Warning: Permanently added '10.128.1.177' (ED25519) to the list of known hosts.
executing program
[   41.678696][ T3965] loop0: detected capacity change from 0 to 1024
[   41.835789][ T3965] 
[   41.836422][ T3965] ============================================
[   41.838060][ T3965] WARNING: possible recursive locking detected
[   41.839526][ T3965] 5.15.156-syzkaller #0 Not tainted
[   41.840803][ T3965] --------------------------------------------
[   41.842454][ T3965] syz-executor198/3965 is trying to acquire lock:
[   41.844229][ T3965] ffff0000c90f1548 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x2c4/0x1194
[   41.847332][ T3965] 
[   41.847332][ T3965] but task is already holding lock:
[   41.849383][ T3965] ffff0000c90f2988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x254/0x9cc
[   41.852288][ T3965] 
[   41.852288][ T3965] other info that might help us debug this:
[   41.854520][ T3965]  Possible unsafe locking scenario:
[   41.854520][ T3965] 
[   41.856547][ T3965]        CPU0
[   41.857462][ T3965]        ----
[   41.858380][ T3965]   lock(&HFSPLUS_I(inode)->extents_lock);
[   41.859914][ T3965]   lock(&HFSPLUS_I(inode)->extents_lock);
[   41.861536][ T3965] 
[   41.861536][ T3965]  *** DEADLOCK ***
[   41.861536][ T3965] 
[   41.863695][ T3965]  May be due to missing lock nesting notation
[   41.863695][ T3965] 
[   41.865908][ T3965] 4 locks held by syz-executor198/3965:
[   41.867512][ T3965]  #0: ffff0000c98bc460 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c
[   41.869988][ T3965]  #1: ffff0000c90f2b80 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: do_truncate+0x1ac/0x28c
[   41.872672][ T3965]  #2: ffff0000c90f2988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x254/0x9cc
[   41.875753][ T3965]  #3: ffff0000c97de8f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_free+0xcc/0x514
[   41.878448][ T3965] 
[   41.878448][ T3965] stack backtrace:
[   41.880043][ T3965] CPU: 1 PID: 3965 Comm: syz-executor198 Not tainted 5.15.156-syzkaller #0
[   41.882374][ T3965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[   41.885168][ T3965] Call trace:
[   41.886123][ T3965]  dump_backtrace+0x0/0x530
[   41.887283][ T3965]  show_stack+0x2c/0x3c
[   41.888386][ T3965]  dump_stack_lvl+0x108/0x170
[   41.889660][ T3965]  dump_stack+0x1c/0x58
[   41.890759][ T3965]  __lock_acquire+0x62bc/0x7638
[   41.892015][ T3965]  lock_acquire+0x240/0x77c
[   41.893230][ T3965]  __mutex_lock_common+0x194/0x2154
[   41.894632][ T3965]  mutex_lock_nested+0xa4/0xf8
[   41.895891][ T3965]  hfsplus_get_block+0x2c4/0x1194
[   41.897218][ T3965]  block_read_full_page+0x2a0/0xc4c
[   41.898631][ T3965]  hfsplus_readpage+0x28/0x38
[   41.899872][ T3965]  do_read_cache_page+0x60c/0x950
[   41.901201][ T3965]  read_cache_page+0x68/0x84
[   41.902378][ T3965]  hfsplus_block_free+0x120/0x514
[   41.903732][ T3965]  hfsplus_free_extents+0x148/0x8d4
[   41.905091][ T3965]  hfsplus_file_truncate+0x69c/0x9cc
[   41.906521][ T3965]  hfsplus_setattr+0x18c/0x25c
[   41.907848][ T3965]  notify_change+0xa34/0xcf8
[   41.909096][ T3965]  do_truncate+0x1c0/0x28c
[   41.910222][ T3965]  vfs_truncate+0x2e0/0x388
[   41.911426][ T3965]  do_sys_truncate+0xec/0x1b4
[   41.912608][ T3965]  __arm64_sys_truncate+0x5c/0x70
[   41.913903][ T3965]  invoke_syscall+0x98/0x2b8
[   41.915155][ T3965]  el0_svc_common+0x138/0x258
[   41.916443][ T3965]  do_el0_svc+0x58/0x14c
[   41.917540][ T3965]  el0_svc+0x7c/0x1f0
[   41.918636][ T3965]  el0t_64_sync_handler+0x84/0xe4
[   41.920052][ T3965]  el0t_64_sync+0x1a0/0x1a4
[   41.921402][ T3965] hfsplus: request for non-existent node 16777216 in B*Tree
[   41.923394][ T3965] hfsplus: request for non-existent node 16777216 in B*Tree
[   41.925544][ T3965] hfsplus: unable to mark blocks free: error -5
[   41.927082][ T3965] hfsplus: can't free extent