15d71de26cedae3dafc17449fe0182045c0bd20e8Stephen Hines// RUN: %clang_cl_asan -O0 %s -Fe%t 22d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// RUN: not %run %t 2>&1 | FileCheck %s 32d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 42d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#include <stdio.h> 52d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#include <string.h> 62d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#include <malloc.h> 72d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 82d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hinesint main() { 92d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines char *ptr = _strdup("Hello"); 102d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines int subscript = 1; 112d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines ptr[subscript] = '3'; 122d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines printf("%s\n", ptr); 132d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines fflush(0); 142d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// CHECK: H3llo 152d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 162d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines subscript = -1; 172d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines ptr[subscript] = 42; 182d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] 192d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// CHECK: WRITE of size 1 at [[ADDR]] thread T0 202d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// CHECK: {{#0 .* main .*}}intercept_strdup.cc:[[@LINE-3]] 212d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// CHECK: [[ADDR]] is located 1 bytes to the left of 6-byte region 222d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// CHECK: allocated by thread T0 here: 232d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// CHECK: {{#0 .* malloc }} 242d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// CHECK: {{#1 .* _strdup }} 252d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines// CHECK: {{#2 .* main .*}}intercept_strdup.cc:[[@LINE-16]] 262d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines free(ptr); 272d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines} 28