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Why do I get reports of uninitialized memory reads and writes when running software analysis tools (for example, Rational Software Corp.s Purify tool)?

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Why do I get reports of uninitialized memory reads and writes when running software analysis tools (for example, Rational Software Corp.s Purify tool)?

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For performance reasons, Berkeley DB does not write the unused portions of database pages or fill in unused structure fields. To turn off these errors when running software analysis tools, configure Berkeley DB with the –enable-umrw configuration option before building. Back to top Berkeley DB operations are returning errors like EINVAL and I’m using the API correctly. The application is failing to zero out DBT objects before calling Berkeley DB. Before using a DBT, you must initialize all its elements to 0 and then set the ones you are using explicitly. Another reason for this symptom is the application may be using m4_db handles in a free-threaded manner, without specifying the DB_THREAD flag to the DB->open or DB_ENV->open methods. Any time you are sharing a handle across multiple threads, you must specify DB_THREAD when you open that handle. Another reason for this symptom is the application is concurrently accessing the database, but not acquiring locks. The Berkeley DB Data Stor

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