------------[ cut here ]------------
WARNING: CPU: 0 PID: 10738 at fs/ext4/inode.c:3415 ext4_iomap_begin+0x967/0xad0 fs/ext4/inode.c:3415
Modules linked in:
CPU: 0 UID: 0 PID: 10738 Comm: syz.5.536 Not tainted 6.15.0-rc7-syzkaller-00142-g4856ebd99715 #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 e9 ca 50 e3 08 cc e8 44 ea 50 ff e9 73 ff ff ff e8 3a ea 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:ffffc900032f7560 EFLAGS: 00010293
RAX: ffffffff826f06a6 RBX: ffff88805bdb9782 RCX: ffff88802b7f8000
RDX: 0000000000000000 RSI: 00000000000000d4 RDI: 0000000000000000
RBP: ffffc900032f76b8 R08: ffff88805bdb9427 R09: 1ffff1100b7b7284
R10: dffffc0000000000 R11: ffffed100b7b7285 R12: 00000000000000d4
R13: 1ffff1100b7b72f0 R14: 000000000000000a R15: 0000000000000000
FS:  00007fc8c3f706c0(0000) GS:ffff8881260f6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe5e71f5feb CR3: 000000004be7e000 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: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: 0033:0x7fc8c318e969
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:00007fc8c3f70038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc8c33b6080 RCX: 00007fc8c318e969
RDX: 000000000000045c RSI: 0000200000000380 RDI: 0000000000000005
RBP: 00007fc8c3210ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc8c33b6080 R15: 00007fff1887fe58
 </TASK>