tree: git://git.infradead.org/users/hch/misc.git sockopt-cleanups head: c7b33f366ac60f1213a4ff71675dc62c56f171d3 commit: 5a4c63f8320f6acd2dd457dd96c84e1ffeef580a [17/22] net/ipv4: remove compat_ip_{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 5a4c63f8320f6acd2dd457dd96c84e1ffeef580a # 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/ipv4/ip_sockglue.c:908:29: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user * @@ net/ipv4/ip_sockglue.c:908:29: sparse: expected int const *__gu_addr net/ipv4/ip_sockglue.c:908:29: sparse: got int [noderef] __user * net/ipv4/ip_sockglue.c:913:29: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned char const *__gu_addr @@ got unsigned char [noderef] __user * @@ net/ipv4/ip_sockglue.c:913:29: sparse: expected unsigned char const *__gu_addr net/ipv4/ip_sockglue.c:913:29: sparse: got unsigned char [noderef] __user * net/ipv4/ip_sockglue.c:1456:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv4/ip_sockglue.c:1456:13: sparse: expected int *__pu_addr net/ipv4/ip_sockglue.c:1456:13: sparse: got int [noderef] __user *optlen net/ipv4/ip_sockglue.c:1488:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv4/ip_sockglue.c:1488:13: sparse: expected int *__pu_addr net/ipv4/ip_sockglue.c:1488:13: sparse: got int [noderef] __user *optlen >> net/ipv4/ip_sockglue.c:1489:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int *__pu_addr @@ got unsigned int [noderef] __user * @@ >> net/ipv4/ip_sockglue.c:1489:13: sparse: expected unsigned int *__pu_addr net/ipv4/ip_sockglue.c:1489:13: sparse: got unsigned int [noderef] __user * net/ipv4/ip_sockglue.c:1490:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int *__pu_addr @@ got unsigned int [noderef] __user * @@ net/ipv4/ip_sockglue.c:1490:13: sparse: expected unsigned int *__pu_addr net/ipv4/ip_sockglue.c:1490:13: sparse: got unsigned int [noderef] __user * net/ipv4/ip_sockglue.c:1509:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *optlen @@ net/ipv4/ip_sockglue.c:1509:13: sparse: expected int const *__gu_addr net/ipv4/ip_sockglue.c:1509:13: sparse: got int [noderef] __user *optlen net/ipv4/ip_sockglue.c:1535:32: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv4/ip_sockglue.c:1535:32: sparse: expected int *__pu_addr net/ipv4/ip_sockglue.c:1535:32: sparse: got int [noderef] __user *optlen net/ipv4/ip_sockglue.c:1540:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv4/ip_sockglue.c:1540:21: sparse: expected int *__pu_addr net/ipv4/ip_sockglue.c:1540:21: sparse: got int [noderef] __user *optlen net/ipv4/ip_sockglue.c:1630:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv4/ip_sockglue.c:1630:21: sparse: expected int *__pu_addr net/ipv4/ip_sockglue.c:1630:21: sparse: got int [noderef] __user *optlen net/ipv4/ip_sockglue.c:1693:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv4/ip_sockglue.c:1693:24: sparse: expected int *__pu_addr net/ipv4/ip_sockglue.c:1693:24: sparse: got int [noderef] __user *optlen net/ipv4/ip_sockglue.c:1713:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv4/ip_sockglue.c:1713:21: sparse: expected int *__pu_addr net/ipv4/ip_sockglue.c:1713:21: sparse: got int [noderef] __user *optlen net/ipv4/ip_sockglue.c:1719:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@ net/ipv4/ip_sockglue.c:1719:21: sparse: expected int *__pu_addr net/ipv4/ip_sockglue.c:1719:21: sparse: got int [noderef] __user *optlen 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 +1489 net/ipv4/ip_sockglue.c 4aa551d47237465 Christoph Hellwig 2020-07-15 1461 4aa551d47237465 Christoph Hellwig 2020-07-15 1462 static int compat_ip_get_mcast_msfilter(struct sock *sk, void __user *optval, 5a4c63f8320f6ac Christoph Hellwig 2020-07-16 1463 int __user *optlen, int len) 4aa551d47237465 Christoph Hellwig 2020-07-15 1464 { 4aa551d47237465 Christoph Hellwig 2020-07-15 1465 const int size0 = offsetof(struct compat_group_filter, gf_slist); 4aa551d47237465 Christoph Hellwig 2020-07-15 1466 struct compat_group_filter __user *p = optval; 4aa551d47237465 Christoph Hellwig 2020-07-15 1467 struct compat_group_filter gf32; 4aa551d47237465 Christoph Hellwig 2020-07-15 1468 struct group_filter gf; 4aa551d47237465 Christoph Hellwig 2020-07-15 1469 int num; 5a4c63f8320f6ac Christoph Hellwig 2020-07-16 1470 int err; 4aa551d47237465 Christoph Hellwig 2020-07-15 1471 4aa551d47237465 Christoph Hellwig 2020-07-15 1472 if (len < size0) 4aa551d47237465 Christoph Hellwig 2020-07-15 1473 return -EINVAL; 4aa551d47237465 Christoph Hellwig 2020-07-15 1474 if (copy_from_user(&gf32, p, size0)) 4aa551d47237465 Christoph Hellwig 2020-07-15 1475 return -EFAULT; 4aa551d47237465 Christoph Hellwig 2020-07-15 1476 4aa551d47237465 Christoph Hellwig 2020-07-15 1477 gf.gf_interface = gf32.gf_interface; 4aa551d47237465 Christoph Hellwig 2020-07-15 1478 gf.gf_fmode = gf32.gf_fmode; 4aa551d47237465 Christoph Hellwig 2020-07-15 1479 num = gf.gf_numsrc = gf32.gf_numsrc; 4aa551d47237465 Christoph Hellwig 2020-07-15 1480 gf.gf_group = gf32.gf_group; 4aa551d47237465 Christoph Hellwig 2020-07-15 1481 4aa551d47237465 Christoph Hellwig 2020-07-15 1482 err = ip_mc_gsfget(sk, &gf, p->gf_slist); 4aa551d47237465 Christoph Hellwig 2020-07-15 1483 if (err) 4aa551d47237465 Christoph Hellwig 2020-07-15 1484 return err; 4aa551d47237465 Christoph Hellwig 2020-07-15 1485 if (gf.gf_numsrc < num) 4aa551d47237465 Christoph Hellwig 2020-07-15 1486 num = gf.gf_numsrc; 4aa551d47237465 Christoph Hellwig 2020-07-15 1487 len = GROUP_FILTER_SIZE(num) - (sizeof(gf) - sizeof(gf32)); 4aa551d47237465 Christoph Hellwig 2020-07-15 1488 if (put_user(len, optlen) || 4aa551d47237465 Christoph Hellwig 2020-07-15 @1489 put_user(gf.gf_fmode, &p->gf_fmode) || 4aa551d47237465 Christoph Hellwig 2020-07-15 1490 put_user(gf.gf_numsrc, &p->gf_numsrc)) 4aa551d47237465 Christoph Hellwig 2020-07-15 1491 return -EFAULT; 4aa551d47237465 Christoph Hellwig 2020-07-15 1492 return 0; 4aa551d47237465 Christoph Hellwig 2020-07-15 1493 } 4aa551d47237465 Christoph Hellwig 2020-07-15 1494 :::::: The code at line 1489 was first introduced by commit :::::: 4aa551d4723746507de5fb607831811a9e458837 net/ipv4: 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 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