[sr-dev] git:master:c6e921e4: core: add safety check to rval_get_tmp_str()

[Victor Seva]

Module: kamailio
Branch: master
Commit: c6e921e45f1257913848110189eab82a34aa2f8b
URL: https://github.com/kamailio/kamailio/commit/c6e921e45f1257913848110189eab82a34aa2f8b

Author: Victor Seva <linuxmaniac at torreviejawireless.org>
Committer: Victor Seva <linuxmaniac at torreviejawireless.org>
Date: 2017-10-05T13:28:38+02:00

core: add safety check to rval_get_tmp_str()

See #1263

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Modified: src/core/rvalue.c

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Diff:  https://github.com/kamailio/kamailio/commit/c6e921e45f1257913848110189eab82a34aa2f8b.diff
Patch: https://github.com/kamailio/kamailio/commit/c6e921e45f1257913848110189eab82a34aa2f8b.patch

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diff --git a/src/core/rvalue.c b/src/core/rvalue.c
index 540f26620a..fcb238d111 100644
--- a/src/core/rvalue.c
+++ b/src/core/rvalue.c
@@ -1099,6 +1099,10 @@ int rval_get_tmp_str(struct run_act_ctx* h, struct sip_msg* msg,
 	avp_t* r_avp;
 	int i;
 
+	if(rv==NULL) {
+		return -1;
+	}
+
 	switch(rv->type){
 		case RV_INT:
 			tmpv->s=sint2strbuf(rv->v.l, tmp_cache->i2s,