| 1 | // Check that without suppressions, we catch the issue. |
|---|
| 2 | // RUN: %clangxx_asan -O0 %s -o %t |
|---|
| 3 | // RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-CRASH %s |
|---|
| 4 | |
|---|
| 5 | // If the executable is started from a different location, we should still |
|---|
| 6 | // find the suppression file located relative to the location of the executable. |
|---|
| 7 | // RUN: rm -rf %t-dir |
|---|
| 8 | // RUN: mkdir -p %t-dir |
|---|
| 9 | // RUN: %clangxx_asan -O0 %s -o %t-dir/exec |
|---|
| 10 | // RUN: echo "interceptor_via_fun:crash_function" > \ |
|---|
| 11 | // RUN: %t-dir/supp.txt |
|---|
| 12 | // RUN: %env_asan_opts=suppressions='"supp.txt"' \ |
|---|
| 13 | // RUN: %run %t-dir/exec 2>&1 | \ |
|---|
| 14 | // RUN: FileCheck --check-prefix=CHECK-IGNORE %s |
|---|
| 15 | // RUN: rm -rf %t-dir |
|---|
| 16 | |
|---|
| 17 | // If the wrong absolute path is given, we don't try to construct |
|---|
| 18 | // a relative path with it. |
|---|
| 19 | // RUN: %env_asan_opts=suppressions='"/absolute/path"' not %run %t 2>&1 | \ |
|---|
| 20 | // RUN: FileCheck --check-prefix=CHECK-WRONG-FILE-NAME %s |
|---|
| 21 | |
|---|
| 22 | // Test that we reject directory as filename. |
|---|
| 23 | // RUN: %env_asan_opts=suppressions='"folder/only/"' not %run %t 2>&1 | \ |
|---|
| 24 | // RUN: FileCheck --check-prefix=CHECK-WRONG-FILE-NAME %s |
|---|
| 25 | |
|---|
| 26 | // XFAIL: android |
|---|
| 27 | // UNSUPPORTED: ios |
|---|
| 28 | |
|---|
| 29 | #include <stdio.h> |
|---|
| 30 | #include <stdlib.h> |
|---|
| 31 | #include <string.h> |
|---|
| 32 | |
|---|
| 33 | void crash_function() { |
|---|
| 34 | char *a = (char *)malloc(size: 6); |
|---|
| 35 | free(ptr: a); |
|---|
| 36 | size_t len = strlen(s: a); // BOOM |
|---|
| 37 | fprintf(stderr, format: "strlen ignored, len = %zu\n" , len); |
|---|
| 38 | } |
|---|
| 39 | |
|---|
| 40 | int main() { |
|---|
| 41 | crash_function(); |
|---|
| 42 | } |
|---|
| 43 | |
|---|
| 44 | // CHECK-CRASH: AddressSanitizer: heap-use-after-free |
|---|
| 45 | // CHECK-IGNORE-NOT: AddressSanitizer: heap-buffer-overflow |
|---|
| 46 | // CHECK-IGNORE: ignored |
|---|
| 47 | // CHECK-WRONG-FILE-NAME: failed to read suppressions file |
|---|
| 48 | |
|---|
