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From: Jonathan Corbet <corbet@lwn.net>
To: Trond Myklebust <trondmy@primarydata.com>
Cc: "mhocko@kernel.org" <mhocko@kernel.org>,
	"torvalds@linux-foundation.org" <torvalds@linux-foundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>,
	"n.borisov.lkml@gmail.com" <n.borisov.lkml@gmail.com>
Subject: Re: [GIT PULL] Please pull NFS client fixes for 4.12
Date: Tue, 16 May 2017 09:15:35 -0600	[thread overview]
Message-ID: <20170516091535.04e3d188@lwn.net> (raw)
In-Reply-To: <1494508201.3207.5.camel@primarydata.com>

On Thu, 11 May 2017 13:10:03 +0000
Trond Myklebust <trondmy@primarydata.com> wrote:

> If we suspect the existence of a load of potential time bombs in the
> kernel due to missing checks, then the status quo is not good enough.
> We should be working on tools to identify these code paths.
> 
> Quite frankly, I'd love to see a fuzzer-like tool that can randomly
> fail allocations.

The fault injection framework at least used to work quite nicely for this;
I used it to test out the failure paths in the OLPC drivers years ago.
Documentation/fault-injection/fault-injection.txt.

jon

  parent reply	other threads:[~2017-05-16 15:15 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-10 16:47 [GIT PULL] Please pull NFS client fixes for 4.12 Trond Myklebust
2017-05-10 20:06 ` Linus Torvalds
2017-05-11  7:53 ` Nikolay Borisov
2017-05-11  7:59   ` Michal Hocko
2017-05-11 12:16     ` Trond Myklebust
2017-05-11 12:26       ` Michal Hocko
2017-05-11 12:45         ` Trond Myklebust
2017-05-11 12:56           ` Michal Hocko
2017-05-11 13:10             ` Trond Myklebust
2017-05-11 13:27               ` Michal Hocko
2017-05-16 15:15               ` Jonathan Corbet [this message]
2017-05-11 13:41   ` Trond Myklebust
2017-05-11 13:54     ` Michal Hocko
  -- strict thread matches above, loose matches on Subject: below --
2017-06-28 14:19 Trond Myklebust

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