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[subset] Fail on table grow more than 16x+4096

This commit is contained in:
Ebrahim Byagowi 2019-08-23 22:04:14 +04:30
parent 28aba780c4
commit 922898c814
1 changed files with 1 additions and 0 deletions
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1
src/hb-subset.cc
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@ -93,6 +93,7 @@ _subset2 (hb_subset_plan_t *plan)
if (serializer.ran_out_of_room)
{
buf_size += (buf_size >> 1) + 32;
assert (buf_size <= source_blob->length * 16 + 4096);
DEBUG_MSG(SUBSET, nullptr, "OT::%c%c%c%c ran out of room; reallocating to %u bytes.", HB_UNTAG (tag), buf_size);
if (unlikely (!buf.alloc (buf_size)))
{