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author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-31 22:53:02 +0200 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-05 23:16:54 +0200 |
commit | d1390a8670dbf2d36eb21e7d7268a13f1720916c (patch) | |
tree | 694701949f81e72f75b264597437d32639ddfc97 | |
parent | 653de8249dab1a6c96bc4d5a049b3b9234c9a4ba (diff) | |
download | ffmpeg-d1390a8670dbf2d36eb21e7d7268a13f1720916c.tar.gz |
avcodec/wavpack: Fix runtime error: signed integer overflow: 2013265955 - -134217694 cannot be represented in type 'int'
Fixes: 1922/clusterfuzz-testcase-minimized-5561194112876544
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 a47273c803edfbc43793349b74429ae29b05c003)
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 614d5a3283..25dc4cd519 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -239,7 +239,7 @@ static int wv_get_value(WavpackFrameContext *ctx, GetBitContext *gb, if (get_bits_left(gb) <= 0) goto error; if (get_bits1(gb)) { - add -= (mid - base); + add -= (mid - (unsigned)base); base = mid; } else add = mid - base - 1; |