Hi Zhao, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 4dc4cec05b40921a3db85d24f97f1142272e4abf commit: 6636f4434a9c5c9c645694db206188ee5a6626dd [1356/1356] ext4: report error to userspace by netlink config: x86_64-buildonly-randconfig-003-20241228 (https://download.01.org/0day-ci/archive/20241231/202412310428.apoNWdMg-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/20241231/202412310428.apoNWdMg-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/202412310428.apoNWdMg-lkp@intel.com/ All errors (new ones prefixed by >>):

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ERROR: "netlink_kernel_release" [fs/ext4/ext4.ko] undefined! ERROR: "init_net" [fs/ext4/ext4.ko] undefined! ERROR: "__alloc_skb" [fs/ext4/ext4.ko] undefined! ERROR: "netlink_broadcast" [fs/ext4/ext4.ko] undefined! ERROR: "kfree_skb" [fs/ext4/ext4.ko] undefined! ERROR: "__netlink_kernel_create" [fs/ext4/ext4.ko] undefined! ERROR: "__nlmsg_put" [fs/ext4/ext4.ko] undefined!

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