diff options
| author | Michael Niedermayer <[email protected]> | 2017-05-13 23:24:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <[email protected]> | 2017-08-23 13:15:17 +0200 |
| commit | 20ba86574034c66fbbc934c0d0f8e4c499d38210 (patch) | |
| tree | b34591ce1a502a9f678878b347b32fce9c0a91ab | |
| parent | 6c0078656163764b3996a67b22e302b8065b589e (diff) | |
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 <[email protected]>
(cherry picked from commit 8630b2cd36c57918acfe18302fe77d1ceefbd676)
Signed-off-by: Michael Niedermayer <[email protected]>
| -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 e9c9a2dfa3..2456d6c0d1 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++; |