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[62.151.111.63]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-426ce589a21sm22711021f8f.23.2025.10.14.00.37.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Oct 2025 00:37:55 -0700 (PDT) From: Javier Martinez Canillas To: Jocelyn Falempe , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jocelyn Falempe , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: stable@vger.kernel.org Subject: Re: [PATCH 6/6] drm/panic: Fix 24bit pixel crossing page boundaries In-Reply-To: <20251009122955.562888-7-jfalempe@redhat.com> References: <20251009122955.562888-1-jfalempe@redhat.com> <20251009122955.562888-7-jfalempe@redhat.com> Date: Tue, 14 Oct 2025 09:37:54 +0200 Message-ID: <874is2q6gd.fsf@ocarina.mail-host-address-is-not-set> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Jocelyn Falempe writes: > When using page list framebuffer, and using RGB888 format, some > pixels can cross the page boundaries, and this case was not handled, > leading to writing 1 or 2 bytes on the next virtual address. > > Add a check and a specific function to handle this case. > > Fixes: c9ff2808790f0 ("drm/panic: Add support to scanout buffer as array of pages") > Signed-off-by: Jocelyn Falempe > --- Reviewed-by: Javier Martinez Canillas -- Best regards, Javier Martinez Canillas Core Platforms Red Hat