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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D0AFAC52D6F for ; Tue, 27 Aug 2024 05:35:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=MQ6dpe98L/8TCUESLaKBikF1ntMfY9wxYyoOQRmWTKw=; b=XzX7PkIeib1x2hDF+pl5KWgOBV j0pld1QUtAZhO8jZZf3wnrA6bEG5fFYvnS7n5JcSLPvDLxCvXOYQQWHpOEm10dYdifqzyXnd/IVP1 KsK1NQYkrLa8HEO4NFZ9tvmgae6h46CiwyeQIaBxeITkgb2w/QF9M8YXxgJUrlZCbTRDcufB1Jnyz omRSoyUJhMFIrnVMrsLtjW2iPg0kq/2gdiYIqQplTGnAaUB7rRqHwhzLWSYcgtSkYAmVbgrifenOK B8g9SXimVpZF3M4RoVUUA+MxTuoPwL1tKxyHR5UF1V5FjlW1VJX6Y1I6fnosDftWtlQzBpM92D0V5 p/KIYOsQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sior4-00000009t7i-21dq; Tue, 27 Aug 2024 05:34:58 +0000 Received: from relay2-d.mail.gandi.net ([2001:4b98:dc4:8::222]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sioqG-00000009suv-1OPL for linux-arm-kernel@lists.infradead.org; Tue, 27 Aug 2024 05:34:10 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id A7B3E40005; Tue, 27 Aug 2024 05:34:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1724736843; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MQ6dpe98L/8TCUESLaKBikF1ntMfY9wxYyoOQRmWTKw=; b=AQyk4QSwtJmE+tQ8ViV6yL1K/oPH4PeoVk0ttW73t8ZO+k7ISm+r/kaR+R3G6PoS1RK6co yr+kbxZ0Kn3AhsfO5PxQv6BbtzSmfPihcUMXtMnz2fuKOw51r1lALNwPuew0pTcDc14kV/ Z9E9sldqZpsi7josy5zz2wBJF1hkSR7QxjSDhw4VUke1koZkA5cRq+SBHRvhB9cz5XIEjl wbIkGTnt6w4hHecMVlun/6anNauYV+4c9k4Xx0DJHXyOE1eT13Xlr4s4GGApOuoUExocYg Qq/TsgI1tmnLnpdnocSqk4+aohPidA+BS662mM+sbOC/3IcPS1hIsLeDmi2GZg== Date: Tue, 27 Aug 2024 07:33:59 +0200 From: Maxime Chevallier To: Pengfei Xu Cc: , , , , Andrew Lunn , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Russell King , , "Christophe Leroy" , Herve Codina , Florian Fainelli , Heiner Kallweit , Vladimir Oltean , =?UTF-8?B?S8O2cnk=?= Maincent , "Jesse Brandeburg" , Marek =?UTF-8?B?QmVow7pu?= , Piergiorgio Beruto , Oleksij Rempel , =?UTF-8?B?Tmljb2zDsg==?= Veronese , Simon Horman , , Nathan Chancellor , Antoine Tenart , Marc Kleine-Budde , Dan Carpenter , Romain Gantois Subject: Re: [PATCH net-next v17 11/14] net: ethtool: cable-test: Target the command to the requested PHY Message-ID: <20240827073359.5d47c077@fedora-3.home> In-Reply-To: References: <20240709063039.2909536-1-maxime.chevallier@bootlin.com> <20240709063039.2909536-12-maxime.chevallier@bootlin.com> Organization: Bootlin X-Mailer: Claws Mail 4.3.0 (GTK 3.24.43; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-GND-Sasl: maxime.chevallier@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240826_223409_173429_899C4278 X-CRM114-Status: UNSURE ( 9.59 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, On Tue, 27 Aug 2024 13:25:52 +0800 Pengfei Xu wrote: > Hi Maxime Chevallier, > > I used syzkaller and found that: there was general protection fault in > phy_start_cable_test_tdr in Linux next:next-20240826. > > Bisected and found first bad commit: > " > 3688ff3077d3 net: ethtool: cable-test: Target the command to the requested PHY > " > After reverted below commit on top of next-20240826, this issue was gone. > > All detailed info: https://github.com/xupengfe/syzkaller_logs/tree/main/240826_202302_phy_start_cable_test_tdr > Syzkaller repro code: https://github.com/xupengfe/syzkaller_logs/blob/main/240826_202302_phy_start_cable_test_tdr/repro.c > Syzkaller repro syscall steps: https://github.com/xupengfe/syzkaller_logs/blob/main/240826_202302_phy_start_cable_test_tdr/repro.prog > Syzkaller report: https://github.com/xupengfe/syzkaller_logs/blob/main/240826_202302_phy_start_cable_test_tdr/repro.report > Kconfig(make olddefconfig): https://github.com/xupengfe/syzkaller_logs/blob/main/240826_202302_phy_start_cable_test_tdr/kconfig_origin > Bisect info: https://github.com/xupengfe/syzkaller_logs/blob/main/240826_202302_phy_start_cable_test_tdr/bisect_info.log > bzImage: https://github.com/xupengfe/syzkaller_logs/raw/main/240826_202302_phy_start_cable_test_tdr/bzImage_1ca4237ad9ce29b0c66fe87862f1da54ac56a1e8.tar.gz > Issue dmesg: https://github.com/xupengfe/syzkaller_logs/blob/main/240826_202302_phy_start_cable_test_tdr/1ca4237ad9ce29b0c66fe87862f1da54ac56a1e8_dmesg.log Thanks for the report ! This issue has indeed been detected, and is being addressed, see : https://lore.kernel.org/netdev/20240826134656.94892-1-djahchankoike@gmail.com/ Thanks, Maxime