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avcodec/loco: Fix signed integer overflow in loco_get_rice()

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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>
This commit is contained in:
Michael Niedermayer 2020-06-09 22:14:59 +02:00
parent 0e15b01b4e
commit aa88cdfd90
1 changed files with 1 additions and 1 deletions
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libavcodec/loco.c
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@ -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);