tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dea8dcf2a9fa8cc540136a6cd885c3beece16ec3 commit: 3021ad529950d07e0408d65d0f1df00454c1d223 net/ipv6: remove compat_ipv6_{get,set}sockopt date: 5 months ago config: csky-randconfig-s032-20201227 (attached as .config) compiler: csky-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: v0.6.3-184-g1b896707-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3021ad529950d07e0408d65d0f1df00454c1d223 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 3021ad529950d07e0408d65d0f1df00454c1d223 # 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=csky
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
"sparse warnings: (new ones prefixed by >>)"
net/ipv6/ipv6_sockglue.c:331:29: sparse: sparse: incorrect type in argument
1 (different address spaces) @@ expected void const *addr @@ got int
const [noderef] __user *__gu_ptr @@
net/ipv6/ipv6_sockglue.c:331:29: sparse: expected void const *addr
net/ipv6/ipv6_sockglue.c:331:29: sparse: got int const [noderef] __user
*__gu_ptr
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 argument
1 (different address spaces) @@ expected void const *addr @@ got int
const [noderef] __user *__gu_ptr @@
net/ipv6/ipv6_sockglue.c:1077:13: sparse: expected void const *addr
net/ipv6/ipv6_sockglue.c:1077:13: sparse: got int const [noderef] __user
*__gu_ptr
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: sparse: incorrect type in
>> initializer (different address spaces) @@ expected unsigned int
>> *__pu_addr @@ got unsigned int [noderef] __user * @@
net/ipv6/ipv6_sockglue.c:1101:13: sparse: expected unsigned int
*__pu_addr
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 argument
1 (different address spaces) @@ expected void const *addr @@ got int
const [noderef] __user *__gu_ptr @@
net/ipv6/ipv6_sockglue.c:1117:13: sparse: expected void const *addr
net/ipv6/ipv6_sockglue.c:1117:13: sparse: got int const [noderef] __user
*__gu_ptr
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
vim +1101 net/ipv6/ipv6_sockglue.c
333fad5364d6b45 YOSHIFUJI Hideaki 2005-09-08 1037
d5541e85cd40118 Christoph Hellwig 2020-07-17 1038 static int
ipv6_get_msfilter(struct sock *sk, void __user *optval,
d5541e85cd40118 Christoph Hellwig 2020-07-17 1039 int __user
*optlen, int len)
^1da177e4c3f415 Linus Torvalds 2005-04-16 1040 {
931ca7ab7fe804d Al Viro 2020-03-29 1041 const int size0 =
offsetof(struct group_filter, gf_slist);
d5541e85cd40118 Christoph Hellwig 2020-07-17 1042 struct group_filter
__user *p = optval;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1043 struct group_filter gsf;
931ca7ab7fe804d Al Viro 2020-03-29 1044 int num;
^1da177e4c3f415 Linus Torvalds 2005-04-16 1045 int err;
^1da177e4c3f415 Linus Torvalds 2005-04-16 1046
931ca7ab7fe804d Al Viro 2020-03-29 1047 if (len < size0)
^1da177e4c3f415 Linus Torvalds 2005-04-16 1048 return -EINVAL;
931ca7ab7fe804d Al Viro 2020-03-29 1049 if
(copy_from_user(&gsf, p, size0))
^1da177e4c3f415 Linus Torvalds 2005-04-16 1050 return -EFAULT;
20c61fbd8deb2ad YOSHIFUJI Hideaki 2008-04-28 1051 if
(gsf.gf_group.ss_family != AF_INET6)
20c61fbd8deb2ad YOSHIFUJI Hideaki 2008-04-28 1052 return
-EADDRNOTAVAIL;
931ca7ab7fe804d Al Viro 2020-03-29 1053 num = gsf.gf_numsrc;
^1da177e4c3f415 Linus Torvalds 2005-04-16 1054 lock_sock(sk);
931ca7ab7fe804d Al Viro 2020-03-29 1055 err = ip6_mc_msfget(sk,
&gsf, p->gf_slist);
931ca7ab7fe804d Al Viro 2020-03-29 1056 if (!err) {
931ca7ab7fe804d Al Viro 2020-03-29 1057 if (num >
gsf.gf_numsrc)
931ca7ab7fe804d Al Viro 2020-03-29 1058 num =
gsf.gf_numsrc;
931ca7ab7fe804d Al Viro 2020-03-29 @1059 if
(put_user(GROUP_FILTER_SIZE(num), optlen) ||
931ca7ab7fe804d Al Viro 2020-03-29 1060
