r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r0, 0x6, 0x21, &(0x7f0000000000)="3d7573c92dfb4dc67b80f157c6c43c98", 0x10)
r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000000c0)='net/packet\x00')
dup2(r1, r0)