loop0: detected capacity change from 0 to 512
EXT4-fs: Ignoring removed bh option
EXT4-fs error (device loop0): __ext4_iget:5464: inode #15: block 1803188595: comm syz.0.0: invalid block
EXT4-fs error (device loop0): ext4_orphan_get:1397: comm syz.0.0: couldn't read orphan inode 15 (err -117)
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
loop0: detected capacity change from 512 to 64
EXT4-fs error (device loop0): ext4_do_update_inode:5653: inode #18: comm syz.0.0: corrupted inode contents
EXT4-fs error (device loop0): ext4_write_end:1472: inode #18: comm syz.0.0: mark_inode_dirty error
EXT4-fs error (device loop0): ext4_do_update_inode:5653: inode #18: comm syz.0.0: corrupted inode contents
EXT4-fs error (device loop0): ext4_dirty_inode:6538: inode #18: comm syz.0.0: mark_inode_dirty error
------------[ cut here ]------------
kernel BUG at fs/ext4/mballoc.c:4755!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5352 Comm: syz.0.0 Not tainted 6.17.0-rc1-syzkaller-00211-g90d970cade8e #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_mb_use_inode_pa+0x6c1/0x720 fs/ext4/mballoc.c:4755
Code: e8 d4 c7 aa ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 10 e0 45 ff 90 0f 0b e8 08 e0 45 ff 90 0f 0b e8 00 e0 45 ff 90 <0f> 0b e8 f8 df 45 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc9000d3d67e8 EFLAGS: 00010283
RAX: ffffffff8279db40 RBX: 00000000ffffff98 RCX: 0000000000100000
RDX: ffffc9000e092000 RSI: 000000000000e6eb RDI: 000000000000e6ec
RBP: 1ffff1100875f8b5 R08: ffff888043afd5eb R09: 1ffff1100875fabd
R10: dffffc0000000000 R11: ffffed100875fabe R12: 0000000000000000
R13: 0000000000000074 R14: 1ffff1100875fac0 R15: ffff888043afd600
FS:  00007f0e239f56c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000001d000 CR3: 00000000434b3000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ext4_mb_use_preallocated+0x660/0x13f0 fs/ext4/mballoc.c:4972
 ext4_mb_new_blocks+0x5b4/0x4720 fs/ext4/mballoc.c:6276
 ext4_alloc_branch fs/ext4/indirect.c:340 [inline]
 ext4_ind_map_blocks+0xe21/0x21b0 fs/ext4/indirect.c:635
 ext4_map_create_blocks fs/ext4/inode.c:611 [inline]
 ext4_map_blocks+0x7fe/0x1740 fs/ext4/inode.c:811
 mpage_map_one_extent fs/ext4/inode.c:2374 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2468 [inline]
 ext4_do_writepages+0x16a1/0x4610 fs/ext4/inode.c:2931
 ext4_writepages+0x205/0x350 fs/ext4/inode.c:3025
 do_writepages+0x32b/0x550 mm/page-writeback.c:2634
 filemap_fdatawrite_wbc mm/filemap.c:386 [inline]
 __filemap_fdatawrite_range mm/filemap.c:419 [inline]
 file_write_and_wait_range+0x23e/0x340 mm/filemap.c:794
 generic_buffers_fsync_noflush+0x6c/0x180 fs/buffer.c:609
 ext4_fsync_nojournal fs/ext4/fsync.c:88 [inline]
 ext4_sync_file+0x332/0xb20 fs/ext4/fsync.c:147
 generic_write_sync include/linux/fs.h:3042 [inline]
 ext4_buffered_write_iter+0x2ca/0x3a0 fs/ext4/file.c:305
 ext4_file_write_iter+0x298/0x1bc0 fs/ext4/file.c:-1
 aio_write+0x532/0x7a0 fs/aio.c:1634
 __io_submit_one fs/aio.c:-1 [inline]
 io_submit_one+0x78b/0x1310 fs/aio.c:2053
 __do_sys_io_submit fs/aio.c:2112 [inline]
 __se_sys_io_submit+0x185/0x2f0 fs/aio.c:2082
 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: 0033:0x7f0e2758ebe9
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:00007f0e239f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007f0e277b5fa0 RCX: 00007f0e2758ebe9
RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007f0e282f1000
RBP: 00007f0e27611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0e277b6038 R14: 00007f0e277b5fa0 R15: 00007ffe71e37a88
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_mb_use_inode_pa+0x6c1/0x720 fs/ext4/mballoc.c:4755
Code: e8 d4 c7 aa ff 48 ba 00 00 00 00 00 fc ff df e9 da fa ff ff e8 10 e0 45 ff 90 0f 0b e8 08 e0 45 ff 90 0f 0b e8 00 e0 45 ff 90 <0f> 0b e8 f8 df 45 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc9000d3d67e8 EFLAGS: 00010283
RAX: ffffffff8279db40 RBX: 00000000ffffff98 RCX: 0000000000100000
RDX: ffffc9000e092000 RSI: 000000000000e6eb RDI: 000000000000e6ec
RBP: 1ffff1100875f8b5 R08: ffff888043afd5eb R09: 1ffff1100875fabd
R10: dffffc0000000000 R11: ffffed100875fabe R12: 0000000000000000
R13: 0000000000000074 R14: 1ffff1100875fac0 R15: ffff888043afd600
FS:  00007f0e239f56c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000001d000 CR3: 00000000434b3000 CR4: 0000000000352ef0