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From: David Gibson <david@gibson.dropbear.id.au>
To: "Cédric Le Goater" <clg@kaod.org>
Cc: Peter Maydell <peter.maydell@linaro.org>,
	Corey Minyard <cminyard@mvista.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	QEMU Developers <qemu-devel@nongnu.org>,
	Eric Blake <eblake@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 2/2] ipmi: don't try to open a NULL filename
Date: Wed, 26 Apr 2017 12:43:21 +1000	[thread overview]
Message-ID: <20170426024321.GL16882@umbus.fritz.box> (raw)
In-Reply-To: <d48c2177-ad8e-a820-c640-898075110ee3@kaod.org>

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On Tue, Apr 25, 2017 at 04:06:17PM +0200, Cédric Le Goater wrote:
> On 04/25/2017 03:31 PM, Peter Maydell wrote:
> > On 25 April 2017 at 07:51, Cédric Le Goater <clg@kaod.org> wrote:
> >> Currenlty, the code relies on the fact that open() handles NULL
> >> filenames but that can cause an error with new clang:
> >>
> >>   hw/core/loader.c:67:15: runtime error: null pointer passed as argument 1,
> >>   which is declared to never be null
> > 
> > This isn't "new clang", incidentally, it's just clang with the
> > runtime-static-analysis enabled, which causes warnings to be
> > printed at runtime for undefined behaviours. You can enable
> > this by passing configure --extra-cflags=-fsanitize=undefined .
> > (I have clang 3.8.0 here.)
> 
> OK. So I have now reproduced the issue on a f24. That made be 
> realize that the IPMI tests check for the arch they are being 
> run on and that more changes are required for them to run on 
> ppc64. 
> 
> We can drop patch 1/2. Tell me if you want a resend.

No, that's fine.  A patch to enable the tests on ppc properly ASAP
would be great, though.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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  reply	other threads:[~2017-04-26  3:29 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-25  6:51 [Qemu-devel] [PATCH 0/2] ipmi: fix open() NULL argument Cédric Le Goater
2017-04-25  6:51 ` [Qemu-devel] [PATCH 1/2] tests: add IPMI tests for ppc64 Cédric Le Goater
2017-04-25  6:51 ` [Qemu-devel] [PATCH 2/2] ipmi: don't try to open a NULL filename Cédric Le Goater
2017-04-25 13:18   ` Eric Blake
2017-04-25 13:31   ` Peter Maydell
2017-04-25 14:06     ` Cédric Le Goater
2017-04-26  2:43       ` David Gibson [this message]
2017-04-26  6:41         ` Cédric Le Goater
2017-04-26  2:42   ` David Gibson
2017-04-26  6:05     ` Cédric Le Goater

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