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Check for integer overflow in Block::Iter::ParseNextKey.

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Christopher Jeffrey 2022-06-18 11:06:42 -04:00
parent d328a35b5c
commit 294330e8e5
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1 changed files with 2 additions and 1 deletions
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table/block.cc
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@ -268,7 +268,8 @@ class Block::Iter : public Iterator {
uint32_t shared, non_shared, value_length; uint32_t shared, non_shared, value_length;
p = DecodeEntry(p, limit, &shared, &non_shared, &value_length); p = DecodeEntry(p, limit, &shared, &non_shared, &value_length);
if (p == nullptr || key_.size() < shared || if (p == nullptr || key_.size() < shared ||
(comparator_->IsInternal() && shared + non_shared < 8)) { (comparator_->IsInternal() &&
static_cast<uint64_t>(shared) + non_shared < 8)) {
CorruptionError(); CorruptionError();
return false; return false;
} else { } else {