netdev - Re: [PATCH bpf v4 07/12] bpf: sockmap incorrectly handling copied

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] [day] [month] [year] [list]

Date:   Thu, 6 Apr 2023 09:26:52 +0800
From:   kernel test robot <lkp@...el.com>
To:     John Fastabend <john.fastabend@...il.com>, jakub@...udflare.com,
        daniel@...earbox.net, edumazet@...gle.com
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        john.fastabend@...il.com, bpf@...r.kernel.org,
        netdev@...r.kernel.org, ast@...nel.org, andrii@...nel.org,
        will@...valent.com
Subject: Re: [PATCH bpf v4 07/12] bpf: sockmap incorrectly handling copied_seq

Hi John,

kernel test robot noticed the following build errors:

[auto build test ERROR on bpf/master]

url:    https://github.com/intel-lab-lkp/linux/commits/John-Fastabend/bpf-sockmap-pass-skb-ownership-through-read_skb/20230406-061159
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git master
patch link:    https://lore.kernel.org/r/20230405220904.153149-8-john.fastabend%40gmail.com
patch subject: [PATCH bpf v4 07/12] bpf: sockmap incorrectly handling copied_seq
config: hexagon-randconfig-r045-20230403 (https://download.01.org/0day-ci/archive/20230406/202304060904.QIeejeZ5-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
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/dc5529fda29b6c2077f7da535a3f902a4dc3dfa9
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review John-Fastabend/bpf-sockmap-pass-skb-ownership-through-read_skb/20230406-061159
        git checkout dc5529fda29b6c2077f7da535a3f902a4dc3dfa9
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304060904.QIeejeZ5-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: tcp_eat_skb
   >>> referenced by skmsg.c:1062 (net/core/skmsg.c:1062)
   >>>               net/core/skmsg.o:(sk_psock_verdict_recv) in archive vmlinux.a
   >>> referenced by skmsg.c:1062 (net/core/skmsg.c:1062)
   >>>               net/core/skmsg.o:(sk_psock_verdict_recv) in archive vmlinux.a
   >>> referenced by skmsg.c:1056 (net/core/skmsg.c:1056)
   >>>               net/core/skmsg.o:(sk_psock_verdict_recv) in archive vmlinux.a
   >>> referenced 3 more times

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