cerc-io/lotus
16
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 27 Wiki Activity

add sanitcy check for maximum block size

Browse Source
This commit is contained in:
vyzo 2020-08-19 22:08:25 +03:00 committed by Aayush Rajasekaran
parent e7549dbf2c
commit e23170d194
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
chain/sub/incoming.go
View File

@ -340,6 +340,11 @@ func (bv *BlockValidator) Validate(ctx context.Context, pid peer.ID, msg *pubsub
func (bv *BlockValidator) validateLocalBlock(ctx context.Context, msg *pubsub.Message) pubsub.ValidationResult {
stats.Record(ctx, metrics.BlockPublished.M(1))
if size := msg.Size(); size > 1<<20-1<<15 {
log.Errorf("ignoring oversize block (%dB)", size)
return pubsub.ValidationIgnore
}
blk, what, err := bv.decodeAndCheckBlock(msg)
if err != nil {
log.Errorf("got invalid local block: %s", err)