WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
======================================================
WARNING: possible circular locking dependency detected
6.8.0-rc3-syzkaller-00041-g547ab8fc4cb0 #0 Not tainted
------------------------------------------------------
syz-executor254/5140 is trying to acquire lock:
ffff88805e6560b0 (&tree->tree_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x811/0xb50 fs/hfsplus/extents.c:595

but task is already holding lock:
ffff8880798bc488 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x2da/0xb50 fs/hfsplus/extents.c:576

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}:
       lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
       __mutex_lock_common kernel/locking/mutex.c:608 [inline]
       __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752
       hfsplus_file_extend+0x21b/0x1b70 fs/hfsplus/extents.c:457
       hfsplus_bmap_reserve+0x105/0x4e0 fs/hfsplus/btree.c:358
       hfsplus_rename_cat+0x1d0/0x1050 fs/hfsplus/catalog.c:456
       hfsplus_rename+0x12e/0x1c0 fs/hfsplus/dir.c:552
       vfs_rename+0xbdb/0xf00 fs/namei.c:4879
       do_renameat2+0xd94/0x13f0 fs/namei.c:5036
       __do_sys_rename fs/namei.c:5083 [inline]
       __se_sys_rename fs/namei.c:5081 [inline]
       __x64_sys_rename+0x86/0xa0 fs/namei.c:5081
       do_syscall_64+0xf9/0x240
       entry_SYSCALL_64_after_hwframe+0x6f/0x77

-> #0 (&tree->tree_lock){+.+.}-{3:3}:
       check_prev_add kernel/locking/lockdep.c:3134 [inline]
       check_prevs_add kernel/locking/lockdep.c:3253 [inline]
       validate_chain+0x18ca/0x58e0 kernel/locking/lockdep.c:3869
       __lock_acquire+0x1345/0x1fd0 kernel/locking/lockdep.c:5137
       lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
       __mutex_lock_common kernel/locking/mutex.c:608 [inline]
       __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752
       hfsplus_file_truncate+0x811/0xb50 fs/hfsplus/extents.c:595
       hfsplus_setattr+0x1bd/0x260 fs/hfsplus/inode.c:265
       notify_change+0xb9d/0xe70 fs/attr.c:499
       do_truncate+0x220/0x310 fs/open.c:66
       vfs_truncate+0x2e1/0x3b0 fs/open.c:112
       do_sys_truncate+0xde/0x190 fs/open.c:135
       do_syscall_64+0xf9/0x240
       entry_SYSCALL_64_after_hwframe+0x6f/0x77

other info that might help us debug this:

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&HFSPLUS_I(inode)->extents_lock);
                               lock(&tree->tree_lock);
                               lock(&HFSPLUS_I(inode)->extents_lock);
  lock(&tree->tree_lock);

 *** DEADLOCK ***

3 locks held by syz-executor254/5140:
 #0: ffff88805e6fc420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
 #1: ffff8880798bc680 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #1: ffff8880798bc680 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: do_truncate+0x20c/0x310 fs/open.c:64
 #2: ffff8880798bc488 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x2da/0xb50 fs/hfsplus/extents.c:576

stack backtrace:
CPU: 0 PID: 5140 Comm: syz-executor254 Not tainted 6.8.0-rc3-syzkaller-00041-g547ab8fc4cb0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2187
 check_prev_add kernel/locking/lockdep.c:3134 [inline]
 check_prevs_add kernel/locking/lockdep.c:3253 [inline]
 validate_chain+0x18ca/0x58e0 kernel/locking/lockdep.c:3869
 __lock_acquire+0x1345/0x1fd0 kernel/locking/lockdep.c:5137
 lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
 __mutex_lock_common kernel/locking/mutex.c:608 [inline]
 __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752
 hfsplus_file_truncate+0x811/0xb50 fs/hfsplus/extents.c:595
 hfsplus_setattr+0x1bd/0x260 fs/hfsplus/inode.c:265
 notify_change+0xb9d/0xe70 fs/attr.c:499
 do_truncate+0x220/0x310 fs/open.c:66
 vfs_truncate+0x2e1/0x3b0 fs/open.c:112
 do_sys_truncate+0xde/0x190 fs/open.c:135
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb90ac05499
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 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:00007ffff170dea8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fb90ac05499
RDX: 00007fb90ac043d1 RSI: 0000000000000000 RDI: 0000000020000200
RBP: 00007fb90ac4e0a0 R08: 0000000000000632 R09: 00000000200003c0
R10: 00007ffff170dd70 R11: 0000000000000246 R12: 00007ffff170dedc
R13: 0000000000000006 R14: 431bde82d7b634db R15: 00007ffff170df10
 </TASK>