[dm-devel] [PATCH 1/2] block: Fix a NULL pointer dereference in generic_make_request()

[Guilherme G. Piccoli]

On Fri, May 17, 2019 at 12:33 AM Eric Ren <renzhengeek at gmail.com> wrote:
>
> Hello,
> [...]
> Thanks for the bugfix. I also had a panic having very similar
> calltrace below as this one,
> when using devicemapper in container scenario and deleting many thin
> snapshots by dmsetup
> remove_all -f, meanwhile executing lvm command like vgs.
>
> After applied this one, my testing doesn't crash kernel any more for
> one week.  Could the block
> developers please give more feedback/priority on this one?
>

Thanks Eric, for the testing! I think you could send your Tested-by[0]
tag, which could be added
in the patch before merge. It's good to know the patch helped somebody
and your testing improves
confidence in the change.

Cheers,


Guilherme

[0] https://www.kernel.org/doc/html/latest/process/submitting-patches.html#using-reported-by-tested-by-reviewed-by-suggested-by-and-fixes