mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
read(r0, &(0x7f0000000000), 0x2058)