CVE-2022-50620

CVE-2022-50620: Linux kernel/f2fs issue fixed. Root cause: in the error path of f2fs_start_discard_thread(), dcc->f2fs_issue_discard was not invalidated, allowing kthread_stop() to dereference an invalid pointer in the shutdown path (e.g., f2fs_stop_discard_thread, kill_f2fs_super, and related...