Warning: Permanently added '10.128.1.173' (ED25519) to the list of known hosts. 2025/08/10 11:28:25 ignoring optional flag "sandboxArg"="0" 2025/08/10 11:28:26 parsed 1 programs [ 258.690690][ T24] audit: type=1400 audit(1754825306.850:64): 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 [ 258.694961][ T24] audit: type=1400 audit(1754825306.850:65): 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 [ 258.699864][ T24] audit: type=1400 audit(1754825306.850:66): 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 [ 259.310459][ T24] audit: type=1400 audit(1754825307.470:67): 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 [ 259.311825][ T283] cgroup: Unknown subsys name 'net' [ 259.338867][ T24] audit: type=1400 audit(1754825307.470:68): 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 [ 259.361395][ T283] cgroup: Unknown subsys name 'devices' [ 259.361403][ T24] audit: type=1400 audit(1754825307.500:69): 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 [ 259.529832][ T283] cgroup: Unknown subsys name 'hugetlb' [ 259.535997][ T283] cgroup: Unknown subsys name 'rlimit' [ 259.679604][ T24] audit: type=1400 audit(1754825307.840:70): 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 [ 259.703429][ T24] audit: type=1400 audit(1754825307.840:71): 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 [ 259.708977][ T286] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 259.724051][ T24] audit: type=1400 audit(1754825307.840:72): 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 [ 259.753049][ T24] audit: type=1400 audit(1754825307.840:73): 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 [ 259.778728][ T283] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 260.202398][ T292] request_module fs-gadgetfs succeeded, but still no fs? [ 260.214013][ T292] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 260.603384][ T322] bridge0: port 1(bridge_slave_0) entered blocking state [ 260.610479][ T322] bridge0: port 1(bridge_slave_0) entered disabled state [ 260.618025][ T322] device bridge_slave_0 entered promiscuous mode [ 260.624956][ T322] bridge0: port 2(bridge_slave_1) entered blocking state [ 260.632386][ T322] bridge0: port 2(bridge_slave_1) entered disabled state [ 260.639933][ T322] device bridge_slave_1 entered promiscuous mode [ 260.676453][ T322] bridge0: port 2(bridge_slave_1) entered blocking state [ 260.683514][ T322] bridge0: port 2(bridge_slave_1) entered forwarding state [ 260.690954][ T322] bridge0: port 1(bridge_slave_0) entered blocking state [ 260.698249][ T322] bridge0: port 1(bridge_slave_0) entered forwarding state [ 260.722427][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 260.730468][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 260.737836][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 260.746677][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 260.755151][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 260.762215][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 260.772675][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 260.781238][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 260.788262][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 260.803386][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 260.816392][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 260.829362][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 260.840154][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 260.848673][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 260.856510][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 260.865124][ T322] device veth0_vlan entered promiscuous mode [ 260.874387][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 260.883738][ T322] device veth1_macvtap entered promiscuous mode [ 260.892720][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 260.903001][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/08/10 11:28:29 executed programs: 0 [ 261.357022][ T354] bridge0: port 1(bridge_slave_0) entered blocking state [ 261.364566][ T354] bridge0: port 1(bridge_slave_0) entered disabled state [ 261.372117][ T354] device bridge_slave_0 entered promiscuous mode [ 261.379802][ T354] bridge0: port 2(bridge_slave_1) entered blocking state [ 261.386827][ T354] bridge0: port 2(bridge_slave_1) entered disabled state [ 261.394395][ T354] device bridge_slave_1 entered promiscuous mode [ 261.445553][ T354] bridge0: port 2(bridge_slave_1) entered blocking state [ 261.453591][ T354] bridge0: port 2(bridge_slave_1) entered forwarding state [ 261.460862][ T354] bridge0: port 1(bridge_slave_0) entered blocking state [ 261.468017][ T354] bridge0: port 1(bridge_slave_0) entered forwarding state [ 261.485666][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 261.493628][ T298] bridge0: port 1(bridge_slave_0) entered disabled state [ 261.501440][ T298] bridge0: port 2(bridge_slave_1) entered disabled state [ 261.510522][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 261.518937][ T298] bridge0: port 1(bridge_slave_0) entered blocking state [ 261.525960][ T298] bridge0: port 1(bridge_slave_0) entered forwarding state [ 261.535279][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 261.543661][ T298] bridge0: port 2(bridge_slave_1) entered blocking state [ 261.550728][ T298] bridge0: port 2(bridge_slave_1) entered forwarding state [ 261.561507][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 261.570734][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 261.582985][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 261.593631][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 261.601948][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 261.609872][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 261.618398][ T354] device veth0_vlan entered promiscuous mode [ 261.627072][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 261.635926][ T354] device veth1_macvtap entered promiscuous mode [ 261.644514][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 261.654402][ T298] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 262.509071][ T112] device bridge_slave_1 left promiscuous mode [ 262.515211][ T112] bridge0: port 2(bridge_slave_1) entered disabled state [ 262.719247][ T112] device bridge_slave_0 left promiscuous mode [ 262.725424][ T112] bridge0: port 1(bridge_slave_0) entered disabled state [ 262.978871][ T112] device veth1_macvtap left promiscuous mode [ 262.985162][ T112] device veth0_vlan left promiscuous mode [ 387.768271][ T26] INFO: task kworker/u4:2:112 blocked for more than 122 seconds. [ 387.776005][ T26] Not tainted 5.10.240-syzkaller #0 [ 387.948072][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 387.956773][ T26] task:kworker/u4:2 