afl - SCHINfoLoadFromConfig - check for NULL before parsing.

Found by AFL on suricata.yaml.
10 years ago · 11d6770ae4
parent 75d21851cf
commit 11d6770ae4
1 changed files with 1 additions and 1 deletions
--- a/src/util-host-os-info.c
+++ b/src/util-host-os-info.c
@ -342,7 +342,7 @@ void SCHInfoLoadFromConfig(void)
        ConfNode *host;
        TAILQ_FOREACH(host, &policy->head, next) {
            int is_ipv4 = 1;
-            if (index(host->val, ':') != NULL)
+            if (host->val != NULL && index(host->val, ':') != NULL)
                is_ipv4 = 0;
            if (SCHInfoAddHostOSInfo(policy->name, host->val, is_ipv4) == -1) {
                SCLogError(SC_ERR_INVALID_ARGUMENT,