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| author | Benety Goh <benety@mongodb.com> | 2019-04-06 08:24:23 -0400 |
|---|---|---|
| committer | Benety Goh <benety@mongodb.com> | 2019-04-06 08:24:38 -0400 |
| commit | 7a196636445fea6318b22c962b90b2a901a28edd (patch) | |
| tree | 28a2f71d91f0debb521da6c07f538396e870ddac /src | |
| parent | ff982a6935c99adebb637adec876c471f282fdc5 (diff) | |
| download | mongo-7a196636445fea6318b22c962b90b2a901a28edd.tar.gz | |
SERVER-39514 fix UUIDCatalog::next() to avoid advancing past end of map
Diffstat (limited to 'src')
| -rw-r--r-- | src/mongo/db/catalog/uuid_catalog.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mongo/db/catalog/uuid_catalog.cpp b/src/mongo/db/catalog/uuid_catalog.cpp index 9e83652c544..40f5863c32f 100644 --- a/src/mongo/db/catalog/uuid_catalog.cpp +++ b/src/mongo/db/catalog/uuid_catalog.cpp @@ -432,7 +432,8 @@ boost::optional<CollectionUUID> UUIDCatalog::next(StringData db, CollectionUUID } auto nextEntry = std::next(entry, 1); - while (nextEntry->first.first == db && nextEntry->second->collectionPtr == nullptr) { + while (nextEntry != _orderedCollections.end() && nextEntry->first.first == db && + nextEntry->second->collectionPtr == nullptr) { nextEntry = std::next(nextEntry, 1); } // If the element was the last entry or is from a different database. |