| 1 | // RUN: %clangxx_asan -O0 %s -o %t |
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| 2 | // RUN: %env_asan_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s |
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| 3 | // RUN: %env_asan_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL |
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| 4 | |
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| 5 | // REQUIRES: stable-runtime |
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| 6 | |
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| 7 | #include <stdio.h> |
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| 8 | #include <stdlib.h> |
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| 9 | |
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| 10 | static const size_t kMaxAllowedMallocSizePlusOne = |
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| 11 | #if __LP64__ || defined(_WIN64) |
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| 12 | (1ULL << 40) + 1; |
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| 13 | #else |
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| 14 | (3UL << 30) + 1; |
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| 15 | #endif |
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| 16 | |
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| 17 | int main() { |
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| 18 | void *p = malloc(size: kMaxAllowedMallocSizePlusOne); |
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| 19 | // CHECK: {{ERROR: AddressSanitizer: requested allocation size .* \(.* after adjustments for alignment, red zones etc\.\) exceeds maximum supported size}} |
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| 20 | // CHECK: {{#0 0x.* in .*malloc}} |
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| 21 | // CHECK: {{#[1-3] 0x.* in main .*malloc-size-too-big.cpp:}}[[@LINE-3]] |
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| 22 | // CHECK: SUMMARY: AddressSanitizer: allocation-size-too-big |
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| 23 | |
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| 24 | printf(format: "malloc returned: %zu\n" , (size_t)p); |
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| 25 | // CHECK-NULL: malloc returned: 0 |
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| 26 | |
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| 27 | return 0; |
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| 28 | } |
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| 29 | |
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