r0 = openat$urandom(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0)
r1 = openat$sr(0xffffffffffffff9c, &(0x7f0000000440), 0x145802, 0x0)
sendfile(r1, r0, 0x0, 0x800000fdef)