reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18

// RUN: %clangxx_asan -O0 -mllvm -asan-instrument-dynamic-allocas %s -o %t
// RUN: not %run %t 2>&1 | FileCheck %s
//

#include <assert.h>

__attribute__((noinline)) void foo(int index, int len) {
  volatile char str[len] __attribute__((aligned(32)));
  assert(!(reinterpret_cast<long>(str) & 31L));
  str[index] = '1'; // BOOM
// CHECK: ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
// CHECK: WRITE of size 1 at [[ADDR]] thread T0
}

int main(int argc, char **argv) {
  foo(33, 10);
  return 0;
}