linux-kernel - Re: [PATCH] block, bfq: fix uaf for bfqq in bic_set

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Message-ID: <38b5d9a6-bed6-c139-404b-94aca49f38c6@huaweicloud.com>
Date:   Sun, 29 Jan 2023 09:18:14 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     Shinichiro Kawasaki <shinichiro.kawasaki@....com>
Cc:     "jack@...e.cz" <jack@...e.cz>, "tj@...nel.org" <tj@...nel.org>,
        "josef@...icpanda.com" <josef@...icpanda.com>,
        "axboe@...nel.dk" <axboe@...nel.dk>,
        "paolo.valente@...aro.org" <paolo.valente@...aro.org>,
        "cgroups@...r.kernel.org" <cgroups@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "yukuai1@...weicloud.com" <yukuai1@...weicloud.com>,
        "yi.zhang@...wei.com" <yi.zhang@...wei.com>,
        "yangerkun@...wei.com" <yangerkun@...wei.com>,
        "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH] block, bfq: fix uaf for bfqq in bic_set_bfqq()

Hi,

在 2023/01/24 8:09, Shinichiro Kawasaki 写道:
> 
> Yu, thanks for posting this fix, but it can not be applied to v6.2-rc5. The
> hunk above looks different from the patch I tested. Could you take a look?
> 

This patch was rebased with following patch that add a new param for
bic_set_bfqq():

51ec2387623a block, bfq: split sync bfq_queues on a per-actuator basis

Thanks,
Kuai