linux-kernel - Error: failed to link '/no_alu32/linked

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Message-ID: <202106232149.OPmQXyBO-lkp@intel.com>
Date:   Wed, 23 Jun 2021 21:29:56 +0800
From:   kernel test robot <lkp@...el.com>
To:     Andrii Nakryiko <andrii@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Alexei Starovoitov <ast@...nel.org>
Subject: Error: failed to link '/no_alu32/linked_vars1.o': Unknown error -2
 (-2)

Hi Andrii,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0c18f29aae7ce3dadd26d8ee3505d07cc982df75
commit: 14f1aae17ee13d08315873d4b68d573e91df892f selftests/bpf: Add global variables linking selftest
date:   9 weeks ago
config: x86_64-rhel-8.3-kselftests (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=14f1aae17ee13d08315873d4b68d573e91df892f
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 14f1aae17ee13d08315873d4b68d573e91df892f
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   libbpf: failed to find BTF info for global/extern symbol 'input_rodata_weak'
>> Error: failed to link '/no_alu32/linked_vars1.o': Unknown error -2 (-2)

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (41582 bytes)