r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
listen(r0, 0x0)
getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE(r0, 0x6, 0x23, &(0x7f00000001c0)={&(0x7f0000eab000/0x3000)=nil, 0x3000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f0000000240)=0x40)