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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-25 00:13:53 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-07-19 15:26:37 +0200 |
| commit | 165b2ee6920ac113ac39b1ce101d7cd7c68ca787 (patch) | |
| tree | 485ec3f20c8491abf47d5671a6acce572cc435c8 | |
| parent | ea153eb52cba9cf3260e76db9599ccd21c2d705d (diff) | |
| download | ffmpeg-165b2ee6920ac113ac39b1ce101d7cd7c68ca787.tar.gz | |
avcodec/wavpack: Fix integer overflow in wv_unpack_stereo()
Fixes: runtime error: signed integer overflow: 2080374785 + 2080374784 cannot be represented in type 'int'
Fixes: 2351/clusterfuzz-testcase-minimized-5359403240783872
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 73ea2a028e12a7d779834f78dc496c8c4b08361f)
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 aef538865b..b964b3c2fa 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -480,7 +480,7 @@ static inline int wv_unpack_stereo(WavpackFrameContext *s, GetBitContext *gb, } if (type == AV_SAMPLE_FMT_S16P) { - if (FFABS(L) + FFABS(R) > (1<<19)) { + if (FFABS(L) + (unsigned)FFABS(R) > (1<<19)) { av_log(s->avctx, AV_LOG_ERROR, "sample %d %d too large\n", L, R); return AVERROR_INVALIDDATA; } |