mremap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x3000, 0x3, &(0x7f0000ff7000/0x3000)=nil) pkey_mprotect(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x0, 0xffffffffffffffff)