r0 = syz_open_dev$tty20(0xc, 0x4, 0x1)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/power/image_size', 0x0, 0x0)
sendfile(r0, r1, 0x0, 0x2)