8c r4:8567a480 [ 1344.887460][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.887556][ T32] r10:61c88647 r9:84f68000 r8:8567a4ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.887603][ T32] r4:8567a480 [ 1344.887655][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.887748][ T32] r10:00000000 r9:8567a480 r8:8027f5e8 r7:ec7e9e60 r6:857bfe00 r5:84f68000 [ 1344.887800][ T32] r4:00000001 [ 1344.887860][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.887911][ T32] Exception stack(0xec819fb0 to 0xec819ff8) [ 1344.887943][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1344.887996][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.888024][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.888080][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.888106][ T32] r4:857ba240 [ 1344.888878][ T32] INFO: task kworker/1:886:5816 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.888962][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.889114][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.889221][ T32] Call trace: [ 1344.889304][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.889416][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.889471][ T32] r4:00000000 [ 1344.889496][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.889535][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.889565][ T32] dd20: 88518000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.889595][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.889643][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.889691][ T32] r5:80070013 r4:80239bb0 [ 1344.889717][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.903025][ T32] r4:82ac11a4 [ 1344.903076][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.903148][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.903186][ T32] r4:e884ddc0 [ 1344.903232][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.903298][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.903358][ T32] r4:00000000 [ 1344.903385][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.903434][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.903460][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.903505][ T32] r5:00001000 r4:e884f000 [ 1344.903525][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.903564][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.903606][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.903647][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.903726][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.903772][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.903849][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.903914][ T32] r4:8454db00 [ 1344.903937][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.903983][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.904027][ T32] r4:00000001 [ 1344.904080][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.904169][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.904246][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.904314][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.904382][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.904445][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.904491][ T32] r4:84e5aa80 [ 1344.904543][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.904613][ T32] INFO: task kworker/1:887:5817 blocked for more than 471 seconds. [ 1344.904654][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.904697][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.904723][ T32] task:kworker/1:887 state:D stack:0 pid:5817 tgid:5817 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.904816][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.904901][ T32] Call trace: [ 1344.904950][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.905004][ T32] r10:8291880c r9:ec81dd84 r8:00000002 r7:60000113 r6:ec81dd8c r5:84f6a400 [ 1344.905027][ T32] r4:84f6a400 [ 1344.905054][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.905145][ T32] r5:84f6a400 r4:82918808 [ 1344.905190][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.905271][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.905364][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec81de08 [ 1344.905407][ T32] r4:00000000 [ 1344.905435][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.905471][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.905508][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.905579][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857ba500 [ 1344.905629][ T32] r4:00000000 [ 1344.905673][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.905769][ T32] r9:83018205 r8:84f6a400 r7:00000000 r6:83018200 r5:00001000 r4:7f0b1000 [ 1344.905814][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.905901][ T32] r5:00001000 r4:ec625000 [ 1344.905951][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.906032][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.906137][ T32] r5:858eb78c r4:858eb400 [ 1344.906186][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.906324][ T32] r7:ddde2d80 r6:83018200 r5:858eb78c r4:8567a500 [ 1344.906377][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.906473][ T32] r10:61c88647 r9:84f6a400 r8:8567a52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.906518][ T32] r4:8567a500 [ 1344.906571][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.906657][ T32] r10:00000000 r9:8567a500 r8:8027f5e8 r7:ec819e60 r6:857bfe80 r5:84f6a400 [ 1344.906699][ T32] r4:00000001 [ 1344.906725][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.906764][ T32] Exception stack(0xec81dfb0 to 0xec81dff8) [ 1344.906790][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.906818][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.906843][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.906893][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.906920][ T32] r4:857ba240 [ 1344.907589][ T32] INFO: task kworker/1:887:5817 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.907667][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.907730][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.907779][ T32] Call trace: [ 1344.907811][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.907896][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.907952][ T32] r4:00000000 [ 1344.908051][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.908097][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.908125][ T32] dd20: 88b61000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.908153][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.908198][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.908226][ T32] r5:80070013 r4:80239bb0 ** 2 printk messages dropped ** [ 1344.908346][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 11 printk messages dropped ** [ 1344.909003][ T32] r5:84fe9f8c r4:84fe9c00 ** 4 printk messages dropped ** [ 1344.909283][ T32] r4:8454db00 ** 6 printk messages dropped ** [ 1344.930172][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1344.930571][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1344.930954][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec825e08 ** 9 printk messages dropped ** [ 1344.931327][ T32] r5:00001000 r4:ec639000 [ 1344.931349][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1344.931448][ T32] r5:858ebb8c r4:858eb800 ** 3 printk messages dropped ** [ 1344.931594][ T32] r10:61c88647 r9:84f6bc00 r8:8567a62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1344.931859][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1344.932718][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1344.932964][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1344.933173][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1344.933301][ T32] r5:00001000 r4:e884f000 [ 1344.933320][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.933358][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.933398][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.933417][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.933465][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.933507][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.933556][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.933578][ T32] r4:8454db00 [ 1344.933597][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.933641][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.933662][ T32] r4:00000001 [ 1344.933680][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.933725][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.933753][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.933781][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.933810][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.933879][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.933924][ T32] r4:84e5aa80 [ 1344.933956][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.933986][ T32] INFO: task kworker/1:889:5821 blocked for more than 471 seconds. [ 1344.934044][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.934089][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.934147][ T32] task:kworker/1:889 state:D stack:0 pid:5821 tgid:5821 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.934238][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.934298][ T32] Call trace: [ 1344.934333][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.934394][ T32] r10:8291880c r9:ec82dd84 r8:00000002 r7:60000013 r6:ec82dd8c r5:84f6c800 [ 1344.934422][ T32] r4:84f6c800 [ 1344.934443][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.934482][ T32] r5:84f6c800 r4:82918808 [ 1344.934502][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.934537][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.934578][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec82de08 [ 1344.934599][ T32] r4:00000000 [ 1344.934636][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.934688][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.934728][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.934770][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857ba7c0 [ 1344.934791][ T32] r4:00000000 [ 1344.934812][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.934854][ T32] r9:83018205 r8:84f6c800 r7:00000000 r6:83018200 r5:00001000 r4:7f0b5000 [ 1344.934876][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.934916][ T32] r5:00001000 r4:ec64d000 [ 1344.934935][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.934972][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.935012][ T32] r5:858ebf8c r4:858ebc00 [ 1344.935032][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.935084][ T32] r7:ddde2d80 r6:83018200 r5:858ebf8c r4:8567a580 [ 1344.935105][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.935148][ T32] r10:61c88647 r9:84f6c800 r8:8567a5ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.935181][ T32] r4:8567a580 [ 1344.935214][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.935258][ T32] r10:00000000 r9:8567a580 r8:8027f5e8 r7:ec819e60 r6:857bff80 r5:84f6c800 [ 1344.935279][ T32] r4:00000001 [ 1344.935317][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.935362][ T32] Exception stack(0xec82dfb0 to 0xec82dff8) [ 1344.935388][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.935417][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.935443][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.935471][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.935492][ T32] r4:857ba480 [ 1344.935839][ T32] INFO: task kworker/1:889:5821 is blocked on a mutex likely owned by task kworker/1:174:3878. ** 1 printk messages dropped ** [ 1344.935951][ T32] Workqueue: events bpf_prog_free_deferred ** 12 printk messages dropped ** [ 1344.936412][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 21 printk messages dropped ** [ 1344.937187][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 14 printk messages dropped ** [ 1344.937731][ T32] r4:84f6d400 ** 13 printk messages dropped ** [ 1344.938305][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.938352][ T32] r5:00001000 r4:ec67b000 ** 2 printk messages dropped ** [ 1344.938466][ T32] r5:858ec38c r4:858ec000 ** 3 printk messages dropped ** [ 1344.938617][ T32] r10:61c88647 r9:84f6d400 r8:8567a6ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1344.938962][ T32] r4:857ba640 ** 3 printk messages dropped ** [ 1344.939543][ T32] Call trace: ** 4 printk messages dropped ** [ 1344.970534][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 6 printk messages dropped ** [ 1344.970892][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 10 printk messages dropped ** [ 1344.971377][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1344.971710][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 9 printk messages dropped ** [ 1344.972032][ T32] INFO: task kworker/1:891:5825 blocked for more than 471 seconds. ** 7 printk messages dropped ** [ 1344.972453][ T32] r4:84f6b000 [ 1344.972493][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.972537][ T32] r5:84f6b000 r4:82918808 [ 1344.972558][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.972594][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.972635][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec83de08 [ 1344.972657][ T32] r4:00000000 [ 1344.972700][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.972739][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.972779][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.972821][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857ba780 [ 1344.972843][ T32] r4:00000000 [ 1344.972862][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.972924][ T32] r9:83018205 r8:84f6b000 r7:00000000 r6:83018200 r5:00001000 r4:7f0b9000 [ 1344.972970][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.973016][ T32] r5:00001000 r4:ec69d000 [ 1344.973048][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.973090][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.973131][ T32] r5:858ec78c r4:858ec400 [ 1344.973150][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.973192][ T32] r7:ddde2d80 r6:83018200 r5:858ec78c r4:8567a700 [ 1344.973212][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.973256][ T32] r10:61c88647 r9:84f6b000 r8:8567a72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.973277][ T32] r4:8567a700 [ 1344.973295][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.973365][ T32] r10:00000000 r9:8567a700 r8:8027f5e8 r7:ec819e60 r6:857df080 r5:84f6b000 [ 1344.973390][ T32] r4:00000001 [ 1344.973410][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.973449][ T32] Exception stack(0xec83dfb0 to 0xec83dff8) [ 1344.973475][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.973502][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.973528][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.973555][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.973576][ T32] r4:857ba980 [ 1344.974400][ T32] INFO: task kworker/1:891:5825 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1344.974479][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.974598][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.974691][ T32] Call trace: [ 1344.974757][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1344.974856][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1344.974905][ T32] r4:00000000 [ 1344.974946][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1344.975022][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1344.975087][ T32] dd20: 8965f000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1344.975147][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1344.975202][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1344.975252][ T32] r5:80070013 r4:80239bb0 [ 1344.975296][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1344.975426][ T32] r4:82ac11a4 [ 1344.975480][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1344.975584][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1344.975647][ T32] r4:e884ddc0 [ 1344.975690][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1344.975780][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1344.975827][ T32] r4:00000000 [ 1344.975869][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1344.975966][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1344.976014][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1344.976127][ T32] r5:00001000 r4:e884f000 [ 1344.976160][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1344.976219][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1344.976285][ T32] r5:84fe9f8c r4:84fe9c00 [ 1344.976313][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1344.976384][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1344.976444][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1344.976512][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1344.976540][ T32] r4:8454db00 [ 1344.976560][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1344.976605][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1344.976627][ T32] r4:00000001 [ 1344.976646][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1344.976703][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1344.976733][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1344.976762][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1344.976811][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1344.976902][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1344.976927][ T32] r4:84e5aa80 [ 1344.976947][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1344.976994][ T32] INFO: task kworker/0:452:5827 blocked for more than 471 seconds. [ 1344.977026][ T32] Not tainted 6.15.0-syzkaller #0 [ 1344.977057][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1344.977092][ T32] task:kworker/0:452 state:D stack:0 pid:5827 tgid:5827 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1344.977164][ T32] Workqueue: events bpf_prog_free_deferred [ 1344.977206][ T32] Call trace: [ 1344.977258][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1344.977307][ T32] r10:8291880c r9:ec845d84 r8:00000002 r7:60000113 r6:ec845d8c r5:84f6ec00 [ 1344.977330][ T32] r4:84f6ec00 [ 1344.977349][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1344.977417][ T32] r5:84f6ec00 r4:82918808 [ 1344.977440][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1344.977477][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1344.977518][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec845e08 [ 1344.977557][ T32] r4:00000000 [ 1344.977597][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1344.977640][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1344.977677][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1344.977895][ T32] r5:00001000 r4:ec8d5000 [ 1344.977916][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1344.977994][ T32] r5:85872b8c r4:85872800 ** 3 printk messages dropped ** [ 1344.978139][ T32] r10:61c88647 r9:84f6ec00 r8:857df12c r7:82804d40 r6:dddced80 r5:dddceda0 ** 5 printk messages dropped ** [ 1344.978325][ T32] Exception stack(0xec845fb0 to 0xec845ff8) ** 2 printk messages dropped ** [ 1344.978404][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1344.978936][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1344.979197][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1344.979363][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 4 printk messages dropped ** [ 1344.979528][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 10 printk messages dropped ** [ 1345.011200][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1345.011842][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1345.012181][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1345.012699][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1345.013328][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1345.014009][ T32] r9:83018205 r8:84f6e000 r7:00000000 r6:83018200 r5:00001000 r4:7f0bb000 ** 1 printk messages dropped ** [ 1345.014183][ T32] r5:00001000 r4:ec765000 [ 1345.014426][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.014534][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.014629][ T32] r5:858ecb8c r4:858ec800 [ 1345.014689][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.014792][ T32] r7:ddde2d80 r6:83018200 r5:858ecb8c r4:8567a780 [ 1345.014837][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.014925][ T32] r10:61c88647 r9:84f6e000 r8:8567a7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.014971][ T32] r4:8567a780 [ 1345.015029][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.015130][ T32] r10:00000000 r9:8567a780 r8:8027f5e8 r7:ec819e60 r6:857df200 r5:84f6e000 [ 1345.015177][ T32] r4:00000001 [ 1345.015217][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.015292][ T32] Exception stack(0xec84dfb0 to 0xec84dff8) [ 1345.015373][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.015437][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.015508][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.015575][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.015640][ T32] r4:857baa80 [ 1345.016537][ T32] INFO: task kworker/1:892:5828 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.016629][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.016787][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.016885][ T32] Call trace: [ 1345.016975][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.017087][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.017152][ T32] r4:00000000 [ 1345.017220][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.017340][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.017417][ T32] dd20: 8987a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.017479][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.017535][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.017606][ T32] r5:80070013 r4:80239bb0 [ 1345.017661][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.017753][ T32] r4:82ac11a4 [ 1345.017799][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.017893][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.017942][ T32] r4:e884ddc0 [ 1345.017985][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.018088][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.018116][ T32] r4:00000000 [ 1345.018239][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.018337][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.018366][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.018446][ T32] r5:00001000 r4:e884f000 [ 1345.018471][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.018512][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.018553][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.018573][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.018618][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.018639][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.018712][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.018759][ T32] r4:8454db00 [ 1345.018797][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.018843][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.018892][ T32] r4:00000001 [ 1345.018915][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.019003][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.019033][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.019070][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.019102][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.019199][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.019256][ T32] r4:84e5aa80 [ 1345.019279][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.019334][ T32] INFO: task kworker/1:893:5830 blocked for more than 471 seconds. [ 1345.019391][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.019417][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.019441][ T32] task:kworker/1:893 state:D stack:0 pid:5830 tgid:5830 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.019493][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.019534][ T32] Call trace: [ 1345.019566][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.019613][ T32] r10:8291880c r9:ec861d84 r8:00000002 r7:60000013 r6:ec861d8c r5:84f69800 [ 1345.019674][ T32] r4:84f69800 [ 1345.019725][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.030964][ T32] r5:84f69800 r4:82918808 [ 1345.031007][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.031245][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.031347][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec861e08 [ 1345.031392][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1345.031534][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1345.031998][ T32] r5:00001000 r4:ec851000 [ 1345.032019][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1345.032232][ T32] r7:ddde2d80 r6:83018200 r5:858ecf8c r4:8567a800 ** 6 printk messages dropped ** [ 1345.032453][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1345.033322][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1345.034460][ T32] r5:80070013 r4:80239bb0 ** 4 printk messages dropped ** [ 1345.034826][ T32] r4:e884ddc0 ** 8 printk messages dropped ** [ 1345.035470][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.035554][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.035601][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.035696][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.035747][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.035842][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.036037][ T32] r4:8454db00 [ 1345.036118][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.036220][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.036273][ T32] r4:00000001 [ 1345.036317][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.036400][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.036457][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.036502][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.036532][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.036563][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.036585][ T32] r4:84e5aa80 [ 1345.036606][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.036678][ T32] INFO: task kworker/1:894:5832 blocked for more than 471 seconds. [ 1345.036719][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.036743][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.036765][ T32] task:kworker/1:894 state:D stack:0 pid:5832 tgid:5832 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.036810][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.036851][ T32] Call trace: [ 1345.036881][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.036931][ T32] r10:8291880c r9:ec871d84 r8:00000002 r7:60000113 r6:ec871d8c r5:858b8c00 [ 1345.036980][ T32] r4:858b8c00 [ 1345.037028][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.037140][ T32] r5:858b8c00 r4:82918808 [ 1345.037165][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.037229][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.037303][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec871e08 [ 1345.037332][ T32] r4:00000000 [ 1345.037353][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.037416][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.037525][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.037572][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857bad40 [ 1345.037595][ T32] r4:00000000 [ 1345.037720][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.037768][ T32] r9:83018205 r8:858b8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0bf000 [ 1345.037791][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.037832][ T32] r5:00001000 r4:ec85d000 [ 1345.037916][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.037958][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.037998][ T32] r5:858ed38c r4:858ed000 [ 1345.038048][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.038098][ T32] r7:ddde2d80 r6:83018200 r5:858ed38c r4:8567a880 [ 1345.038214][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.038311][ T32] r10:61c88647 r9:858b8c00 r8:8567a8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.038409][ T32] r4:8567a880 [ 1345.038455][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.038505][ T32] r10:00000000 r9:8567a880 r8:8027f5e8 r7:ec819e60 r6:857df300 r5:858b8c00 [ 1345.038532][ T32] r4:00000001 [ 1345.038577][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.038618][ T32] Exception stack(0xec871fb0 to 0xec871ff8) [ 1345.038683][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.038758][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.038792][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.038824][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.038849][ T32] r4:857bad00 [ 1345.039198][ T32] INFO: task kworker/1:894:5832 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.039251][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1345.039704][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 10 printk messages dropped ** [ 1345.060940][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 12 printk messages dropped ** [ 1345.061578][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1345.061784][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1345.062002][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1345.062335][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1345.062547][ T32] r5:858ba400 r4:82918808 ** 5 printk messages dropped ** [ 1345.062723][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1345.062964][ T32] r5:00001000 r4:ec86d000 [ 1345.062989][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1345.063143][ T32] r7:ddde2d80 r6:83018200 r5:858ed78c r4:8567a900 ** 6 printk messages dropped ** [ 1345.063420][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1345.064283][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1345.064604][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 13 printk messages dropped ** [ 1345.065079][ T32] r5:00001000 r4:e884f000 ** 6 printk messages dropped ** [ 1345.065336][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1345.065660][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1345.066007][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1345.066454][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1345.066826][ T32] r9:83018205 r8:858b9800 r7:00000000 r6:83018200 r5:00001000 r4:7f0cb000 ** 1 printk messages dropped ** [ 1345.066886][ T32] r5:00001000 r4:ec8bd000 ** 3 printk messages dropped ** [ 1345.067103][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1345.067731][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.067761][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.067790][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.067812][ T32] r4:857bae00 [ 1345.068332][ T32] INFO: task kworker/1:896:5836 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.068380][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.068752][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.068834][ T32] Call trace: [ 1345.068934][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.069036][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.069109][ T32] r4:00000000 [ 1345.069171][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.069284][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.069365][ T32] dd20: 89bf4000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.069429][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.069481][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.069534][ T32] r5:80070013 r4:80239bb0 [ 1345.069591][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.069692][ T32] r4:82ac11a4 [ 1345.104333][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.104470][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.104504][ T32] r4:e884ddc0 [ 1345.104648][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.104707][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.104796][ T32] r4:00000000 [ 1345.104823][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.104870][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.104893][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.104937][ T32] r5:00001000 r4:e884f000 [ 1345.104957][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.105055][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.105109][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.105130][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.105176][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.105198][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.105251][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.105274][ T32] r4:8454db00 [ 1345.105376][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.105435][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.105460][ T32] r4:00000001 [ 1345.105517][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.105597][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.105682][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.105714][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.105746][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.105925][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.106033][ T32] r4:84e5aa80 [ 1345.106116][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.106213][ T32] INFO: task kworker/1:897:5839 blocked for more than 471 seconds. [ 1345.106268][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.106314][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.106370][ T32] task:kworker/1:897 state:D stack:0 pid:5839 tgid:5839 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.106535][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.106638][ T32] Call trace: [ 1345.106673][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.106749][ T32] r10:8291880c r9:ec8a5d84 r8:00000002 r7:60000113 r6:ec8a5d8c r5:858b8000 [ 1345.106806][ T32] r4:858b8000 [ 1345.106850][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.106946][ T32] r5:858b8000 r4:82918808 [ 1345.107000][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.107090][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.107183][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8a5e08 [ 1345.107232][ T32] r4:00000000 [ 1345.107276][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.107379][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.107467][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.107551][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8560ed80 [ 1345.107612][ T32] r4:00000000 [ 1345.107659][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.107752][ T32] r9:83018205 r8:858b8000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c5000 [ 1345.107796][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.107876][ T32] r5:00001000 r4:ec891000 [ 1345.107923][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.108020][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.108121][ T32] r5:858edf8c r4:858edc00 [ 1345.108168][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.108254][ T32] r7:ddde2d80 r6:83018200 r5:858edf8c r4:8567aa00 [ 1345.108294][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 5 printk messages dropped ** [ 1345.108699][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1345.109706][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1345.119092][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 11 printk messages dropped ** [ 1345.119713][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 8 printk messages dropped ** [ 1345.130921][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1345.131441][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1345.132090][ T32] Call trace: ** 6 printk messages dropped ** [ 1345.132677][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1345.133251][ T32] r5:00001000 r4:ec89d000 [ 1345.133272][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1345.133477][ T32] r7:ddde2d80 r6:83018200 r5:858ee38c r4:8567aa80 ** 6 printk messages dropped ** [ 1345.133747][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1345.134688][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1345.135486][ T32] r5:80070013 r4:80239bb0 ** 3 printk messages dropped ** [ 1345.135745][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 12 printk messages dropped ** [ 1345.136830][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1345.137304][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1345.137519][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.137650][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.137701][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.137745][ T32] r4:84e5aa80 [ 1345.137776][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.137830][ T32] INFO: task kworker/1:899:5843 blocked for more than 471 seconds. [ 1345.137867][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.137930][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.137968][ T32] task:kworker/1:899 state:D stack:0 pid:5843 tgid:5843 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.138076][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.138182][ T32] Call trace: [ 1345.138276][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.138389][ T32] r10:8291880c r9:ec8c5d84 r8:00000002 r7:60000113 r6:ec8c5d8c r5:858be000 [ 1345.138441][ T32] r4:858be000 [ 1345.138503][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.138591][ T32] r5:858be000 r4:82918808 [ 1345.138636][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.138705][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.138768][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8c5e08 [ 1345.138795][ T32] r4:00000000 [ 1345.138828][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.138908][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.138985][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.139092][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857eb300 [ 1345.139159][ T32] r4:00000000 [ 1345.139208][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.139302][ T32] r9:83018205 r8:858be000 r7:00000000 r6:83018200 r5:00001000 r4:7f0c9000 [ 1345.139348][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.139438][ T32] r5:00001000 r4:ec8ad000 [ 1345.139482][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.139562][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.139643][ T32] r5:858ee78c r4:858ee400 [ 1345.139682][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.139768][ T32] r7:ddde2d80 r6:83018200 r5:858ee78c r4:8567ab00 [ 1345.170291][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.170529][ T32] r10:61c88647 r9:858be000 r8:8567ab2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.170563][ T32] r4:8567ab00 [ 1345.170587][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.170700][ T32] r10:00000000 r9:8567ab00 r8:8027f5e8 r7:ec889e60 r6:857df580 r5:858be000 [ 1345.170729][ T32] r4:00000001 [ 1345.170751][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.170793][ T32] Exception stack(0xec8c5fb0 to 0xec8c5ff8) [ 1345.170826][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.170857][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.170913][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.170975][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.171007][ T32] r4:857eb000 [ 1345.171559][ T32] INFO: task kworker/1:899:5843 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.171598][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.171728][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.171814][ T32] Call trace: [ 1345.171873][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.171955][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.172107][ T32] r4:00000000 [ 1345.172160][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.172203][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.172237][ T32] dd20: 8ac78000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.172268][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.172292][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.172315][ T32] r5:80070013 r4:80239bb0 [ 1345.172335][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.172381][ T32] r4:82ac11a4 [ 1345.172401][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.172472][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.172498][ T32] r4:e884ddc0 [ 1345.172530][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.172577][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.172702][ T32] r4:00000000 [ 1345.172726][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.172822][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.172875][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.172920][ T32] r5:00001000 r4:e884f000 [ 1345.172965][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.173010][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.173059][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.173080][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.173124][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.173171][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.173271][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.173297][ T32] r4:8454db00 [ 1345.173317][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 3 printk messages dropped ** [ 1345.173439][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 7 printk messages dropped ** [ 1345.173763][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1345.174177][ T32] r4:858bc800 ** 4 printk messages dropped ** [ 1345.174497][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8d9e08 ** 9 printk messages dropped ** [ 1345.174926][ T32] r5:00001000 r4:dfb07000 [ 1345.174967][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1345.175132][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1345.175565][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1345.176213][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1345.176513][ T32] dd20: 8ac78000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 10 printk messages dropped ** [ 1345.176967][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1345.177248][ T32] r5:84fe9f8c r4:84fe9c00 ** 3 printk messages dropped ** [ 1345.177393][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.177455][ T32] r4:8454db00 [ 1345.177478][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.177522][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.177545][ T32] r4:00000001 [ 1345.177564][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.177599][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.177625][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.177652][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.177705][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.177791][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.177819][ T32] r4:84e5aa80 [ 1345.177864][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.177894][ T32] INFO: task kworker/1:901:5847 blocked for more than 471 seconds. [ 1345.177924][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.177946][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.177991][ T32] task:kworker/1:901 state:D stack:0 pid:5847 tgid:5847 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.178080][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.178149][ T32] Call trace: [ 1345.178183][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.178310][ T32] r10:8291880c r9:ec8ddd84 r8:00000002 r7:60000013 r6:ec8ddd8c r5:858bbc00 [ 1345.178344][ T32] r4:858bbc00 [ 1345.178364][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.178411][ T32] r5:858bbc00 r4:82918808 [ 1345.178445][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.178495][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.178541][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8dde08 [ 1345.178565][ T32] r4:00000000 [ 1345.178609][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.178648][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.178689][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.178731][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857eb5c0 [ 1345.178753][ T32] r4:00000000 [ 1345.178772][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.178814][ T32] r9:83018205 r8:858bbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f0cd000 [ 1345.178834][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.178874][ T32] r5:00001000 r4:ec8cd000 [ 1345.178919][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.178961][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.179004][ T32] r5:858eef8c r4:858eec00 [ 1345.179106][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.179157][ T32] r7:ddde2d80 r6:83018200 r5:858eef8c r4:8567ac00 [ 1345.179178][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.179222][ T32] r10:61c88647 r9:858bbc00 r8:8567ac2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.179270][ T32] r4:8567ac00 [ 1345.179319][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.179397][ T32] r10:00000000 r9:8567ac00 r8:8027f5e8 r7:ec8d9e60 r6:857df680 r5:858bbc00 [ 1345.179424][ T32] r4:00000001 [ 1345.179469][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.179533][ T32] Exception stack(0xec8ddfb0 to 0xec8ddff8) [ 1345.179588][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.179620][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.179662][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.179779][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.186988][ T32] r4:857eb2c0 [ 1345.187575][ T32] INFO: task kworker/1:901:5847 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.187624][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.187721][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.187844][ T32] Call trace: [ 1345.187879][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.187938][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.187961][ T32] r4:00000000 [ 1345.188083][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 3 printk messages dropped ** [ 1345.188277][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1345.188613][ T32] r4:e884ddc0 ** 6 printk messages dropped ** [ 1345.188929][ T32] r5:00001000 r4:e884f000 ** 5 printk messages dropped ** [ 1345.189217][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1345.189680][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1345.205844][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1345.206383][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1345.206875][ T32] r5:00001000 r4:ec8e5000 [ 1345.206921][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1345.207106][ T32] r7:ddde2d80 r6:83018200 r5:858ef38c r4:8567ac80 ** 8 printk messages dropped ** [ 1345.207488][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1345.208240][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1345.208748][ T32] dd20: 8aebf000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 10 printk messages dropped ** [ 1345.209277][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1345.209504][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1345.231052][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1345.231341][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1345.231961][ T32] r10:8291880c r9:ec8b1d84 r8:00000002 r7:60000113 r6:ec8b1d8c r5:858bd400 ** 6 printk messages dropped ** [ 1345.232244][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1345.232578][ T32] r9:83018005 r8:858bd400 r7:00000000 r6:83018000 r5:00001000 r4:7f0db000 ** 1 printk messages dropped ** [ 1345.232679][ T32] r5:00001000 r4:ec9eb000 [ 1345.232700][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.232765][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.232812][ T32] r5:8590578c r4:85905400 [ 1345.232887][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.232939][ T32] r7:dddced80 r6:83018000 r5:8590578c r4:857df780 [ 1345.232961][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.233049][ T32] r10:61c88647 r9:858bd400 r8:857df7ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1345.233076][ T32] r4:857df780 [ 1345.233097][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.233141][ T32] r10:00000000 r9:857df780 r8:8027f5e8 r7:ec7a1e60 r6:857df800 r5:858bd400 [ 1345.233166][ T32] r4:00000001 [ 1345.233209][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.233261][ T32] Exception stack(0xec8b1fb0 to 0xec8b1ff8) [ 1345.233289][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.233319][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.233347][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.233374][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.233420][ T32] r4:85836140 [ 1345.233939][ T32] INFO: task kworker/0:453:5850 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.233982][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.234092][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.234155][ T32] Call trace: [ 1345.234217][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.234292][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.234323][ T32] r4:00000000 [ 1345.234344][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.234409][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.234444][ T32] dd20: 8b378000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.234474][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.234499][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.234527][ T32] r5:80070013 r4:80239bb0 [ 1345.234547][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.234592][ T32] r4:82ac11a4 [ 1345.234613][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.234672][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.234699][ T32] r4:e884ddc0 [ 1345.234744][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.234811][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.234862][ T32] r4:00000000 [ 1345.234886][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.234932][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.234954][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.235020][ T32] r5:00001000 r4:e884f000 [ 1345.235051][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.235094][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.235136][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.235170][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.235247][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.235305][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.235379][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.235404][ T32] r4:8454db00 [ 1345.235423][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.235467][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.235488][ T32] r4:00000001 [ 1345.235507][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.235543][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.235570][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.235600][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.235627][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.235655][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1345.235752][ T32] Not tainted 6.15.0-syzkaller #0 ** 10 printk messages dropped ** [ 1345.236287][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1345.236837][ T32] r5:00001000 r4:ec8f1000 [ 1345.236863][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.236904][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1345.237155][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 10 printk messages dropped ** [ 1345.237884][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1345.238594][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1345.238880][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1345.239223][ T32] r5:84fe9f8c r4:84fe9c00 ** 4 printk messages dropped ** [ 1345.239414][ T32] r4:8454db00 ** 6 printk messages dropped ** [ 1345.239749][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1345.263134][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1345.263682][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec731e08 ** 9 printk messages dropped ** [ 1345.264193][ T32] r5:00001000 r4:eaf2d000 [ 1345.264218][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1345.264342][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1345.264794][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1345.265674][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1345.266082][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 7 printk messages dropped ** [ 1345.266401][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.266449][ T32] r4:e884ddc0 [ 1345.266484][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.266531][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.266579][ T32] r4:00000000 [ 1345.266603][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.266673][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.266725][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.266773][ T32] r5:00001000 r4:e884f000 [ 1345.266795][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.266834][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.266874][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.266894][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.266940][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.266961][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.267030][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.267062][ T32] r4:8454db00 [ 1345.267082][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.267126][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.267149][ T32] r4:00000001 [ 1345.267168][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.267205][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.267255][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.267322][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.267359][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.267392][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.267414][ T32] r4:84e5aa80 [ 1345.267440][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.267520][ T32] INFO: task kworker/1:905:5858 blocked for more than 471 seconds. [ 1345.267556][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.267601][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.267627][ T32] task:kworker/1:905 state:D stack:0 pid:5858 tgid:5858 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.267678][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.267722][ T32] Call trace: [ 1345.267775][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.267829][ T32] r10:8291880c r9:ec8c1d84 r8:00000002 r7:60000013 r6:ec8c1d8c r5:858c0c00 [ 1345.267853][ T32] r4:858c0c00 [ 1345.267899][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.267945][ T32] r5:858c0c00 r4:82918808 [ 1345.268004][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.268052][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.268097][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8c1e08 [ 1345.268122][ T32] r4:00000000 [ 1345.268142][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.268178][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.268215][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.268257][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857ebb80 [ 1345.268319][ T32] r4:00000000 [ 1345.268381][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.268468][ T32] r9:83018205 r8:858c0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f02b000 [ 1345.268520][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.268565][ T32] r5:00001000 r4:eaafb000 [ 1345.268586][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.268624][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.268669][ T32] r5:858eff8c r4:858efc00 [ 1345.268691][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.268735][ T32] r7:ddde2d80 r6:83018200 r5:858eff8c r4:8567ae00 [ 1345.268780][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.268828][ T32] r10:61c88647 r9:858c0c00 r8:8567ae2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.268850][ T32] r4:8567ae00 [ 1345.268870][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.268913][ T32] r10:00000000 r9:8567ae00 r8:8027f5e8 r7:ec731e60 r6:857df980 r5:858c0c00 [ 1345.268936][ T32] r4:00000001 [ 1345.268956][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.268991][ T32] Exception stack(0xec8c1fb0 to 0xec8c1ff8) [ 1345.269017][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.269052][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.269081][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.269134][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.269210][ T32] r4:857eb8c0 [ 1345.269554][ T32] INFO: task kworker/1:905:5858 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.269622][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.269784][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.282643][ T32] Call trace: [ 1345.282694][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.282772][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.282798][ T32] r4:00000000 [ 1345.282818][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.282859][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.282891][ T32] dd20: 8b88e000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.282921][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 6 printk messages dropped ** [ 1345.283198][ T32] r4:e884ddc0 ** 8 printk messages dropped ** [ 1345.283671][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1345.284024][ T32] r4:00000001 ** 8 printk messages dropped ** [ 1345.284780][ T32] INFO: task kworker/1:906:5860 blocked for more than 471 seconds. ** 7 printk messages dropped ** [ 1345.285119][ T32] r4:858c2400 ** 4 printk messages dropped ** [ 1345.285325][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec901e08 ** 9 printk messages dropped ** [ 1345.285639][ T32] r5:00001000 r4:eb2b7000 [ 1345.285658][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1345.285734][ T32] r5:858f078c r4:858f0400 [ 1345.285781][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.285853][ T32] r7:ddde2d80 r6:83018200 r5:858f078c r4:8567ae80 [ 1345.285879][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.285925][ T32] r10:61c88647 r9:858c2400 r8:8567aeac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.285946][ T32] r4:8567ae80 [ 1345.285965][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.286008][ T32] r10:00000000 r9:8567ae80 r8:8027f5e8 r7:ec731e60 r6:857dfa00 r5:858c2400 [ 1345.286051][ T32] r4:00000001 [ 1345.286123][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.286163][ T32] Exception stack(0xec901fb0 to 0xec901ff8) [ 1345.286220][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.286265][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.286296][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.286324][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.286361][ T32] r4:857ebd80 [ 1345.286857][ T32] INFO: task kworker/1:906:5860 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.286891][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.286960][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.287052][ T32] Call trace: [ 1345.287100][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.287153][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.287177][ T32] r4:00000000 [ 1345.287196][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.287233][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.287375][ T32] dd20: 8b88e000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.287896][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.287925][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.287952][ T32] r5:80070013 r4:80239bb0 [ 1345.288000][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.288044][ T32] r4:82ac11a4 [ 1345.288095][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.288192][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.288267][ T32] r4:e884ddc0 [ 1345.288305][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.288353][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.288378][ T32] r4:00000000 [ 1345.288397][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.288440][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.288463][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.288504][ T32] r5:00001000 r4:e884f000 [ 1345.288560][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.288995][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1345.289157][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1345.289429][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1345.307530][ T32] Call trace: ** 6 printk messages dropped ** [ 1345.307931][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1345.308467][ T32] r5:00001000 r4:eb441000 [ 1345.308516][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.308560][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1345.308811][ T32] r10:61c88647 r9:85810c00 r8:8567af2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1345.309270][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1345.316588][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 9 printk messages dropped ** [ 1345.317156][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 10 printk messages dropped ** [ 1345.317699][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1345.318106][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 7 printk messages dropped ** [ 1345.318558][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1345.318848][ T32] r4:85811800 ** 5 printk messages dropped ** [ 1345.319269][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1345.319542][ T32] r9:83018205 r8:85811800 r7:00000000 r6:83018200 r5:00001000 r4:7f063000 ** 1 printk messages dropped ** [ 1345.319601][ T32] r5:00001000 r4:eb551000 ** 3 printk messages dropped ** [ 1345.319719][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1345.334176][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1345.335314][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 10 printk messages dropped ** [ 1345.335865][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 12 printk messages dropped ** [ 1345.336336][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1345.336578][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1345.336747][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.336768][ T32] r4:84e5aa80 [ 1345.336788][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.336818][ T32] INFO: task kworker/1:909:5866 blocked for more than 471 seconds. [ 1345.336853][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.336878][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.336900][ T32] task:kworker/1:909 state:D stack:0 pid:5866 tgid:5866 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.336943][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.336983][ T32] Call trace: [ 1345.337061][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.337140][ T32] r10:8291880c r9:ec8fdd84 r8:00000002 r7:60000013 r6:ec8fdd8c r5:85813000 [ 1345.337192][ T32] r4:85813000 [ 1345.337220][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.337265][ T32] r5:85813000 r4:82918808 [ 1345.337286][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.337324][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.337367][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8fde08 [ 1345.337391][ T32] r4:00000000 [ 1345.337410][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.337456][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.337497][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.337539][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857eb940 [ 1345.337574][ T32] r4:00000000 [ 1345.337597][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.337644][ T32] r9:83018205 r8:85813000 r7:00000000 r6:83018200 r5:00001000 r4:7f033000 [ 1345.337665][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.337706][ T32] r5:00001000 r4:eb4e1000 [ 1345.337730][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.337772][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.337825][ T32] r5:858f0f8c r4:858f0c00 [ 1345.337849][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.337892][ T32] r7:ddde2d80 r6:83018200 r5:858f0f8c r4:857f2100 [ 1345.337912][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.337982][ T32] r10:61c88647 r9:85813000 r8:857f212c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.338008][ T32] r4:857f2100 [ 1345.338052][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.338101][ T32] r10:00000000 r9:857f2100 r8:8027f5e8 r7:ec909e60 r6:857f2180 r5:85813000 [ 1345.338123][ T32] r4:00000001 [ 1345.338154][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.338227][ T32] Exception stack(0xec8fdfb0 to 0xec8fdff8) [ 1345.338266][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.338309][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.338357][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.338437][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.338466][ T32] r4:857ebd00 [ 1345.338795][ T32] INFO: task kworker/1:909:5866 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.338843][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.338903][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.338947][ T32] Call trace: [ 1345.338976][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.339076][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.339105][ T32] r4:00000000 [ 1345.339147][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.339234][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.339293][ T32] dd20: 8c067000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.339324][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.339375][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 2 printk messages dropped ** [ 1345.339523][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1345.363179][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1345.363799][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1345.364115][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1345.364373][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1345.364781][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec90de08 ** 9 printk messages dropped ** [ 1345.365096][ T32] r5:00001000 r4:eb607000 [ 1345.365124][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1345.365328][ T32] r7:ddde2d80 r6:83018200 r5:858f178c r4:857f2200 ** 6 printk messages dropped ** [ 1345.365704][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1345.366563][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1345.366919][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 12 printk messages dropped ** [ 1345.367355][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1345.367753][ T32] r4:8454db00 ** 7 printk messages dropped ** [ 1345.367989][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1345.368161][ T32] task:kworker/1:911 state:D stack:0 pid:5870 tgid:5870 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.368223][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.368263][ T32] Call trace: [ 1345.368297][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.368351][ T32] r10:8291880c r9:ec911d84 r8:00000002 r7:60000013 r6:ec911d8c r5:85814800 [ 1345.368405][ T32] r4:85814800 [ 1345.368440][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.368484][ T32] r5:85814800 r4:82918808 [ 1345.368522][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.368563][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.368617][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec911e08 [ 1345.368642][ T32] r4:00000000 [ 1345.368690][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.368731][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.368808][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.368854][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85832280 [ 1345.368896][ T32] r4:00000000 [ 1345.368926][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.368970][ T32] r9:83018205 r8:85814800 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1345.368991][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.369030][ T32] r5:00001000 r4:eb68d000 [ 1345.369055][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.369094][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.369133][ T32] r5:858f1b8c r4:858f1800 [ 1345.369153][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.369215][ T32] r7:ddde2d80 r6:83018200 r5:858f1b8c r4:857f2300 [ 1345.369239][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.369284][ T32] r10:61c88647 r9:85814800 r8:857f232c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.369305][ T32] r4:857f2300 [ 1345.369323][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.369365][ T32] r10:00000000 r9:857f2300 r8:8027f5e8 r7:ec90de60 r6:857f2380 r5:85814800 [ 1345.369387][ T32] r4:00000001 [ 1345.369405][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.369439][ T32] Exception stack(0xec911fb0 to 0xec911ff8) [ 1345.369465][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.369491][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.369518][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.369545][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.369566][ T32] r4:858321c0 [ 1345.376277][ T32] INFO: task kworker/1:911:5870 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.376369][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.376479][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.376539][ T32] Call trace: [ 1345.376572][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.376625][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.376648][ T32] r4:00000000 [ 1345.376668][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.376705][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.376763][ T32] dd20: 8c4a7000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.376796][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.376821][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.376844][ T32] r5:80070013 r4:80239bb0 [ 1345.376874][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.376945][ T32] r4:82ac11a4 [ 1345.377002][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.377061][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.377086][ T32] r4:e884ddc0 [ 1345.377105][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.377149][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.377197][ T32] r4:00000000 [ 1345.377240][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.377294][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.377316][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.377357][ T32] r5:00001000 r4:e884f000 ** 1 printk messages dropped ** [ 1345.377413][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1345.377776][ T32] r4:00000001 ** 8 printk messages dropped ** [ 1345.378049][ T32] INFO: task kworker/1:912:5872 blocked for more than 471 seconds. ** 7 printk messages dropped ** [ 1345.378461][ T32] r4:858c1800 ** 4 printk messages dropped ** [ 1345.378686][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec91de08 ** 9 printk messages dropped ** [ 1345.379077][ T32] r5:00001000 r4:eb87d000 ** 1 printk messages dropped ** [ 1345.379145][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1345.379491][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1345.379660][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1345.391043][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 9 printk messages dropped ** [ 1345.391364][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 13 printk messages dropped ** [ 1345.391962][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1345.392174][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1345.392332][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1345.392817][ T32] r10:8291880c r9:ec929d84 r8:00000002 r7:60000113 r6:ec929d8c r5:858c3c00 ** 8 printk messages dropped ** [ 1345.393106][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1345.393406][ T32] r5:00001000 r4:eb829000 ** 1 printk messages dropped ** [ 1345.393483][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1345.393793][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1345.394029][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1345.394093][ T32] r4:85832340 [ 1345.394466][ T32] INFO: task kworker/1:913:5875 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.394507][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.394564][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.394609][ T32] Call trace: [ 1345.394639][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.394714][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.394742][ T32] r4:00000000 [ 1345.394780][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.394844][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.394894][ T32] dd20: 8c5cd000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.394958][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.394986][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.395011][ T32] r5:80070013 r4:80239bb0 [ 1345.395051][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.395099][ T32] r4:82ac11a4 [ 1345.395152][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.395203][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.395225][ T32] r4:e884ddc0 [ 1345.395253][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.395300][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.395342][ T32] r4:00000000 [ 1345.395384][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.395449][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.395475][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.395517][ T32] r5:00001000 r4:e884f000 [ 1345.395557][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.395599][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.395661][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.395685][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.395730][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.395750][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.395794][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.395815][ T32] r4:8454db00 [ 1345.395834][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.395904][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.395930][ T32] r4:00000001 [ 1345.395968][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.396007][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.396047][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.396079][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.396106][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.396133][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.396174][ T32] r4:84e5aa80 [ 1345.396216][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.396259][ T32] INFO: task kworker/1:914:5877 blocked for more than 471 seconds. [ 1345.396295][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.396318][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.396338][ T32] task:kworker/1:914 state:D stack:0 pid:5877 tgid:5877 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.396421][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.396463][ T32] Call trace: [ 1345.396515][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.396563][ T32] r10:8291880c r9:ec931d84 r8:00000002 r7:60000013 r6:ec931d8c r5:858c6000 [ 1345.396587][ T32] r4:858c6000 [ 1345.396605][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.396662][ T32] r5:858c6000 r4:82918808 [ 1345.396704][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.396743][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.396793][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec931e08 [ 1345.396816][ T32] r4:00000000 [ 1345.396834][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.396880][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.396925][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.396972][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85832840 [ 1345.396998][ T32] r4:00000000 [ 1345.397019][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.397067][ T32] r9:83018205 r8:858c6000 r7:00000000 r6:83018200 r5:00001000 r4:7f06f000 [ 1345.397088][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.397128][ T32] r5:00001000 r4:eba0d000 [ 1345.397147][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.397184][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.397224][ T32] r5:858f2b8c r4:858f2800 [ 1345.397243][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.397316][ T32] r7:ddde2d80 r6:83018200 r5:858f2b8c r4:857f2500 [ 1345.397359][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 5 printk messages dropped ** [ 1345.397703][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1345.398593][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1345.398910][ T32] dd20: 8c5cd000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 9 printk messages dropped ** [ 1345.399299][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 10 printk messages dropped ** [ 1345.399710][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1345.433464][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1345.434168][ T32] Call trace: ** 6 printk messages dropped ** [ 1345.434845][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1345.435768][ T32] r5:00001000 r4:eb9cf000 [ 1345.435816][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1345.436233][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1345.436909][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1345.438568][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1345.438815][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1345.439089][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.439115][ T32] r4:00000000 [ 1345.439134][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.439178][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.439200][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.439240][ T32] r5:00001000 r4:e884f000 [ 1345.439270][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.439341][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.439386][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.439435][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.439486][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.439519][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.439566][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.439589][ T32] r4:8454db00 [ 1345.439607][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.439649][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.439689][ T32] r4:00000001 [ 1345.439711][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.446611][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.446766][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.446836][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.446899][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.446988][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.447057][ T32] r4:84e5aa80 [ 1345.447111][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.447173][ T32] INFO: task kworker/1:916:5881 blocked for more than 471 seconds. [ 1345.447252][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.447337][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.447407][ T32] task:kworker/1:916 state:D stack:0 pid:5881 tgid:5881 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.447521][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.447638][ T32] Call trace: [ 1345.447713][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.447830][ T32] r10:8291880c r9:ec93dd84 r8:00000002 r7:60000013 r6:ec93dd8c r5:858c3000 [ 1345.447903][ T32] r4:858c3000 [ 1345.447995][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.448100][ T32] r5:858c3000 r4:82918808 [ 1345.448148][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.448233][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.448332][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec93de08 [ 1345.448398][ T32] r4:00000000 [ 1345.448442][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.448530][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.448623][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.448730][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85832e00 [ 1345.448852][ T32] r4:00000000 [ 1345.448928][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.449049][ T32] r9:83018205 r8:858c3000 r7:00000000 r6:83018200 r5:00001000 r4:7f077000 [ 1345.449103][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.449197][ T32] r5:00001000 r4:ebaed000 [ 1345.449262][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.449357][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.449446][ T32] r5:858f3b8c r4:858f3800 [ 1345.449495][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.449600][ T32] r7:ddde2d80 r6:83018200 r5:858f3b8c r4:857f2600 [ 1345.449656][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.465114][ T32] r10:61c88647 r9:858c3000 r8:857f262c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.465269][ T32] r4:857f2600 [ 1345.465326][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.465475][ T32] r10:00000000 r9:857f2600 r8:8027f5e8 r7:ec931e60 r6:857dfc80 r5:858c3000 ** 4 printk messages dropped ** [ 1345.465792][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1345.467444][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1345.468392][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1345.468841][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1345.489529][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.489624][ T32] r4:8454db00 [ 1345.489679][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.490789][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.491004][ T32] r4:00000001 [ 1345.491093][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.491225][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.491316][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.491385][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.491417][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.491447][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.491470][ T32] r4:84e5aa80 [ 1345.491516][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.491563][ T32] INFO: task kworker/1:917:5882 blocked for more than 471 seconds. [ 1345.491601][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.491647][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 2 printk messages dropped ** [ 1345.491797][ T32] Call trace: ** 6 printk messages dropped ** [ 1345.492087][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1345.492578][ T32] r5:00001000 r4:eba4d000 [ 1345.492602][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1345.492728][ T32] r5:858f2f8c r4:858f2c00 ** 3 printk messages dropped ** [ 1345.492884][ T32] r10:61c88647 r9:858c5400 r8:857f26ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1345.493243][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1345.494850][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 11 printk messages dropped ** [ 1345.495784][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1345.496817][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1345.497353][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1345.498304][ T32] Call trace: ** 5 printk messages dropped ** [ 1345.498855][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1345.499735][ T32] r5:00001000 r4:eba85000 [ 1345.499808][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1345.530695][ T32] r7:ddde2d80 r6:83018200 r5:858f338c r4:857f2700 ** 8 printk messages dropped ** [ 1345.531284][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1345.532195][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1345.532711][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1345.533177][ T32] r4:00000000 [ 1345.533220][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.533318][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.533384][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.533484][ T32] r5:00001000 r4:e884f000 [ 1345.533530][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.533615][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.533702][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.533747][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.533842][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.533890][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.533986][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.534052][ T32] r4:8454db00 [ 1345.534165][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.534300][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.534358][ T32] r4:00000001 [ 1345.534423][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.534512][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.534574][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.534635][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.534709][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.534780][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.534835][ T32] r4:84e5aa80 [ 1345.534884][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.534947][ T32] INFO: task kworker/1:919:5885 blocked for more than 472 seconds. [ 1345.535019][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.535089][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.535143][ T32] task:kworker/1:919 state:D stack:0 pid:5885 tgid:5885 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.535296][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.535353][ T32] Call trace: [ 1345.535386][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.535451][ T32] r10:8291880c r9:ec915d84 r8:00000002 r7:60000013 r6:ec915d8c r5:85815400 [ 1345.535480][ T32] r4:85815400 [ 1345.535503][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.535548][ T32] r5:85815400 r4:82918808 [ 1345.535589][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.535645][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.535693][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec915e08 [ 1345.535717][ T32] r4:00000000 [ 1345.535738][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.535774][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.535812][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.535898][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85832c80 [ 1345.535929][ T32] r4:00000000 [ 1345.535972][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.536029][ T32] r9:83018205 r8:85815400 r7:00000000 r6:83018200 r5:00001000 r4:7f075000 [ 1345.536060][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.536125][ T32] r5:00001000 r4:ebab5000 [ 1345.536151][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.536193][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.536243][ T32] r5:858f378c r4:858f3400 [ 1345.536266][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.536315][ T32] r7:ddde2d80 r6:83018200 r5:858f378c r4:857f2800 [ 1345.536358][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.536420][ T32] r10:61c88647 r9:85815400 r8:857f282c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.536459][ T32] r4:857f2800 [ 1345.536484][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.536539][ T32] r10:00000000 r9:857f2800 r8:8027f5e8 r7:ec93de60 r6:857f2880 r5:85815400 [ 1345.536567][ T32] r4:00000001 [ 1345.536612][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.536656][ T32] Exception stack(0xec915fb0 to 0xec915ff8) [ 1345.536685][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.536717][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.536744][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.536794][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1345.537982][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 13 printk messages dropped ** [ 1345.539174][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 16 printk messages dropped ** [ 1345.562737][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 17 printk messages dropped ** [ 1345.563440][ T32] r5:85816c00 r4:82918808 ** 3 printk messages dropped ** [ 1345.563619][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1345.563872][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1345.564075][ T32] r5:00001000 r4:ebb0d000 [ 1345.564095][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1345.564304][ T32] r7:ddde2d80 r6:83018200 r5:858f3f8c r4:857f2900 ** 12 printk messages dropped ** [ 1345.564880][ T32] r4:85832c00 ** 7 printk messages dropped ** [ 1345.565819][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 11 printk messages dropped ** [ 1345.566292][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1345.566738][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1345.567054][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1345.567497][ T32] Call trace: ** 2 printk messages dropped ** [ 1345.567602][ T32] r4:85812400 [ 1345.567640][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.567683][ T32] r5:85812400 r4:82918808 [ 1345.567702][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.567779][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.567853][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec945e08 [ 1345.567878][ T32] r4:00000000 [ 1345.567918][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.567958][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.568024][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.568092][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85846040 [ 1345.568139][ T32] r4:00000000 [ 1345.568162][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.568226][ T32] r9:83018205 r8:85812400 r7:00000000 r6:83018200 r5:00001000 r4:7f07b000 [ 1345.568270][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.568313][ T32] r5:00001000 r4:ec4e1000 [ 1345.568353][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.568397][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.568459][ T32] r5:858f838c r4:858f8000 [ 1345.568481][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.568526][ T32] r7:ddde2d80 r6:83018200 r5:858f838c r4:857f2a00 [ 1345.568586][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.568654][ T32] r10:61c88647 r9:85812400 r8:857f2a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.568679][ T32] r4:857f2a00 [ 1345.568718][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.568764][ T32] r10:00000000 r9:857f2a00 r8:8027f5e8 r7:ec919e60 r6:857f2a80 r5:85812400 [ 1345.568798][ T32] r4:00000001 [ 1345.568840][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.568899][ T32] Exception stack(0xec945fb0 to 0xec945ff8) [ 1345.568938][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.569004][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.569082][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.569136][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.569162][ T32] r4:85846080 [ 1345.569524][ T32] INFO: task kworker/1:921:5890 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.569558][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.569658][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.569709][ T32] Call trace: [ 1345.569739][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.583131][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.583222][ T32] r4:00000000 [ 1345.583269][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.583359][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.583396][ T32] dd20: 8e050000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.583449][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.583501][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.583529][ T32] r5:80070013 r4:80239bb0 [ 1345.583584][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.583696][ T32] r4:82ac11a4 [ 1345.583817][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.583897][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.583956][ T32] r4:e884ddc0 [ 1345.584011][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.584113][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.584139][ T32] r4:00000000 [ 1345.584161][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.584207][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.584230][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.584273][ T32] r5:00001000 r4:e884f000 [ 1345.584292][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.584329][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.584370][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.584434][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.584484][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.584505][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.584549][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.584646][ T32] r4:8454db00 [ 1345.584736][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.584788][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.584836][ T32] r4:00000001 [ 1345.584860][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.584895][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.584921][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.584948][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.585036][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.585073][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.585129][ T32] r4:84e5aa80 [ 1345.585160][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.585195][ T32] INFO: task kworker/1:922:5891 blocked for more than 472 seconds. [ 1345.585234][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.585306][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1345.585646][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1345.586224][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec94de08 ** 9 printk messages dropped ** [ 1345.586710][ T32] r5:00001000 r4:ec505000 [ 1345.586731][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1345.587143][ T32] r10:61c88647 r9:85818000 r8:857f2b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1345.587664][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1345.588396][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1345.588712][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 3 printk messages dropped ** [ 1345.588818][ T32] dd20: 8e050000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.588881][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.588912][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.588938][ T32] r5:80070013 r4:80239bb0 [ 1345.588959][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.589005][ T32] r4:82ac11a4 [ 1345.589024][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.589083][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.589106][ T32] r4:e884ddc0 [ 1345.589197][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.589248][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.589270][ T32] r4:00000000 [ 1345.589311][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.589395][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.589422][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.589471][ T32] r5:00001000 r4:e884f000 [ 1345.589492][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.589531][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.589593][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.589644][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.589702][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.589725][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.607779][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.607891][ T32] r4:8454db00 [ 1345.607953][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.608099][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.608127][ T32] r4:00000001 [ 1345.608147][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.608187][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.608244][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.608277][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.608306][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.608364][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.608420][ T32] r4:84e5aa80 [ 1345.608447][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.608491][ T32] INFO: task kworker/1:923:5894 blocked for more than 472 seconds. [ 1345.608559][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.608589][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.608611][ T32] task:kworker/1:923 state:D stack:0 pid:5894 tgid:5894 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.608670][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.608773][ T32] Call trace: [ 1345.608811][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.608864][ T32] r10:8291880c r9:ec951d84 r8:00000002 r7:60000013 r6:ec951d8c r5:85819800 [ 1345.608891][ T32] r4:85819800 [ 1345.608912][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.608952][ T32] r5:85819800 r4:82918808 [ 1345.608973][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.609008][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.609104][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec951e08 [ 1345.609242][ T32] r4:00000000 [ 1345.609266][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.609315][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.609422][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.609475][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85846740 [ 1345.609499][ T32] r4:00000000 [ 1345.609520][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.609567][ T32] r9:83018205 r8:85819800 r7:00000000 r6:83018200 r5:00001000 r4:7f07f000 [ 1345.609633][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.609810][ T32] r5:00001000 r4:ec521000 [ 1345.623084][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.623183][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.623295][ T32] r5:858f8b8c r4:858f8800 [ 1345.623331][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.623403][ T32] r7:ddde2d80 r6:83018200 r5:858f8b8c r4:857f2c00 [ 1345.623437][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.623510][ T32] r10:61c88647 r9:85819800 r8:857f2c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.623539][ T32] r4:857f2c00 [ 1345.623559][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.623626][ T32] r10:00000000 r9:857f2c00 r8:8027f5e8 r7:ec94de60 r6:857f2c80 r5:85819800 [ 1345.623667][ T32] r4:00000001 [ 1345.623726][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.623803][ T32] Exception stack(0xec951fb0 to 0xec951ff8) [ 1345.623858][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.623915][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.623969][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.624046][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.624099][ T32] r4:85846080 [ 1345.624620][ T32] INFO: task kworker/1:923:5894 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.624679][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.624763][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.624834][ T32] Call trace: [ 1345.624878][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.624930][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.624952][ T32] r4:00000000 [ 1345.624996][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.625051][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.625122][ T32] dd20: 8ecc4000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.625156][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.625181][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.625204][ T32] r5:80070013 r4:80239bb0 [ 1345.625225][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.625294][ T32] r4:82ac11a4 [ 1345.625339][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.625390][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.625412][ T32] r4:e884ddc0 [ 1345.625451][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.625498][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.625542][ T32] r4:00000000 [ 1345.625587][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.625644][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.625670][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.625712][ T32] r5:00001000 r4:e884f000 [ 1345.625732][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.625771][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.625832][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.625856][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.625903][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.625923][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.625966][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.625988][ T32] r4:8454db00 [ 1345.626027][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.626078][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.626141][ T32] r4:00000001 [ 1345.626184][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.626252][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.626279][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.626308][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.626347][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.626400][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.626446][ T32] r4:84e5aa80 [ 1345.626505][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.626544][ T32] INFO: task kworker/1:924:5897 blocked for more than 472 seconds. [ 1345.626581][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.626627][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 1 printk messages dropped ** [ 1345.626724][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1345.626905][ T32] r10:8291880c r9:ec949d84 r8:00000002 r7:60000013 r6:ec949d8c r5:8581a400 ** 5 printk messages dropped ** [ 1345.627166][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec949e08 [ 1345.627198][ T32] r4:00000000 [ 1345.627242][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.627282][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.627340][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.627407][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858469c0 [ 1345.627438][ T32] r4:00000000 [ 1345.627458][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.627523][ T32] r9:83018205 r8:8581a400 r7:00000000 r6:83018200 r5:00001000 r4:7f083000 [ 1345.627548][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.627591][ T32] r5:00001000 r4:ec54b000 [ 1345.627610][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.627648][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.627700][ T32] r5:858f938c r4:858f9000 [ 1345.627724][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.627789][ T32] r7:ddde2d80 r6:83018200 r5:858f938c r4:857f2d00 [ 1345.627813][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.627859][ T32] r10:61c88647 r9:8581a400 r8:857f2d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.627881][ T32] r4:857f2d00 [ 1345.627920][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.628020][ T32] r10:00000000 r9:857f2d00 r8:8027f5e8 r7:ec951e60 r6:857f2d80 r5:8581a400 [ 1345.628053][ T32] r4:00000001 [ 1345.628072][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.628110][ T32] Exception stack(0xec949fb0 to 0xec949ff8) [ 1345.628156][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.628189][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.628236][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.628293][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.628319][ T32] r4:858465c0 [ 1345.628695][ T32] INFO: task kworker/1:924:5897 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.628731][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.628812][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.628857][ T32] Call trace: [ 1345.628888][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.628957][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.628983][ T32] r4:00000000 [ 1345.629003][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.629049][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.629079][ T32] dd20: 8ecc4000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.629107][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.629153][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.629181][ T32] r5:80070013 r4:80239bb0 [ 1345.629202][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.629246][ T32] r4:82ac11a4 [ 1345.629265][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.629322][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.629364][ T32] r4:e884ddc0 [ 1345.629406][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.629488][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.629525][ T32] r4:00000000 [ 1345.629570][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.629630][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.629655][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.629706][ T32] r5:00001000 r4:e884f000 [ 1345.629774][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.650351][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.650467][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.650492][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.650567][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.650600][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.650668][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.650708][ T32] r4:8454db00 [ 1345.650742][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.650796][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.650819][ T32] r4:00000001 [ 1345.650839][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.650887][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.650941][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.650974][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.651001][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.651053][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.651080][ T32] r4:84e5aa80 [ 1345.651115][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.651150][ T32] INFO: task kworker/1:925:5898 blocked for more than 472 seconds. [ 1345.651186][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.651212][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.651234][ T32] task:kworker/1:925 state:D stack:0 pid:5898 tgid:5898 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.651292][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.651348][ T32] Call trace: [ 1345.651386][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.651439][ T32] r10:8291880c r9:ec959d84 r8:00000002 r7:60000013 r6:ec959d8c r5:8581b000 [ 1345.651462][ T32] r4:8581b000 [ 1345.651519][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.651563][ T32] r5:8581b000 r4:82918808 [ 1345.651585][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.651622][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.651683][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec959e08 [ 1345.651709][ T32] r4:00000000 [ 1345.651729][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.651764][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.651805][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.651848][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85846800 [ 1345.651870][ T32] r4:00000000 [ 1345.651888][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.651934][ T32] r9:83018205 r8:8581b000 r7:00000000 r6:83018200 r5:00001000 r4:7f081000 [ 1345.651978][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.652023][ T32] r5:00001000 r4:ec52f000 [ 1345.652050][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.652089][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.652151][ T32] r5:858f8f8c r4:858f8c00 [ 1345.652174][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.652238][ T32] r7:ddde2d80 r6:83018200 r5:858f8f8c r4:857f2e00 [ 1345.652263][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.652329][ T32] r10:61c88647 r9:8581b000 r8:857f2e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.652354][ T32] r4:857f2e00 [ 1345.652374][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.652416][ T32] r10:00000000 r9:857f2e00 r8:8027f5e8 r7:ec949e60 r6:857f2e80 r5:8581b000 [ 1345.652439][ T32] r4:00000001 [ 1345.652458][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.652514][ T32] Exception stack(0xec959fb0 to 0xec959ff8) [ 1345.652544][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.652571][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.652597][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.652625][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.652647][ T32] r4:85846680 [ 1345.653182][ T32] INFO: task kworker/1:925:5898 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.653220][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.653345][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.653437][ T32] Call trace: [ 1345.653519][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.653569][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.653608][ T32] r4:00000000 [ 1345.653631][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.653693][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.653725][ T32] dd20: 8f2c6000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.653754][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.653778][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.653802][ T32] r5:80070013 r4:80239bb0 [ 1345.653821][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.653866][ T32] r4:82ac11a4 [ 1345.653886][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.653932][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.653966][ T32] r4:e884ddc0 [ 1345.653989][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.654043][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.654082][ T32] r4:00000000 [ 1345.654126][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.654174][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.654310][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.654373][ T32] r5:00001000 r4:e884f000 [ 1345.654397][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.654442][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.654526][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.654570][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.654620][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.654641][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.654710][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.654781][ T32] r4:8454db00 [ 1345.654803][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.654867][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.654893][ T32] r4:00000001 [ 1345.654932][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.655031][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.655068][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.655107][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.655158][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.655190][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.655226][ T32] r4:84e5aa80 [ 1345.655258][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.655288][ T32] INFO: task kworker/1:926:5900 blocked for more than 472 seconds. [ 1345.655330][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.655356][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.655398][ T32] task:kworker/1:926 state:D stack:0 pid:5900 tgid:5900 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.655467][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.655512][ T32] Call trace: [ 1345.655563][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.655614][ T32] r10:8291880c r9:ec955d84 r8:00000002 r7:60000013 r6:ec955d8c r5:8581bc00 [ 1345.655637][ T32] r4:8581bc00 [ 1345.655675][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.655718][ T32] r5:8581bc00 r4:82918808 [ 1345.655742][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.655780][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.655841][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec955e08 [ 1345.655866][ T32] r4:00000000 [ 1345.655886][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.655920][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.655956][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.655999][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858461c0 [ 1345.656020][ T32] r4:00000000 [ 1345.656048][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.656112][ T32] r9:83018205 r8:8581bc00 r7:00000000 r6:83018200 r5:00001000 r4:7f08b000 [ 1345.656157][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.656241][ T32] r5:00001000 r4:ec6c1000 [ 1345.656264][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.656303][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.656345][ T32] r5:858fa38c r4:858fa000 [ 1345.656385][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.656453][ T32] r7:ddde2d80 r6:83018200 r5:858fa38c r4:857f2f00 [ 1345.656478][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.656542][ T32] r10:61c88647 r9:8581bc00 r8:857f2f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.656571][ T32] r4:857f2f00 [ 1345.656611][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.656657][ T32] r10:00000000 r9:857f2f00 r8:8027f5e8 r7:ec949e60 r6:857f2f80 r5:8581bc00 [ 1345.656679][ T32] r4:00000001 [ 1345.656698][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.656733][ T32] Exception stack(0xec955fb0 to 0xec955ff8) [ 1345.656758][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.656845][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.656876][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.656905][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.656928][ T32] r4:85846840 [ 1345.657282][ T32] INFO: task kworker/1:926:5900 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.657315][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.657415][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.657462][ T32] Call trace: [ 1345.657493][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.657560][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.657586][ T32] r4:00000000 [ 1345.657606][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.657663][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.657714][ T32] dd20: 8f2c6000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.657746][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.657772][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.657796][ T32] r5:80070013 r4:80239bb0 [ 1345.657815][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.657920][ T32] r4:82ac11a4 [ 1345.657943][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.658014][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.658077][ T32] r4:e884ddc0 [ 1345.658101][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.658165][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.658217][ T32] r4:00000000 [ 1345.658247][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.658297][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.658319][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.658361][ T32] r5:00001000 r4:e884f000 [ 1345.658395][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.658440][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.658481][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.658501][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.658546][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.658589][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.658637][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.658680][ T32] r4:8454db00 [ 1345.658743][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.658809][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.658878][ T32] r4:00000001 [ 1345.658920][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.658960][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.659008][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.659046][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.659074][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.659102][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.659124][ T32] r4:84e5aa80 [ 1345.659165][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.659197][ T32] INFO: task kworker/1:927:5902 blocked for more than 472 seconds. [ 1345.659227][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.659251][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.659307][ T32] task:kworker/1:927 state:D stack:0 pid:5902 tgid:5902 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.659355][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.659401][ T32] Call trace: [ 1345.659432][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.659480][ T32] r10:8291880c r9:ec95dd84 r8:00000002 r7:60000013 r6:ec95dd8c r5:8581c800 [ 1345.659503][ T32] r4:8581c800 [ 1345.659521][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.659559][ T32] r5:8581c800 r4:82918808 [ 1345.659584][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.659642][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.659690][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec95de08 [ 1345.659712][ T32] r4:00000000 [ 1345.659731][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.680126][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.680254][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.680305][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85846b80 [ 1345.680329][ T32] r4:00000000 [ 1345.680349][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.680396][ T32] r9:83018205 r8:8581c800 r7:00000000 r6:83018200 r5:00001000 r4:7f085000 [ 1345.680441][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.680491][ T32] r5:00001000 r4:ec561000 [ 1345.680512][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.680550][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.680591][ T32] r5:858f978c r4:858f9400 [ 1345.680631][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.680687][ T32] r7:ddde2d80 r6:83018200 r5:858f978c r4:8584c000 [ 1345.680709][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.680755][ T32] r10:61c88647 r9:8581c800 r8:8584c02c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.680777][ T32] r4:8584c000 [ 1345.680796][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.680840][ T32] r10:00000000 r9:8584c000 r8:8027f5e8 r7:ec955e60 r6:8584c080 r5:8581c800 [ 1345.680862][ T32] r4:00000001 [ 1345.680881][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.680919][ T32] Exception stack(0xec95dfb0 to 0xec95dff8) [ 1345.680958][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.681011][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.681063][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.681140][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.681173][ T32] r4:85846bc0 [ 1345.681674][ T32] INFO: task kworker/1:927:5902 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.681710][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.681804][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.681883][ T32] Call trace: [ 1345.681929][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.681981][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.682005][ T32] r4:00000000 [ 1345.682024][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.682069][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.682111][ T32] dd20: 8f587000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.682144][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.682169][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.682212][ T32] r5:80070013 r4:80239bb0 [ 1345.682237][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.682283][ T32] r4:82ac11a4 [ 1345.682302][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.682363][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.682388][ T32] r4:e884ddc0 [ 1345.682409][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.682474][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.682524][ T32] r4:00000000 [ 1345.682556][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.682602][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.682640][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.682687][ T32] r5:00001000 r4:e884f000 [ 1345.682749][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.682813][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.682880][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.682939][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.683011][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.683049][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.683098][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.683121][ T32] r4:8454db00 [ 1345.683161][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.683208][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.683231][ T32] r4:00000001 [ 1345.683271][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.683331][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.683399][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.683507][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.683576][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.683630][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.683675][ T32] r4:84e5aa80 [ 1345.683731][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.683796][ T32] INFO: task kworker/1:928:5904 blocked for more than 472 seconds. [ 1345.683862][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.683928][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.683987][ T32] task:kworker/1:928 state:D stack:0 pid:5904 tgid:5904 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.684086][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.684217][ T32] Call trace: [ 1345.684330][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.684427][ T32] r10:8291880c r9:ec961d84 r8:00000002 r7:60000113 r6:ec961d8c r5:8581d400 [ 1345.684476][ T32] r4:8581d400 [ 1345.684522][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.684601][ T32] r5:8581d400 r4:82918808 [ 1345.684647][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.684733][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.684821][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec961e08 [ 1345.684887][ T32] r4:00000000 [ 1345.684938][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.685021][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.685120][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.685238][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85846c80 [ 1345.685332][ T32] r4:00000000 [ 1345.685395][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.685509][ T32] r9:83018205 r8:8581d400 r7:00000000 r6:83018200 r5:00001000 r4:7f087000 [ 1345.685602][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.685716][ T32] r5:00001000 r4:ec57b000 [ 1345.685810][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.685914][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.686026][ T32] r5:858f9b8c r4:858f9800 [ 1345.686111][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.686245][ T32] r7:ddde2d80 r6:83018200 r5:858f9b8c r4:8584c100 [ 1345.686299][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.686393][ T32] r10:61c88647 r9:8581d400 r8:8584c12c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.686446][ T32] r4:8584c100 [ 1345.686496][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.686612][ T32] r10:00000000 r9:8584c100 r8:8027f5e8 r7:ec955e60 r6:8584c180 r5:8581d400 [ 1345.686671][ T32] r4:00000001 [ 1345.686718][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.686801][ T32] Exception stack(0xec961fb0 to 0xec961ff8) [ 1345.686861][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.686922][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.686978][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.687050][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.687103][ T32] r4:85846bc0 [ 1345.687695][ T32] INFO: task kworker/1:928:5904 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.687777][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.687927][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.688101][ T32] Call trace: [ 1345.688177][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.688301][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.688374][ T32] r4:00000000 [ 1345.688439][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.688528][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.688742][ T32] dd20: 8f587000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.688834][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.688897][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.688955][ T32] r5:80070013 r4:80239bb0 [ 1345.689007][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.689145][ T32] r4:82ac11a4 [ 1345.689207][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.689312][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.689366][ T32] r4:e884ddc0 [ 1345.689426][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.689526][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.689579][ T32] r4:00000000 [ 1345.689682][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.712228][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.712380][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.712526][ T32] r5:00001000 r4:e884f000 [ 1345.712607][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.712711][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.712810][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.712860][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.712989][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.713069][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.713170][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.713227][ T32] r4:8454db00 [ 1345.713276][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.713378][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.713432][ T32] r4:00000001 [ 1345.713485][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.713627][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.713707][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.713823][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.713902][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.713971][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.714047][ T32] r4:84e5aa80 [ 1345.714110][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.714221][ T32] INFO: task kworker/1:929:5905 blocked for more than 472 seconds. [ 1345.714303][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.714363][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.714417][ T32] task:kworker/1:929 state:D stack:0 pid:5905 tgid:5905 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.714569][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.714674][ T32] Call trace: [ 1345.714750][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.714865][ T32] r10:8291880c r9:ec965d84 r8:00000002 r7:60000013 r6:ec965d8c r5:8581e000 [ 1345.714922][ T32] r4:8581e000 [ 1345.715054][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.715171][ T32] r5:8581e000 r4:82918808 [ 1345.715228][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.715312][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.715405][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec965e08 [ 1345.715452][ T32] r4:00000000 [ 1345.715493][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.715568][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.715654][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.715744][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85846e40 [ 1345.715792][ T32] r4:00000000 [ 1345.715834][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.715926][ T32] r9:83018205 r8:8581e000 r7:00000000 r6:83018200 r5:00001000 r4:7f089000 [ 1345.715972][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.716070][ T32] r5:00001000 r4:ec6a3000 [ 1345.716118][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.716204][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.716298][ T32] r5:858f9f8c r4:858f9c00 [ 1345.716375][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.716492][ T32] r7:ddde2d80 r6:83018200 r5:858f9f8c r4:8584c200 [ 1345.716558][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.716668][ T32] r10:61c88647 r9:8581e000 r8:8584c22c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.716736][ T32] r4:8584c200 [ 1345.716797][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.716891][ T32] r10:00000000 r9:8584c200 r8:8027f5e8 r7:ec955e60 r6:8584c280 r5:8581e000 [ 1345.716945][ T32] r4:00000001 [ 1345.716992][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.717140][ T32] Exception stack(0xec965fb0 to 0xec965ff8) [ 1345.717218][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.717303][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.717379][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.717447][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.717505][ T32] r4:85846d80 [ 1345.718438][ T32] INFO: task kworker/1:929:5905 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.718538][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.718707][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.718836][ T32] Call trace: [ 1345.718930][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.719056][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.719115][ T32] r4:00000000 [ 1345.719176][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.719266][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.719334][ T32] dd20: 8f95c000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.719401][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.719460][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.719517][ T32] r5:80070013 r4:80239bb0 [ 1345.719585][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.719722][ T32] r4:82ac11a4 [ 1345.750357][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.750480][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.750534][ T32] r4:e884ddc0 [ 1345.750557][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.750605][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.750635][ T32] r4:00000000 [ 1345.750657][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.750704][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.750725][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.750768][ T32] r5:00001000 r4:e884f000 [ 1345.750803][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.750879][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.750953][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.750978][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.751050][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.751076][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.751143][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.751179][ T32] r4:8454db00 [ 1345.751222][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.751275][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.751306][ T32] r4:00000001 [ 1345.751355][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.751438][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.751471][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.751511][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.751541][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.751571][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.751594][ T32] r4:84e5aa80 [ 1345.751617][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.751648][ T32] INFO: task kworker/1:930:5908 blocked for more than 472 seconds. [ 1345.751682][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.751716][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.751742][ T32] task:kworker/1:930 state:D stack:0 pid:5908 tgid:5908 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.751798][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.751854][ T32] Call trace: [ 1345.751899][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.751955][ T32] r10:8291880c r9:ec969d84 r8:00000002 r7:60000113 r6:ec969d8c r5:8581ec00 [ 1345.751979][ T32] r4:8581ec00 [ 1345.752025][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.752120][ T32] r5:8581ec00 r4:82918808 [ 1345.752145][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.752193][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.752240][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec969e08 [ 1345.752262][ T32] r4:00000000 [ 1345.752281][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.752321][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.752377][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.752452][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85836cc0 [ 1345.752502][ T32] r4:00000000 [ 1345.752526][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.752571][ T32] r9:83018205 r8:8581ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f08d000 [ 1345.752613][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.752663][ T32] r5:00001000 r4:ec6d5000 [ 1345.752708][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.752750][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.752790][ T32] r5:858fa78c r4:858fa400 [ 1345.752809][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.752850][ T32] r7:ddde2d80 r6:83018200 r5:858fa78c r4:8584c300 [ 1345.752870][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.752932][ T32] r10:61c88647 r9:8581ec00 r8:8584c32c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.752968][ T32] r4:8584c300 [ 1345.753006][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.753057][ T32] r10:00000000 r9:8584c300 r8:8027f5e8 r7:ec955e60 r6:8584c380 r5:8581ec00 [ 1345.753101][ T32] r4:00000001 [ 1345.753129][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.753166][ T32] Exception stack(0xec969fb0 to 0xec969ff8) [ 1345.753193][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.753224][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.753273][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.753332][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.753363][ T32] r4:85836c40 [ 1345.753899][ T32] INFO: task kworker/1:930:5908 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.753938][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.754053][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.754120][ T32] Call trace: [ 1345.754180][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.754320][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.754372][ T32] r4:00000000 [ 1345.754401][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.754442][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.754490][ T32] dd20: 8ff31000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.754523][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.754548][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.754591][ T32] r5:80070013 r4:80239bb0 [ 1345.754637][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.754690][ T32] r4:82ac11a4 [ 1345.754731][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.754782][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.754828][ T32] r4:e884ddc0 [ 1345.754868][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.754934][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.754978][ T32] r4:00000000 [ 1345.755003][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.755075][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.755106][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.755158][ T32] r5:00001000 r4:e884f000 [ 1345.755184][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.755232][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.755339][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.755369][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.755415][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.755436][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.755501][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.755529][ T32] r4:8454db00 [ 1345.755550][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.755594][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.755616][ T32] r4:00000001 [ 1345.755635][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.755669][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.755694][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.755742][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.755783][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.755835][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.755860][ T32] r4:84e5aa80 [ 1345.755889][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.755938][ T32] INFO: task kworker/1:931:5911 blocked for more than 472 seconds. [ 1345.755969][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.755993][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.756041][ T32] task:kworker/1:931 state:D stack:0 pid:5911 tgid:5911 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.756091][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.756160][ T32] Call trace: [ 1345.756191][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.756239][ T32] r10:8291880c r9:ec971d84 r8:00000002 r7:60000113 r6:ec971d8c r5:85818c00 [ 1345.756261][ T32] r4:85818c00 [ 1345.756302][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.756350][ T32] r5:85818c00 r4:82918808 [ 1345.756369][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.756425][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.756475][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec971e08 [ 1345.756506][ T32] r4:00000000 [ 1345.756548][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.756586][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.756633][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.756690][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85832fc0 [ 1345.756715][ T32] r4:00000000 [ 1345.756755][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.756802][ T32] r9:83018205 r8:85818c00 r7:00000000 r6:83018200 r5:00001000 r4:7f08f000 [ 1345.756823][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.756863][ T32] r5:00001000 r4:ec727000 [ 1345.756891][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.756933][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.756973][ T32] r5:858fab8c r4:858fa800 [ 1345.756991][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.757047][ T32] r7:ddde2d80 r6:83018200 r5:858fab8c r4:8584c400 [ 1345.757071][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.757117][ T32] r10:61c88647 r9:85818c00 r8:8584c42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.757155][ T32] r4:8584c400 [ 1345.757180][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.757224][ T32] r10:00000000 r9:8584c400 r8:8027f5e8 r7:ec969e60 r6:8584c480 r5:85818c00 [ 1345.757260][ T32] r4:00000001 [ 1345.757282][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.757319][ T32] Exception stack(0xec971fb0 to 0xec971ff8) [ 1345.757365][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.757400][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.757427][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.757455][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.757491][ T32] r4:85832f80 [ 1345.757849][ T32] INFO: task kworker/1:931:5911 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.757888][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.757971][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.758078][ T32] Call trace: [ 1345.758134][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.758223][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.758264][ T32] r4:00000000 [ 1345.758290][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.758360][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.758429][ T32] dd20: 8ff31000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.758503][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.758552][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.758597][ T32] r5:80070013 r4:80239bb0 [ 1345.758645][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.758700][ T32] r4:82ac11a4 [ 1345.758720][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.758765][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.758787][ T32] r4:e884ddc0 [ 1345.758805][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.758847][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.758890][ T32] r4:00000000 [ 1345.758913][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.758978][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.759005][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.759089][ T32] r5:00001000 r4:e884f000 [ 1345.759130][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.759172][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.759231][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.759255][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.759308][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.759329][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.759394][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.759422][ T32] r4:8454db00 [ 1345.759477][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.759525][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.759548][ T32] r4:00000001 [ 1345.759566][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.759601][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.759627][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.759654][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.759681][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.759709][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.759793][ T32] r4:84e5aa80 [ 1345.780279][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.780335][ T32] INFO: task kworker/1:932:5913 blocked for more than 472 seconds. [ 1345.780379][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.780408][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.780431][ T32] task:kworker/1:932 state:D stack:0 pid:5913 tgid:5913 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.780538][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.780628][ T32] Call trace: [ 1345.780686][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.780770][ T32] r10:8291880c r9:ec975d84 r8:00000002 r7:60000113 r6:ec975d8c r5:85800c00 [ 1345.780818][ T32] r4:85800c00 [ 1345.780862][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.780923][ T32] r5:85800c00 r4:82918808 [ 1345.780947][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.780984][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.781052][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec975e08 [ 1345.781085][ T32] r4:00000000 [ 1345.781105][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.781141][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.781197][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.781264][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8585a040 [ 1345.781295][ T32] r4:00000000 [ 1345.781315][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.781361][ T32] r9:83018205 r8:85800c00 r7:00000000 r6:83018200 r5:00001000 r4:7f091000 [ 1345.781382][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.781422][ T32] r5:00001000 r4:ec735000 [ 1345.781442][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.781481][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.781522][ T32] r5:858faf8c r4:858fac00 [ 1345.781554][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.781615][ T32] r7:ddde2d80 r6:83018200 r5:858faf8c r4:8584c500 [ 1345.781639][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.781684][ T32] r10:61c88647 r9:85800c00 r8:8584c52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.781705][ T32] r4:8584c500 [ 1345.781723][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.781765][ T32] r10:00000000 r9:8584c500 r8:8027f5e8 r7:ec971e60 r6:8584c580 r5:85800c00 [ 1345.781787][ T32] r4:00000001 [ 1345.781805][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.781841][ T32] Exception stack(0xec975fb0 to 0xec975ff8) [ 1345.781890][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.781957][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.781992][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.782021][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.782052][ T32] r4:8585a080 [ 1345.782609][ T32] INFO: task kworker/1:932:5913 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.782654][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.782748][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.782798][ T32] Call trace: [ 1345.782829][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.782878][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.782929][ T32] r4:00000000 [ 1345.782953][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.783006][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.783043][ T32] dd20: 90321000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.783101][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.783172][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.783252][ T32] r5:80070013 r4:80239bb0 [ 1345.783279][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.783328][ T32] r4:82ac11a4 [ 1345.783349][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.783396][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.783418][ T32] r4:e884ddc0 [ 1345.783442][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.783486][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.783507][ T32] r4:00000000 [ 1345.783527][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.783600][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.783628][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.783699][ T32] r5:00001000 r4:e884f000 [ 1345.783751][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.783794][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.783836][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.783856][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.783945][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.783971][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.784017][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.784051][ T32] r4:8454db00 [ 1345.784112][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.784161][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.784184][ T32] r4:00000001 [ 1345.784258][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.784302][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.784328][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.784357][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.784407][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.784439][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.784535][ T32] r4:84e5aa80 [ 1345.784560][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.784588][ T32] INFO: task kworker/1:933:5914 blocked for more than 472 seconds. [ 1345.784616][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.784640][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.784704][ T32] task:kworker/1:933 state:D stack:0 pid:5914 tgid:5914 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.784809][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.784890][ T32] Call trace: [ 1345.784925][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.784972][ T32] r10:8291880c r9:ec96dd84 r8:00000002 r7:60000113 r6:ec96dd8c r5:85810000 [ 1345.784998][ T32] r4:85810000 [ 1345.785020][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.785069][ T32] r5:85810000 r4:82918808 [ 1345.785089][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.785124][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.785194][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec96de08 [ 1345.785248][ T32] r4:00000000 [ 1345.785271][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.785310][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.785347][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.785389][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8585a3c0 [ 1345.785440][ T32] r4:00000000 [ 1345.785504][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.785555][ T32] r9:83018205 r8:85810000 r7:00000000 r6:83018200 r5:00001000 r4:7f093000 [ 1345.785577][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.785617][ T32] r5:00001000 r4:ec743000 [ 1345.785674][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.785745][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.785790][ T32] r5:858fb38c r4:858fb000 [ 1345.785809][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.785858][ T32] r7:ddde2d80 r6:83018200 r5:858fb38c r4:8584c600 [ 1345.785906][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.785956][ T32] r10:61c88647 r9:85810000 r8:8584c62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.785981][ T32] r4:8584c600 [ 1345.786001][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.786051][ T32] r10:00000000 r9:8584c600 r8:8027f5e8 r7:ec975e60 r6:8584c680 r5:85810000 [ 1345.786104][ T32] r4:00000001 [ 1345.786126][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.786208][ T32] Exception stack(0xec96dfb0 to 0xec96dff8) [ 1345.786245][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.786273][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.786299][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.786327][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.786396][ T32] r4:8585a080 [ 1345.786759][ T32] INFO: task kworker/1:933:5914 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.786794][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.786851][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.786917][ T32] Call trace: [ 1345.786963][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.787040][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.787068][ T32] r4:00000000 [ 1345.787087][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.787126][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.787153][ T32] dd20: 90321000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.787181][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.787227][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.787254][ T32] r5:80070013 r4:80239bb0 [ 1345.787275][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.787362][ T32] r4:82ac11a4 [ 1345.787408][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.787484][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.787510][ T32] r4:e884ddc0 [ 1345.787529][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.787582][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.787607][ T32] r4:00000000 [ 1345.787638][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.787685][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.787723][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.787777][ T32] r5:00001000 r4:e884f000 [ 1345.787800][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.787840][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.787880][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.787900][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.787944][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.788004][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.788068][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.788094][ T32] r4:8454db00 [ 1345.788135][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.788181][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.788205][ T32] r4:00000001 [ 1345.788245][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.788285][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.788368][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.788436][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.788468][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.788497][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.788519][ T32] r4:84e5aa80 [ 1345.788560][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.788592][ T32] INFO: task kworker/1:934:5916 blocked for more than 472 seconds. [ 1345.788621][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.788663][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.788712][ T32] task:kworker/1:934 state:D stack:0 pid:5916 tgid:5916 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.788769][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.788848][ T32] Call trace: [ 1345.788881][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.788963][ T32] r10:8291880c r9:ec97dd84 r8:00000002 r7:60000113 r6:ec97dd8c r5:858d0000 [ 1345.789003][ T32] r4:858d0000 [ 1345.789024][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.789076][ T32] r5:858d0000 r4:82918808 [ 1345.789115][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.789155][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.789197][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec97de08 [ 1345.789239][ T32] r4:00000000 [ 1345.789262][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.789300][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.789368][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.789414][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8585a540 [ 1345.789446][ T32] r4:00000000 [ 1345.789468][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.789532][ T32] r9:83018205 r8:858d0000 r7:00000000 r6:83018200 r5:00001000 r4:7f095000 [ 1345.789572][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.789616][ T32] r5:00001000 r4:ec75f000 [ 1345.789636][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.789673][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.789750][ T32] r5:858fb78c r4:858fb400 [ 1345.819649][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.820232][ T32] r7:ddde2d80 r6:83018200 r5:858fb78c r4:8584c700 [ 1345.820276][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.820339][ T32] r10:61c88647 r9:858d0000 r8:8584c72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.820362][ T32] r4:8584c700 [ 1345.820382][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.820428][ T32] r10:00000000 r9:8584c700 r8:8027f5e8 r7:ec96de60 r6:857dfd80 r5:858d0000 [ 1345.820450][ T32] r4:00000001 [ 1345.820469][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.820507][ T32] Exception stack(0xec97dfb0 to 0xec97dff8) [ 1345.820537][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.820565][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.820591][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.820620][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.820641][ T32] r4:8585a240 [ 1345.821181][ T32] INFO: task kworker/1:934:5916 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.821221][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.821292][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.821342][ T32] Call trace: [ 1345.821423][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.821500][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.821546][ T32] r4:00000000 [ 1345.821572][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.821612][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.821661][ T32] dd20: 90918000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.821701][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.821726][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.821771][ T32] r5:80070013 r4:80239bb0 [ 1345.821822][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.821903][ T32] r4:82ac11a4 [ 1345.821927][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.821998][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.822023][ T32] r4:e884ddc0 [ 1345.822051][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.822096][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.822139][ T32] r4:00000000 [ 1345.822164][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.822244][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.822267][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.822309][ T32] r5:00001000 r4:e884f000 [ 1345.822329][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.822377][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.822422][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.822443][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.822487][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.822507][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.822551][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.822573][ T32] r4:8454db00 [ 1345.822612][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.822670][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.822695][ T32] r4:00000001 [ 1345.822714][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.822798][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.822849][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.822880][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.822927][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.822967][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.823031][ T32] r4:84e5aa80 [ 1345.823061][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.823121][ T32] INFO: task kworker/1:935:5919 blocked for more than 472 seconds. [ 1345.823160][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.823184][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.823206][ T32] task:kworker/1:935 state:D stack:0 pid:5919 tgid:5919 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.823263][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.823349][ T32] Call trace: [ 1345.823419][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.823483][ T32] r10:8291880c r9:ec991d84 r8:00000002 r7:60000013 r6:ec991d8c r5:858d3000 [ 1345.823507][ T32] r4:858d3000 [ 1345.823527][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.823567][ T32] r5:858d3000 r4:82918808 [ 1345.823586][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.823654][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.823702][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec991e08 [ 1345.823724][ T32] r4:00000000 [ 1345.823743][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.823854][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.823910][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.823956][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8585a640 [ 1345.823978][ T32] r4:00000000 [ 1345.824027][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.824083][ T32] r9:83018205 r8:858d3000 r7:00000000 r6:83018200 r5:00001000 r4:7f097000 [ 1345.824105][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.824145][ T32] r5:00001000 r4:ec983000 [ 1345.824176][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.824218][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.824289][ T32] r5:858fbb8c r4:858fb800 [ 1345.824313][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.824357][ T32] r7:ddde2d80 r6:83018200 r5:858fbb8c r4:8584c780 [ 1345.824377][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.824441][ T32] r10:61c88647 r9:858d3000 r8:8584c7ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.824467][ T32] r4:8584c780 [ 1345.824486][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.824583][ T32] r10:00000000 r9:8584c780 r8:8027f5e8 r7:ec97de60 r6:857dfe00 r5:858d3000 [ 1345.824609][ T32] r4:00000001 [ 1345.824629][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.824665][ T32] Exception stack(0xec991fb0 to 0xec991ff8) [ 1345.824691][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.824718][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.824743][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.824770][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.824793][ T32] r4:8585a340 [ 1345.825146][ T32] INFO: task kworker/1:935:5919 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.825189][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.825249][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.825303][ T32] Call trace: [ 1345.825355][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.825444][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.825495][ T32] r4:00000000 [ 1345.825536][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.825608][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.825659][ T32] dd20: 90918000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.825711][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.825760][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.825806][ T32] r5:80070013 r4:80239bb0 [ 1345.825846][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.825925][ T32] r4:82ac11a4 [ 1345.825966][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.826063][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.826112][ T32] r4:e884ddc0 [ 1345.826172][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.826303][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.826402][ T32] r4:00000000 [ 1345.826481][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.826594][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.826646][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.826732][ T32] r5:00001000 r4:e884f000 [ 1345.826775][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.826855][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.826942][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.826988][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.827094][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.827146][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.827242][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.827290][ T32] r4:8454db00 [ 1345.827331][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.827411][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.827454][ T32] r4:00000001 [ 1345.827477][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.827546][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.827581][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.827630][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.827667][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.827716][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.827746][ T32] r4:84e5aa80 [ 1345.827787][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.827817][ T32] INFO: task kworker/1:936:5920 blocked for more than 472 seconds. [ 