From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 1E63D54CF41 for ; Wed, 9 Sep 2026 12:07:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788955666; cv=none; b=mtG/czR87ilexW3qj1lV7NvRT35v32oT8ltEmg2TT4PrxzvGD+0QLOMArOBHewfkMoYGtVqtZhio9vbB3ZC0AxPYM4PT0thZL2VP8L/SzDtLi9ctwyQKTzuxjGisGRLI+5SwWgKi1vALev9Wxq7NtJq28vZLJ1WN1CTJ0GvHdZA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788955666; c=relaxed/simple; bh=eJuZFmFDdZW8wgSzxRElrehFwYIjCbAVf3YKKV2S8vI=; h=Subject:To:Cc:From:Date:Message-ID:MIME-Version:Content-Type; b=dRffJJvFzdQhfBiaQQLZ2F0/Bwi/LYFzc6d2Uibq9BWRpWrZ7ruPheOm2gm3UUhHMKbgVDRWsUtjpTIIFio0v9bM+lgGf6Gl0wbsSDCmkPK/H0mxxivh75yzEFqqjJRp+R6jh0p7hPKhQ/FcXYTKs6cW5EnkEQyDavKxmY55Axs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=f9OGwfjw; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="f9OGwfjw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 354561F00A3A; Wed, 9 Sep 2026 12:07:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1788955664; bh=pSAeNvfuB5dOGODK2VDUF56CfYRkPPegekhvDKWg4gk=; h=Subject:To:Cc:From:Date; b=f9OGwfjwjE8WBzdT0uzRKc/AC0dniD+xcMjIsl3+pF81ap599q7Llz8KP6iZ7pONT SDKeNtA//b9yf89gWEZivMBnYu3aq0gXGrF76Sz1pCK/yFex6thB4LjPwPxkv9snKR TfPRWu3a2M+9szBi3hLNposi2paQY3mpKCwE/GXQ= Subject: FAILED: patch "[PATCH] drm/sysfb: simpledrm: Improve framebuffer-size validation" failed to apply to 6.12-stable tree To: tzimmermann@suse.de,javierm@redhat.com,mripard@kernel.org,stable@vger.kernel.org,treding@nvidia.com Cc: From: Date: Wed, 09 Sep 2026 14:01:19 +0200 Message-ID: <2026090919-operation-hull-a6ea@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit The patch below does not apply to the 6.12-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.12.y git checkout FETCH_HEAD git cherry-pick -x 03f1a3545b721fa7fdadd00080e237519a286a97 # git commit -s git send-email --to '' --in-reply-to '2026090919-operation-hull-a6ea@gregkh' --subject-prefix 'PATCH 6.12.y' 'HEAD^..' Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 03f1a3545b721fa7fdadd00080e237519a286a97 Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Thu, 25 Jun 2026 11:39:33 +0200 Subject: [PATCH] drm/sysfb: simpledrm: Improve framebuffer-size validation Validate the framebuffer size from the firmware against the limitations of struct drm_display_mode. The type only stores sizes in 16-bit fields. Fail probing on errors. v2: - remove unused function simplefb_get_validated_int0() (Sashiko) Signed-off-by: Thomas Zimmermann Reviewed-by: Thierry Reding Reviewed-by: Maxime Ripard Reviewed-by: Javier Martinez Canillas Fixes: 11e8f5fd223b ("drm: Add simpledrm driver") Cc: # v5.14+ Fixes: 11e8f5fd223b ("drm: Add simpledrm driver") Link: https://patch.msgid.link/20260625094509.157581-2-tzimmermann@suse.de diff --git a/drivers/gpu/drm/sysfb/simpledrm.c b/drivers/gpu/drm/sysfb/simpledrm.c index fc168920f2c6..15dcafa9d524 100644 --- a/drivers/gpu/drm/sysfb/simpledrm.c +++ b/drivers/gpu/drm/sysfb/simpledrm.c @@ -48,13 +48,6 @@ simplefb_get_validated_int(struct drm_device *dev, const char *name, return drm_sysfb_get_validated_int(dev, name, value, INT_MAX); } -static int -simplefb_get_validated_int0(struct drm_device *dev, const char *name, - uint32_t value) -{ - return drm_sysfb_get_validated_int0(dev, name, value, INT_MAX); -} - static const struct drm_format_info * simplefb_get_validated_format(struct drm_device *dev, const char *format_name) { @@ -88,14 +81,14 @@ static int simplefb_get_width_pd(struct drm_device *dev, const struct simplefb_platform_data *pd) { - return simplefb_get_validated_int0(dev, "width", pd->width); + return drm_sysfb_get_validated_int0(dev, "width", pd->width, U16_MAX); } static int simplefb_get_height_pd(struct drm_device *dev, const struct simplefb_platform_data *pd) { - return simplefb_get_validated_int0(dev, "height", pd->height); + return drm_sysfb_get_validated_int0(dev, "height", pd->height, U16_MAX); } static int @@ -144,7 +137,7 @@ simplefb_get_width_of(struct drm_device *dev, struct device_node *of_node) if (ret) return ret; - return simplefb_get_validated_int0(dev, "width", width); + return drm_sysfb_get_validated_int0(dev, "width", width, U16_MAX); } static int @@ -155,7 +148,7 @@ simplefb_get_height_of(struct drm_device *dev, struct device_node *of_node) if (ret) return ret; - return simplefb_get_validated_int0(dev, "height", height); + return drm_sysfb_get_validated_int0(dev, "height", height, U16_MAX); } static int