Warning: Permanently added '10.128.10.18' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   31.985713] hfsplus: xattr search failed
[   31.990264] 
[   31.991892] ============================================
[   31.997325] WARNING: possible recursive locking detected
[   32.002767] 4.19.211-syzkaller #0 Not tainted
[   32.007248] --------------------------------------------
[   32.012678] syz-executor576/8098 is trying to acquire lock:
[   32.018359] 0000000008fabb1b (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_get_block+0x292/0x960
[   32.027876] 
[   32.027876] but task is already holding lock:
[   32.033822] 000000007917c690 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x1e2/0x1040
[   32.043772] 
[   32.043772] other info that might help us debug this:
[   32.050407]  Possible unsafe locking scenario:
[   32.050407] 
[   32.056436]        CPU0
[   32.058991]        ----
[   32.061545]   lock(&HFSPLUS_I(inode)->extents_lock);
[   32.066622]   lock(&HFSPLUS_I(inode)->extents_lock);
[   32.071702] 
[   32.071702]  *** DEADLOCK ***
[   32.071702] 
[   32.077744]  May be due to missing lock nesting notation
[   32.077744] 
[   32.084652] 6 locks held by syz-executor576/8098:
[   32.089464]  #0: 00000000ce50d166 (sb_writers#11){.+.+}, at: mnt_want_write+0x3a/0xb0
[   32.097420]  #1: 00000000804cd03a (&type->i_mutex_dir_key#7/1){+.+.}, at: do_unlinkat+0x27d/0x660
[   32.106418]  #2: 00000000e1f57ba6 (&sb->s_type->i_mutex_key#17){+.+.}, at: vfs_unlink+0xca/0x4e0
[   32.115325]  #3: 000000003de9d4af (&sbi->vh_mutex){+.+.}, at: hfsplus_unlink+0x140/0x820
[   32.123534]  #4: 000000007917c690 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x1e2/0x1040
[   32.133914]  #5: 000000003ae8d96f (&sbi->alloc_mutex){+.+.}, at: hfsplus_block_free+0xdb/0x5d0
[   32.142650] 
[   32.142650] stack backtrace:
[   32.147126] CPU: 0 PID: 8098 Comm: syz-executor576 Not tainted 4.19.211-syzkaller #0
[   32.154980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   32.164306] Call Trace:
[   32.166883]  dump_stack+0x1fc/0x2ef
[   32.170490]  __lock_acquire.cold+0x121/0x57e
[   32.174879]  ? mark_held_locks+0xf0/0xf0
[   32.178916]  ? add_lock_to_list.constprop.0+0x17d/0x330
[   32.184254]  ? save_trace+0xd6/0x290
[   32.187944]  ? __lock_acquire+0x22f9/0x3ff0
[   32.192244]  lock_acquire+0x170/0x3c0
[   32.196023]  ? hfsplus_get_block+0x292/0x960
[   32.200407]  ? hfsplus_get_block+0x292/0x960
[   32.204796]  __mutex_lock+0xd7/0x1190
[   32.208572]  ? hfsplus_get_block+0x292/0x960
[   32.212958]  ? check_preemption_disabled+0x41/0x280
[   32.217949]  ? hfsplus_get_block+0x292/0x960
[   32.222331]  ? mutex_trylock+0x1a0/0x1a0
[   32.226368]  ? create_page_buffers+0x212/0x350
[   32.230924]  ? alloc_page_buffers+0x2da/0x5c0
[   32.235395]  ? lock_downgrade+0x720/0x720
[   32.239517]  ? do_raw_spin_lock+0xcb/0x220
[   32.243734]  hfsplus_get_block+0x292/0x960
[   32.247947]  block_read_full_page+0x288/0xd10
[   32.252420]  ? hfsplus_file_extend+0xf40/0xf40
[   32.256975]  ? __bread_gfp+0x300/0x300
[   32.260838]  ? add_to_page_cache_locked+0x40/0x40
[   32.265659]  do_read_cache_page+0x533/0x1170
[   32.270042]  ? hfsplus_bmap+0x30/0x30
[   32.273817]  hfsplus_block_free+0x18b/0x5d0
[   32.278112]  ? __mutex_unlock_slowpath+0xea/0x610
[   32.282930]  hfsplus_free_extents+0x228/0x520
[   32.287403]  hfsplus_file_truncate+0xd96/0x1040
[   32.292049]  ? hfsplus_delete_cat+0x129/0xe30
[   32.296518]  ? hfsplus_get_block+0x960/0x960
[   32.300904]  ? common_perm+0x4be/0x800
[   32.304768]  hfsplus_delete_inode+0x18d/0x220
[   32.309238]  hfsplus_unlink+0x595/0x820
[   32.313190]  ? hfsplus_symlink+0x2e0/0x2e0
[   32.317400]  ? lock_acquire+0x170/0x3c0
[   32.321349]  ? vfs_unlink+0xca/0x4e0
[   32.325040]  vfs_unlink+0x27d/0x4e0
[   32.328641]  do_unlinkat+0x3b8/0x660
[   32.332329]  ? __ia32_sys_rmdir+0x40/0x40
[   32.336451]  ? strncpy_from_user+0x2a2/0x350
[   32.340836]  ? getname_flags+0x25b/0x590
[   32.344871]  do_syscall_64+0xf9/0x620
[   32.348647]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   32.353811] RIP: 0033:0x7f2455d70769
[   32.357500] 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
[   32.376375] RSP: 002b:00007ffd66f60b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[   32.384056] RAX: ffffffffffffffda RBX