Oops: general protection fault, probably for non-canonical address 0xdffffc000000001e: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x00000000000000f0-0x00000000000000f7] CPU: 1 UID: 0 PID: 8493 Comm: syz.3.588 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:mnt_ns_empty fs/mount.h:197 [inline] RIP: 0010:grab_requested_root+0xde/0x3c0 fs/namespace.c:5636 Code: 02 00 00 49 39 5d 18 0f 84 cd 01 00 00 e8 5a d9 76 ff 48 8d bb 08 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 82 02 00 00 48 8b 83 08 01 00 00 48 85 c0 0f 84 RSP: 0018:ffffc90005e8fd88 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffffffffffffffea RCX: ffffc90006a9a000 RDX: 000000000000001e RSI: ffffffff82911fc6 RDI: 00000000000000f2 RBP: ffffc90005e8fdb0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88805e865ac0 R13: ffff888063b8ee38 R14: ffff88807ad32828 R15: ffff88807ad32810 FS: 00007fcafd6906c0(0000) GS:ffff888124454000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30c0dff8 CR3: 000000007c880000 CR4: 00000000003526f0 Call Trace: do_statmount fs/namespace.c:5699 [inline] __do_sys_statmount+0x359/0x2440 fs/namespace.c:5949 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcafc79c139 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fcafd690028 EFLAGS: 00000246 ORIG_RAX: 00000000000001c9 RAX: ffffffffffffffda RBX: 00007fcafca15fa0 RCX: 00007fcafc79c139 RDX: 00000000000001fe RSI: 0000200000000180 RDI: 0000000000000000 RBP: 00007fcafc8327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fcafca16038 R14: 00007fcafca15fa0 R15: 00007ffe236fc218 Modules linked in: ---[ end trace 0000000000000000 ]--- __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-kmems state:I stack:30792 pid:2843 tgid:2843 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-iw_cm state:I stack:30880 pid:2847 tgid:2847 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-rdma_ state:I stack:30880 pid:2848 tgid:2848 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-mlx4_ state:I stack:30880 pid:2852 tgid:2852 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-mlx4_ state:I stack:30880 pid:2853 tgid:2853 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-srp_r state:I stack:30376 pid:2855 tgid:2855 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-siw_c state:I stack:30880 pid:2858 tgid:2858 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:siw_tx/0 state:S stack:30736 pid:2859 tgid:2859 ppid:2 task_flags:0x4208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 siw_run_sq+0x24a/0x410 drivers/infiniband/sw/siw/siw_qp_tx.c:1254 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-qat_m state:I stack:30880 pid:2870 tgid:2870 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-qat_d state:I stack:30808 pid:2871 tgid:2871 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-qat_p state:I stack:30880 pid:2872 tgid:2872 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-adf_v state:I stack:30696 pid:2873 tgid:2873 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-elous state:I stack:30640 pid:2915 tgid:2915 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-tls-s state:I stack:30880 pid:3182 tgid:3182 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-mld state:I stack:27224 pid:3183 tgid:3183 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: 0x0 (mld) Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-ipv6_ state:I stack:30880 pid:3184 tgid:3184 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-dsa_o state:I stack:30880 pid:3197 tgid:3197 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:krfcommd state:S stack:29528 pid:3390 tgid:3390 ppid:2 task_flags:0x208140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_timeout+0x1b2/0x280 kernel/time/sleep_timeout.c:75 wait_woken+0x172/0x1c0 kernel/sched/wait.c:442 rfcomm_run+0x189d/0x54f0 net/bluetooth/rfcomm/core.c:2129 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-krxrp state:I stack:29608 pid:3391 tgid:3391 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-kkcmd state:I stack:30880 pid:3395 tgid:3395 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-kstrp state:I stack:30880 pid:3396 tgid:3396 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-krdsd state:I