102 lines
4.5 KiB
Diff
102 lines
4.5 KiB
Diff
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From 137a22e0192941fa275b70665af7a0d54f6ad614 Mon Sep 17 00:00:00 2001
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From: Frantisek Sumsal <frantisek@sumsal.cz>
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Date: Wed, 15 Jun 2022 12:32:51 +0200
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Subject: [PATCH] test: drop all LD_PRELOAD-related ASan workarounds
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since they shouldn't be necessary anymore, as we tweak the "problematic"
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binaries on per-binary basis.
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(cherry picked from commit fa65ba6baac8c9241cf30802bb5fd3698d1f3189)
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Related: #2087652
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---
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test/test-functions | 54 +--------------------------------------------
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1 file changed, 1 insertion(+), 53 deletions(-)
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diff --git a/test/test-functions b/test/test-functions
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index a9ff561083..f55e64493d 100644
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--- a/test/test-functions
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+++ b/test/test-functions
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@@ -593,10 +593,6 @@ install_verity_minimal() {
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# missing $LD_PRELOAD libraries.
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inst_libs "$ASAN_RT_PATH"
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inst_library "$ASAN_RT_PATH"
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- # Create a dummy LSan suppression file otherwise gcc's ASan
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- # complains as it doesn't exist in the minimal image
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- # (i.e. when running TEST-29 or TEST-50 under sanitizers)
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- touch "$initdir/systemd-lsan.supp"
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fi
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cp "$os_release" "$initdir/usr/lib/os-release"
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ln -s ../usr/lib/os-release "$initdir/etc/os-release"
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@@ -792,20 +788,6 @@ if [[ ! -e "$ASAN_RT_PATH" ]]; then
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exit 1
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fi
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-# Suppress certain leaks reported by LSan (either in external tools or bogus
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-# ones)
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-# Docs: # https://github.com/google/sanitizers/wiki/AddressSanitizerLeakSanitizer#suppressions
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-#
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-# - fsck is called by systemd-homed and is reporting a leak we're not interested
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-# in
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-# - libLLVM is a "side effect" caused by the previous fsck leak
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-cat >/systemd-lsan.supp <<INNER_EOF
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-leak:/bin/fsck$
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-leak:/sbin/fsck$
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-leak:/lib/libLLVM
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-INNER_EOF
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-
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-DEFAULT_LSAN_OPTIONS=${LSAN_OPTIONS:-}:suppressions=/systemd-lsan.supp
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DEFAULT_ASAN_OPTIONS=${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_UBSAN_OPTIONS=${UBSAN_OPTIONS:-print_stacktrace=1:print_summary=1:halt_on_error=1}
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DEFAULT_ENVIRONMENT="ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS UBSAN_OPTIONS=\$DEFAULT_UBSAN_OPTIONS LSAN_OPTIONS=\$DEFAULT_LSAN_OPTIONS"
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@@ -818,9 +800,7 @@ mount -t proc proc /proc
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mount -t sysfs sysfs /sys
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mount -o remount,rw /
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-# A lot of services (most notably dbus) won't start without preloading libasan
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-# See https://github.com/systemd/systemd/issues/5004
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-DEFAULT_ENVIRONMENT="\$DEFAULT_ENVIRONMENT LD_PRELOAD=$ASAN_RT_PATH ASAN_RT_PATH=$ASAN_RT_PATH"
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+DEFAULT_ENVIRONMENT="\$DEFAULT_ENVIRONMENT ASAN_RT_PATH=$ASAN_RT_PATH"
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if [[ "$ASAN_COMPILER" == "clang" ]]; then
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# Let's add the ASan DSO's path to the dynamic linker's cache. This is pretty
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@@ -857,38 +837,6 @@ printf "[Unit]\nConditionVirtualization=container\n\n[Service]\nTimeoutSec=240s\
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mkdir -p /etc/systemd/system/systemd-journal-flush.service.d
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printf "[Service]\nTimeoutSec=180s\n" >/etc/systemd/system/systemd-journal-flush.service.d/timeout.conf
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-# D-Bus has troubles during system shutdown causing it to fail. Although it's
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-# harmless, it causes unnecessary noise in the logs, so let's disable LSan's
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-# at_exit check just for the dbus.service
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-mkdir -p /etc/systemd/system/dbus.service.d
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-printf "[Service]\nEnvironment=ASAN_OPTIONS=leak_check_at_exit=false\n" >/etc/systemd/system/dbus.service.d/disable-lsan.conf
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-
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-# Some utilities run via IMPORT/RUN/PROGRAM udev directives fail because
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-# they're uninstrumented (like dmsetup). Let's add a simple rule which sets
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-# LD_PRELOAD to the ASan RT library to fix this.
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-mkdir -p /etc/udev/rules.d
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-cat >/etc/udev/rules.d/00-set-LD_PRELOAD.rules <<INNER_EOF
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-SUBSYSTEM=="block", ENV{LD_PRELOAD}="$ASAN_RT_PATH"
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-INNER_EOF
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-chmod 0644 /etc/udev/rules.d/00-set-LD_PRELOAD.rules
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-
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-# The 'mount' utility doesn't behave well under libasan, causing unexpected
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-# fails during boot and subsequent test results check:
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-# bash-5.0# mount -o remount,rw -v /
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-# mount: /dev/sda1 mounted on /.
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-# bash-5.0# echo \$?
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-# 1
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-# Let's workaround this by clearing the previously set LD_PRELOAD env variable,
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-# so the libasan library is not loaded for this particular service
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-unset_ld_preload() {
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- local _dropin_dir="/etc/systemd/system/\$1.service.d"
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- mkdir -p "\$_dropin_dir"
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- printf "[Service]\nUnsetEnvironment=LD_PRELOAD\n" >"\$_dropin_dir/unset_ld_preload.conf"
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-}
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-
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-unset_ld_preload systemd-remount-fs
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-unset_ld_preload testsuite-
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-
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export ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS:log_path=/systemd.asan.log UBSAN_OPTIONS=\$DEFAULT_UBSAN_OPTIONS
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exec "$ROOTLIBDIR/systemd" "\$@"
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EOF
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