compiler-rt/test/asan/TestCases/Windows/unsymbolized.cpp

   1 // When we link a binary without the -debug flag, ASan should print out VAs
   2 // instead of RVAs. The frames for main and do_uaf should be above 0x400000,
   3 // which is the default image base of an executable.
   4
   5 // RUN: rm -f %t.pdb
   6 // RUN: %clangxx_asan -c -O2 %s -o %t.obj
   7 // RUN: lld-link /nologo /OUT:%t.exe %t.obj -defaultlib:libcmt -nodefaultlib:msvcrt -defaultlib:oldnames %asan_static_runtime_thunk %asan_lib
   8 // RUN: not %run %t.exe 2>&1 | FileCheck %s
   9 // REQUIRES: lld-available
  10
  11 #include <stdlib.h>
  12 #include <stdio.h>
  13 int __attribute__((noinline)) do_uaf(void);
  14 int main() {
  15   int r = do_uaf();
  16   printf("r: %d\n", r);
  17   return r;
  18 }
  19 int do_uaf(void) {
  20   char *x = (char*)malloc(10 * sizeof(char));
  21   free(x);
  22   return x[5];
  23   // CHECK: AddressSanitizer: heap-use-after-free
  24   // CHECK: #0 {{0x[a-f0-9]+ \(.*[\\/]unsymbolized.cpp.*.exe\+(0x40|0x14000)[a-f0-9]{4}\)}}
  25   // CHECK: #1 {{0x[a-f0-9]+ \(.*[\\/]unsymbolized.cpp.*.exe\+(0x40|0x14000)[a-f0-9]{4}\)}}
  26 }