[subset-cff] Fix buffer size calculation

2022-12-01 20:11:34 -07:00 · 2022-12-01 20:11:34 -07:00 · a5616227ca
parent 015af5a8e5
commit a5616227ca
1 changed files with 1 additions and 1 deletions
--- a/src/hb-subset-cff-common.hh
+++ b/src/hb-subset-cff-common.hh
@ -981,7 +981,7 @@ struct subr_subsetter_t
      if (opstr.op == OpCode_callsubr || opstr.op == OpCode_callgsubr)
        size += 3;
    }
-    if (!buff.alloc (size))
+    if (!buff.alloc (buff.length + size))
      return false;

    for (auto &opstr : str.values)