gcc/testsuite/c-c++-common/asan/alloca_overflow_partial.c

   1 /* { dg-do run } */
   2 /* { dg-shouldfail "asan" } */
   3
   4 #include <assert.h>
   5
   6 volatile const int ten = 10;
   7
   8 __attribute__((noinline)) void foo(int index, int len) {
   9   volatile char str[len] __attribute__((aligned(32)));
  10   assert(!((long) str & 31L));
  11   str[index] = '1'; // BOOM
  12 }
  13
  14 int main(int argc, char **argv) {
  15   foo(ten, ten);
  16   return 0;
  17 }
  18
  19 /* { dg-output "WRITE of size 1 at 0x\[0-9a-f\]+ thread T0\[^\n\r]*(\n|\r\n|\r)" } */
  20 /* { dg-output "    #0 0x\[0-9a-f\]+ +(in _*foo(\[^\n\r]*alloca_overflow_partial.c:11|\[^\n\r]*:0|\[^\n\r]*\\+0x\[0-9a-z\]*)|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */
  21 /* { dg-output "\[^\n\r]*Address 0x\[0-9a-f\]+ is located in stack of thread T0.*(\n|\r\n|\r)" */
  22 /* { dg-output "\[^\n\r]*in foo.*alloca_overflow_partial.c.*(\n|\r\n|\r)" */