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Date: Wed, 13 Apr 2022 08:57:53 +0200 From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> To: Lin Ma <linma@....edu.cn>, davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, mudongliangabcd@...il.com Subject: Re: [PATCH v0] nfc: nci: add flush_workqueue to prevent uaf On 12/04/2022 18:04, Lin Ma wrote: > Our detector found a concurrent use-after-free bug when detaching an > NCI device. The main reason for this bug is the unexpected scheduling > between the used delayed mechanism (timer and workqueue). > > The race can be demonstrated below: > Thanks! Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> Best regards, Krzysztof
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