------------[ cut here ]------------
WARNING: CPU: 2 PID: 14006 at fs/ext4/file.c:611 ext4_dio_write_iter fs/ext4/file.c:611 [inline]
WARNING: CPU: 2 PID: 14006 at fs/ext4/file.c:611 ext4_file_write_iter+0x14bf/0x1950 fs/ext4/file.c:720
Modules linked in:
CPU: 2 PID: 14006 Comm: syz-executor.1 Not tainted 6.5.0-rc6-syzkaller-00202-g4e7ffde6984a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:ext4_dio_write_iter fs/ext4/file.c:611 [inline]
RIP: 0010:ext4_file_write_iter+0x14bf/0x1950 fs/ext4/file.c:720
Code: 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 07 03 00 00 41 8b 6d 20 31 ff 83 e5 08 89 ee e8 4a b5 59 ff 85 ed 75 71 e8 d1 b9 59 ff <0f> 0b 0f b6 6c 24 10 31 ff 89 ee e8 f1 b4 59 ff 40 84 ed 75 35 e8
RSP: 0000:ffffc9002a167bf8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88804c5dc800 RSI: ffffffff822c4ecf RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000009401a R12: ffff888029e22ab0
R13: ffffc9002a167de0 R14: 0000000000000000 R15: fffffffffffffff5
FS:  0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:00000000f7f17b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000c01b282000 CR3: 0000000048ed9000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 call_write_iter include/linux/fs.h:1877 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x650/0xe40 fs/read_write.c:584
 ksys_write+0x12f/0x250 fs/read_write.c:637
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f3d579
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:00000000f7f175ac EFLAGS: 00000292 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020000200
RDX: 000000000003fe00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 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