stack:30880 pid:3397 tgid:3397 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-rds_m state:I stack:30792 pid:3398 tgid:3398 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-ism_e state:I stack:30792 pid:3399 tgid:3399 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-ceph- state:I stack:30880 pid:3408 tgid:3408 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-bat_e state:I stack:30792 pid:3409 tgid:3409 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/u8:9 state:R running task stack:24088 pid:3479 tgid:3479 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: events_unbound toggle_allocation_gate Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 preempt_schedule_common+0x42/0xc0 kernel/sched/core.c:7091 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12 on_each_cpu_cond_mask+0x7a/0x90 kernel/smp.c:1044 on_each_cpu include/linux/smp.h:72 [inline] smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2746 [inline] smp_text_poke_batch_finish+0x337/0xc60 arch/x86/kernel/alternative.c:2956 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 jump_label_update+0x37a/0x550 kernel/jump_label.c:919 static_key_enable_cpuslocked+0x1bc/0x270 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 toggle_allocation_gate mm/kfence/core.c:899 [inline] toggle_allocation_gate+0xfe/0x2d0 mm/kfence/core.c:891 process_one_work+0x9d7/0x1920 kernel/workqueue.c:3275 process_scheduled_works kernel/workqueue.c:3358 [inline] worker_thread+0x5da/0xe40 kernel/workqueue.c:3439 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-zswap state:I stack:31000 pid:5139 tgid:5139 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-kafsd state:I stack:31000 pid:5141 tgid:5141 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-kafs_ state:I stack:31000 pid:5142 tgid:5142 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:krxrpcio/7001 state:S stack:30192 pid:5143 tgid:5143 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rxrpc_io_thread+0x19bc/0x3a40 net/rxrpc/io_thread.c:593 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/u9:1 state:I stack:26152 pid:5144 tgid:5144 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: 0x0 (krxrpcd) Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 worker_thread+0x526/0xe40 kernel/workqueue.c:3454 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:jbd2/sda1-8 state:S stack:25960 pid:5155 tgid:5155 ppid:2 task_flags:0x240040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 kjournald2+0x5b3/0x760 fs/jbd2/journal.c:230 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/R-ext4- state:I stack:31000 pid:5156 tgid:5156 ppid:2 task_flags:0x4208060 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 rescuer_thread+0xcdf/0x1490 kernel/workqueue.c:3631 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:syslogd state:S stack:24904 pid:5175 tgid:5175 ppid:1 task_flags:0x400000 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_timeout+0x1b2/0x280 kernel/time/sleep_timeout.c:75 __skb_wait_for_more_packets+0x383/0x610 net/core/datagram.c:123 __unix_dgram_recvmsg+0x22e/0xc30 net/unix/af_unix.c:2584 unix_dgram_recvmsg+0xd0/0x110 net/unix/af_unix.c:2670 sock_recvmsg_nosec net/socket.c:1078 [inline] sock_recvmsg+0x1f9/0x250 net/socket.c:1100 sock_read_iter+0x2c6/0x3c0 net/socket.c:1170 new_sync_read fs/read_write.c:493 [inline] vfs_read+0x957/0xb30 fs/read_write.c:574 ksys_read+0x1f8/0x250 fs/read_write.c:717 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2922802407 RSP: 002b:00007ffdeac8a110 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f29226b2c80 RCX: 00007f2922802407 RDX: 00000000000000ff RSI: 0000555f45d75950 RDI: 0000000000000000 RBP: 0000555f45d75910 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000555f45d759b9 R13: 0000000000000000 R14: 0000555f45d75950 R15: 0000555f1126ad98 task:acpid state:S stack:22840 pid:5178 tgid:5178 ppid:1 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_select+0x13a3/0x1850 fs/select.c:603 core_sys_select+0x55b/0xbb0 fs/select.c:677 do_pselect.constprop.0+0x238/0x270 fs/select.c:759 __do_sys_pselect6 fs/select.c:798 [inline] __se_sys_pselect6 fs/select.c:789 [inline] __x64_sys_pselect6+0x149/0x1c0 fs/select.c:789 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f72ccd01407 RSP: 002b:00007ffca24bf4f0 EFLAGS: 00000202 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 00007f72ccc77740 RCX: 00007f72ccd01407 RDX: 0000000000000000 RSI: 00007ffca24bf600 RDI: 000000000000000b RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00005602ce4811e4 R13: 0000000000000000 R14: 0000000000000006 R15: 0000000000000009 task:klogd state:R running task stack:24888 pid:5182 tgid:5182 ppid:1 task_flags:0x400100 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 syslog_print+0x218/0x620 kernel/printk/printk.c:1611 do_syslog+0x5bd/0x6d0 kernel/printk/printk.c:1763 __do_sys_syslog kernel/printk/printk.c:1855 [inline] __se_sys_syslog kernel/printk/printk.c:1853 [inline] __x64_sys_syslog+0x74/0xb0 kernel/printk/printk.c:1853 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd8963e3a37 RSP: 002b:00007fffa0f05d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 RAX: ffffffffffffffda RBX: 00007fd896583490 RCX: 00007fd8963e3a37 RDX: 00000000000003ff RSI: 00007fd896583490 RDI: 0000000000000002 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000206 R12: 00007fd896583490 R13: 00007fd896560dfe R14: 00007fd8965834e2 R15: 00007fd8965834e2 task:udevd state:S stack:24136 pid:5193 tgid:5193 ppid:1 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x21b/0x320 kernel/time/sleep_timeout.c:216 ep_poll fs/eventpoll.c:2028 [inline] do_epoll_wait+0xdc3/0x1020 fs/eventpoll.c:2461 __do_sys_epoll_wait fs/eventpoll.c:2469 [inline] __se_sys_epoll_wait fs/eventpoll.c:2464 [inline] __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2464 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff9bbca7407 RSP: 002b:00007ffeb6aecad0 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 00007ff9bc35d880 RCX: 00007ff9bbca7407 RDX: 0000000000000008 RSI: 00007ffeb6aecc30 RDI: 000000000000000b RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000bb8 R11: 0000000000000202 R12: 0000000000000000 R13: 0000561052017100 R14: 0000000000000000 R15: 0000000000000000 task:dbus-daemon state:S stack:27944 pid:5472 tgid:5472 ppid:1 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207 ep_poll fs/eventpoll.c:2028 [inline] do_epoll_wait+0xdc3/0x1020 fs/eventpoll.c:2461 __do_sys_epoll_wait fs/eventpoll.c:2469 [inline] __se_sys_epoll_wait fs/eventpoll.c:2464 [inline] __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2464 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f340ff54407 RSP: 002b:00007ffeb3b12e30 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 00007f340fe66840 RCX: 00007f340ff54407 RDX: 0000000000000040 RSI: 00007ffeb3b12e80 RDI: 0000000000000003 RBP: 000055f30d0d1f28 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000202 R12: ffffffffffffffff R13: 000055f30d0d18e0 R14: 0000000000000001 R15: 0000000000000000 task:dhcpcd state:S stack:26264 pid:5487 tgid:5487 ppid:1 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x21b/0x320 kernel/time/sleep_timeout.c:216 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_poll fs/select.c:954 [inline] do_sys_poll+0x9ab/0xeb0 fs/select.c:1005 __do_sys_ppoll fs/select.c:1107 [inline] __se_sys_ppoll fs/select.c:1087 [inline] __x64_sys_ppoll+0x2b5/0x350 fs/select.c:1087 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc23ac12407 RSP: 002b:00007ffe75237190 EFLAGS: 00000202 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007fc23ab88740 RCX: 00007fc23ac12407 RDX: 00007ffe752371d0 RSI: 0000000000000005 RDI: 0000562e278c8b80 RBP: 00007ffe752374d0 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe752374d0 R11: 0000000000000202 R12: 0000562e1f2d65e0 R13: 0000562e278e0d40 R14: 0000000000000000 R15: 00007ffe75237280 task:dhcpcd state:S stack:22520 pid:5488 tgid:5488 ppid:5487 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_poll fs/select.c:954 [inline] do_sys_poll+0x9ab/0xeb0 fs/select.c:1005 __do_sys_ppoll fs/select.c:1107 [inline] __se_sys_ppoll fs/select.c:1087 [inline] __x64_sys_ppoll+0x2b5/0x350 fs/select.c:1087 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc23ac12407 RSP: 002b:00007ffe75237190 EFLAGS: 00000202 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007fc23ab88740 RCX: 00007fc23ac12407 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000562e278e64a0 