forked from OSchip/llvm-project
62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
// 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:
|