linux-kernel - Re: [kbuild-all] 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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Date:   Thu, 26 Aug 2021 08:32:42 +0800
From:   Rong Chen <rong.a.chen@...el.com>
To:     Christian Brauner <christian.brauner@...ntu.com>,
        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: [kbuild-all] 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 8/25/21 4:20 PM, Christian Brauner wrote:
> 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 Thanks for the report but this is outdated and requires a patch that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

Hi Christian,

Thanks for the advice, we'll send the reports to the tree's owner (Steve 
French) next time.

Best Regards,
Rong Chen