ioctl$FS_IOC_GETFSMAP(r1, 0xc0c0583b, &(0x7f0000000080)={0x0, 0xfdfdffff, 0x102, 0x0, '\x00', [{}, {0x800, 0x0, 0x400000000000000}], ['\x00']}) unshare(0x48020200) BUG: leak checking failed