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From: Matthew Wilcox <willy@infradead.org>
To: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Linux Kernel Mailinglist <linux-kernel@vger.kernel.org>,
	Linux FSDEVEL Mailinglist <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH] fs/open: Fix most outstanding security bugs
Date: Mon, 1 Apr 2019 04:22:19 -0700	[thread overview]
Message-ID: <20190401112219.GA22763@bombadil.infradead.org> (raw)
In-Reply-To: <20190401090113.22946-1-jthumshirn@suse.de>

On Mon, Apr 01, 2019 at 11:01:13AM +0200, Johannes Thumshirn wrote:
> Over the last 20 years, the Linux kernel has accumulated hundreds if not
> thousands of security vulnerabilities.
> 
> One common pattern in most of these security related reports is processes
> called "syzkaller", "trinity" or "syz-executor" opening files and then
> abuse kernel interfaces causing kernel crashes or even worse threats using
> memory overwrites or by exploiting race conditions.
> 
> Hunting down these bugs has become time consuming and very expensive, so
> I've decided to put an end to it.
> 
> If one of the above mentioned processes tries opening a file, return -EPERM
> indicating this process does not have the permission to open files on Linux
> anymore.
> 
> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>

I think you should have credited Cisco for the idea.

https://twitter.com/RedTeamPT/status/1110843396657238016

  reply	other threads:[~2019-04-01 11:22 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-01  9:01 Johannes Thumshirn
2019-04-01 11:22 ` Matthew Wilcox [this message]
2019-04-01 11:48   ` Johannes Thumshirn
2019-04-01 11:53 ` Mukesh Ojha
2019-04-01 13:04 ` Torsten Duwe
2019-04-01 14:14 ` Nikolay Borisov
2019-04-01 17:28   ` Dmitry Vyukov
2019-04-01 21:27     ` Kees Cook
2019-04-01 17:38 ` Eric Biggers
2019-04-01 20:35 ` Darrick J. Wong
2019-04-02  7:56 ` Jessica Yu

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