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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-11-27 12:11:29 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-11-27 14:03:01 +0100 |
| commit | 24c504bd0a7cd20b5e48607c7fbf5c85dc1321ab (patch) | |
| tree | 5b82cc1cade8cae07e7582420823492b8d7a12cb | |
| parent | 6b91701de322031d7ceacecbda3d71948fb4da04 (diff) | |
| download | ffmpeg-24c504bd0a7cd20b5e48607c7fbf5c85dc1321ab.tar.gz | |
avcodec/cabac_functions: Fix "left shift of negative value -31767"
Fixes: 1430e9c43fae47a24c179c7c54f94918/signal_sigsegv_421427_2340_591e9810c7b09efe501ad84638c9e9f8.264
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Found-by: xiedingbao (Ticket4727)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a1f6b05f5228979dab0e149deca7a30d22e98af5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/cabac_functions.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/cabac_functions.h b/libavcodec/cabac_functions.h index 15dba29f8e..4e132535e1 100644 --- a/libavcodec/cabac_functions.h +++ b/libavcodec/cabac_functions.h @@ -74,7 +74,8 @@ static inline void renorm_cabac_decoder_once(CABACContext *c){ #ifndef get_cabac_inline static void refill2(CABACContext *c){ - int i, x; + int i; + unsigned x; x= c->low ^ (c->low-1); i= 7 - ff_h264_norm_shift[x>>(CABAC_BITS-1)]; |