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authorMichael Niedermayer <michael@niedermayer.cc>2017-05-13 23:24:04 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2017-05-13 23:28:33 +0200
commit8630b2cd36c57918acfe18302fe77d1ceefbd676 (patch)
tree01cec93509bfe8a7a644a25aad4866626cc5c6f9 /libavcodec/ffv1dec.c
parent8c5cd1c9d33b4b287f85d42efb1aecfaee31de6c (diff)
downloadffmpeg-8630b2cd36c57918acfe18302fe77d1ceefbd676.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>
Diffstat (limited to 'libavcodec/ffv1dec.c')
-rw-r--r--libavcodec/ffv1dec.c3
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++;