============================================
WARNING: possible recursive locking detected
5.15.161-syzkaller #0 Not tainted
--------------------------------------------
syz-executor.2/5719 is trying to acquire lock:
ffff0000e55a9548 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x2c4/0x1194 fs/hfsplus/extents.c:260

but task is already holding lock:
ffff0000e4298108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x254/0x9cc 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

6 locks held by syz-executor.2/5719:
 #0: ffff0000ea6f8460 (sb_writers#22){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377
 #1: ffff0000e55a9e00 (&type->i_mutex_dir_key#15/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:824 [inline]
 #1: ffff0000e55a9e00 (&type->i_mutex_dir_key#15/1){+.+.}-{3:3}, at: do_unlinkat+0x2d0/0x830 fs/namei.c:4331
 #2: ffff0000e4298300 (&sb->s_type->i_mutex_key#29){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
 #2: ffff0000e4298300 (&sb->s_type->i_mutex_key#29){+.+.}-{3:3}, at: vfs_unlink+0xd8/0x508 fs/namei.c:4269
 #3: ffff0000c21de198 (&sbi->vh_mutex){+.+.}-{3:3}, at: hfsplus_unlink+0x144/0x6a0 fs/hfsplus/dir.c:370
 #4: ffff0000e4298108 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x254/0x9cc fs/hfsplus/extents.c:576
 #5: ffff0000c21de0f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_free+0xcc/0x514 fs/hfsplus/bitmap.c:182

stack backtrace:
CPU: 0 PID: 5719 Comm: syz-executor.2 Not tainted 5.15.161-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 __lock_acquire+0x62bc/0x7638 kernel/locking/lockdep.c:5012
 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623
 __mutex_lock_common+0x194/0x2154 kernel/locking/mutex.c:596
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
 hfsplus_get_block+0x2c4/0x1194 fs/hfsplus/extents.c:260
 block_read_full_page+0x2a0/0xc4c fs/buffer.c:2290
 hfsplus_readpage+0x28/0x38 fs/hfsplus/inode.c:28
 do_read_cache_page+0x60c/0x950
 read_cache_page+0x68/0x84 mm/filemap.c:3574
 read_mapping_page include/linux/pagemap.h:515 [inline]
 hfsplus_block_free+0x120/0x514 fs/hfsplus/bitmap.c:185
 hfsplus_free_extents+0x148/0x8d4 fs/hfsplus/extents.c:363
 hfsplus_file_truncate+0x69c/0x9cc fs/hfsplus/extents.c:591
 hfsplus_delete_inode+0x154/0x200
 hfsplus_unlink+0x414/0x6a0 fs/hfsplus/dir.c:405
 vfs_unlink+0x2f0/0x508 fs/namei.c:4280
 do_unlinkat+0x4cc/0x830 fs/namei.c:4348
 __do_sys_unlinkat fs/namei.c:4391 [inline]
 __se_sys_unlinkat fs/namei.c:4384 [inline]
 __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4384
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584