pkey_mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1, 0xffffffffffffffff)
r0 = socket$inet6_udp(0xa, 0x2, 0x0)
getsockopt$bt_hci(r0, 0x88, 0x1, 0x0, &(0x7f0000000040))