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core/beacon: prevent invalid logsBloom length panic #24946

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merged 5 commits into from May 31, 2022
Merged

core/beacon: prevent invalid logsBloom length panic #24946

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854af2a
core/beacon: prevent invalid logsBloom length panic
MariusVanDerWijden May 24, 2022
5e7a49d
core/beacon: prevent negative baseFeePerGas
MariusVanDerWijden May 24, 2022
035cb54
Update core/beacon/types.go
MariusVanDerWijden May 30, 2022
0bafaa9
Merge branch 'master' into bloom-panic
holiman May 31, 2022
e63cb8e
eth/catalys: go format
holiman May 31, 2022
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3 changes: 3 additions & 0 deletions core/beacon/types.go
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Expand Up @@ -148,6 +148,9 @@ func ExecutableDataToBlock(params ExecutableDataV1) (*types.Block, error) {
if len(params.ExtraData) > 32 {
return nil, fmt.Errorf("invalid extradata length: %v", len(params.ExtraData))
}
if len(params.LogsBloom) != 256 {
return nil, fmt.Errorf("invalid logsBloom length: %v", len(params.LogsBloom))
}
Comment on lines +151 to +153
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If we're fixing these to be robust -- one other funky thing that can happen, I think, is that the params.BaseFeePerGas can be negative, setting the header basefee to negative. I've no idea what would happen later, but probably nothing good.

header := &types.Header{
ParentHash: params.ParentHash,
UncleHash: types.EmptyUncleHash,
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24 changes: 24 additions & 0 deletions eth/catalyst/api_test.go
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Expand Up @@ -794,3 +794,27 @@ func TestTrickRemoteBlockCache(t *testing.T) {
time.Sleep(100 * time.Millisecond)
}
}

func TestInvalidBloom(t *testing.T) {
genesis, preMergeBlocks := generatePreMergeChain(10)
n, ethservice := startEthService(t, genesis, preMergeBlocks)
ethservice.Merger().ReachTTD()
defer n.Close()

commonAncestor := ethservice.BlockChain().CurrentBlock()
api := NewConsensusAPI(ethservice)

// Setup 10 blocks on the canonical chain
setupBlocks(t, ethservice, 10, commonAncestor, func(parent *types.Block) {})

// (1) check LatestValidHash by sending a normal payload (P1'')
payload := getNewPayload(t, api, commonAncestor)
payload.LogsBloom = append(payload.LogsBloom, byte(1))
status, err := api.NewPayloadV1(*payload)
if err != nil {
t.Fatal(err)
}
if status.Status != beacon.INVALIDBLOCKHASH {
t.Errorf("invalid status: expected VALID got: %v", status.Status)
}
}