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 ACAE9EFCD72 for ; Mon, 9 Mar 2026 22:44:47 +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:Cc: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=oce+0JRH7oP95lMsb9LbT/mHsEvUzOv0UTqoZ9TUMP4=; b=jpvMCAxo8hlhci SxD7FcijGQWeAh3FxmSt8xMmjWqd9ImaijVY/ZDaJnCP8SiAMyJ6xL/qJ2FCoAg884fDZSHsj/dz0 dbEwHmN8kMg3GxzqjwmMliDWdXlFykSuGTXZShE7N9jJBwEIUMNoPL+axLG1QluHrr/QyGX+NaDsU pqnjp+txSHxQnGLIBxjfjtYBRLhevYVA6rpM/AYhn8I5oTgTkrcsko1gvjXgZctnvkYwTz1hF9CE3 lCwJ6/FfJxh4wPY1FYkNcO2zvPSnHxAf3hZsohA+MKZQ1qs5qohLYjvzOoeqQJPbQXUliR2ODE16U lACV/qTtlcFF4D8mi7XQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vzjL8-00000008F1F-14XF; Mon, 09 Mar 2026 22:44:42 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vzjL4-00000008Eyo-105a; Mon, 09 Mar 2026 22:44:40 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1773096275; bh=ielanxfO36OKZ6/DK4dhhEI8R7wMWkeZYXUkCFDY5f4=; h=From:Subject:Date:To:Cc:From; b=TIKRFETGF4gqBG8nw+65qMjKzLK/GMPgUAtO1NtCVG2y7Kz9TPkQSfYZsupqe+8id pFEtSyZNp42WMeVMP+jYeWj5iJ1pW/zczJPY1ueOUHezVXxrvtGU6c9ZYhaerlKPNR 9kIdVKKTbYD9K7feDVa+xZ3yNgcg081ipZJYN893Gx8hyqKLFGu/o+CPA5EdX1y+6x u/KFN+nDkUPPH1e7PadyWekFQO89cfqi9i9XfLl7TyhSVH8fLVQ0cSYYibHO0ev/vj gUf49wl4WfjopbbDX1g7SzNTxn3pfb9cwUw0fXp+u7u3YZ3Mea22dMbzxTpTjqTBsW kjYhIfcqKa5cw== Received: from localhost (unknown [86.123.23.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by bali.collaboradmins.com (Postfix) with ESMTPSA id EE81F17E01B1; Mon, 9 Mar 2026 23:44:34 +0100 (CET) From: Cristian Ciocaltea Subject: [PATCH v2 0/8] Rockchip DRM use-after-free & null-ptr-deref fixes Date: Tue, 10 Mar 2026 00:44:28 +0200 Message-Id: <20260310-drm-rk-fixes-v2-0-645ecfb43f49@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAAAAAAC/3WMQQ6CMBBFr0Jm7Zh2sFRdeQ/DopZBGoGaqSEa0 rtb2bt8/+e9FRJL4ATnagXhJaQQ5wK0q8APbr4zhq4wkKJGaSLsZEJ5YB/enNDZhshbbUzNUJS n8HYU49oWHkJ6Rfls9UX/1j+hRaPC+nSgXh+NNYovPo6ju0Vxex8naHPOX1g2iWqsAAAA X-Change-ID: 20260122-drm-rk-fixes-a7622c71553e To: Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Dmitry Baryshkov , Dmitry Baryshkov , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec Cc: kernel@collabora.com, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260309_154438_462129_0EC464F2 X-CRM114-Status: UNSURE ( 8.28 ) 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 The first three patches in the series are fixes for use-after-free & null-ptr-deref related issues found in dw_dp and inno-hdmi Rockchip DRM drivers. The following three patches provide a few minor improvements to dw_dp and dw_hdmi_qp, while the remaining two address use-after-free and memory allocation in DW DP core library. Signed-off-by: Cristian Ciocaltea --- Changes in v2: - Fixed conflicts while rebasing onto latest drm-misc-next - Added two more patches: * drm/bridge: synopsys: dw-dp: Unregister AUX channel on bridge detach * drm/bridge: synopsys: dw-dp: Drop useless memory allocation - Link to v1: https://lore.kernel.org/r/20260122-drm-rk-fixes-v1-0-3942f185750e@collabora.com --- Cristian Ciocaltea (8): drm/rockchip: inno-hdmi: Switch to drmm_kzalloc() drm/rockchip: dw_dp: Switch to drmm_kzalloc() drm/rockchip: dw_dp: Fix null-ptr-deref in dw_dp_remove() drm/rockchip: dw_dp: Simplify error handling drm/rockchip: dw_dp: Drop unnecessary #include drm/rockchip: dw_hdmi_qp: Switch to drmm_encoder_init() drm/bridge: synopsys: dw-dp: Unregister AUX channel on bridge detach drm/bridge: synopsys: dw-dp: Drop useless memory allocation drivers/gpu/drm/bridge/synopsys/dw-dp.c | 12 ++++++--- drivers/gpu/drm/rockchip/dw_dp-rockchip.c | 35 ++++++++++---------------- drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c | 13 +++++----- drivers/gpu/drm/rockchip/inno_hdmi-rockchip.c | 3 ++- 4 files changed, 29 insertions(+), 34 deletions(-) --- base-commit: bfb18fd193e2413f02ad934e46887f415f0ce4ec change-id: 20260122-drm-rk-fixes-a7622c71553e