* Re: [PATCH] bpf: use FS_USERNS_DELEGATABLE for bpffs
[not found] <20260205104541.171034-1-alexander@mihalicyn.com>
@ 2026-02-05 17:58 ` kernel test robot
2026-02-05 21:43 ` kernel test robot
1 sibling, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-02-05 17:58 UTC (permalink / raw)
To: Alexander Mikhalitsyn, ast
Cc: llvm, oe-kbuild-all, Daniel Borkmann, Andrii Nakryiko,
Martin KaFai Lau, Eduard Zingerman, Song Liu, Yonghong Song,
John Fastabend, KP Singh, Stanislav Fomichev, Hao Luo, Jiri Olsa,
Jeff Layton, Christian Brauner, bpf, linux-fsdevel, linux-kernel,
Alexander Mikhalitsyn
Hi Alexander,
kernel test robot noticed the following build errors:
[auto build test ERROR on bpf-next/net]
[also build test ERROR on bpf-next/master bpf/master brauner-vfs/vfs.all linus/master v6.19-rc8 next-20260205]
[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/Alexander-Mikhalitsyn/bpf-use-FS_USERNS_DELEGATABLE-for-bpffs/20260205-184845
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git net
patch link: https://lore.kernel.org/r/20260205104541.171034-1-alexander%40mihalicyn.com
patch subject: [PATCH] bpf: use FS_USERNS_DELEGATABLE for bpffs
config: i386-buildonly-randconfig-002-20260205 (https://download.01.org/0day-ci/archive/20260206/202602060128.qfggT7Pd-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/20260206/202602060128.qfggT7Pd-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/202602060128.qfggT7Pd-lkp@intel.com/
All errors (new ones prefixed by >>):
>> kernel/bpf/inode.c:1084:14: error: use of undeclared identifier 'FS_USERNS_DELEGATABLE'; did you mean 'CFTYPE_NS_DELEGATABLE'?
1084 | .fs_flags = FS_USERNS_DELEGATABLE,
| ^~~~~~~~~~~~~~~~~~~~~
| CFTYPE_NS_DELEGATABLE
include/linux/cgroup-defs.h:137:2: note: 'CFTYPE_NS_DELEGATABLE' declared here
137 | CFTYPE_NS_DELEGATABLE = (1 << 2), /* writeable beyond delegation boundaries */
| ^
1 error generated.
vim +1084 kernel/bpf/inode.c
1077
1078 static struct file_system_type bpf_fs_type = {
1079 .owner = THIS_MODULE,
1080 .name = "bpf",
1081 .init_fs_context = bpf_init_fs_context,
1082 .parameters = bpf_fs_parameters,
1083 .kill_sb = bpf_kill_super,
> 1084 .fs_flags = FS_USERNS_DELEGATABLE,
1085 };
1086
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] bpf: use FS_USERNS_DELEGATABLE for bpffs
[not found] <20260205104541.171034-1-alexander@mihalicyn.com>
2026-02-05 17:58 ` [PATCH] bpf: use FS_USERNS_DELEGATABLE for bpffs kernel test robot
@ 2026-02-05 21:43 ` kernel test robot
1 sibling, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-02-05 21:43 UTC (permalink / raw)
To: Alexander Mikhalitsyn, ast
Cc: llvm, oe-kbuild-all, Daniel Borkmann, Andrii Nakryiko,
Martin KaFai Lau, Eduard Zingerman, Song Liu, Yonghong Song,
John Fastabend, KP Singh, Stanislav Fomichev, Hao Luo, Jiri Olsa,
Jeff Layton, Christian Brauner, bpf, linux-fsdevel, linux-kernel,
Alexander Mikhalitsyn
Hi Alexander,
kernel test robot noticed the following build errors:
[auto build test ERROR on bpf-next/net]
[also build test ERROR on bpf-next/master bpf/master brauner-vfs/vfs.all linus/master v6.16-rc1 next-20260205]
[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/Alexander-Mikhalitsyn/bpf-use-FS_USERNS_DELEGATABLE-for-bpffs/20260205-184845
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git net
patch link: https://lore.kernel.org/r/20260205104541.171034-1-alexander%40mihalicyn.com
patch subject: [PATCH] bpf: use FS_USERNS_DELEGATABLE for bpffs
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260205/202602052225.8AVOJuNQ-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/20260205/202602052225.8AVOJuNQ-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/202602052225.8AVOJuNQ-lkp@intel.com/
All errors (new ones prefixed by >>):
>> kernel/bpf/inode.c:1084:14: error: use of undeclared identifier 'FS_USERNS_DELEGATABLE'; did you mean 'CFTYPE_NS_DELEGATABLE'?
1084 | .fs_flags = FS_USERNS_DELEGATABLE,
| ^~~~~~~~~~~~~~~~~~~~~
| CFTYPE_NS_DELEGATABLE
include/linux/cgroup-defs.h:137:2: note: 'CFTYPE_NS_DELEGATABLE' declared here
137 | CFTYPE_NS_DELEGATABLE = (1 << 2), /* writeable beyond delegation boundaries */
| ^
1 error generated.
vim +1084 kernel/bpf/inode.c
1077
1078 static struct file_system_type bpf_fs_type = {
1079 .owner = THIS_MODULE,
1080 .name = "bpf",
1081 .init_fs_context = bpf_init_fs_context,
1082 .parameters = bpf_fs_parameters,
1083 .kill_sb = bpf_kill_super,
> 1084 .fs_flags = FS_USERNS_DELEGATABLE,
1085 };
1086
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread