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Date:   Fri, 15 Mar 2019 12:50:02 +0100
From:   Dominik Brodowski <>
To:     David Howells <>
Cc:     Al Viro <>,
        Greg Kroah-Hartman <>,
        Tejun Heo <>, Li Zefan <>,
        Johannes Weiner <>,,,
Subject: Re: fs_context-related oops in mainline

On Fri, Mar 15, 2019 at 11:44:45AM +0000, David Howells wrote:
> Dominik Brodowski <> wrote:
> > [    0.839322] RIP: 0010:sysfs_init_fs_context+0x82/0xd0
> Could you load your kernel into gdb and then do:
> 	i li *sysfs_init_fs_context+0x82

Doesn't seem necessary as per my mail to Al a few seconds ago:
kobj_ns_grab_current(KOBJ_NS_TYPE_NET) returns NULL, so

        fc->user_ns = get_user_ns(netns->user_ns);

will try to dereference a null pointer.


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