From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 02 Jun 2025 09:43:18 +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 1uLzpF-002src-3B for lore@lore.pengutronix.de; Mon, 02 Jun 2025 09:43:18 +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 1uLzpF-0005mL-FE for lore@pengutronix.de; Mon, 02 Jun 2025 09:43:17 +0200 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=rodJhjSrFZTp2oE9BKWfA18Ws5nCwK13bvA+HtDR8oY=; b=noyJi68Uv9QIt43JfUXATAYyHF sMHA6FKW99kSTB+uQ2O8Mj2PRfFn7bNvJbho2xNQeAROl9CmqWZTaZhLha6jrJAd7ygLbzxS5xHWh BoL1qSv2p+G4ZsMa0Dg73E28KoBht5exXvqf6fRn0V3ByT20g284U+FxR8Cmb5u+8Jtx1AFuu/gdW wayZUciT3EEihvlJGMRjIYOgJTwxBLKrUw7E4i1ysSmG4xa2v5M2TcPkNbqNY3y3ctNWwt6RIUdYJ ZAOdPtypISi4jRWQYpNVT+ek9IRq+ozFdMY+jfLzWVstz/yuWjr0hOmzgA6hGCf5g+LKEleGAbm6e l9X0wHtQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uLzob-00000006vYy-2e0n; Mon, 02 Jun 2025 07:42:37 +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 1uLzoY-00000006vY7-3aDw for barebox@lists.infradead.org; Mon, 02 Jun 2025 07:42:36 +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 1uLzoV-0005V3-PC; Mon, 02 Jun 2025 09:42:31 +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 1uLzoT-001Psj-2o; Mon, 02 Jun 2025 09:42:29 +0200 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1uLzoT-003VIE-2X; Mon, 02 Jun 2025 09:42:29 +0200 From: Sascha Hauer To: barebox@lists.infradead.org, Ahmad Fatoum In-Reply-To: <20250601210002.562733-5-a.fatoum@barebox.org> References: <20250601210002.562733-1-a.fatoum@barebox.org> <20250601210002.562733-5-a.fatoum@barebox.org> Message-Id: <174885014978.835242.479845612833565977.b4-ty@pengutronix.de> Date: Mon, 02 Jun 2025 09:42:29 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250602_004234_896761_AE35686F X-CRM114-Status: UNSURE ( 7.76 ) 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=-5.3 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: Re: (subset) [PATCH 5/5] fbconsole: reset cursor to origin when changing fonts 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 Sun, 01 Jun 2025 23:00:02 +0200, Ahmad Fatoum wrote: > If we switch from one font to another, we update priv->rows and > priv->cols, but priv->x and priv->y remain at their old values. > > This becomes problematic, when a bigger font is chosen, because the > coordinates may now exceed the maximum number of rows and lines, > triggering an out-of-bounds memory access, when they are scaled > according to the new font. > > [...] Applied, thanks! [5/5] fbconsole: reset cursor to origin when changing fonts https://git.pengutronix.de/cgit/barebox/commit/?id=812b498be405 (link may not be stable) Best regards, -- Sascha Hauer