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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-03-13 02:51:15 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-20 03:41:33 +0200 |
| commit | 922013c983e5f5362b64f32f0b1a57989396f37d (patch) | |
| tree | 1e951c57ccf5f90fe48f8169e2571e41c894da97 | |
| parent | 36c314e76a53623bfaf802841dc0fb1b6c054c3c (diff) | |
| download | ffmpeg-922013c983e5f5362b64f32f0b1a57989396f37d.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 eee8f3ab1e..fbeb85ce48 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; |