In the Linux kernel, the following vulnerability has been resolved: gfs2: fix double destroyworkqueue error When gfs2fillsuper() fails, destroyworkqueue() is called within gfs2glhashclear(), and the subsequent code path calls destroyworkqueue() on the same work queue again. This issue can be fixed by setting the work queue pointer to NULL after the first destroy_workqueue() call and checking for a NULL pointer before attempting to destroy the work queue again.
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