21 lines
710 B
C++
21 lines
710 B
C++
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// RUN: %clang_cl_asan -O0 %s -Fe%t
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// RUN: not %run %t 2>&1 | FileCheck %s
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#include <malloc.h>
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int main() {
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int *buffer = (int*)calloc(42, sizeof(int));
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free(buffer);
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buffer[0] = 42;
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// CHECK: AddressSanitizer: heap-use-after-free on address [[ADDR:0x[0-9a-f]+]]
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// CHECK: WRITE of size 4 at [[ADDR]] thread T0
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// CHECK-NEXT: {{#0 .* main .*calloc_uaf.cc}}:[[@LINE-3]]
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// CHECK: [[ADDR]] is located 0 bytes inside of 168-byte region
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// CHECK: freed by thread T0 here:
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// CHECK-NEXT: {{#0 .* free }}
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// CHECK-NEXT: {{#1 .* main .*calloc_uaf.cc}}:[[@LINE-8]]
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// CHECK: previously allocated by thread T0 here:
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// CHECK-NEXT: {{#0 .* calloc }}
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// CHECK-NEXT: {{#1 .* main .*calloc_uaf.cc}}:[[@LINE-12]]
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}
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