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authorMichael Niedermayer <michael@niedermayer.cc>2020-06-09 22:14:59 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2020-06-13 00:43:09 +0200
commitaa88cdfd90f5da0683cd6556c75a5ba5740a1c27 (patch)
tree3414fe512b000cceaaf0888b1fd7b1327916c219
parent0e15b01b4e463d12128db2c15de7741637548347 (diff)
downloadffmpeg-aa88cdfd90f5da0683cd6556c75a5ba5740a1c27.tar.gz
avcodec/loco: Fix signed integer overflow in loco_get_rice()
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int' Fixes: 22975/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LOCO_fuzzer-5658160970072064 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/loco.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/loco.c b/libavcodec/loco.c
index e891d83ece..d0cedf577d 100644
--- a/libavcodec/loco.c
+++ b/libavcodec/loco.c
@@ -82,7 +82,7 @@ static inline void loco_update_rice_param(RICEContext *r, int val)
static inline int loco_get_rice(RICEContext *r)
{
- int v;
+ unsigned v;
if (r->run > 0) { /* we have zero run */
r->run--;
loco_update_rice_param(r, 0);