------------[ cut here ]------------
WARNING: CPU: 1 PID: 7249 at fs/ext4/inode.c:3794 ext4_iomap_begin+0x16c5/0x1900 fs/ext4/inode.c:3794
Modules linked in:
CPU: 1 UID: 0 PID: 7249 Comm: syz.6.165 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:ext4_iomap_begin+0x16c5/0x1900 fs/ext4/inode.c:3794
Code: 24 18 39 c3 0f 42 c3 41 01 c7 41 89 dc e9 3c f5 ff ff e8 ae 02 52 ff c7 44 24 20 09 00 00 00 e9 18 f5 ff ff e8 9c 02 52 ff 90 <0f> 0b 90 41 be de ff ff ff 4c 8b 7c 24 70 e9 18 ed ff ff 89 d9 80
RSP: 0018:ffffc90004b67380 EFLAGS: 00010293
RAX: ffffffff826c4aa4 RBX: ffff888063d88050 RCX: ffff88802abdbc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004b67518 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed100c7b100b R12: dffffc0000000000
R13: 1ffff1100c7b1087 R14: 0000000000000008 R15: 00000000000000d4
FS:  00007f9577cfe6c0(0000) GS:ffff888126ccb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000048da2000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 iomap_iter+0x534/0xde0 fs/iomap/iter.c:108
 __iomap_dio_rw+0xc5a/0x1e60 fs/iomap/direct-io.c:731
 iomap_dio_rw+0x45/0xb0 fs/iomap/direct-io.c:821
 ext4_dio_write_iter fs/ext4/file.c:580 [inline]
 ext4_file_write_iter+0x16ae/0x1be0 fs/ext4/file.c:721
 do_iter_readv_writev+0x632/0x8d0 fs/read_write.c:-1
 vfs_writev+0x323/0x970 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+0x17c/0x2a0 fs/read_write.c:1202
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9579a9eec9
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:00007f9577cfe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007f9579cf5fa0 RCX: 00007f9579a9eec9
RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000007
RBP: 00007f9579b21f91 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9579cf6038 R14: 00007f9579cf5fa0 R15: 00007ffd93c30108
 </TASK>