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([106.205.245.146]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c6dcb5e5f98sm29117a12.17.2026.02.05.09.23.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Feb 2026 09:23:29 -0800 (PST) From: Dhyan K Prajapati X-Google-Original-From: Dhyan K Prajapati To: Johannes Berg Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org, stable@vger.kernel.org, dhyaan19022009-hue Subject: [PATCH v3 wireless] mac80211: fix NULL pointer dereference in monitor mode Date: Thu, 5 Feb 2026 22:53:12 +0530 Message-ID: <20260205172313.16652-1-dhyaan19022009@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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