1 // RUN: %clangxx_asan -O0 -mllvm -asan-instrument-allocas %s -o %t 2 // RUN: not %run %t 2>&1 | FileCheck %s 3 // 4 // REQUIRES: stable-runtime 5 6 #include <assert.h> 7 #include <stdint.h> 8 9 void foo(int index, int len) { 10 for (int i = 1; i < len; ++i) { 11 char array[len]; // NOLINT 12 assert(!(reinterpret_cast<uintptr_t>(array) & 31L)); 13 array[index + i] = 0; 14 // CHECK: ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] 15 // CHECK: WRITE of size 1 at [[ADDR]] thread T0 16 } 17 } 18 19 int main(int argc, char **argv) { 20 foo(9, 21); 21 return 0; 22 } 23
