1 // RUN: %clangxx_asan -O0 -mllvm -asan-instrument-allocas %s -o %t 2 // RUN: not %run %t 2>&1 | FileCheck %s 3 // 4 5 #include <assert.h> 6 7 __attribute__((noinline)) void foo(int index, int len) { 8 volatile char str[len] __attribute__((aligned(32))); 9 assert(!(reinterpret_cast<long>(str) & 31L)); 10 str[index] = '1'; // BOOM 11 // CHECK: ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] 12 // CHECK: WRITE of size 1 at [[ADDR]] thread T0 13 } 14 15 int main(int argc, char **argv) { 16 foo(-1, 10); 17 return 0; 18 } 19
