linux-kernel - Re: [smfrench-smb3-kernel:pr/65 143/143] fs/ksmbd/smb2pdu.c:5640:6: warning: variable 'user_ns' is used uninitialized whenever 'if' condition is true

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Message-ID: <20210825082037.iuy5gndi4n2uyep7@wittgenstein>
Date:   Wed, 25 Aug 2021 10:20:37 +0200
From:   Christian Brauner <christian.brauner@...ntu.com>
To:     kernel test robot <lkp@...el.com>
Cc:     clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Namjae Jeon <namjae.jeon@...sung.com>,
        Steve French <stfrench@...rosoft.com>
Subject: Re: [smfrench-smb3-kernel:pr/65 143/143] fs/ksmbd/smb2pdu.c:5640:6:
 warning: variable 'user_ns' is used uninitialized whenever 'if' condition is
 true

On Wed, Aug 25, 2021 at 03:14:01PM +0800, kernel test robot wrote:
> tree:   git://github.com/smfrench/smb3-kernel.git pr/65
> head:   4b499755e1024f97e75411920a404b357af6e153
> commit: 4b499755e1024f97e75411920a404b357af6e153 [143/143] ksmbd: fix lookup on idmapped mounts
> config: hexagon-randconfig-r041-20210824 (attached as .config)
> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d26000e4cc2bc65e207a84fa26cb6e374d60aa12)
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://github.com/smfrench/smb3-kernel/commit/4b499755e1024f97e75411920a404b357af6e153
>         git remote add smfrench-smb3-kernel git://github.com/smfrench/smb3-kernel.git
>         git fetch --no-tags smfrench-smb3-kernel pr/65
>         git checkout 4b499755e1024f97e75411920a404b357af6e153
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=hexagon 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>

Thanks for the report but this is outdated and requires a patch that
sits in David Sterba's for-next tree. So this is safe to ignore.
Feels like this probably should only go to the authors, kbuild-all and
clang-built-linux lists similar to what the intel built bot does.
Otherwise this generates a lot of unneeded noise. Just my 2 cents.

Christian