From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Roman Khabibov <roman.habibov@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org
Subject: Re: [Tarantool-patches] [PATCH] serilaizer: check for recursive serialization
Date: Fri, 10 Jul 2020 15:29:58 +0300 [thread overview]
Message-ID: <20200710122958.GF1999@grain> (raw)
In-Reply-To: <20200710120109.91675-1-roman.habibov@tarantool.org>
On Fri, Jul 10, 2020 at 03:01:09PM +0300, Roman Khabibov wrote:
> luaL_pushcdata(struct lua_State *L, uint32_t ctypeid)
> @@ -490,6 +493,11 @@ static int
> lua_field_try_serialize(struct lua_State *L, struct luaL_serializer *cfg,
> int idx, struct luaL_field *field)
> {
> + if (idx > SERIALIZER_CRITICAL_RECURSION_DEPTH) {
> + diag_set(LuajitError, LUAL_SERIALIZE " generates too deep "
> + "recursion");
> + return -1;
> + }
> if (luaL_getmetafield(L, idx, LUAL_SERIALIZE) == 0)
> return 1;
Wait. The @idx stands for index in a table as far as I remember,
this just happen to hit when you're calling youself recursively
but @idx may be > SERIALIZER_CRITICAL_RECURSION_DEPTH for nonrecursive
calls as well.
Lets CC our Lua's master: Igor. I might be simply wrong.
next prev parent reply other threads:[~2020-07-10 12:30 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-10 12:01 Roman Khabibov
2020-07-10 12:29 ` Cyrill Gorcunov [this message]
2020-07-14 9:45 ` Igor Munkin
2020-07-14 10:40 ` Cyrill Gorcunov
2020-09-14 14:43 ` Roman Khabibov
2020-09-14 16:06 ` Cyrill Gorcunov
2020-09-16 7:29 ` Igor Munkin
2020-09-30 21:49 ` Roman Khabibov
2020-10-01 14:40 ` Igor Munkin
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