ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Mar 11 03:55:39 2017 +0100| [44e2105189ac66637f34c764febc349238250b1d] | committer: Michael Niedermayer
avcodec/amrwbdec: Fix runtime error: left shift of negative value -1 Fixes: 763/clusterfuzz-testcase-6007567320875008 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=44e2105189ac66637f34c764febc349238250b1d --- libavcodec/amrwbdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/amrwbdec.c b/libavcodec/amrwbdec.c index 999bfb9..57aed87 100644 --- a/libavcodec/amrwbdec.c +++ b/libavcodec/amrwbdec.c @@ -262,7 +262,7 @@ static void decode_pitch_lag_high(int *lag_int, int *lag_frac, int pitch_index, *lag_frac = pitch_index - (*lag_int << 2) + 136; } else if (pitch_index < 440) { *lag_int = (pitch_index + 257 - 376) >> 1; - *lag_frac = (pitch_index - (*lag_int << 1) + 256 - 376) << 1; + *lag_frac = (pitch_index - (*lag_int << 1) + 256 - 376) * 2; /* the actual resolution is 1/2 but expressed as 1/4 */ } else { *lag_int = pitch_index - 280; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
