Re: [PATCH v2 0/3] blk-cgroup: some cleanup

From: Jens Axboe
Date: Fri Apr 07 2023 - 14:45:00 EST


On 4/7/23 12:41 PM, Bart Van Assche wrote:
> On 4/6/23 07:50, Chengming Zhou wrote:
>> These are some cleanup patches of blk-cgroup. Thanks for review.
>
> With these patches applied, my kernel test VM crashes during boot. The following crash disappears if I revert these patches:
>
> BUG: KASAN: null-ptr-deref in bio_associate_blkg_from_css+0x83/0x240

Would be useful in the report to know where that is, as it doesn't include
the code output.

--
Jens Axboe