Backport Lua 5.2.2 stack overflow fix. (#7733)
This fixes the issue described in CVE-2014-5461. At this time we cannot confirm that the original issue has a real impact on Redis, but it is included as an extra safety measure.
This commit is contained in:
parent
571571ca19
commit
d75ad774a9
2
deps/lua/src/ldo.c
vendored
2
deps/lua/src/ldo.c
vendored
@ -274,7 +274,7 @@ int luaD_precall (lua_State *L, StkId func, int nresults) {
|
||||
CallInfo *ci;
|
||||
StkId st, base;
|
||||
Proto *p = cl->p;
|
||||
luaD_checkstack(L, p->maxstacksize);
|
||||
luaD_checkstack(L, p->maxstacksize + p->numparams);
|
||||
func = restorestack(L, funcr);
|
||||
if (!p->is_vararg) { /* no varargs? */
|
||||
base = func + 1;
|
||||
|
Loading…
x
Reference in New Issue
Block a user