From: Alex Shlyapnikov Date: Tue, 27 Mar 2018 17:45:53 +0000 (+0000) Subject: [HWASan] Make use-after-free c, not c++ test. X-Git-Tag: llvmorg-7.0.0-rc1~9529 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0e44f5eb8bea6931a0e47afd9fe5fc537a25bb4f;p=platform%2Fupstream%2Fllvm.git [HWASan] Make use-after-free c, not c++ test. To minimize testing surface (remove libstdc++ from the picture, for one), make use-after-free c, not c++ test. Differential Revision: https://reviews.llvm.org/D44705 llvm-svn: 328646 --- diff --git a/compiler-rt/test/hwasan/TestCases/use-after-free.c b/compiler-rt/test/hwasan/TestCases/use-after-free.c new file mode 100644 index 0000000..b9f6060 --- /dev/null +++ b/compiler-rt/test/hwasan/TestCases/use-after-free.c @@ -0,0 +1,39 @@ +// RUN: %clang_hwasan -O0 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD +// RUN: %clang_hwasan -O1 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD +// RUN: %clang_hwasan -O2 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD +// RUN: %clang_hwasan -O3 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD + +// RUN: %clang_hwasan -O0 -DSTORE %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,STORE + +// REQUIRES: stable-runtime + +#include +#include + +int main() { + __hwasan_enable_allocator_tagging(); + char * volatile x = (char*)malloc(10); + free(x); + __hwasan_disable_allocator_tagging(); +#ifdef STORE + x[5] = 42; +#endif +#ifdef LOAD + return x[5]; +#endif + // LOAD: READ of size 1 at + // LOAD: #0 {{.*}} in main {{.*}}use-after-free.c:22 + + // STORE: WRITE of size 1 at + // STORE: #0 {{.*}} in main {{.*}}use-after-free.c:19 + + // CHECK: freed here: + // CHECK: #0 {{.*}} in {{.*}}free{{.*}} {{.*}}hwasan_interceptors.cc + // CHECK: #1 {{.*}} in main {{.*}}use-after-free.c:16 + + // CHECK: previously allocated here: + // CHECK: #0 {{.*}} in {{.*}}malloc{{.*}} {{.*}}hwasan_interceptors.cc + // CHECK: #1 {{.*}} in main {{.*}}use-after-free.c:15 + + // CHECK: SUMMARY: HWAddressSanitizer: tag-mismatch {{.*}} in main +} diff --git a/compiler-rt/test/hwasan/TestCases/use-after-free.cc b/compiler-rt/test/hwasan/TestCases/use-after-free.cc deleted file mode 100644 index 6b9cf5a..0000000 --- a/compiler-rt/test/hwasan/TestCases/use-after-free.cc +++ /dev/null @@ -1,39 +0,0 @@ -// RUN: %clangxx_hwasan -O0 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD -// RUN: %clangxx_hwasan -O1 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD -// RUN: %clangxx_hwasan -O2 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD -// RUN: %clangxx_hwasan -O3 -DLOAD %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,LOAD - -// RUN: %clangxx_hwasan -O0 -DSTORE %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,STORE - -// REQUIRES: stable-runtime - -#include -#include - -int main() { - __hwasan_enable_allocator_tagging(); - char * volatile x = (char*)malloc(10); - free(x); - __hwasan_disable_allocator_tagging(); -#ifdef STORE - x[5] = 42; -#endif -#ifdef LOAD - return x[5]; -#endif - // LOAD: READ of size 1 at - // LOAD: #0 {{.*}} in main {{.*}}use-after-free.cc:22 - - // STORE: WRITE of size 1 at - // STORE: #0 {{.*}} in main {{.*}}use-after-free.cc:19 - - // CHECK: freed here: - // CHECK: #0 {{.*}} in {{.*}}free{{.*}} {{.*}}hwasan_interceptors.cc - // CHECK: #1 {{.*}} in main {{.*}}use-after-free.cc:16 - - // CHECK: previously allocated here: - // CHECK: #0 {{.*}} in {{.*}}malloc{{.*}} {{.*}}hwasan_interceptors.cc - // CHECK: #1 {{.*}} in main {{.*}}use-after-free.cc:15 - - // CHECK: SUMMARY: HWAddressSanitizer: tag-mismatch {{.*}} in main -}