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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-03-13 02:51:15 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-08-23 13:15:17 +0200 |
| commit | 00bebaca773886ed00d618156112895e47706c62 (patch) | |
| tree | 6a6a86b26546ffaef911fa21b6d4a0bf24d42fa6 | |
| parent | 2e876cd86a92ce83cf5762e451cf94e0272da149 (diff) | |
| download | ffmpeg-00bebaca773886ed00d618156112895e47706c62.tar.gz | |
avcodec/wavpack: Fix runtime error: shift exponent 32 is too large for 32-bit type 'int'
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>
(cherry picked from commit 7cebc5a9ccba0de7bddf7900ae85652ebc66141c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/wavpack.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 3132fbcaaa..38b5150053 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -835,7 +835,7 @@ 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; |