From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0C7F4CD98F2 for ; Wed, 17 Jun 2026 02:19:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ZFQiXUenjLeGyarrpun8N2nmi4Y5L3xj165Q6L/mG/I=; b=Xou9WYht3C2o7a cdVedaZdKOI2Qw4kHJ6baptrESVDj1gt4lYOhwHhA2sfJ/qlp7CW0HgqeYKrS/hsQQsN6wDJlvUgd eVrlxylTNdE0hhe5/rtU7uSytk18BC3Q33OLDYsaXpdVi8HKNseGjw66ZxFBNd0bibS+TRouyu9KK X4VPnzv33Dr+ayChnGHlaSF6ui7oDwe5FQCQFJN99Dkrnf8UfBYDAd6qGzpge/ZPTolBs14jz6T03 tMIN0WGIm7vRuFegCYfvTZVnGcnNG1WEnFL+IXGA19fW1Oravz6Li39In5fXpLH2PiEcg25fxTUMr jOQPry+/oEKGetaLaBSg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wZfsV-0000000GURb-3YHv; Wed, 17 Jun 2026 02:19:43 +0000 Received: from mail-qk1-x731.google.com ([2607:f8b0:4864:20::731]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wZfsT-0000000GUKJ-1Il5 for linux-rockchip@lists.infradead.org; Wed, 17 Jun 2026 02:19:42 +0000 Received: by mail-qk1-x731.google.com with SMTP id af79cd13be357-9159f631656so66006885a.1 for ; Tue, 16 Jun 2026 19:19:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1781662780; x=1782267580; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=J8O/pXXJ//moyFh/7MLx1Wt0Gv3Nz0eHoldtSppYnyw=; b=eTvf4u1/bU01at0Sb6OzZe14KUREGInUYxf8QmfWrB1c6JjYOnLgjvNcs11Ueeva/C 093WN439ysHEcMfDoqcodxmErpencsyYpIpOk89MJUTLVZnETRkU21rRsGQor3nVBSin /WtGRnzcNkVdwnuCK2FIDrf55AG855pdqozoajdbyl28mV9PP7B8eRPhJrGhqR5jSBu6 D6NciELSpvVzrL+V0a/PbSvXi4HqWxYktq65UgNVZauFgfVYhpprtGjZEbl68UH/QecM MZgHov5eXlrPUzCqfKuyFeEVWY5rvkJxM8l7w4x4Ig5cV7LfAF6eEtaPXtGGLmockvZF A6iw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781662780; x=1782267580; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=J8O/pXXJ//moyFh/7MLx1Wt0Gv3Nz0eHoldtSppYnyw=; b=p7Cs5fy+mjJ8IrbGkbdlh8F5SL7SsBxxqqZrERZWKygCKDA3TqjnBfLw1N7pv7ZdIl G/zcnkjkcArojzOsn1sxmQeeGu8bVaHzX5SMP0anPDc90RvRiilwbVHLB0zZMBNs5SPM 51vYh7NhJAiAvnlTx2dcw+G0c4GGkaa7ltb/jY+wcWWdcmQQWFVjT8MgyfoGHzjeUqSM HAuQFQNCaDLjkhW0+SWx4FPIlcPPPA9ClUkSJJy8X/pztx66G7GGdDiLBlT29o8WUmu+ d+1eKZjuATK9PAVMZF64IIbO8I7OuMjEs6/EASlAR95dmj66JjdsZvI8bHTr+u/ZUwbD 9zLQ== X-Forwarded-Encrypted: i=1; AFNElJ9WGEqRk+GE9S7ftNvSTqrbvjfx5nL0DQ4SJ4wAMmUzg06huvP7PNjVpkqZQ+Iq7GS0iUuGKWum0bIWWnyX1w==@lists.infradead.org X-Gm-Message-State: AOJu0YwACeirbFAhz4NiMbTgqmSYSfUbuygJkYBsp5HSZ0tLC6HSCks7 9SAB4Ox+GXIciLZ3tuMQOkBCsyjRLRcAmlzD7FER8PlwpctU7am/0rXi X-Gm-Gg: Acq92OHlBU88Ez6Zdr/C8Ckh6voBJE4Eu8bDqSP4Y81Qnrs5oiFZM9CXcQF0vTHnaS+ FrV5tTY01VTT0g98pztOwJdJ+RcCGtBs3DdpdoNQFb2p4vx6mxStCiN9Z7kcO0k0q0deZwNUtnZ NWHIGF1scflNO+tKB9M+XHuY+dcNDoalPe2ODKSVVBeMmeyghOssxe/xvQyegzDU5uAEzoCEoSU DeI2/53j0F6hlqMYv7i1VNvB/M4ry63jKpFyR6j17jQvatDJNZm1NB1xONy8Mob7aLinaxfnnL+ EZIUyMgKkVcK1qDQCh1lh+zkLvabWfpu4iPLIlIHU/jjJ0wIrFMMzzvr5a3b4mXynhhX8IJrX65 ZoUC3tJl4adz28Bg5p8A3Em8+SRLOXOt0oDSssB4tEWUEKa+EOHSTLMAhBDcrLT/vcZupoEsdcu rr8AvV2XbZZ0qbO2H5mt31+pvyqzHjApn39BvlOq3HEidfznB0yRnOYUXlN1PQCVwYfyMYvej3J ZnqG3z3Hb2RccMLELDsKRXB2nfswmBj X-Received: by 2002:a05:620a:2948:b0:8cd:d688:7aef with SMTP id af79cd13be357-91dcd160370mr170783785a.19.1781662779948; Tue, 16 Jun 2026 19:19:39 -0700 (PDT) Received: from server0.tail6e7dd.ts.net (c-68-48-65-54.hsd1.mi.comcast.net. [68.48.65.54]) by smtp.gmail.com with ESMTPSA id af79cd13be357-9161a006e35sm1657646285a.28.2026.06.16.19.19.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Jun 2026 19:19:39 -0700 (PDT) From: Michael Bommarito To: Hans Verkuil , Mauro Carvalho Chehab , Sakari Ailus , Nicolas Dufresne Cc: Laurent Pinchart , Benjamin Gaignard , Detlev Casanova , Ezequiel Garcia , Yunfei Dong , Jonas Karlman , Heiko Stuebner , Kees Cook , linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 8/9] media: mediatek: vcodec: bound AV1 tile-start copy to the array capacity Date: Tue, 16 Jun 2026 22:19:05 -0400 Message-ID: <20260617021906.2746743-9-michael.bommarito@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260617021906.2746743-1-michael.bommarito@gmail.com> References: <20260617021906.2746743-1-michael.bommarito@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260616_191941_375001_6FDEC18C X-CRM114-Status: GOOD ( 11.68 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org vdec_av1_slice_setup_tile() copies tile_cols + 1 / tile_rows + 1 entries into mi_col_starts[] / mi_row_starts[] from the bitstream tile_info. Bound the copy to the array capacity. Fixes: 0934d3759615 ("media: mediatek: vcodec: separate decoder and encoder") Assisted-by: Claude:claude-opus-4-8 Signed-off-by: Michael Bommarito --- .../mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c index 2d622e85f8271..49d9b4a72387e 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c @@ -1299,11 +1299,12 @@ static void vdec_av1_slice_setup_tile(struct vdec_av1_slice_frame *frame, tile->uniform_tile_spacing_flag = BIT_FLAG(ctrl_tile, V4L2_AV1_TILE_INFO_FLAG_UNIFORM_TILE_SPACING); - for (i = 0; i < tile->tile_cols + 1; i++) + /* Bound the copy to the mi_col_starts[]/mi_row_starts[] capacity. */ + for (i = 0; i < tile->tile_cols + 1 && i < V4L2_AV1_MAX_TILE_COLS + 1; i++) tile->mi_col_starts[i] = ALIGN(ctrl_tile->mi_col_starts[i], BIT(mib_size_log2)) >> mib_size_log2; - for (i = 0; i < tile->tile_rows + 1; i++) + for (i = 0; i < tile->tile_rows + 1 && i < V4L2_AV1_MAX_TILE_ROWS + 1; i++) tile->mi_row_starts[i] = ALIGN(ctrl_tile->mi_row_starts[i], BIT(mib_size_log2)) >> mib_size_log2; } -- 2.53.0 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip