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Paul Moore authored
Prevent userspace from changing the the /proc/PID/attr values if the task's credentials are currently overriden. This not only makes sense conceptually, it also prevents some really bizarre error cases caused when trying to commit credentials to a task with overridden credentials. Cc: <stable@vger.kernel.org> Reported-by:
"chengjian (D)" <cj.chengjian@huawei.com> Signed-off-by:
Paul Moore <paul@paul-moore.com> Acked-by:
John Johansen <john.johansen@canonical.com> Acked-by:
James Morris <james.morris@microsoft.com> Acked-by:
Casey Schaufler <casey@schaufler-ca.com>
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