[ 46.420552][ T932] device veth0_macvtap left promiscuous mode [ 46.426767][ T932] device veth1_vlan left promiscuous mode [ 46.434947][ T932] device veth0_vlan left promiscuous mode [ 49.581723][ T932] team0 (unregistering): Port device team_slave_1 removed [ 49.594310][ T932] team0 (unregistering): Port device team_slave_0 removed [ 49.607159][ T932] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.623648][ T932] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.668062][ T932] bond0 (unregistering): Released all slaves [ 51.189503][ T5412] can: request_module (can-proto-0) failed. [ 51.206492][ T5412] can: request_module (can-proto-0) failed. [ 71.236562][ T5] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.10.29' (ECDSA) to the list of known hosts. [ 72.685856][ T5871] IPVS: ftp: loaded support on port[0] = 21 [ 72.729992][ T932] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.738155][ T932] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.754850][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 72.767008][ T932] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.775772][ T932] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.784546][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 72.910906][ C0] [ 72.913363][ C0] ================================ [ 72.918619][ C0] WARNING: inconsistent lock state [ 72.923708][ C0] 5.12.0-syzkaller #0 Not tainted [ 72.928710][ C0] -------------------------------- [ 72.933913][ C0] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 72.940735][ C0] syz-executor874/5875 [HC1[1]:SC0[0]:HE0:SE1] takes: [ 72.947703][ C0] ffffffff8b244298 (sync_timeline_list_lock){?.+.}-{2:2}, at: sync_timeline_debug_remove+0x19/0x180 [ 72.958577][ C0] {HARDIRQ-ON-W} state was registered at: [ 72.964266][ C0] lockdep_hardirqs_on_prepare+0x135/0x400 [ 72.970131][ C0] trace_hardirqs_on+0x1c/0x140 [ 72.975134][ C0] _raw_spin_unlock_irq+0x1f/0x40 [ 72.980237][ C0] sync_info_debugfs_show+0xd4/0x1d0 [ 72.985581][ C0] seq_read_iter+0x3fe/0x1000 [ 72.990316][ C0] seq_read+0x311/0x4e0 [ 72.994529][ C0] vfs_read+0x121/0x470 [ 72.998747][ C0] ksys_read+0xf4/0x1d0 [ 73.002956][ C0] do_syscall_64+0x2d/0x70 [ 73.007518][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.013495][ C0] irq event stamp: 5790 [ 73.017626][ C0] hardirqs last enabled at (5789): [] _raw_spin_unlock_irq+0x1f/0x40 [ 73.027317][ C0] hardirqs last disabled at (5790): [] sysvec_irq_work+0xb/0xc0 [ 73.036490][ C0] softirqs last enabled at (5638): [] __tun_set_ebpf+0xbc/0x160 [ 73.045754][ C0] softirqs last disabled at (5636): [] __tun_set_ebpf+0x8b/0x160 [ 73.055023][ C0] [ 73.055023][ C0] other info that might help us debug this: [ 73.063083][ C0] Possible unsafe locking scenario: [ 73.063083][ C0] [ 73.070513][ C0] CPU0 [ 73.073931][ C0] ---- [ 73.077214][ C0] lock(sync_timeline_list_lock); [ 73.082331][ C0] [ 73.085776][ C0] lock(sync_timeline_list_lock); [ 73.091132][ C0] [ 73.091132][ C0] *** DEADLOCK *** [ 73.091132][ C0] [ 73.099758][ C0] no locks held by syz-executor874/5875. [ 73.105364][ C0] [ 73.105364][ C0] stack backtrace: [ 73.111218][ C0] CPU: 0 PID: 5875 Comm: syz-executor874 Not tainted 5.12.0-syzkaller #0 [ 73.119764][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.129880][ C0] Call Trace: [ 73.133145][ C0] [ 73.135972][ C0] dump_stack+0xa5/0xe6 [ 73.140227][ C0] mark_lock.cold+0x88/0x92 [ 73.144715][ C0] ? lock_chain_count+0x20/0x20 [ 73.149538][ C0] ? stack_depot_save+0x239/0x4e0 [ 73.154550][ C0] ? lock_chain_count+0x20/0x20 [ 73.159492][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 73.164681][ C0] __lock_acquire+0x1426/0x57d0 [ 73.169511][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.175637][ C0] ? _raw_spin_unlock_irq+0x25/0x40 [ 73.180804][ C0] ? sw_sync_debugfs_release+0x134/0x1e0 [ 73.186406][ C0] ? __fput+0x209/0x870 [ 73.190531][ C0] ? task_work_run+0xc0/0x160 [ 73.195184][ C0] lock_acquire+0x1ab/0x740 [ 73.199654][ C0] ? sync_timeline_debug_remove+0x19/0x180 [ 73.205439][ C0] ? lock_release+0x720/0x720 [ 73.210107][ C0] ? timeline_fence_release+0x1b6/0x2c0 [ 73.215640][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 73.220481][ C0] _raw_spin_lock_irqsave+0x39/0x50 [ 73.225657][ C0] ? sync_timeline_debug_remove+0x19/0x180 [ 73.231640][ C0] sync_timeline_debug_remove+0x19/0x180 [ 73.237561][ C0] timeline_fence_release+0x1f6/0x2c0 [ 73.243105][ C0] dma_fence_array_release+0x166/0x230 [ 73.248549][ C0] irq_work_single+0x106/0x1c0 [ 73.253288][ C0] irq_work_run_list+0x6a/0x90 [ 73.258034][ C0] irq_work_run+0x4f/0xd0 [ 73.262361][ C0] __sysvec_irq_work+0x95/0x3d0 [ 73.267191][ C0] sysvec_irq_work+0x8e/0xc0 [ 73.271760][ C0] [ 73.274753][ C0] asm_sysvec_irq_work+0x12/0x20 [ 73.279669][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 73.285461][ C0] Code: 0f 1f 44 00 00 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 2e d3 14 f9 48 89 ef e8 66 89 15 f9 e8 21 ec 30 f9 fb bf 01 00 00 00 e6 5a 09 f9 65 8b 05 2f 26 c5 77 85 c0 74 02 5d c3 e8 4b 72 c3 [ 73.305380][ C0] RSP: 0018:ffffc90001a4fe38 EFLAGS: 00000202 [ 73.311430][ C0] RAX: 000000000000169d RBX: ffff888012366c00 RCX: 1ffffffff1869ef9 [ 73.319609][ C0] RDX: 0000000000000000 RSI: ffffffff888ae7c0 RDI: 0000000000000001 [ 73.327785][ C0] RBP: ffff888012366c50 R08: 0000000000000001 R09: 0000000000000001 [ 73.335892][ C0] R10: ffffed100246cd8a R11: 0000000000000001 R12: dffffc0000000000 [ 73.343945][ C0] R13: ffff888012366c00 R14: ffff888012366c50 R15: ffff88802a1a8830 [ 73.352387][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 73.357583][ C0] sw_sync_debugfs_release+0x134/0x1e0 [ 73.363024][ C0] __fput+0x209/0x870 [ 73.367142][ C0] task_work_run+0xc0/0x160 [ 73.371620][ C0] exit_to_user_mode_prepare+0x249/0x250 [ 73.377234][ C0] syscall_exit_to_user_mode+0x19/0x60 [ 73.382666][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.388530][ C0] RIP: 0033:0x7f6d237e67d9 [ 73.393393][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48