systemd/SOURCES/0099-tests-create-the-asan-wrapper-automatically-if-syste.patch

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2021-03-16 04:10:44 +00:00
From 34a38e3632fc504b55847fb9658788ccf5d42dad Mon Sep 17 00:00:00 2001
From: Evgeny Vereshchagin <evvers@ya.ru>
Date: Thu, 5 Jul 2018 04:09:30 +0000
Subject: [PATCH] tests: create the asan wrapper automatically if systemd has
been built with ASAN
(cherry picked from commit ec9181d2ce4c0ad8b1c70b16a2b02a2667b1cc05)
---
test/test-functions | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/test/test-functions b/test/test-functions
index e69420aeca..4417301be9 100644
--- a/test/test-functions
+++ b/test/test-functions
@@ -28,6 +28,27 @@ STATEDIR="${BUILD_DIR:-.}/test/$(basename $(dirname $(realpath $0)))"
STATEFILE="$STATEDIR/.testdir"
TESTLOG="$STATEDIR/test.log"
+is_built_with_asan() {
+ if ! type -P objdump >/dev/null; then
+ ddebug "Failed to find objdump. Assuming systemd hasn't been built with ASAN."
+ return 1
+ fi
+
+ # Borrowed from https://github.com/google/oss-fuzz/blob/cd9acd02f9d3f6e80011cc1e9549be526ce5f270/infra/base-images/base-runner/bad_build_check#L182
+ local _asan_calls=$(objdump -dC $BUILD_DIR/systemd | egrep "callq\s+[0-9a-f]+\s+<__asan" -c)
+ if (( $_asan_calls < 1000 )); then
+ return 1
+ else
+ return 0
+ fi
+}
+
+IS_BUILT_WITH_ASAN=$(is_built_with_asan && echo yes || echo no)
+
+if [[ "$IS_BUILT_WITH_ASAN" = "yes" ]]; then
+ STRIP_BINARIES=no
+fi
+
function find_qemu_bin() {
# SUSE and Red Hat call the binary qemu-kvm. Debian and Gentoo call it kvm.
# Either way, only use this version if we aren't running in KVM, because
@@ -217,6 +238,9 @@ setup_basic_environment() {
strip_binaries
install_depmod_files
generate_module_dependencies
+ if [[ "$IS_BUILT_WITH_ASAN" = "yes" ]]; then
+ create_asan_wrapper
+ fi
}
setup_selinux() {