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authorSteven Liu <liuqi05@kuaishou.com>2022-01-28 10:08:18 +0800
committerLynne <dev@lynne.ee>2022-01-28 08:27:48 +0100
commit9887ec3e9bf81ad7680539d9361187dc4bcd2fb3 (patch)
treea51026043eb106bf4e91428e2b0da1f6f6de3221 /libavutil
parentf0044d886f0e02789976b786b9cc85c4dffa4da7 (diff)
avutil/tx: add null pointer check after av_mallocz
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>
Diffstat (limited to 'libavutil')
-rw-r--r--libavutil/tx.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/libavutil/tx.c b/libavutil/tx.c
index 50616adba7..06e8958283 100644
--- a/libavutil/tx.c
+++ b/libavutil/tx.c
@@ -565,8 +565,13 @@ av_cold int ff_tx_init_subtx(AVTXContext *s, enum AVTXType type,
print_cd_info(cd_matches[i].cd, cd_matches[i].prio, 1);
}
- if (!s->sub)
+ if (!s->sub) {
s->sub = sub = av_mallocz(TX_MAX_SUB*sizeof(*sub));
+ if (!sub) {
+ ret = AVERROR(ENOMEM);
+ goto end;
+ }
+ }
/* Attempt to initialize each */
for (int i = 0; i < nb_cd_matches; i++) {