[sr-dev] git:5.4:e5de8af6: avp: check for null string

[Daniel-Constantin Mierla]

Module: kamailio
Branch: 5.4
Commit: e5de8af690af460f086c6191a7502c903ca55699
URL: https://github.com/kamailio/kamailio/commit/e5de8af690af460f086c6191a7502c903ca55699

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2021-04-15T08:35:14+02:00

avp: check for null string

(cherry picked from commit c30cd3db7587a3c875770fbc558f4a5ad38b58bd)

---

Modified: src/modules/avp/avp.c

---

Diff:  https://github.com/kamailio/kamailio/commit/e5de8af690af460f086c6191a7502c903ca55699.diff
Patch: https://github.com/kamailio/kamailio/commit/e5de8af690af460f086c6191a7502c903ca55699.patch

---

diff --git a/src/modules/avp/avp.c b/src/modules/avp/avp.c
index f11d56baeb..63ce537d7a 100644
--- a/src/modules/avp/avp.c
+++ b/src/modules/avp/avp.c
@@ -1359,7 +1359,7 @@ static int attr_hdr_body2attrs(struct sip_msg* m, char* header_, char* prefix_)
 				}
 			};
 		}
-		if (s.len && s.s[0] == header->field_delimiter) {
+		if (s.len && s.s && s.s[0] == header->field_delimiter) {
 			s.s++;
 			s.len--;
 		}