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Message-ID: <20231009100155.6d71490f@gandalf.local.home>
Date: Mon, 9 Oct 2023 10:01:55 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Joel Fernandes <joel@...lfernandes.org>
Cc: "Eric W. Biederman" <ebiederm@...ssion.com>,
linux-kernel@...r.kernel.org, Ricardo Ribalda <ribalda@...gle.com>,
Ross Zwisler <zwisler@...gle.com>,
Rob Clark <robdclark@...il.com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
kexec@...ts.infradead.org
Subject: Re: [PATCH] kexec: Fix reboot race during device_shutdown()
On Sat, 7 Oct 2023 21:30:42 -0400
Joel Fernandes <joel@...lfernandes.org> wrote:
> Just checking how we want to proceed, is the consensus that we should
> prevent kernel crashes without relying on userspace stopping all
> processes? Should we fix regular reboot syscall as well and not just
> kexec reboot?
If you can show that we can trigger the crash on normal reboot, then I
don't see why not. That is, if you have a program that does the reboot
(without the SIGSTOP/SIGKILL calls) and triggers this crash, I think that's
a legitimate reason to fix it on normal reboot too.
-- Steve
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