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 91AE42DF128; Fri, 3 Oct 2025 18:00:22 +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=1759514423; cv=none; b=cs3dOIh9x7Sy0V9EThDma/0V0N3p1fqm7u1yUjd9U0103OoAMRswynBsZxsG6JUmIpD1zoex0YhEP4JUft/oggmWZt+556bclkPtHlu1F3G+mM15qEbVXWKU3xQen+9WoOCwvq4mkaewsJ+6a3vpTA7BKnZcuhMRF2Nx/Z5VyaE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759514423; c=relaxed/simple; bh=GecTde0LWdZKHylj78jeHskxHfBTpN0ZQIUAes50qz4=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=Bzge0wqnb7SwDdUx87zWYVgOjjYV1k/BumLJ+Ij76f5g8RWotYsBGyeWOlCprDcwzDouKgrwj0MCLj8yC1Zm8uqcV6rEDLoFz6nOHGZywdc68CihBBxanpYWtKijvXRSdSyRobXzL1gLqRcrWjH1N+Lmq3i//4X9BVhhtz9rB4I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TlHGidax; 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="TlHGidax" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DF8D7C4CEFF; Fri, 3 Oct 2025 18:00:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759514421; bh=GecTde0LWdZKHylj78jeHskxHfBTpN0ZQIUAes50qz4=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=TlHGidaxC6KWNp2mHI0e3FgjafWc/rSwWp6jU2CpUkczW7MOxLVXjo4RnUCmeual3 ajne2os+ekU1DZ7lSitPB1RGqiZO2ZPA5+xZQr4aQDqtFN7qsb08UfZGg0sgfUCcdz gKtmGRB671jO2XFm41VEWFfU2jZw+ugm6/2zoE8K4JoAC4IrszJicYjYWDpgOgSgQf XMN6zmgj2up75DXC7OpMvj70RJJvsR70lmHry6wUTsbkLZriwIie4GCP2UDXqTlZ9l HiItgW3RZNlkMJwuhyYeomXVgIUjm+gWA3oNA0YbYFcUOmQ9gfPEz4wudimdsk2+OU +/+DYppCJnqMw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 70EEA39D0C1A; Fri, 3 Oct 2025 18:00:14 +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: usb: lan78xx: Fix lost EEPROM read timeout error(-ETIMEDOUT) in lan78xx_read_raw_eeprom From: patchwork-bot+netdevbpf@kernel.org Message-Id: <175951441326.20895.16161652671675865420.git-patchwork-notify@kernel.org> Date: Fri, 03 Oct 2025 18:00:13 +0000 References: <20250930084902.19062-1-bhanuseshukumar@gmail.com> In-Reply-To: <20250930084902.19062-1-bhanuseshukumar@gmail.com> To: Bhanu Seshu Kumar Valluri Cc: Thangaraj.S@microchip.com, Rengarajan.S@microchip.com, UNGLinuxDriver@microchip.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, o.rempel@pengutronix.de, netdev@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+62ec8226f01cb4ca19d9@syzkaller.appspotmail.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Tue, 30 Sep 2025 14:19:02 +0530 you wrote: > Syzbot reported read of uninitialized variable BUG with following call stack. > > lan78xx 8-1:1.0 (unnamed net_device) (uninitialized): EEPROM read operation timeout > ===================================================== > BUG: KMSAN: uninit-value in lan78xx_read_eeprom drivers/net/usb/lan78xx.c:1095 [inline] > BUG: KMSAN: uninit-value in lan78xx_init_mac_address drivers/net/usb/lan78xx.c:1937 [inline] > BUG: KMSAN: uninit-value in lan78xx_reset+0x999/0x2cd0 drivers/net/usb/lan78xx.c:3241 > lan78xx_read_eeprom drivers/net/usb/lan78xx.c:1095 [inline] > lan78xx_init_mac_address drivers/net/usb/lan78xx.c:1937 [inline] > lan78xx_reset+0x999/0x2cd0 drivers/net/usb/lan78xx.c:3241 > lan78xx_bind+0x711/0x1690 drivers/net/usb/lan78xx.c:3766 > lan78xx_probe+0x225c/0x3310 drivers/net/usb/lan78xx.c:4707 > > [...] Here is the summary with links: - net: usb: lan78xx: Fix lost EEPROM read timeout error(-ETIMEDOUT) in lan78xx_read_raw_eeprom https://git.kernel.org/netdev/net/c/49bdb63ff644 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html