------------[ cut here ]------------
WARNING: CPU: 1 PID: 9260 at fs/ext4/inode.c:3415 ext4_iomap_begin+0x967/0xad0 fs/ext4/inode.c:3415
Modules linked in:
CPU: 1 UID: 0 PID: 9260 Comm: syz.4.355 Not tainted 6.15.0-rc6-syzkaller-00188-gfee3e843b309 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:ext4_iomap_begin+0x967/0xad0 fs/ext4/inode.c:3415
Code: 00 75 74 44 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 04 ec 50 ff e9 73 ff ff ff e8 fa eb 50 ff 90 <0f> 0b 90 41 be de ff ff ff 49 bf 00 00 00 00 00 fc ff df eb 82 89
RSP: 0018:ffffc9000b547560 EFLAGS: 00010293
RAX: ffffffff826f0506 RBX: ffff888074a30d9a RCX: ffff88802ee83c00
RDX: 0000000000000000 RSI: 00000000000000d4 RDI: 0000000000000000
RBP: ffffc9000b5476b8 R08: ffff888074a30a3f R09: 1ffff1100e946147
R10: dffffc0000000000 R11: ffffed100e946148 R12: 00000000000000d4
R13: 1ffff1100e9461b3 R14: 000000000000000a R15: 0000000000000000
FS:  00007f4c223256c0(0000) GS:ffff8881261f9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f74f3d25000 CR3: 000000007d760000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 iomap_iter+0x53a/0xdf0 fs/iomap/iter.c:109
 __iomap_dio_rw+0xc67/0x1e40 fs/iomap/direct-io.c:733
 iomap_dio_rw+0x45/0xb0 fs/iomap/direct-io.c:823
 ext4_dio_write_iter fs/ext4/file.c:575 [inline]
 ext4_file_write_iter+0x16a2/0x1bc0 fs/ext4/file.c:716
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0x54b/0xa90 fs/read_write.c:684
 ksys_write+0x145/0x250 fs/read_write.c:736
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4c2158e969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c22325038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4c217b6080 RCX: 00007f4c2158e969
RDX: 0000000000001006 RSI: 0000200000001180 RDI: 0000000000000005
RBP: 00007f4c21610ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4c217b6080 R15: 00007fff2f0331d8
 </TASK>