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 3E916274B3B for ; Mon, 9 Mar 2026 22:44:37 +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=1773096278; cv=none; b=TAztD3M/fMKX9TBtCx+9siPIlqDXPtCr2HsiOY+KkKLflMriwcV3QpL77WT0PzBwNKZKhiVALCoBI+53sb9AHR/AmD3XuxKKKHa2OzNTTChg4Uu/Y+JCfvxVV208O6WK+ROv3zNcwfIfAcimRUeFgo/Y2ETfmL/K7l0Xf4AqgBo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773096278; c=relaxed/simple; bh=ielanxfO36OKZ6/DK4dhhEI8R7wMWkeZYXUkCFDY5f4=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=byZFZmUn/PaEe4mEaJBlYaEZYGl8cEQsjUxpT5jZBSBkfh6/uLW1fy3BLCkSk8FKlgCxnBBq8Rlr5+gMdy4C2LHp4QdIC3bF+PB6V0k0HmQnGPYHwQXXh0L3PrFC/dKVxEf47J16P/HtCisbbSgathMHVWutdEoqVzbiAv8uOLI= 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=TIKRFETG; 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="TIKRFETG" 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> 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/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 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