ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu May 11 15:13:53 2017 +0200| [3a0ff78168f80f5b2c5c5544325aca4023bc67a4] | committer: Michael Niedermayer
avcodec/aacdec_fixed: Fix multiple shift exponent 33 is too large for 32-bit type 'int' Fixes: 1471/clusterfuzz-testcase-minimized-6376460543590400 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=3a0ff78168f80f5b2c5c5544325aca4023bc67a4 --- libavcodec/aacdec_fixed.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/libavcodec/aacdec_fixed.c b/libavcodec/aacdec_fixed.c index e3c68a9767..9580370e7d 100644 --- a/libavcodec/aacdec_fixed.c +++ b/libavcodec/aacdec_fixed.c @@ -171,7 +171,11 @@ static void subband_scale(int *dst, int *src, int scale, int offset, int len) s = offset - (s >> 2); - if (s > 0) { + if (s > 31) { + for (i=0; i<len; i++) { + dst[i] = 0; + } + } else if (s > 0) { round = 1 << (s-1); for (i=0; i<len; i++) { out = (int)(((int64_t)src[i] * c) >> 32); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
