Warning: Permanently added '10.128.0.216' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   32.235966] hfsplus: xattr searching failed
[   32.240910] 
[   32.242537] ============================================
[   32.247974] WARNING: possible recursive locking detected
[   32.253411] 4.19.211-syzkaller #0 Not tainted
[   32.257896] --------------------------------------------
[   32.263332] syz-executor382/8078 is trying to acquire lock:
[   32.269022] 0000000048578374 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_get_block+0x292/0x960
[   32.278543] 
[   32.278543] but task is already holding lock:
[   32.284488] 00000000df9686d3 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x1e2/0x1040
[   32.294956] 
[   32.294956] other info that might help us debug this:
[   32.301594]  Possible unsafe locking scenario:
[   32.301594] 
[   32.307621]        CPU0
[   32.310173]        ----
[   32.312737]   lock(&HFSPLUS_I(inode)->extents_lock);
[   32.317810]   lock(&HFSPLUS_I(inode)->extents_lock);
[   32.322972] 
[   32.322972]  *** DEADLOCK ***
[   32.322972] 
[   32.329003]  May be due to missing lock nesting notation
[   32.329003] 
[   32.335904] 4 locks held by syz-executor382/8078:
[   32.340718]  #0: 00000000c5896be9 (sb_writers#11){.+.+}, at: mnt_want_write+0x3a/0xb0
[   32.349365]  #1: 0000000030581862 (&sb->s_type->i_mutex_key#17){+.+.}, at: do_truncate+0x125/0x1f0
[   32.358446]  #2: 00000000df9686d3 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x1e2/0x1040
[   32.368827]  #3: 000000001a35693e (&sbi->alloc_mutex){+.+.}, at: hfsplus_block_free+0xdb/0x5d0
[   32.377555] 
[   32.377555] stack backtrace:
[   32.382028] CPU: 1 PID: 8078 Comm: syz-executor382 Not tainted 4.19.211-syzkaller #0
[   32.389979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   32.399308] Call Trace:
[   32.401873]  dump_stack+0x1fc/0x2ef
[   32.405488]  __lock_acquire.cold+0x121/0x57e
[   32.409874]  ? mark_held_locks+0xf0/0xf0
[   32.413909]  ? add_lock_to_list.constprop.0+0x17d/0x330
[   32.419245]  ? save_trace+0xd6/0x290
[   32.422933]  ? __lock_acquire+0x22f9/0x3ff0
[   32.427230]  lock_acquire+0x170/0x3c0
[   32.431006]  ? hfsplus_get_block+0x292/0x960
[   32.435390]  ? hfsplus_get_block+0x292/0x960
[   32.439773]  __mutex_lock+0xd7/0x1190
[   32.443550]  ? hfsplus_get_block+0x292/0x960
[   32.447937]  ? check_preemption_disabled+0x41/0x280
[   32.452931]  ? hfsplus_get_block+0x292/0x960
[   32.457318]  ? mutex_trylock+0x1a0/0x1a0
[   32.461357]  ? create_page_buffers+0x212/0x350
[   32.465915]  ? alloc_page_buffers+0x2da/0x5c0
[   32.470386]  ? lock_downgrade+0x720/0x720
[   32.474524]  ? do_raw_spin_lock+0xcb/0x220
[   32.478736]  hfsplus_get_block+0x292/0x960
[   32.482947]  block_read_full_page+0x288/0xd10
[   32.487441]  ? hfsplus_file_extend+0xf40/0xf40
[   32.492002]  ? __bread_gfp+0x300/0x300
[   32.495866]  ? add_to_page_cache_locked+0x40/0x40
[   32.500685]  do_read_cache_page+0x533/0x1170
[   32.505069]  ? hfsplus_bmap+0x30/0x30
[   32.508847]  hfsplus_block_free+0x18b/0x5d0
[   32.513143]  ? __mutex_unlock_slowpath+0xea/0x610
[   32.517960]  hfsplus_free_extents+0x228/0x520
[   32.522435]  hfsplus_file_truncate+0xd96/0x1040
[   32.527079]  ? hfsplus_get_block+0x960/0x960
[   32.531461]  ? up_write+0x18/0x150
[   32.534977]  ? unmap_mapping_pages+0x121/0x2b0
[   32.539553]  ? inode_newsize_ok+0x121/0x1e0
[   32.543857]  hfsplus_setattr+0x1e7/0x310
[   32.547894]  ? hfsplus_file_open+0x140/0x140
[   32.552277]  notify_change+0x70b/0xfc0
[   32.556142]  do_truncate+0x134/0x1f0
[   32.559829]  ? dentry_open+0x1d0/0x1d0
[   32.563691]  ? apparmor_path_truncate+0x183/0x200
[   32.568509]  ? inode_permission+0x3d/0x140
[   32.572719]  path_openat+0x2308/0x2df0
[   32.576593]  ? path_lookupat+0x8d0/0x8d0
[   32.580629]  ? mark_held_locks+0xf0/0xf0
[   32.584663]  ? __lock_acquire+0x6de/0x3ff0
[   32.588958]  do_filp_open+0x18c/0x3f0
[   32.592734]  ? may_open_dev+0xf0/0xf0
[   32.596514]  ? lock_downgrade+0x720/0x720
[   32.600637]  ? lock_acquire+0x170/0x3c0
[   32.604606]  ? __alloc_fd+0x34/0x570
[   32.608295]  ? do_raw_spin_unlock+0x171/0x230
[   32.612765]  ? _raw_spin_unlock+0x29/0x40
[   32.616885]  ? __alloc_fd+0x28d/0x570
[   32.620661]  do_sys_open+0x3b3/0x520
[   32.624349]  ? filp_open+0x70/0x70
[   32.627865]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   32.633205]  ? trace_hardirqs_off_caller+0x6e/0x210
[   32.638193]  ? do_syscall_64+0x21/0x620
[   32.642153]  do_syscall_64+0xf9/0x620
[   32.645936]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   32.651107] RIP: 0033:0x7f7c18320779
[   32.654799] 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
[   32.673683] RSP: 002b:00007ffd61409838 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[   32.681366] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f7c1832