Hi Zhao, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: f49b713adeb7d09d40da433b7700b1666a7d6e32 commit: 6636f4434a9c5c9c645694db206188ee5a6626dd [1297/1297] ext4: report error to userspace by netlink config: x86_64-buildonly-randconfig-005-20241117 (https://download.01.org/0day-ci/archive/20241121/202411210950.bzCekRiW-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241121/202411210950.bzCekRiW-lkp@i...) 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/202411210950.bzCekRiW-lkp@intel.com/ All errors (new ones prefixed by >>): ld: warning: arch/x86/lib/csum-copy_64.o: missing .note.GNU-stack section implies executable stack ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker ld: warning: arch/x86/lib/csum-copy_64.o: missing .note.GNU-stack section implies executable stack ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker ld: warning: .tmp_vmlinux1 has a LOAD segment with RWX permissions ld: fs/ext4/super.o: in function `ext4_netlink_send_info.part.0':

...

super.c:(.text+0x1c3cd): undefined reference to `__alloc_skb' ld: super.c:(.text+0x1c456): undefined reference to `__nlmsg_put' ld: super.c:(.text+0x1c422): undefined reference to `kfree_skb' ld: super.c:(.text+0x1c50f): undefined reference to `netlink_broadcast' ld: fs/ext4/super.o: in function `ext4_init_fs': super.c:(.init.text+0x46ef): undefined reference to `init_net' ld: super.c:(.init.text+0x46f9): undefined reference to `__netlink_kernel_create' ld: fs/ext4/super.o: in function `ext4_exit_fs': super.c:(.exit.text+0x65): undefined reference to `netlink_kernel_release'

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