ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Jun 1 18:48:37 2017 +0200| [8b3e580b7f436206e84dac89415e057fa9abdab8] | committer: Michael Niedermayer
avcodec/wavpack: Fix runtime error: shift exponent 32 is too large for 32-bit type 'int' Fixes: 1967/clusterfuzz-testcase-minimized-5757031199801344 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8b3e580b7f436206e84dac89415e057fa9abdab8 --- libavcodec/wavpack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index b216eb0683..25c8e94ca2 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -188,7 +188,7 @@ static int wv_get_value(WavpackFrameContext *ctx, GetBitContext *gb, goto error; t += t2; } else { - if (get_bits_left(gb) < t2 - 1) + if (t2 >= 32 || get_bits_left(gb) < t2 - 1) goto error; t += get_bits_long(gb, t2 - 1) | (1 << (t2 - 1)); } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
