Buffer I/O error on dev loop1, logical block 2, lost sync page write
IO error syncing sysv inode [loop1:00000002]
sysv_free_inode: inode 0,1,2 or nonexistent inode
------------[ cut here ]------------
WARNING: CPU: 3 PID: 5227 at fs/buffer.c:1183 mark_buffer_dirty+0x3cb/0x440 fs/buffer.c:1183
Modules linked in:
CPU: 3 PID: 5227 Comm: syz-executor.1 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:mark_buffer_dirty+0x3cb/0x440 fs/buffer.c:1183
Code: e8 0a f7 80 ff 48 89 ef e8 92 dd e5 ff 5b 5d 41 5c e9 f9 f6 80 ff e8 f4 f6 80 ff 90 0f 0b 90 e9 d1 fd ff ff e8 e6 f6 80 ff 90 <0f> 0b 90 e9 63 fc ff ff e8 d8 f6 80 ff 90 0f 0b 90 e9 8a fc ff ff
RSP: 0018:ffffc90002d9fd30 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888029c38ae0 RCX: ffffffff820d954d
RDX: ffff88801cba0000 RSI: ffffffff820d98ea RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88802bea7838
R13: ffff88802bea7840 R14: ffff888029c38ae0 R15: ffff888000814ac0
FS:  0000000000000000(0000) GS:ffff88802c300000(0063) knlGS:0000000056f46400
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007fc80ea22440 CR3: 0000000025ff2000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 sysv_put_super+0x153/0x230 fs/sysv/inode.c:76
 generic_shutdown_super+0x159/0x3d0 fs/super.c:642
 kill_block_super+0x3b/0x90 fs/super.c:1676
 deactivate_locked_super+0xbe/0x1a0 fs/super.c:473
 deactivate_super+0xde/0x100 fs/super.c:506
 cleanup_mnt+0x222/0x450 fs/namespace.c:1267
 task_work_run+0x14e/0x250 kernel/task_work.c:180
 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:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x278/0x2a0 kernel/entry/common.c:218
 __do_fast_syscall_32+0x80/0x120 arch/x86/entry/common.c:389
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf731e579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000fff6aca8 EFLAGS: 00000292 ORIG_RAX: 0000000000000034
RAX: 0000000000000000 RBX: 00000000fff6ad50 RCX: 0000000000000009
RDX: 00000000f7474ff4 RSI: 00000000f73c5361 RDI: 00000000fff6bdf4
RBP: 00000000fff6ad50 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi