read(0xffffffffffffffff, 0x0, 0x0)
r0 = openat$sr(0xffffffffffffff9c, &(0x7f0000000040), 0x1ed982, 0x0)
r1 = syz_open_dev$loop(&(0x7f0000000080), 0x4, 0x0)
ioctl$LOOP_SET_FD(r1, 0x4c00, r0)