mongodb/mongo
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

SERVER-124291 Fix BSONObjBuilder UB in explain utils generateServerInfo() and generateServerParameter() (#51993)

Browse Source 
GitOrigin-RevId: bd9522409f95de74004745f67abe8af748b8a59a
This commit is contained in:
Finley Lau 2026-04-17 10:01:51 -04:00 committed by MongoDB Bot
parent 8353af2aea
commit c58ea3fee0
1 changed files with 16 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
src/mongo/db/query/explain_common.cpp
View File

@ -70,29 +70,30 @@ void appendWarningMessage(StringData fieldName, BSONObjBuilder* out) {
void generateServerInfo(BSONObjBuilder* out) {
BSONObjBuilder serverBob(out->subobjStart("serverInfo"));
out->append("host", getHostNameCached());
out->appendNumber("port", serverGlobalParams.port);
serverBob.append("host", getHostNameCached());
serverBob.appendNumber("port", serverGlobalParams.port);
auto&& vii = VersionInfoInterface::instance();
out->append("version", vii.version());
out->append("gitVersion", vii.gitVersion());
serverBob.append("version", vii.version());
serverBob.append("gitVersion", vii.gitVersion());
serverBob.doneFast();
}
void generateServerParameters(const boost::intrusive_ptr<ExpressionContext>& expCtx,
BSONObjBuilder* out) {
BSONObjBuilder serverBob(out->subobjStart("serverParameters"));
appendStageMemoryLimitsToExplain(*out);
out->appendNumber("internalQueryFacetMaxOutputDocSizeBytes",
internalQueryFacetMaxOutputDocSizeBytes.load());
out->appendNumber("internalLookupStageIntermediateDocumentMaxSizeBytes",
internalLookupStageIntermediateDocumentMaxSizeBytes.load());
out->appendNumber("internalQueryProhibitBlockingMergeOnMongoS",
internalQueryProhibitBlockingMergeOnMongoS.load());
out->appendNumber("internalQueryMaxAddToSetBytes", internalQueryMaxAddToSetBytes.load());
appendStageMemoryLimitsToExplain(serverBob);
serverBob.appendNumber("internalQueryFacetMaxOutputDocSizeBytes",
internalQueryFacetMaxOutputDocSizeBytes.load());
serverBob.appendNumber("internalLookupStageIntermediateDocumentMaxSizeBytes",
internalLookupStageIntermediateDocumentMaxSizeBytes.load());
serverBob.appendNumber("internalQueryProhibitBlockingMergeOnMongoS",
internalQueryProhibitBlockingMergeOnMongoS.load());
serverBob.appendNumber("internalQueryMaxAddToSetBytes", internalQueryMaxAddToSetBytes.load());
auto queryControl = expCtx->getQueryKnobConfiguration().getInternalQueryFrameworkControlForOp();
out->append("internalQueryFrameworkControl", idl::serialize(queryControl));
out->appendNumber("internalQueryPlannerIgnoreIndexWithCollationForRegex",
internalQueryPlannerIgnoreIndexWithCollationForRegex.load());
serverBob.append("internalQueryFrameworkControl", idl::serialize(queryControl));
serverBob.appendNumber("internalQueryPlannerIgnoreIndexWithCollationForRegex",
internalQueryPlannerIgnoreIndexWithCollationForRegex.load());
serverBob.doneFast();
}
void generateQueryShapeHash(OperationContext* opCtx, BSONObjBuilder* out) {