Hi Michal, kernel test robot noticed the following build errors: [auto build test ERROR on dd83757f6e686a2188997cb58b5975f744bb7786] url: https://github.com/intel-lab-lkp/linux/commits/Michal-Koutn/netfilter-Make-xt_cgroup-independent-from-net_cls/20250301-005409 base: dd83757f6e686a2188997cb58b5975f744bb7786 patch link: https://lore.kernel.org/r/20250228165216.339407-1-mkoutny%40suse.com patch subject: [PATCH] netfilter: Make xt_cgroup independent from net_cls config: arm-omap2plus_defconfig (https://download.01.org/0day-ci/archive/20250304/202503041133.n9Zlxnda-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250304/202503041133.n9Zlxnda-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202503041133.n9Zlxnda-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): net/netfilter/xt_cgroup.c: In function 'cgroup_mt_v0': net/netfilter/xt_cgroup.c:132:29: error: implicit declaration of function 'sock_cgroup_classid' [-Wimplicit-function-declaration] 132 | return (info->id == sock_cgroup_classid(&skb->sk->sk_cgrp_data)) ^ | ^~~~~~~~~~~~~~~~~~~ net/netfilter/xt_cgroup.c: In function 'cgroup_mt_v1': net/netfilter/xt_cgroup.c:147:45: error: implicit declaration of function 'sock_cgroup_ptr'; did you mean 'obj_cgroup_put'? [-Wimplicit-function-declaration] 147 | return cgroup_is_descendant(sock_cgroup_ptr(skcd), ancestor) ^ | ^~~~~~~~~~~~~~~ | obj_cgroup_put >> net/netfilter/xt_cgroup.c:147:45: error: passing argument 1 of 'cgroup_is_descendant' makes pointer from integer without a cast [-Wint-conversion] 147 | return cgroup_is_descendant(sock_cgroup_ptr(skcd), ancestor) ^ | ^~~~~~~~~~~~~~~~~~~~~ | | | int In file included from include/net/netprio_cgroup.h:11, from include/linux/netdevice.h:42, from include/linux/netfilter/x_tables.h:6, from net/netfilter/xt_cgroup.c:16: include/linux/cgroup.h:511:56: note: expected 'struct cgroup *' but argument is of type 'int' 511 | static inline bool cgroup_is_descendant(struct cgroup *cgrp, | ~~~~~~~~~~~~~~~^~~~ net/netfilter/xt_cgroup.c: In function 'cgroup_mt_v2': net/netfilter/xt_cgroup.c:165:45: error: passing argument 1 of 'cgroup_is_descendant' makes pointer from integer without a cast [-Wint-conversion] 165 | return cgroup_is_descendant(sock_cgroup_ptr(skcd), ancestor) ^ | ^~~~~~~~~~~~~~~~~~~~~ | | | int include/linux/cgroup.h:511:56: note: expected 'struct cgroup *' but argument is of type 'int' 511 | static inline bool cgroup_is_descendant(struct cgroup *cgrp, | ~~~~~~~~~~~~~~~^~~~ vim +/cgroup_is_descendant +147 net/netfilter/xt_cgroup.c 82a37132f300ea Daniel Borkmann 2013-12-29 135 c38c4597e4bf3e Tejun Heo 2015-12-07 136 static bool cgroup_mt_v1(const struct sk_buff *skb, struct xt_action_param *par) c38c4597e4bf3e Tejun Heo 2015-12-07 137 { c38c4597e4bf3e Tejun Heo 2015-12-07 138 const struct xt_cgroup_info_v1 *info = par->matchinfo; c38c4597e4bf3e Tejun Heo 2015-12-07 139 struct sock_cgroup_data *skcd = &skb->sk->sk_cgrp_data; c38c4597e4bf3e Tejun Heo 2015-12-07 140 struct cgroup *ancestor = info->priv; f564650106a6e8 Flavio Leitner 2018-06-27 141 struct sock *sk = skb->sk; c38c4597e4bf3e Tejun Heo 2015-12-07 142 f564650106a6e8 Flavio Leitner 2018-06-27 143 if (!sk || !sk_fullsock(sk) || !net_eq(xt_net(par), sock_net(sk))) c38c4597e4bf3e Tejun Heo 2015-12-07 144 return false; c38c4597e4bf3e Tejun Heo 2015-12-07 145 c38c4597e4bf3e Tejun Heo 2015-12-07 146 if (ancestor) c38c4597e4bf3e Tejun Heo 2015-12-07 @147 return cgroup_is_descendant(sock_cgroup_ptr(skcd), ancestor) ^ c38c4597e4bf3e Tejun Heo 2015-12-07 148 info->invert_path; c38c4597e4bf3e Tejun Heo 2015-12-07 149 else c38c4597e4bf3e Tejun Heo 2015-12-07 150 return (info->classid == sock_cgroup_classid(skcd)) ^ c38c4597e4bf3e Tejun Heo 2015-12-07 151 info->invert_classid; c38c4597e4bf3e Tejun Heo 2015-12-07 152 } c38c4597e4bf3e Tejun Heo 2015-12-07 153 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki