[   15.360761][ T5643] 8021q: adding VLAN 0 to HW filter on device bond0
[   15.366789][ T5643] eql: remember to turn off Van-Jacobson compression on your slave devices
[   15.411107][   T40] gvnic 0000:00:00.0 enp0s0: Device link is up.
[   15.417800][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   36.685941][ T5974] 
[   36.686494][ T5974] ============================================
[   36.687759][ T5974] WARNING: possible recursive locking detected
[   36.689058][ T5974] 6.4.0-rc4-syzkaller-g908f31f2a05b #0 Not tainted
[   36.690463][ T5974] --------------------------------------------
[   36.691926][ T5974] syz-executor369/5974 is trying to acquire lock:
[   36.693443][ T5974] ffff0000ce324c68 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x108/0x19c8
[   36.695342][ T5974] 
[   36.695342][ T5974] but task is already holding lock:
[   36.696906][ T5974] ffff0000ce325068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_wait_readable+0x320/0x468
[   36.698970][ T5974] 
[   36.698970][ T5974] other info that might help us debug this:
[   36.700718][ T5974]  Possible unsafe locking scenario:
[   36.700718][ T5974] 
[   36.702245][ T5974]        CPU0
[   36.702988][ T5974]        ----
[   36.703702][ T5974]   lock(&pipe->mutex/1);
[   36.704629][ T5974]   lock(&pipe->mutex/1);
[   36.705534][ T5974] 
[   36.705534][ T5974]  *** DEADLOCK ***
[   36.705534][ T5974] 
[   36.707317][ T5974]  May be due to missing lock nesting notation
[   36.707317][ T5974] 
[   36.709065][ T5974] 1 lock held by syz-executor369/5974:
[   36.710277][ T5974]  #0: ffff0000ce325068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_wait_readable+0x320/0x468
[   36.712426][ T5974] 
[   36.712426][ T5974] stack backtrace:
[   36.713760][ T5974] CPU: 1 PID: 5974 Comm: syz-executor369 Not tainted 6.4.0-rc4-syzkaller-g908f31f2a05b #0
[   36.715782][ T5974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[   36.717913][ T5974] Call trace:
[   36.718607][ T5974]  dump_backtrace+0x1b8/0x1e4
[   36.719604][ T5974]  show_stack+0x2c/0x44
[   36.720499][ T5974]  dump_stack_lvl+0xd0/0x124
[   36.721500][ T5974]  dump_stack+0x1c/0x28
[   36.722437][ T5974]  __lock_acquire+0x62b8/0x7604
[   36.723600][ T5974]  lock_acquire+0x23c/0x71c
[   36.724575][ T5974]  __mutex_lock_common+0x190/0x21a0
[   36.725681][ T5974]  mutex_lock_nested+0x2c/0x38
[   36.726709][ T5974]  pipe_write+0x108/0x19c8
[   36.727697][ T5974]  do_iter_write+0x65c/0xa80
[   36.728680][ T5974]  vfs_iter_write+0x88/0xac
[   36.729674][ T5974]  iter_file_splice_write+0x610/0xc40
[   36.730875][ T5974]  do_splice+0x1040/0x1ba4
[   36.731884][ T5974]  __arm64_sys_splice+0x490/0x804
[   36.732993][ T5974]  invoke_syscall+0x98/0x2c0
[   36.733929][ T5974]  el0_svc_common+0x138/0x244
[   36.734880][ T5974]  do_el0_svc+0x64/0x198
[   36.735779][ T5974]  el0_svc+0x4c/0x160
[   36.736664][ T5974]  el0t_64_sync_handler+0x84/0xfc
[   36.737749][ T5974]  el0t_64_sync+0x190/0x194