pkey_mprotect(&(0x7f0000871000/0x4000)=nil, 0x4000, 0x0, 0xffffffffffffffff)
mremap(&(0x7f000086f000/0x4000)=nil, 0x4000, 0x4000, 0x7, &(0x7f0000874000/0x4000)=nil)