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/* { dg-do run } */
/* { dg-require-effective-target hwaddress_exec } */
/* { dg-shouldfail "hwasan" } */
/* { dg-additional-options "-lpthread" } */
#include <pthread.h>
#ifdef __cplusplus
extern "C" {
#endif
extern int printf (char const *, ...);
#ifdef __cplusplus
}
#endif
typedef __UINTPTR_TYPE__ uintptr_t;
typedef __UINT64_TYPE__ uint64_t;
/* Test that tags are checked across different threads.
i.e. if this thread tries to access a different threads memory with the
incorrect tag, then this thread fails. */
void *
failing_thread_function (void *argument)
{
void * other = (void *)((uint64_t)argument & 0xffffffffffffffULL);
int *num = (int*)argument;
printf ("(should succeed): first number = %d\n", num[0]);
printf ("(now should fail):\n");
int *othernum = (int*)other;
printf (" second number = %d\n", othernum[0]);
return (void *)1;
}
int
main (int argc, char **argv)
{
int argument[100] = {0};
argument[1] = 10;
pthread_t thread_index;
pthread_create (&thread_index, NULL, failing_thread_function, (void*)argument);
void *retval;
pthread_join (thread_index, &retval);
return (uintptr_t)retval;
}
/* { dg-output "HWAddressSanitizer: tag-mismatch on address 0x\[0-9a-f\]*.*" } */
/* { dg-output "READ of size 4 at 0x\[0-9a-f\]* tags: 00/\[\[:xdigit:\]\]\[\[:xdigit:\]\].* \\(ptr/mem\\) in thread T1.*" } */
/* { dg-output "Address 0x\[0-9a-f\]* is located in stack of thread T0.*" } */
/* { dg-output "SUMMARY: HWAddressSanitizer: tag-mismatch \[^\n\]*.*" } */
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