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NeilBrown authored
When the NFS server receives a large gss (kerberos) credential and tries to pass it up to rpc.svcgssd (which is deprecated), it triggers an infinite loop in cache_read(). cache_request() always returns -EAGAIN, and this causes a "goto again". This patch: - changes the error to -E2BIG to avoid the infinite loop, and - generates a WARN_ONCE when rsi_request first sees an over-sized credential. The warning suggests switching to gssproxy. Link: https://bugzilla.kernel.org/show_bug.cgi?id=196583Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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