1345.827847][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.827871][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.827892][ T32] task:kworker/1:936 state:D stack:0 pid:5920 tgid:5920 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.827962][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.828050][ T32] Call trace: [ 1345.828101][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.828183][ T32] r10:8291880c r9:ec995d84 r8:00000002 r7:60000013 r6:ec995d8c r5:858d0c00 [ 1345.828210][ T32] r4:858d0c00 [ 1345.828230][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.828271][ T32] r5:858d0c00 r4:82918808 [ 1345.828311][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.828399][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.828461][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec995e08 [ 1345.828484][ T32] r4:00000000 [ 1345.828517][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.828557][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.828610][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.828657][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8585aa40 [ 1345.828680][ T32] r4:00000000 [ 1345.828720][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.828773][ T32] r9:83018205 r8:858d0c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0ab000 [ 1345.828804][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.828910][ T32] r5:00001000 r4:ec9b7000 [ 1345.828961][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.829005][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.829052][ T32] r5:8590478c r4:85904400 [ 1345.829072][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.829115][ T32] r7:ddde2d80 r6:83018200 r5:8590478c r4:8584c800 [ 1345.829153][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.829241][ T32] r10:61c88647 r9:858d0c00 r8:8584c82c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.829270][ T32] r4:8584c800 [ 1345.829294][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.829370][ T32] r10:00000000 r9:8584c800 r8:8027f5e8 r7:ec991e60 r6:857dfe80 r5:858d0c00 [ 1345.829396][ T32] r4:00000001 [ 1345.829415][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.829471][ T32] Exception stack(0xec995fb0 to 0xec995ff8) [ 1345.829504][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.829533][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.829568][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.829599][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.829645][ T32] r4:8585a440 [ 1345.852956][ T32] INFO: task kworker/1:936:5920 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.853071][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.853151][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.853215][ T32] Call trace: [ 1345.853290][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.853353][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.853378][ T32] r4:00000000 [ 1345.853398][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.853461][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.853495][ T32] dd20: 90d10000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.853544][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.853607][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.853636][ T32] r5:80070013 r4:80239bb0 [ 1345.853667][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.853731][ T32] r4:82ac11a4 [ 1345.853754][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.853802][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.853840][ T32] r4:e884ddc0 [ 1345.853862][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.853906][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.853948][ T32] r4:00000000 [ 1345.853992][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.854049][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.854095][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.854175][ T32] r5:00001000 r4:e884f000 [ 1345.854224][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.854265][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.854307][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.854345][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.854416][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.854444][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.854490][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.854521][ T32] r4:8454db00 [ 1345.854544][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.854588][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.854611][ T32] r4:00000001 [ 1345.854667][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.854707][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.854733][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.854781][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.854831][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.854863][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.854906][ T32] r4:84e5aa80 [ 1345.854932][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.854961][ T32] INFO: task kworker/1:937:5922 blocked for more than 472 seconds. [ 1345.855015][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.855069][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.855096][ T32] task:kworker/1:937 state:D stack:0 pid:5922 tgid:5922 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.855160][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.855233][ T32] Call trace: [ 1345.855312][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.855415][ T32] r10:8291880c r9:ec9a5d84 r8:00000002 r7:60000113 r6:ec9a5d8c r5:858d4800 [ 1345.855459][ T32] r4:858d4800 [ 1345.855496][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.855588][ T32] r5:858d4800 r4:82918808 [ 1345.855655][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.855763][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.855852][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec9a5e08 [ 1345.855897][ T32] r4:00000000 [ 1345.855934][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.856002][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.856082][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.856175][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8585a7c0 [ 1345.856219][ T32] r4:00000000 [ 1345.856259][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.856344][ T32] r9:83018205 r8:858d4800 r7:00000000 r6:83018200 r5:00001000 r4:7f099000 [ 1345.856389][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.856474][ T32] r5:00001000 r4:ec997000 [ 1345.856546][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.856629][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.856713][ T32] r5:858fbf8c r4:858fbc00 [ 1345.856755][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.856856][ T32] r7:ddde2d80 r6:83018200 r5:858fbf8c r4:8584c880 [ 1345.856910][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.856967][ T32] r10:61c88647 r9:858d4800 r8:8584c8ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.857001][ T32] r4:8584c880 [ 1345.857024][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.857076][ T32] r10:00000000 r9:8584c880 r8:8027f5e8 r7:ec995e60 r6:857dff00 r5:858d4800 [ 1345.857099][ T32] r4:00000001 [ 1345.857130][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.857192][ T32] Exception stack(0xec9a5fb0 to 0xec9a5ff8) [ 1345.857222][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.857252][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.857278][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.857310][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.857354][ T32] r4:8585a440 [ 1345.857719][ T32] INFO: task kworker/1:937:5922 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.857772][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.857876][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.857948][ T32] Call trace: [ 1345.857979][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.858027][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.858078][ T32] r4:00000000 [ 1345.858120][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.858161][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.858230][ T32] dd20: 90d10000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.858298][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.858358][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.858409][ T32] r5:80070013 r4:80239bb0 [ 1345.858435][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.858482][ T32] r4:82ac11a4 [ 1345.858501][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.858568][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.858615][ T32] r4:e884ddc0 [ 1345.858637][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.858683][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.858759][ T32] r4:00000000 [ 1345.858814][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.858872][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.858915][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.858983][ T32] r5:00001000 r4:e884f000 [ 1345.859041][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.859088][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.859129][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.859152][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1345.859311][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1345.859444][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 1 printk messages dropped ** [ 1345.859490][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 4 printk messages dropped ** [ 1345.859635][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 4 printk messages dropped ** [ 1345.879630][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.879682][ T32] task:kworker/1:938 state:D stack:0 pid:5923 tgid:5923 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.880050][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.880143][ T32] Call trace: [ 1345.880181][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.880241][ T32] r10:8291880c r9:ec9a9d84 r8:00000002 r7:60000113 r6:ec9a9d8c r5:858d5400 [ 1345.880265][ T32] r4:858d5400 [ 1345.880303][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.880349][ T32] r5:858d5400 r4:82918808 [ 1345.880370][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.880449][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.880501][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec9a9e08 [ 1345.880525][ T32] r4:00000000 [ 1345.880545][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.880633][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.880699][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.880746][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8585a940 [ 1345.880768][ T32] r4:00000000 [ 1345.880788][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.880834][ T32] r9:83018205 r8:858d5400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a9000 [ 1345.880874][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.880937][ T32] r5:00001000 r4:ec9ab000 [ 1345.880961][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.881024][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.881074][ T32] r5:8590438c r4:85904000 [ 1345.881095][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.881141][ T32] r7:ddde2d80 r6:83018200 r5:8590438c r4:8584c900 [ 1345.881162][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.881205][ T32] r10:61c88647 r9:858d5400 r8:8584c92c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.881227][ T32] r4:8584c900 [ 1345.881246][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.881289][ T32] r10:00000000 r9:8584c900 r8:8027f5e8 r7:ec995e60 r6:857dff80 r5:858d5400 [ 1345.881321][ T32] r4:00000001 [ 1345.881344][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.881382][ T32] Exception stack(0xec9a9fb0 to 0xec9a9ff8) [ 1345.881409][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.881437][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.881482][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.881514][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.881537][ T32] r4:8585a5c0 [ 1345.882030][ T32] INFO: task kworker/1:938:5923 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.882081][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.882145][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.882259][ T32] Call trace: [ 1345.882311][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.882363][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.882386][ T32] r4:00000000 [ 1345.882405][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.882442][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.882480][ T32] dd20: 911ed000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.882512][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.882537][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.882570][ T32] r5:80070013 r4:80239bb0 [ 1345.882593][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.882660][ T32] r4:82ac11a4 [ 1345.882684][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.882731][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.882774][ T32] r4:e884ddc0 [ 1345.882797][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.882840][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.882862][ T32] r4:00000000 [ 1345.882881][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.882930][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.882953][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.882995][ T32] r5:00001000 r4:e884f000 [ 1345.883014][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.883060][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.883102][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.883121][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.883166][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.883186][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.883250][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.883276][ T32] r4:8454db00 [ 1345.883295][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.883338][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.883379][ T32] r4:00000001 [ 1345.883402][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.883444][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.883472][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.883500][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.883526][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.883554][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.883575][ T32] r4:84e5aa80 [ 1345.883595][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.883623][ T32] INFO: task kworker/1:939:5926 blocked for more than 472 seconds. [ 1345.883656][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.883701][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.883727][ T32] task:kworker/1:939 state:D stack:0 pid:5926 tgid:5926 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.883822][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.883875][ T32] Call trace: [ 1345.883921][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.883968][ T32] r10:8291880c r9:ec9c5d84 r8:00000002 r7:60000013 r6:ec9c5d8c r5:858d3c00 [ 1345.883990][ T32] r4:858d3c00 [ 1345.884008][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.884088][ T32] r5:858d3c00 r4:82918808 [ 1345.884111][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.884148][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.884203][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec9c5e08 [ 1345.884228][ T32] r4:00000000 [ 1345.884248][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.884305][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.884368][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.884415][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8585ab40 [ 1345.884438][ T32] r4:00000000 [ 1345.884457][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.884499][ T32] r9:83018205 r8:858d3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0d5000 [ 1345.884520][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.884560][ T32] r5:00001000 r4:ec9c7000 [ 1345.884578][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.884635][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.884680][ T32] r5:85904b8c r4:85904800 [ 1345.884699][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.884743][ T32] r7:ddde2d80 r6:83018200 r5:85904b8c r4:8584c980 [ 1345.884763][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.884807][ T32] r10:61c88647 r9:858d3c00 r8:8584c9ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.884860][ T32] r4:8584c980 [ 1345.884882][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.884934][ T32] r10:00000000 r9:8584c980 r8:8027f5e8 r7:ec995e60 r6:8586c000 r5:858d3c00 [ 1345.884986][ T32] r4:00000001 [ 1345.885026][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.885080][ T32] Exception stack(0xec9c5fb0 to 0xec9c5ff8) [ 1345.885107][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.885144][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.885173][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.885203][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.885225][ T32] r4:8585a740 [ 1345.885581][ T32] INFO: task kworker/1:939:5926 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.885615][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.885670][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.885724][ T32] Call trace: [ 1345.885759][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.885807][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.885830][ T32] r4:00000000 [ 1345.885868][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.885909][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.885937][ T32] dd20: 911ed000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.885965][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.885995][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.886020][ T32] r5:80070013 r4:80239bb0 [ 1345.886048][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.886093][ T32] r4:82ac11a4 [ 1345.886112][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.886168][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.886220][ T32] r4:e884ddc0 [ 1345.886241][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.886284][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.886354][ T32] r4:00000000 [ 1345.886379][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.886423][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.886444][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.886485][ T32] r5:00001000 r4:e884f000 [ 1345.886504][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.886540][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.886586][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.886607][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.886651][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.886675][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.886720][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.886761][ T32] r4:8454db00 [ 1345.886806][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.886854][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.886876][ T32] r4:00000001 [ 1345.886896][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.886930][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.886966][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.886997][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.887024][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.887093][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.887119][ T32] r4:84e5aa80 [ 1345.887139][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.887164][ T32] INFO: task kworker/1:940:5928 blocked for more than 472 seconds. [ 1345.887191][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.887236][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.887292][ T32] task:kworker/1:940 state:D stack:0 pid:5928 tgid:5928 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.887361][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.887416][ T32] Call trace: [ 1345.887449][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.887497][ T32] r10:8291880c r9:ec979d84 r8:00000002 r7:60000013 r6:ec979d8c r5:85820c00 [ 1345.887519][ T32] r4:85820c00 [ 1345.887538][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.887575][ T32] r5:85820c00 r4:82918808 [ 1345.887594][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.887629][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.887690][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec979e08 [ 1345.887719][ T32] r4:00000000 [ 1345.887740][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.887774][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.887810][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.887851][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85868400 [ 1345.887872][ T32] r4:00000000 [ 1345.887891][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.887997][ T32] r9:83018205 r8:85820c00 r7:00000000 r6:83018200 r5:00001000 r4:7f027000 [ 1345.888028][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.888075][ T32] r5:00001000 r4:dfaaf000 [ 1345.888096][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.888134][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.888183][ T32] r5:85905f8c r4:85905c00 [ 1345.888224][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.888270][ T32] r7:ddde2d80 r6:83018200 r5:85905f8c r4:8584ca00 [ 1345.888291][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.888363][ T32] r10:61c88647 r9:85820c00 r8:8584ca2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.888411][ T32] r4:8584ca00 [ 1345.888468][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.888520][ T32] r10:00000000 r9:8584ca00 r8:8027f5e8 r7:ec9c5e60 r6:8584ca80 r5:85820c00 [ 1345.888542][ T32] r4:00000001 [ 1345.888561][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.888618][ T32] Exception stack(0xec979fb0 to 0xec979ff8) [ 1345.888647][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.888676][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.888716][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.888771][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.888802][ T32] r4:8585a740 [ 1345.889147][ T32] INFO: task kworker/1:940:5928 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.889194][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.889252][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.889296][ T32] Call trace: [ 1345.889326][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.889374][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.889396][ T32] r4:00000000 [ 1345.889418][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.889455][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.889482][ T32] dd20: 911ed000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.889510][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.889534][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.889556][ T32] r5:80070013 r4:80239bb0 [ 1345.889575][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.889629][ T32] r4:82ac11a4 [ 1345.889702][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.920343][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.920432][ T32] r4:e884ddc0 [ 1345.920458][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.920533][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.920556][ T32] r4:00000000 [ 1345.920576][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.920622][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.920664][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.920715][ T32] r5:00001000 r4:e884f000 [ 1345.920736][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.920814][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.920869][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.920891][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.920958][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.921005][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.921081][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.921107][ T32] r4:8454db00 [ 1345.921135][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.921185][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.921227][ T32] r4:00000001 [ 1345.921250][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.921297][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.921330][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.921399][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1345.921481][ T32] r4:84e5aa80 [ 1345.921505][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.921534][ T32] INFO: task kworker/1:941:5929 blocked for more than 472 seconds. [ 1345.921610][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.921666][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.921695][ T32] task:kworker/1:941 state:D stack:0 pid:5929 tgid:5929 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.921769][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.921816][ T32] Call trace: [ 1345.921847][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.921898][ T32] r10:8291880c r9:ec981d84 r8:00000002 r7:60000113 r6:ec981d8c r5:85821800 [ 1345.921922][ T32] r4:85821800 [ 1345.921940][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.921978][ T32] r5:85821800 r4:82918808 [ 1345.921997][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.922032][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.922082][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec981e08 [ 1345.922104][ T32] r4:00000000 [ 1345.922122][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.922169][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.922238][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.922283][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8585ac80 [ 1345.922307][ T32] r4:00000000 [ 1345.922350][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.922398][ T32] r9:83018205 r8:85821800 r7:00000000 r6:83018200 r5:00001000 r4:7f0d7000 [ 1345.922420][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.922459][ T32] r5:00001000 r4:ec9d3000 [ 1345.922508][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.922552][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.922593][ T32] r5:85904f8c r4:85904c00 [ 1345.922613][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.922656][ T32] r7:ddde2d80 r6:83018200 r5:85904f8c r4:8584cb00 [ 1345.922707][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.922754][ T32] r10:61c88647 r9:85821800 r8:8584cb2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.922797][ T32] r4:8584cb00 [ 1345.922853][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.922901][ T32] r10:00000000 r9:8584cb00 r8:8027f5e8 r7:ec979e60 r6:8584cb80 r5:85821800 [ 1345.922923][ T32] r4:00000001 [ 1345.922941][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.922989][ T32] Exception stack(0xec981fb0 to 0xec981ff8) [ 1345.923018][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.923063][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.923093][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.923121][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.923142][ T32] r4:8585a740 [ 1345.923658][ T32] INFO: task kworker/1:941:5929 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.923714][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.923778][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.923847][ T32] Call trace: [ 1345.923903][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.923954][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.923978][ T32] r4:00000000 [ 1345.923997][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.924040][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.924070][ T32] dd20: 91b74000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.924118][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.924147][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.924172][ T32] r5:80070013 r4:80239bb0 [ 1345.924241][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.924290][ T32] r4:82ac11a4 [ 1345.924328][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.924380][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.924402][ T32] r4:e884ddc0 [ 1345.924421][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.924463][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.924505][ T32] r4:00000000 [ 1345.924528][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.924605][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.924631][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.924692][ T32] r5:00001000 r4:e884f000 [ 1345.924719][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.924762][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1345.924926][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 2 printk messages dropped ** [ 1345.925015][ T32] r4:8454db00 ** 1 printk messages dropped ** [ 1345.925083][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 4 printk messages dropped ** [ 1345.925280][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1345.925428][ T32] INFO: task kworker/1:942:5932 blocked for more than 472 seconds. ** 2 printk messages dropped ** [ 1345.925499][ T32] task:kworker/1:942 state:D stack:0 pid:5932 tgid:5932 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1345.925793][ T32] r4:85823000 ** 3 printk messages dropped ** [ 1345.925934][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 2 printk messages dropped ** [ 1345.926046][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 3 printk messages dropped ** [ 1345.926228][ T32] r4:00000000 [ 1345.926249][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.926305][ T32] r9:83018205 r8:85823000 r7:00000000 r6:83018200 r5:00001000 r4:7f0d9000 [ 1345.926330][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.926381][ T32] r5:00001000 r4:ec9df000 [ 1345.926403][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.926442][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.926484][ T32] r5:8590538c r4:85905000 [ 1345.926512][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.926559][ T32] r7:ddde2d80 r6:83018200 r5:8590538c r4:8584cc00 [ 1345.926580][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.926623][ T32] r10:61c88647 r9:85823000 r8:8584cc2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.926644][ T32] r4:8584cc00 [ 1345.926711][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.926763][ T32] r10:00000000 r9:8584cc00 r8:8027f5e8 r7:ec979e60 r6:8584cc80 r5:85823000 [ 1345.926785][ T32] r4:00000001 [ 1345.926832][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.926892][ T32] Exception stack(0xec9ddfb0 to 0xec9ddff8) [ 1345.926936][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.926973][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.927021][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.927083][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.927114][ T32] r4:8585acc0 [ 1345.927426][ T32] INFO: task kworker/1:942:5932 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.927478][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.927537][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.927580][ T32] Call trace: [ 1345.927622][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.927673][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.927696][ T32] r4:00000000 [ 1345.927737][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.927778][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.927806][ T32] dd20: 91b74000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.927834][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.927881][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.927908][ T32] r5:80070013 r4:80239bb0 [ 1345.927948][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.928021][ T32] r4:82ac11a4 [ 1345.928048][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.928094][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.928116][ T32] r4:e884ddc0 [ 1345.928135][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.928178][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.928200][ T32] r4:00000000 [ 1345.928219][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.928261][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.928295][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.928406][ T32] r5:00001000 r4:e884f000 [ 1345.928440][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.928482][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.928544][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.928569][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.928635][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.928673][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.928738][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.928765][ T32] r4:8454db00 [ 1345.928810][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.928874][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.928897][ T32] r4:00000001 [ 1345.928915][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.928953][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.928978][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.929045][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.929092][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.929128][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.929150][ T32] r4:84e5aa80 [ 1345.929181][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.929229][ T32] INFO: task kworker/1:943:5933 blocked for more than 472 seconds. [ 1345.929259][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.929282][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.929309][ T32] task:kworker/1:943 state:D stack:0 pid:5933 tgid:5933 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.929369][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.929408][ T32] Call trace: [ 1345.929463][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.929523][ T32] r10:8291880c r9:ec9e9d84 r8:00000002 r7:60000113 r6:ec9e9d8c r5:858d6c00 [ 1345.929549][ T32] r4:858d6c00 [ 1345.929589][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.929633][ T32] r5:858d6c00 r4:82918808 [ 1345.929673][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.929712][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.952123][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec9e9e08 [ 1345.952182][ T32] r4:00000000 [ 1345.952210][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.952293][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.952342][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.952409][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85856b00 [ 1345.952435][ T32] r4:00000000 [ 1345.952455][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.952502][ T32] r9:83018205 r8:858d6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f0dd000 [ 1345.952524][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.952568][ T32] r5:00001000 r4:ec9f7000 [ 1345.952589][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.952627][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.952669][ T32] r5:8587338c r4:85873000 [ 1345.952724][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.952775][ T32] r7:ddde2d80 r6:83018200 r5:8587338c r4:8584cd00 [ 1345.952800][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.952845][ T32] r10:61c88647 r9:858d6c00 r8:8584cd2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.952867][ T32] r4:8584cd00 [ 1345.952885][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.952928][ T32] r10:00000000 r9:8584cd00 r8:8027f5e8 r7:ec979e60 r6:8586c080 r5:858d6c00 [ 1345.952951][ T32] r4:00000001 [ 1345.952969][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.953017][ T32] Exception stack(0xec9e9fb0 to 0xec9e9ff8) [ 1345.953055][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.953105][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.953135][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.953184][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.953210][ T32] r4:8585acc0 [ 1345.953705][ T32] INFO: task kworker/1:943:5933 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.953741][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.953835][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.953884][ T32] Call trace: [ 1345.953939][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.954014][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.954048][ T32] r4:00000000 [ 1345.954090][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.954153][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.954185][ T32] dd20: 91e9f000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.954488][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.954523][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.954547][ T32] r5:80070013 r4:80239bb0 [ 1345.954569][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.954638][ T32] r4:82ac11a4 [ 1345.954663][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.954712][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.954734][ T32] r4:e884ddc0 [ 1345.954773][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.954840][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.954865][ T32] r4:00000000 [ 1345.954906][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.954953][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.954996][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.955051][ T32] r5:00001000 r4:e884f000 [ 1345.955071][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.955111][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.955152][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.955171][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.955215][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.955235][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.955279][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.955301][ T32] r4:8454db00 [ 1345.955320][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.955362][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.955383][ T32] r4:00000001 [ 1345.955401][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.955456][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.955487][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.955515][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.955575][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.955629][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.955654][ T32] r4:84e5aa80 [ 1345.955675][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.955715][ T32] INFO: task kworker/1:944:5936 blocked for more than 472 seconds. [ 1345.955770][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.955799][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.955822][ T32] task:kworker/1:944 state:D stack:0 pid:5936 tgid:5936 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.955915][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.955961][ T32] Call trace: [ 1345.956023][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.956078][ T32] r10:8291880c r9:ec9d1d84 r8:00000002 r7:60000013 r6:ec9d1d8c r5:858d6000 [ 1345.956100][ T32] r4:858d6000 [ 1345.956120][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.956158][ T32] r5:858d6000 r4:82918808 [ 1345.956177][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.956211][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.956274][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec9d1e08 [ 1345.956300][ T32] r4:00000000 [ 1345.956319][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.956355][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.956394][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.956468][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85868640 [ 1345.956494][ T32] r4:00000000 [ 1345.956534][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.956581][ T32] r9:83018205 r8:858d6000 r7:00000000 r6:83018200 r5:00001000 r4:7f037000 [ 1345.956602][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.956641][ T32] r5:00001000 r4:eac05000 [ 1345.956684][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.956746][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.956790][ T32] r5:8590678c r4:85906400 [ 1345.956830][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.956879][ T32] r7:ddde2d80 r6:83018200 r5:8590678c r4:8584cd80 [ 1345.956920][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.956997][ T32] r10:61c88647 r9:858d6000 r8:8584cdac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.957045][ T32] r4:8584cd80 [ 1345.957074][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.957118][ T32] r10:00000000 r9:8584cd80 r8:8027f5e8 r7:ec979e60 r6:8586c100 r5:858d6000 [ 1345.957150][ T32] r4:00000001 [ 1345.957180][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.957219][ T32] Exception stack(0xec9d1fb0 to 0xec9d1ff8) [ 1345.957265][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1345.957298][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.957345][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.957377][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.957421][ T32] r4:857bb7c0 [ 1345.957741][ T32] INFO: task kworker/1:944:5936 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.957773][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.957827][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.957870][ T32] Call trace: [ 1345.957925][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.957983][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.958009][ T32] r4:00000000 [ 1345.958029][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.958093][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.958125][ T32] dd20: 91e9f000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.958155][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.958180][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.958239][ T32] r5:80070013 r4:80239bb0 [ 1345.958265][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.958318][ T32] r4:82ac11a4 [ 1345.958364][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.958448][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.958494][ T32] r4:e884ddc0 [ 1345.958523][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.958569][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.958611][ T32] r4:00000000 [ 1345.958649][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.958697][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.958720][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.958782][ T32] r5:00001000 r4:e884f000 [ 1345.958831][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.958894][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.958937][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.958957][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.959025][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.959056][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.959104][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.959127][ T32] r4:8454db00 [ 1345.959178][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.959232][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.959287][ T32] r4:00000001 [ 1345.959309][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.959346][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.959371][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.959412][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.959442][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.959471][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.959493][ T32] r4:84e5aa80 [ 1345.959512][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.959537][ T32] INFO: task kworker/0:454:5938 blocked for more than 472 seconds. [ 1345.959565][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.959601][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.959626][ T32] task:kworker/0:454 state:D stack:0 pid:5938 tgid:5938 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.959776][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.980222][ T32] Call trace: [ 1345.980295][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.980370][ T32] r10:8291880c r9:ec9f5d84 r8:00000002 r7:60000013 r6:ec9f5d8c r5:858d2400 [ 1345.980395][ T32] r4:858d2400 [ 1345.980416][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.980457][ T32] r5:858d2400 r4:82918808 [ 1345.980482][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.980521][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.980563][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec9f5e08 [ 1345.980585][ T32] r4:00000000 [ 1345.980603][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.980636][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.980677][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.980719][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85856580 [ 1345.980740][ T32] r4:00000000 [ 1345.980774][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.980825][ T32] r9:83018005 r8:858d2400 r7:00000000 r6:83018000 r5:00001000 r4:7f0e1000 [ 1345.980847][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.980891][ T32] r5:00001000 r4:eca0b000 [ 1345.980912][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.980950][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.981001][ T32] r5:8587378c r4:85873400 [ 1345.981051][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.981129][ T32] r7:dddced80 r6:83018000 r5:8587378c r4:8586c180 [ 1345.981154][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.981246][ T32] r10:61c88647 r9:858d2400 r8:8586c1ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1345.981274][ T32] r4:8586c180 [ 1345.981295][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.981341][ T32] r10:00000000 r9:8586c180 r8:8027f5e8 r7:ec7a1e60 r6:8586c200 r5:858d2400 [ 1345.981363][ T32] r4:00000001 [ 1345.981402][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.981449][ T32] Exception stack(0xec9f5fb0 to 0xec9f5ff8) [ 1345.981500][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.981542][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.981571][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.981609][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.981657][ T32] r4:85856d00 [ 1345.982158][ T32] INFO: task kworker/0:454:5938 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.982236][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.982376][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.982463][ T32] Call trace: [ 1345.982498][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.982557][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.982584][ T32] r4:00000000 [ 1345.982626][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.982667][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.982695][ T32] dd20: 92408000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.982723][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.982767][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.982794][ T32] r5:80070013 r4:80239bb0 [ 1345.982815][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.982858][ T32] r4:82ac11a4 [ 1345.982878][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.982924][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.982947][ T32] r4:e884ddc0 [ 1345.982974][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.983020][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.983048][ T32] r4:00000000 [ 1345.983087][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.983151][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.983178][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.983223][ T32] r5:00001000 r4:e884f000 [ 1345.983243][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.983282][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.983354][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.983384][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.983431][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.983457][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.983502][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.983524][ T32] r4:8454db00 [ 1345.983570][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.983632][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.983657][ T32] r4:00000001 [ 1345.983697][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.983737][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.983786][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.983818][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.983844][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.983874][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.983896][ T32] r4:84e5aa80 [ 1345.983916][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.983952][ T32] INFO: task kworker/0:455:5940 blocked for more than 472 seconds. [ 1345.983989][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.984013][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.984042][ T32] task:kworker/0:455 state:D stack:0 pid:5940 tgid:5940 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.984088][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.984144][ T32] Call trace: [ 1345.984176][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.984222][ T32] r10:8291880c r9:eca09d84 r8:00000002 r7:60000113 r6:eca09d8c r5:858d1800 [ 1345.984246][ T32] r4:858d1800 [ 1345.984265][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.984326][ T32] r5:858d1800 r4:82918808 [ 1345.984354][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1345.984391][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1345.984432][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca09e08 [ 1345.984492][ T32] r4:00000000 [ 1345.984515][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1345.984550][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1345.984586][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.984628][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85941e40 [ 1345.984649][ T32] r4:00000000 [ 1345.984669][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.984711][ T32] r9:83018005 r8:858d1800 r7:00000000 r6:83018000 r5:00001000 r4:7f02d000 [ 1345.984731][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.984781][ T32] r5:00001000 r4:eb0e1000 [ 1345.984813][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.984874][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.984918][ T32] r5:84c39f8c r4:84c39c00 [ 1345.984937][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.984980][ T32] r7:dddced80 r6:83018000 r5:84c39f8c r4:8586c280 [ 1345.985000][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.985050][ T32] r10:61c88647 r9:858d1800 r8:8586c2ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1345.985073][ T32] r4:8586c280 [ 1345.985092][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.985166][ T32] r10:00000000 r9:8586c280 r8:8027f5e8 r7:ec9f5e60 r6:8586c300 r5:858d1800 [ 1345.985192][ T32] r4:00000001 [ 1345.985232][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.985273][ T32] Exception stack(0xeca09fb0 to 0xeca09ff8) [ 1345.985299][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1345.985328][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.985374][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.985405][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.985427][ T32] r4:858565c0 [ 1345.985735][ T32] INFO: task kworker/0:455:5940 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1345.985767][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.985819][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.985862][ T32] Call trace: [ 1345.985917][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1345.985985][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1345.986012][ T32] r4:00000000 [ 1345.986032][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1345.986074][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1345.986102][ T32] dd20: 92408000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1345.986149][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1345.986306][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1345.986347][ T32] r5:80070013 r4:80239bb0 [ 1345.986371][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1345.986418][ T32] r4:82ac11a4 [ 1345.986479][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1345.986543][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1345.986569][ T32] r4:e884ddc0 [ 1345.986597][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1345.986662][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1345.986710][ T32] r4:00000000 [ 1345.986739][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1345.986798][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1345.986851][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1345.986897][ T32] r5:00001000 r4:e884f000 [ 1345.986937][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1345.986985][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1345.987027][ T32] r5:84fe9f8c r4:84fe9c00 [ 1345.987052][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1345.987119][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1345.987145][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1345.987204][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.987229][ T32] r4:8454db00 [ 1345.987248][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.987295][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1345.987318][ T32] r4:00000001 [ 1345.987358][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.987418][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1345.987448][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1345.987476][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.987503][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.987551][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.987654][ T32] r4:84e5aa80 [ 1345.987677][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1345.987703][ T32] INFO: task kworker/1:945:5944 blocked for more than 472 seconds. [ 1345.987729][ T32] Not tainted 6.15.0-syzkaller #0 [ 1345.987753][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1345.987774][ T32] task:kworker/1:945 state:D stack:0 pid:5944 tgid:5944 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1345.987830][ T32] Workqueue: events bpf_prog_free_deferred [ 1345.987879][ T32] Call trace: [ 1345.987928][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1345.988003][ T32] r10:8291880c r9:eca15d84 r8:00000002 r7:60000113 r6:eca15d8c r5:858c4800 [ 1345.988050][ T32] r4:858c4800 [ 1345.988094][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1345.988137][ T32] r5:858c4800 r4:82918808 ** 3 printk messages dropped ** [ 1345.988339][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1345.988551][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85868500 ** 4 printk messages dropped ** [ 1345.988782][ T32] r5:00001000 r4:dfdc1000 [ 1345.988807][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1345.989002][ T32] r7:ddde2d80 r6:83018200 r5:8590638c r4:8584ce00 ** 1 printk messages dropped ** [ 1345.989082][ T32] r10:61c88647 r9:858c4800 r8:8584ce2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1345.989123][ T32] r4:8584ce00 [ 1345.989172][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1345.989219][ T32] r10:00000000 r9:8584ce00 r8:8027f5e8 r7:ec9d1e60 r6:8586c380 r5:858c4800 [ 1345.989241][ T32] r4:00000001 [ 1345.989260][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1345.989312][ T32] Exception stack(0xeca15fb0 to 0xeca15ff8) [ 1345.989342][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1345.989391][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1345.989426][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1345.989455][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1345.989500][ T32] r4:85868300 [ 1346.010499][ T32] INFO: task kworker/1:945:5944 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.010600][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.010678][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.010740][ T32] Call trace: [ 1346.010774][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.010831][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.010874][ T32] r4:00000000 [ 1346.010919][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.010964][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.010993][ T32] dd20: 9284f000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.011022][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.011056][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.011081][ T32] r5:80070013 r4:80239bb0 [ 1346.011122][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.011174][ T32] r4:82ac11a4 [ 1346.011215][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.011266][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.011289][ T32] r4:e884ddc0 [ 1346.011308][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.011351][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.011402][ T32] r4:00000000 [ 1346.011439][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.011487][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.011509][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.011550][ T32] r5:00001000 r4:e884f000 [ 1346.011610][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.011673][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.011719][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.011740][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.011807][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.011832][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.011878][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.011932][ T32] r4:8454db00 [ 1346.011955][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.012019][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.012049][ T32] r4:00000001 [ 1346.012069][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.012126][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.012155][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.012183][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.012209][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1346.012332][ T32] INFO: task kworker/1:946:5946 blocked for more than 472 seconds. ** 4 printk messages dropped ** [ 1346.012522][ T32] Call trace: ** 6 printk messages dropped ** [ 1346.012760][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1346.012971][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1346.013148][ T32] r5:00001000 r4:eaea1000 [ 1346.013171][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.013209][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1346.013309][ T32] r7:ddde2d80 r6:83018200 r5:85906b8c r4:8584ce80 ** 5 printk messages dropped ** [ 1346.013521][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1346.013719][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1346.014520][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 5 printk messages dropped ** [ 1346.014770][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.014797][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.014821][ T32] r5:80070013 r4:80239bb0 [ 1346.014841][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.014884][ T32] r4:82ac11a4 [ 1346.014924][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.014974][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.014996][ T32] r4:e884ddc0 [ 1346.015014][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.015085][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.015124][ T32] r4:00000000 [ 1346.015147][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.015216][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.015243][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.015308][ T32] r5:00001000 r4:e884f000 [ 1346.015372][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.015416][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.015479][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.015523][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.015573][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.015635][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.015687][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.015719][ T32] r4:8454db00 [ 1346.015738][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.015781][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.015803][ T32] r4:00000001 [ 1346.015843][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.015883][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.015919][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.015952][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.015978][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.016006][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.016028][ T32] r4:84e5aa80 [ 1346.016054][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.016101][ T32] INFO: task kworker/1:947:5948 blocked for more than 472 seconds. [ 1346.016133][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.016169][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.016234][ T32] task:kworker/1:947 state:D stack:0 pid:5948 tgid:5948 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.016305][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.016345][ T32] Call trace: [ 1346.016396][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.016451][ T32] r10:8291880c r9:ec6a1d84 r8:00000002 r7:60000113 r6:ec6a1d8c r5:84cc2400 [ 1346.016476][ T32] r4:84cc2400 [ 1346.016495][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.016533][ T32] r5:84cc2400 r4:82918808 [ 1346.016573][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.016613][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.016689][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec6a1e08 [ 1346.016715][ T32] r4:00000000 [ 1346.016734][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.016769][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.016805][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.016848][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85868880 [ 1346.016870][ T32] r4:00000000 [ 1346.016932][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.017000][ T32] r9:83018205 r8:84cc2400 r7:00000000 r6:83018200 r5:00001000 r4:7f03b000 [ 1346.017024][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.017072][ T32] r5:00001000 r4:eb1d9000 [ 1346.017103][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.017164][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.017229][ T32] r5:85906f8c r4:85906c00 [ 1346.017251][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.017295][ T32] r7:ddde2d80 r6:83018200 r5:85906f8c r4:8584cf00 [ 1346.017315][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.017360][ T32] r10:61c88647 r9:84cc2400 r8:8584cf2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.017382][ T32] r4:8584cf00 [ 1346.017421][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.017467][ T32] r10:00000000 r9:8584cf00 r8:8027f5e8 r7:ec685e60 r6:8586c480 r5:84cc2400 [ 1346.017491][ T32] r4:00000001 [ 1346.017521][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.017569][ T32] Exception stack(0xec6a1fb0 to 0xec6a1ff8) [ 1346.017597][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1346.017626][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.017680][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.017712][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.017736][ T32] r4:85868680 [ 1346.018073][ T32] INFO: task kworker/1:947:5948 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.018131][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.018228][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.018274][ T32] Call trace: [ 1346.018303][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.018397][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.018452][ T32] r4:00000000 [ 1346.018496][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.018539][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.018569][ T32] dd20: 9284f000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.018598][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.018645][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.018672][ T32] r5:80070013 r4:80239bb0 [ 1346.018694][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.018763][ T32] r4:82ac11a4 [ 1346.018827][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 1 printk messages dropped ** [ 1346.018928][ T32] r4:e884ddc0 ** 5 printk messages dropped ** [ 1346.019174][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1346.019531][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 4 printk messages dropped ** [ 1346.019757][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1346.053705][ T32] INFO: task kworker/0:456:5949 blocked for more than 472 seconds. ** 4 printk messages dropped ** [ 1346.053997][ T32] Call trace: ** 5 printk messages dropped ** [ 1346.054297][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1346.054538][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85943440 ** 4 printk messages dropped ** [ 1346.054713][ T32] r5:00001000 r4:ec747000 [ 1346.054752][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1346.054974][ T32] r7:dddced80 r6:83018000 r5:8590cf8c r4:8586c500 ** 5 printk messages dropped ** [ 1346.055178][ T32] r4:00000001 ** 1 printk messages dropped ** [ 1346.055232][ T32] Exception stack(0xec6a9fb0 to 0xec6a9ff8) [ 1346.055258][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.055306][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.055337][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.055366][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.055397][ T32] r4:84d4bf80 [ 1346.055911][ T32] INFO: task kworker/0:456:5949 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.055947][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.056028][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.056098][ T32] Call trace: [ 1346.056132][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.056189][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.056230][ T32] r4:00000000 [ 1346.056252][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.056290][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.056317][ T32] dd20: 93204000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.056346][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.056370][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.056393][ T32] r5:80070013 r4:80239bb0 [ 1346.056432][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.056520][ T32] r4:82ac11a4 [ 1346.056543][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.056590][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.056612][ T32] r4:e884ddc0 [ 1346.056641][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.056707][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.056732][ T32] r4:00000000 [ 1346.056752][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.056822][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.056866][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.056931][ T32] r5:00001000 r4:e884f000 [ 1346.056969][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.057011][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.057060][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.057081][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.057125][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.057166][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.057234][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.057263][ T32] r4:8454db00 [ 1346.057304][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.057351][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.057373][ T32] r4:00000001 [ 1346.057391][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.057426][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.057451][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.057478][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.057527][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.057562][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.057606][ T32] r4:84e5aa80 [ 1346.057628][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.057655][ T32] INFO: task kworker/1:948:5951 blocked for more than 472 seconds. [ 1346.057702][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.057748][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.057805][ T32] task:kworker/1:948 state:D stack:0 pid:5951 tgid:5951 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.057857][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.057898][ T32] Call trace: [ 1346.057951][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.058014][ T32] r10:8291880c r9:ec76dd84 r8:00000002 r7:60000013 r6:ec76dd8c r5:84cc3c00 [ 1346.058056][ T32] r4:84cc3c00 [ 1346.058079][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.058120][ T32] r5:84cc3c00 r4:82918808 [ 1346.058139][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.058174][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.058237][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec76de08 [ 1346.058260][ T32] r4:00000000 [ 1346.058278][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.058312][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.058369][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.058417][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85868900 [ 1346.058439][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1346.058536][ T32] r9:83018205 r8:84cc3c00 r7:00000000 r6:83018200 r5:00001000 r4:7f03d000 ** 1 printk messages dropped ** [ 1346.058598][ T32] r5:00001000 r4:eb2cd000 [ 1346.058639][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.058702][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.058746][ T32] r5:8590738c r4:85907000 [ 1346.058765][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.058831][ T32] r7:ddde2d80 r6:83018200 r5:8590738c r4:8584cf80 [ 1346.058855][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.058908][ T32] r10:61c88647 r9:84cc3c00 r8:8584cfac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.058933][ T32] r4:8584cf80 [ 1346.058954][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.058998][ T32] r10:00000000 r9:8584cf80 r8:8027f5e8 r7:ec6a1e60 r6:8586c600 r5:84cc3c00 [ 1346.059052][ T32] r4:00000001 [ 1346.059081][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.059117][ T32] Exception stack(0xec76dfb0 to 0xec76dff8) [ 1346.059143][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.059180][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.059218][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.059269][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.059323][ T32] r4:858688c0 [ 1346.059670][ T32] INFO: task kworker/1:948:5951 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.059767][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.069513][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.069606][ T32] Call trace: [ 1346.069665][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.070157][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.070251][ T32] r4:00000000 [ 1346.070275][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.070328][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.070360][ T32] dd20: 93204000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.070388][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.070413][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.070436][ T32] r5:80070013 r4:80239bb0 [ 1346.070458][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.070505][ T32] r4:82ac11a4 [ 1346.070541][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 1 printk messages dropped ** [ 1346.070628][ T32] r4:e884ddc0 ** 4 printk messages dropped ** [ 1346.070783][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 6 printk messages dropped ** [ 1346.071064][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 4 printk messages dropped ** [ 1346.071276][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 9 printk messages dropped ** [ 1346.071584][ T32] INFO: task kworker/1:949:5952 blocked for more than 472 seconds. ** 4 printk messages dropped ** [ 1346.071850][ T32] Call trace: ** 5 printk messages dropped ** [ 1346.072063][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 9 printk messages dropped ** [ 1346.072460][ T32] r9:83018205 r8:84cc4800 r7:00000000 r6:83018200 r5:00001000 r4:7f043000 ** 1 printk messages dropped ** [ 1346.072521][ T32] r5:00001000 r4:eb759000 [ 1346.072540][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.072577][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1346.072708][ T32] r7:ddde2d80 r6:83018200 r5:85907f8c r4:85864000 ** 1 printk messages dropped ** [ 1346.072772][ T32] r10:61c88647 r9:84cc4800 r8:8586402c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1346.072901][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1346.073048][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.073080][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.073108][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.073176][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.073201][ T32] r4:858688c0 [ 1346.073740][ T32] INFO: task kworker/1:949:5952 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.073784][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.073890][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.073960][ T32] Call trace: [ 1346.073991][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.074050][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.074075][ T32] r4:00000000 [ 1346.074094][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.074130][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.074157][ T32] dd20: 93204000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.074304][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.074341][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.074365][ T32] r5:80070013 r4:80239bb0 [ 1346.074385][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.074443][ T32] r4:82ac11a4 [ 1346.074464][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.074509][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.074543][ T32] r4:e884ddc0 [ 1346.074573][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.074619][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.074642][ T32] r4:00000000 [ 1346.074671][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.074730][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.074764][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.074818][ T32] r5:00001000 r4:e884f000 [ 1346.074841][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.074881][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.074948][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.074972][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.075018][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.075047][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.075102][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.075137][ T32] r4:8454db00 [ 1346.075158][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.075203][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.075224][ T32] r4:00000001 [ 1346.075253][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.075291][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.075317][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.075345][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.075371][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.075418][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.075444][ T32] r4:84e5aa80 [ 1346.075492][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.075545][ T32] INFO: task kworker/1:950:5954 blocked for more than 472 seconds. [ 1346.075576][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.075599][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.075646][ T32] task:kworker/1:950 state:D stack:0 pid:5954 tgid:5954 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.075734][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.075777][ T32] Call trace: [ 1346.075829][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.075898][ T32] r10:8291880c r9:ec7cdd84 r8:00000002 r7:60000113 r6:ec7cdd8c r5:84cc0000 [ 1346.075924][ T32] r4:84cc0000 [ 1346.075943][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.075982][ T32] r5:84cc0000 r4:82918808 [ 1346.076001][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.076043][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.076105][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec7cde08 [ 1346.076131][ T32] r4:00000000 [ 1346.076150][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.076195][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.076254][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.076301][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858688c0 [ 1346.076331][ T32] r4:00000000 [ 1346.076354][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.076426][ T32] r9:83018205 r8:84cc0000 r7:00000000 r6:83018200 r5:00001000 r4:7f03f000 [ 1346.076482][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.076548][ T32] r5:00001000 r4:eb405000 [ 1346.076570][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.076626][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1346.076732][ T32] r7:ddde2d80 r6:83018200 r5:8590778c r4:85864080 ** 4 printk messages dropped ** [ 1346.076877][ T32] r10:00000000 r9:85864080 r8:8027f5e8 r7:ec7a5e60 r6:8586c700 r5:84cc0000 ** 7 printk messages dropped ** [ 1346.077150][ T32] r4:858688c0 ** 5 printk messages dropped ** [ 1346.077783][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1346.078127][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1346.078349][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1346.078692][ T32] r5:84fe9f8c r4:84fe9c00 ** 4 printk messages dropped ** [ 1346.078854][ T32] r4:8454db00 ** 5 printk messages dropped ** [ 1346.079111][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1346.079336][ T32] task:kworker/1:951 state:D stack:0 pid:5956 tgid:5956 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1346.079758][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1346.101538][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85868d00 ** 4 printk messages dropped ** [ 1346.101748][ T32] r5:00001000 r4:eb6ed000 [ 1346.101768][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.101806][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1346.101939][ T32] r7:ddde2d80 r6:83018200 r5:85907b8c r4:85864100 [ 1346.101978][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.102052][ T32] r10:61c88647 r9:84cc5400 r8:8586412c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.102079][ T32] r4:85864100 [ 1346.102127][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.102176][ T32] r10:00000000 r9:85864100 r8:8027f5e8 r7:ec7a5e60 r6:8586c780 r5:84cc5400 [ 1346.102231][ T32] r4:00000001 [ 1346.102255][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.102294][ T32] Exception stack(0xec7d9fb0 to 0xec7d9ff8) [ 1346.102325][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.102457][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.102487][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.102516][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.102538][ T32] r4:85868a00 [ 1346.103027][ T32] INFO: task kworker/1:951:5956 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.103068][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.103198][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.103251][ T32] Call trace: [ 1346.103297][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.103350][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.103378][ T32] r4:00000000 [ 1346.103400][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.103468][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.103527][ T32] dd20: 9372d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.103559][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.103585][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.103653][ T32] r5:80070013 r4:80239bb0 [ 1346.103677][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.103806][ T32] r4:82ac11a4 [ 1346.103829][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.103876][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.103898][ T32] r4:e884ddc0 [ 1346.103916][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.103985][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.104041][ T32] r4:00000000 [ 1346.104093][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.104141][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.104164][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.104228][ T32] r5:00001000 r4:e884f000 [ 1346.104256][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.104296][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.104337][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.104357][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.104426][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.104471][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.104534][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.104560][ T32] r4:8454db00 [ 1346.104579][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.104644][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.104684][ T32] r4:00000001 [ 1346.104706][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.104742][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.104769][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.104796][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.104842][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.104879][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.104902][ T32] r4:84e5aa80 [ 1346.104922][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.104982][ T32] INFO: task kworker/1:952:5959 blocked for more than 472 seconds. [ 1346.105023][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.105058][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.105080][ T32] task:kworker/1:952 state:D stack:0 pid:5959 tgid:5959 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.105144][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.105190][ T32] Call trace: [ 1346.105251][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.105300][ T32] r10:8291880c r9:ec841d84 r8:00000002 r7:60000113 r6:ec841d8c r5:84cc6c00 [ 1346.105342][ T32] r4:84cc6c00 [ 1346.105366][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.105407][ T32] r5:84cc6c00 r4:82918808 [ 1346.105426][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.105462][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.105502][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec841e08 [ 1346.105524][ T32] r4:00000000 [ 1346.105555][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.105613][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.105697][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.105743][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85868100 [ 1346.105765][ T32] r4:00000000 [ 1346.105802][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.105851][ T32] r9:83018205 r8:84cc6c00 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1346.105907][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.105953][ T32] r5:00001000 r4:eb7bb000 [ 1346.105973][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.106010][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.106090][ T32] r5:8590878c r4:85908400 [ 1346.106112][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.106157][ T32] r7:ddde2d80 r6:83018200 r5:8590878c r4:85864180 [ 1346.106178][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.106375][ T32] r10:61c88647 r9:84cc6c00 r8:858641ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.106401][ T32] r4:85864180 [ 1346.106421][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.106484][ T32] r10:00000000 r9:85864180 r8:8027f5e8 r7:ec7a5e60 r6:8586c800 r5:84cc6c00 [ 1346.106509][ T32] r4:00000001 [ 1346.106528][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.106605][ T32] Exception stack(0xec841fb0 to 0xec841ff8) [ 1346.106635][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1346.106664][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.106690][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.106739][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.106764][ T32] r4:85868c00 [ 1346.107111][ T32] INFO: task kworker/1:952:5959 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.107142][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.107251][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.107298][ T32] Call trace: [ 1346.107342][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.107392][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.107415][ T32] r4:00000000 [ 1346.107445][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.107546][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.107598][ T32] dd20: 9372d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.107651][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.107686][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.107710][ T32] r5:80070013 r4:80239bb0 [ 1346.107751][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.107798][ T32] r4:82ac11a4 [ 1346.107828][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.107898][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.107925][ T32] r4:e884ddc0 [ 1346.107945][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.108035][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.108062][ T32] r4:00000000 [ 1346.108103][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.108151][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.108172][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.108214][ T32] r5:00001000 r4:e884f000 [ 1346.108234][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.108292][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.108338][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.108358][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.108402][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.108422][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.108466][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.108488][ T32] r4:8454db00 [ 1346.108506][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.108547][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.108589][ T32] r4:00000001 [ 1346.108611][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.108666][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.108697][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.108724][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.108770][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.108802][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.108826][ T32] r4:84e5aa80 [ 1346.108845][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.108891][ T32] INFO: task kworker/1:953:5960 blocked for more than 472 seconds. [ 1346.108923][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.108966][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.108990][ T32] task:kworker/1:953 state:D stack:0 pid:5960 tgid:5960 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 1 printk messages dropped ** [ 1346.109144][ T32] Call trace: ** 4 printk messages dropped ** [ 1346.109350][ T32] r5:85822400 r4:82918808 [ 1346.109372][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.109409][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.109450][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec655e08 [ 1346.109489][ T32] r4:00000000 [ 1346.109511][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.109546][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.109581][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.109622][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85868f00 [ 1346.109705][ T32] r4:00000000 [ 1346.109762][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.140139][ T32] r9:83018205 r8:85822400 r7:00000000 r6:83018200 r5:00001000 r4:7f045000 [ 1346.140187][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.140256][ T32] r5:00001000 r4:eb795000 [ 1346.140322][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.140375][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.140439][ T32] r5:8590838c r4:85908000 [ 1346.140482][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.140534][ T32] r7:ddde2d80 r6:83018200 r5:8590838c r4:85864200 [ 1346.140582][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.140630][ T32] r10:61c88647 r9:85822400 r8:8586422c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.140653][ T32] r4:85864200 [ 1346.140672][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.140726][ T32] r10:00000000 r9:85864200 r8:8027f5e8 r7:ec841e60 r6:85864280 r5:85822400 [ 1346.140752][ T32] r4:00000001 [ 1346.140792][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.140834][ T32] Exception stack(0xec655fb0 to 0xec655ff8) [ 1346.140864][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.140909][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.140950][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.141001][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.141027][ T32] r4:85868c00 [ 1346.141532][ T32] INFO: task kworker/1:953:5960 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.141566][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.141675][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.141734][ T32] Call trace: [ 1346.141789][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.141840][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 6 printk messages dropped ** [ 1346.142092][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1346.142354][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1346.142934][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1346.143291][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1346.143656][ T32] Call trace: ** 5 printk messages dropped ** [ 1346.143876][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1346.144434][ T32] r5:00001000 r4:ebb35000 [ 1346.144479][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1346.144644][ T32] r7:ddde2d80 r6:83018200 r5:85908f8c r4:85864300 ** 8 printk messages dropped ** [ 1346.144948][ T32] 5fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1346.145610][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 11 printk messages dropped ** [ 1346.146052][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 10 printk messages dropped ** [ 1346.146451][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.146474][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.146547][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.146571][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.146616][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.146657][ T32] r4:8454db00 [ 1346.146685][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.146741][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.146765][ T32] r4:00000001 [ 1346.146804][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.146843][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.146870][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.146898][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.146923][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.146950][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.146972][ T32] r4:84e5aa80 [ 1346.147012][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.147081][ T32] INFO: task kworker/1:955:5964 blocked for more than 472 seconds. [ 1346.147112][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.147174][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.147199][ T32] task:kworker/1:955 state:D stack:0 pid:5964 tgid:5964 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.147251][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.147337][ T32] Call trace: [ 1346.147382][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.147441][ T32] r10:8291880c r9:ec875d84 r8:00000002 r7:60000113 r6:ec875d8c r5:84cc8000 [ 1346.147466][ T32] r4:84cc8000 [ 1346.147485][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.147525][ T32] r5:84cc8000 r4:82918808 [ 1346.147544][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.147609][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.147663][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec875e08 [ 1346.147700][ T32] r4:00000000 [ 1346.147722][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.147758][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.147814][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.147869][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85856340 [ 1346.147909][ T32] r4:00000000 [ 1346.147942][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.148010][ T32] r9:83018205 r8:84cc8000 r7:00000000 r6:83018200 r5:00001000 r4:7f049000 [ 1346.148059][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.148104][ T32] r5:00001000 r4:eb92d000 [ 1346.148126][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.148178][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.148233][ T32] r5:85908b8c r4:85908800 [ 1346.148253][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.148298][ T32] r7:ddde2d80 r6:83018200 r5:85908b8c r4:85864380 [ 1346.148329][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.148376][ T32] r10:61c88647 r9:84cc8000 r8:858643ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.148398][ T32] r4:85864380 [ 1346.148420][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.148484][ T32] r10:00000000 r9:85864380 r8:8027f5e8 r7:ec865e60 r6:8586c900 r5:84cc8000 [ 1346.148531][ T32] r4:00000001 [ 1346.148554][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.148590][ T32] Exception stack(0xec875fb0 to 0xec875ff8) [ 1346.148616][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.148661][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.148693][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.148742][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1346.149234][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1346.149525][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 11 printk messages dropped ** [ 1346.172064][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 4 printk messages dropped ** [ 1346.172257][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.172278][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.172324][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.172344][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.172389][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.172431][ T32] r4:8454db00 [ 1346.172455][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.172500][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.172521][ T32] r4:00000001 [ 1346.172570][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.172611][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.172641][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.172689][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.172720][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.172748][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.172794][ T32] r4:84e5aa80 [ 1346.172821][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.172851][ T32] INFO: task kworker/1:956:5966 blocked for more than 472 seconds. [ 1346.172894][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.172921][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.172943][ T32] task:kworker/1:956 state:D stack:0 pid:5966 tgid:5966 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1346.173364][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1346.173798][ T32] r5:00001000 r4:ec63f000 [ 1346.173821][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.173860][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1346.174025][ T32] r10:61c88647 r9:84cc9800 r8:8586442c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1346.174387][ T32] r4:85868a80 ** 2 printk messages dropped ** [ 1346.175058][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1346.175426][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 9 printk messages dropped ** [ 1346.175725][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1346.176001][ T32] r5:84fe9f8c r4:84fe9c00 ** 3 printk messages dropped ** [ 1346.176154][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1346.176510][ T32] r4:84e5aa80 ** 5 printk messages dropped ** [ 1346.176764][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1346.177025][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1346.177464][ T32] r5:00001000 r4:ec391000 [ 1346.177484][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1346.177580][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 11 printk messages dropped ** [ 1346.178008][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1346.178633][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 10 printk messages dropped ** [ 1346.179002][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 7 printk messages dropped ** [ 1346.179292][ T32] r5:00001000 r4:e884f000 [ 1346.179312][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.179349][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.179389][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.179450][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.179499][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.179519][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.179564][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.179585][ T32] r4:8454db00 [ 1346.179612][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.179662][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.179684][ T32] r4:00000001 [ 1346.179703][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.179778][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.195450][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.195528][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.195565][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.195598][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.195622][ T32] r4:84e5aa80 [ 1346.195645][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.195694][ T32] INFO: task kworker/1:958:5971 blocked for more than 472 seconds. [ 1346.195733][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.195768][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.195821][ T32] task:kworker/1:958 state:D stack:0 pid:5971 tgid:5971 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.195882][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.195961][ T32] Call trace: [ 1346.196026][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.196092][ T32] r10:8291880c r9:eca35d84 r8:00000002 r7:60000113 r6:eca35d8c r5:84ccc800 [ 1346.196115][ T32] r4:84ccc800 [ 1346.196134][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.196173][ T32] r5:84ccc800 r4:82918808 [ 1346.196193][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.196229][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.196289][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca35e08 [ 1346.196316][ T32] r4:00000000 [ 1346.196346][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.196384][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.196426][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.196468][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85926400 [ 1346.196489][ T32] r4:00000000 [ 1346.196537][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.196587][ T32] r9:83018205 r8:84ccc800 r7:00000000 r6:83018200 r5:00001000 r4:7f04f000 [ 1346.196610][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.196652][ T32] r5:00001000 r4:ec3ad000 [ 1346.196671][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.196709][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.196781][ T32] r5:8590978c r4:85909400 [ 1346.196806][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.196882][ T32] r7:ddde2d80 r6:83018200 r5:8590978c r4:85864500 [ 1346.196925][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.197000][ T32] r10:61c88647 r9:84ccc800 r8:8586452c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1346.197183][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1346.197341][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1346.198141][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 9 printk messages dropped ** [ 1346.198473][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 12 printk messages dropped ** [ 1346.199055][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1346.199481][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1346.212561][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1346.213006][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1346.213453][ T32] r5:00001000 r4:ec3e5000 [ 1346.213474][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1346.213649][ T32] r7:ddde2d80 r6:83018200 r5:85909b8c r4:85864580 ** 7 printk messages dropped ** [ 1346.213872][ T32] Exception stack(0xeca39fb0 to 0xeca39ff8) ** 6 printk messages dropped ** [ 1346.214607][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1346.215055][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.215087][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.215113][ T32] r5:80070013 r4:80239bb0 [ 1346.215133][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.215177][ T32] r4:82ac11a4 [ 1346.215197][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.215244][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.215267][ T32] r4:e884ddc0 [ 1346.215286][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.215329][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.215385][ T32] r4:00000000 [ 1346.215409][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.215455][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.215476][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.215516][ T32] r5:00001000 r4:e884f000 [ 1346.215545][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.215587][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.215628][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.215647][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.215692][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.215712][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.215756][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.215778][ T32] r4:8454db00 [ 1346.215797][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.215861][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.215912][ T32] r4:00000001 [ 1346.215954][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.216002][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.216037][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.216066][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.216092][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.216135][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.216160][ T32] r4:84e5aa80 [ 1346.216180][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.216207][ T32] INFO: task kworker/1:960:5974 blocked for more than 472 seconds. [ 1346.216240][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.216292][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.216320][ T32] task:kworker/1:960 state:D stack:0 pid:5974 tgid:5974 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.216364][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.216402][ T32] Call trace: [ 1346.216504][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.216551][ T32] r10:8291880c r9:eca41d84 r8:00000002 r7:60000113 r6:eca41d8c r5:84cce000 [ 1346.216574][ T32] r4:84cce000 [ 1346.216592][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.216639][ T32] r5:84cce000 r4:82918808 [ 1346.216693][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.216754][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.216804][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca41e08 [ 1346.216826][ T32] r4:00000000 [ 1346.216845][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.216879][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.216932][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.216999][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85926680 [ 1346.217025][ T32] r4:00000000 [ 1346.217052][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.217095][ T32] r9:83018205 r8:84cce000 r7:00000000 r6:83018200 r5:00001000 r4:7f053000 [ 1346.217136][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.217180][ T32] r5:00001000 r4:ec3fb000 [ 1346.217201][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.217259][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1346.217476][ T32] r10:61c88647 r9:84cce000 r8:8586462c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1346.217772][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1346.218533][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 7 printk messages dropped ** [ 1346.218884][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 13 printk messages dropped ** [ 1346.219412][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1346.240217][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1346.240692][ T32] Call trace: ** 4 printk messages dropped ** [ 1346.240959][ T32] r5:84ccb000 r4:82918808 ** 5 printk messages dropped ** [ 1346.241202][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 5 printk messages dropped ** [ 1346.241487][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.241554][ T32] r5:00001000 r4:ec41b000 [ 1346.241586][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.241630][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.241670][ T32] r5:8590a38c r4:8590a000 [ 1346.241690][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.241736][ T32] r7:ddde2d80 r6:83018200 r5:8590a38c r4:85864680 [ 1346.241756][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.241820][ T32] r10:61c88647 r9:84ccb000 r8:858646ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.241847][ T32] r4:85864680 [ 1346.241866][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.241952][ T32] r10:00000000 r9:85864680 r8:8027f5e8 r7:eca21e60 r6:8586cc00 r5:84ccb000 [ 1346.241977][ T32] r4:00000001 [ 1346.242006][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.242072][ T32] Exception stack(0xeca49fb0 to 0xeca49ff8) [ 1346.242102][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.242131][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.242159][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.242231][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.242289][ T32] r4:85926480 [ 1346.242777][ T32] INFO: task kworker/1:961:5976 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.242812][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.242887][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.242936][ T32] Call trace: [ 1346.242989][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.243053][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.243097][ T32] r4:00000000 [ 1346.243121][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.243159][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.243188][ T32] dd20: 9538d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.243228][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.243259][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.243305][ T32] r5:80070013 r4:80239bb0 [ 1346.243331][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.243378][ T32] r4:82ac11a4 [ 1346.243398][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 7 printk messages dropped ** [ 1346.243743][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1346.244091][ T32] r4:8454db00 ** 4 printk messages dropped ** [ 1346.244289][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 7 printk messages dropped ** [ 1346.244541][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1346.244770][ T32] r4:84ccbc00 [ 1346.244789][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.244828][ T32] r5:84ccbc00 r4:82918808 [ 1346.244848][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.244882][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.244923][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca51e08 [ 1346.244944][ T32] r4:00000000 [ 1346.244963][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.244997][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.245037][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.245080][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85926900 [ 1346.245102][ T32] r4:00000000 [ 1346.245120][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.245162][ T32] r9:83018205 r8:84ccbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f057000 [ 1346.245183][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.245223][ T32] r5:00001000 r4:ec433000 [ 1346.245241][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.245278][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.245323][ T32] r5:8590a78c r4:8590a400 [ 1346.245368][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.245454][ T32] r7:ddde2d80 r6:83018200 r5:8590a78c r4:85864700 [ 1346.245496][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.245584][ T32] r10:61c88647 r9:84ccbc00 r8:8586472c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.245629][ T32] r4:85864700 [ 1346.245668][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.245752][ T32] r10:00000000 r9:85864700 r8:8027f5e8 r7:eca21e60 r6:8586cc80 r5:84ccbc00 [ 1346.245796][ T32] r4:00000001 [ 1346.245834][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.245906][ T32] Exception stack(0xeca51fb0 to 0xeca51ff8) [ 1346.245960][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1346.246017][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.246227][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.246304][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.246351][ T32] r4:859267c0 [ 1346.246892][ T32] INFO: task kworker/1:962:5978 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.246968][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.247097][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1346.247269][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1346.247435][ T32] r5:80070013 r4:80239bb0 ** 4 printk messages dropped ** [ 1346.247584][ T32] r4:e884ddc0 ** 6 printk messages dropped ** [ 1346.247953][ T32] r5:00001000 r4:e884f000 ** 5 printk messages dropped ** [ 1346.248173][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1346.248526][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1346.248851][ T32] task:kworker/1:963 state:D stack:0 pid:5980 tgid:5980 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1346.249224][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1346.249643][ T32] r5:00001000 r4:ec44b000 [ 1346.249683][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1346.273117][ T32] r5:8590ab8c r4:8590a800 ** 3 printk messages dropped ** [ 1346.273359][ T32] r10:61c88647 r9:84ccec00 r8:858647ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1346.273652][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1346.274541][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 9 printk messages dropped ** [ 1346.274887][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 9 printk messages dropped ** [ 1346.275322][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1346.275662][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 7 printk messages dropped ** [ 1346.275926][ T32] r4:84e5aa80 ** 4 printk messages dropped ** [ 1346.276074][ T32] task:kworker/1:964 state:D stack:0 pid:5982 tgid:5982 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1346.276630][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1346.276988][ T32] r5:00001000 r4:ec46f000 [ 1346.277008][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.277076][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1346.277318][ T32] r4:85864800 ** 5 printk messages dropped ** [ 1346.277509][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1346.277538][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.277566][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.277595][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.277618][ T32] r4:85926880 [ 1346.277943][ T32] INFO: task kworker/1:964:5982 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.277976][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.278091][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.278138][ T32] Call trace: [ 1346.278170][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.278245][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.278276][ T32] r4:00000000 [ 1346.278299][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.278339][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.278367][ T32] dd20: 95778000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.278397][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.278442][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.278498][ T32] r5:80070013 r4:80239bb0 [ 1346.278548][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.278647][ T32] r4:82ac11a4 [ 1346.278720][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.278831][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.278910][ T32] r4:e884ddc0 [ 1346.278968][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.279083][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.279140][ T32] r4:00000000 [ 1346.279189][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.279288][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.279345][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.279444][ T32] r5:00001000 r4:e884f000 [ 1346.279494][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.279578][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.279667][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.279712][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.297596][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.297696][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.297830][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.297886][ T32] r4:8454db00 [ 1346.297952][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.298072][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.298127][ T32] r4:00000001 [ 1346.298211][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.298311][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.298380][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.298446][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.298510][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.298617][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.298682][ T32] r4:84e5aa80 [ 1346.298743][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.298812][ T32] INFO: task kworker/1:965:5984 blocked for more than 472 seconds. [ 1346.298960][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.299242][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.299317][ T32] task:kworker/1:965 state:D stack:0 pid:5984 tgid:5984 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.299427][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.299519][ T32] Call trace: [ 1346.299611][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.299767][ T32] r10:8291880c r9:eca69d84 r8:00000002 r7:60000113 r6:eca69d8c r5:858d8c00 [ 1346.310414][ T32] r4:858d8c00 [ 1346.310515][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.310639][ T32] r5:858d8c00 r4:82918808 [ 1346.310713][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.310804][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.310903][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca69e08 [ 1346.310959][ T32] r4:00000000 [ 1346.311005][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.311093][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.311177][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.311283][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85926cc0 [ 1346.311346][ T32] r4:00000000 [ 1346.311395][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.311497][ T32] r9:83018205 r8:858d8c00 r7:00000000 r6:83018200 r5:00001000 r4:7f05d000 [ 1346.311550][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.311644][ T32] r5:00001000 r4:ec48b000 [ 1346.311694][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.311784][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.311898][ T32] r5:8590b38c r4:8590b000 [ 1346.311960][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.312081][ T32] r7:ddde2d80 r6:83018200 r5:8590b38c r4:85864880 [ 1346.312139][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.312238][ T32] r10:61c88647 r9:858d8c00 r8:858648ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.312288][ T32] r4:85864880 [ 1346.312335][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.312449][ T32] r10:00000000 r9:85864880 r8:8027f5e8 r7:eca21e60 r6:8586ce00 r5:858d8c00 [ 1346.312506][ T32] r4:00000001 [ 1346.312555][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.312639][ T32] Exception stack(0xeca69fb0 to 0xeca69ff8) [ 1346.312705][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.312767][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.312826][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.312927][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.312984][ T32] r4:85926a80 [ 1346.313844][ T32] INFO: task kworker/1:965:5984 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.313929][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.314101][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.314244][ T32] Call trace: [ 1346.314357][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.314459][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.314512][ T32] r4:00000000 [ 1346.314559][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.314636][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.314696][ T32] dd20: 95b33000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.314754][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.314808][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.314859][ T32] r5:80070013 r4:80239bb0 [ 1346.314929][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.315053][ T32] r4:82ac11a4 [ 1346.315105][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.315211][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.315266][ T32] r4:e884ddc0 [ 1346.315336][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.315454][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.315523][ T32] r4:00000000 [ 1346.315586][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.315697][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.315750][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.315841][ T32] r5:00001000 r4:e884f000 [ 1346.315886][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.315975][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.316073][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.316123][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.316221][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.316271][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.316372][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.316429][ T32] r4:8454db00 [ 1346.316480][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.316573][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.316645][ T32] r4:00000001 [ 1346.316699][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.316785][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.316848][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.316914][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.316979][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.317056][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.317125][ T32] r4:84e5aa80 [ 1346.317177][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.317267][ T32] INFO: task kworker/1:966:5986 blocked for more than 472 seconds. [ 1346.317360][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.317432][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.317493][ T32] task:kworker/1:966 state:D stack:0 pid:5986 tgid:5986 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.317612][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.317715][ T32] Call trace: [ 1346.317833][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.317940][ T32] r10:8291880c r9:eca6dd84 r8:00000002 r7:60000113 r6:eca6dd8c r5:858d9800 [ 1346.318000][ T32] r4:858d9800 [ 1346.318067][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.318161][ T32] r5:858d9800 r4:82918808 [ 1346.318236][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.318322][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.318419][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca6de08 [ 1346.318477][ T32] r4:00000000 [ 1346.318549][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.318646][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.318743][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.318862][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85926ec0 [ 1346.318936][ T32] r4:00000000 [ 1346.318986][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.319093][ T32] r9:83018205 r8:858d9800 r7:00000000 r6:83018200 r5:00001000 r4:7f05f000 [ 1346.319148][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.319239][ T32] r5:00001000 r4:ec5dd000 [ 1346.319287][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.319373][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.319462][ T32] r5:8590b78c r4:8590b400 [ 1346.319531][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.319648][ T32] r7:ddde2d80 r6:83018200 r5:8590b78c r4:85864900 [ 1346.319703][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.352699][ T32] r10:61c88647 r9:858d9800 r8:8586492c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.352804][ T32] r4:85864900 [ 1346.352881][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.353045][ T32] r10:00000000 r9:85864900 r8:8027f5e8 r7:eca21e60 r6:8586ce80 r5:858d9800 [ 1346.353103][ T32] r4:00000001 [ 1346.353152][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.353241][ T32] Exception stack(0xeca6dfb0 to 0xeca6dff8) [ 1346.353388][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.353473][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.353537][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.353692][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.353786][ T32] r4:85926a00 [ 1346.354692][ T32] INFO: task kworker/1:966:5986 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.354780][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.354953][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.355076][ T32] Call trace: [ 1346.355172][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.355290][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.355348][ T32] r4:00000000 [ 1346.355395][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.355479][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.355539][ T32] dd20: 9606f000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.355631][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.355722][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.355799][ T32] r5:80070013 r4:80239bb0 [ 1346.355861][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.355967][ T32] r4:82ac11a4 [ 1346.356043][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.356157][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.356206][ T32] r4:e884ddc0 [ 1346.356278][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.356380][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.356446][ T32] r4:00000000 [ 1346.356508][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.356612][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.356668][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.356755][ T32] r5:00001000 r4:e884f000 [ 1346.356803][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.356888][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.357011][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.357097][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.357203][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.357254][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.357353][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.357451][ T32] r4:8454db00 [ 1346.357529][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.357631][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.357686][ T32] r4:00000001 [ 1346.357736][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.357818][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.357879][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.357942][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.358044][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.358119][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.358171][ T32] r4:84e5aa80 [ 1346.358253][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.358408][ T32] INFO: task kworker/1:967:5988 blocked for more than 472 seconds. [ 1346.358494][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.358554][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.358602][ T32] task:kworker/1:967 state:D stack:0 pid:5988 tgid:5988 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.358693][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.358867][ T32] Call trace: [ 1346.358956][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.359113][ T32] r10:8291880c r9:eca75d84 r8:00000002 r7:60000113 r6:eca75d8c r5:858db000 [ 1346.359196][ T32] r4:858db000 [ 1346.359287][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.359383][ T32] r5:858db000 r4:82918808 [ 1346.359461][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.359561][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.359670][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca75e08 [ 1346.359758][ T32] r4:00000000 [ 1346.382323][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.382492][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.382610][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.382725][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85926f40 [ 1346.382796][ T32] r4:00000000 [ 1346.382859][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.382960][ T32] r9:83018205 r8:858db000 r7:00000000 r6:83018200 r5:00001000 r4:7f061000 [ 1346.383011][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.383118][ T32] r5:00001000 r4:ec617000 [ 1346.383176][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.383266][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.383357][ T32] r5:8590bb8c r4:8590b800 [ 1346.383411][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.383512][ T32] r7:ddde2d80 r6:83018200 r5:8590bb8c r4:85864980 [ 1346.383561][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.383719][ T32] r10:61c88647 r9:858db000 r8:858649ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.383784][ T32] r4:85864980 [ 1346.383862][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.383964][ T32] r10:00000000 r9:85864980 r8:8027f5e8 r7:eca21e60 r6:8586cf00 r5:858db000 [ 1346.384051][ T32] r4:00000001 [ 1346.384115][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.384206][ T32] Exception stack(0xeca75fb0 to 0xeca75ff8) [ 1346.384275][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.384382][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.384462][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.384529][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.384580][ T32] r4:85926a00 [ 1346.385596][ T32] INFO: task kworker/1:967:5988 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.385825][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.386074][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.386265][ T32] Call trace: [ 1346.386357][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.386513][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.386588][ T32] r4:00000000 [ 1346.386663][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.386773][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.386837][ T32] dd20: 963ca000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.386904][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.386980][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.387058][ T32] r5:80070013 r4:80239bb0 [ 1346.387111][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.387219][ T32] r4:82ac11a4 [ 1346.387270][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.387384][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.387435][ T32] r4:e884ddc0 [ 1346.387479][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.387575][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.387631][ T32] r4:00000000 [ 1346.387681][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.387776][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.387826][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.387921][ T32] r5:00001000 r4:e884f000 [ 1346.388020][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.388126][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.388221][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.388270][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.388370][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.388418][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.388518][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.388577][ T32] r4:8454db00 [ 1346.388626][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.388727][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.388785][ T32] r4:00000001 [ 1346.388861][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.388985][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.389062][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.389130][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.389211][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.389297][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.389372][ T32] r4:84e5aa80 [ 1346.389435][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.389505][ T32] INFO: task kworker/1:968:5990 blocked for more than 472 seconds. [ 1346.389595][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.389671][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.406929][ T32] task:kworker/1:968 state:D stack:0 pid:5990 tgid:5990 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.407273][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.407419][ T32] Call trace: [ 1346.407500][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.407624][ T32] r10:8291880c r9:eca7dd84 r8:00000002 r7:60000113 r6:eca7dd8c r5:858dc800 [ 1346.407684][ T32] r4:858dc800 [ 1346.407734][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.407825][ T32] r5:858dc800 r4:82918808 [ 1346.407878][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.408010][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.408221][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca7de08 [ 1346.408286][ T32] r4:00000000 [ 1346.408339][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.408422][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.408520][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.408618][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8586fa40 [ 1346.408694][ T32] r4:00000000 [ 1346.408766][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.408876][ T32] r9:83018205 r8:858dc800 r7:00000000 r6:83018200 r5:00001000 r4:7f09b000 [ 1346.408949][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.409056][ T32] r5:00001000 r4:ec623000 [ 1346.409120][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.409227][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.409339][ T32] r5:8590bf8c r4:8590bc00 [ 1346.409407][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.409513][ T32] r7:ddde2d80 r6:83018200 r5:8590bf8c r4:85864a00 [ 1346.409572][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.409675][ T32] r10:61c88647 r9:858dc800 r8:85864a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.425265][ T32] r4:85864a00 [ 1346.425506][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.425663][ T32] r10:00000000 r9:85864a00 r8:8027f5e8 r7:eca21e60 r6:8586cf80 r5:858dc800 [ 1346.425722][ T32] r4:00000001 [ 1346.425773][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.425858][ T32] Exception stack(0xeca7dfb0 to 0xeca7dff8) [ 1346.425945][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.426016][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.426085][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.426156][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.426267][ T32] r4:85926e00 [ 1346.427161][ T32] INFO: task kworker/1:968:5990 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.427249][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.427402][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.427513][ T32] Call trace: [ 1346.427610][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.427741][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.427802][ T32] r4:00000000 [ 1346.427849][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.427932][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.428025][ T32] dd20: 96631000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.428096][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.428248][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.428316][ T32] r5:80070013 r4:80239bb0 [ 1346.428369][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.428600][ T32] r4:82ac11a4 [ 1346.428669][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.428777][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.428833][ T32] r4:e884ddc0 [ 1346.428882][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.428984][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.429051][ T32] r4:00000000 [ 1346.429104][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.429212][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.429268][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.429365][ T32] r5:00001000 r4:e884f000 [ 1346.429429][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.429525][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.429622][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.429674][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.440586][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.440748][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.440891][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.440951][ T32] r4:8454db00 [ 1346.441006][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.441128][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.441213][ T32] r4:00000001 [ 1346.441289][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.441415][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.441494][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.441584][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.441662][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.441806][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.441898][ T32] r4:84e5aa80 [ 1346.441959][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.442053][ T32] INFO: task kworker/1:969:5993 blocked for more than 472 seconds. [ 1346.442136][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.442226][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.442285][ T32] task:kworker/1:969 state:D stack:0 pid:5993 tgid:5993 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.442414][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.442540][ T32] Call trace: [ 1346.442656][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.442763][ T32] r10:8291880c r9:eca89d84 r8:00000002 r7:60000013 r6:eca89d8c r5:858dbc00 [ 1346.442818][ T32] r4:858dbc00 [ 1346.442864][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.442973][ T32] r5:858dbc00 r4:82918808 [ 1346.443057][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.443151][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.443249][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca89e08 [ 1346.443303][ T32] r4:00000000 [ 1346.443350][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.443433][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.443535][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.443632][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85943280 [ 1346.443687][ T32] r4:00000000 [ 1346.443734][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.443853][ T32] r9:83018205 r8:858dbc00 r7:00000000 r6:83018200 r5:00001000 r4:7f0a1000 [ 1346.443933][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.444055][ T32] r5:00001000 r4:ec691000 [ 1346.444125][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.444223][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.444318][ T32] r5:8590cb8c r4:8590c800 [ 1346.444368][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.444472][ T32] r7:ddde2d80 r6:83018200 r5:8590cb8c r4:85864a80 [ 1346.444525][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.444629][ T32] r10:61c88647 r9:858dbc00 r8:85864aac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.444700][ T32] r4:85864a80 [ 1346.444754][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.444867][ T32] r10:00000000 r9:85864a80 r8:8027f5e8 r7:eca21e60 r6:85948000 r5:858dbc00 [ 1346.444959][ T32] r4:00000001 [ 1346.445013][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.445103][ T32] Exception stack(0xeca89fb0 to 0xeca89ff8) [ 1346.445165][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.445231][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.445294][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.445360][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.445413][ T32] r4:85926e40 [ 1346.446360][ T32] INFO: task kworker/1:969:5993 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.446448][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.446576][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.446695][ T32] Call trace: [ 1346.446788][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.446901][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.446953][ T32] r4:00000000 [ 1346.447021][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.447137][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.447205][ T32] dd20: 96631000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.447290][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.447363][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.447427][ T32] r5:80070013 r4:80239bb0 [ 1346.447477][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.447576][ T32] r4:82ac11a4 [ 1346.447628][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.447750][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.447822][ T32] r4:e884ddc0 [ 1346.447879][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.448012][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.448075][ T32] r4:00000000 [ 1346.448128][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.448227][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.448285][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.448399][ T32] r5:00001000 r4:e884f000 [ 1346.448482][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.448579][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.448675][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.448727][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.448830][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.448889][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.449020][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.449101][ T32] r4:8454db00 [ 1346.449148][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.449245][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.449299][ T32] r4:00000001 [ 1346.449367][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.449459][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.449535][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.449611][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.449675][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.449793][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.480510][ T32] r4:84e5aa80 [ 1346.480640][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.480742][ T32] INFO: task kworker/1:970:5994 blocked for more than 472 seconds. [ 1346.480832][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.480896][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.480968][ T32] task:kworker/1:970 state:D stack:0 pid:5994 tgid:5994 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.481142][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.481311][ T32] Call trace: [ 1346.481414][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.481536][ T32] r10:8291880c r9:eca8dd84 r8:00000002 r7:60000013 r6:eca8dd8c r5:858de000 [ 1346.481616][ T32] r4:858de000 [ 1346.481675][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.481768][ T32] r5:858de000 r4:82918808 [ 1346.481815][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.481895][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.481994][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca8de08 [ 1346.482061][ T32] r4:00000000 [ 1346.482128][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.482270][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.482365][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.482463][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859430c0 [ 1346.482519][ T32] r4:00000000 [ 1346.482567][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.482670][ T32] r9:83018205 r8:858de000 r7:00000000 r6:83018200 r5:00001000 r4:7f09f000 [ 1346.482724][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.482816][ T32] r5:00001000 r4:ec661000 [ 1346.482888][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.483018][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.483150][ T32] r5:8590c78c r4:8590c400 [ 1346.483228][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.483344][ T32] r7:ddde2d80 r6:83018200 r5:8590c78c r4:85864b00 [ 1346.483397][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.483504][ T32] r10:61c88647 r9:858de000 r8:85864b2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.483554][ T32] r4:85864b00 [ 1346.483597][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.483697][ T32] r10:00000000 r9:85864b00 r8:8027f5e8 r7:eca89e60 r6:85948080 r5:858de000 [ 1346.483748][ T32] r4:00000001 [ 1346.483795][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.483877][ T32] Exception stack(0xeca8dfb0 to 0xeca8dff8) [ 1346.483943][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.484009][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.484089][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.484159][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.484210][ T32] r4:85926e40 [ 1346.485102][ T32] INFO: task kworker/1:970:5994 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.485183][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.485357][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.485464][ T32] Call trace: [ 1346.485593][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.485707][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.485783][ T32] r4:00000000 [ 1346.485840][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.485932][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.486011][ T32] dd20: 96866000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.486100][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.486164][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.486260][ T32] r5:80070013 r4:80239bb0 [ 1346.486336][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.486443][ T32] r4:82ac11a4 [ 1346.486492][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.486594][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.486646][ T32] r4:e884ddc0 [ 1346.486710][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.486807][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.486862][ T32] r4:00000000 [ 1346.486909][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.487008][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.487068][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.487164][ T32] r5:00001000 r4:e884f000 [ 1346.487236][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.487337][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.487432][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.487483][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.487588][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.487639][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.487733][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.487784][ T32] r4:8454db00 [ 1346.487831][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.487925][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.488029][ T32] r4:00000001 [ 1346.488114][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.488203][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.488263][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.488344][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.488432][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.488511][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.488564][ T32] r4:84e5aa80 [ 1346.488612][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.488676][ T32] INFO: task kworker/1:971:5996 blocked for more than 472 seconds. [ 1346.488746][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.488802][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.488855][ T32] task:kworker/1:971 state:D stack:0 pid:5996 tgid:5996 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.488990][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.489116][ T32] Call trace: [ 1346.489210][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.489330][ T32] r10:8291880c r9:eca95d84 r8:00000002 r7:60000113 r6:eca95d8c r5:858dd400 [ 1346.489391][ T32] r4:858dd400 [ 1346.489459][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.489552][ T32] r5:858dd400 r4:82918808 [ 1346.489600][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.489681][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.513906][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca95e08 [ 1346.514003][ T32] r4:00000000 [ 1346.514070][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.514225][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.514329][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.514430][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85943bc0 [ 1346.514487][ T32] r4:00000000 [ 1346.514535][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.514641][ T32] r9:83018205 r8:858dd400 r7:00000000 r6:83018200 r5:00001000 r4:7f029000 [ 1346.514692][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.514790][ T32] r5:00001000 r4:e8801000 [ 1346.514840][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.514930][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.515025][ T32] r5:8590e38c r4:8590e000 [ 1346.515109][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.515230][ T32] r7:ddde2d80 r6:83018200 r5:8590e38c r4:85864b80 [ 1346.515284][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.515386][ T32] r10:61c88647 r9:858dd400 r8:85864bac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.515440][ T32] r4:85864b80 [ 1346.515512][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.515619][ T32] r10:00000000 r9:85864b80 r8:8027f5e8 r7:eca89e60 r6:85948100 r5:858dd400 [ 1346.515672][ T32] r4:00000001 [ 1346.515721][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.515809][ T32] Exception stack(0xeca95fb0 to 0xeca95ff8) [ 1346.515875][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.515943][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.516006][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.516081][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.516133][ T32] r4:859431c0 [ 1346.517020][ T32] INFO: task kworker/1:971:5996 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.517108][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.517261][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.517397][ T32] Call trace: [ 1346.517573][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.517710][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.517876][ T32] r4:00000000 [ 1346.517944][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.518060][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.518135][ T32] dd20: 96aa2000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.518233][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.518302][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.518366][ T32] r5:80070013 r4:80239bb0 [ 1346.518420][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.518524][ T32] r4:82ac11a4 [ 1346.518577][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.518683][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.518743][ T32] r4:e884ddc0 [ 1346.518793][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.518895][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.518952][ T32] r4:00000000 [ 1346.519006][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.519119][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.519175][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.519270][ T32] r5:00001000 r4:e884f000 [ 1346.519324][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.519427][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.519518][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.519567][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.519667][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.540523][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.540788][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 2 printk messages dropped ** [ 1346.541002][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 7 printk messages dropped ** [ 1346.541590][ T32] r4:84e5aa80 ** 4 printk messages dropped ** [ 1346.541918][ T32] task:kworker/0:457 state:D stack:0 pid:5999 tgid:5999 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1346.542701][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1346.543597][ T32] r5:00001000 r4:ec76f000 [ 1346.543667][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.544026][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1346.544307][ T32] r7:dddced80 r6:83018000 r5:8590d38c r4:85948180 [ 1346.544358][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.544459][ T32] r10:61c88647 r9:858dec00 r8:859481ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1346.544516][ T32] r4:85948180 [ 1346.544564][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.544664][ T32] r10:00000000 r9:85948180 r8:8027f5e8 r7:eca09e60 r6:85948200 r5:858dec00 [ 1346.544741][ T32] r4:00000001 [ 1346.544795][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.544881][ T32] Exception stack(0xeca65fb0 to 0xeca65ff8) [ 1346.544968][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.545053][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.545121][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.545189][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.545241][ T32] r4:859416c0 [ 1346.546147][ T32] INFO: task kworker/0:457:5999 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.546253][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.546389][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.546493][ T32] Call trace: [ 1346.546569][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.546676][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.546730][ T32] r4:00000000 [ 1346.546778][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.546867][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.546934][ T32] dd20: 96cf3000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.547004][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.547074][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.547129][ T32] r5:80070013 r4:80239bb0 [ 1346.547177][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.547274][ T32] r4:82ac11a4 [ 1346.547326][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.547431][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.547487][ T32] r4:e884ddc0 [ 1346.547533][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.547633][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.547684][ T32] r4:00000000 [ 1346.547733][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.547821][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.547868][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.547952][ T32] r5:00001000 r4:e884f000 [ 1346.548029][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.548123][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.548227][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.548281][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.548454][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.548517][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.548617][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.548675][ T32] r4:8454db00 [ 1346.548724][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.548823][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.548878][ T32] r4:00000001 [ 1346.548926][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 2 printk messages dropped ** [ 1346.549154][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1346.549464][ T32] INFO: task kworker/1:972:6002 blocked for more than 473 seconds. ** 3 printk messages dropped ** [ 1346.549714][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1346.572695][ T32] r5:858da400 r4:82918808 ** 2 printk messages dropped ** [ 1346.572964][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca91e08 ** 4 printk messages dropped ** [ 1346.573423][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85943740 ** 4 printk messages dropped ** [ 1346.573822][ T32] r5:00001000 r4:ec7b7000 [ 1346.573867][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.573955][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.574057][ T32] r5:8590d78c r4:8590d400 [ 1346.574107][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.574229][ T32] r7:ddde2d80 r6:83018200 r5:8590d78c r4:85864c00 [ 1346.574283][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1346.574633][ T32] r10:00000000 r9:85864c00 r8:8027f5e8 r7:eca95e60 r6:85948280 r5:858da400 ** 6 printk messages dropped ** [ 1346.575197][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1346.576448][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1346.576784][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1346.577137][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 5 printk messages dropped ** [ 1346.577582][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 3 printk messages dropped ** [ 1346.577839][ T32] r4:00000000 [ 1346.577886][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.577986][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.578073][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.578173][ T32] r5:00001000 r4:e884f000 [ 1346.578252][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.578338][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.578430][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.578478][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.578584][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.578635][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.578737][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.578795][ T32] r4:8454db00 [ 1346.578847][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.578949][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.579004][ T32] r4:00000001 [ 1346.579063][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.579145][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.579220][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.579296][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.579382][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.579458][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.579513][ T32] r4:84e5aa80 [ 1346.579564][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.579655][ T32] INFO: task kworker/0:458:6003 blocked for more than 473 seconds. [ 1346.579772][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.604902][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.604997][ T32] task:kworker/0:458 state:D stack:0 pid:6003 tgid:6003 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.605319][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.605457][ T32] Call trace: [ 1346.605538][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.605659][ T32] r10:8291880c r9:eca99d84 r8:00000002 r7:60000113 r6:eca99d8c r5:858d8000 [ 1346.605716][ T32] r4:858d8000 [ 1346.605764][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.605851][ T32] r5:858d8000 r4:82918808 [ 1346.605902][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.605982][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.606088][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca99e08 [ 1346.606139][ T32] r4:00000000 [ 1346.606212][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.606298][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.606389][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.606481][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85941b40 [ 1346.606535][ T32] r4:00000000 [ 1346.606583][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.606683][ T32] r9:83018005 r8:858d8000 r7:00000000 r6:83018000 r5:00001000 r4:7f0af000 [ 1346.606741][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.606857][ T32] r5:00001000 r4:ec80b000 [ 1346.606917][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.607009][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.607114][ T32] r5:85873f8c r4:85873c00 [ 1346.607165][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.607266][ T32] r7:dddced80 r6:83018000 r5:85873f8c r4:85948300 [ 1346.607319][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.607420][ T32] r10:61c88647 r9:858d8000 r8:8594832c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1346.607492][ T32] r4:85948300 [ 1346.607555][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.607657][ T32] r10:00000000 r9:85948300 r8:8027f5e8 r7:eca09e60 r6:85948380 r5:858d8000 [ 1346.607711][ T32] r4:00000001 [ 1346.607757][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.607857][ T32] Exception stack(0xeca99fb0 to 0xeca99ff8) [ 1346.607924][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.608015][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.608088][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.608157][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.608210][ T32] r4:85941780 [ 1346.609084][ T32] INFO: task kworker/0:458:6003 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.609170][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.609335][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.609443][ T32] Call trace: [ 1346.609519][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.609631][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.609686][ T32] r4:00000000 [ 1346.621832][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.622070][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.622174][ T32] dd20: 9713a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.622273][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.622339][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.622406][ T32] r5:80070013 r4:80239bb0 [ 1346.622461][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.622572][ T32] r4:82ac11a4 [ 1346.622623][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.622723][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.622776][ T32] r4:e884ddc0 [ 1346.622823][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.622917][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.622968][ T32] r4:00000000 [ 1346.623055][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.623269][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.623341][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.623452][ T32] r5:00001000 r4:e884f000 [ 1346.623506][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.623599][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.623696][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.623744][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.623849][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.623904][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.624005][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.624070][ T32] r4:8454db00 [ 1346.624142][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.624251][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.624309][ T32] r4:00000001 [ 1346.624359][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.624443][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.624502][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.624589][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.624679][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.624753][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.624808][ T32] r4:84e5aa80 [ 1346.624861][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.624927][ T32] INFO: task kworker/1:973:6004 blocked for more than 473 seconds. [ 1346.625003][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.625089][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.625149][ T32] task:kworker/1:973 state:D stack:0 pid:6004 tgid:6004 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.625270][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.625372][ T32] Call trace: [ 1346.625449][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.625557][ T32] r10:8291880c r9:eca9dd84 r8:00000002 r7:60000113 r6:eca9dd8c r5:84cc6000 [ 1346.625613][ T32] r4:84cc6000 [ 1346.625660][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.625752][ T32] r5:84cc6000 r4:82918808 [ 1346.625802][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.625887][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.625986][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca9de08 [ 1346.626079][ T32] r4:00000000 [ 1346.626137][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.626248][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.626370][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.626477][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85943880 [ 1346.626535][ T32] r4:00000000 [ 1346.626583][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.626682][ T32] r9:83018205 r8:84cc6000 r7:00000000 r6:83018200 r5:00001000 r4:7f0ad000 [ 1346.626732][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.626825][ T32] r5:00001000 r4:ec7db000 [ 1346.626873][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.626960][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.627065][ T32] r5:8590db8c r4:8590d800 [ 1346.627113][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.627212][ T32] r7:ddde2d80 r6:83018200 r5:8590db8c r4:85864c80 [ 1346.627261][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.627362][ T32] r10:61c88647 r9:84cc6000 r8:85864cac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.627416][ T32] r4:85864c80 [ 1346.627463][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.627558][ T32] r10:00000000 r9:85864c80 r8:8027f5e8 r7:eca95e60 r6:85948400 r5:84cc6000 [ 1346.627610][ T32] r4:00000001 [ 1346.627658][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.627741][ T32] Exception stack(0xeca9dfb0 to 0xeca9dff8) [ 1346.627805][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.627871][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.627933][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.628059][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.628121][ T32] r4:85943680 [ 1346.628997][ T32] INFO: task kworker/1:973:6004 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.629094][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.629269][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.629375][ T32] Call trace: [ 1346.629472][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.629608][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.629677][ T32] r4:00000000 [ 1346.656778][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.657118][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.657207][ T32] dd20: 9732e000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.657296][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.657368][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.657433][ T32] r5:80070013 r4:80239bb0 [ 1346.657485][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.657590][ T32] r4:82ac11a4 [ 1346.657641][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.657741][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.657796][ T32] r4:e884ddc0 [ 1346.657845][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.657946][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.657999][ T32] r4:00000000 [ 1346.658059][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.658171][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.658258][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.658364][ T32] r5:00001000 r4:e884f000 [ 1346.658412][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.658501][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.658617][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.658668][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.658778][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.658836][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.658941][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.658998][ T32] r4:8454db00 [ 1346.659068][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.659161][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.659225][ T32] r4:00000001 [ 1346.659287][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.659375][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.659455][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.659528][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.659593][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.659692][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.670912][ T32] r4:84e5aa80 [ 1346.671007][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.671089][ T32] INFO: task kworker/1:974:6008 blocked for more than 473 seconds. [ 1346.671168][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.671249][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.671327][ T32] task:kworker/1:974 state:D stack:0 pid:6008 tgid:6008 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.671476][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.671629][ T32] Call trace: [ 1346.671709][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.671829][ T32] r10:8291880c r9:ec65dd84 r8:00000002 r7:60000013 r6:ec65dd8c r5:85028000 [ 1346.671902][ T32] r4:85028000 [ 1346.671958][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.672056][ T32] r5:85028000 r4:82918808 [ 1346.672107][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.672196][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.672296][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec65de08 [ 1346.672352][ T32] r4:00000000 [ 1346.672419][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.672506][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.672599][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.672714][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85943ac0 [ 1346.672777][ T32] r4:00000000 [ 1346.672826][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.672930][ T32] r9:83018205 r8:85028000 r7:00000000 r6:83018200 r5:00001000 r4:7f00b000 [ 1346.672985][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.673090][ T32] r5:00001000 r4:dfb13000 [ 1346.673170][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.673270][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.673358][ T32] r5:8590df8c r4:8590dc00 [ 1346.673407][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.673549][ T32] r7:ddde2d80 r6:83018200 r5:8590df8c r4:85864d00 [ 1346.673627][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.673739][ T32] r10:61c88647 r9:85028000 r8:85864d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.673792][ T32] r4:85864d00 [ 1346.673842][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.673963][ T32] r10:00000000 r9:85864d00 r8:8027f5e8 r7:eca95e60 r6:85948480 r5:85028000 [ 1346.674058][ T32] r4:00000001 [ 1346.674118][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.674334][ T32] Exception stack(0xec65dfb0 to 0xec65dff8) [ 1346.674410][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.674478][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.674543][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.674612][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.674663][ T32] r4:85943a00 [ 1346.675537][ T32] INFO: task kworker/1:974:6008 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.675621][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.675741][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.675835][ T32] Call trace: [ 1346.676041][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.676158][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.676228][ T32] r4:00000000 [ 1346.676300][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.676394][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.676459][ T32] dd20: 97496000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.676526][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.676587][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.676645][ T32] r5:80070013 r4:80239bb0 [ 1346.676695][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.676816][ T32] r4:82ac11a4 [ 1346.676924][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.677030][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.677091][ T32] r4:e884ddc0 [ 1346.677135][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.677354][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.677430][ T32] r4:00000000 [ 1346.677484][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.677585][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.677657][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.677785][ T32] r5:00001000 r4:e884f000 [ 1346.677853][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.677963][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.678069][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.678123][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.678262][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.678315][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.678420][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.678472][ T32] r4:8454db00 [ 1346.678522][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.678624][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.678682][ T32] r4:00000001 [ 1346.678733][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.678824][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.678890][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.678998][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.679077][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.679142][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.679218][ T32] r4:84e5aa80 [ 1346.679275][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.679343][ T32] INFO: task kworker/1:975:6010 blocked for more than 473 seconds. [ 1346.679411][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.679463][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.679516][ T32] task:kworker/1:975 state:D stack:0 pid:6010 tgid:6010 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.679616][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.679707][ T32] Call trace: [ 1346.706822][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.707088][ T32] r10:8291880c r9:ec8edd84 r8:00000002 r7:60000013 r6:ec8edd8c r5:85028c00 [ 1346.707151][ T32] r4:85028c00 [ 1346.707203][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.707318][ T32] r5:85028c00 r4:82918808 [ 1346.707391][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.707480][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.707574][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec8ede08 [ 1346.707632][ T32] r4:00000000 [ 1346.707684][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.707768][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.707868][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.707994][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85943b00 [ 1346.708056][ T32] r4:00000000 [ 1346.708109][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.708218][ T32] r9:83018205 r8:85028c00 r7:00000000 r6:83018200 r5:00001000 r4:7f033000 [ 1346.708270][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.708417][ T32] r5:00001000 r4:eb5fd000 [ 1346.708475][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.708622][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.708727][ T32] r5:8590eb8c r4:8590e800 [ 1346.708785][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.708928][ T32] r7:ddde2d80 r6:83018200 r5:8590eb8c r4:85864d80 [ 1346.708989][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.709102][ T32] r10:61c88647 r9:85028c00 r8:85864dac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.709155][ T32] r4:85864d80 [ 1346.709203][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.709306][ T32] r10:00000000 r9:85864d80 r8:8027f5e8 r7:eca95e60 r6:85948500 r5:85028c00 [ 1346.709365][ T32] r4:00000001 [ 1346.709436][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.709616][ T32] Exception stack(0xec8edfb0 to 0xec8edff8) [ 1346.709692][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.720713][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.720881][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.720964][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.721023][ T32] r4:85943a00 [ 1346.721907][ T32] INFO: task kworker/1:975:6010 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.721998][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.722168][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.722333][ T32] Call trace: [ 1346.722409][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.722521][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.722578][ T32] r4:00000000 [ 1346.722630][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.722719][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.722783][ T32] dd20: 97711000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.722853][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.722914][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.722971][ T32] r5:80070013 r4:80239bb0 [ 1346.723021][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.723132][ T32] r4:82ac11a4 [ 1346.723182][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.723281][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.723334][ T32] r4:e884ddc0 [ 1346.723380][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.723483][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.723536][ T32] r4:00000000 [ 1346.723583][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.723681][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.723731][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.723822][ T32] r5:00001000 r4:e884f000 [ 1346.723872][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.723959][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.724144][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.724205][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.724308][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.724361][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.724458][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.724512][ T32] r4:8454db00 [ 1346.724562][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.724682][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.724743][ T32] r4:00000001 [ 1346.724810][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.724897][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.724954][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.725022][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.725095][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.725161][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.725232][ T32] r4:84e5aa80 [ 1346.725287][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.725382][ T32] INFO: task kworker/0:459:6012 blocked for more than 473 seconds. [ 1346.725460][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.725517][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.725569][ T32] task:kworker/0:459 state:D stack:0 pid:6012 tgid:6012 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.725671][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.725760][ T32] Call trace: [ 1346.725833][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.725935][ T32] r10:8291880c r9:ecaa1d84 r8:00000002 r7:60000113 r6:ecaa1d8c r5:85029800 [ 1346.725986][ T32] r4:85029800 [ 1346.726030][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.726135][ T32] r5:85029800 r4:82918808 [ 1346.726183][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.726296][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.726393][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecaa1e08 [ 1346.726444][ T32] r4:00000000 [ 1346.726490][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.726570][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.726655][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.726750][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85941fc0 [ 1346.726802][ T32] r4:00000000 [ 1346.726850][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.726949][ T32] r9:83018005 r8:85029800 r7:00000000 r6:83018000 r5:00001000 r4:7f02f000 [ 1346.726999][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.727098][ T32] r5:00001000 r4:eb44d000 [ 1346.727148][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.727234][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.727326][ T32] r5:84c39b8c r4:84c39800 [ 1346.727375][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.727472][ T32] r7:dddced80 r6:83018000 r5:84c39b8c r4:85948580 [ 1346.727521][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.727620][ T32] r10:61c88647 r9:85029800 r8:859485ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1346.727672][ T32] r4:85948580 [ 1346.727719][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.727815][ T32] r10:00000000 r9:85948580 r8:8027f5e8 r7:eca09e60 r6:85948600 r5:85029800 [ 1346.727889][ T32] r4:00000001 [ 1346.727946][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.728062][ T32] Exception stack(0xecaa1fb0 to 0xecaa1ff8) [ 1346.728121][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1346.728184][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.728246][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.728307][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.728358][ T32] r4:85941c40 [ 1346.728951][ T32] INFO: task kworker/0:459:6012 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.729036][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.729176][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.729278][ T32] Call trace: [ 1346.729345][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.729450][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.729510][ T32] r4:00000000 [ 1346.729685][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.756987][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.757133][ T32] dd20: 978e9000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.757207][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.757293][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.757372][ T32] r5:80070013 r4:80239bb0 [ 1346.757425][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.757559][ T32] r4:82ac11a4 [ 1346.757608][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 3 printk messages dropped ** [ 1346.757912][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1346.758865][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1346.759419][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1346.771090][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1346.771531][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1346.771907][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.772007][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.772107][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8595b4c0 [ 1346.772185][ T32] r4:00000000 [ 1346.772241][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.772343][ T32] r9:83018005 r8:8502a400 r7:00000000 r6:83018000 r5:00001000 r4:7f08d000 [ 1346.772396][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.772487][ T32] r5:00001000 r4:ec869000 [ 1346.772533][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.772623][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.772715][ T32] r5:858a538c r4:858a5000 [ 1346.772804][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.772914][ T32] r7:dddced80 r6:83018000 r5:858a538c r4:85948680 [ 1346.772965][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.773070][ T32] r10:61c88647 r9:8502a400 r8:859486ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1346.773126][ T32] r4:85948680 [ 1346.773193][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.773302][ T32] r10:00000000 r9:85948680 r8:8027f5e8 r7:ecaa1e60 r6:85948700 r5:8502a400 [ 1346.773358][ T32] r4:00000001 [ 1346.773408][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.773523][ T32] Exception stack(0xec905fb0 to 0xec905ff8) [ 1346.773592][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.773657][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.773719][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.773803][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.773862][ T32] r4:85941dc0 [ 1346.774794][ T32] INFO: task kworker/0:460:6014 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.774880][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.775007][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.775117][ T32] Call trace: [ 1346.775189][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.775292][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.775350][ T32] r4:00000000 [ 1346.775398][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.775489][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.775557][ T32] dd20: 9796d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.775626][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.775704][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.775763][ T32] r5:80070013 r4:80239bb0 [ 1346.775810][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.775910][ T32] r4:82ac11a4 [ 1346.775959][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.776067][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.776121][ T32] r4:e884ddc0 [ 1346.776166][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.776262][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.776315][ T32] r4:00000000 [ 1346.776361][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.776462][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.776515][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.776616][ T32] r5:00001000 r4:e884f000 [ 1346.776693][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.776791][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1346.777130][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1346.777835][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1346.778530][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1346.779177][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1346.810613][ T32] r9:83018005 r8:8502b000 r7:00000000 r6:83018000 r5:00001000 r4:7f063000 ** 3 printk messages dropped ** [ 1346.810928][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.811011][ T32] r5:858a438c r4:858a4000 [ 1346.811081][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.811198][ T32] r7:dddced80 r6:83018000 r5:858a438c r4:85948780 [ 1346.811247][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.811442][ T32] r10:61c88647 r9:8502b000 r8:859487ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1346.811510][ T32] r4:85948780 [ 1346.811554][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.811649][ T32] r10:00000000 r9:85948780 r8:8027f5e8 r7:ec905e60 r6:85948800 r5:8502b000 [ 1346.811697][ T32] r4:00000001 [ 1346.811740][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.811823][ T32] Exception stack(0xec8f5fb0 to 0xec8f5ff8) [ 1346.811883][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1346.811944][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.812040][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.812134][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.812197][ T32] r4:85941dc0 [ 1346.813073][ T32] INFO: task kworker/0:461:6016 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.813217][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.813394][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.813494][ T32] Call trace: [ 1346.813607][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.813718][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.813767][ T32] r4:00000000 [ 1346.813810][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.813889][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.813969][ T32] dd20: 97e32000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.814041][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.814098][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.814148][ T32] r5:80070013 r4:80239bb0 [ 1346.814235][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.814328][ T32] r4:82ac11a4 [ 1346.814369][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.814469][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.814531][ T32] r4:e884ddc0 [ 1346.814574][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.814656][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.814705][ T32] r4:00000000 [ 1346.814762][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.814849][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.814934][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.815019][ T32] r5:00001000 r4:e884f000 [ 1346.815065][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.815143][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.815226][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.815269][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.815384][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.815456][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.815577][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.815633][ T32] r4:8454db00 [ 1346.815680][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.815776][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.815869][ T32] r4:00000001 [ 1346.815917][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.815991][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.816050][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.816108][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.816199][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.816318][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.816379][ T32] r4:84e5aa80 [ 1346.816424][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.816511][ T32] INFO: task kworker/1:976:6018 blocked for more than 473 seconds. [ 1346.816593][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.816643][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.816687][ T32] task:kworker/1:976 state:D stack:0 pid:6018 tgid:6018 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.816775][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.816854][ T32] Call trace: [ 1346.816930][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.817048][ T32] r10:8291880c r9:ec98dd84 r8:00000002 r7:60000113 r6:ec98dd8c r5:8502c800 [ 1346.817097][ T32] r4:8502c800 [ 1346.817139][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.817220][ T32] r5:8502c800 r4:82918808 [ 1346.817263][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.817340][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1346.817827][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1346.818277][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.818387][ T32] r5:8590e78c r4:8590e400 ** 2 printk messages dropped ** [ 1346.818682][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1346.819323][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.819378][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.819433][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.819477][ T32] r4:85943d00 [ 1346.847931][ T32] INFO: task kworker/1:976:6018 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.848120][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.848318][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.848531][ T32] Call trace: [ 1346.848658][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.848776][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.848827][ T32] r4:00000000 [ 1346.848871][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.848978][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.849051][ T32] dd20: 97fe2000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.849115][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.849169][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.849250][ T32] r5:80070013 r4:80239bb0 [ 1346.849307][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.849427][ T32] r4:82ac11a4 [ 1346.849480][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.849572][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.849620][ T32] r4:e884ddc0 [ 1346.849666][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.850235][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.850326][ T32] r4:00000000 [ 1346.850370][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.850472][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 3 printk messages dropped ** [ 1346.850738][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1346.851168][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 10 printk messages dropped ** [ 1346.851866][ T32] INFO: task kworker/1:977:6019 blocked for more than 473 seconds. ** 8 printk messages dropped ** [ 1346.852544][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 7 printk messages dropped ** [ 1346.853092][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1346.853667][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.853765][ T32] r5:8590f38c r4:8590f000 ** 2 printk messages dropped ** [ 1346.853983][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1346.854585][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1346.855851][ T32] Call trace: ** 5 printk messages dropped ** [ 1346.856336][ T32] dd20: 97fe2000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 6 printk messages dropped ** [ 1346.856793][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 5 printk messages dropped ** [ 1346.857276][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.857329][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.857407][ T32] r5:00001000 r4:e884f000 [ 1346.857445][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.857517][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.857592][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.857630][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.857715][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.857753][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.857835][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.857888][ T32] r4:8454db00 [ 1346.857926][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.858005][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.858071][ T32] r4:00000001 [ 1346.858113][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.858235][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1346.858295][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.858350][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.858400][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.858452][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.858493][ T32] r4:84e5aa80 [ 1346.858532][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1346.858579][ T32] INFO: task kworker/1:978:6021 blocked for more than 473 seconds. [ 1346.858632][ T32] Not tainted 6.15.0-syzkaller #0 [ 1346.858674][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1346.858713][ T32] task:kworker/1:978 state:D stack:0 pid:6021 tgid:6021 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.858836][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.858953][ T32] Call trace: [ 1346.859012][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1346.859131][ T32] r10:8291880c r9:ec921d84 r8:00000002 r7:60000113 r6:ec921d8c r5:8502e000 [ 1346.859185][ T32] r4:8502e000 [ 1346.859222][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1346.859324][ T32] r5:8502e000 r4:82918808 [ 1346.859398][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1346.859499][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1346.859591][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec921e08 [ 1346.859639][ T32] r4:00000000 [ 1346.859682][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1346.880385][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1346.880647][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.880752][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85943c80 [ 1346.880807][ T32] r4:00000000 [ 1346.880849][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.880946][ T32] r9:83018205 r8:8502e000 r7:00000000 r6:83018200 r5:00001000 r4:7f067000 [ 1346.880996][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.881088][ T32] r5:00001000 r4:eb9cd000 [ 1346.881135][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.881212][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.881303][ T32] r5:8590ef8c r4:8590ec00 [ 1346.881370][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.881474][ T32] r7:ddde2d80 r6:83018200 r5:8590ef8c r4:85864f00 [ 1346.881525][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.881633][ T32] r10:61c88647 r9:8502e000 r8:85864f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.881712][ T32] r4:85864f00 [ 1346.881760][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.881857][ T32] r10:00000000 r9:85864f00 r8:8027f5e8 r7:ec99de60 r6:85948980 r5:8502e000 [ 1346.881911][ T32] r4:00000001 [ 1346.881957][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.882077][ T32] Exception stack(0xec921fb0 to 0xec921ff8) [ 1346.882169][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1346.883382][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 1 printk messages dropped ** [ 1346.883661][ T32] Call trace: [ 1346.883762][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.883884][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.883951][ T32] r4:00000000 [ 1346.883999][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.884092][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.884160][ T32] dd20: 98412000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.884225][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.884281][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.884355][ T32] r5:80070013 r4:80239bb0 [ 1346.884410][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.884496][ T32] r4:82ac11a4 [ 1346.884517][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.884615][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.884669][ T32] r4:e884ddc0 [ 1346.884711][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.884805][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.884857][ T32] r4:00000000 [ 1346.884904][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.885001][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.885066][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.885173][ T32] r5:00001000 r4:e884f000 [ 1346.885232][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.885316][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.885421][ T32] r5:84fe9f8c r4:84fe9c00 [ 1346.885485][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.885615][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1346.885674][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.885778][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.885825][ T32] r4:8454db00 [ 1346.885867][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.885955][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1346.886020][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1346.886277][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1346.886722][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1346.887358][ T32] r4:8502ec00 ** 4 printk messages dropped ** [ 1346.887780][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec989e08 ** 9 printk messages dropped ** [ 1346.888646][ T32] r5:00001000 r4:eb845000 ** 1 printk messages dropped ** [ 1346.888784][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.888863][ T32] r5:858a478c r4:858a4400 ** 2 printk messages dropped ** [ 1346.889127][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1346.889474][ T32] r10:00000000 r9:85948a00 r8:8027f5e8 r7:ec905e60 r6:85948a80 r5:8502ec00 [ 1346.889523][ T32] r4:00000001 [ 1346.889584][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.889678][ T32] Exception stack(0xec989fb0 to 0xec989ff8) [ 1346.889809][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1346.926350][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.926493][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.926575][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.926635][ T32] r4:85940140 [ 1346.927538][ T32] INFO: task kworker/0:462:6024 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.927649][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.927831][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.927957][ T32] Call trace: [ 1346.928088][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.928204][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.928299][ T32] r4:00000000 [ 1346.928367][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.928469][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.928543][ T32] dd20: 9897b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.928608][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.928675][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.928750][ T32] r5:80070013 r4:80239bb0 [ 1346.928804][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.928902][ T32] r4:82ac11a4 [ 1346.928949][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.929057][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.929112][ T32] r4:e884ddc0 [ 1346.929157][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.929253][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.929305][ T32] r4:00000000 [ 1346.929351][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.929449][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.929502][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.929599][ T32] r5:00001000 r4:e884f000 [ 1346.929648][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.929728][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.938445][ T32] r5:84fe9f8c r4:84fe9c00 ** 3 printk messages dropped ** [ 1346.938794][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1346.939571][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1346.945132][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 9 printk messages dropped ** [ 1346.945975][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1346.946820][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.946907][ T32] r5:858a4f8c r4:858a4c00 [ 1346.946970][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1346.947524][ T32] r10:00000000 r9:85948b00 r8:8027f5e8 r7:ec905e60 r6:85948b80 r5:8502bc00 ** 6 printk messages dropped ** [ 1346.948026][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1346.970585][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 5 printk messages dropped ** [ 1346.971121][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1346.971749][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 8 printk messages dropped ** [ 1346.972619][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1346.973316][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1346.973911][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1346.974617][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1346.974970][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.975086][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85943fc0 [ 1346.975138][ T32] r4:00000000 [ 1346.975205][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.975335][ T32] r9:83018205 r8:84e88000 r7:00000000 r6:83018200 r5:00001000 r4:7f069000 [ 1346.975420][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1346.975531][ T32] r5:00001000 r4:eba19000 [ 1346.975584][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1346.975665][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1346.975781][ T32] r5:858a4b8c r4:858a4800 [ 1346.975836][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1346.975928][ T32] r7:ddde2d80 r6:83018200 r5:858a4b8c r4:85864f80 [ 1346.975978][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1346.976083][ T32] r10:61c88647 r9:84e88000 r8:85864fac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1346.976139][ T32] r4:85864f80 [ 1346.976184][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1346.976281][ T32] r10:00000000 r9:85864f80 r8:8027f5e8 r7:ec99de60 r6:85948c00 r5:84e88000 [ 1346.976365][ T32] r4:00000001 [ 1346.976421][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1346.976508][ T32] Exception stack(0xec9bdfb0 to 0xec9bdff8) [ 1346.976582][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1346.976645][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1346.976706][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1346.976772][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1346.976821][ T32] r4:859433c0 [ 1346.977709][ T32] INFO: task kworker/1:979:6027 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1346.977788][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1346.977907][ T32] Workqueue: events bpf_prog_free_deferred [ 1346.978010][ T32] Call trace: [ 1346.978120][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1346.978286][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1346.978357][ T32] r4:00000000 [ 1346.978421][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1346.978516][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1346.978594][ T32] dd20: 98ca0000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1346.978670][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1346.978728][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1346.978782][ T32] r5:80070013 r4:80239bb0 [ 1346.978830][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1346.978925][ T32] r4:82ac11a4 [ 1346.978973][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1346.979078][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1346.979172][ T32] r4:e884ddc0 [ 1346.979239][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1346.979359][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1346.979416][ T32] r4:00000000 [ 1346.979478][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1346.979599][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1346.979787][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.010062][ T32] r5:00001000 r4:e884f000 [ 1347.010220][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.011764][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.011896][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.012023][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.012145][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.012231][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.012337][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.012436][ T32] r4:8454db00 [ 1347.012552][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.012668][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1347.012743][ T32] r4:00000001 [ 1347.012842][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.012930][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1347.013043][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.013170][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.013241][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.013305][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.013357][ T32] r4:84e5aa80 [ 1347.013407][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.013469][ T32] INFO: task kworker/1:980:6030 blocked for more than 473 seconds. [ 1347.013543][ T32] Not tainted 6.15.0-syzkaller #0 [ 1347.013619][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.013685][ T32] task:kworker/1:980 state:D stack:0 pid:6030 tgid:6030 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.013801][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.013953][ T32] Call trace: [ 1347.014138][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1347.014311][ T32] r10:8291880c r9:ec9e5d84 r8:00000002 r7:60000113 r6:ec9e5d8c r5:84e88c00 [ 1347.014370][ T32] r4:84e88c00 [ 1347.014438][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1347.014536][ T32] r5:84e88c00 r4:82918808 [ 1347.014637][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.014842][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.014943][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec9e5e08 [ 1347.014995][ T32] r4:00000000 [ 1347.015050][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1347.015163][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1347.015290][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.015397][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859362c0 [ 1347.015501][ T32] r4:00000000 [ 1347.015558][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.015659][ T32] r9:83018205 r8:84e88c00 r7:00000000 r6:83018200 r5:00001000 r4:7f06d000 [ 1347.015706][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.015856][ T32] r5:00001000 r4:ebaab000 [ 1347.015963][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.016063][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.016171][ T32] r5:8590f78c r4:8590f400 [ 1347.016222][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.016318][ T32] r7:ddde2d80 r6:83018200 r5:8590f78c r4:85935000 [ 1347.016402][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.016512][ T32] r10:61c88647 r9:84e88c00 r8:8593502c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.016563][ T32] r4:85935000 ** 1 printk messages dropped ** [ 1347.016734][ T32] r10:00000000 r9:85935000 r8:8027f5e8 r7:ec99de60 r6:85948c80 r5:84e88c00 ** 9 printk messages dropped ** [ 1347.018322][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1347.019706][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1347.045831][ T32] r4:e884ddc0 ** 5 printk messages dropped ** [ 1347.046309][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1347.047084][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1347.048013][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1347.049176][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1347.065961][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 5 printk messages dropped ** [ 1347.066545][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85936480 ** 7 printk messages dropped ** [ 1347.067315][ T32] r5:8590fb8c r4:8590f800 [ 1347.067362][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1347.067924][ T32] r10:00000000 r9:85935080 r8:8027f5e8 r7:ec9e5e60 r6:85948d00 r5:84e8a400 ** 7 printk messages dropped ** [ 1347.068507][ T32] r4:85936140 [ 1347.069391][ T32] INFO: task kworker/1:981:6032 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1347.069589][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.069851][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.079618][ T32] Call trace: [ 1347.080406][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.080565][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.080642][ T32] r4:00000000 [ 1347.080697][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.080785][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.080915][ T32] dd20: 996d0000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.080988][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.081122][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.081184][ T32] r5:80070013 r4:80239bb0 [ 1347.081231][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.081330][ T32] r4:82ac11a4 [ 1347.081376][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.081473][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1347.081568][ T32] r4:e884ddc0 [ 1347.081767][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.081870][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1347.081971][ T32] r4:00000000 [ 1347.082022][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.082129][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.082177][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.082401][ T32] r5:00001000 r4:e884f000 [ 1347.082455][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.082625][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.082850][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.082956][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.083067][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.083179][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.083281][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.083468][ T32] r4:8454db00 [ 1347.083577][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.083679][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1347.083730][ T32] r4:00000001 [ 1347.083904][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.084017][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1347.084125][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.084193][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.084286][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.084408][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.084529][ T32] r4:84e5aa80 [ 1347.084631][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.084740][ T32] INFO: task kworker/1:982:6033 blocked for more than 473 seconds. [ 1347.084852][ T32] Not tainted 6.15.0-syzkaller #0 [ 1347.084917][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.085039][ T32] task:kworker/1:982 state:D stack:0 pid:6033 tgid:6033 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.085223][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.085320][ T32] Call trace: [ 1347.085460][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1347.085566][ T32] r10:8291880c r9:eca05d84 r8:00000002 r7:60000013 r6:eca05d8c r5:84e8b000 [ 1347.085617][ T32] r4:84e8b000 [ 1347.085663][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1347.085747][ T32] r5:84e8b000 r4:82918808 [ 1347.085791][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.085869][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.086044][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca05e08 [ 1347.086101][ T32] r4:00000000 [ 1347.086147][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1347.086300][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1347.086398][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.086488][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85936700 [ 1347.086586][ T32] r4:00000000 [ 1347.086701][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.086802][ T32] r9:83018205 r8:84e8b000 r7:00000000 r6:83018200 r5:00001000 r4:7f073000 [ 1347.086850][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.086937][ T32] r5:00001000 r4:ec503000 [ 1347.086981][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.087122][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.087216][ T32] r5:8591038c r4:85910000 [ 1347.087261][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.087354][ T32] r7:ddde2d80 r6:83018200 r5:8591038c r4:85935100 [ 1347.087399][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1347.087680][ T32] r10:00000000 r9:85935100 r8:8027f5e8 r7:ec9f1e60 r6:85948d80 r5:84e8b000 ** 9 printk messages dropped ** [ 1347.089231][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1347.121000][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1347.121514][ T32] r4:e884ddc0 ** 6 printk messages dropped ** [ 1347.121993][ T32] r5:00001000 r4:e884f000 ** 6 printk messages dropped ** [ 1347.122550][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1347.123265][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1347.124072][ T32] r10:8291880c r9:eca1dd84 r8:00000002 r7:60000013 r6:eca1dd8c r5:84e8c800 ** 6 printk messages dropped ** [ 1347.124643][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1347.125012][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85936580 ** 7 printk messages dropped ** [ 1347.125640][ T32] r5:8590ff8c r4:8590fc00 [ 1347.125687][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.125777][ T32] r7:ddde2d80 r6:83018200 r5:8590ff8c r4:85935180 [ 1347.125871][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.125974][ T32] r10:61c88647 r9:84e8c800 r8:859351ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.126024][ T32] r4:85935180 [ 1347.126077][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.126170][ T32] r10:00000000 r9:85935180 r8:8027f5e8 r7:eca05e60 r6:85948e00 r5:84e8c800 [ 1347.126250][ T32] r4:00000001 [ 1347.126296][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.126377][ T32] Exception stack(0xeca1dfb0 to 0xeca1dff8) [ 1347.126436][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.126498][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.126557][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.126620][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.126667][ T32] r4:85936440 [ 1347.127581][ T32] INFO: task kworker/1:983:6035 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1347.127650][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.127808][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.127902][ T32] Call trace: [ 1347.127995][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.128103][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.128154][ T32] r4:00000000 [ 1347.128198][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.128277][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.128356][ T32] dd20: 99ac1000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.128439][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.128540][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.128599][ T32] r5:80070013 r4:80239bb0 [ 1347.128643][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.128733][ T32] r4:82ac11a4 [ 1347.128778][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.128870][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1347.128919][ T32] r4:e884ddc0 [ 1347.128961][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.129053][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1347.129106][ T32] r4:00000000 [ 1347.129148][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.129258][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.129324][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.129442][ T32] r5:00001000 r4:e884f000 [ 1347.129501][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.129589][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.129706][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.129757][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.164950][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.165062][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.165208][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.165263][ T32] r4:8454db00 [ 1347.165310][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.165408][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1347.165488][ T32] r4:00000001 [ 1347.165542][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.165628][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1347.165691][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.165755][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.165848][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.165919][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.165968][ T32] r4:84e5aa80 [ 1347.166048][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.166151][ T32] INFO: task kworker/1:984:6037 blocked for more than 473 seconds. [ 1347.166281][ T32] Not tainted 6.15.0-syzkaller #0 [ 1347.166374][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.166431][ T32] task:kworker/1:984 state:D stack:0 pid:6037 tgid:6037 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.166568][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1347.166848][ T32] r10:8291880c r9:ecaa9d84 r8:00000002 r7:60000013 r6:ecaa9d8c r5:84e8bc00 ** 5 printk messages dropped ** [ 1347.167321][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecaa9e08 ** 9 printk messages dropped ** [ 1347.168167][ T32] r5:00001000 r4:ec757000 ** 2 printk messages dropped ** [ 1347.168386][ T32] r5:8591278c r4:85912400 [ 1347.168451][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1347.168965][ T32] r10:00000000 r9:85935200 r8:8027f5e8 r7:eca05e60 r6:85948e80 r5:84e8bc00 ** 7 printk messages dropped ** [ 1347.169708][ T32] r4:85936600 ** 2 printk messages dropped ** [ 1347.181731][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1347.182476][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 6 printk messages dropped ** [ 1347.182960][ T32] r4:e884ddc0 ** 2 printk messages dropped ** [ 1347.183188][ T32] r4:00000000 [ 1347.183235][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.183337][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.183386][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.183480][ T32] r5:00001000 r4:e884f000 [ 1347.183527][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.183610][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.183700][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.183746][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.183871][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.183942][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.184050][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.184102][ T32] r4:8454db00 [ 1347.184146][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.184241][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1347.184291][ T32] r4:00000001 [ 1347.184337][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.184414][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1347.184471][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.184562][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.184630][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.184719][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.184775][ T32] r4:84e5aa80 [ 1347.184853][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.184919][ T32] INFO: task kworker/1:985:6040 blocked for more than 473 seconds. [ 1347.184994][ T32] Not tainted 6.15.0-syzkaller #0 [ 1347.185059][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.185139][ T32] task:kworker/1:985 state:D stack:0 pid:6040 tgid:6040 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.185243][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.185334][ T32] Call trace: [ 1347.185404][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1347.185503][ T32] r10:8291880c r9:ecab5d84 r8:00000002 r7:60000113 r6:ecab5d8c r5:84e8d400 [ 1347.185553][ T32] r4:84e8d400 [ 1347.185598][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1347.185682][ T32] r5:84e8d400 r4:82918808 [ 1347.185726][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.185803][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.185893][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecab5e08 [ 1347.185943][ T32] r4:00000000 [ 1347.186014][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1347.186104][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1347.186185][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.186319][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85936840 [ 1347.186392][ T32] r4:00000000 [ 1347.186443][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.186552][ T32] r9:83018205 r8:84e8d400 r7:00000000 r6:83018200 r5:00001000 r4:7f075000 [ 1347.186605][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.186692][ T32] r5:00001000 r4:ec523000 [ 1347.186786][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.186874][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.186962][ T32] r5:8591078c r4:85910400 [ 1347.187044][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.187144][ T32] r7:ddde2d80 r6:83018200 r5:8591078c r4:85935280 [ 1347.187191][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.187290][ T32] r10:61c88647 r9:84e8d400 r8:859352ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.187342][ T32] r4:85935280 [ 1347.187414][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.187514][ T32] r10:00000000 r9:85935280 r8:8027f5e8 r7:ecaa9e60 r6:85948f00 r5:84e8d400 [ 1347.187593][ T32] r4:00000001 [ 1347.187672][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.187785][ T32] Exception stack(0xecab5fb0 to 0xecab5ff8) [ 1347.187848][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1347.187939][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.188092][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.188162][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 2 printk messages dropped ** [ 1347.188913][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.189058][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.189196][ T32] Call trace: [ 1347.189270][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.189378][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.189431][ T32] r4:00000000 [ 1347.189477][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.189557][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.189619][ T32] dd20: 99ff0000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.189709][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.217271][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.217439][ T32] r5:80070013 r4:80239bb0 [ 1347.217528][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.217669][ T32] r4:82ac11a4 [ 1347.217721][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.217852][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1347.217939][ T32] r4:e884ddc0 [ 1347.217995][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.218109][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1347.218167][ T32] r4:00000000 [ 1347.218301][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.218413][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.218481][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.218586][ T32] r5:00001000 r4:e884f000 [ 1347.218635][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.218738][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.218835][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.218880][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.218980][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 2 printk messages dropped ** [ 1347.219238][ T32] r4:8454db00 ** 4 printk messages dropped ** [ 1347.219685][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 5 printk messages dropped ** [ 1347.235466][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1347.236306][ T32] r4:84e8e000 ** 4 printk messages dropped ** [ 1347.236722][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecab9e08 ** 7 printk messages dropped ** [ 1347.237396][ T32] r9:83018205 r8:84e8e000 r7:00000000 r6:83018200 r5:00001000 r4:7f077000 ** 4 printk messages dropped ** [ 1347.237755][ T32] r5:85910b8c r4:85910800 [ 1347.237804][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.237906][ T32] r7:ddde2d80 r6:83018200 r5:85910b8c r4:85935300 ** 1 printk messages dropped ** [ 1347.238068][ T32] r10:61c88647 r9:84e8e000 r8:8593532c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1347.238912][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1347.251753][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1347.252147][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1347.252565][ T32] r4:e884ddc0 ** 4 printk messages dropped ** [ 1347.252992][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 9 printk messages dropped ** [ 1347.253865][ T32] r4:8454db00 ** 2 printk messages dropped ** [ 1347.254069][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1347.254573][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1347.255478][ T32] r10:8291880c r9:ecac1d84 r8:00000002 r7:60000113 r6:ecac1d8c r5:84e8ec00 ** 8 printk messages dropped ** [ 1347.256211][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 7 printk messages dropped ** [ 1347.256789][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1347.257006][ T32] r5:85910f8c r4:85910c00 ** 2 printk messages dropped ** [ 1347.257204][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.257299][ T32] r10:61c88647 r9:84e8ec00 r8:859353ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.257354][ T32] r4:85935380 [ 1347.257403][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.257498][ T32] r10:00000000 r9:85935380 r8:8027f5e8 r7:ecaa9e60 r6:8594d000 r5:84e8ec00 [ 1347.257547][ T32] r4:00000001 [ 1347.257598][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.257677][ T32] Exception stack(0xecac1fb0 to 0xecac1ff8) [ 1347.257734][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1347.257803][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.257866][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.257932][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.257986][ T32] r4:859368c0 [ 1347.258803][ T32] INFO: task kworker/1:987:6043 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1347.258905][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.259059][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.259159][ T32] Call trace: [ 1347.259231][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.259345][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.259406][ T32] r4:00000000 [ 1347.259455][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.259539][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.259600][ T32] dd20: 9a72d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.259663][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.259722][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.281886][ T32] r5:80070013 r4:80239bb0 [ 1347.281968][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.282048][ T32] r4:82ac11a4 [ 1347.282072][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.282121][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1347.282145][ T32] r4:e884ddc0 [ 1347.282212][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.282299][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1347.282326][ T32] r4:00000000 [ 1347.282348][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.282394][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.282415][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.282458][ T32] r5:00001000 r4:e884f000 [ 1347.282481][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.282536][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.282587][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.282608][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.282673][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.282698][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.282746][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.282768][ T32] r4:8454db00 [ 1347.282787][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.282831][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1347.282870][ T32] r4:00000001 [ 1347.282893][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.282931][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1347.282960][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.282987][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.283013][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.283047][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.283070][ T32] r4:84e5aa80 [ 1347.283092][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.283122][ T32] INFO: task kworker/1:988:6046 blocked for more than 473 seconds. [ 1347.283177][ T32] Not tainted 6.15.0-syzkaller #0 [ 1347.283292][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.283324][ T32] task:kworker/1:988 state:D stack:0 pid:6046 tgid:6046 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1347.283566][ T32] r4:84c51800 ** 4 printk messages dropped ** [ 1347.283762][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecacde08 ** 7 printk messages dropped ** [ 1347.284060][ T32] r9:83018205 r8:84c51800 r7:00000000 r6:83018200 r5:00001000 r4:7f07b000 ** 4 printk messages dropped ** [ 1347.284255][ T32] r5:8591138c r4:85911000 [ 1347.284275][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.284357][ T32] r7:ddde2d80 r6:83018200 r5:8591138c r4:85935400 ** 1 printk messages dropped ** [ 1347.284446][ T32] r10:61c88647 r9:84c51800 r8:8593542c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1347.284739][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1347.285408][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1347.285668][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 5 printk messages dropped ** [ 1347.285885][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1347.286073][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 9 printk messages dropped ** [ 1347.286439][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1347.286680][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1347.286883][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1347.287131][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1347.287414][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1347.287725][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1347.288039][ T32] r5:8591178c r4:85911400 [ 1347.288063][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.288108][ T32] r7:ddde2d80 r6:83018200 r5:8591178c r4:85935480 ** 4 printk messages dropped ** [ 1347.288267][ T32] r10:00000000 r9:85935480 r8:8027f5e8 r7:ecaa9e60 r6:8594d100 r5:84c50000 ** 9 printk messages dropped ** [ 1347.289309][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1347.313176][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1347.313746][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 9 printk messages dropped ** [ 1347.314641][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 7 printk messages dropped ** [ 1347.315193][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1347.315253][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.315320][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.315382][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.315446][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.315518][ T32] r4:84e5aa80 [ 1347.315579][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.315644][ T32] INFO: task kworker/1:990:6049 blocked for more than 473 seconds. [ 1347.315725][ T32] Not tainted 6.15.0-syzkaller #0 [ 1347.315781][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.315834][ T32] task:kworker/1:990 state:D stack:0 pid:6049 tgid:6049 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.315954][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.316064][ T32] Call trace: [ 1347.316160][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1347.316275][ T32] r10:8291880c r9:ecad9d84 r8:00000002 r7:60000113 r6:ecad9d8c r5:84c53000 [ 1347.316330][ T32] r4:84c53000 [ 1347.316374][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1347.316459][ T32] r5:84c53000 r4:82918808 [ 1347.316503][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.316584][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.316669][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecad9e08 [ 1347.316750][ T32] r4:00000000 [ 1347.316824][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1347.316919][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1347.316999][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.317101][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85936e80 [ 1347.317171][ T32] r4:00000000 [ 1347.317225][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.317352][ T32] r9:83018205 r8:84c53000 r7:00000000 r6:83018200 r5:00001000 r4:7f07f000 [ 1347.317407][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.317504][ T32] r5:00001000 r4:ec6d3000 [ 1347.317551][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.317637][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.317727][ T32] r5:85911b8c r4:85911800 [ 1347.317778][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.317874][ T32] r7:ddde2d80 r6:83018200 r5:85911b8c r4:85935500 [ 1347.317937][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.318051][ T32] r10:61c88647 r9:84c53000 r8:8593552c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.318117][ T32] r4:85935500 [ 1347.318161][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.318282][ T32] r10:00000000 r9:85935500 r8:8027f5e8 r7:ecaa9e60 r6:8594d180 r5:84c53000 [ 1347.318312][ T32] r4:00000001 [ 1347.318333][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.318393][ T32] Exception stack(0xecad9fb0 to 0xecad9ff8) [ 1347.318446][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1347.318477][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.318504][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.318531][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.318553][ T32] r4:85936b80 [ 1347.319039][ T32] INFO: task kworker/1:990:6049 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1347.319074][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.319156][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.319204][ T32] Call trace: [ 1347.319271][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.319329][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.319362][ T32] r4:00000000 [ 1347.319393][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.319434][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.319462][ T32] dd20: 9af09000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.319490][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.319535][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.319563][ T32] r5:80070013 r4:80239bb0 [ 1347.319602][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.319650][ T32] r4:82ac11a4 [ 1347.319670][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.319716][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1347.336719][ T32] r4:e884ddc0 [ 1347.336799][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.336872][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1347.336910][ T32] r4:00000000 [ 1347.336934][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.336981][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.337003][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.337058][ T32] r5:00001000 r4:e884f000 [ 1347.337099][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.337148][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.337192][ T32] r5:84fe9f8c r4:84fe9c00 ** 2 printk messages dropped ** [ 1347.337279][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1347.337669][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1347.338010][ T32] Call trace: ** 6 printk messages dropped ** [ 1347.338452][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1347.339328][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1347.339695][ T32] r5:85911f8c r4:85911c00 ** 3 printk messages dropped ** [ 1347.353120][ T32] r10:61c88647 r9:84c52400 r8:859355ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.353168][ T32] r4:85935580 [ 1347.353191][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.353253][ T32] r10:00000000 r9:85935580 r8:8027f5e8 r7:ecaa9e60 r6:8594d200 r5:84c52400 [ 1347.353302][ T32] r4:00000001 [ 1347.353329][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.353370][ T32] Exception stack(0xecae1fb0 to 0xecae1ff8) [ 1347.353401][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1347.353431][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.353482][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.353514][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.353567][ T32] r4:85936c80 [ 1347.354064][ T32] INFO: task kworker/1:991:6051 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1347.354098][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.354206][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.354340][ T32] Call trace: [ 1347.354418][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.354492][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.354522][ T32] r4:00000000 [ 1347.354563][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.354603][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.354632][ T32] dd20: 9b750000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.354680][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.354708][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.354732][ T32] r5:80070013 r4:80239bb0 [ 1347.354772][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.354821][ T32] r4:82ac11a4 [ 1347.354842][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.354888][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1347.354929][ T32] r4:e884ddc0 [ 1347.354952][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.355017][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1347.355048][ T32] r4:00000000 [ 1347.355068][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.355112][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.355134][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 5 printk messages dropped ** [ 1347.355381][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 7 printk messages dropped ** [ 1347.355672][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 5 printk messages dropped ** [ 1347.355913][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1347.356365][ T32] r4:85826c00 ** 5 printk messages dropped ** [ 1347.356625][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1347.356756][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859433c0 ** 7 printk messages dropped ** [ 1347.357127][ T32] r5:8591238c r4:85912000 [ 1347.357151][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.357205][ T32] r7:ddde2d80 r6:83018200 r5:8591238c r4:85935600 ** 1 printk messages dropped ** [ 1347.357274][ T32] r10:61c88647 r9:85826c00 r8:8593562c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1347.357530][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1347.358132][ T32] Call trace: ** 4 printk messages dropped ** [ 1347.358428][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 7 printk messages dropped ** [ 1347.358661][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 12 printk messages dropped ** [ 1347.359181][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1347.359422][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1347.359571][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1347.375726][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1347.376186][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1347.376580][ T32] r9:83018205 r8:85824800 r7:00000000 r6:83018200 r5:00001000 r4:7f087000 ** 4 printk messages dropped ** [ 1347.376796][ T32] r5:85912b8c r4:85912800 [ 1347.376818][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1347.377067][ T32] r10:00000000 r9:85935700 r8:8027f5e8 r7:ecaa9e60 r6:85935780 r5:85824800 ** 9 printk messages dropped ** [ 1347.377960][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1347.378512][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1347.378733][ T32] r4:e884ddc0 [ 1347.378752][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.378815][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1347.378860][ T32] r4:00000000 [ 1347.378903][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.378951][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.378973][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.379014][ T32] r5:00001000 r4:e884f000 [ 1347.379039][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.379078][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.379118][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.379137][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.379181][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.379201][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.379244][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.379266][ T32] r4:8454db00 [ 1347.379285][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.379327][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1347.379390][ T32] r4:00000001 [ 1347.379432][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.379517][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1347.379546][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.379594][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.379623][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.379653][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.379674][ T32] r4:84e5aa80 [ 1347.379694][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.379721][ T32] INFO: task kworker/1:994:6057 blocked for more than 473 seconds. [ 1347.379790][ T32] Not tainted 6.15.0-syzkaller #0 [ 1347.391926][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.391973][ T32] task:kworker/1:994 state:D stack:0 pid:6057 tgid:6057 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.392042][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.392119][ T32] Call trace: [ 1347.392178][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1347.392240][ T32] r10:8291880c r9:ec9cdd84 r8:00000002 r7:60000013 r6:ec9cdd8c r5:85823c00 [ 1347.392267][ T32] r4:85823c00 [ 1347.392288][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1347.392327][ T32] r5:85823c00 r4:82918808 [ 1347.392347][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.392383][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.392424][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec9cde08 [ 1347.392446][ T32] r4:00000000 [ 1347.392464][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1347.392498][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1347.392558][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.392626][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859564c0 [ 1347.392672][ T32] r4:00000000 [ 1347.392714][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.392784][ T32] r9:83018205 r8:85823c00 r7:00000000 r6:83018200 r5:00001000 r4:7f089000 [ 1347.392811][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.392873][ T32] r5:00001000 r4:ec831000 [ 1347.392921][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.392985][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.393039][ T32] r5:85912f8c r4:85912c00 [ 1347.393061][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.393107][ T32] r7:ddde2d80 r6:83018200 r5:85912f8c r4:85935800 [ 1347.393127][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.393193][ T32] r10:61c88647 r9:85823c00 r8:8593582c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.393224][ T32] r4:85935800 [ 1347.393247][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.393314][ T32] r10:00000000 r9:85935800 r8:8027f5e8 r7:ecae5e60 r6:85935880 r5:85823c00 [ 1347.393339][ T32] r4:00000001 [ 1347.393379][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 1 printk messages dropped ** [ 1347.393473][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1347.394373][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 11 printk messages dropped ** [ 1347.394820][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 8 printk messages dropped ** [ 1347.395180][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1347.395636][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 8 printk messages dropped ** [ 1347.395946][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1347.396413][ T32] r4:85820000 ** 4 printk messages dropped ** [ 1347.396585][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecaede08 ** 8 printk messages dropped ** [ 1347.396925][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1347.397133][ T32] r5:8591338c r4:85913000 ** 2 printk messages dropped ** [ 1347.397237][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1347.397553][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1347.398347][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 11 printk messages dropped ** [ 1347.398818][ T32] r4:e884ddc0 ** 5 printk messages dropped ** [ 1347.399060][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 4 printk messages dropped ** [ 1347.399248][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.399314][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.399338][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.399383][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.399425][ T32] r4:8454db00 [ 1347.399468][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.399521][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1347.399544][ T32] r4:00000001 [ 1347.399593][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.399632][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1347.399657][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.399686][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.399713][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.399741][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.422578][ T32] r4:84e5aa80 [ 1347.422658][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.422695][ T32] INFO: task kworker/1:996:6061 blocked for more than 473 seconds. [ 1347.422732][ T32] Not tainted 6.15.0-syzkaller #0 [ 1347.422756][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.422785][ T32] task:kworker/1:996 state:D stack:0 pid:6061 tgid:6061 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.422860][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.422924][ T32] Call trace: [ 1347.422956][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1347.423012][ T32] r10:8291880c r9:ecaf1d84 r8:00000002 r7:60000113 r6:ecaf1d8c r5:85825400 [ 1347.423040][ T32] r4:85825400 [ 1347.423071][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1347.423120][ T32] r5:85825400 r4:82918808 [ 1347.423141][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.423179][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.423241][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecaf1e08 [ 1347.423266][ T32] r4:00000000 [ 1347.423288][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1347.423323][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1347.423366][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.423408][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85956a80 [ 1347.423429][ T32] r4:00000000 [ 1347.423453][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.423497][ T32] r9:83018205 r8:85825400 r7:00000000 r6:83018200 r5:00001000 r4:7f035000 [ 1347.423518][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.423557][ T32] r5:00001000 r4:dfafb000 [ 1347.423576][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.423613][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.423653][ T32] r5:8591378c r4:85913400 [ 1347.423677][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.423737][ T32] r7:ddde2d80 r6:83018200 r5:8591378c r4:85935a00 [ 1347.423762][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.423831][ T32] r10:61c88647 r9:85825400 r8:85935a2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.423869][ T32] r4:85935a00 [ 1347.423901][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.423949][ T32] r10:00000000 r9:85935a00 r8:8027f5e8 r7:ecaede60 r6:85935a80 r5:85825400 [ 1347.423975][ T32] r4:00000001 [ 1347.424006][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.424052][ T32] Exception stack(0xecaf1fb0 to 0xecaf1ff8) [ 1347.424079][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1347.424108][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.424154][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.424217][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.424242][ T32] r4:85956340 [ 1347.424721][ T32] INFO: task kworker/1:996:6061 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1347.424754][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.424869][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.424912][ T32] Call trace: [ 1347.424953][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.425003][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.425031][ T32] r4:00000000 [ 1347.425061][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.425113][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.425164][ T32] dd20: 9c4f4000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.425197][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 5 printk messages dropped ** [ 1347.425417][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 12 printk messages dropped ** [ 1347.425951][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1347.426226][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1347.426444][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1347.426539][ T32] r4:84e5aa80 [ 1347.426563][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.426610][ T32] INFO: task kworker/0:464:6063 blocked for more than 473 seconds. [ 1347.426665][ T32] Not tainted 6.15.0-syzkaller #0 [ 1347.426691][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.426713][ T32] task:kworker/0:464 state:D stack:0 pid:6063 tgid:6063 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.426818][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.426892][ T32] Call trace: [ 1347.426926][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1347.426974][ T32] r10:8291880c r9:ecb01d84 r8:00000002 r7:60000113 r6:ecb01d8c r5:847c8c00 [ 1347.426996][ T32] r4:847c8c00 [ 1347.427014][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1347.427062][ T32] r5:847c8c00 r4:82918808 [ 1347.427081][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.427116][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.427190][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb01e08 [ 1347.427216][ T32] r4:00000000 [ 1347.427235][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1347.427297][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1347.427339][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.427402][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b5c800 [ 1347.427428][ T32] r4:00000000 [ 1347.427447][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.427511][ T32] r9:83018005 r8:847c8c00 r7:00000000 r6:83018000 r5:00001000 r4:7f513000 [ 1347.427536][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.427610][ T32] r5:00001000 r4:eccff000 [ 1347.427653][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.427694][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.427734][ T32] r5:84e9e38c r4:84e9e000 [ 1347.427773][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.427840][ T32] r7:dddced80 r6:83018000 r5:84e9e38c r4:8594d280 [ 1347.427863][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.427929][ T32] r10:61c88647 r9:847c8c00 r8:8594d2ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1347.427956][ T32] r4:8594d280 [ 1347.427998][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.428060][ T32] r10:00000000 r9:8594d280 r8:8027f5e8 r7:ec905e60 r6:85935b00 r5:847c8c00 [ 1347.428087][ T32] r4:00000001 [ 1347.428106][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.428141][ T32] Exception stack(0xecb01fb0 to 0xecb01ff8) [ 1347.428167][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1347.428194][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.428219][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.428246][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.428267][ T32] r4:8595b340 [ 1347.428606][ T32] INFO: task kworker/0:464:6063 is blocked on a mutex likely owned by task kworker/1:174:3878. ** 3 printk messages dropped ** [ 1347.428829][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1347.429218][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1347.429397][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 7 printk messages dropped ** [ 1347.429703][ T32] r5:84fe9f8c r4:84fe9c00 ** 6 printk messages dropped ** [ 1347.443986][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 7 printk messages dropped ** [ 1347.444319][ T32] r4:84e5aa80 ** 5 printk messages dropped ** [ 1347.444590][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1347.444917][ T32] r5:847c9800 r4:82918808 ** 4 printk messages dropped ** [ 1347.445059][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 6 printk messages dropped ** [ 1347.445354][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 3 printk messages dropped ** [ 1347.445547][ T32] r5:858a5f8c r4:858a5c00 ** 4 printk messages dropped ** [ 1347.445745][ T32] r4:8594d300 ** 6 printk messages dropped ** [ 1347.445990][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1347.446792][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1347.447207][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1347.447357][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1347.447723][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1347.447954][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1347.448151][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.448190][ T32] task:kworker/1:997 state:D stack:0 pid:6068 tgid:6068 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.448262][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.448323][ T32] Call trace: [ 1347.448356][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1347.448403][ T32] r10:8291880c r9:ecafdd84 r8:00000002 r7:60000113 r6:ecafdd8c r5:847ca400 [ 1347.448444][ T32] r4:847ca400 [ 1347.448486][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1347.448528][ T32] r5:847ca400 r4:82918808 [ 1347.448570][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.448629][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.448677][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecafde08 [ 1347.448699][ T32] r4:00000000 [ 1347.448738][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1347.448776][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1347.448834][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.448881][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85956bc0 [ 1347.448903][ T32] r4:00000000 [ 1347.448922][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.448985][ T32] r9:83018205 r8:847ca400 r7:00000000 r6:83018200 r5:00001000 r4:7f037000 [ 1347.449009][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.449055][ T32] r5:00001000 r4:ea8b5000 [ 1347.449091][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.449133][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.449202][ T32] r5:85913b8c r4:85913800 [ 1347.449245][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.449293][ T32] r7:ddde2d80 r6:83018200 r5:85913b8c r4:85935c00 [ 1347.449322][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.449370][ T32] r10:61c88647 r9:847ca400 r8:85935c2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.449432][ T32] r4:85935c00 [ 1347.449454][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.449518][ T32] r10:00000000 r9:85935c00 r8:8027f5e8 r7:ecaf1e60 r6:85935c80 r5:847ca400 [ 1347.449543][ T32] r4:00000001 [ 1347.449562][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.449618][ T32] Exception stack(0xecafdfb0 to 0xecafdff8) [ 1347.449647][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.449701][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.449782][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.466449][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.466495][ T32] r4:85956900 [ 1347.466969][ T32] INFO: task kworker/1:997:6068 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1347.467005][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.467097][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.467176][ T32] Call trace: [ 1347.467230][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.467302][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.467330][ T32] r4:00000000 [ 1347.467350][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.467402][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.467443][ T32] dd20: 9cba1000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.467495][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.467524][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.467547][ T32] r5:80070013 r4:80239bb0 ** 3 printk messages dropped ** [ 1347.467725][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 9 printk messages dropped ** [ 1347.468068][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1347.468378][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 9 printk messages dropped ** [ 1347.468697][ T32] INFO: task kworker/1:998:6070 blocked for more than 473 seconds. ** 7 printk messages dropped ** [ 1347.469097][ T32] r4:847cb000 ** 4 printk messages dropped ** [ 1347.469276][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecaf9e08 ** 9 printk messages dropped ** [ 1347.469659][ T32] r5:00001000 r4:eb217000 ** 2 printk messages dropped ** [ 1347.480299][ T32] r5:8591c38c r4:8591c000 [ 1347.480361][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.480428][ T32] r7:ddde2d80 r6:83018200 r5:8591c38c r4:85935d00 [ 1347.480452][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.480498][ T32] r10:61c88647 r9:847cb000 r8:85935d2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.480521][ T32] r4:85935d00 [ 1347.480541][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.480586][ T32] r10:00000000 r9:85935d00 r8:8027f5e8 r7:ecafde60 r6:85935d80 r5:847cb000 [ 1347.480608][ T32] r4:00000001 [ 1347.480647][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.480690][ T32] Exception stack(0xecaf9fb0 to 0xecaf9ff8) [ 1347.480720][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1347.480749][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.480798][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.480831][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.480853][ T32] r4:85956a40 [ 1347.481323][ T32] INFO: task kworker/1:998:6070 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1347.481359][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.481423][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.481516][ T32] Call trace: [ 1347.481550][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.481600][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.481623][ T32] r4:00000000 [ 1347.481642][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.481678][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.481875][ T32] dd20: 9ccba000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.481981][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.482011][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.482040][ T32] r5:80070013 r4:80239bb0 [ 1347.482062][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.482108][ T32] r4:82ac11a4 [ 1347.482129][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.482175][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1347.482220][ T32] r4:e884ddc0 [ 1347.482241][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.482314][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1347.482340][ T32] r4:00000000 [ 1347.482424][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.482475][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.482498][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.482624][ T32] r5:00001000 r4:e884f000 [ 1347.482648][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.482689][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.482731][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.482751][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.482831][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.482879][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.482930][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.482953][ T32] r4:8454db00 [ 1347.482971][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.483013][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1347.483038][ T32] r4:00000001 [ 1347.483059][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.483095][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1347.483148][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.483182][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1347.483281][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 7 printk messages dropped ** [ 1347.483554][ T32] r10:8291880c r9:ec7f1d84 r8:00000002 r7:60000013 r6:ec7f1d8c r5:847cbc00 ** 7 printk messages dropped ** [ 1347.483791][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 10 printk messages dropped ** [ 1347.484290][ T32] r5:85913f8c r4:85913c00 [ 1347.484314][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1347.484451][ T32] r10:61c88647 r9:847cbc00 r8:85935e2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1347.484707][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1347.485446][ T32] r4:00000000 ** 7 printk messages dropped ** [ 1347.485765][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1347.485956][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1347.486242][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.486263][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.486310][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.486330][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.486388][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.486428][ T32] r4:8454db00 [ 1347.486455][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.486503][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1347.486526][ T32] r4:00000001 [ 1347.486573][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.486614][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1347.486654][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.486697][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.486752][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.486785][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.486835][ T32] r4:84e5aa80 [ 1347.486859][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.486885][ T32] INFO: task kworker/1:1000:6074 blocked for more than 473 seconds. [ 1347.486914][ T32] Not tainted 6.15.0-syzkaller #0 [ 1347.486970][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.487004][ T32] task:kworker/1:1000 state:D stack:0 pid:6074 tgid:6074 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.487060][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.487192][ T32] Call trace: [ 1347.487265][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1347.487315][ T32] r10:8291880c r9:ec855d84 r8:00000002 r7:60000113 r6:ec855d8c r5:847cc800 [ 1347.487339][ T32] r4:847cc800 [ 1347.487359][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1347.487404][ T32] r5:847cc800 r4:82918808 [ 1347.487451][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.487516][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.487590][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec855e08 [ 1347.487615][ T32] r4:00000000 [ 1347.487659][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1347.487722][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1347.487778][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.487825][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d5b3c0 [ 1347.487848][ T32] r4:00000000 [ 1347.487890][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.487938][ T32] r9:83018205 r8:847cc800 r7:00000000 r6:83018200 r5:00001000 r4:7f03d000 [ 1347.488000][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.488051][ T32] r5:00001000 r4:eb3c9000 [ 1347.488073][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.488112][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.488175][ T32] r5:8591c78c r4:8591c400 [ 1347.488220][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.488293][ T32] r7:ddde2d80 r6:83018200 r5:8591c78c r4:85935f00 [ 1347.488317][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.488362][ T32] r10:61c88647 r9:847cc800 r8:85935f2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.488385][ T32] r4:85935f00 [ 1347.488404][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.488446][ T32] r10:00000000 r9:85935f00 r8:8027f5e8 r7:ecaf9e60 r6:85935f80 r5:847cc800 [ 1347.488469][ T32] r4:00000001 [ 1347.488487][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.488523][ T32] Exception stack(0xec855fb0 to 0xec855ff8) [ 1347.488549][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1347.488576][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.488602][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.488690][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.488735][ T32] r4:85956d80 [ 1347.489035][ T32] INFO: task kworker/1:1000:6074 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1347.489069][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.489239][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.489348][ T32] Call trace: [ 1347.489383][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.489431][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.489453][ T32] r4:00000000 [ 1347.489472][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.489509][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.489537][ T32] dd20: 9ccba000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.489565][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.489606][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.489633][ T32] r5:80070013 r4:80239bb0 [ 1347.489655][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.527616][ T32] r4:82ac11a4 [ 1347.527683][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.527762][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1347.527789][ T32] r4:e884ddc0 [ 1347.527809][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.527855][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1347.527877][ T32] r4:00000000 [ 1347.528020][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.528077][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.528100][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.528145][ T32] r5:00001000 r4:e884f000 [ 1347.528164][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.528202][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.528263][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.528901][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.528955][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 4 printk messages dropped ** [ 1347.529227][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 8 printk messages dropped ** [ 1347.536899][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 10 printk messages dropped ** [ 1347.557882][ T32] r5:847cd400 r4:82918808 ** 5 printk messages dropped ** [ 1347.561052][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1347.572094][ T32] r5:8591cb8c r4:8591c800 [ 1347.572512][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1347.572696][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1347.575045][ T32] Exception stack(0xecaf5fb0 to 0xecaf5ff8) ** 7 printk messages dropped ** [ 1347.577480][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1347.578424][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.578486][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.578566][ T32] r5:80070013 r4:80239bb0 [ 1347.578853][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.580051][ T32] r4:82ac11a4 [ 1347.613191][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.613416][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1347.613475][ T32] r4:e884ddc0 [ 1347.613510][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.613593][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1347.613628][ T32] r4:00000000 [ 1347.613660][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.613878][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.614216][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.614304][ T32] r5:00001000 r4:e884f000 [ 1347.614338][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.614412][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.615256][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.615315][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.615401][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.615569][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.615665][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.616339][ T32] r4:8454db00 [ 1347.616378][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.616454][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1347.616531][ T32] r4:00000001 [ 1347.616874][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.617035][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1347.617091][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.617138][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.618169][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.618261][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.619708][ T32] r4:84e5aa80 [ 1347.649352][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.649608][ T32] INFO: task kworker/1:1002:6077 blocked for more than 474 seconds. [ 1347.649697][ T32] Not tainted 6.15.0-syzkaller #0 [ 1347.650432][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.650522][ T32] task:kworker/1:1002 state:D stack:0 pid:6077 tgid:6077 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1347.651229][ T32] r5:847ce000 r4:82918808 ** 5 printk messages dropped ** [ 1347.651616][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 9 printk messages dropped ** [ 1347.652485][ T32] r5:8591cf8c r4:8591cc00 [ 1347.652531][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 1 printk messages dropped ** [ 1347.652671][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1347.653356][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1347.654871][ T32] Call trace: ** 6 printk messages dropped ** [ 1347.655419][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 6 printk messages dropped ** [ 1347.655944][ T32] r4:e884ddc0 ** 7 printk messages dropped ** [ 1347.656620][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 9 printk messages dropped ** [ 1347.657485][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1347.657988][ T32] r4:84e5aa80 ** 5 printk messages dropped ** [ 1347.658525][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1347.659287][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ec895e08 ** 12 printk messages dropped ** [ 1347.691263][ T32] r5:8591d38c r4:8591d000 [ 1347.691336][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.691454][ T32] r7:ddde2d80 r6:83018200 r5:8591d38c r4:84dba200 [ 1347.691532][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.691648][ T32] r10:61c88647 r9:847cec00 r8:84dba22c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.691724][ T32] r4:84dba200 [ 1347.691782][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.691884][ T32] r10:00000000 r9:84dba200 r8:8027f5e8 r7:ec88de60 r6:84dba280 r5:847cec00 [ 1347.691939][ T32] r4:00000001 [ 1347.692035][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.692129][ T32] Exception stack(0xec895fb0 to 0xec895ff8) [ 1347.692199][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1347.692270][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.692335][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.692403][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.692454][ T32] r4:84ceb000 [ 1347.693282][ T32] INFO: task kworker/1:1003:6081 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1347.693401][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.693557][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.693673][ T32] Call trace: [ 1347.693787][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.693905][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.694006][ T32] r4:00000000 [ 1347.694136][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.694227][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.694275][ T32] dd20: 9db68000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.694324][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.694365][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.694483][ T32] r5:80070013 r4:80239bb0 [ 1347.694523][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.694598][ T32] r4:82ac11a4 [ 1347.694632][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.694708][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1347.694745][ T32] r4:e884ddc0 [ 1347.694776][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.694846][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1347.694881][ T32] r4:00000000 [ 1347.694913][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.694984][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.695040][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.695138][ T32] r5:00001000 r4:e884f000 [ 1347.695189][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.695275][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.695366][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.695416][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.695518][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.695570][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.695669][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 1 printk messages dropped ** [ 1347.695790][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1347.696475][ T32] r4:84e5aa80 ** 5 printk messages dropped ** [ 1347.696854][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1347.697542][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1347.698430][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1347.698650][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1347.698956][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1347.699578][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1347.722111][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1347.722730][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1347.723214][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1347.723579][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 9 printk messages dropped ** [ 1347.724435][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1347.724814][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1347.725293][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.725400][ T32] Call trace: [ 1347.725476][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1347.725576][ T32] r10:8291880c r9:eca45d84 r8:00000002 r7:60000013 r6:eca45d8c r5:85826000 [ 1347.725632][ T32] r4:85826000 [ 1347.725679][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1347.725771][ T32] r5:85826000 r4:82918808 [ 1347.725842][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1347.725932][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1347.726060][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eca45e08 [ 1347.726120][ T32] r4:00000000 [ 1347.726168][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1347.726287][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1347.726396][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.726531][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ceb4c0 [ 1347.726591][ T32] r4:00000000 [ 1347.726663][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.726783][ T32] r9:83018205 r8:85826000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000 [ 1347.726861][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.726964][ T32] r5:00001000 r4:ebb59000 [ 1347.727014][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.727112][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.727223][ T32] r5:8591db8c r4:8591d800 [ 1347.727279][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.727378][ T32] r7:ddde2d80 r6:83018200 r5:8591db8c r4:84dba400 [ 1347.727426][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.727526][ T32] r10:61c88647 r9:85826000 r8:84dba42c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.727579][ T32] r4:84dba400 [ 1347.727627][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.727746][ T32] r10:00000000 r9:84dba400 r8:8027f5e8 r7:eca2de60 r6:84dba480 r5:85826000 [ 1347.727808][ T32] r4:00000001 [ 1347.727862][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.727947][ T32] Exception stack(0xeca45fb0 to 0xeca45ff8) [ 1347.728066][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1347.728143][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.728205][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.728271][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.728328][ T32] r4:84ceb180 [ 1347.728978][ T32] INFO: task kworker/1:1005:6085 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1347.729123][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.729294][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.729402][ T32] Call trace: [ 1347.729480][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.729589][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.729706][ T32] r4:00000000 [ 1347.761446][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.761742][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.761821][ T32] dd20: 9df34000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.761957][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.762211][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.762284][ T32] r5:80070013 r4:80239bb0 [ 1347.762440][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.762554][ T32] r4:82ac11a4 [ 1347.762607][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.762731][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1347.762792][ T32] r4:e884ddc0 [ 1347.762842][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.762942][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1347.763159][ T32] r4:00000000 [ 1347.763229][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.763330][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.763387][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.763485][ T32] r5:00001000 r4:e884f000 [ 1347.763533][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.763621][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.763712][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.763762][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.763867][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.764002][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.764120][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.764219][ T32] r4:8454db00 [ 1347.764277][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 8 printk messages dropped ** [ 1347.765383][ T32] r4:84e5aa80 ** 5 printk messages dropped ** [ 1347.765955][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1347.766684][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1347.768087][ T32] r5:00001000 r4:ec3a7000 ** 1 printk messages dropped ** [ 1347.768366][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.768465][ T32] r5:8591df8c r4:8591dc00 [ 1347.768540][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.768643][ T32] r7:ddde2d80 r6:83018200 r5:8591df8c r4:84dba500 [ 1347.768692][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.768994][ T32] r10:61c88647 r9:84c50c00 r8:84dba52c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.769066][ T32] r4:84dba500 [ 1347.769117][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.769210][ T32] r10:00000000 r9:84dba500 r8:8027f5e8 r7:eca45e60 r6:8594d380 r5:84c50c00 [ 1347.769461][ T32] r4:00000001 [ 1347.769578][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.769916][ T32] Exception stack(0xecb09fb0 to 0xecb09ff8) [ 1347.790955][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1347.791071][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.791132][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.791202][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.791258][ T32] r4:84ceb340 [ 1347.792085][ T32] INFO: task kworker/1:1006:6086 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1347.792167][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.792727][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.793024][ T32] Call trace: [ 1347.793117][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.793235][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.793607][ T32] r4:00000000 [ 1347.793674][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.793762][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.794034][ T32] dd20: 9e055000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.794116][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.794216][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.794443][ T32] r5:80070013 r4:80239bb0 [ 1347.794661][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.794748][ T32] r4:82ac11a4 [ 1347.795349][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 3 printk messages dropped ** [ 1347.795696][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 10 printk messages dropped ** [ 1347.798225][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1347.799176][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1347.832613][ T32] task:kworker/1:1007 state:D stack:0 pid:6088 tgid:6088 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1347.835604][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1347.836771][ T32] r9:83018205 r8:84c54800 r7:00000000 r6:83018200 r5:00001000 r4:7f04d000 ** 3 printk messages dropped ** [ 1347.837341][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1347.838737][ T32] r4:84dba580 ** 7 printk messages dropped ** [ 1347.876046][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1347.878742][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 10 printk messages dropped ** [ 1347.899409][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 9 printk messages dropped ** [ 1347.911818][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1347.912701][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 9 printk messages dropped ** [ 1347.913728][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 8 printk messages dropped ** [ 1347.914975][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 10 printk messages dropped ** [ 1347.915801][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.916268][ T32] r5:00001000 r4:ec3c7000 [ 1347.916331][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.916440][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.916736][ T32] r5:8591e38c r4:8591e000 [ 1347.916796][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.917285][ T32] r7:ddde2d80 r6:83018200 r5:8591e38c r4:84dba600 [ 1347.917348][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.917453][ T32] r10:61c88647 r9:85968000 r8:84dba62c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.917507][ T32] r4:84dba600 [ 1347.917550][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.917651][ T32] r10:00000000 r9:84dba600 r8:8027f5e8 r7:ecb11e60 r6:84dba680 r5:85968000 [ 1347.917703][ T32] r4:00000001 [ 1347.917748][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.917826][ T32] Exception stack(0xeca79fb0 to 0xeca79ff8) [ 1347.917887][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1347.917948][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.918007][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.918081][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.918133][ T32] r4:84ceb440 [ 1347.919052][ T32] INFO: task kworker/1:1008:6089 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1347.919306][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.919618][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.919724][ T32] Call trace: [ 1347.941172][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.941355][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.941410][ T32] r4:00000000 [ 1347.941453][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.941535][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.941604][ T32] dd20: 9ea62000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.941673][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.941735][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.941793][ T32] r5:80070013 r4:80239bb0 [ 1347.941841][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.941946][ T32] r4:82ac11a4 [ 1347.941997][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.942113][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1347.942164][ T32] r4:e884ddc0 [ 1347.942254][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.942367][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1347.942421][ T32] r4:00000000 [ 1347.942467][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.942561][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.942613][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.942703][ T32] r5:00001000 r4:e884f000 [ 1347.942748][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.942835][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.942947][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.943002][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.943118][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.943170][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.943269][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.943325][ T32] r4:8454db00 [ 1347.943372][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.943502][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1347.943572][ T32] r4:00000001 [ 1347.943617][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.943699][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1347.943757][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.943820][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.943879][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.943943][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.943997][ T32] r4:84e5aa80 [ 1347.944083][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.944160][ T32] INFO: task kworker/1:1009:6092 blocked for more than 474 seconds. [ 1347.944238][ T32] Not tainted 6.15.0-syzkaller #0 [ 1347.944298][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.944359][ T32] task:kworker/1:1009 state:D stack:0 pid:6092 tgid:6092 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.944543][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1347.944969][ T32] r5:85968c00 r4:82918808 ** 5 printk messages dropped ** [ 1347.945312][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 8 printk messages dropped ** [ 1347.945810][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.945875][ T32] r5:8591ef8c r4:8591ec00 [ 1347.945954][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.946037][ T32] r7:ddde2d80 r6:83018200 r5:8591ef8c r4:84dba700 [ 1347.946071][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.946163][ T32] r10:61c88647 r9:85968c00 r8:84dba72c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.946296][ T32] r4:84dba700 [ 1347.946334][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.946422][ T32] r10:00000000 r9:84dba700 r8:8027f5e8 r7:ecb11e60 r6:84dba780 r5:85968c00 [ 1347.946461][ T32] r4:00000001 [ 1347.946493][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.946553][ T32] Exception stack(0xecb15fb0 to 0xecb15ff8) [ 1347.946609][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1347.946658][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.946727][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.946841][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.946882][ T32] r4:84ceb600 [ 1347.947703][ T32] INFO: task kworker/1:1009:6092 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1347.947756][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1347.947848][ T32] Workqueue: events bpf_prog_free_deferred [ 1347.947917][ T32] Call trace: [ 1347.947988][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1347.948072][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1347.948108][ T32] r4:00000000 [ 1347.948162][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1347.948226][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1347.948271][ T32] dd20: 9ea62000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1347.948333][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1347.948378][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1347.948417][ T32] r5:80070013 r4:80239bb0 [ 1347.948479][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1347.948564][ T32] r4:82ac11a4 [ 1347.948596][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1347.948676][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1347.948727][ T32] r4:e884ddc0 [ 1347.948763][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1347.948834][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1347.948869][ T32] r4:00000000 [ 1347.948901][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1347.948972][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1347.949023][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.949100][ T32] r5:00001000 r4:e884f000 [ 1347.949133][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.949195][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.949261][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.949295][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.949372][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.949404][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.949477][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.949511][ T32] r4:8454db00 [ 1347.949543][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.949612][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1347.949647][ T32] r4:00000001 [ 1347.949677][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.949784][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1347.977874][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.977967][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.978014][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1347.978330][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1347.978803][ T32] r10:8291880c r9:ecb19d84 r8:00000002 r7:60000113 r6:ecb19d8c r5:85969800 ** 10 printk messages dropped ** [ 1347.979433][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ceba80 ** 6 printk messages dropped ** [ 1347.987894][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1347.988216][ T32] r7:ddde2d80 r6:83018200 r5:8591eb8c r4:84dba800 ** 9 printk messages dropped ** [ 1347.988706][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1347.990709][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 11 printk messages dropped ** [ 1347.991471][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 6 printk messages dropped ** [ 1347.991931][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1347.992021][ T32] r5:00001000 r4:e884f000 [ 1347.992095][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1347.992188][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1347.992285][ T32] r5:84fe9f8c r4:84fe9c00 [ 1347.992340][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1347.992458][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1347.992512][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1347.992614][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1347.992668][ T32] r4:8454db00 [ 1347.992715][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1347.992835][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1347.992907][ T32] r4:00000001 [ 1347.992957][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1347.993046][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1347.993097][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1347.993145][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1347.993213][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1347.993267][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1347.993307][ T32] r4:84e5aa80 [ 1347.993375][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1347.993427][ T32] INFO: task kworker/1:1011:6096 blocked for more than 474 seconds. [ 1347.993480][ T32] Not tainted 6.15.0-syzkaller #0 [ 1347.993520][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1347.993553][ T32] task:kworker/1:1011 state:D stack:0 pid:6096 tgid:6096 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 1 printk messages dropped ** [ 1347.993695][ T32] Call trace: ** 6 printk messages dropped ** [ 1347.994049][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1347.994700][ T32] r5:00001000 r4:ec64b000 ** 1 printk messages dropped ** [ 1347.994818][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1347.995053][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1347.995611][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1347.997031][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 10 printk messages dropped ** [ 1347.997823][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 10 printk messages dropped ** [ 1347.998686][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1347.999121][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1347.999456][ T32] r4:84e5aa80 ** 5 printk messages dropped ** [ 1347.999792][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1348.031797][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1348.032157][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.032250][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84cebd80 [ 1348.032303][ T32] r4:00000000 [ 1348.032354][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.032454][ T32] r9:83018205 r8:8596b000 r7:00000000 r6:83018200 r5:00001000 r4:7f053000 [ 1348.032506][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.032602][ T32] r5:00001000 r4:ec47b000 [ 1348.032650][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.032737][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.032833][ T32] r5:8591f38c r4:8591f000 [ 1348.032880][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.032981][ T32] r7:ddde2d80 r6:83018200 r5:8591f38c r4:84dbaa00 [ 1348.033029][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.033135][ T32] r10:61c88647 r9:8596b000 r8:84dbaa2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.033186][ T32] r4:84dbaa00 [ 1348.033233][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.033327][ T32] r10:00000000 r9:84dbaa00 r8:8027f5e8 r7:eca25e60 r6:84dbaa80 r5:8596b000 [ 1348.033379][ T32] r4:00000001 [ 1348.033420][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.033485][ T32] Exception stack(0xecb1dfb0 to 0xecb1dff8) [ 1348.033534][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.033583][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.033626][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.033675][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.033711][ T32] r4:84cebc00 [ 1348.034550][ T32] INFO: task kworker/1:1012:6098 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.034608][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.034737][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.034809][ T32] Call trace: [ 1348.034859][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.034936][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.034972][ T32] r4:00000000 [ 1348.035006][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.035075][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.035120][ T32] dd20: 9f05b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.035166][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.035206][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.035244][ T32] r5:80070013 r4:80239bb0 [ 1348.035276][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.035349][ T32] r4:82ac11a4 [ 1348.035382][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.035459][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.035494][ T32] r4:e884ddc0 [ 1348.035526][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.035614][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.035668][ T32] r4:00000000 [ 1348.035703][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.035779][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.035833][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.035905][ T32] r5:00001000 r4:e884f000 [ 1348.035937][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.036000][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1348.036211][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1348.036633][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.036691][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.036742][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.036779][ T32] r4:84e5aa80 [ 1348.036826][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.036892][ T32] INFO: task kworker/1:1013:6100 blocked for more than 474 seconds. [ 1348.036948][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.036989][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.037041][ T32] task:kworker/1:1013 state:D stack:0 pid:6100 tgid:6100 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.037115][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.037179][ T32] Call trace: [ 1348.037226][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.037303][ T32] r10:8291880c r9:ecb25d84 r8:00000002 r7:60000113 r6:ecb25d8c r5:8596bc00 [ 1348.037341][ T32] r4:8596bc00 [ 1348.037371][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.037454][ T32] r5:8596bc00 r4:82918808 [ 1348.037490][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.037548][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.037615][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb25e08 [ 1348.037652][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1348.037801][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 7 printk messages dropped ** [ 1348.038252][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.038324][ T32] r5:8591f78c r4:8591f400 [ 1348.038358][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1348.038558][ T32] r10:61c88647 r9:8596bc00 r8:84dbab2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 11 printk messages dropped ** [ 1348.039584][ T32] INFO: task kworker/1:1013:6100 is blocked on a mutex likely owned by task kworker/1:174:3878. ** 10 printk messages dropped ** [ 1348.063286][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1348.063501][ T32] r4:e884ddc0 ** 6 printk messages dropped ** [ 1348.063758][ T32] r5:00001000 r4:e884f000 ** 2 printk messages dropped ** [ 1348.063864][ T32] r5:84fe9f8c r4:84fe9c00 ** 4 printk messages dropped ** [ 1348.064016][ T32] r4:8454db00 ** 6 printk messages dropped ** [ 1348.064239][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1348.064558][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1348.064845][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 6 printk messages dropped ** [ 1348.065092][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1348.065320][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.065362][ T32] r5:8591fb8c r4:8591f800 [ 1348.065408][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.065456][ T32] r7:ddde2d80 r6:83018200 r5:8591fb8c r4:84dbac00 [ 1348.065478][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.065548][ T32] r10:61c88647 r9:8596d400 r8:84dbac2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.065574][ T32] r4:84dbac00 [ 1348.065595][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.065638][ T32] r10:00000000 r9:84dbac00 r8:8027f5e8 r7:eca25e60 r6:84dbac80 r5:8596d400 [ 1348.065659][ T32] r4:00000001 [ 1348.065732][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.065780][ T32] Exception stack(0xecb21fb0 to 0xecb21ff8) [ 1348.065928][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1348.065963][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.066002][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.066035][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.066080][ T32] r4:84cebe40 [ 1348.066592][ T32] INFO: task kworker/1:1014:6101 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.066630][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.066689][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.066781][ T32] Call trace: [ 1348.066817][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.066893][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.066921][ T32] r4:00000000 [ 1348.066942][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.066980][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.067008][ T32] dd20: 9f2a7000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.067042][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.067069][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.067094][ T32] r5:80070013 r4:80239bb0 [ 1348.067114][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.067159][ T32] r4:82ac11a4 [ 1348.067179][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.067299][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.067326][ T32] r4:e884ddc0 [ 1348.067346][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.067424][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.067450][ T32] r4:00000000 [ 1348.067470][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.067515][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.067537][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.067578][ T32] r5:00001000 r4:e884f000 [ 1348.067598][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.067636][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.067678][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.067737][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.067789][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.067811][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.067856][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.067878][ T32] r4:8454db00 [ 1348.067897][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.067939][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.067999][ T32] r4:00000001 [ 1348.068024][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.068068][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.068095][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.068123][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.068172][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.068213][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.068235][ T32] r4:84e5aa80 [ 1348.068280][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.068312][ T32] INFO: task kworker/1:1015:6104 blocked for more than 474 seconds. [ 1348.068341][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.068364][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.068386][ T32] task:kworker/1:1015 state:D stack:0 pid:6104 tgid:6104 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.068429][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.068502][ T32] Call trace: [ 1348.068612][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.068664][ T32] r10:8291880c r9:ecb2dd84 r8:00000002 r7:60000013 r6:ecb2dd8c r5:8596c800 [ 1348.068686][ T32] r4:8596c800 [ 1348.068776][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.068820][ T32] r5:8596c800 r4:82918808 ** 1 printk messages dropped ** [ 1348.068877][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1348.069272][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 1 printk messages dropped ** [ 1348.069396][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1348.069539][ T32] r7:ddde2d80 r6:83018200 r5:8591ff8c r4:84dbad00 ** 6 printk messages dropped ** [ 1348.085140][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1348.085965][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1348.086382][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 10 printk messages dropped ** [ 1348.086799][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 10 printk messages dropped ** [ 1348.087327][ T32] r4:8454db00 [ 1348.087346][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.087390][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.087412][ T32] r4:00000001 [ 1348.087431][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.087493][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.087541][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.087574][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.087602][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.087630][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.087652][ T32] r4:84e5aa80 [ 1348.087672][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.087699][ T32] INFO: task kworker/1:1016:6105 blocked for more than 474 seconds. [ 1348.087758][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.087841][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.087868][ T32] task:kworker/1:1016 state:D stack:0 pid:6105 tgid:6105 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.087914][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.088083][ T32] Call trace: [ 1348.088129][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.088240][ T32] r10:8291880c r9:ecb31d84 r8:00000002 r7:60000113 r6:ecb31d8c r5:84c56000 [ 1348.088267][ T32] r4:84c56000 [ 1348.088292][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.088337][ T32] r5:84c56000 r4:82918808 [ 1348.088358][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.088395][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.088437][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb31e08 [ 1348.088464][ T32] r4:00000000 [ 1348.088515][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.088556][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.088625][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.088696][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859eb9c0 [ 1348.088804][ T32] r4:00000000 [ 1348.088871][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.088920][ T32] r9:83018205 r8:84c56000 r7:00000000 r6:83018200 r5:00001000 r4:7f08f000 ** 1 printk messages dropped ** [ 1348.088991][ T32] r5:00001000 r4:ec7a7000 [ 1348.089011][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.089054][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1348.089337][ T32] r10:61c88647 r9:84c56000 r8:84dbae2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1348.089727][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1348.108464][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 7 printk messages dropped ** [ 1348.108892][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 11 printk messages dropped ** [ 1348.109489][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1348.116490][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 9 printk messages dropped ** [ 1348.116859][ T32] task:kworker/1:1017 state:D stack:0 pid:6108 tgid:6108 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1348.117416][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1348.117618][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1348.117800][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1348.118021][ T32] r5:85a0c78c r4:85a0c400 ** 3 printk messages dropped ** [ 1348.118164][ T32] r10:61c88647 r9:8596e000 r8:84dbaeac r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1348.118592][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1348.119683][ T32] dd20: 9f77f000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 9 printk messages dropped ** [ 1348.133733][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1348.134270][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1348.134560][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.134590][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.134677][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.134704][ T32] r4:84e5aa80 [ 1348.134730][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.134761][ T32] INFO: task kworker/1:1018:6110 blocked for more than 474 seconds. [ 1348.134793][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.134817][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.134866][ T32] task:kworker/1:1018 state:D stack:0 pid:6110 tgid:6110 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.135111][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.135211][ T32] Call trace: [ 1348.135275][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.135332][ T32] r10:8291880c r9:ecb35d84 r8:00000002 r7:60000013 r6:ecb35d8c r5:8596ec00 [ 1348.135355][ T32] r4:8596ec00 [ 1348.135403][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.135447][ T32] r5:8596ec00 r4:82918808 [ 1348.135468][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.135629][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.135676][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb35e08 [ 1348.135699][ T32] r4:00000000 [ 1348.135718][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.135755][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.135792][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.135834][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859eb640 [ 1348.135855][ T32] r4:00000000 [ 1348.135874][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.135915][ T32] r9:83018205 r8:8596ec00 r7:00000000 r6:83018200 r5:00001000 r4:7f05f000 [ 1348.135989][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.136036][ T32] r5:00001000 r4:ec713000 [ 1348.136064][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.136117][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.136162][ T32] r5:85a0cb8c r4:85a0c800 [ 1348.136184][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.136227][ T32] r7:ddde2d80 r6:83018200 r5:85a0cb8c r4:84dbaf80 [ 1348.136247][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.136291][ T32] r10:61c88647 r9:8596ec00 r8:84dbafac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.136353][ T32] r4:84dbaf80 [ 1348.136377][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.136420][ T32] r10:00000000 r9:84dbaf80 r8:8027f5e8 r7:ecb31e60 r6:859e9000 r5:8596ec00 [ 1348.136445][ T32] r4:00000001 [ 1348.136639][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.136680][ T32] Exception stack(0xecb35fb0 to 0xecb35ff8) [ 1348.136706][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.136735][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.136761][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.136789][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.136810][ T32] r4:859eb3c0 [ 1348.137313][ T32] INFO: task kworker/1:1018:6110 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.137350][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.137408][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.137465][ T32] Call trace: [ 1348.137557][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.137665][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.137693][ T32] r4:00000000 [ 1348.137741][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.137783][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.137810][ T32] dd20: 9fa1d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.137838][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.137863][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.137887][ T32] r5:80070013 r4:80239bb0 [ 1348.137907][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.137989][ T32] r4:82ac11a4 [ 1348.138013][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.138067][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.138117][ T32] r4:e884ddc0 [ 1348.138140][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.138184][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.138428][ T32] r4:00000000 [ 1348.138453][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.138530][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.138581][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.138626][ T32] r5:00001000 r4:e884f000 [ 1348.138647][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.138687][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.138829][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.138854][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.139020][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.139131][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.139181][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.139242][ T32] r4:8454db00 [ 1348.139265][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.139310][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.139602][ T32] r4:00000001 [ 1348.139625][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.139661][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.139713][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.155543][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.155643][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.155679][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.155760][ T32] r4:84e5aa80 [ 1348.155880][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.155979][ T32] INFO: task kworker/1:1019:6112 blocked for more than 474 seconds. [ 1348.156020][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.156065][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.156095][ T32] task:kworker/1:1019 state:D stack:0 pid:6112 tgid:6112 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.156294][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.156356][ T32] Call trace: [ 1348.156391][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.156451][ T32] r10:8291880c r9:ecb39d84 r8:00000002 r7:60000113 r6:ecb39d8c r5:85970000 [ 1348.156476][ T32] r4:85970000 [ 1348.156599][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.156675][ T32] r5:85970000 r4:82918808 [ 1348.156700][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1348.156858][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1348.157171][ T32] r5:00001000 r4:ec75d000 [ 1348.157221][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.157265][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1348.157373][ T32] r7:ddde2d80 r6:83018200 r5:85a0cf8c r4:859e9080 ** 10 printk messages dropped ** [ 1348.157918][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1348.159011][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1348.159394][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1348.159817][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1348.175565][ T32] r5:84fe9f8c r4:84fe9c00 ** 4 printk messages dropped ** [ 1348.175736][ T32] r4:8454db00 ** 5 printk messages dropped ** [ 1348.176097][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1348.176697][ T32] task:kworker/1:1020 state:D stack:0 pid:6114 tgid:6114 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 11 printk messages dropped ** [ 1348.177680][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1348.178042][ T32] r5:00001000 r4:ec7b9000 [ 1348.178068][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1348.178150][ T32] r5:85a0d78c r4:85a0d400 [ 1348.178244][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.178366][ T32] r7:ddde2d80 r6:83018200 r5:85a0d78c r4:859e9180 [ 1348.178393][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.178440][ T32] r10:61c88647 r9:85970c00 r8:859e91ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.178462][ T32] r4:859e9180 [ 1348.178509][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.178556][ T32] r10:00000000 r9:859e9180 r8:8027f5e8 r7:ecb31e60 r6:859e9200 r5:85970c00 [ 1348.178579][ T32] r4:00000001 [ 1348.178686][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.178734][ T32] Exception stack(0xecb3dfb0 to 0xecb3dff8) [ 1348.178791][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.178825][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.178853][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.178884][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.178963][ T32] r4:859eb840 [ 1348.179466][ T32] INFO: task kworker/1:1020:6114 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.179501][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.179594][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.179642][ T32] Call trace: [ 1348.179701][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.179845][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.192040][ T32] r4:00000000 [ 1348.192096][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.192187][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.192252][ T32] dd20: 9fe9a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.192303][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.192414][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.192472][ T32] r5:80070013 r4:80239bb0 [ 1348.192497][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.192546][ T32] r4:82ac11a4 [ 1348.192567][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.192614][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.192664][ T32] r4:e884ddc0 [ 1348.192689][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.192735][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.192759][ T32] r4:00000000 [ 1348.192834][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.192913][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.192939][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.193012][ T32] r5:00001000 r4:e884f000 [ 1348.193036][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.193111][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.193190][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.193214][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.193261][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.193309][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.193358][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.193380][ T32] r4:8454db00 [ 1348.193399][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.193449][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.193472][ T32] r4:00000001 [ 1348.193492][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.193533][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.193561][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.193616][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.193647][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.193677][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.193700][ T32] r4:84e5aa80 [ 1348.193722][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.193752][ T32] INFO: task kworker/1:1021:6117 blocked for more than 474 seconds. [ 1348.193785][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.193809][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.193860][ T32] task:kworker/1:1021 state:D stack:0 pid:6117 tgid:6117 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.193920][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.193965][ T32] Call trace: [ 1348.193998][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.194053][ T32] r10:8291880c r9:ecb41d84 r8:00000002 r7:60000113 r6:ecb41d8c r5:85971800 [ 1348.194104][ T32] r4:85971800 [ 1348.194139][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.194184][ T32] r5:85971800 r4:82918808 [ 1348.194233][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.194271][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.194334][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb41e08 ** 4 printk messages dropped ** [ 1348.194526][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859ebc40 ** 4 printk messages dropped ** [ 1348.194710][ T32] r5:00001000 r4:ec7f3000 ** 1 printk messages dropped ** [ 1348.194877][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.194917][ T32] r5:85a0db8c r4:85a0d800 [ 1348.194938][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.195036][ T32] r7:ddde2d80 r6:83018200 r5:85a0db8c r4:859e9280 [ 1348.195066][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.195112][ T32] r10:61c88647 r9:85971800 r8:859e92ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.195134][ T32] r4:859e9280 [ 1348.195164][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.195208][ T32] r10:00000000 r9:859e9280 r8:8027f5e8 r7:ecb3de60 r6:859e9300 r5:85971800 [ 1348.195230][ T32] r4:00000001 [ 1348.195249][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.195284][ T32] Exception stack(0xecb41fb0 to 0xecb41ff8) [ 1348.195327][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1348.195414][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.195445][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.195474][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.195496][ T32] r4:859eb980 [ 1348.195981][ T32] INFO: task kworker/1:1021:6117 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.196015][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.196173][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.196250][ T32] Call trace: [ 1348.196286][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.196391][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.196450][ T32] r4:00000000 [ 1348.196474][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.196525][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.196587][ T32] dd20: 9fe9a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.196647][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.196675][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.196699][ T32] r5:80070013 r4:80239bb0 ** 1 printk messages dropped ** [ 1348.196764][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1348.196988][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 6 printk messages dropped ** [ 1348.197247][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.197313][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.197337][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.197384][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.197404][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.197450][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.197473][ T32] r4:8454db00 [ 1348.197491][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.197571][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.197666][ T32] r4:00000001 [ 1348.197733][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.197777][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.197819][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.197860][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.197887][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.197915][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.197937][ T32] r4:84e5aa80 [ 1348.197957][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.197982][ T32] INFO: task kworker/1:1022:6119 blocked for more than 474 seconds. [ 1348.198010][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.198032][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.198062][ T32] task:kworker/1:1022 state:D stack:0 pid:6119 tgid:6119 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.198122][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.198221][ T32] Call trace: [ 1348.198304][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.198357][ T32] r10:8291880c r9:ecb49d84 r8:00000002 r7:60000113 r6:ecb49d8c r5:85972400 [ 1348.198381][ T32] r4:85972400 [ 1348.198439][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.198482][ T32] r5:85972400 r4:82918808 [ 1348.198556][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.198597][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.198643][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb49e08 [ 1348.198665][ T32] r4:00000000 [ 1348.198685][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 7 printk messages dropped ** [ 1348.199076][ T32] r5:00001000 r4:ec815000 [ 1348.199096][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.199160][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1348.199272][ T32] r7:ddde2d80 r6:83018200 r5:85a0df8c r4:859e9380 ** 8 printk messages dropped ** [ 