Re: kernel NULL pointer dereference in check_spread+0x0/0x26

[Mike Galbraith]

On Fri, 2007-10-12 at 14:40 +0200, Jan Blunck wrote:
> This is with 2.6.23-mm1 and allmodconfig.
> 
> Seems that se in the following is a NULL pointer.
> 
> 453     static void check_spread(struct cfs_rq *cfs_rq, struct
> sched_entity *se)
> 454     {
> 455     #ifdef CONFIG_SCHED_DEBUG
> 456             s64 d = se->vruntime - cfs_rq->min_vruntime;
> 457
> 458             if (d < 0)
> 459                     d = -d;

I hit this once yesterday (in sched-devel), and again first boot this
morning.

	-Mike

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