============================================
WARNING: possible recursive locking detected
6.9.0-rc2-syzkaller-00002-g026e680b0a08 #0 Not tainted
--------------------------------------------
syz-executor314/5186 is trying to acquire lock:
ffff88801f751548 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x277/0x9e0 fs/hfsplus/extents.c:260

but task is already holding lock:
ffff888027410108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x204/0x9e0 fs/hfsplus/extents.c:576

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&HFSPLUS_I(inode)->extents_lock);
  lock(&HFSPLUS_I(inode)->extents_lock);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

4 locks held by syz-executor314/5186:
 #0: ffff88802b58c420 (sb_writers#10){.+.+}-{0:0}, at: do_open fs/namei.c:3635 [inline]
 #0: ffff88802b58c420 (sb_writers#10){.+.+}-{0:0}, at: path_openat+0x1fba/0x2990 fs/namei.c:3799
 #1: ffff888027410300 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:793 [inline]
 #1: ffff888027410300 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: do_truncate+0x14b/0x220 fs/open.c:63
 #2: ffff888027410108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x204/0x9e0 fs/hfsplus/extents.c:576
 #3: ffff8880244b70f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_free+0xd2/0x530 fs/hfsplus/bitmap.c:182

stack backtrace:
CPU: 1 PID: 5186 Comm: syz-executor314 Not tainted 6.9.0-rc2-syzkaller-00002-g026e680b0a08 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114
 check_deadlock kernel/locking/lockdep.c:3062 [inline]
 validate_chain kernel/locking/lockdep.c:3856 [inline]
 __lock_acquire+0x20e6/0x3b30 kernel/locking/lockdep.c:5137
 lock_acquire kernel/locking/lockdep.c:5754 [inline]
 lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719
 __mutex_lock_common kernel/locking/mutex.c:608 [inline]
 __mutex_lock+0x175/0x9c0 kernel/locking/mutex.c:752
 hfsplus_get_block+0x277/0x9e0 fs/hfsplus/extents.c:260
 block_read_full_folio+0x38f/0xa70 fs/buffer.c:2384
 filemap_read_folio+0xe7/0x2c0 mm/filemap.c:2331
 do_read_cache_folio+0x207/0x550 mm/filemap.c:3747
 do_read_cache_page mm/filemap.c:3813 [inline]
 read_cache_page+0x5b/0x160 mm/filemap.c:3822
 read_mapping_page include/linux/pagemap.h:888 [inline]
 hfsplus_block_free+0x12f/0x530 fs/hfsplus/bitmap.c:185
 hfsplus_free_extents+0x3a6/0x520 fs/hfsplus/extents.c:363
 hfsplus_file_truncate+0x836/0x9e0 fs/hfsplus/extents.c:591
 hfsplus_setattr+0x1eb/0x310 fs/hfsplus/inode.c:265
 notify_change+0x742/0x11c0 fs/attr.c:497
 do_truncate+0x15c/0x220 fs/open.c:65
 handle_truncate fs/namei.c:3300 [inline]
 do_open fs/namei.c:3646 [inline]
 path_openat+0x24b9/0x2990 fs/namei.c:3799
 do_filp_open+0x1dc/0x430 fs/namei.c:3826
 do_sys_openat2+0x17a/0x1e0 fs/open.c:1406
 do_sys_open fs/open.c:1421 [inline]
 __do_sys_creat fs/open.c:1497 [inline]
 __se_sys_creat fs/open.c:1491 [inline]
 __x64_sys_creat+0xcd/0x120 fs/open.c:1491
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x72/0x7a
RIP: 0033:0x7f3af96e65f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff28a1f358 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fff28a1f538 RCX: 00007f3af96e65f9
RDX: 00007f3af96e5691 RSI: 0000000000000000 RDI: 0000000020000280
RBP: 00007f3af9759610 R08: 0000000000000604 R09: 0000000000000000
R10: 00007fff28a1f220 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff28a1f528 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
hfsplus: unable to mark blocks free: error -5
hfsplus: can't free extent