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https://github.com/golang/go
synced 2024-11-18 03:04:45 -07:00
934e055f41
Avoids an msan error when runtime/cgo is explicitly rebuilt with -fsanitize=memory. Fixes #13815. Change-Id: I70308034011fb308b63585bcd40b0d1e62ec93ef Reviewed-on: https://go-review.googlesource.com/18263 Reviewed-by: Russ Cox <rsc@golang.org>
90 lines
2.5 KiB
Bash
Executable File
90 lines
2.5 KiB
Bash
Executable File
#!/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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if test -x "$(type -p clang)"; then
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CC=clang
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fi
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export CC
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TMPDIR=${TMPDIR:-/tmp}
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echo > ${TMPDIR}/testsanitizers$$.c
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if $CC -fsanitize=memory -c ${TMPDIR}/testsanitizers$$.c -o ${TMPDIR}/testsanitizers$$.o 2>&1 | grep "unrecognized" >& /dev/null; then
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echo "skipping msan test: -fsanitize=memory not supported"
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rm -f ${TMPDIR}/testsanitizers$$.*
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exit 0
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fi
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rm -f ${TMPDIR}/testsanitizers$$.*
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# The memory sanitizer in versions of clang before 3.6 don't work with Go.
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if $CC --version | grep clang >& /dev/null; then
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ver=$($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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if test "$major" -lt 3 || test "$major" -eq 3 -a "$minor" -lt 6; then
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echo "skipping msan test; clang version $major.$minor (older than 3.6)"
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exit 0
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fi
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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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if test "$major" -lt 3 || test "$major" -eq 3 -a "$minor" -lt 8; then
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if test "$(uname)" = Linux; then
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linuxver=$(uname -r)
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linuxmajor=$(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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if test "$linuxmajor" -gt 4 || test "$linuxmajor" -eq 4 -a "$linuxminor" -ge 1; then
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echo "skipping msan test; clang version $major.$minor (older than 3.8) incompatible with linux version $linuxmajor.$linuxminor (4.1 or newer)"
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exit 0
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fi
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fi
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fi
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fi
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status=0
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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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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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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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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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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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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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exit $status
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