------------[ cut here ]------------
!buffer_uptodate(bh)
WARNING: fs/buffer.c:1183 at mark_buffer_dirty+0x3ae/0x430 fs/buffer.c:1183, CPU#0: syz-executor/6064
Modules linked in:
CPU: 0 UID: 0 PID: 6064 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:mark_buffer_dirty+0x3ae/0x430 fs/buffer.c:1183
Code: 09 fb ff e9 cb fd ff ff e8 df 03 6e ff 90 0f 0b 90 e9 ea fd ff ff e8 d1 03 6e ff 90 0f 0b 90 e9 b7 fc ff ff e8 c3 03 6e ff 90 <0f> 0b 90 e9 7e fc ff ff e8 b5 03 6e ff 48 c7 c6 60 dc a5 8b 48 89
RSP: 0018:ffffc90003d9fc30 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801272f828 RCX: ffffffff8298d6db
RDX: ffff88802f8a9e80 RSI: ffffffff8298da5d RDI: ffff88802f8a9e80
RBP: ffff888048532400 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff82f36bc0
R13: ffff888031544780 R14: 0000000000000000 R15: ffff88803267c200
FS:  0000000000000000(0000) GS:ffff8881245dc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff73f054e9c CR3: 00000000335dd000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 hfs_mdb_close+0x1a1/0x200 fs/hfs/mdb.c:353
 hfs_put_super+0x46/0x60 fs/hfs/super.c:51
 generic_shutdown_super+0x15f/0x360 fs/super.c:643
 kill_block_super+0x3b/0xa0 fs/super.c:1722
 deactivate_locked_super+0xc1/0x1b0 fs/super.c:474
 deactivate_super fs/super.c:507 [inline]
 deactivate_super+0xe7/0x110 fs/super.c:503
 cleanup_mnt+0x21f/0x450 fs/namespace.c:1318
 task_work_run+0x150/0x240 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x829/0x2a30 kernel/exit.c:971
 do_group_exit+0xd5/0x2a0 kernel/exit.c:1112
 __do_sys_exit_group kernel/exit.c:1123 [inline]
 __se_sys_exit_group kernel/exit.c:1121 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1121
 x64_sys_call+0x14fd/0x1510 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f39f4b9aeb9
Code: Unable to access opcode bytes at 0x7f39f4b9ae8f.
RSP: 002b:00007ffcab6189f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f39f4c047ae RCX: 00007f39f4b9aeb9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000002 R08: 0000000000000000 R09: 00007f39f4c0471f
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcab619cb0
R13: 00007f39f4c0471f R14: 000055556fb934e8 R15: 00007ffcab61ad80
 </TASK>