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FuzzDecodeEncodeDecode: yaml: invalid UTF-8 in tag "\xc0\x80" #53

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ernado opened this issue Apr 12, 2023 · 0 comments · Fixed by #54
Closed

FuzzDecodeEncodeDecode: yaml: invalid UTF-8 in tag "\xc0\x80" #53

ernado opened this issue Apr 12, 2023 · 0 comments · Fixed by #54
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@tdakkota
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fuzz Bug found by fuzzing

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@ernado
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ernado commented Apr 12, 2023 

--- FAIL: FuzzDecodeEncodeDecode (17.48s)
    --- FAIL: FuzzDecodeEncodeDecode (0.00s)
        fuzz_test.go:112: 
                Error Trace:    /src/faster/yamlx/fuzz_test.go:112
                                                        /usr/local/go/src/reflect/value.go:586
                                                        /usr/local/go/src/reflect/value.go:370
                                                        /usr/local/go/src/testing/fuzz.go:335
                Error:          Received unexpected error:
                                yaml: invalid UTF-8 in tag "\xc0\x80"
                Test:           FuzzDecodeEncodeDecode
        fuzz_test.go:91: Input: "!%C0%80"
    
    Failing input written to testdata/fuzz/FuzzDecodeEncodeDecode/f62dc59e4c32e1d6
    To re-run:
    go test -run=FuzzDecodeEncodeDecode/f62dc59e4c32e1d6

go test fuzz v1
[]byte("!%C0%80")
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fix: validate UTF-8 inside tag during parsing tdakkota/yamlx
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@ernado @tdakkota