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 421B741187 for ; Fri, 13 Jan 2023 00:02:23 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 6475968BCB2; Fri, 13 Jan 2023 02:01:50 +0200 (EET) Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [217.70.183.193]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 6406D68BC82 for ; Fri, 13 Jan 2023 02:01:43 +0200 (EET) Received: (Authenticated sender: michael@niedermayer.cc) by mail.gandi.net (Postfix) with ESMTPSA id 597D9240003 for ; Fri, 13 Jan 2023 00:01:41 +0000 (UTC) From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Fri, 13 Jan 2023 01:01:37 +0100 Message-Id: <20230113000138.9994-4-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230113000138.9994-1-michael@niedermayer.cc> References: <20230113000138.9994-1-michael@niedermayer.cc> Subject: [FFmpeg-devel] [PATCH 4/5] avcodec/motionpixels: Mask pixels to valid values 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: out of array access Fixes: 48567/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOTIONPIXELS_fuzzer-6724203352555520 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/motionpixels.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/motionpixels.c b/libavcodec/motionpixels.c index 4141c5a495..a947ca05de 100644 --- a/libavcodec/motionpixels.c +++ b/libavcodec/motionpixels.c @@ -185,7 +185,7 @@ static YuvPixel mp_get_yuv_from_rgb(MotionPixelsContext *mp, int x, int y) int color; color = *(uint16_t *)&mp->frame->data[0][y * mp->frame->linesize[0] + x * 2]; - return mp_rgb_yuv_table[color]; + return mp_rgb_yuv_table[color & 0x7FFF]; } static void mp_set_rgb_from_yuv(MotionPixelsContext *mp, int x, int y, const YuvPixel *p) -- 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".