[Devel] [PATCH rh7] SUNRPC: NULL utsname dereference on NFS umount during namespace cleanup

Andrey Ryabinin aryabinin at virtuozzo.com
Thu Sep 17 00:51:10 PDT 2015

On 09/17/2015 10:46 AM, Andrey Ryabinin wrote:
> From: Trond Myklebust <trond.myklebust at primarydata.com>
> commit 03a9a42a1a7e5b3e7919ddfacc1d1cc81882a955 upstream.
> Fix an Oopsable condition when nsm_mon_unmon is called as part of the
> namespace cleanup, which now apparently happens after the utsname
> has been freed.
> Link: http://lkml.kernel.org/r/20150125220604.090121ae@neptune.home
> Reported-by: Bruno Prémont <bonbons at linux-vserver.org>
> Signed-off-by: Trond Myklebust <trond.myklebust at primarydata.com>
> [aryabinin: I've hit this while invetigating
>  https://jira.sw.ru/browse/PSBM-34098, although this is

should be: https://jira.sw.ru/browse/PSBM-39721

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