145 lines
4.4 KiB
Bash
145 lines
4.4 KiB
Bash
# Copyright (c) 2018 The NetBSD Foundation, Inc.
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# All rights reserved.
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#
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# This code is derived from software contributed to The NetBSD Foundation
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# by Yang Zheng.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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test_target()
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{
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SUPPORT='n'
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if uname -m | grep -q "amd64" && command -v cc >/dev/null 2>&1 && \
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! echo __clang__ | cc -E - | grep -q __clang__; then
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# only clang with major version newer than 7 is supported
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CLANG_MAJOR=`echo __clang_major__ | cc -E - | grep -o '^[[:digit:]]'`
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if [ "$CLANG_MAJOR" -ge "7" ]; then
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SUPPORT='y'
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fi
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fi
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}
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atf_test_case heap
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heap_head() {
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atf_set "descr" "Test memory sanitizer for uninitialized heap value case"
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atf_set "require.progs" "cc paxctl"
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}
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atf_test_case heap_profile
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heap_profile_head() {
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atf_set "descr" "Test memory sanitizer for uninitialized heap value with profiling option"
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atf_set "require.progs" "cc paxctl"
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}
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atf_test_case heap_pic
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heap_pic_head() {
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atf_set "descr" "Test memory sanitizer for uninitialized heap value with position independent code (PIC) flag"
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atf_set "require.progs" "cc paxctl"
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}
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atf_test_case heap_pie
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heap_pie_head() {
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atf_set "descr" "Test memory sanitizer for uninitialized heap value with position independent execution (PIE) flag"
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atf_set "require.progs" "cc paxctl"
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}
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heap_body(){
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cat > test.c << EOF
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#include <stdlib.h>
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int main() { int *a = (int *)malloc(sizeof(int)); return *a; }
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EOF
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cc -fsanitize=memory -o test test.c
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paxctl +a test
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atf_check -s ignore -o ignore -e match:"WARNING: MemorySanitizer: use-of-uninitialized-value" ./test
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}
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heap_profile_body(){
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cat > test.c << EOF
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#include <stdlib.h>
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int main() { int *a = (int *)malloc(sizeof(int)); return *a; }
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EOF
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cc -fsanitize=memory -static -o test -pg test.c
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paxctl +a test
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atf_check -s ignore -o ignore -e match:"WARNING: MemorySanitizer: use-of-uninitialized-value" ./test
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}
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heap_pic_body(){
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cat > test.c << EOF
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#include <stdio.h>
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#include <stdlib.h>
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int help(int);
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int main(int argc, char **argv) {return help(argc);}
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EOF
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cat > pic.c << EOF
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#include <stdlib.h>
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int help(int argc) { int *a = (int *)malloc(sizeof(int)); return *a; }
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EOF
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cc -fsanitize=memory -fPIC -shared -o libtest.so pic.c
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cc -o test test.c -fsanitize=memory -L. -ltest
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paxctl +a test
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export LD_LIBRARY_PATH=.
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atf_check -s ignore -o ignore -e match:"WARNING: MemorySanitizer: use-of-uninitialized-value" ./test
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}
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heap_pie_body(){
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#check whether -pie flag is supported on this architecture
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if ! cc -pie -dM -E - < /dev/null 2>/dev/null >/dev/null; then
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atf_set_skip "cc -pie not supported on this architecture"
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fi
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cat > test.c << EOF
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#include <stdlib.h>
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int main() { int *a = (int *)malloc(sizeof(int)); return *a; }
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EOF
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cc -fsanitize=memory -o test -fpie -pie test.c
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paxctl +a test
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atf_check -s ignore -o ignore -e match:"WARNING: MemorySanitizer: use-of-uninitialized-value" ./test
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}
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atf_test_case target_not_supported
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target_not_supported_head()
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{
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atf_set "descr" "Test forced skip"
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}
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target_not_supported_body()
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{
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atf_skip "Target is not supported"
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}
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atf_init_test_cases()
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{
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test_target
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test $SUPPORT = 'n' && {
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atf_add_test_case target_not_supported
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return 0
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}
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atf_add_test_case heap
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atf_add_test_case heap_profile
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atf_add_test_case heap_pie
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atf_add_test_case heap_pic
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}
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