2015-09-29 22:24:13 -06:00
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#!/usr/bin/env bash
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# Copyright 2015 The Go Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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# This directory is intended to test the use of Go with sanitizers
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# like msan, asan, etc. See https://github.com/google/sanitizers .
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set -e
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# The sanitizers were originally developed with clang, so prefer it.
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CC=cc
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2015-11-09 13:22:52 -07:00
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if test -x "$(type -p clang)"; then
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2015-09-29 22:24:13 -06:00
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CC=clang
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fi
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export CC
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2016-11-02 14:33:33 -06:00
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if [ "$(sysctl -n vm.overcommit_memory)" = 2 ]; then
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echo "skipping msan/tsan tests: vm.overcommit_memory=2" >&2
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exit 0
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fi
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2015-12-03 20:17:21 -07:00
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msan=yes
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2015-11-03 08:14:22 -07:00
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TMPDIR=${TMPDIR:-/tmp}
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2016-02-29 10:31:12 -07:00
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echo 'int main() { return 0; }' > ${TMPDIR}/testsanitizers$$.c
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2016-12-15 17:57:59 -07:00
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if $CC -fsanitize=memory -o ${TMPDIR}/testsanitizers$$ ${TMPDIR}/testsanitizers$$.c 2>&1 | grep "unrecognized" >& /dev/null; then
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echo "skipping msan tests: $CC -fsanitize=memory not supported"
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msan=no
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elif ! test -x ${TMPDIR}/testsanitizers$$; then
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echo "skipping msan tests: $CC -fsanitize-memory did not generate an executable"
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msan=no
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elif ! ${TMPDIR}/testsanitizers$$ >/dev/null 2>&1; then
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echo "skipping msan tests: $CC -fsanitize-memory generates broken executable"
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2015-12-03 20:17:21 -07:00
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msan=no
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2015-09-29 22:24:13 -06:00
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fi
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2015-11-03 08:14:22 -07:00
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rm -f ${TMPDIR}/testsanitizers$$.*
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2015-10-02 08:04:34 -06:00
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2016-02-29 11:05:46 -07:00
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tsan=yes
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# The memory and thread sanitizers in versions of clang before 3.6
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# don't work with Go.
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2015-12-03 20:17:21 -07:00
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if test "$msan" = "yes" && $CC --version | grep clang >& /dev/null; then
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2015-10-02 08:04:34 -06:00
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ver=$($CC --version | sed -e 's/.* version \([0-9.-]*\).*/\1/')
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major=$(echo $ver | sed -e 's/\([0-9]*\).*/\1/')
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minor=$(echo $ver | sed -e 's/[0-9]*\.\([0-9]*\).*/\1/')
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2015-11-30 12:50:21 -07:00
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if test "$major" -lt 3 || test "$major" -eq 3 -a "$minor" -lt 6; then
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2016-02-29 11:05:46 -07:00
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echo "skipping msan/tsan tests: clang version $major.$minor (older than 3.6)"
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2015-12-03 20:17:21 -07:00
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msan=no
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2016-02-29 11:05:46 -07:00
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tsan=no
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2015-10-02 08:04:34 -06:00
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fi
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2015-12-03 12:11:44 -07:00
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2015-11-30 12:50:21 -07:00
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# Clang before 3.8 does not work with Linux at or after 4.1.
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# golang.org/issue/12898.
