tree: git://git.infradead.org/users/hch/misc.git sockopt-cleanups head: c7b33f366ac60f1213a4ff71675dc62c56f171d3 commit: 24541f10128971b7634776778bce4c6b5c8d7e10 [21/22] net/ipv6: remove compat_ipv6_{get,set}sockopt config: openrisc-randconfig-s031-20200717 (attached as .config) compiler: or1k-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.2-49-g707c5017-dirty git checkout 24541f10128971b7634776778bce4c6b5c8d7e10 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=openrisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) net/ipv6/ipv6_sockglue.c:331:29: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user * @@ net/ipv6/ipv6_sockglue.c:331:29: sparse: expected int const *__gu_addr net/ipv6/ipv6_sockglue.c:331:29: sparse: got int [noderef] __user * net/ipv6/ipv6_sockglue.c:1059:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv6/ipv6_sockglue.c:1059:21: sparse: expected int *__pu_addr net/ipv6/ipv6_sockglue.c:1059:21: sparse: got int [noderef] __user *optlen net/ipv6/ipv6_sockglue.c:1077:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *optlen @@ net/ipv6/ipv6_sockglue.c:1077:13: sparse: expected int const *__gu_addr net/ipv6/ipv6_sockglue.c:1077:13: sparse: got int [noderef] __user *optlen net/ipv6/ipv6_sockglue.c:1100:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv6/ipv6_sockglue.c:1100:13: sparse: expected int *__pu_addr net/ipv6/ipv6_sockglue.c:1100:13: sparse: got int [noderef] __user *optlen net/ipv6/ipv6_sockglue.c:1101:13: sparse: got unsigned int [noderef] __user * net/ipv6/ipv6_sockglue.c:1102:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int *__pu_addr @@ got unsigned int [noderef] __user * @@ net/ipv6/ipv6_sockglue.c:1102:13: sparse: expected unsigned int *__pu_addr net/ipv6/ipv6_sockglue.c:1102:13: sparse: got unsigned int [noderef] __user * net/ipv6/ipv6_sockglue.c:1117:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *optlen @@ net/ipv6/ipv6_sockglue.c:1117:13: sparse: expected int const *__gu_addr net/ipv6/ipv6_sockglue.c:1117:13: sparse: got int [noderef] __user *optlen net/ipv6/ipv6_sockglue.c:1141:33: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *msg_control @@ got char [noderef] __user *optval @@ net/ipv6/ipv6_sockglue.c:1141:33: sparse: expected void *msg_control net/ipv6/ipv6_sockglue.c:1141:33: sparse: got char [noderef] __user *optval net/ipv6/ipv6_sockglue.c:1187:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv6/ipv6_sockglue.c:1187:24: sparse: expected int *__pu_addr net/ipv6/ipv6_sockglue.c:1187:24: sparse: got int [noderef] __user *optlen net/ipv6/ipv6_sockglue.c:1247:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv6/ipv6_sockglue.c:1247:24: sparse: expected int *__pu_addr net/ipv6/ipv6_sockglue.c:1247:24: sparse: got int [noderef] __user *optlen net/ipv6/ipv6_sockglue.c:1301:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv6/ipv6_sockglue.c:1301:21: sparse: expected int *__pu_addr net/ipv6/ipv6_sockglue.c:1301:21: sparse: got int [noderef] __user *optlen net/ipv6/ipv6_sockglue.c:1395:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv6/ipv6_sockglue.c:1395:21: sparse: expected int *__pu_addr net/ipv6/ipv6_sockglue.c:1395:21: sparse: got int [noderef] __user *optlen net/ipv6/ipv6_sockglue.c:1445:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv6/ipv6_sockglue.c:1445:13: sparse: expected int *__pu_addr net/ipv6/ipv6_sockglue.c:1445:13: sparse: got int [noderef] __user *optlen arch/openrisc/include/asm/cmpxchg.h:101:29: sparse: sparse: shift too big (32) for type int arch/openrisc/include/asm/cmpxchg.h:101:29: sparse: sparse: shift too big (32) for type int arch/openrisc/include/asm/cmpxchg.h:101:29: sparse: sparse: shift too big (32) for type int arch/openrisc/include/asm/cmpxchg.h:101:29: sparse: sparse: shift too big (32) for type int include/linux/uaccess.h:131:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *to @@ got void [noderef] __user *to @@ include/linux/uaccess.h:131:38: sparse: expected void *to include/linux/uaccess.h:131:38: sparse: got void [noderef] __user *to include/linux/uaccess.h:131:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void const *from @@ include/linux/uaccess.h:131:42: sparse: expected void const [noderef] __user *from include/linux/uaccess.h:131:42: sparse: got void const *from arch/openrisc/include/asm/uaccess.h:246:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *from @@ got void const [noderef] __user *from @@ arch/openrisc/include/asm/uaccess.h:246:55: sparse: expected void const *from arch/openrisc/include/asm/uaccess.h:246:55: sparse: got void const [noderef] __user *from include/linux/uaccess.h:131:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *to @@ got void [noderef] __user *to @@ include/linux/uaccess.h:131:38: sparse: expected void *to include/linux/uaccess.h:131:38: sparse: got void [noderef] __user *to include/linux/uaccess.h:131:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void const *from @@ include/linux/uaccess.h:131:42: sparse: expected void const [noderef] __user *from include/linux/uaccess.h:131:42: sparse: got void const *from arch/openrisc/include/asm/uaccess.h:246:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *from @@ got void const [noderef] __user *from @@ arch/openrisc/include/asm/uaccess.h:246:55: sparse: expected void const *from arch/openrisc/include/asm/uaccess.h:246:55: sparse: got void const [noderef] __user *from include/linux/uaccess.h:131:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *to @@ got void [noderef] __user *to @@ include/linux/uaccess.h:131:38: sparse: expected void *to include/linux/uaccess.h:131:38: sparse: got void [noderef] __user *to include/linux/uaccess.h:131:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void