Warning: Permanently added '10.128.0.201' (ED25519) to the list of known hosts.
executing program
[   43.222174][ T4017] loop0: detected capacity change from 0 to 1024
[   43.337229][ T4017] 
[   43.337915][ T4017] ============================================
[   43.339596][ T4017] WARNING: possible recursive locking detected
[   43.341192][ T4017] 5.15.178-syzkaller #0 Not tainted
[   43.342545][ T4017] --------------------------------------------
[   43.344174][ T4017] syz-executor250/4017 is trying to acquire lock:
[   43.345833][ T4017] ffff0000c95e9548 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x2c4/0x1194
[   43.348754][ T4017] 
[   43.348754][ T4017] but task is already holding lock:
[   43.350695][ T4017] ffff0000c95ea988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x250/0xa2c
[   43.353727][ T4017] 
[   43.353727][ T4017] other info that might help us debug this:
[   43.355871][ T4017]  Possible unsafe locking scenario:
[   43.355871][ T4017] 
[   43.357870][ T4017]        CPU0
[   43.358733][ T4017]        ----
[   43.359611][ T4017]   lock(&HFSPLUS_I(inode)->extents_lock);
[   43.361179][ T4017]   lock(&HFSPLUS_I(inode)->extents_lock);
[   43.362684][ T4017] 
[   43.362684][ T4017]  *** DEADLOCK ***
[   43.362684][ T4017] 
[   43.364795][ T4017]  May be due to missing lock nesting notation
[   43.364795][ T4017] 
[   43.366978][ T4017] 6 locks held by syz-executor250/4017:
[   43.368421][ T4017]  #0: ffff0000cc9c6460 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c
[   43.370864][ T4017]  #1: ffff0000c95e9e00 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x830
[   43.373567][ T4017]  #2: ffff0000c95eab80 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: vfs_unlink+0xd8/0x508
[   43.376232][ T4017]  #3: ffff0000d7efe998 (&sbi->vh_mutex){+.+.}-{3:3}, at: hfsplus_unlink+0x144/0x6a0
[   43.378756][ T4017]  #4: ffff0000c95ea988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x250/0xa2c
[   43.381905][ T4017]  #5: ffff0000d7efe8f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_free+0xcc/0x514
[   43.384547][ T4017] 
[   43.384547][ T4017] stack backtrace:
[   43.386076][ T4017] CPU: 0 PID: 4017 Comm: syz-executor250 Not tainted 5.15.178-syzkaller #0
[   43.388406][ T4017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   43.391094][ T4017] Call trace:
[   43.391943][ T4017]  dump_backtrace+0x0/0x530
[   43.393145][ T4017]  show_stack+0x2c/0x3c
[   43.394225][ T4017]  dump_stack_lvl+0x108/0x170
[   43.395509][ T4017]  dump_stack+0x1c/0x58
[   43.396595][ T4017]  __lock_acquire+0x62bc/0x7638
[   43.397887][ T4017]  lock_acquire+0x240/0x77c
[   43.399066][ T4017]  __mutex_lock_common+0x194/0x2154
[   43.400466][ T4017]  mutex_lock_nested+0xa4/0xf8
[   43.401709][ T4017]  hfsplus_get_block+0x2c4/0x1194
[   43.403060][ T4017]  block_read_full_page+0x2a0/0xc4c
[   43.404463][ T4017]  hfsplus_readpage+0x28/0x38
[   43.405798][ T4017]  do_read_cache_page+0x60c/0x950
[   43.407121][ T4017]  read_cache_page+0x68/0x84
[   43.408361][ T4017]  hfsplus_block_free+0x120/0x514
[   43.409686][ T4017]  hfsplus_free_extents+0x148/0x8d4
[   43.411055][ T4017]  hfsplus_file_truncate+0x678/0xa2c
[   43.412499][ T4017]  hfsplus_delete_inode+0x154/0x200
[   43.413917][ T4017]  hfsplus_unlink+0x414/0x6a0
[   43.415155][ T4017]  vfs_unlink+0x2f0/0x508
[   43.416320][ T4017]  do_unlinkat+0x4cc/0x830
[   43.417452][ T4017]  __arm64_sys_unlinkat+0xcc/0xfc
[   43.418802][ T4017]  invoke_syscall+0x98/0x2b8
[   43.420092][ T4017]  el0_svc_common+0x138/0x258
[   43.421423][ T4017]  do_el0_svc+0x58/0x14c
[   43.422537][ T4017]  el0_svc+0x7c/0x1f0
[   43.423649][ T4017]  el0t_64_sync_handler+0x84/0xe4
[   43.424971][ T4017]  el0t_64_sync+0x1a0/0x1a4
[   43.426642][ T4017] hfsplus: unable to mark blocks free: error -5
[   43.428301][ T4017] hfsplus: can't free extent