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Wed, 22 May 2024 05:49:06 +0000 From: Andreas Rheinhardt To: ffmpeg-devel@ffmpeg.org Date: Wed, 22 May 2024 07:48:59 +0200 Message-ID: X-Mailer: git-send-email 2.40.1 X-TMN: [XzeAn4EgLi+BygHUzWtXSP4kA2omv8wsWcfSirdHtx8=] X-ClientProxiedBy: ZR0P278CA0105.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:23::20) To GV1P250MB0737.EURP250.PROD.OUTLOOK.COM (2603:10a6:150:8e::17) X-Microsoft-Original-Message-ID: <20240522054859.3365658-1-andreas.rheinhardt@outlook.com> MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: GV1P250MB0737:EE_|AM8P250MB0121:EE_ X-MS-Office365-Filtering-Correlation-Id: c015453e-1f1b-4a38-00d0-08dc7a22e483 X-Microsoft-Antispam: BCL:0; ARA:14566002|461199019|440099019|3412199016|1710799017; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: c015453e-1f1b-4a38-00d0-08dc7a22e483 X-MS-Exchange-CrossTenant-AuthSource: GV1P250MB0737.EURP250.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 May 2024 05:49:06.3940 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM8P250MB0121 Subject: [FFmpeg-devel] [PATCH] avformat/mpegts: Don't use uninitialized value in av_log() 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 Cc: Andreas Rheinhardt Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: +R1jSnbQGebT It is undefined behaviour in (at least) C11 (see C11 6.3.2.1 (2)). Fixes Coverity issue #1500314. Signed-off-by: Andreas Rheinhardt --- libavformat/mpegts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 3a5cb769ba..c66a1ea6ed 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -2189,7 +2189,7 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type uint32_t buf; AVDOVIDecoderConfigurationRecord *dovi; size_t dovi_size; - int dependency_pid; + int dependency_pid = -1; // Unset if (desc_end - *pp < 4) // (8 + 8 + 7 + 6 + 1 + 1 + 1) / 8 return AVERROR_INVALIDDATA;