ffmpeg | branch: release/4.1 | Michael Niedermayer <mich...@niedermayer.cc> | Fri Mar 29 08:58:49 2019 +0100| [d5ba641ff4dccaf2bd9b324397f23845d7521da5] | committer: Michael Niedermayer
avcodec/aacdec_fixed: Fix undefined shift in noise_scale() Fixes: 13655/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5120559430500352 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 8ea211ab79d646f6d0af0945971ee55f36bfcbc9) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d5ba641ff4dccaf2bd9b324397f23845d7521da5 --- libavcodec/aacdec_fixed.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/aacdec_fixed.c b/libavcodec/aacdec_fixed.c index 1bdb93f5bc..ffcffbdaaa 100644 --- a/libavcodec/aacdec_fixed.c +++ b/libavcodec/aacdec_fixed.c @@ -221,7 +221,7 @@ static void noise_scale(int *coefs, int scale, int band_energy, int len) } else { s = s + 32; - round = 1 << (s-1); + round = s ? 1 << (s-1) : 0; for (i=0; i<len; i++) { out = (int)((int64_t)((int64_t)coefs[i] * c + round) >> s); coefs[i] = out * ssign; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
