avcodec/get_bits: add assertion to limit ouptut value of get_bits

Should fix the following Coverity false positives:

Coverity CID #1415651.
Coverity CID #1420392.
Coverity CID #1420473.
Coverity CID #1433770.
Coverity CID #1435320.
Coverity CID #1439573.
Coverity CID #1439580.
Coverity CID #1439588.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2019-02-17 00:21:09 +01:00
parent 902e9334aa
commit 694d9d5368
1 changed files with 1 additions and 0 deletions

View File

@ -403,6 +403,7 @@ static inline unsigned int get_bits(GetBitContext *s, int n)
LAST_SKIP_BITS(re, s, n); LAST_SKIP_BITS(re, s, n);
CLOSE_READER(re, s); CLOSE_READER(re, s);
#endif #endif
av_assert2(tmp < UINT64_C(1) << n);
return tmp; return tmp;
} }