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From: Peter Zijlstra <peterz@infradead.org>
To: Vladimir Kondratiev <vladimir.kondratiev@linux.intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>,
	Luis Chamberlain <mcgrof@kernel.org>,
	Kees Cook <keescook@chromium.org>,
	Iurii Zaikin <yzaikin@google.com>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
	Mike Kravetz <mike.kravetz@oracle.com>,
	"Guilherme G. Piccoli" <gpiccoli@canonical.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Kars Mulder <kerneldev@karsmulder.nl>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Arvind Sankar <nivedita@alum.mit.edu>,
	Joe Perches <joe@perches.com>, Rafael Aquini <aquini@redhat.com>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Christian Brauner <christian.brauner@ubuntu.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Davidlohr Bueso <dave@stgolabs.net>,
	Michel Lespinasse <walken@google.com>,
	Jann Horn <jannh@google.com>, chenqiwu <chenqiwu@xiaomi.com>,
	Minchan Kim <minchan@kernel.org>,
	Christophe Leroy <christophe.leroy@c-s.fr>,
	Vladimir Kondratiev <vladimir.kondratiev@intel.com>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org
Subject: Re: [RFC PATCH] do_exit(): panic() recursion detected
Date: Mon, 7 Dec 2020 13:51:45 +0100	[thread overview]
Message-ID: <20201207125145.GM3040@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20201207124050.4016994-1-vladimir.kondratiev@linux.intel.com>

On Mon, Dec 07, 2020 at 02:40:49PM +0200, Vladimir Kondratiev wrote:
> From: Vladimir Kondratiev <vladimir.kondratiev@intel.com>
> 
> Recursive do_exit() is symptom of compromised kernel integrity.
> For safety critical systems, it may be better to
> panic() in this case to minimize risk.

You've not answered the previously posed question on why panic_on_oops
isn't more suitable for your type of systems.

> Signed-off-by: Vladimir Kondratiev <vladimir.kondratiev@intel.com>
> Change-Id: I42f45900a08c4282c511b05e9e6061360d07db60

This Change-ID crap doesn't belong in kernel patches.

  reply	other threads:[~2020-12-07 12:53 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-07 12:40 [RFC PATCH] do_exit(): panic() recursion detected Vladimir Kondratiev
2020-12-07 12:51 ` Peter Zijlstra [this message]
2020-12-07 12:55   ` Vladimir Kondratiev
2020-12-07 14:27 ` [NEEDS-REVIEW] " Dave Hansen

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