28 lines
1.0 KiB
C++
28 lines
1.0 KiB
C++
// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// When built as C on Linux, strndup is transformed to __strndup.
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// RUN: %clangxx_asan -O3 -xc %s -o %t && not %run %t 2>&1 | FileCheck %s
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// Unwind problem on arm: "main" is missing from the allocation stack trace.
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// UNSUPPORTED: windows-msvc,s390,arm && !fast-unwinder-works
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#include <string.h>
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char kString[] = "foo";
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int main(int argc, char **argv) {
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char *copy = strndup(kString, 2);
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int x = copy[2 + argc]; // BOOM
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// CHECK: AddressSanitizer: heap-buffer-overflow
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// CHECK: #0 {{.*}}main {{.*}}strndup_oob_test.cpp:[[@LINE-2]]
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// CHECK-LABEL: allocated by thread T{{.*}} here:
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// CHECK: #{{[01]}} {{.*}}strndup
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// CHECK: #{{.*}}main {{.*}}strndup_oob_test.cpp:[[@LINE-6]]
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// CHECK-LABEL: SUMMARY
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// CHECK: strndup_oob_test.cpp:[[@LINE-7]]
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return x;
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}
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