------------[ cut here ]------------
WARNING: CPU: 0 PID: 13044 at fs/ext4/inode.c:3725 ext4_iomap_begin+0x16b4/0x18f0 fs/ext4/inode.c:3725
Modules linked in:
CPU: 0 UID: 0 PID: 13044 Comm: syz.0.1414 Not tainted 6.15.0-next-20250606-syzkaller #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 77 c4 4c ff 41 bf e4 ff ff ff e9 12 ec ff ff e8 67 c4 4c ff e9 08 ec ff ff e8 5d c4 4c 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:ffffc9000b5af380 EFLAGS: 00010287
RAX: ffffffff82739a83 RBX: ffff88804920e2fa RCX: 0000000000080000
RDX: ffffc9000df59000 RSI: 00000000000001bd RDI: 00000000000001be
RBP: ffffc9000b5af518 R08: ffff88804920dff7 R09: 1ffff11009241bfe
R10: dffffc0000000000 R11: ffffed1009241bff R12: ffff88804920e238
R13: 1ffff11009241c5f R14: 0000000000000004 R15: 00000000000000d4
FS:  00007f18400a06c0(0000) GS:ffff888125c4d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff610c17000 CR3: 0000000052f68000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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
 do_iter_readv_writev+0x56e/0x7f0 fs/read_write.c:-1
 vfs_writev+0x31a/0x960 fs/read_write.c:1057
 do_pwritev fs/read_write.c:1153 [inline]
 __do_sys_pwritev2 fs/read_write.c:1211 [inline]
 __se_sys_pwritev2+0x179/0x290 fs/read_write.c:1202
 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: 0033:0x7f183f18e929
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:00007f18400a0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007f183f3b5fa0 RCX: 00007f183f18e929
RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000005
RBP: 00007f183f210b39 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f183f3b5fa0 R15: 00007fff9736ab88
 </TASK>