[ 44.246850][ T1053] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 44.262471][ T10] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 44.272888][ T10] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 44.282553][ T1053] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 44.465919][ T10] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.955685][ T6523] can: request_module (can-proto-0) failed. [ 44.969544][ T6523] can: request_module (can-proto-0) failed. [ 44.982365][ T6523] can: request_module (can-proto-0) failed. [ 45.275746][ T6524] syz-fuzzer (6524) used greatest stack depth: 22560 bytes left [ 46.207511][ T26] audit: type=1804 audit(1635247932.733:2): pid=6951 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="scp" name="/root/syz-executor" dev="sda1" ino=13858 res=1 errno=0 [ 47.521704][ T10] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.035662][ T10] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.085219][ T10] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.188297][ T10] ------------[ cut here ]------------ [ 50.194230][ T10] WARNING: CPU: 0 PID: 10 at net/core/devlink.c:11299 devlink_trap_policers_unregister+0x8b/0xa0 [ 50.205409][ T10] Modules linked in: [ 50.209666][ T10] CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted 5.15.0-rc6-syzkaller #0 [ 50.218432][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.228929][ T10] Workqueue: netns cleanup_net [ 50.233858][ T10] RIP: 0010:devlink_trap_policers_unregister+0x8b/0xa0 [ 50.240958][ T10] 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 f5 ff d5 01 <0f> 0b eb b6 e8 8c ad 10 fb eb 96 66 2e 0f 1f 84 00 00 00 00 00 41 [ 50.261836][ T10] RSP: 0018:ffffc90000cf7a18 EFLAGS: 00010202 [ 50.267917][ T10] RAX: 0000000000000001 RBX: 0000000000000003 RCX: ffffc90000cf78b8 [ 50.276396][ T10] RDX: 1ffff110021de4d2 RSI: ffffffff88cb4ce0 RDI: ffffffff89207120 [ 50.285107][ T10] RBP: ffffffff895eb580 R08: 0000000000000001 R09: 0000000000000000 [ 50.293536][ T10] R10: 0000000000000001 R11: 000000000007a089 R12: ffff88807e28d000 [ 50.302740][ T10] R13: ffff88807e28d000 R14: dffffc0000000000 R15: ffff88807e28d398 [ 50.310841][ T10] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 50.320304][ T10] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.326901][ T10] CR2: 00007fbcba44d020 CR3: 0000000070941000 CR4: 00000000003506e0 [ 50.335031][ T10] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.343287][ T10] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.351466][ T10] Call Trace: [ 50.354753][ T10] nsim_dev_traps_exit+0x73/0x170 [ 50.360020][ T10] nsim_dev_reload_destroy+0x1d0/0x2b0 [ 50.365483][ T10] nsim_dev_reload_down+0xab/0x130 [ 50.371015][ T10] devlink_reload+0x1ae/0x5e0 [ 50.375808][ T10] ? devlink_remote_reload_actions_performed+0x30/0x30 [ 50.383220][ T10] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 50.389267][ T10] devlink_pernet_pre_exit+0x1cf/0x270 [ 50.394754][ T10] ? devlink_nl_cmd_reload+0xf80/0xf80 [ 50.400414][ T10] ? nf_tables_pre_exit_net+0xdb/0x3b0 [ 50.406092][ T10] cleanup_net+0x3a4/0x980 [ 50.410611][ T10] ? unregister_pernet_device+0x60/0x60 [ 50.416178][ T10] process_one_work+0x87f/0x1450 [ 50.421197][ T10] ? lock_release+0x720/0x720 [ 50.425885][ T10] ? pwq_dec_nr_in_flight+0x230/0x230 [ 50.431433][ T10] ? rwlock_bug.part.0+0x90/0x90 [ 50.436364][ T10] ? _raw_spin_lock_irq+0x41/0x50 [ 50.441770][ T10] worker_thread+0x598/0x1040 [ 50.446554][ T10] ? process_one_work+0x1450/0x1450 [ 50.452017][ T10] kthread+0x38b/0x460 [ 50.456468][ T10] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.461787][ T10] ? set_kthread_struct+0x100/0x100 [ 50.467497][ T10] ret_from_fork+0x1f/0x30 [ 50.472636][ T10] Kernel panic - not syncing: panic_on_warn set ... [ 50.479289][ T10] CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted 5.15.0-rc6-syzkaller #0 [ 50.487678][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.498163][ T10] Workqueue: netns cleanup_net [ 50.502919][ T10] Call Trace: [ 50.506370][ T10] dump_stack_lvl+0x57/0x7d [ 50.511119][ T10] panic+0x214/0x49f [ 50.515085][ T10] ? __warn_printk+0xee/0xee [ 50.520526][ T10] ? devlink_trap_policers_unregister+0x8b/0xa0 [ 50.527495][ T10] __warn.cold+0x2b/0x35 [ 50.532079][ T10] ? devlink_trap_policers_unregister+0x8b/0xa0 [ 50.538818][ T10] report_bug+0x15a/0x1b0 [ 50.543133][ T10] handle_bug+0x3c/0x60 [ 50.547268][ T10] exc_invalid_op+0x14/0x40 [ 50.551745][ T10] asm_exc_invalid_op+0x12/0x20 [ 50.556585][ T10] RIP: 0010:devlink_trap_policers_unregister+0x8b/0xa0 [ 50.563442][ T10] 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 f5 ff d5 01 <0f> 0b eb b6 e8 8c ad 10 fb eb 96 66 2e 0f 1f 84 00 00 00 00 00 41 [ 50.583354][ T10] RSP: 0018:ffffc90000cf7a18 EFLAGS: 00010202 [ 50.589493][ T10] RAX: 0000000000000001 RBX: 0000000000000003 RCX: ffffc90000cf78b8 [ 50.597442][ T10] RDX: 1ffff110021de4d2 RSI: ffffffff88cb4ce0 RDI: ffffffff89207120 [ 50.605391][ T10] RBP: ffffffff895eb580 R08: 0000000000000001 R09: 0000000000000000 [ 50.613608][ T10] R10: 0000000000000001 R11: 000000000007a089 R12: ffff88807e28d000 [ 50.621574][ T10] R13: ffff88807e28d000 R14: dffffc0000000000 R15: ffff88807e28d398 [ 50.629551][ T10] ? devlink_trap_policers_unregister+0x41/0xa0 [ 50.635776][ T10] nsim_dev_traps_exit+0x73/0x170 [ 50.640780][ T10] nsim_dev_reload_destroy+0x1d0/0x2b0 [ 50.646324][ T10] nsim_dev_reload_down+0xab/0x130 [ 50.651429][ T10] devlink_reload+0x1ae/0x5e0 [ 50.656266][ T10] ? devlink_remote_reload_actions_performed+0x30/0x30 [ 50.663184][ T10] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 50.668800][ T10] devlink_pernet_pre_exit+0x1cf/0x270 [ 50.674235][ T10] ? devlink_nl_cmd_reload+0xf80/0xf80 [ 50.679813][ T10] ? nf_tables_pre_exit_net+0xdb/0x3b0 [ 50.685280][ T10] cleanup_net+0x3a4/0x980 [ 50.689688][ T10] ? unregister_pernet_device+0x60/0x60 [ 50.695500][ T10] process_one_work+0x87f/0x1450 [ 50.700423][ T10] ? lock_release+0x720/0x720 [ 50.705082][ T10] ? pwq_dec_nr_in_flight+0x230/0x230 [ 50.710531][ T10] ? rwlock_bug.part.0+0x90/0x90 [ 50.715460][ T10] ? _raw_spin_lock_irq+0x41/0x50 [ 50.720464][ T10] worker_thread+0x598/0x1040 [ 50.725127][ T10] ? process_one_work+0x1450/0x1450 [ 50.730298][ T10] kthread+0x38b/0x460 [ 50.734343][ T10] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.739696][ T10] ? set_kthread_struct+0x100/0x100 [ 50.744959][ T10] ret_from_fork+0x1f/0x30 [ 50.749574][ T10] Kernel Offset: disabled [ 50.753982][ T10] Rebooting in 86400 seconds..