1 // RUN: %clang_cl_asan -O0 %s -Fe%t 2 // RUN: not %run %t 2>&1 | FileCheck %s 3 4 #include <malloc.h> 5 6 int main() { 7 char *buffer = (char*)malloc(42); 8 buffer[-1] = 42; 9 // CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] 10 // CHECK: WRITE of size 1 at [[ADDR]] thread T0 11 // CHECK-NEXT: {{#0 .* main .*malloc_left_oob.cc}}:[[@LINE-3]] 12 // CHECK: [[ADDR]] is located 1 bytes to the left of 42-byte region 13 // CHECK: allocated by thread T0 here: 14 // CHECK-NEXT: {{#0 .* malloc }} 15 // CHECK-NEXT: {{#1 .* main .*malloc_left_oob.cc}}:[[@LINE-8]] 16 free(buffer); 17 } 18
