loop0: detected capacity change from 0 to 64
openvswitch: netlink: Flow actions may not be safe on all matching packets.
capability: warning: `syz.0.0' uses deprecated v2 capabilities in a way that may be insecure
Buffer I/O error on dev loop0, logical block 62, lost sync page write
Buffer I/O error on dev loop0, logical block 2, lost async page write
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5327 at fs/buffer.c:1189 mark_buffer_dirty+0x2a9/0x410 fs/buffer.c:1189
Modules linked in:
CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.16.0-rc2-syzkaller-00318-g739a6c93cc75 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:mark_buffer_dirty+0x2a9/0x410 fs/buffer.c:1189
Code: 4c 89 f7 e8 a9 bb dd ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 94 33 fc ff e8 6f 3d 7a ff eb 8c e8 68 3d 7a ff 90 <0f> 0b 90 e9 95 fd ff ff e8 5a 3d 7a ff 90 0f 0b 90 e9 bf fd ff ff
RSP: 0018:ffffc9000d517900 EFLAGS: 00010293
RAX: ffffffff82461f18 RBX: ffff888043b33cb0 RCX: ffff888000e90000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff1100647c001 R08: ffff888043b33cb7 R09: 1ffff11008766796
R10: dffffc0000000000 R11: ffffed1008766797 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff829b20c0 R15: ffff8880323e0788
FS:  0000000000000000(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4c171d49a0 CR3: 000000005189d000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfs_put_super+0x49/0x60 fs/hfs/super.c:51
 generic_shutdown_super+0x135/0x2c0 fs/super.c:643
 kill_block_super+0x44/0x90 fs/super.c:1755
 deactivate_locked_super+0xb9/0x130 fs/super.c:474
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1417
 task_work_run+0x1d1/0x260 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x6ad/0x22e0 kernel/exit.c:955
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1104
 get_signal+0x1286/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:111
 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
 do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4c1ad8e929
Code: Unable to access opcode bytes at 0x7f4c1ad8e8ff.
RSP: 002b:00007f4c171f50e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f4c1afb5fa8 RCX: 00007f4c1ad8e929
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4c1afb5fac
RBP: 00007f4c1afb5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4c1afb5fac
R13: 0000000000000000 R14: 00007ffcfa3bbaa0 R15: 00007ffcfa3bbb88
 </TASK>