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b7e5034cbe
James Pearson found that an NFS server stopped responding to UDP
requests if started with more than 1017 threads.
sv_max_mesg is about 2^20, so that is probably where the calculation
performed by
svc_sock_setbufsize(svsk->sk_sock,
(serv->sv_nrthreads+3) * serv->sv_max_mesg,
(serv->sv_nrthreads+3) * serv->sv_max_mesg);
starts to overflow an int.
Reported-by: James Pearson <jcpearson@gmail.com>
Tested-by: James Pearson <jcpearson@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>