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BUG/MINOR: Lua: The socket may be destroyed when we try to access.

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When we try to access to other proxy context, we must check
its existence because haproxy can kill it between the creation
and the usage.

This patch should be backported in 1.6 and 1.7
This commit is contained in:
Thierry FOURNIER 2017-07-11 18:38:39 +02:00 committed by Willy Tarreau
parent 5d468ca97b
commit b01d28f976
1 changed files with 5 additions and 0 deletions
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5
src/hlua.c
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@ -2205,6 +2205,11 @@ __LJMP static int hlua_socket_connect(struct lua_State *L)
/* Get args. */
socket = MAY_LJMP(hlua_checksocket(L, 1));
/* The socket may be destroy. */
if (!socket->s)
return 0;
ip = MAY_LJMP(luaL_checkstring(L, 2));
if (lua_gettop(L) >= 3)
port = MAY_LJMP(luaL_checkinteger(L, 3));