linux-kernel - Re: [PATCH] mm-kasan-dont-vfree-nonexistent-vm

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Message-Id: <20180525204804.3a655370ef4b41e0d96e03f3@linux-foundation.org>
Date:   Fri, 25 May 2018 20:48:04 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     kbuild test robot <lkp@...el.com>
Cc:     Andrey Ryabinin <aryabinin@...tuozzo.com>, kbuild-all@...org,
        Paul Menzel <pmenzel+linux-kasan-dev@...gen.mpg.de>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>, kasan-dev@...glegroups.com,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        stable@...r.kernel.org, Matthew Wilcox <willy@...radead.org>,
        Ian Kent <raven@...maw.net>
Subject: Re: [PATCH] mm-kasan-dont-vfree-nonexistent-vm_area-fix

On Sat, 26 May 2018 11:31:35 +0800 kbuild test robot <lkp@...el.com> wrote:

> Hi Andrey,
> 
> I love your patch! Yet something to improve:
> 
> [auto build test ERROR on mmotm/master]
> [cannot apply to v4.17-rc6]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> 
> url:    https://github.com/0day-ci/linux/commits/Andrey-Ryabinin/mm-kasan-dont-vfree-nonexistent-vm_area-fix/20180526-093255
> base:   git://git.cmpxchg.org/linux-mmotm.git master
> config: sparc-allyesconfig (attached as .config)
> compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
> reproduce:
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         make.cross ARCH=sparc 
> 
> All errors (new ones prefixed by >>):
> 
>    fs/autofs/inode.o: In function `autofs_new_ino':
>    inode.c:(.text+0x220): multiple definition of `autofs_new_ino'
>    fs/autofs/inode.o:inode.c:(.text+0x220): first defined here
>    fs/autofs/inode.o: In function `autofs_clean_ino':
>    inode.c:(.text+0x280): multiple definition of `autofs_clean_ino'
>    fs/autofs/inode.o:inode.c:(.text+0x280): first defined here

There's bot breakage here - clearly that patch didn't cause this error.

Ian, this autofs glitch may still not be fixed.