linux-kernel - Re: [PATCH] block, bfq: fix null pointer dereference in bfq_bio

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Message-ID: <371bdeac-7841-af8b-cb45-03e49f8589bd@huaweicloud.com>
Date:   Thu, 10 Nov 2022 11:30:24 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     Chaitanya Kulkarni <chaitanyak@...dia.com>,
        Yu Kuai <yukuai1@...weicloud.com>,
        "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>
Cc:     "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>,
        "yi.zhang@...wei.com" <yi.zhang@...wei.com>,
        "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH] block, bfq: fix null pointer dereference in
 bfq_bio_bfqg()

Hi,

在 2022/11/09 6:50, Chaitanya Kulkarni 写道:
> 
> 
> Please submit the block tests for this as this is clearly non-trivial
> issue that needs to be tested every release ..

I wrote a c reporducer that is 100% reproducible in v5.10, I'll try to
add a block test. However, it might take sometime because I'm not
familar with blktests yet...

Thanks,
Kuai
> 
> -ck
> 
>