loop0: detected capacity change from 0 to 512
=======================================================
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled
EXT4-fs error (device loop0): ext4_get_branch:178: inode #11: block 4294967295: comm syz.0.0: invalid block
EXT4-fs error (device loop0): ext4_free_branches:1023: inode #11: comm syz.0.0: invalid indirect mapped block 4294967295 (level 1)
EXT4-fs error (device loop0): ext4_free_branches:1023: inode #11: comm syz.0.0: invalid indirect mapped block 4294967295 (level 1)
EXT4-fs (loop0): 2 truncates cleaned up
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5360 at fs/ext4/inode.c:3794 ext4_iomap_begin+0x16c5/0x1900 fs/ext4/inode.c:3794
Modules linked in:
CPU: 0 UID: 0 PID: 5360 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
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 3e ae 4a ff c7 44 24 20 09 00 00 00 e9 18 f5 ff ff e8 2c ae 4a 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:ffffc9000d4df0a0 EFLAGS: 00010293
RAX: ffffffff82752084 RBX: ffff888044262690 RCX: ffff888000294880
RDX: 0000000000000000 RSI: 00000000000000d4 RDI: 0000000000000000
RBP: ffffc9000d4df238 R08: ffff888044262697 R09: 1ffff1100884c4d2
R10: dffffc0000000000 R11: ffffed100884c4d3 R12: dffffc0000000000
R13: 1ffff1100884c533 R14: 0000000000000000 R15: 00000000000000d4
FS:  00007f63aad886c0(0000) GS:ffff88808d20a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001740 CR3: 0000000040012000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 iomap_iter+0x531/0xde0 fs/iomap/iter.c:108
 __iomap_dio_rw+0xc57/0x1e30 fs/iomap/direct-io.c:728
 iomap_dio_rw+0x45/0xb0 fs/iomap/direct-io.c:818
 ext4_dio_write_iter fs/ext4/file.c:580 [inline]
 ext4_file_write_iter+0x16a2/0x1bc0 fs/ext4/file.c:721
 iter_file_splice_write+0x972/0x10e0 fs/splice.c:738
 do_splice_from fs/splice.c:938 [inline]
 direct_splice_actor+0x101/0x160 fs/splice.c:1161
 splice_direct_to_actor+0x5a5/0xcc0 fs/splice.c:1105
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1230
 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f63a9f8eba9
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:00007f63aad88038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f63aa1d5fa0 RCX: 00007f63a9f8eba9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f63aa011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f63aa1d6038 R14: 00007f63aa1d5fa0 R15: 00007ffef072c428
 </TASK>