linux-kernel - Re: [PATCH v4] block: Fix use-after-free in blkdev

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Message-ID: <0f43671d-c583-e5ec-f0a3-a919d300301f@huawei.com>
Date:   Mon, 8 Jun 2020 14:43:52 +0800
From:   Jason Yan <yanaijie@...wei.com>
To:     Christoph Hellwig <hch@....de>
CC:     <viro@...iv.linux.org.uk>, <axboe@...nel.dk>,
        <linux-fsdevel@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-block@...r.kernel.org>, Ming Lei <ming.lei@...hat.com>,
        Jan Kara <jack@...e.cz>, Hulk Robot <hulkci@...wei.com>
Subject: Re: [PATCH v4] block: Fix use-after-free in blkdev_get()

Hi Christoph,

在 2020/6/8 14:15, Christoph Hellwig 写道:
> Looks good,
> 
> Reviewed-by: Christoph Hellwig <hch@....de>
> 
> Can you dig into the history for a proper fixes tag?
> 

This one started to accessing bdev after __blkdev_get(). So I think it 
may be a proper fixes tag:

Fixes: e525fd89d380 ("block: make blkdev_get/put() handle exclusive access")

Thanks,
Jason

> .
>