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// { dg-do run { target pthread } }
// { dg-options "-lasan -lpthread" }
// { dg-shouldfail "asan" }
#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);
}
// { dg-output "ERROR: AddressSanitizer: heap-use-after-free.*(\n|\r\n|\r)" }
// { dg-output "\[^\n\r]*WRITE of size 4 at 0x\[0-9a-f\]+ thread T(\[0-9\]+).*(\n|\r\n|\r)" }
// { dg-output "\[^\n\r]*freed by thread T(\[0-9\]+) here:.*(\n|\r\n|\r)" }
// { dg-output "\[^\n\r]*previously allocated by thread T(\[0-9\]+) here:.*(\n|\r\n|\r)" }
// { dg-output "Thread T\\2 created by T(\[0-9\]+) here:.*(\n|\r\n|\r)" }
// { dg-output "Thread T\\8 created by T0 here:.*(\n|\r\n|\r)" }
// { dg-output "Thread T\\4 created by T(\[0-9\]+) here:.*(\n|\r\n|\r)" }
// { dg-output "Thread T\\11 created by T0 here:.*(\n|\r\n|\r)" }
// { dg-output "Thread T\\6 created by T(\[0-9\]+) here:.*(\n|\r\n|\r)" }
// { dg-output "Thread T\\14 created by T0 here:" }
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