state:D stack: 0 pid: 112 ppid: 2 flags:0x10004000 [ 388.438102][ T26] Workqueue: netns cleanup_net [ 388.442894][ T26] Call Trace: [ 388.446171][ T26] __schedule+0xb47/0x1310 [ 388.738105][ T26] ? release_firmware_map_entry+0x190/0x190 [ 388.744013][ T26] ? kthread_data+0x50/0xc0 [ 389.038107][ T26] ? wq_worker_sleeping+0x60/0x200 [ 389.043233][ T26] schedule+0x13c/0x1d0 [ 389.047371][ T26] schedule_timeout+0xa6/0x2d0 [ 389.378091][ T26] ? console_conditional_schedule+0x10/0x10 [ 389.383997][ T26] ? __prepare_to_swait+0xa8/0x130 [ 389.698086][ T26] wait_for_common+0x284/0x430 [ 389.702867][ T26] ? __kasan_check_write+0x14/0x20 [ 389.707966][ T26] ? wait_for_completion+0x20/0x20 [ 390.078082][ T26] ? mutex_lock+0x8c/0xe0 [ 390.082429][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 390.318101][ T26] wait_for_completion+0x18/0x20 [ 390.323055][ T26] flush_workqueue+0x606/0x13a0 [ 390.327898][ T26] ? flush_work+0x20/0x20 [ 390.698083][ T26] ? rcu_work_rcufn+0x50/0x50 [ 390.702786][ T26] peer_remove_after_dead+0x98/0x1a0 [ 390.968099][ T26] wg_peer_remove_all+0x3e2/0x450 [ 390.973138][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 391.238092][ T26] wg_destruct+0x18e/0x300 [ 391.242522][ T26] ? wg_xmit+0xb10/0xb10 [ 391.246755][ T26] netdev_run_todo+0xaf9/0xd20 [ 391.578090][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 391.583308][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 391.898083][ T26] ? list_netdevice+0x4c0/0x4c0 [ 391.902949][ T26] rtnl_unlock+0xe/0x10 [ 391.907090][ T26] default_device_exit_batch+0x335/0x390 [ 392.278083][ T26] ? default_device_exit+0x390/0x390 [ 392.283385][ T26] ? wait_woken+0x180/0x180 [ 392.287873][ T26] ? rtnl_unlock+0xe/0x10 [ 392.648086][ T26] ? default_device_exit+0x390/0x390 [ 392.653386][ T26] cleanup_net+0x5fb/0xb70 [ 392.657785][ T26] ? __kasan_check_write+0x14/0x20 [ 393.018083][ T26] ? ops_init+0x4a0/0x4a0 [ 393.022441][ T26] ? read_word_at_a_time+0x12/0x20 [ 393.027535][ T26] ? strscpy+0x9b/0x290 [ 393.408101][ T26] process_one_work+0x6e1/0xba0 [ 393.412969][ T26] worker_thread+0xa6a/0x13b0 [ 393.417631][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 393.768141][ T26] ? __kasan_check_read+0x11/0x20 [ 393.773181][ T26] kthread+0x346/0x3d0 [ 393.777232][ T26] ? worker_clr_flags+0x190/0x190 [ 394.158121][ T26] ? kthread_blkcg+0xd0/0xd0 [ 394.162726][ T26] ret_from_fork+0x1f/0x30 [ 394.398107][ T26] NMI backtrace for cpu 1 [ 394.402464][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.10.240-syzkaller #0 [ 394.410425][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 394.420466][ T26] Call Trace: [ 394.423751][ T26] __dump_stack+0x21/0x24 [ 394.428061][ T26] dump_stack_lvl+0x169/0x1d8 [ 394.432719][ T26] ? show_regs_print_info+0x18/0x18 [ 394.437910][ T26] ? sched_show_task+0x324/0x4a0 [ 394.442918][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 394.447844][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 394.453894][ T26] dump_stack+0x15/0x1c [ 394.458036][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 394.463999][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 394.469874][ T26] watchdog+0xe2e/0xf70 [ 394.474016][ T26] ? hungtask_pm_notify+0x50/0x50 [ 394.479023][ T26] ? __kasan_check_read+0x11/0x20 [ 394.484028][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 394.488946][ T26] kthread+0x346/0x3d0 [ 394.492999][ T26] ? hungtask_pm_notify+0x50/0x50 [ 394.498006][ T26] ? kthread_blkcg+0xd0/0xd0 [ 394.502577][ T26] ret_from_fork+0x1f/0x30 [ 394.507047][ T26] Sending NMI from CPU 1 to CPUs 0: [ 394.512708][ C0] NMI backtrace for cpu 0 [ 394.512713][ C0] CPU: 0 PID: 389 Comm: syz.2.17 Not tainted 5.10.240-syzkaller #0 [ 394.512724][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 394.512727][ C0] RIP: 0010:unwind_get_return_address+0x36/0x90 [ 394.512737][ C0] Code: 49 be 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 48 83 3b 00 74 3a 48 83 c3 48 49 89 df 49 c1 ef 03 <43> 80 3c 37 00 74 08 48 89 df e8 4b e3 6e 00 48 8b 3b e8 93 ab 12 [ 394.512740][ C0] RSP: 0018:ffffc90000f37680 EFLAGS: 00000806 [ 394.512748][ C0] RAX: 0000000000000000 RBX: ffffc90000f376f0 RCX: 0000000000f37601 [ 394.512752][ C0] RDX: ffffc90000f37ac0 RSI: 1ffff920001e6ed6 RDI: ffffc90000f376a8 [ 394.512756][ C0] RBP: ffffc90000f37698 R08: ffffc90000f37770 R09: ffffc90000f37768 [ 394.512760][ C0] R10: 0000000000000004 R11: 1ffff920001e6ed5 R12: ffff88811062e2c0 [ 394.512764][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001e6ede [ 394.512769][ C0] FS: 000055557f451500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 394.512772][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 394.512777][ C0] CR2: 0000000000000000 CR3: 000000010d17b000 CR4: 00000000003506b0 [ 394.512781][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 394.512785][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 394.512787][ C0] Call Trace: [ 394.512790][ C0] ? stack_trace_save+0xe0/0xe0 [ 394.512792][ C0] arch_stack_walk+0xee/0x140 [ 394.512795][ C0] ? kmem_cache_free+0x100/0x2d0 [ 394.512798][ C0] stack_trace_save+0x98/0xe0 [ 394.512801][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 394.512803][ C0] ? 0xffffffffa001868c [ 394.512806][ C0] ? memset+0x35/0x40 [ 394.512809][ C0] kasan_set_track+0x4a/0x70 [ 394.512812][ C0] ? kasan_set_track+0x4a/0x70 [ 394.512815][ C0] ? kasan_set_free_info+0x23/0x40 [ 394.512818][ C0] ? ____kasan_slab_free+0x125/0x160 [ 394.512821][ C0] ? __kasan_slab_free+0x11/0x20 [ 394.512824][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 394.512827][ C0] ? kmem_cache_free+0x100/0x2d0 [ 394.512829][ C0] kasan_set_free_info+0x23/0x40 [ 394.512832][ C0] ____kasan_slab_free+0x125/0x160 [ 394.512835][ C0] __kasan_slab_free+0x11/0x20 [ 394.512838][ C0] slab_free_freelist_hook+0xc5/0x190 [ 394.512841][ C0] ? __dequeue_signal+0x530/0x620 [ 394.512844][ C0] kmem_cache_free+0x100/0x2d0 [ 394.512847][ C0] __dequeue_signal+0x530/0x620 [ 394.512850][ C0] dequeue_signal+0xa0/0x440 [ 394.512852][ C0] get_signal+0x772/0x12e0 [ 394.512855][ C0] arch_do_signal_or_restart+0xbf/0x10f0 [ 394.512858][ C0] ? bpf_do_trace_printk+0x240/0x240 [ 394.512861][ C0] ? KSTK_ESP+0x60/0x60 [ 394.512864][ C0] ? __ia32_sys_rt_sigreturn+0x6c0/0x6c0 [ 394.512867][ C0] ? __bpf_trace_sys_enter+0x62/0x70 [ 394.512870][ C0] exit_to_user_mode_loop+0xa2/0xe0 [ 394.512873][ C0] syscall_exit_to_user_mode+0x68/0x90 [ 394.512876][ C0] do_syscall_64+0x3d/0x40 [ 394.512879][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 394.512882][ C0] RIP: 0033:0x7f186c125be9 [ 394.512891][ C0] 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 [ 394.512894][ C0] RSP: 002b:00007fff8ad35518 EFLAGS: 00000246 [ 394.512900][ C0] RAX: 0000000000000000 RBX: 