From b97cc9a8299ad84bf75093dc390e36eb6ff77761 Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Thu, 23 Nov 2017 14:59:05 +0100
Subject: [PATCH] build-sys: add --enable-asan and --memcheck-asan for tests

The command ./configure --enable-asan adds -fsanitize=address
to the compiler command line. In the regression tests leaks detection
is disabled by default. You have to use --memcheck-asan on test
command line to enable.

Signed-off-by: Karel Zak <kzak@redhat.com>
---
 configure.ac       | 11 +++++++++++
 tests/functions.sh | 12 +++++++++++-
 tests/run.sh       |  2 ++
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index eebe922591..28fd7760ce 100644
--- a/configure.ac
+++ b/configure.ac
@@ -141,6 +141,17 @@ AC_SUBST([BSD_WARN_CFLAGS])
 UL_WARN_ADD([-Wno-unused-parameter], [NO_UNUSED_WARN_CFLAGS])
 AC_SUBST([NO_UNUSED_WARN_CFLAGS])
 
+
+AC_ARG_ENABLE([asan],
+  AS_HELP_STRING([--enable-asan], [compile with Address Sanitizer]),
+  [], [enable_asan=no]
+)
+AS_IF([test "x$enable_asan" == xyes], [
+  UL_WARN_ADD([-fsanitize=address])
+])
+
+
+
 dnl libtool-2
 LT_INIT
 
diff --git a/tests/functions.sh b/tests/functions.sh
index 7152a4e33a..5b9b61c05c 100644
--- a/tests/functions.sh
+++ b/tests/functions.sh
@@ -230,8 +230,9 @@ function ts_init_env {
 	LANGUAGE="POSIX"
 	LC_ALL="POSIX"
 	CHARSET="UTF-8"
+	ASAN_OPTIONS="detect_leaks=0"
 
-	export LANG LANGUAGE LC_ALL CHARSET
+	export LANG LANGUAGE LC_ALL CHARSET ASAN_OPTIONS
 
 	mydir=$(ts_canonicalize "$mydir")
 
@@ -284,6 +285,10 @@ function ts_init_env {
 	if [ "$tmp" == "yes" -a -f /usr/bin/valgrind ]; then
 		TS_VALGRIND_CMD="/usr/bin/valgrind"
 	fi
+	tmp=$( ts_has_option "memcheck-asan" "$*")
+	if [ "$tmp" == "yes" ]; then
+		TS_ENABLE_ASAN="yes"
+	fi
 
 	BLKID_FILE="$TS_OUTDIR/${TS_TESTNAME}.blkidtab"
 
@@ -384,6 +389,11 @@ function ts_run {
 		$TS_VALGRIND_CMD --tool=memcheck --leak-check=full \
 				 --leak-resolution=high --num-callers=20 \
 				 --log-file="$TS_VGDUMP" "$@"
+	#
+	# ASAN mode
+	#
+	elif [ "$TS_ENABLE_ASAN" == "yes" ]; then
+		ASAN_OPTIONS='detect_leaks=1' "$@"
 
 	#
 	# Default mode
diff --git a/tests/run.sh b/tests/run.sh
index 1d4cc9d218..15e6c6baa8 100755
--- a/tests/run.sh
+++ b/tests/run.sh
@@ -46,6 +46,7 @@ while [ -n "$1" ]; do
 	--force |\
 	--fake |\
 	--memcheck-valgrind |\
+	--memcheck-asan |\
 	--show-diff |\
 	--verbose  |\
 	--skip-loopdevs |\
@@ -82,6 +83,7 @@ while [ -n "$1" ]; do
 		echo "  --force              execute demanding tests"
 		echo "  --fake               do not run, setup tests only"
 		echo "  --memcheck-valgrind  run with valgrind"
+		echo "  --memcheck-asan      enable ASAN (requires ./configure --enable-asan)"
 		echo "  --verbose            verbose mode"
 		echo "  --show-diff          show diff from failed tests"
 		echo "  --nonroot            ignore test suite if user is root"
-- 
2.47.3