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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-02-13 01:03:30 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-02-19 01:28:52 +0100 |
| commit | 811a504c6bc2586a8ea5d52fbcfee94277123eb5 (patch) | |
| tree | 2797edbff48979a2138d53eb20534030f87529c8 /libavcodec | |
| parent | 75211f2b8cfb8b4a3f47c514e55585651eeb2767 (diff) | |
| download | ffmpeg-811a504c6bc2586a8ea5d52fbcfee94277123eb5.tar.gz | |
shorten: dont leave invalid channel counts in the context.
Fixes freeing invalid addresses
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 4f1279154ee9baf2078241bf5619774970d18b25)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/shorten.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/shorten.c b/libavcodec/shorten.c index 8e66928db5..1d1f7eca07 100644 --- a/libavcodec/shorten.c +++ b/libavcodec/shorten.c @@ -343,6 +343,7 @@ static int read_header(ShortenContext *s) s->channels = get_uint(s, CHANSIZE); if (s->channels <= 0 || s->channels > MAX_CHANNELS) { av_log(s->avctx, AV_LOG_ERROR, "too many channels: %d\n", s->channels); + s->channels = 0; return AVERROR_INVALIDDATA; } s->avctx->channels = s->channels; |