1348.226124][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1348.227207][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1348.227571][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1348.227778][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1348.228151][ T32] r5:84fe9f8c r4:84fe9c00 ** 4 printk messages dropped ** [ 1348.228380][ T32] r4:8454db00 ** 1 printk messages dropped ** [ 1348.228512][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.228543][ T32] r4:00000001 [ 1348.228658][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.228701][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.228865][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.228897][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.228975][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.229007][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.229030][ T32] r4:84e5aa80 [ 1348.229058][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.229087][ T32] INFO: task kworker/1:1023:6120 blocked for more than 474 seconds. [ 1348.229121][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.229169][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.229214][ T32] task:kworker/1:1023 state:D stack:0 pid:6120 tgid:6120 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.229384][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.229431][ T32] Call trace: [ 1348.229489][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.229599][ T32] r10:8291880c r9:ecb45d84 r8:00000002 r7:60000013 r6:ecb45d8c r5:85973000 [ 1348.229706][ T32] r4:85973000 [ 1348.243036][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.243210][ T32] r5:85973000 r4:82918808 [ 1348.243237][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.243279][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.243330][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb45e08 [ 1348.243354][ T32] r4:00000000 [ 1348.243375][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.243438][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.243487][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.243532][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859ebf80 [ 1348.243572][ T32] r4:00000000 [ 1348.243599][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.243648][ T32] r9:83018205 r8:85973000 r7:00000000 r6:83018200 r5:00001000 r4:7f097000 [ 1348.243671][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.243715][ T32] r5:00001000 r4:ec897000 [ 1348.243747][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.243832][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.243880][ T32] r5:85a0e38c r4:85a0e000 [ 1348.243900][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.243947][ T32] r7:ddde2d80 r6:83018200 r5:85a0e38c r4:859e9480 [ 1348.243967][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.244012][ T32] r10:61c88647 r9:85973000 r8:859e94ac r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.244034][ T32] r4:859e9480 [ 1348.244060][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.244105][ T32] r10:00000000 r9:859e9480 r8:8027f5e8 r7:ecb49e60 r6:859e9500 r5:85973000 [ 1348.244141][ T32] r4:00000001 [ 1348.244166][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.244205][ T32] Exception stack(0xecb45fb0 to 0xecb45ff8) [ 1348.244235][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.244264][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.244291][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.244362][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.244480][ T32] r4:859ebbc0 [ 1348.245065][ T32] INFO: task kworker/1:1023:6120 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.245103][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1348.245645][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 8 printk messages dropped ** [ 1348.245928][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1348.246216][ T32] r5:84fe9f8c r4:84fe9c00 ** 3 printk messages dropped ** [ 1348.246484][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1348.246782][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1348.247067][ T32] task:kworker/0:466 state:D stack:0 pid:6231 tgid:6231 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1348.247538][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1348.247703][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1348.247877][ T32] r5:00001000 r4:ecbd3000 [ 1348.247928][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1348.248170][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1348.248559][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1348.249490][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 2 printk messages dropped ** [ 1348.249649][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.249718][ T32] dd20: a0482000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.249751][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.249778][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.249801][ T32] r5:80070013 r4:80239bb0 [ 1348.249832][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.249945][ T32] r4:82ac11a4 [ 1348.272716][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.272821][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.272848][ T32] r4:e884ddc0 [ 1348.272870][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.272917][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.272939][ T32] r4:00000000 [ 1348.272959][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.273087][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.273125][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.273172][ T32] r5:00001000 r4:e884f000 [ 1348.273192][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.273231][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.273272][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.273297][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.273346][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.273367][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.273426][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.273455][ T32] r4:8454db00 [ 1348.273476][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.273546][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.273575][ T32] r4:00000001 [ 1348.273595][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.273743][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.273777][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.273806][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.273832][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.273860][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.273881][ T32] r4:84e5aa80 [ 1348.273905][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.273947][ T32] INFO: task kworker/0:467:6244 blocked for more than 474 seconds. [ 1348.273982][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.274007][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.274049][ T32] task:kworker/0:467 state:D stack:0 pid:6244 tgid:6244 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.274111][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.274157][ T32] Call trace: [ 1348.274223][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.274299][ T32] r10:8291880c r9:ecb99d84 r8:00000002 r7:60000113 r6:ecb99d8c r5:84c56c00 [ 1348.274323][ T32] r4:84c56c00 [ 1348.274343][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.274382][ T32] r5:84c56c00 r4:82918808 [ 1348.274404][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.274440][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.274481][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ecb99e08 [ 1348.274505][ T32] r4:00000000 [ 1348.274524][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.274558][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.274596][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.274639][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:83e0ac40 [ 1348.274661][ T32] r4:00000000 [ 1348.274731][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.274851][ T32] r9:83018005 r8:84c56c00 r7:00000000 r6:83018000 r5:00001000 r4:7f159000 [ 1348.274879][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.274923][ T32] r5:00001000 r4:eccfd000 [ 1348.274943][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.274983][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.275044][ T32] r5:858a6b8c r4:858a6800 [ 1348.275068][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.275153][ T32] r7:dddced80 r6:83018000 r5:858a6b8c r4:8594d580 [ 1348.275181][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.275255][ T32] r10:61c88647 r9:84c56c00 r8:8594d5ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 6 printk messages dropped ** [ 1348.275564][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1348.276365][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1348.276885][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1348.277028][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 8 printk messages dropped ** [ 1348.277356][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1348.277565][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1348.277840][ T32] r4:00000001 ** 7 printk messages dropped ** [ 1348.278125][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 8 printk messages dropped ** [ 1348.278488][ T32] r4:84c90c00 ** 3 printk messages dropped ** [ 1348.278602][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1348.279085][ T32] r5:00001000 r4:ecd83000 [ 1348.279105][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.279143][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.279183][ T32] r5:84e9cb8c r4:84e9c800 [ 1348.279202][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.279244][ T32] r7:dddced80 r6:83018000 r5:84e9cb8c r4:8594d680 [ 1348.279264][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.279307][ T32] r10:61c88647 r9:84c90c00 r8:8594d6ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.279330][ T32] r4:8594d680 [ 1348.279367][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.279421][ T32] r10:00000000 r9:8594d680 r8:8027f5e8 r7:ecb01e60 r6:8594d700 r5:84c90c00 [ 1348.279446][ T32] r4:00000001 [ 1348.279464][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.279502][ T32] Exception stack(0xeccb5fb0 to 0xeccb5ff8) [ 1348.279528][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.279556][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.279582][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.279609][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.279724][ T32] r4:83e0aac0 [ 1348.294589][ T32] INFO: task kworker/0:468:6286 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.294723][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.294803][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.294866][ T32] Call trace: [ 1348.294901][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.294958][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.294982][ T32] r4:00000000 [ 1348.295002][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.295066][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.295101][ T32] dd20: a0986000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.295138][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.295167][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.295192][ T32] r5:80070013 r4:80239bb0 [ 1348.295211][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.295260][ T32] r4:82ac11a4 [ 1348.295281][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.295347][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.295374][ T32] r4:e884ddc0 [ 1348.295394][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.295438][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.295459][ T32] r4:00000000 [ 1348.295518][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.295569][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.295591][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.295633][ T32] r5:00001000 r4:e884f000 [ 1348.295653][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.295691][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.295733][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.295753][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.295799][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.295820][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.295865][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.295955][ T32] r4:8454db00 [ 1348.295980][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.296026][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 3 printk messages dropped ** [ 1348.296158][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 18 printk messages dropped ** [ 1348.296759][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed48de08 ** 11 printk messages dropped ** [ 1348.297167][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 15 printk messages dropped ** [ 1348.297737][ T32] r4:85b5c980 ** 6 printk messages dropped ** [ 1348.298455][ T32] r4:00000000 ** 9 printk messages dropped ** [ 1348.299017][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 10 printk messages dropped ** [ 1348.299404][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.299477][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.299530][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.299552][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.299596][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.299619][ T32] r4:8454db00 [ 1348.299638][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.299682][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.299705][ T32] r4:00000001 [ 1348.299723][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.316811][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.316892][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.316928][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.316974][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.317011][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.317054][ T32] r4:84e5aa80 [ 1348.317094][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.317129][ T32] INFO: task kworker/0:470:6905 blocked for more than 474 seconds. [ 1348.317165][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.317190][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.317213][ T32] task:kworker/0:470 state:D stack:0 pid:6905 tgid:6905 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.317270][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.317331][ T32] Call trace: [ 1348.317364][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.317419][ T32] r10:8291880c r9:ed515d84 r8:00000002 r7:60000113 r6:ed515d8c r5:84c90000 [ 1348.317442][ T32] r4:84c90000 [ 1348.317462][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 8 printk messages dropped ** [ 1348.317793][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c25a00 ** 4 printk messages dropped ** [ 1348.317939][ T32] r5:00001000 r4:ed4fd000 ** 5 printk messages dropped ** [ 1348.318154][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 14 printk messages dropped ** [ 1348.319237][ T32] Workqueue: events bpf_prog_free_deferred ** 11 printk messages dropped ** [ 1348.319678][ T32] r4:82ac11a4 ** 9 printk messages dropped ** [ 1348.333092][ T32] r5:00001000 r4:e884f000 ** 7 printk messages dropped ** [ 1348.333462][ T32] r4:8454db00 ** 9 printk messages dropped ** [ 1348.333733][ T32] r4:84e5aa80 [ 1348.333756][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.333786][ T32] INFO: task kworker/0:471:6919 blocked for more than 474 seconds. [ 1348.333818][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.333841][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.333863][ T32] task:kworker/0:471 state:D stack:0 pid:6919 tgid:6919 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.333996][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.334083][ T32] Call trace: [ 1348.334248][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.334306][ T32] r10:8291880c r9:ed72dd84 r8:00000002 r7:60000113 r6:ed72dd8c r5:84c93c00 [ 1348.334331][ T32] r4:84c93c00 [ 1348.334351][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.334432][ T32] r5:84c93c00 r4:82918808 [ 1348.334456][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.334535][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.334581][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed72de08 [ 1348.334604][ T32] r4:00000000 [ 1348.334641][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.334679][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.334716][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.334758][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c25f40 [ 1348.334781][ T32] r4:00000000 [ 1348.334799][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.334947][ T32] r9:83018005 r8:84c93c00 r7:00000000 r6:83018000 r5:00001000 r4:7f64d000 [ 1348.334972][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.335015][ T32] r5:00001000 r4:ed253000 [ 1348.335048][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.335097][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.335137][ T32] r5:84e9eb8c r4:84e9e800 [ 1348.335157][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.335200][ T32] r7:dddced80 r6:83018000 r5:84e9eb8c r4:8594d980 [ 1348.335220][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.335264][ T32] r10:61c88647 r9:84c93c00 r8:8594d9ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.335287][ T32] r4:8594d980 ** 5 printk messages dropped ** [ 1348.335462][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 13 printk messages dropped ** [ 1348.336520][ T32] dd20: a10bd000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 14 printk messages dropped ** [ 1348.337032][ T32] r5:00001000 r4:e884f000 ** 9 printk messages dropped ** [ 1348.337401][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 10 printk messages dropped ** [ 1348.337685][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.337806][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.337831][ T32] task:kworker/0:472 state:D stack:0 pid:6961 tgid:6961 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.337875][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.337917][ T32] Call trace: [ 1348.337965][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.338017][ T32] r10:8291880c r9:ed67dd84 r8:00000002 r7:60000013 r6:ed67dd8c r5:84c91800 [ 1348.338041][ T32] r4:84c91800 [ 1348.338065][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.338104][ T32] r5:84c91800 r4:82918808 [ 1348.338133][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.338171][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.338241][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed67de08 [ 1348.338275][ T32] r4:00000000 [ 1348.338297][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.338333][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.338368][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.338411][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e36680 [ 1348.338432][ T32] r4:00000000 [ 1348.338451][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.338502][ T32] r9:83018005 r8:84c91800 r7:00000000 r6:83018000 r5:00001000 r4:7f64f000 ** 1 printk messages dropped ** [ 1348.338567][ T32] r5:00001000 r4:ed27f000 [ 1348.338586][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.338642][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1348.338781][ T32] r7:dddced80 r6:83018000 r5:84e9d78c r4:8594da80 ** 7 printk messages dropped ** [ 1348.339106][ T32] Exception stack(0xed67dfb0 to 0xed67dff8) ** 4 printk messages dropped ** [ 1348.339241][ T32] r4:84c25580 ** 2 printk messages dropped ** [ 1348.339738][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1348.360708][ T32] dd20: a176e000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 7 printk messages dropped ** [ 1348.360939][ T32] r4:e884ddc0 ** 5 printk messages dropped ** [ 1348.361240][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 6 printk messages dropped ** [ 1348.361520][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1348.361648][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.361669][ T32] r4:00000001 [ 1348.361688][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.361721][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.361746][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.361774][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.361827][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.361898][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.361927][ T32] r4:84e5aa80 [ 1348.361951][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.361980][ T32] INFO: task kworker/0:473:6962 blocked for more than 474 seconds. [ 1348.362014][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.362038][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.362066][ T32] task:kworker/0:473 state:D stack:0 pid:6962 tgid:6962 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.362120][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.362211][ T32] Call trace: [ 1348.362255][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.362310][ T32] r10:8291880c r9:ed591d84 r8:00000002 r7:60000013 r6:ed591d8c r5:84c96c00 [ 1348.362333][ T32] r4:84c96c00 [ 1348.362374][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.362420][ T32] r5:84c96c00 r4:82918808 [ 1348.362441][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.362477][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.362518][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed591e08 [ 1348.362540][ T32] r4:00000000 [ 1348.362559][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.362593][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.362628][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.362692][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d59400 [ 1348.362744][ T32] r4:00000000 [ 1348.362767][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.362812][ T32] r9:83018005 r8:84c96c00 r7:00000000 r6:83018000 r5:00001000 r4:7f653000 ** 1 printk messages dropped ** [ 1348.362873][ T32] r5:00001000 r4:ec82f000 [ 1348.362892][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1348.363221][ T32] r4:8594db80 ** 9 printk messages dropped ** [ 1348.363539][ T32] r4:84c25580 ** 5 printk messages dropped ** [ 1348.364351][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 20 printk messages dropped ** [ 1348.365332][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 13 printk messages dropped ** [ 1348.365817][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1348.365974][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.366004][ T32] task:kworker/0:474 state:D stack:0 pid:6966 tgid:6966 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.366058][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.366142][ T32] Call trace: [ 1348.366177][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.366256][ T32] r10:8291880c r9:ed60dd84 r8:00000002 r7:60000013 r6:ed60dd8c r5:84c95400 [ 1348.366309][ T32] r4:84c95400 [ 1348.366331][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.366372][ T32] r5:84c95400 r4:82918808 [ 1348.366392][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.366426][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.366467][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed60de08 [ 1348.366489][ T32] r4:00000000 [ 1348.366518][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.366555][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.366593][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.366636][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d59700 [ 1348.366688][ T32] r4:00000000 [ 1348.366712][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1348.366817][ T32] r5:00001000 r4:ece07000 [ 1348.366836][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1348.366913][ T32] r5:84e9c78c r4:84e9c400 ** 1 printk messages dropped ** [ 1348.366976][ T32] r7:dddced80 r6:83018000 r5:84e9c78c r4:8594dc80 [ 1348.367106][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.367156][ T32] r10:61c88647 r9:84c95400 r8:8594dcac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.367197][ T32] r4:8594dc80 [ 1348.367219][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.367263][ T32] r10:00000000 r9:8594dc80 r8:8027f5e8 r7:eccb5e60 r6:8594dd00 r5:84c95400 [ 1348.367284][ T32] r4:00000001 [ 1348.367302][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.367338][ T32] Exception stack(0xed60dfb0 to 0xed60dff8) [ 1348.367363][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.367390][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.367416][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.367444][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.367464][ T32] r4:84d59300 [ 1348.367798][ T32] INFO: task kworker/0:474:6966 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.367829][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.367907][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.367950][ T32] Call trace: [ 1348.368005][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.368057][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.368100][ T32] r4:00000000 [ 1348.368128][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.368166][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.368192][ T32] dd20: a176e000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.368221][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.368245][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.368268][ T32] r5:80070013 r4:80239bb0 [ 1348.368287][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.368329][ T32] r4:82ac11a4 [ 1348.368374][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.368425][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.368447][ T32] r4:e884ddc0 [ 1348.368466][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.368507][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.368548][ T32] r4:00000000 [ 1348.368572][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.368636][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.368679][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.368725][ T32] r5:00001000 r4:e884f000 [ 1348.368745][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.368783][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.368824][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.368843][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1348.368963][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1348.369304][ T32] r4:84e5aa80 ** 3 printk messages dropped ** [ 1348.369398][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1348.393606][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1348.394119][ T32] r5:00001000 r4:ecf5f000 [ 1348.394145][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.394206][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1348.394343][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1348.394764][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1348.395713][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1348.396165][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1348.396347][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1348.396606][ T32] r5:84fe9f8c r4:84fe9c00 ** 3 printk messages dropped ** [ 1348.396768][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1348.397363][ T32] r4:84e5aa80 ** 5 printk messages dropped ** [ 1348.397640][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1348.397802][ T32] r10:8291880c r9:ed6a1d84 r8:00000002 r7:60000013 r6:ed6a1d8c r5:85983c00 ** 4 printk messages dropped ** [ 1348.397970][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 1 printk messages dropped ** [ 1348.398047][ T32] r4:00000000 [ 1348.398078][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.398141][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.398185][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.398252][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d59a40 [ 1348.398274][ T32] r4:00000000 [ 1348.398399][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.398449][ T32] r9:83018005 r8:85983c00 r7:00000000 r6:83018000 r5:00001000 r4:7f65b000 [ 1348.398472][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.398511][ T32] r5:00001000 r4:ed017000 [ 1348.398530][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.398588][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.398633][ T32] r5:858a7f8c r4:858a7c00 [ 1348.398654][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.398697][ T32] r7:dddced80 r6:83018000 r5:858a7f8c r4:8594de80 [ 1348.398717][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.398782][ T32] r10:61c88647 r9:85983c00 r8:8594deac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.398809][ T32] r4:8594de80 [ 1348.398903][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.398951][ T32] r10:00000000 r9:8594de80 r8:8027f5e8 r7:ed6b1e60 r6:859e9880 r5:85983c00 [ 1348.398973][ T32] r4:00000001 [ 1348.399005][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.399044][ T32] Exception stack(0xed6a1fb0 to 0xed6a1ff8) [ 1348.399103][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1348.399136][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.399164][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.399221][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.399247][ T32] r4:84d59780 [ 1348.399580][ T32] INFO: task kworker/0:476:6970 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.399610][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.399891][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.420540][ T32] Call trace: [ 1348.420650][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.420732][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.420884][ T32] r4:00000000 [ 1348.420912][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.420957][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.421064][ T32] dd20: a1d2b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.421133][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.421277][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.421311][ T32] r5:80070013 r4:80239bb0 [ 1348.421335][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.421389][ T32] r4:82ac11a4 [ 1348.421411][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.421461][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.421483][ T32] r4:e884ddc0 [ 1348.421503][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.421548][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.421570][ T32] r4:00000000 [ 1348.421590][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.421637][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.421659][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.421812][ T32] r5:00001000 r4:e884f000 [ 1348.421839][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.421892][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.421937][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.421970][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.422059][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.422147][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.422239][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.422319][ T32] r4:8454db00 [ 1348.422346][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.422417][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.422454][ T32] r4:00000001 [ 1348.422476][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.422513][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.422541][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.422569][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.422596][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.422729][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.422757][ T32] r4:84e5aa80 [ 1348.422783][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 1 printk messages dropped ** [ 1348.422897][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1348.423254][ T32] r4:85980000 [ 1348.423276][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.423323][ T32] r5:85980000 r4:82918808 [ 1348.423344][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.423380][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.423454][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed6b9e08 [ 1348.423482][ T32] r4:00000000 [ 1348.423522][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.423562][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.423599][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.423641][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d59b80 [ 1348.423663][ T32] r4:00000000 [ 1348.423708][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.423755][ T32] r9:83018005 r8:85980000 r7:00000000 r6:83018000 r5:00001000 r4:7f65d000 [ 1348.423776][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.423817][ T32] r5:00001000 r4:ed047000 [ 1348.423837][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.423875][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.423916][ T32] r5:84c3bf8c r4:84c3bc00 [ 1348.423935][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.423977][ T32] r7:dddced80 r6:83018000 r5:84c3bf8c r4:8594df00 [ 1348.423996][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.424042][ T32] r10:61c88647 r9:85980000 r8:8594df2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.424120][ T32] r4:8594df00 [ 1348.424145][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.424201][ T32] r10:00000000 r9:8594df00 r8:8027f5e8 r7:ed6a1e60 r6:859e9900 r5:85980000 [ 1348.424227][ T32] r4:00000001 [ 1348.424263][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.424304][ T32] Exception stack(0xed6b9fb0 to 0xed6b9ff8) [ 1348.424331][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.424361][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1348.424437][ T32] r4:84d598c0 ** 2 printk messages dropped ** [ 1348.425122][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1348.425428][ T32] dd20: a1d2b000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 7 printk messages dropped ** [ 1348.425657][ T32] r4:e884ddc0 ** 4 printk messages dropped ** [ 1348.425839][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 7 printk messages dropped ** [ 1348.426094][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1348.426349][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1348.426577][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.426623][ T32] task:kworker/0:478 state:D stack:0 pid:6973 tgid:6973 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.426697][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.426740][ T32] Call trace: [ 1348.426769][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.426817][ T32] r10:8291880c r9:ed6c5d84 r8:00000002 r7:60000013 r6:ed6c5d8c r5:85983000 [ 1348.426840][ T32] r4:85983000 [ 1348.426860][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.426899][ T32] r5:85983000 r4:82918808 [ 1348.426918][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.426953][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.426995][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed6c5e08 [ 1348.427017][ T32] r4:00000000 [ 1348.427035][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.427077][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.427114][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.427155][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d59e00 [ 1348.427177][ T32] r4:00000000 [ 1348.427197][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.427239][ T32] r9:83018005 r8:85983000 r7:00000000 r6:83018000 r5:00001000 r4:7f661000 [ 1348.427261][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.427300][ T32] r5:00001000 r4:ed14d000 [ 1348.427320][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.427357][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.427397][ T32] r5:84c3b78c r4:84c3b400 [ 1348.427416][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.427460][ T32] r7:dddced80 r6:83018000 r5:84c3b78c r4:8594df80 [ 1348.427479][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.427523][ T32] r10:61c88647 r9:85983000 r8:8594dfac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.427545][ T32] r4:8594df80 [ 1348.427593][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.427642][ T32] r10:00000000 r9:8594df80 r8:8027f5e8 r7:ed6b9e60 r6:859e9980 r5:85983000 [ 1348.427664][ T32] r4:00000001 [ 1348.427682][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.427742][ T32] Exception stack(0xed6c5fb0 to 0xed6c5ff8) [ 1348.427773][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.427802][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.427829][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.427858][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.427895][ T32] r4:84d59ac0 [ 1348.428242][ T32] INFO: task kworker/0:478:6973 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.428276][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.428333][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.428451][ T32] Call trace: [ 1348.428482][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.428529][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.428552][ T32] r4:00000000 [ 1348.428571][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 7 printk messages dropped ** [ 1348.428794][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 15 printk messages dropped ** [ 1348.429661][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1348.450532][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1348.450702][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1348.450877][ T32] INFO: task kworker/0:479:6976 blocked for more than 474 seconds. ** 3 printk messages dropped ** [ 1348.451059][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1348.451303][ T32] r4:85981800 ** 1 printk messages dropped ** [ 1348.451393][ T32] r5:85981800 r4:82918808 ** 2 printk messages dropped ** [ 1348.451504][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed735e08 ** 4 printk messages dropped ** [ 1348.451771][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d59cc0 ** 6 printk messages dropped ** [ 1348.452213][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.452260][ T32] r5:84c3bb8c r4:84c3b800 [ 1348.452281][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.452333][ T32] r7:dddced80 r6:83018000 r5:84c3bb8c r4:859f4000 [ 1348.452357][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.452443][ T32] r10:61c88647 r9:85981800 r8:859f402c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.452470][ T32] r4:859f4000 [ 1348.452490][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.452574][ T32] r10:00000000 r9:859f4000 r8:8027f5e8 r7:ed6c5e60 r6:859e9a00 r5:85981800 [ 1348.452602][ T32] r4:00000001 [ 1348.452622][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.452670][ T32] Exception stack(0xed735fb0 to 0xed735ff8) [ 1348.452806][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.452882][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.452915][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.452947][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.452971][ T32] r4:84d59980 [ 1348.453478][ T32] INFO: task kworker/0:479:6976 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.453515][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.453574][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.453617][ T32] Call trace: [ 1348.453648][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.453696][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.453719][ T32] r4:00000000 [ 1348.453738][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.453775][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.453802][ T32] dd20: a213a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.453831][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.453857][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.453881][ T32] r5:80070013 r4:80239bb0 [ 1348.453900][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.454014][ T32] r4:82ac11a4 [ 1348.454042][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.454096][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.454119][ T32] r4:e884ddc0 [ 1348.454139][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.454180][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.454227][ T32] r4:00000000 [ 1348.454248][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.454351][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.454378][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.454436][ T32] r5:00001000 r4:e884f000 [ 1348.454461][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.454501][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.454541][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.454560][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.454604][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.454624][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.454668][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.454690][ T32] r4:8454db00 [ 1348.454801][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.454850][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.454875][ T32] r4:00000001 [ 1348.454894][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.454945][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.455017][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.455050][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.455114][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.455148][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 1 printk messages dropped ** [ 1348.455252][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 4 printk messages dropped ** [ 1348.455419][ T32] Workqueue: events bpf_prog_free_deferred ** 4 printk messages dropped ** [ 1348.455643][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 3 printk messages dropped ** [ 1348.456008][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed739e08 ** 3 printk messages dropped ** [ 1348.456184][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1348.456392][ T32] r5:00001000 r4:ed17f000 [ 1348.456413][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.456452][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1348.456942][ T32] Exception stack(0xed739fb0 to 0xed739ff8) ** 6 printk messages dropped ** [ 1348.457453][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1348.458214][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1348.458557][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1348.458960][ T32] r5:84fe9f8c r4:84fe9c00 ** 3 printk messages dropped ** [ 1348.459159][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1348.459588][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1348.485340][ T32] Call trace: ** 6 printk messages dropped ** [ 1348.485599][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 3 printk messages dropped ** [ 1348.485735][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.485781][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.485826][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c5c040 [ 1348.485849][ T32] r4:00000000 [ 1348.485869][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.485914][ T32] r9:83018005 r8:85986c00 r7:00000000 r6:83018000 r5:00001000 r4:7f665000 [ 1348.485935][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.485975][ T32] r5:00001000 r4:ed199000 [ 1348.485995][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.486032][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.486080][ T32] r5:84c3af8c r4:84c3ac00 [ 1348.486100][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.486147][ T32] r7:dddced80 r6:83018000 r5:84c3af8c r4:859f4100 [ 1348.486167][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.486236][ T32] r10:61c88647 r9:85986c00 r8:859f412c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.486260][ T32] r4:859f4100 [ 1348.486279][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.486323][ T32] r10:00000000 r9:859f4100 r8:8027f5e8 r7:ed739e60 r6:859e9b00 r5:85986c00 [ 1348.486345][ T32] r4:00000001 [ 1348.486364][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.486400][ T32] Exception stack(0xed73dfb0 to 0xed73dff8) [ 1348.486427][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.486456][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.486496][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.486529][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.486551][ T32] r4:84d59c00 [ 1348.487366][ T32] INFO: task kworker/0:481:6980 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.487434][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.487542][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.487653][ T32] Call trace: [ 1348.487687][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.487737][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.487761][ T32] r4:00000000 [ 1348.487780][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.487816][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.487844][ T32] dd20: a23d5000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.487872][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.487896][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.487952][ T32] r5:80070013 r4:80239bb0 [ 1348.488031][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.488088][ T32] r4:82ac11a4 [ 1348.488135][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.488188][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.488256][ T32] r4:e884ddc0 [ 1348.488279][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.488322][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.488379][ T32] r4:00000000 [ 1348.488403][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.488474][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.488500][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.488545][ T32] r5:00001000 r4:e884f000 [ 1348.488565][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.488605][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.488649][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.488696][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.488749][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.488770][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.488815][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.488856][ T32] r4:8454db00 [ 1348.488880][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.488923][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.488945][ T32] r4:00000001 [ 1348.488965][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.489000][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.489025][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.489060][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.489087][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.489116][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.489138][ T32] r4:84e5aa80 [ 1348.489157][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.489182][ T32] INFO: task kworker/0:482:6982 blocked for more than 474 seconds. [ 1348.489234][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.489261][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.489284][ T32] task:kworker/0:482 state:D stack:0 pid:6982 tgid:6982 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.489329][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.489407][ T32] Call trace: [ 1348.489498][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.489594][ T32] r10:8291880c r9:ed745d84 r8:00000002 r7:60000013 r6:ed745d8c r5:85982400 [ 1348.489622][ T32] r4:85982400 [ 1348.489641][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.489681][ T32] r5:85982400 r4:82918808 [ 1348.489700][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 5 printk messages dropped ** [ 1348.500500][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1348.500726][ T32] r5:00001000 r4:ed1e1000 [ 1348.500746][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.500784][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1348.500977][ T32] r10:61c88647 r9:85982400 r8:859f41ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1348.501389][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1348.502276][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1348.502534][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 7 printk messages dropped ** [ 1348.502782][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 9 printk messages dropped ** [ 1348.503136][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1348.503589][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1348.503780][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1348.503975][ T32] task:kworker/0:483 state:D stack:0 pid:6985 tgid:6985 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 6 printk messages dropped ** [ 1348.504294][ T32] r5:85984800 r4:82918808 ** 1 printk messages dropped ** [ 1348.504348][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1348.504500][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1348.504730][ T32] r5:00001000 r4:ed1bf000 [ 1348.504749][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.504787][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.504827][ T32] r5:84c3ab8c r4:84c3a800 [ 1348.504871][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.505009][ T32] r7:dddced80 r6:83018000 r5:84c3ab8c r4:859f4200 [ 1348.505057][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.505183][ T32] r10:61c88647 r9:85984800 r8:859f422c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.505318][ T32] r4:859f4200 [ 1348.505372][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.505447][ T32] r10:00000000 r9:859f4200 r8:8027f5e8 r7:ed745e60 r6:859e9c00 r5:85984800 [ 1348.505501][ T32] r4:00000001 [ 1348.505697][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.505737][ T32] Exception stack(0xed751fb0 to 0xed751ff8) [ 1348.505763][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1348.505791][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.505862][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.505895][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.505917][ T32] r4:84c5c140 [ 1348.506262][ T32] INFO: task kworker/0:483:6985 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.506298][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.506439][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.506577][ T32] Call trace: [ 1348.506671][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.506723][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.506747][ T32] r4:00000000 [ 1348.506767][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.506834][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.506866][ T32] dd20: a23d5000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.506895][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.506921][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.506973][ T32] r5:80070013 r4:80239bb0 [ 1348.506997][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.507041][ T32] r4:82ac11a4 [ 1348.507066][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.507125][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.507151][ T32] r4:e884ddc0 [ 1348.507231][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.507427][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.507497][ T32] r4:00000000 [ 1348.507601][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.507650][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.507673][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.507774][ T32] r5:00001000 r4:e884f000 [ 1348.507798][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.507838][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.507880][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.507899][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.507956][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.508005][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.508100][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.508126][ T32] r4:8454db00 [ 1348.508147][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.508219][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.508245][ T32] r4:00000001 [ 1348.508265][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.508302][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.508524][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.508614][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.508644][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.508701][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.508765][ T32] r4:84e5aa80 [ 1348.508789][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 3 printk messages dropped ** [ 1348.508919][ T32] task:kworker/0:484 state:D stack:0 pid:6986 tgid:6986 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1348.509623][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed755e08 ** 9 printk messages dropped ** [ 1348.533124][ T32] r5:00001000 r4:ed245000 [ 1348.533219][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1348.533366][ T32] r5:859b478c r4:859b4400 ** 3 printk messages dropped ** [ 1348.533571][ T32] r10:61c88647 r9:85985400 r8:859f42ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1348.533928][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1348.534941][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1348.535342][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1348.535609][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1348.535754][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 6 printk messages dropped ** [ 1348.536085][ T32] r4:8454db00 ** 7 printk messages dropped ** [ 1348.536663][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1348.537176][ T32] task:kworker/0:485 state:D stack:0 pid:6987 tgid:6987 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1348.537999][ T32] r4:00000000 [ 1348.538062][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.538102][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.538166][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.538228][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c5c580 [ 1348.538466][ T32] r4:00000000 [ 1348.538491][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.538535][ T32] r9:83018005 r8:85976c00 r7:00000000 r6:83018000 r5:00001000 r4:7f66b000 [ 1348.538583][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.538628][ T32] r5:00001000 r4:ed201000 [ 1348.538649][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.538860][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.539005][ T32] r5:859b438c r4:859b4000 [ 1348.539029][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.539079][ T32] r7:dddced80 r6:83018000 r5:859b438c r4:859f4300 [ 1348.539217][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.539266][ T32] r10:61c88647 r9:85976c00 r8:859f432c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.539289][ T32] r4:859f4300 [ 1348.539307][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.539351][ T32] r10:00000000 r9:859f4300 r8:8027f5e8 r7:ed755e60 r6:859e9d00 r5:85976c00 [ 1348.539584][ T32] r4:00000001 [ 1348.539607][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.539645][ T32] Exception stack(0xed759fb0 to 0xed759ff8) [ 1348.539671][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.539698][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.539757][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.539869][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.570566][ T32] r4:84c5c280 [ 1348.571137][ T32] INFO: task kworker/0:485:6987 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.571194][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.571427][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.571493][ T32] Call trace: [ 1348.571543][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.571627][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.571654][ T32] r4:00000000 [ 1348.571675][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.571730][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.571791][ T32] dd20: a2d9b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.571850][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.571879][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.571905][ T32] r5:80070013 r4:80239bb0 [ 1348.571925][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.571974][ T32] r4:82ac11a4 [ 1348.572022][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.572082][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.572134][ T32] r4:e884ddc0 [ 1348.572159][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.572204][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.572312][ T32] r4:00000000 [ 1348.572346][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.572396][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.572435][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.572480][ T32] r5:00001000 r4:e884f000 [ 1348.572499][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.572541][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.572586][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.572607][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.572654][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.572705][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.572857][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.572885][ T32] r4:8454db00 [ 1348.572907][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.572952][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.573147][ T32] r4:00000001 [ 1348.573308][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.573397][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.573428][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.573460][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.573488][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1348.573689][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1348.574137][ T32] r10:8291880c r9:ed765d84 r8:00000002 r7:60000113 r6:ed765d8c r5:85990c00 ** 9 printk messages dropped ** [ 1348.574580][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1348.575299][ T32] r5:00001000 r4:ed2a7000 [ 1348.575318][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1348.575529][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1348.575772][ T32] r4:859f4380 [ 1348.575794][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.575837][ T32] r10:00000000 r9:859f4380 r8:8027f5e8 r7:ed755e60 r6:859e9d80 r5:85990c00 [ 1348.575859][ T32] r4:00000001 [ 1348.575878][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.575972][ T32] Exception stack(0xed765fb0 to 0xed765ff8) [ 1348.576066][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.576099][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.576159][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.576424][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.576451][ T32] r4:84c5c380 [ 1348.576787][ T32] INFO: task kworker/0:486:6990 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.576973][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.577206][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.577250][ T32] Call trace: [ 1348.577310][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.577406][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.577434][ T32] r4:00000000 [ 1348.577454][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.577490][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.577608][ T32] dd20: a2d9b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.577641][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.577892][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.577921][ T32] r5:80070013 r4:80239bb0 [ 1348.577943][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.577987][ T32] r4:82ac11a4 [ 1348.578163][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.578312][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.578338][ T32] r4:e884ddc0 [ 1348.578358][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.578419][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.578444][ T32] r4:00000000 [ 1348.578465][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.578509][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.578530][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.578572][ T32] r5:00001000 r4:e884f000 ** 1 printk messages dropped ** [ 1348.578631][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1348.578881][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 3 printk messages dropped ** [ 1348.579135][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 5 printk messages dropped ** [ 1348.579393][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 3 printk messages dropped ** [ 1348.610283][ T32] INFO: task kworker/0:487:6991 blocked for more than 475 seconds. ** 7 printk messages dropped ** [ 1348.610779][ T32] r4:85991800 ** 3 printk messages dropped ** [ 1348.610934][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1348.611735][ T32] r5:00001000 r4:ed3d7000 [ 1348.611786][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.611829][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1348.611958][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1348.612515][ T32] Exception stack(0xed769fb0 to 0xed769ff8) ** 6 printk messages dropped ** [ 1348.613263][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1348.613729][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 9 printk messages dropped ** [ 1348.614611][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1348.614936][ T32] r5:84fe9f8c r4:84fe9c00 ** 3 printk messages dropped ** [ 1348.615080][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1348.615434][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1348.615686][ T32] task:kworker/0:488 state:D stack:0 pid:6995 tgid:6995 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1348.616393][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed779e08 ** 8 printk messages dropped ** [ 1348.616769][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.616839][ T32] r5:00001000 r4:ed2cd000 [ 1348.616864][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1348.616995][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1348.617502][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1348.618833][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1348.619280][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1348.619552][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1348.632009][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1348.632560][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1348.632743][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.632772][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.632830][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.632885][ T32] r4:84e5aa80 [ 1348.632912][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.632990][ T32] INFO: task kworker/0:489:6996 blocked for more than 475 seconds. [ 1348.633028][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.633058][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.633081][ T32] task:kworker/0:489 state:D stack:0 pid:6996 tgid:6996 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.633168][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.633283][ T32] Call trace: [ 1348.633425][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.633485][ T32] r10:8291880c r9:ed77dd84 r8:00000002 r7:60000113 r6:ed77dd8c r5:85992400 [ 1348.633530][ T32] r4:85992400 [ 1348.633553][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.633595][ T32] r5:85992400 r4:82918808 [ 1348.633627][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.633668][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.633710][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed77de08 [ 1348.633732][ T32] r4:00000000 [ 1348.633764][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.633804][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.633846][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.633889][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c5ca80 [ 1348.633941][ T32] r4:00000000 [ 1348.633965][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.634043][ T32] r9:83018005 r8:85992400 r7:00000000 r6:83018000 r5:00001000 r4:7f673000 [ 1348.634074][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.634146][ T32] r5:00001000 r4:ed2f1000 [ 1348.634213][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.634257][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.634300][ T32] r5:859b538c r4:859b5000 [ 1348.634414][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.634463][ T32] r7:dddced80 r6:83018000 r5:859b538c r4:859f4500 [ 1348.634525][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.634575][ T32] r10:61c88647 r9:85992400 r8:859f452c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.634598][ T32] r4:859f4500 [ 1348.634618][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.634661][ T32] r10:00000000 r9:859f4500 r8:8027f5e8 r7:ed769e60 r6:859e9f00 r5:85992400 [ 1348.634683][ T32] r4:00000001 [ 1348.634731][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.634779][ T32] Exception stack(0xed77dfb0 to 0xed77dff8) [ 1348.634806][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.634834][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.634931][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.634964][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.634986][ T32] r4:84c5c740 [ 1348.635475][ T32] INFO: task kworker/0:489:6996 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.635510][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.635660][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.635765][ T32] Call trace: [ 1348.635879][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.635936][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.636019][ T32] r4:00000000 [ 1348.636060][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.636103][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.636132][ T32] dd20: a315c000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.636161][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.636204][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.636234][ T32] r5:80070013 r4:80239bb0 [ 1348.636313][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.636361][ T32] r4:82ac11a4 [ 1348.636382][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.636455][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.636481][ T32] r4:e884ddc0 [ 1348.636500][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.636572][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.636597][ T32] r4:00000000 [ 1348.636652][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.636702][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.636737][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.636782][ T32] r5:00001000 r4:e884f000 [ 1348.636802][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.636841][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.636883][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.636957][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.637007][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.637065][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.637171][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.637282][ T32] r4:8454db00 [ 1348.637305][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.637351][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.637375][ T32] r4:00000001 [ 1348.637394][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.637484][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.637515][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.637543][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.637571][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.637600][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.637622][ T32] r4:84e5aa80 [ 1348.637644][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.637697][ T32] INFO: task kworker/0:490:6998 blocked for more than 475 seconds. [ 1348.637765][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.637794][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.637815][ T32] task:kworker/0:490 state:D stack:0 pid:6998 tgid:6998 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.637886][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.637963][ T32] Call trace: [ 1348.638026][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.638081][ T32] r10:8291880c r9:ed785d84 r8:00000002 r7:60000013 r6:ed785d8c r5:85993000 [ 1348.638105][ T32] r4:85993000 [ 1348.638151][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.638211][ T32] r5:85993000 r4:82918808 [ 1348.638268][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.638308][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.638349][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed785e08 [ 1348.638375][ T32] r4:00000000 [ 1348.638394][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.638443][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.638527][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.638603][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c5cbc0 [ 1348.638628][ T32] r4:00000000 [ 1348.638649][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.638693][ T32] r9:83018005 r8:85993000 r7:00000000 r6:83018000 r5:00001000 r4:7f675000 [ 1348.638715][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.638755][ T32] r5:00001000 r4:ed315000 [ 1348.638774][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.638842][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.638899][ T32] r5:859b578c r4:859b5400 [ 1348.638919][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.638963][ T32] r7:dddced80 r6:83018000 r5:859b578c r4:859f4580 [ 1348.638986][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.639031][ T32] r10:61c88647 r9:85993000 r8:859f45ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.639059][ T32] r4:859f4580 [ 1348.639079][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.639121][ T32] r10:00000000 r9:859f4580 r8:8027f5e8 r7:ed769e60 r6:859e9f80 r5:85993000 [ 1348.639143][ T32] r4:00000001 [ 1348.639161][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.639225][ T32] Exception stack(0xed785fb0 to 0xed785ff8) [ 1348.639257][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.639286][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.639312][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.639339][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.639390][ T32] r4:84c5c900 [ 1348.639719][ T32] INFO: task kworker/0:490:6998 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.639796][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.670686][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.670763][ T32] Call trace: [ 1348.670862][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.670954][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.670985][ T32] r4:00000000 [ 1348.671061][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.671151][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.671187][ T32] dd20: a379b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.671220][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.671277][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.671308][ T32] r5:80070013 r4:80239bb0 [ 1348.671359][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.671552][ T32] r4:82ac11a4 [ 1348.671604][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.671671][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.671749][ T32] r4:e884ddc0 [ 1348.671776][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.671906][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.671934][ T32] r4:00000000 [ 1348.671956][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.672006][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.672029][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.672078][ T32] r5:00001000 r4:e884f000 [ 1348.672099][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.672140][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.672183][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.672359][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.672415][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.672439][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.672542][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.672570][ T32] r4:8454db00 [ 1348.672673][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.672724][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.672748][ T32] r4:00000001 [ 1348.672796][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.672842][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.672869][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.672899][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.672927][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.672957][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.672982][ T32] r4:84e5aa80 [ 1348.673008][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.673039][ T32] INFO: task kworker/0:491:6999 blocked for more than 475 seconds. [ 1348.673166][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.673197][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.673220][ T32] task:kworker/0:491 state:D stack:0 pid:6999 tgid:6999 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.673269][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.673316][ T32] Call trace: [ 1348.673410][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.673468][ T32] r10:8291880c r9:ed789d84 r8:00000002 r7:60000113 r6:ed789d8c r5:85993c00 [ 1348.673492][ T32] r4:85993c00 [ 1348.673543][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.673616][ T32] r5:85993c00 r4:82918808 [ 1348.673641][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.673681][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.673722][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed789e08 [ 1348.673745][ T32] r4:00000000 [ 1348.673765][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.673800][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.673836][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.673907][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c5cd00 [ 1348.673964][ T32] r4:00000000 [ 1348.674057][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.674108][ T32] r9:83018005 r8:85993c00 r7:00000000 r6:83018000 r5:00001000 r4:7f677000 [ 1348.674131][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.674228][ T32] r5:00001000 r4:ed351000 [ 1348.674311][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.674411][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.674478][ T32] r5:859b5b8c r4:859b5800 [ 1348.674502][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.674560][ T32] r7:dddced80 r6:83018000 r5:859b5b8c r4:859f4600 [ 1348.674595][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.674644][ T32] r10:61c88647 r9:85993c00 r8:859f462c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.674696][ T32] r4:859f4600 [ 1348.674721][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.674766][ T32] r10:00000000 r9:859f4600 r8:8027f5e8 r7:ed769e60 r6:859e9800 r5:85993c00 [ 1348.674789][ T32] r4:00000001 [ 1348.674808][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.674844][ T32] Exception stack(0xed789fb0 to 0xed789ff8) [ 1348.674899][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.674978][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.675010][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.675039][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.675109][ T32] r4:84c5ca40 [ 1348.675634][ T32] INFO: task kworker/0:491:6999 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.675729][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.675855][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.675963][ T32] Call trace: [ 1348.676042][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.676102][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.676127][ T32] r4:00000000 [ 1348.676149][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.676187][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.676217][ T32] dd20: a379b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.676247][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.676274][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.676299][ T32] r5:80070013 r4:80239bb0 [ 1348.676320][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.676395][ T32] r4:82ac11a4 [ 1348.676420][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.676468][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.676546][ T32] r4:e884ddc0 [ 1348.676570][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.676614][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.676637][ T32] r4:00000000 [ 1348.676657][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.676702][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.676755][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.676837][ T32] r5:00001000 r4:e884f000 [ 1348.676863][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.676904][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.676975][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.677092][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.677204][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.677231][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.677278][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.677330][ T32] r4:8454db00 [ 1348.677406][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.677454][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.677477][ T32] r4:00000001 [ 1348.677496][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.677535][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.677751][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.677864][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.677955][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.677991][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.678015][ T32] r4:84e5aa80 [ 1348.678058][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.678090][ T32] INFO: task kworker/0:492:7002 blocked for more than 475 seconds. [ 1348.678178][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.678224][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.678248][ T32] task:kworker/0:492 state:D stack:0 pid:7002 tgid:7002 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.678313][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.678547][ T32] Call trace: [ 1348.678817][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.678868][ T32] r10:8291880c r9:ed795d84 r8:00000002 r7:60000013 r6:ed795d8c r5:85994800 [ 1348.678893][ T32] r4:85994800 [ 1348.678942][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.679061][ T32] r5:85994800 r4:82918808 [ 1348.679087][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.679171][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.679219][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed795e08 [ 1348.679287][ T32] r4:00000000 [ 1348.679311][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.679394][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.679437][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.679570][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c5ce40 [ 1348.679598][ T32] r4:00000000 [ 1348.679680][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.703453][ T32] r9:83018005 r8:85994800 r7:00000000 r6:83018000 r5:00001000 r4:7f679000 [ 1348.703569][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.703644][ T32] r5:00001000 r4:ed3c7000 [ 1348.703668][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.703739][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.703818][ T32] r5:859b5f8c r4:859b5c00 [ 1348.703901][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.703954][ T32] r7:dddced80 r6:83018000 r5:859b5f8c r4:859f4680 [ 1348.703977][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.704023][ T32] r10:61c88647 r9:85994800 r8:859f46ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.704046][ T32] r4:859f4680 [ 1348.704073][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.704120][ T32] r10:00000000 r9:859f4680 r8:8027f5e8 r7:ed769e60 r6:8505c000 r5:85994800 [ 1348.704142][ T32] r4:00000001 [ 1348.704162][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.704200][ T32] Exception stack(0xed795fb0 to 0xed795ff8) [ 1348.704231][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.704346][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.704380][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.704469][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.704525][ T32] r4:84c5cb80 [ 1348.705087][ T32] INFO: task kworker/0:492:7002 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.705141][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.705313][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.705403][ T32] Call trace: [ 1348.705473][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.705555][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.705585][ T32] r4:00000000 [ 1348.705664][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.705728][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.705763][ T32] dd20: a39cb000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.705822][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.705888][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.705919][ T32] r5:80070013 r4:80239bb0 [ 1348.705942][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.705992][ T32] r4:82ac11a4 [ 1348.706015][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.706069][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.706094][ T32] r4:e884ddc0 [ 1348.706143][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.706317][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.706382][ T32] r4:00000000 [ 1348.706409][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.706489][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.706543][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.706591][ T32] r5:00001000 r4:e884f000 [ 1348.706613][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.706711][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.706759][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.706783][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.706860][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.706913][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.706964][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.706990][ T32] r4:8454db00 [ 1348.707010][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.707061][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.707087][ T32] r4:00000001 [ 1348.707108][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.707174][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.707207][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.707293][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.707352][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.707412][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.707438][ T32] r4:84e5aa80 [ 1348.707460][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.707491][ T32] INFO: task kworker/0:493:7003 blocked for more than 475 seconds. [ 1348.707554][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.707641][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.707668][ T32] task:kworker/0:493 state:D stack:0 pid:7003 tgid:7003 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.707830][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.707921][ T32] Call trace: [ 1348.708071][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.708151][ T32] r10:8291880c r9:ed799d84 r8:00000002 r7:60000113 r6:ed799d8c r5:85995400 [ 1348.708178][ T32] r4:85995400 [ 1348.708199][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.708240][ T32] r5:85995400 r4:82918808 [ 1348.708259][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.708295][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.708336][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed799e08 [ 1348.708359][ T32] r4:00000000 [ 1348.708378][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.708413][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.708477][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.708525][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ec9900 [ 1348.708574][ T32] r4:00000000 [ 1348.708598][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.708642][ T32] r9:83018005 r8:85995400 r7:00000000 r6:83018000 r5:00001000 r4:7f5ed000 [ 1348.708720][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.708766][ T32] r5:00001000 r4:dfc81000 [ 1348.708786][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.708853][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.708932][ T32] r5:859b678c r4:859b6400 [ 1348.708955][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.708999][ T32] r7:dddced80 r6:83018000 r5:859b678c r4:859f4700 [ 1348.709022][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.709073][ T32] r10:61c88647 r9:85995400 r8:859f472c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.709124][ T32] r4:859f4700 [ 1348.709154][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.709337][ T32] r10:00000000 r9:859f4700 r8:8027f5e8 r7:ed769e60 r6:8505c080 r5:85995400 [ 1348.709364][ T32] r4:00000001 [ 1348.709413][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.709453][ T32] Exception stack(0xed799fb0 to 0xed799ff8) [ 1348.709481][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.709538][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.709569][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.709598][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.709652][ T32] r4:84c5ccc0 [ 1348.720707][ T32] INFO: task kworker/0:493:7003 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.720843][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.720928][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.721059][ T32] Call trace: [ 1348.721157][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.721239][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.721321][ T32] r4:00000000 [ 1348.721380][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.721483][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.721575][ T32] dd20: a3aba000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.721609][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.721635][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.721686][ T32] r5:80070013 r4:80239bb0 [ 1348.721715][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.721795][ T32] r4:82ac11a4 [ 1348.721849][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.721953][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.722023][ T32] r4:e884ddc0 [ 1348.722064][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.722112][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.722135][ T32] r4:00000000 [ 1348.722155][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.722227][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.722252][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.722294][ T32] r5:00001000 r4:e884f000 [ 1348.722319][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.722360][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.722401][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.722423][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.722499][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.722526][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.722572][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.722595][ T32] r4:8454db00 [ 1348.722615][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.722689][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.722858][ T32] r4:00000001 [ 1348.722881][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.722922][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.722949][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.723006][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.723061][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.723122][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.723148][ T32] r4:84e5aa80 [ 1348.723172][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.723240][ T32] INFO: task kworker/0:494:7007 blocked for more than 475 seconds. [ 1348.723308][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.723337][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.723361][ T32] task:kworker/0:494 state:D stack:0 pid:7007 tgid:7007 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.723409][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.723516][ T32] Call trace: [ 1348.723614][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.723666][ T32] r10:8291880c r9:ed7a9d84 r8:00000002 r7:60000113 r6:ed7a9d8c r5:85996000 [ 1348.723771][ T32] r4:85996000 [ 1348.723825][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.723869][ T32] r5:85996000 r4:82918808 [ 1348.723889][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.723954][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.724060][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed7a9e08 [ 1348.724143][ T32] r4:00000000 [ 1348.724222][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.724261][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.724300][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.724342][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c5cf40 [ 1348.724366][ T32] r4:00000000 [ 1348.724403][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.724449][ T32] r9:83018005 r8:85996000 r7:00000000 r6:83018000 r5:00001000 r4:7f64b000 [ 1348.724471][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.724511][ T32] r5:00001000 r4:eccbf000 [ 1348.724617][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.724746][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.724818][ T32] r5:859b6b8c r4:859b6800 [ 1348.724841][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.724912][ T32] r7:dddced80 r6:83018000 r5:859b6b8c r4:859f4780 [ 1348.724936][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.724984][ T32] r10:61c88647 r9:85996000 r8:859f47ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.725009][ T32] r4:859f4780 [ 1348.725029][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.725080][ T32] r10:00000000 r9:859f4780 r8:8027f5e8 r7:ed799e60 r6:8505c100 r5:85996000 [ 1348.725103][ T32] r4:00000001 [ 1348.725155][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.725223][ T32] Exception stack(0xed7a9fb0 to 0xed7a9ff8) [ 1348.725294][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.725329][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.725415][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.725447][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.725512][ T32] r4:84c5cec0 [ 1348.725905][ T32] INFO: task kworker/0:494:7007 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.725941][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.726059][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.726137][ T32] Call trace: [ 1348.726172][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.726248][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.726274][ T32] r4:00000000 [ 1348.726294][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.726331][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.726359][ T32] dd20: a3aba000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.726410][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.726465][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.726494][ T32] r5:80070013 r4:80239bb0 [ 1348.726537][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.726586][ T32] r4:82ac11a4 [ 1348.726605][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.726651][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.726674][ T32] r4:e884ddc0 [ 1348.726693][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.726735][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.726756][ T32] r4:00000000 [ 1348.726832][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.726882][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.726906][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.726947][ T32] r5:00001000 r4:e884f000 [ 1348.726966][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.727004][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.727045][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.727072][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.727173][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.727227][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.727276][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.727299][ T32] r4:8454db00 [ 1348.727319][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.727391][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.727420][ T32] r4:00000001 [ 1348.727470][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.727541][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.727571][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.727601][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.727654][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.727773][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.727800][ T32] r4:84e5aa80 [ 1348.727842][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.727873][ T32] INFO: task kworker/0:495:7008 blocked for more than 475 seconds. [ 1348.727903][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.727925][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.727997][ T32] task:kworker/0:495 state:D stack:0 pid:7008 tgid:7008 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.728066][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.728111][ T32] Call trace: [ 1348.728141][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.728188][ T32] r10:8291880c r9:ed7add84 r8:00000002 r7:60000013 r6:ed7add8c r5:85974800 [ 1348.728211][ T32] r4:85974800 [ 1348.728244][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.728290][ T32] r5:85974800 r4:82918808 [ 1348.728371][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.728410][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.728483][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed7ade08 [ 1348.728568][ T32] r4:00000000 [ 1348.728619][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.728684][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.728725][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.728782][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a47dc0 [ 1348.728808][ T32] r4:00000000 [ 1348.728828][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.728884][ T32] r9:83018005 r8:85974800 r7:00000000 r6:83018000 r5:00001000 r4:7f699000 [ 1348.728969][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.729073][ T32] r5:00001000 r4:ed521000 [ 1348.729112][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.729180][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.729282][ T32] r5:859b838c r4:859b8000 [ 1348.729307][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.729352][ T32] r7:dddced80 r6:83018000 r5:859b838c r4:859f4800 [ 1348.729401][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.729461][ T32] r10:61c88647 r9:85974800 r8:859f482c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.729516][ T32] r4:859f4800 [ 1348.729539][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.729583][ T32] r10:00000000 r9:859f4800 r8:8027f5e8 r7:ed7a9e60 r6:8505c180 r5:85974800 [ 1348.729604][ T32] r4:00000001 [ 1348.729623][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.729658][ T32] Exception stack(0xed7adfb0 to 0xed7adff8) [ 1348.729684][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.729713][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.754736][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.754873][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.754907][ T32] r4:84c5cec0 [ 1348.755421][ T32] INFO: task kworker/0:495:7008 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.755496][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.755574][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.755643][ T32] Call trace: [ 1348.755738][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.755814][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.755842][ T32] r4:00000000 [ 1348.755863][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.755903][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.755958][ T32] dd20: a3dad000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.755993][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.756058][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.756089][ T32] r5:80070013 r4:80239bb0 [ 1348.756109][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.756157][ T32] r4:82ac11a4 [ 1348.756191][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.756242][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.756264][ T32] r4:e884ddc0 [ 1348.756296][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.756350][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.756386][ T32] r4:00000000 [ 1348.756438][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.756489][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.756523][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.756585][ T32] r5:00001000 r4:e884f000 [ 1348.756609][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.756676][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.756730][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.756752][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.756822][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.756848][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.756895][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.756946][ T32] r4:8454db00 [ 1348.757029][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.757084][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.757136][ T32] r4:00000001 [ 1348.757161][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.757226][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.757256][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.757342][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.757372][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.757401][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.757453][ T32] r4:84e5aa80 [ 1348.757479][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.757552][ T32] INFO: task kworker/0:496:7010 blocked for more than 475 seconds. [ 1348.757592][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.757656][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.757682][ T32] task:kworker/0:496 state:D stack:0 pid:7010 tgid:7010 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.757821][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.757897][ T32] Call trace: [ 1348.758049][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.758108][ T32] r10:8291880c r9:ed7b1d84 r8:00000002 r7:60000013 r6:ed7b1d8c r5:85078000 [ 1348.758132][ T32] r4:85078000 [ 1348.758151][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.758252][ T32] r5:85078000 r4:82918808 [ 1348.758277][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.758315][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.758440][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed7b1e08 [ 1348.758469][ T32] r4:00000000 [ 1348.758488][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.758525][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.758561][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.758630][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a477c0 [ 1348.758656][ T32] r4:00000000 [ 1348.758677][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.758722][ T32] r9:83018005 r8:85078000 r7:00000000 r6:83018000 r5:00001000 r4:7f64b000 [ 1348.758743][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.758813][ T32] r5:00001000 r4:ecd21000 [ 1348.758836][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.758874][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.758915][ T32] r5:859b778c r4:859b7400 [ 1348.758936][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.759006][ T32] r7:dddced80 r6:83018000 r5:859b778c r4:859f4880 [ 1348.759033][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.759089][ T32] r10:61c88647 r9:85078000 r8:859f48ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.759111][ T32] r4:859f4880 [ 1348.759186][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.759246][ T32] r10:00000000 r9:859f4880 r8:8027f5e8 r7:ed7ade60 r6:8505c200 r5:85078000 [ 1348.759300][ T32] r4:00000001 [ 1348.759353][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.759394][ T32] Exception stack(0xed7b1fb0 to 0xed7b1ff8) [ 1348.759420][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1348.759463][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.759520][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.759554][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.759589][ T32] r4:84ec9dc0 [ 1348.777762][ T32] INFO: task kworker/0:496:7010 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.777898][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.778042][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.778114][ T32] Call trace: [ 1348.778217][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.778314][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.778346][ T32] r4:00000000 [ 1348.778382][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.778433][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.778465][ T32] dd20: a417d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.778532][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.778562][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.778671][ T32] r5:80070013 r4:80239bb0 [ 1348.778703][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.778753][ T32] r4:82ac11a4 [ 1348.778799][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.778867][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.778894][ T32] r4:e884ddc0 [ 1348.778972][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.779055][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.779111][ T32] r4:00000000 [ 1348.779191][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.779242][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.779265][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.779326][ T32] r5:00001000 r4:e884f000 [ 1348.779351][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.779393][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.779435][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.779482][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.779533][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.779554][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.779627][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.779756][ T32] r4:8454db00 [ 1348.784884][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.785047][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.785088][ T32] r4:00000001 [ 1348.785127][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.785172][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.785203][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.785343][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.785374][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.785418][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.785445][ T32] r4:84e5aa80 [ 1348.785470][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.785500][ T32] INFO: task kworker/0:497:7047 blocked for more than 475 seconds. [ 1348.785535][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.785558][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.785607][ T32] task:kworker/0:497 state:D stack:0 pid:7047 tgid:7047 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.785669][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.785807][ T32] Call trace: [ 1348.785933][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.785990][ T32] r10:8291880c r9:ed79dd84 r8:00000002 r7:60000113 r6:ed79dd8c r5:8507b000 [ 1348.786047][ T32] r4:8507b000 [ 1348.786076][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.786119][ T32] r5:8507b000 r4:82918808 [ 1348.786139][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.786174][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.786240][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed79de08 [ 1348.786265][ T32] r4:00000000 [ 1348.786318][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.786387][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.786434][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.786478][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a47900 [ 1348.786532][ T32] r4:00000000 [ 1348.786593][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.786649][ T32] r9:83018005 r8:8507b000 r7:00000000 r6:83018000 r5:00001000 r4:7f677000 [ 1348.786673][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.786742][ T32] r5:00001000 r4:ed275000 [ 1348.786767][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.786809][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.786881][ T32] r5:859b7b8c r4:859b7800 [ 1348.786931][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.786980][ T32] r7:dddced80 r6:83018000 r5:859b7b8c r4:859f4900 [ 1348.787029][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.787082][ T32] r10:61c88647 r9:8507b000 r8:859f492c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.787105][ T32] r4:859f4900 [ 1348.787124][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.787167][ T32] r10:00000000 r9:859f4900 r8:8027f5e8 r7:ed7ade60 r6:8505c280 r5:8507b000 [ 1348.787190][ T32] r4:00000001 [ 1348.787210][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.787247][ T32] Exception stack(0xed79dfb0 to 0xed79dff8) [ 1348.787274][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.787331][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.787378][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.787441][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.787467][ T32] r4:85a47540 [ 1348.787989][ T32] INFO: task kworker/0:497:7047 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.788025][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.788089][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.788153][ T32] Call trace: [ 1348.788184][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.788233][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.788256][ T32] r4:00000000 [ 1348.788276][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.788347][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.788380][ T32] dd20: a417d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.788410][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.788435][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.788481][ T32] r5:80070013 r4:80239bb0 [ 1348.788534][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.788584][ T32] r4:82ac11a4 [ 1348.788632][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.788741][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.788767][ T32] r4:e884ddc0 [ 1348.788786][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.788858][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.788883][ T32] r4:00000000 [ 1348.788904][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.788950][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.788974][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.789014][ T32] r5:00001000 r4:e884f000 [ 1348.789082][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.789126][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.789227][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.789252][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.789299][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.789348][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.789397][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.789420][ T32] r4:8454db00 [ 1348.789441][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.789487][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.789509][ T32] r4:00000001 [ 1348.789528][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.789623][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.789680][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.789722][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.803419][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.803552][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.803581][ T32] r4:84e5aa80 [ 1348.803637][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.803675][ T32] INFO: task kworker/0:498:7049 blocked for more than 475 seconds. [ 1348.803713][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.803766][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.803821][ T32] task:kworker/0:498 state:D stack:0 pid:7049 tgid:7049 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.803887][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.803981][ T32] Call trace: [ 1348.804058][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.804150][ T32] r10:8291880c r9:ed7c1d84 r8:00000002 r7:60000113 r6:ed7c1d8c r5:8507a400 [ 1348.804177][ T32] r4:8507a400 [ 1348.804225][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.804302][ T32] r5:8507a400 r4:82918808 [ 1348.804326][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.804365][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.804424][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed7c1e08 [ 1348.804507][ T32] r4:00000000 [ 1348.804558][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.804624][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.804698][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.804746][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a47780 [ 1348.804772][ T32] r4:00000000 [ 1348.804792][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.804840][ T32] r9:83018005 r8:8507a400 r7:00000000 r6:83018000 r5:00001000 r4:7f679000 [ 1348.804863][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.804905][ T32] r5:00001000 r4:ed3ff000 [ 1348.804926][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.804964][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.805005][ T32] r5:859b7f8c r4:859b7c00 [ 1348.805026][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.805080][ T32] r7:dddced80 r6:83018000 r5:859b7f8c r4:859f4980 [ 1348.805103][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.805148][ T32] r10:61c88647 r9:8507a400 r8:859f49ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.805182][ T32] r4:859f4980 [ 1348.805206][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.805333][ T32] r10:00000000 r9:859f4980 r8:8027f5e8 r7:ed7ade60 r6:8505c300 r5:8507a400 [ 1348.805364][ T32] r4:00000001 [ 1348.805416][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.805518][ T32] Exception stack(0xed7c1fb0 to 0xed7c1ff8) [ 1348.805557][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1348.805636][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.805668][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.805699][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.805723][ T32] r4:85a47780 [ 1348.806247][ T32] INFO: task kworker/0:498:7049 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.806283][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.806343][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.806388][ T32] Call trace: [ 1348.806418][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.806467][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.806489][ T32] r4:00000000 [ 1348.806537][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.806581][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.806609][ T32] dd20: a446a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.806639][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.806664][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.806687][ T32] r5:80070013 r4:80239bb0 [ 1348.806735][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.806785][ T32] r4:82ac11a4 [ 1348.806806][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.806853][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.806877][ T32] r4:e884ddc0 [ 1348.806896][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.806938][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.806959][ T32] r4:00000000 [ 1348.807007][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.807060][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.807083][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.807185][ T32] r5:00001000 r4:e884f000 [ 1348.807244][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.807294][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.807338][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.807358][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.807404][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.807425][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.807552][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.807605][ T32] r4:8454db00 [ 1348.807628][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.807673][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.807695][ T32] r4:00000001 [ 1348.807737][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.807833][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.807879][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.807911][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.807939][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.807990][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.808014][ T32] r4:84e5aa80 [ 1348.808056][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.808116][ T32] INFO: task kworker/0:499:7051 blocked for more than 475 seconds. [ 1348.808177][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.808221][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.808372][ T32] task:kworker/0:499 state:D stack:0 pid:7051 tgid:7051 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.808449][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.808490][ T32] Call trace: [ 1348.808548][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.808629][ T32] r10:8291880c r9:ed7c9d84 r8:00000002 r7:60000113 r6:ed7c9d8c r5:85078c00 [ 1348.808685][ T32] r4:85078c00 [ 1348.808708][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.808749][ T32] r5:85078c00 r4:82918808 [ 1348.808768][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.808802][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.808902][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed7c9e08 [ 1348.808929][ T32] r4:00000000 [ 1348.808948][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.808985][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.809021][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.809067][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a47bc0 [ 1348.809091][ T32] r4:00000000 [ 1348.809111][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.809154][ T32] r9:83018005 r8:85078c00 r7:00000000 r6:83018000 r5:00001000 r4:7f67b000 [ 1348.809194][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.809239][ T32] r5:00001000 r4:ed429000 [ 1348.809290][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.809360][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.809404][ T32] r5:84e9fb8c r4:84e9f800 [ 1348.809424][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.809494][ T32] r7:dddced80 r6:83018000 r5:84e9fb8c r4:859f4a00 [ 1348.809518][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.809594][ T32] r10:61c88647 r9:85078c00 r8:859f4a2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.809621][ T32] r4:859f4a00 [ 1348.809640][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.809711][ T32] r10:00000000 r9:859f4a00 r8:8027f5e8 r7:ed7ade60 r6:8505c380 r5:85078c00 [ 1348.809736][ T32] r4:00000001 [ 1348.825416][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.825583][ T32] Exception stack(0xed7c9fb0 to 0xed7c9ff8) [ 1348.825622][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.825653][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.825695][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.825759][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.825788][ T32] r4:85a47880 [ 1348.826330][ T32] INFO: task kworker/0:499:7051 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.826393][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.826700][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.826790][ T32] Call trace: [ 1348.826874][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.826934][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.826959][ T32] r4:00000000 [ 1348.826997][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.827041][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.827081][ T32] dd20: a454e000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.827138][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.827167][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.827345][ T32] r5:80070013 r4:80239bb0 [ 1348.827383][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.827439][ T32] r4:82ac11a4 [ 1348.827462][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.827510][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.827560][ T32] r4:e884ddc0 [ 1348.827619][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.827669][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.827707][ T32] r4:00000000 [ 1348.827762][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.827867][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.827900][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.827946][ T32] r5:00001000 r4:e884f000 [ 1348.827993][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.828035][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.828083][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.828105][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.828183][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.828208][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.828256][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.828279][ T32] r4:8454db00 [ 1348.828300][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.828405][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.828467][ T32] r4:00000001 [ 1348.828577][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.828623][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.828765][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.828858][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.828928][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.828960][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.828983][ T32] r4:84e5aa80 [ 1348.829150][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.829185][ T32] INFO: task kworker/0:500:7053 blocked for more than 475 seconds. [ 1348.829221][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.829275][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.829303][ T32] task:kworker/0:500 state:D stack:0 pid:7053 tgid:7053 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.829410][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.829456][ T32] Call trace: [ 1348.829541][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.829594][ T32] r10:8291880c r9:ed7d1d84 r8:00000002 r7:60000113 r6:ed7d1d8c r5:8507bc00 [ 1348.829617][ T32] r4:8507bc00 [ 1348.829638][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.829676][ T32] r5:8507bc00 r4:82918808 [ 1348.829751][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.843159][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.843259][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed7d1e08 [ 1348.843311][ T32] r4:00000000 [ 1348.843381][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.843428][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.843508][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.843571][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a47c80 [ 1348.843629][ T32] r4:00000000 [ 1348.843653][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.843784][ T32] r9:83018005 r8:8507bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f697000 [ 1348.843811][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.843887][ T32] r5:00001000 r4:ed4f1000 [ 1348.843938][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.843999][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.844050][ T32] r5:84e9f78c r4:84e9f400 [ 1348.844078][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.844125][ T32] r7:dddced80 r6:83018000 r5:84e9f78c r4:859f4a80 [ 1348.844173][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.844251][ T32] r10:61c88647 r9:8507bc00 r8:859f4aac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.844277][ T32] r4:859f4a80 [ 1348.844378][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.844428][ T32] r10:00000000 r9:859f4a80 r8:8027f5e8 r7:ed7ade60 r6:8505c400 r5:8507bc00 [ 1348.844450][ T32] r4:00000001 [ 1348.844470][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.844510][ T32] Exception stack(0xed7d1fb0 to 0xed7d1ff8) [ 1348.844540][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1348.844688][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.844780][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.844814][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.844890][ T32] r4:85a47a40 [ 1348.845555][ T32] INFO: task kworker/0:500:7053 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.845614][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.845810][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.845970][ T32] Call trace: [ 1348.846009][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.846069][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.846094][ T32] r4:00000000 [ 1348.846114][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.846179][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.846247][ T32] dd20: a48bb000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.846276][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.846301][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.846325][ T32] r5:80070013 r4:80239bb0 [ 1348.846373][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.846479][ T32] r4:82ac11a4 [ 1348.846533][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.846613][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.846640][ T32] r4:e884ddc0 [ 1348.846662][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.846707][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.846769][ T32] r4:00000000 [ 1348.846793][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.846849][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.846875][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.846918][ T32] r5:00001000 r4:e884f000 [ 1348.846965][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.847008][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.847058][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.847080][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.847146][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.847288][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.847340][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.847367][ T32] r4:8454db00 [ 1348.847387][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.847431][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.847454][ T32] r4:00000001 [ 1348.847497][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.847545][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.847574][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.847654][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.847686][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.847748][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.847775][ T32] r4:84e5aa80 [ 1348.847799][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.847843][ T32] INFO: task kworker/0:501:7055 blocked for more than 475 seconds. [ 1348.847906][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.847936][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.848007][ T32] task:kworker/0:501 state:D stack:0 pid:7055 tgid:7055 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.848080][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.848135][ T32] Call trace: [ 1348.848165][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.848213][ T32] r10:8291880c r9:ed7d9d84 r8:00000002 r7:60000113 r6:ed7d9d8c r5:8507c800 [ 1348.848235][ T32] r4:8507c800 [ 1348.848254][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.848293][ T32] r5:8507c800 r4:82918808 [ 1348.848313][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.848350][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.848391][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed7d9e08 [ 1348.848426][ T32] r4:00000000 [ 1348.848449][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.848512][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.848590][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.848637][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a6eb40 [ 1348.848659][ T32] r4:00000000 [ 1348.848706][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.848753][ T32] r9:83018005 r8:8507c800 r7:00000000 r6:83018000 r5:00001000 r4:7f69f000 [ 1348.848776][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.848847][ T32] r5:00001000 r4:ed5b9000 [ 1348.848871][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.848928][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.848973][ T32] r5:859b8f8c r4:859b8c00 [ 1348.848993][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.849085][ T32] r7:dddced80 r6:83018000 r5:859b8f8c r4:859f4b00 [ 1348.849110][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.849175][ T32] r10:61c88647 r9:8507c800 r8:859f4b2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.849200][ T32] r4:859f4b00 [ 1348.849218][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.849261][ T32] r10:00000000 r9:859f4b00 r8:8027f5e8 r7:ed7ade60 r6:8505c480 r5:8507c800 [ 1348.849284][ T32] r4:00000001 [ 1348.849303][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.849337][ T32] Exception stack(0xed7d9fb0 to 0xed7d9ff8) [ 1348.849363][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.849392][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.849443][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.849504][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.849536][ T32] r4:85a47c40 [ 1348.873389][ T32] INFO: task kworker/0:501:7055 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.873536][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.873618][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.873682][ T32] Call trace: [ 1348.873716][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.873774][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.873798][ T32] r4:00000000 [ 1348.873818][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.873856][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.873885][ T32] dd20: a4c17000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.873914][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.873940][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.873963][ T32] r5:80070013 r4:80239bb0 [ 1348.873985][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.874033][ T32] r4:82ac11a4 [ 1348.874061][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.874110][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.874133][ T32] r4:e884ddc0 [ 1348.874152][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.874290][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.874320][ T32] r4:00000000 [ 1348.874341][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.874388][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.874411][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.874520][ T32] r5:00001000 r4:e884f000 [ 1348.874584][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.874634][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.874679][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.874700][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.874749][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.874771][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.874816][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.874856][ T32] r4:8454db00 [ 1348.874880][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.874942][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.874982][ T32] r4:00000001 [ 1348.875005][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.875042][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.875078][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.875108][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.875135][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.875194][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.875220][ T32] r4:84e5aa80 [ 1348.875244][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.875275][ T32] INFO: task kworker/0:502:7058 blocked for more than 475 seconds. [ 1348.875309][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.875333][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.875355][ T32] task:kworker/0:502 state:D stack:0 pid:7058 tgid:7058 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.875441][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.875483][ T32] Call trace: [ 1348.875514][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.875574][ T32] r10:8291880c r9:ed7e1d84 r8:00000002 r7:60000013 r6:ed7e1d8c r5:8507d400 [ 1348.875631][ T32] r4:8507d400 [ 1348.875693][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.875737][ T32] r5:8507d400 r4:82918808 [ 1348.875811][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.875856][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.875899][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed7e1e08 [ 1348.875964][ T32] r4:00000000 [ 1348.875989][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.876026][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.876086][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.876169][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a47f40 [ 1348.876223][ T32] r4:00000000 [ 1348.876247][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.876291][ T32] r9:83018005 r8:8507d400 r7:00000000 r6:83018000 r5:00001000 r4:7f69b000 [ 1348.876312][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.876353][ T32] r5:00001000 r4:ed539000 [ 1348.876399][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.876442][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.876484][ T32] r5:859b878c r4:859b8400 [ 1348.876529][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.876576][ T32] r7:dddced80 r6:83018000 r5:859b878c r4:859f4b80 [ 1348.876599][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.876644][ T32] r10:61c88647 r9:8507d400 r8:859f4bac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.876667][ T32] r4:859f4b80 [ 1348.876714][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.876761][ T32] r10:00000000 r9:859f4b80 r8:8027f5e8 r7:ed7d9e60 r6:8505c500 r5:8507d400 [ 1348.876813][ T32] r4:00000001 [ 1348.876865][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.876919][ T32] Exception stack(0xed7e1fb0 to 0xed7e1ff8) [ 1348.876950][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1348.876992][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.877023][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.877057][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.877096][ T32] r4:85a47d40 [ 1348.877503][ T32] INFO: task kworker/0:502:7058 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.877537][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.877685][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.877758][ T32] Call trace: [ 1348.877793][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.877872][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.877900][ T32] r4:00000000 [ 1348.877920][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.877985][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.878017][ T32] dd20: a4c17000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.878069][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.878100][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.878125][ T32] r5:80070013 r4:80239bb0 [ 1348.878158][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.878235][ T32] r4:82ac11a4 [ 1348.878256][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.878303][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.878325][ T32] r4:e884ddc0 [ 1348.878344][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.878386][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.878421][ T32] r4:00000000 [ 1348.878446][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.878520][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.878547][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.878589][ T32] r5:00001000 r4:e884f000 [ 1348.878608][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.878647][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.878717][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.878768][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.878821][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.878842][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.878931][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.879013][ T32] r4:8454db00 [ 1348.879056][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.879106][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.879129][ T32] r4:00000001 [ 1348.879206][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.879245][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.879272][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.879301][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.879328][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.879384][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.879411][ T32] r4:84e5aa80 [ 1348.879431][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.879458][ T32] INFO: task kworker/0:503:7059 blocked for more than 475 seconds. [ 1348.879486][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.879508][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.879529][ T32] task:kworker/0:503 state:D stack:0 pid:7059 tgid:7059 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.879572][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.879615][ T32] Call trace: [ 1348.879745][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.890632][ T32] r10:8291880c r9:ed7e5d84 r8:00000002 r7:60000013 r6:ed7e5d8c r5:8507ec00 [ 1348.890682][ T32] r4:8507ec00 [ 1348.890707][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.890773][ T32] r5:8507ec00 r4:82918808 [ 1348.890823][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.890896][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.890946][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed7e5e08 [ 1348.890969][ T32] r4:00000000 [ 1348.890989][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.891063][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.891161][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.891228][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a47180 [ 1348.891251][ T32] r4:00000000 [ 1348.891275][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.891323][ T32] r9:83018005 r8:8507ec00 r7:00000000 r6:83018000 r5:00001000 r4:7f69d000 [ 1348.891345][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.891418][ T32] r5:00001000 r4:ed569000 [ 1348.891457][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.891502][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.891558][ T32] r5:859b8b8c r4:859b8800 [ 1348.891619][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.891671][ T32] r7:dddced80 r6:83018000 r5:859b8b8c r4:859f4c00 [ 1348.891719][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.891771][ T32] r10:61c88647 r9:8507ec00 r8:859f4c2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.891853][ T32] r4:859f4c00 [ 1348.891912][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.892004][ T32] r10:00000000 r9:859f4c00 r8:8027f5e8 r7:ed7d9e60 r6:8505c580 r5:8507ec00 [ 1348.892031][ T32] r4:00000001 [ 1348.892091][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.892200][ T32] Exception stack(0xed7e5fb0 to 0xed7e5ff8) [ 1348.892262][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.892303][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.892417][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.892479][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.892505][ T32] r4:85a47d40 [ 1348.893008][ T32] INFO: task kworker/0:503:7059 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.893045][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.893214][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.893268][ T32] Call trace: [ 1348.893301][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.893352][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.893376][ T32] r4:00000000 [ 1348.893456][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.893520][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.893551][ T32] dd20: a4dae000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.893580][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.893604][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.893627][ T32] r5:80070013 r4:80239bb0 [ 1348.893647][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.893691][ T32] r4:82ac11a4 [ 1348.893710][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.893756][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.893780][ T32] r4:e884ddc0 [ 1348.893798][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.893840][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.893907][ T32] r4:00000000 [ 1348.893931][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.894004][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.894030][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.894107][ T32] r5:00001000 r4:e884f000 [ 1348.894131][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.894172][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.894241][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.894319][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.894463][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.894488][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.894535][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.894584][ T32] r4:8454db00 [ 1348.894608][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.894654][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.894677][ T32] r4:00000001 [ 1348.894696][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.894730][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.894756][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.894784][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.894810][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.894838][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.894860][ T32] r4:84e5aa80 [ 1348.894887][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.895004][ T32] INFO: task kworker/0:504:7062 blocked for more than 475 seconds. [ 1348.895043][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.895081][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.895104][ T32] task:kworker/0:504 state:D stack:0 pid:7062 tgid:7062 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.895150][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.895223][ T32] Call trace: [ 1348.895289][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.895365][ T32] r10:8291880c r9:ed7e9d84 r8:00000002 r7:60000013 r6:ed7e9d8c r5:8507e000 [ 1348.895393][ T32] r4:8507e000 [ 1348.895414][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.895481][ T32] r5:8507e000 r4:82918808 [ 1348.895506][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.895544][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.895585][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed7e9e08 [ 1348.895606][ T32] r4:00000000 [ 1348.895625][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.895658][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.895694][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.895736][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a47080 [ 1348.895757][ T32] r4:00000000 [ 1348.895777][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.895821][ T32] r9:83018005 r8:8507e000 r7:00000000 r6:83018000 r5:00001000 r4:7f6a1000 [ 1348.895842][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.895881][ T32] r5:00001000 r4:ed5d9000 [ 1348.895930][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.896001][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.896046][ T32] r5:859b938c r4:859b9000 [ 1348.896100][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.896234][ T32] r7:dddced80 r6:83018000 r5:859b938c r4:859f4c80 [ 1348.896259][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.896331][ T32] r10:61c88647 r9:8507e000 r8:859f4cac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.896358][ T32] r4:859f4c80 [ 1348.896379][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.896498][ T32] r10:00000000 r9:859f4c80 r8:8027f5e8 r7:ed7d9e60 r6:8505c600 r5:8507e000 [ 1348.896536][ T32] r4:00000001 [ 1348.896621][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.896690][ T32] Exception stack(0xed7e9fb0 to 0xed7e9ff8) [ 1348.896736][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.896768][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.896858][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.896892][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.896944][ T32] r4:85a6e980 [ 1348.897291][ T32] INFO: task kworker/0:504:7062 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.897323][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.897416][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.897525][ T32] Call trace: [ 1348.897590][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.897641][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.897665][ T32] r4:00000000 [ 1348.897684][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.897721][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.897748][ T32] dd20: a4dae000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.897775][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.897828][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.897856][ T32] r5:80070013 r4:80239bb0 [ 1348.897906][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.897955][ T32] r4:82ac11a4 [ 1348.898002][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.898059][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.898112][ T32] r4:e884ddc0 [ 1348.898163][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.898226][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.898250][ T32] r4:00000000 [ 1348.898270][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.898343][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.898399][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.898446][ T32] r5:00001000 r4:e884f000 [ 1348.898466][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.898505][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.898547][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.898567][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.898641][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.898667][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.898714][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.898766][ T32] r4:8454db00 [ 1348.898789][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.898833][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.898883][ T32] r4:00000001 [ 1348.898936][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.898976][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.899030][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.899068][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.899123][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.899213][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.899239][ T32] r4:84e5aa80 [ 1348.899289][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.899320][ T32] INFO: task kworker/0:505:7064 blocked for more than 475 seconds. [ 1348.899355][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.899380][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.899402][ T32] task:kworker/0:505 state:D stack:0 pid:7064 tgid:7064 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.899481][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.899522][ T32] Call trace: [ 1348.899554][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.899601][ T32] r10:8291880c r9:ed7f1d84 r8:00000002 r7:60000113 r6:ed7f1d8c r5:85980c00 [ 1348.899710][ T32] r4:85980c00 [ 1348.899734][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.899775][ T32] r5:85980c00 r4:82918808 [ 1348.899871][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.925475][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.925575][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed7f1e08 [ 1348.925601][ T32] r4:00000000 [ 1348.925624][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.925719][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.925797][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.925848][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e59480 [ 1348.925871][ T32] r4:00000000 [ 1348.925892][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.925985][ T32] r9:83018005 r8:85980c00 r7:00000000 r6:83018000 r5:00001000 r4:7f6a9000 [ 1348.926013][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.926098][ T32] r5:00001000 r4:ed683000 [ 1348.926150][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.926219][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.926265][ T32] r5:859ba38c r4:859ba000 [ 1348.926305][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.926358][ T32] r7:dddced80 r6:83018000 r5:859ba38c r4:859f4d00 [ 1348.926380][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.926425][ T32] r10:61c88647 r9:85980c00 r8:859f4d2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.926505][ T32] r4:859f4d00 [ 1348.926531][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.926605][ T32] r10:00000000 r9:859f4d00 r8:8027f5e8 r7:ed7e9e60 r6:8505c680 r5:85980c00 [ 1348.926634][ T32] r4:00000001 [ 1348.926701][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.926744][ T32] Exception stack(0xed7f1fb0 to 0xed7f1ff8) [ 1348.926802][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1348.926891][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.926923][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.926952][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.926974][ T32] r4:85a47380 [ 1348.927497][ T32] INFO: task kworker/0:505:7064 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.927577][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.927655][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.927789][ T32] Call trace: [ 1348.927823][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.927874][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.927951][ T32] r4:00000000 [ 1348.928002][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.928043][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.928080][ T32] dd20: a4f75000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.928110][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.928163][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.928192][ T32] r5:80070013 r4:80239bb0 [ 1348.928241][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.928291][ T32] r4:82ac11a4 [ 1348.928312][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.928359][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.928393][ T32] r4:e884ddc0 [ 1348.928417][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.928463][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.928486][ T32] r4:00000000 [ 1348.928505][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.928547][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.928570][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.928612][ T32] r5:00001000 r4:e884f000 [ 1348.928638][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.928678][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.928807][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.928831][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.928878][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.928918][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.928995][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.929023][ T32] r4:8454db00 [ 1348.929042][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.929120][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.929150][ T32] r4:00000001 [ 1348.929171][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.929229][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.929258][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.929373][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.929434][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.929495][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.929548][ T32] r4:84e5aa80 [ 1348.929601][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.929634][ T32] INFO: task kworker/0:506:7066 blocked for more than 475 seconds. [ 1348.929670][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.929695][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.929717][ T32] task:kworker/0:506 state:D stack:0 pid:7066 tgid:7066 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.943405][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.943505][ T32] Call trace: [ 1348.943573][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.943665][ T32] r10:8291880c r9:ed7f9d84 r8:00000002 r7:60000113 r6:ed7f9d8c r5:85ab0000 [ 1348.943707][ T32] r4:85ab0000 [ 1348.943732][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.943776][ T32] r5:85ab0000 r4:82918808 [ 1348.943798][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.943835][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.943877][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed7f9e08 [ 1348.943899][ T32] r4:00000000 [ 1348.943918][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.943953][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.943993][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.944061][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e36f40 [ 1348.944091][ T32] r4:00000000 [ 1348.944113][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.944160][ T32] r9:83018005 r8:85ab0000 r7:00000000 r6:83018000 r5:00001000 r4:7f6a3000 [ 1348.944211][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.944273][ T32] r5:00001000 r4:ed5fd000 [ 1348.944298][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.944338][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.944381][ T32] r5:859b978c r4:859b9400 [ 1348.944402][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.944447][ T32] r7:dddced80 r6:83018000 r5:859b978c r4:859f4d80 [ 1348.944469][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.944513][ T32] r10:61c88647 r9:85ab0000 r8:859f4dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.944535][ T32] r4:859f4d80 [ 1348.944582][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.944634][ T32] r10:00000000 r9:859f4d80 r8:8027f5e8 r7:ed7f1e60 r6:8505c700 r5:85ab0000 [ 1348.944659][ T32] r4:00000001 [ 1348.944678][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.944715][ T32] Exception stack(0xed7f9fb0 to 0xed7f9ff8) [ 1348.944742][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1348.944770][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.944795][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.944824][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.944846][ T32] r4:85058f40 [ 1348.945384][ T32] INFO: task kworker/0:506:7066 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.945423][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.945514][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.945663][ T32] Call trace: [ 1348.945695][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.945746][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.945769][ T32] r4:00000000 [ 1348.945788][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.945824][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.945916][ T32] dd20: a5311000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.945949][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.945975][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.945999][ T32] r5:80070013 r4:80239bb0 [ 1348.946031][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.946087][ T32] r4:82ac11a4 [ 1348.946108][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.946155][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.946176][ T32] r4:e884ddc0 [ 1348.946213][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.946259][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.946282][ T32] r4:00000000 [ 1348.946301][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.946343][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.946365][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.946407][ T32] r5:00001000 r4:e884f000 [ 1348.946428][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.946466][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.946507][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.946527][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.946646][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.946674][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.946721][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.946743][ T32] r4:8454db00 [ 1348.946761][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.946805][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.946829][ T32] r4:00000001 [ 1348.946849][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.946978][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.947009][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.947040][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.947075][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.947105][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.947127][ T32] r4:84e5aa80 [ 1348.947208][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.947242][ T32] INFO: task kworker/0:507:7068 blocked for more than 475 seconds. [ 1348.947279][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.947304][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.947326][ T32] task:kworker/0:507 state:D stack:0 pid:7068 tgid:7068 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.947544][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.947588][ T32] Call trace: [ 1348.947619][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.947667][ T32] r10:8291880c r9:ed801d84 r8:00000002 r7:60000013 r6:ed801d8c r5:85ab1800 [ 1348.947690][ T32] r4:85ab1800 [ 1348.947708][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.947945][ T32] r5:85ab1800 r4:82918808 [ 1348.948056][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.948109][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.948152][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed801e08 [ 1348.948201][ T32] r4:00000000 [ 1348.948224][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.948260][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.948296][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.948395][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e59100 [ 1348.948421][ T32] r4:00000000 [ 1348.948545][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.948605][ T32] r9:83018005 r8:85ab1800 r7:00000000 r6:83018000 r5:00001000 r4:7f6a5000 [ 1348.948631][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.948672][ T32] r5:00001000 r4:ed665000 [ 1348.948754][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.948796][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.948840][ T32] r5:859b9b8c r4:859b9800 [ 1348.948859][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.948902][ T32] r7:dddced80 r6:83018000 r5:859b9b8c r4:859f4e00 [ 1348.948923][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.948967][ T32] r10:61c88647 r9:85ab1800 r8:859f4e2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.949031][ T32] r4:859f4e00 [ 1348.949059][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.949107][ T32] r10:00000000 r9:859f4e00 r8:8027f5e8 r7:ed7f1e60 r6:8505c780 r5:85ab1800 [ 1348.949173][ T32] r4:00000001 [ 1348.949197][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.949233][ T32] Exception stack(0xed801fb0 to 0xed801ff8) [ 1348.949285][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1348.949317][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.949344][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.949371][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.949394][ T32] r4:84e59080 [ 1348.949737][ T32] INFO: task kworker/0:507:7068 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.949849][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.974824][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.974898][ T32] Call trace: [ 1348.974969][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.975028][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.975059][ T32] r4:00000000 [ 1348.975084][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.975152][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.975260][ T32] dd20: a56e5000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.975293][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.975362][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.975464][ T32] r5:80070013 r4:80239bb0 [ 1348.975490][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.975539][ T32] r4:82ac11a4 [ 1348.975559][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.975605][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.975626][ T32] r4:e884ddc0 [ 1348.975645][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.975688][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.975710][ T32] r4:00000000 [ 1348.975729][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.975774][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.975818][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.976016][ T32] r5:00001000 r4:e884f000 [ 1348.976041][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.976119][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.976166][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.976230][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.976287][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.976337][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.976389][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.976412][ T32] r4:8454db00 [ 1348.976537][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.976588][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.976611][ T32] r4:00000001 [ 1348.976632][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.976668][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.976737][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.976828][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.976932][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.976965][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.976988][ T32] r4:84e5aa80 [ 1348.977032][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1348.977081][ T32] INFO: task kworker/0:508:7069 blocked for more than 475 seconds. [ 1348.977235][ T32] Not tainted 6.15.0-syzkaller #0 [ 1348.977266][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1348.977290][ T32] task:kworker/0:508 state:D stack:0 pid:7069 tgid:7069 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.977335][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.977376][ T32] Call trace: [ 1348.977407][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1348.977454][ T32] r10:8291880c r9:ed805d84 r8:00000002 r7:60000113 r6:ed805d8c r5:85ab2400 [ 1348.977478][ T32] r4:85ab2400 [ 1348.977498][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1348.977537][ T32] r5:85ab2400 r4:82918808 [ 1348.977631][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1348.977744][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1348.977852][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed805e08 [ 1348.977970][ T32] r4:00000000 [ 1348.977992][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1348.978055][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1348.978099][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.978169][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e59340 [ 1348.978215][ T32] r4:00000000 [ 1348.978237][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.978282][ T32] r9:83018005 r8:85ab2400 r7:00000000 r6:83018000 r5:00001000 r4:7f6a7000 [ 1348.978392][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.978589][ T32] r5:00001000 r4:ed673000 [ 1348.978701][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.978818][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.978870][ T32] r5:859b9f8c r4:859b9c00 [ 1348.978891][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.978935][ T32] r7:dddced80 r6:83018000 r5:859b9f8c r4:859f4e80 [ 1348.978955][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.979000][ T32] r10:61c88647 r9:85ab2400 r8:859f4eac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1348.979021][ T32] r4:859f4e80 [ 1348.979040][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.979090][ T32] r10:00000000 r9:859f4e80 r8:8027f5e8 r7:ed7f1e60 r6:8505c800 r5:85ab2400 [ 1348.979112][ T32] r4:00000001 [ 1348.979131][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.979165][ T32] Exception stack(0xed805fb0 to 0xed805ff8) [ 1348.979215][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1348.979253][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.979281][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.979309][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.979391][ T32] r4:84e59280 [ 1348.979888][ T32] INFO: task kworker/0:508:7069 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1348.987814][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1348.987993][ T32] Workqueue: events bpf_prog_free_deferred [ 1348.988062][ T32] Call trace: [ 1348.988097][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1348.988171][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1348.988212][ T32] r4:00000000 [ 1348.988251][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1348.988296][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1348.988328][ T32] dd20: a56e5000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1348.988356][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1348.988381][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1348.988405][ T32] r5:80070013 r4:80239bb0 [ 1348.988425][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1348.988497][ T32] r4:82ac11a4 [ 1348.988522][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1348.988598][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1348.988659][ T32] r4:e884ddc0 [ 1348.988686][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1348.988807][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1348.988834][ T32] r4:00000000 [ 1348.988913][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1348.989020][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1348.989048][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1348.989097][ T32] r5:00001000 r4:e884f000 [ 1348.989117][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1348.989156][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1348.989198][ T32] r5:84fe9f8c r4:84fe9c00 [ 1348.989218][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1348.989264][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1348.989300][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1348.989349][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1348.989372][ T32] r4:8454db00 [ 1348.989393][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1348.989438][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1348.989460][ T32] r4:00000001 [ 1348.989518][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1348.989558][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1348.989588][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1348.989617][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1348.989643][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1348.989671][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1348.989694][ T32] r4:84e5aa80 [ 1348.989785][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.003245][ T32] INFO: task kworker/0:509:7072 blocked for more than 475 seconds. [ 1349.003331][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.003360][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.003648][ T32] task:kworker/0:509 state:D stack:0 pid:7072 tgid:7072 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.003723][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.003843][ T32] Call trace: [ 1349.003963][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.004082][ T32] r10:8291880c r9:ed811d84 r8:00000002 r7:60000013 r6:ed811d8c r5:85ab0c00 [ 1349.004112][ T32] r4:85ab0c00 [ 1349.004135][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.004178][ T32] r5:85ab0c00 r4:82918808 [ 1349.004199][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.004236][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.004277][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed811e08 [ 1349.004373][ T32] r4:00000000 [ 1349.004500][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.004615][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.004662][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.004822][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e59980 [ 1349.004849][ T32] r4:00000000 [ 1349.004870][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.004945][ T32] r9:83018005 r8:85ab0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f6b1000 [ 1349.005056][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.005170][ T32] r5:00001000 r4:ed6df000 [ 1349.005195][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.005237][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.005305][ T32] r5:859bb38c r4:859bb000 [ 1349.005572][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.005630][ T32] r7:dddced80 r6:83018000 r5:859bb38c r4:859f4f00 [ 1349.005695][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.005806][ T32] r10:61c88647 r9:85ab0c00 r8:859f4f2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.005832][ T32] r4:859f4f00 [ 1349.005854][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.005928][ T32] r10:00000000 r9:859f4f00 r8:8027f5e8 r7:ed7f1e60 r6:8505c880 r5:85ab0c00 [ 1349.005955][ T32] r4:00000001 [ 1349.005976][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.006165][ T32] Exception stack(0xed811fb0 to 0xed811ff8) [ 1349.006224][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.006256][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.006283][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.006312][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.006438][ T32] r4:84e591c0 [ 1349.006945][ T32] INFO: task kworker/0:509:7072 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.006980][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.007306][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.007501][ T32] Call trace: [ 1349.007537][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.007588][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.007611][ T32] r4:00000000 [ 1349.007630][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.007709][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.007742][ T32] dd20: a5886000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.007829][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.007859][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.007883][ T32] r5:80070013 r4:80239bb0 [ 1349.007905][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.007950][ T32] r4:82ac11a4 [ 1349.007995][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.008043][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.008070][ T32] r4:e884ddc0 [ 1349.008089][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.008132][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.008154][ T32] r4:00000000 [ 1349.008247][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.008369][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.008395][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.008490][ T32] r5:00001000 r4:e884f000 [ 1349.008515][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.008568][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.008614][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.008634][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.008684][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.008797][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.008846][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.008868][ T32] r4:8454db00 [ 1349.008887][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.008931][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.008953][ T32] r4:00000001 [ 1349.009059][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.009103][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.009219][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.009253][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.009282][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.009310][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.009381][ T32] r4:84e5aa80 [ 1349.009404][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.009430][ T32] INFO: task kworker/0:510:7073 blocked for more than 475 seconds. [ 1349.009459][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.009483][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.009543][ T32] task:kworker/0:510 state:D stack:0 pid:7073 tgid:7073 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.009592][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.009664][ T32] Call trace: [ 1349.009695][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.009742][ T32] r10:8291880c r9:ed815d84 r8:00000002 r7:60000113 r6:ed815d8c r5:85ab4800 [ 1349.028590][ T32] r4:85ab4800 [ 1349.028685][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.028757][ T32] r5:85ab4800 r4:82918808 [ 1349.028779][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.028893][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.028942][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed815e08 [ 1349.028965][ T32] r4:00000000 [ 1349.028985][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.029023][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.029099][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.029150][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e595c0 [ 1349.029173][ T32] r4:00000000 [ 1349.029297][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.029348][ T32] r9:83018005 r8:85ab4800 r7:00000000 r6:83018000 r5:00001000 r4:7f6ab000 [ 1349.029371][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.029413][ T32] r5:00001000 r4:ed699000 [ 1349.029433][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.029471][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.029513][ T32] r5:859ba78c r4:859ba400 [ 1349.029622][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.029788][ T32] r7:dddced80 r6:83018000 r5:859ba78c r4:859f4f80 [ 1349.032566][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.032648][ T32] r10:61c88647 r9:85ab4800 r8:859f4fac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.032675][ T32] r4:859f4f80 [ 1349.032769][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.032821][ T32] r10:00000000 r9:859f4f80 r8:8027f5e8 r7:ed811e60 r6:8505c900 r5:85ab4800 [ 1349.032844][ T32] r4:00000001 [ 1349.032864][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.032901][ T32] Exception stack(0xed815fb0 to 0xed815ff8) [ 1349.032930][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.032987][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.033058][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.033199][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.033229][ T32] r4:84e59300 [ 1349.033732][ T32] INFO: task kworker/0:510:7073 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.033795][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.034026][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.034167][ T32] Call trace: [ 1349.034225][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.034357][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.034385][ T32] r4:00000000 [ 1349.034479][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.034522][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.034551][ T32] dd20: a5a96000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.034581][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.034606][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.034794][ T32] r5:80070013 r4:80239bb0 [ 1349.034821][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.034895][ T32] r4:82ac11a4 [ 1349.034919][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.034996][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.035105][ T32] r4:e884ddc0 [ 1349.035218][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.035267][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.035292][ T32] r4:00000000 [ 1349.035340][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.035389][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.035411][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.035453][ T32] r5:00001000 r4:e884f000 [ 1349.035473][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.035511][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.035760][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.035785][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.035874][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.035900][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.035947][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.035970][ T32] r4:8454db00 [ 1349.035989][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.036031][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.036100][ T32] r4:00000001 [ 1349.036124][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.036160][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.036186][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.036234][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.036293][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.036354][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.036379][ T32] r4:84e5aa80 [ 1349.036400][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.036428][ T32] INFO: task kworker/0:511:7075 blocked for more than 475 seconds. [ 1349.036464][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.036488][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.036509][ T32] task:kworker/0:511 state:D stack:0 pid:7075 tgid:7075 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.036563][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.036636][ T32] Call trace: [ 1349.036717][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.036907][ T32] r10:8291880c r9:ed81dd84 r8:00000002 r7:60000013 r6:ed81dd8c r5:85ab3c00 [ 1349.037045][ T32] r4:85ab3c00 [ 1349.037164][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.037208][ T32] r5:85ab3c00 r4:82918808 [ 1349.037229][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.037265][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.037305][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed81de08 [ 1349.037379][ T32] r4:00000000 [ 1349.037403][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.037440][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.037476][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.037530][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e59700 [ 1349.037555][ T32] r4:00000000 [ 1349.037575][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.037618][ T32] r9:83018005 r8:85ab3c00 r7:00000000 r6:83018000 r5:00001000 r4:7f6ad000 [ 1349.037659][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.037704][ T32] r5:00001000 r4:ed6ad000 [ 1349.037723][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.037761][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.037800][ T32] r5:859bab8c r4:859ba800 [ 1349.037819][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.037861][ T32] r7:dddced80 r6:83018000 r5:859bab8c r4:859ff000 [ 1349.037881][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.037924][ T32] r10:61c88647 r9:85ab3c00 r8:859ff02c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.037947][ T32] r4:859ff000 [ 1349.037966][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.038009][ T32] r10:00000000 r9:859ff000 r8:8027f5e8 r7:ed811e60 r6:8505c980 r5:85ab3c00 [ 1349.038046][ T32] r4:00000001 [ 1349.038074][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.038111][ T32] Exception stack(0xed81dfb0 to 0xed81dff8) [ 1349.038137][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.038180][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.038238][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.038357][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.038383][ T32] r4:84e59440 [ 1349.038690][ T32] INFO: task kworker/0:511:7075 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.038723][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.038778][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.038821][ T32] Call trace: [ 1349.038851][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.038926][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.038979][ T32] r4:00000000 [ 1349.039010][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.039095][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.039128][ T32] dd20: a5a96000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.039157][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.039182][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.039205][ T32] r5:80070013 r4:80239bb0 [ 1349.039225][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.039268][ T32] r4:82ac11a4 [ 1349.039288][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.039335][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.039382][ T32] r4:e884ddc0 [ 1349.039431][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.039478][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.039502][ T32] r4:00000000 [ 1349.039521][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.039564][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.039610][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.039665][ T32] r5:00001000 r4:e884f000 [ 1349.039687][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.039727][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.060256][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.060304][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.060377][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.060399][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.060446][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.060468][ T32] r4:8454db00 [ 1349.060506][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.060557][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.060582][ T32] r4:00000001 [ 1349.060601][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.060666][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.060972][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.061006][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.061060][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.061127][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.061178][ T32] r4:84e5aa80 [ 1349.061235][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.061272][ T32] INFO: task kworker/0:512:7077 blocked for more than 475 seconds. [ 1349.061377][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.061410][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.061464][ T32] task:kworker/0:512 state:D stack:0 pid:7077 tgid:7077 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.061558][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.061606][ T32] Call trace: [ 1349.061777][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.061838][ T32] r10:8291880c r9:ed7d5d84 r8:00000002 r7:60000113 r6:ed7d5d8c r5:84c94800 [ 1349.061863][ T32] r4:84c94800 [ 1349.061884][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.061923][ T32] r5:84c94800 r4:82918808 [ 1349.061999][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.062077][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.062125][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed7d5e08 [ 1349.062147][ T32] r4:00000000 [ 1349.062166][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.062230][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.062342][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.062393][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e59840 [ 1349.062445][ T32] r4:00000000 [ 1349.062486][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.062620][ T32] r9:83018005 r8:84c94800 r7:00000000 r6:83018000 r5:00001000 r4:7f6af000 [ 1349.062647][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.062719][ T32] r5:00001000 r4:ed6d1000 [ 1349.062746][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.062788][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.062847][ T32] r5:859baf8c r4:859bac00 [ 1349.063004][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.063058][ T32] r7:dddced80 r6:83018000 r5:859baf8c r4:859ff080 [ 1349.063082][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.063214][ T32] r10:61c88647 r9:84c94800 r8:859ff0ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.063241][ T32] r4:859ff080 [ 1349.063261][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.063305][ T32] r10:00000000 r9:859ff080 r8:8027f5e8 r7:ed811e60 r6:859ff100 r5:84c94800 [ 1349.063328][ T32] r4:00000001 [ 1349.063347][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.063383][ T32] Exception stack(0xed7d5fb0 to 0xed7d5ff8) [ 1349.063409][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.063440][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.063517][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.063549][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.063574][ T32] r4:84e59580 [ 1349.064073][ T32] INFO: task kworker/0:512:7077 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.064108][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.064196][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.064303][ T32] Call trace: [ 1349.064431][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.064482][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.064506][ T32] r4:00000000 [ 1349.064526][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.064563][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.064592][ T32] dd20: a5d8a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.064643][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.064757][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.064871][ T32] r5:80070013 r4:80239bb0 [ 1349.064954][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.065005][ T32] r4:82ac11a4 [ 1349.065133][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.065186][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.065252][ T32] r4:e884ddc0 [ 1349.065370][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.065419][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.065483][ T32] r4:00000000 [ 1349.065515][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.065560][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.065643][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.065735][ T32] r5:00001000 r4:e884f000 [ 1349.065785][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.065964][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.066118][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.066214][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.066305][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.066332][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.066378][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.066401][ T32] r4:8454db00 [ 1349.066420][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.066463][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.066515][ T32] r4:00000001 [ 1349.066630][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.066743][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.066773][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.066802][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.066831][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.066932][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.067058][ T32] r4:84e5aa80 [ 1349.067084][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.067111][ T32] INFO: task kworker/0:513:7080 blocked for more than 475 seconds. [ 1349.067142][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.067166][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.067214][ T32] task:kworker/0:513 state:D stack:0 pid:7080 tgid:7080 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.067299][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.067429][ T32] Call trace: [ 1349.067460][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.067508][ T32] r10:8291880c r9:ed821d84 r8:00000002 r7:60000113 r6:ed821d8c r5:84c96000 [ 1349.067531][ T32] r4:84c96000 [ 1349.067549][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.067587][ T32] r5:84c96000 r4:82918808 [ 1349.067606][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.067702][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.067749][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed821e08 [ 1349.067772][ T32] r4:00000000 [ 1349.067818][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.067857][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.067932][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.068125][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e59e00 [ 1349.068154][ T32] r4:00000000 [ 1349.068320][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.068367][ T32] r9:83018005 r8:84c96000 r7:00000000 r6:83018000 r5:00001000 r4:7f6b7000 [ 1349.068389][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.068598][ T32] r5:00001000 r4:ed70f000 [ 1349.068621][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.068660][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.068704][ T32] r5:859bbb8c r4:859bb800 [ 1349.068881][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.069094][ T32] r7:dddced80 r6:83018000 r5:859bbb8c r4:859ff180 [ 1349.069147][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.069196][ T32] r10:61c88647 r9:84c96000 r8:859ff1ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.069219][ T32] r4:859ff180 [ 1349.069238][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.069280][ T32] r10:00000000 r9:859ff180 r8:8027f5e8 r7:ed811e60 r6:859ff200 r5:84c96000 [ 1349.069414][ T32] r4:00000001 [ 1349.069437][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.069474][ T32] Exception stack(0xed821fb0 to 0xed821ff8) [ 1349.069501][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.069555][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.069586][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.069615][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.069638][ T32] r4:84e59800 [ 1349.100502][ T32] INFO: task kworker/0:513:7080 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.100638][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.100752][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.100823][ T32] Call trace: [ 1349.100856][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.100966][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.100995][ T32] r4:00000000 [ 1349.101016][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.101070][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.101132][ T32] dd20: a6111000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.101194][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.101224][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.101249][ T32] r5:80070013 r4:80239bb0 [ 1349.101270][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.101326][ T32] r4:82ac11a4 [ 1349.101363][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.101416][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.101439][ T32] r4:e884ddc0 [ 1349.101460][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.101562][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.101588][ T32] r4:00000000 [ 1349.101609][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.101655][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.101676][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.101756][ T32] r5:00001000 r4:e884f000 [ 1349.101812][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.101861][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.101924][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.101949][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.102106][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.102134][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.102180][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.102226][ T32] r4:8454db00 [ 1349.102246][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.102399][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.102426][ T32] r4:00000001 [ 1349.102447][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.102520][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.102709][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.102742][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.102769][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.102797][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.102819][ T32] r4:84e5aa80 [ 1349.102906][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.103024][ T32] INFO: task kworker/0:514:7081 blocked for more than 475 seconds. [ 1349.103070][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.103096][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.103119][ T32] task:kworker/0:514 state:D stack:0 pid:7081 tgid:7081 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.103194][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.103348][ T32] Call trace: [ 1349.103382][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.103841][ T32] r10:8291880c r9:ed7b9d84 r8:00000002 r7:60000113 r6:ed7b9d8c r5:84e89800 [ 1349.103962][ T32] r4:84e89800 [ 1349.103987][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.104079][ T32] r5:84e89800 r4:82918808 [ 1349.104137][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.104180][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.104238][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed7b9e08 [ 1349.104301][ T32] r4:00000000 [ 1349.104323][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.104456][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.104498][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.104540][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e59b40 [ 1349.104562][ T32] r4:00000000 [ 1349.104666][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.104715][ T32] r9:83018005 r8:84e89800 r7:00000000 r6:83018000 r5:00001000 r4:7f6b3000 [ 1349.104736][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.104776][ T32] r5:00001000 r4:ed6f3000 [ 1349.104795][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.104832][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.104959][ T32] r5:859bb78c r4:859bb400 [ 1349.105027][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.105085][ T32] r7:dddced80 r6:83018000 r5:859bb78c r4:859ff280 [ 1349.105109][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.105153][ T32] r10:61c88647 r9:84e89800 r8:859ff2ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.105177][ T32] r4:859ff280 [ 1349.105196][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.105242][ T32] r10:00000000 r9:859ff280 r8:8027f5e8 r7:ed821e60 r6:859ff300 r5:84e89800 [ 1349.105264][ T32] r4:00000001 [ 1349.105282][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.105316][ T32] Exception stack(0xed7b9fb0 to 0xed7b9ff8) [ 1349.105342][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.105394][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.105424][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.105452][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.105512][ T32] r4:84e59800 [ 1349.105878][ T32] INFO: task kworker/0:514:7081 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.105912][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.105995][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.106097][ T32] Call trace: [ 1349.106242][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.106334][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.106512][ T32] r4:00000000 [ 1349.106536][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.106574][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.106601][ T32] dd20: a6111000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.106629][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.106750][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.106829][ T32] r5:80070013 r4:80239bb0 [ 1349.106853][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.106898][ T32] r4:82ac11a4 [ 1349.106923][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.106971][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.106995][ T32] r4:e884ddc0 [ 1349.107014][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.107061][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.107084][ T32] r4:00000000 [ 1349.107104][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.107146][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.107168][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.107209][ T32] r5:00001000 r4:e884f000 [ 1349.107870][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.107923][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.108018][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.108044][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.108631][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.108656][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.108703][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.108747][ T32] r4:8454db00 [ 1349.108770][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.108814][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.108839][ T32] r4:00000001 [ 1349.108859][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.108894][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.108920][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.109029][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.109065][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.109095][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.109200][ T32] r4:84e5aa80 [ 1349.109392][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.109802][ T32] INFO: task kworker/0:515:7085 blocked for more than 475 seconds. [ 1349.143185][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.143276][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.143313][ T32] task:kworker/0:515 state:D stack:0 pid:7085 tgid:7085 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.143440][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.143682][ T32] Call trace: [ 1349.143721][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.143783][ T32] r10:8291880c r9:ed831d84 r8:00000002 r7:60000113 r6:ed831d8c r5:84c55400 [ 1349.143901][ T32] r4:84c55400 [ 1349.143926][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.143969][ T32] r5:84c55400 r4:82918808 [ 1349.144022][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.144071][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.144146][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed831e08 [ 1349.144262][ T32] r4:00000000 [ 1349.144379][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.144420][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.144477][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.144524][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e46040 [ 1349.144615][ T32] r4:00000000 [ 1349.144640][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.144687][ T32] r9:83018005 r8:84c55400 r7:00000000 r6:83018000 r5:00001000 r4:7f6bb000 [ 1349.144779][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.144893][ T32] r5:00001000 r4:ed74d000 [ 1349.144919][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.144960][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.145002][ T32] r5:859bc38c r4:859bc000 [ 1349.145022][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.145085][ T32] r7:dddced80 r6:83018000 r5:859bc38c r4:859ff380 [ 1349.145108][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.145154][ T32] r10:61c88647 r9:84c55400 r8:859ff3ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.145213][ T32] r4:859ff380 [ 1349.145237][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.145282][ T32] r10:00000000 r9:859ff380 r8:8027f5e8 r7:ed821e60 r6:859ff400 r5:84c55400 [ 1349.145304][ T32] r4:00000001 [ 1349.145323][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.145359][ T32] Exception stack(0xed831fb0 to 0xed831ff8) [ 1349.145389][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.145418][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.145444][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.145474][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.145495][ T32] r4:84e59b80 [ 1349.145988][ T32] INFO: task kworker/0:515:7085 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.146022][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.146163][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.146237][ T32] Call trace: [ 1349.146527][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.146636][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.146663][ T32] r4:00000000 [ 1349.146683][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.146721][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.146749][ T32] dd20: a6918000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.146777][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.146802][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.146917][ T32] r5:80070013 r4:80239bb0 [ 1349.146942][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.146986][ T32] r4:82ac11a4 [ 1349.147022][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.147081][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.147134][ T32] r4:e884ddc0 [ 1349.147247][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.147295][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.147353][ T32] r4:00000000 [ 1349.147379][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.147471][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.147497][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.147539][ T32] r5:00001000 r4:e884f000 [ 1349.147559][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.147598][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.147751][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.147775][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.147852][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.147877][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.147922][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.148058][ T32] r4:8454db00 [ 1349.148086][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.148163][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.148189][ T32] r4:00000001 [ 1349.148208][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.148367][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.148399][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.148427][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.148454][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.148482][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.148504][ T32] r4:84e5aa80 [ 1349.148529][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.148560][ T32] INFO: task kworker/0:516:7087 blocked for more than 475 seconds. [ 1349.148590][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.148701][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.148728][ T32] task:kworker/0:516 state:D stack:0 pid:7087 tgid:7087 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.148854][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.148926][ T32] Call trace: [ 1349.149062][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.149231][ T32] r10:8291880c r9:ed835d84 r8:00000002 r7:60000113 r6:ed835d8c r5:85788c00 [ 1349.149276][ T32] r4:85788c00 [ 1349.149298][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.149338][ T32] r5:85788c00 r4:82918808 [ 1349.149357][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.149394][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.149435][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed835e08 [ 1349.149457][ T32] r4:00000000 [ 1349.149486][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.149948][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.174697][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.174798][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e59fc0 [ 1349.174825][ T32] r4:00000000 [ 1349.174847][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.174893][ T32] r9:83018005 r8:85788c00 r7:00000000 r6:83018000 r5:00001000 r4:7f6b9000 [ 1349.174914][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.174959][ T32] r5:00001000 r4:ed723000 [ 1349.174980][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.175018][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.175072][ T32] r5:859bbf8c r4:859bbc00 [ 1349.175095][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.175142][ T32] r7:dddced80 r6:83018000 r5:859bbf8c r4:859ff480 [ 1349.175163][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.175207][ T32] r10:61c88647 r9:85788c00 r8:859ff4ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.175229][ T32] r4:859ff480 [ 1349.175301][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.175464][ T32] r10:00000000 r9:859ff480 r8:8027f5e8 r7:ed831e60 r6:859ff500 r5:85788c00 [ 1349.175493][ T32] r4:00000001 [ 1349.175515][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.175554][ T32] Exception stack(0xed835fb0 to 0xed835ff8) [ 1349.175584][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.175613][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.175640][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.175892][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.175920][ T32] r4:84e59800 [ 1349.176430][ T32] INFO: task kworker/0:516:7087 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.176469][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.176798][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.176885][ T32] Call trace: [ 1349.177186][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.177246][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.177272][ T32] r4:00000000 [ 1349.177293][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.177331][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.177359][ T32] dd20: a6cb0000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.177458][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.177489][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.177513][ T32] r5:80070013 r4:80239bb0 [ 1349.177535][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.177581][ T32] r4:82ac11a4 [ 1349.177613][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.177664][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.177687][ T32] r4:e884ddc0 [ 1349.177723][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.177840][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.177865][ T32] r4:00000000 [ 1349.177944][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.177992][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.178014][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.178059][ T32] r5:00001000 r4:e884f000 [ 1349.178080][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.178119][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.178159][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.178223][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.178320][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.178347][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.178393][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.178415][ T32] r4:8454db00 [ 1349.178434][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.178476][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.178497][ T32] r4:00000001 [ 1349.178549][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.178661][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.178694][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.178773][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.178807][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.178836][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.178859][ T32] r4:84e5aa80 [ 1349.178880][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.178910][ T32] INFO: task kworker/0:517:7089 blocked for more than 475 seconds. [ 1349.178946][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.178970][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.178992][ T32] task:kworker/0:517 state:D stack:0 pid:7089 tgid:7089 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.179075][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.179123][ T32] Call trace: [ 1349.179152][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.179201][ T32] r10:8291880c r9:ed839d84 r8:00000002 r7:60000113 r6:ed839d8c r5:85788000 [ 1349.179223][ T32] r4:85788000 [ 1349.179242][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.179404][ T32] r5:85788000 r4:82918808 [ 1349.179429][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.179467][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.179508][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed839e08 [ 1349.179594][ T32] r4:00000000 [ 1349.179617][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.179653][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.179692][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.179734][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e46500 [ 1349.190251][ T32] r4:00000000 [ 1349.190374][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.190450][ T32] r9:83018005 r8:85788000 r7:00000000 r6:83018000 r5:00001000 r4:7f6bf000 [ 1349.190475][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.190573][ T32] r5:00001000 r4:ed791000 [ 1349.190600][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.190768][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.190886][ T32] r5:859bcb8c r4:859bc800 [ 1349.190947][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.191044][ T32] r7:dddced80 r6:83018000 r5:859bcb8c r4:859ff580 [ 1349.191105][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.191264][ T32] r10:61c88647 r9:85788000 r8:859ff5ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.191596][ T32] r4:859ff580 [ 1349.191659][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.191760][ T32] r10:00000000 r9:859ff580 r8:8027f5e8 r7:ed831e60 r6:8505ca00 r5:85788000 [ 1349.191813][ T32] r4:00000001 [ 1349.191858][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.191938][ T32] Exception stack(0xed839fb0 to 0xed839ff8) [ 1349.192000][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.192071][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.192242][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.192319][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.192803][ T32] r4:84e46100 [ 1349.193655][ T32] INFO: task kworker/0:517:7089 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.193743][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.193925][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.194059][ T32] Call trace: [ 1349.194643][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.194765][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.194814][ T32] r4:00000000 [ 1349.194856][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.194932][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.194989][ T32] dd20: a6cb0000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.195047][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.195109][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.195161][ T32] r5:80070013 r4:80239bb0 [ 1349.195307][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.195408][ T32] r4:82ac11a4 [ 1349.195452][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.195561][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.195620][ T32] r4:e884ddc0 [ 1349.195775][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.195870][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.195919][ T32] r4:00000000 [ 1349.195962][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.196057][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.196103][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.196190][ T32] r5:00001000 r4:e884f000 [ 1349.196307][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.196409][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.196495][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.196541][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.196633][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.196675][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.196762][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.196815][ T32] r4:8454db00 [ 1349.197062][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.197251][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.197311][ T32] r4:00000001 [ 1349.197356][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.197432][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.197487][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.197543][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.197597][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.197694][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.198036][ T32] r4:84e5aa80 [ 1349.198099][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.198163][ T32] INFO: task kworker/0:518:7090 blocked for more than 475 seconds. [ 1349.198261][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.198315][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.198362][ T32] task:kworker/0:518 state:D stack:0 pid:7090 tgid:7090 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.198466][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.198558][ T32] Call trace: [ 1349.199521][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.199646][ T32] r10:8291880c r9:ed829d84 r8:00000002 r7:60000113 r6:ed829d8c r5:85ab6000 [ 1349.199698][ T32] r4:85ab6000 [ 1349.199748][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.241941][ T32] r5:85ab6000 r4:82918808 [ 1349.242084][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.242314][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.242855][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed829e08 [ 1349.242926][ T32] r4:00000000 [ 1349.242981][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.243076][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.243169][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.243265][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e46400 [ 1349.243319][ T32] r4:00000000 [ 1349.243368][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.243602][ T32] r9:83018005 r8:85ab6000 r7:00000000 r6:83018000 r5:00001000 r4:7f6bd000 [ 1349.243699][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.243808][ T32] r5:00001000 r4:ed775000 [ 1349.243860][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.243979][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.244092][ T32] r5:859bc78c r4:859bc400 [ 1349.244164][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.244309][ T32] r7:dddced80 r6:83018000 r5:859bc78c r4:859ff600 [ 1349.244367][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.244434][ T32] r10:61c88647 r9:85ab6000 r8:859ff62c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.244494][ T32] r4:859ff600 [ 1349.244519][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.244566][ T32] r10:00000000 r9:859ff600 r8:8027f5e8 r7:ed839e60 r6:8505ca80 r5:85ab6000 [ 1349.244624][ T32] r4:00000001 [ 1349.244736][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.244960][ T32] Exception stack(0xed829fb0 to 0xed829ff8) [ 1349.244996][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.245025][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.245060][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.245165][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.245191][ T32] r4:84e46100 [ 1349.245701][ T32] INFO: task kworker/0:518:7090 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.245738][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.245810][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.245990][ T32] Call trace: [ 1349.246027][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.246116][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.246213][ T32] r4:00000000 [ 1349.246309][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.246362][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.246394][ T32] dd20: a726c000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.246456][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.246572][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.246600][ T32] r5:80070013 r4:80239bb0 [ 1349.246621][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.246665][ T32] r4:82ac11a4 [ 1349.246685][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.246730][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.246753][ T32] r4:e884ddc0 [ 1349.246771][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.246815][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.246906][ T32] r4:00000000 [ 1349.246930][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.246975][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.246996][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.247318][ T32] r5:00001000 r4:e884f000 [ 1349.247343][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.247386][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.247427][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.247446][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.247490][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.247576][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.247657][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.247683][ T32] r4:8454db00 [ 1349.247702][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.247746][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.247767][ T32] r4:00000001 [ 1349.247786][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.247820][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.247845][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.247872][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.247897][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.248058][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.248088][ T32] r4:84e5aa80 [ 1349.248110][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.248154][ T32] INFO: task kworker/0:519:7094 blocked for more than 475 seconds. [ 1349.248319][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.248438][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.248464][ T32] task:kworker/0:519 state:D stack:0 pid:7094 tgid:7094 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.248510][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.248665][ T32] Call trace: [ 1349.248764][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.248815][ T32] r10:8291880c r9:ed855d84 r8:00000002 r7:60000113 r6:ed855d8c r5:85996c00 [ 1349.248890][ T32] r4:85996c00 [ 1349.248915][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.248959][ T32] r5:85996c00 r4:82918808 [ 1349.248979][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.249015][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.249062][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed855e08 [ 1349.249087][ T32] r4:00000000 [ 1349.249127][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.249594][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.249638][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.249681][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e468c0 [ 1349.249846][ T32] r4:00000000 [ 1349.271621][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.272325][ T32] r9:83018005 r8:85996c00 r7:00000000 r6:83018000 r5:00001000 r4:7f6c5000 [ 1349.272432][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.272543][ T32] r5:00001000 r4:ed85d000 [ 1349.272808][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.272924][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.273061][ T32] r5:859bd78c r4:859bd400 [ 1349.273200][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.273446][ T32] r7:dddced80 r6:83018000 r5:859bd78c r4:859ff680 [ 1349.273596][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.273704][ T32] r10:61c88647 r9:85996c00 r8:859ff6ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.273794][ T32] r4:859ff680 [ 1349.274032][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.274156][ T32] r10:00000000 r9:859ff680 r8:8027f5e8 r7:ed839e60 r6:8505cb00 r5:85996c00 [ 1349.275215][ T32] r4:00000001 [ 1349.275286][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.275779][ T32] Exception stack(0xed855fb0 to 0xed855ff8) [ 1349.275865][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.276029][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.276111][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.277361][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.277686][ T32] r4:84e46300 [ 1349.278638][ T32] INFO: task kworker/0:519:7094 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.279037][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.279634][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.279689][ T32] Call trace: [ 1349.300878][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.301067][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.301125][ T32] r4:00000000 [ 1349.301168][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.301258][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.301335][ T32] dd20: a7609000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.301401][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.301481][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.301558][ T32] r5:80070013 r4:80239bb0 [ 1349.301612][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.301742][ T32] r4:82ac11a4 [ 1349.301801][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.301923][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.301983][ T32] r4:e884ddc0 [ 1349.302091][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.302238][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.302339][ T32] r4:00000000 [ 1349.302402][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.302530][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.302593][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.302643][ T32] r5:00001000 r4:e884f000 [ 1349.302663][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.302704][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.302748][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.302769][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.302814][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.302834][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.302907][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.302934][ T32] r4:8454db00 [ 1349.302954][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.302998][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.303037][ T32] r4:00000001 [ 1349.303094][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.303133][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.303188][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.303247][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.303309][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.303346][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.303391][ T32] r4:84e5aa80 [ 1349.303419][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.303454][ T32] INFO: task kworker/0:520:7096 blocked for more than 475 seconds. [ 1349.303490][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.303515][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.303631][ T32] task:kworker/0:520 state:D stack:0 pid:7096 tgid:7096 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.303775][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.303963][ T32] Call trace: [ 1349.304026][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.304086][ T32] r10:8291880c r9:ed865d84 r8:00000002 r7:60000113 r6:ed865d8c r5:85ab5400 [ 1349.304138][ T32] r4:85ab5400 [ 1349.304163][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.304204][ T32] r5:85ab5400 r4:82918808 [ 1349.304250][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.304291][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.304334][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed865e08 [ 1349.304383][ T32] r4:00000000 [ 1349.304407][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.304486][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.304557][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.304631][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e46600 [ 1349.304664][ T32] r4:00000000 [ 1349.304684][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.304730][ T32] r9:83018005 r8:85ab5400 r7:00000000 r6:83018000 r5:00001000 r4:7f6c1000 [ 1349.304751][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.304792][ T32] r5:00001000 r4:ed841000 [ 1349.304811][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.304877][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.304922][ T32] r5:859bcf8c r4:859bcc00 [ 1349.304942][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.305011][ T32] r7:dddced80 r6:83018000 r5:859bcf8c r4:859ff700 [ 1349.305037][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.305090][ T32] r10:61c88647 r9:85ab5400 r8:859ff72c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.305127][ T32] r4:859ff700 [ 1349.305179][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.305255][ T32] r10:00000000 r9:859ff700 r8:8027f5e8 r7:ed855e60 r6:8505cb80 r5:85ab5400 [ 1349.305287][ T32] r4:00000001 [ 1349.305307][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.305343][ T32] Exception stack(0xed865fb0 to 0xed865ff8) [ 1349.305369][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.305426][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.305456][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.305486][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.305509][ T32] r4:84e46380 [ 1349.306025][ T32] INFO: task kworker/0:520:7096 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.306073][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.306206][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.306295][ T32] Call trace: [ 1349.306366][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.306438][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.306467][ T32] r4:00000000 [ 1349.306487][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.306525][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.306553][ T32] dd20: a7609000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.306583][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.306634][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.306662][ T32] r5:80070013 r4:80239bb0 [ 1349.306683][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.306727][ T32] r4:82ac11a4 [ 1349.306773][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.306852][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.306879][ T32] r4:e884ddc0 [ 1349.306898][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.306971][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.306998][ T32] r4:00000000 [ 1349.307018][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.307096][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.307130][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.307173][ T32] r5:00001000 r4:e884f000 [ 1349.307212][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.307256][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.307323][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.307347][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.307420][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.307471][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.307548][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.307573][ T32] r4:8454db00 [ 1349.307595][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.307639][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.307660][ T32] r4:00000001 [ 1349.307681][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.307771][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.307830][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.307864][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.307891][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.307919][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.307940][ T32] r4:84e5aa80 [ 1349.308009][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.308040][ T32] INFO: task kworker/0:521:7097 blocked for more than 475 seconds. [ 1349.308076][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.308099][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.308150][ T32] task:kworker/0:521 state:D stack:0 pid:7097 tgid:7097 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.308247][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.308303][ T32] Call trace: [ 1349.308337][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.308387][ T32] r10:8291880c r9:ed869d84 r8:00000002 r7:60000013 r6:ed869d8c r5:85079800 [ 1349.308410][ T32] r4:85079800 [ 1349.308458][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.308527][ T32] r5:85079800 r4:82918808 [ 1349.308549][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.308587][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.308628][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed869e08 [ 1349.308649][ T32] r4:00000000 [ 1349.308694][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.308734][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.308771][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.308812][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e46740 [ 1349.308833][ T32] r4:00000000 [ 1349.308880][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.308927][ T32] r9:83018005 r8:85079800 r7:00000000 r6:83018000 r5:00001000 r4:7f6c3000 [ 1349.308970][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.309045][ T32] r5:00001000 r4:ed84d000 [ 1349.309111][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.309210][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.309310][ T32] r5:859bd38c r4:859bd000 [ 1349.309363][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.309465][ T32] r7:dddced80 r6:83018000 r5:859bd38c r4:859ff780 [ 1349.309517][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.309621][ T32] r10:61c88647 r9:85079800 r8:859ff7ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.309680][ T32] r4:859ff780 [ 1349.309729][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.333356][ T32] r10:00000000 r9:859ff780 r8:8027f5e8 r7:ed855e60 r6:8505cc00 r5:85079800 [ 1349.333438][ T32] r4:00000001 [ 1349.333494][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.333639][ T32] Exception stack(0xed869fb0 to 0xed869ff8) [ 1349.333735][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.333811][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.333872][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.333937][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.333989][ T32] r4:84e46380 [ 1349.334856][ T32] INFO: task kworker/0:521:7097 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.334945][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.335106][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.335269][ T32] Call trace: [ 1349.335353][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.335465][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.335518][ T32] r4:00000000 [ 1349.335566][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.335656][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.335724][ T32] dd20: a7913000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.335792][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.335858][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.335918][ T32] r5:80070013 r4:80239bb0 [ 1349.335968][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.336080][ T32] r4:82ac11a4 [ 1349.336153][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.336268][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.336324][ T32] r4:e884ddc0 [ 1349.336373][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.336472][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.336525][ T32] r4:00000000 [ 1349.336592][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.336712][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.336770][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.336890][ T32] r5:00001000 r4:e884f000 [ 1349.336947][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.337248][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.337362][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.337419][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.337523][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.337576][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.337638][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.337660][ T32] r4:8454db00 [ 1349.337679][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.337757][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.337785][ T32] r4:00000001 [ 1349.337959][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.337999][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.338026][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.338059][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.338087][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.338172][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.338279][ T32] r4:84e5aa80 [ 1349.338399][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.338433][ T32] INFO: task kworker/0:522:7098 blocked for more than 475 seconds. [ 1349.338471][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.338497][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.338609][ T32] task:kworker/0:522 state:D stack:0 pid:7098 tgid:7098 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.338661][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.338702][ T32] Call trace: [ 1349.338732][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.338777][ T32] r10:8291880c r9:ed875d84 r8:00000002 r7:60000113 r6:ed875d8c r5:85ab3000 [ 1349.339132][ T32] r4:85ab3000 [ 1349.339161][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.339205][ T32] r5:85ab3000 r4:82918808 [ 1349.339255][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.339298][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.339342][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed875e08 [ 1349.339365][ T32] r4:00000000 [ 1349.339414][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.339454][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.339491][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.339533][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e46a00 [ 1349.339555][ T32] r4:00000000 [ 1349.339578][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.339623][ T32] r9:83018005 r8:85ab3000 r7:00000000 r6:83018000 r5:00001000 r4:7f6c7000 [ 1349.339645][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.339685][ T32] r5:00001000 r4:ed871000 [ 1349.339705][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.339801][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.360942][ T32] r5:859bdb8c r4:859bd800 [ 1349.361067][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.361260][ T32] r7:dddced80 r6:83018000 r5:859bdb8c r4:859ff800 [ 1349.361314][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.361410][ T32] r10:61c88647 r9:85ab3000 r8:859ff82c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.361467][ T32] r4:859ff800 [ 1349.361513][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.361609][ T32] r10:00000000 r9:859ff800 r8:8027f5e8 r7:ed855e60 r6:8505cc80 r5:85ab3000 [ 1349.361664][ T32] r4:00000001 [ 1349.361713][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.361799][ T32] Exception stack(0xed875fb0 to 0xed875ff8) [ 1349.361866][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.361929][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.361989][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.362060][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.362111][ T32] r4:84e465c0 [ 1349.362992][ T32] INFO: task kworker/0:522:7098 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.363091][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.363254][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.363428][ T32] Call trace: [ 1349.363516][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.363652][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.363716][ T32] r4:00000000 [ 1349.363760][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.363839][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.363901][ T32] dd20: a79e8000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.363961][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.364020][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.364092][ T32] r5:80070013 r4:80239bb0 [ 1349.364294][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.364411][ T32] r4:82ac11a4 [ 1349.364890][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.365011][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.365072][ T32] r4:e884ddc0 [ 1349.365123][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.365455][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.365523][ T32] r4:00000000 [ 1349.365576][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.365677][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.365731][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.365829][ T32] r5:00001000 r4:e884f000 [ 1349.365900][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.365998][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.366101][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.366184][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.366313][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.366405][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.366515][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.366569][ T32] r4:8454db00 [ 1349.366616][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.366714][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.366767][ T32] r4:00000001 [ 1349.366821][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.366905][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.367025][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.367117][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.367181][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.367246][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.367301][ T32] r4:84e5aa80 [ 1349.367377][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.367482][ T32] INFO: task kworker/0:523:7100 blocked for more than 475 seconds. [ 1349.367565][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.367649][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.367712][ T32] task:kworker/0:523 state:D stack:0 pid:7100 tgid:7100 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.367887][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.368065][ T32] Call trace: [ 1349.368195][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.368305][ T32] r10:8291880c r9:ed87dd84 r8:00000002 r7:60000113 r6:ed87dd8c r5:85ab8c00 [ 1349.368417][ T32] r4:85ab8c00 [ 1349.368476][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.368638][ T32] r5:85ab8c00 r4:82918808 [ 1349.368843][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.368943][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.369035][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed87de08 [ 1349.369099][ T32] r4:00000000 [ 1349.369272][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.369366][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.369458][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.369555][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84713d40 [ 1349.369704][ T32] r4:00000000 [ 1349.400204][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.400409][ T32] r9:83018005 r8:85ab8c00 r7:00000000 r6:83018000 r5:00001000 r4:7f6cb000 [ 1349.400443][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.400492][ T32] r5:00001000 r4:ed89d000 [ 1349.400515][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.400554][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.400631][ T32] r5:859be78c r4:859be400 [ 1349.400656][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.400721][ T32] r7:dddced80 r6:83018000 r5:859be78c r4:859ff880 [ 1349.400776][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.400852][ T32] r10:61c88647 r9:85ab8c00 r8:859ff8ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.400906][ T32] r4:859ff880 [ 1349.400949][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.401038][ T32] r10:00000000 r9:859ff880 r8:8027f5e8 r7:ed875e60 r6:8505cd00 r5:85ab8c00 [ 1349.401119][ T32] r4:00000001 [ 1349.401171][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.401274][ T32] Exception stack(0xed87dfb0 to 0xed87dff8) [ 1349.401348][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.401436][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.401497][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.401550][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.401595][ T32] r4:84e466c0 [ 1349.402474][ T32] INFO: task kworker/0:523:7100 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.402553][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.402720][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.402834][ T32] Call trace: [ 1349.402931][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.403045][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.403084][ T32] r4:00000000 [ 1349.403105][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.403173][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.403234][ T32] dd20: a7d7f000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.403267][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.403310][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.403338][ T32] r5:80070013 r4:80239bb0 [ 1349.403359][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.403433][ T32] r4:82ac11a4 [ 1349.403462][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.403510][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.403533][ T32] r4:e884ddc0 [ 1349.403566][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.403627][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.403778][ T32] r4:00000000 [ 1349.403822][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.403871][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.403901][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.403946][ T32] r5:00001000 r4:e884f000 [ 1349.403972][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.404013][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.404078][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.404103][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.404228][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.404253][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.404489][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.404515][ T32] r4:8454db00 [ 1349.404802][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.404851][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.404875][ T32] r4:00000001 [ 1349.404895][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.405067][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.405143][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.405175][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.405202][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.405279][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.405305][ T32] r4:84e5aa80 [ 1349.405394][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.405545][ T32] INFO: task kworker/0:524:7103 blocked for more than 475 seconds. [ 1349.405585][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.405610][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.405713][ T32] task:kworker/0:524 state:D stack:0 pid:7103 tgid:7103 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.406225][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.406331][ T32] Call trace: [ 1349.406389][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.406495][ T32] r10:8291880c r9:ed899d84 r8:00000002 r7:60000013 r6:ed899d8c r5:85ab8000 [ 1349.406549][ T32] r4:85ab8000 [ 1349.406593][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.406760][ T32] r5:85ab8000 r4:82918808 [ 1349.406821][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.406904][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.406994][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed899e08 [ 1349.407041][ T32] r4:00000000 [ 1349.407094][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.407171][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.407251][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.407366][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e46b40 [ 1349.407421][ T32] r4:00000000 [ 1349.407466][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.407553][ T32] r9:83018005 r8:85ab8000 r7:00000000 r6:83018000 r5:00001000 r4:7f6c9000 [ 1349.407605][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.407706][ T32] r5:00001000 r4:ed885000 [ 1349.407756][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.407857][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.407961][ T32] r5:859bdf8c r4:859bdc00 [ 1349.408057][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.408159][ T32] r7:dddced80 r6:83018000 r5:859bdf8c r4:859ff900 [ 1349.408208][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.408303][ T32] r10:61c88647 r9:85ab8000 r8:859ff92c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.408377][ T32] r4:859ff900 [ 1349.408430][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.408523][ T32] r10:00000000 r9:859ff900 r8:8027f5e8 r7:ed87de60 r6:8505cd80 r5:85ab8000 [ 1349.408580][ T32] r4:00000001 [ 1349.408809][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.408906][ T32] Exception stack(0xed899fb0 to 0xed899ff8) [ 1349.408970][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.409266][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.409313][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.409368][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.409401][ T32] r4:84e46880 [ 1349.409838][ T32] INFO: task kworker/0:524:7103 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.427877][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.428049][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.428150][ T32] Call trace: [ 1349.428187][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.428245][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.428269][ T32] r4:00000000 [ 1349.428290][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.428328][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.428359][ T32] dd20: a7fcd000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.428388][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.428414][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.428438][ T32] r5:80070013 r4:80239bb0 [ 1349.428517][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.428630][ T32] r4:82ac11a4 [ 1349.428743][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.429196][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.429225][ T32] r4:e884ddc0 [ 1349.429360][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.429434][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.429546][ T32] r4:00000000 [ 1349.429601][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.429691][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.430063][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.440181][ T32] r5:00001000 r4:e884f000 [ 1349.440226][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.440294][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.440378][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.440443][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.440498][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.440520][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.440612][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.440639][ T32] r4:8454db00 [ 1349.440659][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.440710][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.440734][ T32] r4:00000001 [ 1349.440754][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.440791][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.440823][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.440851][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.440941][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.440975][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.440998][ T32] r4:84e5aa80 [ 1349.441177][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.441215][ T32] INFO: task kworker/0:525:7105 blocked for more than 475 seconds. [ 1349.441286][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.441320][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.441343][ T32] task:kworker/0:525 state:D stack:0 pid:7105 tgid:7105 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.441648][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.441820][ T32] Call trace: [ 1349.441859][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.441912][ T32] r10:8291880c r9:ed8a9d84 r8:00000002 r7:60000013 r6:ed8a9d8c r5:85abbc00 [ 1349.441935][ T32] r4:85abbc00 [ 1349.442021][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.442073][ T32] r5:85abbc00 r4:82918808 [ 1349.442095][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.442132][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.442173][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed8a9e08 [ 1349.442533][ T32] r4:00000000 [ 1349.442591][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.442670][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.442807][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.442908][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e46c80 [ 1349.443106][ T32] r4:00000000 [ 1349.443172][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.443269][ T32] r9:83018005 r8:85abbc00 r7:00000000 r6:83018000 r5:00001000 r4:7f6cb000 [ 1349.443342][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.443438][ T32] r5:00001000 r4:ed891000 [ 1349.443483][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.443560][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.443642][ T32] r5:859be38c r4:859be000 [ 1349.443689][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.443785][ T32] r7:dddced80 r6:83018000 r5:859be38c r4:859ff980 [ 1349.443855][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.443954][ T32] r10:61c88647 r9:85abbc00 r8:859ff9ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.444000][ T32] r4:859ff980 [ 1349.444072][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.444170][ T32] r10:00000000 r9:859ff980 r8:8027f5e8 r7:ed87de60 r6:8505ce00 r5:85abbc00 [ 1349.444221][ T32] r4:00000001 [ 1349.444262][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.444340][ T32] Exception stack(0xed8a9fb0 to 0xed8a9ff8) [ 1349.444395][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.444473][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.444541][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.444618][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.444674][ T32] r4:84e469c0 [ 1349.445366][ T32] INFO: task kworker/0:525:7105 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.445414][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.445960][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.446012][ T32] Call trace: [ 1349.446214][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.446273][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.446297][ T32] r4:00000000 [ 1349.446317][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.446355][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.446397][ T32] dd20: a808f000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.446781][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.446892][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.446919][ T32] r5:80070013 r4:80239bb0 [ 1349.446942][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.446988][ T32] r4:82ac11a4 [ 1349.447098][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.447152][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.447175][ T32] r4:e884ddc0 [ 1349.447194][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.447237][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.447276][ T32] r4:00000000 [ 1349.447300][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.447345][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.447366][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.447406][ T32] r5:00001000 r4:e884f000 [ 1349.447425][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.447463][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.447507][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.447555][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.447608][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.447629][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.447675][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.447697][ T32] r4:8454db00 [ 1349.447716][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.447786][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.447812][ T32] r4:00000001 [ 1349.447832][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.447895][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.447925][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.447981][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.448014][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.448058][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.448085][ T32] r4:84e5aa80 [ 1349.448132][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.448193][ T32] INFO: task kworker/0:526:7107 blocked for more than 475 seconds. [ 1349.448244][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.448270][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.448326][ T32] task:kworker/0:526 state:D stack:0 pid:7107 tgid:7107 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.448389][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.448457][ T32] Call trace: [ 1349.448535][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.448587][ T32] r10:8291880c r9:ed8c1d84 r8:00000002 r7:60000113 r6:ed8c1d8c r5:85abb000 [ 1349.448610][ T32] r4:85abb000 [ 1349.448657][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.448765][ T32] r5:85abb000 r4:82918808 [ 1349.448788][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.448852][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.448899][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed8c1e08 [ 1349.448924][ T32] r4:00000000 [ 1349.448942][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.448976][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.449012][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.449059][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e46d80 [ 1349.449110][ T32] r4:00000000 [ 1349.449134][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.449206][ T32] r9:83018005 r8:85abb000 r7:00000000 r6:83018000 r5:00001000 r4:7f6cf000 [ 1349.449258][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.449329][ T32] r5:00001000 r4:ed8b1000 [ 1349.449353][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.449395][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.449435][ T32] r5:859beb8c r4:859be800 [ 1349.449466][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.449541][ T32] r7:dddced80 r6:83018000 r5:859beb8c r4:859ffa00 [ 1349.449566][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.449612][ T32] r10:61c88647 r9:85abb000 r8:859ffa2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.449635][ T32] r4:859ffa00 [ 1349.449665][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.449714][ T32] r10:00000000 r9:859ffa00 r8:8027f5e8 r7:ed87de60 r6:8505ce80 r5:85abb000 [ 1349.449736][ T32] r4:00000001 [ 1349.476199][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.476490][ T32] Exception stack(0xed8c1fb0 to 0xed8c1ff8) [ 1349.476570][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.476639][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.476705][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.476774][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.476833][ T32] r4:84e46d40 [ 1349.477728][ T32] INFO: task kworker/0:526:7107 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.477822][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.477998][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.478123][ T32] Call trace: [ 1349.478253][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.478368][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.478427][ T32] r4:00000000 [ 1349.478475][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.478561][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.478629][ T32] dd20: a849d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.478698][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.478760][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.478839][ T32] r5:80070013 r4:80239bb0 [ 1349.478901][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.479010][ T32] r4:82ac11a4 [ 1349.479077][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.479189][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.479247][ T32] r4:e884ddc0 [ 1349.479325][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.479444][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.479495][ T32] r4:00000000 [ 1349.479549][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.479652][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.479708][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.492897][ T32] r5:00001000 r4:e884f000 [ 1349.492944][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.493015][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.493068][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.493090][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.493139][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.493160][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.493223][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.493277][ T32] r4:8454db00 [ 1349.493304][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.493355][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.493378][ T32] r4:00000001 [ 1349.493397][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.493437][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.493468][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.493497][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.493523][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.493552][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.493573][ T32] r4:84e5aa80 [ 1349.493597][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.493639][ T32] INFO: task kworker/0:527:7112 blocked for more than 475 seconds. [ 1349.493675][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.493700][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.493722][ T32] task:kworker/0:527 state:D stack:0 pid:7112 tgid:7112 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.493829][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.493881][ T32] Call trace: [ 1349.493940][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.493998][ T32] r10:8291880c r9:ed8c9d84 r8:00000002 r7:60000013 r6:ed8c9d8c r5:85abc800 [ 1349.494022][ T32] r4:85abc800 [ 1349.494041][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.494087][ T32] r5:85abc800 r4:82918808 [ 1349.494109][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.494146][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.494217][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed8c9e08 [ 1349.494260][ T32] r4:00000000 [ 1349.494332][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.494374][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.494418][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.494486][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bd15c0 [ 1349.494513][ T32] r4:00000000 [ 1349.494534][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.494582][ T32] r9:83018005 r8:85abc800 r7:00000000 r6:83018000 r5:00001000 r4:7f76b000 [ 1349.494604][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.494644][ T32] r5:00001000 r4:ed52b000 [ 1349.494663][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.494726][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.494772][ T32] r5:859c078c r4:859c0400 [ 1349.494792][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.494835][ T32] r7:dddced80 r6:83018000 r5:859c078c r4:859ffa80 [ 1349.494872][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.494920][ T32] r10:61c88647 r9:85abc800 r8:859ffaac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.494942][ T32] r4:859ffa80 [ 1349.494962][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.495057][ T32] r10:00000000 r9:859ffa80 r8:8027f5e8 r7:ed8c1e60 r6:8505cf00 r5:85abc800 [ 1349.495085][ T32] r4:00000001 [ 1349.495104][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.495141][ T32] Exception stack(0xed8c9fb0 to 0xed8c9ff8) [ 1349.495168][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.495198][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.495223][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.495251][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.495273][ T32] r4:84e46d00 [ 1349.495767][ T32] INFO: task kworker/0:527:7112 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.495803][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.495876][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.495924][ T32] Call trace: [ 1349.495980][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.496040][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.496090][ T32] r4:00000000 [ 1349.496114][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.496154][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.496181][ T32] dd20: a86d7000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.496210][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.496234][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.496258][ T32] r5:80070013 r4:80239bb0 [ 1349.496316][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.496367][ T32] r4:82ac11a4 [ 1349.496388][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.496435][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.496457][ T32] r4:e884ddc0 [ 1349.496476][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.496517][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.496564][ T32] r4:00000000 [ 1349.496588][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.496632][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.496654][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.496695][ T32] r5:00001000 r4:e884f000 [ 1349.496778][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.496823][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.496865][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.496912][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.496964][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.496985][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.497043][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.497073][ T32] r4:8454db00 [ 1349.497093][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.497136][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.497159][ T32] r4:00000001 [ 1349.497192][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.497231][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.497257][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.497285][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.497311][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.497339][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.497361][ T32] r4:84e5aa80 [ 1349.497381][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.497421][ T32] INFO: task kworker/0:528:7113 blocked for more than 475 seconds. [ 1349.497454][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.497478][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.497499][ T32] task:kworker/0:528 state:D stack:0 pid:7113 tgid:7113 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.497544][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.497585][ T32] Call trace: [ 1349.497631][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.497679][ T32] r10:8291880c r9:ed8cdd84 r8:00000002 r7:60000013 r6:ed8cdd8c r5:85aba400 [ 1349.497700][ T32] r4:85aba400 [ 1349.497719][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.497758][ T32] r5:85aba400 r4:82918808 [ 1349.497777][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.497812][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.497854][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ed8cde08 [ 1349.497876][ T32] r4:00000000 [ 1349.497895][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.497931][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.497966][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.498008][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85050f40 [ 1349.498074][ T32] r4:00000000 [ 1349.498099][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.498144][ T32] r9:83018005 r8:85aba400 r7:00000000 r6:83018000 r5:00001000 r4:7f75f000 [ 1349.498166][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.498273][ T32] r5:00001000 r4:ed1cb000 [ 1349.498340][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.498448][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.498554][ T32] r5:859bff8c r4:859bfc00 [ 1349.498618][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.498745][ T32] r7:dddced80 r6:83018000 r5:859bff8c r4:859ffb00 [ 1349.498800][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.498894][ T32] r10:61c88647 r9:85aba400 r8:859ffb2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.498944][ T32] r4:859ffb00 [ 1349.498989][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.499094][ T32] r10:00000000 r9:859ffb00 r8:8027f5e8 r7:ed8c9e60 r6:8505cf80 r5:85aba400 [ 1349.499145][ T32] r4:00000001 [ 1349.499186][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.499271][ T32] Exception stack(0xed8cdfb0 to 0xed8cdff8) [ 1349.499334][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.499416][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.499503][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.499571][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.499619][ T32] r4:84e46d00 [ 1349.521366][ T32] INFO: task kworker/0:528:7113 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.521621][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.521810][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.521962][ T32] Call trace: [ 1349.522069][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.522179][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.522296][ T32] r4:00000000 [ 1349.522353][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.522444][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.522506][ T32] dd20: a8912000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.522566][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.522624][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.522681][ T32] r5:80070013 r4:80239bb0 [ 1349.522731][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.522791][ T32] r4:82ac11a4 [ 1349.522813][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.522875][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.522901][ T32] r4:e884ddc0 [ 1349.522922][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.522965][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.522987][ T32] r4:00000000 [ 1349.523057][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.523108][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.523129][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.523185][ T32] r5:00001000 r4:e884f000 [ 1349.523209][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.523248][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.523290][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.523313][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.523376][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.523400][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.523453][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.523477][ T32] r4:8454db00 [ 1349.523496][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.523540][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.523562][ T32] r4:00000001 [ 1349.523582][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.523616][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.523642][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.523669][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.523708][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.523740][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.523840][ T32] r4:84e5aa80 [ 1349.523894][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.523927][ T32] INFO: task kworker/0:529:7219 blocked for more than 475 seconds. [ 1349.523963][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.523987][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.524010][ T32] task:kworker/0:529 state:D stack:0 pid:7219 tgid:7219 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.524100][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.524144][ T32] Call trace: [ 1349.524186][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.524237][ T32] r10:8291880c r9:eda75d84 r8:00000002 r7:60000113 r6:eda75d8c r5:85abec00 [ 1349.524260][ T32] r4:85abec00 [ 1349.524280][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.524320][ T32] r5:85abec00 r4:82918808 [ 1349.524340][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.524376][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.524432][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eda75e08 [ 1349.524498][ T32] r4:00000000 [ 1349.524521][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.524560][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.524598][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.524640][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85050180 [ 1349.524663][ T32] r4:00000000 [ 1349.524682][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.524726][ T32] r9:83018005 r8:85abec00 r7:00000000 r6:83018000 r5:00001000 r4:7f761000 [ 1349.524747][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.524789][ T32] r5:00001000 r4:ed247000 [ 1349.524808][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.524846][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.524886][ T32] r5:84c98b8c r4:84c98800 [ 1349.524905][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.524948][ T32] r7:dddced80 r6:83018000 r5:84c98b8c r4:859ffb80 [ 1349.524981][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.525029][ T32] r10:61c88647 r9:85abec00 r8:859ffbac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.525087][ T32] r4:859ffb80 [ 1349.525112][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.525158][ T32] r10:00000000 r9:859ffb80 r8:8027f5e8 r7:ed8c9e60 r6:85924000 r5:85abec00 [ 1349.525182][ T32] r4:00000001 [ 1349.525201][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.525253][ T32] Exception stack(0xeda75fb0 to 0xeda75ff8) [ 1349.525282][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.525311][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.525337][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.525364][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.525386][ T32] r4:85050900 [ 1349.525828][ T32] INFO: task kworker/0:529:7219 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.525864][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.525923][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.526090][ T32] Call trace: [ 1349.526181][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.526249][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.526326][ T32] r4:00000000 [ 1349.526351][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.526391][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.526519][ T32] dd20: a8912000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.526553][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.526579][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.526603][ T32] r5:80070013 r4:80239bb0 [ 1349.526625][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.526695][ T32] r4:82ac11a4 [ 1349.526718][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.526792][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.526819][ T32] r4:e884ddc0 [ 1349.526839][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.526882][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.526904][ T32] r4:00000000 [ 1349.526923][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.526967][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.526987][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.527045][ T32] r5:00001000 r4:e884f000 [ 1349.527094][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.527137][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.527179][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.527214][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.527288][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.527319][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.527366][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.527389][ T32] r4:8454db00 [ 1349.527408][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.527477][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.527504][ T32] r4:00000001 [ 1349.527523][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.527559][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.527658][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.527693][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.527763][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.527796][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.527836][ T32] r4:84e5aa80 [ 1349.527859][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.527912][ T32] INFO: task kworker/0:530:7221 blocked for more than 475 seconds. [ 1349.528060][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.528183][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.528238][ T32] task:kworker/0:530 state:D stack:0 pid:7221 tgid:7221 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.528375][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.528419][ T32] Call trace: [ 1349.528573][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.528621][ T32] r10:8291880c r9:eda7dd84 r8:00000002 r7:60000013 r6:eda7dd8c r5:85abd400 [ 1349.528646][ T32] r4:85abd400 [ 1349.528665][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.528704][ T32] r5:85abd400 r4:82918808 [ 1349.528724][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.528758][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.528798][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eda7de08 [ 1349.528820][ T32] r4:00000000 [ 1349.528839][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.528873][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.528935][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.528984][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e59ac0 [ 1349.529006][ T32] r4:00000000 [ 1349.529058][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.529106][ T32] r9:83018005 r8:85abd400 r7:00000000 r6:83018000 r5:00001000 r4:7f763000 [ 1349.529154][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.529207][ T32] r5:00001000 r4:ed2c5000 [ 1349.529227][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.529264][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.529305][ T32] r5:84c9878c r4:84c98400 [ 1349.529501][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.529549][ T32] r7:dddced80 r6:83018000 r5:84c9878c r4:859ffc00 [ 1349.529569][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.529615][ T32] r10:61c88647 r9:85abd400 r8:859ffc2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.529636][ T32] r4:859ffc00 [ 1349.529701][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.553185][ T32] r10:00000000 r9:859ffc00 r8:8027f5e8 r7:ed8c9e60 r6:85924080 r5:85abd400 [ 1349.553298][ T32] r4:00000001 [ 1349.553327][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.553390][ T32] Exception stack(0xeda7dfb0 to 0xeda7dff8) [ 1349.553422][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.553457][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.553503][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.553627][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.553656][ T32] r4:85050480 [ 1349.554255][ T32] INFO: task kworker/0:530:7221 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.554388][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.554464][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.554542][ T32] Call trace: [ 1349.554604][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.554661][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.554684][ T32] r4:00000000 [ 1349.554704][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.554813][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.554846][ T32] dd20: a8b83000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.554875][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.554901][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.554925][ T32] r5:80070013 r4:80239bb0 [ 1349.555018][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.555079][ T32] r4:82ac11a4 [ 1349.555101][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.555205][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.555263][ T32] r4:e884ddc0 [ 1349.555324][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.555373][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.555397][ T32] r4:00000000 [ 1349.555419][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.555463][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.555485][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.555526][ T32] r5:00001000 r4:e884f000 [ 1349.555546][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.555585][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.555825][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.555938][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.556060][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.556086][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.556132][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.556182][ T32] r4:8454db00 [ 1349.556293][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.556375][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.556401][ T32] r4:00000001 [ 1349.556421][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.556456][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.556508][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.556630][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.556660][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.556688][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.556712][ T32] r4:84e5aa80 [ 1349.556834][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.556868][ T32] INFO: task kworker/0:531:7223 blocked for more than 476 seconds. [ 1349.556945][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.556975][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.556998][ T32] task:kworker/0:531 state:D stack:0 pid:7223 tgid:7223 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.557069][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.557141][ T32] Call trace: [ 1349.557172][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.557219][ T32] r10:8291880c r9:eda85d84 r8:00000002 r7:60000013 r6:eda85d8c r5:85ab9800 [ 1349.557241][ T32] r4:85ab9800 [ 1349.557293][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.557367][ T32] r5:85ab9800 r4:82918808 [ 1349.557401][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.557440][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.557484][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eda85e08 [ 1349.557508][ T32] r4:00000000 [ 1349.557594][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.557635][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.557697][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.557746][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bd1100 [ 1349.557771][ T32] r4:00000000 [ 1349.557791][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.557834][ T32] r9:83018005 r8:85ab9800 r7:00000000 r6:83018000 r5:00001000 r4:7f765000 [ 1349.557881][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.557926][ T32] r5:00001000 r4:ed38b000 [ 1349.557946][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.557986][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.558028][ T32] r5:84c9838c r4:84c98000 [ 1349.558047][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.558098][ T32] r7:dddced80 r6:83018000 r5:84c9838c r4:859ffc80 [ 1349.558119][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.558163][ T32] r10:61c88647 r9:85ab9800 r8:859ffcac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.558184][ T32] r4:859ffc80 [ 1349.558222][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.558266][ T32] r10:00000000 r9:859ffc80 r8:8027f5e8 r7:ed8c9e60 r6:85924100 r5:85ab9800 [ 1349.558289][ T32] r4:00000001 [ 1349.558340][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.558387][ T32] Exception stack(0xeda85fb0 to 0xeda85ff8) [ 1349.558417][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.558445][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.558497][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.558532][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.558555][ T32] r4:85bd1140 [ 1349.559043][ T32] INFO: task kworker/0:531:7223 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.559157][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.559276][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.559434][ T32] Call trace: [ 1349.559469][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.559528][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.559553][ T32] r4:00000000 [ 1349.559607][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.559752][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.569057][ T32] dd20: a8b83000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.569135][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.569192][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.569226][ T32] r5:80070013 r4:80239bb0 [ 1349.569250][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.569319][ T32] r4:82ac11a4 [ 1349.569341][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.569585][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.569613][ T32] r4:e884ddc0 [ 1349.569634][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.569708][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.570251][ T32] r4:00000000 [ 1349.570295][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.570360][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.570384][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.570430][ T32] r5:00001000 r4:e884f000 [ 1349.570451][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.570610][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.570661][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.570682][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.570729][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.570823][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.570875][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.570899][ T32] r4:8454db00 [ 1349.570919][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.571044][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.571076][ T32] r4:00000001 [ 1349.571154][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.571197][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.571269][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.571333][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.571390][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.571450][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.571492][ T32] r4:84e5aa80 [ 1349.571562][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.571623][ T32] INFO: task kworker/0:532:7225 blocked for more than 476 seconds. [ 1349.571709][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.571764][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.571829][ T32] task:kworker/0:532 state:D stack:0 pid:7225 tgid:7225 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.571943][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.572046][ T32] Call trace: [ 1349.572151][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.572259][ T32] r10:8291880c r9:eda8dd84 r8:00000002 r7:60000113 r6:eda8dd8c r5:85abe000 [ 1349.572306][ T32] r4:85abe000 [ 1349.572351][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.572427][ T32] r5:85abe000 r4:82918808 [ 1349.572473][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.572548][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.572631][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eda8de08 [ 1349.572677][ T32] r4:00000000 [ 1349.572717][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.572792][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.572842][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.572886][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bd12c0 [ 1349.572909][ T32] r4:00000000 [ 1349.572945][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.572995][ T32] r9:83018005 r8:85abe000 r7:00000000 r6:83018000 r5:00001000 r4:7f767000 [ 1349.573022][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.573097][ T32] r5:00001000 r4:ed40b000 [ 1349.573120][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.573159][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.573200][ T32] r5:84e9ff8c r4:84e9fc00 [ 1349.573231][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.573278][ T32] r7:dddced80 r6:83018000 r5:84e9ff8c r4:859ffd00 [ 1349.573298][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.573346][ T32] r10:61c88647 r9:85abe000 r8:859ffd2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.573369][ T32] r4:859ffd00 [ 1349.573390][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.573435][ T32] r10:00000000 r9:859ffd00 r8:8027f5e8 r7:ed8c9e60 r6:85924180 r5:85abe000 [ 1349.573460][ T32] r4:00000001 [ 1349.573479][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.573514][ T32] Exception stack(0xeda8dfb0 to 0xeda8dff8) [ 1349.573540][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.573567][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.573592][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.573619][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.573641][ T32] r4:85bd1200 [ 1349.574155][ T32] INFO: task kworker/0:532:7225 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.574249][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.574314][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.574360][ T32] Call trace: [ 1349.574390][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.574438][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.574461][ T32] r4:00000000 [ 1349.574480][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.574516][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.574543][ T32] dd20: a8b83000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.574571][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.574596][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.574619][ T32] r5:80070013 r4:80239bb0 [ 1349.574638][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.574683][ T32] r4:82ac11a4 [ 1349.574702][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.574792][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.574819][ T32] r4:e884ddc0 [ 1349.574839][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.574883][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.574922][ T32] r4:00000000 [ 1349.574945][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.575015][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.575085][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.575134][ T32] r5:00001000 r4:e884f000 [ 1349.575155][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.575193][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.575233][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.575252][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.575309][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.575333][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.575379][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.575402][ T32] r4:8454db00 [ 1349.575421][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.575464][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.575486][ T32] r4:00000001 [ 1349.575511][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.575550][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.575579][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.575607][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.575635][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.575664][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.575687][ T32] r4:84e5aa80 [ 1349.575708][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.575733][ T32] INFO: task kworker/0:533:7227 blocked for more than 476 seconds. [ 1349.575762][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.575787][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.575808][ T32] task:kworker/0:533 state:D stack:0 pid:7227 tgid:7227 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.575871][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.575925][ T32] Call trace: [ 1349.575959][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.576008][ T32] r10:8291880c r9:eda91d84 r8:00000002 r7:60000113 r6:eda91d8c r5:85ac0000 [ 1349.576031][ T32] r4:85ac0000 [ 1349.576050][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.576100][ T32] r5:85ac0000 r4:82918808 [ 1349.576185][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.576226][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.576269][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eda91e08 [ 1349.576291][ T32] r4:00000000 [ 1349.576329][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.576369][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.576408][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.576452][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bd1480 [ 1349.576474][ T32] r4:00000000 [ 1349.576498][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.576540][ T32] r9:83018005 r8:85ac0000 r7:00000000 r6:83018000 r5:00001000 r4:7f769000 [ 1349.576561][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.576603][ T32] r5:00001000 r4:ed4ed000 [ 1349.576622][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.576659][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.576700][ T32] r5:859c038c r4:859c0000 [ 1349.576745][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.576835][ T32] r7:dddced80 r6:83018000 r5:859c038c r4:859ffd80 [ 1349.576860][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.576905][ T32] r10:61c88647 r9:85ac0000 r8:859ffdac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.576926][ T32] r4:859ffd80 [ 1349.576964][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.577010][ T32] r10:00000000 r9:859ffd80 r8:8027f5e8 r7:ed8c9e60 r6:85924200 r5:85ac0000 [ 1349.577032][ T32] r4:00000001 [ 1349.577070][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.577111][ T32] Exception stack(0xeda91fb0 to 0xeda91ff8) [ 1349.577137][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.577165][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.577191][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.577219][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.577286][ T32] r4:85bd13c0 [ 1349.577630][ T32] INFO: task kworker/0:533:7227 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.577664][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.577746][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.577822][ T32] Call trace: [ 1349.577907][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.577961][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.577985][ T32] r4:00000000 [ 1349.578004][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.578059][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.578117][ T32] dd20: a8b83000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.578152][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.578178][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.578234][ T32] r5:80070013 r4:80239bb0 [ 1349.578258][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.578303][ T32] r4:82ac11a4 [ 1349.578323][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.578369][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.578391][ T32] r4:e884ddc0 [ 1349.578411][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.578453][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.578475][ T32] r4:00000000 [ 1349.578499][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.578543][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.578578][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.578623][ T32] r5:00001000 r4:e884f000 [ 1349.578644][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.578684][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.578726][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.578747][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.578795][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.578830][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.578877][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.578901][ T32] r4:8454db00 [ 1349.578920][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.578963][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.578985][ T32] r4:00000001 [ 1349.579003][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.579037][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.579073][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.579103][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.579130][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.579158][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.579181][ T32] r4:84e5aa80 [ 1349.579201][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.579238][ T32] INFO: task kworker/0:534:7230 blocked for more than 476 seconds. [ 1349.579270][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.579294][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.579316][ T32] task:kworker/0:534 state:D stack:0 pid:7230 tgid:7230 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.579358][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.579397][ T32] Call trace: [ 1349.579426][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.579489][ T32] r10:8291880c r9:eda99d84 r8:00000002 r7:60000013 r6:eda99d8c r5:85ac1800 [ 1349.579516][ T32] r4:85ac1800 [ 1349.579536][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.579619][ T32] r5:85ac1800 r4:82918808 [ 1349.579654][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.579696][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.620607][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eda99e08 [ 1349.620804][ T32] r4:00000000 [ 1349.620860][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.620978][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.621104][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.621203][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bd1700 [ 1349.621269][ T32] r4:00000000 [ 1349.621319][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.621421][ T32] r9:83018005 r8:85ac1800 r7:00000000 r6:83018000 r5:00001000 r4:7f76d000 [ 1349.621491][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.621592][ T32] r5:00001000 r4:ed577000 [ 1349.621635][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.621718][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.621807][ T32] r5:859c0b8c r4:859c0800 [ 1349.621854][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.621973][ T32] r7:dddced80 r6:83018000 r5:859c0b8c r4:859ffe00 [ 1349.622059][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.622163][ T32] r10:61c88647 r9:85ac1800 r8:859ffe2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.622261][ T32] r4:859ffe00 [ 1349.622317][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.622414][ T32] r10:00000000 r9:859ffe00 r8:8027f5e8 r7:ed8c9e60 r6:85924280 r5:85ac1800 [ 1349.622465][ T32] r4:00000001 [ 1349.622509][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.622590][ T32] Exception stack(0xeda99fb0 to 0xeda99ff8) [ 1349.622652][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.622710][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.622767][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.622835][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.622887][ T32] r4:85bd1440 [ 1349.623745][ T32] INFO: task kworker/0:534:7230 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.623832][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.623985][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.624105][ T32] Call trace: [ 1349.624184][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.624295][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.624354][ T32] r4:00000000 [ 1349.624403][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.624488][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.624581][ T32] dd20: a8f50000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.624660][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.624716][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.624793][ T32] r5:80070013 r4:80239bb0 [ 1349.624849][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.624948][ T32] r4:82ac11a4 [ 1349.624995][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.625112][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.625163][ T32] r4:e884ddc0 [ 1349.625209][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.625309][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.625362][ T32] r4:00000000 [ 1349.625410][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.625507][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.625579][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.625694][ T32] r5:00001000 r4:e884f000 [ 1349.625758][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.625849][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.625941][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.626010][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.626126][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.626177][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.626299][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.626355][ T32] r4:8454db00 [ 1349.626403][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.626497][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.626550][ T32] r4:00000001 [ 1349.626595][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.626677][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.626739][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.626805][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.626867][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.626946][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.627005][ T32] r4:84e5aa80 [ 1349.627063][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.627159][ T32] INFO: task kworker/0:535:7231 blocked for more than 476 seconds. [ 1349.627237][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.627294][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.627349][ T32] task:kworker/0:535 state:D stack:0 pid:7231 tgid:7231 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.627451][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.627540][ T32] Call trace: [ 1349.627614][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.627708][ T32] r10:8291880c r9:eda9dd84 r8:00000002 r7:60000013 r6:eda9dd8c r5:85ac2400 [ 1349.627785][ T32] r4:85ac2400 [ 1349.627850][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.627940][ T32] r5:85ac2400 r4:82918808 [ 1349.628013][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.628110][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.628213][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eda9de08 [ 1349.628263][ T32] r4:00000000 [ 1349.628305][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.628387][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.628467][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.628557][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bd1b00 [ 1349.628607][ T32] r4:00000000 [ 1349.628649][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.628737][ T32] r9:83018005 r8:85ac2400 r7:00000000 r6:83018000 r5:00001000 r4:7f773000 [ 1349.628786][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.628873][ T32] r5:00001000 r4:ed651000 [ 1349.628914][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.628992][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.629087][ T32] r5:859c178c r4:859c1400 [ 1349.629136][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.629232][ T32] r7:dddced80 r6:83018000 r5:859c178c r4:859ffe80 [ 1349.629286][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.629391][ T32] r10:61c88647 r9:85ac2400 r8:859ffeac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.629443][ T32] r4:859ffe80 [ 1349.629489][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.629585][ T32] r10:00000000 r9:859ffe80 r8:8027f5e8 r7:eda99e60 r6:85924300 r5:85ac2400 [ 1349.629639][ T32] r4:00000001 [ 1349.629685][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.629831][ T32] Exception stack(0xeda9dfb0 to 0xeda9dff8) [ 1349.653826][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.653985][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.654060][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.654137][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.654221][ T32] r4:85bd1440 [ 1349.655125][ T32] INFO: task kworker/0:535:7231 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.655216][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.655373][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.655535][ T32] Call trace: [ 1349.655619][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.655764][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.655831][ T32] r4:00000000 [ 1349.655881][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.655972][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.656035][ T32] dd20: a90ec000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.656117][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.656180][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.656239][ T32] r5:80070013 r4:80239bb0 [ 1349.656289][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.656393][ T32] r4:82ac11a4 [ 1349.656445][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.656550][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.656604][ T32] r4:e884ddc0 [ 1349.656653][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.656750][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.656802][ T32] r4:00000000 [ 1349.656875][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.656987][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.657042][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.657150][ T32] r5:00001000 r4:e884f000 [ 1349.657226][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.657330][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.657426][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.657473][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.657581][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.657633][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.657734][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.657787][ T32] r4:8454db00 [ 1349.657834][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.657934][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.657994][ T32] r4:00000001 [ 1349.658073][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.658176][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.658264][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.658352][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.658425][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.658492][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.658543][ T32] r4:84e5aa80 [ 1349.658592][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.658661][ T32] INFO: task kworker/0:536:7234 blocked for more than 476 seconds. [ 1349.658738][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.658797][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.658845][ T32] task:kworker/0:536 state:D stack:0 pid:7234 tgid:7234 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.658942][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.659036][ T32] Call trace: [ 1349.659141][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.659269][ T32] r10:8291880c r9:edaa1d84 r8:00000002 r7:60000013 r6:edaa1d8c r5:85ac3000 [ 1349.659330][ T32] r4:85ac3000 [ 1349.659380][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.659472][ T32] r5:85ac3000 r4:82918808 [ 1349.659518][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.659624][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.659730][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edaa1e08 [ 1349.680412][ T32] r4:00000000 [ 1349.680608][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.680746][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.680848][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.680951][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bd1800 [ 1349.681004][ T32] r4:00000000 [ 1349.681064][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.681168][ T32] r9:83018005 r8:85ac3000 r7:00000000 r6:83018000 r5:00001000 r4:7f76f000 [ 1349.681239][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.681349][ T32] r5:00001000 r4:ed5e7000 [ 1349.681452][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.681559][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.681660][ T32] r5:859c0f8c r4:859c0c00 [ 1349.681713][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.681841][ T32] r7:dddced80 r6:83018000 r5:859c0f8c r4:859fff00 [ 1349.681904][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.682006][ T32] r10:61c88647 r9:85ac3000 r8:859fff2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.682069][ T32] r4:859fff00 [ 1349.682119][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.682266][ T32] r10:00000000 r9:859fff00 r8:8027f5e8 r7:eda9de60 r6:85924380 r5:85ac3000 [ 1349.682346][ T32] r4:00000001 [ 1349.682407][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.682494][ T32] Exception stack(0xedaa1fb0 to 0xedaa1ff8) [ 1349.682583][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1349.682653][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.682719][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.682787][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.682867][ T32] r4:85bd1740 [ 1349.683795][ T32] INFO: task kworker/0:536:7234 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.683874][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.684023][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.684167][ T32] Call trace: [ 1349.684261][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.684371][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.684447][ T32] r4:00000000 [ 1349.684502][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.684588][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.684666][ T32] dd20: a9237000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.684755][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.684829][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.684891][ T32] r5:80070013 r4:80239bb0 [ 1349.684956][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.685081][ T32] r4:82ac11a4 [ 1349.685130][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.685252][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.685313][ T32] r4:e884ddc0 [ 1349.685380][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.685494][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.685564][ T32] r4:00000000 [ 1349.685620][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.685742][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.685799][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.685892][ T32] r5:00001000 r4:e884f000 [ 1349.685939][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.686062][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.686166][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.686236][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.686342][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.686393][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.686494][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.686546][ T32] r4:8454db00 [ 1349.686590][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.686685][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.686741][ T32] r4:00000001 [ 1349.686788][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.686871][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.686930][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.686994][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.687066][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.687169][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.687232][ T32] r4:84e5aa80 [ 1349.687284][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.687351][ T32] INFO: task kworker/0:537:7236 blocked for more than 476 seconds. [ 1349.687447][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.687523][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.687594][ T32] task:kworker/0:537 state:D stack:0 pid:7236 tgid:7236 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.687702][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.687795][ T32] Call trace: [ 1349.687873][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.688016][ T32] r10:8291880c r9:edaa5d84 r8:00000002 r7:60000113 r6:edaa5d8c r5:85ac3c00 [ 1349.688093][ T32] r4:85ac3c00 [ 1349.688139][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.688230][ T32] r5:85ac3c00 r4:82918808 [ 1349.688278][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.688387][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.688493][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edaa5e08 [ 1349.688549][ T32] r4:00000000 [ 1349.688594][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.688677][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.688774][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.688880][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bd19c0 [ 1349.688934][ T32] r4:00000000 [ 1349.689001][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.689151][ T32] r9:83018005 r8:85ac3c00 r7:00000000 r6:83018000 r5:00001000 r4:7f771000 [ 1349.689211][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.689305][ T32] r5:00001000 r4:ed629000 [ 1349.689352][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.689434][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.689521][ T32] r5:859c138c r4:859c1000 [ 1349.689566][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.689665][ T32] r7:dddced80 r6:83018000 r5:859c138c r4:859fff80 [ 1349.689714][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.721210][ T32] r10:61c88647 r9:85ac3c00 r8:859fffac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.721329][ T32] r4:859fff80 [ 1349.721383][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.721522][ T32] r10:00000000 r9:859fff80 r8:8027f5e8 r7:eda9de60 r6:85924400 r5:85ac3c00 [ 1349.721579][ T32] r4:00000001 [ 1349.721627][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.721738][ T32] Exception stack(0xedaa5fb0 to 0xedaa5ff8) [ 1349.721810][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.721874][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.721940][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.722010][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.722074][ T32] r4:85bd17c0 [ 1349.722982][ T32] INFO: task kworker/0:537:7236 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.723085][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.723252][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.723370][ T32] Call trace: [ 1349.723486][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.723603][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.723663][ T32] r4:00000000 [ 1349.723713][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.723804][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.723894][ T32] dd20: a93e6000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.723972][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.724034][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.724103][ T32] r5:80070013 r4:80239bb0 [ 1349.724154][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.724284][ T32] r4:82ac11a4 [ 1349.724355][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.724463][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.724521][ T32] r4:e884ddc0 [ 1349.724569][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.724668][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.724720][ T32] r4:00000000 [ 1349.724769][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.724890][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.724980][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.725103][ T32] r5:00001000 r4:e884f000 [ 1349.725156][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.725249][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.725344][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.725395][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.725499][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.725549][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.725670][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.725734][ T32] r4:8454db00 [ 1349.725783][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.725883][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.725936][ T32] r4:00000001 [ 1349.725981][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.726085][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.726149][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.726418][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.726500][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.726570][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.726647][ T32] r4:84e5aa80 [ 1349.726709][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.726775][ T32] INFO: task kworker/0:538:7238 blocked for more than 476 seconds. [ 1349.726854][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.726935][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.727006][ T32] task:kworker/0:538 state:D stack:0 pid:7238 tgid:7238 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.727139][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.727251][ T32] Call trace: [ 1349.727329][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.727439][ T32] r10:8291880c r9:edaa9d84 r8:00000002 r7:60000013 r6:edaa9d8c r5:85ac4800 [ 1349.727492][ T32] r4:85ac4800 [ 1349.727539][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.727628][ T32] r5:85ac4800 r4:82918808 [ 1349.727676][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.727761][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.727862][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edaa9e08 [ 1349.727917][ T32] r4:00000000 [ 1349.727991][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.728081][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.728169][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.728294][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bd1c40 [ 1349.728360][ T32] r4:00000000 [ 1349.728409][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.728508][ T32] r9:83018005 r8:85ac4800 r7:00000000 r6:83018000 r5:00001000 r4:7f775000 [ 1349.728574][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.728670][ T32] r5:00001000 r4:ed65d000 [ 1349.728717][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.728798][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.728899][ T32] r5:859c1b8c r4:859c1800 [ 1349.728961][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.729094][ T32] r7:dddced80 r6:83018000 r5:859c1b8c r4:85a66000 [ 1349.729155][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.729258][ T32] r10:61c88647 r9:85ac4800 r8:85a6602c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.729312][ T32] r4:85a66000 [ 1349.729361][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.729461][ T32] r10:00000000 r9:85a66000 r8:8027f5e8 r7:eda9de60 r6:85924480 r5:85ac4800 [ 1349.729516][ T32] r4:00000001 [ 1349.729563][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.729648][ T32] Exception stack(0xedaa9fb0 to 0xedaa9ff8) [ 1349.729706][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1349.729855][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.758686][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.758812][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.758873][ T32] r4:85bd1580 [ 1349.759793][ T32] INFO: task kworker/0:538:7238 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.759899][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.760721][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.760892][ T32] Call trace: [ 1349.760988][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.761116][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.761184][ T32] r4:00000000 [ 1349.761234][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.761322][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.761400][ T32] dd20: a95c8000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.761463][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.761518][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.761577][ T32] r5:80070013 r4:80239bb0 [ 1349.761649][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.761754][ T32] r4:82ac11a4 [ 1349.761803][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.761904][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.761959][ T32] r4:e884ddc0 [ 1349.762027][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.762138][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.762209][ T32] r4:00000000 [ 1349.762263][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.762365][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.762434][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.762544][ T32] r5:00001000 r4:e884f000 [ 1349.762598][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.762687][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.762779][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.762825][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.762928][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.762978][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.763085][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.763138][ T32] r4:8454db00 [ 1349.763186][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.763278][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.763332][ T32] r4:00000001 [ 1349.763400][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.763507][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.763578][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.763667][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.763768][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.763839][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.763890][ T32] r4:84e5aa80 [ 1349.763960][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.764060][ T32] INFO: task kworker/0:539:7240 blocked for more than 476 seconds. [ 1349.764136][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.764208][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.764263][ T32] task:kworker/0:539 state:D stack:0 pid:7240 tgid:7240 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.764388][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.764479][ T32] Call trace: [ 1349.764553][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.764654][ T32] r10:8291880c r9:edaadd84 r8:00000002 r7:60000113 r6:edaadd8c r5:85ac5400 [ 1349.764706][ T32] r4:85ac5400 [ 1349.764754][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.764849][ T32] r5:85ac5400 r4:82918808 [ 1349.764898][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.764989][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.765099][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edaade08 [ 1349.765152][ T32] r4:00000000 [ 1349.765196][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.765274][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.765357][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.765456][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bd1dc0 [ 1349.765511][ T32] r4:00000000 [ 1349.765559][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.765657][ T32] r9:83018005 r8:85ac5400 r7:00000000 r6:83018000 r5:00001000 r4:7f777000 [ 1349.765706][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.765802][ T32] r5:00001000 r4:ed675000 [ 1349.765857][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.765946][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.766034][ T32] r5:859c1f8c r4:859c1c00 [ 1349.766089][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.766185][ T32] r7:dddced80 r6:83018000 r5:859c1f8c r4:85a66080 [ 1349.766265][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.766362][ T32] r10:61c88647 r9:85ac5400 r8:85a660ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.766415][ T32] r4:85a66080 [ 1349.766458][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.766553][ T32] r10:00000000 r9:85a66080 r8:8027f5e8 r7:edaa9e60 r6:85924500 r5:85ac5400 [ 1349.766606][ T32] r4:00000001 [ 1349.766663][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.766756][ T32] Exception stack(0xedaadfb0 to 0xedaadff8) [ 1349.766818][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.766887][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.766953][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.767019][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.767087][ T32] r4:85bd1900 [ 1349.768039][ T32] INFO: task kworker/0:539:7240 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.768133][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.768264][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.768362][ T32] Call trace: [ 1349.768429][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.768528][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.768584][ T32] r4:00000000 [ 1349.768631][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.768715][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.768775][ T32] dd20: a95c8000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.768839][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.768897][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.768949][ T32] r5:80070013 r4:80239bb0 [ 1349.768992][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.769096][ T32] r4:82ac11a4 [ 1349.769142][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.769239][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.769292][ T32] r4:e884ddc0 [ 1349.769338][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 12 printk messages dropped ** [ 1349.791644][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 12 printk messages dropped ** [ 1349.792695][ T32] INFO: task kworker/0:540:7242 blocked for more than 476 seconds. ** 12 printk messages dropped ** [ 1349.794298][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edab1e08 ** 9 printk messages dropped ** [ 1349.795023][ T32] r5:00001000 r4:ed6cf000 ** 7 printk messages dropped ** [ 1349.795571][ T32] r4:85a66100 ** 9 printk messages dropped ** [ 1349.796333][ T32] r4:85bd1bc0 [ 1349.797311][ T32] INFO: task kworker/0:540:7242 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.797402][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.797559][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.797682][ T32] Call trace: [ 1349.797792][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.797901][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.798025][ T32] r4:00000000 [ 1349.798112][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.798231][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.798298][ T32] dd20: a96ff000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.798365][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.798427][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.798487][ T32] r5:80070013 r4:80239bb0 [ 1349.798536][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.798641][ T32] r4:82ac11a4 [ 1349.798692][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.798794][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.798852][ T32] r4:e884ddc0 [ 1349.798900][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.798999][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.799066][ T32] r4:00000000 [ 1349.799112][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.799203][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1349.799256][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.799355][ T32] r5:00001000 r4:e884f000 [ 1349.799404][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.799485][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.799569][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.799613][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.799709][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.799814][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.828169][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.828222][ T32] r4:8454db00 [ 1349.828247][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.828318][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.828343][ T32] r4:00000001 [ 1349.828381][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.828435][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.828466][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.828495][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.828522][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.828578][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.828630][ T32] r4:84e5aa80 [ 1349.828688][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.828725][ T32] INFO: task kworker/0:541:7244 blocked for more than 476 seconds. [ 1349.828761][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.828787][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.828998][ T32] task:kworker/0:541 state:D stack:0 pid:7244 tgid:7244 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.829069][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.829117][ T32] Call trace: [ 1349.829150][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.829203][ T32] r10:8291880c r9:edab5d84 r8:00000002 r7:60000113 r6:edab5d8c r5:85ac6c00 [ 1349.829225][ T32] r4:85ac6c00 [ 1349.829258][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.829465][ T32] r5:85ac6c00 r4:82918808 [ 1349.829575][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.829617][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.829659][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edab5e08 [ 1349.829681][ T32] r4:00000000 [ 1349.829702][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) ** 5 printk messages dropped ** [ 1349.845718][ T32] r9:83018005 r8:85ac6c00 r7:00000000 r6:83018000 r5:00001000 r4:7f779000 ** 1 printk messages dropped ** [ 1349.845871][ T32] r5:00001000 r4:ed6a5000 ** 6 printk messages dropped ** [ 1349.846484][ T32] r10:61c88647 r9:85ac6c00 r8:85a661ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 12 printk messages dropped ** [ 1349.848216][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 21 printk messages dropped ** [ 1349.860934][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 15 printk messages dropped ** [ 1349.862268][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 14 printk messages dropped ** [ 1349.863474][ T32] r5:85c10000 r4:82918808 ** 9 printk messages dropped ** [ 1349.864190][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1349.864568][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 12 printk messages dropped ** [ 1349.865555][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1349.867380][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 11 printk messages dropped ** [ 1349.868267][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1349.868606][ T32] r5:00001000 r4:e884f000 [ 1349.868656][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.868746][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.868844][ T32] r5:84fe9f8c r4:84fe9c00 [ 1349.868893][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.868996][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1349.869046][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.869157][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1349.869211][ T32] r4:8454db00 [ 1349.869259][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.869356][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1349.869412][ T32] r4:00000001 [ 1349.869456][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.869540][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1349.869605][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1349.869692][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.896713][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.896863][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.896897][ T32] r4:84e5aa80 [ 1349.896926][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.896969][ T32] INFO: task kworker/0:543:7248 blocked for more than 476 seconds. [ 1349.897006][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.897033][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.897083][ T32] task:kworker/0:543 state:D stack:0 pid:7248 tgid:7248 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.897150][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.897302][ T32] Call trace: [ 1349.897414][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.897535][ T32] r10:8291880c r9:edac5d84 r8:00000002 r7:60000113 r6:edac5d8c r5:85c11800 [ 1349.897591][ T32] r4:85c11800 [ 1349.897640][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.897730][ T32] r5:85c11800 r4:82918808 [ 1349.897779][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.897862][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.897960][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edac5e08 [ 1349.898017][ T32] r4:00000000 [ 1349.898074][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.898152][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.898278][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.898381][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a64600 [ 1349.898457][ T32] r4:00000000 [ 1349.898510][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.898609][ T32] r9:83018005 r8:85c11800 r7:00000000 r6:83018000 r5:00001000 r4:7f787000 [ 1349.898656][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.898740][ T32] r5:00001000 r4:ed7bd000 [ 1349.898917][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.899023][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.899145][ T32] r5:859c3f8c r4:859c3c00 [ 1349.899216][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.899323][ T32] r7:dddced80 r6:83018000 r5:859c3f8c r4:85a66280 [ 1349.899375][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.899469][ T32] r10:61c88647 r9:85c11800 r8:85a662ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.899516][ T32] r4:85a66280 [ 1349.899558][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.899648][ T32] r10:00000000 r9:85a66280 r8:8027f5e8 r7:edabde60 r6:85924700 r5:85c11800 [ 1349.899716][ T32] r4:00000001 [ 1349.914308][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.914604][ T32] Exception stack(0xedac5fb0 to 0xedac5ff8) [ 1349.914682][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.914749][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.914812][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.914880][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.914934][ T32] r4:85a64000 [ 1349.915813][ T32] INFO: task kworker/0:543:7248 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.915902][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.916079][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.916193][ T32] Call trace: [ 1349.916273][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.916390][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.916451][ T32] r4:00000000 [ 1349.916505][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 2 printk messages dropped ** [ 1349.916723][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 8 printk messages dropped ** [ 1349.917392][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 9 printk messages dropped ** [ 1349.918170][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1349.918647][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1349.918974][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1349.919521][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1349.932969][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1349.933719][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.933819][ T32] r5:00001000 r4:ed70b000 ** 2 printk messages dropped ** [ 1349.934172][ T32] r5:859c2f8c r4:859c2c00 ** 3 printk messages dropped ** [ 1349.934716][ T32] r10:61c88647 r9:85c12400 r8:85a6632c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1349.935370][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1349.936925][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 7 printk messages dropped ** [ 1349.937515][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1349.938234][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1349.938942][ T32] r4:8454db00 ** 4 printk messages dropped ** [ 1349.939278][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 4 printk messages dropped ** [ 1349.939612][ T32] r4:84e5aa80 [ 1349.939657][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1349.939711][ T32] INFO: task kworker/0:545:7252 blocked for more than 476 seconds. [ 1349.964040][ T32] Not tainted 6.15.0-syzkaller #0 [ 1349.964289][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1349.964355][ T32] task:kworker/0:545 state:D stack:0 pid:7252 tgid:7252 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.964524][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.964653][ T32] Call trace: [ 1349.964744][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1349.964871][ T32] r10:8291880c r9:edad5d84 r8:00000002 r7:60000013 r6:edad5d8c r5:85c14800 [ 1349.964927][ T32] r4:85c14800 [ 1349.964979][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1349.965107][ T32] r5:85c14800 r4:82918808 [ 1349.965178][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1349.965264][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1349.965361][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edad5e08 [ 1349.965433][ T32] r4:00000000 [ 1349.965488][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1349.965569][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1349.965659][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.965750][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a64480 [ 1349.965800][ T32] r4:00000000 [ 1349.965849][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1349.965949][ T32] r9:83018005 r8:85c14800 r7:00000000 r6:83018000 r5:00001000 r4:7f781000 [ 1349.966016][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1349.966136][ T32] r5:00001000 r4:ed725000 [ 1349.966209][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1349.966295][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1349.966390][ T32] r5:859c338c r4:859c3000 [ 1349.966458][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1349.966568][ T32] r7:dddced80 r6:83018000 r5:859c338c r4:85a66380 [ 1349.966622][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1349.966745][ T32] r10:61c88647 r9:85c14800 r8:85a663ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1349.966818][ T32] r4:85a66380 [ 1349.966879][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1349.966978][ T32] r10:00000000 r9:85a66380 r8:8027f5e8 r7:edac5e60 r6:85924800 r5:85c14800 [ 1349.967030][ T32] r4:00000001 [ 1349.967106][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1349.967199][ T32] Exception stack(0xedad5fb0 to 0xedad5ff8) [ 1349.967258][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1349.967320][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1349.967381][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1349.967441][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1349.967506][ T32] r4:85a64180 [ 1349.968391][ T32] INFO: task kworker/0:545:7252 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1349.968480][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1349.968657][ T32] Workqueue: events bpf_prog_free_deferred [ 1349.968862][ T32] Call trace: [ 1349.968947][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1349.969088][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1349.969148][ T32] r4:00000000 [ 1349.969303][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1349.969408][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1349.969471][ T32] dd20: aa0e2000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1349.969537][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1349.969595][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1349.969653][ T32] r5:80070013 r4:80239bb0 [ 1349.969702][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1349.988329][ T32] r4:82ac11a4 [ 1349.988435][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1349.988617][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1349.988678][ T32] r4:e884ddc0 [ 1349.988751][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1349.988902][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1349.988961][ T32] r4:00000000 [ 1349.989010][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1349.989437][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1350.000923][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1350.001259][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1350.001790][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1350.002955][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 8 printk messages dropped ** [ 1350.004492][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1350.004999][ T32] r5:00001000 r4:ed773000 ** 1 printk messages dropped ** [ 1350.005151][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1350.006135][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1350.007220][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1350.009272][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1350.032176][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1350.033675][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1350.034283][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1350.035411][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 9 printk messages dropped ** [ 1350.036115][ T32] INFO: task kworker/0:547:7255 blocked for more than 476 seconds. ** 7 printk messages dropped ** [ 1350.036869][ T32] r4:8578ec00 ** 3 printk messages dropped ** [ 1350.037193][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1350.038136][ T32] r5:00001000 r4:ed7a3000 [ 1350.038301][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.038399][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1350.038804][ T32] r10:61c88647 r9:8578ec00 r8:85a664ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1350.039432][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1350.072217][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 7 printk messages dropped ** [ 1350.072867][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.072979][ T32] r4:82ac11a4 [ 1350.073050][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.073159][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.073228][ T32] r4:e884ddc0 [ 1350.073281][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.073381][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.073436][ T32] r4:00000000 [ 1350.073485][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.073591][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.073640][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.073752][ T32] r5:00001000 r4:e884f000 [ 1350.073807][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.073895][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.073989][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.074062][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.074430][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1350.074495][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.074599][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.074746][ T32] r4:8454db00 [ 1350.074802][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.074902][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1350.074966][ T32] r4:00000001 [ 1350.075013][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.075177][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1350.075258][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.075328][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.075390][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.075457][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.075580][ T32] r4:84e5aa80 [ 1350.075645][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.075713][ T32] INFO: task kworker/0:548:7260 blocked for more than 476 seconds. [ 1350.075786][ T32] Not tainted 6.15.0-syzkaller #0 [ 1350.075846][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.075922][ T32] task:kworker/0:548 state:D stack:0 pid:7260 tgid:7260 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.076024][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.076197][ T32] Call trace: [ 1350.076281][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1350.076387][ T32] r10:8291880c r9:edaddd84 r8:00000002 r7:60000113 r6:edaddd8c r5:8578a400 [ 1350.076531][ T32] r4:8578a400 [ 1350.076588][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1350.076707][ T32] r5:8578a400 r4:82918808 [ 1350.076802][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.076923][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.077027][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edadde08 [ 1350.077092][ T32] r4:00000000 [ 1350.077135][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1350.077214][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1350.077318][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.077438][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a64980 [ 1350.077507][ T32] r4:00000000 [ 1350.077583][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.077702][ T32] r9:83018005 r8:8578a400 r7:00000000 r6:83018000 r5:00001000 r4:7f789000 [ 1350.077755][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.077845][ T32] r5:00001000 r4:ed7eb000 [ 1350.077889][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.077981][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.078079][ T32] r5:859c438c r4:859c4000 [ 1350.078126][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.078310][ T32] r7:dddced80 r6:83018000 r5:859c438c r4:85a66580 [ 1350.078380][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.078499][ T32] r10:61c88647 r9:8578a400 r8:85a665ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.078576][ T32] r4:85a66580 [ 1350.078626][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.078722][ T32] r10:00000000 r9:85a66580 r8:8027f5e8 r7:edac5e60 r6:85a66600 r5:8578a400 [ 1350.078776][ T32] r4:00000001 [ 1350.078820][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.078914][ T32] Exception stack(0xedaddfb0 to 0xedaddff8) [ 1350.078972][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.079045][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.079116][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.079183][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.079238][ T32] r4:85a64880 [ 1350.100548][ T32] INFO: task kworker/0:548:7260 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1350.100717][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.100870][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.101052][ T32] Call trace: [ 1350.101144][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1350.101262][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1350.101316][ T32] r4:00000000 [ 1350.101378][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.101470][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 2 printk messages dropped ** [ 1350.101675][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 12 printk messages dropped ** [ 1350.102750][ T32] r5:00001000 r4:e884f000 ** 6 printk messages dropped ** [ 1350.103302][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1350.104130][ T32] r4:84e5aa80 ** 5 printk messages dropped ** [ 1350.104606][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1350.105209][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1350.106106][ T32] r5:00001000 r4:ed80b000 [ 1350.106153][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1350.106596][ T32] r7:dddced80 r6:83018000 r5:859c478c r4:85a66680 ** 7 printk messages dropped ** [ 1350.107167][ T32] Exception stack(0xed845fb0 to 0xed845ff8) ** 3 printk messages dropped ** [ 1350.107459][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.107528][ T32] r4:85a64880 [ 1350.108368][ T32] INFO: task kworker/0:549:7261 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1350.108442][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.108629][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.108732][ T32] Call trace: [ 1350.108820][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1350.108930][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1350.108988][ T32] r4:00000000 [ 1350.109042][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.109129][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1350.109191][ T32] dd20: aa9ea000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1350.109258][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.109319][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.109376][ T32] r5:80070013 r4:80239bb0 [ 1350.109423][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.109522][ T32] r4:82ac11a4 [ 1350.109571][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.109672][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.109724][ T32] r4:e884ddc0 [ 1350.142327][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.142577][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.142669][ T32] r4:00000000 [ 1350.142730][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.142834][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.142889][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.142996][ T32] r5:00001000 r4:e884f000 [ 1350.143057][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.143149][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.143264][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.143325][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.143436][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1350.143490][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.143587][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.143637][ T32] r4:8454db00 [ 1350.143683][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 6 printk messages dropped ** [ 1350.144210][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 15 printk messages dropped ** [ 1350.145453][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1350.146419][ T32] r5:00001000 r4:ed893000 ** 2 printk messages dropped ** [ 1350.146646][ T32] r5:859c578c r4:859c5400 ** 7 printk messages dropped ** [ 1350.147198][ T32] r4:00000001 ** 7 printk messages dropped ** [ 1350.148636][ T32] INFO: task kworker/0:550:7263 is blocked on a mutex likely owned by task kworker/1:174:3878. ** 9 printk messages dropped ** [ 1350.149621][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 10 printk messages dropped ** [ 1350.167339][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1350.168387][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1350.169128][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1350.185136][ T32] r4:8578b000 ** 4 printk messages dropped ** [ 1350.185550][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edaf1e08 ** 9 printk messages dropped ** [ 1350.186330][ T32] r5:00001000 r4:ed825000 [ 1350.186392][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1350.186621][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.186723][ T32] r7:dddced80 r6:83018000 r5:859c4b8c r4:85a66880 [ 1350.186771][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.186869][ T32] r10:61c88647 r9:8578b000 r8:85a668ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.186920][ T32] r4:85a66880 [ 1350.186987][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.187121][ T32] r10:00000000 r9:85a66880 r8:8027f5e8 r7:edaede60 r6:85a66900 r5:8578b000 [ 1350.187186][ T32] r4:00000001 [ 1350.187233][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.187334][ T32] Exception stack(0xedaf1fb0 to 0xedaf1ff8) [ 1350.187422][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1350.187489][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.187552][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.187619][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.187687][ T32] r4:85a64b00 [ 1350.188592][ T32] INFO: task kworker/0:551:7264 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1350.188689][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.188829][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.188930][ T32] Call trace: [ 1350.189143][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1350.189269][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1350.189327][ T32] r4:00000000 [ 1350.189424][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.189530][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1350.189600][ T32] dd20: ab05a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1350.189670][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.189803][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.200625][ T32] r5:80070013 r4:80239bb0 [ 1350.200713][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.200845][ T32] r4:82ac11a4 [ 1350.200888][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.200994][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.201057][ T32] r4:e884ddc0 [ 1350.201126][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.201232][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.201298][ T32] r4:00000000 [ 1350.201344][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.201442][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.201496][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.201589][ T32] r5:00001000 r4:e884f000 [ 1350.201639][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.201728][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.201819][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.201868][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.201968][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 1 printk messages dropped ** [ 1350.202128][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 13 printk messages dropped ** [ 1350.203132][ T32] Not tainted 6.15.0-syzkaller #0 ** 8 printk messages dropped ** [ 1350.203882][ T32] r5:8578bc00 r4:82918808 ** 6 printk messages dropped ** [ 1350.204378][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1350.204807][ T32] r5:00001000 r4:ed85f000 [ 1350.204854][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1350.205023][ T32] r5:859c4f8c r4:859c4c00 ** 5 printk messages dropped ** [ 1350.205408][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 9 printk messages dropped ** [ 1350.206885][ T32] INFO: task kworker/0:552:7267 is blocked on a mutex likely owned by task kworker/1:174:3878. ** 9 printk messages dropped ** [ 1350.207895][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 11 printk messages dropped ** [ 1350.208867][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 8 printk messages dropped ** [ 1350.209612][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1350.239172][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1350.256223][ T32] r10:8291880c r9:edaf9d84 r8:00000002 r7:60000013 r6:edaf9d8c r5:85789800 [ 1350.256291][ T32] r4:85789800 [ 1350.256342][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1350.256430][ T32] r5:85789800 r4:82918808 [ 1350.256497][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.256616][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.256706][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edaf9e08 [ 1350.256758][ T32] r4:00000000 [ 1350.256805][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1350.256905][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1350.257005][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.257115][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a64f80 [ 1350.257171][ T32] r4:00000000 [ 1350.257218][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.257325][ T32] r9:83018005 r8:85789800 r7:00000000 r6:83018000 r5:00001000 r4:7f791000 [ 1350.257392][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.257488][ T32] r5:00001000 r4:ed877000 [ 1350.257538][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.257621][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.257710][ T32] r5:859c538c r4:859c5000 [ 1350.257770][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.257873][ T32] r7:dddced80 r6:83018000 r5:859c538c r4:85a66a80 [ 1350.257921][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.258022][ T32] r10:61c88647 r9:85789800 r8:85a66aac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.258099][ T32] r4:85a66a80 [ 1350.258149][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.258279][ T32] r10:00000000 r9:85a66a80 r8:8027f5e8 r7:edaede60 r6:85a66b00 r5:85789800 [ 1350.258338][ T32] r4:00000001 [ 1350.258387][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.258473][ T32] Exception stack(0xedaf9fb0 to 0xedaf9ff8) [ 1350.258533][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1350.258608][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.258697][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.258768][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.258821][ T32] r4:85bd1bc0 [ 1350.259885][ T32] INFO: task kworker/0:553:7268 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1350.270705][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.270947][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.271084][ T32] Call trace: [ 1350.271158][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1350.271291][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 4 printk messages dropped ** [ 1350.271628][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 10 printk messages dropped ** [ 1350.272374][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1350.273174][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 13 printk messages dropped ** [ 1350.274074][ T32] Not tainted 6.15.0-syzkaller #0 ** 12 printk messages dropped ** [ 1350.275185][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1350.276040][ T32] r5:00001000 r4:ed8a1000 ** 1 printk messages dropped ** [ 1350.276195][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 13 printk messages dropped ** [ 1350.277186][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1350.278514][ T32] Call trace: ** 1 printk messages dropped ** [ 1350.278680][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1350.278730][ T32] r4:00000000 [ 1350.278794][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.278905][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1350.278984][ T32] dd20: ab536000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1350.279057][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.279130][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.279187][ T32] r5:80070013 r4:80239bb0 [ 1350.279237][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.279336][ T32] r4:82ac11a4 [ 1350.279384][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.279544][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.279614][ T32] r4:e884ddc0 [ 1350.279737][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.302595][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.302688][ T32] r4:00000000 [ 1350.302751][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.302883][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.302935][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.303047][ T32] r5:00001000 r4:e884f000 [ 1350.303099][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.303189][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.303351][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.303411][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.303567][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1350.303628][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.303734][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.303809][ T32] r4:8454db00 [ 1350.303865][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.303979][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1350.304043][ T32] r4:00000001 [ 1350.304090][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.304172][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1350.304256][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1350.304966][ T32] Workqueue: events bpf_prog_free_deferred ** 13 printk messages dropped ** [ 1350.306110][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a4c700 ** 4 printk messages dropped ** [ 1350.306471][ T32] r5:00001000 r4:ed8ef000 ** 4 printk messages dropped ** [ 1350.306858][ T32] r7:dddced80 r6:83018000 r5:859c678c r4:85a66c80 ** 10 printk messages dropped ** [ 1350.307844][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 10 printk messages dropped ** [ 1350.309711][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 7 printk messages dropped ** [ 1350.334758][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 8 printk messages dropped ** [ 1350.335593][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.335709][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.335815][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.335905][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.336013][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1350.336081][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.336182][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.336235][ T32] r4:8454db00 [ 1350.336283][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.336408][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1350.336489][ T32] r4:00000001 [ 1350.336546][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.336631][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1350.336775][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.336854][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.336917][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.336982][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.337046][ T32] r4:84e5aa80 [ 1350.337101][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.337165][ T32] INFO: task kworker/0:556:7275 blocked for more than 476 seconds. [ 1350.337256][ T32] Not tainted 6.15.0-syzkaller #0 [ 1350.337318][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.337368][ T32] task:kworker/0:556 state:D stack:0 pid:7275 tgid:7275 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.337489][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.337581][ T32] Call trace: [ 1350.337656][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1350.337767][ T32] r10:8291880c r9:edb05d84 r8:00000002 r7:60000013 r6:edb05d8c r5:847a0c00 [ 1350.337820][ T32] r4:847a0c00 [ 1350.337867][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1350.337953][ T32] r5:847a0c00 r4:82918808 [ 1350.337999][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.338115][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.338262][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edb05e08 ** 7 printk messages dropped ** [ 1350.338951][ T32] r9:83018005 r8:847a0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f799000 ** 1 printk messages dropped ** [ 1350.339101][ T32] r5:00001000 r4:ed8e1000 [ 1350.339147][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.339250][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.339343][ T32] r5:859c638c r4:859c6000 [ 1350.339391][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.339489][ T32] r7:dddced80 r6:83018000 r5:859c638c r4:85a66d80 [ 1350.339537][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.339676][ T32] r10:61c88647 r9:847a0c00 r8:85a66dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.339734][ T32] r4:85a66d80 [ 1350.357862][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.358121][ T32] r10:00000000 r9:85a66d80 r8:8027f5e8 r7:edb01e60 r6:85a66e00 r5:847a0c00 [ 1350.358179][ T32] r4:00000001 [ 1350.358270][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.358367][ T32] Exception stack(0xedb05fb0 to 0xedb05ff8) [ 1350.358438][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1350.358510][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.358575][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.358646][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1350.370824][ T32] Workqueue: events bpf_prog_free_deferred ** 13 printk messages dropped ** [ 1350.372017][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 15 printk messages dropped ** [ 1350.373205][ T32] r4:8454db00 ** 9 printk messages dropped ** [ 1350.373924][ T32] r4:84e5aa80 ** 9 printk messages dropped ** [ 1350.374850][ T32] r4:847a1800 ** 9 printk messages dropped ** [ 1350.375617][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a4c880 ** 4 printk messages dropped ** [ 1350.375956][ T32] r5:00001000 r4:ed8ff000 ** 4 printk messages dropped ** [ 1350.376373][ T32] r7:dddced80 r6:83018000 r5:859c6b8c r4:85a66e80 ** 10 printk messages dropped ** [ 1350.377126][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.377192][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.377243][ T32] r4:85a4c500 [ 1350.378139][ T32] INFO: task kworker/0:557:7277 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1350.378241][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.378367][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.378460][ T32] Call trace: [ 1350.378530][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 5 printk messages dropped ** [ 1350.379004][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 12 printk messages dropped ** [ 1350.402136][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 9 printk messages dropped ** [ 1350.403056][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 14 printk messages dropped ** [ 1350.404195][ T32] Workqueue: events bpf_prog_free_deferred ** 8 printk messages dropped ** [ 1350.404989][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edb09e08 ** 9 printk messages dropped ** [ 1350.405785][ T32] r5:00001000 r4:ed90b000 [ 1350.405832][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1350.406081][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1350.406918][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1350.408753][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 10 printk messages dropped ** [ 1350.409592][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 13 printk messages dropped ** [ 1350.444719][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1350.445577][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1350.446506][ T32] r4:847a3000 ** 5 printk messages dropped ** [ 1350.446958][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1350.447772][ T32] r5:00001000 r4:dfcd1000 ** 2 printk messages dropped ** [ 1350.448080][ T32] r5:859c738c r4:859c7000 ** 11 printk messages dropped ** [ 1350.449070][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1350.449305][ T32] r4:85a4c680 [ 1350.477770][ T32] INFO: task kworker/0:559:7281 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1350.477998][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.478230][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.478375][ T32] Call trace: [ 1350.478474][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1350.478600][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1350.478676][ T32] r4:00000000 [ 1350.478751][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.478855][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1350.478916][ T32] dd20: ac0cf000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1350.478976][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.479037][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.479098][ T32] r5:80070013 r4:80239bb0 [ 1350.479169][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.479279][ T32] r4:82ac11a4 [ 1350.479328][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.479428][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.479476][ T32] r4:e884ddc0 [ 1350.479525][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.479869][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.484835][ T32] r4:00000000 [ 1350.484932][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.485085][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.485163][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.485264][ T32] r5:00001000 r4:e884f000 [ 1350.485340][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.485450][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.485551][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.485602][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.485723][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1350.485804][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.485907][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.485960][ T32] r4:8454db00 [ 1350.486009][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.486130][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1350.486216][ T32] r4:00000001 [ 1350.486267][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.486356][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1350.486420][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.486479][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.486538][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.486600][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.486673][ T32] r4:84e5aa80 [ 1350.486746][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.486814][ T32] INFO: task kworker/0:560:7283 blocked for more than 476 seconds. [ 1350.486907][ T32] Not tainted 6.15.0-syzkaller #0 [ 1350.486974][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.487026][ T32] task:kworker/0:560 state:D stack:0 pid:7283 tgid:7283 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.487151][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.487248][ T32] Call trace: [ 1350.487377][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 5 printk messages dropped ** [ 1350.487898][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1350.488993][ T32] r5:00001000 r4:ec9fd000 [ 1350.489063][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.489180][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1350.489486][ T32] r7:dddced80 r6:83018000 r5:859c778c r4:85a56180 ** 7 printk messages dropped ** [ 1350.508782][ T32] Exception stack(0xedb11fb0 to 0xedb11ff8) ** 6 printk messages dropped ** [ 1350.520914][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1350.522381][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1350.522904][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1350.523727][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1350.524292][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1350.524953][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1350.525678][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1350.526655][ T32] r5:00001000 r4:ed919000 [ 1350.526751][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.526850][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.526944][ T32] r5:859c7b8c r4:859c7800 [ 1350.526992][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.527096][ T32] r7:dddced80 r6:83018000 r5:859c7b8c r4:85a56280 [ 1350.527146][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.527298][ T32] r10:61c88647 r9:847a4800 r8:85a562ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.527367][ T32] r4:85a56280 [ 1350.527427][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.527525][ T32] r10:00000000 r9:85a56280 r8:8027f5e8 r7:edb11e60 r6:85a56300 r5:847a4800 [ 1350.527584][ T32] r4:00000001 [ 1350.527630][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.527716][ T32] Exception stack(0xedb15fb0 to 0xedb15ff8) [ 1350.527784][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1350.527867][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.527952][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.528046][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.528216][ T32] r4:85a4cb80 [ 1350.529006][ T32] INFO: task kworker/0:561:7285 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1350.529109][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.529240][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.529349][ T32] Call trace: [ 1350.529421][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1350.529549][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1350.529671][ T32] r4:00000000 [ 1350.529743][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.550829][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1350.550997][ T32] dd20: ac49e000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1350.551087][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.551169][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.551237][ T32] r5:80070013 r4:80239bb0 [ 1350.551293][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.551435][ T32] r4:82ac11a4 [ 1350.551487][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.551615][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.551689][ T32] r4:e884ddc0 [ 1350.551761][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.551869][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.551921][ T32] r4:00000000 [ 1350.551970][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.552073][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.552124][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.552218][ T32] r5:00001000 r4:e884f000 [ 1350.552286][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.552403][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.552517][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.552656][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.552769][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1350.552818][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.552996][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.553058][ T32] r4:8454db00 [ 1350.553109][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.553300][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1350.553401][ T32] r4:00000001 [ 1350.553535][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.553671][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1350.553739][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.553829][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.553909][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.553993][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.554053][ T32] r4:84e5aa80 [ 1350.554108][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.554172][ T32] INFO: task kworker/0:562:7287 blocked for more than 477 seconds. [ 1350.554264][ T32] Not tainted 6.15.0-syzkaller #0 [ 1350.554355][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.554422][ T32] task:kworker/0:562 state:D stack:0 pid:7287 tgid:7287 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.554540][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.554635][ T32] Call trace: [ 1350.554729][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1350.554845][ T32] r10:8291880c r9:edb19d84 r8:00000002 r7:60000013 r6:edb19d8c r5:847a5400 [ 1350.554913][ T32] r4:847a5400 [ 1350.554968][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1350.555064][ T32] r5:847a5400 r4:82918808 [ 1350.555116][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.555201][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.555295][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edb19e08 [ 1350.555357][ T32] r4:00000000 [ 1350.555423][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1350.555520][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1350.555604][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.555701][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a4c280 [ 1350.555765][ T32] r4:00000000 [ 1350.555813][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.555912][ T32] r9:83018005 r8:847a5400 r7:00000000 r6:83018000 r5:00001000 r4:7f7a5000 [ 1350.555983][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.556118][ T32] r5:00001000 r4:ed957000 [ 1350.556175][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.556289][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.556423][ T32] r5:859c7f8c r4:859c7c00 [ 1350.556478][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.556577][ T32] r7:dddced80 r6:83018000 r5:859c7f8c r4:85a56380 [ 1350.556696][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.556804][ T32] r10:61c88647 r9:847a5400 r8:85a563ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.556856][ T32] r4:85a56380 [ 1350.556900][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.556999][ T32] r10:00000000 r9:85a56380 r8:8027f5e8 r7:edb15e60 r6:85a56400 r5:847a5400 [ 1350.557055][ T32] r4:00000001 [ 1350.557100][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.557187][ T32] Exception stack(0xedb19fb0 to 0xedb19ff8) [ 1350.557247][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1350.557321][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.557385][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.557479][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.557549][ T32] r4:85a4cf00 [ 1350.558465][ T32] INFO: task kworker/0:562:7287 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1350.558547][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.558713][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.558888][ T32] Call trace: [ 1350.559029][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1350.559146][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1350.559202][ T32] r4:00000000 [ 1350.559249][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.559342][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1350.559425][ T32] dd20: ac49e000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1350.559524][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.559590][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.559649][ T32] r5:80070013 r4:80239bb0 [ 1350.559802][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.582952][ T32] r4:82ac11a4 [ 1350.583044][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.583196][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.583256][ T32] r4:e884ddc0 [ 1350.583317][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.583424][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.583486][ T32] r4:00000000 [ 1350.583539][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.583645][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.583712][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.583817][ T32] r5:00001000 r4:e884f000 [ 1350.583867][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.583962][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.584078][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.584141][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.584241][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1350.584290][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.584394][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.584449][ T32] r4:8454db00 [ 1350.584496][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.584619][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1350.584683][ T32] r4:00000001 [ 1350.584733][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.584818][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1350.584890][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.584955][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.585019][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.585089][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.585153][ T32] r4:84e5aa80 [ 1350.585205][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.585265][ T32] INFO: task kworker/0:563:7289 blocked for more than 477 seconds. ** 9 printk messages dropped ** [ 1350.585662][ T32] r5:847a6000 r4:82918808 ** 9 printk messages dropped ** [ 1350.586010][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 4 printk messages dropped ** [ 1350.586231][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1350.586698][ T32] Exception stack(0xedb1dfb0 to 0xedb1dff8) ** 6 printk messages dropped ** [ 1350.587381][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1350.587566][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1350.587588][ T32] r4:00000000 [ 1350.587607][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.587643][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1350.587669][ T32] dd20: ac6fd000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1350.587697][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.587735][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.587781][ T32] r5:80070013 r4:80239bb0 [ 1350.587804][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.587850][ T32] r4:82ac11a4 [ 1350.587887][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.587936][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.587958][ T32] r4:e884ddc0 [ 1350.587998][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.588040][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.588062][ T32] r4:00000000 [ 1350.588080][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.588123][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 14 printk messages dropped ** [ 1350.588583][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 17 printk messages dropped ** [ 1350.589185][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 13 printk messages dropped ** [ 1350.589681][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 22 printk messages dropped ** [ 1350.613122][ T32] r4:00000000 ** 9 printk messages dropped ** [ 1350.613824][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 11 printk messages dropped ** [ 1350.614740][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 23 printk messages dropped ** [ 1350.616357][ T32] r4:85190000 ** 12 printk messages dropped ** [ 1350.616834][ T32] r9:83018005 r8:85190000 r7:00000000 r6:83018000 r5:00001000 r4:7f7ab000 ** 8 printk messages dropped ** [ 1350.617165][ T32] r10:61c88647 r9:85190000 r8:85a566ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1350.617459][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.617486][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.617507][ T32] r4:847100c0 [ 1350.617818][ T32] INFO: task kworker/0:565:7293 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1350.617849][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.617903][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.617961][ T32] Call trace: [ 1350.617990][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1350.618037][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1350.618060][ T32] r4:00000000 [ 1350.618164][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.618221][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1350.618249][ T32] dd20: ac786000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1350.618278][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.618307][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.618332][ T32] r5:80070013 r4:80239bb0 [ 1350.618438][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.618487][ T32] r4:82ac11a4 [ 1350.618507][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.618562][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.618587][ T32] r4:e884ddc0 [ 1350.618605][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.618647][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.618687][ T32] r4:00000000 [ 1350.618710][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.618774][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.618799][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.618841][ T32] r5:00001000 r4:e884f000 [ 1350.618861][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.618899][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1350.619035][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 16 printk messages dropped ** [ 1350.619570][ T32] task:kworker/0:566 state:D stack:0 pid:7294 tgid:7294 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 19 printk messages dropped ** [ 1350.642909][ T32] r5:00001000 r4:eda1f000 ** 1 printk messages dropped ** [ 1350.643084][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 17 printk messages dropped ** [ 1350.644259][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 29 printk messages dropped ** [ 1350.645511][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 15 printk messages dropped ** [ 1350.646495][ T32] task:kworker/0:567 state:D stack:0 pid:7296 tgid:7296 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 16 printk messages dropped ** [ 1350.647733][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.647853][ T32] r9:83018005 r8:85193000 r7:00000000 r6:83018000 r5:00001000 r4:7f7ad000 [ 1350.647911][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.648026][ T32] r5:00001000 r4:ed98d000 [ 1350.648091][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.648189][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.648280][ T32] r5:859d4f8c r4:859d4c00 [ 1350.648336][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.648435][ T32] r7:dddced80 r6:83018000 r5:859d4f8c r4:85a56880 [ 1350.648465][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.648570][ T32] r10:61c88647 r9:85193000 r8:85a568ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.648667][ T32] r4:85a56880 [ 1350.648752][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.648800][ T32] r10:00000000 r9:85a56880 r8:8027f5e8 r7:edb2de60 r6:85a56900 r5:85193000 [ 1350.648822][ T32] r4:00000001 [ 1350.648840][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.648875][ T32] Exception stack(0xedb31fb0 to 0xedb31ff8) [ 1350.648900][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1350.649354][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1350.673611][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1350.673670][ T32] r4:00000000 [ 1350.673721][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.673837][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1350.673915][ T32] dd20: acdc7000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1350.673998][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.674063][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.674134][ T32] r5:80070013 r4:80239bb0 [ 1350.674185][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.674322][ T32] r4:82ac11a4 [ 1350.674377][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.674486][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.674547][ T32] r4:e884ddc0 [ 1350.674647][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.674754][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.674810][ T32] r4:00000000 [ 1350.674857][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.674928][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.674975][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.675024][ T32] r5:00001000 r4:e884f000 [ 1350.675094][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.675150][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.675195][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.675214][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.675261][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1350.675282][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.675334][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.675356][ T32] r4:8454db00 [ 1350.675375][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.675418][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1350.675440][ T32] r4:00000001 [ 1350.675459][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.675493][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1350.675519][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.675547][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.675572][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.675600][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1350.675889][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1350.676179][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1350.676424][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84710a80 ** 4 printk messages dropped ** [ 1350.676640][ T32] r5:00001000 r4:eda11000 [ 1350.676662][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1350.676782][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1350.677187][ T32] Exception stack(0xedb21fb0 to 0xedb21ff8) ** 6 printk messages dropped ** [ 1350.677912][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1350.678364][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1350.678587][ T32] r4:e884ddc0 ** 6 printk messages dropped ** [ 1350.678806][ T32] r5:00001000 r4:e884f000 ** 5 printk messages dropped ** [ 1350.678988][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1350.679187][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 6 printk messages dropped ** [ 1350.679386][ T32] INFO: task kworker/0:569:7303 blocked for more than 477 seconds. ** 6 printk messages dropped ** [ 1350.679649][ T32] r10:8291880c r9:edb41d84 r8:00000002 r7:60000113 r6:edb41d8c r5:85c13000 ** 2 printk messages dropped ** [ 1350.679726][ T32] r5:85c13000 r4:82918808 [ 1350.679809][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.700496][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.700693][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edb41e08 [ 1350.700752][ T32] r4:00000000 [ 1350.700800][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1350.700890][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1350.700993][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.701091][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84710c80 [ 1350.701141][ T32] r4:00000000 [ 1350.701190][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.701297][ T32] r9:83018005 r8:85c13000 r7:00000000 r6:83018000 r5:00001000 r4:7f7b7000 [ 1350.701363][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.701466][ T32] r5:00001000 r4:eda33000 [ 1350.701514][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.701605][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.701700][ T32] r5:859d5b8c r4:859d5800 [ 1350.701750][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.701855][ T32] r7:dddced80 r6:83018000 r5:859d5b8c r4:85a56a00 [ 1350.701907][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.702006][ T32] r10:61c88647 r9:85c13000 r8:85a56a2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.702059][ T32] r4:85a56a00 [ 1350.702109][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.702233][ T32] r10:00000000 r9:85a56a00 r8:8027f5e8 r7:edb2de60 r6:85924980 r5:85c13000 [ 1350.702291][ T32] r4:00000001 [ 1350.702370][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.702467][ T32] Exception stack(0xedb41fb0 to 0xedb41ff8) [ 1350.702536][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1350.702635][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.702714][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.702794][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.702851][ T32] r4:847109c0 [ 1350.703733][ T32] INFO: task kworker/0:569:7303 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1350.703821][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.703972][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.704083][ T32] Call trace: [ 1350.704164][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1350.704278][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1350.704347][ T32] r4:00000000 [ 1350.704401][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.704497][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1350.704589][ T32] dd20: ad00e000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1350.704669][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.704729][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.704785][ T32] r5:80070013 r4:80239bb0 [ 1350.704831][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.704930][ T32] r4:82ac11a4 [ 1350.704995][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.705116][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.705174][ T32] r4:e884ddc0 [ 1350.705224][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.705346][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.705406][ T32] r4:00000000 [ 1350.705455][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.705555][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.705608][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.705704][ T32] r5:00001000 r4:e884f000 [ 1350.705752][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.705839][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.705938][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.706036][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.706149][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 1 printk messages dropped ** [ 1350.706335][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1350.706951][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1350.707507][ T32] Workqueue: events bpf_prog_free_deferred ** 9 printk messages dropped ** [ 1350.708340][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1350.708746][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1350.709019][ T32] r5:00001000 r4:eda4f000 ** 2 printk messages dropped ** [ 1350.709291][ T32] r5:859d638c r4:859d6000 ** 4 printk messages dropped ** [ 1350.709670][ T32] r4:85a56a80 ** 4 printk messages dropped ** [ 1350.742249][ T32] Exception stack(0xedb49fb0 to 0xedb49ff8) ** 6 printk messages dropped ** [ 1350.743608][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1350.744918][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1350.745282][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 10 printk messages dropped ** [ 1350.746222][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1350.746968][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1350.747569][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1350.748034][ T32] r5:85c15400 r4:82918808 ** 5 printk messages dropped ** [ 1350.748483][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1350.749032][ T32] r5:00001000 r4:eda41000 [ 1350.749096][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1350.749430][ T32] r7:dddced80 r6:83018000 r5:859d5f8c r4:85a56b00 ** 7 printk messages dropped ** [ 1350.770840][ T32] Exception stack(0xedb4dfb0 to 0xedb4dff8) ** 6 printk messages dropped ** [ 1350.772172][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1350.773057][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.773119][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.773174][ T32] r5:80070013 r4:80239bb0 [ 1350.773220][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.773326][ T32] r4:82ac11a4 [ 1350.773373][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.773477][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.773530][ T32] r4:e884ddc0 [ 1350.773608][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.773720][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.773776][ T32] r4:00000000 [ 1350.773822][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.773923][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.773976][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.774074][ T32] r5:00001000 r4:e884f000 [ 1350.774123][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.774236][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.774339][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.774396][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.774500][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1350.774550][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.774664][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.774715][ T32] r4:8454db00 [ 1350.774763][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.774861][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1350.774915][ T32] r4:00000001 [ 1350.774960][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.775040][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1350.775101][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.775163][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.775225][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.775289][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.775352][ T32] r4:84e5aa80 [ 1350.775401][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.775481][ T32] INFO: task kworker/0:572:7310 blocked for more than 477 seconds. [ 1350.775567][ T32] Not tainted 6.15.0-syzkaller #0 [ 1350.775628][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.775679][ T32] task:kworker/0:572 state:D stack:0 pid:7310 tgid:7310 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.775775][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.775865][ T32] Call trace: [ 1350.775934][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1350.776058][ T32] r10:8291880c r9:edb5dd84 r8:00000002 r7:60000113 r6:edb5dd8c r5:85c19800 [ 1350.776128][ T32] r4:85c19800 [ 1350.776178][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1350.776282][ T32] r5:85c19800 r4:82918808 [ 1350.776349][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.776434][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.776533][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edb5de08 [ 1350.776599][ T32] r4:00000000 [ 1350.776646][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1350.776726][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1350.776812][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.776909][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84710700 [ 1350.776961][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1350.777143][ T32] r9:83018005 r8:85c19800 r7:00000000 r6:83018000 r5:00001000 r4:7f7bd000 ** 1 printk messages dropped ** [ 1350.777308][ T32] r5:00001000 r4:eda5b000 [ 1350.777362][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1350.777692][ T32] r7:dddced80 r6:83018000 r5:859d678c r4:85a56b80 ** 7 printk messages dropped ** [ 1350.778297][ T32] Exception stack(0xedb5dfb0 to 0xedb5dff8) ** 6 printk messages dropped ** [ 1350.779389][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1350.804174][ T32] r5:80070013 r4:80239bb0 ** 6 printk messages dropped ** [ 1350.804762][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 9 printk messages dropped ** [ 1350.805574][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1350.806116][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1350.806472][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1350.807163][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1350.807541][ T32] r4:85c18000 ** 4 printk messages dropped ** [ 1350.808091][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edb61e08 ** 9 printk messages dropped ** [ 1350.809000][ T32] r5:00001000 r4:edbb5000 [ 1350.809047][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1350.809433][ T32] r7:dddced80 r6:83018000 r5:859d838c r4:85a56c00 ** 6 printk messages dropped ** [ 1350.828213][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1350.829823][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1350.841843][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1350.842362][ T32] r4:e884ddc0 ** 2 printk messages dropped ** [ 1350.842569][ T32] r4:00000000 [ 1350.842619][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.842720][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.842773][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.842865][ T32] r5:00001000 r4:e884f000 [ 1350.842914][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.843030][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.843166][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.843237][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.843351][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1350.843405][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.843505][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.843555][ T32] r4:8454db00 [ 1350.843603][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.843704][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1350.843759][ T32] r4:00000001 [ 1350.843807][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.843890][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1350.843985][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.844083][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.844155][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.844219][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.844274][ T32] r4:84e5aa80 [ 1350.844374][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.844447][ T32] INFO: task kworker/0:574:7312 blocked for more than 477 seconds. [ 1350.844527][ T32] Not tainted 6.15.0-syzkaller #0 [ 1350.844587][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.844668][ T32] task:kworker/0:574 state:D stack:0 pid:7312 tgid:7312 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.844774][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.844864][ T32] Call trace: [ 1350.845024][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1350.845206][ T32] r10:8291880c r9:edb69d84 r8:00000002 r7:60000013 r6:edb69d8c r5:85c1a400 [ 1350.845268][ T32] r4:85c1a400 [ 1350.845351][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1350.845456][ T32] r5:85c1a400 r4:82918808 [ 1350.845506][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.845591][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.845684][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edb69e08 [ 1350.845731][ T32] r4:00000000 [ 1350.845776][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1350.845859][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1350.845988][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.846123][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c08500 [ 1350.846180][ T32] r4:00000000 [ 1350.846282][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.846396][ T32] r9:83018005 r8:85c1a400 r7:00000000 r6:83018000 r5:00001000 r4:7f7bf000 [ 1350.846450][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.846540][ T32] r5:00001000 r4:eda65000 [ 1350.846616][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.846704][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.846791][ T32] r5:859d6b8c r4:859d6800 [ 1350.846876][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.846984][ T32] r7:dddced80 r6:83018000 r5:859d6b8c r4:85a56c80 [ 1350.847034][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.847138][ T32] r10:61c88647 r9:85c1a400 r8:85a56cac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.847189][ T32] r4:85a56c80 [ 1350.847235][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.847338][ T32] r10:00000000 r9:85a56c80 r8:8027f5e8 r7:edb61e60 r6:85924c00 r5:85c1a400 [ 1350.847390][ T32] r4:00000001 [ 1350.847432][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.847503][ T32] Exception stack(0xedb69fb0 to 0xedb69ff8) [ 1350.847561][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1350.847621][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.847684][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.847745][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.847796][ T32] r4:84710800 [ 1350.848719][ T32] INFO: task kworker/0:574:7312 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1350.848829][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.848963][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.849068][ T32] Call trace: [ 1350.849143][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1350.849248][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1350.849351][ T32] r4:00000000 [ 1350.849420][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.849511][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1350.849581][ T32] dd20: add2b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1350.849651][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.849707][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.849868][ T32] r5:80070013 r4:80239bb0 [ 1350.870844][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.871066][ T32] r4:82ac11a4 [ 1350.871130][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.871233][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 7 printk messages dropped ** [ 1350.871800][ T32] r5:00001000 r4:e884f000 ** 4 printk messages dropped ** [ 1350.872259][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1350.872704][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1350.873190][ T32] r4:84e5aa80 ** 5 printk messages dropped ** [ 1350.873636][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1350.874273][ T32] r5:85c1c800 r4:82918808 ** 3 printk messages dropped ** [ 1350.874643][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1350.875229][ T32] r9:83018005 r8:85c1c800 r7:00000000 r6:83018000 r5:00001000 r4:7f7c1000 ** 1 printk messages dropped ** [ 1350.875408][ T32] r5:00001000 r4:edb65000 ** 4 printk messages dropped ** [ 1350.875782][ T32] r7:dddced80 r6:83018000 r5:859d6f8c r4:85a56d00 ** 4 printk messages dropped ** [ 1350.876188][ T32] r10:00000000 r9:85a56d00 r8:8027f5e8 r7:edb61e60 r6:85924c80 r5:85c1c800 ** 5 printk messages dropped ** [ 1350.876683][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.876762][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.876816][ T32] r4:84ee7e00 [ 1350.877746][ T32] INFO: task kworker/0:575:7314 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1350.877839][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.877966][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.878067][ T32] Call trace: [ 1350.878172][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1350.878347][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1350.878412][ T32] r4:00000000 [ 1350.878468][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.878557][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1350.878622][ T32] dd20: adfd4000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1350.878720][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.878816][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.878881][ T32] r5:80070013 r4:80239bb0 [ 1350.878933][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.879038][ T32] r4:82ac11a4 [ 1350.879087][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.879190][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.879299][ T32] r4:e884ddc0 [ 1350.879368][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.879466][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.879569][ T32] r4:00000000 [ 1350.879626][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.879818][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.910442][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.910649][ T32] r5:00001000 r4:e884f000 [ 1350.910715][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.910802][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.910900][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.910955][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.911063][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1350.911115][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.911268][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.911342][ T32] r4:8454db00 [ 1350.911397][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.911504][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1350.911561][ T32] r4:00000001 [ 1350.911610][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.911698][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1350.911766][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.911832][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.911893][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.911958][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.912010][ T32] r4:84e5aa80 [ 1350.912067][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1350.912153][ T32] INFO: task kworker/0:576:7316 blocked for more than 477 seconds. [ 1350.912229][ T32] Not tainted 6.15.0-syzkaller #0 [ 1350.912287][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1350.912347][ T32] task:kworker/0:576 state:D stack:0 pid:7316 tgid:7316 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.912472][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.912583][ T32] Call trace: [ 1350.912662][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1350.912776][ T32] r10:8291880c r9:edb81d84 r8:00000002 r7:60000113 r6:edb81d8c r5:85c1b000 [ 1350.912832][ T32] r4:85c1b000 [ 1350.912882][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1350.912975][ T32] r5:85c1b000 r4:82918808 [ 1350.913024][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1350.913110][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1350.913209][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edb81e08 [ 1350.913263][ T32] r4:00000000 [ 1350.913317][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1350.913400][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1350.913497][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.913595][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d9f040 [ 1350.913647][ T32] r4:00000000 [ 1350.913695][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.913792][ T32] r9:83018005 r8:85c1b000 r7:00000000 r6:83018000 r5:00001000 r4:7f7c3000 [ 1350.913845][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.913936][ T32] r5:00001000 r4:edb75000 [ 1350.913985][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.914088][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.914182][ T32] r5:859d738c r4:859d7000 [ 1350.914259][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.914372][ T32] r7:dddced80 r6:83018000 r5:859d738c r4:85a56d80 [ 1350.914434][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.914536][ T32] r10:61c88647 r9:85c1b000 r8:85a56dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1350.914612][ T32] r4:85a56d80 [ 1350.914665][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.914780][ T32] r10:00000000 r9:85a56d80 r8:8027f5e8 r7:edb61e60 r6:85924d00 r5:85c1b000 [ 1350.914836][ T32] r4:00000001 [ 1350.914883][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.914983][ T32] Exception stack(0xedb81fb0 to 0xedb81ff8) [ 1350.915067][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1350.915133][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.915204][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1350.915266][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1350.915325][ T32] r4:84ee7e00 [ 1350.916194][ T32] INFO: task kworker/0:576:7316 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1350.916273][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1350.916408][ T32] Workqueue: events bpf_prog_free_deferred [ 1350.916501][ T32] Call trace: [ 1350.916573][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1350.916680][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1350.916736][ T32] r4:00000000 [ 1350.916782][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1350.916869][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1350.916933][ T32] dd20: ae238000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1350.916999][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.917062][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.917121][ T32] r5:80070013 r4:80239bb0 [ 1350.917169][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.917281][ T32] r4:82ac11a4 [ 1350.917347][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.917450][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.917503][ T32] r4:e884ddc0 [ 1350.917549][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.917646][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.917700][ T32] r4:00000000 [ 1350.917745][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.917844][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.917910][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.917999][ T32] r5:00001000 r4:e884f000 [ 1350.918047][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.918138][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.918257][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.918315][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.918422][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1350.918471][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.918568][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.918626][ T32] r4:8454db00 [ 1350.918699][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.918803][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1350.918858][ T32] r4:00000001 [ 1350.918906][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.918988][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1350.919050][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.919117][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1350.919179][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1350.919532][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1350.941281][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1350.942275][ T32] r5:00001000 r4:edb89000 [ 1350.942333][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.942455][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.942563][ T32] r5:859d778c r4:859d7400 ** 2 printk messages dropped ** [ 1350.942758][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1350.943427][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1350.944903][ T32] Call trace: ** 4 printk messages dropped ** [ 1350.945352][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 5 printk messages dropped ** [ 1350.945781][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1350.946185][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1350.947346][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1350.948022][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1350.948651][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1350.949332][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1350.984241][ T32] r9:83018005 r8:85c1ec00 r7:00000000 r6:83018000 r5:00001000 r4:7f7c7000 ** 1 printk messages dropped ** [ 1350.984477][ T32] r5:00001000 r4:edb99000 ** 2 printk messages dropped ** [ 1350.984713][ T32] r5:859d7b8c r4:859d7800 ** 4 printk messages dropped ** [ 1350.985077][ T32] r4:85a56e80 ** 6 printk messages dropped ** [ 1350.985596][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1350.987282][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1350.987485][ T32] dd20: aeea1000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1350.987551][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1350.987610][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1350.987668][ T32] r5:80070013 r4:80239bb0 [ 1350.987715][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1350.987814][ T32] r4:82ac11a4 [ 1350.987863][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1350.988014][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1350.988077][ T32] r4:e884ddc0 [ 1350.988126][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1350.988224][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1350.988297][ T32] r4:00000000 [ 1350.988405][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1350.988517][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1350.988574][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1350.988668][ T32] r5:00001000 r4:e884f000 [ 1350.988717][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1350.988807][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1350.988900][ T32] r5:84fe9f8c r4:84fe9c00 [ 1350.988948][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1350.989051][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1350.989104][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1350.989206][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1350.989259][ T32] r4:8454db00 [ 1350.989314][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1350.989413][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1350.989467][ T32] r4:00000001 [ 1350.989513][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1350.989595][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1350.989657][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1350.989723][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.002458][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.002630][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.002687][ T32] r4:84e5aa80 [ 1351.002745][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.002817][ T32] INFO: task kworker/0:579:7323 blocked for more than 477 seconds. [ 1351.002893][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.002980][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.003040][ T32] task:kworker/0:579 state:D stack:0 pid:7323 tgid:7323 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.003166][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.003292][ T32] Call trace: [ 1351.003464][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.003583][ T32] r10:8291880c r9:edbbdd84 r8:00000002 r7:60000113 r6:edbbdd8c r5:85c1bc00 [ 1351.003634][ T32] r4:85c1bc00 [ 1351.003682][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.003768][ T32] r5:85c1bc00 r4:82918808 [ 1351.003815][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.003931][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.004038][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edbbde08 [ 1351.004093][ T32] r4:00000000 [ 1351.004138][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.004223][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.004326][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1351.004467][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.004812][ T32] r5:00001000 r4:edba5000 [ 1351.004874][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.004959][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1351.005423][ T32] r10:61c88647 r9:85c1bc00 r8:85a56f2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 12 printk messages dropped ** [ 1351.007090][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1351.008173][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1351.008508][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1351.009491][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1351.026999][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1351.027311][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1351.027622][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1351.028028][ T32] r5:00001000 r4:edbc5000 [ 1351.028109][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1351.028290][ T32] r7:dddced80 r6:83018000 r5:859d878c r4:85a56f80 ** 6 printk messages dropped ** [ 1351.028517][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1351.029334][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1351.029705][ T32] dd20: af627000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 6 printk messages dropped ** [ 1351.050482][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 9 printk messages dropped ** [ 1351.050823][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1351.051085][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 6 printk messages dropped ** [ 1351.051297][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 5 printk messages dropped ** [ 1351.051465][ T32] task:kworker/0:581 state:D stack:0 pid:7327 tgid:7327 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.051562][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.051636][ T32] Call trace: [ 1351.051671][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.051724][ T32] r10:8291880c r9:edbe5d84 r8:00000002 r7:60000013 r6:edbe5d8c r5:85ac0c00 [ 1351.051747][ T32] r4:85ac0c00 [ 1351.051809][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.051854][ T32] r5:85ac0c00 r4:82918808 [ 1351.051873][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.051909][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.051951][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edbe5e08 [ 1351.051972][ T32] r4:00000000 [ 1351.052025][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.052137][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.052179][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.052224][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d9fa80 [ 1351.052247][ T32] r4:00000000 [ 1351.052294][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.052348][ T32] r9:83018005 r8:85ac0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f7d1000 [ 1351.052370][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.052409][ T32] r5:00001000 r4:edbe1000 [ 1351.052428][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.052465][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.052505][ T32] r5:859d8f8c r4:859d8c00 [ 1351.052529][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.052574][ T32] r7:dddced80 r6:83018000 r5:859d8f8c r4:84715000 [ 1351.052594][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.052637][ T32] r10:61c88647 r9:85ac0c00 r8:8471502c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.052659][ T32] r4:84715000 [ 1351.052682][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.052726][ T32] r10:00000000 r9:84715000 r8:8027f5e8 r7:edbcde60 r6:85924f80 r5:85ac0c00 [ 1351.052747][ T32] r4:00000001 [ 1351.052790][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.052830][ T32] Exception stack(0xedbe5fb0 to 0xedbe5ff8) [ 1351.052856][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1351.052884][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.052950][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.052983][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.053005][ T32] r4:84d9f680 [ 1351.053534][ T32] INFO: task kworker/0:581:7327 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.053572][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.053630][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.053673][ T32] Call trace: [ 1351.053714][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.053765][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.053789][ T32] r4:00000000 [ 1351.053807][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.053843][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.053870][ T32] dd20: afe8d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.053898][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.053948][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.053977][ T32] r5:80070013 r4:80239bb0 [ 1351.053997][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.054075][ T32] r4:82ac11a4 [ 1351.054098][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.054146][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.054168][ T32] r4:e884ddc0 [ 1351.054207][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.054253][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.054275][ T32] r4:00000000 [ 1351.054294][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.054369][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.054395][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.054437][ T32] r5:00001000 r4:e884f000 [ 1351.054456][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1351.054616][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 8 printk messages dropped ** [ 1351.054931][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1351.055257][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1351.055605][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1351.056020][ T32] r5:00001000 r4:edbd5000 [ 1351.056039][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1351.056208][ T32] r7:dddced80 r6:83018000 r5:859d8b8c r4:84715080 ** 8 printk messages dropped ** [ 1351.056522][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1351.057174][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1351.057558][ T32] dd20: afe8d000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 10 printk messages dropped ** [ 1351.058017][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1351.058225][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1351.058400][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.058422][ T32] r4:8454db00 [ 1351.058441][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.058483][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.058504][ T32] r4:00000001 [ 1351.058549][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.058588][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.058614][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.058640][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.058690][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.058746][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.058772][ T32] r4:84e5aa80 [ 1351.058792][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.058816][ T32] INFO: task kworker/0:583:7331 blocked for more than 477 seconds. [ 1351.058842][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.058865][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.058885][ T32] task:kworker/0:583 state:D stack:0 pid:7331 tgid:7331 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.058927][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.059011][ T32] Call trace: [ 1351.059070][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.059120][ T32] r10:8291880c r9:edbd9d84 r8:00000002 r7:60000113 r6:edbd9d8c r5:85193c00 [ 1351.059144][ T32] r4:85193c00 [ 1351.059162][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.059201][ T32] r5:85193c00 r4:82918808 [ 1351.059220][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.059255][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.059295][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edbd9e08 [ 1351.059322][ T32] r4:00000000 [ 1351.059341][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.059375][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.059411][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.059452][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d9fb40 [ 1351.059509][ T32] r4:00000000 [ 1351.059532][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.059577][ T32] r9:83018005 r8:85193c00 r7:00000000 r6:83018000 r5:00001000 r4:7f7d3000 [ 1351.059599][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.059639][ T32] r5:00001000 r4:edbf1000 [ 1351.059657][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.059695][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.059769][ T32] r5:859d938c r4:859d9000 [ 1351.070316][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.070421][ T32] r7:dddced80 r6:83018000 r5:859d938c r4:84715180 [ 1351.070445][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.070493][ T32] r10:61c88647 r9:85193c00 r8:847151ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.070515][ T32] r4:84715180 [ 1351.070535][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.070580][ T32] r10:00000000 r9:84715180 r8:8027f5e8 r7:edbe5e60 r6:84715200 r5:85193c00 [ 1351.070601][ T32] r4:00000001 [ 1351.070671][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.070716][ T32] Exception stack(0xedbd9fb0 to 0xedbd9ff8) [ 1351.070747][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.070776][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.070802][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.070829][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.070850][ T32] r4:84d9fa00 [ 1351.071413][ T32] INFO: task kworker/0:583:7331 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.071457][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.071528][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.071576][ T32] Call trace: [ 1351.071608][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.071708][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.071737][ T32] r4:00000000 [ 1351.071758][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.071798][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.071828][ T32] dd20: afe8d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.071857][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.071882][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.071906][ T32] r5:80070013 r4:80239bb0 [ 1351.071961][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.072016][ T32] r4:82ac11a4 [ 1351.072036][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.072091][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.072113][ T32] r4:e884ddc0 [ 1351.072157][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 3 printk messages dropped ** [ 1351.072354][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 8 printk messages dropped ** [ 1351.072767][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1351.072977][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1351.073290][ T32] task:kworker/0:584 state:D stack:0 pid:7332 tgid:7332 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1351.073609][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.073652][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edbf5e08 [ 1351.073673][ T32] r4:00000000 [ 1351.073721][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.073801][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.073871][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.073919][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d9fd80 [ 1351.073983][ T32] r4:00000000 [ 1351.074007][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.074083][ T32] r9:83018005 r8:85194800 r7:00000000 r6:83018000 r5:00001000 r4:7f7d5000 [ 1351.074108][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.074149][ T32] r5:00001000 r4:edbfd000 [ 1351.074239][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.074294][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.074345][ T32] r5:859d978c r4:859d9400 [ 1351.074365][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1351.074478][ T32] r10:61c88647 r9:85194800 r8:847152ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 12 printk messages dropped ** [ 1351.075342][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1351.075880][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1351.076155][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 8 printk messages dropped ** [ 1351.076498][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1351.076812][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1351.077112][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1351.077481][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1351.077903][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.077942][ T32] r5:00001000 r4:edc09000 ** 1 printk messages dropped ** [ 1351.078034][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 9 printk messages dropped ** [ 1351.078531][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 7 printk messages dropped ** [ 1351.079044][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1351.079559][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1351.110858][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 10 printk messages dropped ** [ 1351.111356][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1351.111612][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1351.111667][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.111695][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.111716][ T32] r4:84e5aa80 [ 1351.111782][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.111817][ T32] INFO: task kworker/0:586:7338 blocked for more than 477 seconds. [ 1351.111852][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.111876][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.111922][ T32] task:kworker/0:586 state:D stack:0 pid:7338 tgid:7338 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.111986][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.112030][ T32] Call trace: [ 1351.112071][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.112124][ T32] r10:8291880c r9:edc0dd84 r8:00000002 r7:60000113 r6:edc0dd8c r5:85196000 [ 1351.112147][ T32] r4:85196000 [ 1351.112167][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.112205][ T32] r5:85196000 r4:82918808 [ 1351.112225][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.112266][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.112317][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edc0de08 [ 1351.112340][ T32] r4:00000000 [ 1351.112358][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.112392][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.112443][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.112516][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a58040 [ 1351.112584][ T32] r4:00000000 [ 1351.112609][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.112655][ T32] r9:83018005 r8:85196000 r7:00000000 r6:83018000 r5:00001000 r4:7f7db000 [ 1351.112677][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.112719][ T32] r5:00001000 r4:edc21000 [ 1351.112739][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.112776][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.112816][ T32] r5:859da38c r4:859da000 [ 1351.112835][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.112878][ T32] r7:dddced80 r6:83018000 r5:859da38c r4:84715480 [ 1351.112910][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.112958][ T32] r10:61c88647 r9:85196000 r8:847154ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.113022][ T32] r4:84715480 [ 1351.113045][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.113090][ T32] r10:00000000 r9:84715480 r8:8027f5e8 r7:edc01e60 r6:84715500 r5:85196000 [ 1351.113112][ T32] r4:00000001 [ 1351.113132][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.113167][ T32] Exception stack(0xedc0dfb0 to 0xedc0dff8) [ 1351.113194][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.113224][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.113299][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.113335][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.113358][ T32] r4:84d9fc80 [ 1351.113857][ T32] INFO: task kworker/0:586:7338 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.113917][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.114013][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.114098][ T32] Call trace: [ 1351.114131][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.114186][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.114270][ T32] r4:00000000 [ 1351.114307][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.114384][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.114418][ T32] dd20: b0660000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.114451][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.114479][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.114506][ T32] r5:80070013 r4:80239bb0 [ 1351.114529][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.114577][ T32] r4:82ac11a4 [ 1351.114605][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.114657][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.114681][ T32] r4:e884ddc0 [ 1351.114702][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.114746][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.114769][ T32] r4:00000000 [ 1351.114790][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.114836][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.114859][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.114905][ T32] r5:00001000 r4:e884f000 [ 1351.114928][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.114969][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.115013][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.115083][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.115195][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.115223][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.115270][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1351.115398][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1351.115625][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1351.116016][ T32] r10:8291880c r9:edb35d84 r8:00000002 r7:60000013 r6:edb35d8c r5:85196c00 ** 8 printk messages dropped ** [ 1351.116334][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 1 printk messages dropped ** [ 1351.116485][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d9ffc0 [ 1351.116511][ T32] r4:00000000 [ 1351.116559][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.116615][ T32] r9:83018005 r8:85196c00 r7:00000000 r6:83018000 r5:00001000 r4:7f7d9000 [ 1351.116641][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.116683][ T32] r5:00001000 r4:edc15000 [ 1351.116704][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.116742][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.116783][ T32] r5:859d9f8c r4:859d9c00 [ 1351.116807][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.116853][ T32] r7:dddced80 r6:83018000 r5:859d9f8c r4:84715580 [ 1351.116876][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.116922][ T32] r10:61c88647 r9:85196c00 r8:847155ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.116985][ T32] r4:84715580 [ 1351.117037][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.117092][ T32] r10:00000000 r9:84715580 r8:8027f5e8 r7:edc0de60 r6:84715600 r5:85196c00 [ 1351.117117][ T32] r4:00000001 [ 1351.117137][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.117219][ T32] Exception stack(0xedb35fb0 to 0xedb35ff8) [ 1351.117254][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1351.117286][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.117322][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.117379][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.117408][ T32] r4:85a58080 [ 1351.117744][ T32] INFO: task kworker/0:587:7339 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.117781][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.117845][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.117895][ T32] Call trace: [ 1351.117956][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.118013][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.118040][ T32] r4:00000000 [ 1351.118064][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.118106][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.118136][ T32] dd20: b0660000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.118167][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.118238][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.118270][ T32] r5:80070013 r4:80239bb0 [ 1351.118303][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.118368][ T32] r4:82ac11a4 [ 1351.118440][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.118499][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.118525][ T32] r4:e884ddc0 [ 1351.118557][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.118612][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.118639][ T32] r4:00000000 [ 1351.118668][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.118746][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.118813][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.118890][ T32] r5:00001000 r4:e884f000 ** 4 printk messages dropped ** [ 1351.119093][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 4 printk messages dropped ** [ 1351.119441][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 5 printk messages dropped ** [ 1351.119669][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1351.141981][ T32] task:kworker/0:588 state:D stack:0 pid:7342 tgid:7342 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 8 printk messages dropped ** [ 1351.142447][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1351.142786][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.142827][ T32] r5:00001000 r4:edc2d000 ** 1 printk messages dropped ** [ 1351.142900][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1351.143105][ T32] r4:84715680 ** 6 printk messages dropped ** [ 1351.143334][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1351.144001][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1351.144226][ T32] dd20: b0c46000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 9 printk messages dropped ** [ 1351.144518][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1351.144954][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1351.145242][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1351.145593][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1351.145846][ T32] r5:847a6c00 r4:82918808 ** 3 printk messages dropped ** [ 1351.145979][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1351.146262][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.146398][ T32] r5:00001000 r4:edc39000 [ 1351.146417][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1351.146603][ T32] r7:dddced80 r6:83018000 r5:859dab8c r4:84715780 ** 6 printk messages dropped ** [ 1351.146934][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1351.147112][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.147143][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.147185][ T32] r4:85a58200 [ 1351.147531][ T32] INFO: task kworker/0:589:7343 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.147564][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.147656][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.147713][ T32] Call trace: [ 1351.147768][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.147819][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.147843][ T32] r4:00000000 [ 1351.147861][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.147910][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.147941][ T32] dd20: b0c46000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.147996][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.148043][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.148071][ T32] r5:80070013 r4:80239bb0 [ 1351.148092][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.148137][ T32] r4:82ac11a4 [ 1351.148156][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.148201][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.148233][ T32] r4:e884ddc0 [ 1351.148255][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.148315][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.148341][ T32] r4:00000000 [ 1351.148370][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.148419][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.148442][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.148484][ T32] r5:00001000 r4:e884f000 [ 1351.148504][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.148541][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.148582][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.148601][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.148646][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.148665][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.148708][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.148730][ T32] r4:8454db00 [ 1351.148768][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.148819][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.148853][ T32] r4:00000001 [ 1351.148875][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.148912][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.148938][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.148965][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.148990][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.149035][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.149063][ T32] r4:84e5aa80 [ 1351.149083][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.149109][ T32] INFO: task kworker/0:590:7345 blocked for more than 477 seconds. [ 1351.149136][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.149159][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.149179][ T32] task:kworker/0:590 state:D stack:0 pid:7345 tgid:7345 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.149221][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.149260][ T32] Call trace: [ 1351.149288][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.149364][ T32] r10:8291880c r9:edc45d84 r8:00000002 r7:60000013 r6:edc45d8c r5:85188c00 [ 1351.149390][ T32] r4:85188c00 [ 1351.149410][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.149449][ T32] r5:85188c00 r4:82918808 [ 1351.149468][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.149503][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.149547][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edc45e08 [ 1351.149570][ T32] r4:00000000 [ 1351.149601][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.149647][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.169763][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.170250][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a58880 [ 1351.170300][ T32] r4:00000000 [ 1351.170327][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.170389][ T32] r9:83018005 r8:85188c00 r7:00000000 r6:83018000 r5:00001000 r4:7f7e3000 [ 1351.170412][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.170456][ T32] r5:00001000 r4:edc4d000 [ 1351.170483][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.170525][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.170567][ T32] r5:859daf8c r4:859dac00 [ 1351.170603][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.170655][ T32] r7:dddced80 r6:83018000 r5:859daf8c r4:84715880 [ 1351.170676][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.170748][ T32] r10:61c88647 r9:85188c00 r8:847158ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.170774][ T32] r4:84715880 [ 1351.170794][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.170838][ T32] r10:00000000 r9:84715880 r8:8027f5e8 r7:edc25e60 r6:84715900 r5:85188c00 [ 1351.170880][ T32] r4:00000001 [ 1351.170907][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.170945][ T32] Exception stack(0xedc45fb0 to 0xedc45ff8) [ 1351.170975][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1351.171003][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.171029][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.171072][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.171097][ T32] r4:85a583c0 [ 1351.171635][ T32] INFO: task kworker/0:590:7345 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.171676][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.171748][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.171820][ T32] Call trace: [ 1351.171876][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.171930][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.171954][ T32] r4:00000000 [ 1351.171978][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.172017][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.172074][ T32] dd20: b123a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.172116][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.172162][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.172188][ T32] r5:80070013 r4:80239bb0 [ 1351.172227][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.172277][ T32] r4:82ac11a4 [ 1351.172302][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.172354][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.172378][ T32] r4:e884ddc0 [ 1351.172398][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.172440][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.172461][ T32] r4:00000000 [ 1351.172480][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.172523][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.172544][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.172585][ T32] r5:00001000 r4:e884f000 [ 1351.172605][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.172661][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.172706][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.172726][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.172772][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.172811][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.172859][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.172883][ T32] r4:8454db00 [ 1351.172921][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.172967][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.172990][ T32] r4:00000001 [ 1351.173022][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.173061][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.173087][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1351.173141][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1351.173418][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1351.173670][ T32] r5:8518a400 r4:82918808 ** 3 printk messages dropped ** [ 1351.173816][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.173949][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a58e40 ** 4 printk messages dropped ** [ 1351.174118][ T32] r5:00001000 r4:edc71000 [ 1351.174137][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1351.174264][ T32] r5:859dbb8c r4:859db800 ** 3 printk messages dropped ** [ 1351.174412][ T32] r10:61c88647 r9:8518a400 r8:847159ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1351.174675][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 4 printk messages dropped ** [ 1351.175140][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.175254][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.175302][ T32] Call trace: [ 1351.175332][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.175379][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.175420][ T32] r4:00000000 [ 1351.175443][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.175480][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.175527][ T32] dd20: b123a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.175577][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.175604][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.175628][ T32] r5:80070013 r4:80239bb0 [ 1351.175648][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.175691][ T32] r4:82ac11a4 [ 1351.175729][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.175778][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.175831][ T32] r4:e884ddc0 [ 1351.175864][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.175922][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.175946][ T32] r4:00000000 [ 1351.175966][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.176010][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.176066][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.176110][ T32] r5:00001000 r4:e884f000 [ 1351.176131][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.176169][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.176209][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.176227][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.176271][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.176291][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.176341][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.176363][ T32] r4:8454db00 [ 1351.176381][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.176422][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.176443][ T32] r4:00000001 [ 1351.176462][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.176496][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.176521][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.176548][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.176573][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.176600][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.176621][ T32] r4:84e5aa80 [ 1351.176659][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.176688][ T32] INFO: task kworker/0:592:7350 blocked for more than 477 seconds. [ 1351.176716][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.176748][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.176772][ T32] task:kworker/0:592 state:D stack:0 pid:7350 tgid:7350 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.176834][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.176878][ T32] Call trace: [ 1351.176907][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.176953][ T32] r10:8291880c r9:edc69d84 r8:00000002 r7:60000013 r6:edc69d8c r5:8518b000 [ 1351.176976][ T32] r4:8518b000 [ 1351.176995][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.177034][ T32] r5:8518b000 r4:82918808 [ 1351.177066][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.177105][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.177149][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edc69e08 [ 1351.177171][ T32] r4:00000000 [ 1351.177190][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.177224][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.177259][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.177308][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a58ac0 [ 1351.177331][ T32] r4:00000000 [ 1351.177361][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.177407][ T32] r9:83018005 r8:8518b000 r7:00000000 r6:83018000 r5:00001000 r4:7f7e5000 [ 1351.177429][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.177470][ T32] r5:00001000 r4:edc59000 [ 1351.177490][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.177527][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.177608][ T32] r5:859db38c r4:859db000 [ 1351.177632][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 3 printk messages dropped ** [ 1351.177760][ T32] r4:84715a80 ** 6 printk messages dropped ** [ 1351.177955][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1351.178634][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1351.178965][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1351.179136][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 9 printk messages dropped ** [ 1351.179557][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 4 printk messages dropped ** [ 1351.213005][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 6 printk messages dropped ** [ 1351.213412][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1351.213875][ T32] r10:8291880c r9:edc75d84 r8:00000002 r7:60000013 r6:edc75d8c r5:85189800 ** 6 printk messages dropped ** [ 1351.214181][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1351.214377][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.214502][ T32] r5:00001000 r4:edc65000 [ 1351.214522][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1351.214603][ T32] r5:859db78c r4:859db400 ** 3 printk messages dropped ** [ 1351.214761][ T32] r10:61c88647 r9:85189800 r8:84715bac r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1351.215089][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1351.215823][ T32] Call trace: ** 5 printk messages dropped ** [ 1351.216023][ T32] dd20: b1d2f000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 7 printk messages dropped ** [ 1351.216328][ T32] r4:e884ddc0 ** 5 printk messages dropped ** [ 1351.216511][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1351.216810][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.216832][ T32] r4:8454db00 [ 1351.216850][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.216891][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.216912][ T32] r4:00000001 [ 1351.216931][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.216965][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.216990][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.217018][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.217044][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.217071][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.217093][ T32] r4:84e5aa80 [ 1351.217113][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.217192][ T32] INFO: task kworker/0:594:7354 blocked for more than 477 seconds. [ 1351.217225][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.217248][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.217284][ T32] task:kworker/0:594 state:D stack:0 pid:7354 tgid:7354 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.217357][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.217402][ T32] Call trace: [ 1351.217431][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.217477][ T32] r10:8291880c r9:edc81d84 r8:00000002 r7:60000013 r6:edc81d8c r5:8518c800 [ 1351.217498][ T32] r4:8518c800 [ 1351.217537][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.217579][ T32] r5:8518c800 r4:82918808 [ 1351.217599][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.217636][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.217678][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edc81e08 [ 1351.217699][ T32] r4:00000000 [ 1351.217717][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.217750][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.217786][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.217829][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a58440 [ 1351.217850][ T32] r4:00000000 [ 1351.217869][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.217931][ T32] r9:83018005 r8:8518c800 r7:00000000 r6:83018000 r5:00001000 r4:7f7eb000 [ 1351.217955][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.217996][ T32] r5:00001000 r4:edc7d000 [ 1351.218028][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.218080][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.218124][ T32] r5:859dbf8c r4:859dbc00 [ 1351.218206][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.218260][ T32] r7:dddced80 r6:83018000 r5:859dbf8c r4:84715c80 [ 1351.218281][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.218340][ T32] r10:61c88647 r9:8518c800 r8:84715cac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.218362][ T32] r4:84715c80 [ 1351.218407][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.218474][ T32] r10:00000000 r9:84715c80 r8:8027f5e8 r7:edc5de60 r6:84715d00 r5:8518c800 [ 1351.218501][ T32] r4:00000001 [ 1351.218520][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.218556][ T32] Exception stack(0xedc81fb0 to 0xedc81ff8) [ 1351.218581][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.218617][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.218646][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.218692][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.218719][ T32] r4:85a58cc0 [ 1351.219072][ T32] INFO: task kworker/0:594:7354 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.219106][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.219196][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.219269][ T32] Call trace: [ 1351.219306][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.219354][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.219377][ T32] r4:00000000 [ 1351.219395][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.219431][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.219458][ T32] dd20: b1d2f000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.219485][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 1 printk messages dropped ** [ 1351.219532][ T32] r5:80070013 r4:80239bb0 ** 4 printk messages dropped ** [ 1351.232800][ T32] r4:e884ddc0 ** 6 printk messages dropped ** [ 1351.233118][ T32] r5:00001000 r4:e884f000 ** 6 printk messages dropped ** [ 1351.233424][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 7 printk messages dropped ** [ 1351.233732][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1351.233939][ T32] task:kworker/0:595 state:D stack:0 pid:7356 tgid:7356 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1351.234545][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edc51e08 ** 8 printk messages dropped ** [ 1351.234905][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.234945][ T32] r5:00001000 r4:edcb1000 ** 1 printk messages dropped ** [ 1351.235002][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1351.235200][ T32] r4:84715d80 ** 6 printk messages dropped ** [ 1351.235428][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1351.236174][ T32] Call trace: ** 4 printk messages dropped ** [ 1351.236404][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 5 printk messages dropped ** [ 1351.236569][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1351.236769][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1351.237009][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1351.237354][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1351.237518][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 5 printk messages dropped ** [ 1351.237663][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 5 printk messages dropped ** [ 1351.237927][ T32] r4:8518d400 ** 4 printk messages dropped ** [ 1351.238093][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edc31e08 ** 9 printk messages dropped ** [ 1351.238479][ T32] r5:00001000 r4:edc89000 [ 1351.238497][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.238534][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1351.238681][ T32] r7:dddced80 r6:83018000 r5:85c0c38c r4:84715e80 [ 1351.238732][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.238780][ T32] r10:61c88647 r9:8518d400 r8:84715eac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.238803][ T32] r4:84715e80 [ 1351.238823][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.238865][ T32] r10:00000000 r9:84715e80 r8:8027f5e8 r7:edc51e60 r6:84715f00 r5:8518d400 [ 1351.238923][ T32] r4:00000001 [ 1351.238963][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.239028][ T32] Exception stack(0xedc31fb0 to 0xedc31ff8) [ 1351.239081][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.239111][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.239137][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.239164][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.239185][ T32] r4:8593b240 [ 1351.239528][ T32] INFO: task kworker/0:596:7359 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.239579][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.239644][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.258621][ T32] Call trace: [ 1351.258776][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.258860][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.258886][ T32] r4:00000000 [ 1351.258972][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.259105][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.259143][ T32] dd20: b2550000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.259173][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.259197][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.259246][ T32] r5:80070013 r4:80239bb0 [ 1351.259270][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.259323][ T32] r4:82ac11a4 [ 1351.259343][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.259400][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.259426][ T32] r4:e884ddc0 [ 1351.259447][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.259492][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.259539][ T32] r4:00000000 [ 1351.259562][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.259609][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.259641][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.259780][ T32] r5:00001000 r4:e884f000 [ 1351.264530][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.264605][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.264650][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.264671][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.264718][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.264738][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.264782][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.264804][ T32] r4:8454db00 [ 1351.264823][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.264866][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.264888][ T32] r4:00000001 [ 1351.264906][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.264943][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.264971][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.264998][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.265024][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.265051][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.265072][ T32] r4:84e5aa80 [ 1351.265095][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.265134][ T32] INFO: task kworker/0:597:7361 blocked for more than 477 seconds. [ 1351.265169][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.265193][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.265214][ T32] task:kworker/0:597 state:D stack:0 pid:7361 tgid:7361 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.265323][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.265367][ T32] Call trace: [ 1351.265456][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.265537][ T32] r10:8291880c r9:edc9dd84 r8:00000002 r7:60000013 r6:edc9dd8c r5:8518e000 [ 1351.265562][ T32] r4:8518e000 [ 1351.265587][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.265629][ T32] r5:8518e000 r4:82918808 [ 1351.265649][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.265686][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.265752][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edc9de08 [ 1351.265777][ T32] r4:00000000 [ 1351.265806][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.265846][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.265886][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.265928][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8593b300 [ 1351.265950][ T32] r4:00000000 [ 1351.265969][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.266014][ T32] r9:83018005 r8:8518e000 r7:00000000 r6:83018000 r5:00001000 r4:7f7ef000 [ 1351.266035][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.266076][ T32] r5:00001000 r4:edc91000 [ 1351.266120][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.266163][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.266245][ T32] r5:85c0c78c r4:85c0c400 [ 1351.266269][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.266366][ T32] r7:dddced80 r6:83018000 r5:85c0c78c r4:84715f80 [ 1351.266400][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1351.266567][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1351.266755][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1351.267486][ T32] Call trace: ** 4 printk messages dropped ** [ 1351.267641][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 5 printk messages dropped ** [ 1351.267862][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1351.268042][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 10 printk messages dropped ** [ 1351.268418][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 4 printk messages dropped ** [ 1351.268566][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1351.268698][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1351.268932][ T32] task:kworker/0:598 state:D stack:0 pid:7363 tgid:7363 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1351.269324][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edca9e08 ** 7 printk messages dropped ** [ 1351.269595][ T32] r9:83018005 r8:8518ec00 r7:00000000 r6:83018000 r5:00001000 r4:7f7f1000 ** 1 printk messages dropped ** [ 1351.269716][ T32] r5:00001000 r4:edc99000 ** 4 printk messages dropped ** [ 1351.283588][ T32] r7:dddced80 r6:83018000 r5:85c0cb8c r4:85929080 ** 1 printk messages dropped ** [ 1351.283763][ T32] r10:61c88647 r9:8518ec00 r8:859290ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.283834][ T32] r4:85929080 [ 1351.283881][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.283981][ T32] r10:00000000 r9:85929080 r8:8027f5e8 r7:edc51e60 r6:85929100 r5:8518ec00 [ 1351.284034][ T32] r4:00000001 [ 1351.284087][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.284171][ T32] Exception stack(0xedca9fb0 to 0xedca9ff8) [ 1351.284204][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.284233][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.284273][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.284318][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.284359][ T32] r4:8593b340 [ 1351.284860][ T32] INFO: task kworker/0:598:7363 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.284895][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.284986][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.285039][ T32] Call trace: [ 1351.285078][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.285129][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.285156][ T32] r4:00000000 [ 1351.285177][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.285215][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.285265][ T32] dd20: b291d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.285305][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.285342][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.285371][ T32] r5:80070013 r4:80239bb0 [ 1351.285393][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.285442][ T32] r4:82ac11a4 [ 1351.285462][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.285508][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.285555][ T32] r4:e884ddc0 [ 1351.285580][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.285625][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.285667][ T32] r4:00000000 [ 1351.285713][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.285785][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.285816][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.285860][ T32] r5:00001000 r4:e884f000 [ 1351.285879][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.285917][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.285957][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.285977][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.286022][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.286042][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.286105][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.286131][ T32] r4:8454db00 [ 1351.286150][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.286236][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.286277][ T32] r4:00000001 [ 1351.286303][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.286342][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.286392][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.286429][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.286456][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.286484][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.286505][ T32] r4:84e5aa80 [ 1351.286545][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.286612][ T32] INFO: task kworker/0:599:7364 blocked for more than 477 seconds. [ 1351.286651][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.286676][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.286697][ T32] task:kworker/0:599 state:D stack:0 pid:7364 tgid:7364 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.286740][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.286780][ T32] Call trace: [ 1351.286809][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.286875][ T32] r10:8291880c r9:edcb5d84 r8:00000002 r7:60000013 r6:edcb5d8c r5:85188000 [ 1351.286902][ T32] r4:85188000 [ 1351.286961][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.287005][ T32] r5:85188000 r4:82918808 [ 1351.287055][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.287097][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.287139][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edcb5e08 [ 1351.287161][ T32] r4:00000000 [ 1351.287180][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.287213][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.287248][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.287289][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8593b600 [ 1351.287320][ T32] r4:00000000 [ 1351.287339][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.287382][ T32] r9:83018005 r8:85188000 r7:00000000 r6:83018000 r5:00001000 r4:7f7f3000 [ 1351.287402][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.287441][ T32] r5:00001000 r4:edca5000 [ 1351.287459][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.287496][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.287535][ T32] r5:85c0cf8c r4:85c0cc00 [ 1351.287579][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.287625][ T32] r7:dddced80 r6:83018000 r5:85c0cf8c r4:85929180 [ 1351.287647][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.287691][ T32] r10:61c88647 r9:85188000 r8:859291ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.287712][ T32] r4:85929180 [ 1351.287730][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.287771][ T32] r10:00000000 r9:85929180 r8:8027f5e8 r7:edc51e60 r6:85929200 r5:85188000 [ 1351.287792][ T32] r4:00000001 [ 1351.287851][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.287891][ T32] Exception stack(0xedcb5fb0 to 0xedcb5ff8) ** 1 printk messages dropped ** [ 1351.287948][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.288001][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.288059][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.288086][ T32] r4:8593b480 [ 1351.288452][ T32] INFO: task kworker/0:599:7364 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.288486][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.288542][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.288655][ T32] Call trace: [ 1351.288730][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.288781][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.288805][ T32] r4:00000000 [ 1351.288824][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.288859][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.288885][ T32] dd20: b291d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.288912][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.288961][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.288989][ T32] r5:80070013 r4:80239bb0 [ 1351.289009][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.289099][ T32] r4:82ac11a4 [ 1351.289148][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.289299][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.289360][ T32] r4:e884ddc0 [ 1351.289404][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.289494][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.289544][ T32] r4:00000000 [ 1351.289587][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.289680][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.289814][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.305272][ T32] r5:00001000 r4:e884f000 [ 1351.305323][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.305387][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.305432][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.305452][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.305498][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.305518][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.305562][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.305601][ T32] r4:8454db00 [ 1351.305629][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.305676][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.305700][ T32] r4:00000001 [ 1351.305719][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.305756][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.305785][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.305813][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.305843][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.305913][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.305939][ T32] r4:84e5aa80 [ 1351.305963][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.305992][ T32] INFO: task kworker/0:600:7367 blocked for more than 477 seconds. [ 1351.306054][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.306083][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.306104][ T32] task:kworker/0:600 state:D stack:0 pid:7367 tgid:7367 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.306161][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.306259][ T32] Call trace: [ 1351.306292][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.306355][ T32] r10:8291880c r9:edcc1d84 r8:00000002 r7:60000113 r6:edcc1d8c r5:85192400 [ 1351.306380][ T32] r4:85192400 [ 1351.306400][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.306480][ T32] r5:85192400 r4:82918808 [ 1351.306504][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.306554][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.306600][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edcc1e08 [ 1351.306623][ T32] r4:00000000 [ 1351.306641][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.306675][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.306715][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.306756][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8593b940 [ 1351.306778][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1351.306841][ T32] r9:83018005 r8:85192400 r7:00000000 r6:83018000 r5:00001000 r4:7f7f7000 ** 1 printk messages dropped ** [ 1351.306901][ T32] r5:00001000 r4:edcbd000 [ 1351.306920][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.306957][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.306997][ T32] r5:85c0d78c r4:85c0d400 [ 1351.307060][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.307109][ T32] r7:dddced80 r6:83018000 r5:85c0d78c r4:85929280 ** 1 printk messages dropped ** [ 1351.307222][ T32] r10:61c88647 r9:85192400 r8:859292ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 3 printk messages dropped ** [ 1351.307367][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1351.307451][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 3 printk messages dropped ** [ 1351.307589][ T32] r4:8593b640 ** 1 printk messages dropped ** [ 1351.308136][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1351.308402][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.308513][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 3 printk messages dropped ** [ 1351.308674][ T32] r4:82ac11a4 [ 1351.308693][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.308740][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.308761][ T32] r4:e884ddc0 [ 1351.308780][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.308822][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.308843][ T32] r4:00000000 [ 1351.308862][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.308904][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.308925][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.308965][ T32] r5:00001000 r4:e884f000 [ 1351.308985][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.309032][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.309079][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.309100][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.309204][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.309229][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.309275][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.309302][ T32] r4:8454db00 [ 1351.309322][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.309382][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.309407][ T32] r4:00000001 [ 1351.309430][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.309506][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.309553][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.309617][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.309647][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.309675][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.309698][ T32] r4:84e5aa80 [ 1351.309776][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.327466][ T32] INFO: task kworker/0:601:7368 blocked for more than 477 seconds. [ 1351.327547][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.327599][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.327624][ T32] task:kworker/0:601 state:D stack:0 pid:7368 tgid:7368 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.327695][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.327757][ T32] Call trace: [ 1351.327815][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.327875][ T32] r10:8291880c r9:edcd5d84 r8:00000002 r7:60000113 r6:edcd5d8c r5:859a0000 [ 1351.327898][ T32] r4:859a0000 [ 1351.327918][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.328038][ T32] r5:859a0000 r4:82918808 [ 1351.328069][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.328110][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.328152][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edcd5e08 [ 1351.328174][ T32] r4:00000000 [ 1351.328192][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.328226][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.328266][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.328350][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8593bbc0 [ 1351.328376][ T32] r4:00000000 [ 1351.328397][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.328468][ T32] r9:83018005 r8:859a0000 r7:00000000 r6:83018000 r5:00001000 r4:7f7f9000 [ 1351.328494][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.328537][ T32] r5:00001000 r4:edcc9000 [ 1351.328557][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.328595][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.328636][ T32] r5:85c0db8c r4:85c0d800 [ 1351.328655][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.328712][ T32] r7:dddced80 r6:83018000 r5:85c0db8c r4:85929380 [ 1351.328736][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.328782][ T32] r10:61c88647 r9:859a0000 r8:859293ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.328836][ T32] r4:85929380 [ 1351.328874][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.328960][ T32] r10:00000000 r9:85929380 r8:8027f5e8 r7:edcc1e60 r6:85929400 r5:859a0000 [ 1351.329059][ T32] r4:00000001 [ 1351.329094][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.329134][ T32] Exception stack(0xedcd5fb0 to 0xedcd5ff8) [ 1351.329187][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1351.329220][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.329248][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.329277][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.329307][ T32] r4:8593b740 [ 1351.345322][ T32] INFO: task kworker/0:601:7368 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.345497][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.345618][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.345681][ T32] Call trace: [ 1351.345714][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.345813][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.345845][ T32] r4:00000000 [ 1351.345867][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.345907][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.345960][ T32] dd20: b33da000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.345993][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.346018][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.346046][ T32] r5:80070013 r4:80239bb0 [ 1351.346068][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.346116][ T32] r4:82ac11a4 [ 1351.346136][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.346183][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.346258][ T32] r4:e884ddc0 [ 1351.346282][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.346333][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.346355][ T32] r4:00000000 [ 1351.346373][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.346418][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.346439][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.346480][ T32] r5:00001000 r4:e884f000 [ 1351.346499][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.346537][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.346605][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.346655][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.346706][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.346726][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.346770][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.346817][ T32] r4:8454db00 [ 1351.346844][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.346889][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.346911][ T32] r4:00000001 [ 1351.346946][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.346988][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.347015][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.347042][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.347071][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.347102][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.347125][ T32] r4:84e5aa80 [ 1351.347148][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.347177][ T32] INFO: task kworker/0:602:7371 blocked for more than 477 seconds. [ 1351.347210][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.347233][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.347254][ T32] task:kworker/0:602 state:D stack:0 pid:7371 tgid:7371 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 1 printk messages dropped ** [ 1351.347356][ T32] Call trace: ** 2 printk messages dropped ** [ 1351.347518][ T32] r4:859a0c00 ** 1 printk messages dropped ** [ 1351.347576][ T32] r5:859a0c00 r4:82918808 ** 2 printk messages dropped ** [ 1351.347679][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edccde08 ** 3 printk messages dropped ** [ 1351.347852][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1351.348132][ T32] r5:00001000 r4:edd15000 [ 1351.348152][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.348189][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.348229][ T32] r5:85c0f38c r4:85c0f000 [ 1351.348248][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.348306][ T32] r7:dddced80 r6:83018000 r5:85c0f38c r4:85929480 [ 1351.348356][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.348405][ T32] r10:61c88647 r9:859a0c00 r8:859294ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.348427][ T32] r4:85929480 [ 1351.348445][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.348486][ T32] r10:00000000 r9:85929480 r8:8027f5e8 r7:edcd5e60 r6:85929500 r5:859a0c00 [ 1351.348507][ T32] r4:00000001 [ 1351.348526][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.348561][ T32] Exception stack(0xedccdfb0 to 0xedccdff8) [ 1351.348586][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.348613][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.348637][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.348665][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.348686][ T32] r4:8593b8c0 [ 1351.349152][ T32] INFO: task kworker/0:602:7371 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.349182][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.349236][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.349299][ T32] Call trace: [ 1351.349334][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.349382][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.349405][ T32] r4:00000000 [ 1351.349435][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.349475][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.349503][ T32] dd20: b33da000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.349534][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.349570][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.349598][ T32] r5:80070013 r4:80239bb0 [ 1351.349675][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.349725][ T32] r4:82ac11a4 [ 1351.349808][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.352076][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.352120][ T32] r4:e884ddc0 [ 1351.352145][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.352205][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.352227][ T32] r4:00000000 [ 1351.352247][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.352291][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.352321][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.352390][ T32] r5:00001000 r4:e884f000 [ 1351.352414][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.352453][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.352495][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.352523][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.352574][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.352594][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.352638][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.352660][ T32] r4:8454db00 [ 1351.352702][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.352755][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.352777][ T32] r4:00000001 [ 1351.352819][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.352879][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.352912][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.352939][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.352965][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.353012][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.353037][ T32] r4:84e5aa80 [ 1351.353082][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.353114][ T32] INFO: task kworker/0:603:7372 blocked for more than 477 seconds. [ 1351.353168][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.353238][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.353263][ T32] task:kworker/0:603 state:D stack:0 pid:7372 tgid:7372 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.353330][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.353382][ T32] Call trace: [ 1351.353438][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.353499][ T32] r10:8291880c r9:edce9d84 r8:00000002 r7:60000013 r6:edce9d8c r5:859a1800 [ 1351.353522][ T32] r4:859a1800 [ 1351.353563][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.353627][ T32] r5:859a1800 r4:82918808 [ 1351.353663][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.353705][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.353747][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edce9e08 [ 1351.353811][ T32] r4:00000000 [ 1351.353833][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.353868][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.353905][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.353946][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8593bcc0 [ 1351.353968][ T32] r4:00000000 [ 1351.353987][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.354028][ T32] r9:83018005 r8:859a1800 r7:00000000 r6:83018000 r5:00001000 r4:7f7fb000 [ 1351.354049][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.354088][ T32] r5:00001000 r4:edcd9000 [ 1351.354107][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.354144][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.354234][ T32] r5:85c0df8c r4:85c0dc00 [ 1351.354267][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.354320][ T32] r7:dddced80 r6:83018000 r5:85c0df8c r4:85929580 [ 1351.354341][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.354409][ T32] r10:61c88647 r9:859a1800 r8:859295ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.354435][ T32] r4:85929580 [ 1351.354514][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.354560][ T32] r10:00000000 r9:85929580 r8:8027f5e8 r7:edccde60 r6:85929600 r5:859a1800 [ 