r0 = socket$inet6_udplite(0xa, 0x2, 0x88) setsockopt$inet6_group_source_req(r0, 0x29, 0x2b, &(0x7f0000000040)={0x0, {{0xa, 0x0, 0x0, @mcast1, 0x3}}, {{0xa, 0x2, 0x0, @private1}}}, 0x108) r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'syz_tun\x00', 0x0}) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000140)={'syz_tun\x00', 0x0}) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$ethtool(&(0x7f00000004c0), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_LINKINFO_SET(r5, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000340)={0x58, r6, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_LINKINFO_HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv_slave_0\x00'}]}, @ETHTOOL_A_LINKINFO_PHYADDR={0x5}, @ETHTOOL_A_LINKINFO_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r4}]}, @ETHTOOL_A_LINKINFO_TP_MDIX_CTRL={0x5, 0x5, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x880}, 0x40) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000300)={@private1={0xfc, 0x1, '\x00', 0x1}, r4}, 0x14) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000140)={'syz_tun\x00'}) r7 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$sock_SIOCGIFINDEX(r7, 0x8933, &(0x7f0000000140)={'syz_tun\x00'}) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ethtool(&(0x7f00000004c0), 0xffffffffffffffff)