compiler-rt/test/asan/TestCases/suppressions-exec-relative-location.cpp

   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(6);
  35   free(a);
  36   size_t len = strlen(a); // BOOM
  37   fprintf(stderr, "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