Re: [Ksummit-2013-discuss] [ARM ATTEND] catching up on exploitmitigations

From: Dan Carpenter
Date: Thu Aug 01 2013 - 15:17:43 EST

On Thu, Aug 01, 2013 at 03:05:56PM -0400, Dave Jones wrote:
> On Thu, Aug 01, 2013 at 12:13:22PM +0300, Dan Carpenter wrote:
> > I was just reading which says that in
> > 2011 the static checker fault rate in arch/ and fs/ was worse than
> > in drivers/
> I've been working on getting more regular builds in coverity, so we can
> get more meaningful statistics on things like "what area is getting worse".
> Of the current bugs I've categorised so far, here's the breakdown for 3.11-rc3
> in terms of highest bug counts.
> Drivers/net/wireless: 659
> Drivers/ [1] : 600
> Drivers/staging: 449
> Drivers/scsi: 409
> Drivers/net: 350
> Net/[2] : 297
> Drivers/media: 286
> Sound: 220
> Drivers/GPU: 217
> That's the top categories for the whole kernel.
> That wireless was top of the list was the least shocking thing to me,
> based on what we get reported to Fedora bugzilla. That it found more
> bugs there than in staging was amusing though. The good news is that
> wireless also takes the top slot for 'resolved' issues.
> The paper above talks about 'arch' but doesn't indicate if it's counting
> all arches, or just the one they run the tests on. (Coverity only covers x86,
> so arch/ shows up in 10th place there).

It's Coccinelle, so my guess is they ran it on all the .c files.

dan carpenter

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