------------[ cut here ]------------
WARNING: CPU: 1 PID: 5345 at fs/ext4/inode.c:3326 ext4_iomap_begin+0xa9b/0xd30
Modules linked in:
CPU: 1 PID: 5345 Comm: syz-executor.0 Not tainted 6.4.0-rc6-syzkaller-00242-g1639fae5132b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:ext4_iomap_begin+0xa9b/0xd30 fs/ext4/inode.c:3326
Code: d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 be 8c 4f ff 49 be 00 00 00 00 00 fc ff df 48 8b 5c 24 48 e9 65 ff ff ff e8 a5 8c 4f ff <0f> 0b 41 bc de ff ff ff e9 8f f6 ff ff 89 d9 80 e1 07 38 c1 0f 8c
RSP: 0018:ffffc9000612f300 EFLAGS: 00010287
RAX: ffffffff823bf2fb RBX: 0000000010000000 RCX: 0000000000040000
RDX: ffffc90003cb1000 RSI: 0000000000015fc4 RDI: 0000000000015fc5
RBP: ffffc9000612f470 R08: ffffffff823bea48 R09: ffffed10084cb8cb
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000000000bc
R13: 1ffff110084cb92f R14: 000000000000000b R15: 0000000000000020
FS:  00007fb0c1dd8700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e1568f4018 CR3: 0000000078f2f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 iomap_iter+0x677/0xec0 fs/iomap/iter.c:91
 __iomap_dio_rw+0xe1b/0x22e0 fs/iomap/direct-io.c:597
 iomap_dio_rw+0x46/0xa0 fs/iomap/direct-io.c:688
 ext4_dio_read_iter fs/ext4/file.c:94 [inline]
 ext4_file_read_iter+0x50f/0x670 fs/ext4/file.c:145
 call_read_iter include/linux/fs.h:1862 [inline]
 generic_file_splice_read+0x240/0x640 fs/splice.c:419
 do_splice_to fs/splice.c:902 [inline]
 splice_direct_to_actor+0x40c/0xbd0 fs/splice.c:973
 do_splice_direct+0x283/0x3d0 fs/splice.c:1082
 do_sendfile+0x620/0xff0 fs/read_write.c:1254
 __do_sys_sendfile64 fs/read_write.c:1322 [inline]
 __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb0c108c389
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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:00007fb0c1dd8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fb0c11abf80 RCX: 00007fb0c108c389
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006
RBP: 00007fb0c10d7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc4f9a14ff R14: 00007fb0c1dd8300 R15: 0000000000022000
 </TASK>