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[asan] Add a test for interceptors in shared libraries. 

llvm-svn: 202037
This commit is contained in:
Evgeniy Stepanov 2014-02-24 14:31:28 +00:00
parent c099c958bc
commit 4bf7a268e0
3 changed files with 28 additions and 1 deletions
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6
compiler-rt/test/asan/TestCases/SharedLibs/shared-lib-test-so.cc
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@ -11,6 +11,7 @@
//
//===----------------------------------------------------------------------===//
#include <stdio.h>
#include <string.h>
int pad[10];
int GLOB[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
@ -24,3 +25,8 @@ extern "C"
void inc2(int *a, int index) {
a[index]++;
}
extern "C"
void my_memset(void *p, size_t sz) {
memset(p, 0, sz);
}

2
compiler-rt/test/asan/TestCases/asan-symbolize-sanity-test.cc
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@ -30,7 +30,7 @@ int main(int argc, char *argv[]) {
inc2(array, -1); // BOOM
// CHECK: ERROR: AddressSanitizer: heap-buffer-overflow
// CHECK: READ of size 4 at 0x{{.*}}
// CHECK: #0 {{.*}} in inc2 {{.*}}shared-lib-test-so.cc:25
// CHECK: #0 {{.*}} in inc2 {{.*}}shared-lib-test-so.cc:26
// CHECK: #1 {{.*}} in main {{.*}}asan-symbolize-sanity-test.cc:[[@LINE-4]]
// CHECK: allocated by thread T{{.*}} here:
// CHECK: #{{.*}} in {{(wrap_|__interceptor_)?}}malloc

21
compiler-rt/test/asan/TestCases/interception-in-shared-lib-test.cc Normal file
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@ -0,0 +1,21 @@
// Check that memset() call from a shared library gets intercepted.
// RUN: %clangxx_asan -O0 %p/SharedLibs/shared-lib-test-so.cc \
// RUN: -shared -o %T/libinterception-in-shared-lib-test.so \
// RUN: -fPIC -Wl,--soname,libinterception-in-shared-lib-test.so
// RUN: %clangxx_asan -O0 %s -o %t -Wl,-R,\$ORIGIN -L%T -linterception-in-shared-lib-test && \
// RUN: not %t 2>&1 | FileCheck %s
#include <stdio.h>
#include <string.h>
extern "C" void my_memset(void *p, size_t sz);
int main(int argc, char *argv[]) {
char buf[10];
my_memset(buf, 11);
// CHECK: {{.*ERROR: AddressSanitizer: stack-buffer-overflow}}
// CHECK: {{WRITE of size 11 at 0x.* thread T0}}
// CHECK: {{ #0 0x.* in my_memset .*shared-lib-test-so.cc:31}}
return 0;
}