------------[ cut here ]------------
WARNING: CPU: 0 PID: 6353 at fs/ext4/inode.c:3725 ext4_iomap_begin+0x16b4/0x18f0 fs/ext4/inode.c:3725
Modules linked in:
CPU: 0 UID: 0 PID: 6353 Comm: syz.3.67 Not tainted 6.16.0-rc6-syzkaller-00002-g155a3c003e55 #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 97 e9 4e ff 41 bf e4 ff ff ff e9 12 ec ff ff e8 87 e9 4e ff e9 08 ec ff ff e8 7d e9 4e 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:ffffc9000bbd7500 EFLAGS: 00010287
RAX: ffffffff827148d3 RBX: ffff88805b47e2fa RCX: 0000000000080000
RDX: ffffc9000c74b000 RSI: 00000000000001fb RDI: 00000000000001fc
RBP: ffffc9000bbd7698 R08: ffff88805b47dff7 R09: 1ffff1100b68fbfe
R10: dffffc0000000000 R11: ffffed100b68fbff R12: ffff88805b47e238
R13: 1ffff1100b68fc5f R14: 0000000000000020 R15: 00000000000000d4
FS:  00007f6b4c6866c0(0000) GS:ffff888125c4f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f94786ff000 CR3: 00000000281ec000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 iomap_iter+0x537/0xdf0 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+0x54b/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: 0033:0x7f6b4b78e929
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:00007f6b4c686038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f6b4b9b5fa0 RCX: 00007f6b4b78e929
RDX: 0000000000000001 RSI: 0000200000000880 RDI: 0000000000000004
RBP: 00007f6b4b810b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000010001 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6b4b9b5fa0 R15: 00007ffe34f4f2d8
 </TASK>