DUID 00:04:dc:6c:a8:75:19:b8:f7:30:df:f1:e8:1e:24:9d:66:1e
forked to background, child pid 3176
[   26.243385][ T3177] 8021q: adding VLAN 0 to HW filter on device bond0
[   26.256489][ T3177] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.213' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   48.606670][ T3593] 
[   48.609011][ T3593] ============================================
[   48.615134][ T3593] WARNING: possible recursive locking detected
[   48.621260][ T3593] 5.17.0-rc8-syzkaller-00003-g56e337f2cf13 #0 Not tainted
[   48.628339][ T3593] --------------------------------------------
[   48.634463][ T3593] syz-executor190/3593 is trying to acquire lock:
[   48.640847][ T3593] ffff888078020868 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x132/0x1c00
[   48.649628][ T3593] 
[   48.649628][ T3593] but task is already holding lock:
[   48.656986][ T3593] ffff888078020468 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_wait_readable+0x39b/0x420
[   48.666359][ T3593] 
[   48.666359][ T3593] other info that might help us debug this:
[   48.674397][ T3593]  Possible unsafe locking scenario:
[   48.674397][ T3593] 
[   48.681822][ T3593]        CPU0
[   48.685077][ T3593]        ----
[   48.688343][ T3593]   lock(&pipe->mutex/1);
[   48.692652][ T3593]   lock(&pipe->mutex/1);
[   48.696964][ T3593] 
[   48.696964][ T3593]  *** DEADLOCK ***
[   48.696964][ T3593] 
[   48.705083][ T3593]  May be due to missing lock nesting notation
[   48.705083][ T3593] 
[   48.713384][ T3593] 1 lock held by syz-executor190/3593:
[   48.718822][ T3593]  #0: ffff888078020468 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_wait_readable+0x39b/0x420
[   48.728637][ T3593] 
[   48.728637][ T3593] stack backtrace:
[   48.734497][ T3593] CPU: 1 PID: 3593 Comm: syz-executor190 Not tainted 5.17.0-rc8-syzkaller-00003-g56e337f2cf13 #0
[   48.744974][ T3593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   48.755004][ T3593] Call Trace:
[   48.758265][ T3593]  <TASK>
[   48.761175][ T3593]  dump_stack_lvl+0xcd/0x134
[   48.765763][ T3593]  __lock_acquire.cold+0x213/0x3a9
[   48.770858][ T3593]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[   48.776822][ T3593]  lock_acquire+0x1ab/0x510
[   48.781306][ T3593]  ? pipe_write+0x132/0x1c00
[   48.785875][ T3593]  ? lock_release+0x720/0x720
[   48.790543][ T3593]  __mutex_lock+0x12f/0x12f0
[   48.795122][ T3593]  ? pipe_write+0x132/0x1c00
[   48.799691][ T3593]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[   48.805653][ T3593]  ? pipe_write+0x132/0x1c00
[   48.810246][ T3593]  ? mutex_lock_io_nested+0x1150/0x1150
[   48.815774][ T3593]  ? find_held_lock+0x2d/0x110
[   48.820517][ T3593]  ? aa_file_perm+0x56b/0x1230
[   48.825263][ T3593]  ? lock_downgrade+0x6e0/0x6e0
[   48.830954][ T3593]  pipe_write+0x132/0x1c00
[   48.835354][ T3593]  ? aa_file_perm+0x595/0x1230
[   48.840110][ T3593]  ? generic_pipe_buf_release+0x240/0x240
[   48.845809][ T3593]  ? aa_path_link+0x2f0/0x2f0
[   48.850465][ T3593]  ? mutex_lock_io_nested+0x1150/0x1150
[   48.855989][ T3593]  ? pipe_wait_readable+0x336/0x420
[   48.861165][ T3593]  ? lock_downgrade+0x6e0/0x6e0
[   48.865998][ T3593]  do_iter_readv_writev+0x47a/0x750
[   48.871176][ T3593]  ? new_sync_write+0x660/0x660
[   48.876008][ T3593]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   48.882229][ T3593]  ? security_file_permission+0xab/0xd0
[   48.887753][ T3593]  do_iter_write+0x188/0x710
[   48.892326][ T3593]  vfs_iter_write+0x70/0xa0
[   48.896807][ T3593]  iter_file_splice_write+0x723/0xc70
[   48.902160][ T3593]  ? generic_splice_sendpage+0x140/0x140
[   48.907899][ T3593]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   48.914133][ T3593]  ? security_file_permission+0xab/0xd0
[   48.919657][ T3593]  ? generic_splice_sendpage+0x140/0x140
[   48.925272][ T3593]  do_splice+0xb7e/0x1960
[   48.929581][ T3593]  ? find_held_lock+0x2d/0x110
[   48.934326][ T3593]  ? __fget_files+0x26a/0x470
[   48.938995][ T3593]  ? splice_file_to_pipe+0x120/0x120
[   48.944257][ T3593]  ? find_held_lock+0x2d/0x110
[   48.949002][ T3593]  __do_splice+0x134/0x250
[   48.953397][ T3593]  ? do_splice+0x1960/0x1960
[   48.957970][ T3593]  __x64_sys_splice+0x198/0x250
[   48.962801][ T3593]  do_syscall_64+0x35/0xb0
[   48.967196][ T3593]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   48.973078][ T3593] RIP: 0033:0x7fb9ac14bca9
[   48.977469][ T3593] 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
[   48.997141][ T3593] RSP: 002b:00007fb9ac0fe308 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
[   49.005530][ T3593] RAX: fffffff