RBP: 00007ffe752374d0 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe752374d0 R11: 0000000000000202 R12: 0000562e1f2d65e0 R13: 0000562e278e0d40 R14: 00000000ffffffff R15: 00007ffe75237280 task:dhcpcd state:S stack:27832 pid:5489 tgid:5489 ppid:5487 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_poll fs/select.c:954 [inline] do_sys_poll+0x9ab/0xeb0 fs/select.c:1005 __do_sys_ppoll fs/select.c:1107 [inline] __se_sys_ppoll fs/select.c:1087 [inline] __x64_sys_ppoll+0x2b5/0x350 fs/select.c:1087 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc23ac12407 RSP: 002b:00007ffe75237190 EFLAGS: 00000202 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007fc23ab88740 RCX: 00007fc23ac12407 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000562e278e65f0 RBP: 00007ffe752374d0 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe752374d0 R11: 0000000000000202 R12: 0000562e1f2d65e0 R13: 0000562e278e0d40 R14: 0000000000000000 R15: 00007ffe75237280 task:dhcpcd state:S stack:27832 pid:5490 tgid:5490 ppid:5487 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_poll fs/select.c:954 [inline] do_sys_poll+0x9ab/0xeb0 fs/select.c:1005 __do_sys_ppoll fs/select.c:1107 [inline] __se_sys_ppoll fs/select.c:1087 [inline] __x64_sys_ppoll+0x2b5/0x350 fs/select.c:1087 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc23ac12407 RSP: 002b:00007ffe75237190 EFLAGS: 00000202 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007fc23ab88740 RCX: 00007fc23ac12407 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000562e278e6850 RBP: 00007ffe752374d0 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe752374d0 R11: 0000000000000202 R12: 0000562e1f2d65e0 R13: 0000562e278e0d40 R14: 0000000000000000 R15: 00007ffe75237280 task:crond state:S stack:25656 pid:5566 tgid:5566 ppid:1 task_flags:0x400000 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 do_nanosleep+0x206/0x560 kernel/time/hrtimer.c:2124 hrtimer_nanosleep+0x156/0x360 kernel/time/hrtimer.c:2171 common_nsleep+0xa1/0xd0 kernel/time/posix-timers.c:1345 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1391 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1368 [inline] __x64_sys_clock_nanosleep+0x336/0x480 kernel/time/posix-timers.c:1368 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa23f4bc407 RSP: 002b:00007fff11868590 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 00007fa23f36cc80 RCX: 00007fa23f4bc407 RDX: 00007fff118685d0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 00007fff118685d0 R11: 0000000000000202 R12: 0000000000000000 R13: 000000000000003c R14: 0000000000000000 R15: 000000000000003a task:sshd state:S stack:26568 pid:5577 tgid:5577 ppid:1 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_poll fs/select.c:954 [inline] do_sys_poll+0x9ab/0xeb0 fs/select.c:1005 __do_sys_ppoll fs/select.c:1107 [inline] __se_sys_ppoll fs/select.c:1087 [inline] __x64_sys_ppoll+0x2b5/0x350 fs/select.c:1087 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8c248a7407 RSP: 002b:00007ffd225a6100 EFLAGS: 00000202 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007f8c24f70300 RCX: 00007f8c248a7407 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00005592cd5af1b0 RBP: 0000000000000002 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffd225a63d0 R11: 0000000000000202 R12: 0000000000000064 R13: 0000000000000000 R14: 00005592b00f9004 R15: 0000000000000002 task:getty state:S stack:22840 pid:5579 tgid:5579 ppid:1 task_flags:0x400000 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_timeout+0x1b2/0x280 kernel/time/sleep_timeout.c:75 wait_woken+0x172/0x1c0 kernel/sched/wait.c:442 n_tty_wait_for_input drivers/tty/n_tty.c:2158 [inline] n_tty_read+0xe81/0x1500 drivers/tty/n_tty.c:2253 iterate_tty_read drivers/tty/tty_io.c:847 [inline] tty_read+0x2cf/0x550 drivers/tty/tty_io.c:922 new_sync_read fs/read_write.c:493 [inline] vfs_read+0x825/0xb30 fs/read_write.c:574 ksys_read+0x12a/0x250 fs/read_write.c:717 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f58cea8c407 RSP: 002b:00007ffde8abb550 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f58ce93cc80 RCX: 00007f58cea8c407 RDX: 0000000000000001 RSI: 00007ffde8abb5b0 RDI: 0000000000000000 RBP: 000055fa047059ac