tree: https://android.googlesource.com/kernel/common android13-5.15 head: 5accf461081229ed3cc9f4bc223cea1af9e3fc32 commit: 8c288004aa224c6bc1c1b8b623181b5fa1f346fb [1/4] FROMLIST: Add flags option to get xattr method paired to __vfs_getxattr config: i386-buildonly-randconfig-r005-20211118 (attached as .config) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android13-5.15 git checkout 8c288004aa224c6bc1c1b8b623181b5fa1f346fb # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from net/sched/cls_flow.c:17: In file included from include/linux/ipv6.h:92: In file included from include/linux/tcp.h:19: In file included from include/net/sock.h:46: In file included from include/linux/netdevice.h:45: In file included from include/uapi/linux/neighbour.h:6: In file included from include/linux/netlink.h:9: In file included from include/net/scm.h:8: include/linux/security.h:899:39: error: too few arguments to function call, expected 2, have 1 return cap_inode_need_killpriv(dentry); ~~~~~~~~~~~~~~~~~~~~~~~ ^ include/linux/security.h:153:5: note: 'cap_inode_need_killpriv' declared here int cap_inode_need_killpriv(struct user_namespace *mnt_userns, ^ return (a & 0xFFFFFFFF) ^ (BITS_PER_LONG > 32 ? a >> 32 : 0); ^ ~~ 1 warning and 1 error generated. vim +63 net/sched/cls_flow.c e5dfb815181fcb Patrick McHardy 2008-01-31 58 e5dfb815181fcb Patrick McHardy 2008-01-31 59 static inline u32 addr_fold(void *addr) e5dfb815181fcb Patrick McHardy 2008-01-31 60 { e5dfb815181fcb Patrick McHardy 2008-01-31 61 unsigned long a = (unsigned long)addr; e5dfb815181fcb Patrick McHardy 2008-01-31 62 e5dfb815181fcb Patrick McHardy 2008-01-31 @63 return (a & 0xFFFFFFFF) ^ (BITS_PER_LONG > 32 ? a >> 32 : 0); e5dfb815181fcb Patrick McHardy 2008-01-31 64 } e5dfb815181fcb Patrick McHardy 2008-01-31 65 :::::: The code at line 63 was first introduced by commit :::::: e5dfb815181fcb186d6080ac3a091eadff2d98fe [NET_SCHED]: Add flow classifier :::::: TO: Patrick McHardy <kaber(a)trash.net&gt; :::::: CC: David S. Miller <davem(a)davemloft.net&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org