Warning: Permanently added '10.128.1.183' (ED25519) to the list of known hosts.
executing program
syzkaller login: [   36.148127][ T4232] loop0: detected capacity change from 0 to 1024
[   36.180769][    T9] 
[   36.181467][    T9] ============================================
[   36.183205][    T9] WARNING: possible recursive locking detected
[   36.184918][    T9] 6.1.82-syzkaller #0 Not tainted
[   36.186305][    T9] --------------------------------------------
[   36.188018][    T9] kworker/u4:0/9 is trying to acquire lock:
[   36.189615][    T9] ffff0000d85f60b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfsplus_find_init+0x144/0x1bc
[   36.192348][    T9] 
[   36.192348][    T9] but task is already holding lock:
[   36.194327][    T9] ffff0000d85f60b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfsplus_find_init+0x144/0x1bc
[   36.196997][    T9] 
[   36.196997][    T9] other info that might help us debug this:
[   36.199141][    T9]  Possible unsafe locking scenario:
[   36.199141][    T9] 
[   36.201242][    T9]        CPU0
[   36.202162][    T9]        ----
[   36.203050][    T9]   lock(&tree->tree_lock/1);
[   36.204374][    T9]   lock(&tree->tree_lock/1);
[   36.205618][    T9] 
[   36.205618][    T9]  *** DEADLOCK ***
[   36.205618][    T9] 
[   36.207802][    T9]  May be due to missing lock nesting notation
[   36.207802][    T9] 
[   36.210152][    T9] 5 locks held by kworker/u4:0/9:
[   36.211510][    T9]  #0: ffff0000c2e4d938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x664/0x1404
[   36.214457][    T9]  #1: ffff800019e17c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404
[   36.217706][    T9]  #2: ffff0000d855a988 (&hip->extents_lock){+.+.}-{3:3}, at: hfsplus_ext_write_extent+0x8c/0x1d8
[   36.220688][    T9]  #3: ffff0000d85f60b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfsplus_find_init+0x144/0x1bc
[   36.223482][    T9]  #4: ffff0000d8558108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x198/0x14cc
[   36.226689][    T9] 
[   36.226689][    T9] stack backtrace:
[   36.228259][    T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.82-syzkaller #0
[   36.230449][    T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
[   36.233170][    T9] Workqueue: writeback wb_workfn (flush-7:0)
[   36.234829][    T9] Call trace:
[   36.235710][    T9]  dump_backtrace+0x1c8/0x1f4
[   36.237010][    T9]  show_stack+0x2c/0x3c
[   36.238150][    T9]  dump_stack_lvl+0x108/0x170
[   36.239449][    T9]  dump_stack+0x1c/0x58
[   36.240625][    T9]  __lock_acquire+0x6310/0x7680
[   36.242009][    T9]  lock_acquire+0x26c/0x7cc
[   36.243320][    T9]  __mutex_lock_common+0x190/0x21a0
[   36.244749][    T9]  mutex_lock_nested+0x38/0x44
[   36.246181][    T9]  hfsplus_find_init+0x144/0x1bc
[   36.247590][    T9]  hfsplus_file_extend+0x364/0x14cc
[   36.248987][    T9]  hfsplus_bmap_reserve+0xec/0x474
[   36.250405][    T9]  __hfsplus_ext_write_extent+0x1e8/0x4ac
[   36.251955][    T9]  hfsplus_ext_write_extent+0x158/0x1d8
[   36.253480][    T9]  hfsplus_write_inode+0x34/0x4dc
[   36.254810][    T9]  __writeback_single_inode+0x614/0x1770
[   36.256353][    T9]  writeback_sb_inodes+0x978/0x1718
[   36.257772][    T9]  wb_writeback+0x414/0x1130
[   36.258990][    T9]  wb_workfn+0x3a8/0x1034
[   36.260151][    T9]  process_one_work+0x7ac/0x1404
[   36.261507][    T9]  worker_thread+0x8e4/0xfec
[   36.262768][    T9]  kthread+0x250/0x2d8
[   36.263814][    T9]  ret_from_fork+0x10/0x20