1351.354585][ T32] r4:00000001 [ 1351.354609][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.354645][ T32] Exception stack(0xedce9fb0 to 0xedce9ff8) [ 1351.354671][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.354719][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.354748][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.354776][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.354819][ T32] r4:8593b9c0 [ 1351.355291][ T32] INFO: task kworker/0:603:7372 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.355332][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.355445][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.355511][ T32] Call trace: [ 1351.355545][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.355594][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.355616][ T32] r4:00000000 [ 1351.355672][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.355714][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.355761][ T32] dd20: b33da000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.355813][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.355866][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.355893][ T32] r5:80070013 r4:80239bb0 [ 1351.355913][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.355958][ T32] r4:82ac11a4 [ 1351.355977][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.356022][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.356071][ T32] r4:e884ddc0 [ 1351.356121][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.356167][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.356190][ T32] r4:00000000 [ 1351.356209][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.356253][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.356275][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.356347][ T32] r5:00001000 r4:e884f000 [ 1351.356371][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.356411][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.356452][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.356496][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.356545][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.356589][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.356637][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.356658][ T32] r4:8454db00 [ 1351.356677][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.356718][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.356761][ T32] r4:00000001 [ 1351.356783][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.356855][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.356884][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.356913][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.356939][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.356967][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.356988][ T32] r4:84e5aa80 [ 1351.357027][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.357081][ T32] INFO: task kworker/0:604:7375 blocked for more than 477 seconds. [ 1351.357113][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.357159][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.357205][ T32] task:kworker/0:604 state:D stack:0 pid:7375 tgid:7375 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.357253][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.357310][ T32] Call trace: [ 1351.357375][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.357423][ T32] r10:8291880c r9:edcf5d84 r8:00000002 r7:60000113 r6:edcf5d8c r5:859a2400 [ 1351.357447][ T32] r4:859a2400 [ 1351.357465][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.357504][ T32] r5:859a2400 r4:82918808 [ 1351.357545][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.357584][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.357656][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edcf5e08 [ 1351.357683][ T32] r4:00000000 [ 1351.357710][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.357745][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.357802][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.357869][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8593be40 [ 1351.357943][ T32] r4:00000000 [ 1351.357966][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.358009][ T32] r9:83018005 r8:859a2400 r7:00000000 r6:83018000 r5:00001000 r4:7f7fd000 [ 1351.358030][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.358068][ T32] r5:00001000 r4:edce5000 [ 1351.358109][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.358153][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.358242][ T32] r5:85c0e38c r4:85c0e000 [ 1351.358271][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.358325][ T32] r7:dddced80 r6:83018000 r5:85c0e38c r4:85929680 [ 1351.358346][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.358390][ T32] r10:61c88647 r9:859a2400 r8:859296ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.358413][ T32] r4:85929680 [ 1351.358431][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.358473][ T32] r10:00000000 r9:85929680 r8:8027f5e8 r7:edccde60 r6:85929700 r5:859a2400 [ 1351.358494][ T32] r4:00000001 [ 1351.358574][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.358613][ T32] Exception stack(0xedcf5fb0 to 0xedcf5ff8) [ 1351.358639][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1351.358669][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.358696][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.358725][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.358746][ T32] r4:8593bc40 [ 1351.359065][ T32] INFO: task kworker/0:604:7375 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.359095][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.359148][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.359210][ T32] Call trace: [ 1351.359240][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.359286][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.359314][ T32] r4:00000000 [ 1351.359333][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.359368][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.359394][ T32] dd20: b33da000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.359492][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.359521][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.359547][ T32] r5:80070013 r4:80239bb0 [ 1351.359567][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.359610][ T32] r4:82ac11a4 [ 1351.359670][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.359720][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.359793][ T32] r4:e884ddc0 [ 1351.382690][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.382801][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.382832][ T32] r4:00000000 [ 1351.382853][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.382927][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.382959][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.383005][ T32] r5:00001000 r4:e884f000 [ 1351.383042][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.383090][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.383153][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.383196][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.383253][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.383306][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.383357][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.383379][ T32] r4:8454db00 [ 1351.383408][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.383459][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.383483][ T32] r4:00000001 [ 1351.383502][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.383539][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.383569][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.383597][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.383623][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.383681][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.383725][ T32] r4:84e5aa80 [ 1351.383753][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.383817][ T32] INFO: task kworker/0:605:7376 blocked for more than 477 seconds. [ 1351.383861][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.383885][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.383907][ T32] task:kworker/0:605 state:D stack:0 pid:7376 tgid:7376 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.383965][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.384034][ T32] Call trace: [ 1351.384100][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.384161][ T32] r10:8291880c r9:edd01d84 r8:00000002 r7:60000013 r6:edd01d8c r5:859a3000 [ 1351.384183][ T32] r4:859a3000 [ 1351.384209][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.384249][ T32] r5:859a3000 r4:82918808 [ 1351.384269][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.384312][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.384354][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edd01e08 [ 1351.384377][ T32] r4:00000000 [ 1351.384398][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.384449][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.384513][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.384566][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8593bfc0 [ 1351.384588][ T32] r4:00000000 [ 1351.384608][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.384650][ T32] r9:83018005 r8:859a3000 r7:00000000 r6:83018000 r5:00001000 r4:7f7ff000 [ 1351.384691][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.384743][ T32] r5:00001000 r4:edcf1000 [ 1351.384786][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.384828][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.384870][ T32] r5:85c0e78c r4:85c0e400 [ 1351.384918][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.384975][ T32] r7:dddced80 r6:83018000 r5:85c0e78c r4:85929780 [ 1351.385026][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.385094][ T32] r10:61c88647 r9:859a3000 r8:859297ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.385119][ T32] r4:85929780 [ 1351.385138][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.385181][ T32] r10:00000000 r9:85929780 r8:8027f5e8 r7:edccde60 r6:85929800 r5:859a3000 [ 1351.385203][ T32] r4:00000001 [ 1351.385221][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.385255][ T32] Exception stack(0xedd01fb0 to 0xedd01ff8) [ 1351.385291][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.385328][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.385374][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.385406][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.385449][ T32] r4:85a58640 [ 1351.385940][ T32] INFO: task kworker/0:605:7376 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.385973][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.386065][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.386133][ T32] Call trace: [ 1351.386204][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.386327][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.386380][ T32] r4:00000000 [ 1351.386407][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.386458][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.386489][ T32] dd20: b3a5b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.386518][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.386564][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.386595][ T32] r5:80070013 r4:80239bb0 [ 1351.386624][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.386692][ T32] r4:82ac11a4 [ 1351.386716][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.386764][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.386807][ T32] r4:e884ddc0 [ 1351.386831][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.386881][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.386905][ T32] r4:00000000 [ 1351.386942][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.387013][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.387043][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.387085][ T32] r5:00001000 r4:e884f000 [ 1351.387104][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.387174][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.387244][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.387272][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.387324][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.387345][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.387398][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.387444][ T32] r4:8454db00 [ 1351.387467][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.387512][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.387534][ T32] r4:00000001 [ 1351.387552][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.387598][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.387627][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.387654][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.387712][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.387767][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.387794][ T32] r4:84e5aa80 [ 1351.387839][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.387865][ T32] INFO: task kworker/0:606:7378 blocked for more than 477 seconds. [ 1351.387893][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.387947][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.388003][ T32] task:kworker/0:606 state:D stack:0 pid:7378 tgid:7378 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.388078][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.388130][ T32] Call trace: [ 1351.388176][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.388268][ T32] r10:8291880c r9:edcddd84 r8:00000002 r7:60000113 r6:edcddd8c r5:859a3c00 [ 1351.388330][ T32] r4:859a3c00 [ 1351.388358][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.388401][ T32] r5:859a3c00 r4:82918808 [ 1351.388420][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.388455][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.388495][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edcdde08 [ 1351.388516][ T32] r4:00000000 [ 1351.388557][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.388596][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.388632][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.388674][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a58f40 [ 1351.388696][ T32] r4:00000000 [ 1351.388715][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.388756][ T32] r9:83018005 r8:859a3c00 r7:00000000 r6:83018000 r5:00001000 r4:7f801000 [ 1351.388799][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.388843][ T32] r5:00001000 r4:edcfd000 [ 1351.388862][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.388919][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.388988][ T32] r5:85c0eb8c r4:85c0e800 [ 1351.389016][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.389059][ T32] r7:dddced80 r6:83018000 r5:85c0eb8c r4:85929880 [ 1351.389110][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.389163][ T32] r10:61c88647 r9:859a3c00 r8:859298ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.389186][ T32] r4:85929880 [ 1351.389204][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.389257][ T32] r10:00000000 r9:85929880 r8:8027f5e8 r7:edccde60 r6:85929900 r5:859a3c00 [ 1351.389282][ T32] r4:00000001 [ 1351.389318][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.389357][ T32] Exception stack(0xedcddfb0 to 0xedcddff8) [ 1351.389424][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.389456][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.389482][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.389510][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.389551][ T32] r4:85a58640 [ 1351.412330][ T32] INFO: task kworker/0:606:7378 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.412507][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.412719][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.412914][ T32] Call trace: [ 1351.412997][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.413108][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.413171][ T32] r4:00000000 [ 1351.413222][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.413335][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.413413][ T32] dd20: b3ee0000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.413483][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.413554][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.413693][ T32] r5:80070013 r4:80239bb0 [ 1351.413755][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.413861][ T32] r4:82ac11a4 [ 1351.413923][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.414026][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.414083][ T32] r4:e884ddc0 [ 1351.414132][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.414249][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.414324][ T32] r4:00000000 [ 1351.414374][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.414476][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 1 printk messages dropped ** [ 1351.414622][ T32] r5:00001000 r4:e884f000 ** 5 printk messages dropped ** [ 1351.415132][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1351.415862][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1351.416462][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1351.417314][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1351.418117][ T32] r9:83018005 r8:859a4800 r7:00000000 r6:83018000 r5:00001000 r4:7f803000 ** 1 printk messages dropped ** [ 1351.418310][ T32] r5:00001000 r4:edd09000 ** 4 printk messages dropped ** [ 1351.418739][ T32] r7:dddced80 r6:83018000 r5:85c0ef8c r4:85929980 ** 4 printk messages dropped ** [ 1351.419133][ T32] r10:00000000 r9:85929980 r8:8027f5e8 r7:edccde60 r6:85929a00 r5:859a4800 ** 4 printk messages dropped ** [ 1351.419628][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.419706][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.444148][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.444235][ T32] r4:85869080 [ 1351.444767][ T32] INFO: task kworker/0:607:7380 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.444807][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.444919][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.444997][ T32] Call trace: [ 1351.445031][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.445109][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.445137][ T32] r4:00000000 [ 1351.445158][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.445221][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.445254][ T32] dd20: b4478000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.445321][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.445354][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.445419][ T32] r5:80070013 r4:80239bb0 [ 1351.445444][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.445516][ T32] r4:82ac11a4 [ 1351.445540][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.445589][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.445611][ T32] r4:e884ddc0 [ 1351.445631][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.445674][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.445714][ T32] r4:00000000 [ 1351.445736][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.445807][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.445852][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.445927][ T32] r5:00001000 r4:e884f000 [ 1351.445955][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.445995][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.446035][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.446073][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.446124][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.446145][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.446220][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.446259][ T32] r4:8454db00 [ 1351.446281][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.446356][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.446382][ T32] r4:00000001 [ 1351.446423][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.446484][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.446519][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.446569][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.446601][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.446637][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.446684][ T32] r4:84e5aa80 [ 1351.446708][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.446737][ T32] INFO: task kworker/0:608:7382 blocked for more than 477 seconds. [ 1351.446771][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.446797][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.446818][ T32] task:kworker/0:608 state:D stack:0 pid:7382 tgid:7382 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.446888][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.446928][ T32] Call trace: [ 1351.446958][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.447031][ T32] r10:8291880c r9:edd19d84 r8:00000002 r7:60000113 r6:edd19d8c r5:859a5400 [ 1351.447061][ T32] r4:859a5400 [ 1351.447081][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.447179][ T32] r5:859a5400 r4:82918808 [ 1351.447201][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.447262][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.447315][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edd19e08 [ 1351.447337][ T32] r4:00000000 [ 1351.447382][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.447420][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.447457][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.447498][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858695c0 [ 1351.447545][ T32] r4:00000000 [ 1351.447568][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.447636][ T32] r9:83018005 r8:859a5400 r7:00000000 r6:83018000 r5:00001000 r4:7f809000 [ 1351.447661][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.447701][ T32] r5:00001000 r4:edd2d000 [ 1351.447746][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.447813][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.447857][ T32] r5:85c0fb8c r4:85c0f800 [ 1351.447876][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.447918][ T32] r7:dddced80 r6:83018000 r5:85c0fb8c r4:85929a80 [ 1351.447952][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.448023][ T32] r10:61c88647 r9:859a5400 r8:85929aac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.448066][ T32] r4:85929a80 [ 1351.448088][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.448159][ T32] r10:00000000 r9:85929a80 r8:8027f5e8 r7:edccde60 r6:85929b00 r5:859a5400 ** 3 printk messages dropped ** [ 1351.448329][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1351.448797][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1351.449084][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.449261][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 6 printk messages dropped ** [ 1351.449509][ T32] r4:e884ddc0 ** 2 printk messages dropped ** [ 1351.449620][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.460355][ T32] r5:00001000 r4:e884f000 ** 2 printk messages dropped ** [ 1351.460502][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.460522][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.460569][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.460617][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.460668][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.460690][ T32] r4:8454db00 [ 1351.460710][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.460781][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.460808][ T32] r4:00000001 [ 1351.460828][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.460893][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.460925][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.461000][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.461030][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.461059][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.461080][ T32] r4:84e5aa80 [ 1351.461103][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.461134][ T32] INFO: task kworker/0:609:7384 blocked for more than 477 seconds. [ 1351.461201][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.461229][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.461250][ T32] task:kworker/0:609 state:D stack:0 pid:7384 tgid:7384 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.461377][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.461460][ T32] Call trace: [ 1351.461583][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.461685][ T32] r10:8291880c r9:edd25d84 r8:00000002 r7:60000113 r6:edd25d8c r5:859a6000 [ 1351.461712][ T32] r4:859a6000 [ 1351.461762][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.461805][ T32] r5:859a6000 r4:82918808 [ 1351.461825][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.461861][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.461903][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edd25e08 [ 1351.461954][ T32] r4:00000000 [ 1351.461979][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.462015][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.462055][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.462139][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85869480 [ 1351.462165][ T32] r4:00000000 [ 1351.462212][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.462313][ T32] r9:83018005 r8:859a6000 r7:00000000 r6:83018000 r5:00001000 r4:7f807000 [ 1351.462342][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.462413][ T32] r5:00001000 r4:edd21000 [ 1351.462435][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.462475][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.462569][ T32] r5:85c0f78c r4:85c0f400 [ 1351.462591][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.462634][ T32] r7:dddced80 r6:83018000 r5:85c0f78c r4:85929b80 [ 1351.462654][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.462709][ T32] r10:61c88647 r9:859a6000 r8:85929bac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.462738][ T32] r4:85929b80 [ 1351.462758][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.462847][ T32] r10:00000000 r9:85929b80 r8:8027f5e8 r7:edd19e60 r6:85929c00 r5:859a6000 [ 1351.462904][ T32] r4:00000001 [ 1351.462956][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.462996][ T32] Exception stack(0xedd25fb0 to 0xedd25ff8) [ 1351.463022][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1351.463049][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.463098][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.463130][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.463153][ T32] r4:85869280 [ 1351.463616][ T32] INFO: task kworker/0:609:7384 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.463650][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.463705][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.463748][ T32] Call trace: [ 1351.463777][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.463823][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.463845][ T32] r4:00000000 [ 1351.463864][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.463899][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.463965][ T32] dd20: b4478000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.464002][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.464028][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.464109][ T32] r5:80070013 r4:80239bb0 [ 1351.464134][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.464210][ T32] r4:82ac11a4 [ 1351.464233][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.464281][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.464337][ T32] r4:e884ddc0 [ 1351.464392][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.464439][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.464486][ T32] r4:00000000 [ 1351.464508][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.464556][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.464609][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.464658][ T32] r5:00001000 r4:e884f000 [ 1351.464683][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.464723][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.464763][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.464782][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.464854][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.464885][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.464982][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.465030][ T32] r4:8454db00 [ 1351.465073][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.465164][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.465210][ T32] r4:00000001 [ 1351.465256][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.465389][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.465455][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.465581][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.465778][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.465851][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.465901][ T32] r4:84e5aa80 [ 1351.465966][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.466025][ T32] INFO: task kworker/0:610:7388 blocked for more than 477 seconds. [ 1351.466084][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.466184][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.466267][ T32] task:kworker/0:610 state:D stack:0 pid:7388 tgid:7388 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.466442][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.466488][ T32] Call trace: [ 1351.466545][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.466597][ T32] r10:8291880c r9:edd31d84 r8:00000002 r7:60000113 r6:edd31d8c r5:859a6c00 [ 1351.466619][ T32] r4:859a6c00 [ 1351.466638][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.466680][ T32] r5:859a6c00 r4:82918808 [ 1351.466704][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.466742][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.466786][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edd31e08 [ 1351.466839][ T32] r4:00000000 [ 1351.466889][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.466969][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.467039][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.467089][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85869980 [ 1351.467141][ T32] r4:00000000 [ 1351.467193][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.467240][ T32] r9:83018005 r8:859a6c00 r7:00000000 r6:83018000 r5:00001000 r4:7f765000 [ 1351.467261][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.467334][ T32] r5:00001000 r4:ed545000 [ 1351.467384][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.467428][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.467468][ T32] r5:85c5038c r4:85c50000 [ 1351.467507][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.467582][ T32] r7:dddced80 r6:83018000 r5:85c5038c r4:85929c80 [ 1351.467637][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.467716][ T32] r10:61c88647 r9:859a6c00 r8:85929cac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.467741][ T32] r4:85929c80 [ 1351.467760][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.467802][ T32] r10:00000000 r9:85929c80 r8:8027f5e8 r7:edd19e60 r6:85929d00 r5:859a6c00 [ 1351.467823][ T32] r4:00000001 [ 1351.467841][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.467875][ T32] Exception stack(0xedd31fb0 to 0xedd31ff8) [ 1351.467926][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.467960][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1351.468081][ T32] r4:85869440 ** 5 printk messages dropped ** [ 1351.468963][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1351.469675][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1351.502904][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1351.503172][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1351.503425][ T32] r4:8454db00 ** 7 printk messages dropped ** [ 1351.503784][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1351.504215][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1351.504444][ T32] r4:84d78000 [ 1351.504492][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.504572][ T32] r5:84d78000 r4:82918808 [ 1351.504596][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.504637][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.504680][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edae1e08 [ 1351.504702][ T32] r4:00000000 [ 1351.504721][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.504755][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.504793][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.504834][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85869880 [ 1351.504879][ T32] r4:00000000 [ 1351.504902][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.504946][ T32] r9:83018005 r8:84d78000 r7:00000000 r6:83018000 r5:00001000 r4:7f763000 [ 1351.504968][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.505007][ T32] r5:00001000 r4:ed4e1000 [ 1351.505026][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.505085][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.505202][ T32] r5:85c0ff8c r4:85c0fc00 [ 1351.505229][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.505304][ T32] r7:dddced80 r6:83018000 r5:85c0ff8c r4:85929d80 [ 1351.505329][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.505378][ T32] r10:61c88647 r9:84d78000 r8:85929dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.505400][ T32] r4:85929d80 [ 1351.505422][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.505467][ T32] r10:00000000 r9:85929d80 r8:8027f5e8 r7:edd31e60 r6:85929e00 r5:84d78000 [ 1351.505491][ T32] r4:00000001 [ 1351.505522][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.505562][ T32] Exception stack(0xedae1fb0 to 0xedae1ff8) [ 1351.505616][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.505652][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.505679][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.505710][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.505733][ T32] r4:85869440 [ 1351.506271][ T32] INFO: task kworker/0:611:7392 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.506315][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.506381][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.506431][ T32] Call trace: [ 1351.506462][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.506529][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.506582][ T32] r4:00000000 [ 1351.506642][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.506683][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.506778][ T32] dd20: b5299000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.506809][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.506858][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.506885][ T32] r5:80070013 r4:80239bb0 [ 1351.506905][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.506949][ T32] r4:82ac11a4 [ 1351.506972][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.507019][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.507046][ T32] r4:e884ddc0 [ 1351.507069][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.507113][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.507134][ T32] r4:00000000 [ 1351.507152][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.507195][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.507245][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.507290][ T32] r5:00001000 r4:e884f000 [ 1351.507316][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.507367][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.507412][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.507454][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.507504][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.507555][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.507606][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.507629][ T32] r4:8454db00 [ 1351.507648][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.507691][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.507713][ T32] r4:00000001 [ 1351.507731][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.507764][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.507790][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.507846][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1351.507924][ T32] r4:84e5aa80 ** 3 printk messages dropped ** [ 1351.508043][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 4 printk messages dropped ** [ 1351.508402][ T32] r10:8291880c r9:edac1d84 r8:00000002 r7:60000113 r6:edac1d8c r5:84d78c00 ** 4 printk messages dropped ** [ 1351.508652][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 4 printk messages dropped ** [ 1351.508830][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1351.509142][ T32] r5:00001000 r4:ed6d3000 [ 1351.509164][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.509203][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1351.509308][ T32] r7:dddced80 r6:83018000 r5:85c5078c r4:85929e80 ** 2 printk messages dropped ** [ 1351.509426][ T32] r4:85929e80 ** 4 printk messages dropped ** [ 1351.509603][ T32] Exception stack(0xedac1fb0 to 0xedac1ff8) [ 1351.509692][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.509806][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.518005][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.518059][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.518084][ T32] r4:85869780 [ 1351.518646][ T32] INFO: task kworker/0:612:7396 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.518690][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.518861][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.518927][ T32] Call trace: [ 1351.518961][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.519086][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.519115][ T32] r4:00000000 [ 1351.519135][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.519176][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.519204][ T32] dd20: b5299000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.519255][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.519301][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.519329][ T32] r5:80070013 r4:80239bb0 [ 1351.519353][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.519401][ T32] r4:82ac11a4 [ 1351.519421][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.519465][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.519497][ T32] r4:e884ddc0 [ 1351.519520][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.519563][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.519585][ T32] r4:00000000 [ 1351.519603][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.519698][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.519837][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.533987][ T32] r5:00001000 r4:e884f000 [ 1351.534041][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.534103][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.534146][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.534243][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.534317][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.534341][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.534388][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.534410][ T32] r4:8454db00 [ 1351.534429][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.534473][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.534495][ T32] r4:00000001 [ 1351.534538][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.534605][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.534637][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.534664][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.534691][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.534733][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.534759][ T32] r4:84e5aa80 [ 1351.534784][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.534813][ T32] INFO: task kworker/0:613:7402 blocked for more than 478 seconds. [ 1351.534875][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.534904][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.534925][ T32] task:kworker/0:613 state:D stack:0 pid:7402 tgid:7402 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.534998][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.535078][ T32] Call trace: [ 1351.535117][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.535201][ T32] r10:8291880c r9:edd3dd84 r8:00000002 r7:60000113 r6:edd3dd8c r5:84d79800 [ 1351.535225][ T32] r4:84d79800 [ 1351.535245][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.535283][ T32] r5:84d79800 r4:82918808 [ 1351.535310][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.535346][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.535389][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edd3de08 [ 1351.535412][ T32] r4:00000000 [ 1351.535431][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.535466][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.535506][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.535561][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85869dc0 [ 1351.535587][ T32] r4:00000000 [ 1351.535606][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.535726][ T32] r9:83018005 r8:84d79800 r7:00000000 r6:83018000 r5:00001000 r4:7f773000 [ 1351.535759][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.535808][ T32] r5:00001000 r4:ed6f7000 [ 1351.535829][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.535869][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.535936][ T32] r5:85c50b8c r4:85c50800 [ 1351.535959][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.536003][ T32] r7:dddced80 r6:83018000 r5:85c50b8c r4:85929f80 [ 1351.536060][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.536128][ T32] r10:61c88647 r9:84d79800 r8:85929fac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.536153][ T32] r4:85929f80 [ 1351.536172][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.536216][ T32] r10:00000000 r9:85929f80 r8:8027f5e8 r7:edac1e60 r6:85937000 r5:84d79800 [ 1351.536237][ T32] r4:00000001 [ 1351.536268][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.536349][ T32] Exception stack(0xedd3dfb0 to 0xedd3dff8) [ 1351.536382][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.536429][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.536459][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.536541][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.536572][ T32] r4:85869ac0 [ 1351.537069][ T32] INFO: task kworker/0:613:7402 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.537108][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.537226][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.537271][ T32] Call trace: [ 1351.537307][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.537355][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.537379][ T32] r4:00000000 [ 1351.537398][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.537434][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.537462][ T32] dd20: b574e000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.537489][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.537513][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.537536][ T32] r5:80070013 r4:80239bb0 [ 1351.537555][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.537598][ T32] r4:82ac11a4 [ 1351.537618][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.537663][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.537684][ T32] r4:e884ddc0 [ 1351.537703][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.537744][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.537765][ T32] r4:00000000 [ 1351.537784][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.537866][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.537918][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.537963][ T32] r5:00001000 r4:e884f000 [ 1351.537983][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.538022][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.538075][ T32] r5:84fe9f8c r4:84fe9c00 ** 2 printk messages dropped ** [ 1351.538165][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.538247][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.538274][ T32] r4:8454db00 [ 1351.538306][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.538393][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.538417][ T32] r4:00000001 [ 1351.538436][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.538473][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.538498][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.538526][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.538556][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.538586][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.538609][ T32] r4:84e5aa80 [ 1351.538628][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.538653][ T32] INFO: task kworker/0:614:7405 blocked for more than 478 seconds. [ 1351.538699][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.538745][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.538774][ T32] task:kworker/0:614 state:D stack:0 pid:7405 tgid:7405 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.538851][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.538917][ T32] Call trace: [ 1351.538955][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.539005][ T32] r10:8291880c r9:edd41d84 r8:00000002 r7:60000113 r6:edd41d8c r5:84d7b000 [ 1351.539071][ T32] r4:84d7b000 [ 1351.539095][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.539135][ T32] r5:84d7b000 r4:82918808 [ 1351.539154][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.539190][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.539230][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edd41e08 [ 1351.539251][ T32] r4:00000000 [ 1351.539279][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.539323][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.539359][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.539411][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d9cc80 [ 1351.539436][ T32] r4:00000000 [ 1351.539456][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.539499][ T32] r9:83018005 r8:84d7b000 r7:00000000 r6:83018000 r5:00001000 r4:7f77b000 [ 1351.539520][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.539577][ T32] r5:00001000 r4:ed7dd000 [ 1351.539599][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.539656][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.539724][ T32] r5:85c5138c r4:85c51000 [ 1351.539791][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.560221][ T32] r7:dddced80 r6:83018000 r5:85c5138c r4:85937080 [ 1351.560263][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.560381][ T32] r10:61c88647 r9:84d7b000 r8:859370ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.560414][ T32] r4:85937080 [ 1351.560437][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.560484][ T32] r10:00000000 r9:85937080 r8:8027f5e8 r7:edd3de60 r6:85937100 r5:84d7b000 [ 1351.560507][ T32] r4:00000001 [ 1351.560525][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.560562][ T32] Exception stack(0xedd41fb0 to 0xedd41ff8) [ 1351.560591][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.560634][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.560664][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.560693][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.560714][ T32] r4:85869bc0 [ 1351.561180][ T32] INFO: task kworker/0:614:7405 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.561213][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.561329][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.561400][ T32] Call trace: [ 1351.561459][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.561509][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.561533][ T32] r4:00000000 [ 1351.561552][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.561588][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.561615][ T32] dd20: b5dc9000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.561642][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.561666][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.561705][ T32] r5:80070013 r4:80239bb0 [ 1351.561728][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.561794][ T32] r4:82ac11a4 [ 1351.561818][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.561866][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.561888][ T32] r4:e884ddc0 [ 1351.561926][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.562000][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.562044][ T32] r4:00000000 [ 1351.562070][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.562116][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.562165][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.562257][ T32] r5:00001000 r4:e884f000 [ 1351.562281][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.562351][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.562396][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.562417][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.562479][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.562502][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.562547][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.562592][ T32] r4:8454db00 [ 1351.562614][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.562658][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.562680][ T32] r4:00000001 [ 1351.562699][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.562733][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.562758][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.562785][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.562831][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.562884][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.562930][ T32] r4:84e5aa80 [ 1351.562974][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.563005][ T32] INFO: task kworker/0:615:7406 blocked for more than 478 seconds. [ 1351.563066][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.563098][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.563139][ T32] task:kworker/0:615 state:D stack:0 pid:7406 tgid:7406 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.563231][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.563278][ T32] Call trace: [ 1351.563314][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.563362][ T32] r10:8291880c r9:edd45d84 r8:00000002 r7:60000113 r6:edd45d8c r5:84d7bc00 [ 1351.563384][ T32] r4:84d7bc00 [ 1351.563403][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.563475][ T32] r5:84d7bc00 r4:82918808 [ 1351.563499][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.563536][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.563577][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edd45e08 [ 1351.563599][ T32] r4:00000000 [ 1351.563617][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.563652][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.563687][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.563728][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85869a40 [ 1351.563750][ T32] r4:00000000 [ 1351.563768][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.563811][ T32] r9:83018005 r8:84d7bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f779000 [ 1351.563850][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.563894][ T32] r5:00001000 r4:ed7b3000 [ 1351.563935][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.563982][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.564023][ T32] r5:85c50f8c r4:85c50c00 [ 1351.564043][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.564085][ T32] r7:dddced80 r6:83018000 r5:85c50f8c r4:85937180 [ 1351.564104][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.564147][ T32] r10:61c88647 r9:84d7bc00 r8:859371ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.564168][ T32] r4:85937180 [ 1351.564186][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.564228][ T32] r10:00000000 r9:85937180 r8:8027f5e8 r7:edd41e60 r6:85937200 r5:84d7bc00 [ 1351.564250][ T32] r4:00000001 [ 1351.564267][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.564308][ T32] Exception stack(0xedd45fb0 to 0xedd45ff8) [ 1351.564355][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1351.564396][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.564432][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.564474][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.564519][ T32] r4:85869bc0 [ 1351.564819][ T32] INFO: task kworker/0:615:7406 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.564850][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.564930][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.564974][ T32] Call trace: [ 1351.565021][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.565081][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.565105][ T32] r4:00000000 [ 1351.565124][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.565174][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.565227][ T32] dd20: b5dc9000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.565259][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.565283][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.565322][ T32] r5:80070013 r4:80239bb0 [ 1351.565345][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.565398][ T32] r4:82ac11a4 [ 1351.565429][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.565488][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.565526][ T32] r4:e884ddc0 [ 1351.565548][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.565596][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.565620][ T32] r4:00000000 [ 1351.565640][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.565684][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.565715][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.565762][ T32] r5:00001000 r4:e884f000 [ 1351.565782][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.565830][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.565901][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.565933][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.566004][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.566053][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.566121][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.566148][ T32] r4:8454db00 [ 1351.566214][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.566282][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.566313][ T32] r4:00000001 [ 1351.566367][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.566407][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.566434][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.566462][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.566530][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.566564][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.566587][ T32] r4:84e5aa80 [ 1351.566607][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.566632][ T32] INFO: task kworker/0:616:7410 blocked for more than 478 seconds. [ 1351.566661][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.566683][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.566703][ T32] task:kworker/0:616 state:D stack:0 pid:7410 tgid:7410 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.566747][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.566787][ T32] Call trace: [ 1351.566853][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.566903][ T32] r10:8291880c r9:edacdd84 r8:00000002 r7:60000113 r6:edacdd8c r5:84d7c800 [ 1351.566926][ T32] r4:84d7c800 [ 1351.566945][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.566983][ T32] r5:84d7c800 r4:82918808 [ 1351.567025][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.567071][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.567114][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edacde08 [ 1351.567135][ T32] r4:00000000 [ 1351.567174][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.567212][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.567249][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.567291][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a5e840 [ 1351.567318][ T32] r4:00000000 [ 1351.567358][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.567404][ T32] r9:83018005 r8:84d7c800 r7:00000000 r6:83018000 r5:00001000 r4:7f811000 [ 1351.567426][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.567467][ T32] r5:00001000 r4:ed173000 [ 1351.567486][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.567523][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.567613][ T32] r5:85c52f8c r4:85c52c00 ** 2 printk messages dropped ** [ 1351.567721][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 11 printk messages dropped ** [ 1351.568203][ T32] r4:84d9c400 ** 2 printk messages dropped ** [ 1351.568673][ T32] Workqueue: events bpf_prog_free_deferred ** 5 printk messages dropped ** [ 1351.568946][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.568974][ T32] dd20: b5dc9000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.569002][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.569026][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.569053][ T32] r5:80070013 r4:80239bb0 [ 1351.569074][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.569138][ T32] r4:82ac11a4 [ 1351.569166][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.569213][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.569235][ T32] r4:e884ddc0 [ 1351.569254][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.569329][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.569366][ T32] r4:00000000 [ 1351.569389][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.569443][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.569489][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.569533][ T32] r5:00001000 r4:e884f000 [ 1351.569567][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.569632][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.569713][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.569735][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.582382][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.582452][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.582522][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.582546][ T32] r4:8454db00 [ 1351.582566][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.582611][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.582632][ T32] r4:00000001 [ 1351.582651][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.582701][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.582735][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.582764][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.582791][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.582837][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.582871][ T32] r4:84e5aa80 [ 1351.582895][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.582924][ T32] INFO: task kworker/0:617:7493 blocked for more than 478 seconds. [ 1351.582956][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.582981][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.583002][ T32] task:kworker/0:617 state:D stack:0 pid:7493 tgid:7493 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.583058][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.583146][ T32] Call trace: [ 1351.583188][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.583250][ T32] r10:8291880c r9:eddedd84 r8:00000002 r7:60000113 r6:eddedd8c r5:84d7e000 [ 1351.583275][ T32] r4:84d7e000 [ 1351.583300][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.583340][ T32] r5:84d7e000 r4:82918808 [ 1351.583397][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.583442][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.583485][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eddede08 [ 1351.583506][ T32] r4:00000000 [ 1351.583525][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.583582][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.583651][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.583699][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c0aa80 [ 1351.583721][ T32] r4:00000000 [ 1351.583740][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.583784][ T32] r9:83018005 r8:84d7e000 r7:00000000 r6:83018000 r5:00001000 r4:7f819000 [ 1351.583806][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.583845][ T32] r5:00001000 r4:edb79000 [ 1351.583864][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.583922][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.583967][ T32] r5:85c5338c r4:85c53000 [ 1351.583986][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.584029][ T32] r7:dddced80 r6:83018000 r5:85c5338c r4:85937380 [ 1351.584049][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.584095][ T32] r10:61c88647 r9:84d7e000 r8:859373ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.584116][ T32] r4:85937380 ** 4 printk messages dropped ** [ 1351.584274][ T32] Exception stack(0xeddedfb0 to 0xeddedff8) ** 6 printk messages dropped ** [ 1351.584870][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1351.585225][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 11 printk messages dropped ** [ 1351.585645][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 13 printk messages dropped ** [ 1351.586155][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 10 printk messages dropped ** [ 1351.586514][ T32] Workqueue: events bpf_prog_free_deferred ** 11 printk messages dropped ** [ 1351.586995][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1351.587251][ T32] r5:00001000 r4:edb8d000 [ 1351.587292][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1351.587535][ T32] r7:dddced80 r6:83018000 r5:85c5378c r4:85937480 ** 1 printk messages dropped ** [ 1351.587597][ T32] r10:61c88647 r9:84d7ec00 r8:859374ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.587619][ T32] r4:85937480 [ 1351.587637][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.587679][ T32] r10:00000000 r9:85937480 r8:8027f5e8 r7:eddede60 r6:85937500 r5:84d7ec00 [ 1351.587700][ T32] r4:00000001 [ 1351.587718][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.587771][ T32] Exception stack(0xedde1fb0 to 0xedde1ff8) [ 1351.587801][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.587829][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.587855][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.587882][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.587903][ T32] r4:85a5ee80 [ 1351.588194][ T32] INFO: task kworker/0:618:7495 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.588229][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.588329][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.588406][ T32] Call trace: [ 1351.588441][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.588491][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.588524][ T32] r4:00000000 [ 1351.588548][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.588585][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.588631][ T32] dd20: b5eb0000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.588668][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.588693][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.588716][ T32] r5:80070013 r4:80239bb0 [ 1351.588749][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.588833][ T32] r4:82ac11a4 [ 1351.588862][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.588910][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.588932][ T32] r4:e884ddc0 [ 1351.588953][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.588995][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.589016][ T32] r4:00000000 [ 1351.589035][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.589082][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.589103][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.589144][ T32] r5:00001000 r4:e884f000 [ 1351.589192][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.589234][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.589275][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.589299][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.589345][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.589365][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.589409][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.589430][ T32] r4:8454db00 [ 1351.589466][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.589550][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.589574][ T32] r4:00000001 [ 1351.589636][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 10 printk messages dropped ** [ 1351.613014][ T32] task:kworker/0:619 state:D stack:0 pid:7498 tgid:7498 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 16 printk messages dropped ** [ 1351.613787][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1351.613994][ T32] r5:00001000 r4:edbc9000 [ 1351.614028][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1351.614142][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1351.614681][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.614712][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.614753][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.614797][ T32] r4:84ce67c0 [ 1351.615270][ T32] INFO: task kworker/0:619:7498 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.615313][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.615376][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.615423][ T32] Call trace: [ 1351.615454][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.615504][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.615528][ T32] r4:00000000 [ 1351.615570][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.615614][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.615664][ T32] dd20: b62e9000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.615724][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.615754][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.615781][ T32] r5:80070013 r4:80239bb0 [ 1351.615803][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.615851][ T32] r4:82ac11a4 [ 1351.615872][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.615940][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.615968][ T32] r4:e884ddc0 [ 1351.616074][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.616124][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 5 printk messages dropped ** [ 1351.616352][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 7 printk messages dropped ** [ 1351.616726][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 10 printk messages dropped ** [ 1351.617137][ T32] INFO: task kworker/0:620:7500 blocked for more than 478 seconds. ** 11 printk messages dropped ** [ 1351.617577][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 11 printk messages dropped ** [ 1351.618093][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 19 printk messages dropped ** [ 1351.619173][ T32] Workqueue: events bpf_prog_free_deferred ** 11 printk messages dropped ** [ 1351.619726][ T32] r4:82ac11a4 ** 11 printk messages dropped ** [ 1351.638172][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 20 printk messages dropped ** [ 1351.639176][ T32] task:kworker/0:621 state:D stack:0 pid:7503 tgid:7503 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1351.639394][ T32] r4:851b0000 [ 1351.639412][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.639451][ T32] r5:851b0000 r4:82918808 [ 1351.639470][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.639525][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.639575][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eddf9e08 [ 1351.639616][ T32] r4:00000000 [ 1351.639656][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.639720][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.647326][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.647433][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bfaf00 [ 1351.647460][ T32] r4:00000000 [ 1351.647481][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1351.647622][ T32] r5:00001000 r4:edc9f000 ** 4 printk messages dropped ** [ 1351.647844][ T32] r7:dddced80 r6:83018000 r5:84c99b8c r4:85937780 ** 4 printk messages dropped ** [ 1351.648043][ T32] r10:00000000 r9:85937780 r8:8027f5e8 r7:eddf1e60 r6:85937800 r5:851b0000 [ 1351.648092][ T32] r4:00000001 [ 1351.648116][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.648156][ T32] Exception stack(0xeddf9fb0 to 0xeddf9ff8) [ 1351.648184][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.648213][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.648238][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 1 printk messages dropped ** [ 1351.648311][ T32] r4:84c08c00 ** 14 printk messages dropped ** [ 1351.649410][ T32] r4:82ac11a4 ** 14 printk messages dropped ** [ 1351.662618][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 14 printk messages dropped ** [ 1351.663106][ T32] INFO: task kworker/0:622:7505 blocked for more than 478 seconds. ** 18 printk messages dropped ** [ 1351.663865][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.664017][ T32] r5:00001000 r4:edbdd000 ** 3 printk messages dropped ** [ 1351.664132][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.664174][ T32] r7:dddced80 r6:83018000 r5:84c9a78c r4:85937880 [ 1351.664194][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.664237][ T32] r10:61c88647 r9:851b0c00 r8:859378ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.664259][ T32] r4:85937880 [ 1351.664288][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.664341][ T32] r10:00000000 r9:85937880 r8:8027f5e8 r7:eddf9e60 r6:85937900 r5:851b0c00 [ 1351.664363][ T32] r4:00000001 [ 1351.664381][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.664416][ T32] Exception stack(0xede01fb0 to 0xede01ff8) [ 1351.664446][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 9 printk messages dropped ** [ 1351.665314][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 12 printk messages dropped ** [ 1351.665711][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 16 printk messages dropped ** [ 1351.666447][ T32] r4:00000001 ** 11 printk messages dropped ** [ 1351.666881][ T32] task:kworker/0:623 state:D stack:0 pid:7507 tgid:7507 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 19 printk messages dropped ** [ 1351.667645][ T32] r5:00001000 r4:edc61000 ** 4 printk messages dropped ** [ 1351.667870][ T32] r7:dddced80 r6:83018000 r5:84c9a38c r4:85937980 ** 15 printk messages dropped ** [ 1351.668903][ T32] Workqueue: events bpf_prog_free_deferred ** 17 printk messages dropped ** [ 1351.669496][ T32] r4:00000000 ** 10 printk messages dropped ** [ 1351.690614][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 3 printk messages dropped ** [ 1351.690734][ T32] r4:00000001 [ 1351.690755][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.690793][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.690835][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.690923][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.690961][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.690993][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.691019][ T32] r4:84e5aa80 [ 1351.691046][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.691115][ T32] INFO: task kworker/0:624:7522 blocked for more than 478 seconds. [ 1351.691160][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.691214][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.691260][ T32] task:kworker/0:624 state:D stack:0 pid:7522 tgid:7522 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.691352][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.691402][ T32] Call trace: [ 1351.691464][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.691520][ T32] r10:8291880c r9:ede2dd84 r8:00000002 r7:60000113 r6:ede2dd8c r5:851b4800 [ 1351.691549][ T32] r4:851b4800 [ 1351.691617][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.691695][ T32] r5:851b4800 r4:82918808 [ 1351.691742][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.691787][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.691831][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ede2de08 [ 1351.691854][ T32] r4:00000000 [ 1351.691875][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.691910][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.691952][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.691995][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bfa780 [ 1351.692018][ T32] r4:00000000 [ 1351.692039][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1351.692235][ T32] r5:00001000 r4:edeb9000 ** 3 printk messages dropped ** [ 1351.692402][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 19 printk messages dropped ** [ 1351.693856][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 20 printk messages dropped ** [ 1351.694598][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 19 printk messages dropped ** [ 1351.695310][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 18 printk messages dropped ** [ 1351.696107][ T32] r9:83018005 r8:851b3000 r7:00000000 r6:83018000 r5:00001000 r4:7f891000 ** 3 printk messages dropped ** [ 1351.696278][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1351.696666][ T32] Exception stack(0xedec5fb0 to 0xedec5ff8) ** 4 printk messages dropped ** [ 1351.696809][ T32] r4:85bfae80 ** 5 printk messages dropped ** [ 1351.697400][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1351.697720][ T32] r4:82ac11a4 ** 13 printk messages dropped ** [ 1351.698256][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 19 printk messages dropped ** [ 1351.699071][ T32] Workqueue: events bpf_prog_free_deferred ** 18 printk messages dropped ** [ 1351.722458][ T32] r5:00001000 r4:ed70d000 ** 1 printk messages dropped ** [ 1351.722521][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.722578][ T32] r5:85c5c78c r4:85c5c400 [ 1351.722623][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.722677][ T32] r7:dddced80 r6:83018000 r5:85c5c78c r4:85937c80 [ 1351.722719][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.722769][ T32] r10:61c88647 r9:851b6c00 r8:85937cac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.722792][ T32] r4:85937c80 [ 1351.722811][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.722855][ T32] r10:00000000 r9:85937c80 r8:8027f5e8 r7:edec5e60 r6:85937d00 r5:851b6c00 [ 1351.722887][ T32] r4:00000001 [ 1351.722929][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.722993][ T32] Exception stack(0xedee9fb0 to 0xedee9ff8) [ 1351.723026][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.723071][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.723119][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.723151][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 2 printk messages dropped ** [ 1351.723741][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 33 printk messages dropped ** [ 1351.725269][ T32] r4:00000001 ** 11 printk messages dropped ** [ 1351.725713][ T32] task:kworker/0:627 state:D stack:0 pid:7579 tgid:7579 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 19 printk messages dropped ** [ 1351.726602][ T32] r5:00001000 r4:edce1000 ** 3 printk messages dropped ** [ 1351.726749][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 12 printk messages dropped ** [ 1351.727270][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1351.728140][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 13 printk messages dropped ** [ 1351.728764][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 18 printk messages dropped ** [ 1351.729432][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 19 printk messages dropped ** [ 1351.745440][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1351.745697][ T32] r5:00001000 r4:ed6a7000 [ 1351.745738][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.745781][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.745866][ T32] r5:85c5c38c r4:85c5c000 [ 1351.745889][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.745936][ T32] r7:dddced80 r6:83018000 r5:85c5c38c r4:85937e80 [ 1351.745960][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.746027][ T32] r10:61c88647 r9:851b6000 r8:85937eac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.746075][ T32] r4:85937e80 [ 1351.746117][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.746168][ T32] r10:00000000 r9:85937e80 r8:8027f5e8 r7:edee9e60 r6:85937f00 r5:851b6000 [ 1351.746233][ T32] r4:00000001 [ 1351.746279][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.746331][ T32] Exception stack(0xedf11fb0 to 0xedf11ff8) [ 1351.746361][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1351.746390][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.746417][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.746464][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.746492][ T32] r4:85bfab80 [ 1351.746987][ T32] INFO: task kworker/0:628:7588 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.747024][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.747114][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.747160][ T32] Call trace: [ 1351.747190][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.747238][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.747261][ T32] r4:00000000 [ 1351.747279][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.747322][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.747349][ T32] dd20: b797b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.747396][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.747424][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.747448][ T32] r5:80070013 r4:80239bb0 [ 1351.747468][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.747513][ T32] r4:82ac11a4 [ 1351.747541][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 6 printk messages dropped ** [ 1351.747778][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 16 printk messages dropped ** [ 1351.748471][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 16 printk messages dropped ** [ 1351.749089][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 15 printk messages dropped ** [ 1351.749724][ T32] r7:dddced80 r6:83018000 r5:85c5cb8c r4:85937f80 ** 18 printk messages dropped ** [ 1351.763376][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 25 printk messages dropped ** [ 1351.764291][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 22 printk messages dropped ** [ 1351.765242][ T32] r5:85cc8c00 r4:82918808 ** 10 printk messages dropped ** [ 1351.765763][ T32] r9:83018005 r8:85cc8c00 r7:00000000 r6:83018000 r5:00001000 r4:7f8b1000 ** 5 printk messages dropped ** [ 1351.766025][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.766089][ T32] r7:dddced80 r6:83018000 r5:85c5cf8c r4:85cfe080 [ 1351.766129][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.766177][ T32] r10:61c88647 r9:85cc8c00 r8:85cfe0ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.766241][ T32] r4:85cfe080 [ 1351.766264][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.766315][ T32] r10:00000000 r9:85cfe080 r8:8027f5e8 r7:edf29e60 r6:85cfe100 r5:85cc8c00 [ 1351.766358][ T32] r4:00000001 [ 1351.766381][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.766418][ T32] Exception stack(0xedf25fb0 to 0xedf25ff8) [ 1351.766445][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1351.766473][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.766499][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.766536][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.766583][ T32] r4:85cfd380 [ 1351.766946][ T32] INFO: task kworker/0:630:7598 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.766981][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.767069][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.767115][ T32] Call trace: [ 1351.767190][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.767242][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.767265][ T32] r4:00000000 [ 1351.767284][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.767368][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.767421][ T32] dd20: b7f50000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.767454][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.767504][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.767531][ T32] r5:80070013 r4:80239bb0 [ 1351.767552][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.767616][ T32] r4:82ac11a4 [ 1351.767640][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.767690][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.767713][ T32] r4:e884ddc0 [ 1351.767768][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.767835][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.767861][ T32] r4:00000000 [ 1351.767882][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1351.768397][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1351.768703][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.768732][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.768760][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.768823][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.768906][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.768958][ T32] r4:84e5aa80 [ 1351.768982][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.769030][ T32] INFO: task kworker/0:631:7600 blocked for more than 478 seconds. [ 1351.769066][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.769090][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 8 printk messages dropped ** [ 1351.769569][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1351.795016][ T32] r5:00001000 r4:ed861000 ** 3 printk messages dropped ** [ 1351.795136][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 19 printk messages dropped ** [ 1351.796501][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 17 printk messages dropped ** [ 1351.797180][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 18 printk messages dropped ** [ 1351.797952][ T32] r4:84e5aa80 [ 1351.797976][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.798005][ T32] INFO: task kworker/0:632:7602 blocked for more than 478 seconds. [ 1351.798077][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.798130][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.798156][ T32] task:kworker/0:632 state:D stack:0 pid:7602 tgid:7602 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.798245][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.798342][ T32] Call trace: [ 1351.798431][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.798502][ T32] r10:8291880c r9:edf35d84 r8:00000002 r7:60000013 r6:edf35d8c r5:85ccb000 [ 1351.798531][ T32] r4:85ccb000 [ 1351.798551][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.798591][ T32] r5:85ccb000 r4:82918808 [ 1351.798610][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.798645][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.798696][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edf35e08 [ 1351.798721][ T32] r4:00000000 [ 1351.798740][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.798811][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.798858][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1351.799078][ T32] r5:00001000 r4:ed91f000 [ 1351.799123][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 11 printk messages dropped ** [ 1351.799692][ T32] Exception stack(0xedf35fb0 to 0xedf35ff8) [ 1351.810321][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1351.810405][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.810456][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.810513][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.810570][ T32] r4:85cfd7c0 [ 1351.811076][ T32] INFO: task kworker/0:632:7602 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.811153][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 4 printk messages dropped ** [ 1351.811550][ T32] r4:00000000 ** 11 printk messages dropped ** [ 1351.811925][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 13 printk messages dropped ** [ 1351.812533][ T32] r4:8454db00 ** 11 printk messages dropped ** [ 1351.812906][ T32] INFO: task kworker/0:633:7603 blocked for more than 478 seconds. ** 16 printk messages dropped ** [ 1351.813806][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 8 printk messages dropped ** [ 1351.814259][ T32] r5:85c5d78c r4:85c5d400 ** 9 printk messages dropped ** [ 1351.814754][ T32] Exception stack(0xedf39fb0 to 0xedf39ff8) [ 1351.814792][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1351.814822][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.814850][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.814880][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.814902][ T32] r4:85cfda40 [ 1351.815285][ T32] INFO: task kworker/0:633:7603 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.815336][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.815417][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.815497][ T32] Call trace: [ 1351.815559][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.815633][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.815664][ T32] r4:00000000 [ 1351.815706][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.815754][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.815783][ T32] dd20: b847f000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.815842][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.815872][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.815897][ T32] r5:80070013 r4:80239bb0 [ 1351.815919][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.815964][ T32] r4:82ac11a4 [ 1351.816009][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) ** 1 printk messages dropped ** [ 1351.816111][ T32] r4:e884ddc0 ** 10 printk messages dropped ** [ 1351.816589][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 15 printk messages dropped ** [ 1351.817181][ T32] INFO: task kworker/0:634:7607 blocked for more than 478 seconds. ** 10 printk messages dropped ** [ 1351.817692][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.817730][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.817772][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edf41e08 [ 1351.817793][ T32] r4:00000000 [ 1351.817811][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.817844][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.817882][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.817926][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85cfdfc0 [ 1351.817949][ T32] r4:00000000 [ 1351.817984][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.818038][ T32] r9:83018005 r8:85ccc800 r7:00000000 r6:83018000 r5:00001000 r4:7f8bb000 [ 1351.818065][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.818107][ T32] r5:00001000 r4:ed969000 [ 1351.818128][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.818167][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.818261][ T32] r5:85c5df8c r4:85c5dc00 [ 1351.818285][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.818372][ T32] r7:dddced80 r6:83018000 r5:85c5df8c r4:85cfe480 [ 1351.818408][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.818457][ T32] r10:61c88647 r9:85ccc800 r8:85cfe4ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 12 printk messages dropped ** [ 1351.819191][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 23 printk messages dropped ** [ 1351.847131][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 14 printk messages dropped ** [ 1351.847685][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 11 printk messages dropped ** [ 1351.848280][ T32] r4:85cc8000 ** 7 printk messages dropped ** [ 1351.848637][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 7 printk messages dropped ** [ 1351.848964][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 16 printk messages dropped ** [ 1351.849524][ T32] r4:85cfde40 ** 10 printk messages dropped ** [ 1351.865850][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 19 printk messages dropped ** [ 1351.866714][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 2 printk messages dropped ** [ 1351.866801][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.866846][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.866867][ T32] r4:00000001 [ 1351.866887][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.866922][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.866948][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.866975][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.867011][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.867042][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.867068][ T32] r4:84e5aa80 [ 1351.867091][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.867120][ T32] INFO: task kworker/0:636:7611 blocked for more than 478 seconds. [ 1351.867153][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.867177][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.867198][ T32] task:kworker/0:636 state:D stack:0 pid:7611 tgid:7611 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.867242][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.867282][ T32] Call trace: [ 1351.867346][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.867398][ T32] r10:8291880c r9:edf45d84 r8:00000002 r7:60000113 r6:edf45d8c r5:85cce000 [ 1351.867420][ T32] r4:85cce000 [ 1351.867439][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.867488][ T32] r5:85cce000 r4:82918808 [ 1351.867510][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.867547][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.867589][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edf45e08 [ 1351.867611][ T32] r4:00000000 [ 1351.867629][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.867662][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.867697][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.867738][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85d010c0 [ 1351.867759][ T32] r4:00000000 [ 1351.867796][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.867843][ T32] r9:83018005 r8:85cce000 r7:00000000 r6:83018000 r5:00001000 r4:7f8bf000 [ 1351.867866][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.867905][ T32] r5:00001000 r4:eda29000 [ 1351.867925][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1351.868075][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 13 printk messages dropped ** [ 1351.868638][ T32] r4:85d01000 ** 10 printk messages dropped ** [ 1351.869433][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 11 printk messages dropped ** [ 1351.881567][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.881590][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.881644][ T32] r5:00001000 r4:e884f000 [ 1351.881677][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.881721][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1351.881931][ T32] r4:8454db00 ** 11 printk messages dropped ** [ 1351.882345][ T32] INFO: task kworker/0:637:7613 blocked for more than 478 seconds. ** 13 printk messages dropped ** [ 1351.882906][ T32] r4:00000000 ** 8 printk messages dropped ** [ 1351.883189][ T32] r5:00001000 r4:eda55000 ** 2 printk messages dropped ** [ 1351.883327][ T32] r5:85c5eb8c r4:85c5e800 ** 9 printk messages dropped ** [ 1351.883729][ T32] Exception stack(0xedf0dfb0 to 0xedf0dff8) ** 11 printk messages dropped ** [ 1351.884608][ T32] r4:00000000 ** 9 printk messages dropped ** [ 1351.884926][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 18 printk messages dropped ** [ 1351.885589][ T32] r4:00000001 ** 9 printk messages dropped ** [ 1351.885940][ T32] Not tainted 6.15.0-syzkaller #0 ** 11 printk messages dropped ** [ 1351.886439][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edf4de08 ** 2 printk messages dropped ** [ 1351.886542][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.886581][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.886624][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85d01c80 [ 1351.886657][ T32] r4:00000000 [ 1351.886685][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.886729][ T32] r9:83018005 r8:851b5400 r7:00000000 r6:83018000 r5:00001000 r4:7f8c9000 [ 1351.886750][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.886789][ T32] r5:00001000 r4:edeab000 [ 1351.886808][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.886856][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.886900][ T32] r5:85c5fb8c r4:85c5f800 [ 1351.886937][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.886992][ T32] r7:dddced80 r6:83018000 r5:85c5fb8c r4:85cfe880 [ 1351.887013][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.887079][ T32] r10:61c88647 r9:851b5400 r8:85cfe8ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.887125][ T32] r4:85cfe880 [ 1351.887153][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.887199][ T32] r10:00000000 r9:85cfe880 r8:8027f5e8 r7:edf0de60 r6:85cfe900 r5:851b5400 [ 1351.887221][ T32] r4:00000001 [ 1351.887239][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.887273][ T32] Exception stack(0xedf4dfb0 to 0xedf4dff8) ** 7 printk messages dropped ** [ 1351.887886][ T32] Workqueue: events bpf_prog_free_deferred ** 15 printk messages dropped ** [ 1351.888559][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 15 printk messages dropped ** [ 1351.889194][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 7 printk messages dropped ** [ 1351.889477][ T32] r4:84e5aa80 ** 5 printk messages dropped ** [ 1351.889688][ T32] Workqueue: events bpf_prog_free_deferred ** 15 printk messages dropped ** [ 1351.911612][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 9 printk messages dropped ** [ 1351.912009][ T32] r10:61c88647 r9:85ccbc00 r8:85cfe9ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 19 printk messages dropped ** [ 1351.913308][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 19 printk messages dropped ** [ 1351.913986][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 19 printk messages dropped ** [ 1351.914643][ T32] Workqueue: events bpf_prog_free_deferred ** 15 printk messages dropped ** [ 1351.915182][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 10 printk messages dropped ** [ 1351.915585][ T32] r4:85cfea80 ** 11 printk messages dropped ** [ 1351.916310][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1351.916504][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.916527][ T32] r4:00000000 [ 1351.916546][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.916581][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.916608][ T32] dd20: b95e1000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.916654][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.916684][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.916708][ T32] r5:80070013 r4:80239bb0 [ 1351.916727][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.916781][ T32] r4:82ac11a4 [ 1351.916803][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.916851][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.916873][ T32] r4:e884ddc0 [ 1351.916891][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.916932][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.916953][ T32] r4:00000000 [ 1351.916972][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.917014][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.917036][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.917095][ T32] r5:00001000 r4:e884f000 [ 1351.917138][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.917181][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.917222][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.917242][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.917300][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.917349][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.917399][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1351.917634][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1351.917888][ T32] Workqueue: events bpf_prog_free_deferred ** 11 printk messages dropped ** [ 1351.918350][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1351.918628][ T32] r5:00001000 r4:ede9f000 [ 1351.918647][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.918718][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 1 printk messages dropped ** [ 1351.918780][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1351.919064][ T32] Exception stack(0xedf49fb0 to 0xedf49ff8) ** 4 printk messages dropped ** [ 1351.919193][ T32] r4:85d01640 ** 5 printk messages dropped ** [ 1351.942123][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 10 printk messages dropped ** [ 1351.942566][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 10 printk messages dropped ** [ 1351.942932][ T32] r5:84fe9f8c r4:84fe9c00 ** 3 printk messages dropped ** [ 1351.943079][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1351.943450][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1351.943650][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1351.944018][ T32] r4:8536b000 ** 5 printk messages dropped ** [ 1351.944198][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1351.944366][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1351.944508][ T32] r5:00001000 r4:edf71000 ** 1 printk messages dropped ** [ 1351.944570][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1351.944670][ T32] r7:dddced80 r6:83018000 r5:85c6838c r4:85cfec80 [ 1351.944691][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.944734][ T32] r10:61c88647 r9:8536b000 r8:85cfecac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.944767][ T32] r4:85cfec80 [ 1351.944805][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.944893][ T32] r10:00000000 r9:85cfec80 r8:8027f5e8 r7:edf4de60 r6:85cfed00 r5:8536b000 [ 1351.944941][ T32] r4:00000001 [ 1351.944987][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.945042][ T32] Exception stack(0xedf5dfb0 to 0xedf5dff8) [ 1351.945077][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.945109][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.945155][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.945212][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.945250][ T32] r4:85d01640 [ 1351.945787][ T32] INFO: task kworker/0:642:7622 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1351.945832][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.945895][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.945944][ T32] Call trace: [ 1351.945976][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1351.946046][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1351.946077][ T32] r4:00000000 [ 1351.946099][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1351.946138][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1351.946179][ T32] dd20: b9ab8000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1351.946261][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1351.946301][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1351.946329][ T32] r5:80070013 r4:80239bb0 [ 1351.946368][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1351.946423][ T32] r4:82ac11a4 [ 1351.946446][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1351.946495][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1351.946520][ T32] r4:e884ddc0 [ 1351.946558][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.946617][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1351.946640][ T32] r4:00000000 [ 1351.946661][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.946707][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1351.946734][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.946777][ T32] r5:00001000 r4:e884f000 [ 1351.946798][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.946839][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.946896][ T32] r5:84fe9f8c r4:84fe9c00 [ 1351.946962][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.947015][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1351.947038][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.947089][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1351.947112][ T32] r4:8454db00 [ 1351.947133][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.947177][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.947200][ T32] r4:00000001 [ 1351.947219][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.947256][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.947284][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.947320][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.947355][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.947387][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.947413][ T32] r4:84e5aa80 [ 1351.947434][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.947485][ T32] INFO: task kworker/0:643:7624 blocked for more than 478 seconds. [ 1351.947519][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.947551][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 5 printk messages dropped ** [ 1351.947818][ T32] r4:8536a400 ** 5 printk messages dropped ** [ 1351.948050][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1351.948285][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1351.948460][ T32] r5:00001000 r4:edf19000 [ 1351.948481][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1351.948581][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1351.948974][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1351.949787][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 5 printk messages dropped ** [ 1351.972819][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 6 printk messages dropped ** [ 1351.973306][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 11 printk messages dropped ** [ 1351.974221][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 1 printk messages dropped ** [ 1351.974319][ T32] r4:8454db00 [ 1351.974339][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.974383][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1351.974405][ T32] r4:00000001 [ 1351.974425][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.974460][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1351.974501][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1351.974534][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1351.974562][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1351.974615][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1351.974641][ T32] r4:84e5aa80 [ 1351.974666][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1351.974709][ T32] INFO: task kworker/0:644:7629 blocked for more than 478 seconds. [ 1351.974746][ T32] Not tainted 6.15.0-syzkaller #0 [ 1351.974797][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1351.974825][ T32] task:kworker/0:644 state:D stack:0 pid:7629 tgid:7629 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1351.974961][ T32] Workqueue: events bpf_prog_free_deferred [ 1351.975030][ T32] Call trace: [ 1351.975072][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1351.975121][ T32] r10:8291880c r9:edf7dd84 r8:00000002 r7:60000013 r6:edf7dd8c r5:85c20c00 [ 1351.975144][ T32] r4:85c20c00 [ 1351.975188][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1351.975232][ T32] r5:85c20c00 r4:82918808 [ 1351.975253][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1351.975305][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1351.975354][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edf7de08 [ 1351.975377][ T32] r4:00000000 [ 1351.975424][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1351.975488][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1351.975576][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1351.975699][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85d072c0 [ 1351.975781][ T32] r4:00000000 [ 1351.975842][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1351.975947][ T32] r9:83018005 r8:85c20c00 r7:00000000 r6:83018000 r5:00001000 r4:7f8d3000 [ 1351.976002][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1351.976110][ T32] r5:00001000 r4:edf79000 [ 1351.976181][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1351.976283][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1351.976377][ T32] r5:85c6878c r4:85c68400 [ 1351.976442][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1351.976566][ T32] r7:dddced80 r6:83018000 r5:85c6878c r4:85cfee00 [ 1351.976631][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1351.976731][ T32] r10:61c88647 r9:85c20c00 r8:85cfee2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1351.976803][ T32] r4:85cfee00 [ 1351.976859][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1351.976969][ T32] r10:00000000 r9:85cfee00 r8:8027f5e8 r7:edf5de60 r6:8592c080 r5:85c20c00 [ 1351.977024][ T32] r4:00000001 [ 1351.977111][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1351.977206][ T32] Exception stack(0xedf7dfb0 to 0xedf7dff8) [ 1351.977269][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 2 printk messages dropped ** [ 1351.977522][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1351.979290][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 5 printk messages dropped ** [ 1352.000362][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1352.000806][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 7 printk messages dropped ** [ 1352.001460][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1352.001953][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1352.002456][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1352.003440][ T32] r10:8291880c r9:edf95d84 r8:00000002 r7:60000113 r6:edf95d8c r5:85c20000 ** 8 printk messages dropped ** [ 1352.004146][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1352.004662][ T32] r5:00001000 r4:edf85000 [ 1352.004714][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1352.004992][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1352.005787][ T32] Exception stack(0xedf95fb0 to 0xedf95ff8) ** 3 printk messages dropped ** [ 1352.006057][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1352.007725][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 7 printk messages dropped ** [ 1352.008303][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1352.009155][ T32] r5:00001000 r4:e884f000 ** 6 printk messages dropped ** [ 1352.009729][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1352.040985][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1352.041472][ T32] task:kworker/0:646 state:D stack:0 pid:7633 tgid:7633 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1352.042522][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1352.042940][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.043269][ T32] r5:00001000 r4:edfa1000 [ 1352.043317][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.043407][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.043512][ T32] r5:85c6938c r4:85c69000 [ 1352.043556][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.043690][ T32] r7:dddced80 r6:83018000 r5:85c6938c r4:85cfef00 [ 1352.043754][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.043858][ T32] r10:61c88647 r9:85369800 r8:85cfef2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.043914][ T32] r4:85cfef00 [ 1352.043963][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.044101][ T32] r10:00000000 r9:85cfef00 r8:8027f5e8 r7:edf95e60 r6:85cfef80 r5:85369800 [ 1352.044163][ T32] r4:00000001 [ 1352.044210][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.044296][ T32] Exception stack(0xedf69fb0 to 0xedf69ff8) [ 1352.044360][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.044427][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.044488][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.044550][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.044578][ T32] r4:85d07140 [ 1352.045073][ T32] INFO: task kworker/0:646:7633 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.045125][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.045190][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.045236][ T32] Call trace: [ 1352.045266][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.045343][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.045371][ T32] r4:00000000 [ 1352.045391][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.045453][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.045510][ T32] dd20: ba39e000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.045566][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.045597][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.045621][ T32] r5:80070013 r4:80239bb0 [ 1352.045641][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.045685][ T32] r4:82ac11a4 [ 1352.045731][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.045807][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.045859][ T32] r4:e884ddc0 [ 1352.045905][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.045965][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.045992][ T32] r4:00000000 [ 1352.046037][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.046095][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.046119][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.046162][ T32] r5:00001000 r4:e884f000 [ 1352.046183][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.046266][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.046313][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.046349][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.046427][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.046452][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.046499][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.046548][ T32] r4:8454db00 [ 1352.046570][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.046621][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.046645][ T32] r4:00000001 [ 1352.046676][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.046741][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.046821][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.046853][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.046905][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.046937][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.046967][ T32] r4:84e5aa80 [ 1352.046989][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings ** 3 printk messages dropped ** [ 1352.047099][ T32] task:kworker/0:647 state:D stack:0 pid:7635 tgid:7635 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1352.047607][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1352.048253][ T32] r9:83018005 r8:8536c800 r7:00000000 r6:83018000 r5:00001000 r4:7f8d7000 ** 1 printk messages dropped ** [ 1352.048410][ T32] r5:00001000 r4:edf91000 ** 1 printk messages dropped ** [ 1352.048556][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1352.049226][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1352.049633][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1352.079173][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1352.079564][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 6 printk messages dropped ** [ 1352.096229][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 10 printk messages dropped ** [ 1352.097101][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 5 printk messages dropped ** [ 1352.097550][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1352.098052][ T32] r4:84e5aa80 ** 4 printk messages dropped ** [ 1352.098498][ T32] task:kworker/0:648 state:D stack:0 pid:7637 tgid:7637 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1352.099530][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1352.108651][ T32] r5:00001000 r4:edfb9000 [ 1352.108703][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1352.109209][ T32] r10:61c88647 r9:8536d400 r8:85d0212c r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1352.113518][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.113659][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.113739][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.113800][ T32] r4:85d07500 [ 1352.114721][ T32] INFO: task kworker/0:648:7637 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.114813][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.115000][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.115126][ T32] Call trace: [ 1352.115206][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.115379][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.115447][ T32] r4:00000000 [ 1352.115493][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.115582][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.115651][ T32] dd20: ba7d7000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.115721][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.115802][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.115867][ T32] r5:80070013 r4:80239bb0 [ 1352.115919][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.116097][ T32] r4:82ac11a4 [ 1352.116183][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.116297][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.116348][ T32] r4:e884ddc0 [ 1352.116399][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.116517][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.116569][ T32] r4:00000000 [ 1352.116617][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.116718][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.116772][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.116861][ T32] r5:00001000 r4:e884f000 [ 1352.116930][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.117046][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.117145][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.117195][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.117303][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.117369][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.117473][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.117549][ T32] r4:8454db00 [ 1352.117608][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.117711][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.117764][ T32] r4:00000001 [ 1352.117810][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.117890][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.117952][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.118031][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.118093][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.118158][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.118240][ T32] r4:84e5aa80 [ 1352.118293][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.118379][ T32] INFO: task kworker/0:649:7638 blocked for more than 478 seconds. [ 1352.118460][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.118515][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.118582][ T32] task:kworker/0:649 state:D stack:0 pid:7638 tgid:7638 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.118689][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.118816][ T32] Call trace: [ 1352.118889][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 1 printk messages dropped ** [ 1352.119056][ T32] r4:8536e000 ** 4 printk messages dropped ** [ 1352.119424][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edf59e08 ** 9 printk messages dropped ** [ 1352.141042][ T32] r5:00001000 r4:edfad000 [ 1352.141064][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.141103][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1352.141354][ T32] r4:85d02200 ** 6 printk messages dropped ** [ 1352.141690][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1352.143478][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1352.144118][ T32] r4:82ac11a4 ** 6 printk messages dropped ** [ 1352.144602][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 8 printk messages dropped ** [ 1352.145300][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1352.146015][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1352.146724][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1352.147432][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1352.148341][ T32] r5:00001000 r4:edfc5000 [ 1352.148413][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1352.148720][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1352.149437][ T32] Exception stack(0xedfb1fb0 to 0xedfb1ff8) ** 3 printk messages dropped ** [ 1352.149732][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1352.181355][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1352.181727][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1352.182039][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 9 printk messages dropped ** [ 1352.182515][ T32] r4:8454db00 ** 4 printk messages dropped ** [ 1352.182685][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 4 printk messages dropped ** [ 1352.182868][ T32] r4:84e5aa80 [ 1352.182892][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.182923][ T32] INFO: task kworker/0:651:7643 blocked for more than 478 seconds. [ 1352.182957][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.182988][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.183036][ T32] task:kworker/0:651 state:D stack:0 pid:7643 tgid:7643 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.183084][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.183125][ T32] Call trace: [ 1352.183184][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.183238][ T32] r10:8291880c r9:edfc9d84 r8:00000002 r7:60000113 r6:edfc9d8c r5:8536bc00 [ 1352.183286][ T32] r4:8536bc00 [ 1352.183311][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.183377][ T32] r5:8536bc00 r4:82918808 [ 1352.183401][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.183439][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.183480][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edfc9e08 [ 1352.183501][ T32] r4:00000000 [ 1352.183520][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.183553][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.183589][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.183724][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85d07d00 [ 1352.183761][ T32] r4:00000000 [ 1352.183782][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.183826][ T32] r9:83018005 r8:8536bc00 r7:00000000 r6:83018000 r5:00001000 r4:7f8e1000 [ 1352.183846][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.183887][ T32] r5:00001000 r4:edfd1000 [ 1352.183906][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.183943][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.183991][ T32] r5:85c6a38c r4:85c6a000 [ 1352.184036][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.184084][ T32] r7:dddced80 r6:83018000 r5:85c6a38c r4:85d02400 [ 1352.184105][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.184147][ T32] r10:61c88647 r9:8536bc00 r8:85d0242c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.184170][ T32] r4:85d02400 [ 1352.184188][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.184229][ T32] r10:00000000 r9:85d02400 r8:8027f5e8 r7:edfb1e60 r6:85d02480 r5:8536bc00 [ 1352.184276][ T32] r4:00000001 [ 1352.184298][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.184336][ T32] Exception stack(0xedfc9fb0 to 0xedfc9ff8) [ 1352.184388][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.184447][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.184477][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.184530][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.184581][ T32] r4:85d07880 [ 1352.184911][ T32] INFO: task kworker/0:651:7643 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.184943][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.185027][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.185091][ T32] Call trace: [ 1352.185124][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.185171][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.185194][ T32] r4:00000000 [ 1352.185213][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.185262][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.185293][ T32] dd20: bb00e000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.185322][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.185348][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.185371][ T32] r5:80070013 r4:80239bb0 [ 1352.185416][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.185478][ T32] r4:82ac11a4 [ 1352.185526][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.185576][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.185626][ T32] r4:e884ddc0 [ 1352.185649][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.185693][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.185716][ T32] r4:00000000 [ 1352.185736][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.185785][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.185808][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.185855][ T32] r5:00001000 r4:e884f000 [ 1352.185876][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.185914][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.185955][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.186009][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.186162][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.186208][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.186339][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.186369][ T32] r4:8454db00 [ 1352.186390][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.186435][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.186472][ T32] r4:00000001 [ 1352.186496][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.186546][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 6 printk messages dropped ** [ 1352.186746][ T32] INFO: task kworker/0:652:7645 blocked for more than 478 seconds. ** 7 printk messages dropped ** [ 1352.187190][ T32] r4:85ccec00 ** 4 printk messages dropped ** [ 1352.187375][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edfd5e08 ** 9 printk messages dropped ** [ 1352.187846][ T32] r5:00001000 r4:edfe9000 [ 1352.187866][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1352.188067][ T32] r7:dddced80 r6:83018000 r5:85c6ab8c r4:85d02500 ** 9 printk messages dropped ** [ 1352.188477][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1352.189192][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1352.189627][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 9 printk messages dropped ** [ 1352.210957][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1352.211539][ T32] r5:84fe9f8c r4:84fe9c00 ** 4 printk messages dropped ** [ 1352.211911][ T32] r4:8454db00 ** 6 printk messages dropped ** [ 1352.212384][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1352.212772][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 8 printk messages dropped ** [ 1352.213472][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1352.214477][ T32] r5:00001000 r4:edfdd000 [ 1352.214520][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.214598][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.214690][ T32] r5:85c6a78c r4:85c6a400 [ 1352.214730][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.214834][ T32] r7:dddced80 r6:83018000 r5:85c6a78c r4:85d02600 [ 1352.214887][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.214973][ T32] r10:61c88647 r9:85cd0000 r8:85d0262c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.215013][ T32] r4:85d02600 [ 1352.215047][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.215124][ T32] r10:00000000 r9:85d02600 r8:8027f5e8 r7:edfd5e60 r6:85d02680 r5:85cd0000 [ 1352.215246][ T32] r4:00000001 [ 1352.215295][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.215374][ T32] Exception stack(0xedfe1fb0 to 0xedfe1ff8) [ 1352.215429][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.215490][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.215543][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.215605][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.215656][ T32] r4:85d07dc0 [ 1352.216500][ T32] INFO: task kworker/0:653:7647 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.216570][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.216706][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.216822][ T32] Call trace: [ 1352.216923][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.217077][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.217135][ T32] r4:00000000 [ 1352.217193][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.217277][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.217334][ T32] dd20: bb1be000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.217411][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.217468][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.217518][ T32] r5:80070013 r4:80239bb0 [ 1352.217560][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.217666][ T32] r4:82ac11a4 [ 1352.217713][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.217822][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.217885][ T32] r4:e884ddc0 [ 1352.217925][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.218024][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.218087][ T32] r4:00000000 [ 1352.218152][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.218268][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.218317][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.218400][ T32] r5:00001000 r4:e884f000 [ 1352.218440][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.218518][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.218600][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.218641][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.218727][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.218770][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.218856][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.218901][ T32] r4:8454db00 [ 1352.218960][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.219063][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.219125][ T32] r4:00000001 [ 1352.219172][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.219279][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.219341][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.219413][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.219474][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.219533][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.219581][ T32] r4:84e5aa80 [ 1352.219624][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.219678][ T32] INFO: task kworker/0:654:7649 blocked for more than 478 seconds. [ 1352.219817][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.244955][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.245068][ T32] task:kworker/0:654 state:D stack:0 pid:7649 tgid:7649 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.245220][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.245342][ T32] Call trace: [ 1352.245440][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.245577][ T32] r10:8291880c r9:edfedd84 r8:00000002 r7:60000113 r6:edfedd8c r5:85cd0c00 [ 1352.245634][ T32] r4:85cd0c00 [ 1352.245680][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.245778][ T32] r5:85cd0c00 r4:82918808 [ 1352.245826][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 4 printk messages dropped ** [ 1352.246180][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1352.246696][ T32] r5:00001000 r4:edff5000 [ 1352.246749][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1352.246909][ T32] r5:85c6af8c r4:85c6ac00 ** 3 printk messages dropped ** [ 1352.247186][ T32] r10:61c88647 r9:85cd0c00 r8:85d0272c r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1352.247837][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1352.249216][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.249426][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 3 printk messages dropped ** [ 1352.249554][ T32] r4:82ac11a4 [ 1352.249574][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.249620][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.249643][ T32] r4:e884ddc0 [ 1352.249688][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.249753][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.249869][ T32] r4:00000000 [ 1352.262768][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.262865][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.262917][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.262975][ T32] r5:00001000 r4:e884f000 [ 1352.262998][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.263061][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.263110][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.263155][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.263256][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.263282][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.263329][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.263377][ T32] r4:8454db00 [ 1352.263401][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.263447][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.263469][ T32] r4:00000001 [ 1352.263488][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.263523][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.263553][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.263582][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.263659][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.263718][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.263768][ T32] r4:84e5aa80 [ 1352.263812][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.263846][ T32] INFO: task kworker/0:655:7651 blocked for more than 478 seconds. [ 1352.263906][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.263938][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.263987][ T32] task:kworker/0:655 state:D stack:0 pid:7651 tgid:7651 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.264058][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.264102][ T32] Call trace: [ 1352.264135][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.264186][ T32] r10:8291880c r9:edff9d84 r8:00000002 r7:60000113 r6:edff9d8c r5:85cd1800 [ 1352.264209][ T32] r4:85cd1800 [ 1352.264228][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.264266][ T32] r5:85cd1800 r4:82918808 [ 1352.264285][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.264321][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.264362][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:edff9e08 [ 1352.264385][ T32] r4:00000000 [ 1352.264404][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.264466][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.264536][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.264610][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bfe0c0 ** 4 printk messages dropped ** [ 1352.264793][ T32] r5:00001000 r4:ee001000 [ 1352.264817][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.264856][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1352.265133][ T32] r10:61c88647 r9:85cd1800 r8:85d0282c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1352.265452][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1352.266472][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 10 printk messages dropped ** [ 1352.267211][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 9 printk messages dropped ** [ 1352.267634][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 8 printk messages dropped ** [ 1352.268037][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1352.268275][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 10 printk messages dropped ** [ 1352.268883][ T32] r4:85cd2400 ** 4 printk messages dropped ** [ 1352.269041][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee005e08 ** 8 printk messages dropped ** [ 1352.269455][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.269552][ T32] r5:00001000 r4:ee00d000 ** 3 printk messages dropped ** [ 1352.291023][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1352.291748][ T32] Exception stack(0xee005fb0 to 0xee005ff8) ** 6 printk messages dropped ** [ 1352.293027][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1352.293979][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1352.294391][ T32] r4:00000000 ** 5 printk messages dropped ** [ 1352.294773][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1352.295184][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 10 printk messages dropped ** [ 1352.295841][ T32] INFO: task kworker/0:657:7655 blocked for more than 478 seconds. ** 7 printk messages dropped ** [ 1352.296340][ T32] r4:85cd3000 ** 2 printk messages dropped ** [ 1352.296489][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.296555][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.296632][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee011e08 [ 1352.296674][ T32] r4:00000000 [ 1352.296710][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.296773][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.296840][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.296919][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bfe4c0 [ 1352.296962][ T32] r4:00000000 [ 1352.297008][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.297088][ T32] r9:83018005 r8:85cd3000 r7:00000000 r6:83018000 r5:00001000 r4:7f8ed000 [ 1352.297149][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.297235][ T32] r5:00001000 r4:ee019000 [ 1352.297277][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.297349][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.297429][ T32] r5:85c6bb8c r4:85c6b800 [ 1352.297471][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.297555][ T32] r7:dddced80 r6:83018000 r5:85c6bb8c r4:85d02a00 [ 1352.297593][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.297675][ T32] r10:61c88647 r9:85cd3000 r8:85d02a2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.297718][ T32] r4:85d02a00 [ 1352.297755][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.297834][ T32] r10:00000000 r9:85d02a00 r8:8027f5e8 r7:ee005e60 r6:85d02a80 r5:85cd3000 [ 1352.297900][ T32] r4:00000001 [ 1352.298006][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.298094][ T32] Exception stack(0xee011fb0 to 0xee011ff8) [ 1352.298161][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.298237][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.298292][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.298345][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.298386][ T32] r4:85bfe200 [ 1352.298974][ T32] INFO: task kworker/0:657:7655 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.299031][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.299194][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.299276][ T32] Call trace: [ 1352.299347][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.299436][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.299478][ T32] r4:00000000 [ 1352.299515][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.299583][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.299636][ T32] dd20: bb9ec000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.299691][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.299802][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.330364][ T32] r5:80070013 r4:80239bb0 [ 1352.330466][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.330588][ T32] r4:82ac11a4 [ 1352.330628][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.330716][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.330781][ T32] r4:e884ddc0 [ 1352.330827][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.330930][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.330987][ T32] r4:00000000 [ 1352.331060][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.331153][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.331195][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.331376][ T32] r5:00001000 r4:e884f000 [ 1352.331473][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.331560][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.331648][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.331704][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.331810][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.331870][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.331962][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.332020][ T32] r4:8454db00 [ 1352.332060][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.332162][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.332220][ T32] r4:00000001 [ 1352.332260][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.332347][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 1 printk messages dropped ** [ 1352.332464][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1352.332963][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 8 printk messages dropped ** [ 1352.333635][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 11 printk messages dropped ** [ 1352.334531][ T32] r5:00001000 r4:ee025000 [ 1352.334570][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1352.334769][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1352.335423][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1352.336872][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 7 printk messages dropped ** [ 1352.337344][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 11 printk messages dropped ** [ 1352.338177][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 8 printk messages dropped ** [ 1352.338798][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 7 printk messages dropped ** [ 1352.339387][ T32] r4:84e5aa80 ** 5 printk messages dropped ** [ 1352.339751][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1352.372317][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1352.373186][ T32] r5:00001000 r4:ee031000 [ 1352.373234][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1352.373438][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.373523][ T32] r7:dddced80 r6:83018000 r5:85c7038c r4:85d02c00 [ 1352.373566][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.373649][ T32] r10:61c88647 r9:85cd4800 r8:85d02c2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.373691][ T32] r4:85d02c00 [ 1352.373759][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.373863][ T32] r10:00000000 r9:85d02c00 r8:8027f5e8 r7:ee01de60 r6:85d02c80 r5:85cd4800 [ 1352.373912][ T32] r4:00000001 [ 1352.373951][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.374034][ T32] Exception stack(0xee029fb0 to 0xee029ff8) [ 1352.374090][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.374144][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.374224][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.374284][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.374327][ T32] r4:85bfe440 [ 1352.375219][ T32] INFO: task kworker/0:659:7659 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.375283][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.375438][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.375522][ T32] Call trace: [ 1352.375611][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.375701][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.375759][ T32] r4:00000000 [ 1352.375803][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.375874][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.375927][ T32] dd20: bc04d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.375987][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.376054][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.376107][ T32] r5:80070013 r4:80239bb0 [ 1352.376147][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.376229][ T32] r4:82ac11a4 [ 1352.376268][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.376353][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.376396][ T32] r4:e884ddc0 [ 1352.376434][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.376514][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.376553][ T32] r4:00000000 [ 1352.376591][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.376672][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.376714][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.376789][ T32] r5:00001000 r4:e884f000 [ 1352.376827][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.376913][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.377007][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.377070][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.377165][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.377206][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.377291][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.377352][ T32] r4:8454db00 [ 1352.377412][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.377499][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.377541][ T32] r4:00000001 [ 1352.377606][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.377678][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.377728][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.377833][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.377895][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.378029][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.378109][ T32] r4:84e5aa80 [ 1352.378155][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.378243][ T32] INFO: task kworker/0:660:7661 blocked for more than 478 seconds. [ 1352.378366][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.378419][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.378462][ T32] task:kworker/0:660 state:D stack:0 pid:7661 tgid:7661 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.378541][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1352.378858][ T32] r4:85cd6000 ** 5 printk messages dropped ** [ 1352.379261][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1352.379689][ T32] r9:83018005 r8:85cd6000 r7:00000000 r6:83018000 r5:00001000 r4:7f88f000 ** 1 printk messages dropped ** [ 1352.400681][ T32] r5:00001000 r4:ed12b000 [ 1352.400760][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.400896][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 4 printk messages dropped ** [ 1352.401273][ T32] r10:61c88647 r9:85cd6000 r8:85d02d2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1352.401697][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1352.403234][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1352.403748][ T32] r4:82ac11a4 ** 3 printk messages dropped ** [ 1352.404001][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 9 printk messages dropped ** [ 1352.404692][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1352.405116][ T32] r4:00000001 ** 6 printk messages dropped ** [ 1352.405514][ T32] r4:84e5aa80 ** 3 printk messages dropped ** [ 1352.405712][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1352.406429][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 8 printk messages dropped ** [ 1352.406969][ T32] r9:83018005 r8:85ce0000 r7:00000000 r6:83018000 r5:00001000 r4:7f88d000 ** 1 printk messages dropped ** [ 1352.407042][ T32] r5:00001000 r4:dfd95000 ** 2 printk messages dropped ** [ 1352.407142][ T32] r5:85c7078c r4:85c70400 ** 3 printk messages dropped ** [ 1352.407308][ T32] r10:61c88647 r9:85ce0000 r8:85d02e2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.407352][ T32] r4:85d02e00 [ 1352.407380][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.407424][ T32] r10:00000000 r9:85d02e00 r8:8027f5e8 r7:edfbde60 r6:85d02e80 r5:85ce0000 [ 1352.407473][ T32] r4:00000001 [ 1352.407588][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.407652][ T32] Exception stack(0xee041fb0 to 0xee041ff8) [ 1352.407711][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.407742][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.407771][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.407921][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.407947][ T32] r4:85bfe880 [ 1352.408303][ T32] INFO: task kworker/0:661:7663 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.408340][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.408397][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.408442][ T32] Call trace: [ 1352.408473][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.408519][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.408543][ T32] r4:00000000 [ 1352.408563][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.408599][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.408626][ T32] dd20: bc280000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.408654][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.408744][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.408772][ T32] r5:80070013 r4:80239bb0 [ 1352.408792][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.408853][ T32] r4:82ac11a4 [ 1352.408911][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.408962][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.408990][ T32] r4:e884ddc0 [ 1352.409010][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.409264][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.409318][ T32] r4:00000000 [ 1352.409365][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.409418][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.409551][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.409706][ T32] r5:00001000 r4:e884f000 [ 1352.409736][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.409841][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.432210][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.432257][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.432329][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.432351][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.432398][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.432421][ T32] r4:8454db00 [ 1352.432442][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.432507][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.432538][ T32] r4:00000001 [ 1352.432560][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.432599][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.432631][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.432660][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.432700][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.432856][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.432882][ T32] r4:84e5aa80 [ 1352.432907][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.432939][ T32] INFO: task kworker/0:662:7665 blocked for more than 478 seconds. [ 1352.432979][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.433005][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.433028][ T32] task:kworker/0:662 state:D stack:0 pid:7665 tgid:7665 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.433085][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.433129][ T32] Call trace: [ 1352.433164][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.433240][ T32] r10:8291880c r9:ee045d84 r8:00000002 r7:60000113 r6:ee045d8c r5:85ce1800 [ 1352.433267][ T32] r4:85ce1800 [ 1352.433288][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.433328][ T32] r5:85ce1800 r4:82918808 [ 1352.433348][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.433385][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.433455][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee045e08 [ 1352.433504][ T32] r4:00000000 [ 1352.433527][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.433564][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 4 printk messages dropped ** [ 1352.433795][ T32] r9:83018005 r8:85ce1800 r7:00000000 r6:83018000 r5:00001000 r4:7f895000 ** 1 printk messages dropped ** [ 1352.433857][ T32] r5:00001000 r4:edb71000 [ 1352.433877][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1352.434080][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1352.434642][ T32] Exception stack(0xee045fb0 to 0xee045ff8) ** 7 printk messages dropped ** [ 1352.435666][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1352.435817][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1352.435955][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1352.436301][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1352.436873][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1352.437092][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 7 printk messages dropped ** [ 1352.437446][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1352.437762][ T32] r4:85ce2400 ** 4 printk messages dropped ** [ 1352.437924][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee049e08 ** 7 printk messages dropped ** [ 1352.438265][ T32] r9:83018005 r8:85ce2400 r7:00000000 r6:83018000 r5:00001000 r4:7f891000 ** 1 printk messages dropped ** [ 1352.438367][ T32] r5:00001000 r4:edad1000 ** 3 printk messages dropped ** [ 1352.438542][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1352.438974][ T32] Exception stack(0xee049fb0 to 0xee049ff8) ** 4 printk messages dropped ** [ 1352.439173][ T32] r4:85bfe700 ** 4 printk messages dropped ** [ 1352.439686][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 8 printk messages dropped ** [ 1352.464209][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1352.465506][ T32] r5:00001000 r4:e884f000 ** 6 printk messages dropped ** [ 1352.465984][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1352.466604][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1352.467093][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.467181][ T32] Call trace: [ 1352.467262][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.467356][ T32] r10:8291880c r9:ee035d84 r8:00000002 r7:60000113 r6:ee035d8c r5:85ce3000 [ 1352.467383][ T32] r4:85ce3000 [ 1352.467403][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.467444][ T32] r5:85ce3000 r4:82918808 [ 1352.467490][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.467531][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.467573][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee035e08 [ 1352.467631][ T32] r4:00000000 [ 1352.467654][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.467690][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.467728][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.467771][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85d07f80 [ 1352.467828][ T32] r4:00000000 [ 1352.467851][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.467896][ T32] r9:83018005 r8:85ce3000 r7:00000000 r6:83018000 r5:00001000 r4:7f8f3000 [ 1352.467917][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.468091][ T32] r5:00001000 r4:edb93000 [ 1352.468161][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.468254][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.468300][ T32] r5:85c7178c r4:85c71400 [ 1352.468320][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.468362][ T32] r7:dddced80 r6:83018000 r5:85c7178c r4:85bf7100 [ 1352.468414][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.468464][ T32] r10:61c88647 r9:85ce3000 r8:85bf712c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.468486][ T32] r4:85bf7100 [ 1352.468522][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.468568][ T32] r10:00000000 r9:85bf7100 r8:8027f5e8 r7:ee045e60 r6:85bf7180 r5:85ce3000 [ 1352.468590][ T32] r4:00000001 [ 1352.468608][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.468643][ T32] Exception stack(0xee035fb0 to 0xee035ff8) [ 1352.468689][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.468723][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.468754][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.468783][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.468805][ T32] r4:85bfee80 [ 1352.469319][ T32] INFO: task kworker/0:664:7669 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.469366][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.469429][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.469473][ T32] Call trace: [ 1352.469503][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.469551][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.469574][ T32] r4:00000000 [ 1352.469593][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.469629][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.469656][ T32] dd20: bca6b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.469684][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.469708][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.469730][ T32] r5:80070013 r4:80239bb0 [ 1352.469810][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.482097][ T32] r4:82ac11a4 [ 1352.482157][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.482283][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.482335][ T32] r4:e884ddc0 [ 1352.482421][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.482474][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.482543][ T32] r4:00000000 [ 1352.482570][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.482645][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.482670][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.482765][ T32] r5:00001000 r4:e884f000 [ 1352.482793][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.482834][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.482892][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.482915][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.482984][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.483010][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.483062][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.483116][ T32] r4:8454db00 [ 1352.483165][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.483249][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 5 printk messages dropped ** [ 1352.483441][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1352.483707][ T32] task:kworker/0:665 state:D stack:0 pid:7671 tgid:7671 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1352.484253][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1352.484660][ T32] r5:00001000 r4:edbbf000 [ 1352.484720][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1352.484884][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1352.485304][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1352.485522][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1352.486419][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1352.486823][ T32] dd20: bca6b000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 9 printk messages dropped ** [ 1352.487458][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1352.488072][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 8 printk messages dropped ** [ 1352.488468][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1352.488706][ T32] task:kworker/0:666 state:D stack:0 pid:7674 tgid:7674 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1352.489223][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee051e08 [ 1352.489305][ T32] r4:00000000 [ 1352.489328][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.489365][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.489432][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.489479][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85be60c0 [ 1352.489530][ T32] r4:00000000 [ 1352.489552][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.489596][ T32] r9:83018005 r8:85ce4800 r7:00000000 r6:83018000 r5:00001000 r4:7f8f7000 [ 1352.489617][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.489671][ T32] r5:00001000 r4:edbdb000 [ 1352.489736][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.489788][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.507575][ T32] r5:85c71f8c r4:85c71c00 [ 1352.507671][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.507788][ T32] r7:dddced80 r6:83018000 r5:85c71f8c r4:85bf7300 [ 1352.507850][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.507902][ T32] r10:61c88647 r9:85ce4800 r8:85bf732c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.507925][ T32] r4:85bf7300 [ 1352.507998][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.508095][ T32] r10:00000000 r9:85bf7300 r8:8027f5e8 r7:ee04de60 r6:85bf7380 r5:85ce4800 [ 1352.508124][ T32] r4:00000001 [ 1352.508146][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.508212][ T32] Exception stack(0xee051fb0 to 0xee051ff8) [ 1352.508245][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.508305][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.508336][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.508367][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.508439][ T32] r4:85be6000 [ 1352.508934][ T32] INFO: task kworker/0:666:7674 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.509105][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.509255][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.509353][ T32] Call trace: [ 1352.509405][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.509515][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.509548][ T32] r4:00000000 [ 1352.509618][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.509695][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.509810][ T32] dd20: bd27f000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.515456][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.515538][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.515619][ T32] r5:80070013 r4:80239bb0 [ 1352.515647][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.515769][ T32] r4:82ac11a4 [ 1352.515842][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.515927][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.515953][ T32] r4:e884ddc0 [ 1352.515973][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.516019][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.516084][ T32] r4:00000000 [ 1352.516122][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.516171][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.516227][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.516305][ T32] r5:00001000 r4:e884f000 [ 1352.516358][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.516401][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.516470][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.516493][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.516544][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.516565][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.516609][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.516668][ T32] r4:8454db00 [ 1352.516692][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.516756][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.516799][ T32] r4:00000001 [ 1352.516853][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.516929][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.516959][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.516991][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.517020][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.517085][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.517111][ T32] r4:84e5aa80 [ 1352.517168][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.517202][ T32] INFO: task kworker/0:667:7675 blocked for more than 478 seconds. [ 1352.517237][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.517261][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.517354][ T32] task:kworker/0:667 state:D stack:0 pid:7675 tgid:7675 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.517454][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.517499][ T32] Call trace: ** 2 printk messages dropped ** [ 1352.517702][ T32] r4:85ce5400 ** 4 printk messages dropped ** [ 1352.517953][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee055e08 ** 4 printk messages dropped ** [ 1352.518186][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85be6380 ** 4 printk messages dropped ** [ 1352.518386][ T32] r5:00001000 r4:edc03000 [ 1352.518438][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1352.518677][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1352.518987][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1352.533425][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1352.533766][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1352.533974][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1352.534428][ T32] r5:84fe9f8c r4:84fe9c00 ** 3 printk messages dropped ** [ 1352.534747][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1352.535143][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1352.535420][ T32] Call trace: ** 5 printk messages dropped ** [ 1352.535753][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1352.536168][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.536340][ T32] r5:00001000 r4:edc2b000 [ 1352.536362][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1352.536626][ T32] r10:61c88647 r9:85ce6c00 r8:85bf752c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1352.536972][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1352.537716][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 4 printk messages dropped ** [ 1352.537911][ T32] dd20: bd920000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.537939][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.537986][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.538014][ T32] r5:80070013 r4:80239bb0 [ 1352.538043][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.538087][ T32] r4:82ac11a4 [ 1352.538133][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.538221][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.538278][ T32] r4:e884ddc0 [ 1352.538303][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.538347][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.538369][ T32] r4:00000000 [ 