forked from OSchip/llvm-project
28 lines
1.1 KiB
C++
28 lines
1.1 KiB
C++
// RUN: %clangxx_asan -O0 %s -o %t
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// RUN: %env_asan_opts=malloc_context_size=0:fast_unwind_on_malloc=0 not %run %t 2>&1 | FileCheck %s
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// RUN: %env_asan_opts=malloc_context_size=0:fast_unwind_on_malloc=1 not %run %t 2>&1 | FileCheck %s
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// RUN: %env_asan_opts=malloc_context_size=1:fast_unwind_on_malloc=0 not %run %t 2>&1 | FileCheck %s
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// RUN: %env_asan_opts=malloc_context_size=1:fast_unwind_on_malloc=1 not %run %t 2>&1 | FileCheck %s
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// RUN: %env_asan_opts=malloc_context_size=2 not %run %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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// CHECK: freed by thread T{{.*}} here:
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// CHECK-NEXT: #0 0x{{.*}} in {{operator delete( )?\[\]|wrap__ZdaPv}}
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// CHECK-NOT: #1 0x{{.*}}
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// CHECK: previously allocated by thread T{{.*}} here:
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// CHECK-NEXT: #0 0x{{.*}} in {{operator new( )?\[\]|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.cpp
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// TWO: SUMMARY: AddressSanitizer: heap-use-after-free
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}
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