linux-kernel - Re: [linux-next:master] [ipc/shm] da74b30c77: BUG:kernel_NULL_pointer

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Message-ID: <Y3Q+yAvwfseNPuD9@monkey>
Date:   Tue, 15 Nov 2022 17:37:12 -0800
From:   Mike Kravetz <mike.kravetz@...cle.com>
To:     kernel test robot <oliver.sang@...el.com>
Cc:     oe-lkp@...ts.linux.dev, lkp@...el.com,
        Andrew Morton <akpm@...ux-foundation.org>,
        Doug Nelson <doug.nelson@...el.com>,
        Alexander Mikhalitsyn <alexander.mikhalitsyn@...tuozzo.com>,
        "Eric W . Biederman" <ebiederm@...ssion.com>,
        Manfred Spraul <manfred@...orfullife.com>,
        Matthew Wilcox <willy@...radead.org>,
        Miaohe Lin <linmiaohe@...wei.com>,
        Michal Hocko <mhocko@...e.com>,
        Linux Memory Management List <linux-mm@...ck.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [linux-next:master] [ipc/shm]  da74b30c77:
 BUG:kernel_NULL_pointer_dereference,address

On 11/16/22 09:24, kernel test robot wrote:
> 
> 
> Greeting,
> 
> FYI, we noticed BUG:kernel_NULL_pointer_dereference,address due to commit (built with gcc-11):
> 
> commit: da74b30c774a4a0c62fc3dc2b95a8a3a34a48c23 ("ipc/shm: call underlying open/close vm_ops")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
> 

This should be addressed in the updated version of the patch.  Commit
2d68cf69b8421542184b313f9b87ba14fea9fc4e in next-20221115.

-- 
Mike Kravetz