avcodec/flacdec: avoid undefined shift
authorMichael Niedermayer <michael@niedermayer.cc>
Tue, 26 Dec 2017 22:24:43 +0000 (23:24 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Sat, 30 Dec 2017 20:11:32 +0000 (21:11 +0100)
commit0da741ba6b30799d282554a8cec1b4b2859cc8b4
tree8bfb93d1324d20d516acfa927331a1397617c54b
parentb66e3e321f64a659a534e520c5fad085e8c293f5
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 <michael@niedermayer.cc>
(cherry picked from commit 560daf88913b0de59a4d845bcd19254b406388dd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/flacdec.c