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([121.185.236.165]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ad1a9d5cf8sm177143675ad.52.2026.02.19.19.35.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Feb 2026 19:35:54 -0800 (PST) From: Jeongjun Park To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , Inki Dae , Seung-Woo Kim , Kyungmin Park , David Airlie , Simona Vetter , Krzysztof Kozlowski , Alim Akhtar , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Jeongjun Park Subject: [PATCH 6.19.y 6.18.y 0/2] drm/exynos: vidi: fix various memory corruption bugs Date: Fri, 20 Feb 2026 12:35:48 +0900 Message-Id: <20260220033550.124346-1-aha310510@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260219_193556_155014_A2A933CA X-CRM114-Status: UNSURE ( 9.22 ) 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 This backport patch should have been backported along with commit 52b330799e2d ("drm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to memory alloc/free"), but was written separately because some commits were missing. https://lore.kernel.org/all/20260119082553.195181-1-aha310510@gmail.com/ After this patch is backported, we plan to write additional patches to backport to the remaining longterm kernels. Jeongjun Park (2): drm/exynos: vidi: use priv->vidi_dev for ctx lookup in vidi_connection_ioctl() drm/exynos: vidi: fix to avoid directly dereferencing user pointer drivers/gpu/drm/exynos/exynos_drm_drv.h | 1 + drivers/gpu/drm/exynos/exynos_drm_vidi.c | 36 +++++++++++++++++++++++++++++++----- 2 files changed, 32 insertions(+), 5 deletions(-)