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author | Tess Avitabile <tess.avitabile@mongodb.com> | 2019-02-26 10:51:40 -0500 |
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committer | Tess Avitabile <tess.avitabile@mongodb.com> | 2019-03-06 15:45:16 -0500 |
commit | 884ac2862eda54e15d99e4db253b822cb4a90f1d (patch) | |
tree | 57879e9a8acf71ce727cc914cb36eea005497d93 /src/mongo/db/stats | |
parent | f1eab6b6e38bb8b22b7e093da61f65c7bef51061 (diff) | |
download | mongo-884ac2862eda54e15d99e4db253b822cb4a90f1d.tar.gz |
SERVER-39490 opWriteConcernCounters can cause undefined behavior due to overflow
Diffstat (limited to 'src/mongo/db/stats')
-rw-r--r-- | src/mongo/db/stats/server_write_concern_metrics.cpp | 8 | ||||
-rw-r--r-- | src/mongo/db/stats/server_write_concern_metrics.h | 8 |
2 files changed, 8 insertions, 8 deletions
diff --git a/src/mongo/db/stats/server_write_concern_metrics.cpp b/src/mongo/db/stats/server_write_concern_metrics.cpp index d5bdbb02bd4..c36431ca3f3 100644 --- a/src/mongo/db/stats/server_write_concern_metrics.cpp +++ b/src/mongo/db/stats/server_write_concern_metrics.cpp @@ -128,21 +128,21 @@ void ServerWriteConcernMetrics::WriteConcernMetricsForOperationType::recordWrite void ServerWriteConcernMetrics::WriteConcernMetricsForOperationType::toBSON( BSONObjBuilder* builder) const { - builder->append("wmajority", wMajorityCount); + builder->append("wmajority", static_cast<long long>(wMajorityCount)); BSONObjBuilder wNumBuilder(builder->subobjStart("wnum")); for (auto const& pair : wNumCounts) { - wNumBuilder.append(std::to_string(pair.first), pair.second); + wNumBuilder.append(std::to_string(pair.first), static_cast<long long>(pair.second)); } wNumBuilder.done(); BSONObjBuilder wTagBuilder(builder->subobjStart("wtag")); for (auto const& pair : wTagCounts) { - wTagBuilder.append(pair.first, pair.second); + wTagBuilder.append(pair.first, static_cast<long long>(pair.second)); } wTagBuilder.done(); - builder->append("none", noWCount); + builder->append("none", static_cast<long long>(noWCount)); } namespace { diff --git a/src/mongo/db/stats/server_write_concern_metrics.h b/src/mongo/db/stats/server_write_concern_metrics.h index d24396e67c8..2a0c67f911c 100644 --- a/src/mongo/db/stats/server_write_concern_metrics.h +++ b/src/mongo/db/stats/server_write_concern_metrics.h @@ -83,16 +83,16 @@ private: void toBSON(BSONObjBuilder* builder) const; // Count of operations with writeConcern w:"majority". - long long wMajorityCount = 0; + std::uint64_t wMajorityCount = 0; // Count of operations without a writeConcern "w" value. - long long noWCount = 0; + std::uint64_t noWCount = 0; // Counts of operations with writeConcern w:<num>. - std::map<int, long long> wNumCounts; + std::map<int, std::uint64_t> wNumCounts; // Counts of operations with writeConcern w:"tag". - StringMap<long long> wTagCounts; + StringMap<std::uint64_t> wTagCounts; }; mutable stdx::mutex _mutex; |