Messages in this thread | | | Date | Tue, 7 Mar 2006 22:49:26 +0000 | From | Christoph Hellwig <> | Subject | Re: [PATCH] Prevent NULL pointer deref in grab_swap_token |
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On Tue, Mar 07, 2006 at 03:13:44PM -0600, Dean Roe wrote: > grab_swap_token() assumes that the current process has an mm struct, > which is not true for kernel threads invoking get_user_pages(). Since > this should be extremely rare, just return from grab_swap_token() > without doing anything.
There's a few things that will break if a kernel thread calls get_user_pages, so we should rather fix those.
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