From: Greg KH <greg@kroah.com>
To: Wentao Guan <guanwentao@uniontech.com>
Cc: sashal@kernel.org, kartikey406@gmail.com,
harshit.m.mogalapalli@oracle.com, johannes@sipsolutions.net,
linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH v2 6.6.y] wifi: cfg80211: release locks on error in cfg80211_wext_siwgenie()
Date: Sat, 31 Oct 2026 12:27:14 +0100 [thread overview]
Message-ID: <2026103107-pester-landmine-0d9c@gregkh> (raw)
In-Reply-To: <20261012154059.1233032-1-guanwentao@uniontech.com>
On Mon, Oct 12, 2026 at 11:40:59PM +0800, Wentao Guan wrote:
> This error path returns while both wiphy_lock() and wdev_lock() are still
> held, so one malformed IE request can permanently block later operations
> on this wiphy. Route the error through out to release both locks.
>
> Reported-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
> Closes: https://lore.kernel.org/all/93db0eae-f479-4343-a126-59987ae0dc22@oracle.com/
> Fixes: d01f1600e8b0 ("wifi: cfg80211: validate IEs in cfg80211_wext_siwgenie()")
> Signed-off-by: Wentao Guan <guanwentao@uniontech.com>
> ---
> changelog v2:
> add Reported-by.
<formletter>
This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read:
https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.
</formletter>
prev parent reply other threads:[~2026-10-31 11:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-12 15:40 Wentao Guan
2026-10-31 11:27 ` Greg KH [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2026103107-pester-landmine-0d9c@gregkh \
--to=greg@kroah.com \
--cc=guanwentao@uniontech.com \
--cc=harshit.m.mogalapalli@oracle.com \
--cc=johannes@sipsolutions.net \
--cc=kartikey406@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=sashal@kernel.org \
--cc=stable@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®