------------[ cut here ]------------
WARNING: CPU: 0 PID: 15544 at fs/ext4/file.c:611 ext4_file_write_iter+0x19d6/0x1b10 fs/ext4/file.c:720
Modules linked in:
CPU: 0 PID: 15544 Comm: syz-executor.3 Not tainted 6.5.0-syzkaller-04808-g6c1b980a7e79 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:ext4_dio_write_iter fs/ext4/file.c:611 [inline]
RIP: 0010:ext4_file_write_iter+0x19d6/0x1b10 fs/ext4/file.c:720
Code: c5 fa ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c af e7 ff ff 4c 89 f7 e8 a7 e9 aa ff e9 a2 e7 ff ff 4d 89 ef e8 0a 30 51 ff <0f> 0b e9 25 fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c bf e7 ff
RSP: 0018:ffffc900050b7b00 EFLAGS: 00010293
RAX: ffffffff823c43c6 RBX: fffffffffffffff5 RCX: ffff8880157c3b80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900050b7cb0 R08: ffffffff823c40d6 R09: 1ffffffff20dd673
R10: dffffc0000000000 R11: fffffbfff20dd674 R12: 0000000008800000
R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f9cbf9116c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9cbf8eff00 CR3: 0000000041094000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 call_write_iter include/linux/fs.h:1985 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x782/0xaf0 fs/read_write.c:584
 ksys_write+0x1a0/0x2c0 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9cbec7cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9cbf9110c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9cbed9c120 RCX: 00007f9cbec7cae9
RDX: 00000000175d9003 RSI: 0000000020000200 RDI: 0000000000000004
RBP: 00007f9cbecc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f9cbed9c120 R15: 00007ffdcc218f48
 </TASK>