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SubjectRe: [PATCH v4.19-rc7] treewide: Replace more open-coded allocation size multiplications
On Sat, Oct 6, 2018 at 1:49 AM, Fengguang Wu <> wrote:
> On Fri, Oct 05, 2018 at 08:14:34PM -0700, Joel Fernandes wrote:
>> On Fri, Oct 05, 2018 at 05:22:35PM -0700, Greg KH wrote:
>>> And do we have a way to add a rule to 0-day to catch these so that they
>>> get a warning when they are added again?
>> They could just be added to scripts/coccinelle and 0-day will report them?
>> For example, 0-day ran scripts/coccinelle/api/platform_no_drv_owner.cocci
>> on
>> a recently submitted patch and reported it here:
>> But I'm not sure if 0-day runs make coccicheck on specific semantic
>> patches,
>> or runs all of them (CC'd Fengguang).
> 0-day runs all coccinelle scripts. However only auto report out
> warnings that are known to have low false positives.
> So if you add new coccinelle scripts that emit accurate enough
> warnings, it'd be good to inform the LKP team to add the new
> warnings to our auto-report-out white list.

It runs with MODE=report by default, yes? I'd need to expand the cases
to cover that (it is patch-only currently) so that would be a roughly
10,000 line Coccinelle script. :)


Kees Cook
Pixel Security

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