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 76AD319CC39; Tue, 19 Aug 2025 00:59:59 +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=1755565200; cv=none; b=NB2yW4NGML6rthPFzeGB3iHzLzVeIq5W153ziZP+LVY0OCVR221ISdc+a0IlK71HjD9l+3zEGqX69JEqcAJGasVKCzp8nfHPTJMmaGjUcrJ4lgUXcdaRJhWUqw33+NfrkkEacaCEF45a5KD5Hq2w04Dq/4gTO01EF2l42dckTfg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755565200; c=relaxed/simple; bh=+sfa6t83e14yl9Xt2JNYP1qflvGr43FTmDcm5kBC2fc=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=hm0ue9wwiK6sE+H2WZefloOD1/PmeTTRz02Kiy3A4BKwyRW96jlW8uazZJasHk6D/ohC5ZW9mniplQ27Gcng+ijUiJNndh3BaPIzjREuScqRZWZwfDloOLf7APofBq//VADMD0HNlRL/RSsMjGFSmRotaKBXBWifNcYsfzh3s4I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QrQTh/9F; 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="QrQTh/9F" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E9FDBC113D0; Tue, 19 Aug 2025 00:59:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755565199; bh=+sfa6t83e14yl9Xt2JNYP1qflvGr43FTmDcm5kBC2fc=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=QrQTh/9FnWoa0R76UqgIaE1thDJoI++FVd/YrR0RUFEkbFzBaldnqh6SCdBvmfymM X7Cyw4Px9hxlcsPXg/USd4XcRK5j+u/iqkBe9hmzxxy2uehC7sVlwBD/Nc4ze4YQgz +35LyjB7nvp8Xfa4TWWUApRBgCquXAxwVzvatWP6MMzxag9fnuyJILJholqgQtYwwC wiI8c5+cihXwS9w0V27GgQ+dsPSxY+irQJBmYmEcaYzx9rQYOTbkuLGp1pjzOX0oej 6/wHCjfjRmItCrGHvlZ9M3ZhMfL8QSx28rheB0DuZlyqECXZVveuUz+Y54sQG11TSt hPpHu57MITrzQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 33C97383BF4E; Tue, 19 Aug 2025 01:00:10 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net: dsa: b53: fix reserved register access in b53_fdb_dump() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <175556520899.2966773.10487281916372982476.git-patchwork-notify@kernel.org> Date: Tue, 19 Aug 2025 01:00:08 +0000 References: <20250815201809.549195-1-jonas.gorski@gmail.com> In-Reply-To: <20250815201809.549195-1-jonas.gorski@gmail.com> To: Jonas Gorski Cc: florian.fainelli@broadcom.com, andrew@lunn.ch, olteanv@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, noltari@gmail.com, f.fainelli@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Fri, 15 Aug 2025 22:18:09 +0200 you wrote: > When BCM5325 support was added in c45655386e53 ("net: dsa: b53: add > support for FDB operations on 5325/5365"), the register used for ARL access > was made conditional on the chip. > > But in b53_fdb_dump(), instead of the register argument the page > argument was replaced, causing it to write to a reserved page 0x50 on > !BCM5325*. Writing to this page seems to completely lock the switch up: > > [...] Here is the summary with links: - [net] net: dsa: b53: fix reserved register access in b53_fdb_dump() https://git.kernel.org/netdev/net/c/89eb9a62aed7 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html