From f46431bcbd20d18549100c0561acd026f083bb7d Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Fri, 9 Jan 2026 03:49:17 -0500
Subject: [PATCH] tests: enable glibc malloc corruption detection

Set MALLOC_CHECK_=3 in test environment to detect memory corruption
issues like double-free and buffer overflows. When detected, glibc
will print a diagnostic and abort the program.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 tests/test_env.sh.in | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/test_env.sh.in b/tests/test_env.sh.in
index 240ba8e8..e0e326dc 100644
--- a/tests/test_env.sh.in
+++ b/tests/test_env.sh.in
@@ -3,6 +3,9 @@ top_builddir="@abs_top_builddir@"
 
 export PATH="${top_builddir}/src:${PATH}"
 
+# Detect memory corruption (double-free, buffer overflow) in glibc malloc
+export MALLOC_CHECK_=3
+
 prefix="@prefix@"
 exec_prefix="@exec_prefix@"
 datarootdir="@datarootdir@"
-- 
2.47.3