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avcodec/ra144: Fix runtime error: signed integer overflow: 11184810 * 404 cannot be represented in type 'int'

Fixes: 1884/clusterfuzz-testcase-minimized-4637425835966464

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 2017-05-28 21:38:24 +02:00
parent 872bac8159
commit 4c472c5252

View File

@ -1701,7 +1701,7 @@ void ff_subblock_synthesis(RA144Context *ractx, const int16_t *lpc_coefs,
if (cba_idx) {
cba_idx += BLOCKSIZE/2 - 1;
ff_copy_and_dup(ractx->buffer_a, ractx->adapt_cb, cba_idx);
m[0] = (ff_irms(&ractx->adsp, ractx->buffer_a) * gval) >> 12;
m[0] = (ff_irms(&ractx->adsp, ractx->buffer_a) * (unsigned)gval) >> 12;
} else {
m[0] = 0;
}