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avcodec/rka: use 64bit for srate_pad computation

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Fixes: left shift of 538976288 by 13 places cannot be represented in type 'int'
Fixes: 56148/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RKA_fuzzer-6257370708967424

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cbe5e480aa)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2023-03-04 23:58:08 +01:00
parent 79edf58ba8
commit 011511791a
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1 changed files with 1 additions and 1 deletions
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libavcodec/rka.c
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@ -207,7 +207,7 @@ static int chctx_init(RKAContext *s, ChContext *c,
c->bprob[0] = s->bprob[0];
c->bprob[1] = s->bprob[1];
c->srate_pad = (sample_rate << 13) / 44100 & 0xFFFFFFFCU;
c->srate_pad = ((int64_t)sample_rate << 13) / 44100 & 0xFFFFFFFCU;
c->pos_idx = 1;
for (int i = 0; i < FF_ARRAY_ELEMS(s->bprob[0]); i++)