| 1 | // RUN: %clang_cl_asan %Od %s %Fe%t |
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| 2 | // RUN: not %run %t 2>&1 | FileCheck %s |
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| 3 | |
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| 4 | int main() { |
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| 5 | char *buffer = new char[42]; |
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| 6 | buffer[-1] = 42; |
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| 7 | // CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] |
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| 8 | // CHECK: WRITE of size 1 at [[ADDR]] thread T0 |
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| 9 | // CHECK-NEXT: {{#0 .* main .*operator_array_new_left_oob.cpp}}:[[@LINE-3]] |
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| 10 | // |
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| 11 | // CHECK: [[ADDR]] is located 1 bytes before 42-byte region |
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| 12 | // CHECK-LABEL: allocated by thread T0 here: |
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| 13 | // CHECK-NEXT: {{#0 .* operator new}}[] |
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| 14 | // CHECK-NEXT: {{#1 .* main .*operator_array_new_left_oob.cpp}}:[[@LINE-9]] |
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| 15 | delete [] buffer; |
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| 16 | } |
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| 17 | |
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