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Wed, 22 May 2024 05:08:42 +0000 From: Andreas Rheinhardt To: ffmpeg-devel@ffmpeg.org Date: Wed, 22 May 2024 07:08:30 +0200 Message-ID: X-Mailer: git-send-email 2.40.1 In-Reply-To: References: X-TMN: [e2N8Z4SsDWw3f3wJO1XTnDOmCI0gLBLQsTkS7fhE2FA=] X-ClientProxiedBy: ZR2P278CA0081.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:65::17) To GV1P250MB0737.EURP250.PROD.OUTLOOK.COM (2603:10a6:150:8e::17) X-Microsoft-Original-Message-ID: <20240522050834.3362672-1-andreas.rheinhardt@outlook.com> MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: GV1P250MB0737:EE_|DU0P250MB0550:EE_ X-MS-Office365-Filtering-Correlation-Id: 14d030ff-5fdb-4010-95c4-08dc7a1d3feb X-Microsoft-Antispam: BCL:0; ARA:14566002|461199019|440099019|3412199016|1710799017; X-Microsoft-Antispam-Message-Info: e0hbgdfK5ptc2d/S2++xmAfp9XTqC2glhR5GjGqOgAJKYjVIQMzHjAyxI9PNM2zGxLtOX/ocFlRnk+Zc8oJPJlKc4Gd5UJkYyKBkvGx5qBVbUvd9GR1Msn9Tn4tpFMPX8k/8My2iiuH7lX6rE5OrvVLukUBQb58ef3JPeyknWWbd6jkqoMv47tzOfkpO9VUYT71p6/XKRO2WXWj2/OgUJXENUchNcvquJdtTy4PTAq0UhSRZSI0yedsZBtpEwoY1eehtA5FGoK43ajNTLpZ4dOZgxPMMWqD3he7x9k12rVYQtaJu+aF3pRCr/q3Nu6GJnIqcVXZexJHtJ9JAx51Oo4UPW51D+IElzUCOue74WRkYJ1dQrnPQNYF8T1AhBOvE7orN2yz6IbXVOZS6zTLQvZb4KR7D4vuJgB68XTvU2KpG95oQHGRdhRuJzW/v8dalsHhKKOAagwnXOzes5gGR6KhbVB/5lxuFoJr2DytaC5rrznCCdoNEtP7lqA1WS0aFqWeYE6nFdqAIKcczqTvKaxoSLU4C/K27xjyObSmj1M7O18c7W+CXOevkdbS/WkEXEhhx1NKqhYStEPBUtf70bIMSd5F5MnXt23e8cacekXeJldrbHl77qt0S8/Hr/hOo 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: 14d030ff-5fdb-4010-95c4-08dc7a1d3feb X-MS-Exchange-CrossTenant-AuthSource: GV1P250MB0737.EURP250.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 May 2024 05:08:42.7105 (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: DU0P250MB0550 Subject: [FFmpeg-devel] [PATCH 2/6] avformat/gifdec: Check ffio_ensure_seekback() 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: GOFUVBPKVn8B Fixes Coverity issue #1598400. Signed-off-by: Andreas Rheinhardt --- libavformat/gifdec.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavformat/gifdec.c b/libavformat/gifdec.c index 294007682b..d5f06adc64 100644 --- a/libavformat/gifdec.c +++ b/libavformat/gifdec.c @@ -85,7 +85,10 @@ static int gif_probe(const AVProbeData *p) static int resync(AVIOContext *pb) { - ffio_ensure_seekback(pb, 13); + int ret = ffio_ensure_seekback(pb, 13); + if (ret < 0) + return ret; + for (int i = 0; i < 6; i++) { int b = avio_r8(pb); if (b != gif87a_sig[i] && b != gif89a_sig[i])