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 ESMTPS id 244A04DE9B for ; Tue, 4 Mar 2025 22:36:45 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 9340268EB24; Wed, 5 Mar 2025 00:36:41 +0200 (EET) Received: from EUR05-DB8-obe.outbound.protection.outlook.com (mail-db8eur05olkn2106.outbound.protection.outlook.com [40.92.89.106]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 27E3468EB13 for ; Wed, 5 Mar 2025 00:36:35 +0200 (EET) ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=GdvtZ3hRcvFCnOQTkDFOtF5gD0Ya18owtoW7cMhoixyya13TVpLiKMb+AZeyqU0JD9DLkmj7TYF0qaCDhsanPv+ajsvgM/wObNHsYaFKO1RYkq6iuR1b8sZkfQ4iS/OizVCj3rhRrdUqh+VZ7IA6xmRG5sTeQOfEpXz2EY5HGr8d/7TDy41NDAYqkdCEFFaM4zE3iiiDVIJVCHNDc5NUPuPeg8vt1QOhw2wRyLNckV0je/tPSktZRyR5As9zf5Cc4mPM1MHZZ/od2Pp7xKVFRq0hT5q4Ne3qmc6VZBMm7MSNFgr6YXmWgSfR1QgeZ40BPjhEt0osnsbXkWe12xtjNA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=DcHOXMjb53M5MQG3re3jr1sl1nXxLG7u232btXO6FO8=; b=h7LOJSL4BWewt3EOo6HlLUn/M45c7PDpPSo3D/TokF1jRDhFfSyYRj5hte78ocdG4Y7E2ihbodWA6RyR0KFlA1PHu/XQZtIs1s6WP3k9z5co6F7FkFxs/6Ua//H2SRssbqtBQ3DT8JdHaSt7k61Rx2au0Op46Fqxccb2gxQxSwXckXFtTr7i+j4GFaxJu1WuZHZFaUX30EuTFjHJzo97Zimi7GeqBf/ib3Je1PRkMotHWA4v7YNEC63t9iDUMY0JIeOxUotoyF7knbhe8NLu2KN2zg+r6kYwM8e3bdTdvXe95fZSKaRAQjCQogB5sV0aIOV6B/SkzFeuVY7+XlW99A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=none; dmarc=none; dkim=none; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=outlook.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=DcHOXMjb53M5MQG3re3jr1sl1nXxLG7u232btXO6FO8=; b=V+F8tJCqdOS1V/w/Ko7wG5NRAANeeeGgCmNE6NkJ9kiLZ4FNxkWeZAJoVvootMMe8R4bONyo611MVOG4pjokSbO/AEmwT8RCPUw9OjC5u0727RaWmFeUizY6zr9AKNUegR/Hk9E4wN2xGAaDuyqrGNEnOHmQCX8qf9Vcces2UikLZLoVgT8zhxnm4hoV0ftTnRl0oEFZff1ESglXe5lmJHAz3yW5t62bk/4Sc3FBSsBPPhrUnVYGWdDgAV0qSB1H8iU3t4UCte1BWl4fj34QwQY7uR9xdzoWXHlY96+ndsi8aWltrZFBDHrZdfBIXznsJ4lr7J+oi3YTbMEzqwYFlg== Received: from AS8P250MB0744.EURP250.PROD.OUTLOOK.COM (2603:10a6:20b:541::14) by AS4P250MB0438.EURP250.PROD.OUTLOOK.COM (2603:10a6:20b:4b1::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8511.16; Tue, 4 Mar 2025 22:36:33 +0000 Received: from AS8P250MB0744.EURP250.PROD.OUTLOOK.COM ([fe80::384d:40d4:ecb7:1c9]) by AS8P250MB0744.EURP250.PROD.OUTLOOK.COM ([fe80::384d:40d4:ecb7:1c9%5]) with mapi id 15.20.8511.014; Tue, 4 Mar 2025 22:36:33 +0000 Message-ID: Date: Tue, 4 Mar 2025 23:36:32 +0100 User-Agent: Mozilla Thunderbird To: ffmpeg-devel@ffmpeg.org References: Content-Language: en-US From: Andreas Rheinhardt In-Reply-To: X-ClientProxiedBy: ZRAP278CA0012.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:10::22) To AS8P250MB0744.EURP250.PROD.OUTLOOK.COM (2603:10a6:20b:541::14) X-Microsoft-Original-Message-ID: <018fbe6a-ee39-4e75-86b7-bc010d64591f@outlook.com> MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8P250MB0744:EE_|AS4P250MB0438:EE_ X-MS-Office365-Filtering-Correlation-Id: 063ce2e6-e227-4c70-47a7-08dd5b6d03fe X-Microsoft-Antispam: BCL:0; ARA:14566002|6090799003|19110799003|5072599009|15080799006|8060799006|7092599003|461199028|41001999003|10035399004|19061999003|440099028|3412199025; X-Microsoft-Antispam-Message-Info: =?utf-8?B?eUtSbHMvWUgycTdabWdnT2RIMElzN1dQcDBabFlReDMyWFl4VnZFZThvQ01M?= =?utf-8?B?UFdaeG9OSUQ4YTAwQjkyL2g3VlhFZy9qMmxaZEM1cFY5aVF2TXZZbWlaUzAw?= =?utf-8?B?ZE5EKzRvc2d2THhvelo5VTY4cUZmR1pEdllLT2YyNzRMVkF4MTFOVjFRL1ZW?= =?utf-8?B?WVZuYVJ4MWNHblVNMEhiSXNXcDhRYmVVU2FYdmNPUHpOMWQ0VW9nQ2EzVFcr?= =?utf-8?B?amVRZDBnUEZWMi8zTHlGcXJwUS8wUUFKMXBsSXFkSFhYS09zajR4ekhjQWR2?= =?utf-8?B?SFNxakQ1M0lsOVlRT2R3T0dCN045RXMrRVZtaG56c28ybklJWU5nQjhNUlNC?= =?utf-8?B?U0dBMEluakNITDc3QzdYbjY2TVMzNEVKb1lyUFh6dU9QNlVRZUJ1c3IweE5U?= =?utf-8?B?cnFETldBbFZaRmpDdFdDNW5IVnNURzY0T0U2UHhNVUdSWjhRbjk5RG9US2dh?= =?utf-8?B?WllJOFdnZDV6NzVUMXUwWW45QVBhdUw1NXZYaWhJbDVSMXpxUUJtWE50emE4?= =?utf-8?B?MGRROFRxZ3VqOTNCcWpTQWtLSzZIaDkvOXJSMWp0R00xZjh2UTZKaUQwL2h0?= =?utf-8?B?bHZjYWIzYVZWY2thWmRUeVhjOVJXY0lTOVNnc21SQkE4MElCMkRFS3kxZWQ2?= =?utf-8?B?ZWVkbzF3eTBiZ2MyZFNsVHJOalVzU3p2dkdYVFg5ZTVLOWxFTTlMc3FaY3lo?= =?utf-8?B?Z25NZ29VODBXTS9xMFloUGo3SExqYlhramI3ZkFXTWVPbmJ6d25heTR0MlN2?= =?utf-8?B?NWdSejdGYk5zdHhsUVV5UGMxV0lraE85VE51dnBOV2d3NDh3SVRKYWwwSmwx?= =?utf-8?B?dzRtSzdUMkFGa09ISG1RUFhnVG5Fc0kvZmZCeEsxY0I4Ujc5OWNMeUZSK3g3?= =?utf-8?B?QTZyYXFuK2lOWGduK2ovOExZeHZVSTNSNXNWaWlwU3pyakZuN2l1eVZiU1lV?