On 11/4/21 8:04 AM, Holger Hoffstätte wrote:
>
> Hi Jens,
>
> a simple no-code request:
>
> Commit d29bd41428cf ("block, bfq: reset last_bfqq_created on group change")
> fixed a UAF in bfq, which was previously worked-around by ebc69e897e17
> ("Revert "block, bfq: honor already-setup queue merges"").
>
> However since then the original commit 2d52c58b9c9b was never restored.
>
> Reinstating 2d52c58b9c9b has so far not resulted in any problems for me,
> and I think it would be nice to bring it back in early just to get
> feedback as early as possible in this cycle.
Adding Paolo.
--
Jens Axboe
