r0 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./file1\x00', 0x101142, 0x0)
r1 = syz_open_dev$loop(&(0x7f0000001140), 0xc9cf, 0x8441)
ioctl$INCFS_IOC_GET_FILLED_BLOCKS(0xffffffffffffffff, 0x80286722, 0x0)
ioctl$LOOP_SET_FD(r1, 0x4c00, r0)