detect/dsize: define offset in edge case

Ticket: 7802

diff --git a/src/detect-content.c b/src/detect-content.c
index 652a10e533fe4dbee553ff8d2ac9236926903468..9e841af054e3ccbbeb1fb925a78cc1651224b39b 100644 (file)
--- a/src/detect-content.c
+++ b/src/detect-content.c
@@ -412,6 +412,8 @@ void SigParseRequiredContentSize(
 {
     int max_offset = 0, total_len = 0;
     bool first = true;
+    // define it first, and override it unless in DETECT_CONTENT_NEGATED edge case
+    *offset = 0;
     for (; sm != NULL; sm = sm->next) {
         if (sm->type != DETECT_CONTENT || sm->ctx == NULL) {
             continue;