Re: bio linked list corruption.

[Thomas Gleixner]

On Thu, 20 Oct 2016, Ingo Molnar wrote:
> * Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> > So I don't think it's related. Yours looks like some subtle timer base
> > race. It smells like a locking problem with timers. I'm not seeing
> > what it might be, but it *might* have been fixed by doing the
> > TIMER_MIGRATING bit right in add_timer_on() (commit 22b886dd1018).

4.1 does not have the new fangled timer wheel. So 22b886dd1018 is
irrelevant.

> > Adding some timer people just in case, but I don't think your 4.1
> > report is related.

This looks like one of the classic issues where an enqueued timer gets
freed/reinitialized or otherwise manipulated. So yes, Ingos recommendation
for debugging is the right thing to do.
 
Thanks,

	tglx