Thread (1 message) 1 message, 1 author, 2021-03-30

Re: [PATCH] wireless/nl80211.c: fix uninitialized variable

From: Pavel Skripkin <hidden>
Date: 2021-03-30 12:49:09
Also in: linux-wireless, lkml

Possibly related (same subject, not in this thread)

Hi!

On Tue, 2021-03-30 at 14:42 +0200, Alaa Emad wrote:

On Mon, 29 Mar 2021 at 20:58, Greg KH [off-list ref]
wrote:
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On Mon, Mar 29, 2021 at 08:41:38PM +0200, Alaa Emad wrote:
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On Mon, 29 Mar 2021 at 20:20, Greg KH [off-list ref]
wrote:
quoted
quoted
On Mon, Mar 29, 2021 at 06:30:36PM +0200, Alaa Emad wrote:
quoted
Reported-by:
syzbot+72b99dcf4607e8c770f3@syzkaller.appspotmail.com
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Signed-off-by: Alaa Emad <redacted>
You need to provide some changelog text here, I know I can not
take
quoted
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patches without that, maybe the wireless maintainer is more
flexible :)
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  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
quoted
thanks,

greg k-h


Thanks ,
Alaa
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With regards,
Pavel Skripkin

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