| /* { 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 \[^\n\]*.*" } */ |