From d0a000042ada56070c5f80be9455be6704c9efd0 Mon Sep 17 00:00:00 2001
From: Dmitry Volyntsev <xeioex@nginx.com>
Date: Fri, 11 Sep 2026 22:39:30 -0700
Subject: [PATCH] CI: test njs with UBSan

Build and run the base njs test suite with UndefinedBehaviorSanitizer.
---
 .github/workflows/check-pr.yml | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/check-pr.yml b/.github/workflows/check-pr.yml
index 06d13ab9..f112873a 100644
--- a/.github/workflows/check-pr.yml
+++ b/.github/workflows/check-pr.yml
@@ -65,17 +65,17 @@ jobs:
           meson install -C build
           echo "PKG_CONFIG_PATH=$HOME/.local/lib/pkgconfig:$PKG_CONFIG_PATH" >> $GITHUB_ENV
 
-      - name: Configure and make njs
+      - name: Configure and make njs with UBSan
         run: |
           ./configure \
-                    --cc-opt="$CC_OPT" \
-                    --ld-opt="$LD_OPT" \
+                    --cc-opt="$CC_OPT -fsanitize=undefined" \
+                    --ld-opt="$LD_OPT -fsanitize=undefined" \
           || cat build/autoconf.err
           $MAKE_UTILITY -j$(nproc)
 
-      - name: Test njs
+      - name: Test njs with UBSan
         run: |
-          $MAKE_UTILITY test
+          UBSAN_OPTIONS=halt_on_error=1:print_stacktrace=1 $MAKE_UTILITY test
           $MAKE_UTILITY clean
 
       - name: Configure and make njs, 32-bit
-- 
2.47.3