23 lines
861 B
C++
23 lines
861 B
C++
// RUN: %clangxx_asan -O0 %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=MALLOC-CTX
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// Also works if no malloc context is available.
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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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// REQUIRES: stable-runtime
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#include <stdlib.h>
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#include <string.h>
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int main(int argc, char **argv) {
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char *x = (char*)malloc(10 * sizeof(char));
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memset(x, 0, 10);
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int res = x[argc];
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free(x + 5); // BOOM
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// CHECK: AddressSanitizer: attempting free on address{{.*}}in thread T0
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// CHECK: invalid-free.cc:[[@LINE-2]]
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// CHECK: is located 5 bytes inside of 10-byte region
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// CHECK: allocated by thread T0 here:
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// MALLOC-CTX: invalid-free.cc:[[@LINE-8]]
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return res;
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}
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