loop0: detected capacity change from 0 to 512
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
------------[ cut here ]------------
kernel BUG at fs/ext4/mballoc.c:4687!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted 6.13.0-rc3-syzkaller-00209-g499551201b5f #0
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+0x690/0x700 fs/ext4/mballoc.c:4687
Code: 40 6e af 8e 4c 89 e6 48 89 ea e8 fb d1 9b 02 e9 be fc ff ff e8 a1 93 40 ff 90 0f 0b e8 99 93 40 ff 90 0f 0b e8 91 93 40 ff 90 <0f> 0b e8 89 93 40 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc9000d2c6648 EFLAGS: 00010287
RAX: ffffffff825ee05f RBX: 00000000ffffffc0 RCX: 0000000000100000
RDX: ffffc9000ed5a000 RSI: 0000000000008583 RDI: 0000000000008584
RBP: 0000000000000000 R08: ffffffff825edd5f R09: 1ffff110087c8083
R10: dffffc0000000000 R11: ffffed10087c8084 R12: ffff888043e40430
R13: 1ffff110087c363d R14: 0000000000000060 R15: 1ffff110087c8086
FS:  00007f92967da6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f92967b8fe0 CR3: 0000000042c12000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_use_preallocated+0x680/0x1420 fs/ext4/mballoc.c:4904
 ext4_mb_new_blocks+0x6ef/0x4e00 fs/ext4/mballoc.c:6208
 ext4_alloc_branch fs/ext4/indirect.c:340 [inline]
 ext4_ind_map_blocks+0x108c/0x29e0 fs/ext4/indirect.c:635
 ext4_map_create_blocks fs/ext4/inode.c:518 [inline]
 ext4_map_blocks+0x85d/0x1990 fs/ext4/inode.c:702
 mpage_map_one_extent fs/ext4/inode.c:2219 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2272 [inline]
 ext4_do_writepages+0x15ac/0x3df0 fs/ext4/inode.c:2735
 ext4_writepages+0x213/0x3c0 fs/ext4/inode.c:2824
 do_writepages+0x35f/0x880 mm/page-writeback.c:2702
 filemap_fdatawrite_wbc mm/filemap.c:397 [inline]
 __filemap_fdatawrite_range mm/filemap.c:430 [inline]
 file_write_and_wait_range+0x2a3/0x3c0 mm/filemap.c:787
 generic_buffers_fsync_noflush+0x71/0x180 fs/buffer.c:600
 ext4_fsync_nojournal fs/ext4/fsync.c:88 [inline]
 ext4_sync_file+0x40a/0xb90 fs/ext4/fsync.c:151
 generic_write_sync include/linux/fs.h:2904 [inline]
 ext4_buffered_write_iter+0x284/0x350 fs/ext4/file.c:305
 ext4_file_write_iter+0x892/0x1c50
 aio_write+0x56b/0x7c0 fs/aio.c:1633
 io_submit_one+0x8a7/0x18a0 fs/aio.c:2052
 __do_sys_io_submit fs/aio.c:2111 [inline]
 __se_sys_io_submit+0x171/0x2e0 fs/aio.c:2081
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9295985d29
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:00007f92967da038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007f9295b75fa0 RCX: 00007f9295985d29
RDX: 0000000020000540 RSI: 000000000000003b RDI: 00007f9296790000
RBP: 00007f9295a01aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9295b75fa0 R15: 00007ffcbaa6c6f8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_mb_use_inode_pa+0x690/0x700 fs/ext4/mballoc.c:4687
Code: 40 6e af 8e 4c 89 e6 48 89 ea e8 fb d1 9b 02 e9 be fc ff ff e8 a1 93 40 ff 90 0f 0b e8 99 93 40 ff 90 0f 0b e8 91 93 40 ff 90 <0f> 0b e8 89 93 40 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc9000d2c6648 EFLAGS: 00010287
RAX: ffffffff825ee05f RBX: 00000000ffffffc0 RCX: 0000000000100000
RDX: ffffc9000ed5a000 RSI: 0000000000008583 RDI: 0000000000008584
RBP: 0000000000000000 R08: ffffffff825edd5f R09: 1ffff110087c8083
R10: dffffc0000000000 R11: ffffed10087c8084 R12: ffff888043e40430
R13: 1ffff110087c363d R14: 0000000000000060 R15: 1ffff110087c8086
FS:  00007f92967da6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f92967b8fe0 CR3: 0000000042c12000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400