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771f098a4d
New mutation: InsertRepeatedBytes. Updated mutation: EraseByte => EraseBytes. This helps https://github.com/google/sanitizers/issues/710 where libFuzzer was not able to find a known bug. Now it finds it in minutes. Hopefully, the change is general enough to help other targets. llvm-svn: 278687
33 lines
850 B
C++
33 lines
850 B
C++
// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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// Break through a series of strcmp.
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#include <cstring>
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#include <cstdint>
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#include <cstdio>
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#include <cstdlib>
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#include <cassert>
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bool Eq(const uint8_t *Data, size_t Size, const char *Str) {
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char Buff[1024];
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size_t Len = strlen(Str);
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if (Size < Len) return false;
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if (Len >= sizeof(Buff)) return false;
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memcpy(Buff, (char*)Data, Len);
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Buff[Len] = 0;
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int res = strcmp(Buff, Str);
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return res == 0;
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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if (Eq(Data, Size, "ABC") &&
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Size >= 3 && Eq(Data + 3, Size - 3, "QWER") &&
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Size >= 7 && Eq(Data + 7, Size - 7, "ZXCVN") &&
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Size >= 14 && Data[13] == 42
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) {
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fprintf(stderr, "BINGO\n");
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exit(1);
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}
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return 0;
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}
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