Re: [PATCH] ext4: check if offset+length is within a valid range in fallocate

From: Tadeusz Struk <tadeusz.struk@linaro.org>
To: kernel test robot <lkp@intel.com>, Theodore Ts'o <tytso@mit.edu>
Cc: kbuild-all@lists.01.org,
	Andreas Dilger <adilger.kernel@dilger.ca>,
	Ritesh Harjani <riteshh@linux.ibm.com>,
	linux-ext4@vger.kernel.org, stable@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	syzbot+7a806094edd5d07ba029@syzkaller.appspotmail.com
Subject: Re: [PATCH] ext4: check if offset+length is within a valid range in fallocate
Date: Tue, 15 Mar 2022 19:14:21 -0700	[thread overview]
Message-ID: <7c235bfa-d0c3-dd41-e8b2-746ce69fee1f@linaro.org> (raw)
In-Reply-To: <202203160919.MtfBk5N0-lkp@intel.com>

On 3/15/22 18:22, kernel test robot wrote:
> Hi Tadeusz,
> 
> Thank you for the patch! Yet something to improve:
> 
> [auto build test ERROR on tytso-ext4/dev]
> [also build test ERROR on linus/master v5.17-rc8 next-20220315]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
> 
> url:https://github.com/0day-ci/linux/commits/Tadeusz-Struk/ext4-check-if-offset-length-is-within-a-valid-range-in-fallocate/20220316-031841
> base:https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git  dev
> config: arc-randconfig-r043-20220313 (https://download.01.org/0day-ci/archive/20220316/202203160919.MtfBk5N0-lkp@intel.com/config)
> compiler: arc-elf-gcc (GCC) 11.2.0
> reproduce (this is a W=1 build):
>          wgethttps://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross  -O ~/bin/make.cross
>          chmod +x ~/bin/make.cross
>          #https://github.com/0day-ci/linux/commit/bc1fdc20f07523e970c9dea4f0fbabbc437fb0d5
>          git remote add linux-reviewhttps://github.com/0day-ci/linux
>          git fetch --no-tags linux-review Tadeusz-Struk/ext4-check-if-offset-length-is-within-a-valid-range-in-fallocate/20220316-031841
>          git checkout bc1fdc20f07523e970c9dea4f0fbabbc437fb0d5
>          # save the config file to linux build tree
>          mkdir build_dir
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash fs/
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot<lkp@intel.com>
> 
> All errors (new ones prefixed by >>):
> 
>     fs/ext4/inode.c: In function 'ext4_punch_hole':
>>> fs/ext4/inode.c:4002:50: error: 'struct ext4_sb_info' has no member named 's_blocksize'
>      4002 |         max_length = sbi->s_bitmap_maxbytes - sbi->s_blocksize;
>           |                                                  ^~

Thanks for report, but I've already sent v2:
https://lore.kernel.org/linux-ext4/20220315215439.269122-1-tadeusz.struk@linaro.org

-- 
Thanks,
Tadeusz