Re: [PATCH 2/2] io_uring: Add KASAN support for alloc_caches

[kernel test robot <lkp@intel.com>]

Hi Breno,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.2 next-20230221]
[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/Breno-Leitao/io_uring-Add-KASAN-support-for-alloc_caches/20230221-220039
patch link:    https://lore.kernel.org/r/20230221135721.3230763-2-leitao%40debian.org
patch subject: [PATCH 2/2] io_uring: Add KASAN support for alloc_caches
config: powerpc-allnoconfig (https://download.01.org/0day-ci/archive/20230222/202302220015.B4dQkwgA-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/d909e43a1659897df77bc1373d3c24cc0d9129cf
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Breno-Leitao/io_uring-Add-KASAN-support-for-alloc_caches/20230221-220039
        git checkout d909e43a1659897df77bc1373d3c24cc0d9129cf
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302220015.B4dQkwgA-lkp@intel.com/

All errors (new ones prefixed by >>):

   io_uring/io_uring.c: In function '__io_submit_flush_completions':
   io_uring/io_uring.c:1502:40: warning: variable 'prev' set but not used [-Wunused-but-set-variable]
    1502 |         struct io_wq_work_node *node, *prev;
         |                                        ^~~~
   io_uring/io_uring.c: In function 'io_uring_acache_free':
>> io_uring/io_uring.c:2781:36: error: invalid application of 'sizeof' to incomplete type 'struct io_async_msghdr'
    2781 |                             sizeof(struct io_async_msghdr));
         |                                    ^~~~~~


vim +2781 io_uring/io_uring.c

  2777	
  2778		io_alloc_cache_free(&ctx->apoll_cache, io_apoll_cache_free,
  2779				    sizeof(struct async_poll));
  2780		io_alloc_cache_free(&ctx->netmsg_cache, io_netmsg_cache_free,
> 2781				    sizeof(struct io_async_msghdr));
  2782	}
  2783	

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