------------[ cut here ]------------
WARNING: CPU: 0 PID: 5840 at fs/buffer.c:1173 mark_buffer_dirty+0x38b/0x410 fs/buffer.c:1173
Modules linked in:
CPU: 0 UID: 0 PID: 5840 Comm: syz-executor Not tainted 6.15.0-rc2-syzkaller-00488-g6fea5fabd332 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:mark_buffer_dirty+0x38b/0x410 fs/buffer.c:1173
Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 85 00 00 00 48 8b 3b be 20 00 00 00 e8 c0 27 fc ff e9 d9 fd ff ff e8 66 6b 76 ff 90 <0f> 0b 90 e9 a1 fc ff ff e8 58 6b 76 ff 90 0f 0b 90 e9 c3 fc ff ff
RSP: 0018:ffffc90003267d58 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888058f12570 RCX: ffffffff8244d07b
RDX: ffff888035bc9e00 RSI: ffffffff8244d3da RDI: 0000000000000001
RBP: ffff888076e29400 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880267b6780
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88805fbb0ac0
FS:  0000555572605500(0000) GS:ffff8881249b8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc0e71fef98 CR3: 000000005fba6000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 hfs_mdb_close+0x19c/0x1f0 fs/hfs/mdb.c:347
 hfs_put_super+0x46/0x60 fs/hfs/super.c:51
 generic_shutdown_super+0x156/0x390 fs/super.c:642
 kill_block_super+0x3b/0x90 fs/super.c:1710
 deactivate_locked_super+0xc1/0x1a0 fs/super.c:473
 deactivate_super fs/super.c:506 [inline]
 deactivate_super+0xde/0x100 fs/super.c:502
 cleanup_mnt+0x225/0x450 fs/namespace.c:1435
 task_work_run+0x150/0x240 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x260 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f492e98f497
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff71032c08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f492ea10854 RCX: 00007f492e98f497
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff71032cc0
RBP: 00007fff71032cc0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff71033d50
R13: 00007f492ea10854 R14: 000000000002f81c R15: 00007fff71033d90
 </TASK>