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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-13 23:24:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-14 00:21:50 +0200 |
| commit | 236912f78923f335555d08403f5b55f1ca73202d (patch) | |
| tree | 1236b695d3016c9aa1c046c0e697df0e17ecdd65 /libavcodec | |
| parent | 9fb677dd825618fd5e44b955e7f8d2ad7333ab3d (diff) | |
| download | ffmpeg-236912f78923f335555d08403f5b55f1ca73202d.tar.gz | |
avcodec/ffv1dec: Fix runtime error: signed integer overflow: 1550964438 + 1550964438 cannot be represented in type 'int'
Fixes: 1559/clusterfuzz-testcase-minimized-5048096079740928
Fixes: 1560/clusterfuzz-testcase-minimized-6011037813833728
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8630b2cd36c57918acfe18302fe77d1ceefbd676)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/ffv1dec.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c index c3f43b838d..20921c6adf 100644 --- a/libavcodec/ffv1dec.c +++ b/libavcodec/ffv1dec.c @@ -45,7 +45,8 @@ static inline av_flatten int get_symbol_inline(RangeCoder *c, uint8_t *state, if (get_rac(c, state + 0)) return 0; else { - int i, e, a; + int i, e; + unsigned a; e = 0; while (get_rac(c, state + 1 + FFMIN(e, 9))) { // 1..10 e++; |