linux-kernel - Re: next: BUG: sleeping function called from invalid context at block/blk-sysfs.c:766

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Date:   Fri, 25 Mar 2022 20:21:17 +0000
From:   Eric Biggers <ebiggers@...nel.org>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     linux-block <linux-block@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        lkft-triage@...ts.linaro.org, Jens Axboe <axboe@...nel.dk>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Ming Lei <ming.lei@...hat.com>
Subject: Re: next: BUG: sleeping function called from invalid context at
 block/blk-sysfs.c:766

On Thu, Mar 24, 2022 at 02:04:23PM +0530, Naresh Kamboju wrote:
> While running kselftest zram test cases on Linux next-20220324 the kernel BUG
> reported on arm64 Qcom db845 development board.
> 
> metadata:
>   git_ref: master
>   git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
>   git_sha: b61581ae229d8eb9f21f8753be3f4011f7692384
>   git_describe: next-20220323
>   kernel_version: 5.17.0
>   kernel-config: https://builds.tuxbuild.com/26mKdspULB326eo6s22cXZzYhmt/config

next-20220323 or next-20220324?  Your report is inconsistent.  If it's the
former, I'd guess this was already fixed by:

	commit d578c770c85233af592e54537f93f3831bde7e9a (linux-block/for-5.18/block)
	Author: Ming Lei <ming.lei@...hat.com>
	Date:   Wed Mar 23 09:13:08 2022 +0800

	    block: avoid calling blkg_free() in atomic context