// RUN: %clang_cl_asan -O0 %s -Fe%t // RUN: not %run %t 2>&1 | FileCheck %s #include <stdio.h> int main() { int subscript = 42; 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_right_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_right_oob.cc}} // CHECK: 'buffer' <== Memory access at offset [[OFFSET]] overflows this variable }