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2015-12-03 20:17:21 -07:00
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if test "$msan" = "yes" -a "$major" -lt 3 || test "$major" -eq 3 -a "$minor" -lt 8; then
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2015-11-30 12:50:21 -07:00
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if test "$(uname)" = Linux; then
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linuxver=$(uname -r)
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2015-12-03 12:11:44 -07:00
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linuxmajor=$(echo $linuxver | sed -e 's/\([0-9]*\).*/\1/')
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linuxminor=$(echo $linuxver | sed -e 's/[0-9]*\.\([0-9]*\).*/\1/')
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2015-11-30 12:50:21 -07:00
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if test "$linuxmajor" -gt 4 || test "$linuxmajor" -eq 4 -a "$linuxminor" -ge 1; then
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2016-02-29 11:05:46 -07:00
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echo "skipping msan/tsan tests: clang version $major.$minor (older than 3.8) incompatible with linux version $linuxmajor.$linuxminor (4.1 or newer)"
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2015-12-03 20:17:21 -07:00
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msan=no
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2016-02-29 11:05:46 -07:00
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tsan=no
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2015-11-30 12:50:21 -07:00
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fi
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fi
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fi
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2015-10-02 08:04:34 -06:00
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fi
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2015-10-21 13:33:56 -06:00
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status=0
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2017-01-18 13:12:18 -07:00
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testmsanshared() {
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goos=$(go env GOOS)
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suffix="-installsuffix testsanitizers"
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libext="so"
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2017-03-10 10:15:46 -07:00
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if [ "$goos" = "darwin" ]; then
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2017-01-18 13:12:18 -07:00
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libext="dylib"
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fi
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go build -msan -buildmode=c-shared $suffix -o ${TMPDIR}/libmsanshared.$libext msan_shared.go
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2017-03-07 16:50:52 -07:00
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echo 'int main() { return 0; }' > ${TMPDIR}/testmsanshared.c
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2017-01-18 13:12:18 -07:00
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$CC $(go env GOGCCFLAGS) -fsanitize=memory -o ${TMPDIR}/testmsanshared ${TMPDIR}/testmsanshared.c ${TMPDIR}/libmsanshared.$libext
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if ! LD_LIBRARY_PATH=. ${TMPDIR}/testmsanshared; then
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echo "FAIL: msan_shared"
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status=1
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fi
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rm -f ${TMPDIR}/{testmsanshared,testmsanshared.c,libmsanshared.$libext}
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}
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2015-12-03 20:17:21 -07:00
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if test "$msan" = "yes"; then
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if ! go build -msan std; then
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echo "FAIL: build -msan std"
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status=1
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fi
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2015-10-26 14:58:23 -06:00
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2015-12-03 20:17:21 -07:00
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if ! go run -msan msan.go; then
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echo "FAIL: msan"
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status=1
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fi
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2015-10-21 13:33:56 -06:00
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2015-12-03 20:17:21 -07:00
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if ! CGO_LDFLAGS="-fsanitize=memory" CGO_CPPFLAGS="-fsanitize=memory" go run -msan -a msan2.go; then
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echo "FAIL: msan2 with -fsanitize=memory"
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status=1
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fi
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2016-01-05 15:06:58 -07:00
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2015-12-03 20:17:21 -07:00
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if ! go run -msan -a msan2.go; then
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echo "FAIL: msan2"
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status=1
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fi
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2015-10-21 13:33:56 -06:00
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2015-12-03 20:17:21 -07:00
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if ! go run -msan msan3.go; then
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echo "FAIL: msan3"
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status=1
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fi
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if ! go run -msan msan4.go; then
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echo "FAIL: msan4"
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status=1
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fi
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2016-07-06 16:30:33 -06:00
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if ! go run -msan msan5.go; then
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echo "FAIL: msan5"
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status=1
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fi
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2015-12-03 20:17:21 -07:00
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if go run -msan msan_fail.go 2>/dev/null; then
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echo "FAIL: msan_fail"
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status=1
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fi
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2017-01-18 13:12:18 -07:00
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testmsanshared
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2015-11-03 18:15:30 -07:00
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fi
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2017-03-07 16:50:52 -07:00
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testtsanshared() {
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goos=$(go env GOOS)
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suffix="-installsuffix tsan"
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libext="so"
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2017-03-10 10:15:46 -07:00
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if [ "$goos" = "darwin" ]; then
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2017-03-07 16:50:52 -07:00
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libext="dylib"
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fi
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go build -buildmode=c-shared $suffix -o ${TMPDIR}/libtsanshared.$libext tsan_shared.go
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echo 'int main() { return 0; }' > ${TMPDIR}/testtsanshared.c
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$CC $(go env GOGCCFLAGS) -fsanitize=thread -o ${TMPDIR}/testtsanshared ${TMPDIR}/testtsanshared.c ${TMPDIR}/libtsanshared.$libext
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if ! LD_LIBRARY_PATH=. ${TMPDIR}/testtsanshared; then
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echo "FAIL: tsan_shared"
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status=1
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fi
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rm -f ${TMPDIR}/{testtsanshared,testtsanshared.c,libtsanshared.$libext}
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}
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2016-02-29 11:05:46 -07:00
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if test "$tsan" = "yes"; then
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echo 'int main() { return 0; }' > ${TMPDIR}/testsanitizers$$.c
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ok=yes
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if ! $CC -fsanitize=thread ${TMPDIR}/testsanitizers$$.c -o ${TMPDIR}/testsanitizers$$ &> ${TMPDIR}/testsanitizers$$.err; then
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ok=no
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fi
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if grep "unrecognized" ${TMPDIR}/testsanitizers$$.err >& /dev/null; then
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echo "skipping tsan tests: -fsanitize=thread not supported"
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tsan=no
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elif test "$ok" != "yes"; then
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cat ${TMPDIR}/testsanitizers$$.err
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echo "skipping tsan tests: -fsanitizer=thread build failed"
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tsan=no
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fi
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rm -f ${TMPDIR}/testsanitizers$$*
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2015-11-04 13:30:30 -07:00
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fi
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2015-12-03 20:17:21 -07:00
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2016-06-03 11:49:24 -06:00
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# Run a TSAN test.
