| Message ID | 20180131021736.6362-1-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 8e50bd61e4ff97bd7fc6cbd7ec4ca514e17a70c4 |
| Headers | show |
On Wed, Jan 31, 2018 at 03:17:36AM +0100, Michael Niedermayer wrote: > Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself > Fixes: 5396/clusterfuzz-testcase-minimized-6558555529281536 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavcodec/wavpack.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply [...]
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index d5e1e07b74..0e40b29879 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) + (unsigned)FFABS(R) > (1<<19)) { + if (FFABS((int64_t)L) + FFABS((int64_t)R) > (1<<19)) { av_log(s->avctx, AV_LOG_ERROR, "sample %d %d too large\n", L, R); return AVERROR_INVALIDDATA; }
Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself Fixes: 5396/clusterfuzz-testcase-minimized-6558555529281536 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/wavpack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)