[ 45.398106][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 45.404550][ T1174] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.421177][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 45.606302][ T8] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.134200][ T3565] can: request_module (can-proto-0) failed. [ 46.153845][ T3565] can: request_module (can-proto-0) failed. [ 46.170801][ T3565] can: request_module (can-proto-0) failed. [ 48.289318][ T26] audit: type=1804 audit(1639361940.798:2): pid=3640 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="scp" name="/root/syz-executor" dev="sda1" ino=1135 res=1 errno=0 [ 48.662970][ T3573] syz-executor.0 (3573) used greatest stack depth: 22712 bytes left [ 48.747017][ T8] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.007766][ T8] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.058312][ T8] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.189242][ T8] ------------[ cut here ]------------ [ 51.195621][ T8] WARNING: CPU: 0 PID: 8 at net/core/devlink.c:11299 devlink_trap_policers_unregister+0x8b/0xa0 [ 51.206085][ T8] Modules linked in: [ 51.209971][ T8] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.15.0-rc6-syzkaller #0 [ 51.218495][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.228925][ T8] Workqueue: netns cleanup_net [ 51.233893][ T8] RIP: 0010:devlink_trap_policers_unregister+0x8b/0xa0 [ 51.240854][ T8] Code: f6 38 48 01 f5 48 89 ee 4c 89 e7 83 eb 01 e8 2c fc ff ff 48 83 ed 38 83 fb ff 75 e9 5b 4c 89 ef 5d 41 5c 41 5d e9 85 05 d6 01 <0f> 0b eb b6 e8 cc 72 10 fb eb 96 66 2e 0f 1f 84 00 00 00 00 00 41 [ 51.260885][ T8] RSP: 0018:ffffc90000cd7a18 EFLAGS: 00010202 [ 51.267048][ T8] RAX: 0000000000000001 RBX: 0000000000000003 RCX: ffffc90000cd78b8 [ 51.275188][ T8] RDX: 1ffff110021d5bf2 RSI: ffffffff88cb4ce0 RDI: ffffffff892070e0 [ 51.283212][ T8] RBP: ffffffff895eb580 R08: 0000000000000001 R09: 0000000000000000 [ 51.291348][ T8] R10: 0000000000000001 R11: 000000000007a089 R12: ffff88801905c000 [ 51.299394][ T8] R13: ffff88801905c000 R14: dffffc0000000000 R15: ffff88801905c398 [ 51.307394][ T8] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 51.316570][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.323319][ T8] CR2: 00007f5b84d0f5b0 CR3: 000000000a88e000 CR4: 00000000003506f0 [ 51.331375][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.339394][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.347608][ T8] Call Trace: [ 51.350885][ T8] nsim_dev_traps_exit+0x73/0x170 [ 51.355945][ T8] nsim_dev_reload_destroy+0x1d0/0x2b0 [ 51.361394][ T8] nsim_dev_reload_down+0xab/0x130 [ 51.366957][ T8] devlink_reload+0x1ae/0x5e0 [ 51.371819][ T8] ? devlink_remote_reload_actions_performed+0x30/0x30 [ 51.378685][ T8] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 51.384608][ T8] devlink_pernet_pre_exit+0x1cf/0x270 [ 51.390155][ T8] ? devlink_nl_cmd_reload+0xf80/0xf80 [ 51.395688][ T8] ? nf_tables_pre_exit_net+0xdb/0x3b0 [ 51.401146][ T8] cleanup_net+0x3a4/0x980 [ 51.405669][ T8] ? unregister_pernet_device+0x60/0x60 [ 51.411214][ T8] process_one_work+0x87f/0x1450 [ 51.416598][ T8] ? lock_release+0x720/0x720 [ 51.421442][ T8] ? pwq_dec_nr_in_flight+0x230/0x230 [ 51.427071][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 51.432044][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 51.437153][ T8] worker_thread+0x598/0x1040 [ 51.441911][ T8] ? process_one_work+0x1450/0x1450 [ 51.447276][ T8] kthread+0x38b/0x460 [ 51.451562][ T8] ? _raw_spin_unlock_irq+0x1f/0x40 [ 51.456835][ T8] ? set_kthread_struct+0x100/0x100 [ 51.462248][ T8] ret_from_fork+0x1f/0x30 [ 51.466690][ T8] Kernel panic - not syncing: panic_on_warn set ... [ 51.473263][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.15.0-rc6-syzkaller #0 [ 51.481487][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.491661][ T8] Workqueue: netns cleanup_net [ 51.496419][ T8] Call Trace: [ 51.499696][ T8] dump_stack_lvl+0x57/0x7d [ 51.505164][ T8] panic+0x214/0x49f [ 51.509238][ T8] ? __warn_printk+0xee/0xee [ 51.513914][ T8] ? devlink_trap_policers_unregister+0x8b/0xa0 [ 51.520147][ T8] __warn.cold+0x2b/0x35 [ 51.524395][ T8] ? devlink_trap_policers_unregister+0x8b/0xa0 [ 51.530715][ T8] report_bug+0x15a/0x1b0 [ 51.535161][ T8] handle_bug+0x3c/0x60 [ 51.539304][ T8] exc_invalid_op+0x14/0x40 [ 51.543870][ T8] asm_exc_invalid_op+0x12/0x20 [ 51.548715][ T8] RIP: 0010:devlink_trap_policers_unregister+0x8b/0xa0 [ 51.555550][ T8] Code: f6 38 48 01 f5 48 89 ee 4c 89 e7 83 eb 01 e8 2c fc ff ff 48 83 ed 38 83 fb ff 75 e9 5b 4c 89 ef 5d 41 5c 41 5d e9 85 05 d6 01 <0f> 0b eb b6 e8 cc 72 10 fb eb 96 66 2e 0f 1f 84 00 00 00 00 00 41 [ 51.575161][ T8] RSP: 0018:ffffc90000cd7a18 EFLAGS: 00010202 [ 51.581307][ T8] RAX: 0000000000000001 RBX: 0000000000000003 RCX: ffffc90000cd78b8 [ 51.589255][ T8] RDX: 1ffff110021d5bf2 RSI: ffffffff88cb4ce0 RDI: ffffffff892070e0 [ 51.597450][ T8] RBP: ffffffff895eb580 R08: 0000000000000001 R09: 0000000000000000 [ 51.605398][ T8] R10: 0000000000000001 R11: 000000000007a089 R12: ffff88801905c000 [ 51.613344][ T8] R13: ffff88801905c000 R14: dffffc0000000000 R15: ffff88801905c398 [ 51.621528][ T8] ? devlink_trap_policers_unregister+0x41/0xa0 [ 51.627794][ T8] nsim_dev_traps_exit+0x73/0x170 [ 51.632804][ T8] nsim_dev_reload_destroy+0x1d0/0x2b0 [ 51.638241][ T8] nsim_dev_reload_down+0xab/0x130 [ 51.643337][ T8] devlink_reload+0x1ae/0x5e0 [ 51.648004][ T8] ? devlink_remote_reload_actions_performed+0x30/0x30 [ 51.654847][ T8] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 51.660475][ T8] devlink_pernet_pre_exit+0x1cf/0x270 [ 51.666373][ T8] ? devlink_nl_cmd_reload+0xf80/0xf80 [ 51.671812][ T8] ? nf_tables_pre_exit_net+0xdb/0x3b0 [ 51.677345][ T8] cleanup_net+0x3a4/0x980 [ 51.681751][ T8] ? unregister_pernet_device+0x60/0x60 [ 51.688155][ T8] process_one_work+0x87f/0x1450 [ 51.693207][ T8] ? lock_release+0x720/0x720 [ 51.697856][ T8] ? pwq_dec_nr_in_flight+0x230/0x230 [ 51.703299][ T8] ? rwlock_bug.part.0+0x90/0x90 [ 51.708225][ T8] ? _raw_spin_lock_irq+0x41/0x50 [ 51.713240][ T8] worker_thread+0x598/0x1040 [ 51.717894][ T8] ? process_one_work+0x1450/0x1450 [ 51.723152][ T8] kthread+0x38b/0x460 [ 51.727193][ T8] ? _raw_spin_unlock_irq+0x1f/0x40 [ 51.732452][ T8] ? set_kthread_struct+0x100/0x100 [ 51.737650][ T8] ret_from_fork+0x1f/0x30 [ 51.742540][ T8] Kernel Offset: disabled [ 51.746971][ T8] Rebooting in 86400 seconds..