write$cgroup_freezer_state(r1, &(0x7f0000000240)='FROZEN\x00', 0x7) (async)
ioctl$BTRFS_IOC_QGROUP_ASSIGN(0xffffffffffffffff, 0x40189429, &(0x7f0000000040)={0x1, 0x5, 0x816c})
openat$cgroup_ro(r0, &(0x7f00000000c0)='blkio.bfq.avg_queue_size\x00', 0x0, 0x0)
2022/09/27 05:41:06 SYZFATAL: executor 4 failed 11 times: failed to create temp dir: mkdir ./syzkaller-testdir1206816625: no space left on device