From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 02 Apr 2026 09:56:05 +0200 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 1w8CuL-007m92-1F for lore@lore.pengutronix.de; Thu, 02 Apr 2026 09:56:05 +0200 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 1w8CuK-0006bE-Sd for lore@pengutronix.de; Thu, 02 Apr 2026 09:56:05 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:To: Content-Transfer-Encoding:Content-Type:MIME-Version:Message-Id:Date:Subject: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=D/FUSSLFA5NCHmsnag8f70VIawyBzykdXQVMDB9yrtk=; b=uCuIheIEvEVkr+ ynVDjwfXKdX/tPwAr/2Hz3Hwy5RtBKUhzCweug6aOXG9zWGJod5lCnV3hlMxxU5XuUjMa8ZBoEHhd C4yVYOJ+MjVyeeoB//H44k54cJTF1CUlaw8gUJnCDr1QUkDYPysFw8C706VvMCcakLkl/rJO/7/uz twekrL/uPSUJU5FzZ5OAWQBJAcAQjcHiQyheoA3/5aR3hBtHeYD3bNeO2Lj09n0CCOspnDAFZp6SI Y8++zbidGlKItEto6vUVJ8ckXHHXupBNDVuIaEGDHfLmxgHJhPWBLXbr/F6OGvz98foYbUdExtIRB KjuVYatfYiquP1OQYgqQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w8Cty-0000000H7hn-4B1a; Thu, 02 Apr 2026 07:55:42 +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 1w8Ctx-0000000H7h8-0jLx for barebox@lists.infradead.org; Thu, 02 Apr 2026 07:55:42 +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 1w8Ctf-0006Nu-Dy; Thu, 02 Apr 2026 09:55:23 +0200 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 1w8Ctf-003L4h-0g; Thu, 02 Apr 2026 09:55:23 +0200 Received: from [::1] (helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1w8Ctf-00000003RCj-0aTj; Thu, 02 Apr 2026 09:55:23 +0200 From: Sascha Hauer Date: Thu, 02 Apr 2026 09:55:22 +0200 Message-Id: <20260402-net-nfs-buffer-overflows-v1-0-5dc46ef1da81@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAOogzmkC/x3MQQrCMBBG4auUWTsQQxPEq4gLa//RAUlkRmOh9 O6GLr/Feys5TOF0HlYyNHWtpeN4GOj+vJUHWOduiiHmMIbIBR8u4jx9RWBcG0xe9ec8nmJKOWV AQD1/G0SXfX25btsfDlKohmoAAAA= X-Change-ID: 20260402-net-nfs-buffer-overflows-48255656eefe To: BAREBOX X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1775116523; l=568; i=s.hauer@pengutronix.de; s=20230412; h=from:subject:message-id; bh=DI+AYCFTJEpmgTugt9AeGtQOUq1kCuKvXX/asHc2wG8=; b=PoUObUxVIsPW6X0fy4reMMIBNjBzRQ3BPfmxtNO1AHrmJ564Cg1SF1RZ0UootHLiZ9hh6NXQq au1rxg3lA7CBcagbJWf52KXV6Bq3BOEEvOmADeI5Qzk/gF6XBjhTTLO X-Developer-Key: i=s.hauer@pengutronix.de; a=ed25519; pk=4kuc9ocmECiBJKWxYgqyhtZOHj5AWi7+d0n/UjhkwTg= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260402_005541_221913_DAC97AFD X-CRM114-Status: UNSURE ( 4.99 ) 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: , Cc: "Claude Opus 4.6 \(1M context\)" 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=-5.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 0/2] nfs: protect against corrupt packets and userdata 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) One patch protecting against a too long mount path and one against truncated packets. Signed-off-by: Sascha Hauer --- Sascha Hauer (2): fs: nfs: fix stack and packet buffer overflows from long NFS paths fs: nfs: fix NULL dereference in nfs_read_req on truncated packets fs/nfs.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) --- base-commit: 0933e8f2ebf0d91dfcf177a4e4292b02921a53f1 change-id: 20260402-net-nfs-buffer-overflows-48255656eefe Best regards, -- Sascha Hauer