Re: [PATCH v2 block-6.2] block, bfq: fix uaf for bfqq in bic_set_bfqq()

[Jens Axboe]

On Mon, 30 Jan 2023 09:41:36 +0800, Yu Kuai wrote:
> After commit 64dc8c732f5c ("block, bfq: fix possible uaf for 'bfqq->bic'"),
> bic->bfqq will be accessed in bic_set_bfqq(), however, in some context
> bic->bfqq will be freed, and bic_set_bfqq() is called with the freed
> bic->bfqq.
> 
> Fix the problem by always freeing bfqq after bic_set_bfqq().
> 
> [...]

Applied, thanks!

[1/1] block, bfq: fix uaf for bfqq in bic_set_bfqq()
      (no commit info)

Best regards,
-- 
Jens Axboe