1352.538389][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.538448][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.538473][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.538558][ T32] r5:00001000 r4:e884f000 [ 1352.538581][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.538621][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.538689][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.538712][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.538758][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.538781][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.538827][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.538849][ T32] r4:8454db00 [ 1352.538867][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.538908][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.538930][ T32] r4:00000001 [ 1352.538948][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.539011][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.539057][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.539090][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.539116][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.539144][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.539195][ T32] r4:84e5aa80 [ 1352.539218][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.539244][ T32] INFO: task kworker/0:669:7678 blocked for more than 479 seconds. [ 1352.539304][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.539362][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.539436][ T32] task:kworker/0:669 state:D stack:0 pid:7678 tgid:7678 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.539513][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.539554][ T32] Call trace: [ 1352.539584][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.539630][ T32] r10:8291880c r9:ee05dd84 r8:00000002 r7:60000113 r6:ee05dd8c r5:85ce0c00 [ 1352.539652][ T32] r4:85ce0c00 [ 1352.539671][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.539778][ T32] r5:85ce0c00 r4:82918808 [ 1352.558629][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.558717][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.558764][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee05de08 [ 1352.558787][ T32] r4:00000000 [ 1352.558807][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.558876][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.558956][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.559004][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85be66c0 [ 1352.559033][ T32] r4:00000000 [ 1352.559053][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.559099][ T32] r9:83018005 r8:85ce0c00 r7:00000000 r6:83018000 r5:00001000 r4:7f8fd000 [ 1352.559151][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.559256][ T32] r5:00001000 r4:edc47000 [ 1352.559280][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.559320][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.559388][ T32] r5:85c72b8c r4:85c72800 [ 1352.559411][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.559459][ T32] r7:dddced80 r6:83018000 r5:85c72b8c r4:85bf7600 [ 1352.559482][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.559558][ T32] r10:61c88647 r9:85ce0c00 r8:85bf762c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.559583][ T32] r4:85bf7600 [ 1352.559603][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.559646][ T32] r10:00000000 r9:85bf7600 r8:8027f5e8 r7:df98de60 r6:85bf7680 r5:85ce0c00 [ 1352.559668][ T32] r4:00000001 [ 1352.559686][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.559722][ T32] Exception stack(0xee05dfb0 to 0xee05dff8) [ 1352.559776][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.559878][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.570622][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.570687][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.570713][ T32] r4:85be6340 [ 1352.571211][ T32] INFO: task kworker/0:669:7678 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.571247][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.571405][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.571470][ T32] Call trace: [ 1352.571531][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.571596][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.571624][ T32] r4:00000000 [ 1352.571646][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 3 printk messages dropped ** [ 1352.571792][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1352.572142][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 7 printk messages dropped ** [ 1352.572448][ T32] r5:84fe9f8c r4:84fe9c00 ** 4 printk messages dropped ** [ 1352.572660][ T32] r4:8454db00 ** 5 printk messages dropped ** [ 1352.572955][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1352.573247][ T32] task:kworker/0:670 state:D stack:0 pid:7682 tgid:7682 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1352.573846][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.574085][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85be6900 ** 4 printk messages dropped ** [ 1352.574416][ T32] r5:00001000 r4:edc7b000 ** 3 printk messages dropped ** [ 1352.574593][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 9 printk messages dropped ** [ 1352.575105][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 1 printk messages dropped ** [ 1352.575168][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.575196][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.575234][ T32] r4:85be6840 [ 1352.575572][ T32] INFO: task kworker/0:670:7682 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.575605][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.575662][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.575706][ T32] Call trace: [ 1352.575750][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.575799][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.575822][ T32] r4:00000000 [ 1352.575841][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.575876][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.575903][ T32] dd20: be4ac000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.575930][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.575954][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.575978][ T32] r5:80070013 r4:80239bb0 [ 1352.575997][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.576068][ T32] r4:82ac11a4 [ 1352.576147][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.576207][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.576230][ T32] r4:e884ddc0 [ 1352.576269][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.576318][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.576340][ T32] r4:00000000 [ 1352.576359][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.576415][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.576465][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.576525][ T32] r5:00001000 r4:e884f000 [ 1352.576546][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.576587][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.576628][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.576648][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.576692][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.576712][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.576756][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.576798][ T32] r4:8454db00 [ 1352.576830][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.576878][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.576900][ T32] r4:00000001 [ 1352.576919][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.576954][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.577009][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.577046][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.577120][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.577182][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.577207][ T32] r4:84e5aa80 [ 1352.577257][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.577291][ T32] INFO: task kworker/0:671:7683 blocked for more than 479 seconds. [ 1352.577320][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.577343][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.577364][ T32] task:kworker/0:671 state:D stack:0 pid:7683 tgid:7683 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.577408][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.577447][ T32] Call trace: ** 3 printk messages dropped ** [ 1352.577693][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 8 printk messages dropped ** [ 1352.578246][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85be6800 ** 4 printk messages dropped ** [ 1352.578435][ T32] r5:00001000 r4:edc5f000 [ 1352.578492][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.578547][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.578590][ T32] r5:85c72f8c r4:85c72c00 [ 1352.578643][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.578689][ T32] r7:dddced80 r6:83018000 r5:85c72f8c r4:85bf7800 [ 1352.578710][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.578791][ T32] r10:61c88647 r9:85cd6c00 r8:85bf782c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.578817][ T32] r4:85bf7800 [ 1352.578836][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.578906][ T32] r10:00000000 r9:85bf7800 r8:8027f5e8 r7:ee059e60 r6:85bf7880 r5:85cd6c00 [ 1352.578978][ T32] r4:00000001 [ 1352.579000][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.579077][ T32] Exception stack(0xee061fb0 to 0xee061ff8) [ 1352.579106][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.579166][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.579212][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.579273][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.579333][ T32] r4:85be6680 [ 1352.579668][ T32] INFO: task kworker/0:671:7683 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.579812][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.601301][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.601439][ T32] Call trace: [ 1352.601513][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.601597][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.601629][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1352.601732][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 5 printk messages dropped ** [ 1352.602083][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1352.602443][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1352.602720][ T32] r5:84fe9f8c r4:84fe9c00 ** 4 printk messages dropped ** [ 1352.602984][ T32] r4:8454db00 ** 5 printk messages dropped ** [ 1352.603297][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1352.603746][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 9 printk messages dropped ** [ 1352.604294][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1352.604795][ T32] r5:00001000 r4:edc93000 [ 1352.604815][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1352.604952][ T32] r5:85c7378c r4:85c73400 ** 2 printk messages dropped ** [ 1352.605075][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1352.605508][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1352.606365][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1352.606819][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1352.607054][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 9 printk messages dropped ** [ 1352.607425][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 1 printk messages dropped ** [ 1352.607526][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.607552][ T32] r4:8454db00 [ 1352.607572][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.607615][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.607637][ T32] r4:00000001 [ 1352.607656][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.607722][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.607752][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.607838][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.607869][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.607898][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.607940][ T32] r4:84e5aa80 [ 1352.608056][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.608089][ T32] INFO: task kworker/0:673:7688 blocked for more than 479 seconds. [ 1352.608143][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.608169][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.608191][ T32] task:kworker/0:673 state:D stack:0 pid:7688 tgid:7688 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.608267][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.608338][ T32] Call trace: [ 1352.608369][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.608417][ T32] r10:8291880c r9:ee069d84 r8:00000002 r7:60000013 r6:ee069d8c r5:84c68000 [ 1352.608468][ T32] r4:84c68000 [ 1352.608492][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.608532][ T32] r5:84c68000 r4:82918808 [ 1352.608551][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.608585][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.608658][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee069e08 [ 1352.608718][ T32] r4:00000000 [ 1352.608741][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.608780][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.608832][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.608884][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85be6c40 [ 1352.608907][ T32] r4:00000000 [ 1352.608927][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.608971][ T32] r9:83018005 r8:84c68000 r7:00000000 r6:83018000 r5:00001000 r4:7f905000 [ 1352.608992][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.609075][ T32] r5:00001000 r4:edcad000 [ 1352.609127][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.609169][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.609210][ T32] r5:85c73b8c r4:85c73800 [ 1352.609228][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.609270][ T32] r7:dddced80 r6:83018000 r5:85c73b8c r4:85bf7a00 [ 1352.609295][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.609340][ T32] r10:61c88647 r9:84c68000 r8:85bf7a2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.609366][ T32] r4:85bf7a00 [ 1352.609389][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.609433][ T32] r10:00000000 r9:85bf7a00 r8:8027f5e8 r7:ee065e60 r6:85bf7a80 r5:84c68000 [ 1352.609458][ T32] r4:00000001 [ 1352.609489][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.609528][ T32] Exception stack(0xee069fb0 to 0xee069ff8) [ 1352.609576][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.609635][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.609682][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.609712][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.609803][ T32] r4:85be6980 [ 1352.630849][ T32] INFO: task kworker/0:673:7688 is blocked on a mutex likely owned by task kworker/1:174:3878. ** 1 printk messages dropped ** [ 1352.631021][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1352.631360][ T32] dd20: befaf000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 9 printk messages dropped ** [ 1352.631815][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 7 printk messages dropped ** [ 1352.632122][ T32] r5:84fe9f8c r4:84fe9c00 ** 4 printk messages dropped ** [ 1352.632346][ T32] r4:8454db00 ** 5 printk messages dropped ** [ 1352.632547][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1352.632891][ T32] task:kworker/0:674 state:D stack:0 pid:7689 tgid:7689 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1352.633649][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1352.633970][ T32] r5:00001000 r4:edccf000 [ 1352.634003][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1352.634147][ T32] r5:85c73f8c r4:85c73c00 ** 2 printk messages dropped ** [ 1352.634468][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1352.634813][ T32] 1fa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1352.635460][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1352.635872][ T32] dd20: befaf000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 9 printk messages dropped ** [ 1352.636314][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1352.636874][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1352.637256][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1352.637583][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 6 printk messages dropped ** [ 1352.637942][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 8 printk messages dropped ** [ 1352.638513][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85be6f80 ** 4 printk messages dropped ** [ 1352.638687][ T32] r5:00001000 r4:edceb000 [ 1352.638705][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1352.638843][ T32] r7:dddced80 r6:83018000 r5:8508c38c r4:85bf7c00 ** 5 printk messages dropped ** [ 1352.639060][ T32] r4:00000001 [ 1352.639100][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.639144][ T32] Exception stack(0xee075fb0 to 0xee075ff8) [ 1352.639170][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.639197][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.639223][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.639250][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.639279][ T32] r4:85be6c80 [ 1352.639609][ T32] INFO: task kworker/0:675:7692 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.639641][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.639703][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.667551][ T32] Call trace: [ 1352.667646][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.667766][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.667796][ T32] r4:00000000 [ 1352.667818][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.667860][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.667919][ T32] dd20: bf80b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.667955][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.668008][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.668059][ T32] r5:80070013 r4:80239bb0 [ 1352.668083][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.668132][ T32] r4:82ac11a4 [ 1352.668153][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.668229][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.668255][ T32] r4:e884ddc0 [ 1352.668278][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.668326][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.668378][ T32] r4:00000000 [ 1352.668430][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.668481][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.668503][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.668578][ T32] r5:00001000 r4:e884f000 [ 1352.668603][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.668643][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.668686][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.668705][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.668750][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.668770][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.668847][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.668903][ T32] r4:8454db00 [ 1352.668930][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.668976][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.668998][ T32] r4:00000001 [ 1352.669034][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.669103][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.669162][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.669193][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.669220][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.669248][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.669269][ T32] r4:84e5aa80 [ 1352.669292][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.669360][ T32] INFO: task kworker/0:676:7694 blocked for more than 479 seconds. [ 1352.669400][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.669425][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.669447][ T32] task:kworker/0:676 state:D stack:0 pid:7694 tgid:7694 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.669499][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.669551][ T32] Call trace: [ 1352.669610][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.669660][ T32] r10:8291880c r9:ee079d84 r8:00000002 r7:60000013 r6:ee079d8c r5:84c6a400 [ 1352.669682][ T32] r4:84c6a400 [ 1352.669702][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.669740][ T32] r5:84c6a400 r4:82918808 [ 1352.669810][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.674917][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.675007][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee079e08 [ 1352.675065][ T32] r4:00000000 [ 1352.675091][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.675215][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.675274][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.675326][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a67180 [ 1352.675349][ T32] r4:00000000 [ 1352.675368][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.675454][ T32] r9:83018005 r8:84c6a400 r7:00000000 r6:83018000 r5:00001000 r4:7f90d000 [ 1352.675480][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.675587][ T32] r5:00001000 r4:edd27000 [ 1352.675611][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.675654][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.675697][ T32] r5:8508cb8c r4:8508c800 [ 1352.675717][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.675763][ T32] r7:dddced80 r6:83018000 r5:8508cb8c r4:85bf7d00 [ 1352.675784][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.675829][ T32] r10:61c88647 r9:84c6a400 r8:85bf7d2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.675851][ T32] r4:85bf7d00 [ 1352.675870][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.675912][ T32] r10:00000000 r9:85bf7d00 r8:8027f5e8 r7:ee075e60 r6:85bf7d80 r5:84c6a400 [ 1352.675934][ T32] r4:00000001 [ 1352.675952][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.676014][ T32] Exception stack(0xee079fb0 to 0xee079ff8) [ 1352.676080][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.676110][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.676136][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.676178][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.676237][ T32] r4:85be6d80 [ 1352.676763][ T32] INFO: task kworker/0:676:7694 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.676823][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.676898][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.676946][ T32] Call trace: [ 1352.677044][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.677097][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.677150][ T32] r4:00000000 [ 1352.677174][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) ** 3 printk messages dropped ** [ 1352.677376][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 5 printk messages dropped ** [ 1352.677741][ T32] r4:e884ddc0 ** 2 printk messages dropped ** [ 1352.677875][ T32] r4:00000000 [ 1352.677895][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.677940][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.677999][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.678058][ T32] r5:00001000 r4:e884f000 [ 1352.678108][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.678151][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.678265][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.678323][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.678394][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.678458][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.678531][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.678556][ T32] r4:8454db00 [ 1352.678617][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.678665][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.678723][ T32] r4:00000001 [ 1352.678745][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.678781][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.678807][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.678855][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.678885][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.678913][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.678935][ T32] r4:84e5aa80 [ 1352.678977][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.679010][ T32] INFO: task kworker/0:677:7695 blocked for more than 479 seconds. [ 1352.679051][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.679076][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.679098][ T32] task:kworker/0:677 state:D stack:0 pid:7695 tgid:7695 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.679179][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.679221][ T32] Call trace: [ 1352.679316][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.679371][ T32] r10:8291880c r9:ee06dd84 r8:00000002 r7:60000113 r6:ee06dd8c r5:84c6b000 [ 1352.679433][ T32] r4:84c6b000 [ 1352.679457][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.679526][ T32] r5:84c6b000 r4:82918808 [ 1352.679549][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.679585][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.679651][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee06de08 [ 1352.679677][ T32] r4:00000000 [ 1352.679729][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.679822][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.697519][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.697615][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85d048c0 [ 1352.697668][ T32] r4:00000000 [ 1352.697722][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.697774][ T32] r9:83018005 r8:84c6b000 r7:00000000 r6:83018000 r5:00001000 r4:7f90b000 [ 1352.697819][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.697885][ T32] r5:00001000 r4:edd05000 [ 1352.697906][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.697946][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.698019][ T32] r5:8508c78c r4:8508c400 [ 1352.698054][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.698102][ T32] r7:dddced80 r6:83018000 r5:8508c78c r4:85bf7e00 [ 1352.698123][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.698167][ T32] r10:61c88647 r9:84c6b000 r8:85bf7e2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.698228][ T32] r4:85bf7e00 [ 1352.698268][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.698322][ T32] r10:00000000 r9:85bf7e00 r8:8027f5e8 r7:ee079e60 r6:85bf7e80 r5:84c6b000 ** 7 printk messages dropped ** [ 1352.698651][ T32] r4:85be6f00 ** 2 printk messages dropped ** [ 1352.699329][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1352.699630][ T32] dd20: bfe7e000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 7 printk messages dropped ** [ 1352.705280][ T32] r4:e884ddc0 ** 6 printk messages dropped ** [ 1352.705636][ T32] r5:00001000 r4:e884f000 ** 6 printk messages dropped ** [ 1352.705998][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1352.706170][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 7 printk messages dropped ** [ 1352.706579][ T32] Not tainted 6.15.0-syzkaller #0 ** 4 printk messages dropped ** [ 1352.706900][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 9 printk messages dropped ** [ 1352.707408][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1352.707733][ T32] r5:00001000 r4:edf03000 [ 1352.707756][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1352.707899][ T32] r5:8508d78c r4:8508d400 ** 3 printk messages dropped ** [ 1352.708090][ T32] r10:61c88647 r9:84c6bc00 r8:85bf7f2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1352.708437][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1352.709260][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1352.709676][ T32] dd20: bfe7e000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 6 printk messages dropped ** [ 1352.727405][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 9 printk messages dropped ** [ 1352.727731][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1352.728101][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 7 printk messages dropped ** [ 1352.728413][ T32] r4:84e5aa80 ** 4 printk messages dropped ** [ 1352.728613][ T32] task:kworker/0:679 state:D stack:0 pid:7700 tgid:7700 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1352.729169][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee081e08 ** 7 printk messages dropped ** [ 1352.729430][ T32] r9:83018005 r8:84c6c800 r7:00000000 r6:83018000 r5:00001000 r4:7f90f000 ** 1 printk messages dropped ** [ 1352.729523][ T32] r5:00001000 r4:ede45000 ** 3 printk messages dropped ** [ 1352.729670][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1352.742500][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1352.742647][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1352.743515][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 4 printk messages dropped ** [ 1352.743758][ T32] dd20: c08fc000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.743790][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.743815][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.743839][ T32] r5:80070013 r4:80239bb0 [ 1352.743859][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.743953][ T32] r4:82ac11a4 [ 1352.743977][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.744024][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.744051][ T32] r4:e884ddc0 [ 1352.744071][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.744114][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.744136][ T32] r4:00000000 [ 1352.744155][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.744227][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.744252][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.744295][ T32] r5:00001000 r4:e884f000 [ 1352.744342][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.744385][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.744426][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.744449][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.744508][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.744531][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.744602][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.744628][ T32] r4:8454db00 [ 1352.744651][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.744771][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.744803][ T32] r4:00000001 [ 1352.744823][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.744860][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.744885][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.744912][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.744937][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.744964][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.744985][ T32] r4:84e5aa80 [ 1352.745005][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.745040][ T32] INFO: task kworker/0:680:7701 blocked for more than 479 seconds. [ 1352.745077][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.745118][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.745162][ T32] task:kworker/0:680 state:D stack:0 pid:7701 tgid:7701 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.745210][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.745269][ T32] Call trace: [ 1352.745307][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.745384][ T32] r10:8291880c r9:ee085d84 r8:00000002 r7:60000013 r6:ee085d8c r5:84c6d400 [ 1352.745412][ T32] r4:84c6d400 [ 1352.745435][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.745514][ T32] r5:84c6d400 r4:82918808 [ 1352.745556][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.745601][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.745647][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee085e08 [ 1352.745671][ T32] r4:00000000 [ 1352.745711][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.745756][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.745823][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.745881][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a67440 [ 1352.745942][ T32] r4:00000000 [ 1352.746030][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.746118][ T32] r9:83018005 r8:84c6d400 r7:00000000 r6:83018000 r5:00001000 r4:7f911000 [ 1352.746159][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.746251][ T32] r5:00001000 r4:edef7000 [ 1352.746286][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.746344][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.746395][ T32] r5:8508d38c r4:8508d000 [ 1352.746419][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.746502][ T32] r7:dddced80 r6:83018000 r5:8508d38c r4:84ee6100 [ 1352.746526][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.746599][ T32] r10:61c88647 r9:84c6d400 r8:84ee612c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.746627][ T32] r4:84ee6100 [ 1352.746660][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.746709][ T32] r10:00000000 r9:84ee6100 r8:8027f5e8 r7:ee07de60 r6:84ee6180 r5:84c6d400 [ 1352.746736][ T32] r4:00000001 [ 1352.746757][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.746795][ T32] Exception stack(0xee085fb0 to 0xee085ff8) [ 1352.746823][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.746878][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.746947][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.746983][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.747008][ T32] r4:85a67140 [ 1352.747366][ T32] INFO: task kworker/0:680:7701 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.747400][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.747518][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.747566][ T32] Call trace: [ 1352.747597][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.747659][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.747711][ T32] r4:00000000 [ 1352.747734][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.747773][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.747803][ T32] dd20: c08fc000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.747833][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.747857][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.747880][ T32] r5:80070013 r4:80239bb0 [ 1352.747900][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.747943][ T32] r4:82ac11a4 [ 1352.747962][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.748041][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.748064][ T32] r4:e884ddc0 [ 1352.748084][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.748152][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.748177][ T32] r4:00000000 [ 1352.748225][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.748272][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.748297][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1352.748758][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1352.749054][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1352.749472][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 7 printk messages dropped ** [ 1352.766145][ T32] r5:84c6e000 r4:82918808 ** 3 printk messages dropped ** [ 1352.766352][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1352.766511][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.766638][ T32] r5:00001000 r4:ee095000 [ 1352.766657][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.766695][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 3 printk messages dropped ** [ 1352.766892][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1352.767309][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1352.768130][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1352.768467][ T32] dd20: c0b3d000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 7 printk messages dropped ** [ 1352.768778][ T32] r4:e884ddc0 ** 4 printk messages dropped ** [ 1352.769036][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 8 printk messages dropped ** [ 1352.769447][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1352.769643][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 4 printk messages dropped ** [ 1352.783483][ T32] r4:84e5aa80 ** 4 printk messages dropped ** [ 1352.783696][ T32] task:kworker/0:682 state:D stack:0 pid:7705 tgid:7705 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1352.784425][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 1 printk messages dropped ** [ 1352.784512][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a67840 [ 1352.784566][ T32] r4:00000000 [ 1352.784619][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.784670][ T32] r9:83018005 r8:84c6ec00 r7:00000000 r6:83018000 r5:00001000 r4:7f915000 [ 1352.784724][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.784769][ T32] r5:00001000 r4:edf15000 [ 1352.784790][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.784830][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.784898][ T32] r5:8508db8c r4:8508d800 [ 1352.784952][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.785002][ T32] r7:dddced80 r6:83018000 r5:8508db8c r4:84ee6300 [ 1352.785062][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.785112][ T32] r10:61c88647 r9:84c6ec00 r8:84ee632c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.785152][ T32] r4:84ee6300 [ 1352.785176][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.785278][ T32] r10:00000000 r9:84ee6300 r8:8027f5e8 r7:ee08de60 r6:84ee6380 r5:84c6ec00 [ 1352.785310][ T32] r4:00000001 [ 1352.785352][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.785396][ T32] Exception stack(0xee089fb0 to 0xee089ff8) [ 1352.785427][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.785458][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.785486][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.785516][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.785539][ T32] r4:85a676c0 [ 1352.786055][ T32] INFO: task kworker/0:682:7705 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.786140][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.786300][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.786382][ T32] Call trace: [ 1352.786421][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.786474][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.786517][ T32] r4:00000000 [ 1352.786543][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.786588][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.786650][ T32] dd20: c13de000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.786712][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.786744][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.786771][ T32] r5:80070013 r4:80239bb0 [ 1352.786793][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.786841][ T32] r4:82ac11a4 [ 1352.786863][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.786910][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.786933][ T32] r4:e884ddc0 [ 1352.786983][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.787048][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.787104][ T32] r4:00000000 [ 1352.787129][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.787209][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.787249][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.787299][ T32] r5:00001000 r4:e884f000 [ 1352.787336][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.787380][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.787449][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.787474][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.787523][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.787557][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.787645][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.787702][ T32] r4:8454db00 [ 1352.787726][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.787771][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.787796][ T32] r4:00000001 [ 1352.787850][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.787891][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.787939][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.788019][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.788104][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.788137][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.788162][ T32] r4:84e5aa80 [ 1352.788184][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.788241][ T32] INFO: task kworker/0:683:7708 blocked for more than 479 seconds. [ 1352.788275][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.788301][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.788354][ T32] task:kworker/0:683 state:D stack:0 pid:7708 tgid:7708 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.788434][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.788542][ T32] Call trace: [ 1352.788585][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.788660][ T32] r10:8291880c r9:ee0a5d84 r8:00000002 r7:60000113 r6:ee0a5d8c r5:85390000 [ 1352.788688][ T32] r4:85390000 [ 1352.788710][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.788750][ T32] r5:85390000 r4:82918808 [ 1352.788890][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.788943][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.788990][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee0a5e08 [ 1352.789014][ T32] r4:00000000 [ 1352.789041][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.789078][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.789115][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.789196][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a678c0 [ 1352.789224][ T32] r4:00000000 [ 1352.789247][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.789298][ T32] r9:83018005 r8:85390000 r7:00000000 r6:83018000 r5:00001000 r4:7f91b000 [ 1352.789322][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.789393][ T32] r5:00001000 r4:ee0ad000 [ 1352.789420][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.789462][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.789504][ T32] r5:8508e78c r4:8508e400 [ 1352.789525][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.789569][ T32] r7:dddced80 r6:83018000 r5:8508e78c r4:84ee6400 [ 1352.789608][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.789657][ T32] r10:61c88647 r9:85390000 r8:84ee642c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.789703][ T32] r4:84ee6400 [ 1352.789744][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.789873][ T32] r10:00000000 r9:84ee6400 r8:8027f5e8 r7:ee08de60 r6:84ee6480 r5:85390000 [ 1352.810171][ T32] r4:00000001 [ 1352.810263][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.810331][ T32] Exception stack(0xee0a5fb0 to 0xee0a5ff8) [ 1352.810364][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.810395][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.810437][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.810471][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.810494][ T32] r4:85a67740 [ 1352.811011][ T32] INFO: task kworker/0:683:7708 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.811059][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.811158][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.811230][ T32] Call trace: [ 1352.811301][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.811388][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.811435][ T32] r4:00000000 [ 1352.811488][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.811530][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.811558][ T32] dd20: c1ba7000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.811586][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 2 printk messages dropped ** [ 1352.811653][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 12 printk messages dropped ** [ 1352.812199][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1352.812522][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 10 printk messages dropped ** [ 1352.812868][ T32] Not tainted 6.15.0-syzkaller #0 ** 4 printk messages dropped ** [ 1352.813051][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 9 printk messages dropped ** [ 1352.813405][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1352.813628][ T32] r5:00001000 r4:ee0a1000 [ 1352.813646][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1352.813859][ T32] r7:dddced80 r6:83018000 r5:8508e38c r4:84ee6500 ** 5 printk messages dropped ** [ 1352.814109][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1352.814352][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1352.815020][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1352.815338][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 12 printk messages dropped ** [ 1352.815857][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.815897][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.815916][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.815981][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.816005][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.816057][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.816112][ T32] r4:8454db00 [ 1352.816179][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.816226][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.816248][ T32] r4:00000001 [ 1352.816266][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.816301][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.816326][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.816354][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.816380][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.816474][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.816500][ T32] r4:84e5aa80 [ 1352.816520][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.816546][ T32] INFO: task kworker/0:685:7711 blocked for more than 479 seconds. [ 1352.816573][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.816596][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.816617][ T32] task:kworker/0:685 state:D stack:0 pid:7711 tgid:7711 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.816685][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.816762][ T32] Call trace: [ 1352.816822][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.816885][ T32] r10:8291880c r9:ee0b1d84 r8:00000002 r7:60000013 r6:ee0b1d8c r5:85391800 [ 1352.816910][ T32] r4:85391800 [ 1352.816930][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.816969][ T32] r5:85391800 r4:82918808 [ 1352.817019][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.817067][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.817109][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee0b1e08 [ 1352.817160][ T32] r4:00000000 [ 1352.817212][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.817250][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.817340][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.817386][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a67dc0 [ 1352.817440][ T32] r4:00000000 [ 1352.817463][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.817506][ T32] r9:83018005 r8:85391800 r7:00000000 r6:83018000 r5:00001000 r4:7f91d000 [ 1352.817569][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.817614][ T32] r5:00001000 r4:ee0b9000 [ 1352.817633][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.817670][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.817742][ T32] r5:8508eb8c r4:8508e800 [ 1352.817764][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.817807][ T32] r7:dddced80 r6:83018000 r5:8508eb8c r4:84ee6600 [ 1352.817827][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.817870][ T32] r10:61c88647 r9:85391800 r8:84ee662c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.817892][ T32] r4:84ee6600 [ 1352.817910][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.817972][ T32] r10:00000000 r9:84ee6600 r8:8027f5e8 r7:ee0a5e60 r6:84ee6680 r5:85391800 [ 1352.818036][ T32] r4:00000001 [ 1352.818062][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.818130][ T32] Exception stack(0xee0b1fb0 to 0xee0b1ff8) [ 1352.818183][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.818252][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.818280][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.818309][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.818344][ T32] r4:85a67d00 [ 1352.818674][ T32] INFO: task kworker/0:685:7711 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.818714][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.818803][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.818890][ T32] Call trace: [ 1352.818953][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.819037][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.819095][ T32] r4:00000000 [ 1352.819119][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.819157][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.819184][ T32] dd20: c1ba7000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.819212][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.819268][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.819325][ T32] r5:80070013 r4:80239bb0 [ 1352.819378][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.819426][ T32] r4:82ac11a4 [ 1352.819476][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.819538][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.819564][ T32] r4:e884ddc0 [ 1352.819586][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.819630][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.819654][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1352.819716][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 8 printk messages dropped ** [ 1352.842817][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1352.843055][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1352.843308][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1352.843661][ T32] r4:85392400 ** 2 printk messages dropped ** [ 1352.843771][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1352.844109][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.844259][ T32] r5:00001000 r4:ee0c5000 [ 1352.844279][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1352.844374][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 5 printk messages dropped ** [ 1352.844559][ T32] r10:00000000 r9:84ee6700 r8:8027f5e8 r7:ee0b1e60 r6:84ee6780 r5:85392400 ** 7 printk messages dropped ** [ 1352.844834][ T32] r4:84ce4000 ** 4 printk messages dropped ** [ 1352.845706][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 8 printk messages dropped ** [ 1352.846057][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1352.846552][ T32] r5:00001000 r4:e884f000 ** 6 printk messages dropped ** [ 1352.846898][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 6 printk messages dropped ** [ 1352.847142][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1352.847416][ T32] task:kworker/0:687 state:D stack:0 pid:7715 tgid:7715 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 9 printk messages dropped ** [ 1352.847990][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee0d5e08 ** 5 printk messages dropped ** [ 1352.848339][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.848482][ T32] r5:00001000 r4:ee0d1000 [ 1352.848506][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1352.848724][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 10 printk messages dropped ** [ 1352.849151][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1352.849637][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.849758][ T32] Call trace: [ 1352.849881][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.874085][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.874132][ T32] r4:00000000 [ 1352.874155][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.874272][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.874333][ T32] dd20: c291b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.874366][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.874428][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.874475][ T32] r5:80070013 r4:80239bb0 [ 1352.874505][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.874554][ T32] r4:82ac11a4 [ 1352.874583][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.874639][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.874662][ T32] r4:e884ddc0 [ 1352.874702][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.874770][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.874809][ T32] r4:00000000 [ 1352.874862][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.874926][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.874971][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.875032][ T32] r5:00001000 r4:e884f000 [ 1352.875056][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.875096][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.875137][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.875156][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.875222][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.875271][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.875349][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.875374][ T32] r4:8454db00 [ 1352.875394][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.875451][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.875476][ T32] r4:00000001 [ 1352.875495][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.875529][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.875564][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.875595][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.875621][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.875648][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.875670][ T32] r4:84e5aa80 [ 1352.875695][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.875724][ T32] INFO: task kworker/0:688:7717 blocked for more than 479 seconds. [ 1352.875758][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.875791][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.875847][ T32] task:kworker/0:688 state:D stack:0 pid:7717 tgid:7717 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.875909][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.875952][ T32] Call trace: [ 1352.875984][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.876036][ T32] r10:8291880c r9:ee0c9d84 r8:00000002 r7:60000013 r6:ee0c9d8c r5:85393c00 [ 1352.876069][ T32] r4:85393c00 [ 1352.876093][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.876134][ T32] r5:85393c00 r4:82918808 [ 1352.876153][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.876197][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.876264][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee0c9e08 [ 1352.876317][ T32] r4:00000000 [ 1352.876339][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.876374][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.876411][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.876474][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ce4380 [ 1352.876518][ T32] r4:00000000 [ 1352.876564][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.876633][ T32] r9:83018005 r8:85393c00 r7:00000000 r6:83018000 r5:00001000 r4:7f923000 [ 1352.876658][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.876719][ T32] r5:00001000 r4:ee0dd000 [ 1352.876783][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.876825][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.876885][ T32] r5:8508f78c r4:8508f400 [ 1352.876908][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.876954][ T32] r7:dddced80 r6:83018000 r5:8508f78c r4:84ee6900 [ 1352.876974][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.877018][ T32] r10:61c88647 r9:85393c00 r8:84ee692c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.877056][ T32] r4:84ee6900 [ 1352.877097][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.877146][ T32] r10:00000000 r9:84ee6900 r8:8027f5e8 r7:ee0d5e60 r6:84ee6980 r5:85393c00 [ 1352.877171][ T32] r4:00000001 [ 1352.877213][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.877264][ T32] Exception stack(0xee0c9fb0 to 0xee0c9ff8) [ 1352.877292][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1352.877337][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.877377][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.877408][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.877430][ T32] r4:84ce42c0 [ 1352.877906][ T32] INFO: task kworker/0:688:7717 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.877948][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.878009][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.878062][ T32] Call trace: [ 1352.878092][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.878140][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.878162][ T32] r4:00000000 [ 1352.878181][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.878240][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.878269][ T32] dd20: c291b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.878319][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 5 printk messages dropped ** [ 1352.878503][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 7 printk messages dropped ** [ 1352.878810][ T32] r5:00001000 r4:e884f000 ** 6 printk messages dropped ** [ 1352.879138][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1352.879301][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 6 printk messages dropped ** [ 1352.879497][ T32] INFO: task kworker/0:689:7719 blocked for more than 479 seconds. ** 8 printk messages dropped ** [ 1352.890258][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 9 printk messages dropped ** [ 1352.890751][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.891016][ T32] r5:00001000 r4:ee0e9000 [ 1352.891047][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.891089][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.891131][ T32] r5:8508fb8c r4:8508f800 [ 1352.891174][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.891264][ T32] r7:dddced80 r6:83018000 r5:8508fb8c r4:84ee6a00 [ 1352.891299][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.891346][ T32] r10:61c88647 r9:85394800 r8:84ee6a2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.891368][ T32] r4:84ee6a00 [ 1352.891387][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.891432][ T32] r10:00000000 r9:84ee6a00 r8:8027f5e8 r7:ee0c9e60 r6:84ee6a80 r5:85394800 [ 1352.891454][ T32] r4:00000001 [ 1352.891473][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.891509][ T32] Exception stack(0xee0e1fb0 to 0xee0e1ff8) [ 1352.891538][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1352.891577][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.891607][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.891662][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.891687][ T32] r4:84ce4200 [ 1352.892198][ T32] INFO: task kworker/0:689:7719 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.892260][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.892373][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.892447][ T32] Call trace: [ 1352.892480][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.892529][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.892551][ T32] r4:00000000 [ 1352.892570][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.892607][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.892654][ T32] dd20: c291b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.892688][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.892713][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.892736][ T32] r5:80070013 r4:80239bb0 [ 1352.892777][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.892860][ T32] r4:82ac11a4 [ 1352.892899][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.892976][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.892999][ T32] r4:e884ddc0 [ 1352.893018][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.893067][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.893099][ T32] r4:00000000 [ 1352.893124][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.893189][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.893233][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.893281][ T32] r5:00001000 r4:e884f000 [ 1352.893304][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.893369][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.893444][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.893500][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.893556][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.893599][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.893649][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.893673][ T32] r4:8454db00 [ 1352.893695][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.893739][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.893763][ T32] r4:00000001 [ 1352.893783][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.893820][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.893866][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.893900][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.893929][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.893979][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.894008][ T32] r4:84e5aa80 [ 1352.894037][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.894067][ T32] INFO: task kworker/0:690:7721 blocked for more than 479 seconds. [ 1352.894101][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.894127][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 6 printk messages dropped ** [ 1352.894483][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 8 printk messages dropped ** [ 1352.894839][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ce4840 ** 4 printk messages dropped ** [ 1352.894991][ T32] r5:00001000 r4:ee101000 [ 1352.895013][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 1 printk messages dropped ** [ 1352.895102][ T32] r5:85d3438c r4:85d34000 ** 3 printk messages dropped ** [ 1352.895260][ T32] r10:61c88647 r9:85395400 r8:84ee6b2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 8 printk messages dropped ** [ 1352.895647][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 6 printk messages dropped ** [ 1352.896164][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1352.896584][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1352.896833][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1352.897141][ T32] r5:84fe9f8c r4:84fe9c00 ** 3 printk messages dropped ** [ 1352.897360][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 10 printk messages dropped ** [ 1352.897837][ T32] r4:84e5aa80 ** 4 printk messages dropped ** [ 1352.897993][ T32] task:kworker/0:691 state:D stack:0 pid:7723 tgid:7723 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1352.898586][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.898774][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ce46c0 ** 4 printk messages dropped ** [ 1352.898930][ T32] r5:00001000 r4:ee0f5000 [ 1352.898951][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1352.899143][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 7 printk messages dropped ** [ 1352.899392][ T32] 9fa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1352.921411][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 8 printk messages dropped ** [ 1352.921799][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1352.922306][ T32] r5:00001000 r4:e884f000 ** 6 printk messages dropped ** [ 1352.922582][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1352.922932][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 4 printk messages dropped ** [ 1352.923147][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.923169][ T32] task:kworker/0:692 state:D stack:0 pid:7725 tgid:7725 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.923233][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.923280][ T32] Call trace: [ 1352.923349][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.923397][ T32] r10:8291880c r9:ee105d84 r8:00000002 r7:60000113 r6:ee105d8c r5:85396c00 [ 1352.923421][ T32] r4:85396c00 [ 1352.923464][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.923507][ T32] r5:85396c00 r4:82918808 [ 1352.923527][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.923583][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.923628][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee105e08 [ 1352.923650][ T32] r4:00000000 [ 1352.923681][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.923719][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.923797][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.923864][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ce49c0 [ 1352.923889][ T32] r4:00000000 [ 1352.923929][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.923996][ T32] r9:83018005 r8:85396c00 r7:00000000 r6:83018000 r5:00001000 r4:7f92b000 [ 1352.924021][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.924073][ T32] r5:00001000 r4:ee10d000 [ 1352.924094][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.924219][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.924270][ T32] r5:85d3478c r4:85d34400 [ 1352.924373][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.924442][ T32] r7:dddced80 r6:83018000 r5:85d3478c r4:84ee6d00 [ 1352.924488][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.924536][ T32] r10:61c88647 r9:85396c00 r8:84ee6d2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.924558][ T32] r4:84ee6d00 [ 1352.924579][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.924621][ T32] r10:00000000 r9:84ee6d00 r8:8027f5e8 r7:ee0ede60 r6:84ee6d80 r5:85396c00 [ 1352.924663][ T32] r4:00000001 [ 1352.924685][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.924722][ T32] Exception stack(0xee105fb0 to 0xee105ff8) [ 1352.924769][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.924802][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.924829][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.924868][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.924893][ T32] r4:84ce4640 [ 1352.925313][ T32] INFO: task kworker/0:692:7725 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.925366][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.925464][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.925529][ T32] Call trace: [ 1352.925584][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.925636][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.925659][ T32] r4:00000000 [ 1352.925699][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.925765][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.925796][ T32] dd20: c2de9000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.925825][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.925864][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.925891][ T32] r5:80070013 r4:80239bb0 [ 1352.925931][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.925979][ T32] r4:82ac11a4 [ 1352.925998][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.926050][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.926072][ T32] r4:e884ddc0 [ 1352.926103][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.926150][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.926172][ T32] r4:00000000 [ 1352.926224][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.926282][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.926305][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.926367][ T32] r5:00001000 r4:e884f000 [ 1352.926391][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.926431][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.926493][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.926516][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.926614][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.926637][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.926704][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.926730][ T32] r4:8454db00 [ 1352.926749][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.926792][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.926834][ T32] r4:00000001 [ 1352.926856][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.926892][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.926946][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.927012][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.927051][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.927096][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.927122][ T32] r4:84e5aa80 [ 1352.927143][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.927195][ T32] INFO: task kworker/0:693:7727 blocked for more than 479 seconds. [ 1352.927226][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.927259][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.927287][ T32] task:kworker/0:693 state:D stack:0 pid:7727 tgid:7727 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.927332][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.927372][ T32] Call trace: [ 1352.927402][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.927448][ T32] r10:8291880c r9:ee111d84 r8:00000002 r7:60000113 r6:ee111d8c r5:85d70000 [ 1352.927469][ T32] r4:85d70000 [ 1352.927487][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.927546][ T32] r5:85d70000 r4:82918808 [ 1352.927569][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.927606][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.927649][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee111e08 [ 1352.927670][ T32] r4:00000000 [ 1352.927713][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.927752][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.927803][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 1 printk messages dropped ** [ 1352.927870][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.928077][ T32] r5:00001000 r4:ee119000 [ 1352.928096][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 4 printk messages dropped ** [ 1352.928309][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 9 printk messages dropped ** [ 1352.928750][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1352.929397][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1352.950234][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1352.950736][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 8 printk messages dropped ** [ 1352.951105][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.951136][ T32] r4:8454db00 [ 1352.951182][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.951229][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.951251][ T32] r4:00000001 [ 1352.951316][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.951359][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.951389][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.951443][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.951492][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.951552][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.951578][ T32] r4:84e5aa80 [ 1352.951603][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.951657][ T32] INFO: task kworker/0:694:7730 blocked for more than 479 seconds. [ 1352.951694][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.951719][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.951742][ T32] task:kworker/0:694 state:D stack:0 pid:7730 tgid:7730 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.951805][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.951877][ T32] Call trace: [ 1352.951953][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.952010][ T32] r10:8291880c r9:ee11dd84 r8:00000002 r7:60000113 r6:ee11dd8c r5:85d70c00 [ 1352.952059][ T32] r4:85d70c00 [ 1352.952106][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.952150][ T32] r5:85d70c00 r4:82918808 [ 1352.952170][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.952206][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.952248][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee11de08 [ 1352.952269][ T32] r4:00000000 [ 1352.952312][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.952371][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.952413][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.952457][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ce4cc0 [ 1352.952479][ T32] r4:00000000 [ 1352.952508][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.952574][ T32] r9:83018005 r8:85d70c00 r7:00000000 r6:83018000 r5:00001000 r4:7f92f000 [ 1352.952618][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.952663][ T32] r5:00001000 r4:ee125000 [ 1352.952703][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.952745][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.952785][ T32] r5:85d34f8c r4:85d34c00 [ 1352.952804][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.952846][ T32] r7:dddced80 r6:83018000 r5:85d34f8c r4:84ee6f00 [ 1352.952867][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.952934][ T32] r10:61c88647 r9:85d70c00 r8:84ee6f2c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.952988][ T32] r4:84ee6f00 [ 1352.953032][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.953120][ T32] r10:00000000 r9:84ee6f00 r8:8027f5e8 r7:ee111e60 r6:84ee6f80 r5:85d70c00 [ 1352.953146][ T32] r4:00000001 [ 1352.953165][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1352.953304][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1352.954271][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1352.954478][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff ** 7 printk messages dropped ** [ 1352.954743][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1352.955234][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1352.955530][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 8 printk messages dropped ** [ 1352.955870][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 9 printk messages dropped ** [ 1352.956201][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1352.956516][ T32] r5:00001000 r4:ee149000 [ 1352.956571][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1352.956738][ T32] r7:dddced80 r6:83018000 r5:85d35b8c r4:85055000 ** 7 printk messages dropped ** [ 1352.956999][ T32] Exception stack(0xee129fb0 to 0xee129ff8) ** 6 printk messages dropped ** [ 1352.957506][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1352.958053][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1352.958245][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1352.958686][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 5 printk messages dropped ** [ 1352.958918][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 8 printk messages dropped ** [ 1352.959158][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 11 printk messages dropped ** [ 1352.959644][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1352.990681][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.990929][ T32] r5:00001000 r4:ee131000 [ 1352.990950][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.990990][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.991031][ T32] r5:85d3538c r4:85d35000 [ 1352.991058][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.991105][ T32] r7:dddced80 r6:83018000 r5:85d3538c r4:85055100 [ 1352.991126][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.991172][ T32] r10:61c88647 r9:85d72400 r8:8505512c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.991194][ T32] r4:85055100 [ 1352.991214][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.991257][ T32] r10:00000000 r9:85055100 r8:8027f5e8 r7:ee129e60 r6:85055180 r5:85d72400 [ 1352.991279][ T32] r4:00000001 [ 1352.991297][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.991357][ T32] Exception stack(0xee135fb0 to 0xee135ff8) [ 1352.991412][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1352.991444][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.991484][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.991519][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.991542][ T32] r4:84ce4c40 [ 1352.992095][ T32] INFO: task kworker/0:696:7733 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1352.992162][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.992244][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.992341][ T32] Call trace: [ 1352.992400][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.992452][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.992496][ T32] r4:00000000 [ 1352.992539][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.992606][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.992636][ T32] dd20: c3b23000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.992665][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.992689][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.992712][ T32] r5:80070013 r4:80239bb0 [ 1352.992732][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.992776][ T32] r4:82ac11a4 [ 1352.992796][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.992862][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.992887][ T32] r4:e884ddc0 [ 1352.992907][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.992949][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.992970][ T32] r4:00000000 [ 1352.993009][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.993063][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.993084][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.993125][ T32] r5:00001000 r4:e884f000 [ 1352.993165][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.993209][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.993250][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.993269][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.993317][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.993337][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.993382][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.993403][ T32] r4:8454db00 [ 1352.993444][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.993492][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.993538][ T32] r4:00000001 [ 1352.993561][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.993597][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.993622][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.993649][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.993700][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.993753][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.993798][ T32] r4:84e5aa80 [ 1352.993826][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.993876][ T32] INFO: task kworker/0:697:7735 blocked for more than 479 seconds. [ 1352.993914][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.993939][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.993976][ T32] task:kworker/0:697 state:D stack:0 pid:7735 tgid:7735 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.994025][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.994075][ T32] Call trace: [ 1352.994122][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.994237][ T32] r10:8291880c r9:ee14dd84 r8:00000002 r7:60000113 r6:ee14dd8c r5:85d73c00 [ 1352.994281][ T32] r4:85d73c00 [ 1352.994305][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1352.994380][ T32] r5:85d73c00 r4:82918808 [ 1352.994403][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1352.994443][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1352.994484][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee14de08 [ 1352.994505][ T32] r4:00000000 [ 1352.994525][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1352.994579][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1352.994651][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.994701][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ce4fc0 [ 1352.994723][ T32] r4:00000000 [ 1352.994749][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.994797][ T32] r9:83018005 r8:85d73c00 r7:00000000 r6:83018000 r5:00001000 r4:7f933000 [ 1352.994838][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.994883][ T32] r5:00001000 r4:ee13d000 [ 1352.994923][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.994985][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.995029][ T32] r5:85d3578c r4:85d35400 [ 1352.995078][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.995148][ T32] r7:dddced80 r6:83018000 r5:85d3578c r4:85055200 [ 1352.995172][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.995223][ T32] r10:61c88647 r9:85d73c00 r8:8505522c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1352.995246][ T32] r4:85055200 [ 1352.995264][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.995309][ T32] r10:00000000 r9:85055200 r8:8027f5e8 r7:ee129e60 r6:85055280 r5:85d73c00 [ 1352.995351][ T32] r4:00000001 [ 1352.995396][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 3 printk messages dropped ** [ 1352.995585][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 4 printk messages dropped ** [ 1352.996045][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.996111][ T32] Call trace: [ 1352.996145][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1352.996193][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1352.996216][ T32] r4:00000000 [ 1352.996235][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1352.996272][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1352.996308][ T32] dd20: c3b23000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1352.996363][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1352.996394][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1352.996418][ T32] r5:80070013 r4:80239bb0 [ 1352.996438][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1352.996496][ T32] r4:82ac11a4 [ 1352.996539][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1352.996589][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1352.996611][ T32] r4:e884ddc0 [ 1352.996629][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1352.996695][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1352.996748][ T32] r4:00000000 [ 1352.996795][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1352.996843][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1352.996866][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1352.996913][ T32] r5:00001000 r4:e884f000 [ 1352.996932][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.996992][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1352.997044][ T32] r5:84fe9f8c r4:84fe9c00 [ 1352.997088][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1352.997143][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1352.997163][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1352.997207][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1352.997230][ T32] r4:8454db00 [ 1352.997249][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1352.997303][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1352.997388][ T32] r4:00000001 [ 1352.997472][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1352.997518][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1352.997564][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1352.997607][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1352.997636][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1352.997664][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1352.997685][ T32] r4:84e5aa80 [ 1352.997716][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1352.997744][ T32] INFO: task kworker/0:698:7737 blocked for more than 479 seconds. [ 1352.997772][ T32] Not tainted 6.15.0-syzkaller #0 [ 1352.997795][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1352.997815][ T32] task:kworker/0:698 state:D stack:0 pid:7737 tgid:7737 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1352.997868][ T32] Workqueue: events bpf_prog_free_deferred [ 1352.997911][ T32] Call trace: [ 1352.997941][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1352.997987][ T32] r10:8291880c r9:ee159d84 r8:00000002 r7:60000013 r6:ee159d8c r5:85d74800 [ 1352.998020][ T32] r4:85d74800 [ 1352.998068][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 1 printk messages dropped ** [ 1352.998145][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 7 printk messages dropped ** [ 1352.998541][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1352.998693][ T32] r5:00001000 r4:ee161000 [ 1352.998757][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1352.998805][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 6 printk messages dropped ** [ 1352.999119][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 10 printk messages dropped ** [ 1353.023702][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 3 printk messages dropped ** [ 1353.024172][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1353.024202][ T32] r4:00000000 [ 1353.024223][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1353.024265][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1353.024298][ T32] dd20: c3f7a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1353.024327][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1353.024374][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1353.024403][ T32] r5:80070013 r4:80239bb0 [ 1353.024423][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1353.024469][ T32] r4:82ac11a4 [ 1353.024531][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1353.024643][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1353.024671][ T32] r4:e884ddc0 [ 1353.024713][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.024762][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1353.024795][ T32] r4:00000000 [ 1353.024819][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.024886][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1353.024910][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.024973][ T32] r5:00001000 r4:e884f000 [ 1353.025003][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.025068][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.025117][ T32] r5:84fe9f8c r4:84fe9c00 [ 1353.025146][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.025237][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1353.025262][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.025312][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1353.025355][ T32] r4:8454db00 [ 1353.025385][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.025469][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1353.025495][ T32] r4:00000001 ** 2 printk messages dropped ** [ 1353.025656][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1353.025973][ T32] task:kworker/0:699 state:D stack:0 pid:7738 tgid:7738 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 10 printk messages dropped ** [ 1353.026462][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1353.026665][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8505a240 ** 4 printk messages dropped ** [ 1353.026893][ T32] r5:00001000 r4:ee155000 [ 1353.026918][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1353.027094][ T32] r7:dddced80 r6:83018000 r5:85d35f8c r4:85055400 ** 3 printk messages dropped ** [ 1353.027299][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) ** 7 printk messages dropped ** [ 1353.027613][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1353.028577][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 8 printk messages dropped ** [ 1353.028874][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1353.029103][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 9 printk messages dropped ** [ 1353.029587][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 4 printk messages dropped ** [ 1353.049133][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 6 printk messages dropped ** [ 1353.049387][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1353.049745][ T32] Call trace: ** 7 printk messages dropped ** [ 1353.050645][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee141e08 ** 8 printk messages dropped ** [ 1353.050976][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.051027][ T32] r5:00001000 r4:ee171000 ** 4 printk messages dropped ** [ 1353.051274][ T32] r7:dddced80 r6:83018000 r5:85d3678c r4:85055500 ** 5 printk messages dropped ** [ 1353.051569][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1353.051873][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1353.052827][ T32] r4:00000000 ** 6 printk messages dropped ** [ 1353.053056][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 10 printk messages dropped ** [ 1353.053533][ T32] r5:00001000 r4:e884f000 ** 6 printk messages dropped ** [ 1353.053908][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1353.054409][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 3 printk messages dropped ** [ 1353.054633][ T32] Not tainted 6.15.0-syzkaller #0 [ 1353.054658][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1353.054693][ T32] task:kworker/0:701 state:D stack:0 pid:7742 tgid:7742 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.054798][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.054844][ T32] Call trace: [ 1353.054874][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1353.054941][ T32] r10:8291880c r9:ee175d84 r8:00000002 r7:60000113 r6:ee175d8c r5:85d73000 [ 1353.054967][ T32] r4:85d73000 [ 1353.055009][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1353.055059][ T32] r5:85d73000 r4:82918808 [ 1353.055078][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1353.055113][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1353.055161][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee175e08 [ 1353.055185][ T32] r4:00000000 [ 1353.055225][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1353.055269][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1353.055310][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.055372][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8505aa00 [ 1353.055412][ T32] r4:00000000 [ 1353.055436][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.055480][ T32] r9:83018005 r8:85d73000 r7:00000000 r6:83018000 r5:00001000 r4:7f943000 [ 1353.055501][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.055542][ T32] r5:00001000 r4:ee19d000 [ 1353.055560][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.055618][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.055664][ T32] r5:85d36b8c r4:85d36800 [ 1353.055705][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.055752][ T32] r7:dddced80 r6:83018000 r5:85d36b8c r4:85055600 [ 1353.055795][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.055842][ T32] r10:61c88647 r9:85d73000 r8:8505562c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1353.055864][ T32] r4:85055600 [ 1353.055884][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.055926][ T32] r10:00000000 r9:85055600 r8:8027f5e8 r7:ee141e60 r6:85055680 r5:85d73000 [ 1353.055957][ T32] r4:00000001 [ 1353.055978][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.056047][ T32] Exception stack(0xee175fb0 to 0xee175ff8) [ 1353.056081][ T32] 5fa0: 00000000 00000000 00000000 00000000 [ 1353.056150][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.056201][ T32] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.056252][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.056277][ T32] r4:8505a400 [ 1353.056602][ T32] INFO: task kworker/0:701:7742 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1353.056633][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.056688][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.056730][ T32] Call trace: [ 1353.056770][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1353.056820][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1353.056859][ T32] r4:00000000 [ 1353.056902][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1353.056943][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1353.056993][ T32] dd20: c4410000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1353.057028][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1353.057092][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1353.057152][ T32] r5:80070013 r4:80239bb0 [ 1353.057202][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1353.057252][ T32] r4:82ac11a4 [ 1353.057272][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1353.057322][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1353.057364][ T32] r4:e884ddc0 [ 1353.057387][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.057431][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1353.057453][ T32] r4:00000000 [ 1353.057518][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.057584][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1353.057609][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.057652][ T32] r5:00001000 r4:e884f000 [ 1353.057672][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.057710][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 5 printk messages dropped ** [ 1353.057897][ T32] r4:8454db00 ** 5 printk messages dropped ** [ 1353.058143][ T32] dfa0: 00000000 00000000 00000000 00000000 ** 7 printk messages dropped ** [ 1353.058519][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ** 8 printk messages dropped ** [ 1353.058969][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 6 printk messages dropped ** [ 1353.059286][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8505ab40 ** 4 printk messages dropped ** [ 1353.059482][ T32] r5:00001000 r4:ee1a9000 ** 1 printk messages dropped ** [ 1353.059569][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 7 printk messages dropped ** [ 1353.090748][ T32] r10:00000000 r9:85055700 r8:8027f5e8 r7:ee175e60 r6:85055780 r5:845a0c00 ** 6 printk messages dropped ** [ 1353.091145][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 5 printk messages dropped ** [ 1353.092003][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 9 printk messages dropped ** [ 1353.092397][ T32] r4:82ac11a4 ** 4 printk messages dropped ** [ 1353.092636][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 ** 11 printk messages dropped ** [ 1353.093096][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1353.093535][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 7 printk messages dropped ** [ 1353.093855][ T32] Call trace: ** 3 printk messages dropped ** [ 1353.094087][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) ** 7 printk messages dropped ** [ 1353.094516][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 4 printk messages dropped ** [ 1353.094665][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.094705][ T32] r5:00001000 r4:ee1b1000 ** 2 printk messages dropped ** [ 1353.094868][ T32] r5:85d3738c r4:85d37000 ** 3 printk messages dropped ** [ 1353.095055][ T32] r10:61c88647 r9:845a1800 r8:8505582c r7:82804d40 r6:dddced80 r5:dddceda0 ** 10 printk messages dropped ** [ 1353.095461][ T32] r4:8505a9c0 ** 4 printk messages dropped ** [ 1353.096049][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 1 printk messages dropped ** [ 1353.096154][ T32] r4:00000000 [ 1353.096174][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1353.096232][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1353.096302][ T32] dd20: c4d72000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1353.096336][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1353.096382][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1353.096409][ T32] r5:80070013 r4:80239bb0 [ 1353.096429][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1353.096486][ T32] r4:82ac11a4 [ 1353.096508][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1353.096557][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1353.096579][ T32] r4:e884ddc0 [ 1353.096627][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.096692][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1353.096718][ T32] r4:00000000 [ 1353.096737][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.096811][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1353.096858][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.096905][ T32] r5:00001000 r4:e884f000 [ 1353.096925][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.096984][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.097052][ T32] r5:84fe9f8c r4:84fe9c00 [ 1353.097116][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.097166][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1353.097207][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.097255][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1353.097328][ T32] r4:8454db00 [ 1353.097386][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.097435][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1353.097458][ T32] r4:00000001 [ 1353.097477][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.097548][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1353.097579][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1353.097609][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.097655][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.097686][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.097709][ T32] r4:84e5aa80 [ 1353.097728][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1353.097753][ T32] INFO: task kworker/0:704:7752 blocked for more than 479 seconds. [ 1353.097781][ T32] Not tainted 6.15.0-syzkaller #0 [ 1353.097803][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1353.097863][ T32] task:kworker/0:704 state:D stack:0 pid:7752 tgid:7752 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.097921][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.097963][ T32] Call trace: [ 1353.097993][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1353.098058][ T32] r10:8291880c r9:ee189d84 r8:00000002 r7:60000013 r6:ee189d8c r5:845a2400 [ 1353.098084][ T32] r4:845a2400 [ 1353.098105][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1353.098145][ T32] r5:845a2400 r4:82918808 [ 1353.098183][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1353.098276][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1353.098338][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee189e08 [ 1353.098381][ T32] r4:00000000 [ 1353.098429][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1353.098468][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1353.098517][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.098570][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8505ae40 [ 1353.098592][ T32] r4:00000000 [ 1353.098611][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.098653][ T32] r9:83018005 r8:845a2400 r7:00000000 r6:83018000 r5:00001000 r4:7f949000 [ 1353.098673][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.098713][ T32] r5:00001000 r4:ee1b9000 [ 1353.098752][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.098794][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.098834][ T32] r5:85d3778c r4:85d37400 [ 1353.098853][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.098896][ T32] r7:dddced80 r6:83018000 r5:85d3778c r4:85055900 [ 1353.098936][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.098984][ T32] r10:61c88647 r9:845a2400 r8:8505592c r7:82804d40 r6:dddced80 r5:dddceda0 [ 1353.099006][ T32] r4:85055900 [ 1353.099024][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.099075][ T32] r10:00000000 r9:85055900 r8:8027f5e8 r7:ee169e60 r6:85055980 r5:845a2400 [ 1353.099120][ T32] r4:00000001 [ 1353.099142][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.099179][ T32] Exception stack(0xee189fb0 to 0xee189ff8) [ 1353.099204][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1353.099232][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.099258][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.099285][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.099312][ T32] r4:8505ab00 [ 1353.099651][ T32] INFO: task kworker/0:704:7752 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1353.099741][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.099808][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.122407][ T32] Call trace: [ 1353.122486][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1353.122565][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1353.122611][ T32] r4:00000000 ** 2 printk messages dropped ** [ 1353.122729][ T32] dd20: c52e5000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 7 printk messages dropped ** [ 1353.123057][ T32] r4:e884ddc0 ** 4 printk messages dropped ** [ 1353.123250][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 8 printk messages dropped ** [ 1353.123567][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1353.123910][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 6 printk messages dropped ** [ 1353.124181][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1353.124583][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 10 printk messages dropped ** [ 1353.125014][ T32] r5:00001000 r4:ee1c5000 [ 1353.125061][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 5 printk messages dropped ** [ 1353.125276][ T32] r10:61c88647 r9:845a3000 r8:85055a2c r7:82804d40 r6:dddced80 r5:dddceda0 ** 9 printk messages dropped ** [ 1353.125609][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.125660][ T32] r4:8505acc0 [ 1353.126217][ T32] INFO: task kworker/0:705:7754 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1353.126289][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.126381][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.126427][ T32] Call trace: [ 1353.126457][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1353.126505][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1353.126528][ T32] r4:00000000 [ 1353.126555][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1353.126594][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1353.126644][ T32] dd20: c52e5000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1353.126678][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1353.126703][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1353.126726][ T32] r5:80070013 r4:80239bb0 [ 1353.126746][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1353.126790][ T32] r4:82ac11a4 [ 1353.126809][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1353.126854][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1353.126876][ T32] r4:e884ddc0 [ 1353.126895][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.126937][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1353.126958][ T32] r4:00000000 [ 1353.126977][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.127019][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1353.127045][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.127089][ T32] r5:00001000 r4:e884f000 [ 1353.127108][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.127146][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.127186][ T32] r5:84fe9f8c r4:84fe9c00 [ 1353.127204][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.127248][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1353.127268][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.127316][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1353.127339][ T32] r4:8454db00 [ 1353.127358][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.127406][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1353.127440][ T32] r4:00000001 [ 1353.127481][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.127521][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1353.127557][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1353.127589][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.127633][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.127665][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.127688][ T32] r4:84e5aa80 [ 1353.127708][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1353.127752][ T32] INFO: task kworker/0:706:7755 blocked for more than 479 seconds. [ 1353.127784][ T32] Not tainted 6.15.0-syzkaller #0 [ 1353.127807][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1353.127828][ T32] task:kworker/0:706 state:D stack:0 pid:7755 tgid:7755 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.127872][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1353.128033][ T32] r4:845a3c00 ** 4 printk messages dropped ** [ 1353.128225][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee1cde08 ** 8 printk messages dropped ** [ 1353.128503][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.128542][ T32] r5:00001000 r4:dfd85000 [ 1353.128574][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1353.128680][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1353.128982][ T32] Exception stack(0xee1cdfb0 to 0xee1cdff8) ** 4 printk messages dropped ** [ 1353.129121][ T32] r4:8505ae00 ** 2 printk messages dropped ** [ 1353.129549][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1353.150577][ T32] dd20: c58aa000 e47a4000 00000001 80239b98 7f1cb000 00000001 ** 6 printk messages dropped ** [ 1353.150789][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 7 printk messages dropped ** [ 1353.151080][ T32] r5:00001000 r4:e884f000 ** 6 printk messages dropped ** [ 1353.151330][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 4 printk messages dropped ** [ 1353.151476][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) ** 8 printk messages dropped ** [ 1353.151786][ T32] Not tainted 6.15.0-syzkaller #0 ** 4 printk messages dropped ** [ 1353.151964][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) ** 7 printk messages dropped ** [ 1353.152217][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1353.152369][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1353.152490][ T32] r5:00001000 r4:ed6c1000 [ 1353.152509][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1353.152647][ T32] r7:dddced80 r6:83018000 r5:85d40b8c r4:85055c00 ** 4 printk messages dropped ** [ 1353.152791][ T32] r10:00000000 r9:85055c00 r8:8027f5e8 r7:ee1cde60 r6:8592c180 r5:85c24800 ** 7 printk messages dropped ** [ 1353.153002][ T32] r4:84d491c0 ** 4 printk messages dropped ** [ 1353.153765][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) ** 8 printk messages dropped ** [ 1353.154232][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1353.154726][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1353.155074][ T32] r4:8454db00 ** 4 printk messages dropped ** [ 1353.155214][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 7 printk messages dropped ** [ 1353.155440][ T32] Not tainted 6.15.0-syzkaller #0 ** 2 printk messages dropped ** [ 1353.155577][ T32] Workqueue: events bpf_prog_free_deferred ** 6 printk messages dropped ** [ 1353.155870][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) ** 1 printk messages dropped ** [ 1353.155949][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee1e9e08 [ 1353.155987][ T32] r4:00000000 [ 1353.156018][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1353.156061][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1353.156099][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.156155][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d49280 [ 1353.156183][ T32] r4:00000000 [ 1353.156207][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.156253][ T32] r9:83018005 r8:85c26c00 r7:00000000 r6:83018000 r5:00001000 r4:7f8ab000 [ 1353.156275][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.156314][ T32] r5:00001000 r4:ed413000 [ 1353.156334][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.156372][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.156424][ T32] r5:85d4038c r4:85d40000 [ 1353.156447][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.156492][ T32] r7:dddced80 r6:83018000 r5:85d4038c r4:85055c80 [ 1353.156532][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.156590][ T32] r10:61c88647 r9:85c26c00 r8:85055cac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1353.156615][ T32] r4:85055c80 [ 1353.156634][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.156677][ T32] r10:00000000 r9:85055c80 r8:8027f5e8 r7:ee1dde60 r6:8592c200 r5:85c26c00 [ 1353.156698][ T32] r4:00000001 [ 1353.156736][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.156793][ T32] Exception stack(0xee1e9fb0 to 0xee1e9ff8) [ 1353.156822][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1353.156850][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.156876][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.156904][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.156933][ T32] r4:84d49100 [ 1353.157255][ T32] INFO: task kworker/0:708:7761 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1353.157289][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.157344][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.157402][ T32] Call trace: [ 1353.157432][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1353.157479][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1353.157501][ T32] r4:00000000 [ 1353.157541][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1353.157605][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1353.157638][ T32] dd20: c58aa000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1353.157676][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1353.157705][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1353.157729][ T32] r5:80070013 r4:80239bb0 [ 1353.157759][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1353.157815][ T32] r4:82ac11a4 [ 1353.157846][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1353.157898][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1353.157921][ T32] r4:e884ddc0 [ 1353.157940][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.157982][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1353.158026][ T32] r4:00000000 [ 1353.158054][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.158099][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1353.158120][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.158160][ T32] r5:00001000 r4:e884f000 [ 1353.158179][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.158286][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.158346][ T32] r5:84fe9f8c r4:84fe9c00 [ 1353.158367][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.158413][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1353.158433][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.158479][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1353.158501][ T32] r4:8454db00 [ 1353.158520][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.158568][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1353.158592][ T32] r4:00000001 [ 1353.158611][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.158646][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1353.158671][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1353.158712][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.158744][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.158772][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 2 printk messages dropped ** [ 1353.158872][ T32] INFO: task kworker/0:709:7762 blocked for more than 479 seconds. ** 7 printk messages dropped ** [ 1353.159132][ T32] r4:85c23c00 ** 4 printk messages dropped ** [ 1353.159307][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee1ede08 ** 9 printk messages dropped ** [ 1353.181818][ T32] r5:00001000 r4:ed633000 [ 1353.181912][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1353.182142][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1353.182566][ T32] Exception stack(0xee1edfb0 to 0xee1edff8) ** 7 printk messages dropped ** [ 1353.183361][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1353.183677][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 13 printk messages dropped ** [ 1353.184195][ T32] r5:00001000 r4:e884f000 ** 3 printk messages dropped ** [ 1353.184320][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1353.184619][ T32] r4:00000001 ** 5 printk messages dropped ** [ 1353.184840][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1353.185178][ T32] r10:8291880c r9:ee1f1d84 r8:00000002 r7:60000113 r6:ee1f1d8c r5:85c26000 ** 8 printk messages dropped ** [ 1353.185487][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1353.185767][ T32] r5:00001000 r4:ed761000 ** 1 printk messages dropped ** [ 1353.185838][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.185880][ T32] r5:85d40f8c r4:85d40c00 [ 1353.185899][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.185942][ T32] r7:dddced80 r6:83018000 r5:85d40f8c r4:85055d80 [ 1353.185962][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.186012][ T32] r10:61c88647 r9:85c26000 r8:85055dac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1353.186035][ T32] r4:85055d80 [ 1353.186060][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.186104][ T32] r10:00000000 r9:85055d80 r8:8027f5e8 r7:ee1dde60 r6:8592c300 r5:85c26000 [ 1353.186126][ T32] r4:00000001 [ 1353.186164][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.186249][ T32] Exception stack(0xee1f1fb0 to 0xee1f1ff8) [ 1353.186299][ T32] 1fa0: 00000000 00000000 00000000 00000000 [ 1353.186346][ T32] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.186373][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.186420][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.186460][ T32] r4:84d493c0 [ 1353.186773][ T32] INFO: task kworker/0:710:7764 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1353.186805][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.186861][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.186944][ T32] Call trace: [ 1353.186992][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1353.187076][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1353.187124][ T32] r4:00000000 [ 1353.187169][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1353.187214][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1353.187242][ T32] dd20: c5e5d000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1353.187270][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1353.187300][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1353.187327][ T32] r5:80070013 r4:80239bb0 [ 1353.187348][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1353.187418][ T32] r4:82ac11a4 [ 1353.187461][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1353.187512][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1353.187553][ T32] r4:e884ddc0 [ 1353.187577][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.187624][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1353.187646][ T32] r4:00000000 [ 1353.187665][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.187708][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1353.187761][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.187814][ T32] r5:00001000 r4:e884f000 [ 1353.187849][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.187892][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.187935][ T32] r5:84fe9f8c r4:84fe9c00 [ 1353.187954][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.188045][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1353.188075][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.188123][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1353.188145][ T32] r4:8454db00 [ 1353.188164][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.188206][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1353.188227][ T32] r4:00000001 [ 1353.188245][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.188292][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1353.188321][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1353.188350][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.188376][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.188404][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.188427][ T32] r4:84e5aa80 [ 1353.188459][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1353.188489][ T32] INFO: task kworker/0:711:7766 blocked for more than 479 seconds. [ 1353.188517][ T32] Not tainted 6.15.0-syzkaller #0 ** 5 printk messages dropped ** [ 1353.188780][ T32] r10:8291880c r9:ee1f5d84 r8:00000002 r7:60000113 r6:ee1f5d8c r5:85c22400 ** 8 printk messages dropped ** [ 1353.189149][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1353.189457][ T32] r5:00001000 r4:ed7f5000 [ 1353.189482][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1353.189592][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 6 printk messages dropped ** [ 1353.210445][ T32] r4:00000001 ** 3 printk messages dropped ** [ 1353.210592][ T32] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 11 printk messages dropped ** [ 1353.211526][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 5 printk messages dropped ** [ 1353.211703][ T32] r4:82ac11a4 ** 2 printk messages dropped ** [ 1353.211828][ T32] r4:e884ddc0 [ 1353.211851][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.211895][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1353.211949][ T32] r4:00000000 [ 1353.211974][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.212023][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1353.212053][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.212096][ T32] r5:00001000 r4:e884f000 [ 1353.212117][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.212157][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.212217][ T32] r5:84fe9f8c r4:84fe9c00 [ 1353.212250][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.212300][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1353.212321][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.212365][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1353.212407][ T32] r4:8454db00 [ 1353.212458][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.212504][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1353.212526][ T32] r4:00000001 [ 1353.212545][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.212581][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1353.212635][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1353.212667][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.212694][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.212722][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.212744][ T32] r4:84e5aa80 [ 1353.212763][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1353.212810][ T32] INFO: task kworker/0:712:7768 blocked for more than 479 seconds. [ 1353.212847][ T32] Not tainted 6.15.0-syzkaller #0 [ 1353.212871][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1353.212893][ T32] task:kworker/0:712 state:D stack:0 pid:7768 tgid:7768 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.212937][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.213046][ T32] Call trace: [ 1353.213100][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1353.213148][ T32] r10:8291880c r9:ee1f9d84 r8:00000002 r7:60000013 r6:ee1f9d8c r5:85c23000 [ 1353.213170][ T32] r4:85c23000 [ 1353.213189][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1353.213228][ T32] r5:85c23000 r4:82918808 [ 1353.213247][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1353.213295][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1353.213342][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee1f9e08 [ 1353.213365][ T32] r4:00000000 [ 1353.213402][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1353.213446][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 2 printk messages dropped ** [ 1353.213582][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1353.213744][ T32] r5:00001000 r4:ed8d7000 [ 1353.213781][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.213823][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.213864][ T32] r5:85d41b8c r4:85d41800 [ 1353.213883][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.213925][ T32] r7:dddced80 r6:83018000 r5:85d41b8c r4:85055e80 [ 1353.213946][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.214001][ T32] r10:61c88647 r9:85c23000 r8:85055eac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1353.214026][ T32] r4:85055e80 [ 1353.214050][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.214113][ T32] r10:00000000 r9:85055e80 r8:8027f5e8 r7:ee1f5e60 r6:8592c400 r5:85c23000 [ 1353.214139][ T32] r4:00000001 [ 1353.214224][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.214303][ T32] Exception stack(0xee1f9fb0 to 0xee1f9ff8) [ 1353.214346][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1353.214378][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.214439][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.214488][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.214512][ T32] r4:84d496c0 [ 1353.214817][ T32] INFO: task kworker/0:712:7768 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1353.214849][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.214945][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.215017][ T32] Call trace: [ 1353.215086][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1353.215138][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1353.215162][ T32] r4:00000000 [ 1353.215182][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1353.215218][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1353.215246][ T32] dd20: c619a000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1353.215296][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1353.215325][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1353.215381][ T32] r5:80070013 r4:80239bb0 [ 1353.215411][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1353.215456][ T32] r4:82ac11a4 ** 1 printk messages dropped ** [ 1353.215521][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 11 printk messages dropped ** [ 1353.215896][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 8 printk messages dropped ** [ 1353.216259][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 7 printk messages dropped ** [ 1353.216564][ T32] Not tainted 6.15.0-syzkaller #0 ** 6 printk messages dropped ** [ 1353.216840][ T32] r4:85c21800 ** 4 printk messages dropped ** [ 1353.217130][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee1fde08 ** 9 printk messages dropped ** [ 1353.217493][ T32] r5:00001000 r4:ed86f000 [ 1353.217517][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 2 printk messages dropped ** [ 1353.217635][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 10 printk messages dropped ** [ 1353.218020][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 8 printk messages dropped ** [ 1353.218809][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 ** 7 printk messages dropped ** [ 1353.219096][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) ** 9 printk messages dropped ** [ 1353.219493][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1353.238665][ T32] r4:8454db00 ** 6 printk messages dropped ** [ 1353.238885][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 5 printk messages dropped ** [ 1353.239054][ T32] Not tainted 6.15.0-syzkaller #0 [ 1353.239080][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1353.239123][ T32] task:kworker/0:714 state:D stack:0 pid:7773 tgid:7773 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.239214][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.239260][ T32] Call trace: [ 1353.239299][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1353.239353][ T32] r10:8291880c r9:ee209d84 r8:00000002 r7:60000013 r6:ee209d8c r5:85c18c00 [ 1353.239435][ T32] r4:85c18c00 [ 1353.239459][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1353.239510][ T32] r5:85c18c00 r4:82918808 [ 1353.239552][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1353.239593][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1353.239645][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee209e08 [ 1353.239703][ T32] r4:00000000 [ 1353.243977][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1353.244100][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1353.244156][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.244202][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d49d40 [ 1353.244226][ T32] r4:00000000 [ 1353.244246][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.244317][ T32] r9:83018005 r8:85c18c00 r7:00000000 r6:83018000 r5:00001000 r4:7f8bd000 [ 1353.244344][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.244389][ T32] r5:00001000 r4:ed981000 [ 1353.244409][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.244475][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.244521][ T32] r5:85d4238c r4:85d42000 [ 1353.244541][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.244605][ T32] r7:dddced80 r6:83018000 r5:85d4238c r4:85055f80 [ 1353.244631][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.244677][ T32] r10:61c88647 r9:85c18c00 r8:85055fac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1353.244699][ T32] r4:85055f80 [ 1353.244719][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.244762][ T32] r10:00000000 r9:85055f80 r8:8027f5e8 r7:ee1f9e60 r6:8592c500 r5:85c18c00 [ 1353.244784][ T32] r4:00000001 [ 1353.244821][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.244863][ T32] Exception stack(0xee209fb0 to 0xee209ff8) [ 1353.244891][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1353.244919][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.244944][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.244972][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.245022][ T32] r4:84d49940 [ 1353.245493][ T32] INFO: task kworker/0:714:7773 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1353.245528][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.245591][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.245676][ T32] Call trace: [ 1353.245717][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1353.245787][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1353.245815][ T32] r4:00000000 [ 1353.245836][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1353.245885][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1353.245916][ T32] dd20: c6671000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1353.245945][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1353.245970][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1353.245994][ T32] r5:80070013 r4:80239bb0 [ 1353.246013][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1353.246091][ T32] r4:82ac11a4 [ 1353.246116][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1353.246214][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1353.246274][ T32] r4:e884ddc0 [ 1353.246314][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.246366][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1353.246388][ T32] r4:00000000 [ 1353.246408][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.246450][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1353.246472][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 7 printk messages dropped ** [ 1353.246794][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1353.247136][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1353.247516][ T32] r10:8291880c r9:ee20dd84 r8:00000002 r7:60000013 r6:ee20dd8c r5:85c16c00 ** 9 printk messages dropped ** [ 1353.247856][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) ** 5 printk messages dropped ** [ 1353.248099][ T32] r5:00001000 r4:ed90f000 ** 1 printk messages dropped ** [ 1353.248158][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1353.248530][ T32] Exception stack(0xee20dfb0 to 0xee20dff8) ** 6 printk messages dropped ** [ 1353.249092][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 14 printk messages dropped ** [ 1353.266762][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 13 printk messages dropped ** [ 1353.267294][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) ** 6 printk messages dropped ** [ 1353.267518][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 9 printk messages dropped ** [ 1353.267864][ T32] task:kworker/0:716 state:D stack:0 pid:7776 tgid:7776 ppid:2 task_flags:0x4208060 flags:0x00000000 ** 12 printk messages dropped ** [ 1353.268584][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1353.268925][ T32] r5:00001000 r4:eda4d000 ** 1 printk messages dropped ** [ 1353.269007][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 10 printk messages dropped ** [ 1353.269397][ T32] Exception stack(0xee1c9fb0 to 0xee1c9ff8) ** 6 printk messages dropped ** [ 1353.283289][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.283382][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.283467][ T32] Call trace: [ 1353.283522][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1353.283584][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1353.283642][ T32] r4:00000000 [ 1353.283720][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1353.283772][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1353.283805][ T32] dd20: c6e3b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1353.283834][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1353.283883][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1353.283913][ T32] r5:80070013 r4:80239bb0 [ 1353.283936][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1353.283988][ T32] r4:82ac11a4 [ 1353.284013][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1353.284094][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1353.284178][ T32] r4:e884ddc0 [ 1353.284219][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.284277][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1353.284304][ T32] r4:00000000 [ 1353.284347][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.284434][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1353.284500][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.284592][ T32] r5:00001000 r4:e884f000 [ 1353.284620][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.284663][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.284731][ T32] r5:84fe9f8c r4:84fe9c00 [ 1353.284788][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.284864][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1353.284890][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.284961][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1353.284997][ T32] r4:8454db00 [ 1353.285020][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.285079][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1353.285104][ T32] r4:00000001 [ 1353.285127][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.285164][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1353.285214][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1353.285250][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.285280][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.285312][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.285338][ T32] r4:84e5aa80 [ 1353.285363][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1353.285392][ T32] INFO: task kworker/0:717:7777 blocked for more than 479 seconds. [ 1353.285428][ T32] Not tainted 6.15.0-syzkaller #0 [ 1353.285453][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1353.285477][ T32] task:kworker/0:717 state:D stack:0 pid:7777 tgid:7777 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.285524][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.285566][ T32] Call trace: [ 1353.285599][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1353.285667][ T32] r10:8291880c r9:ee1d9d84 r8:00000002 r7:60000013 r6:ee1d9d8c r5:845a6000 [ 1353.285726][ T32] r4:845a6000 [ 1353.285761][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1353.285808][ T32] r5:845a6000 r4:82918808 [ 1353.285850][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1353.285894][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1353.285939][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee1d9e08 [ 1353.285983][ T32] r4:00000000 [ 1353.286010][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1353.286057][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1353.286097][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.286144][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d49e40 [ 1353.286217][ T32] r4:00000000 [ 1353.286270][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.286365][ T32] r9:83018005 r8:845a6000 r7:00000000 r6:83018000 r5:00001000 r4:7f8bf000 [ 1353.286394][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.286439][ T32] r5:00001000 r4:eda0f000 [ 1353.286460][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.286518][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.286569][ T32] r5:85d4278c r4:85d42400 [ 1353.286592][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.286639][ T32] r7:dddced80 r6:83018000 r5:85d4278c r4:85951180 [ 1353.286663][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.286709][ T32] r10:61c88647 r9:845a6000 r8:859511ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1353.286754][ T32] r4:85951180 [ 1353.286779][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.286826][ T32] r10:00000000 r9:85951180 r8:8027f5e8 r7:ee1c9e60 r6:85951200 r5:845a6000 [ 1353.286849][ T32] r4:00000001 [ 1353.286870][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.286907][ T32] Exception stack(0xee1d9fb0 to 0xee1d9ff8) [ 1353.286949][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1353.286984][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.287013][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 2 printk messages dropped ** [ 1353.287568][ T32] INFO: task kworker/0:717:7777 is blocked on a mutex likely owned by task kworker/1:174:3878. ** 7 printk messages dropped ** [ 1353.287957][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 5 printk messages dropped ** [ 1353.288277][ T32] r4:82ac11a4 ** 7 printk messages dropped ** [ 1353.288586][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 ** 8 printk messages dropped ** [ 1353.289074][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 ** 9 printk messages dropped ** [ 1353.289477][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 9 printk messages dropped ** [ 1353.310552][ T32] r10:8291880c r9:ee211d84 r8:00000002 r7:60000013 r6:ee211d8c r5:845a6c00 ** 8 printk messages dropped ** [ 1353.310860][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) ** 6 printk messages dropped ** [ 1353.311195][ T32] r5:00001000 r4:ede73000 [ 1353.311238][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1353.311411][ T32] r7:dddced80 r6:83018000 r5:85d4338c r4:85951280 ** 5 printk messages dropped ** [ 1353.311615][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1353.311795][ T32] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 8 printk messages dropped ** [ 1353.312619][ T32] r4:00000000 ** 3 printk messages dropped ** [ 1353.312728][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 ** 12 printk messages dropped ** [ 1353.313159][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 8 printk messages dropped ** [ 1353.313491][ T32] r4:8454db00 ** 4 printk messages dropped ** [ 1353.313668][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) ** 3 printk messages dropped ** [ 1353.313812][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.313852][ T32] r4:84e5aa80 [ 1353.313895][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1353.313928][ T32] INFO: task kworker/0:719:7782 blocked for more than 479 seconds. [ 1353.313962][ T32] Not tainted 6.15.0-syzkaller #0 [ 1353.313986][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1353.314018][ T32] task:kworker/0:719 state:D stack:0 pid:7782 tgid:7782 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.314071][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.314111][ T32] Call trace: [ 1353.314140][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1353.314186][ T32] r10:8291880c r9:ee219d84 r8:00000002 r7:60000013 r6:ee219d8c r5:845a5400 [ 1353.314293][ T32] r4:845a5400 [ 1353.314330][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1353.314390][ T32] r5:845a5400 r4:82918808 [ 1353.314414][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1353.314451][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1353.314492][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee219e08 [ 1353.314515][ T32] r4:00000000 [ 1353.314534][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1353.314568][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1353.314621][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.314668][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85bd3380 [ 1353.314690][ T32] r4:00000000 [ 1353.314710][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.314753][ T32] r9:83018005 r8:845a5400 r7:00000000 r6:83018000 r5:00001000 r4:7f8c3000 [ 1353.314793][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.314845][ T32] r5:00001000 r4:eda81000 [ 1353.314874][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.314916][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.314957][ T32] r5:85d42f8c r4:85d42c00 [ 1353.314977][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.315020][ T32] r7:dddced80 r6:83018000 r5:85d42f8c r4:85951380 [ 1353.315045][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.315090][ T32] r10:61c88647 r9:845a5400 r8:859513ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1353.315112][ T32] r4:85951380 [ 1353.315132][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.315175][ T32] r10:00000000 r9:85951380 r8:8027f5e8 r7:ee211e60 r6:85951400 r5:845a5400 [ 1353.315196][ T32] r4:00000001 [ 1353.315214][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.315248][ T32] Exception stack(0xee219fb0 to 0xee219ff8) [ 1353.315273][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1353.315304][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.315331][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.315358][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.315380][ T32] r4:84d49f40 [ 1353.315745][ T32] INFO: task kworker/0:719:7782 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1353.315787][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.315845][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.315905][ T32] Call trace: [ 1353.315985][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1353.316082][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1353.316109][ T32] r4:00000000 [ 1353.316130][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1353.316169][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1353.316197][ T32] dd20: c740b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1353.316225][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1353.316250][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1353.316273][ T32] r5:80070013 r4:80239bb0 [ 1353.316296][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1353.316341][ T32] r4:82ac11a4 [ 1353.316360][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1353.316405][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1353.316439][ T32] r4:e884ddc0 [ 1353.316462][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.316507][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1353.316529][ T32] r4:00000000 [ 1353.316548][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.316591][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1353.316613][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.316675][ T32] r5:00001000 r4:e884f000 [ 1353.316712][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.316796][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.316844][ T32] r5:84fe9f8c r4:84fe9c00 [ 1353.316864][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.316909][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1353.316929][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.316998][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1353.317024][ T32] r4:8454db00 [ 1353.317058][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.317106][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1353.317128][ T32] r4:00000001 [ 1353.317148][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.317183][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1353.317208][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1353.317259][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.317291][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.317322][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.317344][ T32] r4:84e5aa80 [ 1353.317364][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1353.317398][ T32] INFO: task kworker/0:720:7783 blocked for more than 479 seconds. [ 1353.317431][ T32] Not tainted 6.15.0-syzkaller #0 [ 1353.317454][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1353.317475][ T32] task:kworker/0:720 state:D stack:0 pid:7783 tgid:7783 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.317520][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.317561][ T32] Call trace: [ 1353.317591][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1353.317637][ T32] r10:8291880c r9:ee215d84 r8:00000002 r7:60000113 r6:ee215d8c r5:845a0000 [ 1353.317660][ T32] r4:845a0000 [ 1353.317678][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1353.317716][ T32] r5:845a0000 r4:82918808 [ 1353.317745][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1353.317784][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1353.317846][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee215e08 [ 1353.317891][ T32] r4:00000000 [ 1353.317913][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1353.317950][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1353.317987][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.318029][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8586e300 [ 1353.318075][ T32] r4:00000000 [ 1353.318099][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.318143][ T32] r9:83018005 r8:845a0000 r7:00000000 r6:83018000 r5:00001000 r4:7f8c9000 [ 1353.318163][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.318257][ T32] r5:00001000 r4:edeaf000 [ 1353.318309][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.318364][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.318406][ T32] r5:85d43b8c r4:85d43800 [ 1353.318428][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1353.318557][ T32] r10:61c88647 r9:845a0000 r8:859514ac r7:82804d40 r6:dddced80 r5:dddceda0 ** 5 printk messages dropped ** [ 1353.318749][ T32] Exception stack(0xee215fb0 to 0xee215ff8) ** 3 printk messages dropped ** [ 1353.318855][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 ** 1 printk messages dropped ** [ 1353.319222][ T32] INFO: task kworker/0:720:7783 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1353.319259][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.319350][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.319416][ T32] Call trace: [ 1353.319446][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1353.319494][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1353.319516][ T32] r4:00000000 [ 1353.319554][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1353.319618][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1353.319683][ T32] dd20: c740b000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1353.344796][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1353.344906][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1353.344944][ T32] r5:80070013 r4:80239bb0 [ 1353.344968][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1353.345048][ T32] r4:82ac11a4 [ 1353.345070][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1353.345118][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1353.345141][ T32] r4:e884ddc0 [ 1353.345161][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.345205][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1353.345240][ T32] r4:00000000 [ 1353.345263][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.345310][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1353.345332][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.345376][ T32] r5:00001000 r4:e884f000 [ 1353.345396][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.345445][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.345491][ T32] r5:84fe9f8c r4:84fe9c00 [ 1353.345530][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.345598][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1353.345623][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.345670][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1353.345694][ T32] r4:8454db00 [ 1353.345731][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.345780][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1353.345803][ T32] r4:00000001 [ 1353.345841][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.345883][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1353.345912][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1353.345941][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.345967][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.345995][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.346043][ T32] r4:84e5aa80 [ 1353.346074][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1353.346112][ T32] INFO: task kworker/0:721:7786 blocked for more than 479 seconds. [ 1353.346150][ T32] Not tainted 6.15.0-syzkaller #0 [ 1353.346215][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1353.346277][ T32] task:kworker/0:721 state:D stack:0 pid:7786 tgid:7786 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.346394][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.346452][ T32] Call trace: [ 1353.346511][ T32] [<81a551c4>] (__schedule) from [<81a5614c>] (schedule+0x2c/0x130) [ 1353.346572][ T32] r10:8291880c r9:ee21dd84 r8:00000002 r7:60000013 r6:ee21dd8c r5:85d76c00 [ 1353.346596][ T32] r4:85d76c00 [ 1353.346615][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1353.346654][ T32] r5:85d76c00 r4:82918808 [ 1353.346675][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1353.346722][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1353.346769][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee21de08 [ 1353.346792][ T32] r4:00000000 [ 1353.346811][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1353.346846][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1353.346883][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.346925][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8586e100 [ 1353.346948][ T32] r4:00000000 ** 1 printk messages dropped ** [ 1353.347022][ T32] r9:83018005 r8:85d76c00 r7:00000000 r6:83018000 r5:00001000 r4:7f8c7000 ** 1 printk messages dropped ** [ 1353.347102][ T32] r5:00001000 r4:edea3000 [ 1353.347122][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 3 printk messages dropped ** [ 1353.347260][ T32] r7:dddced80 r6:83018000 r5:85d4378c r4:85951580 ** 7 printk messages dropped ** [ 1353.347497][ T32] Exception stack(0xee21dfb0 to 0xee21dff8) ** 5 printk messages dropped ** [ 1353.348205][ T32] INFO: task kworker/0:721:7786 is blocked on a mutex likely owned by task kworker/1:174:3878. ** 7 printk messages dropped ** [ 1353.348541][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 7 printk messages dropped ** [ 1353.348837][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 ** 12 printk messages dropped ** [ 1353.349337][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 ** 4 printk messages dropped ** [ 1353.349492][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 ** 7 printk messages dropped ** [ 1353.358955][ T32] r4:84e5aa80 ** 5 printk messages dropped ** [ 1353.359190][ T32] Workqueue: events bpf_prog_free_deferred ** 7 printk messages dropped ** [ 1353.359605][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 9 printk messages dropped ** [ 1353.360390][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) ** 2 printk messages dropped ** [ 1353.360505][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) ** 2 printk messages dropped ** [ 1353.360619][ T32] r7:dddced80 r6:83018000 r5:85d43f8c r4:85951680 [ 1353.360640][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.360685][ T32] r10:61c88647 r9:85c28c00 r8:859516ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1353.360706][ T32] r4:85951680 [ 1353.360725][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.360767][ T32] r10:00000000 r9:85951680 r8:8027f5e8 r7:ee215e60 r6:8592c600 r5:85c28c00 [ 1353.360788][ T32] r4:00000001 [ 1353.360807][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.360843][ T32] Exception stack(0xee229fb0 to 0xee229ff8) [ 1353.360871][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1353.360899][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.360925][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.360952][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.360974][ T32] r4:8586e180 [ 1353.361498][ T32] INFO: task kworker/0:722:7788 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1353.361536][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.361599][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.361651][ T32] Call trace: [ 1353.361686][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1353.361736][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1353.361759][ T32] r4:00000000 [ 1353.361781][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1353.361817][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1353.361845][ T32] dd20: c79c2000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1353.361873][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1353.361898][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1353.361942][ T32] r5:80070013 r4:80239bb0 [ 1353.361971][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1353.362017][ T32] r4:82ac11a4 [ 1353.362051][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1353.362102][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1353.362125][ T32] r4:e884ddc0 [ 1353.362144][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.362225][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1353.362274][ T32] r4:00000000 [ 1353.362316][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.362376][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1353.362399][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.362440][ T32] r5:00001000 r4:e884f000 [ 1353.362459][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.362508][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.362559][ T32] r5:84fe9f8c r4:84fe9c00 [ 1353.362581][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.362648][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1353.362675][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.362722][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1353.362744][ T32] r4:8454db00 [ 1353.362762][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.362824][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1353.362849][ T32] r4:00000001 [ 1353.362868][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.362904][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1353.362929][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1353.362957][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.362983][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.363010][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.363052][ T32] r4:84e5aa80 [ 1353.363099][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1353.363148][ T32] INFO: task kworker/0:723:7791 blocked for more than 479 seconds. ** 3 printk messages dropped ** [ 1353.363311][ T32] Workqueue: events bpf_prog_free_deferred ** 2 printk messages dropped ** [ 1353.363435][ T32] r10:8291880c r9:ee22dd84 r8:00000002 r7:60000113 r6:ee22dd8c r5:85c2a400 ** 2 printk messages dropped ** [ 1353.363549][ T32] r5:85c2a400 r4:82918808 ** 1 printk messages dropped ** [ 1353.363611][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) ** 7 printk messages dropped ** [ 1353.363948][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) ** 2 printk messages dropped ** [ 1353.364066][ T32] r5:00001000 r4:edf75000 [ 1353.364112][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.364165][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.364208][ T32] r5:85d4838c r4:85d48000 [ 1353.364230][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) ** 2 printk messages dropped ** [ 1353.364364][ T32] r10:61c88647 r9:85c2a400 r8:8595172c r7:82804d40 r6:dddced80 r5:dddceda0 ** 7 printk messages dropped ** [ 1353.364626][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ** 6 printk messages dropped ** [ 1353.365186][ T32] Call trace: ** 4 printk messages dropped ** [ 1353.365366][ T32] Exception stack(0xe884dd28 to 0xe884dd70) ** 5 printk messages dropped ** [ 1353.365579][ T32] r4:82ac11a4 ** 5 printk messages dropped ** [ 1353.365782][ T32] r4:00000000 ** 4 printk messages dropped ** [ 1353.365936][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) ** 9 printk messages dropped ** [ 1353.366383][ T32] r4:00000001 ** 4 printk messages dropped ** [ 1353.366533][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 ** 7 printk messages dropped ** [ 1353.366778][ T32] Workqueue: events bpf_prog_free_deferred ** 3 printk messages dropped ** [ 1353.366926][ T32] r4:85c29800 [ 1353.366948][ T32] [<81a56120>] (schedule) from [<81a56534>] (schedule_preempt_disabled+0x18/0x24) [ 1353.366990][ T32] r5:85c29800 r4:82918808 [ 1353.367012][ T32] [<81a5651c>] (schedule_preempt_disabled) from [<81a58c18>] (__mutex_lock.constprop.0+0x300/0x6f8) [ 1353.367068][ T32] [<81a58918>] (__mutex_lock.constprop.0) from [<81a590e4>] (__mutex_lock_slowpath+0x14/0x18) [ 1353.367132][ T32] r10:8280c8dc r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ee239e08 [ 1353.367191][ T32] r4:00000000 [ 1353.367215][ T32] [<81a590d0>] (__mutex_lock_slowpath) from [<81a59124>] (mutex_lock+0x3c/0x40) [ 1353.367258][ T32] [<81a590e8>] (mutex_lock) from [<804e0f94>] (_vm_unmap_aliases+0x68/0x240) [ 1353.367304][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.367371][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8586e740 [ 1353.367401][ T32] r4:00000000 [ 1353.367460][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.367532][ T32] r9:83018005 r8:85c29800 r7:00000000 r6:83018000 r5:00001000 r4:7f8d5000 [ 1353.367560][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.367604][ T32] r5:00001000 r4:edf83000 [ 1353.367626][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.367664][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.367711][ T32] r5:85d4878c r4:85d48400 [ 1353.367736][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.367782][ T32] r7:dddced80 r6:83018000 r5:85d4878c r4:85951780 [ 1353.367804][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.367849][ T32] r10:61c88647 r9:85c29800 r8:859517ac r7:82804d40 r6:dddced80 r5:dddceda0 [ 1353.367872][ T32] r4:85951780 [ 1353.367894][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.367938][ T32] r10:00000000 r9:85951780 r8:8027f5e8 r7:ee22de60 r6:8592c700 r5:85c29800 [ 1353.367996][ T32] r4:00000001 [ 1353.368034][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.368087][ T32] Exception stack(0xee239fb0 to 0xee239ff8) [ 1353.368114][ T32] 9fa0: 00000000 00000000 00000000 00000000 [ 1353.368144][ T32] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.368173][ T32] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.368202][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.368226][ T32] r4:8586e400 [ 1353.368526][ T32] INFO: task kworker/0:724:7794 is blocked on a mutex likely owned by task kworker/1:174:3878. [ 1353.368559][ T32] task:kworker/1:174 state:R running task stack:0 pid:3878 tgid:3878 ppid:2 task_flags:0x4208060 flags:0x00000000 [ 1353.368640][ T32] Workqueue: events bpf_prog_free_deferred [ 1353.368714][ T32] Call trace: [ 1353.368770][ T32] [<81a551c4>] (__schedule) from [<81a56580>] (preempt_schedule_irq+0x40/0xa8) [ 1353.368821][ T32] r10:82ac1184 r9:85022400 r8:80200be4 r7:e884dd5c r6:ffffffff r5:85022400 [ 1353.368846][ T32] r4:00000000 [ 1353.368868][ T32] [<81a56540>] (preempt_schedule_irq) from [<80200c04>] (svc_preempt+0x8/0x18) [ 1353.368911][ T32] Exception stack(0xe884dd28 to 0xe884dd70) [ 1353.368942][ T32] dd20: c79c2000 e47a4000 00000001 80239b98 7f1cb000 00000001 [ 1353.368972][ T32] dd40: 82ac0560 7f1cb000 e47a4000 8280c930 82ac1184 e884dda4 e884dda8 e884dd78 [ 1353.369012][ T32] dd60: 80230ad4 80239bb0 80070013 ffffffff [ 1353.369076][ T32] r5:80070013 r4:80239bb0 [ 1353.369139][ T32] [<80230a70>] (flush_tlb_kernel_range) from [<804e0d68>] (__purge_vmap_area_lazy+0x210/0x3d4) [ 1353.369201][ T32] r4:82ac11a4 [ 1353.369227][ T32] [<804e0b58>] (__purge_vmap_area_lazy) from [<804e1110>] (_vm_unmap_aliases+0x1e4/0x240) [ 1353.369279][ T32] r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:e884ddc0 r5:e884de08 [ 1353.369309][ T32] r4:e884ddc0 [ 1353.369330][ T32] [<804e0f2c>] (_vm_unmap_aliases) from [<804e4e74>] (vfree+0x168/0x204) [ 1353.369396][ T32] r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e5ad00 [ 1353.369424][ T32] r4:00000000 [ 1353.369447][ T32] [<804e4d0c>] (vfree) from [<8054472c>] (execmem_free+0x30/0x50) [ 1353.369493][ T32] r9:83018205 r8:85022400 r7:00000000 r6:83018200 r5:00001000 r4:7f0a5000 [ 1353.369518][ T32] [<805446fc>] (execmem_free) from [<803c515c>] (bpf_jit_free_exec+0x10/0x14) [ 1353.369582][ T32] r5:00001000 r4:e884f000 [ 1353.369610][ T32] [<803c514c>] (bpf_jit_free_exec) from [<803c553c>] (bpf_jit_free+0x68/0xe4) [ 1353.369680][ T32] [<803c54d4>] (bpf_jit_free) from [<803c6698>] (bpf_prog_free_deferred+0x14c/0x164) [ 1353.400330][ T32] r5:84fe9f8c r4:84fe9c00 [ 1353.400376][ T32] [<803c654c>] (bpf_prog_free_deferred) from [<8027eb9c>] (process_one_work+0x1b4/0x4f4) [ 1353.400451][ T32] r7:ddde2d80 r6:83018200 r5:84fe9f8c r4:8454db00 [ 1353.400474][ T32] [<8027e9e8>] (process_one_work) from [<8027f7e4>] (worker_thread+0x1fc/0x3d8) [ 1353.400520][ T32] r10:61c88647 r9:85022400 r8:8454db2c r7:82804d40 r6:ddde2d80 r5:ddde2da0 [ 1353.400542][ T32] r4:8454db00 [ 1353.400587][ T32] [<8027f5e8>] (worker_thread) from [<80286810>] (kthread+0x12c/0x280) [ 1353.400638][ T32] r10:00000000 r9:8454db00 r8:8027f5e8 r7:e8839e60 r6:8454db80 r5:85022400 [ 1353.400661][ T32] r4:00000001 [ 1353.400680][ T32] [<802866e4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20) [ 1353.400718][ T32] Exception stack(0xe884dfb0 to 0xe884dff8) [ 1353.400747][ T32] dfa0: 00000000 00000000 00000000 00000000 [ 1353.400775][ T32] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1353.400801][ T32] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1353.400829][ T32] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802866e4 [ 1353.400868][ T32] r4:84e5aa80 [ 1353.400902][ T32] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1353.400945][ T32] INFO: task kworker/0:725:7796 blocked for more than 479 seconds. [ 1353.400980][ T32] Not tainted 6.15.0-syzkaller #0 [ 1353.401005][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. VM DIAGNOSIS: 01:56:57 Registers: info registers vcpu 0 CPU#0 R00=00000003 R01=7ec50858 R02=000000a1 R03=00004000 R04=00000000 R05=00000000 R06=7ec50858 R07=00000121 R08=7ec50858 R09=00000086 R10=000000a1 R11=00000000 R12=00000001 R13=7ec50770 R14=00000000 R15=76dcf590 PSR=200c0010 --C- A S usr32 s00=20202033 s01=69677420 d00=6967742020202033 s02=33343a64 s03=20202020 d01=2020202033343a64 s04=64697070 s05=2020323a d02=2020323a64697070 s06=20202020 s07=6b736174 d03=6b73617420202020 s08=616c665f s09=303a7367 d04=303a7367616c665f s10=30323478 s11=30363038 d05=3036303830323478 s12=616c6620 s13=303a7367 d06=303a7367616c6620 s14=30303078 s15=30303030 d07=3030303030303078 s16=00000000 s17=00000000 d08=0000000000000000 s18=00000000 s19=00000000 d09=0000000000000000 s20=00000000 s21=00000000 d10=0000000000000000 s22=00000000 s23=00000000 d11=0000000000000000 s24=00000000 s25=00000000 d12=0000000000000000 s26=00000000 s27=00000000 d13=0000000000000000 s28=00000000 s29=00000000 d14=0000000000000000 s30=00000000 s31=00000000 d15=0000000000000000 s32=00000000 s33=00000000 d16=0000000000000000 s34=00000000 s35=00000000 d17=0000000000000000 s36=00000000 s37=00000000 d18=0000000000000000 s38=00000000 s39=00000000 d19=0000000000000000 s40=00000000 s41=00000000 d20=0000000000000000 s42=00000000 s43=00000000 d21=0000000000000000 s44=00000000 s45=00000000 d22=0000000000000000 s46=00000000 s47=00000000 d23=0000000000000000 s48=00000000 s49=00000000 d24=0000000000000000 s50=00000000 s51=00000000 d25=0000000000000000 s52=00000000 s53=00000000 d26=0000000000000000 s54=00000000 s55=00000000 d27=0000000000000000 s56=00000000 s57=00000000 d28=0000000000000000 s58=00000000 s59=00000000 d29=0000000000000000 s60=00000000 s61=00000000 d30=0000000000000000 s62=00000000 s63=00000000 d31=0000000000000000 FPSCR: 00000000 info registers vcpu 1 CPU#1 R00=00000000 R01=00000000 R02=00000000 R03=83251800 R04=832d0e00 R05=822419d0 R06=00007fd9 R07=832f4e28 R08=829f1ba7 R09=00019000 R10=82804d40 R11=df8e1ee4 R12=df8e1dc8 R13=df8e1e80 R14=802e29b0 R15=8028121c PSR=60070113 -ZC- A S svc32 s00=6374652f s01=636f6c2f d00=636f6c2f6374652f s02=00000000 s03=00000000 d01=0000000000000000 s04=00000000 s05=00000000 d02=0000000000000000 s06=00000000 s07=00000000 d03=0000000000000000 s08=00000000 s09=00000000 d04=0000000000000000 s10=00000000 s11=00000000 d05=0000000000000000 s12=00000000 s13=00000000 d06=0000000000000000 s14=ffffffff s15=ffffffff d07=ffffffffffffffff s16=00000000 s17=00000000 d08=0000000000000000 s18=00000000 s19=00000000 d09=0000000000000000 s20=00000000 s21=00000000 d10=0000000000000000 s22=00000000 s23=00000000 d11=0000000000000000 s24=00000000 s25=00000000 d12=0000000000000000 s26=00000000 s27=00000000 d13=0000000000000000 s28=00000000 s29=00000000 d14=0000000000000000 s30=00000000 s31=00000000 d15=0000000000000000 s32=00000000 s33=00000000 d16=0000000000000000 s34=00000000 s35=00000000 d17=0000000000000000 s36=00000000 s37=00000000 d18=0000000000000000 s38=00000000 s39=00000000 d19=0000000000000000 s40=00000000 s41=00000000 d20=0000000000000000 s42=00000000 s43=00000000 d21=0000000000000000 s44=00000000 s45=00000000 d22=0000000000000000 s46=00000000 s47=00000000 d23=0000000000000000 s48=00000000 s49=00000000 d24=0000000000000000 s50=00000000 s51=00000000 d25=0000000000000000 s52=00000000 s53=00000000 d26=0000000000000000 s54=00000000 s55=00000000 d27=0000000000000000 s56=00000000 s57=00000000 d28=0000000000000000 s58=00000000 s59=00000000 d29=0000000000000000 s60=00000000 s61=00000000 d30=0000000000000000 s62=00000000 s63=00000000 d31=0000000000000000 FPSCR: 00000000