openharmony/third_party_ffmpeg
1
0
Fork 0
mirror of https://gitee.com/openharmony/third_party_ffmpeg synced 2024-11-27 13:10:37 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

xan: Prevent NULL dereference with missing palette

Browse Source 
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
This commit is contained in:
Laurent Aimar 2011-09-29 03:12:07 +00:00 committed by Janne Grunau
parent 3db3fdf4c6
commit 7d17a794f0
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libavcodec/xan.c
View File

@ -553,6 +553,11 @@ static int xan_decode_frame(AVCodecContext *avctx,
} }
buf_size = buf_end - buf; buf_size = buf_end - buf;
} }
if (s->palettes_count <= 0) {
av_log(s->avctx, AV_LOG_ERROR, "No palette found\n");
return AVERROR_INVALIDDATA;
}
if ((ret = avctx->get_buffer(avctx, &s->current_frame))) { if ((ret = avctx->get_buffer(avctx, &s->current_frame))) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n"); av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret; return ret;