Re: [PATCH] sched/fair: Fix null pointer dereference of empty queues

[Peter Zijlstra]

On Mon, 2015-05-25 at 14:00 -0400, Mohammed Naser wrote:
> Calling put_prev_task() can result in nr_running being updated
> to zero, which would then crash the system when the kernel
> attempts to pick_next_entity() with an empty queue.

Getting to pick_next_entity() with an empty queue is a bug.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/