r0 = syz_open_dev$vcsa(&(0x7f00000000c0), 0x577adff3, 0x0) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r1, &(0x7f0000000340)={0xa, 0x0, 0x0, @mcast2, 0x5}, 0x1c) sendmmsg$inet6(r1, &(0x7f00000010c0)=[{{&(0x7f0000000080)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @remote}}, 0x1c, 0x0}}], 0x1, 0x0) dup2(r0, r1)