Warning: Permanently added '10.128.0.166' (ECDSA) to the list of known hosts.
executing program
[   38.456223] hfsplus: xattr searching failed
[   38.461025] 
[   38.462651] ============================================
[   38.468085] WARNING: possible recursive locking detected
[   38.473522] 4.19.211-syzkaller #0 Not tainted
[   38.477987] --------------------------------------------
[   38.483418] syz-executor331/8087 is trying to acquire lock:
[   38.489125] 000000000e962c31 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_get_block+0x292/0x960
[   38.498658] 
[   38.498658] but task is already holding lock:
[   38.504602] 00000000b3a9cd3f (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x1e2/0x1040
[   38.514550] 
[   38.514550] other info that might help us debug this:
[   38.521277]  Possible unsafe locking scenario:
[   38.521277] 
[   38.527310]        CPU0
[   38.529867]        ----
[   38.532423]   lock(&HFSPLUS_I(inode)->extents_lock);
[   38.537519]   lock(&HFSPLUS_I(inode)->extents_lock);
[   38.542602] 
[   38.542602]  *** DEADLOCK ***
[   38.542602] 
[   38.548721]  May be due to missing lock nesting notation
[   38.548721] 
[   38.555622] 4 locks held by syz-executor331/8087:
[   38.560440]  #0: 00000000fd787b1b (sb_writers#11){.+.+}, at: mnt_want_write+0x3a/0xb0
[   38.568393]  #1: 000000001f8065c1 (&sb->s_type->i_mutex_key#17){+.+.}, at: do_truncate+0x125/0x1f0
[   38.577473]  #2: 00000000b3a9cd3f (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x1e2/0x1040
[   38.587858]  #3: 00000000ee7d0ad6 (&sbi->alloc_mutex){+.+.}, at: hfsplus_block_free+0xdb/0x5d0
[   38.596594] 
[   38.596594] stack backtrace:
[   38.601071] CPU: 1 PID: 8087 Comm: syz-executor331 Not tainted 4.19.211-syzkaller #0
[   38.608927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   38.618257] Call Trace:
[   38.620830]  dump_stack+0x1fc/0x2ef
[   38.624436]  __lock_acquire.cold+0x121/0x57e
[   38.628823]  ? mark_held_locks+0xf0/0xf0
[   38.632861]  ? add_lock_to_list.constprop.0+0x17d/0x330
[   38.638200]  ? save_trace+0xd6/0x290
[   38.641890]  ? __lock_acquire+0x22f9/0x3ff0
[   38.646185]  lock_acquire+0x170/0x3c0
[   38.649967]  ? hfsplus_get_block+0x292/0x960
[   38.654353]  ? hfsplus_get_block+0x292/0x960
[   38.658737]  __mutex_lock+0xd7/0x1190
[   38.662516]  ? hfsplus_get_block+0x292/0x960
[   38.666903]  ? check_preemption_disabled+0x41/0x280
[   38.671895]  ? hfsplus_get_block+0x292/0x960
[   38.676282]  ? mutex_trylock+0x1a0/0x1a0
[   38.680320]  ? create_page_buffers+0x212/0x350
[   38.684879]  ? alloc_page_buffers+0x2da/0x5c0
[   38.689350]  ? lock_downgrade+0x720/0x720
[   38.693472]  ? do_raw_spin_lock+0xcb/0x220
[   38.697685]  hfsplus_get_block+0x292/0x960
[   38.701897]  block_read_full_page+0x288/0xd10
[   38.706369]  ? hfsplus_file_extend+0xf40/0xf40
[   38.710930]  ? __bread_gfp+0x300/0x300
[   38.714792]  ? add_to_page_cache_locked+0x40/0x40
[   38.719611]  do_read_cache_page+0x533/0x1170
[   38.723999]  ? hfsplus_bmap+0x30/0x30
[   38.727778]  hfsplus_block_free+0x18b/0x5d0
[   38.732086]  ? __mutex_unlock_slowpath+0xea/0x610
[   38.736906]  hfsplus_free_extents+0x228/0x520
[   38.741377]  hfsplus_file_truncate+0xd96/0x1040
[   38.746024]  ? hfsplus_get_block+0x960/0x960
[   38.750408]  ? up_write+0x18/0x150
[   38.753927]  ? unmap_mapping_pages+0x121/0x2b0
[   38.758492]  ? inode_newsize_ok+0x121/0x1e0
[   38.762791]  hfsplus_setattr+0x1e7/0x310
[   38.766830]  ? hfsplus_file_open+0x140/0x140
[   38.771226]  notify_change+0x70b/0xfc0
[   38.775213]  do_truncate+0x134/0x1f0
[   38.778915]  ? dentry_open+0x1d0/0x1d0
[   38.782787]  ? apparmor_path_truncate+0x183/0x200
[   38.787636]  ? inode_permission+0x3d/0x140
[   38.791852]  path_openat+0x2308/0x2df0
[   38.795718]  ? path_lookupat+0x8d0/0x8d0
[   38.799758]  ? mark_held_locks+0xf0/0xf0
[   38.803795]  ? __lock_acquire+0x6de/0x3ff0
[   38.808024]  do_filp_open+0x18c/0x3f0
[   38.811800]  ? may_open_dev+0xf0/0xf0
[   38.815580]  ? lock_downgrade+0x720/0x720
[   38.819703]  ? lock_acquire+0x170/0x3c0
[   38.823653]  ? __alloc_fd+0x34/0x570
[   38.827343]  ? do_raw_spin_unlock+0x171/0x230
[   38.831813]  ? _raw_spin_unlock+0x29/0x40
[   38.835935]  ? __alloc_fd+0x28d/0x570
[   38.839714]  do_sys_open+0x3b3/0x520
[   38.843409]  ? filp_open+0x70/0x70
[   38.846926]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   38.852272]  ? trace_hardirqs_off_caller+0x6e/0x210
[   38.857264]  ? do_syscall_64+0x21/0x620
[   38.861216]  do_syscall_64+0xf9/0x620
[   38.864996]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   38.870159] RIP: 0033:0x7f57bcf5e779
[   38.873849] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[   38.892726] RSP: 002b:00007ffde4e46168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[   38.900411] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f57bcf5e779
[   38.90