In the Linux kernel, the following vulnerability has been resolved: io_uring/zcrx: fix pp destruction warnings With multiple page pools and in some other cases we can have allocated niovs on page pool destruction. Remove a misplaced warning checking that all niovs are returned to zcrx on io_pp_zc_destroy(). It was reported before but apparently got lost.
https://git.kernel.org/stable/c/ad9f1b5bed082b9c910e2a24bae0286a70846909
https://git.kernel.org/stable/c/203817de269539c062724d97dfa5af3cdf77a3ec