| 1 | // Test the behavior of malloc called from std:: when the allocation size |
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| 2 | // exceeds the sanitizer's allocator max allowed one. |
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| 3 | |
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| 4 | // RUN: %clangxx -O0 %s -o %t |
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| 5 | // RUN: %env_tool_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s |
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| 6 | |
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| 7 | // UBSAN has no allocator. |
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| 8 | // UNSUPPORTED: ubsan |
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| 9 | |
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| 10 | // REQUIRES: x86_64-target-arch |
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| 11 | |
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| 12 | #include <stdio.h> |
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| 13 | #include <stdlib.h> |
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| 14 | #include <vector> |
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| 15 | |
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| 16 | int main(int argc, char **argv) { |
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| 17 | // The maximum value of all supported sanitizers (search for |
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| 18 | // kMaxAllowedMallocSize). For ASan + LSan, ASan limit is used. |
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| 19 | constexpr size_t kMaxAllowedMallocSizePlusOne = (1ULL << 40) + 1; |
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| 20 | |
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| 21 | std::vector<char> v; |
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| 22 | v.resize(new_size: kMaxAllowedMallocSizePlusOne); |
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| 23 | |
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| 24 | fprintf(stderr, format: "x: %lx\n" , (long)v.data()); |
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| 25 | |
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| 26 | return 0; |
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| 27 | } |
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| 28 | |
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| 29 | // CHECK: #{{[0-9]+.*}}allocator_returns_null_std.cpp |
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| 30 | // CHECK: {{SUMMARY: .*Sanitizer: allocation-size-too-big.*allocator_returns_null_std.cpp.*}} in main |
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| 31 | |
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