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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-25 00:13:53 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-25 02:52:41 +0200 |
| commit | 0fe174fa9c80fdfe681b4b558eeaba96c4b987bd (patch) | |
| tree | 6f380b3d569790e9725bc59d530be5b3a8a3571e | |
| parent | 8b9e522e08d91d06dae059a844c2bf20c696a078 (diff) | |
| download | ffmpeg-0fe174fa9c80fdfe681b4b558eeaba96c4b987bd.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 a4f05f094f..70625548eb 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -474,7 +474,7 @@ 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; } |