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From 3d0342f0c47c293f10d417ba429ff50436d30ddb Mon Sep 17 00:00:00 2001
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From: Evgeny Vereshchagin <evvers@ya.ru>
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Date: Tue, 3 Jul 2018 03:25:53 +0000
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Subject: [PATCH] tests: add a wrapper for when systemd is built with ASAN
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(cherry picked from commit 1786fae3668fa94359ee58a8c11031dc46459255)
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---
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 test/test-functions | 35 ++++++++++++++++++++++++++++++++++-
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 1 file changed, 34 insertions(+), 1 deletion(-)
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diff --git a/test/test-functions b/test/test-functions
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index 4417301be9..a6f88e4545 100644
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--- a/test/test-functions
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+++ b/test/test-functions
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@@ -21,7 +21,7 @@ if ! ROOTLIBDIR=$(pkg-config --variable=systemdutildir systemd); then
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     ROOTLIBDIR=/usr/lib/systemd
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 fi
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-BASICTOOLS="test sh bash setsid loadkeys setfont login sulogin gzip sleep echo mount umount cryptsetup date dmsetup modprobe sed cmp tee rm true false chmod chown ln"
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+BASICTOOLS="test sh bash setsid loadkeys setfont login sulogin gzip sleep echo mount umount cryptsetup date dmsetup modprobe sed cmp tee rm true false chmod chown ln xargs"
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 DEBUGTOOLS="df free ls stty cat ps ln ip route dmesg dhclient mkdir cp ping dhclient strace less grep id tty touch du sort hostname find"
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 STATEDIR="${BUILD_DIR:-.}/test/$(basename $(dirname $(realpath $0)))"
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@@ -317,6 +317,39 @@ EOF
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     chmod 0755 $_valgrind_wrapper
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 }
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+create_asan_wrapper() {
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+    local _asan_wrapper=$initdir/$ROOTLIBDIR/systemd-under-asan
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+    ddebug "Create $_asan_wrapper"
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+    cat >$_asan_wrapper <
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+#!/bin/bash
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+
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+set -x
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+
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+DEFAULT_ASAN_OPTIONS=strict_string_checks=1:detect_stack_use_after_return=1:check_initialization_order=1:strict_init_order=1
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+DEFAULT_ENVIRONMENT=ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS
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+
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+mount -t proc proc /proc
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+mount -t sysfs sysfs /sys
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+mount -o remount,rw /
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+
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+PATH_TO_ASAN=\$(find / -name '*libasan*' | sed 1q)
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+if [[ "\$PATH_TO_ASAN" ]]; then
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+  # A lot of services (most notably dbus) won't start without preloading libasan
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+  # See https://github.com/systemd/systemd/issues/5004
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+  DEFAULT_ENVIRONMENT="\$DEFAULT_ENVIRONMENT LD_PRELOAD=\$PATH_TO_ASAN"
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+fi
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+echo DefaultEnvironment=\$DEFAULT_ENVIRONMENT >>/etc/systemd/system.conf
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+
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+# ASAN and syscall filters aren't compatible with each other.
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+find / -name '*.service' -type f | xargs sed -i 's/^\\(MemoryDeny\\|SystemCall\\)/#\\1/'
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+
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+export ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS:log_path=/systemd.asan.log
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+exec  $ROOTLIBDIR/systemd "\$@"
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+EOF
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+
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+    chmod 0755 $_asan_wrapper
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+}
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+
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 create_strace_wrapper() {
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     local _strace_wrapper=$initdir/$ROOTLIBDIR/systemd-under-strace
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     ddebug "Create $_strace_wrapper"