* Re: [PATCH v1 bpf] bpf: Free reuseport cBPF prog after RCU grace period.
[not found] <20260424235247.1990272-1-kuniyu@google.com>
@ 2026-05-07 1:40 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-05-07 1:40 UTC (permalink / raw)
To: Kuniyuki Iwashima, Martin KaFai Lau, Alexei Starovoitov,
Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman,
Kumar Kartikeya Dwivedi
Cc: llvm, oe-kbuild-all, Kuniyuki Iwashima, bpf, netdev, Eulgyu Kim
Hi Kuniyuki,
kernel test robot noticed the following build errors:
[auto build test ERROR on bpf/master]
url: https://github.com/intel-lab-lkp/linux/commits/Kuniyuki-Iwashima/bpf-Free-reuseport-cBPF-prog-after-RCU-grace-period/20260425-093050
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git master
patch link: https://lore.kernel.org/r/20260424235247.1990272-1-kuniyu%40google.com
patch subject: [PATCH v1 bpf] bpf: Free reuseport cBPF prog after RCU grace period.
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260507/202605070321.vVxQf7dU-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260507/202605070321.vVxQf7dU-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605070321.vVxQf7dU-lkp@intel.com/
All errors (new ones prefixed by >>):
>> net/core/filter.c:1666:6: error: conflicting types for 'sk_reuseport_prog_free'
1666 | void sk_reuseport_prog_free(struct bpf_prog *prog, bool wait_rcu)
| ^
include/linux/filter.h:1146:6: note: previous declaration is here
1146 | void sk_reuseport_prog_free(struct bpf_prog *prog);
| ^
1 error generated.
vim +/sk_reuseport_prog_free +1666 net/core/filter.c
1665
> 1666 void sk_reuseport_prog_free(struct bpf_prog *prog, bool wait_rcu)
1667 {
1668 if (!prog)
1669 return;
1670
1671 if (bpf_prog_was_classic(prog))
1672 call_rcu(&prog->aux->rcu, sk_reuseport_prog_free_rcu);
1673 else
1674 bpf_prog_put(prog);
1675 }
1676
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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