Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts.
executing program
[   42.697753][ T3962] 
[   42.698295][ T3962] ============================================
[   42.699694][ T3962] WARNING: possible recursive locking detected
[   42.701101][ T3962] 5.15.113-syzkaller #0 Not tainted
[   42.702323][ T3962] --------------------------------------------
[   42.703765][ T3962] syz-executor195/3962 is trying to acquire lock:
[   42.705177][ T3962] ffff0000d60fb068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x10c/0x1a4c
[   42.707249][ T3962] 
[   42.707249][ T3962] but task is already holding lock:
[   42.708978][ T3962] ffff0000d60fac68 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_wait_readable+0x324/0x46c
[   42.711152][ T3962] 
[   42.711152][ T3962] other info that might help us debug this:
[   42.713053][ T3962]  Possible unsafe locking scenario:
[   42.713053][ T3962] 
[   42.714769][ T3962]        CPU0
[   42.715490][ T3962]        ----
[   42.716314][ T3962]   lock(&pipe->mutex/1);
[   42.717388][ T3962]   lock(&pipe->mutex/1);
[   42.718361][ T3962] 
[   42.718361][ T3962]  *** DEADLOCK ***
[   42.718361][ T3962] 
[   42.720343][ T3962]  May be due to missing lock nesting notation
[   42.720343][ T3962] 
[   42.722256][ T3962] 1 lock held by syz-executor195/3962:
[   42.723533][ T3962]  #0: ffff0000d60fac68 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_wait_readable+0x324/0x46c
[   42.725878][ T3962] 
[   42.725878][ T3962] stack backtrace:
[   42.727184][ T3962] CPU: 0 PID: 3962 Comm: syz-executor195 Not tainted 5.15.113-syzkaller #0
[   42.729074][ T3962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[   42.731411][ T3962] Call trace:
[   42.732116][ T3962]  dump_backtrace+0x0/0x530
[   42.733142][ T3962]  show_stack+0x2c/0x3c
[   42.734077][ T3962]  dump_stack_lvl+0x108/0x170
[   42.735231][ T3962]  dump_stack+0x1c/0x58
[   42.736292][ T3962]  __lock_acquire+0x62b4/0x7620
[   42.737446][ T3962]  lock_acquire+0x240/0x77c
[   42.738470][ T3962]  __mutex_lock_common+0x194/0x2154
[   42.739676][ T3962]  mutex_lock_nested+0xa4/0xf8
[   42.740850][ T3962]  pipe_write+0x10c/0x1a4c
[   42.741925][ T3962]  do_iter_readv_writev+0x420/0x5f8
[   42.743203][ T3962]  do_iter_write+0x1b8/0x664
[   42.744276][ T3962]  vfs_iter_write+0x88/0xac
[   42.745334][ T3962]  iter_file_splice_write+0x618/0xc48
[   42.746625][ T3962]  do_splice+0x11b4/0x1a0c
[   42.747679][ T3962]  __arm64_sys_splice+0x564/0x8b0
[   42.748898][ T3962]  invoke_syscall+0x98/0x2b8
[   42.749981][ T3962]  el0_svc_common+0x138/0x258
[   42.751063][ T3962]  do_el0_svc+0x58/0x14c
[   42.752086][ T3962]  el0_svc+0x7c/0x1f0
[   42.753082][ T3962]  el0t_64_sync_handler+0x84/0xe4
[   42.754261][ T3962]  el0t_64_sync+0x1a0/0x1a4