ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Dec 26 23:24:43 2017 +0100| [560daf88913b0de59a4d845bcd19254b406388dd] | committer: Michael Niedermayer
avcodec/flacdec: avoid undefined shift Fixes: shift exponent 32 is too large for 32-bit type 'unsigned int' Fixes: 4688/clusterfuzz-testcase-minimized-6572210748653568 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=560daf88913b0de59a4d845bcd19254b406388dd --- libavcodec/flacdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c index 6c8ba15777..64bea76f98 100644 --- a/libavcodec/flacdec.c +++ b/libavcodec/flacdec.c @@ -460,7 +460,7 @@ static inline int decode_subframe(FLACContext *s, int channel) return AVERROR_INVALIDDATA; } - if (wasted) { + if (wasted && wasted < 32) { int i; for (i = 0; i < s->blocksize; i++) decoded[i] = (unsigned)decoded[i] << wasted; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
