If the change of personality does not lead to change of exec domain,
__set_personality() returned without releasing the module reference
acquired by lookup_exec_domain().
Signed-off-by: Sergey Vlasov <[email protected]>
---
diff --git a/kernel/exec_domain.c b/kernel/exec_domain.c
index 867d6db..c01cead 100644
--- a/kernel/exec_domain.c
+++ b/kernel/exec_domain.c
@@ -140,6 +140,7 @@ __set_personality(u_long personality)
ep = lookup_exec_domain(personality);
if (ep == current_thread_info()->exec_domain) {
current->personality = personality;
+ module_put(ep->module);
return 0;
}