ffmpeg | branch: release/3.2 | Michael Niedermayer <mich...@niedermayer.cc> | Mon Jun 19 14:08:58 2017 +0200| [9125bbb3e58d46364e814577d15804c958e0c226] | committer: Michael Niedermayer
avcodec/wavpack: Fix undefined integer negation Fixes: runtime error: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself Fixes: 2291/clusterfuzz-testcase-minimized-5538453481586688 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 5f89747086af741ddc34e2378cde8519b8faee78) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9125bbb3e58d46364e814577d15804c958e0c226 --- libavcodec/wavpack.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 72d5613363..3776994afe 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -307,8 +307,8 @@ static float wv_get_value_float(WavpackFrameContext *s, uint32_t *crc, int S) S <<= s->float_shift; sign = S < 0; if (sign) - S = -S; - if (S >= 0x1000000) { + S = -(unsigned)S; + if (S >= 0x1000000U) { if (s->got_extra_bits && get_bits1(&s->gb_extra_bits)) S = get_bits(&s->gb_extra_bits, 23); else _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
