r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'syz_tun\x00', <r2=>0x0})
r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000000), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_FEATURES_SET(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000240)={0x40, r3, 0x1, 0x0, 0x0, {0x5}, [@ETHTOOL_A_FEATURES_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r2}]}, @ETHTOOL_A_FEATURES_WANTED={0x20, 0x3, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x2, 0x3, 0x0, 0x1, [{0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'syz_tun\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}]}]}]}, 0x40}}, 0x0)