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LibVideo/VP9: Prevent negation overflow in BitStream::read_s

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Zaggy1024 2023-02-02 05:15:36 -06:00 • committed by Jelle Raaijmakers
parent f58c5ff569
commit 69e9f9ff63
1 changed files with 2 additions and 2 deletions
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4
Userland/Libraries/LibVideo/VP9/BitStream.cpp
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@ -145,8 +145,8 @@ ErrorOr<u8> BitStream::read_literal(u8 n)
ErrorOr<i8> BitStream::read_s(size_t n)
{
auto value = TRY(read_bits(n));
auto sign = TRY(read_bit());
i8 value = TRY(read_bits(n));
bool sign = TRY(read_bit());
return sign ? -value : value;
}