Warning: Permanently added '10.128.0.8' (ED25519) to the list of known hosts.
executing program
[   42.743635][ T3965] loop0: detected capacity change from 0 to 1024
[   42.861622][  T136] 
[   42.862312][  T136] ============================================
[   42.863855][  T136] WARNING: possible recursive locking detected
[   42.865372][  T136] 5.15.158-syzkaller #0 Not tainted
[   42.866716][  T136] --------------------------------------------
[   42.868304][  T136] kworker/u4:1/136 is trying to acquire lock:
[   42.869879][  T136] ffff0000c84c80b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfsplus_find_init+0x144/0x1bc
[   42.872374][  T136] 
[   42.872374][  T136] but task is already holding lock:
[   42.874284][  T136] ffff0000c84c80b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfsplus_find_init+0x144/0x1bc
[   42.876884][  T136] 
[   42.876884][  T136] other info that might help us debug this:
[   42.879010][  T136]  Possible unsafe locking scenario:
[   42.879010][  T136] 
[   42.880975][  T136]        CPU0
[   42.881845][  T136]        ----
[   42.882702][  T136]   lock(&tree->tree_lock/1);
[   42.883921][  T136]   lock(&tree->tree_lock/1);
[   42.885156][  T136] 
[   42.885156][  T136]  *** DEADLOCK ***
[   42.885156][  T136] 
[   42.887270][  T136]  May be due to missing lock nesting notation
[   42.887270][  T136] 
[   42.889495][  T136] 5 locks held by kworker/u4:1/136:
[   42.890875][  T136]  #0: ffff0000c21c8138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8
[   42.893675][  T136]  #1: ffff80001a357c00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8
[   42.896802][  T136]  #2: ffff0000c7c9a988 (&hip->extents_lock){+.+.}-{3:3}, at: hfsplus_ext_write_extent+0x8c/0x1d8
[   42.899646][  T136]  #3: ffff0000c84c80b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfsplus_find_init+0x144/0x1bc
[   42.902404][  T136]  #4: ffff0000c7c98108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x198/0x14e0
[   42.905411][  T136] 
[   42.905411][  T136] stack backtrace:
[   42.906971][  T136] CPU: 1 PID: 136 Comm: kworker/u4:1 Not tainted 5.15.158-syzkaller #0
[   42.909159][  T136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[   42.911881][  T136] Workqueue: writeback wb_workfn (flush-7:0)
[   42.913552][  T136] Call trace:
[   42.914428][  T136]  dump_backtrace+0x0/0x530
[   42.915653][  T136]  show_stack+0x2c/0x3c
[   42.916835][  T136]  dump_stack_lvl+0x108/0x170
[   42.918087][  T136]  dump_stack+0x1c/0x58
[   42.919225][  T136]  __lock_acquire+0x62bc/0x7638
[   42.920559][  T136]  lock_acquire+0x240/0x77c
[   42.921740][  T136]  __mutex_lock_common+0x194/0x2154
[   42.923124][  T136]  mutex_lock_nested+0xa4/0xf8
[   42.924443][  T136]  hfsplus_find_init+0x144/0x1bc
[   42.925730][  T136]  hfsplus_file_extend+0x364/0x14e0
[   42.927151][  T136]  hfsplus_bmap_reserve+0xec/0x474
[   42.928548][  T136]  __hfsplus_ext_write_extent+0x1e8/0x4bc
[   42.930085][  T136]  hfsplus_ext_write_extent+0x158/0x1d8
[   42.931516][  T136]  hfsplus_write_inode+0x34/0x4ec
[   42.932836][  T136]  __writeback_single_inode+0x584/0x13a4
[   42.934286][  T136]  writeback_sb_inodes+0x94c/0x1654
[   42.935641][  T136]  wb_writeback+0x3fc/0xfc8
[   42.936840][  T136]  wb_workfn+0x3a4/0x1070
[   42.937977][  T136]  process_one_work+0x790/0x11b8
[   42.939302][  T136]  worker_thread+0x910/0x1034
[   42.940574][  T136]  kthread+0x37c/0x45c
[   42.941634][  T136]  ret_from_fork+0x10/0x20