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| author | Jun Zhao <barryjzhao@tencent.com> | 2019-05-10 22:28:38 +0800 |
|---|---|---|
| committer | Jun Zhao <barryjzhao@tencent.com> | 2019-05-12 14:18:25 +0800 |
| commit | 1cc7e2630fecac0b91e28f402a02f7e268c9d156 (patch) | |
| tree | b5cef55119a9bdf72552116af3bebe5744f3a386 /libavcodec/pngenc.c | |
| parent | 64e610b5f4b7c338713208a4dfa24a8f2eb728c8 (diff) | |
| download | ffmpeg-1cc7e2630fecac0b91e28f402a02f7e268c9d156.tar.gz | |
lavc/pngenc: check malloc fail before using the pointer
Need to check malloc fail before using the pointer
Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
Diffstat (limited to 'libavcodec/pngenc.c')
| -rw-r--r-- | libavcodec/pngenc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/pngenc.c b/libavcodec/pngenc.c index 69b4495404..d4d8dc8b5e 100644 --- a/libavcodec/pngenc.c +++ b/libavcodec/pngenc.c @@ -748,11 +748,11 @@ static int apng_encode_frame(AVCodecContext *avctx, const AVFrame *pict, original_bytestream_end = s->bytestream_end; temp_bytestream = av_malloc(original_bytestream_end - original_bytestream); - temp_bytestream_end = temp_bytestream + (original_bytestream_end - original_bytestream); if (!temp_bytestream) { ret = AVERROR(ENOMEM); goto fail; } + temp_bytestream_end = temp_bytestream + (original_bytestream_end - original_bytestream); for (last_fctl_chunk.dispose_op = 0; last_fctl_chunk.dispose_op < 3; ++last_fctl_chunk.dispose_op) { // 0: APNG_DISPOSE_OP_NONE |