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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-27 13:47:32 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-07-19 02:50:33 +0200 |
| commit | a954b531f63bef13c26a574ecbd7a4c099f56693 (patch) | |
| tree | 5f3a580ea183997fd2e49baf4ceeff2a0cf48f26 | |
| parent | aaecd2ef68d9cdfed70b168aade4a0782ae2551f (diff) | |
| download | ffmpeg-a954b531f63bef13c26a574ecbd7a4c099f56693.tar.gz | |
avcodec/wavpack: Fix invalid shift
Fixes: runtime error: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: 2377/clusterfuzz-testcase-minimized-6108505935183872
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 c07af720984acaafaa273369080b458d73975775)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/wavpack.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index e0208690be..c98f8142a9 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -837,9 +837,9 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no, continue; } bytestream2_get_buffer(&gb, val, 4); - if (val[0] > 31) { + if (val[0] > 30) { av_log(avctx, AV_LOG_ERROR, - "Invalid INT32INFO, extra_bits = %d (> 32)\n", val[0]); + "Invalid INT32INFO, extra_bits = %d (> 30)\n", val[0]); continue; } else if (val[0]) { s->extra_bits = val[0]; |