From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D86EC0032E for ; Sun, 22 Oct 2023 10:40:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231796AbjJVKkb (ORCPT ); Sun, 22 Oct 2023 06:40:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231576AbjJVKk3 (ORCPT ); Sun, 22 Oct 2023 06:40:29 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AA5E0124 for ; Sun, 22 Oct 2023 03:40:26 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPS id CE2ABC433C7; Sun, 22 Oct 2023 10:40:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1697971223; bh=AmxucS0I6jpezYSp6CUJ8OIsJn2NqODuFduq57nFTjw=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=OrB1dyuzfdbJ/7oZW/qkEYhUCM01qzeJMC0F+gFPLAjZJqlvN1mGGAq0gmOQBp4m5 RVC/bcn4oJWuzKy4tm3BAiqVAU9STic0TZ8dyrkC5Mg6qWeIhGtkT18IhvH1Ojr/4g dP0ic1nRnHyeGv+QxAs9E7TEf2VAb/kFWOvQne/rMRDCtANrMNj+aD5gmdDWUiSwIU YqDEXGe6Tp7mxF39hHX0FJAwdMR0ApMCZL/+qY8ZPiytbLK8WfVW5trlE8R3vdbSWI j0g9A/yG445tMPWGRX7U+bZWAJ3JkaMma1HXHgubfX7IXzWxufhqoDXfMTpE8Bt9y/ WY6E/WysvL21g== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id B0E3AC691E1; Sun, 22 Oct 2023 10:40:23 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net: usb: smsc95xx: Fix uninit-value access in smsc95xx_read_reg From: patchwork-bot+netdevbpf@kernel.org Message-Id: <169797122372.373.6344765542608925929.git-patchwork-notify@kernel.org> Date: Sun, 22 Oct 2023 10:40:23 +0000 References: <20231020170344.2450248-1-syoshida@redhat.com> In-Reply-To: <20231020170344.2450248-1-syoshida@redhat.com> To: Shigeru Yoshida Cc: steve.glendinning@shawell.net, UNGLinuxDriver@microchip.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+c74c24b43c9ae534f0e0@syzkaller.appspotmail.com, syzbot+2c97a98a5ba9ea9c23bd@syzkaller.appspotmail.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by David S. Miller : On Sat, 21 Oct 2023 02:03:44 +0900 you wrote: > syzbot reported the following uninit-value access issue [1]: > > smsc95xx 1-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x00000030: -32 > smsc95xx 1-1:0.0 (unnamed net_device) (uninitialized): Error reading E2P_CMD > ===================================================== > BUG: KMSAN: uninit-value in smsc95xx_reset+0x409/0x25f0 drivers/net/usb/smsc95xx.c:896 > smsc95xx_reset+0x409/0x25f0 drivers/net/usb/smsc95xx.c:896 > smsc95xx_bind+0x9bc/0x22e0 drivers/net/usb/smsc95xx.c:1131 > usbnet_probe+0x100b/0x4060 drivers/net/usb/usbnet.c:1750 > usb_probe_interface+0xc75/0x1210 drivers/usb/core/driver.c:396 > really_probe+0x506/0xf40 drivers/base/dd.c:658 > __driver_probe_device+0x2a7/0x5d0 drivers/base/dd.c:800 > driver_probe_device+0x72/0x7b0 drivers/base/dd.c:830 > __device_attach_driver+0x55a/0x8f0 drivers/base/dd.c:958 > bus_for_each_drv+0x3ff/0x620 drivers/base/bus.c:457 > __device_attach+0x3bd/0x640 drivers/base/dd.c:1030 > device_initial_probe+0x32/0x40 drivers/base/dd.c:1079 > bus_probe_device+0x3d8/0x5a0 drivers/base/bus.c:532 > device_add+0x16ae/0x1f20 drivers/base/core.c:3622 > usb_set_configuration+0x31c9/0x38c0 drivers/usb/core/message.c:2207 > usb_generic_driver_probe+0x109/0x2a0 drivers/usb/core/generic.c:238 > usb_probe_device+0x290/0x4a0 drivers/usb/core/driver.c:293 > really_probe+0x506/0xf40 drivers/base/dd.c:658 > __driver_probe_device+0x2a7/0x5d0 drivers/base/dd.c:800 > driver_probe_device+0x72/0x7b0 drivers/base/dd.c:830 > __device_attach_driver+0x55a/0x8f0 drivers/base/dd.c:958 > bus_for_each_drv+0x3ff/0x620 drivers/base/bus.c:457 > __device_attach+0x3bd/0x640 drivers/base/dd.c:1030 > device_initial_probe+0x32/0x40 drivers/base/dd.c:1079 > bus_probe_device+0x3d8/0x5a0 drivers/base/bus.c:532 > device_add+0x16ae/0x1f20 drivers/base/core.c:3622 > usb_new_device+0x15f6/0x22f0 drivers/usb/core/hub.c:2589 > hub_port_connect drivers/usb/core/hub.c:5440 [inline] > hub_port_connect_change drivers/usb/core/hub.c:5580 [inline] > port_event drivers/usb/core/hub.c:5740 [inline] > hub_event+0x53bc/0x7290 drivers/usb/core/hub.c:5822 > process_one_work kernel/workqueue.c:2630 [inline] > process_scheduled_works+0x104e/0x1e70 kernel/workqueue.c:2703 > worker_thread+0xf45/0x1490 kernel/workqueue.c:2784 > kthread+0x3e8/0x540 kernel/kthread.c:388 > ret_from_fork+0x66/0x80 arch/x86/kernel/process.c:147 > ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 > > [...] Here is the summary with links: - [net] net: usb: smsc95xx: Fix uninit-value access in smsc95xx_read_reg https://git.kernel.org/netdev/net/c/51a32e828109 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html