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extend fuzzing with different parse options #1038

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Merged
grisumbras merged 1 commit into from
Sep 6, 2024
Merged

extend fuzzing with different parse options #1038

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6 changes: 5 additions & 1 deletion fuzzing/fuzz_parser.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -103,6 +103,10 @@ LLVMFuzzerTestOneInput(
// select memory strategy to use
const int strategy=data[1] & 0x3;

// select number precision to use
const int precision=((data[1] & 0xC) >> 2) % 3;
fh.opt.numbers = static_cast<number_precision>(precision);

// memory limits
fh.memlimit1=data[2]*256+data[3];
fh.memlimit2=data[4]*256+data[5];
Expand All @@ -121,7 +125,7 @@ LLVMFuzzerTestOneInput(
fh.useDefault();
break;
case 1:
fh.useDefault();
fh.useMonotonic();
break;
case 2:
fh.useLocalBuffer();
Expand Down