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SubjectRe: [PATCH] ath9k: release allocated buffer if timed out
Date
Brian Norris <briannorris@chromium.org> writes:

> On Fri, Sep 6, 2019 at 11:59 AM Navid Emamdoost
> <navid.emamdoost@gmail.com> wrote:
>>
>> In ath9k_wmi_cmd, the allocated network buffer needs to be released
>> if timeout happens. Otherwise memory will be leaked.
>>
>> Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
>
> I wonder, did you actually test your patches? I ask, because it seems
> that all your patches are of the same mechanical variety (produced by
> some sort of research project?), and if I look around a bit, I see
> several mistakes and regressions noted on your other patches. And
> recently, I see someone reporting a 5.4 kernel regression, which looks
> a lot like it was caused by this patch:
>
> https://bugzilla.kernel.org/show_bug.cgi?id=207703#c1
>
> I'll propose a revert, if there's no evidence this was actually tested
> or otherwise confirmed to fix a real bug.

Actually it's already reverted in -next, nobody just realised that it's
a regression from commit 728c1e2a05e4:

ced21a4c726b ath9k: Fix use-after-free Read in htc_connect_service

v5.8-rc1 should be the first release having the fix.

--
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

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