[ 43.928002][ T219] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.937852][ T219] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.974404][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 43.990017][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.000627][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.013617][ T4852] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 44.894257][ T8361] can: request_module (can-proto-0) failed. [ 44.909382][ T8361] can: request_module (can-proto-0) failed. [ 44.925380][ T8361] can: request_module (can-proto-0) failed. [ 45.946949][ T36] audit: type=1804 audit(1620276653.143:2): pid=8673 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=ToMToU comm="scp" name="/root/syz-executor" dev="sda1" ino=13858 res=1 errno=0 [ 46.965280][ T8] ------------[ cut here ]------------ [ 46.971639][ T8] hook not found, pf 3 num 0 [ 46.971751][ T8] WARNING: CPU: 1 PID: 8 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x17a/0x560 [ 46.990382][ T8] Modules linked in: [ 46.994684][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 47.004044][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.016242][ T8] Workqueue: netns cleanup_net [ 47.021387][ T8] RIP: 0010:__nf_unregister_net_hook+0x17a/0x560 [ 47.028154][ T8] 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 00 b1 9c 89 4c 89 04 24 e8 16 89 62 01 <0f> 0b 4c 8b 04 24 e9 ba 00 00 00 48 89 ea 48 c1 e2 04 49 8d 7c 10 [ 47.048447][ T8] RSP: 0018:ffffc90000cd7bf0 EFLAGS: 00010282 [ 47.055056][ T8] RAX: 0000000000000000 RBX: ffff888144232e00 RCX: 0000000000000000 [ 47.063799][ T8] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff5200019af70 [ 47.072433][ T8] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ba11fa5b [ 47.080939][ T8] R10: ffffed1017423f4b R11: 0000000000000001 R12: 0000000000000003 [ 47.089774][ T8] R13: ffff888018420000 R14: ffff888144232e1c R15: ffff888018420f20 [ 47.098283][ T8] FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 47.108613][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.115832][ T8] CR2: 00007fde18d8aac0 CR3: 000000000a68e000 CR4: 00000000001506e0 [ 47.124354][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.133628][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.141986][ T8] Call Trace: [ 47.145733][ T8] nf_unregister_net_hooks+0xb1/0xf0 [ 47.151579][ T8] cleanup_net+0x3a4/0x990 [ 47.156747][ T8] ? ops_free_list.part.0+0x2d0/0x2d0 [ 47.163045][ T8] ? lock_is_held_type+0xd5/0x130 [ 47.168909][ T8] process_one_work+0x84c/0x13b0 [ 47.174338][ T8] ? lock_release+0x710/0x710 [ 47.179766][ T8] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 47.185383][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 47.190888][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 47.196550][ T8] worker_thread+0x598/0xf80 [ 47.201648][ T8] ? process_one_work+0x13b0/0x13b0 [ 47.207475][ T8] kthread+0x36f/0x450 [ 47.211869][ T8] ? _raw_spin_unlock_irq+0x1f/0x40 [ 47.218508][ T8] ? __kthread_bind_mask+0x90/0x90 [ 47.224142][ T8] ret_from_fork+0x1f/0x30 [ 47.229752][ T8] Kernel panic - not syncing: panic_on_warn set ... [ 47.236569][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 47.245363][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.257305][ T8] Workqueue: netns cleanup_net [ 47.262370][ T8] Call Trace: [ 47.265657][ T8] dump_stack+0x93/0xc2 [ 47.269834][ T8] panic+0x256/0x4eb [ 47.274117][ T8] ? __warn_printk+0xee/0xee [ 47.279151][ T8] ? __nf_unregister_net_hook+0x17a/0x560 [ 47.285481][ T8] __warn.cold+0x2b/0x35 [ 47.290303][ T8] ? __nf_unregister_net_hook+0x17a/0x560 [ 47.296218][ T8] report_bug+0x15a/0x1b0 [ 47.301094][ T8] handle_bug+0x3c/0x60 [ 47.305551][ T8] exc_invalid_op+0x14/0x40 [ 47.310537][ T8] asm_exc_invalid_op+0x12/0x20 [ 47.315892][ T8] RIP: 0010:__nf_unregister_net_hook+0x17a/0x560 [ 47.322926][ T8] 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 00 b1 9c 89 4c 89 04 24 e8 16 89 62 01 <0f> 0b 4c 8b 04 24 e9 ba 00 00 00 48 89 ea 48 c1 e2 04 49 8d 7c 10 [ 47.342986][ T8] RSP: 0018:ffffc90000cd7bf0 EFLAGS: 00010282 [ 47.349933][ T8] RAX: 0000000000000000 RBX: ffff888144232e00 RCX: 0000000000000000 [ 47.358482][ T8] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff5200019af70 [ 47.367691][ T8] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ba11fa5b [ 47.378578][ T8] R10: ffffed1017423f4b R11: 0000000000000001 R12: 0000000000000003 [ 47.389354][ T8] R13: ffff888018420000 R14: ffff888144232e1c R15: ffff888018420f20 [ 47.398086][ T8] nf_unregister_net_hooks+0xb1/0xf0 [ 47.404597][ T8] cleanup_net+0x3a4/0x990 [ 47.409154][ T8] ? ops_free_list.part.0+0x2d0/0x2d0 [ 47.415806][ T8] ? lock_is_held_type+0xd5/0x130 [ 47.421550][ T8] process_one_work+0x84c/0x13b0 [ 47.426677][ T8] ? lock_release+0x710/0x710 [ 47.431452][ T8] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 47.436995][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 47.442840][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 47.448519][ T8] worker_thread+0x598/0xf80 [ 47.454005][ T8] ? process_one_work+0x13b0/0x13b0 [ 47.460148][ T8] kthread+0x36f/0x450 [ 47.464419][ T8] ? _raw_spin_unlock_irq+0x1f/0x40 [ 47.470025][ T8] ? __kthread_bind_mask+0x90/0x90 [ 47.475492][ T8] ret_from_fork+0x1f/0x30 [ 47.482375][ T8] Kernel Offset: disabled [ 47.487104][ T8] Rebooting in 86400 seconds..