xref: /aosp_15_r20/external/compiler-rt/test/asan/TestCases/longjmp.cc (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6)
1*7c3d14c8STreehugger Robot // RUN: %clangxx_asan -O %s -o %t && %run %t
2*7c3d14c8STreehugger Robot 
3*7c3d14c8STreehugger Robot #include <assert.h>
4*7c3d14c8STreehugger Robot #include <setjmp.h>
5*7c3d14c8STreehugger Robot #include <stdio.h>
6*7c3d14c8STreehugger Robot #include <sanitizer/asan_interface.h>
7*7c3d14c8STreehugger Robot 
8*7c3d14c8STreehugger Robot static jmp_buf buf;
9*7c3d14c8STreehugger Robot 
main()10*7c3d14c8STreehugger Robot int main() {
11*7c3d14c8STreehugger Robot   char x[32];
12*7c3d14c8STreehugger Robot   fprintf(stderr, "\nTestLongJmp\n");
13*7c3d14c8STreehugger Robot   fprintf(stderr, "Before: %p poisoned: %d\n", &x,
14*7c3d14c8STreehugger Robot           __asan_address_is_poisoned(x + 32));
15*7c3d14c8STreehugger Robot   assert(__asan_address_is_poisoned(x + 32));
16*7c3d14c8STreehugger Robot   if (0 == setjmp(buf))
17*7c3d14c8STreehugger Robot     longjmp(buf, 1);
18*7c3d14c8STreehugger Robot   fprintf(stderr, "After:  %p poisoned: %d\n",  &x,
19*7c3d14c8STreehugger Robot           __asan_address_is_poisoned(x + 32));
20*7c3d14c8STreehugger Robot   // FIXME: Invert this assertion once we fix
21*7c3d14c8STreehugger Robot   // https://code.google.com/p/address-sanitizer/issues/detail?id=258
22*7c3d14c8STreehugger Robot   // This assertion works only w/o UAR.
23*7c3d14c8STreehugger Robot   if (!__asan_get_current_fake_stack())
24*7c3d14c8STreehugger Robot     assert(!__asan_address_is_poisoned(x + 32));
25*7c3d14c8STreehugger Robot }
26