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-BOUNDS %s
4 // RUN: not %run %t bad-alignment 2>&1 | FileCheck --check-prefix=CHECK-BAD-ALIGNMENT %s
5 // RUN: env ASAN_OPTIONS=detect_container_overflow=0 %run %t crash
6 //
7 // Test crash due to __sanitizer_annotate_contiguous_container.
8
9 #include <assert.h>
10 #include <string.h>
11
12 extern "C" {
13 void __sanitizer_annotate_contiguous_container(const void *beg, const void *end,
14 const void *old_mid,
15 const void *new_mid);
16 } // extern "C"
17
18 static volatile int one = 1;
19
TestCrash()20 int TestCrash() {
21 long t[100];
22 t[60] = 0;
23 __sanitizer_annotate_contiguous_container(&t[0], &t[0] + 100, &t[0] + 100,
24 &t[0] + 50);
25 // CHECK-CRASH: AddressSanitizer: container-overflow
26 return (int)t[60 * one]; // Touches the poisoned memory.
27 }
28
BadBounds()29 void BadBounds() {
30 long t[100];
31 // CHECK-BAD-BOUNDS: ERROR: AddressSanitizer: bad parameters to __sanitizer_annotate_contiguous_container
32 __sanitizer_annotate_contiguous_container(&t[0], &t[0] + 100, &t[0] + 101,
33 &t[0] + 50);
34 }
35
BadAlignment()36 void BadAlignment() {
37 int t[100];
38 // CHECK-BAD-ALIGNMENT: ERROR: AddressSanitizer: bad parameters to __sanitizer_annotate_contiguous_container
39 // CHECK-BAD-ALIGNMENT: ERROR: beg is not aligned by 8
40 __sanitizer_annotate_contiguous_container(&t[1], &t[0] + 100, &t[1] + 10,
41 &t[0] + 50);
42 }
43
main(int argc,char ** argv)44 int main(int argc, char **argv) {
45 assert(argc == 2);
46 if (!strcmp(argv[1], "crash"))
47 return TestCrash();
48 else if (!strcmp(argv[1], "bad-bounds"))
49 BadBounds();
50 else if (!strcmp(argv[1], "bad-alignment"))
51 BadAlignment();
52 }
53