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-rw-r--r--kernel/user.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/user.c b/kernel/user.c
index d667debeaf..03cedc366d 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -18,8 +18,18 @@
#include <linux/interrupt.h>
#include <linux/export.h>
#include <linux/user_namespace.h>
+#include <linux/binfmts.h>
#include <linux/proc_ns.h>
+#if IS_ENABLED(CONFIG_BINFMT_MISC)
+struct binfmt_misc init_binfmt_misc = {
+ .entries = LIST_HEAD_INIT(init_binfmt_misc.entries),
+ .enabled = true,
+ .entries_lock = __RW_LOCK_UNLOCKED(init_binfmt_misc.entries_lock),
+};
+EXPORT_SYMBOL_GPL(init_binfmt_misc);
+#endif
+
/*
* userns count is 1 for root user, 1 for init_uts_ns,
* and 1 for... ?
@@ -67,6 +77,9 @@ struct user_namespace init_user_ns = {
.keyring_name_list = LIST_HEAD_INIT(init_user_ns.keyring_name_list),
.keyring_sem = __RWSEM_INITIALIZER(init_user_ns.keyring_sem),
#endif
+#if IS_ENABLED(CONFIG_BINFMT_MISC)
+ .binfmt_misc = &init_binfmt_misc,
+#endif
};
EXPORT_SYMBOL_GPL(init_user_ns);