8000 Out of memory when Decode is passed certain invalid data · Issue #11 · jackpal/bencode-go · GitHub
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Out of memory when Decode is passed certain invalid data #11
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@jakobvarmose

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@jakobvarmose

When the data contains a large string length as in the example below, decodeString tries to allocate all of this memory upfront so the program crashes.

package main

import (
	"bytes"
	"fmt"

	"github.com/jackpal/bencode-go"
)

func main() {
	data := []byte("99999999999:")
	buf := bytes.NewBuffer(data)
	res, err := bencode.Decode(buf)
	fmt.Println(res, err)
}

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