[compiler-rt] r202037 - [asan] Add a test for interceptors in shared libraries.

[Alexey Samsonov]

Should this test be Linux-specific? It fails on Mac with:
ld: unknown option: --soname


On Mon, Feb 24, 2014 at 6:31 PM, Evgeniy Stepanov <eugeni.stepanov at gmail.com
> wrote:

> Author: eugenis
> Date: Mon Feb 24 08:31:28 2014
> New Revision: 202037
>
> URL: http://llvm.org/viewvc/llvm-project?rev=202037&view=rev
> Log:
> [asan] Add a test for interceptors in shared libraries.
>
> Added:
>
> compiler-rt/trunk/test/asan/TestCases/interception-in-shared-lib-test.cc
> (with props)
> Modified:
>     compiler-rt/trunk/test/asan/TestCases/SharedLibs/shared-lib-test-so.cc
>     compiler-rt/trunk/test/asan/TestCases/asan-symbolize-sanity-test.cc
>
> Modified:
> compiler-rt/trunk/test/asan/TestCases/SharedLibs/shared-lib-test-so.cc
> URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/asan/TestCases/SharedLibs/shared-lib-test-so.cc?rev=202037&r1=202036&r2=202037&view=diff
>
> ==============================================================================
> --- compiler-rt/trunk/test/asan/TestCases/SharedLibs/shared-lib-test-so.cc
> (original)
> +++ compiler-rt/trunk/test/asan/TestCases/SharedLibs/shared-lib-test-so.cc
> Mon Feb 24 08:31:28 2014
> @@ -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);
> +}
>
> Modified:
> compiler-rt/trunk/test/asan/TestCases/asan-symbolize-sanity-test.cc
> URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/asan/TestCases/asan-symbolize-sanity-test.cc?rev=202037&r1=202036&r2=202037&view=diff
>
> ==============================================================================
> --- compiler-rt/trunk/test/asan/TestCases/asan-symbolize-sanity-test.cc
> (original)
> +++ compiler-rt/trunk/test/asan/TestCases/asan-symbolize-sanity-test.cc
> Mon Feb 24 08:31:28 2014
> @@ -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
>
> Added:
> compiler-rt/trunk/test/asan/TestCases/interception-in-shared-lib-test.cc
> URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/asan/TestCases/interception-in-shared-lib-test.cc?rev=202037&view=auto
>
> ==============================================================================
> ---
> compiler-rt/trunk/test/asan/TestCases/interception-in-shared-lib-test.cc
> (added)
> +++
> compiler-rt/trunk/test/asan/TestCases/interception-in-shared-lib-test.cc
> Mon Feb 24 08:31:28 2014
> @@ -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;
> +}
>
> Propchange:
> compiler-rt/trunk/test/asan/TestCases/interception-in-shared-lib-test.cc
>
> ------------------------------------------------------------------------------
>     svn:eol-style = LF
>
>
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>



-- 
Alexey Samsonov, MSK
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