linux-kernel - Re: mm/vmalloc.c:3689 vread_iter() error: we previously assumed 'vm' could be null (see line 3667)

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Message-ID: <ZTHIBjMAsKxE4EbK@MiWiFi-R3L-srv>
Date:   Fri, 20 Oct 2023 08:21:26 +0800
From:   Baoquan He <bhe@...hat.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Dan Carpenter <dan.carpenter@...aro.org>,
        Philip Li <philip.li@...el.com>, oe-kbuild@...ts.linux.dev,
        Lorenzo Stoakes <lstoakes@...il.com>, lkp@...el.com,
        oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: mm/vmalloc.c:3689 vread_iter() error: we previously assumed 'vm'
 could be null (see line 3667)

On 10/19/23 at 09:50am, Andrew Morton wrote:
> On Thu, 19 Oct 2023 10:28:21 +0800 Baoquan He <bhe@...hat.com> wrote:
> 
> > I think this is not a real runtime bug. The only chance it can hapen is
> > when (flags == VMAP_BLOCK) is true. That has been warned and could never
> > happen. I updated patch log and paste v2 here. 
> 
> Thanks, I updated the changelog in-place.

Thanks, Andrew.