forked from OSchip/llvm-project
33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
// RUN: %clang_hwasan %s -o %t
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// RUN: not %run %t 5 10 2>&1 | FileCheck %s --check-prefix=CHECK5
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// RUN: not %run %t 7 10 2>&1 | FileCheck %s --check-prefix=CHECK7
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// RUN: not %run %t 8 20 2>&1 | FileCheck %s --check-prefix=CHECK8
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// RUN: not %run %t 32 20 2>&1 | FileCheck %s --check-prefix=CHECK32
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// REQUIRES: stable-runtime
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#include <sanitizer/hwasan_interface.h>
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#include <stdio.h>
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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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__hwasan_enable_allocator_tagging();
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if (argc < 2) {
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fprintf(stderr, "Invalid number of arguments.");
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abort();
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}
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int read_offset = argc < 2 ? 5 : atoi(argv[1]);
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int size = argc < 3 ? 10 : atoi(argv[2]);
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char *volatile x = (char *)malloc(size);
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memset(x + read_offset, 0, 26);
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// CHECK5: Invalid access starting at offset 5
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// CHECK5: is located 5 bytes inside 10-byte region
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// CHECK7: Invalid access starting at offset 3
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// CHECK7: is located 7 bytes inside 10-byte region
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// CHECK8: Invalid access starting at offset 12
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// CHECK8: is located 8 bytes inside 20-byte region
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// CHECK32: is located 12 bytes to the right of 20-byte region
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free(x);
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}
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