From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1582E4A02 for ; Fri, 27 Mar 2026 00:55:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774572935; cv=none; b=dCiLaUi5f9ezVfUcGnGAS5wbGw5lfXnWXPHs6+N2vFl2PwE0trgWhs8gGXXzO8+fjoN97JmyUJkyoBFRsGchNVm9wWVofgEb9F3b4XjyJtrAJZP8mNNcCxD4dhR2sFAOMcW2wE+BcX1UI940iyfE+oU7k92VY0B+8UTHOy05sPo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774572935; c=relaxed/simple; bh=tziTw9WjJXg9ysB8nqoQ8JdDk/cS9+M+QzzINfFb2ic=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=upTiDz5c+jYhhe6GD3DGxcJtMyDPs2Zuboulja+wV2UlazD3QpKc7PyQdq5Zot1JLd7pOlUmtrB83CIhFfqMsJ3dIdf2InnSFCkeF0ewjDo/Nn2AqAUMInCuU1cyQsgyBrZRtwI6bVuLLQnjqmFcCrT2q93uLUxBm0a9odxhQu4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=Ryy9Qe44; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="Ryy9Qe44" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1774572932; bh=tziTw9WjJXg9ysB8nqoQ8JdDk/cS9+M+QzzINfFb2ic=; h=From:Subject:Date:To:Cc:From; b=Ryy9Qe44pyXOT9TY7RhEmOPZV/qkiBk8JmgCAQCUtANUhBp63shZkIsdOadLIw83N AlhO8/HS89QoeRPg5UXO2wwKmYtBI7Vn3pna0g1dRqHptl60NiBYVCHsy7POpR3+VE 3pFW7vkOH6JWq5zPQVq6PNayRdfoSVWBZh0rAL7bmbrg0Pzw3NfiG0cZ+E6jtT4Riu 7K+43U4RArQyewtZ44k4RGfB/LxWLQbRLQLLciiJ2Uv976I5HLF+iQRQKTAtqHjGLm LbBMC7/3TCr0b8EKOl8GdQOpo90X8PBYtYTjgUpjAogAhfdbrVYaEAxkuYKHuq2vf/ p9MffmRwpBQJg== 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 2356417E5D08; Fri, 27 Mar 2026 01:55:32 +0100 (CET) From: Cristian Ciocaltea Subject: [PATCH v3 0/2] Rockchip DRM use-after-free & null-ptr-deref fixes Date: Fri, 27 Mar 2026 02:55:06 +0200 Message-Id: <20260327-drm-rk-fixes-v3-0-fd2e6900c08c@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAAAAAAC/3XMQQ7CIBCF4as0rMXAAK115T2MC0oHS2yLAUM0D XeXdmPSxOU/k/ctJGJwGMm5WkjA5KLzcwlxqIgZ9HxH6vrSBBjUjAPQPkw0PKh1b4xUNzWAabh SAkmZPANuj7K43koPLr58+Gx64uv1D5Q4ZVS0Eiw/qUYxvBg/jrrzQR+Nn8iKJfgBgrMdAAWop UJjOymsbPdAzvkLVHg+LO0AAAA= 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 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 v3: - Dropped patches 1..6,8 already applied by Heiko - Reworked remaining patch "drm/bridge: synopsys: dw-dp: Unregister AUX channel on bridge detach" into: * drm/bridge: synopsys: dw-dp: Support unregistering the AUX channel * drm/rockchip: dw_dp: Release core resources - Link to v2: https://lore.kernel.org/r/20260310-drm-rk-fixes-v2-0-645ecfb43f49@collabora.com 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 (2): drm/bridge: synopsys: dw-dp: Support unregistering the AUX channel drm/rockchip: dw_dp: Release core resources drivers/gpu/drm/bridge/synopsys/dw-dp.c | 6 ++++++ drivers/gpu/drm/rockchip/dw_dp-rockchip.c | 20 +++++++++++++++++--- include/drm/bridge/dw_dp.h | 1 + 3 files changed, 24 insertions(+), 3 deletions(-) --- base-commit: 46c31e1604d121221167cb09380de8c7d53290b9 change-id: 20260122-drm-rk-fixes-a7622c71553e