From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 27 Jan 2026 08:57:44 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vkdxI-005pFd-2f for lore@lore.pengutronix.de; Tue, 27 Jan 2026 08:57:44 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vkdxH-0004X9-ST for lore@pengutronix.de; Tue, 27 Jan 2026 08:57:44 +0100 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:Date:Message-Id:Subject:References:In-Reply-To:To: From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+Nm8Wa09MSlFYJSmnjqfBiw82WEo1YjRC+XNg12oTYM=; b=REbVPykBvL8cqXH5pzG9InbDFH 0jne/wh1bggIsF+gaaf4Tz97TWb3lMqrONKijCNcKF0AFktQ33HJlwJutIEAtCpl/OQEsRxGT5Uls /NXhw8CuHZ4CnJd3kuhctkKK+YggFOdvndKJYmCffaMMi4os/nlbDM5OlunJuryNh+uFKkSRfhyBO ok/bmHL//otcyjBK241qOrbm43HGGXJqXd+aScpcjxd31kn2aV3luyPlCrDE8FRn+RZlRPUF+NBcG l7H0JyYSHDvPV0dYTp/gS0Al47TSnUn4f4JQOscMDqD2lNF9+tMGGXRmihizSNFT1AvOrYeIbr4Ye Qs9HX4RA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vkdwv-0000000Do8Z-10Wm; Tue, 27 Jan 2026 07:57:21 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vkdwr-0000000Do83-38Z0 for barebox@lists.infradead.org; Tue, 27 Jan 2026 07:57:19 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vkdwp-0004TD-V4; Tue, 27 Jan 2026 08:57:15 +0100 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vkdwq-002iGz-1R; Tue, 27 Jan 2026 08:57:15 +0100 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1vkdwq-00000008fTt-0ogX; Tue, 27 Jan 2026 08:57:15 +0100 From: Sascha Hauer To: barebox@lists.infradead.org, Ahmad Fatoum In-Reply-To: <20260126104153.547505-1-a.fatoum@pengutronix.de> References: <20260126104153.547505-1-a.fatoum@pengutronix.de> Message-Id: <176950063572.2065600.8991755394217940500.b4-ty@pengutronix.de> Date: Tue, 27 Jan 2026 08:57:15 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260126_235717_793530_A861F159 X-CRM114-Status: UNSURE ( 9.32 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-1.9 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE,SUBJECT_IN_BLACKLIST, SUBJECT_IN_BLOCKLIST autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH master] net: phy: mdio_bus: fix freeing of cdev name before devfs_remove X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On Mon, 26 Jan 2026 11:41:37 +0100, Ahmad Fatoum wrote: > devfs_remove acces struct cdev::name to do an unlink on the path in > /dev. This leads to a use-after-free inside mdio_bus_remove. > > Reorder the free after devfs_remove to fix this. This is the way that > other drivers in tree that have /free.*cdev(\.|->)name/ do it. > > Issue was detected by KASAN being active during kernel boot. > > [...] Applied, thanks! [1/1] net: phy: mdio_bus: fix freeing of cdev name before devfs_remove https://git.pengutronix.de/cgit/barebox/commit/?id=0a67f4f35d64 (link may not be stable) Best regards, -- Sascha Hauer