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Thu, 5 Feb 2026 12:34:02 -0500 (EST) Date: Thu, 5 Feb 2026 18:34:00 +0100 From: Greg KH To: Dhyan K Prajapati Cc: Johannes Berg , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, stable@vger.kernel.org, dhyaan19022009-hue Subject: Re: [PATCH v3 wireless] mac80211: fix NULL pointer dereference in monitor mode Message-ID: <2026020553-consult-widow-3d06@gregkh> References: <20260205172313.16652-1-dhyaan19022009@gmail.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260205172313.16652-1-dhyaan19022009@gmail.com> On Thu, Feb 05, 2026 at 10:53:12PM +0530, Dhyan K Prajapati wrote: > From: dhyaan19022009-hue > > Signed-off-by: dhyaan19022009-hue > --- > net/mac80211/main.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/net/mac80211/main.c b/net/mac80211/main.c > index b05e313c7..190222c26 100644 > --- a/net/mac80211/main.c > +++ b/net/mac80211/main.c > @@ -416,6 +416,8 @@ void ieee80211_link_info_change_notify(struct ieee80211_sub_if_data *sdata, > case NL80211_IFTYPE_MONITOR: > if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF)) > return; > + if (!link->conf->bss) > + return; > break; > default: > break; > -- > 2.43.0 > > 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.