= =?utf-8?B?V0Nzb1RIaUhQKy93ejd1b1Nvd0NyMFV2R21ac1JiTklvY1hRb1ZqZHgyeWtI?= =?utf-8?B?Z0hKaFFKbzJpem1zdmFyckZENERUY3E1Z09VQVhZbGUrRW16dXNFZEc5YmZX?= =?utf-8?B?TWU5QXBpVVVNeWJyQ0F5QVVUWHhoV0tCckRuRXJ2eXk3NThhTG5Od1JrcDJw?= =?utf-8?B?ajFqYzFBNm0wMlFuYVZYcDlXU2VMcFdINzNxYmVISFpjUWFONXJHaUkyUmVY?= =?utf-8?B?RDF0ZEJRSWNZQm51MmxoYjlSdDZtRWdiY29xdzVGYnRIYmdRUGloTEYycTQ0?= =?utf-8?B?TUt5NXJDam8xU2FmNGdUSDJDWmpuampDa1ZFSUgwQTNmUlVXNm1TQ0VicW1U?= =?utf-8?B?Tkthc1Vyc2JFSStUV0t0TmVyVWhHdWJQOGYvL0xuR1dHaEhybExFcTZPQTQy?= =?utf-8?B?ZVdpSHhWVmdoekV2NU5EK3BxUG5rUENsek5WL3BUZkpvZWhjcGN0WnJWUnNG?= =?utf-8?B?a2l0OGtKR2VlaHp6QXd1QXkzWHdtQlJJcnoyOGFzUWpFNG9BWEJGci9KeEli?= =?utf-8?B?ajBrYkJEUHM3VXFjblZLVFBoVnRQVm0vRUdIU0NWckRtNStLeEdCTmpSUVpI?= =?utf-8?B?a0loUnNvWUxsYU9LKzFJUm1SY3dPT3hvRUt1YS9vcit2Z2xWYXQwWkNueDVl?= =?utf-8?B?Y3RmSDlXdVdwRmlMV1VFbWdqd29seFE9PQ==?= X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?NVp6MnBtMHhleXJreVNQNVhSMEF1ZFVqemRmMUpnV2ptT2p4bisxeEFuRUs4?= =?utf-8?B?cWZSa3FTT0g2K0xWWTdFVzA3S1lnc1ZNME9aSTJkVllZbGwxM2ZVeG5tdlNt?= =?utf-8?B?SjRrYkcyN2d5a0REWG5vc2l1b1c5SDREYTFWeTBVZVJsbFlxZXY5eFR5K21y?= =?utf-8?B?RFdMdThDUk56RHdaUWZXdWNkV2tiQTN2V0Y3YjVIR2s4ZmkvMUlYbXJYYld5?= =?utf-8?B?blFQWC9Ubk8yOWtyWGwvbXk3TjBzUDdacTkwRlVPb1Y5R1RJdlgwdGY5UXZY?= =?utf-8?B?Y3F5cUNlMlRYR1krc3JuNTdOd2cxc3M3RWNyL0Y1OEF5YlZkTmVFUDEwMWg4?= =?utf-8?B?U0ZsZis3WnE1UkVwQlJ6WTFoVWczdWwvdytmQ1lIMHAvcmoveGQ1RjFTQ3hl?= =?utf-8?B?MnFRNjJxNEg2UkhCdkthNlNsT0ozYzdweFF3RlRuanFHLzR1VlQ2ZmhhQU5v?= =?utf-8?B?WVRRUTU5K1Y2Z3p4V0gwOVJvSHdUdjc2K3NiQ1MxSlpUV1JiUlFRZHd6aERW?= =?utf-8?B?aTJITXo4eDdDVTBZaEdyM1Q3bnNCc21HRmoxK2VPMUYrOVZyTWpNa2R5OHFQ?= =?utf-8?B?MUlJeUN0OVdkVjNEeEh3OFo0SHZQZXBOSHhkWm5mTjg0SUVLZ0tkRUdUc1lY?= =?utf-8?B?Q2FXL0ptbzlTcytLTWowajVMdkRVWGRQd0VXcHJlTCtmckxQbnRjV2k1UFlm?= =?utf-8?B?UkhRVHhtbTNiU3NnK2dDUXp3RThxOHRHeVNoY3hQKy9IV3pkdlFDWGs1VU52?= =?utf-8?B?TEw3VkJHQjVSbUJKL3RpVFFLUExZTU1GNzl1VGtUT0wyWjcrTjlxOENOQmRt?= =?utf-8?B?eDVXbU1tV2JySmt4ZVA3d3luMUdWUG9BOWcyRUZWL01hcmFPa1czZmIxUDVa?= =?utf-8?B?UWorTjNSMFppOFRMc2JmRFRIeXlUTjRZaWJIMFdHb0xtVTdUeXZ5eDhhaUs2?= =?utf-8?B?ZjZFTDE4N3ltekVqNm5JVFVCdXdiNjViSUFwcDdHNUJ1VlJMWmNxbE9HdXVr?