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Subjectsecurity/apparmor/lsm.c:1101:21: sparse: sparse: incorrect type in initializer (different address spaces)
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 83bdc7275e6206f560d247be856bceba3e1ed8f2
commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces
date: 6 weeks ago
config: openrisc-randconfig-s031-20200730 (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: v0.6.2-98-g4932334a-dirty
git checkout 670d0a4b10704667765f7d18f7592993d02783aa
# 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@intel.com>


sparse warnings: (new ones prefixed by >>)

>> security/apparmor/lsm.c:1101:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *optlen @@
security/apparmor/lsm.c:1101:21: sparse: expected int *__pu_addr
>> security/apparmor/lsm.c:1101:21: sparse: got int [noderef] __user *optlen
security/apparmor/lsm.c: note: in included file (through include/asm-generic/atomic.h, arch/openrisc/include/asm/atomic.h, include/linux/atomic.h, ...):
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
security/apparmor/lsm.c: note: in included file (through include/linux/sched/task.h, include/linux/sched/signal.h, include/linux/rcuwait.h, ...):
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
security/apparmor/lsm.c: note: in included file (through include/linux/uaccess.h, include/linux/sched/task.h, include/linux/sched/signal.h, ...):
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
security/apparmor/lsm.c: note: in included file (through include/asm-generic/atomic.h, arch/openrisc/include/asm/atomic.h, include/linux/atomic.h, ...):
arch/openrisc/include/asm/cmpxchg.h:69:29: sparse: sparse: shift too big (32) for type int
--
>> drivers/watchdog/pcwd_usb.c:375:37: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected char const *__gu_addr @@ got char const [noderef] __user * @@
drivers/watchdog/pcwd_usb.c:375:37: sparse: expected char const *__gu_addr
>> drivers/watchdog/pcwd_usb.c:375:37: sparse: got char const [noderef] __user *
>> drivers/watchdog/pcwd_usb.c:407:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *p @@
drivers/watchdog/pcwd_usb.c:407:24: sparse: expected int *__pu_addr
>> drivers/watchdog/pcwd_usb.c:407:24: sparse: got int [noderef] __user *p
drivers/watchdog/pcwd_usb.c:416:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *p @@
drivers/watchdog/pcwd_usb.c:416:24: sparse: expected int *__pu_addr
drivers/watchdog/pcwd_usb.c:416:24: sparse: got int [noderef] __user *p
>> drivers/watchdog/pcwd_usb.c:423:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *p @@
drivers/watchdog/pcwd_usb.c:423:21: sparse: expected int const *__gu_addr
drivers/watchdog/pcwd_usb.c:423:21: sparse: got int [noderef] __user *p
drivers/watchdog/pcwd_usb.c:447:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *p @@
drivers/watchdog/pcwd_usb.c:447:21: sparse: expected int const *__gu_addr
drivers/watchdog/pcwd_usb.c:447:21: sparse: got int [noderef] __user *p
drivers/watchdog/pcwd_usb.c:458:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *p @@
drivers/watchdog/pcwd_usb.c:458:24: sparse: expected int *__pu_addr
drivers/watchdog/pcwd_usb.c:458:24: sparse: got int [noderef] __user *p
drivers/watchdog/pcwd_usb.c:467:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int *__pu_addr @@ got int [noderef] __user *p @@
drivers/watchdog/pcwd_usb.c:467:24: sparse: expected int *__pu_addr
drivers/watchdog/pcwd_usb.c:467:24: sparse: got int [noderef] __user *p
drivers/watchdog/pcwd_usb.c: note: in included file (through include/linux/sched/task.h, include/linux/sched/signal.h, include/linux/rcuwait.h, ...):
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
drivers/watchdog/pcwd_usb.c: note: in included file (through include/linux/uaccess.h, include/linux/sched/task.h, include/linux/sched/signal.h, ...):
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
drivers/watchdog/pcwd_usb.c: note: in included file (through include/linux/sched/task.h, include/linux/sched/signal.h, include/linux/rcuwait.h, ...):
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
drivers/watchdog/pcwd_usb.c: note: in included file (through include/linux/uaccess.h, include/linux/sched/task.h, include/linux/sched/signal.h, ...):
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 security/apparmor/lsm.c

