------------[ cut here ]------------
WARNING: CPU: 0 PID: 8827 at fs/ext4/inode.c:3465 ext4_iomap_begin+0xa8f/0xd20
Modules linked in:
CPU: 0 PID: 8827 Comm: syz.8.917 Not tainted 6.1.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:ext4_iomap_begin+0xa8f/0xd20 fs/ext4/inode.c:3465
Code: d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ba 22 51 ff 49 be 00 00 00 00 00 fc ff df 48 8b 5c 24 48 e9 65 ff ff ff e8 a1 22 51 ff <0f> 0b 41 bc de ff ff ff e9 97 f6 ff ff 89 d9 80 e1 07 38 c1 0f 8c
RSP: 0018:ffffc90004d2f580 EFLAGS: 00010283
RAX: ffffffff8239871f RBX: 0000000010000000 RCX: 0000000000080000
RDX: ffffc90005c09000 RSI: 00000000000046c0 RDI: 00000000000046c1
RBP: ffffc90004d2f6f0 R08: ffffffff82397e74 R09: ffffed100a18c650
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000000000d4
R13: 1ffff1100a18c6b4 R14: 000000000000000b R15: 0000000000000000
FS: 00007f1f821de6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000067267000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
iomap_iter+0x6d8/0x10a0 fs/iomap/iter.c:91
__iomap_dio_rw+0xde9/0x2130 fs/iomap/direct-io.c:601
iomap_dio_rw+0x42/0xa0 fs/iomap/direct-io.c:690
ext4_dio_write_iter fs/ext4/file.c:557 [inline]
ext4_file_write_iter+0x1513/0x1930 fs/ext4/file.c:677
call_write_iter include/linux/fs.h:2265 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x857/0xbc0 fs/read_write.c:584
ksys_write+0x19c/0x2c0 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f1f8238d169
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:00007f1f821de038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1f825a6080 RCX: 00007f1f8238d169
RDX: 0000000000000078 RSI: 0000200000000640 RDI: 0000000000000004
RBP: 00007f1f8240e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1f825a6080 R15: 00007fff476f0798
</TASK>