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raft: fix out-of-bounds in maybeAppend

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This commit is contained in:
AdamKorcz 2022-01-15 15:45:22 +00:00
parent f75549d53b
commit 7ef4fe3288
1 changed files with 3 additions and 0 deletions
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3
raft/log.go
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@ -95,6 +95,9 @@ func (l *raftLog) maybeAppend(index, logTerm, committed uint64, ents ...pb.Entry
l.logger.Panicf("entry %d conflict with committed entry [committed(%d)]", ci, l.committed)
default:
offset := index + 1
if ci-offset > uint64(len(ents)) {
l.logger.Panicf("index, %d, is out of range [%d]", ci-offset, len(ents))
}
l.append(ents[ci-offset:]...)
}
l.commitTo(min(committed, lastnewi))