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| author | Yossi Gottlieb <yossigo@gmail.com> | 2020-08-31 20:42:46 +0300 |
|---|---|---|
| committer | Oran Agra <oran@redislabs.com> | 2020-09-01 09:27:58 +0300 |
| commit | d2532d133518f2e07720f0947a6597447a3d45b4 (patch) | |
| tree | 68deb844c28f3fea60aa2794da50000045fd2ed9 | |
| parent | 00d0d870d289ef754a610c2b2cfc436ec6863447 (diff) | |
| download | redis-d2532d133518f2e07720f0947a6597447a3d45b4.tar.gz | |
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.
(cherry picked from commit d75ad774a92bd7de0b9448be3d622d7a13b7af27)
| -rw-r--r-- | deps/lua/src/ldo.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/deps/lua/src/ldo.c b/deps/lua/src/ldo.c index 514f7a2a3..939940a4c 100644 --- a/deps/lua/src/ldo.c +++ b/deps/lua/src/ldo.c @@ -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; |