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18 lines
491 B
18 lines
491 B
// RUN: %clangxx_msan -O0 -g %s -o %t |
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// RUN: not %run %t 2>&1 | FileCheck %s |
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// RUN: MSAN_OPTIONS=intercept_memcmp=0 %run %t |
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#include <string.h> |
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#include <stdio.h> |
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int main(int argc, char **argv) { |
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char a1[4]; |
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char a2[4]; |
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for (int i = 0; i < argc * 3; i++) |
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a2[i] = a1[i] = i; |
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int res = memcmp(a1, a2, 4); |
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if (!res) |
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printf("equals"); |
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return 0; |
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// CHECK: Uninitialized bytes in __interceptor_memcmp at offset 3 |
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// CHECK: MemorySanitizer: use-of-uninitialized-value |
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}
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