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Subject: Re: [PATCH] block, bfq: fix null pointer dereference in
 bfq_bio_bfqg()
To:     Chaitanya Kulkarni <chaitanyak@nvidia.com>,
        Yu Kuai <yukuai1@huaweicloud.com>,
        "jack@suse.cz" <jack@suse.cz>, "tj@kernel.org" <tj@kernel.org>,
        "josef@toxicpanda.com" <josef@toxicpanda.com>,
        "axboe@kernel.dk" <axboe@kernel.dk>,
        "paolo.valente@linaro.org" <paolo.valente@linaro.org>
Cc:     "cgroups@vger.kernel.org" <cgroups@vger.kernel.org>,
        "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "yi.zhang@huawei.com" <yi.zhang@huawei.com>,
        "yukuai (C)" <yukuai3@huawei.com>
References: <20221108103434.2853269-1-yukuai1@huaweicloud.com>
 <9e0d8652-adda-3d39-88cd-d735194d4083@nvidia.com>
From:   Yu Kuai <yukuai1@huaweicloud.com>
Message-ID: <371bdeac-7841-af8b-cb45-03e49f8589bd@huaweicloud.com>
Date:   Thu, 10 Nov 2022 11:30:24 +0800
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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
> 
>