ffmpeg | branch: release/3.1 | Michael Niedermayer <mich...@niedermayer.cc> | Sun May 28 03:34:09 2017 +0200| [cadb2d590dc926601e2025036038ee427f26a6c2] | committer: Michael Niedermayer
avcodec/aacdec_fixed: Fix multiple runtime error: shift exponent 127 is too large for 32-bit type 'int' 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 <mich...@niedermayer.cc> (cherry picked from commit 6c3a63fc3d1be7ac947e38a165a299c9e5d37764) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=cadb2d590dc926601e2025036038ee427f26a6c2 --- libavcodec/aacdec_fixed.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavcodec/aacdec_fixed.c b/libavcodec/aacdec_fixed.c index 29a363dec8..b78a27a236 100644 --- a/libavcodec/aacdec_fixed.c +++ b/libavcodec/aacdec_fixed.c @@ -370,7 +370,9 @@ 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); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