56974a6fcfef69e John Johansen 2017-07-18 1066
56974a6fcfef69e John Johansen 2017-07-18 1067 /**
56974a6fcfef69e John Johansen 2017-07-18 1068 * apparmor_socket_getpeersec_stream - get security context of peer
56974a6fcfef69e John Johansen 2017-07-18 1069 *
56974a6fcfef69e John Johansen 2017-07-18 1070 * Note: for tcp only valid if using ipsec or cipso on lan
56974a6fcfef69e John Johansen 2017-07-18 1071 */
56974a6fcfef69e John Johansen 2017-07-18 1072 static int apparmor_socket_getpeersec_stream(struct socket *sock,
56974a6fcfef69e John Johansen 2017-07-18 1073 char __user *optval,
56974a6fcfef69e John Johansen 2017-07-18 1074 int __user *optlen,
56974a6fcfef69e John Johansen 2017-07-18 1075 unsigned int len)
56974a6fcfef69e John Johansen 2017-07-18 1076 {
56974a6fcfef69e John Johansen 2017-07-18 1077 char *name;
56974a6fcfef69e John Johansen 2017-07-18 1078 int slen, error = 0;
56974a6fcfef69e John Johansen 2017-07-18 1079 struct aa_label *label;
56974a6fcfef69e John Johansen 2017-07-18 1080 struct aa_label *peer;
56974a6fcfef69e John Johansen 2017-07-18 1081
56974a6fcfef69e John Johansen 2017-07-18 1082 label = begin_current_label_crit_section();
56974a6fcfef69e John Johansen 2017-07-18 1083 peer = sk_peer_label(sock->sk);
56974a6fcfef69e John Johansen 2017-07-18 1084 if (IS_ERR(peer)) {
56974a6fcfef69e John Johansen 2017-07-18 1085 error = PTR_ERR(peer);
56974a6fcfef69e John Johansen 2017-07-18 1086 goto done;
56974a6fcfef69e John Johansen 2017-07-18 1087 }
56974a6fcfef69e John Johansen 2017-07-18 1088 slen = aa_label_asxprint(&name, labels_ns(label), peer,
56974a6fcfef69e John Johansen 2017-07-18 1089 FLAG_SHOW_MODE | FLAG_VIEW_SUBNS |
56974a6fcfef69e John Johansen 2017-07-18 1090 FLAG_HIDDEN_UNCONFINED, GFP_KERNEL);
56974a6fcfef69e John Johansen 2017-07-18 1091 /* don't include terminating \0 in slen, it breaks some apps */
56974a6fcfef69e John Johansen 2017-07-18 1092 if (slen < 0) {
56974a6fcfef69e John Johansen 2017-07-18 1093 error = -ENOMEM;
56974a6fcfef69e John Johansen 2017-07-18 1094 } else {
56974a6fcfef69e John Johansen 2017-07-18 1095 if (slen > len) {
56974a6fcfef69e John Johansen 2017-07-18 1096 error = -ERANGE;
56974a6fcfef69e John Johansen 2017-07-18 1097 } else if (copy_to_user(optval, name, slen)) {
56974a6fcfef69e John Johansen 2017-07-18 1098 error = -EFAULT;
56974a6fcfef69e John Johansen 2017-07-18 1099 goto out;
56974a6fcfef69e John Johansen 2017-07-18 1100 }
56974a6fcfef69e John Johansen 2017-07-18 @1101 if (put_user(slen, optlen))
56974a6fcfef69e John Johansen 2017-07-18 1102 error = -EFAULT;
56974a6fcfef69e John Johansen 2017-07-18 1103 out:
56974a6fcfef69e John Johansen 2017-07-18 1104 kfree(name);
56974a6fcfef69e John Johansen 2017-07-18 1105
56974a6fcfef69e John Johansen 2017-07-18 1106 }
56974a6fcfef69e John Johansen 2017-07-18 1107
56974a6fcfef69e John Johansen 2017-07-18 1108 done:
56974a6fcfef69e John Johansen 2017-07-18 1109 end_current_label_crit_section(label);
56974a6fcfef69e John Johansen 2017-07-18 1110
56974a6fcfef69e John Johansen 2017-07-18 1111 return error;
56974a6fcfef69e John Johansen 2017-07-18 1112 }
56974a6fcfef69e John Johansen 2017-07-18 1113

:::::: The code at line 1101 was first introduced by commit
:::::: 56974a6fcfef69ee0825bd66ed13e92070ac5224 apparmor: add base infastructure for socket mediation

:::::: TO: John Johansen <john.johansen@canonical.com>
:::::: CC: John Johansen <john.johansen@canonical.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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