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[set] Protect against bad input in hb_set_add_range()

This commit is contained in:
Behdad Esfahbod 2017-12-02 15:06:15 -08:00
parent d5e29303db
commit 0744149cda
1 changed files with 1 additions and 1 deletions
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2
src/hb-set-private.hh
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@ -217,7 +217,7 @@ struct hb_set_t
} }
inline void add_range (hb_codepoint_t a, hb_codepoint_t b) inline void add_range (hb_codepoint_t a, hb_codepoint_t b)
{ {
if (unlikely (in_error)) return; if (unlikely (in_error || a > b)) return;
unsigned int ma = get_major (a); unsigned int ma = get_major (a);
unsigned int mb = get_major (b); unsigned int mb = get_major (b);
if (ma == mb) if (ma == mb)