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 EA1FD32ED4C; Thu, 19 Feb 2026 22:59:56 +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=1771541997; cv=none; b=Z7LAgr5VcfNJRcfyFV0I2dcSGc1kJdTqXWHpouZWoLve8oaOYoPL8EzbdhbqiXzpcCKdmq9DJ2h6JCD6Spkr6yuxj0PRRm/urSOAtu7sr+XQhAlVjSM4GNYB46GLZqwtKlTM5qk1GKx6zV01aVUAxU/DuEcLvN5iU8jQAbTH+Po= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771541997; c=relaxed/simple; bh=21P4lQoosmeqD57PbfY+n1gGE4GdvTCMHoeeb+nIk3c=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=AQU/+ZrarC2gsiSbFlLM3vZPiJhXgwsa+25rrh5LEQtFpMmjj00eRD5XmkZwksIA4zuaI9M+XVMQ9n2nC/N3QUdpD5rw7vApfPSkH14w9n6uI8wNxjSMb8/tTyNvr1U00Ts6MZvOoEmnMPoTuhlUVFFHx5qLQZh2xYAiBtGGekQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=N/Uv1Dgy; 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="N/Uv1Dgy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 837B1C4CEF7; Thu, 19 Feb 2026 22:59:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771541996; bh=21P4lQoosmeqD57PbfY+n1gGE4GdvTCMHoeeb+nIk3c=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=N/Uv1DgymzT8HhbsuQqxEbazuNahNqFv+Fr1fgtZYrRfsWqBfr3DX/UkiXxraZrj8 qk9y5sMUxxE8rNKs7bOjhvA32UmPDRsFFNL9mkXHpsmZJX9BJj8T32Vct/xJI9mNVg ASP9/OQtknH/AYOu6HuJpYBfkQsj5F9jQSy7Jl39WA92p2jYCAzXLr1QJxirqCf0ve AigJrgvzrlAwwSdRvVxNdJ70xmLokg0UdtA9+3YZODwCqopkGdCHlY8iCzArMBIg5z 5WdvrzlT+kV/RPwSmytYirVwNV3NZxzRh/0Sk8OrU1qj48KcvssqcKn1OT4DIdHb3H 4cKHOGRgKkOqg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3FEDE3809A88; Thu, 19 Feb 2026 23:00:06 +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 v2 net] net: dsa: sja1105: protect link replay helpers against NULL phylink instance From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177154200505.124841.17439229755719074518.git-patchwork-notify@kernel.org> Date: Thu, 19 Feb 2026 23:00:05 +0000 References: <20260218160551.194782-1-vladimir.oltean@nxp.com> In-Reply-To: <20260218160551.194782-1-vladimir.oltean@nxp.com> To: Vladimir Oltean Cc: netdev@vger.kernel.org, andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 18 Feb 2026 18:05:51 +0200 you wrote: > There is a crash when unbinding the sja1105 driver under special > circumstances: > > Unable to handle kernel NULL pointer dereference at virtual address 0000000000000030 > Call trace: > phylink_run_resolve_and_disable+0x10/0x90 > sja1105_static_config_reload+0xc0/0x410 > sja1105_vlan_filtering+0x100/0x140 > dsa_port_vlan_filtering+0x13c/0x368 > dsa_port_reset_vlan_filtering.isra.0+0xe8/0x198 > dsa_port_bridge_leave+0x130/0x248 > dsa_user_changeupper.part.0+0x74/0x158 > dsa_user_netdevice_event+0x50c/0xa50 > notifier_call_chain+0x78/0x148 > raw_notifier_call_chain+0x20/0x38 > call_netdevice_notifiers_info+0x58/0xa8 > __netdev_upper_dev_unlink+0xac/0x220 > netdev_upper_dev_unlink+0x38/0x70 > del_nbp+0x1a4/0x320 > br_del_if+0x3c/0xd8 > br_device_event+0xf8/0x2d8 > notifier_call_chain+0x78/0x148 > raw_notifier_call_chain+0x20/0x38 > call_netdevice_notifiers_info+0x58/0xa8 > unregister_netdevice_many_notify+0x314/0x848 > unregister_netdevice_queue+0xe8/0xf8 > dsa_user_destroy+0x50/0xa8 > dsa_port_teardown+0x80/0x98 > dsa_switch_teardown_ports+0x4c/0xb8 > dsa_switch_deinit+0x94/0xb8 > dsa_switch_put_tree+0x2c/0xc0 > dsa_unregister_switch+0x38/0x60 > sja1105_remove+0x24/0x40 > spi_remove+0x38/0x60 > device_remove+0x54/0x90 > device_release_driver_internal+0x1d4/0x230 > device_driver_detach+0x20/0x38 > unbind_store+0xbc/0xc8 > > [...] Here is the summary with links: - [v2,net] net: dsa: sja1105: protect link replay helpers against NULL phylink instance https://git.kernel.org/netdev/net/c/bfd264fbbbca You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html