00007f186c34cfa8 RCX: 00007f186c125be9 [ 394.512904][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f186c34cfac [ 394.512908][ C0] RBP: 0000000000000000 R08: 002d2089f78bbc93 R09: 000000078ad3580f [ 394.512912][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f186c34cfac [ 394.512916][ C0] R13: 00007f186c34cfa0 R14: 0000000000000095 R15: 0000000000000003 [ 417.858101][ T26] INFO: task kworker/u4:2:112 blocked for more than 152 seconds. [ 417.865826][ T26] Not tainted 5.10.240-syzkaller #0 [ 418.038072][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 418.046763][ T26] task:kworker/u4:2 state:D stack: 0 pid: 112 ppid: 2 flags:0x10004000 [ 418.518083][ T26] Workqueue: netns cleanup_net [ 418.522868][ T26] Call Trace: [ 418.526149][ T26] __schedule+0xb47/0x1310 [ 418.848077][ T26] ? release_firmware_map_entry+0x190/0x190 [ 418.853983][ T26] ? kthread_data+0x50/0xc0 [ 419.138072][ T26] ? wq_worker_sleeping+0x60/0x200 [ 419.143198][ T26] schedule+0x13c/0x1d0 [ 419.147341][ T26] schedule_timeout+0xa6/0x2d0 [ 419.488076][ T26] ? console_conditional_schedule+0x10/0x10 [ 419.493998][ T26] ? __prepare_to_swait+0xa8/0x130 [ 419.778069][ T26] wait_for_common+0x284/0x430 [ 419.782942][ T26] ? __kasan_check_write+0x14/0x20 [ 420.048088][ T26] ? wait_for_completion+0x20/0x20 [ 420.053223][ T26] ? mutex_lock+0x8c/0xe0 [ 420.057540][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 420.438094][ T26] wait_for_completion+0x18/0x20 [ 420.443103][ T26] flush_workqueue+0x606/0x13a0 [ 420.447950][ T26] ? flush_work+0x20/0x20 [ 420.828102][ T26] ? rcu_work_rcufn+0x50/0x50 [ 420.832802][ T26] peer_remove_after_dead+0x98/0x1a0 [ 421.078072][ T26] wg_peer_remove_all+0x3e2/0x450 [ 421.083121][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 421.368100][ T26] wg_destruct+0x18e/0x300 [ 421.372536][ T26] ? wg_xmit+0xb10/0xb10 [ 421.376766][ T26] netdev_run_todo+0xaf9/0xd20 [ 421.718096][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 421.723319][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 422.018082][ T26] ? list_netdevice+0x4c0/0x4c0 [ 422.022952][ T26] rtnl_unlock+0xe/0x10 [ 422.027094][ T26] default_device_exit_batch+0x335/0x390 [ 422.388073][ T26] ? default_device_exit+0x390/0x390 [ 422.393377][ T26] ? wait_woken+0x180/0x180 [ 422.397871][ T26] ? rtnl_unlock+0xe/0x10 [ 422.758086][ T26] ? default_device_exit+0x390/0x390 [ 422.763389][ T26] cleanup_net+0x5fb/0xb70 [ 422.767792][ T26] ? __kasan_check_write+0x14/0x20 [ 423.148072][ T26] ? ops_init+0x4a0/0x4a0 [ 423.152421][ T26] ? read_word_at_a_time+0x12/0x20 [ 423.157514][ T26] ? strscpy+0x9b/0x290 [ 423.508069][ T26] process_one_work+0x6e1/0xba0 [ 423.512947][ T26] worker_thread+0xa6a/0x13b0 [ 423.517615][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 423.918093][ T26] ? __kasan_check_read+0x11/0x20 [ 423.923135][ T26] kthread+0x346/0x3d0 [ 423.927188][ T26] ? worker_clr_flags+0x190/0x190 [ 424.268085][ T26] ? kthread_blkcg+0xd0/0xd0 [ 424.272694][ T26] ret_from_fork+0x1f/0x30 [ 424.518080][ T26] NMI backtrace for cpu 1 [ 424.522432][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.10.240-syzkaller #0 [ 424.530394][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 424.540432][ T26] Call Trace: [ 424.543712][ T26] __dump_stack+0x21/0x24 [ 424.548023][ T26] dump_stack_lvl+0x169/0x1d8 [ 424.552686][ T26] ? show_regs_print_info+0x18/0x18 [ 424.557878][ T26] ? sched_show_task+0x324/0x4a0 [ 424.562805][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 424.567731][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 424.573786][ T26] dump_stack+0x15/0x1c [ 424.577930][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 424.583897][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 424.589778][ T26] watchdog+0xe2e/0xf70 [ 424.593925][ T26] ? hungtask_pm_notify+0x50/0x50 [ 424.598934][ T26] ? __kasan_check_read+0x11/0x20 [ 424.603940][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 424.608859][ T26] kthread+0x346/0x3d0 [ 424.612915][ T26] ? hungtask_pm_notify+0x50/0x50 [ 424.617920][ T26] ? kthread_blkcg+0xd0/0xd0 [ 424.622494][ T26] ret_from_fork+0x1f/0x30 [ 424.626942][ T26] Sending NMI from CPU 1 to CPUs 0: [ 424.632886][ C0] NMI backtrace for cpu 0 [ 424.632891][ C0] CPU: 0 PID: 389 Comm: syz.2.17 Not tainted 5.10.240-syzkaller #0 [ 424.632896][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 424.632899][ C0] RIP: 0010:update_stack_state+0x349/0x480 [ 424.632908][ C0] Code: ef e8 2b d8 6e 00 41 f6 45 00 03 74 5c 45 31 f6 e9 b0 00 00 00 4c 8d 73 38 4c 89 f0 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df <42> 80 3c 20 00 74 08 4c 89 f7 e8 98 d8 6e 00 48 8b 45 d0 49 89 06 [ 424.632912][ C0] RSP: 0018:ffffc900000076d8 EFLAGS: 00000806 [ 424.632919][ C0] RAX: 1ffff92000000f0c RBX: ffffc90000007828 RCX: ffffc90000f37e01 [ 424.632924][ C0] RDX: ffffc90000f37ee8 RSI: 1ffff92000000f06 RDI: ffffc90000007880 [ 424.632928][ C0] RBP: ffffc90000007798 R08: ffffc900000078f0 R09: ffffc900000078e8 [ 424.632932][ C0] R10: 0000000000000019 R11: 1ffff92000000f05 R12: dffffc0000000000 [ 424.632936][ C0] R13: 0000000000000000 R14: ffffc90000007860 R15: 1ffff92000000f0d [ 424.632941][ C0] FS: 000055557f451500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 424.632945][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 424.632949][ C0] CR2: 0000000000000000 CR3: 000000010d17b000 CR4: 00000000003506b0 [ 424.632953][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 424.632957][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 424.632959][ C0] Call Trace: [ 424.632961][ C0] [ 424.632964][ C0] unwind_next_frame+0x3d5/0x700 [ 424.632967][ C0] ? stack_trace_save+0xe0/0xe0 [ 424.632970][ C0] arch_stack_walk+0x108/0x140 [ 424.632973][ C0] ? trace_sys_enter+0x40/0x50 [ 424.632976][ C0] stack_trace_save+0x98/0xe0 [ 424.632979][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 424.632982][ C0] ? memset+0x35/0x40 [ 424.632985][ C0] __kasan_slab_alloc+0xbd/0xf0 [ 424.632987][ C0] ? __kasan_slab_alloc+0xbd/0xf0 [ 424.632991][ C0] ? slab_post_alloc_hook+0x5d/0x2f0 [ 424.632993][ C0] ? kmem_cache_alloc+0x165/0x2e0 [ 424.632996][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 424.632999][ C0] ? __send_signal+0x1f2/0xb80 [ 424.633002][ C0] ? send_signal+0x479/0x5b0 [ 424.633005][ C0] ? do_send_sig_info+0xd6/0x210 [ 424.633008][ C0] ? group_send_sig_info+0x111/0x2a0 [ 424.633011][ C0] ? do_bpf_send_signal+0x82/0x150 [ 424.633014][ C0] ? irq_work_run_list+0x179/0x260 [ 424.633016][ C0] ? irq_work_run+0x6a/0xf0 [ 424.633019][ C0] ? __sysvec_irq_work+0x66/0x1b0 [ 424.633022][ C0] ? asm_call_irq_on_stack+0xf/0x20 [ 424.633025][ C0] ? sysvec_irq_work+0x85/0xd0 [ 424.633028][ C0] ? asm_sysvec_irq_work+0x12/0x20 [ 424.633031][ C0] ? native_apic_msr_write+0x39/0x50 [ 424.633034][ C0] ? x2apic_send_IPI_self+0x5e/0x70 [ 424.633037][ C0] ? arch_irq_work_raise+0x86/0xd0 [ 424.633040][ C0] ? __irq_work_queue_local+0x115/0x190 [ 424.633043][ C0] ? irq_work_queue+0x9e/0x150 [ 424.633046][ C0] ? bpf_send_signal_common+0x2b2/0x420 [ 424.633049][ C0] ? bpf_send_signal+0x19/0x20 [ 424.633052][ C0] ? bpf_prog_7ba5217f62dcd359+0x38/0x974 [ 424.633055][ C0] ? bpf_trace_run2+0xb3/0x200 [ 424.633058][ C0] ? __bpf_trace_sys_enter+0x62/0x70 [ 424.633060][ C0] ? trace_sys_enter+0x40/0x50 [ 424.633063][ C0] slab_post_alloc_hook+0x5d/0x2f0 [ 424.633066][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 424.633069][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 424.633072][ C0] kmem_cache_alloc+0x165/0x2e0 [ 424.633075][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 424.633078][ C0] __sigqueue_alloc+0x185/0x2d0 [ 424.633080][ C0] __send_signal+0x1f2/0xb80 [ 424.633083][ C0] send_signal+0x479/0x5b0 [ 424.633086][ C0] do_send_sig_info+0xd6/0x210 [ 424.633089][ C0] group_send_sig_info+0x111/0x2a0 [ 424.633092][ C0] ? __lock_task_sighand+0x100/0x100 [ 424.633095][ C0] do_bpf_send_signal+0x82/0x150 [ 424.633098][ C0] irq_work_run_list+0x179/0x260 [ 424.633100][ C0] ? irq_work_run+0xf0/0xf0 [ 424.633103][ C0] ? debug_smp_processor_id+0x17/0x20 [ 424.633106][ C0] ? irqtime_account_irq+0x165/0x1b0 [ 424.633109][ C0] ? __do_softirq+0x4c9/0x563 [ 424.633112][ C0] irq_work_run+0x6a/0xf0 [ 424.633115][ C0] __sysvec_irq_work+0x66/0x1b0 [ 424.633118][ C0] asm_call_irq_on_stack+0xf/0x20 [ 424.633120][ C0] [ 424.633122][ C0] sysvec_irq_work+0x85/0xd0 [ 424.633125][ C0] asm_sysvec_irq_work+0x12/0x20 [ 424.633129][ C0] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 424.633137][ C0] 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 87 93 27 01 5d c3 0f 1f 44 00 [ 424.633141][ C0] RSP: 0018:ffffc90000f37c20 EFLAGS: 00000246 [ 424.633146][ C0] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f [ 424.633149][ C0] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f [ 424.633152][ C0] RBP: ffffc90000f37c20 R08: dffffc0000000000 R09: ffffed103ee0a5f7 [ 424.633156][ C0] R10: ffffed103ee0a5f7 R11: 1ffff1103ee0a5f6 R12: 0000000000000000 [ 424.633159][ C0] R13: dffffc0000000001 R14: ffffffff859c2998 R15: dffffc0000000000 [ 424.633161][ C0] x2apic_send_IPI_self+0x5e/0x70 [ 424.633163][ C0] arch_irq_work_raise+0x86/0xd0 [ 424.633166][ C0] __irq_work_queue_local+0x115/0x190 [ 424.633168][ C0] irq_work_queue+0x9e/0x150 [ 424.633171][ C0] bpf_send_signal_common+0x2b2/0x420 [ 424.633173][ C0] ? bpf_do_trace_printk+0x240/0x240 [ 424.633175][ C0] ? sched_clock_cpu+0x1b/0x3d0 [ 424.633177][ C0] bpf_send_signal+0x19/0x20 [ 424.633180][ C0] bpf_prog_7ba5217f62dcd359+0x38/0x974 [ 424.633182][ C0] bpf_trace_run2+0xb3/0x200 [ 424.633184][ C0] ? bpf_trace_run1+0x200/0x200 [ 424.633186][ C0] __bpf_trace_sys_enter+0x62/0x70 [ 424.633189][ C0] trace_sys_enter+0x40/0x50 [ 424.633191][ C0] syscall_trace_enter+0x108/0x170 [ 424.633193][ C0] syscall_enter_from_user_mode+0x20/0x30 [ 424.633195][ C0] do_syscall_64+0x13/0x40 [ 424.633198][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 424.633200][ C0] RIP: 0033:0x7f186c0c1dd9 [ 424.633208][ C0] 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 [ 424.633210][ C0] RSP: 002b:00007fff8ad34f80 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 424.633216][ C0] RAX: ffffffffffffffda RBX: 00007f186c34cfa8 RCX: 00007f186c0c1dd9 [ 424.633219][ C0] RDX: 00007fff8ad34f80 RSI: 00007fff8ad350b0 RDI: 0000000000000011 [ 424.633223][ C0] RBP: 0000000000000000 R08: 002d2089f78bbc93 R09: 000000078ad3580f [ 424.633226][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f186c34cfac [ 424.633229][ C0] R13: 00007f186c34cfa0 R14: 0000000000000095 R15: 0000000000000003 [ 425.277935][ C0] sched: RT throttling activated [ 448.568082][ T26] INFO: task kworker/u4:2:112 blocked for more than 183 seconds. [ 448.575835][ T26] Not tainted 5.10.240-syzkaller #0 [ 448.808072][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 448.816754][ T26] task:kworker/u4:2 state:D stack: 0 pid: 112 ppid: 2 flags:0x10004000 [ 449.258056][ T26] Workqueue: netns cleanup_net [ 449.262838][ T26] Call Trace: [ 449.266116][ T26] __schedule+0xb47/0x1310 [ 449.578080][ T26] ? release_firmware_map_entry+0x190/0x190 [ 449.584001][ T26] ? kthread_data+0x50/0xc0 [ 449.838056][ T26] ? wq_worker_sleeping+0x60/0x200 [ 449.843185][ T26] schedule+0x13c/0x1d0 [ 449.847329][ T26] schedule_timeout+0xa6/0x2d0 [ 450.208073][ T26] ? console_conditional_schedule+0x10/0x10 [ 450.213977][ T26] ? __prepare_to_swait+0xa8/0x130 [ 450.498051][ T26] wait_for_common+0x284/0x430 [ 450.502830][ T26] ? __kasan_check_write+0x14/0x20 [ 450.507927][ T26] ? wait_for_completion+0x20/0x20 [ 450.878067][ T26] ? mutex_lock+0x8c/0xe0 [ 450.882431][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 451.168090][ T26] wait_for_completion+0x18/0x20 [ 451.173046][ T26] flush_workqueue+0x606/0x13a0 [ 451.177882][ T26] ? flush_work+0x20/0x20 [ 451.538066][ T26] ? rcu_work_rcufn+0x50/0x50 [ 451.542761][ T26] peer_remove_after_dead+0x98/0x1a0 [ 451.798053][ T26] wg_peer_remove_all+0x3e2/0x450 [ 451.803092][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 452.068054][ T26] wg_destruct+0x18e/0x300 [ 452.072482][ T26] ? wg_xmit+0xb10/0xb10 [ 452.076715][ T26] netdev_run_todo+0xaf9/0xd20 [ 452.428053][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 452.433261][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 452.698060][ T26] ? list_netdevice+0x4c0/0x4c0 [ 452.702930][ T26] rtnl_unlock+0xe/0x10 [ 452.707068][ T26] default_device_exit_batch+0x335/0x390 [ 453.088072][ T26] ? default_device_exit+0x390/0x390 [ 453.093368][ T26] ? wait_woken+0x180/0x180 [ 453.097856][ T26] ? rtnl_unlock+0xe/0x10 [ 453.458069][ T26] ? default_device_exit+0x390/0x390 [ 453.463375][ T26] cleanup_net+0x5fb/0xb70 [ 453.467779][ T26] ? __kasan_check_write+0x14/0x20 [ 453.838061][ T26] ? ops_init+0x4a0/0x4a0 [ 453.842404][ T26] ? read_word_at_a_time+0x12/0x20 [ 453.847496][ T26] ? strscpy+0x9b/0x290 [ 454.208054][ T26] process_one_work+0x6e1/0xba0 [ 454.212929][ T26] worker_thread+0xa6a/0x13b0 [ 454.217593][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 454.588060][ T26] ? __kasan_check_read+0x11/0x20 [ 454.593103][ T26] kthread+0x346/0x3d0 [ 454.597156][ T26] ? worker_clr_flags+0x190/0x190 [ 454.978065][ T26] ? kthread_blkcg+0xd0/0xd0 [ 454.982677][ T26] ret_from_fork+0x1f/0x30 [ 455.218312][ T26] NMI backtrace for cpu 1 [ 455.222665][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.10.240-syzkaller #0 [ 455.230624][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 455.240658][ T26] Call Trace: [ 455.243936][ T26] __dump_stack+0x21/0x24 [ 