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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-04-15 16:40:49 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-04-15 17:01:38 +0200 |
| commit | 3118e3b137323785d131e1448c6718e9f649de73 (patch) | |
| tree | 058c77c7894bf4cd14a531fc7277266ed13ccf76 /libavcodec/lagarithrac.c | |
| parent | 20335598f2a08e92ae8f098f62f6311d42ebd55b (diff) | |
| download | ffmpeg-3118e3b137323785d131e1448c6718e9f649de73.tar.gz | |
ff_lag_rac_init: fix signedness error leading to out of array read.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/lagarithrac.c')
| -rw-r--r-- | libavcodec/lagarithrac.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/lagarithrac.c b/libavcodec/lagarithrac.c index 9f7bc41ef5..895acb0d35 100644 --- a/libavcodec/lagarithrac.c +++ b/libavcodec/lagarithrac.c @@ -45,7 +45,7 @@ void ff_lag_rac_init(lag_rac *l, GetBitContext *gb, int length) l->range = 0x80; l->low = *l->bytestream >> 1; - l->hash_shift = FFMAX(l->scale - 8, 0); + l->hash_shift = FFMAX((int)l->scale - 8, 0); for (i = j = 0; i < 256; i++) { unsigned r = i << l->hash_shift; |