// RUN: %clangxx_asan -O0 %s -o %t // RUN: %env_asan_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s // RUN: %env_asan_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL // REQUIRES: stable-runtime #include #include static const size_t kMaxAllowedMallocSizePlusOne = #if __LP64__ || defined(_WIN64) (1ULL << 40) + 1; #else (3UL << 30) + 1; #endif int main() { void *p = malloc(kMaxAllowedMallocSizePlusOne); // CHECK: {{ERROR: AddressSanitizer: requested allocation size .* \(.* after adjustments for alignment, red zones etc\.\) exceeds maximum supported size}} // CHECK: {{#0 0x.* in .*malloc}} // CHECK: {{#1 0x.* in main .*malloc-size-too-big.cc:}}[[@LINE-3]] // CHECK: SUMMARY: AddressSanitizer: allocation-size-too-big printf("malloc returned: %zu\n", (size_t)p); // CHECK-NULL: malloc returned: 0 return 0; }