------------[ cut here ]------------
WARNING: CPU: 1 PID: 8051 at fs/ext4/inode.c:3725 ext4_iomap_begin+0x16b4/0x18f0 fs/ext4/inode.c:3725
Modules linked in:
CPU: 1 UID: 0 PID: 8051 Comm: syz.6.265 Not tainted 6.16.0-rc6-syzkaller-00253-g4871b7cb27f4 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:ext4_iomap_begin+0x16b4/0x18f0 fs/ext4/inode.c:3725
Code: db 44 0f 45 fb e9 22 ec ff ff e8 37 59 50 ff 41 bf e4 ff ff ff e9 12 ec ff ff e8 27 59 50 ff e9 08 ec ff ff e8 1d 59 50 ff 90 <0f> 0b 90 41 bf de ff ff ff 49 be 00 00 00 00 00 fc ff df e9 ed ef
RSP: 0018:ffffc90003377500 EFLAGS: 00010293
RAX: ffffffff826fceb3 RBX: ffff888057ffa99a RCX: ffff88802d6e9e00
RDX: 0000000000000000 RSI: 00000000000000d4 RDI: 0000000000000000
RBP: ffffc90003377698 R08: ffff888057ffa697 R09: 1ffff1100afff4d2
R10: dffffc0000000000 R11: ffffed100afff4d3 R12: ffff888057ffa8d8
R13: 1ffff1100afff533 R14: 0000000000000020 R15: 00000000000000d4
FS:  00007fcdab45d6c0(0000) GS:ffff888125d59000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcdab43af40 CR3: 0000000032012000 CR4: 00000000003526f0
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:580 [inline]
 ext4_file_write_iter+0x16a2/0x1bc0 fs/ext4/file.c:721
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x548/0xa90 fs/read_write.c:686
 ksys_pwrite64 fs/read_write.c:793 [inline]
 __do_sys_pwrite64 fs/read_write.c:801 [inline]
 __se_sys_pwrite64 fs/read_write.c:798 [inline]
 __x64_sys_pwrite64+0x193/0x220 fs/read_write.c:798
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcdaa58e9a9
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:00007fcdab45d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fcdaa7b5fa0 RCX: 00007fcdaa58e9a9
RDX: 0000000000000001 RSI: 0000200000000880 RDI: 0000000000000004
RBP: 00007fcdaa610d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000010001 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fcdaa7b5fa0 R15: 00007ffc3d2e3c18
 </TASK>