Warning: Permanently added '10.128.0.100' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   36.950074][ T4214] loop0: detected capacity change from 0 to 1024
[   36.962239][ T4214] 
[   36.962721][ T4214] ============================================
[   36.963937][ T4214] WARNING: possible recursive locking detected
[   36.965216][ T4214] 6.1.28-syzkaller #0 Not tainted
[   36.966243][ T4214] --------------------------------------------
[   36.967586][ T4214] syz-executor375/4214 is trying to acquire lock:
[   36.968876][ T4214] ffff0000d8119548 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x2c4/0x1168
[   36.971143][ T4214] 
[   36.971143][ T4214] but task is already holding lock:
[   36.972603][ T4214] ffff0000d811a988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x198/0x14cc
[   36.974993][ T4214] 
[   36.974993][ T4214] other info that might help us debug this:
[   36.976726][ T4214]  Possible unsafe locking scenario:
[   36.976726][ T4214] 
[   36.978280][ T4214]        CPU0
[   36.978963][ T4214]        ----
[   36.979631][ T4214]   lock(&HFSPLUS_I(inode)->extents_lock);
[   36.980896][ T4214]   lock(&HFSPLUS_I(inode)->extents_lock);
[   36.982026][ T4214] 
[   36.982026][ T4214]  *** DEADLOCK ***
[   36.982026][ T4214] 
[   36.983671][ T4214]  May be due to missing lock nesting notation
[   36.983671][ T4214] 
[   36.985380][ T4214] 4 locks held by syz-executor375/4214:
[   36.986518][ T4214]  #0: ffff0000d7ea0460 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x244/0x914
[   36.988437][ T4214]  #1: ffff0000d811ab80 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: generic_file_write_iter+0x88/0x2b4
[   36.990793][ T4214]  #2: ffff0000d811a988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x198/0x14cc
[   36.993306][ T4214]  #3: ffff0000d81128f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_allocate+0x90/0x818
[   36.995463][ T4214] 
[   36.995463][ T4214] stack backtrace:
[   36.996693][ T4214] CPU: 0 PID: 4214 Comm: syz-executor375 Not tainted 6.1.28-syzkaller #0
[   36.998431][ T4214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
[   37.000543][ T4214] Call trace:
[   37.001199][ T4214]  dump_backtrace+0x1c8/0x1f4
[   37.002137][ T4214]  show_stack+0x2c/0x3c
[   37.002938][ T4214]  dump_stack_lvl+0x108/0x170
[   37.003994][ T4214]  dump_stack+0x1c/0x5c
[   37.004896][ T4214]  __lock_acquire+0x6310/0x764c
[   37.005930][ T4214]  lock_acquire+0x26c/0x7cc
[   37.006936][ T4214]  __mutex_lock_common+0x190/0x21a0
[   37.008024][ T4214]  mutex_lock_nested+0x38/0x44
[   37.009058][ T4214]  hfsplus_get_block+0x2c4/0x1168
[   37.010129][ T4214]  block_read_full_folio+0x2f4/0x98c
[   37.011300][ T4214]  hfsplus_read_folio+0x28/0x38
[   37.012328][ T4214]  filemap_read_folio+0x14c/0x39c
[   37.013374][ T4214]  do_read_cache_folio+0x24c/0x544
[   37.014473][ T4214]  read_cache_page+0x6c/0x180
[   37.015448][ T4214]  hfsplus_block_allocate+0xe0/0x818
[   37.016568][ T4214]  hfsplus_file_extend+0x770/0x14cc
[   37.017632][ T4214]  hfsplus_get_block+0x398/0x1168
[   37.018704][ T4214]  __block_write_begin_int+0x340/0x13b4
[   37.019952][ T4214]  cont_write_begin+0x5c0/0x7d8
[   37.020982][ T4214]  hfsplus_write_begin+0x98/0xe4
[   37.022033][ T4214]  generic_perform_write+0x278/0x55c
[   37.023105][ T4214]  __generic_file_write_iter+0x168/0x388
[   37.024311][ T4214]  generic_file_write_iter+0xb8/0x2b4
[   37.025459][ T4214]  vfs_write+0x610/0x914
[   37.026279][ T4214]  ksys_write+0x15c/0x26c
[   37.027152][ T4214]  __arm64_sys_write+0x7c/0x90
[   37.028117][ T4214]  invoke_syscall+0x98/0x2c0
[   37.029130][ T4214]  el0_svc_common+0x138/0x258
[   37.030079][ T4214]  do_el0_svc+0x64/0x218
[   37.030973][ T4214]  el0_svc+0x58/0x168
[   37.031883][ T4214]  el0t_64_sync_handler+0x84/0xf0
[   37.032959][ T4214]  el0t_64_sync+0x18c/0x190