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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-04-07 03:38:12 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-04 20:32:11 +0200 |
| commit | fc4f88375b8aa99495a3a774611132a77ca2e11b (patch) | |
| tree | 519e7bc62a2452fff6d1ffc047e64c600dccaba7 /libavcodec/wavpack.c | |
| parent | d2657d225c14fcb560199ef0cefe34f76270ad92 (diff) | |
avcodec/wavpack: Fix invalid shift and integer overflow
Fixes: 940/clusterfuzz-testcase-5200378381467648
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/wavpack.c')
| -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 2bda3599a8..bc4402f638 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -157,7 +157,7 @@ static int wv_get_value(WavpackFrameContext *ctx, GetBitContext *gb, } else { t = get_unary_0_33(gb); if (t >= 2) { - if (get_bits_left(gb) < t - 1) + if (t >= 32 || get_bits_left(gb) < t - 1) goto error; t = get_bits_long(gb, t - 1) | (1 << (t - 1)); } else { |