29 lines · cpp
1// RUN: %clangxx_asan -O0 %s -o %t2// RUN: %env_asan_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s3// RUN: %env_asan_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL4 5// REQUIRES: stable-runtime6 7#include <stdio.h>8#include <stdlib.h>9 10static const size_t kMaxAllowedMallocSizePlusOne =11#if __LP64__ || defined(_WIN64)12 (1ULL << 40) + 1;13#else14 (3UL << 30) + 1;15#endif16 17int main() {18 void *p = malloc(kMaxAllowedMallocSizePlusOne);19 // CHECK: {{ERROR: AddressSanitizer: requested allocation size .* \(.* after adjustments for alignment, red zones etc\.\) exceeds maximum supported size}}20 // CHECK: {{#0 0x.* in .*malloc}}21 // CHECK: {{#[1-3] 0x.* in main .*malloc-size-too-big.cpp:}}[[@LINE-3]]22 // CHECK: SUMMARY: AddressSanitizer: allocation-size-too-big23 24 printf("malloc returned: %zu\n", (size_t)p);25 // CHECK-NULL: malloc returned: 026 27 return 0;28}29