ffmpeg | branch: release/3.4 | Michael Niedermayer <mich...@niedermayer.cc> | Fri Dec 22 03:12:03 2017 +0100| [0e7d8ce37c2fd543bde32914ddb7ce54fc2f9220] | committer: Michael Niedermayer
avcodec/hevcdsp_template.c: Fix undefined shift in FUNC(dequant) Fixes: runtime error: left shift of negative value -180 Fixes: 4626/clusterfuzz-testcase-minimized-5647837887987712 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 0c9ab5ef9c1ee852c80c859c9e07efe8730b57ed) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0e7d8ce37c2fd543bde32914ddb7ce54fc2f9220 --- libavcodec/hevcdsp_template.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/hevcdsp_template.c b/libavcodec/hevcdsp_template.c index 4017af8eb0..903aa3fe95 100644 --- a/libavcodec/hevcdsp_template.c +++ b/libavcodec/hevcdsp_template.c @@ -121,7 +121,7 @@ static void FUNC(dequant)(int16_t *coeffs, int16_t log2_size) } else { for (y = 0; y < size; y++) { for (x = 0; x < size; x++) { - *coeffs = *coeffs << -shift; + *coeffs = *(uint16_t*)coeffs << -shift; coeffs++; } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
