mirror of https://git.ffmpeg.org/ffmpeg.git
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>
This commit is contained in:
parent
be4dfbf7b7
commit
560daf8891
|
@ -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;
|
||||
|
|
Loading…
Reference in New Issue