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| author | Laurent Aimar <fenrir@videolan.org> | 2011-10-01 00:44:58 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-10-01 20:59:49 +0200 |
| commit | 1f2a93cf4b8f779da88a36e5c636db3dd481185e (patch) | |
| tree | 50ca30e880315219166758775de0a808ebe9953e | |
| parent | 67b704982fe809e0dec571dc93dcb7520d339cf7 (diff) | |
| download | ffmpeg-1f2a93cf4b8f779da88a36e5c636db3dd481185e.tar.gz | |
Prevent infinite loop in the ANM decoder.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 39993860e1525ca5d1b07521865b7e9e1b294ed7)
| -rw-r--r-- | libavcodec/anm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/anm.c b/libavcodec/anm.c index 02244f70e1..8e40059576 100644 --- a/libavcodec/anm.c +++ b/libavcodec/anm.c @@ -79,6 +79,8 @@ static inline int op(uint8_t **dst, const uint8_t *dst_end, int striplen = FFMIN(count, remaining); if (buf) { striplen = FFMIN(striplen, buf_end - *buf); + if (*buf >= buf_end) + goto exhausted; memcpy(*dst, *buf, striplen); *buf += striplen; } else if (pixel >= 0) |