CVE-2024-49956: gfs2: fix double destroy_workqueue error

First published: Mon Oct 21 2024(Updated: )

In the Linux kernel, the following vulnerability has been resolved: gfs2: fix double destroy_workqueue error When gfs2_fill_super() fails, destroy_workqueue() is called within gfs2_gl_hash_clear(), and the subsequent code path calls destroy_workqueue() 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.

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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