prlimit64(0x0, 0x2, &(0x7f0000000040), 0x0) mprotect(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x0) pkey_mprotect(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0xa, 0xffffffffffffffff)