core: parse identityinfo - log message on end of buffer

(cherry picked from commit 1e212088091183aac8fcd418656beea523950870)
(cherry picked from commit 8a6c44d2f0504f81b2ef1d97732499b5f721b4a7)

src/core/parser/parse_identityinfo.c

@@ -310,8 +310,12 @@ void parse_identityinfo(char *buffer, char *end, struct identityinfo_body *ii_b)
 	return ;
 
 parseerror:
-	LM_ERR("unexpected char [%c] in status %d: <<%.*s>> .\n",
-			*p,status, (int)(p-buffer), ZSW(p));
+	if(p<end) {
+		LM_ERR("unexpected char [%c] in status %d: <<%.*s>> .\n",
+				*p, status, (int)(p-buffer), ZSW(p));
+	} else {
+		LM_ERR("unexpected end of buffer - status %d\n", status);
+	}
 	return ;
 }