Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [RFC][PATCH] timers: Add del_time_free() to be called before freeing timers | Date | Fri, 08 Apr 2022 23:46:34 +0200 |
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On Fri, Apr 08 2022 at 16:58, Steven Rostedt wrote:
> On Fri, 08 Apr 2022 22:29:58 +0200 > Thomas Gleixner <tglx@linutronix.de> wrote: > >> What a shutdown function would prevent here is UAF, but I'm not entirely >> sure whether it will simplify coordinated shutdown and remove the >> requirement of a priv->shutdown flag all over the place. It might make >> some of the driver muck just get stuck in the shutdown, but that's >> definitely an improvement over a potential UAF which happens every blue >> moons. > > Note, it is the cause of a large percentage of crash reports reported by > ChromeOS. > > And we do not even know if it was this bluetooth issue that caused them. > There's evidence they are mostly caused by the wifi code. I only used the > bluetooth issue because it was the first one we found that looked obviously > wrong.
I'm sure that there are hundres more...
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