https://bugs.openldap.org/show_bug.cgi?id=9415

Howard Chu <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Howard Chu <[email protected]> ---
(In reply to cwe from comment #0)
> In my code I have a construct like this:
> 
> err = mdb_txn_commit(txn);
> if (err) {
>     mdb_txn_abort(txn);
> }
> 
> I run codesonar on my code and include the lmdb source in the run. Codesonar
> reports a possible double free for the case where mdb_midl_append_list in
> mdb.c line 3586 returns ENOMEM. The code following line 3586 will free the
> txn and return ENOMEM. This will cause my code to call mdb_txn_abort, which
> will access the freed memory and call free again.
> 
> Please ask if more details are needed.

Please re-read the documentation of mdb_txn_commit().
Your code is misusing the API. Closing this ITS.

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