netdev - Re: [PATCH bpf-next 10/21] xsk: support mbuf on ZC RX

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <202305190409.NS3oVtos-lkp@intel.com>
Date: Fri, 19 May 2023 05:06:06 +0800
From: kernel test robot <lkp@...el.com>
To: Maciej Fijalkowski <maciej.fijalkowski@...el.com>, bpf@...r.kernel.org,
	ast@...nel.org, daniel@...earbox.net, andrii@...nel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	netdev@...r.kernel.org, magnus.karlsson@...el.com,
	tirthendu.sarkar@...el.com, maciej.fijalkowski@...el.com,
	bjorn@...nel.org
Subject: Re: [PATCH bpf-next 10/21] xsk: support mbuf on ZC RX

Hi Maciej,

kernel test robot noticed the following build errors:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Maciej-Fijalkowski/xsk-prepare-options-in-xdp_desc-for-multi-buffer-use/20230519-021832
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/20230518180545.159100-11-maciej.fijalkowski%40intel.com
patch subject: [PATCH bpf-next 10/21] xsk: support mbuf on ZC RX
config: arm-randconfig-r025-20230517
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project b0fb98227c90adf2536c9ad644a74d5e92961111)
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
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/intel-lab-lkp/linux/commit/06a192edf0ce0f1394235fbdeff8e5500bf12b6b
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Maciej-Fijalkowski/xsk-prepare-options-in-xdp_desc-for-multi-buffer-use/20230519-021832
        git checkout 06a192edf0ce0f1394235fbdeff8e5500bf12b6b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash net/core/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305190409.NS3oVtos-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from net/core/xdp.c:22:
>> include/net/xdp_sock_drv.h:311:1: error: non-void function does not return a value [-Werror,-Wreturn-type]
   }
   ^
   1 error generated.


vim +311 include/net/xdp_sock_drv.h

   308	
   309	static inline struct xdp_buff *xsk_buff_get_frag(struct xdp_buff *first)
   310	{
 > 311	}
   312	

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

View attachment "config" of type "text/plain" (140994 bytes)