------------[ cut here ]------------
WARNING: CPU: 1 PID: 8219 at fs/ext4/inode.c:3418 ext4_iomap_begin+0x1aa/0x780 fs/ext4/inode.c:3418
Modules linked in:
CPU: 1 PID: 8219 Comm: syz-executor.5 Not tainted 5.19.0-rc8-syzkaller-00168-g334c0ef6429f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:ext4_iomap_begin+0x1aa/0x780 fs/ext4/inode.c:3418
Code: 83 c0 01 38 d0 7c 08 84 d2 0f 85 d8 05 00 00 41 0f b7 9f c2 05 00 00 31 ff 89 de e8 40 50 5b ff 66 85 db 74 5c e8 16 54 5b ff <0f> 0b 41 bd de ff ff ff e8 09 54 5b ff 48 b8 00 00 00 00 00 fc ff
RSP: 0018:ffffc900030a7260 EFLAGS: 00010212
RAX: 000000000002234d RBX: 00000000000000bc RCX: ffffc9000c0e2000
RDX: 0000000000040000 RSI: ffffffff821e480a RDI: 0000000000000003
RBP: 0000000000000150 R08: 0000000000000003 R09: 0000000000000000
R10: 00000000000000bc R11: 0000000000000001 R12: 000000000000000c
R13: ffff8880316ef47a R14: ffffc900030a7550 R15: ffff8880316ef3b0
FS:  00007f93a71f6700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f64bfe13f00 CR3: 0000000086774000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 iomap_iter+0x454/0x1110 fs/iomap/iter.c:74
 __iomap_dio_rw+0x6b6/0x1a80 fs/iomap/direct-io.c:600
 iomap_dio_rw+0x3c/0xa0 fs/iomap/direct-io.c:689
 ext4_dio_write_iter fs/ext4/file.c:566 [inline]
 ext4_file_write_iter+0xe50/0x1520 fs/ext4/file.c:677
 call_write_iter include/linux/fs.h:2058 [inline]
 do_iter_readv_writev+0x3d1/0x640 fs/read_write.c:742
 do_iter_write+0x182/0x700 fs/read_write.c:868
 vfs_iter_write+0x70/0xa0 fs/read_write.c:909
 iter_file_splice_write+0x6fa/0xc10 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0x110/0x180 fs/splice.c:936
 splice_direct_to_actor+0x34b/0x8c0 fs/splice.c:891
 do_splice_direct+0x1a7/0x270 fs/splice.c:979
 do_sendfile+0xb19/0x1270 fs/read_write.c:1262
 __do_sys_sendfile64 fs/read_write.c:1330 [inline]
 __se_sys_sendfile64 fs/read_write.c:1316 [inline]
 __x64_sys_sendfile64+0x1cc/0x210 fs/read_write.c:1316
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f93a6089209
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f93a71f6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f93a619bf60 RCX: 00007f93a6089209
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004
RBP: 00007f93a60e3161 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffdffa R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe54417d2f R14: 00007f93a71f6300 R15: 0000000000022000
 </TASK>