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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-12-23 18:09:58 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-12-25 23:54:27 +0100 |
| commit | e33b6ccfa782c6e04bcc5ef1b5138ad2a923f620 (patch) | |
| tree | cce557c52282655aff0c7d61989c7e21750601c6 /libavformat/mpc8.c | |
| parent | e079661d23ff3891cf663a85344d1f8eb60a4fe1 (diff) | |
| download | ffmpeg-e33b6ccfa782c6e04bcc5ef1b5138ad2a923f620.tar.gz | |
avformat/mpc8: clear buffer padding area
Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7fa6a48cd1d5_8853_sv8_notags.mpc
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/mpc8.c')
| -rw-r--r-- | libavformat/mpc8.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/mpc8.c b/libavformat/mpc8.c index 0e9baaa426..502eaffe09 100644 --- a/libavformat/mpc8.c +++ b/libavformat/mpc8.c @@ -157,6 +157,8 @@ static void mpc8_parse_seektable(AVFormatContext *s, int64_t off) if(!(buf = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE))) return; avio_read(s->pb, buf, size); + memset(buf+size, 0, FF_INPUT_BUFFER_PADDING_SIZE); + init_get_bits(&gb, buf, size * 8); size = gb_get_v(&gb); if(size > UINT_MAX/4 || size > c->samples/1152){ |