[Bugs] [Bug 1211913] nfs : racy condition in export/netgroup feature
bugzilla at redhat.com
bugzilla at redhat.com
Mon Apr 20 19:05:27 UTC 2015
https://bugzilla.redhat.com/show_bug.cgi?id=1211913
--- Comment #4 from Niels de Vos <ndevos at redhat.com> ---
>From my understanding and talking to Jiffin, the refresh-thread is active while
the nfs-server is exiting. This causes a (partial) cleanup of some of the
structures, which are later on accessed again, resulting in the segfault.
I see two options to fix this permanently, but need to look into the details to
judge what fix is most reasonable:
1. replace the dict_t structures by rcu-lists
2. lock the structures while the refresh thread is running and stop the thread
(+wait) on shutting down the nfs-server
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