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pidns: deny CLONE_PARENT|CLONE_NEWPID combination
[linux-block.git]
/
kernel
/
pid_namespace.c
diff --git
a/kernel/pid_namespace.c
b/kernel/pid_namespace.c
index 821722ae58a732760f62a00912554e3779fc2d04..86b3796b0436726e5b0208021cc990bfdc7044e2 100644
(file)
--- a/
kernel/pid_namespace.c
+++ b/
kernel/pid_namespace.c
@@
-118,7
+118,7
@@
struct pid_namespace *copy_pid_ns(unsigned long flags, struct pid_namespace *old
{
if (!(flags & CLONE_NEWPID))
return get_pid_ns(old_ns);
- if (flags &
CLONE_THREAD
)
+ if (flags &
(CLONE_THREAD|CLONE_PARENT)
)
return ERR_PTR(-EINVAL);
return create_pid_namespace(old_ns);
}