From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CDA5117CA12; Tue, 13 Aug 2024 09:49:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723542546; cv=none; b=ef47nxhgN3aihZocSBBURE+bhcLrMTaVScHyv877BXhk22+GPTJlFOc/YlDruDS69zHQa8WyjBsOK/A4F4VxukbuKzzJ9uogLps8HMNHkv3GYb8UrW/n0ERzbdZ5/WGDeB3o8EWv9Tr7rByogv2EXC1ozQkwLFVHyfFcXihrf/Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723542546; c=relaxed/simple; bh=8fDU1EJcJbp7TqLl3KPDcjnqpz0sGS18/Q/mFMtTAOI=; h=Content-Type:MIME-Version:Subject:From:In-Reply-To:References:To: Cc:Message-ID:Date; b=CCv5ptXQmte3FxVtlq3C6kOFAxKFdNrH22IsAMAdnugVAsl+84lPeDjFVzTj9p2HW2G5ywO0f4jNIOVRXonDxMnAZc0he16sQPck5zJpia1CiFgycVz7P6t7dsf9+HUrpmOK/XMNbDyMvz4tnReUH/anItI+q9XilgfS/YxZDeU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=J5UqDRIY; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="J5UqDRIY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06BC1C4AF0B; Tue, 13 Aug 2024 09:49:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1723542546; bh=8fDU1EJcJbp7TqLl3KPDcjnqpz0sGS18/Q/mFMtTAOI=; h=Subject:From:In-Reply-To:References:To:Cc:Date:From; b=J5UqDRIYrSqnZnnN51vSOy1K9u/n9mEdhrmO4KIzmIKSQYhBIjDtjkcX06m1AcDGL nsK/1eIBokVtGFJTdDCwsOPRh9pv/OK5zzkvP4BF7sPmkus4QCF9Fyz3tbsR1W3iiF 3lejAbrrCvV6Q3VVWjXhMEEqwSzjXnsyYt7jB8ZFIjYwWR3AY0u7paJXMKK/Q7OxEp P5BdBV2rGxgO91IS2bGQnyXY/c2f4RzWGCScSWSbhgD8tPER40g5jiYCWqytnn0tGK vDljK26Qn3GjaS1SVcvhILYPW5Ajy/jzVqzdCb51u0H0SKjVBvFADwiePkc60EYrFT uZrDBTNDQzNSA== Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [PATCH wireless] wifi: mt76: mt7921: fix NULL pointer access in mt7921_ipv6_addr_change From: Kalle Valo In-Reply-To: <20240812104542.80760-1-spasswolf@web.de> References: <20240812104542.80760-1-spasswolf@web.de> To: Bert Karwatzki Cc: linux-wireless@vger.kernel.org, Bert Karwatzki , Felix Fietkau , Sean Wang , deren.wu@mediatek.com, linux-mediatek@lists.infradead.org, lorenzo.bianconi@redhat.com, mingyen.hsieh@mediatek.com, sean.wang@mediatek.com, linux-kernel@vger.kernel.org User-Agent: pwcli/0.1.1-git (https://github.com/kvalo/pwcli/) Python/3.11.2 Message-ID: <172354254201.696913.4098326996173451607.kvalo@kernel.org> Date: Tue, 13 Aug 2024 09:49:03 +0000 (UTC) Bert Karwatzki wrote: > When disabling wifi mt7921_ipv6_addr_change() is called as a notifier. > At this point mvif->phy is already NULL so we cannot use it here. > > Signed-off-by: Bert Karwatzki > Signed-off-by: Felix Fietkau Patch applied to wireless.git, thanks. 479ffee68d59 wifi: mt76: mt7921: fix NULL pointer access in mt7921_ipv6_addr_change -- https://patchwork.kernel.org/project/linux-wireless/patch/20240812104542.80760-1-spasswolf@web.de/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches