avcodec/wavpackenc: Use unsigned for potential 31bit shift

Fixes: CID1465481 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
release/7.1
Michael Niedermayer 7 months ago
parent 30f2bac9f7
commit 6f976db251
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64
  1. 4
      libavcodec/wavpackenc.c

@ -1979,7 +1979,7 @@ static void encode_flush(WavPackEncodeContext *s)
put_bits(pb, 31, 0x7FFFFFFF);
cbits -= 31;
} else {
put_bits(pb, cbits, (1 << cbits) - 1);
put_bits(pb, cbits, (1U << cbits) - 1);
cbits = 0;
}
} while (cbits);
@ -2008,7 +2008,7 @@ static void encode_flush(WavPackEncodeContext *s)
put_bits(pb, 31, 0x7FFFFFFF);
cbits -= 31;
} else {
put_bits(pb, cbits, (1 << cbits) - 1);
put_bits(pb, cbits, (1U << cbits) - 1);
cbits = 0;
}
} while (cbits);

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