1 // RUN: %clangxx_asan -O %s -o %t
2 // RUN: not %run %t crash 2>&1 | FileCheck --check-prefix=CHECK-CRASH %s
3 // RUN: not %run %t bad-bounds 2>&1 | FileCheck --check-prefix=CHECK-BAD %s
4 // RUN: env ASAN_OPTIONS=detect_container_overflow=0 %run %t crash
5 //
6 // Test crash due to __sanitizer_annotate_contiguous_container.
7
8 #include <assert.h>
9 #include <string.h>
10
11 extern "C" {
12 void __sanitizer_annotate_contiguous_container(const void *beg, const void *end,
13 const void *old_mid,
14 const void *new_mid);
15 } // extern "C"
16
17 static volatile int one = 1;
18
TestCrash()19 int TestCrash() {
20 long t[100];
21 t[60] = 0;
22 __sanitizer_annotate_contiguous_container(&t[0], &t[0] + 100, &t[0] + 100,
23 &t[0] + 50);
24 return (int)t[60 * one]; // Touches the poisoned memory.
25 }
26
BadBounds()27 void BadBounds() {
28 long t[100];
29 __sanitizer_annotate_contiguous_container(&t[0], &t[0] + 100, &t[0] + 101,
30 &t[0] + 50);
31 }
32
main(int argc,char ** argv)33 int main(int argc, char **argv) {
34 assert(argc == 2);
35 if (!strcmp(argv[1], "crash"))
36 return TestCrash();
37 else if (!strcmp(argv[1], "bad-bounds"))
38 BadBounds();
39 }
40 // CHECK-CRASH: AddressSanitizer: container-overflow
41 // CHECK-BAD: ERROR: AddressSanitizer: bad parameters to __sanitizer_annotate_contiguous_container
42