ioctl$BTRFS_IOC_BALANCE_PROGRESS(r4, 0x84009422, &(0x7f0000000400)={0x0, 0x0, {}, {}, {0x0, @struct, <r5=>0x0}})
ioctl$BTRFS_IOC_RM_DEV_V2(r1, 0x5000943a, &(0x7f00000004c0)={{r1}, 0x0, 0x10, @unused=[0x3, 0x5, 0x200, 0x6], @devid=r5})
BUG: leak checking failed