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from encode_int removed assert hit by fuzzer 

clamp the value instead
This commit is contained in:
Michiharu Ariza 2018-10-12 14:14:21 -07:00
parent fc0153a1d4
commit b64ef69b9e
1 changed files with 4 additions and 1 deletions
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5
src/hb-subset-cff-common.hh
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@ -59,7 +59,10 @@ struct ByteStrBuff : hb_vector_t<char, 1>
return encode_byte ((v >> 8) + OpCode_TwoByteNegInt0) && encode_byte (v & 0xFF); return encode_byte ((v >> 8) + OpCode_TwoByteNegInt0) && encode_byte (v & 0xFF);
} }
} }
assert ((-32768 <= v) && (v <= 32767)); if (unlikely (v < -32768))
v = -32768;
else if (unlikely (v > 32767))
v = 32767;
return encode_byte (OpCode_shortint) && return encode_byte (OpCode_shortint) &&
encode_byte ((v >> 8) & 0xFF) && encode_byte ((v >> 8) & 0xFF) &&
encode_byte (v & 0xFF); encode_byte (v & 0xFF);