forked from OSchip/llvm-project
29 lines
885 B
C
29 lines
885 B
C
// RUN: %clang_hwasan %s -o %t
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// RUN: not %run %t 50 2>&1 | FileCheck %s
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// RUN: not %run %t 40 2>&1 | FileCheck %s
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// RUN: not %run %t 30 2>&1 | FileCheck %s
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// REQUIRES: stable-runtime
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#include <stdlib.h>
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#include <stdio.h>
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#include <sanitizer/hwasan_interface.h>
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int main(int argc, char **argv) {
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__hwasan_enable_allocator_tagging();
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if (argc != 2) return 0;
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int realloc_size = atoi(argv[1]);
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char * volatile x = (char*)malloc(40);
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free(x);
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x = realloc(x, realloc_size);
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// CHECK: ERROR: HWAddressSanitizer: invalid-free on address
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// CHECK: tags: [[PTR_TAG:..]]/[[MEM_TAG:..]] (ptr/mem)
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// CHECK: freed by thread {{.*}} here:
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// CHECK: previously allocated here:
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// CHECK: Memory tags around the buggy address (one tag corresponds to 16 bytes):
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// CHECK: =>{{.*}}[[MEM_TAG]]
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fprintf(stderr, "DONE\n");
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__hwasan_disable_allocator_tagging();
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// CHECK-NOT: DONE
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}
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