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# $1 test name
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# $2 environment variables
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# $3 go run args
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testtsan() {
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2015-12-03 20:17:21 -07:00
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err=${TMPDIR}/tsanerr$$.out
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2016-06-03 11:49:24 -06:00
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if ! env $2 go run $3 $1 2>$err; then
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2016-05-19 11:07:41 -06:00
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cat $err
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2016-06-03 11:49:24 -06:00
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echo "FAIL: $1"
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2016-05-19 11:07:41 -06:00
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status=1
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elif grep -i warning $err >/dev/null 2>&1; then
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cat $err
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2016-06-03 11:49:24 -06:00
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echo "FAIL: $1"
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2016-05-19 11:07:41 -06:00
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status=1
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fi
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2016-06-03 11:49:24 -06:00
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rm -f $err
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}
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2016-05-19 11:07:41 -06:00
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2016-06-03 11:49:24 -06:00
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if test "$tsan" = "yes"; then
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testtsan tsan.go
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testtsan tsan2.go
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testtsan tsan3.go
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testtsan tsan4.go
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2016-11-09 13:28:24 -07:00
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testtsan tsan8.go
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2016-12-08 18:39:00 -07:00
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testtsan tsan9.go
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2016-05-19 17:27:23 -06:00
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2016-06-06 22:44:24 -06:00
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# These tests are only reliable using clang or GCC version 7 or later.
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# Otherwise runtime/cgo/libcgo.h can't tell whether TSAN is in use.
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ok=false
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if ${CC} --version | grep clang >/dev/null 2>&1; then
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ok=true
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else
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ver=$($CC -dumpversion)
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major=$(echo $ver | sed -e 's/\([0-9]*\).*/\1/')
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if test "$major" -lt 7; then
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echo "skipping remaining TSAN tests: GCC version $major (older than 7)"
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else
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ok=true
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fi
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fi
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if test "$ok" = "true"; then
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2017-03-08 13:40:28 -07:00
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# These tests require rebuilding os/user with -fsanitize=thread.
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2016-06-06 22:44:24 -06:00
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testtsan tsan5.go "CGO_CFLAGS=-fsanitize=thread CGO_LDFLAGS=-fsanitize=thread" "-installsuffix=tsan"
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testtsan tsan6.go "CGO_CFLAGS=-fsanitize=thread CGO_LDFLAGS=-fsanitize=thread" "-installsuffix=tsan"
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2016-08-02 12:42:53 -06:00
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testtsan tsan7.go "CGO_CFLAGS=-fsanitize=thread CGO_LDFLAGS=-fsanitize=thread" "-installsuffix=tsan"
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2017-01-19 14:09:10 -07:00
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testtsan tsan10.go "CGO_CFLAGS=-fsanitize=thread CGO_LDFLAGS=-fsanitize=thread" "-installsuffix=tsan"
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2017-03-08 13:40:28 -07:00
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testtsan tsan11.go "CGO_CFLAGS=-fsanitize=thread CGO_LDFLAGS=-fsanitize=thread" "-installsuffix=tsan"
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2017-03-07 16:50:52 -07:00
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testtsanshared
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2016-06-06 22:44:24 -06:00
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fi
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2015-10-21 13:33:56 -06:00
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fi
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exit $status
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