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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 64B94FCA19C for ; Mon, 9 Mar 2026 22:44:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B16B210E5D9; Mon, 9 Mar 2026 22:44:37 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=collabora.com header.i=@collabora.com header.b="TIKRFETG"; dkim-atps=neutral Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) by gabe.freedesktop.org (Postfix) with ESMTPS id 67CEB10E5D9 for ; Mon, 9 Mar 2026 22:44:36 +0000 (UTC) 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-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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