[ 43.107760][ T24] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.127885][ T24] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.142993][ T4034] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 43.157021][ T176] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 43.168100][ T176] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 43.180783][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 44.038106][ T8436] can: request_module (can-proto-0) failed. [ 44.052390][ T8436] can: request_module (can-proto-0) failed. [ 44.064413][ T8436] can: request_module (can-proto-0) failed. [ 45.082878][ T37] audit: type=1804 audit(1620143425.760:2): pid=8750 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="scp" name="/root/syz-executor" dev="sda1" ino=13855 res=1 errno=0 [ 46.164798][ T224] ------------[ cut here ]------------ [ 46.171530][ T224] hook not found, pf 3 num 0 [ 46.171623][ T224] WARNING: CPU: 0 PID: 224 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x17a/0x560 [ 46.187600][ T224] Modules linked in: [ 46.191892][ T224] CPU: 1 PID: 224 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 46.201940][ T224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.213470][ T224] Workqueue: netns cleanup_net [ 46.218863][ T224] RIP: 0010:__nf_unregister_net_hook+0x17a/0x560 [ 46.226689][ T224] 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 bd 9d 89 4c 89 04 24 e8 e6 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 [ 46.247908][ T224] RSP: 0018:ffffc9000198fbf0 EFLAGS: 00010282 [ 46.254079][ T224] RAX: 0000000000000000 RBX: ffff888144dc4500 RCX: 0000000000000000 [ 46.262888][ T224] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff52000331f70 [ 46.278162][ T224] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ba01fa5b [ 46.287368][ T224] R10: ffffed1017403f4b R11: 0000000000000001 R12: 0000000000000003 [ 46.295865][ T224] R13: ffff88802d240000 R14: ffff888144dc451c R15: ffff88802d240f20 [ 46.306301][ T224] FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 46.318842][ T224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.330043][ T224] CR2: 00007ffd3b5fbd98 CR3: 00000000288ff000 CR4: 00000000001506e0 [ 46.341779][ T224] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.353188][ T224] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.364263][ T224] Call Trace: [ 46.367912][ T224] nf_unregister_net_hooks+0xb1/0xf0 [ 46.373302][ T224] cleanup_net+0x3a4/0x990 [ 46.378021][ T224] ? do_raw_spin_lock+0x120/0x2b0 [ 46.383453][ T224] ? ops_free_list.part.0+0x2d0/0x2d0 [ 46.389816][ T224] ? rwlock_bug.part.0+0x90/0x90 [ 46.395455][ T224] ? lock_is_held_type+0xd5/0x130 [ 46.401077][ T224] process_one_work+0x84c/0x13b0 [ 46.406315][ T224] ? lock_release+0x710/0x710 [ 46.411636][ T224] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 46.417371][ T224] ? rwlock_bug.part.0+0x90/0x90 [ 46.422822][ T224] ? _raw_spin_lock_irq+0x41/0x50 [ 46.428674][ T224] worker_thread+0x598/0xf80 [ 46.433768][ T224] ? __kthread_parkme+0xa2/0x1c0 [ 46.439034][ T224] ? process_one_work+0x13b0/0x13b0 [ 46.444707][ T224] kthread+0x36f/0x450 [ 46.449096][ T224] ? _raw_spin_unlock_irq+0x1f/0x40 [ 46.454462][ T224] ? __kthread_bind_mask+0x90/0x90 [ 46.460007][ T224] ret_from_fork+0x1f/0x30 [ 46.465157][ T224] Kernel panic - not syncing: panic_on_warn set ... [ 46.473687][ T224] CPU: 1 PID: 224 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 46.482296][ T224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.493375][ T224] Workqueue: netns cleanup_net [ 46.498412][ T224] Call Trace: [ 46.501770][ T224] dump_stack+0x93/0xc2 [ 46.505997][ T224] panic+0x256/0x4eb [ 46.510156][ T224] ? __warn_printk+0xee/0xee [ 46.515114][ T224] ? __nf_unregister_net_hook+0x17a/0x560 [ 46.521200][ T224] __warn.cold+0x2b/0x35 [ 46.525532][ T224] ? __nf_unregister_net_hook+0x17a/0x560 [ 46.531825][ T224] report_bug+0x15a/0x1b0 [ 46.536771][ T224] handle_bug+0x3c/0x60 [ 46.541248][ T224] exc_invalid_op+0x14/0x40 [ 46.545870][ T224] asm_exc_invalid_op+0x12/0x20 [ 46.551407][ T224] RIP: 0010:__nf_unregister_net_hook+0x17a/0x560 [ 46.559023][ T224] 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 bd 9d 89 4c 89 04 24 e8 e6 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 [ 46.580652][ T224] RSP: 0018:ffffc9000198fbf0 EFLAGS: 00010282 [ 46.586742][ T224] RAX: 0000000000000000 RBX: ffff888144dc4500 RCX: 0000000000000000 [ 46.595144][ T224] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff52000331f70 [ 46.604302][ T224] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ba01fa5b [ 46.613044][ T224] R10: ffffed1017403f4b R11: 0000000000000001 R12: 0000000000000003 [ 46.621404][ T224] R13: ffff88802d240000 R14: ffff888144dc451c R15: ffff88802d240f20 [ 46.630333][ T224] nf_unregister_net_hooks+0xb1/0xf0 [ 46.636100][ T224] cleanup_net+0x3a4/0x990 [ 46.641473][ T224] ? do_raw_spin_lock+0x120/0x2b0 [ 46.647342][ T224] ? ops_free_list.part.0+0x2d0/0x2d0 [ 46.653836][ T224] ? rwlock_bug.part.0+0x90/0x90 [ 46.659147][ T224] ? lock_is_held_type+0xd5/0x130 [ 46.664976][ T224] process_one_work+0x84c/0x13b0 [ 46.670513][ T224] ? lock_release+0x710/0x710 [ 46.676483][ T224] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 46.682673][ T224] ? rwlock_bug.part.0+0x90/0x90 [ 46.687816][ T224] ? _raw_spin_lock_irq+0x41/0x50 [ 46.693199][ T224] worker_thread+0x598/0xf80 [ 46.698149][ T224] ? __kthread_parkme+0xa2/0x1c0 [ 46.703431][ T224] ? process_one_work+0x13b0/0x13b0 [ 46.708807][ T224] kthread+0x36f/0x450 [ 46.713881][ T224] ? _raw_spin_unlock_irq+0x1f/0x40 [ 46.720912][ T224] ? __kthread_bind_mask+0x90/0x90 [ 46.727183][ T224] ret_from_fork+0x1f/0x30 [ 46.733899][ T224] Kernel Offset: disabled [ 46.739634][ T224] Rebooting in 86400 seconds..