Warning: Permanently added '10.128.0.187' (ED25519) to the list of known hosts.
executing program
[   35.074551][ T6095] 
[   35.075156][ T6095] ============================================
[   35.076739][ T6095] WARNING: possible recursive locking detected
[   35.078352][ T6095] 6.7.0-rc4-syzkaller-gd46efae31672 #0 Not tainted
[   35.079851][ T6095] --------------------------------------------
[   35.081412][ T6095] syz-executor115/6095 is trying to acquire lock:
[   35.083245][ T6095] ffff0000d3a49468 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x10c/0x18a0
[   35.085478][ T6095] 
[   35.085478][ T6095] but task is already holding lock:
[   35.087419][ T6095] ffff0000d3a49068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_lock+0x68/0x98
[   35.089664][ T6095] 
[   35.089664][ T6095] other info that might help us debug this:
[   35.091802][ T6095]  Possible unsafe locking scenario:
[   35.091802][ T6095] 
[   35.093805][ T6095]        CPU0
[   35.094653][ T6095]        ----
[   35.095525][ T6095]   lock(&pipe->mutex/1);
[   35.096666][ T6095]   lock(&pipe->mutex/1);
[   35.097872][ T6095] 
[   35.097872][ T6095]  *** DEADLOCK ***
[   35.097872][ T6095] 
[   35.100033][ T6095]  May be due to missing lock nesting notation
[   35.100033][ T6095] 
[   35.102217][ T6095] 1 lock held by syz-executor115/6095:
[   35.103654][ T6095]  #0: ffff0000d3a49068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_lock+0x68/0x98
[   35.106013][ T6095] 
[   35.106013][ T6095] stack backtrace:
[   35.107516][ T6095] CPU: 0 PID: 6095 Comm: syz-executor115 Not tainted 6.7.0-rc4-syzkaller-gd46efae31672 #0
[   35.110117][ T6095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[   35.112760][ T6095] Call trace:
[   35.113612][ T6095]  dump_backtrace+0x1b8/0x1e4
[   35.114915][ T6095]  show_stack+0x2c/0x44
[   35.115994][ T6095]  dump_stack_lvl+0xd0/0x124
[   35.117129][ T6095]  dump_stack+0x1c/0x28
[   35.118328][ T6095]  print_deadlock_bug+0x4e4/0x660
[   35.119643][ T6095]  __lock_acquire+0x5fe4/0x763c
[   35.120900][ T6095]  lock_acquire+0x23c/0x71c
[   35.122066][ T6095]  __mutex_lock_common+0x190/0x21a0
[   35.123476][ T6095]  mutex_lock_nested+0x2c/0x38
[   35.124840][ T6095]  pipe_write+0x10c/0x18a0
[   35.126039][ T6095]  do_iter_write+0x654/0xa78
[   35.127225][ T6095]  vfs_iter_write+0x88/0xac
[   35.128429][ T6095]  iter_file_splice_write+0x628/0xc58
[   35.129839][ T6095]  do_splice+0x1008/0x1cb8
[   35.131038][ T6095]  __arm64_sys_splice+0x490/0x804
[   35.132346][ T6095]  invoke_syscall+0x98/0x2b8
[   35.133561][ T6095]  el0_svc_common+0x130/0x23c
[   35.134835][ T6095]  do_el0_svc+0x48/0x58
[   35.135928][ T6095]  el0_svc+0x54/0x158
[   35.136985][ T6095]  el0t_64_sync_handler+0x84/0xfc
[   35.138308][ T6095]  el0t_64_sync+0x190/0x194