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Date: Tue, 15 Feb 2022 23:09:11 +0100 From: Alexandre Belloni <alexandre.belloni@...tlin.com> To: Alessandro Zummo <a.zummo@...ertech.it>, Vincent Whitchurch <vincent.whitchurch@...s.com> Cc: Alexandre Belloni <alexandre.belloni@...tlin.com>, kernel@...s.com, linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] rtc: fix use-after-free on device removal On Fri, 10 Dec 2021 17:09:51 +0100, Vincent Whitchurch wrote: > If the irqwork is still scheduled or running while the RTC device is > removed, a use-after-free occurs in rtc_timer_do_work(). Cleanup the > timerqueue and ensure the work is stopped to fix this. > > BUG: KASAN: use-after-free in mutex_lock+0x94/0x110 > Write of size 8 at addr ffffff801d846338 by task kworker/3:1/41 > > [...] Applied, thanks! [1/1] rtc: fix use-after-free on device removal commit: c8fa17d9f08a448184f03d352145099b5beb618e Best regards, -- Alexandre Belloni <alexandre.belloni@...tlin.com>
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