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hotfix(aggregator): nil dereference for invalid signature #1753

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Merged
MauroToscano merged 5 commits into from
Jan 28, 2025
Merged

hotfix(aggregator): nil dereference for invalid signature #1753

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bad5e7b
hotfix(aggregator): catch nil signature
Oppen Jan 17, 2025
c0c1848
fix: downgrade to warning
Oppen Jan 17, 2025
0dada5b
Merge branch 'testnet' into hotfix/aggregator_nil_deref
MauroToscano Jan 20, 2025
8dbb2fe
fix: set reply on error path
Oppen Jan 20, 2025
4760d73
Merge branch 'testnet' into hotfix/aggregator_nil_deref
JuArce Jan 22, 2025
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12 changes: 12 additions & 0 deletions aggregator/pkg/server.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ package pkg
import (
"context"
"encoding/hex"
"errors"
"fmt"
"net/http"
"net/rpc"
Expand Down Expand Up @@ -48,6 +49,17 @@ func (agg *Aggregator) ProcessOperatorSignedTaskResponseV2(signedTaskResponse *t
"SenderAddress", "0x"+hex.EncodeToString(signedTaskResponse.SenderAddress[:]),
"BatchIdentifierHash", "0x"+hex.EncodeToString(signedTaskResponse.BatchIdentifierHash[:]),
"operatorId", hex.EncodeToString(signedTaskResponse.OperatorId[:]))

if signedTaskResponse.BlsSignature.G1Point == nil {
agg.logger.Warn("invalid operator response with nil signature",
"BatchMerkleRoot", "0x"+hex.EncodeToString(signedTaskResponse.BatchMerkleRoot[:]),
"SenderAddress", "0x"+hex.EncodeToString(signedTaskResponse.SenderAddress[:]),
"BatchIdentifierHash", "0x"+hex.EncodeToString(signedTaskResponse.BatchIdentifierHash[:]),
"operatorId", hex.EncodeToString(signedTaskResponse.OperatorId[:]))
*reply = 1
return errors.New("invalid response: nil signature")
}

taskIndex := uint32(0)

// The Aggregator may receive the Task Identifier after the operators.
Expand Down
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