From nobody Mon Feb 9 20:30:12 2026 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 AABA32E5406 for ; Thu, 9 Oct 2025 12:30:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760013026; cv=none; b=p7+F3JF2j6xlRFY/OQm/HX7VAtmHxjX8at+iXO8rd7/S9sEp/Y9en+n/bvhCkM8OdAGG2puyTeQsoOig7r3qfHGkj2v9mfStpEZ3kltDBIPAu+PrFYP1Be5/VWenJyCVu/eZHE7MbnIyzJ76NvC9HX/KldHbRkMn/kBPQyOqCcM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760013026; c=relaxed/simple; bh=M+3YAASa1CI+N7TinZJVxMAa56QlE5vpVGRMhWYveOk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pHpxkRgyrN1GTLXLqleyhswjAArsiuD14LNLBkxr6gm1vZAe1ekyrtABXS8rELI7t+jqDq7NyH3iUd6mAQprAwzQsHRL9tt018dWe144uFeYfC1nxrTs8Ur4XjtrWcVEK0WOyBWnUB29p/+eEixMGIi1EerXZgefY5AhpYmw1bQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=DoHmkTYQ; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="DoHmkTYQ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1760013022; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fMM/vJwKTSF+IolScmN40UJvXxykm6btY/TgTkySF4o=; b=DoHmkTYQZPnb00zSC8XcPxblyG9TNbTkHeS6lOSeZucb9mntbLH/1OBeGSpoC442nP0iNR pBjRrvkELKrVGXXF9SHvjETnbsDvgKgkeSo0KCR1FZwNTxzQ+lcGQieGD+RjLhJa+kF1Q4 bL1sEyPof8Tb6/uJMz9QC6r0shJWZWg= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-683-6q2-DYFRMbmRMX3SUtQhhw-1; Thu, 09 Oct 2025 08:30:19 -0400 X-MC-Unique: 6q2-DYFRMbmRMX3SUtQhhw-1 X-Mimecast-MFC-AGG-ID: 6q2-DYFRMbmRMX3SUtQhhw_1760013018 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 0A91C1956086; Thu, 9 Oct 2025 12:30:18 +0000 (UTC) Received: from hydra.redhat.com (unknown [10.45.225.212]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 6F26818004D8; Thu, 9 Oct 2025 12:30:13 +0000 (UTC) From: Jocelyn Falempe To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jocelyn Falempe , Javier Martinez Canillas , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: stable@vger.kernel.org Subject: [PATCH 1/6] drm/panic: Fix drawing the logo on a small narrow screen Date: Thu, 9 Oct 2025 14:24:48 +0200 Message-ID: <20251009122955.562888-2-jfalempe@redhat.com> In-Reply-To: <20251009122955.562888-1-jfalempe@redhat.com> References: <20251009122955.562888-1-jfalempe@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Content-Type: text/plain; charset="utf-8" If the logo width is bigger than the framebuffer width, and the height is big enough to hold the logo and the message, it will draw at x coordinate that are higher than the width, and ends up in a corrupted image. Fixes: 4b570ac2eb54 ("drm/rect: Add drm_rect_overlap()") Signed-off-by: Jocelyn Falempe Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/drm_panic.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/drm_panic.c b/drivers/gpu/drm/drm_panic.c index 1d6312fa1429..23ba791c6131 100644 --- a/drivers/gpu/drm/drm_panic.c +++ b/drivers/gpu/drm/drm_panic.c @@ -429,6 +429,9 @@ static void drm_panic_logo_rect(struct drm_rect *rect, = const struct font_desc *f static void drm_panic_logo_draw(struct drm_scanout_buffer *sb, struct drm_= rect *rect, const struct font_desc *font, u32 fg_color) { + if (rect->x2 > sb->width || rect->y2 > sb->height) + return; + if (logo_mono) drm_panic_blit(sb, rect, logo_mono->data, DIV_ROUND_UP(drm_rect_width(rect), 8), 1, fg_color); --=20 2.51.0