copy_to_user(p, &gsf, size0))
931ca7ab7fe804d Al Viro 2020-03-29 1061 err =
-EFAULT;
931ca7ab7fe804d Al Viro 2020-03-29 1062 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 1063 release_sock(sk);
^1da177e4c3f415 Linus Torvalds 2005-04-16 1064 return err;
^1da177e4c3f415 Linus Torvalds 2005-04-16 1065 }
^1da177e4c3f415 Linus Torvalds 2005-04-16 1066
d5541e85cd40118 Christoph Hellwig 2020-07-17 1067 static int
compat_ipv6_get_msfilter(struct sock *sk, void __user *optval,
d5541e85cd40118 Christoph Hellwig 2020-07-17 1068 int __user
*optlen)
d5541e85cd40118 Christoph Hellwig 2020-07-17 1069 {
d5541e85cd40118 Christoph Hellwig 2020-07-17 1070 const int size0 =
offsetof(struct compat_group_filter, gf_slist);
d5541e85cd40118 Christoph Hellwig 2020-07-17 1071 struct
compat_group_filter __user *p = optval;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1072 struct
compat_group_filter gf32;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1073 struct group_filter gf;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1074 int len, err;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1075 int num;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1076
d5541e85cd40118 Christoph Hellwig 2020-07-17 1077 if (get_user(len,
optlen))
d5541e85cd40118 Christoph Hellwig 2020-07-17 1078 return -EFAULT;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1079 if (len < size0)
d5541e85cd40118 Christoph Hellwig 2020-07-17 1080 return -EINVAL;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1081
d5541e85cd40118 Christoph Hellwig 2020-07-17 1082 if
(copy_from_user(&gf32, p, size0))
d5541e85cd40118 Christoph Hellwig 2020-07-17 1083 return -EFAULT;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1084 gf.gf_interface =
gf32.gf_interface;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1085 gf.gf_fmode =
gf32.gf_fmode;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1086 num = gf.gf_numsrc =
gf32.gf_numsrc;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1087 gf.gf_group =
gf32.gf_group;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1088
d5541e85cd40118 Christoph Hellwig 2020-07-17 1089 if
(gf.gf_group.ss_family != AF_INET6)
d5541e85cd40118 Christoph Hellwig 2020-07-17 1090 return
-EADDRNOTAVAIL;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1091
d5541e85cd40118 Christoph Hellwig 2020-07-17 1092 lock_sock(sk);
d5541e85cd40118 Christoph Hellwig 2020-07-17 1093 err = ip6_mc_msfget(sk,
&gf, p->gf_slist);
d5541e85cd40118 Christoph Hellwig 2020-07-17 1094 release_sock(sk);
d5541e85cd40118 Christoph Hellwig 2020-07-17 1095 if (err)
d5541e85cd40118 Christoph Hellwig 2020-07-17 1096 return err;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1097 if (num > gf.gf_numsrc)
d5541e85cd40118 Christoph Hellwig 2020-07-17 1098 num =
gf.gf_numsrc;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1099 len =
GROUP_FILTER_SIZE(num) - (sizeof(gf)-sizeof(gf32));
d5541e85cd40118 Christoph Hellwig 2020-07-17 1100 if (put_user(len,
optlen) ||
d5541e85cd40118 Christoph Hellwig 2020-07-17 @1101
put_user(gf.gf_fmode, &p->gf_fmode) ||
d5541e85cd40118 Christoph Hellwig 2020-07-17 1102
put_user(gf.gf_numsrc, &p->gf_numsrc))
d5541e85cd40118 Christoph Hellwig 2020-07-17 1103 return -EFAULT;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1104 return 0;
d5541e85cd40118 Christoph Hellwig 2020-07-17 1105 }
d5541e85cd40118 Christoph Hellwig 2020-07-17 1106
:::::: The code at line 1101 was first introduced by commit
:::::: d5541e85cd40118a817f015ce3af1f41a7d7de1b net/ipv6: factor out
MCAST_MSFILTER getsockopt helpers
:::::: TO: Christoph Hellwig <h...@lst.de>
:::::: CC: David S. Miller <da...@davemloft.net>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
