syzkaller syzkaller login: [ 13.138784][ T24] kauditd_printk_skb: 48 callbacks suppressed [ 13.138796][ T24] audit: type=1400 audit(1753235954.930:59): avc: denied { transition } for pid=217 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.148339][ T24] audit: type=1400 audit(1753235954.930:60): avc: denied { noatsecure } for pid=217 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.155330][ T24] audit: type=1400 audit(1753235954.930:61): avc: denied { write } for pid=217 comm="sh" path="pipe:[13699]" dev="pipefs" ino=13699 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 13.165002][ T24] audit: type=1400 audit(1753235954.930:62): avc: denied { rlimitinh } for pid=217 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.183591][ T24] audit: type=1400 audit(1753235954.930:63): avc: denied { siginh } for pid=217 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.203' (ED25519) to the list of known hosts. 2025/07/23 02:03:22 ignoring optional flag "sandboxArg"="0" 2025/07/23 02:03:23 parsed 1 programs [ 261.477259][ T24] audit: type=1400 audit(1753236203.270:64): avc: denied { node_bind } for pid=275 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 261.498044][ T24] audit: type=1400 audit(1753236203.270:65): avc: denied { create } for pid=275 comm="syz-execprog" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rawip_socket permissive=1 [ 261.517856][ T24] audit: type=1400 audit(1753236203.270:66): avc: denied { module_request } for pid=275 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 262.210930][ T24] audit: type=1400 audit(1753236204.000:67): avc: denied { mounton } for pid=283 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 262.212165][ T283] cgroup: Unknown subsys name 'net' [ 262.233604][ T24] audit: type=1400 audit(1753236204.000:68): avc: denied { mount } for pid=283 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 262.260925][ T24] audit: type=1400 audit(1753236204.040:69): avc: denied { unmount } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 262.261143][ T283] cgroup: Unknown subsys name 'devices' [ 262.466345][ T283] cgroup: Unknown subsys name 'hugetlb' [ 262.472105][ T283] cgroup: Unknown subsys name 'rlimit' [ 262.669608][ T24] audit: type=1400 audit(1753236204.460:70): avc: denied { setattr } for pid=283 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 262.692952][ T24] audit: type=1400 audit(1753236204.460:71): avc: denied { create } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 262.698500][ T286] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 262.721987][ T24] audit: type=1400 audit(1753236204.460:72): avc: denied { write } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 262.742320][ T24] audit: type=1400 audit(1753236204.460:73): avc: denied { read } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 262.762552][ T283] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 263.190820][ T292] request_module fs-gadgetfs succeeded, but still no fs? [ 263.202186][ T292] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 263.520683][ T323] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.527923][ T323] bridge0: port 1(bridge_slave_0) entered disabled state [ 263.535552][ T323] device bridge_slave_0 entered promiscuous mode [ 263.543274][ T323] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.550350][ T323] bridge0: port 2(bridge_slave_1) entered disabled state [ 263.557664][ T323] device bridge_slave_1 entered promiscuous mode [ 263.587570][ T323] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.594632][ T323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 263.601972][ T323] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.609024][ T323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 263.630401][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 263.638313][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 263.646105][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 263.655817][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 263.664205][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 263.671282][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 263.679554][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 263.688009][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 263.695083][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 263.706003][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 263.715034][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 263.727554][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 263.737964][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 263.746049][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 263.753382][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 263.762030][ T323] device veth0_vlan entered promiscuous mode [ 263.771347][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 263.780178][ T323] device veth1_macvtap entered promiscuous mode [ 263.788917][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 263.798555][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/07/23 02:03:25 executed programs: 0 [ 264.210356][ T350] bridge0: port 1(bridge_slave_0) entered blocking state [ 264.217434][ T350] bridge0: port 1(bridge_slave_0) entered disabled state [ 264.224839][ T350] device bridge_slave_0 entered promiscuous mode [ 264.231722][ T350] bridge0: port 2(bridge_slave_1) entered blocking state [ 264.239210][ T350] bridge0: port 2(bridge_slave_1) entered disabled state [ 264.246698][ T350] device bridge_slave_1 entered promiscuous mode [ 264.282941][ T350] bridge0: port 2(bridge_slave_1) entered blocking state [ 264.289998][ T350] bridge0: port 2(bridge_slave_1) entered forwarding state [ 264.297280][ T350] bridge0: port 1(bridge_slave_0) entered blocking state [ 264.304415][ T350] bridge0: port 1(bridge_slave_0) entered forwarding state [ 264.323305][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 264.330988][ T297] bridge0: port 1(bridge_slave_0) entered disabled state [ 264.338441][ T297] bridge0: port 2(bridge_slave_1) entered disabled state [ 264.352820][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 264.361125][ T297] bridge0: port 1(bridge_slave_0) entered blocking state [ 264.368188][ T297] bridge0: port 1(bridge_slave_0) entered forwarding state [ 264.376836][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 264.385210][ T297] bridge0: port 2(bridge_slave_1) entered blocking state [ 264.392240][ T297] bridge0: port 2(bridge_slave_1) entered forwarding state [ 264.403048][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 264.412784][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 264.432134][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 264.444649][ T350] device veth0_vlan entered promiscuous mode [ 264.451095][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 264.459316][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 264.470429][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 264.478304][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 264.487520][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 264.495985][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 264.505797][ T350] device veth1_macvtap entered promiscuous mode [ 264.513903][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 264.521679][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 264.529971][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 264.540730][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 264.549061][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 265.465742][ T7] device bridge_slave_1 left promiscuous mode [ 265.644801][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 265.755477][ T7] device bridge_slave_0 left promiscuous mode [ 265.761638][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 266.004795][ T7] device veth1_macvtap left promiscuous mode [ 266.010831][ T7] device veth0_vlan left promiscuous mode [ 407.604715][ T26] INFO: task kworker/u4:0:7 blocked for more than 122 seconds. [ 407.612304][ T26] Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 407.824675][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 407.833394][ T26] task:kworker/u4:0 state:D stack: 0 pid: 7 ppid: 2 flags:0x10004000 [ 408.294664][ T26] Workqueue: netns cleanup_net [ 408.299478][ T26] Call Trace: [ 408.302774][ T26] __schedule+0xb47/0x1310 [ 408.634671][ T26] ? release_firmware_map_entry+0x190/0x190 [ 408.640700][ T26] ? kthread_data+0x50/0xc0 [ 408.894695][ T26] ? wq_worker_sleeping+0x60/0x200 [ 408.899853][ T26] schedule+0x13c/0x1d0 [ 408.904027][ T26] schedule_timeout+0xa6/0x2d0 [ 409.244683][ T26] ? console_conditional_schedule+0x10/0x10 [ 409.250628][ T26] ? __prepare_to_swait+0xa8/0x130 [ 409.564690][ T26] wait_for_common+0x284/0x430 [ 409.569504][ T26] ? __kasan_check_write+0x14/0x20 [ 409.574628][ T26] ? wait_for_completion+0x20/0x20 [ 409.819806][ T26] ? mutex_lock+0x8c/0xe0 [ 409.824144][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 410.194691][ T26] wait_for_completion+0x18/0x20 [ 410.199672][ T26] flush_workqueue+0x606/0x13a0 [ 410.204534][ T26] ? flush_work+0x20/0x20 [ 410.564668][ T26] ? rcu_work_rcufn+0x50/0x50 [ 410.569399][ T26] peer_remove_after_dead+0x98/0x1a0 [ 410.814665][ T26] wg_peer_remove_all+0x3e2/0x450 [ 410.819740][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 411.134683][ T26] wg_destruct+0x18e/0x300 [ 411.139150][ T26] ? wg_xmit+0xb10/0xb10 [ 411.143397][ T26] netdev_run_todo+0xaf9/0xd20 [ 411.454668][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 411.459912][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 411.754707][ T26] ? list_netdevice+0x4c0/0x4c0 [ 411.759604][ T26] rtnl_unlock+0xe/0x10 [ 411.763765][ T26] default_device_exit_batch+0x335/0x390 [ 412.124669][ T26] ? default_device_exit+0x390/0x390 [ 412.129995][ T26] ? wait_woken+0x180/0x180 [ 412.134504][ T26] ? rtnl_unlock+0xe/0x10 [ 412.504688][ T26] ? default_device_exit+0x390/0x390 [ 412.510023][ T26] cleanup_net+0x5fb/0xb70 [ 412.514443][ T26] ? __kasan_check_write+0x14/0x20 [ 412.864678][ T26] ? ops_init+0x4a0/0x4a0 [ 412.869059][ T26] ? read_word_at_a_time+0x12/0x20 [ 412.874176][ T26] ? strscpy+0x9b/0x290 [ 413.234659][ T26] process_one_work+0x6e1/0xba0 [ 413.239548][ T26] worker_thread+0xa6a/0x13b0 [ 413.244231][ T26] kthread+0x346/0x3d0 [ 413.594678][ T26] ? worker_clr_flags+0x190/0x190 [ 413.599742][ T26] ? kthread_blkcg+0xd0/0xd0 [ 413.604345][ T26] ret_from_fork+0x1f/0x30 [ 413.954735][ T26] NMI backtrace for cpu 0 [ 413.959120][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 413.968831][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 413.979083][ T26] Call Trace: [ 413.982382][ T26] __dump_stack+0x21/0x24 [ 413.986712][ T26] dump_stack_lvl+0x169/0x1d8 [ 413.991389][ T26] ? show_regs_print_info+0x18/0x18 [ 413.996677][ T26] ? sched_show_task+0x324/0x4a0 [ 414.001617][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 414.006561][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 414.012627][ T26] dump_stack+0x15/0x1c [ 414.016783][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 414.022762][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 414.028655][ T26] watchdog+0xe2e/0xf70 [ 414.032830][ T26] ? hungtask_pm_notify+0x50/0x50 [ 414.037946][ T26] ? __kasan_check_read+0x11/0x20 [ 414.042969][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 414.047905][ T26] kthread+0x346/0x3d0 [ 414.051978][ T26] ? hungtask_pm_notify+0x50/0x50 [ 414.057001][ T26] ? kthread_blkcg+0xd0/0xd0 [ 414.061592][ T26] ret_from_fork+0x1f/0x30 [ 414.066197][ T26] Sending NMI from CPU 0 to CPUs 1: [ 414.071666][ C1] NMI backtrace for cpu 1 [ 414.071671][ C1] CPU: 1 PID: 377 Comm: syz.2.16 Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 414.071676][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 414.071679][ C1] RIP: 0010:copy_user_generic_unrolled+0xac/0xc0 [ 414.071687][ C1] Code: e9 03 74 12 4c 8b 06 4c 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a 06 88 07 48 ff c6 48 ff c7 ff c9 75 f2 <31> c0 0f 01 ca c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 01 [ 414.071691][ C1] RSP: 0018:ffffc90002e77b38 EFLAGS: 00040246 [ 414.071699][ C1] RAX: 0000000000000001 RBX: 00007ffe770d7600 RCX: 0000000000000000 [ 414.071702][ C1] RDX: 0000000000000000 RSI: 00007ffe770d7800 RDI: ffffc90002e77c80 [ 414.071706][ C1] RBP: ffffc90002e77cf0 R08: 0000000000000000 R09: fffff520005cef90 [ 414.071710][ C1] R10: fffff520005cef90 R11: 1ffff920005cef8a R12: dffffc0000000000 [ 414.071714][ C1] R13: 00007ffe770d7600 R14: ffffc90002e77c50 R15: 00007ffe770d77d0 [ 414.071718][ C1] FS: 00005555778f9500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 414.071721][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 414.071725][ C1] CR2: 0000000000000000 CR3: 000000012a07a000 CR4: 00000000003506a0 [ 414.071729][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 414.071732][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 414.071735][ C1] Call Trace: [ 414.071738][ C1] ? fpu__restore_sig+0x217/0x1240 [ 414.071740][ C1] ? sysvec_irq_work+0xc8/0xd0 [ 414.071743][ C1] ? asm_sysvec_irq_work+0x12/0x20 [ 414.071746][ C1] ? copy_fpstate_to_sigframe+0xb40/0xb40 [ 414.071749][ C1] ? __kasan_check_write+0x14/0x20 [ 414.071752][ C1] ? recalc_sigpending+0x1c4/0x230 [ 414.071755][ C1] ? __kasan_check_write+0x14/0x20 [ 414.071757][ C1] ? _copy_from_user+0x95/0xd0 [ 414.071760][ C1] __ia32_sys_rt_sigreturn+0x5d0/0x6c0 [ 414.071763][ C1] ? bpf_do_trace_printk+0x240/0x240 [ 414.071766][ C1] ? KSTK_ESP+0x60/0x60 [ 414.071769][ C1] ? __bpf_trace_sys_enter+0x62/0x70 [ 414.071772][ C1] ? syscall_trace_enter+0x108/0x170 [ 414.071774][ C1] do_syscall_64+0x31/0x40 [ 414.071777][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 414.071780][ C1] RIP: 0033:0x7fb4ac5269a9 [ 414.071787][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 414.071790][ C1] RSP: 002b:00007ffe770d79c8 EFLAGS: 00000246 [ 414.071796][ C1] RAX: 0000000000000000 RBX: 00007fb4ac74dfa8 RCX: 00007fb4ac5269a9 [ 414.071800][ C1] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fb4ac74dfac [ 414.071804][ C1] RBP: 0000000000000000 R08: 00265ba1f57d04be R09: 00000007770d7cbf [ 414.071807][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fb4ac74dfac [ 414.071811][ C1] R13: 00007fb4ac74dfa0 R14: 0000000000000095 R15: 0000000000000003 [ 437.044719][ T26] INFO: task kworker/u4:0:7 blocked for more than 152 seconds. [ 437.052309][ T26] Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 437.274665][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 437.283472][ T26] task:kworker/u4:0 state:D stack: 0 pid: 7 ppid: 2 flags:0x10004000 [ 437.744653][ T26] Workqueue: netns cleanup_net [ 437.749458][ T26] Call Trace: [ 437.752752][ T26] __schedule+0xb47/0x1310 [ 438.064672][ T26] ? release_firmware_map_entry+0x190/0x190 [ 438.070603][ T26] ? kthread_data+0x50/0xc0 [ 438.325804][ T26] ? wq_worker_sleeping+0x60/0x200 [ 438.330960][ T26] schedule+0x13c/0x1d0 [ 438.574716][ T26] schedule_timeout+0xa6/0x2d0 [ 438.579522][ T26] ? console_conditional_schedule+0x10/0x10 [ 438.854655][ T26] ? __prepare_to_swait+0xa8/0x130 [ 438.859932][ T26] wait_for_common+0x284/0x430 [ 439.114702][ T26] ? __kasan_check_write+0x14/0x20 [ 439.119864][ T26] ? wait_for_completion+0x20/0x20 [ 439.394668][ T26] ? mutex_lock+0x8c/0xe0 [ 439.399034][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 439.644666][ T26] wait_for_completion+0x18/0x20 [ 439.649651][ T26] flush_workqueue+0x606/0x13a0 [ 439.654509][ T26] ? flush_work+0x20/0x20 [ 440.014648][ T26] ? rcu_work_rcufn+0x50/0x50 [ 440.019366][ T26] peer_remove_after_dead+0x98/0x1a0 [ 440.274654][ T26] wg_peer_remove_all+0x3e2/0x450 [ 440.279712][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 440.564894][ T26] wg_destruct+0x18e/0x300 [ 440.569361][ T26] ? wg_xmit+0xb10/0xb10 [ 440.573612][ T26] netdev_run_todo+0xaf9/0xd20 [ 440.904676][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 440.909926][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 441.214652][ T26] ? list_netdevice+0x4c0/0x4c0 [ 441.219539][ T26] rtnl_unlock+0xe/0x10 [ 441.223696][ T26] default_device_exit_batch+0x335/0x390 [ 441.574651][ T26] ? default_device_exit+0x390/0x390 [ 441.579979][ T26] ? wait_woken+0x180/0x180 [ 441.844701][ T26] ? rtnl_unlock+0xe/0x10 [ 441.849086][ T26] ? default_device_exit+0x390/0x390 [ 441.854376][ T26] cleanup_net+0x5fb/0xb70 [ 442.194669][ T26] ? __kasan_check_write+0x14/0x20 [ 442.199818][ T26] ? ops_init+0x4a0/0x4a0 [ 442.204157][ T26] ? read_word_at_a_time+0x12/0x20 [ 442.564695][ T26] ? strscpy+0x9b/0x290 [ 442.568898][ T26] process_one_work+0x6e1/0xba0 [ 442.573759][ T26] worker_thread+0xa6a/0x13b0 [ 442.934672][ T26] kthread+0x346/0x3d0 [ 442.938787][ T26] ? worker_clr_flags+0x190/0x190 [ 442.943815][ T26] ? kthread_blkcg+0xd0/0xd0 [ 443.274668][ T26] ret_from_fork+0x1f/0x30 [ 443.434657][ T26] INFO: task jbd2/sda1-8:58 blocked for more than 138 seconds. [ 443.442251][ T26] Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 443.804631][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 443.813436][ T26] task:jbd2/sda1-8 state:D stack: 0 pid: 58 ppid: 2 flags:0x10004000 [ 444.284658][ T26] Call Trace: [ 444.287998][ T26] __schedule+0xb47/0x1310 [ 444.292425][ T26] ? release_firmware_map_entry+0x190/0x190 [ 444.614683][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 444.620187][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 444.904646][ T26] ? guard_bio_eod+0x11e/0x190 [ 444.909449][ T26] schedule+0x13c/0x1d0 [ 444.913609][ T26] io_schedule+0x84/0xe0 [ 445.224650][ T26] bit_wait_io+0x13/0xd0 [ 445.229023][ T26] out_of_line_wait_on_bit+0x15a/0x200 [ 445.234480][ T26] ? bit_wait+0xd0/0xd0 [ 445.605751][ T26] ? __wait_on_bit+0x180/0x180 [ 445.610566][ T26] ? bit_waitqueue+0x30/0x30 [ 445.864648][ T26] ? _raw_write_trylock+0x140/0x140 [ 445.869909][ T26] __wait_on_buffer+0x77/0x80 [ 445.874590][ T26] jbd2_journal_commit_transaction+0x36f2/0x5830 [ 446.274661][ T26] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 446.281468][ T26] ? psi_group_change+0x7d3/0xe40 [ 446.594664][ T26] ? compat_start_thread+0x80/0x80 [ 446.599833][ T26] ? __kasan_check_write+0x14/0x20 [ 446.824653][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 446.830156][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 447.134665][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 447.139385][ T26] ? detach_if_pending+0xf4/0x300 [ 447.144411][ T26] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 447.534648][ T26] ? del_timer_sync+0x144/0x1a0 [ 447.539539][ T26] kjournald2+0x44c/0x860 [ 447.543873][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 447.904653][ T26] ? io_schedule+0xe0/0xe0 [ 447.909120][ T26] ? __kasan_check_read+0x11/0x20 [ 447.914183][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 448.284667][ T26] kthread+0x346/0x3d0 [ 448.288781][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 448.293994][ T26] ? kthread_blkcg+0xd0/0xd0 [ 448.634653][ T26] ret_from_fork+0x1f/0x30 [ 448.784665][ T26] NMI backtrace for cpu 0 [ 448.789032][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 448.798741][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 448.808794][ T26] Call Trace: [ 448.812086][ T26] __dump_stack+0x21/0x24 [ 448.816438][ T26] dump_stack_lvl+0x169/0x1d8 [ 448.821116][ T26] ? show_regs_print_info+0x18/0x18 [ 448.826403][ T26] ? sched_show_task+0x324/0x4a0 [ 448.831342][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 448.836281][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 448.842349][ T26] dump_stack+0x15/0x1c [ 448.846515][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 448.852498][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 448.858389][ T26] watchdog+0xe2e/0xf70 [ 448.862547][ T26] ? hungtask_pm_notify+0x50/0x50 [ 448.867573][ T26] ? __kasan_check_read+0x11/0x20 [ 448.872598][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 