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 1D33C405C7 for ; Fri, 25 Feb 2022 15:30:05 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 3DB3F68B2B6; Fri, 25 Feb 2022 17:30:03 +0200 (EET) Received: from vie01a-dmta-at03-3.mx.upcmail.net (vie01a-dmta-at03-3.mx.upcmail.net [62.179.121.153]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id C095168AE81 for ; Fri, 25 Feb 2022 17:29:56 +0200 (EET) Received: from [172.31.216.235] (helo=vie01a-pemc-psmtp-pe12.mail.upcmail.net) by vie01a-dmta-at03.mx.upcmail.net with esmtp (Exim 4.92) (envelope-from ) id 1nNcXb-0007CK-Dy for ffmpeg-devel@ffmpeg.org; Fri, 25 Feb 2022 16:29:55 +0100 Received: from ren-mail-psmtp-mg01. ([80.109.253.241]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id NcWMnXqrhSgGFNcXbnpHjL; Fri, 25 Feb 2022 16:29:55 +0100 Received: from localhost ([213.47.68.29]) by ren-mail-psmtp-mg01. with ESMTP id NcXMnx7fIOPqFNcXMnxj8h; Fri, 25 Feb 2022 16:29:40 +0100 X-Env-Mailfrom: michael@niedermayer.cc X-Env-Rcptto: ffmpeg-devel@ffmpeg.org X-SourceIP: 213.47.68.29 X-CNFS-Analysis: v=2.4 cv=OcX7sjfY c=1 sm=1 tr=0 ts=6218f5f2 a=2hcxjKEKjp0CzLx6oWAm4g==:117 a=2hcxjKEKjp0CzLx6oWAm4g==:17 a=MKtGQD3n3ToA:10 a=1oJP67jkp3AA:10 a=GEAsPZ9sns4A:10 a=ZZnuYtJkoWoA:10 a=NEAV23lmAAAA:8 a=VYj98QBoaR-2KKFUsnAA:9 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Fri, 25 Feb 2022 16:29:40 +0100 Message-Id: <20220225152940.26446-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 X-CMAE-Envelope: MS4wfDAg49qG9mxcybXJaogkUwaleg7sBQkEPi/onL+PZZd5iPq9ILfIse8AU7Zak55VaHR/qzkYL6cguS994UCtq2ML57XVMO8aoyOueyO7b8bb5MUKKfkf gD+jCYBQ7sJjbb3lMLI/fqvQlYjF42lr8c2VajTsOcJUZG2Rsj/HU2a42RJoWa02S00ZYwRag/r6WQ== Subject: [FFmpeg-devel] [PATCH] avcodec/h263dec: Check input size before GEOV/GEOX special case handling 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: 44921/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-6546588791603200 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/h263dec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c index e940b7f7c7..56a41f6d05 100644 --- a/libavcodec/h263dec.c +++ b/libavcodec/h263dec.c @@ -702,6 +702,7 @@ frame_end: if (s->last_picture_ptr || s->low_delay) { if ( pict->format == AV_PIX_FMT_YUV420P + && buf_size*16LL > s->mb_num && (s->codec_tag == AV_RL32("GEOV") || s->codec_tag == AV_RL32("GEOX"))) { int x, y, p; av_frame_make_writable(pict); -- 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".