[Bug 297233] nfs: panic: general protection fault

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D297233

--- Comment #7 from Rick Macklem <[email protected]> ---
(In reply to Konstantin Belousov from comment #6)
I will take a look someday, but the honest answer
is that a broken server will always be able to find
ways to break the client and not mounting that server
is the only fix, although it would be nice if a server
cannot crash the client system.
(This case is an extremely rare "should never happen"
one, where the client loses its lease and tries to
recover the opens. It cannot recover the locks. This
recovery isn't even covered in the RFCs, because there
is no good solution. Maybe the code should have just
forced a dismount for this case?)

But I will look at it and try and figure out where the
delegation gets free'd prematurely, but my "to do" list
is pretty long these days.

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