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SubjectRe: [PATCH] wireless/nl80211.c: fix uninitialized variable
From
Date
Hi!

On Tue, 2021-03-30 at 14:42 +0200, Alaa Emad wrote:
>
>
> On Mon, 29 Mar 2021 at 20:58, Greg KH <gregkh@linuxfoundation.org>
> wrote:
> > On Mon, Mar 29, 2021 at 08:41:38PM +0200, Alaa Emad wrote:
> > > On Mon, 29 Mar 2021 at 20:20, Greg KH <gregkh@linuxfoundation.org>
> > wrote:
> > >
> > > > On Mon, Mar 29, 2021 at 06:30:36PM +0200, Alaa Emad wrote:
> > > > > Reported-by:
> > syzbot+72b99dcf4607e8c770f3@syzkaller.appspotmail.com
> > > > > Signed-off-by: Alaa Emad <alaaemadhossney.ae@gmail.com>
> > > >
> > > > You need to provide some changelog text here, I know I can not
> > take
> > > > patches without that, maybe the wireless maintainer is more
> > flexible :)
> > > >
> > >   you mean explain what i did , right?
> >
> > Yes, explain why this change is needed.
> >
>
>
>  
>   This change fix  KMSAN uninit-value in net/wireless/nl80211.c:225 ,
> That because of `fixedlen` variable uninitialized.
>    So I initialized it by zero because the code assigned value to it
> after that and doesn't depend on any stored value in it .

You should add this message to the patch, not just write it to
maintainer.

I think, this link might be
useful https://www.kernel.org/doc/html/v4.17/process/submitting-patches.html

> >
> > thanks,
> >
> > greg k-h
> >
>
>
>
> Thanks ,
> Alaa
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> .

With regards,
Pavel Skripkin


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