linux-ext4 - Re: [PATCH 1/2] ext4: fix up copying of mount

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Message-ID: <202510291703.2nhl90qz-lkp@intel.com>
Date: Wed, 29 Oct 2025 17:22:26 +0800
From: kernel test robot <lkp@...el.com>
To: Fedor Pchelkin <pchelkin@...ras.ru>, Theodore Ts'o <tytso@....edu>
Cc: oe-kbuild-all@...ts.linux.dev, Fedor Pchelkin <pchelkin@...ras.ru>,
	Andreas Dilger <adilger.kernel@...ger.ca>, Jan Kara <jack@...e.cz>,
	"Darrick J. Wong" <djwong@...nel.org>, linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org, Kees Cook <kees@...nel.org>,
	lvc-project@...uxtesting.org
Subject: Re: [PATCH 1/2] ext4: fix up copying of mount_opts in superblock
 tuning ioctls

Hi Fedor,

kernel test robot noticed the following build errors:

[auto build test ERROR on tytso-ext4/dev]
[also build test ERROR on linus/master v6.18-rc3 next-20251029]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Fedor-Pchelkin/ext4-fix-string-copying-in-parse_apply_sb_mount_options/20251028-211235
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev
patch link:    https://lore.kernel.org/r/20251028130949.599847-1-pchelkin%40ispras.ru
patch subject: [PATCH 1/2] ext4: fix up copying of mount_opts in superblock tuning ioctls
config: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20251029/202510291703.2nhl90qz-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251029/202510291703.2nhl90qz-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202510291703.2nhl90qz-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
>> ./usr/include/linux/ext4.h:141:30: error: expected ':', ',', ';', '}' or '__attribute__' before '__nonstring'
     141 |         __u8  mount_opts[64] __nonstring;
         |                              ^~~~~~~~~~~

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki