ensure log context category is valid before reading it

category of logs accessed via log context can be null in such a case, strcmp will crash Signed-off-by: Matthieu Gallien <[email protected]>
nextcloud · Oct 7, 2024 · 35d4f91 · 35d4f91
1 parent 3974040
commit 35d4f91
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/libsync/logger.cpp b/src/libsync/logger.cpp
@@ -148,7 +148,7 @@ void Logger::doLog(QtMsgType type, const QMessageLogContext &ctx, const QString
             if (_doFileFlush)
                 _logstream->flush();
         }
-        if (_permanentDeleteLogStream && strcmp(ctx.category, lcPermanentLog().categoryName()) == 0) {
+        if (_permanentDeleteLogStream && ctx.category && strcmp(ctx.category, lcPermanentLog().categoryName()) == 0) {
             (*_permanentDeleteLogStream) << msg << "\n";
             _permanentDeleteLogStream->flush();
             if (_permanentDeleteLogFile.size() > 10LL * 1024LL) {