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[66.29.188.166]) by smtp.gmail.com with ESMTPSA id n75sm289187pfb.39.2019.03.14.16.43.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 Mar 2019 16:43:27 -0700 (PDT) Subject: Re: paride/pf.c: blk-mq use-after-free (kernel v5.0) To: Randy Dunlap , linux-block Cc: LKML , Tim Waugh , linux-parport@lists.infradead.org References: <30c63b2d-92d2-51be-40f0-62cada110388@infradead.org> <7d24a06f-f219-e50a-e8f8-915a6cc1b796@infradead.org> From: Jens Axboe Message-ID: <59cb035e-6880-de5a-33c5-d4db6ed910f4@kernel.dk> Date: Thu, 14 Mar 2019 17:43:26 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/13/19 5:09 PM, Randy Dunlap wrote: > On 3/11/19 6:34 PM, Randy Dunlap wrote: >> On 3/11/19 6:25 PM, Randy Dunlap wrote: >>> [Has this already been addressed/fixed?]>> >> >> Same bug occurs with paride/pcd.c driver. > > This still happens (in blk-mq) in v5.0-11053-gebc551f2b8f9 of Mar. 12, 2019, > around 4pm PT. [caused by paride: pf.c and pcd.c) I'll take a look at this, been busy with other stuff. How are you reproducing this? I'm assuming you don't actually have any hardware :-) -- Jens Axboe