CVE-2026-46274 io-wq: check that the predecessor is hashed in io_wq_remove_pending()

In the Linux kernel, the following vulnerability has been resolved: io-wq: check that the predecessor is hashed in iowqremovepending iowqremovepending needs to fix up wq-hashtail if the cancelled work was the tail of its hash bucket. When doing this, it checks whether the preceding entry in...