nathelper: Fix segfault while interpreting the branch value

(cherry picked from commit 81f6ac7)
OpenSIPS · Jan 18, 2019 · b66de01 · b66de01
1 parent 4c80e34
commit b66de01
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/modules/nathelper/sip_pinger.h b/modules/nathelper/sip_pinger.h
@@ -114,7 +114,7 @@ static int parse_branch(str branch)
 	if (!end) {
 		/* if reverse hex2int succeeds on this it's a simple
 		 * ping based on sipping_callid_cnt label */
-		if (reverse_hex2int(branch.s, end - branch.s, &label) == 0)
+		if (reverse_hex2int(branch.s, branch.len, &label) == 0)
 			return 0;
 
 		return 1;