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 1F44748398 for ; Mon, 1 Apr 2024 02:00:35 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id E5B0968CDFE; Mon, 1 Apr 2024 05:00:17 +0300 (EEST) Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 71B7A68CDDB for ; Mon, 1 Apr 2024 05:00:11 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id A4B891BF208 for ; Mon, 1 Apr 2024 02:00:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1711936810; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:in-reply-to:in-reply-to:references:references; bh=FyAhETk7ZM0D/aFIHhEHdLYN6N7k0Vo1NCpoUB6HnYs=; b=jMMMV9W18wGacpQMp96iXCFGDwUxcKW6lR/N0q083VdtjC/2q5EC2TO1gC4vhlMYX+igxp uP+lAsi6PRXS23j/4OPYbo/eF49DqzR+d23Rn8Mov6qixDRmDNwnWahDOiUPNNOg+z9B7R ldhOZoHp2WkBrXGK9lg64KzrRPftZT1S8GV7yadX+6Cpulz1GrULqeZnmdy7S1xZH8zggV JBs4V/UpN+dSAHba7FjXjxHkXzQKcse5q7eOs95wy5lfi8YeH41PHfN7hnt6qkVUdjAVKB srTrVh7nNwVx1ywPeUj3neTlaa1e3A2h0aZvexXauwY02qTcoLPZxqb+Ztj8Vg== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Mon, 1 Apr 2024 04:00:06 +0200 Message-Id: <20240401020006.12107-3-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240401020006.12107-1-michael@niedermayer.cc> References: <20240401020006.12107-1-michael@niedermayer.cc> X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 3/3] avcodec/hevcdec: Fix null dereference in hevc_frame_end() 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: member access within null pointer of type 'const AVFilmGrainParams' (aka 'const struct AVFilmGrainParams') Fixes: 67701/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-6595117570916352 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/hevcdec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/hevcdec.c b/libavcodec/hevcdec.c index 752459af2d3..2514d522ba5 100644 --- a/libavcodec/hevcdec.c +++ b/libavcodec/hevcdec.c @@ -2945,6 +2945,8 @@ static int hevc_frame_end(HEVCContext *s) if (out->needs_fg) { av_assert0(out->frame_grain->buf[0]); fgp = av_film_grain_params_select(out->frame); + if (!fgp) + return 0; switch (fgp->type) { case AV_FILM_GRAIN_PARAMS_NONE: av_assert0(0); -- 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".