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From: Wu Jianhua <jianhua.wu-at-intel.com@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: Wu Jianhua <jianhua.wu@intel.com>
Subject: [FFmpeg-devel] [PATCH 5/5] avfilter/vf_blend: fix un-checked potential memory allocation failure
Date: Sun,  2 Jan 2022 22:51:42 +0800
Message-ID: <20220102145142.4083918-5-jianhua.wu@intel.com> (raw)
In-Reply-To: <20220102145142.4083918-1-jianhua.wu@intel.com>

Signed-off-by: Wu Jianhua <jianhua.wu@intel.com>
---
 libavfilter/vf_blend.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libavfilter/vf_blend.c b/libavfilter/vf_blend.c
index b6f3c4fed3..2d433e439f 100644
--- a/libavfilter/vf_blend.c
+++ b/libavfilter/vf_blend.c
@@ -279,7 +279,11 @@ static AVFrame *blend_frame(AVFilterContext *ctx, AVFrame *top_buf,
     dst_buf = ff_get_video_buffer(outlink, outlink->w, outlink->h);
     if (!dst_buf)
         return top_buf;
-    av_frame_copy_props(dst_buf, top_buf);
+
+    if (av_frame_copy_props(dst_buf, top_buf) < 0) {
+        av_frame_free(&dst_buf);
+        return top_buf;
+    }
 
     for (plane = 0; plane < s->nb_planes; plane++) {
         int hsub = plane == 1 || plane == 2 ? s->hsub : 0;
-- 
2.25.1

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  parent reply	other threads:[~2022-01-02 14:52 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-02 14:51 [FFmpeg-devel] [PATCH 1/5] avutil/hwcontext_vulkan: fixed validation error VUID 01387 Wu Jianhua
2022-01-02 14:51 ` [FFmpeg-devel] [PATCH 2/5] transpose_vulkan: add passthrough option Wu Jianhua
2022-01-10 14:19   ` Anton Khirnov
2022-01-10 15:52     ` Wu Jianhua
2022-01-02 14:51 ` [FFmpeg-devel] [PATCH 3/5] avfilter/vf_scale_vulkan: align struct ScaleVulkanContext Wu Jianhua
2022-01-02 14:51 ` [FFmpeg-devel] [PATCH 4/5] avfilter: add a blend_vulkan filter Wu Jianhua
2022-01-02 14:51 ` Wu Jianhua [this message]
2022-01-03  2:23   ` [FFmpeg-devel] [PATCH 5/5] avfilter/vf_blend: fix un-checked potential memory allocation failure Lynne
2022-01-03  8:39     ` Wu, Jianhua
2022-01-03 13:57       ` Timo Rothenpieler
2022-01-03 14:48         ` Wu Jianhua

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