loop0: detected capacity change from 0 to 32768
(syz.0.0,5320,0):ocfs2_check_set_options:1244 ERROR: Invalid heartbeat mount options
(syz.0.0,5320,0):ocfs2_fill_super:1177 ERROR: status = -22
loop0: detected capacity change from 0 to 32768
btrfs: Deprecated parameter 'usebackuproot'
BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5320)
BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
BTRFS info (device loop0): using crc32c checksum algorithm
BTRFS info (device loop0): rebuilding free space tree
BTRFS info (device loop0): enabling ssd optimizations
BTRFS info (device loop0): using spread ssd allocation scheme
BTRFS info (device loop0): turning on flush-on-commit
BTRFS info (device loop0): enabling free space tree
BTRFS info (device loop0): force clearing of disk cache
BTRFS info (device loop0): trying to use backup root at mount time
BTRFS info (device loop0): force zlib compression, level 3
BTRFS info (device loop0): balance: start -d -m
BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: fs/btrfs/volumes.c:3470 at btrfs_remove_chunk+0xe0d/0x15a0 fs/btrfs/volumes.c:3470, CPU#0: syz.0.0/5320
Modules linked in:
CPU: 0 UID: 0 PID: 5320 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 04/01/2014
RIP: 0010:btrfs_remove_chunk+0xe10/0x15a0 fs/btrfs/volumes.c:3470
Code: 13 d5 fd e9 ee 00 00 00 e8 dd 24 ba fd 84 c0 74 23 e8 84 13 d5 fd e9 db 00 00 00 e8 7a 13 d5 fd 48 8d 3d 43 05 2a 0c 44 89 ee <67> 48 0f b9 3a e9 02 01 00 00 e8 d1 03 ae 07 89 c3 31 ff 89 c6 e8
RSP: 0018:ffffc9000fc3f940 EFLAGS: 00010287
RAX: ffffffff83ef7416 RBX: ffff888037f80001 RCX: 0000000000100000
RDX: ffffc9000f2f2000 RSI: 00000000ffffffe4 RDI: ffffffff90197960
RBP: ffffc9000fc3fa90 R08: ffff888032e1c900 R09: 0000000000000003
R10: 00000000fffffffb R11: 0000000000000002 R12: ffff888047e2bde0
R13: ffffffffffffffe4 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f7d48a196c0(0000) GS:ffff88808cabd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1893bdd8c0 CR3: 0000000038a20000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 btrfs_relocate_chunk_finish fs/btrfs/volumes.c:3557 [inline]
 btrfs_relocate_chunk+0x3e7/0x810 fs/btrfs/volumes.c:3611
 __btrfs_balance+0x1add/0x26d0 fs/btrfs/volumes.c:4486
 btrfs_balance+0xafa/0x11f0 fs/btrfs/volumes.c:4873
 btrfs_ioctl_balance+0x3d3/0x610 fs/btrfs/ioctl.c:3446
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7d47b9bf79
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7d48a19028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7d47e15fa0 RCX: 00007f7d47b9bf79
RDX: 0000200000000180 RSI: 00000000c4009420 RDI: 0000000000000006
RBP: 00007f7d47c327e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7d47e16038 R14: 00007f7d47e15fa0 R15: 00007ffe2b30cd18
 </TASK>
----------------
Code disassembly (best guess):
   0:	13 d5                	adc    %ebp,%edx
   2:	fd                   	std
   3:	e9 ee 00 00 00       	jmp    0xf6
   8:	e8 dd 24 ba fd       	call   0xfdba24ea
   d:	84 c0                	test   %al,%al
   f:	74 23                	je     0x34
  11:	e8 84 13 d5 fd       	call   0xfdd5139a
  16:	e9 db 00 00 00       	jmp    0xf6
  1b:	e8 7a 13 d5 fd       	call   0xfdd5139a
  20:	48 8d 3d 43 05 2a 0c 	lea    0xc2a0543(%rip),%rdi        # 0xc2a056a
  27:	44 89 ee             	mov    %r13d,%esi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 02 01 00 00       	jmp    0x136
  34:	e8 d1 03 ae 07       	call   0x7ae040a
  39:	89 c3                	mov    %eax,%ebx
  3b:	31 ff                	xor    %edi,%edi
  3d:	89 c6                	mov    %eax,%esi
  3f:	e8                   	.byte 0xe8