forked from OSchip/llvm-project
34 lines
1.5 KiB
C++
34 lines
1.5 KiB
C++
// RUN: %clangxx_asan -O0 %s -o %t
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// RUN: ASAN_OPTIONS=malloc_context_size=0:fast_unwind_on_malloc=0 not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os
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// RUN: ASAN_OPTIONS=malloc_context_size=0:fast_unwind_on_malloc=1 not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os
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// RUN: ASAN_OPTIONS=malloc_context_size=1:fast_unwind_on_malloc=0 not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os
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// RUN: ASAN_OPTIONS=malloc_context_size=1:fast_unwind_on_malloc=1 not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os
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// RUN: ASAN_OPTIONS=malloc_context_size=2 not %t 2>&1 | FileCheck %s --check-prefix=TWO
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int main() {
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char *x = new char[20];
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delete[] x;
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return x[0];
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// We need to keep duplicate lines with different 'CHECK-%os' prefixes,
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// otherwise FileCheck barks on missing 'CHECK-%os' before 'CHECK-%os-NEXT'.
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// CHECK-Linux: freed by thread T{{.*}} here:
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// CHECK-Linux-NEXT: #0 0x{{.*}} in operator delete[]
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// CHECK-Darwin: freed by thread T{{.*}} here:
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// CHECK-Darwin-NEXT: #0 0x{{.*}} in wrap__ZdaPv
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// CHECK-NOT: #1 0x{{.*}}
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// CHECK-Linux: previously allocated by thread T{{.*}} here:
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// CHECK-Linux-NEXT: #0 0x{{.*}} in operator new[]
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// CHECK-Darwin: previously allocated by thread T{{.*}} here:
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// CHECK-Darwin-NEXT: #0 0x{{.*}} in wrap__Znam
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// CHECK-NOT: #1 0x{{.*}}
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// CHECK: SUMMARY: AddressSanitizer: heap-use-after-free
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// TWO: previously allocated by thread T{{.*}} here:
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// TWO-NEXT: #0 0x{{.*}}
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// TWO-NEXT: #1 0x{{.*}} in main {{.*}}malloc_context_size.cc
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// TWO: SUMMARY: AddressSanitizer: heap-use-after-free
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}
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