From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 4DFC540030C; Sat, 28 Feb 2026 17:43:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300614; cv=none; b=bGzCZSz4ncCy7Qah+nG0rZb+9b47lyNT99dVn/0Zt6SjCZtQGTw/lFBdYRqqsgC3vzhK7cykWg1EUNAd6pOq/q3t+2n5VcvWvDfIYH8GbFmqcrPIrlq3xs51IVTxfnJOC1zFDSCzkTJ1IulYQz6aEFVfDNZlcpi7ZJysVo+DC6w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300614; c=relaxed/simple; bh=ERqG7+7TcdUzvV8LO+YQRDPeUQH7NLyuGGHIqXUpaP4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=g9SiJQdmXzyUlsBj0z9yEzo9QJKcfea2JVgr7jsDSuCQgK5JGLb+7VLMSCXD9UwJvOnGZz9pTmkxXUxDZoxQDKV7VSiEHfDWMa7jZ+uS4OS1PwCzcrDx6RCFg9o8kwzDHxqSaEKUAU3nSE8PtxuH1HJYG4CFAtKTpCyD59EMjfY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=T1d+vdI7; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="T1d+vdI7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 83AC8C19424; Sat, 28 Feb 2026 17:43:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300614; bh=ERqG7+7TcdUzvV8LO+YQRDPeUQH7NLyuGGHIqXUpaP4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=T1d+vdI7hXlzAkmUVnaV3dghliWSFBIyrhh6CCRebaFDCmx6pMRfDzsRI2kulfRj3 fm71Lb7RjN/X43VhO9AJYXhscrvmOczB5xWAXkH5TBOKni1kiZCrZqnRqfy0R9c25f JAEdOX+nXptVGILu0Z/WXOyT1wSxLzBINCu2/x4WKET1bTlKq0ZAhz+kL8q9bJJWvV VVYYtDy5sb2xIJLZkYqRqNscEtANBoJqJslAy/xTbsNJJEUJp9FDkEoph2TWtZsrmN fwRNQ+QWpnNkbw2JVCxIoNGTAt8FgR440o0YMcXwePOGNfFNsXsJFnHHqfpQWhuspG SLPQ2xJG50sCw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Benjamin Gaignard , Nicolas Dufresne , Hans Verkuil , Sasha Levin Subject: [PATCH 6.19 654/844] media: verisilicon: AV1: Fix tile info buffer size Date: Sat, 28 Feb 2026 12:29:27 -0500 Message-ID: <20260228173244.1509663-655-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Benjamin Gaignard [ Upstream commit a505ca2db89ad92a8d8d27fa68ebafb12e04a679 ] Each tile info is composed of: row_sb, col_sb, start_pos and end_pos (4 bytes each). So the total required memory is AV1_MAX_TILES * 16 bytes. Use the correct #define to allocate the buffer and avoid writing tile info in non-allocated memory. Signed-off-by: Benjamin Gaignard Fixes: 727a400686a2c ("media: verisilicon: Add Rockchip AV1 decoder") Cc: stable@vger.kernel.org Reviewed-by: Nicolas Dufresne Signed-off-by: Nicolas Dufresne Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- .../media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c b/drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c index 500e94bcb0293..e4e21ad373233 100644 --- a/drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c +++ b/drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c @@ -381,12 +381,12 @@ int rockchip_vpu981_av1_dec_init(struct hantro_ctx *ctx) return -ENOMEM; av1_dec->global_model.size = GLOBAL_MODEL_SIZE; - av1_dec->tile_info.cpu = dma_alloc_coherent(vpu->dev, AV1_MAX_TILES, + av1_dec->tile_info.cpu = dma_alloc_coherent(vpu->dev, AV1_TILE_INFO_SIZE, &av1_dec->tile_info.dma, GFP_KERNEL); if (!av1_dec->tile_info.cpu) return -ENOMEM; - av1_dec->tile_info.size = AV1_MAX_TILES; + av1_dec->tile_info.size = AV1_TILE_INFO_SIZE; av1_dec->film_grain.cpu = dma_alloc_coherent(vpu->dev, ALIGN(sizeof(struct rockchip_av1_film_grain), 2048), -- 2.51.0