| // RUN: %clang_cl_asan -O0 %s -Fe%t |
| // RUN: not %run %t 2>&1 | FileCheck %s |
| |
| #include <stdio.h> |
| |
| int main() { |
| int subscript = -1; |
| char buffer[42]; |
| buffer[subscript] = 42; |
| // CHECK: AddressSanitizer: stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] |
| // CHECK: WRITE of size 1 at [[ADDR]] thread T0 |
| // CHECK-NEXT: {{#0 .* main .*stack_array_left_oob.cc}}:[[@LINE-3]] |
| // CHECK: Address [[ADDR]] is located in stack of thread T0 at offset [[OFFSET:.*]] in frame |
| // CHECK-NEXT: {{#0 .* main .*stack_array_left_oob.cc}} |
| // CHECK: 'buffer' <== Memory access at offset [[OFFSET]] underflows this variable |
| } |
