From patchwork Tue Sep 26 10:19:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Irui Wang X-Patchwork-Id: 726535 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 C99CE182A0 for ; Tue, 26 Sep 2023 10:19:24 +0000 (UTC) Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3C50DBE; Tue, 26 Sep 2023 03:19:21 -0700 (PDT) X-UUID: 23f7105a5c5611ee8051498923ad61e6-20230926 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=9pAB4vHxgXuOrF3cQ2v7MgCCwLtC7aUzC54ZVS4HYqQ=; b=K8bbdp7gq1NlWfol4J5gyjwhwQRd431TAgeFUo+8LQzkjfnkyJwQV7udbjxAInoKdjl/BfdY78D5v5YRqFl0/4hNuLUsjEVhISr/Hr1Rl8Dx3s3oUjl7HXimQ+gO4lmw+sd1oYscZVbI1eiUEntCaXBM9jWYR3cQIWf1Eg5JLaY=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32, REQID:c203cc9a-560b-47d2-864c-7ac8f240f8c7, IP:0, U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:5f78ec9, CLOUDID:5f214abf-14cc-44ca-b657-2d2783296e72, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR: NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: 23f7105a5c5611ee8051498923ad61e6-20230926 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1048358028; Tue, 26 Sep 2023 18:19:13 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 26 Sep 2023 18:19:11 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 26 Sep 2023 18:19:10 +0800 From: Irui Wang To: Hans Verkuil , Mauro Carvalho Chehab , Matthias Brugger , , , Yunfei Dong , Irui Wang CC: , , , , , , Maoguang Meng Subject: [PATCH 1/2] media: mediatek: vcodec: Fix encoder access NULL pointer Date: Tue, 26 Sep 2023 18:19:08 +0800 Message-ID: <20230926101909.15030-1-irui.wang@mediatek.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--5.105600-8.000000 X-TMASE-MatchedRID: GEfnc4mEQr+uhCBFl/b63nQIOMndeKgE5Y0kb0hqatxnerzbhugqspVD ZsT0rYWCzpwM53iUVtXbCHv011Gy9dS7ezKc1AokngIgpj8eDcAZ1CdBJOsoY8RB0bsfrpPIx1F PlNAAmcDr4JEOMLTOvRaDB3e61dbj0hR2WQtXdazG0iw/N0V7hZ6oP1a0mRIj X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--5.105600-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: F52746FEAA883B08C25F18637D5B84EC5699F7FD68D85E3D7C3A99FE851EC73F2000:8 X-MTK: N X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RDNS_NONE,SPF_HELO_PASS, SPF_PASS,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Need to set the private data with encoder device, or will access NULL pointer in encoder handler. Fixes: 1972e32431ed ("media: mediatek: vcodec: Fix possible invalid memory access for encoder") Signed-off-by: Irui Wang --- drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c b/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c index d299cc2962a5..ae6290d28f8e 100644 --- a/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c +++ b/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c @@ -138,7 +138,8 @@ int vpu_enc_init(struct venc_vpu_inst *vpu) vpu->ctx->vpu_inst = vpu; status = mtk_vcodec_fw_ipi_register(vpu->ctx->dev->fw_handler, vpu->id, - vpu_enc_ipi_handler, "venc", NULL); + vpu_enc_ipi_handler, "venc", + vpu->ctx->dev); if (status) { mtk_venc_err(vpu->ctx, "vpu_ipi_register fail %d", status);