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Fix possible buffer over(under)flow when handling LIST

Vitaliy Filippov 2020-10-23 02:17:44 +03:00
parent 1e8f0328e0
commit 220bda0667
1 changed files with 1 additions and 1 deletions
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2
blockstore_impl.cpp
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@ -517,7 +517,7 @@ void blockstore_impl_t::process_list(blockstore_op_t *op)
if (!replace_stable(dirty_it->first.oid, dirty_it->first.version, 0, clean_stable_count, stable)) if (!replace_stable(dirty_it->first.oid, dirty_it->first.version, 0, clean_stable_count, stable))
{ {
// Then try to replace the last dirty stable version in the second part of the list // Then try to replace the last dirty stable version in the second part of the list
if (stable[stable_count-1].oid == dirty_it->first.oid) if (stable_count > 0 && stable[stable_count-1].oid == dirty_it->first.oid)
{ {
stable[stable_count-1].version = dirty_it->first.version; stable[stable_count-1].version = dirty_it->first.version;
} }