Subject: Re: linux-next test error: BUG: using smp_processor_id() in preemptible [ADDR] code: systemd-rfkill/6728

From: Eric Biggers <[email-masked]>
Date: Thu, 4 Jun 2020 21:12:18 -0700

On Thu, Jun 04, 2020 at 09:02:20PM -0700, Eric Biggers wrote:
> Introduced by:
> 
> commit 42f56b7a4a7db127a9d281da584152dc3d525d25
> Author: Ritesh Harjani <[email-masked]>
> Date:   Wed May 20 12:10:34 2020 +0530
> 
>     ext4: mballoc: introduce pcpu seqcnt for freeing PA to improve ENOSPC handling
> 

Hmm, syzbot reported this several times already.  Marking it as a duplicate
of the report where the discussion happened:

#syz dup: linux-next test error: BUG: using smp_processor_id() in preemptible [ADDR] code: syz-fuzzer/6792

- Eric