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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-13 23:24:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-17 20:35:20 +0200 |
| commit | 52f4c9c31fd356942cfb22e737f1bb1cbdb52622 (patch) | |
| tree | c57f814ef5381aa010bfd2ecdb0c620048b11f80 | |
| parent | e1fcdf1930a7ac4639bd98f763bdb1a12661ea22 (diff) | |
| download | ffmpeg-52f4c9c31fd356942cfb22e737f1bb1cbdb52622.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>
| -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 98a286a44f..5f7e11fc33 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++; |