From: Zhao Hongjiang <zhaohongjiang@xxxxxxxxxx>
We should release the reference of user_ns which belong to the pid_ns when the
pid_ns's reference is down to zero, because when we create a new pid_ns we get the
reference of the user_ns.
Signed-off-by: Zhao Hongjiang <zhaohongjiang@xxxxxxxxxx>
---
kernel/pid_namespace.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index 2d6010a..f303462 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -127,6 +127,7 @@ static void destroy_pid_namespace(struct pid_namespace *ns)
{
int i;
+ put_user_ns(ns->user_ns);
proc_free_inum(ns->proc_inum);
for (i = 0; i < PIDMAP_ENTRIES; i++)
kfree(ns->pidmap[i].page);
-- 1.7.1
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