Re: [PATCH] tracing/timerlat: Check tlat_var for NULL in timerlat_fd_release

[Steven Rostedt]

On Tue, 3 Sep 2024 14:47:42 +0200
Tomas Glozar <tglozar@xxxxxxxxxx> wrote:

> I suggest using the workaround suggested in
> https://lore.kernel.org/linux-trace-kernel/20240823125426.404f2705@xxxxxxxxxxxxxxxxxx
> for the time being. Together with the patch that adds locks around
> stopping the threads
> (https://patchwork.kernel.org/project/linux-trace-kernel/patch/20240823102816.5e55753b@xxxxxxxxxxxxxxxxxx/),
> this should prevent the kernel panic at least until we have a solution
> for the race itself.

I'll make the first one an official patch and start running it through my
tests. We need something soon, as this is a standing bug in the kernel
where the fix needs to go to stable.

Thanks,

-- Steve