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 305BB46D15 for ; Sun, 4 Aug 2024 14:23:45 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id E7AE768D967; Sun, 4 Aug 2024 17:23:25 +0300 (EEST) Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [217.70.183.195]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id D59AC68D95A for ; Sun, 4 Aug 2024 17:23:19 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 1975560004 for ; Sun, 4 Aug 2024 14:23:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1722781399; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=8yxHSdxHFJZfbAFkuRVtM1WRndO6TaguuogbfvhU79k=; b=lajrn1A45G9YHSZKbmxQzG2xSqO1+q4AAkUD5tp55/dAMUFE8rmPshgxYLsCQlqlyhwTO3 D0En6DRHKhpnH6L7Eh/7nXcE9iMwFp617S+teFPiQ7PUB8IIXz+sVhLJ0ITQcHGSPXdyR3 ee5PBxoAkJWI8H69++Vhwr0eLjgJxr+IF8Obiih1Z4PGb1JxIm+gWz/u3pQW4oK9heLf02 mIK2oz8GKzZB1ttGguhmMIS0TA6AocOm4Z2b3f91UmROdA/yvmiIsxQqweYHGrUAqmFDWq iKwjucfLcdlvj46HBYjSf/4PVChMz9TvPrs+n06ICUMHY50suMyuMSgsWI0vqQ== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 4 Aug 2024 16:23:14 +0200 Message-ID: <20240804142315.1430389-3-michael@niedermayer.cc> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240804142315.1430389-1-michael@niedermayer.cc> References: <20240804142315.1430389-1-michael@niedermayer.cc> MIME-Version: 1.0 X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 3/4] avcodec/mvha: Clear remaining space after inflate() 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: Fixes: use-of-uninitialized-value Fixes: 70838/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MVHA_fuzzer-4878509466517504 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/mvha.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/mvha.c b/libavcodec/mvha.c index 24dd88e8542..4aad56640ee 100644 --- a/libavcodec/mvha.c +++ b/libavcodec/mvha.c @@ -183,6 +183,8 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, av_log(avctx, AV_LOG_ERROR, "Inflate error: %d\n", ret); return AVERROR_EXTERNAL; } + if (zstream->avail_out > 0) + memset(zstream->next_out, 0, zstream->avail_out); } } } else if (type == MKTAG('H','U','F','Y')) { -- 2.45.2 _______________________________________________ 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".