Messages in this thread | | | Date | Wed, 7 Aug 2019 14:56:01 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: NULL ptr deref in wq_worker_sleeping on 4.19 |
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On Wed, 7 Aug 2019, Austin Kim wrote:
A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?
A: No. Q: Should I include quotations after my reply?
http://daringfireball.net/2007/07/on_top
> I wonder what kinds of workqueue is used in case of this panic. > > If system workqueue(system_wq) is used for this case, it would be a > help to replace it with high priority workqueue(system_highpri_wq). If > panic disappers with high priority workqueue(system_highpri_wq), we > would think about another scenario.
How would that help? As Sebastian explained, something overwrote memory or it is a Use After Free. How would a high priority workqueue 'fix' that?
You need to find the root cause, which is either memory corruption or a use after free.
Thanks,
tglx
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