mlock(&(0x7f0000873000/0x4000)=nil, 0x4000) munmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) pkey_mprotect(&(0x7f0000871000/0x4000)=nil, 0x4000, 0x0, 0xffffffffffffffff) munmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000)