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From: Lidong Yan <yldhome2d2-at-gmail.com@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: Lidong Yan <502024330056@smail.nju.edu.cn>
Subject: [FFmpeg-devel] [PATCH 3/5] swscale/graph: fix leak in adapt_colors()
Date: Sun, 29 Jun 2025 14:45:24 +0800
Message-ID: <20250629064526.2992143-4-502024330056@smail.nju.edu.cn> (raw)
In-Reply-To: <20250629064526.2992143-1-502024330056@smail.nju.edu.cn>

In adapt_colors(), ff_sws_lut3d_generate() allocates memory in lut.
However if add_legacy_sws_pass() failed, lut leaks. free lut before
return ret.

Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn>
---
 libswscale/graph.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libswscale/graph.c b/libswscale/graph.c
index dc7784aa49..975a2b6065 100644
--- a/libswscale/graph.c
+++ b/libswscale/graph.c
@@ -523,8 +523,10 @@ static int adapt_colors(SwsGraph *graph, SwsFormat src, SwsFormat dst,
         SwsFormat tmp = src;
         tmp.format = fmt_in;
         ret = add_legacy_sws_pass(graph, src, tmp, input, &input);
-        if (ret < 0)
+        if (ret < 0) {
+            ff_sws_lut3d_free(&lut);
             return ret;
+        }
     }
 
     ret = ff_sws_lut3d_generate(lut, fmt_in, fmt_out, &map);
-- 
2.50.0.106.gf0135a9047.dirty

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  parent reply	other threads:[~2025-06-29  6:46 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-29  6:45 [FFmpeg-devel] [PATCH 0/5] fix multiple memory leaks Lidong Yan
2025-06-29  6:45 ` [FFmpeg-devel] [PATCH 1/5] avcodec/utvideodec: fix leaks in decode_plane() and decode_plane10() Lidong Yan
2025-06-29  6:45 ` [FFmpeg-devel] [PATCH 2/5] avformat/rtpdec_latm: fix leak in parse_fmtp_config() Lidong Yan
2025-06-29  6:45 ` Lidong Yan [this message]
2025-06-29  6:45 ` [FFmpeg-devel] [PATCH 4/5] avcodec/sunrast: fix leak in sunrast_decode_frame() Lidong Yan
2025-06-29  6:45 ` [FFmpeg-devel] [PATCH 5/5] avformat/rtpdec_asf: fix leak in ff_wms_parse_sdp_a_line() Lidong Yan

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