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test/fuzzers: fuzz rlp handling of big.Int and uint256.Int #26917

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Apr 3, 2023
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test/fuzzers: fuzz rlp handling of big.Int and uint256.Int #26917

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13 changes: 13 additions & 0 deletions tests/fuzzers/rlp/rlp_fuzzer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -19,9 +19,11 @@ package rlp
import (
"bytes"
"fmt"
"math/big"

"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/rlp"
"github.com/holiman/uint256"
)

func decodeEncode(input []byte, val interface{}, i int) {
Expand Down Expand Up @@ -126,5 +128,16 @@ func Fuzz(input []byte) int {
var rs types.Receipts
decodeEncode(input, &rs, i)
}
{
i++
var v struct {
AnIntPtr *big.Int
AnInt big.Int
AnU256Ptr *uint256.Int
AnU256 uint256.Int
NotAnU256 [4]uint64
}
decodeEncode(input, &v, i)
}
return 1
}