455.248250][ T26] dump_stack_lvl+0x169/0x1d8 [ 455.252915][ T26] ? show_regs_print_info+0x18/0x18 [ 455.258098][ T26] ? sched_show_task+0x324/0x4a0 [ 455.263017][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 455.267938][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 455.273990][ T26] dump_stack+0x15/0x1c [ 455.278130][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 455.284179][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 455.290059][ T26] watchdog+0xe2e/0xf70 [ 455.294201][ T26] ? hungtask_pm_notify+0x50/0x50 [ 455.299208][ T26] ? __kasan_check_read+0x11/0x20 [ 455.304223][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 455.309142][ T26] kthread+0x346/0x3d0 [ 455.313191][ T26] ? hungtask_pm_notify+0x50/0x50 [ 455.318200][ T26] ? kthread_blkcg+0xd0/0xd0 [ 455.322785][ T26] ret_from_fork+0x1f/0x30 [ 455.327229][ T26] Sending NMI from CPU 1 to CPUs 0: [ 455.332631][ C0] NMI backtrace for cpu 0 [ 455.332636][ C0] CPU: 0 PID: 389 Comm: syz.2.17 Not tainted 5.10.240-syzkaller #0 [ 455.332641][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 455.332644][ C0] RIP: 0010:bpf_trace_run2+0xb3/0x200 [ 455.332653][ C0] Code: ff 49 8d 5e 38 49 83 c6 30 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 c8 76 2f 00 48 8d 7c 24 40 48 89 de 41 ff 16 e8 a9 e3 ff 48 c7 44 24 20 0e 36 e0 45 4b c7 44 3d 00 00 00 00 [ 455.332657][ C0] RSP: 0018:ffffc90000f37de0 EFLAGS: 00000246 [ 455.332664][ C0] RAX: 0000000000000000 RBX: ffffc9000010d038 RCX: cc16e433012ef400 [ 455.332668][ C0] RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000 [ 455.332673][ C0] RBP: ffffc90000f37ea0 R08: dffffc0000000000 R09: ffffed103ee0a5f7 [ 455.332676][ C0] R10: ffffed103ee0a5f7 R11: 1ffff1103ee0a5f6 R12: ffffc90000f37f58 [ 455.332681][ C0] R13: 1ffff920001e6fc0 R14: ffffc9000010d030 R15: dffffc0000000000 [ 455.332685][ C0] FS: 000055557f451500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 455.332689][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 455.332693][ C0] CR2: 0000000000000000 CR3: 000000010d17b000 CR4: 00000000003506b0 [ 455.332697][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 455.332701][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 455.332703][ C0] Call Trace: [ 455.332706][ C0] ? bpf_trace_run1+0x200/0x200 [ 455.332709][ C0] __bpf_trace_sys_enter+0x62/0x70 [ 455.332712][ C0] trace_sys_enter+0x40/0x50 [ 455.332715][ C0] syscall_trace_enter+0x108/0x170 [ 455.332718][ C0] syscall_enter_from_user_mode+0x20/0x30 [ 455.332721][ C0] do_syscall_64+0x13/0x40 [ 455.332724][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 455.332727][ C0] RIP: 0033:0x7f186c0c1dd9 [ 455.332736][ C0] 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 [ 455.332739][ C0] RSP: 002b:00007fff8ad34f80 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 455.332747][ C0] RAX: ffffffffffffffda RBX: 00007f186c34cfa8 RCX: 00007f186c0c1dd9 [ 455.332751][ C0] RDX: 00007fff8ad34f80 RSI: 00007fff8ad350b0 RDI: 0000000000000011 [ 455.332755][ C0] RBP: 0000000000000000 R08: 002d2089f78bbc93 R09: 000000078ad3580f [ 455.332759][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f186c34cfac [ 455.332763][ C0] R13: 00007f186c34cfa0 R14: 0000000000000095 R15: 0000000000000003 [ 478.648076][ T26] INFO: task kworker/u4:2:112 blocked for more than 213 seconds. [ 478.655815][ T26] Not tainted 5.10.240-syzkaller #0 [ 478.858038][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 478.866724][ T26] task:kworker/u4:2 state:D stack: 0 pid: 112 ppid: 2 flags:0x10004000 [ 479.338054][ T26] Workqueue: netns cleanup_net [ 479.342835][ T26] Call Trace: [ 479.346110][ T26] __schedule+0xb47/0x1310 [ 479.658058][ T26] ? release_firmware_map_entry+0x190/0x190 [ 479.663966][ T26] ? kthread_data+0x50/0xc0 [ 479.938044][ T26] ? wq_worker_sleeping+0x60/0x200 [ 479.943166][ T26] schedule+0x13c/0x1d0 [ 479.947307][ T26] schedule_timeout+0xa6/0x2d0 [ 480.288058][ T26] ? console_conditional_schedule+0x10/0x10 [ 480.293973][ T26] ? __prepare_to_swait+0xa8/0x130 [ 480.608067][ T26] wait_for_common+0x284/0x430 [ 480.612846][ T26] ? __kasan_check_write+0x14/0x20 [ 480.617946][ T26] ? wait_for_completion+0x20/0x20 [ 480.978051][ T26] ? mutex_lock+0x8c/0xe0 [ 480.982398][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 481.238059][ T26] wait_for_completion+0x18/0x20 [ 481.243019][ T26] flush_workqueue+0x606/0x13a0 [ 481.247854][ T26] ? flush_work+0x20/0x20 [ 481.608061][ T26] ? rcu_work_rcufn+0x50/0x50 [ 481.612762][ T26] peer_remove_after_dead+0x98/0x1a0 [ 481.868038][ T26] wg_peer_remove_all+0x3e2/0x450 [ 481.873091][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 482.168070][ T26] wg_destruct+0x18e/0x300 [ 482.172506][ T26] ? wg_xmit+0xb10/0xb10 [ 482.176736][ T26] netdev_run_todo+0xaf9/0xd20 [ 482.508075][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 482.513297][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 482.798039][ T26] ? list_netdevice+0x4c0/0x4c0 [ 482.802910][ T26] rtnl_unlock+0xe/0x10 [ 482.807049][ T26] default_device_exit_batch+0x335/0x390 [ 483.168038][ T26] ? default_device_exit+0x390/0x390 [ 483.173423][ T26] ? wait_woken+0x180/0x180 [ 483.177912][ T26] ? rtnl_unlock+0xe/0x10 [ 483.568051][ T26] ? default_device_exit+0x390/0x390 [ 483.573352][ T26] cleanup_net+0x5fb/0xb70 [ 483.577754][ T26] ? __kasan_check_write+0x14/0x20 [ 483.938040][ T26] ? ops_init+0x4a0/0x4a0 [ 483.942384][ T26] ? read_word_at_a_time+0x12/0x20 [ 483.947479][ T26] ? strscpy+0x9b/0x290 [ 484.268036][ T26] process_one_work+0x6e1/0xba0 [ 484.272901][ T26] worker_thread+0xa6a/0x13b0 [ 484.277567][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 484.688064][ T26] ? __kasan_check_read+0x11/0x20 [ 484.693110][ T26] kthread+0x346/0x3d0 [ 484.697167][ T26] ? worker_clr_flags+0x190/0x190 [ 485.048058][ T26] ? kthread_blkcg+0xd0/0xd0 [ 485.052676][ T26] ret_from_fork+0x1f/0x30 [ 485.328059][ T26] NMI backtrace for cpu 1 [ 485.332406][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.10.240-syzkaller #0 [ 485.340367][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 485.350522][ T26] Call Trace: [ 485.353801][ T26] __dump_stack+0x21/0x24 [ 485.358111][ T26] dump_stack_lvl+0x169/0x1d8 [ 485.362770][ T26] ? show_regs_print_info+0x18/0x18 [ 485.367952][ T26] ? sched_show_task+0x324/0x4a0 [ 485.372876][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 485.377803][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 485.383857][ T26] dump_stack+0x15/0x1c [ 485.387998][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 485.393960][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 485.399837][ T26] watchdog+0xe2e/0xf70 [ 485.403978][ T26] ? hungtask_pm_notify+0x50/0x50 [ 485.408990][ T26] ? __kasan_check_read+0x11/0x20 [ 