= =?utf-8?B?NklwS1pMM0JhWGVmWVVrOGlPbU11aGZiV283dGdqOTdNUUp3dkt2Umh3Nzho?= =?utf-8?B?M205UHd3d1B0eUdLWko3SDFIZmJVSTZIWi9lNUdxa2pQVlBDaG9YcFhoRUdU?= =?utf-8?B?bVdyN29KREFzYWg2UmNIWUJQTkZ1Ym5vdkFMcG5SdXpvYmd5MkhkYkN5MkN1?= =?utf-8?B?elVZZmdDWmtsRG1yNXpRbWFSTFhmV0J3aEM1dVU3aXQ3aWhiSDdqeU9ub2VD?= =?utf-8?B?NE5oRVkxWVFsMkkvc3BJc2NhZEpDNS9WdHhXVTZpbGduVzBobWc1eHpGaWhS?= =?utf-8?B?T21NemZLUWlpS3J5aHRJTHdkdUJLWWpOQzd6V0k4aEVPakRwdFJWWnBTakdF?= =?utf-8?B?a3c1TlYvVXN1VzNLQXhla3dRa3YydEZkZ3F4YU5RVDBRZXI2d2gydHBqdGVv?= =?utf-8?B?MnRkaktoRlVYZlpWdTUxNytKVG03cG1OUlErS1N5eW9zSHJTK3hWQ1FjSERv?= =?utf-8?B?RjdhYi9KMzhHSUtBSFF5TWhNRWNqMmVjaDl2Ym9ERXJOK0Q2Q2kxc1R2dHBy?= =?utf-8?B?bnRVa1lad0dvbE5oT3hMbUtlRnp6UTZneDFZeUpSSFlrU1FtaGFRRjE3UG9t?= =?utf-8?B?WWYzUnBFaVk4RG1PMWJmdjZuTGE4OWJNdkxpd213dnNZZjZQQlJoRmFpTmxM?= =?utf-8?B?NlpQaTFDaFE3RmRzRU00K1JtWktJRnFuRThRbDNlSElwNmsxNVBTRWVnPT0=?= X-OriginatorOrg: outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 063ce2e6-e227-4c70-47a7-08dd5b6d03fe X-MS-Exchange-CrossTenant-AuthSource: AS8P250MB0744.EURP250.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Mar 2025 22:36:33.5859 (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: AS4P250MB0438 Subject: Re: [FFmpeg-devel] MpegEncContext->class is never initialized 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: John Dorian: > I discovered a crash here if log handler function tries to get the class > name from "s" > > mpeg12dec.c: > if (get_bits_left(&s->gb) < 0) { > av_log(s, AV_LOG_ERROR, "overread %d\n", -get_bits_left(&s->gb)); > return AVERROR_INVALIDDATA; > } > > And it seems to be because MpegEncContext->class is never initialized (or > rather it is initialized to 0) due to av_malloc_z() I assume. > > So the question is, is it valid for any av object to have its av_class set > to 0. Here is the patch: https://ffmpeg.org/pipermail/ffmpeg-devel/2025-March/340615.html My reading of log.h is that it is illegal for the pointer to an AVClass to be NULL. The default log callback handles this gracefully, so I presume you are using a custom log callback. - Andreas _______________________________________________ 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".