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[post] Protect against huge empty tables

This commit is contained in:
Behdad Esfahbod 2018-11-07 09:14:42 -05:00
parent 5ed816ab59
commit 7d91f07edf
1 changed files with 3 additions and 1 deletions
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4
src/hb-ot-post-table.hh
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@ -128,7 +128,9 @@ struct post
pool = &StructAfter<uint8_t> (v2.glyphNameIndex);
const uint8_t *end = (uint8_t *) table + table_length;
for (const uint8_t *data = pool; data < end && data + *data < end; data += 1 + *data)
for (const uint8_t *data = pool;
index_to_offset.len < 65535 && data < end && data + *data < end;
data += 1 + *data)
index_to_offset.push (data - pool);
}
inline void fini (void)