Warning: Permanently added '10.128.1.57' (ED25519) to the list of known hosts.
executing program
[   46.860796][ T4018] loop0: detected capacity change from 0 to 1024
[   46.953433][ T4018] 
[   46.953966][ T4018] ============================================
[   46.955437][ T4018] WARNING: possible recursive locking detected
[   46.956813][ T4018] 5.15.178-syzkaller #0 Not tainted
[   46.958053][ T4018] --------------------------------------------
[   46.959526][ T4018] syz-executor993/4018 is trying to acquire lock:
[   46.961015][ T4018] ffff0000d45d1548 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x2c4/0x1194
[   46.963906][ T4018] 
[   46.963906][ T4018] but task is already holding lock:
[   46.965818][ T4018] ffff0000d45d2988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x250/0xa2c
[   46.968639][ T4018] 
[   46.968639][ T4018] other info that might help us debug this:
[   46.970627][ T4018]  Possible unsafe locking scenario:
[   46.970627][ T4018] 
[   46.972532][ T4018]        CPU0
[   46.973336][ T4018]        ----
[   46.974119][ T4018]   lock(&HFSPLUS_I(inode)->extents_lock);
[   46.975566][ T4018]   lock(&HFSPLUS_I(inode)->extents_lock);
[   46.977091][ T4018] 
[   46.977091][ T4018]  *** DEADLOCK ***
[   46.977091][ T4018] 
[   46.979161][ T4018]  May be due to missing lock nesting notation
[   46.979161][ T4018] 
[   46.981313][ T4018] 6 locks held by syz-executor993/4018:
[   46.982730][ T4018]  #0: ffff0000c8638460 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c
[   46.985229][ T4018]  #1: ffff0000d45d1e00 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x830
[   46.987891][ T4018]  #2: ffff0000d45d2b80 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: vfs_unlink+0xd8/0x508
[   46.990524][ T4018]  #3: ffff0000c4ca7198 (&sbi->vh_mutex){+.+.}-{3:3}, at: hfsplus_unlink+0x144/0x6a0
[   46.993025][ T4018]  #4: ffff0000d45d2988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x250/0xa2c
[   46.995963][ T4018]  #5: ffff0000c4ca70f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_free+0xcc/0x514
[   46.998506][ T4018] 
[   46.998506][ T4018] stack backtrace:
[   46.999914][ T4018] CPU: 1 PID: 4018 Comm: syz-executor993 Not tainted 5.15.178-syzkaller #0
[   47.002097][ T4018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   47.004718][ T4018] Call trace:
[   47.005594][ T4018]  dump_backtrace+0x0/0x530
[   47.006762][ T4018]  show_stack+0x2c/0x3c
[   47.007895][ T4018]  dump_stack_lvl+0x108/0x170
[   47.009035][ T4018]  dump_stack+0x1c/0x58
[   47.010058][ T4018]  __lock_acquire+0x62bc/0x7638
[   47.011306][ T4018]  lock_acquire+0x240/0x77c
[   47.012478][ T4018]  __mutex_lock_common+0x194/0x2154
[   47.013864][ T4018]  mutex_lock_nested+0xa4/0xf8
[   47.015102][ T4018]  hfsplus_get_block+0x2c4/0x1194
[   47.016412][ T4018]  block_read_full_page+0x2a0/0xc4c
[   47.017752][ T4018]  hfsplus_readpage+0x28/0x38
[   47.018949][ T4018]  do_read_cache_page+0x60c/0x950
[   47.020245][ T4018]  read_cache_page+0x68/0x84
[   47.021425][ T4018]  hfsplus_block_free+0x120/0x514
[   47.022717][ T4018]  hfsplus_free_extents+0x148/0x8d4
[   47.024017][ T4018]  hfsplus_file_truncate+0x678/0xa2c
[   47.025345][ T4018]  hfsplus_delete_inode+0x154/0x200
[   47.026609][ T4018]  hfsplus_unlink+0x414/0x6a0
[   47.027808][ T4018]  vfs_unlink+0x2f0/0x508
[   47.028945][ T4018]  do_unlinkat+0x4cc/0x830
[   47.030120][ T4018]  __arm64_sys_unlinkat+0xcc/0xfc
[   47.031291][ T4018]  invoke_syscall+0x98/0x2b8
[   47.032442][ T4018]  el0_svc_common+0x138/0x258
[   47.033629][ T4018]  do_el0_svc+0x58/0x14c
[   47.034705][ T4018]  el0_svc+0x7c/0x1f0
[   47.035714][ T4018]  el0t_64_sync_handler+0x84/0xe4
[   47.036992][ T4018]  el0t_64_sync+0x1a0/0x1a4
[   47.039209][ T4018] hfsplus: unable to mark blocks free: error -5
[   47.040873][ T4018] hfsplus: can't free extent