Re: KASAN + general protection fault while writing to mmc

[Seraphime Kirkovski]

On Tue, Aug 22, 2017 at 02:17:38PM +0200, Linus Walleij wrote:
 
> commit 67e69d5220c904238f94bb2e6001d7c590f5a0bb
> Author: Linus Walleij <linus.walleij@xxxxxxxxxx>
> Date:   Fri May 19 15:37:27 2017 +0200
> 
>     mmc: block: remove req back pointer
> 
>     Just as we can use blk_mq_rq_from_pdu() to get the per-request
>     tag we can use blk_mq_rq_to_pdu() to get a request from a tag.
>     Introduce a static inline helper so we are on the clear what
>     is happening.
> 
>     Suggested-by: Christoph Hellwig <hch@xxxxxx>
>     Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
>     Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
> 
> Can you try reverting it and see if the problem goes away?
> 
> Yours,
> Linus Walleij

Thanks for the reply !

The problem doesn't go away, it is only delayed.

Will try to find some time to bisect it.

Thanks,
Seraphime Kirkovski