R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000055fa047059ac R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000002 task:dhcpcd state:S stack:27144 pid:5624 tgid:5624 ppid:5488 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_poll fs/select.c:954 [inline] do_sys_poll+0x9ab/0xeb0 fs/select.c:1005 __do_sys_ppoll fs/select.c:1107 [inline] __se_sys_ppoll fs/select.c:1087 [inline] __x64_sys_ppoll+0x2b5/0x350 fs/select.c:1087 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc23ac12407 RSP: 002b:00007ffe75237190 EFLAGS: 00000202 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007fc23ab88740 RCX: 00007fc23ac12407 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000562e278ed360 RBP: 00007ffe752374d0 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe752374d0 R11: 0000000000000202 R12: 0000562e1f2d65e0 R13: 0000562e278e0d40 R14: 0000000000000000 R15: 00007ffe75237280 task:dhcpcd state:S stack:26088 pid:5625 tgid:5625 ppid:5488 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_poll fs/select.c:954 [inline] do_sys_poll+0x9ab/0xeb0 fs/select.c:1005 __do_sys_ppoll fs/select.c:1107 [inline] __se_sys_ppoll fs/select.c:1087 [inline] __x64_sys_ppoll+0x2b5/0x350 fs/select.c:1087 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc23ac12407 RSP: 002b:00007ffe75237190 EFLAGS: 00000202 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007fc23ab88740 RCX: 00007fc23ac12407 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000562e278ed360 RBP: 00007ffe752374d0 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe752374d0 R11: 0000000000000202 R12: 0000562e1f2d65e0 R13: 0000562e278e0d40 R14: 0000000000000000 R15: 00007ffe75237280 task:dhcpcd state:S stack:27144 pid:5627 tgid:5627 ppid:5488 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_poll fs/select.c:954 [inline] do_sys_poll+0x9ab/0xeb0 fs/select.c:1005 __do_sys_ppoll fs/select.c:1107 [inline] __se_sys_ppoll fs/select.c:1087 [inline] __x64_sys_ppoll+0x2b5/0x350 fs/select.c:1087 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc23ac12407 RSP: 002b:00007ffe75237190 EFLAGS: 00000202 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007fc23ab88740 RCX: 00007fc23ac12407 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000562e278ed360 RBP: 00007ffe752374d0 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe752374d0 R11: 0000000000000202 R12: 0000562e1f2d65e0 R13: 0000562e278e0d40 R14: 0000000000000000 R15: 00007ffe75237280 task:dhcpcd state:S stack:27144 pid:5630 tgid:5630 ppid:5488 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_poll fs/select.c:954 [inline] do_sys_poll+0x9ab/0xeb0 fs/select.c:1005 __do_sys_ppoll fs/select.c:1107 [inline] __se_sys_ppoll fs/select.c:1087 [inline] __x64_sys_ppoll+0x2b5/0x350 fs/select.c:1087 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc23ac12407 RSP: 002b:00007ffe75237190 EFLAGS: 00000202 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007fc23ab88740 RCX: 00007fc23ac12407 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000562e278ed360 RBP: 00007ffe752374d0 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe752374d0 R11: 0000000000000202 R12: 0000562e1f2d65e0 R13: 0000562e278e0d40 R14: 0000000000000000 R15: 00007ffe75237280 task:dhcpcd state:S stack:27144 pid:5636 tgid:5636 ppid:5488 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_poll fs/select.c:954 [inline] do_sys_poll+0x9ab/0xeb0 fs/select.c:1005 __do_sys_ppoll fs/select.c:1107 [inline] __se_sys_ppoll fs/select.c:1087 [inline] __x64_sys_ppoll+0x2b5/0x350 fs/select.c:1087 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc23ac12407 RSP: 002b:00007ffe75237190 EFLAGS: 00000202 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007fc23ab88740 RCX: 00007fc23ac12407 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000562e278ed360 RBP: 00007ffe752374d0 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe752374d0 R11: 0000000000000202 R12: 0000562e1f2d65e0 R13: 0000562e278e0d40 R14: 0000000000000000 R15: 00007ffe75237280 task:dhcpcd state:S stack:27144 pid:5640 tgid:5640 ppid:5488 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_poll fs/select.c:954 [inline] do_sys_poll+0x9ab/0xeb0 fs/select.c:1005 __do_sys_ppoll fs/select.c:1107 [inline] __se_sys_ppoll fs/select.c:1087 [inline] __x64_sys_ppoll+0x2b5/0x350 fs/select.c:1087 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc23ac12407 RSP: 002b:00007ffe75237190 EFLAGS: 00000202 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007fc23ab88740 RCX: 00007fc23ac12407 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000562e278ed360 RBP: 00007ffe752374d0 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe752374d0 R11: 0000000000000202 R12: 0000562e1f2d65e0 R13: 0000562e278e0d40 R14: 0000000000000000 R15: 00007ffe75237280 task:dhcpcd state:S stack:27080 pid:5643 tgid:5643 ppid:5488 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_poll fs/select.c:954 [inline] do_sys_poll+0x9ab/0xeb0 fs/select.c:1005 __do_sys_ppoll fs/select.c:1107 [inline] __se_sys_ppoll fs/select.c:1087 [inline] __x64_sys_ppoll+0x2b5/0x350 fs/select.c:1087 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc23ac12407 RSP: 002b:00007ffe75237190 EFLAGS: 00000202 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007fc23ab88740 RCX: 00007fc23ac12407 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000562e278ed360 RBP: 00007ffe752374d0 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffe752374d0 R11: 0000000000000202 R12: 0000562e1f2d65e0 R13: 0000562e278e0d40 R14: 0000000000000000 R15: 00007ffe75237280 task:sshd-session state:S stack:25656 pid:5807 tgid:5807 ppid:5577 task_flags:0x400000 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_poll fs/select.c:954 [inline] do_sys_poll+0x9ab/0xeb0 fs/select.c:1005 __do_sys_poll fs/select.c:1067 [inline] __se_sys_poll fs/select.c:1055 [inline] __x64_sys_poll+0x109/0x420 fs/select.c:1055 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3f140a7407 RSP: 002b:00007ffd27b20c20 EFLAGS: 00000202 ORIG_RAX: 0000000000000007 RAX: ffffffffffffffda RBX: 00007f3f14758300 RCX: 00007f3f140a7407 RDX: ffffffffffffffff RSI: 0000000000000001 RDI: 00007ffd27b20c90 RBP: 0000564013c111a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd27b20c90 R13: 0000000000000000 R14: 00005640345c2970 R15: 00000000000016b0 task:sshd-session state:S stack:26456 pid:5809 tgid:5809 ppid:5807 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 schedule_hrtimeout_range_clock+0x21b/0x320 kernel/time/sleep_timeout.c:216 poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241 do_poll fs/select.c:954 [inline] do_sys_poll+0x9ab/0xeb0 fs/select.c:1005 __do_sys_ppoll fs/select.c:1107 [inline] __se_sys_ppoll fs/select.c:1087 [inline] __x64_sys_ppoll+0x2b5/0x350 fs/select.c:1087 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3f140a7407 RSP: 002b:00007ffd27b206c0 EFLAGS: 00000202 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00007f3f14758300 RCX: 00007f3f140a7407 RDX: 00007ffd27b20700 RSI: 0000000000000004 RDI: 00005640345cb150 RBP: 00007ffd27b20770 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffd27b20800 R11: 0000000000000202 R12: 0000000000000001 R13: 00007ffd27b20800 R14: 0000000000000053 R15: 0000000000000004 task:syz-executor state:S stack:23224 pid:5810 tgid:5810 ppid:5809 task_flags:0x400100 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 __schedule_loop kernel/sched/core.c:6989 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7004 do_nanosleep+0x206/0x560 kernel/time/hrtimer.c:2124 hrtimer_nanosleep+0x156/0x360 kernel/time/hrtimer.c:2171 common_nsleep+0xa1/0xd0 kernel/time/posix-timers.c:1345 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1391 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1368 [inline] __x64_sys_clock_nanosleep+0x336/0x480 kernel/time/posix-timers.c:1368 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe21b757357 RSP: 002b:00007fff72878d60 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6 ---------------- Code disassembly (best guess): 0: 02 00 add (%rax),%al 2: 00 49 39 add %cl,0x39(%rcx) 5: 5d pop %rbp 6: 18 0f sbb %cl,(%rdi) 8: 84 cd test %cl,%ch a: 01 00 add %eax,(%rax) c: 00 e8 add %ch,%al e: 5a pop %rdx f: d9 76 ff fnstenv -0x1(%rsi) 12: 48 8d bb 08 01 00 00 lea 0x108(%rbx),%rdi 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 82 02 00 00 jne 0x2b6 34: 48 8b 83 08 01 00 00 mov 0x108(%rbx),%rax 3b: 48 85 c0 test %rax,%rax 3e: 0f .byte 0xf 3f: 84 .byte 0x84