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 D7B5E4506E for ; Sun, 5 Mar 2023 23:37:06 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 4C47368BA08; Mon, 6 Mar 2023 01:37:03 +0200 (EET) Received: from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net [217.70.183.197]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 88F9968A829 for ; Mon, 6 Mar 2023 01:36:56 +0200 (EET) Received: (Authenticated sender: michael@niedermayer.cc) by mail.gandi.net (Postfix) with ESMTPSA id 55C441C0003 for ; Sun, 5 Mar 2023 23:36:55 +0000 (UTC) From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Mon, 6 Mar 2023 00:36:52 +0100 Message-Id: <20230305233654.13895-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 Subject: [FFmpeg-devel] [PATCH 1/3] avcodec/escape124: fix signdness of end of input check 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 MIME-Version: 1.0 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: Timeout Fixes: 56561/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ESCAPE124_fuzzer-5560363635834880 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/escape124.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/escape124.c b/libavcodec/escape124.c index 024eec59ce..e9c6b2df1b 100644 --- a/libavcodec/escape124.c +++ b/libavcodec/escape124.c @@ -89,7 +89,7 @@ static CodeBook unpack_codebook(GetBitContext* gb, unsigned depth, unsigned i, j; CodeBook cb = { 0 }; - if (size >= INT_MAX / 34 || get_bits_left(gb) < size * 34) + if (size >= INT_MAX / 34 || get_bits_left(gb) < (int)size * 34) return cb; if (size >= INT_MAX / sizeof(MacroBlock)) -- 2.17.1 _______________________________________________ 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".