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 (5319)
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
BTRFS info (device loop0): relocating block group 5242880 flags data|metadata
BTRFS error (device loop0): bdev /dev/loop0 errs: wr 1, rd 1, flush 0, corrupt 0, gen 0
BTRFS error (device loop0 state A): Transaction aborted (error -5)
BTRFS: error (device loop0 state A) in __btrfs_update_delayed_inode:1028: errno=-5 IO failure
BTRFS info (device loop0 state EA): forced readonly
BTRFS: error (device loop0 state EA) in __btrfs_run_delayed_items:1162: errno=-5 IO failure
BTRFS warning (device loop0 state EA): Skipping commit of aborted transaction.
BTRFS: error (device loop0 state EA) in cleanup_transaction:2061: errno=-5 IO failure
------------[ cut here ]------------
inode->block_rsv.reserved
WARNING: fs/btrfs/inode.c:8139 at btrfs_destroy_inode+0x7d0/0x910 fs/btrfs/inode.c:8139, CPU#0: syz.0.0/5319
Modules linked in:
CPU: 0 UID: 0 PID: 5319 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_destroy_inode+0x7d0/0x910 fs/btrfs/inode.c:8139
Code: 2a fd ff e9 03 ff ff ff e8 3d af d6 fd 90 0f 0b 90 e9 bd f8 ff ff e8 2f af d6 fd 90 0f 0b 90 e9 e7 f8 ff ff e8 21 af d6 fd 90 <0f> 0b 90 e9 18 f9 ff ff e8 13 af d6 fd 90 0f 0b 90 e9 3f f9 ff ff
RSP: 0018:ffffc9000df1f880 EFLAGS: 00010287
RAX: ffffffff83ef343f RBX: 0000000000028000 RCX: 0000000000100000
RDX: ffffc9000ec62000 RSI: 000000000005f904 RDI: 000000000005f905
RBP: ffff888047a33390 R08: ffff888043672777 R09: 1ffff110086ce4ee
R10: dffffc0000000000 R11: ffffffff83ef2c70 R12: ffff888047a33600
R13: dffffc0000000000 R14: ffff888047a33730 R15: ffff888042c8a000
FS:  00007f8d3bade6c0(0000) GS:ffff88808ca49000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558e93f73298 CR3: 0000000041fcf000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 destroy_inode fs/inode.c:397 [inline]
 evict+0x8d4/0xb10 fs/inode.c:870
 btrfs_relocate_block_group+0x853/0xbc0 fs/btrfs/relocation.c:5431
 btrfs_relocate_chunk+0x115/0x820 fs/btrfs/volumes.c:3590
 __btrfs_balance+0x1db0/0x2ae0 fs/btrfs/volumes.c:4501
 btrfs_balance+0xafa/0x11f0 fs/btrfs/volumes.c:4888
 btrfs_ioctl_balance+0x3d3/0x610 fs/btrfs/ioctl.c:3452
 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: 0033:0x7f8d3ab9c819
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:00007f8d3baddfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8d3ae15fa0 RCX: 00007f8d3ab9c819
RDX: 0000200000000180 RSI: 00000000c4009420 RDI: 0000000000000005
RBP: 00007f8d3ac32c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8d3ae16038 R14: 00007f8d3ae15fa0 R15: 00007ffcf8028848
 </TASK>