From: vincenzo mezzela <vincenzo.mezzela@gmail.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: johannes@sipsolutions.net, sashal@kernel.org,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
javier.carrasco.cruz@gmail.com, skhan@linuxfoundation.org,
stable@vger.kernel.org, Johannes Berg <johannes.berg@intel.com>,
syzbot+07bee335584b04e7c2f8@syzkaller.appspotmail.com
Subject: Re: [PATCH] wifi: mac80211: check basic rates validity
Date: Sat, 10 Aug 2024 11:59:41 +0200 [thread overview]
Message-ID: <35593d3b-e4df-45a3-9c9b-101420aedff8@gmail.com> (raw)
In-Reply-To: <2024073014-borrowing-justifier-18c8@gregkh>
On 7/30/24 16:23, Greg KH wrote:
> On Mon, Jul 29, 2024 at 03:43:18PM +0200, Vincenzo Mezzela wrote:
>> From: Johannes Berg <johannes.berg@intel.com>
>>
>> commit ce04abc3fcc62cd5640af981ebfd7c4dc3bded28 upstream.
>>
>> When userspace sets basic rates, it might send us some rates
>> list that's empty or consists of invalid values only. We're
>> currently ignoring invalid values and then may end up with a
>> rates bitmap that's empty, which later results in a warning.
>>
>> Reject the call if there were no valid rates.
>>
>> [ Conflict resolution involved adjusting the patch to accommodate
>> changes in the function signature of ieee80211_parse_bitrates and
>> ieee80211_check_rate_mask ]
>>
>> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
>> Reported-by: syzbot+07bee335584b04e7c2f8@syzkaller.appspotmail.com
>> Tested-by: syzbot+07bee335584b04e7c2f8@syzkaller.appspotmail.com
>> Closes: https://syzkaller.appspot.com/bug?extid=07bee335584b04e7c2f8
>> Signed-off-by: Vincenzo Mezzela <vincenzo.mezzela@gmail.com>
>> ---
>> Hi,
>> please note that a backport of the same patch for v5.15 is available at
>> [1].
> Please resend [1] as it's gone from my queue.
>
> greg k-h
Hi Greg,
I've just sent it here [1].
Vincenzo
- [1]
https://lore.kernel.org/all/20240810095432.89063-1-vincenzo.mezzela@gmail.com/
next prev parent reply other threads:[~2024-08-10 9:59 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-29 13:43 [PATCH] wifi: mac80211: check basic rates validity Vincenzo Mezzela
2024-07-29 13:51 ` vincenzo mezzela
2024-07-30 14:23 ` Greg KH
2024-08-10 9:59 ` vincenzo mezzela [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-02-24 9:52 Johannes Berg
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