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lsteamclient: Also don't cache interfaces with vtable allocated from steamclient.dll.

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CW-Bug-Id: #20909
This commit is contained in:
Paul Gofman 2022-07-01 15:27:42 -05:00 committed by Arkadiusz Hiler
parent ba3d473ec1
commit 18195c558d
1 changed files with 7 additions and 1 deletions
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8
lsteamclient/steamclient_main.c
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@ -615,8 +615,14 @@ void *create_win_interface(const char *name, void *linux_side)
if (!strcmp(name, constructors[i].iface_version)) if (!strcmp(name, constructors[i].iface_version))
{ {
ret = constructors[i].ctor(linux_side); ret = constructors[i].ctor(linux_side);
if (allocated_from_steamclient_dll(ret)) if (allocated_from_steamclient_dll(ret)
|| allocated_from_steamclient_dll(*(void **)ret) /* vtable */)
{
/* Don't cache interfaces allocated from steamclient.dll space.
* steamclient may get reloaded by the app, miss the previous
* data and potentially have different load address. */
break; break;
}
e = HeapAlloc(GetProcessHeap(), 0, sizeof(*e)); e = HeapAlloc(GetProcessHeap(), 0, sizeof(*e));
e->name = constructors[i].iface_version; e->name = constructors[i].iface_version;