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Merge pull request #9854 from bergzand/pr/rpl/pass_opt_len

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gnrc_rpl: Pass options length to msg validator
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Martine Lenders 2018-09-03 14:20:12 +02:00 committed by GitHub
commit 3d9aad2027
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1 changed files with 2 additions and 1 deletions
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3
sys/net/gnrc/routing/rpl/gnrc_rpl_control_messages.c
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@ -602,8 +602,9 @@ void gnrc_rpl_recv_DIS(gnrc_rpl_dis_t *dis, kernel_pid_t iface, ipv6_addr_t *src
if (gnrc_rpl_instances[i].state != 0) { if (gnrc_rpl_instances[i].state != 0) {
uint32_t included_opts = 0; uint32_t included_opts = 0;
size_t opt_len = len - sizeof(gnrc_rpl_dis_t) - sizeof(icmpv6_hdr_t);
if(!_parse_options(GNRC_RPL_ICMPV6_CODE_DIS, &gnrc_rpl_instances[i], if(!_parse_options(GNRC_RPL_ICMPV6_CODE_DIS, &gnrc_rpl_instances[i],
(gnrc_rpl_opt_t *)(dis + 1), len, src, &included_opts)) { (gnrc_rpl_opt_t *)(dis + 1), opt_len, src, &included_opts)) {
DEBUG("RPL: DIS option parsing error - skip processing the DIS\n"); DEBUG("RPL: DIS option parsing error - skip processing the DIS\n");
continue; continue;
} }