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add checksig in OP_FORLOOP, see issue #568

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Cloud Wu
2017-01-23 16:50:34 +08:00
parent 9e90ee2dde
commit af6b5609de
1 changed files with 1 additions and 0 deletions
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3rd/lua/lvm.c
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@@ -1201,6 +1201,7 @@ void luaV_execute (lua_State *L) {
} }
} }
vmcase(OP_FORLOOP) { vmcase(OP_FORLOOP) {
lua_checksig(L);
if (ttisinteger(ra)) { /* integer loop? */ if (ttisinteger(ra)) { /* integer loop? */
lua_Integer step = ivalue(ra + 2); lua_Integer step = ivalue(ra + 2);
lua_Integer idx = intop(+, ivalue(ra), step); /* increment index */ lua_Integer idx = intop(+, ivalue(ra), step); /* increment index */