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authorMichael Niedermayer <michael@niedermayer.cc>2017-05-31 22:53:02 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2017-06-06 03:44:35 +0200
commit30abd8e6f98243ba0e6744128ece372cc0d7c0fb (patch)
tree6d4f98fceb40ca1fda8a10967e47e3416d3b41eb /libavcodec/wavpack.c
parent706b427ff5de7d7ba152ec07c17f657e58180767 (diff)
downloadffmpeg-30abd8e6f98243ba0e6744128ece372cc0d7c0fb.tar.gz
avcodec/wavpack: Fix runtime error: signed integer overflow: 2013265955 - -134217694 cannot be represented in type 'int'
Fixes: 1922/clusterfuzz-testcase-minimized-5561194112876544 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit a47273c803edfbc43793349b74429ae29b05c003) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/wavpack.c')
-rw-r--r--libavcodec/wavpack.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
index 427296d06b..83e5c906cf 100644
--- a/libavcodec/wavpack.c
+++ b/libavcodec/wavpack.c
@@ -245,7 +245,7 @@ static int wv_get_value(WavpackFrameContext *ctx, GetBitContext *gb,
if (get_bits_left(gb) <= 0)
goto error;
if (get_bits1(gb)) {
- add -= (mid - base);
+ add -= (mid - (unsigned)base);
base = mid;
} else
add = mid - base - 1;