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Diffstat (limited to 'lib/asan/lit_tests/deep_thread_stack.cc')
-rw-r--r-- | lib/asan/lit_tests/deep_thread_stack.cc | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/deep_thread_stack.cc b/lib/asan/lit_tests/deep_thread_stack.cc new file mode 100644 index 000000000000..781508d61616 --- /dev/null +++ b/lib/asan/lit_tests/deep_thread_stack.cc @@ -0,0 +1,61 @@ +// RUN: %clangxx_asan -m64 -O0 %s -o %t && %t 2>&1 | %symbolize | FileCheck %s +// RUN: %clangxx_asan -m64 -O1 %s -o %t && %t 2>&1 | %symbolize | FileCheck %s +// RUN: %clangxx_asan -m64 -O2 %s -o %t && %t 2>&1 | %symbolize | FileCheck %s +// RUN: %clangxx_asan -m64 -O3 %s -o %t && %t 2>&1 | %symbolize | FileCheck %s +// RUN: %clangxx_asan -m32 -O0 %s -o %t && %t 2>&1 | %symbolize | FileCheck %s +// RUN: %clangxx_asan -m32 -O1 %s -o %t && %t 2>&1 | %symbolize | FileCheck %s +// RUN: %clangxx_asan -m32 -O2 %s -o %t && %t 2>&1 | %symbolize | FileCheck %s +// RUN: %clangxx_asan -m32 -O3 %s -o %t && %t 2>&1 | %symbolize | FileCheck %s + +#include <pthread.h> + +int *x; + +void *AllocThread(void *arg) { + x = new int; + *x = 42; + return NULL; +} + +void *FreeThread(void *arg) { + delete x; + return NULL; +} + +void *AccessThread(void *arg) { + *x = 43; // BOOM + return NULL; +} + +typedef void* (*callback_type)(void* arg); + +void *RunnerThread(void *function) { + pthread_t thread; + pthread_create(&thread, NULL, (callback_type)function, NULL); + pthread_join(thread, NULL); + return NULL; +} + +void RunThread(callback_type function) { + pthread_t runner; + pthread_create(&runner, NULL, RunnerThread, (void*)function); + pthread_join(runner, NULL); +} + +int main(int argc, char *argv[]) { + RunThread(AllocThread); + RunThread(FreeThread); + RunThread(AccessThread); + return (x != 0); +} + +// CHECK: AddressSanitizer: heap-use-after-free +// CHECK: WRITE of size 4 at 0x{{.*}} thread T[[ACCESS_THREAD:[0-9]+]] +// CHECK: freed by thread T[[FREE_THREAD:[0-9]+]] here: +// CHECK: previously allocated by thread T[[ALLOC_THREAD:[0-9]+]] here: +// CHECK: Thread T[[ACCESS_THREAD]] created by T[[ACCESS_RUNNER:[0-9]+]] here: +// CHECK: Thread T[[ACCESS_RUNNER]] created by T0 here: +// CHECK: Thread T[[FREE_THREAD]] created by T[[FREE_RUNNER:[0-9]+]] here: +// CHECK: Thread T[[FREE_RUNNER]] created by T0 here: +// CHECK: Thread T[[ALLOC_THREAD]] created by T[[ALLOC_RUNNER:[0-9]+]] here: +// CHECK: Thread T[[ALLOC_RUNNER]] created by T0 here: |