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[cmap] In collect_unicodes() of format 12/13, limit to max Unicode 

Fixes fuzzer timeout:
https://oss-fuzz.com/testcase-detail/5062368881672192
This commit is contained in:
Behdad Esfahbod 2022-03-21 18:24:30 -06:00
parent 03085132ba
commit f41945e313
1 changed files with 2 additions and 2 deletions
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4
src/hb-ot-cmap-table.hh
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@ -714,7 +714,7 @@ struct CmapSubtableLongSegmented
if (unlikely ((unsigned int) (gid + end - start) >= num_glyphs))
end = start + (hb_codepoint_t) num_glyphs - gid;
out->add_range (start, end);
out->add_range (start, hb_min (end, 0x10FFFFu));
}
}
@ -883,7 +883,7 @@ struct DefaultUVS : SortedArray32Of<UnicodeValueRange>
hb_codepoint_t first = arrayZ[i].startUnicodeValue;
hb_codepoint_t last = hb_min ((hb_codepoint_t) (first + arrayZ[i].additionalCount),
(hb_codepoint_t) HB_UNICODE_MAX);
out->add_range (first, last);
out->add_range (first, hb_min (last, 0x10FFFFu));
}
}