mlock2(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0)
sigaltstack(&(0x7f00009ac000/0x2000)=nil, 0x0)
pkey_mprotect(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x0, 0xffffffffffffffff)