const *from @@ include/linux/uaccess.h:131:42: sparse: expected void const [noderef] __user *from include/linux/uaccess.h:131:42: sparse: got void const *from arch/openrisc/include/asm/uaccess.h:246:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *from @@ got void const [noderef] __user *from @@ arch/openrisc/include/asm/uaccess.h:246:55: sparse: expected void const *from arch/openrisc/include/asm/uaccess.h:246:55: sparse: got void const [noderef] __user *from include/linux/uaccess.h:131:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *to @@ got void [noderef] __user *to @@ include/linux/uaccess.h:131:38: sparse: expected void *to include/linux/uaccess.h:131:38: sparse: got void [noderef] __user *to include/linux/uaccess.h:131:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void const *from @@ include/linux/uaccess.h:131:42: sparse: expected void const [noderef] __user *from include/linux/uaccess.h:131:42: sparse: got void const *from arch/openrisc/include/asm/uaccess.h:246:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *from @@ got void const [noderef] __user *from @@ arch/openrisc/include/asm/uaccess.h:246:55: sparse: expected void const *from arch/openrisc/include/asm/uaccess.h:246:55: sparse: got void const [noderef] __user *from include/linux/uaccess.h:131:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *to @@ got void [noderef] __user *to @@ include/linux/uaccess.h:131:38: sparse: expected void *to include/linux/uaccess.h:131:38: sparse: got void [noderef] __user *to include/linux/uaccess.h:131:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void const *from @@ include/linux/uaccess.h:131:42: sparse: expected void const [noderef] __user *from include/linux/uaccess.h:131:42: sparse: got void const *from arch/openrisc/include/asm/uaccess.h:246:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *from @@ got void const [noderef] __user *from @@ arch/openrisc/include/asm/uaccess.h:246:55: sparse: expected void const *from arch/openrisc/include/asm/uaccess.h:246:55: sparse: got void const [noderef] __user *from vim +1101 net/ipv6/ipv6_sockglue.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 1066 f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1067 static int compat_ipv6_get_msfilter(struct sock *sk, void __user *optval, f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1068 int __user *optlen) f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1069 { f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1070 const int size0 = offsetof(struct compat_group_filter, gf_slist); f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1071 struct compat_group_filter __user *p = optval; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1072 struct compat_group_filter gf32; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1073 struct group_filter gf; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1074 int len, err; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1075 int num; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1076 f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1077 if (get_user(len, optlen)) f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1078 return -EFAULT; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1079 if (len < size0) f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1080 return -EINVAL; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1081 f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1082 if (copy_from_user(&gf32, p, size0)) f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1083 return -EFAULT; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1084 gf.gf_interface = gf32.gf_interface; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1085 gf.gf_fmode = gf32.gf_fmode; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1086 num = gf.gf_numsrc = gf32.gf_numsrc; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1087 gf.gf_group = gf32.gf_group; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1088 f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1089 if (gf.gf_group.ss_family != AF_INET6) f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1090 return -EADDRNOTAVAIL; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1091 f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1092 lock_sock(sk); f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1093 err = ip6_mc_msfget(sk, &gf, p->gf_slist); f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1094 release_sock(sk); f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1095 if (err) f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1096 return err; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1097 if (num > gf.gf_numsrc) f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1098 num = gf.gf_numsrc; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1099 len = GROUP_FILTER_SIZE(num) - (sizeof(gf)-sizeof(gf32)); f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1100 if (put_user(len, optlen) || f5cfb1759cdde7 Christoph Hellwig 2020-07-15 @1101 put_user(gf.gf_fmode, &p->gf_fmode) || f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1102 put_user(gf.gf_numsrc, &p->gf_numsrc)) f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1103 return -EFAULT; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1104 return 0; f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1105 } f5cfb1759cdde7 Christoph Hellwig 2020-07-15 1106 :::::: The code at line 1101 was first introduced by commit :::::: f5cfb1759cdde7d190afcd889b46eb82888469e5 net/ipv6: factor out MCAST_MSFILTER getsockopt helpers :::::: TO: Christoph Hellwig <hch(a)lst.de&gt; :::::: CC: Christoph Hellwig <hch(a)lst.de&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org