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From: Eric Biggers <ebiggers3@gmail.com>
To: Paolo Valente <paolo.valente@linaro.org>
Cc: David Howells <dhowells@redhat.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Mark Brown <broonie@linaro.org>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	John Stultz <john.stultz@linaro.org>,
	Eric Biggers <ebiggers@google.com>,
	crypto <linux-crypto@vger.kernel.org>,
	Thorsten Leemhuis <regressions@leemhuis.info>
Subject: Re: kernel failure while loading X.509 certificate
Date: Thu, 18 Jan 2018 10:12:05 -0800	[thread overview]
Message-ID: <20180118181205.4cwclwrh2x3zi5mz@gmail.com> (raw)
In-Reply-To: <CBA47A21-8E0C-4DFD-ACE5-3872AEAAEEC4@linaro.org>

On Thu, Jan 18, 2018 at 11:07:50AM +0100, Paolo Valente wrote:
> 
> 
> > Il giorno 17 gen 2018, alle ore 12:08, David Howells <dhowells@redhat.com> ha scritto:
> > 
> > If this happened during boot, it could be that you have an X.509 cert for
> > which the digest algorithm isn't built into the kernel.
> > 
> 
> Yeah.  I did look for such an inconsistency after that failure, but I
> didn't find it, most certainly because of my lack of expertise on
> this.
> 
> After the success with rc8, I retried with rc7, repeating the same
> streamline_config.pl procedure as the first time.  Of course, by
> Murphy's laws, rc7 worked this time.  Sorry for making you waste
> your time.  Should this happen again, I won't be so superficial not to
> make a backup of the offending config.
> 

No your report is still useful; I think there is a real kernel bug here,
probably reproducible using add_key() with type "asymmetric", where the
signature's hash algorithm isn't supported by the kernel.  I'll try to put
together a reproducer when I have a chance.  Thanks!

Eric

      reply	other threads:[~2018-01-18 18:12 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <F5505112-180F-4889-A73E-D0AB9054E58E@linaro.org>
2018-01-11 22:37 ` kernel failure while loading X.509 certificate Arnd Bergmann
2018-01-12  6:06   ` Paolo Valente
2018-01-17  5:16     ` Eric Biggers
2018-01-17  5:36       ` Paolo Valente
2018-01-17  5:44         ` Eric Biggers
2018-01-17  6:03           ` Paolo Valente
2018-01-17 11:08         ` David Howells
2018-01-18 10:07           ` Paolo Valente
2018-01-18 18:12             ` Eric Biggers [this message]

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