From 9e12341241ce4f6618bdf459c162f8465c7b2841 Mon Sep 17 00:00:00 2001
From: Victor Julien <vjulien@oisf.net>
Date: Tue, 21 Oct 2025 07:19:55 +0200
Subject: [PATCH] detect: address intermittent UT crash on OpenBSD

Add missing flow memset in test SCSigOrderingTest12 to avoid the crash.

Test SCSigOrderingTest12                                          : Info: unittest-helper: Sid 1 matched 1 times, as expected [UTHCheckPacketMatchResults:util-unittest-helper.c:638]
Info: unittest-helper: Sid 2 matched 1 times, as expected [UTHCheckPacketMatchResults:util-unittest-helper.c:638]
bash: line 144: 88567 Segmentation fault      (core dumped) ./src/suricata -u -l /tmp/

Bug: #8008.
(cherry picked from commit 232f0572e075d7e141103c310e38b1eac0836952)
---
 src/detect-engine-sigorder.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/detect-engine-sigorder.c b/src/detect-engine-sigorder.c
index 01310fd617..6c0e62c4da 100644
--- a/src/detect-engine-sigorder.c
+++ b/src/detect-engine-sigorder.c
@@ -1997,7 +1997,7 @@ static int SCSigOrderingTest12(void)
     Packet *p = NULL;
     uint8_t buf[] = "test message";
     Flow f;
-
+    memset(&f, 0, sizeof(f));
     FLOW_INITIALIZE(&f);
     f.flags |= FLOW_IPV4;
     f.alproto = ALPROTO_UNKNOWN;