[ 53.967939][ T44] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.984257][ T44] device veth1_macvtap left promiscuous mode [ 53.991339][ T44] device veth0_macvtap left promiscuous mode [ 53.998429][ T44] device veth1_vlan left promiscuous mode [ 54.004898][ T44] device veth0_vlan left promiscuous mode [ 54.137850][ T44] team0 (unregistering): Port device team_slave_1 removed [ 54.152134][ T44] team0 (unregistering): Port device team_slave_0 removed [ 54.164715][ T44] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 54.185549][ T44] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 54.233772][ T44] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.15.206' (ECDSA) to the list of known hosts. [ 69.347414][ T4058] [ 69.349792][ T4058] ===================================== [ 69.356162][ T4058] WARNING: bad unlock balance detected! [ 69.362191][ T4058] 5.17.0-rc8-syzkaller #0 Not tainted [ 69.368070][ T4058] ------------------------------------- [ 69.374063][ T4058] syz-executor271/4058 is trying to release lock (&call->user_mutex) at: [ 69.383151][ T4058] [] rxrpc_do_sendmsg+0x859/0x1110 [ 69.390460][ T4058] but there are no more locks to release! [ 69.399719][ T4058] [ 69.399719][ T4058] other info that might help us debug this: [ 69.408389][ T4058] no locks held by syz-executor271/4058. [ 69.414094][ T4058] [ 69.414094][ T4058] stack backtrace: [ 69.420144][ T4058] CPU: 1 PID: 4058 Comm: syz-executor271 Not tainted 5.17.0-rc8-syzkaller #0 [ 69.429676][ T4058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.440311][ T4058] Call Trace: [ 69.443673][ T4058] [ 69.446687][ T4058] dump_stack_lvl+0x57/0x7d [ 69.451179][ T4058] lock_release.cold+0x49/0x4e [ 69.456117][ T4058] ? rxrpc_do_sendmsg+0x859/0x1110 [ 69.461582][ T4058] ? lock_downgrade+0x6e0/0x6e0 [ 69.466433][ T4058] ? trace_rxrpc_timer+0x1c0/0x1c0 [ 69.471556][ T4058] __mutex_unlock_slowpath+0x99/0x5e0 [ 69.486419][ T4058] ? wait_for_completion_io_timeout+0x20/0x20 [ 69.492762][ T4058] ? wake_up_q+0xf0/0xf0 [ 69.497003][ T4058] ? rxrpc_do_sendmsg+0xae3/0x1110 [ 69.502418][ T4058] ? rxrpc_do_sendmsg+0xae3/0x1110 [ 69.507524][ T4058] ? rxrpc_put_peer+0x77/0x380 [ 69.512428][ T4058] rxrpc_do_sendmsg+0x859/0x1110 [ 69.517365][ T4058] ? rxrpc_kernel_send_data+0x350/0x350 [ 69.522925][ T4058] ? rcu_read_lock_sched_held+0x3a/0x70 [ 69.528920][ T4058] ? rxrpc_lookup_local+0x8ef/0x10c0 [ 69.534293][ T4058] ? rxrpc_sendmsg+0x2ee/0x5d0 [ 69.539148][ T4058] ? rxrpc_sock_set_min_security_level+0xa0/0xa0 [ 69.545572][ T4058] sock_sendmsg+0xab/0xe0 [ 69.549911][ T4058] ____sys_sendmsg+0x5bf/0x7a0 [ 69.554762][ T4058] ? kernel_sendmsg+0x30/0x30 [ 69.559606][ T4058] ? do_recvmmsg+0x550/0x550 [ 69.564168][ T4058] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 69.570406][ T4058] ? do_huge_pmd_anonymous_page+0xb78/0x1fe0 [ 69.576358][ T4058] ___sys_sendmsg+0xd3/0x150 [ 69.581038][ T4058] ? sendmsg_copy_msghdr+0x110/0x110 [ 69.586486][ T4058] ? __fget_files+0x1bf/0x3c0 [ 69.591230][ T4058] ? lock_downgrade+0x6e0/0x6e0 [ 69.596495][ T4058] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 69.602738][ T4058] ? __fget_light+0xbe/0x220 [ 69.607317][ T4058] __sys_sendmsg+0xb2/0x140 [ 69.611911][ T4058] ? __sys_sendmsg_sock+0x10/0x10 [ 69.617114][ T4058] ? __context_tracking_enter+0x93/0xa0 [ 69.622917][ T4058] ? lockdep_hardirqs_on_prepare+0x17b/0x400 [ 69.629207][ T4058] ? syscall_enter_from_user_mode+0x21/0x70 [ 69.635655][ T4058] ? lockdep_hardirqs_on+0x79/0x100 [ 69.640942][ T4058] do_syscall_64+0x35/0xb0 [ 69.645387][ T4058] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.651535][ T4058] RIP: 0033:0x7fc7b3cbbde9 [ 69.656023][ T4058] 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 [ 69.676806][ T4058] RSP: 002b:00007fc7b3c6e318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.686251][ T4058] RAX: ffffffffffffffda RBX: 00007fc7b3d443e8 RCX: 00007fc7b3cbbde9 [ 69.696219][ T4058] RDX: 000