Patches for DB version 2.6.4

1. The memory pool fails to correct for 0-based page numbers when calculating the end of the database file. The most likely symptom is that the db_dump utility will fail, and no data corruption can occur.
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2. The DB->put call, with the DB_NOOVERWRITE flag set, where the key already exists in the tree, will overwrite the caller's data DBT with the value already stored in the tree.
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3. In the Berkeley DB Concurrent Access Methods Product (i.e., the DB_INIT_CDB flag to the db_appinit interface), it was possible for cursor close to not correctly release all acquired locks in the B+tree access method.
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4. In Btree databases with large numbers of duplicates, it was possible to incorrectly discard a page lock, leading to spurious error messages from the underlying shared memory buffer cache.
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5. Auto-configuration was incorrect when building threaded versions of the Berkeley DB library on FreeBSD and Linux.
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6. There was a bug in returning partial records from an on-page duplicate in hash databases.
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7. It was possible to overwrite the checkpoint LSN during checkpoint.
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8. It was possible to run out of memory by using ever-increasing log file numbers.
   
   • Download patch file for log/log_put.c file.
   • Download patch file for log/log_register.c file.
9. It was possible for retrieval of specific duplicate records to cause a core dump.
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10. Locks waiting on an aborted lock were not correctly promoted at the time of the abort.
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