485.413994][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 485.418913][ T26] kthread+0x346/0x3d0 [ 485.422963][ T26] ? hungtask_pm_notify+0x50/0x50 [ 485.427970][ T26] ? kthread_blkcg+0xd0/0xd0 [ 485.432543][ T26] ret_from_fork+0x1f/0x30 [ 485.436994][ T26] Sending NMI from CPU 1 to CPUs 0: [ 485.442610][ C0] NMI backtrace for cpu 0 [ 485.442615][ C0] CPU: 0 PID: 389 Comm: syz.2.17 Not tainted 5.10.240-syzkaller #0 [ 485.442621][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 485.442624][ C0] RIP: 0010:__stack_depot_save+0x153/0x4c0 [ 485.442633][ C0] Code: d5 10 28 21 85 49 89 f9 45 89 e8 44 89 ee 45 89 d2 42 ff 24 d5 10 28 21 85 45 03 69 08 41 03 71 04 45 03 01 41 31 f5 41 89 f1 <41> c1 c1 0e 45 29 cd 45 31 e8 45 89 e9 41 c1 c1 0b 45 29 c8 45 89 [ 485.442637][ C0] RSP: 0018:ffffc90000f37778 EFLAGS: 00000002 [ 485.442644][ C0] RAX: 0000000000000000 RBX: 000000001ae11458 RCX: 0000000000000001 [ 485.442648][ C0] RDX: 0000000000000800 RSI: 000000007f6b318e RDI: ffffc90000f377e0 [ 485.442652][ C0] RBP: ffffc90000f377d0 R08: 00000000670e8ecc R09: 000000007f6b318e [ 485.442656][ C0] R10: 0000000000000001 R11: 000000008f14fed0 R12: 000000000000000e [ 485.442660][ C0] R13: 000000006d7fd62a R14: 0000000097decbb5 R15: ffffc90000f377e0 [ 485.442665][ C0] FS: 000055557f451500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 485.442669][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 485.442673][ C0] CR2: 0000000000000000 CR3: 000000010d17b000 CR4: 00000000003506b0 [ 485.442677][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 485.442681][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 485.442683][ C0] Call Trace: [ 485.442686][ C0] kasan_set_track+0x5b/0x70 [ 485.442689][ C0] ? kasan_set_track+0x4a/0x70 [ 485.442692][ C0] ? kasan_set_free_info+0x23/0x40 [ 485.442695][ C0] ? ____kasan_slab_free+0x125/0x160 [ 485.442698][ C0] ? __kasan_slab_free+0x11/0x20 [ 485.442701][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 485.442703][ C0] ? kmem_cache_free+0x100/0x2d0 [ 485.442707][ C0] ? __dequeue_signal+0x530/0x620 [ 485.442709][ C0] ? dequeue_signal+0xa0/0x440 [ 485.442712][ C0] ? get_signal+0x772/0x12e0 [ 485.442715][ C0] ? arch_do_signal_or_restart+0xbf/0x10f0 [ 485.442718][ C0] ? exit_to_user_mode_loop+0xa2/0xe0 [ 485.442722][ C0] ? syscall_exit_to_user_mode+0x68/0x90 [ 485.442724][ C0] ? do_syscall_64+0x3d/0x40 [ 485.442728][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 485.442731][ C0] ? kmem_cache_free+0x100/0x2d0 [ 485.442734][ C0] kasan_set_free_info+0x23/0x40 [ 485.442737][ C0] ____kasan_slab_free+0x125/0x160 [ 485.442739][ C0] __kasan_slab_free+0x11/0x20 [ 485.442742][ C0] slab_free_freelist_hook+0xc5/0x190 [ 485.442745][ C0] ? __dequeue_signal+0x530/0x620 [ 485.442748][ C0] kmem_cache_free+0x100/0x2d0 [ 485.442751][ C0] __dequeue_signal+0x530/0x620 [ 485.442754][ C0] dequeue_signal+0xa0/0x440 [ 485.442756][ C0] get_signal+0x772/0x12e0 [ 485.442760][ C0] arch_do_signal_or_restart+0xbf/0x10f0 [ 485.442763][ C0] ? bpf_do_trace_printk+0x240/0x240 [ 485.442765][ C0] ? KSTK_ESP+0x60/0x60 [ 485.442768][ C0] ? __ia32_sys_rt_sigreturn+0x6c0/0x6c0 [ 485.442771][ C0] ? __bpf_trace_sys_enter+0x62/0x70 [ 485.442774][ C0] exit_to_user_mode_loop+0xa2/0xe0 [ 485.442777][ C0] syscall_exit_to_user_mode+0x68/0x90 [ 485.442780][ C0] do_syscall_64+0x3d/0x40 [ 485.442783][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 485.442786][ C0] RIP: 0033:0x7f186c125be9 [ 485.442795][ C0] 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 [ 485.442798][ C0] RSP: 002b:00007fff8ad35518 EFLAGS: 00000246 [ 485.442804][ C0] RAX: 0000000000000000 RBX: 00007f186c34cfa8 RCX: 00007f186c125be9 [ 485.442809][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f186c34cfac [ 485.442813][ C0] RBP: 0000000000000000 R08: 002d2089f78bbc93 R09: 000000078ad3580f [ 485.442817][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f186c34cfac [ 485.442821][ C0] R13: 00007f186c34cfa0 R14: 0000000000000095 R15: 0000000000000003 [ 508.728067][ T26] INFO: task kworker/u4:2:112 blocked for more than 243 seconds. [ 508.735792][ T26] Not tainted 5.10.240-syzkaller #0 [ 508.938023][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 508.946962][ T26] task:kworker/u4:2 state:D stack: 0 pid: 112 ppid: 2 flags:0x10004000 [ 509.408228][ T26] Workqueue: netns cleanup_net [ 509.413002][ T26] Call Trace: [ 509.416274][ T26] __schedule+0xb47/0x1310 [ 509.738029][ T26] ? release_firmware_map_entry+0x190/0x190 [ 509.743944][ T26] ? kthread_data+0x50/0xc0 [ 510.018044][ T26] ? wq_worker_sleeping+0x60/0x200 [ 510.023171][ T26] schedule+0x13c/0x1d0 [ 510.027316][ T26] schedule_timeout+0xa6/0x2d0 [ 510.368056][ T26] ? console_conditional_schedule+0x10/0x10 [ 510.373971][ T26] ? __prepare_to_swait+0xa8/0x130 [ 510.678037][ T26] wait_for_common+0x284/0x430 [ 510.682825][ T26] ? __kasan_check_write+0x14/0x20 [ 510.687920][ T26] ? wait_for_completion+0x20/0x20 [ 511.078023][ T26] ? mutex_lock+0x8c/0xe0 [ 511.082368][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 511.308024][ T26] wait_for_completion+0x18/0x20 [ 511.312993][ T26] flush_workqueue+0x606/0x13a0 [ 511.317837][ T26] ? flush_work+0x20/0x20 [ 511.688026][ T26] ? rcu_work_rcufn+0x50/0x50 [ 511.692732][ T26] peer_remove_after_dead+0x98/0x1a0 [ 511.938072][ T26] wg_peer_remove_all+0x3e2/0x450 [ 511.943117][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 512.248025][ T26] wg_destruct+0x18e/0x300 [ 512.252463][ T26] ? wg_xmit+0xb10/0xb10 [ 512.256691][ T26] netdev_run_todo+0xaf9/0xd20 [ 512.568045][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 512.573262][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 512.868031][ T26] ? list_netdevice+0x4c0/0x4c0 [ 512.872906][ T26] rtnl_unlock+0xe/0x10 [ 512.877047][ T26] default_device_exit_batch+0x335/0x390 [ 513.238050][ T26] ? default_device_exit+0x390/0x390 [ 513.243351][ T26] ? wait_woken+0x180/0x180 [ 513.247837][ T26] ? rtnl_unlock+0xe/0x10 [ 513.628042][ T26] ? default_device_exit+0x390/0x390 [ 513.633351][ T26] cleanup_net+0x5fb/0xb70 [ 513.637758][ T26] ? __kasan_check_write+0x14/0x20 [ 514.018033][ T26] ? ops_init+0x4a0/0x4a0 [ 514.022380][ T26] ? read_word_at_a_time+0x12/0x20 [ 514.027494][ T26] ? strscpy+0x9b/0x290 [ 514.368035][ T26] process_one_work+0x6e1/0xba0 [ 514.372900][ T26] worker_thread+0xa6a/0x13b0 [ 514.377563][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 514.748026][ T26] ? __kasan_check_read+0x11/0x20 [ 514.753066][ T26] kthread+0x346/0x3d0 [ 514.757120][ T26] ? worker_clr_flags+0x190/0x190 [ 515.118021][ T26] ? kthread_blkcg+0xd0/0xd0 [ 515.122625][ T26] ret_from_fork+0x1f/0x30 [ 515.378047][ T26] NMI backtrace for cpu 1 [ 515.382397][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.10.240-syzkaller #0 [ 515.390354][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 515.400389][ T26] Call Trace: [ 515.403669][ T26] __dump_stack+0x21/0x24 [ 515.407981][ T26] dump_stack_lvl+0x169/0x1d8 [ 515.412652][ T26] ? show_regs_print_info+0x18/0x18 [ 515.417840][ T26] ? sched_show_task+0x324/0x4a0 [ 515.422764][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 515.427689][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 515.433757][ T26] dump_stack+0x15/0x1c [ 515.437898][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 515.443864][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 515.449741][ T26] watchdog+0xe2e/0xf70 [ 515.453879][ T26] ? hungtask_pm_notify+0x50/0x50 [ 515.458884][ T26] ? __kasan_check_read+0x11/0x20 [ 515.463892][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 515.468819][ T26] kthread+0x346/0x3d0 [ 515.472872][ T26] ? hungtask_pm_notify+0x50/0x50 [ 515.477878][ T26] ? kthread_blkcg+0xd0/0xd0 [ 515.482448][ T26] ret_from_fork+0x1f/0x30 [ 515.486886][ T26] Sending NMI from CPU 1 to CPUs 0: [ 515.492621][ C0] NMI backtrace for cpu 0 [ 515.492626][ C0] CPU: 0 PID: 389 Comm: syz.2.17 Not tainted 5.10.240-syzkaller #0 [ 515.492631][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 515.492635][ C0] RIP: 0010:kasan_check_range+0x7f/0x290 [ 515.492644][ C0] Code: 5c 37 ff 48 c1 eb 03 4e 8d 14 3b 4d 89 d6 4d 29 ce 49 83 fe 10 7f 26 4d 85 f6 0f 84 39 01 00 00 48 f7 d3 4c 01 db 41 80 39 00 <0f> 85 c2 01 00 00 49 ff c1 48 ff c3 75 ee e9 1c 01 00 00 44 89 cb [ 515.492647][ C0] RSP: 0018:ffffc90000007760 EFLAGS: 00000046 [ 515.492654][ C0] RAX: ffff88811062e201 RBX: ffffffffffffffff RCX: ffffffff812ebc04 [ 515.492658][ C0] RDX: 0000000000000001 RSI: 0000000000000060 RDI: ffffc90000007828 [ 515.492663][ C0] RBP: ffffc90000007778 R08: dffffc0000000000 R09: fffff52000000f10 [ 515.492667][ C0] R10: fffff52000000f11 R11: 1ffff92000000f05 R12: 0000000000000000 [ 515.492671][ C0] R13: ffffc90000007c20 R14: 000000000000000c R15: dffffc0000000001 [ 515.492676][ C0] FS: 000055557f451500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 515.492679][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 515.492683][ C0] CR2: 0000000000000000 CR3: 000000010d17b000 CR4: 00000000003506b0 [ 515.492687][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 515.492691][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 515.492694][ C0] Call Trace: [ 515.492696][ C0] [ 515.492698][ C0] memset+0x23/0x40 [ 515.492701][ C0] __unwind_start+0x34/0x3a0 [ 515.492704][ C0] ? __kernel_text_address+0xa0/0x100 [ 515.492707][ C0] ? stack_trace_save+0xe0/0xe0 [ 515.492710][ C0] arch_stack_walk+0xd6/0x140 [ 515.492712][ C0] stack_trace_save+0x98/0xe0 [ 515.492715][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 515.492718][ C0] ? memset+0x35/0x40 [ 515.492721][ C0] __kasan_slab_alloc+0xbd/0xf0 [ 515.492723][ C0] slab_post_alloc_hook+0x5d/0x2f0 [ 515.492726][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 515.492729][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 515.492732][ C0] kmem_cache_alloc+0x165/0x2e0 [ 515.492735][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 515.492738][ C0] __sigqueue_alloc+0x185/0x2d0 [ 515.492740][ C0] __send_signal+0x1f2/0xb80 [ 515.492743][ C0] send_signal+0x479/0x5b0 [ 515.492746][ C0] do_send_sig_info+0xd6/0x210 [ 515.492749][ C0] group_send_sig_info+0x111/0x2a0 [ 515.492752][ C0] ? __lock_task_sighand+0x100/0x100 [ 515.492755][ C0] do_bpf_send_signal+0x82/0x150 [ 515.492758][ C0] irq_work_run_list+0x179/0x260 [ 515.492760][ C0] ? irq_work_run+0xf0/0xf0 [ 515.492763][ C0] irq_work_run+0x6a/0xf0 [ 515.492766][ C0] __sysvec_irq_work+0x66/0x1b0 [ 515.492769][ C0] asm_call_irq_on_stack+0xf/0x20 [ 515.492771][ C0] [ 515.492774][ C0] sysvec_irq_work+0x85/0xd0 [ 515.492777][ C0] asm_sysvec_irq_work+0x12/0x20 [ 515.492780][ C0] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 515.492790][ C0] 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 87 93 27 01 5d c3 0f 1f 44 00 [ 515.492793][ C0] RSP: 0018:ffffc90000f37c20 EFLAGS: 00000246 [ 515.492799][ C0] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f [ 515.492804][ C0] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f [ 515.492808][ C0] RBP: ffffc90000f37c20 R08: dffffc0000000000 R09: ffffed103ee0a5f7 [ 515.492812][ C0] R10: ffffed103ee0a5f7 R11: 1ffff1103ee0a5f6 R12: 0000000000000000 [ 515.492816][ C0] R13: dffffc0000000001 R14: ffffffff859c2998 R15: dffffc0000000000 [ 515.492819][ C0] x2apic_send_IPI_self+0x5e/0x70 [ 515.492822][ C0] arch_irq_work_raise+0x86/0xd0 [ 515.492825][ C0] __irq_work_queue_local+0x115/0x190 [ 515.492828][ C0] irq_work_queue+0x9e/0x150 [ 515.492831][ C0] bpf_send_signal_common+0x2b2/0x420 [ 515.492834][ C0] ? bpf_do_trace_printk+0x240/0x240 [ 515.492837][ C0] bpf_send_signal+0x19/0x20 [ 515.492840][ C0] bpf_prog_7ba5217f62dcd359+0x38/0x974 [ 515.492843][ C0] bpf_trace_run2+0xb3/0x200 [ 515.492846][ C0] ? bpf_trace_run1+0x200/0x200 [ 515.492849][ C0] __bpf_trace_sys_enter+0x62/0x70 [ 515.492851][ C0] trace_sys_enter+0x40/0x50 [ 515.492854][ C0] syscall_trace_enter+0x108/0x170 [ 515.492858][ C0] syscall_enter_from_user_mode+0x20/0x30 [ 515.492860][ C0] do_syscall_64+0x13/0x40 [ 515.492864][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 515.492866][ C0] RIP: 0033:0x7f186c0c1dd9 [ 515.492875][ C0] 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 [ 515.492878][ C0] RSP: 002b:00007fff8ad34f80 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 515.492886][ C0] RAX: ffffffffffffffda RBX: 00007f186c34cfa8 RCX: 00007f186c0c1dd9 [ 515.492890][ C0] RDX: 00007fff8ad34f80 RSI: 00007fff8ad350b0 RDI: 0000000000000011 [ 515.492894][ C0] RBP: 0000000000000000 R08: 002d2089f78bbc93 R09: 000000078ad3580f [ 515.492898][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f186c34cfac [ 515.492902][ C0] R13: 00007f186c34cfa0 R14: 0000000000000095 R15: 0000000000000003 [ 539.448044][ T26] INFO: task kworker/u4:2:112 blocked for more than 274 seconds. [ 539.455864][ T26] Not tainted 5.10.240-syzkaller #0 [ 539.658016][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 539.666701][ T26] task:kworker/u4:2 state:D stack: 0 pid: 112 ppid: 2 flags:0x10004000 [ 540.128052][ T26] Workqueue: netns cleanup_net [ 540.132828][ T26] Call Trace: [ 540.136106][ T26] __schedule+0xb47/0x1310 [ 540.458018][ T26] ? release_firmware_map_entry+0x190/0x190 [ 540.463932][ T26] ? kthread_data+0x50/0xc0 [ 540.718034][ T26] ? wq_worker_sleeping+0x60/0x200 [ 540.723162][ T26] schedule+0x13c/0x1d0 [ 540.727300][ T26] schedule_timeout+0xa6/0x2d0 [ 541.088200][ T26] ? console_conditional_schedule+0x10/0x10 [ 541.094114][ T26] ? __prepare_to_swait+0xa8/0x130 [ 541.398030][ T26] wait_for_common+0x284/0x430 [ 541.402811][ T26] ? __kasan_check_write+0x14/0x20 [ 541.407913][ T26] ? wait_for_completion+0x20/0x20 [ 541.768030][ T26] ? mutex_lock+0x8c/0xe0 [ 541.772374][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 542.018028][ T26] wait_for_completion+0x18/0x20 [ 542.022991][ T26] flush_workqueue+0x606/0x13a0 [ 542.027826][ T26] ? flush_work+0x20/0x20 [ 542.388011][ T26] ? rcu_work_rcufn+0x50/0x50 [ 542.392713][ T26] peer_remove_after_dead+0x98/0x1a0 [ 542.668014][ T26] wg_peer_remove_all+0x3e2/0x450 [ 542.673058][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 542.948020][ T26] wg_destruct+0x18e/0x300 [ 542.952454][ T26] ? wg_xmit+0xb10/0xb10 [ 542.956680][ T26] netdev_run_todo+0xaf9/0xd20 [ 543.278023][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 543.283238][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 543.608013][ T26] ? list_netdevice+0x4c0/0x4c0 [ 543.612882][ T26] rtnl_unlock+0xe/0x10 [ 543.617022][ T26] default_device_exit_batch+0x335/0x390 [ 543.958015][ T26] ? default_device_exit+0x390/0x390 [ 543.963319][ T26] ? wait_woken+0x180/0x180 [ 543.967813][ T26] ? rtnl_unlock+0xe/0x10 [ 544.348013][ T26] ? default_device_exit+0x390/0x390 [ 544.353328][ T26] cleanup_net+0x5fb/0xb70 [ 544.357732][ T26] ? __kasan_check_write+0x14/0x20 [ 544.718005][ T26] ? ops_init+0x4a0/0x4a0 [ 544.722356][ T26] ? read_word_at_a_time+0x12/0x20 [ 544.727452][ T26] ? strscpy+0x9b/0x290 [ 545.078021][ T26] process_one_work+0x6e1/0xba0 [ 545.082886][ T26] worker_thread+0xa6a/0x13b0 [ 545.087547][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 545.488009][ T26] ? __kasan_check_read+0x11/0x20 [ 545.493056][ T26] kthread+0x346/0x3d0 [ 545.497115][ T26] ? worker_clr_flags+0x190/0x190 [ 545.828024][ T26] ? kthread_blkcg+0xd0/0xd0 [ 545.832629][ T26] ret_from_fork+0x1f/0x30 [ 546.118022][ T26] NMI backtrace for cpu 1 [ 546.122369][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.10.240-syzkaller #0 [ 546.130325][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 546.140359][ T26] Call Trace: [ 546.143634][ T26] __dump_stack+0x21/0x24 [ 546.147946][ T26] dump_stack_lvl+0x169/0x1d8 [ 546.152605][ T26] ? show_regs_print_info+0x18/0x18 [ 546.157785][ T26] ? sched_show_task+0x324/0x4a0 [ 546.162710][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 546.167635][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 546.173684][ T26] dump_stack+0x15/0x1c [ 546.177823][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 546.183785][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 546.189659][ T26] watchdog+0xe2e/0xf70 [ 546.193814][ T26] ? hungtask_pm_notify+0x50/0x50 [ 546.198829][ T26] ? __kasan_check_read+0x11/0x20 [ 546.203844][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 546.208767][ T26] kthread+0x346/0x3d0 [ 546.212822][ T26] ? hungtask_pm_notify+0x50/0x50 [ 546.217825][ T26] ? kthread_blkcg+0xd0/0xd0 [ 546.222399][ T26] ret_from_fork+0x1f/0x30 [ 546.226844][ T26] Sending NMI from CPU 1 to CPUs 0: [ 546.232508][ C0] NMI backtrace for cpu 0 [ 546.232513][ C0] CPU: 0 PID: 389 Comm: syz.2.17 Not tainted 5.10.240-syzkaller #0 [ 546.232518][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 546.232522][ C0] RIP: 0010:update_stack_state+0x298/0x480 [ 546.232531][ C0] Code: f7 49 c1 ef 03 48 b8 00 00 00 00 00 fc ff df 41 80 3c 07 00 74 08 4c 89 f7 e8 c4 d8 6e 00 49 83 3e 00 74 26 44 3b 6d ac 75 20 <48> 8b 45 a0 48 39 45 b0 73 16 31 db 89 d8 48 81 c4 98 00 00 00 5b [ 546.232534][ C0] RSP: 0018:ffffc90000f37558 EFLAGS: 00000046 [ 546.232541][ C0] RAX: dffffc0000000000 RBX: ffffc90000f376a8 RCX: ffffc90000f37d01 [ 546.232546][ C0] RDX: ffffc90000f37cf0 RSI: 1ffff920001e6ed6 RDI: ffffc90000f37700 [ 546.232550][ C0] RBP: ffffc90000f37618 R08: ffffc90000f37770 R09: ffffc90000f37768 [ 546.232554][ C0] R10: 0000000000000008 R11: 1ffff920001e6ed5 R12: ffffc90000f376a8 [ 546.232558][ C0] R13: 0000000000000001 R14: ffffc90000f376e8 R15: 1ffff920001e6edd [ 546.232563][ C0] FS: 000055557f451500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 546.232566][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 546.232571][ C0] CR2: 0000000000000000 CR3: 000000010d17b000 CR4: 00000000003506b0 [ 546.232575][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 546.232579][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 546.232581][ C0] Call Trace: [ 546.232584][ C0] unwind_next_frame+0x3d5/0x700 [ 546.232587][ C0] ? stack_trace_save+0xe0/0xe0 [ 546.232590][ C0] arch_stack_walk+0x108/0x140 [ 546.232593][ C0] ? get_signal+0x772/0x12e0 [ 546.232595][ C0] stack_trace_save+0x98/0xe0 [ 546.232598][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 546.232601][ C0] ? 0xffffffffa001868c [ 546.232603][ C0] ? memset+0x35/0x40 [ 546.232606][ C0] kasan_set_track+0x4a/0x70 [ 546.232609][ C0] ? kasan_set_track+0x4a/0x70 [ 546.232612][ C0] ? kasan_set_free_info+0x23/0x40 [ 546.232615][ C0] ? ____kasan_slab_free+0x125/0x160 [ 546.232618][ C0] ? __kasan_slab_free+0x11/0x20 [ 546.232621][ C0] ? slab_free_freelist_hook+0xc5/0x190 [ 546.232623][ C0] ? kmem_cache_free+0x100/0x2d0 [ 546.232626][ C0] ? __dequeue_signal+0x530/0x620 [ 546.232629][ C0] ? dequeue_signal+0xa0/0x440 [ 546.232632][ C0] ? get_signal+0x772/0x12e0 [ 546.232635][ C0] ? kmem_cache_free+0x100/0x2d0 [ 546.232638][ C0] kasan_set_free_info+0x23/0x40 [ 546.232640][ C0] ____kasan_slab_free+0x125/0x160 [ 546.232643][ C0] __kasan_slab_free+0x11/0x20 [ 546.232646][ C0] slab_free_freelist_hook+0xc5/0x190 [ 546.232649][ C0] ? __dequeue_signal+0x530/0x620 [ 546.232651][ C0] kmem_cache_free+0x100/0x2d0 [ 546.232654][ C0] __dequeue_signal+0x530/0x620 [ 546.232657][ C0] dequeue_signal+0xa0/0x440 [ 546.232660][ C0] get_signal+0x772/0x12e0 [ 546.232663][ C0] arch_do_signal_or_restart+0xbf/0x10f0 [ 546.232666][ C0] ? bpf_do_trace_printk+0x240/0x240 [ 546.232669][ C0] ? KSTK_ESP+0x60/0x60 [ 546.232672][ C0] ? __ia32_sys_rt_sigreturn+0x6c0/0x6c0 [ 546.232675][ C0] ? __bpf_trace_sys_enter+0x62/0x70 [ 546.232678][ C0] exit_to_user_mode_loop+0xa2/0xe0 [ 546.232681][ C0] syscall_exit_to_user_mode+0x68/0x90 [ 546.232684][ C0] do_syscall_64+0x3d/0x40 [ 546.232687][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 546.232690][ C0] RIP: 0033:0x7f186c125be9 [ 546.232698][ C0] 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 [ 546.232702][ C0] RSP: 002b:00007fff8ad35518 EFLAGS: 00000246 [ 546.232708][ C0] RAX: 0000000000000000 RBX: 00007f186c34cfa8 RCX: 00007f186c125be9 [ 546.232712][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f186c34cfac [ 546.232716][ C0] RBP: 0000000000000000 R08: 002d2089f78bbc93 R09: 000000078ad3580f [ 546.232720][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f186c34cfac [ 546.232724][ C0] R13: 00007f186c34cfa0 R14: 0000000000000095 R15: 0000000000000003