From 860b6d37e5893e725ad3e324ba14ee908354eba9 Mon Sep 17 00:00:00 2001
From: Mikhail Koliada <88318005+mikhailkoliada@users.noreply.github.com>
Date: Thu, 14 Mar 2024 15:01:05 +0100
Subject: [PATCH] Decrease vm.mmap_rnd_bit to prevent ASLR ASAN issues

[jes: to allow the ASAN/fuzz jobs to succeed, we need to take extra
steps for a couple of days due to a change of configuration in the
kernel version used in the GitHub Actions runner images.]

Based-on: https://github.com/actions/runner-images/pull/9513
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 ci/lib.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ci/lib.sh b/ci/lib.sh
index 5ae7fe71c1d241..2e9b815bb032df 100755
--- a/ci/lib.sh
+++ b/ci/lib.sh
@@ -251,6 +251,13 @@ then
 
 	GIT_TEST_OPTS="--github-workflow-markup"
 	JOBS=10
+
+	case "$jobname,$GITHUB_JOB" in
+	linux*-leaks,*|linux*asan*|*,fuzz*)
+		# https://github.com/actions/runner-images/issues/9491
+		sudo sysctl vm.mmap_rnd_bits=28
+		;;
+	esac
 elif test true = "$GITLAB_CI"
 then
 	CI_TYPE=gitlab-ci