pkey_mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x0, 0xffffffffffffffff)
rt_sigaction(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0, 0x8, &(0x7f00000002c0))