virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-02-04 06:08:26 +02:00
Code Issues Releases Activity

avcodec/aacdec_fixed: Fix multiple runtime error: shift exponent 127 is too large for 32-bit type 'int'

Browse Source 
Fixes: 1851/clusterfuzz-testcase-minimized-5692607495667712

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6c3a63fc3d1be7ac947e38a165a299c9e5d37764)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-05-28 03:34:09 +02:00
parent 19556586d5
commit 7b1d93ce9c
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libavcodec/aacdec_fixed.c
View File

@ -369,7 +369,9 @@ static void apply_dependent_coupling_fixed(AACContext *ac,
shift = (gain-1024) >> 3;
}
if (shift < 0) {
if (shift < -31) {
// Nothing to do
} else if (shift < 0) {
shift = -shift;
round = 1 << (shift - 1);