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Received: from [179.105.94.163] (helo=[192.168.0.6]) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_128_GCM:128) (Exim) id 1wvGHT-002cLJ-3k; Sat, 15 Aug 2026 17:26:43 +0200 Message-ID: Date: Sat, 15 Aug 2026 12:26:37 -0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] drm/v3d: Fix NULL pointer dereference in CPU job cleanup To: Karl Mehltretter Cc: Melissa Wen , Iago Toral Quiroga , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20260815145914.84154-1-kmehltretter@gmail.com> From: =?UTF-8?Q?Ma=C3=ADra_Canal?= Content-Language: en-US Autocrypt: addr=mcanal@igalia.com; keydata= xsBNBGcCwywBCADgTji02Sv9zjHo26LXKdCaumcSWglfnJ93rwOCNkHfPIBll85LL9G0J7H8 /PmEL9y0LPo9/B3fhIpbD8VhSy9Sqz8qVl1oeqSe/rh3M+GceZbFUPpMSk5pNY9wr5raZ63d gJc1cs8XBhuj1EzeE8qbP6JAmsL+NMEmtkkNPfjhX14yqzHDVSqmAFEsh4Vmw6oaTMXvwQ40 SkFjtl3sr20y07cJMDe++tFet2fsfKqQNxwiGBZJsjEMO2T+mW7DuV2pKHr9aifWjABY5EPw G7qbrh+hXgfT+njAVg5+BcLz7w9Ju/7iwDMiIY1hx64Ogrpwykj9bXav35GKobicCAwHABEB AAHNIE1hw61yYSBDYW5hbCA8bWNhbmFsQGlnYWxpYS5jb20+wsCRBBMBCAA7FiEE+ORdfQEW dwcppnfRP/MOinaI+qoFAmcCwywCGwMFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AACgkQ P/MOinaI+qoUBQgAqz2gzUP7K3EBI24+a5FwFlruQGtim85GAJZXToBtzsfGLLVUSCL3aF/5 O335Bh6ViSBgxmowIwVJlS/e+L95CkTGzIIMHgyUZfNefR2L3aZA6cgc9z8cfow62Wu8eXnq GM/+WWvrFQb/dBKKuohfBlpThqDWXxhozazCcJYYHradIuOM8zyMtCLDYwPW7Vqmewa+w994 7Lo4CgOhUXVI2jJSBq3sgHEPxiUBOGxvOt1YBg7H9C37BeZYZxFmU8vh7fbOsvhx7Aqu5xV7 FG+1ZMfDkv+PixCuGtR5yPPaqU2XdjDC/9mlRWWQTPzg74RLEw5sz/tIHQPPm6ROCACFls7A TQRnAsMsAQgAxTU8dnqzK6vgODTCW2A6SAzcvKztxae4YjRwN1SuGhJR2isJgQHoOH6oCItW Xc1CGAWnci6doh1DJvbbB7uvkQlbeNxeIz0OzHSiB+pb1ssuT31Hz6QZFbX4q+crregPIhr+ 0xeDi6Mtu+paYprI7USGFFjDUvJUf36kK0yuF2XUOBlF0beCQ7Jhc+UoI9Akmvl4sHUrZJzX LMeajARnSBXTcig6h6/NFVkr1mi1uuZfIRNCkxCE8QRYebZLSWxBVr3h7dtOUkq2CzL2kRCK T2rKkmYrvBJTqSvfK3Ba7QrDg3szEe+fENpL3gHtH6h/XQF92EOulm5S5o0I+ceREwARAQAB wsB2BBgBCAAgFiEE+ORdfQEWdwcppnfRP/MOinaI+qoFAmcCwywCGwwACgkQP/MOinaI+qpI zQf+NAcNDBXWHGA3lgvYvOU31+ik9bb30xZ7IqK9MIi6TpZqL7cxNwZ+FAK2GbUWhy+/gPkX it2gCAJsjo/QEKJi7Zh8IgHN+jfim942QZOkU+p/YEcvqBvXa0zqW0sYfyAxkrf/OZfTnNNE Tr+uBKNaQGO2vkn5AX5l8zMl9LCH3/Ieaboni35qEhoD/aM0Kpf93PhCvJGbD4n1DnRhrxm1 uEdQ6HUjWghEjC+Jh9xUvJco2tUTepw4OwuPxOvtuPTUa1kgixYyG1Jck/67reJzMigeuYFt raV3P8t/6cmtawVjurhnCDuURyhUrjpRhgFp+lW8OGr6pepHol/WFIOQEg== In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 15/08/26 12:22, Karl Mehltretter wrote: > On Sat, Aug 15, 2026 at 12:15:46PM +0100, Maíra Canal wrote: >> Hi Karl, >> >> Thank you for your contribution! Unfortunately, this issue is already >> addressed in drm-misc-next. > > Great to hear this is addressed in drm-misc-next. Is a > stable backport plannend for this ? ATM, no, as the fix was part of a larger refactor in V3D's submission code. Have you faced this issue in any real life scenarios? If so, I can think of a way to backport it. Best regards, - Maíra > > Thanks, > Karl