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Code Issues Releases Activity

avcodec/wavpack: Fix runtime error: shift exponent 32 is too large for 32-bit type 'int'

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Fixes: 822/clusterfuzz-testcase-4873433189974016

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-03-13 02:51:15 +01:00
parent acdacb108d
commit 7cebc5a9cc
1 changed files with 1 additions and 1 deletions
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2
libavcodec/wavpack.c
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@ -846,7 +846,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
continue;
}
bytestream2_get_buffer(&gb, val, 4);
if (val[0] > 32) {
if (val[0] > 31) {
av_log(avctx, AV_LOG_ERROR,
"Invalid INT32INFO, extra_bits = %d (> 32)\n", val[0]);
continue;