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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-01-31 17:31:21 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-01-31 17:32:32 +0100 |
| commit | 13aa82bbbb71c04bdcecf1341be4a23aee271bec (patch) | |
| tree | be4976c2a282f14fdf0877156d93909545d9b52d /libavformat/flac_picture.c | |
| parent | fff2953163ff466d5391b2f862bd2216fbe728b2 (diff) | |
| download | ffmpeg-13aa82bbbb71c04bdcecf1341be4a23aee271bec.tar.gz | |
avformat/flac_picture: clear padding area
aviod use of uninitialized memory
Fixes: asan_heap-oob_1487fa4_4706_cov_364534849_cover_art.flac
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/flac_picture.c')
| -rw-r--r-- | libavformat/flac_picture.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavformat/flac_picture.c b/libavformat/flac_picture.c index a58b3055c8..5f2026d1d0 100644 --- a/libavformat/flac_picture.c +++ b/libavformat/flac_picture.c @@ -110,6 +110,7 @@ int ff_flac_parse_picture(AVFormatContext *s, uint8_t *buf, int buf_size) if (!(data = av_buffer_alloc(len + FF_INPUT_BUFFER_PADDING_SIZE))) { RETURN_ERROR(AVERROR(ENOMEM)); } + memset(data->data + len, 0, FF_INPUT_BUFFER_PADDING_SIZE); if (avio_read(pb, data->data, len) != len) { av_log(s, AV_LOG_ERROR, "Error reading attached picture data.\n"); if (s->error_recognition & AV_EF_EXPLODE) |