From d75de0a4f16351f8c3f14d7fa9af4e605b927bca Mon Sep 17 00:00:00 2001
From: James Bonfield <jkb@sanger.ac.uk>
Date: Thu, 18 Jul 2024 14:59:31 +0100
Subject: [PATCH] Add ubsan to the asan CI check.

We already have address sanitizer, so add "undefined" into the mix.
---
 .cirrus.yml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.cirrus.yml b/.cirrus.yml
index 5d2e3b6a73..baa624a004 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -73,9 +73,10 @@ gcc_task:
        USE_CONFIG: no
     - environment:
        USE_CONFIG: yes
-       CFLAGS: -std=c99 -pedantic -Wformat=2 -fsanitize=address
-       LDFLAGS: -fsanitize=address
+       CFLAGS: -std=c99 -pedantic -Wformat=2 -fsanitize=address,undefined
+       LDFLAGS: -fsanitize=address,undefined
        USE_LIBDEFLATE: yes
+       UBSAN_OPTIONS: print_stacktrace=1:halt_on_error=1
 
   install_script: |
     apt-get update