From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 9FEF6467E6 for ; Sun, 18 Jun 2023 23:44:47 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 3E98968BF9B; Mon, 19 Jun 2023 02:44:01 +0300 (EEST) Received: from mail-oi1-f178.google.com (mail-oi1-f178.google.com [209.85.167.178]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id BAA2A68BF58 for ; Mon, 19 Jun 2023 02:43:54 +0300 (EEST) Received: by mail-oi1-f178.google.com with SMTP id 5614622812f47-39ca2539200so1969957b6e.1 for ; Sun, 18 Jun 2023 16:43:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687131833; x=1689723833; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=TA8ylwkejxdWVhLpMtyU9C4CODHE4GQsdgQ7filMZHY=; b=O9b41ndQ7VlSyB55sbe861IutlDMHKBAqqmcojekqBs+w7I8Y7f7rsK75dCmJYVJYk YpPVG/g6pq0Sle0WAQ+EQrzmcnoJURBYnXtWgkTRDkJKFs3BX8FvsUHNym+BLC5Lh0WE UII0vVf8E6guzNDGHulAeOQEZ7rml7n+DRHpdG7znmvUBuIrmA1CUsn01QG9qVT8E9hr RB3mQitscas7JtvrcsHw1buhIbjsW37FmedXEhm4R1ySPuGfAakI+S3t3xVV0YfEz0ZU qBSZSNBZE0MCUlm2gHXNLuf+evQYhptu2iWUtEgEWEtU3G1xpWYqejEohor1ilYAVbfc Mv1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687131833; x=1689723833; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=TA8ylwkejxdWVhLpMtyU9C4CODHE4GQsdgQ7filMZHY=; b=Y/wb91owVog893kyjBBug8JDVUebHv4BsXdNVGR543jLupaAD8Z+XaNJk6HVafKhpB KRvu6k51tmfn8kojjnbl/uhXqZpqmtrC14FPUx/3e4FANGSzYumRrPYSTbGMNACT6KhF QRoFwq2P0DmAMphnOTywOTAzvSZLTlv/p9t8ccNQr5/XO+nP+ADuKv5WCeVlgA8pBYYc ZtrkXChDg9CouFCLHB63Z6dhvmffHlD1naT2mx6N2TzShbBpuf8rL6ihdHQhM1spqJEr hDPi3YN5G7R1hUIcjOxFk2dDeVcFXK+suOlB8dpHlrMBCdEnBe1jj8ntqR1W1zs8JJw8 /pAQ== X-Gm-Message-State: AC+VfDwywGKxojgwVzcMfQ6/5ydRKs03EhNffUrP2wlXcW46kOOD8nDX CiaPAlrk5fHJs/Ec3lUtXyzX09IGUlY= X-Google-Smtp-Source: ACHHUZ4nVo2YBlgd7Qb6ELXUkZeDtCdZmrCYZuX1BlZkS03LrbWhHUORxolIvV4o4+BGiPlAOtOIpQ== X-Received: by 2002:aca:b9c6:0:b0:39c:7f78:ba6d with SMTP id j189-20020acab9c6000000b0039c7f78ba6dmr7755315oif.19.1687131833148; Sun, 18 Jun 2023 16:43:53 -0700 (PDT) Received: from localhost.localdomain (host197.190-225-105.telecom.net.ar. [190.225.105.197]) by smtp.gmail.com with ESMTPSA id bk36-20020a0568081a2400b0039eb5f4543csm2069664oib.34.2023.06.18.16.43.51 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 18 Jun 2023 16:43:52 -0700 (PDT) From: James Almer To: ffmpeg-devel@ffmpeg.org Date: Sun, 18 Jun 2023 20:43:32 -0300 Message-ID: <20230618234332.1370-7-jamrial@gmail.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230617151848.1378-1-jamrial@gmail.com> References: <20230617151848.1378-1-jamrial@gmail.com> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 17/17] avcodec/evc_ps: Check log2_sub_gop_length X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: From: Michael Niedermayer Fixes: 1.70141e+38 is outside the range of representable values of type 'int' Fixes: 59883/clusterfuzz-testcase-minimized-ffmpeg_BSF_EVC_FRAME_MERGE_fuzzer-5557887217565696 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer Signed-off-by: James Almer --- libavcodec/evc_ps.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/libavcodec/evc_ps.c b/libavcodec/evc_ps.c index b8d7329b94..0b8cc81d49 100644 --- a/libavcodec/evc_ps.c +++ b/libavcodec/evc_ps.c @@ -229,6 +229,10 @@ int ff_evc_parse_sps(EVCParamSets *ps, const uint8_t *bs, int bs_size) if (!sps->sps_pocs_flag || !sps->sps_rpl_flag) { sps->log2_sub_gop_length = get_ue_golomb(&gb); + if (sps->log2_sub_gop_length > 5U) { + ret = AVERROR_INVALIDDATA; + goto fail; + } if (sps->log2_sub_gop_length == 0) sps->log2_ref_pic_gap_length = get_ue_golomb(&gb); } @@ -288,6 +292,9 @@ int ff_evc_parse_sps(EVCParamSets *ps, const uint8_t *bs, int bs_size) ps->sps[sps_seq_parameter_set_id] = sps; return 0; +fail: + av_free(sps); + return ret; } // @see ISO_IEC_23094-1 (7.3.2.2 SPS RBSP syntax) -- 2.41.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".