448.877537][ T26] kthread+0x346/0x3d0 [ 448.881605][ T26] ? hungtask_pm_notify+0x50/0x50 [ 448.886630][ T26] ? kthread_blkcg+0xd0/0xd0 [ 448.891220][ T26] ret_from_fork+0x1f/0x30 [ 448.895709][ T26] Sending NMI from CPU 0 to CPUs 1: [ 448.901555][ C1] NMI backtrace for cpu 1 [ 448.901560][ C1] CPU: 1 PID: 377 Comm: syz.2.16 Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 448.901564][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 448.901567][ C1] RIP: 0010:__kasan_slab_alloc+0x1c/0xf0 [ 448.901575][ C1] Code: 00 31 c9 e8 26 23 00 00 eb aa 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 54 53 48 83 e4 f0 48 81 ec 00 02 00 00 41 89 cc 41 89 d6 <48> 89 f3 49 89 ff f7 c2 00 04 00 00 74 05 e8 a1 29 00 00 48 85 db [ 448.901578][ C1] RSP: 0018:ffffc90000170970 EFLAGS: 00000082 [ 448.901586][ C1] RAX: d52e4d8b9839aa00 RBX: 0000000000000000 RCX: 0000000000000001 [ 448.901589][ C1] RDX: 0000000000000a20 RSI: ffff8881191b7e00 RDI: ffff88810018ac00 [ 448.901593][ C1] RBP: ffffc90000170b90 R08: ffffc90000170c20 R09: 0000000000000001 [ 448.901597][ C1] R10: 0000000000000000 R11: 1ffffffff0c5c985 R12: 0000000000000001 [ 448.901600][ C1] R13: ffffc90000170c20 R14: 0000000000000a20 R15: 0000000000000001 [ 448.901604][ C1] FS: 00005555778f9500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 448.901608][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 448.901611][ C1] CR2: 0000000000000000 CR3: 000000012a07a000 CR4: 00000000003506a0 [ 448.901615][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 448.901619][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 448.901621][ C1] Call Trace: [ 448.901623][ C1] [ 448.901626][ C1] ? __kasan_slab_alloc+0xbd/0xf0 [ 448.901629][ C1] ? slab_post_alloc_hook+0x5d/0x2f0 [ 448.901632][ C1] ? kmem_cache_alloc+0x165/0x2e0 [ 448.901635][ C1] ? __sigqueue_alloc+0x185/0x2d0 [ 448.901637][ C1] ? __send_signal+0x1f2/0xb80 [ 448.901640][ C1] ? send_signal+0x479/0x5b0 [ 448.901643][ C1] ? do_send_sig_info+0xd6/0x210 [ 448.901646][ C1] ? group_send_sig_info+0x111/0x2a0 [ 448.901648][ C1] ? do_bpf_send_signal+0x82/0x150 [ 448.901651][ C1] ? irq_work_run_list+0x179/0x260 [ 448.901654][ C1] ? irq_work_run+0x6a/0xf0 [ 448.901657][ C1] ? __sysvec_irq_work+0x66/0x1b0 [ 448.901659][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 448.901662][ C1] ? sysvec_irq_work+0x85/0xd0 [ 448.901665][ C1] ? asm_sysvec_irq_work+0x12/0x20 [ 448.901668][ C1] ? native_apic_msr_write+0x39/0x50 [ 448.901670][ C1] ? x2apic_send_IPI_self+0x5e/0x70 [ 448.901673][ C1] ? arch_irq_work_raise+0x86/0xd0 [ 448.901676][ C1] ? __irq_work_queue_local+0x115/0x190 [ 448.901679][ C1] ? irq_work_queue+0x9e/0x150 [ 448.901682][ C1] ? bpf_send_signal_common+0x2b2/0x420 [ 448.901684][ C1] ? bpf_send_signal+0x19/0x20 [ 448.901687][ C1] ? bpf_prog_7ba5217f62dcd359+0x38/0xf50 [ 448.901690][ C1] ? bpf_trace_run2+0xb3/0x200 [ 448.901693][ C1] ? __bpf_trace_sys_enter+0x62/0x70 [ 448.901696][ C1] ? trace_sys_enter+0x40/0x50 [ 448.901699][ C1] ? syscall_trace_enter+0x108/0x170 [ 448.901702][ C1] ? syscall_enter_from_user_mode+0x20/0x30 [ 448.901704][ C1] ? do_syscall_64+0x13/0x40 [ 448.901707][ C1] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 448.901710][ C1] slab_post_alloc_hook+0x5d/0x2f0 [ 448.901713][ C1] ? __sigqueue_alloc+0x185/0x2d0 [ 448.901716][ C1] ? __sigqueue_alloc+0x185/0x2d0 [ 448.901719][ C1] kmem_cache_alloc+0x165/0x2e0 [ 448.901721][ C1] ? __sigqueue_alloc+0x185/0x2d0 [ 448.901724][ C1] __sigqueue_alloc+0x185/0x2d0 [ 448.901727][ C1] __send_signal+0x1f2/0xb80 [ 448.901729][ C1] send_signal+0x479/0x5b0 [ 448.901732][ C1] do_send_sig_info+0xd6/0x210 [ 448.901735][ C1] group_send_sig_info+0x111/0x2a0 [ 448.901738][ C1] ? __lock_task_sighand+0x100/0x100 [ 448.901740][ C1] do_bpf_send_signal+0x82/0x150 [ 448.901743][ C1] irq_work_run_list+0x179/0x260 [ 448.901746][ C1] ? irq_work_run+0xf0/0xf0 [ 448.901748][ C1] irq_work_run+0x6a/0xf0 [ 448.901751][ C1] __sysvec_irq_work+0x66/0x1b0 [ 448.901754][ C1] asm_call_irq_on_stack+0xf/0x20 [ 448.901756][ C1] [ 448.901759][ C1] sysvec_irq_work+0x85/0xd0 [ 448.901761][ C1] asm_sysvec_irq_work+0x12/0x20 [ 448.901765][ C1] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 448.901772][ C1] Code: 74 05 83 ff 30 75 12 5d c3 81 ff d0 00 00 00 74 f6 81 ff e0 00 00 00 74 ee c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <0f> 1f 44 00 00 eb d6 89 f6 31 d2 e8 27 94 27 01 5d c3 0f 1f 44 00 [ 448.901775][ C1] RSP: 0018:ffffc90002e77c20 EFLAGS: 00000246 [ 448.901781][ C1] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f [ 448.901784][ C1] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f [ 448.901788][ C1] RBP: ffffc90002e77c20 R08: dffffc0000000000 R09: ffffed103ee2a5f7 [ 448.901792][ C1] R10: ffffed103ee2a5f7 R11: 1ffff1103ee2a5f6 R12: 0000000000000000 [ 448.901795][ C1] R13: dffffc0000000001 R14: ffffffff859bf998 R15: dffffc0000000000 [ 448.901798][ C1] x2apic_send_IPI_self+0x5e/0x70 [ 448.901801][ C1] arch_irq_work_raise+0x86/0xd0 [ 448.901804][ C1] __irq_work_queue_local+0x115/0x190 [ 448.901807][ C1] irq_work_queue+0x9e/0x150 [ 448.901810][ C1] bpf_send_signal_common+0x2b2/0x420 [ 448.901812][ C1] ? bpf_do_trace_printk+0x240/0x240 [ 448.901815][ C1] bpf_send_signal+0x19/0x20 [ 448.901818][ C1] bpf_prog_7ba5217f62dcd359+0x38/0xf50 [ 448.901821][ C1] bpf_trace_run2+0xb3/0x200 [ 448.901823][ C1] ? bpf_trace_run1+0x200/0x200 [ 448.901826][ C1] __bpf_trace_sys_enter+0x62/0x70 [ 448.901829][ C1] trace_sys_enter+0x40/0x50 [ 448.901832][ C1] syscall_trace_enter+0x108/0x170 [ 448.901835][ C1] syscall_enter_from_user_mode+0x20/0x30 [ 448.901837][ C1] do_syscall_64+0x13/0x40 [ 448.901840][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 448.901843][ C1] RIP: 0033:0x7fb4ac4c2b89 [ 448.901850][ C1] Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25 [ 448.901853][ C1] RSP: 002b:00007ffe770d7440 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 448.901860][ C1] RAX: ffffffffffffffda RBX: 00007fb4ac74dfa8 RCX: 00007fb4ac4c2b89 [ 448.901864][ C1] RDX: 00007ffe770d7440 RSI: 00007ffe770d7570 RDI: 0000000000000011 [ 448.901868][ C1] RBP: 0000000000000000 R08: 00265ba1f57d04be R09: 00000007770d7cbf [ 448.901871][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fb4ac74dfac [ 448.901875][ C1] R13: 00007fb4ac74dfa0 R14: 0000000000000095 R15: 0000000000000003 [ 472.244647][ T26] INFO: task kworker/u4:0:7 blocked for more than 187 seconds. [ 472.252230][ T26] Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 472.504624][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 472.513335][ T26] task:kworker/u4:0 state:D stack: 0 pid: 7 ppid: 2 flags:0x10004000 [ 472.954634][ T26] Workqueue: netns cleanup_net [ 472.959453][ T26] Call Trace: [ 472.962752][ T26] __schedule+0xb47/0x1310 [ 473.284656][ T26] ? release_firmware_map_entry+0x190/0x190 [ 473.290590][ T26] ? kthread_data+0x50/0xc0 [ 473.574649][ T26] ? wq_worker_sleeping+0x60/0x200 [ 473.579802][ T26] schedule+0x13c/0x1d0 [ 473.583960][ T26] schedule_timeout+0xa6/0x2d0 [ 473.904641][ T26] ? console_conditional_schedule+0x10/0x10 [ 473.910586][ T26] ? __prepare_to_swait+0xa8/0x130 [ 474.214688][ T26] wait_for_common+0x284/0x430 [ 474.219492][ T26] ? __kasan_check_write+0x14/0x20 [ 474.474640][ T26] ? wait_for_completion+0x20/0x20 [ 474.479886][ T26] ? mutex_lock+0x8c/0xe0 [ 474.484226][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 474.844670][ T26] wait_for_completion+0x18/0x20 [ 474.849663][ T26] flush_workqueue+0x606/0x13a0 [ 474.854517][ T26] ? flush_work+0x20/0x20 [ 475.214667][ T26] ? rcu_work_rcufn+0x50/0x50 [ 475.219392][ T26] peer_remove_after_dead+0x98/0x1a0 [ 475.474637][ T26] wg_peer_remove_all+0x3e2/0x450 [ 475.479711][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 475.784637][ T26] wg_destruct+0x18e/0x300 [ 475.789097][ T26] ? wg_xmit+0xb10/0xb10 [ 475.793346][ T26] netdev_run_todo+0xaf9/0xd20 [ 476.114660][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 476.119909][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 476.404672][ T26] ? list_netdevice+0x4c0/0x4c0 [ 476.409566][ T26] rtnl_unlock+0xe/0x10 [ 476.413729][ T26] default_device_exit_batch+0x335/0x390 [ 476.764635][ T26] ? default_device_exit+0x390/0x390 [ 476.770052][ T26] ? wait_woken+0x180/0x180 [ 476.774564][ T26] ? rtnl_unlock+0xe/0x10 [ 477.174632][ T26] ? default_device_exit+0x390/0x390 [ 477.179979][ T26] cleanup_net+0x5fb/0xb70 [ 477.184397][ T26] ? __kasan_check_write+0x14/0x20 [ 477.544646][ T26] ? ops_init+0x4a0/0x4a0 [ 477.549011][ T26] ? read_word_at_a_time+0x12/0x20 [ 477.554286][ T26] ? strscpy+0x9b/0x290 [ 477.894631][ T26] process_one_work+0x6e1/0xba0 [ 477.899520][ T26] worker_thread+0xa6a/0x13b0 [ 477.904204][ T26] kthread+0x346/0x3d0 [ 478.264645][ T26] ? worker_clr_flags+0x190/0x190 [ 478.269713][ T26] ? kthread_blkcg+0xd0/0xd0 [ 478.274303][ T26] ret_from_fork+0x1f/0x30 [ 478.644673][ T26] INFO: task jbd2/sda1-8:58 blocked for more than 173 seconds. [ 478.652261][ T26] Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 479.004618][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 479.013434][ T26] task:jbd2/sda1-8 state:D stack: 0 pid: 58 ppid: 2 flags:0x10004000 [ 479.474637][ T26] Call Trace: [ 479.477983][ T26] __schedule+0xb47/0x1310 [ 479.482419][ T26] ? release_firmware_map_entry+0x190/0x190 [ 479.834632][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 479.840138][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 480.104654][ T26] ? guard_bio_eod+0x11e/0x190 [ 480.109457][ T26] schedule+0x13c/0x1d0 [ 480.113843][ T26] io_schedule+0x84/0xe0 [ 480.454638][ T26] bit_wait_io+0x13/0xd0 [ 480.458932][ T26] out_of_line_wait_on_bit+0x15a/0x200 [ 480.464484][ T26] ? bit_wait+0xd0/0xd0 [ 480.834644][ T26] ? __wait_on_bit+0x180/0x180 [ 480.839458][ T26] ? bit_waitqueue+0x30/0x30 [ 480.844053][ T26] ? _raw_write_trylock+0x140/0x140 [ 481.214661][ T26] __wait_on_buffer+0x77/0x80 [ 481.219376][ T26] jbd2_journal_commit_transaction+0x36f2/0x5830 [ 481.504664][ T26] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 481.511550][ T26] ? psi_group_change+0x7d3/0xe40 [ 481.804628][ T26] ? compat_start_thread+0x80/0x80 [ 481.809790][ T26] ? __kasan_check_write+0x14/0x20 [ 482.054631][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 482.060132][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 482.344637][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 482.349360][ T26] ? detach_if_pending+0xf4/0x300 [ 482.354511][ T26] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 482.764636][ T26] ? del_timer_sync+0x144/0x1a0 [ 482.769567][ T26] kjournald2+0x44c/0x860 [ 482.773901][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 483.114642][ T26] ? io_schedule+0xe0/0xe0 [ 483.119103][ T26] ? __kasan_check_read+0x11/0x20 [ 483.124133][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 483.484635][ T26] kthread+0x346/0x3d0 [ 483.488753][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 483.493952][ T26] ? kthread_blkcg+0xd0/0xd0 [ 483.864653][ T26] ret_from_fork+0x1f/0x30 [ 483.984640][ T26] NMI backtrace for cpu 0 [ 483.989009][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 483.998720][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 484.008775][ T26] Call Trace: [ 484.012068][ T26] __dump_stack+0x21/0x24 [ 484.016401][ T26] dump_stack_lvl+0x169/0x1d8 [ 484.021082][ T26] ? show_regs_print_info+0x18/0x18 [ 484.026285][ T26] ? sched_show_task+0x324/0x4a0 [ 484.031227][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 484.036174][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 484.042243][ T26] dump_stack+0x15/0x1c [ 484.046404][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 484.052392][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 484.058285][ T26] watchdog+0xe2e/0xf70 [ 484.062443][ T26] ? hungtask_pm_notify+0x50/0x50 [ 484.067468][ T26] ? __kasan_check_read+0x11/0x20 [ 484.072492][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 484.077430][ T26] kthread+0x346/0x3d0 [ 484.081499][ T26] ? hungtask_pm_notify+0x50/0x50 [ 484.086526][ T26] ? kthread_blkcg+0xd0/0xd0 [ 484.091118][ T26] ret_from_fork+0x1f/0x30 [ 484.095595][ T26] Sending NMI from CPU 0 to CPUs 1: [ 484.101059][ C1] NMI backtrace for cpu 1 [ 484.101064][ C1] CPU: 1 PID: 377 Comm: syz.2.16 Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 484.101069][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 484.101073][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x5c/0x60 [ 484.101080][ C1] Code: b8 0a 00 00 83 fa 02 75 21 48 8b 91 c0 0a 00 00 48 8b 32 48 8d 7e 01 8b 89 bc 0a 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a <5d> c3 66 90 55 48 89 e5 48 8b 45 08 65 48 8b 15 a0 cc 9e 7e 65 8b [ 484.101084][ C1] RSP: 0018:ffffc90002e77b20 EFLAGS: 00000293 [ 484.101092][ C1] RAX: ffffffff8128abee RBX: 0000000000000000 RCX: ffff88810fe913c0 [ 484.101096][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88810fe913c0 [ 484.101100][ C1] RBP: ffffc90002e77b20 R08: dffffc0000000000 R09: ffffed1021fd2279 [ 484.101103][ C1] R10: ffffed1021fd2279 R11: 1ffff11021fd2278 R12: dffffc0000000000 [ 484.101107][ C1] R13: 0000000000000340 R14: ffff88810fe913c0 R15: 0000000000000000 [ 484.101111][ C1] FS: 00005555778f9500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 484.101115][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 484.101119][ C1] CR2: 0000000000000000 CR3: 000000012a07a000 CR4: 00000000003506a0 [ 484.101123][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 484.101126][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 484.101129][ C1] Call Trace: [ 484.101131][ C1] local_bh_enable+0xe/0x30 [ 484.101134][ C1] fpu__restore_sig+0x9e8/0x1240 [ 484.101137][ C1] ? sysvec_irq_work+0xc8/0xd0 [ 484.101140][ C1] ? copy_fpstate_to_sigframe+0xb40/0xb40 [ 484.101143][ C1] ? __kasan_check_write+0x14/0x20 [ 484.101146][ C1] ? recalc_sigpending+0x1c4/0x230 [ 484.101149][ C1] ? __kasan_check_write+0x14/0x20 [ 484.101151][ C1] ? _copy_from_user+0x95/0xd0 [ 484.101154][ C1] __ia32_sys_rt_sigreturn+0x5d0/0x6c0 [ 484.101157][ C1] ? bpf_do_trace_printk+0x240/0x240 [ 484.101160][ C1] ? KSTK_ESP+0x60/0x60 [ 484.101163][ C1] ? __bpf_trace_sys_enter+0x62/0x70 [ 484.101166][ C1] ? syscall_trace_enter+0x108/0x170 [ 484.101168][ C1] do_syscall_64+0x31/0x40 [ 484.101171][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 484.101174][ C1] RIP: 0033:0x7fb4ac5269a9 [ 484.101181][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 484.101184][ C1] RSP: 002b:00007ffe770d79c8 EFLAGS: 00000246 [ 484.101190][ C1] RAX: 0000000000000000 RBX: 00007fb4ac74dfa8 RCX: 00007fb4ac5269a9 [ 484.101194][ C1] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fb4ac74dfac [ 484.101197][ C1] RBP: 0000000000000000 R08: 00265ba1f57d04be R09: 00000007770d7cbf [ 484.101201][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fb4ac74dfac [ 484.101205][ C1] R13: 00007fb4ac74dfa0 R14: 0000000000000095 R15: 0000000000000003 [ 507.444641][ T26] INFO: task kworker/u4:0:7 blocked for more than 222 seconds. [ 507.452239][ T26] Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 507.684619][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 507.693333][ T26] task:kworker/u4:0 state:D stack: 0 pid: 7 ppid: 2 flags:0x10004000 [ 508.164625][ T26] Workqueue: netns cleanup_net [ 508.169444][ T26] Call Trace: [ 508.172776][ T26] __schedule+0xb47/0x1310 [ 508.474628][ T26] ? release_firmware_map_entry+0x190/0x190 [ 508.480565][ T26] ? kthread_data+0x50/0xc0 [ 508.774641][ T26] ? wq_worker_sleeping+0x60/0x200 [ 508.779804][ T26] schedule+0x13c/0x1d0 [ 508.783966][ T26] schedule_timeout+0xa6/0x2d0 [ 509.124673][ T26] ? console_conditional_schedule+0x10/0x10 [ 509.130610][ T26] ? __prepare_to_swait+0xa8/0x130 [ 509.394622][ T26] wait_for_common+0x284/0x430 [ 509.399440][ T26] ? __kasan_check_write+0x14/0x20 [ 509.404559][ T26] ? wait_for_completion+0x20/0x20 [ 509.794624][ T26] ? mutex_lock+0x8c/0xe0 [ 509.799006][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 510.064629][ T26] wait_for_completion+0x18/0x20 [ 510.069619][ T26] flush_workqueue+0x606/0x13a0 [ 510.074478][ T26] ? flush_work+0x20/0x20 [ 510.404647][ T26] ? rcu_work_rcufn+0x50/0x50 [ 510.409482][ T26] peer_remove_after_dead+0x98/0x1a0 [ 510.694623][ T26] wg_peer_remove_all+0x3e2/0x450 [ 510.699696][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 510.964666][ T26] wg_destruct+0x18e/0x300 [ 510.969125][ T26] ? wg_xmit+0xb10/0xb10 [ 510.973399][ T26] netdev_run_todo+0xaf9/0xd20 [ 511.324627][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 511.329871][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 511.614638][ T26] ? list_netdevice+0x4c0/0x4c0 [ 511.619528][ T26] rtnl_unlock+0xe/0x10 [ 511.623683][ T26] default_device_exit_batch+0x335/0x390 [ 511.984642][ T26] ? default_device_exit+0x390/0x390 [ 511.989976][ T26] ? wait_woken+0x180/0x180 [ 511.994483][ T26] ? rtnl_unlock+0xe/0x10 [ 512.364619][ T26] ? default_device_exit+0x390/0x390 [ 512.369953][ T26] cleanup_net+0x5fb/0xb70 [ 512.374397][ T26] ? __kasan_check_write+0x14/0x20 [ 512.754637][ T26] ? ops_init+0x4a0/0x4a0 [ 512.759009][ T26] ? read_word_at_a_time+0x12/0x20 [ 512.764121][ T26] ? strscpy+0x9b/0x290 [ 513.074641][ T26] process_one_work+0x6e1/0xba0 [ 513.079530][ T26] worker_thread+0xa6a/0x13b0 [ 513.084211][ T26] kthread+0x346/0x3d0 [ 513.444614][ T26] ? worker_clr_flags+0x190/0x190 [ 513.449673][ T26] ? kthread_blkcg+0xd0/0xd0 [ 513.454267][ T26] ret_from_fork+0x1f/0x30 [ 513.804667][ T26] INFO: task jbd2/sda1-8:58 blocked for more than 208 seconds. [ 513.812245][ T26] Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 514.194625][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 514.203346][ T26] task:jbd2/sda1-8 state:D stack: 0 pid: 58 ppid: 2 flags:0x10004000 [ 514.664656][ T26] Call Trace: [ 514.667992][ T26] __schedule+0xb47/0x1310 [ 514.672426][ T26] ? release_firmware_map_entry+0x190/0x190 [ 515.024629][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 515.030134][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 515.274613][ T26] ? guard_bio_eod+0x11e/0x190 [ 515.279431][ T26] schedule+0x13c/0x1d0 [ 515.283588][ T26] io_schedule+0x84/0xe0 [ 515.614671][ T26] bit_wait_io+0x13/0xd0 [ 515.618962][ T26] out_of_line_wait_on_bit+0x15a/0x200 [ 515.624421][ T26] ? bit_wait+0xd0/0xd0 [ 515.964621][ T26] ? __wait_on_bit+0x180/0x180 [ 515.969436][ T26] ? bit_waitqueue+0x30/0x30 [ 515.974028][ T26] ? _raw_write_trylock+0x140/0x140 [ 516.384620][ T26] __wait_on_buffer+0x77/0x80 [ 516.389345][ T26] jbd2_journal_commit_transaction+0x36f2/0x5830 [ 516.644662][ T26] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 516.651466][ T26] ? psi_group_change+0x7d3/0xe40 [ 516.964614][ T26] ? compat_start_thread+0x80/0x80 [ 516.969777][ T26] ? __kasan_check_write+0x14/0x20 [ 517.214621][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 517.220129][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 517.504619][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 517.509435][ T26] ? detach_if_pending+0xf4/0x300 [ 517.514462][ T26] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 517.904645][ T26] ? del_timer_sync+0x144/0x1a0 [ 517.909540][ T26] kjournald2+0x44c/0x860 [ 517.913872][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 518.284664][ T26] ? io_schedule+0xe0/0xe0 [ 518.289126][ T26] ? __kasan_check_read+0x11/0x20 [ 518.294156][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 518.634619][ T26] kthread+0x346/0x3d0 [ 518.638739][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 518.643948][ T26] ? kthread_blkcg+0xd0/0xd0 [ 519.024621][ T26] ret_from_fork+0x1f/0x30 [ 519.114623][ T26] NMI backtrace for cpu 0 [ 519.118990][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 519.128702][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 519.138760][ T26] Call Trace: [ 519.142052][ T26] __dump_stack+0x21/0x24 [ 519.146384][ T26] dump_stack_lvl+0x169/0x1d8 [ 519.151061][ T26] ? show_regs_print_info+0x18/0x18 [ 519.156266][ T26] ? sched_show_task+0x324/0x4a0 [ 519.161207][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 519.166145][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 519.172209][ T26] dump_stack+0x15/0x1c [ 519.176364][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 519.182346][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 519.188244][ T26] watchdog+0xe2e/0xf70 [ 519.192406][ T26] ? hungtask_pm_notify+0x50/0x50 [ 519.197431][ T26] ? __kasan_check_read+0x11/0x20 [ 519.202456][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 519.207392][ T26] kthread+0x346/0x3d0 [ 519.211462][ T26] ? hungtask_pm_notify+0x50/0x50 [ 519.216488][ T26] ? kthread_blkcg+0xd0/0xd0 [ 519.221077][ T26] ret_from_fork+0x1f/0x30 [ 519.225537][ T26] Sending NMI from CPU 0 to CPUs 1: [ 519.231087][ C1] NMI backtrace for cpu 1 [ 519.231093][ C1] CPU: 1 PID: 377 Comm: syz.2.16 Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 519.231098][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 519.231101][ C1] RIP: 0010:kasan_check_range+0x0/0x290 [ 519.231108][ C1] Code: 48 c1 ee 03 48 01 c6 48 89 c7 e8 bb cf d3 02 31 c0 5d c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc 01 48 85 f6 0f 84 a9 01 00 00 55 48 89 e5 41 57 41 56 53 49 89 [ 519.231112][ C1] RSP: 0018:ffffc90002e77b48 EFLAGS: 00000056 [ 519.231120][ C1] RAX: 1ffff11021fd2301 RBX: ffff88810fb50000 RCX: ffffffff847641df [ 519.231124][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90002e77b80 [ 519.231128][ C1] RBP: ffffc90002e77b50 R08: dffffc0000000000 R09: ffffed1021f6a001 [ 519.231132][ C1] R10: ffffed1021f6a001 R11: 1ffff11021f6a000 R12: dffffc0000000000 [ 519.231136][ C1] R13: ffff88810fe91bd0 R14: ffffc90002e77b80 R15: 1ffff920005cef6c [ 519.231140][ C1] FS: 00005555778f9500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 519.231144][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 519.231147][ C1] CR2: 0000000000000000 CR3: 000000012a07a000 CR4: 00000000003506a0 [ 519.231151][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 519.231155][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 519.231157][ C1] Call Trace: [ 519.231160][ C1] ? __kasan_check_write+0x14/0x20 [ 519.231163][ C1] _raw_spin_lock_irq+0x8f/0xe0 [ 519.231166][ C1] ? _raw_spin_lock_irqsave+0x110/0x110 [ 519.231169][ C1] ? uprobe_deny_signal+0x76/0x230 [ 519.231172][ C1] ? get_signal+0xb9/0x12e0 [ 519.231175][ C1] get_signal+0x1f2/0x12e0 [ 519.231178][ C1] arch_do_signal_or_restart+0xbf/0x10f0 [ 519.231180][ C1] ? bpf_do_trace_printk+0x240/0x240 [ 519.231183][ C1] ? KSTK_ESP+0x60/0x60 [ 519.231186][ C1] ? __ia32_sys_rt_sigreturn+0x6c0/0x6c0 [ 519.231189][ C1] ? __bpf_trace_sys_enter+0x62/0x70 [ 519.231192][ C1] exit_to_user_mode_loop+0xa2/0xe0 [ 519.231195][ C1] syscall_exit_to_user_mode+0x68/0x90 [ 519.231198][ C1] do_syscall_64+0x3d/0x40 [ 519.231201][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 519.231204][ C1] RIP: 0033:0x7fb4ac5269a9 [ 519.231212][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 519.231216][ C1] RSP: 002b:00007ffe770d79c8 EFLAGS: 00000246 [ 519.231222][ C1] RAX: 0000000000000000 RBX: 00007fb4ac74dfa8 RCX: 00007fb4ac5269a9 [ 519.231226][ C1] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fb4ac74dfac [ 519.231229][ C1] RBP: 0000000000000000 R08: 00265ba1f57d04be R09: 00000007770d7cbf [ 519.231233][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fb4ac74dfac [ 519.231237][ C1] R13: 00007fb4ac74dfa0 R14: 0000000000000095 R15: 0000000000000003 [ 542.644611][ T26] INFO: task kworker/u4:0:7 blocked for more than 257 seconds. [ 542.652190][ T26] Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 542.914590][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 542.923295][ T26] task:kworker/u4:0 state:D stack: 0 pid: 7 ppid: 2 flags:0x10004000 [ 543.384628][ T26] Workqueue: netns cleanup_net [ 543.389444][ T26] Call Trace: [ 543.392738][ T26] __schedule+0xb47/0x1310 [ 543.704675][ T26] ? release_firmware_map_entry+0x190/0x190 [ 543.710609][ T26] ? kthread_data+0x50/0xc0 [ 543.984623][ T26] ? wq_worker_sleeping+0x60/0x200 [ 543.989783][ T26] schedule+0x13c/0x1d0 [ 543.993943][ T26] schedule_timeout+0xa6/0x2d0 [ 544.334619][ T26] ? console_conditional_schedule+0x10/0x10 [ 544.340563][ T26] ? __prepare_to_swait+0xa8/0x130 [ 544.644633][ T26] wait_for_common+0x284/0x430 [ 544.649462][ T26] ? __kasan_check_write+0x14/0x20 [ 544.884656][ T26] ? wait_for_completion+0x20/0x20 [ 544.889812][ T26] ? mutex_lock+0x8c/0xe0 [ 544.894146][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 545.274628][ T26] wait_for_completion+0x18/0x20 [ 545.279601][ T26] flush_workqueue+0x606/0x13a0 [ 545.284463][ T26] ? flush_work+0x20/0x20 [ 545.614609][ T26] ? rcu_work_rcufn+0x50/0x50 [ 545.619339][ T26] peer_remove_after_dead+0x98/0x1a0 [ 545.904606][ T26] wg_peer_remove_all+0x3e2/0x450 [ 545.909666][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 546.194601][ T26] wg_destruct+0x18e/0x300 [ 546.199054][ T26] ? wg_xmit+0xb10/0xb10 [ 546.203305][ T26] netdev_run_todo+0xaf9/0xd20 [ 546.534647][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 546.539886][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 546.824613][ T26] ? list_netdevice+0x4c0/0x4c0 [ 546.829503][ T26] rtnl_unlock+0xe/0x10 [ 546.833661][ T26] default_device_exit_batch+0x335/0x390 [ 547.174649][ T26] ? default_device_exit+0x390/0x390 [ 547.179973][ T26] ? wait_woken+0x180/0x180 [ 547.184479][ T26] ? rtnl_unlock+0xe/0x10 [ 547.554602][ T26] ? default_device_exit+0x390/0x390 [ 547.559925][ T26] cleanup_net+0x5fb/0xb70 [ 547.564343][ T26] ? __kasan_check_write+0x14/0x20 [ 547.954619][ T26] ? ops_init+0x4a0/0x4a0 [ 547.958989][ T26] ? read_word_at_a_time+0x12/0x20 [ 547.964103][ T26] ? strscpy+0x9b/0x290 [ 548.274618][ T26] process_one_work+0x6e1/0xba0 [ 548.279506][ T26] worker_thread+0xa6a/0x13b0 [ 548.284205][ T26] kthread+0x346/0x3d0 [ 548.654600][ T26] ? worker_clr_flags+0x190/0x190 [ 548.659665][ T26] ? kthread_blkcg+0xd0/0xd0 [ 548.664260][ T26] ret_from_fork+0x1f/0x30 [ 549.024646][ T26] INFO: task jbd2/sda1-8:58 blocked for more than 243 seconds. [ 549.032217][ T26] Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 549.384592][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 549.393308][ T26] task:jbd2/sda1-8 state:D stack: 0 pid: 58 ppid: 2 flags:0x10004000 [ 549.854589][ T26] Call Trace: [ 549.857935][ T26] __schedule+0xb47/0x1310 [ 549.862358][ T26] ? release_firmware_map_entry+0x190/0x190 [ 550.214615][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 550.220103][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 550.484623][ T26] ? guard_bio_eod+0x11e/0x190 [ 550.489440][ T26] schedule+0x13c/0x1d0 [ 550.493599][ T26] io_schedule+0x84/0xe0 [ 550.824612][ T26] bit_wait_io+0x13/0xd0 [ 550.828902][ T26] out_of_line_wait_on_bit+0x15a/0x200 [ 551.084621][ T26] ? bit_wait+0xd0/0xd0 [ 551.088820][ T26] ? __wait_on_bit+0x180/0x180 [ 551.093588][ T26] ? bit_waitqueue+0x30/0x30 [ 551.424620][ T26] ? _raw_write_trylock+0x140/0x140 [ 551.429939][ T26] __wait_on_buffer+0x77/0x80 [ 551.694628][ T26] jbd2_journal_commit_transaction+0x36f2/0x5830 [ 551.701011][ T26] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 552.014624][ T26] ? psi_group_change+0x7d3/0xe40 [ 552.019692][ T26] ? compat_start_thread+0x80/0x80 [ 552.324607][ T26] ? __kasan_check_write+0x14/0x20 [ 552.329752][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 552.554601][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 552.560116][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 552.844603][ T26] ? detach_if_pending+0xf4/0x300 [ 552.849668][ T26] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 553.114602][ T26] ? del_timer_sync+0x144/0x1a0 [ 553.119488][ T26] kjournald2+0x44c/0x860 [ 553.123821][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 553.464602][ T26] ? io_schedule+0xe0/0xe0 [ 553.469075][ T26] ? __kasan_check_read+0x11/0x20 [ 553.474099][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 553.874603][ T26] kthread+0x346/0x3d0 [ 553.878716][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 553.883914][ T26] ? kthread_blkcg+0xd0/0xd0 [ 554.214612][ T26] ret_from_fork+0x1f/0x30 [ 554.374620][ T26] NMI backtrace for cpu 0 [ 554.378996][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 554.388703][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 554.398759][ T26] Call Trace: [ 554.402051][ T26] __dump_stack+0x21/0x24 [ 554.406377][ T26] dump_stack_lvl+0x169/0x1d8 [ 554.411055][ T26] ? show_regs_print_info+0x18/0x18 [ 554.416257][ T26] ? sched_show_task+0x324/0x4a0 [ 554.421196][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 554.426131][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 554.432200][ T26] dump_stack+0x15/0x1c [ 554.436354][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 554.442334][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 554.448229][ T26] watchdog+0xe2e/0xf70 [ 554.452388][ T26] ? hungtask_pm_notify+0x50/0x50 [ 554.457412][ T26] ? __kasan_check_read+0x11/0x20 [ 554.462442][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 554.467382][ T26] kthread+0x346/0x3d0 [ 554.471709][ T26] ? hungtask_pm_notify+0x50/0x50 [ 554.476729][ T26] ? kthread_blkcg+0xd0/0xd0 [ 554.481329][ T26] ret_from_fork+0x1f/0x30 [ 554.485790][ T26] Sending NMI from CPU 0 to CPUs 1: [ 554.491338][ C1] NMI backtrace for cpu 1 [ 554.491343][ C1] CPU: 1 PID: 377 Comm: syz.2.16 Not tainted 5.10.240-syzkaller-00213-gad9a98ef27a4 #0 [ 554.491348][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 554.491351][ C1] RIP: 0010:sched_clock+0x3a/0x40 [ 554.491358][ C1] Code: b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 0c 48 c7 c7 a0 69 2c 86 e8 85 b2 75 00 48 83 3d 8d 8b 04 05 00 74 09 e8 26 7f 06 00 <66> 90 5d c3 0f 0b 55 48 89 e5 48 c7 c0 a0 69 2c 86 48 c1 e8 03 48 [ 554.491362][ C1] RSP: 0018:ffffc90002e77a60 EFLAGS: 00000006 [ 554.491369][ C1] RAX: 000000811a8ce428 RBX: ffff8881f71272c0 RCX: 00000000000000ff [ 554.491373][ C1] RDX: 1ffffffff0d8e408 RSI: 000000819a59381b RDI: ffffffff86c72040 [ 554.491377][ C1] RBP: ffffc90002e77a60 R08: ffffffff86c72048 R09: ffffffff86c72058 [ 554.491381][ C1] R10: ffffffff86c7205c R11: ffffffff86c72043 R12: dffffc0000000000 [ 554.491384][ C1] R13: 0000000000000000 R14: ffff88810fe913c0 R15: ffffffff859bf6c8 [ 554.491388][ C1] FS: 00005555778f9500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 554.491392][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 554.491402][ C1] CR2: 0000000000000000 CR3: 000000012a07a000 CR4: 00000000003506a0 [ 554.491406][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 554.491410][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 554.491412][ C1] Call Trace: [ 554.491415][ C1] sched_clock_cpu+0x1b/0x3d0 [ 554.491417][ C1] ? sched_clock+0x3a/0x40 [ 554.491420][ C1] ? sched_clock_cpu+0x1b/0x3d0 [ 554.491423][ C1] irqtime_account_irq+0x6b/0x1b0 [ 554.491426][ C1] __irq_exit_rcu+0x1c/0x150 [ 554.491428][ C1] irq_exit_rcu+0x9/0x10 [ 554.491431][ C1] sysvec_irq_work+0xbc/0xd0 [ 554.491434][ C1] asm_sysvec_irq_work+0x12/0x20 [ 554.491437][ C1] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 554.491444][ C1] Code: 74 05 83 ff 30 75 12 5d c3 81 ff d0 00 00 00 74 f6 81 ff e0 00 00 00 74 ee c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <0f> 1f 44 00 00 eb d6 89 f6 31 d2 e8 27 94 27 01 5d c3 0f 1f 44 00 [ 554.491447][ C1] RSP: 0018:ffffc90002e77c20 EFLAGS: 00000246 [ 554.491453][ C1] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f [ 554.491457][ C1] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f [ 554.491460][ C1] RBP: ffffc90002e77c20 R08: dffffc0000000000 R09: ffffed103ee2a5f7 [ 554.491464][ C1] R10: ffffed103ee2a5f7 R11: 1ffff1103ee2a5f6 R12: 0000000000000000 [ 554.491468][ C1] R13: dffffc0000000001 R14: ffffffff859bf998 R15: dffffc0000000000 [ 554.491471][ C1] x2apic_send_IPI_self+0x5e/0x70 [ 554.491473][ C1] arch_irq_work_raise+0x86/0xd0 [ 554.491476][ C1] __irq_work_queue_local+0x115/0x190 [ 554.491479][ C1] irq_work_queue+0x9e/0x150 [ 554.491482][ C1] bpf_send_signal_common+0x2b2/0x420 [ 554.491485][ C1] ? bpf_do_trace_printk+0x240/0x240 [ 554.491487][ C1] bpf_send_signal+0x19/0x20 [ 554.491490][ C1] bpf_prog_7ba5217f62dcd359+0x38/0xf50 [ 554.491493][ C1] bpf_trace_run2+0xb3/0x200 [ 554.491495][ C1] ? bpf_trace_run1+0x200/0x200 [ 554.491498][ C1] __bpf_trace_sys_enter+0x62/0x70 [ 554.491501][ C1] trace_sys_enter+0x40/0x50 [ 554.491504][ C1] syscall_trace_enter+0x108/0x170 [ 554.491507][ C1] syscall_enter_from_user_mode+0x20/0x30 [ 554.491509][ C1] do_syscall_64+0x13/0x40 [ 554.491512][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 554.491515][ C1] RIP: 0033:0x7fb4ac4c2b89 [ 554.491522][ C1] Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25 [ 554.491525][ C1] RSP: 002b:00007ffe770d7440 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 554.491532][ C1] RAX: ffffffffffffffda RBX: 00007fb4ac74dfa8 RCX: 00007fb4ac4c2b89 [ 554.491536][ C1] RDX: 00007ffe770d7440 RSI: 00007ffe770d7570 RDI: 0000000000000011 [ 554.491540][ C1] RBP: 0000000000000000 R08: 00265ba1f57d04be R09: 00000007770d7cbf [ 554.491543][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fb4ac74dfac [ 554.491547][ C1] R13: 00007fb4ac74dfa0 R14: 0000000000000095 R15: 0000000000000003