------------[ cut here ]------------
WARNING: CPU: 0 PID: 4274 at fs/buffer.c:1081 mark_buffer_dirty+0x383/0x7a0 fs/buffer.c:1081
Modules linked in:
CPU: 0 PID: 4274 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:mark_buffer_dirty+0x383/0x7a0 fs/buffer.c:1081
Code: 93 79 e2 ff 49 8b 3f be 04 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 2c aa fc ff e8 87 8e 91 ff e9 43 ff ff ff e8 7d 8e 91 ff <0f> 0b e9 ba fc ff ff e8 71 8e 91 ff 0f 0b e9 00 fd ff ff e8 65 8e
RSP: 0000:ffffc90003fe7a90 EFLAGS: 00010293
RAX: ffffffff81f0e3f3 RBX: ffff888054e272b8 RCX: ffff8880795a1dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff1100f978c01 R08: ffff888054e272bf R09: 1ffff1100a9c4e57
R10: dffffc0000000000 R11: ffffed100a9c4e58 R12: dffffc0000000000
R13: ffff88807cbc6678 R14: ffff88806812345b R15: ffff888068123400
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f37c3f06fd8 CR3: 0000000027557000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfs_mdb_commit+0x47e/0x1100 fs/hfs/mdb.c:283
 hfs_sync_fs+0x11/0x20 fs/hfs/super.c:35
 sync_filesystem+0xe6/0x220 fs/sync.c:56
 generic_shutdown_super+0x6b/0x340 fs/super.c:474
 kill_block_super+0x7c/0xe0 fs/super.c:1470
 deactivate_locked_super+0x93/0xf0 fs/super.c:332
 cleanup_mnt+0x42c/0x4b0 fs/namespace.c:1191
 task_work_run+0x1d0/0x260 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0x982/0x2480 kernel/exit.c:880
 do_group_exit+0x217/0x2d0 kernel/exit.c:1022
 __do_sys_exit_group kernel/exit.c:1033 [inline]
 __se_sys_exit_group kernel/exit.c:1031 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1031
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb52339aeb9
Code: Unable to access opcode bytes at 0x7fb52339ae8f.
RSP: 002b:00007ffe4ccff2c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fb523404773 RCX: 00007fb52339aeb9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000002 R08: 0000000000000000 R09: 00007fb52340471f
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4cd00580
R13: 00007fb52340471f R14: 000000000002615c R15: 00007ffe4cd01650
 </TASK>