From: Steven Liu <lq@chinaffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: Steven Liu <liuqi05@kuaishou.com>
Subject: [FFmpeg-devel] [PATCH 2/2] avutil/tx: add null pointer check after av_mallocz
Date: Fri, 28 Jan 2022 10:08:18 +0800
Message-ID: <20220128020818.39850-2-lq@chinaffmpeg.org> (raw)
In-Reply-To: <20220128020818.39850-1-lq@chinaffmpeg.org>
From: Steven Liu <liuqi05@kuaishou.com>
Fix CID: 1497863
there will get null pointer in attempt to initialize each if alloc memory failed.
Signed-off-by: Steven Liu <liuqi05@kuaishou.com>
---
libavutil/tx.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavutil/tx.c b/libavutil/tx.c
index 50616adba7..79c9477d7f 100644
--- a/libavutil/tx.c
+++ b/libavutil/tx.c
@@ -567,6 +567,10 @@ av_cold int ff_tx_init_subtx(AVTXContext *s, enum AVTXType type,
if (!s->sub)
s->sub = sub = av_mallocz(TX_MAX_SUB*sizeof(*sub));
+ if (!s->sub) {
+ ret = AVERROR(ENOMEM);
+ goto end;
+ }
/* Attempt to initialize each */
for (int i = 0; i < nb_cd_matches; i++) {
--
2.25.0
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next prev parent reply other threads:[~2022-01-28 2:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-28 2:08 [FFmpeg-devel] [PATCH 1/2] avutil/tx: remove deadcode of the control flow Steven Liu
2022-01-28 2:08 ` Steven Liu [this message]
[not found] ` <20220128020818.39850-1-lq@chinaffmpeg.org-MuTRYJS--3-2>
2022-01-28 7:07 ` Lynne
[not found] ` <MuUVgkt--3-2@lynne.ee-MuUVl-q----2>
2022-01-28 7:30 ` Lynne
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