[ 44.107830][ T24] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.129748][ T24] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.147857][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 44.158853][ T24] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.167623][ T24] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.178272][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 45.095517][ T8651] can: request_module (can-proto-0) failed. [ 45.117846][ T8651] can: request_module (can-proto-0) failed. [ 45.129967][ T8651] can: request_module (can-proto-0) failed. [ 46.222567][ T36] audit: type=1804 audit(1619967266.353:2): pid=8704 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="scp" name="/root/syz-executor" dev="sda1" ino=13859 res=1 errno=0 [ 46.961208][ T79] ------------[ cut here ]------------ [ 46.967987][ T79] hook not found, pf 3 num 0 [ 46.968119][ T79] WARNING: CPU: 0 PID: 79 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x17a/0x560 [ 46.984131][ T79] Modules linked in: [ 46.988329][ T79] CPU: 0 PID: 79 Comm: kworker/u4:2 Not tainted 5.12.0-syzkaller #0 [ 46.997898][ T79] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.008918][ T79] Workqueue: netns cleanup_net [ 47.015903][ T79] RIP: 0010:__nf_unregister_net_hook+0x17a/0x560 [ 47.022976][ T79] Code: 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 a7 03 00 00 8b 53 1c 44 89 e6 48 c7 c7 40 39 9d 89 4c 89 04 24 e8 d4 8a 62 01 <0f> 0b 4c 8b 04 24 e9 ba 00 00 00 48 89 ea 48 c1 e2 04 49 8d 7c 10 [ 47.043713][ T79] RSP: 0018:ffffc9000105fbf0 EFLAGS: 00010282 [ 47.050242][ T79] RAX: 0000000000000000 RBX: ffff888147284a00 RCX: 0000000000000000 [ 47.060141][ T79] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff5200020bf70 [ 47.068671][ T79] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ba01fa5b [ 47.077583][ T79] R10: ffffed1017403f4b R11: 0000000000000001 R12: 0000000000000003 [ 47.087522][ T79] R13: ffff888028fd0000 R14: ffff888147284a1c R15: ffff888028fd0f20 [ 47.097330][ T79] FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 47.107655][ T79] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.114663][ T79] CR2: 00007f983448d018 CR3: 000000001396c000 CR4: 00000000001506e0 [ 47.124598][ T79] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.133069][ T79] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.141306][ T79] Call Trace: [ 47.144802][ T79] nf_unregister_net_hooks+0xb1/0xf0 [ 47.150360][ T79] cleanup_net+0x3a4/0x990 [ 47.156148][ T79] ? do_raw_spin_lock+0x200/0x2b0 [ 47.161409][ T79] ? ops_free_list.part.0+0x2d0/0x2d0 [ 47.168465][ T79] ? rwlock_bug.part.0+0x90/0x90 [ 47.173771][ T79] ? lock_is_held_type+0xd5/0x130 [ 47.178853][ T79] process_one_work+0x84c/0x13b0 [ 47.186104][ T79] ? lock_release+0x710/0x710 [ 47.190830][ T79] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 47.196759][ T79] ? rwlock_bug.part.0+0x90/0x90 [ 47.203388][ T79] ? _raw_spin_lock_irq+0x41/0x50 [ 47.208659][ T79] worker_thread+0x598/0xf80 [ 47.213757][ T79] ? process_one_work+0x13b0/0x13b0 [ 47.220072][ T79] kthread+0x36f/0x450 [ 47.224311][ T79] ? _raw_spin_unlock_irq+0x1f/0x40 [ 47.229884][ T79] ? __kthread_bind_mask+0x90/0x90 [ 47.236683][ T79] ret_from_fork+0x1f/0x30 [ 47.242533][ T79] Kernel panic - not syncing: panic_on_warn set ... [ 47.250218][ T79] CPU: 1 PID: 79 Comm: kworker/u4:2 Not tainted 5.12.0-syzkaller #0 [ 47.259786][ T79] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.270196][ T79] Workqueue: netns cleanup_net [ 47.275712][ T79] Call Trace: [ 47.279216][ T79] dump_stack+0x93/0xc2 [ 47.284680][ T79] panic+0x256/0x4eb [ 47.289101][ T79] ? __warn_printk+0xee/0xee [ 47.294232][ T79] ? __nf_unregister_net_hook+0x17a/0x560 [ 47.299953][ T79] __warn.cold+0x2b/0x35 [ 47.305596][ T79] ? __nf_unregister_net_hook+0x17a/0x560 [ 47.311779][ T79] report_bug+0x15a/0x1b0 [ 47.316393][ T79] handle_bug+0x3c/0x60 [ 47.321236][ T79] exc_invalid_op+0x14/0x40 [ 47.325972][ T79] asm_exc_invalid_op+0x12/0x20 [ 47.330814][ T79] RIP: 0010:__nf_unregister_net_hook+0x17a/0x560 [ 47.337308][ T79] Code: 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 a7 03 00 00 8b 53 1c 44 89 e6 48 c7 c7 40 39 9d 89 4c 89 04 24 e8 d4 8a 62 01 <0f> 0b 4c 8b 04 24 e9 ba 00 00 00 48 89 ea 48 c1 e2 04 49 8d 7c 10 [ 47.357529][ T79] RSP: 0018:ffffc9000105fbf0 EFLAGS: 00010282 [ 47.363698][ T79] RAX: 0000000000000000 RBX: ffff888147284a00 RCX: 0000000000000000 [ 47.371856][ T79] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff5200020bf70 [ 47.379813][ T79] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ba01fa5b [ 47.387764][ T79] R10: ffffed1017403f4b R11: 0000000000000001 R12: 0000000000000003 [ 47.395832][ T79] R13: ffff888028fd0000 R14: ffff888147284a1c R15: ffff888028fd0f20 [ 47.404078][ T79] nf_unregister_net_hooks+0xb1/0xf0 [ 47.409367][ T79] cleanup_net+0x3a4/0x990 [ 47.413765][ T79] ? do_raw_spin_lock+0x200/0x2b0 [ 47.418782][ T79] ? ops_free_list.part.0+0x2d0/0x2d0 [ 47.424161][ T79] ? rwlock_bug.part.0+0x90/0x90 [ 47.429355][ T79] ? lock_is_held_type+0xd5/0x130 [ 47.435267][ T79] process_one_work+0x84c/0x13b0 [ 47.440316][ T79] ? lock_release+0x710/0x710 [ 47.445274][ T79] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 47.450671][ T79] ? rwlock_bug.part.0+0x90/0x90 [ 47.455629][ T79] ? _raw_spin_lock_irq+0x41/0x50 [ 47.460883][ T79] worker_thread+0x598/0xf80 [ 47.465884][ T79] ? process_one_work+0x13b0/0x13b0 [ 47.471215][ T79] kthread+0x36f/0x450 [ 47.475273][ T79] ? _raw_spin_unlock_irq+0x1f/0x40 [ 47.480508][ T79] ? __kthread_bind_mask+0x90/0x90 [ 47.485624][ T79] ret_from_fork+0x1f/0x30 [ 47.492218][ T79] Kernel Offset: disabled [ 47.497243][ T79] Rebooting in 86400 seconds..