Warning: Permanently added '10.128.0.173' (ED25519) to the list of known hosts.
executing program
syzkaller login: [   36.579749][ T4220] loop0: detected capacity change from 0 to 1024
[   36.594208][ T4220] 
[   36.594815][ T4220] ============================================
[   36.596294][ T4220] WARNING: possible recursive locking detected
[   36.597865][ T4220] 6.1.82-syzkaller #0 Not tainted
[   36.599023][ T4220] --------------------------------------------
[   36.600321][ T4220] syz-executor428/4220 is trying to acquire lock:
[   36.601712][ T4220] ffff0000d5dd9548 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x2c4/0x1168
[   36.604335][ T4220] 
[   36.604335][ T4220] but task is already holding lock:
[   36.606128][ T4220] ffff0000d5dda988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x198/0x14cc
[   36.608551][ T4220] 
[   36.608551][ T4220] other info that might help us debug this:
[   36.610359][ T4220]  Possible unsafe locking scenario:
[   36.610359][ T4220] 
[   36.612100][ T4220]        CPU0
[   36.612864][ T4220]        ----
[   36.613590][ T4220]   lock(&HFSPLUS_I(inode)->extents_lock);
[   36.614985][ T4220]   lock(&HFSPLUS_I(inode)->extents_lock);
[   36.616371][ T4220] 
[   36.616371][ T4220]  *** DEADLOCK ***
[   36.616371][ T4220] 
[   36.618505][ T4220]  May be due to missing lock nesting notation
[   36.618505][ T4220] 
[   36.620454][ T4220] 4 locks held by syz-executor428/4220:
[   36.621642][ T4220]  #0: ffff0000d6458460 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c
[   36.623748][ T4220]  #1: ffff0000d5ddab80 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: do_truncate+0x1ac/0x28c
[   36.626127][ T4220]  #2: ffff0000d5dda988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x198/0x14cc
[   36.628859][ T4220]  #3: ffff0000d81928f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_allocate+0x90/0x818
[   36.631291][ T4220] 
[   36.631291][ T4220] stack backtrace:
[   36.632700][ T4220] CPU: 0 PID: 4220 Comm: syz-executor428 Not tainted 6.1.82-syzkaller #0
[   36.634646][ T4220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[   36.636857][ T4220] Call trace:
[   36.637716][ T4220]  dump_backtrace+0x1c8/0x1f4
[   36.638772][ T4220]  show_stack+0x2c/0x3c
[   36.639717][ T4220]  dump_stack_lvl+0x108/0x170
[   36.640772][ T4220]  dump_stack+0x1c/0x58
[   36.641848][ T4220]  __lock_acquire+0x6310/0x7680
[   36.643062][ T4220]  lock_acquire+0x26c/0x7cc
[   36.644037][ T4220]  __mutex_lock_common+0x190/0x21a0
[   36.645176][ T4220]  mutex_lock_nested+0x38/0x44
[   36.646201][ T4220]  hfsplus_get_block+0x2c4/0x1168
[   36.647312][ T4220]  block_read_full_folio+0x2f4/0x98c
[   36.648471][ T4220]  hfsplus_read_folio+0x28/0x38
[   36.649731][ T4220]  filemap_read_folio+0x14c/0x39c
[   36.650935][ T4220]  do_read_cache_folio+0x24c/0x544
[   36.652117][ T4220]  read_cache_page+0x6c/0x180
[   36.653238][ T4220]  hfsplus_block_allocate+0xe0/0x818
[   36.654508][ T4220]  hfsplus_file_extend+0x770/0x14cc
[   36.655701][ T4220]  hfsplus_get_block+0x398/0x1168
[   36.656859][ T4220]  __block_write_begin_int+0x340/0x13b4
[   36.658155][ T4220]  cont_write_begin+0x5c0/0x7d8
[   36.659235][ T4220]  hfsplus_write_begin+0x98/0xe4
[   36.660416][ T4220]  cont_write_begin+0x2ac/0x7d8
[   36.661609][ T4220]  hfsplus_write_begin+0x98/0xe4
[   36.662854][ T4220]  generic_cont_expand_simple+0x160/0x258
[   36.664157][ T4220]  hfsplus_setattr+0x148/0x25c
[   36.665236][ T4220]  notify_change+0xb58/0xe1c
[   36.666295][ T4220]  do_truncate+0x1c0/0x28c
[   36.667302][ T4220]  vfs_truncate+0x2c4/0x36c
[   36.668362][ T4220]  do_sys_truncate+0xec/0x1b4
[   36.669575][ T4220]  __arm64_sys_truncate+0x5c/0x70
[   36.670626][ T4220]  invoke_syscall+0x98/0x2c0
[   36.671723][ T4220]  el0_svc_common+0x138/0x258
[   36.672905][ T4220]  do_el0_svc+0x64/0x218
[   36.673852][ T4220]  el0_svc+0x58/0x168
[   36.674804][ T4220]  el0t_64_sync_handler+0x84/0xf0
[   36.675984][ T4220]  el0t_64_sync+0x18c/0x190