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 1ECC04A97B for ; Sun, 4 Aug 2024 20:53:57 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id F3ABB68D981; Sun, 4 Aug 2024 23:53:22 +0300 (EEST) Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id D60A168D965 for ; Sun, 4 Aug 2024 23:53:14 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 312D140002 for ; Sun, 4 Aug 2024 20:53:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1722804794; 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=wa0DRyXfzaK6j9ZJYaQKMORESpt4SkUJaB0ieJGB958=; b=Y5tRKnSC4is+eIJ22P2Q/N9KhUiD+8jWHrNjyfStiLF/2lOKowu1oXg5c+kLk5XFxUx7b2 fP7RuTi3BCHPgZWJYnhcltsM123lnAGnlw5a62EXOEeKE2kqWW04fBbrw4f1MBVT8yd8I6 igAIf17770Q4wkIl9vBrsmJy5qiMgX8qBjz+QkovD59Z2LaQ6uQPKsZNOzz3alPb9Wp4EG edaxY8Ps4WaqQ2QW7cDvPGX7oyCBbGwa7nXr5wu0uRBsH8d/4XC5Xy1UWhDSUZcvbowOxk Gtieodh7EFlPZLTSVm+Qzkc2h6qBOc7YoBlpnSgB3tMErIdt7fxP3mJ92/txmg== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 4 Aug 2024 22:53:06 +0200 Message-ID: <20240804205309.1978196-5-michael@niedermayer.cc> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240804205309.1978196-1-michael@niedermayer.cc> References: <20240804205309.1978196-1-michael@niedermayer.cc> MIME-Version: 1.0 X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 5/8] avcodec/shorten: clear padding 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: 70854/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5533480570650624 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/shorten.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/shorten.c b/libavcodec/shorten.c index 102992e2b2c..12a179156a7 100644 --- a/libavcodec/shorten.c +++ b/libavcodec/shorten.c @@ -563,6 +563,7 @@ static int shorten_decode_frame(AVCodecContext *avctx, AVFrame *frame, buf = &s->bitstream[s->bitstream_index]; buf_size += s->bitstream_size; s->bitstream_size = buf_size; + memset(buf + buf_size, 0, AV_INPUT_BUFFER_PADDING_SIZE); /* do not decode until buffer has at least max_framesize bytes or * the end of the file has been reached */ -- 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".