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Check size_bmp more fully
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manh-td
2025-12-19 10:00:54 +08:00
parent 7b0867a6cf
commit ca6b0f142c
1 changed files with 2 additions and 1 deletions
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3
contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavformat/asfdec_o.c
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@@ -695,7 +695,8 @@ static int parse_video_info(AVIOContext *pb, AVStream *st)
st->codec->codec_tag = tag; st->codec->codec_tag = tag;
st->codec->codec_id = ff_codec_get_id(ff_codec_bmp_tags, tag); st->codec->codec_id = ff_codec_get_id(ff_codec_bmp_tags, tag);
if (size > BMP_HEADER_SIZE) { if (size > BMP_HEADER_SIZE &&
size < INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
int ret; int ret;
st->codec->extradata_size = size - BMP_HEADER_SIZE; st->codec->extradata_size = size - BMP_HEADER_SIZE;
if (!(st->codec->extradata = av_malloc(st->codec->extradata_size + if (!(st->codec->extradata = av_malloc(st->codec->extradata_size +