On Mon, 30 Oct 2017, Vasily Averin wrote:
> I've reproduced the problem both on RHEL7 and then on last mainline kernel:
>
> 1) start nfsd on host
> # service nfs start
>
> 2) create separate net and mount namespaces:
> # unshare -m -n ; mount -t nfsd nfsd /proc/fs/nfsd
>
> 3) execute screen (
I've reproduced the problem both on RHEL7 and then on last mainline kernel:
1) start nfsd on host
# service nfs start
2) create separate net and mount namespaces:
# unshare -m -n ; mount -t nfsd nfsd /proc/fs/nfsd
3) execute screen (we need 2 consoles with newly created namespaces)
4) on first
cc: Scott Mayhew
Dear Scott,
could you please take look at patches?
Let me describe the problem once again:
lockd_inetaddr_event()
...
if (nlmsvc_rqst) {
...
svc_age_temp_xprts_now(nlmsvc_rqst->rq_server, (struct sockaddr
*)&sin);
}
Usually ac
lockd and nfsd inet[6]addr notifiers use pointer that can be changed during
execution.
lockd_inet[6]addr_event use nlmsvc_rqst without taken nlmsvc_mutex,
nfsd notifier have similar trouble.
We got few crashes from OpenVz customers on RHEL6-based kernel,
and I have reproduced the problem locally
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