mremap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x1000, 0x0, &(0x7f0000ffb000/0x1000)=nil)
pkey_mprotect(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x1000000, 0xffffffffffffffff)