ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | Wed Jan 31 02:50:18 2018 +0100| [263bddf78159668383afadf1c2db73f74b265377] | committer: Michael Niedermayer
avcodec/wavpack: Fix integer overflow in FFABS 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 <mich...@niedermayer.cc> (cherry picked from commit 8e50bd61e4ff97bd7fc6cbd7ec4ca514e17a70c4) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=263bddf78159668383afadf1c2db73f74b265377 --- libavcodec/wavpack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 2c7afda69f..50b5db55ff 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) + (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; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
