[ 49.264058][ T118] device veth0_macvtap left promiscuous mode [ 49.271163][ T118] device veth1_vlan left promiscuous mode [ 49.277229][ T118] device veth0_vlan left promiscuous mode [ 52.464098][ T118] team0 (unregistering): Port device team_slave_1 removed [ 52.477539][ T118] team0 (unregistering): Port device team_slave_0 removed [ 52.492164][ T118] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 52.505562][ T118] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.548516][ T118] bond0 (unregistering): Released all slaves [ 54.213033][ T5440] can: request_module (can-proto-0) failed. [ 54.238519][ T5440] can: request_module (can-proto-0) failed. [ 71.866928][ T34] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.15.218' (ECDSA) to the list of known hosts. [ 73.552666][ T5896] [ 73.555271][ T5896] ===================================== [ 73.560880][ T5896] WARNING: bad unlock balance detected! [ 73.566428][ T5896] 5.11.0-syzkaller #0 Not tainted [ 73.571418][ T5896] ------------------------------------- [ 73.576929][ T5896] syz-executor112/5896 is trying to release lock (&call->user_mutex) at: [ 73.585684][ T5896] [] rxrpc_do_sendmsg+0x8b7/0x12c0 [ 73.592340][ T5896] but there are no more locks to release! [ 73.598031][ T5896] [ 73.598031][ T5896] other info that might help us debug this: [ 73.606067][ T5896] no locks held by syz-executor112/5896. [ 73.611693][ T5896] [ 73.611693][ T5896] stack backtrace: [ 73.617813][ T5896] CPU: 0 PID: 5896 Comm: syz-executor112 Not tainted 5.11.0-syzkaller #0 [ 73.626639][ T5896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.637209][ T5896] Call Trace: [ 73.640650][ T5896] dump_stack+0x9a/0xcc [ 73.645228][ T5896] lock_release.cold+0x49/0x4e [ 73.649975][ T5896] ? rxrpc_do_sendmsg+0x8b7/0x12c0 [ 73.655229][ T5896] ? lock_downgrade+0x6d0/0x6d0 [ 73.660575][ T5896] ? rxrpc_new_client_call+0x7ee/0x10a0 [ 73.666221][ T5896] __mutex_unlock_slowpath+0x81/0x610 [ 73.671779][ T5896] ? wait_for_completion_io+0x260/0x260 [ 73.677308][ T5896] ? rxrpc_do_sendmsg+0xb44/0x12c0 [ 73.682415][ T5896] ? rxrpc_do_sendmsg+0xb44/0x12c0 [ 73.687506][ T5896] ? rxrpc_put_peer+0x77/0x380 [ 73.692238][ T5896] rxrpc_do_sendmsg+0x8b7/0x12c0 [ 73.697236][ T5896] ? wait_for_completion_io+0x260/0x260 [ 73.702836][ T5896] ? rxrpc_kernel_send_data+0x350/0x350 [ 73.708351][ T5896] ? lockdep_hardirqs_on_prepare+0x17b/0x400 [ 73.714301][ T5896] ? __local_bh_enable_ip+0xa0/0x110 [ 73.719841][ T5896] ? rxrpc_lookup_local+0xe44/0x1860 [ 73.725362][ T5896] ? rxrpc_sendmsg+0x2ee/0x5d0 [ 73.730132][ T5896] ? rxrpc_sock_set_min_security_level+0xa0/0xa0 [ 73.736425][ T5896] sock_sendmsg+0xab/0xe0 [ 73.740747][ T5896] ____sys_sendmsg+0x5bf/0x7a0 [ 73.745560][ T5896] ? kernel_sendmsg+0x30/0x30 [ 73.750294][ T5896] ? do_recvmmsg+0x540/0x540 [ 73.755020][ T5896] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.760991][ T5896] ___sys_sendmsg+0xd3/0x150 [ 73.765636][ T5896] ? sendmsg_copy_msghdr+0x110/0x110 [ 73.771081][ T5896] ? find_held_lock+0x2d/0x110 [ 73.775826][ T5896] ? __fget_files+0x193/0x2b0 [ 73.780474][ T5896] ? lock_downgrade+0x6d0/0x6d0 [ 73.785571][ T5896] ? __fget_light+0xbe/0x220 [ 73.790310][ T5896] ? find_held_lock+0x2d/0x110 [ 73.795665][ T5896] __sys_sendmsg+0xb2/0x140 [ 73.800342][ T5896] ? __sys_sendmsg_sock+0xa0/0xa0 [ 73.805607][ T5896] ? lockdep_hardirqs_on_prepare+0x17b/0x400 [ 73.811628][ T5896] ? syscall_enter_from_user_mode+0x27/0x70 [ 73.817623][ T5896] ? lockdep_hardirqs_on+0x79/0x100 [ 73.823121][ T5896] do_syscall_64+0x2d/0x70 [ 73.827675][ T5896] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.833554][ T5896] RIP: 0033:0x7feaf1ec8de9 [ 73.838144][ T5896] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 14 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 [ 73.858031][ T5896] RSP: 002b:00007feaf1e7b318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.866442][ T5896] RAX: ffffffffffffffda RBX: 00007feaf1f513e8 RCX: 00007feaf1ec8de9 [ 73.874472][ T5896] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 73.882937][ T5896] RBP: 00007feaf1f513e0 R08: 000000000000224e R09: 0000000000000000 [ 73.890929][ T5896] R10: 0000000000000002 R11: 0000000000000246 R12: 000000d7860cdad7 [ 73.899143][ T5896] R13: 00007fffbe841fff R14: 00007feaf