forked from OSchip/llvm-project
59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
// RUN: %clangxx_asan -O0 %s -pthread -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O1 %s -pthread -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O2 %s -pthread -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O3 %s -pthread -o %t && not %run %t 2>&1 | FileCheck %s
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// REQUIRES: stable-runtime
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#include <pthread.h>
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int *x;
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void *AllocThread(void *arg) {
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x = new int;
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*x = 42;
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return NULL;
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}
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void *FreeThread(void *arg) {
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delete x;
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return NULL;
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}
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void *AccessThread(void *arg) {
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*x = 43; // BOOM
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return NULL;
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}
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typedef void* (*callback_type)(void* arg);
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void *RunnerThread(void *function) {
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pthread_t thread;
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pthread_create(&thread, NULL, (callback_type)function, NULL);
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pthread_join(thread, NULL);
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return NULL;
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}
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void RunThread(callback_type function) {
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pthread_t runner;
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pthread_create(&runner, NULL, RunnerThread, (void*)function);
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pthread_join(runner, NULL);
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}
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int main(int argc, char *argv[]) {
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RunThread(AllocThread);
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RunThread(FreeThread);
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RunThread(AccessThread);
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return (x != 0);
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}
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// CHECK: AddressSanitizer: heap-use-after-free
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// CHECK: WRITE of size 4 at 0x{{.*}} thread T[[ACCESS_THREAD:[0-9]+]]
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// CHECK: freed by thread T[[FREE_THREAD:[0-9]+]] here:
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// CHECK: previously allocated by thread T[[ALLOC_THREAD:[0-9]+]] here:
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// CHECK: Thread T[[ACCESS_THREAD]] created by T[[ACCESS_RUNNER:[0-9]+]] here:
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// CHECK: Thread T[[ACCESS_RUNNER]] created by T0 here:
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// CHECK: Thread T[[FREE_THREAD]] created by T[[FREE_RUNNER:[0-9]+]] here:
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// CHECK: Thread T[[FREE_RUNNER]] created by T0 here:
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// CHECK: Thread T[[ALLOC_THREAD]] created by T[[ALLOC_RUNNER:[0-9]+]] here:
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// CHECK: Thread T[[ALLOC_RUNNER]] created by T0 here:
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