From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [lee-linaro:google/android-3.18-queue 74/586] net/rxrpc/ar-key.c:1188:25: sparse: sparse: incorrect type in argument 1 (different address spaces)
Date: Fri, 25 Dec 2020 23:00:56 +0800 [thread overview]
Message-ID: <202012252354.aegSB0aR-lkp@intel.com> (raw)
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tree: https://git.linaro.org/people/lee.jones/linux.git google/android-3.18-queue
head: 0a7aab07b4f62b5083f2589e71ff60029240254e
commit: b0b3266cbcbe8f9b81cb9b5b1e6cf656e774fc5c [74/586] rxrpc: Fix rxkad token xdr encoding
config: parisc-randconfig-s032-20201221 (attached as .config)
compiler: hppa-linux-gcc (GCC) 5.5.0
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
git remote add lee-linaro https://git.linaro.org/people/lee.jones/linux.git
git fetch --no-tags lee-linaro google/android-3.18-queue
git checkout b0b3266cbcbe8f9b81cb9b5b1e6cf656e774fc5c
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-5.5.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=parisc
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 >>)"
>> net/rxrpc/ar-key.c:1188:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *dest @@ got restricted __be32 [noderef] [usertype] <asn:1> *[assigned] xdr @@
net/rxrpc/ar-key.c:1188:25: sparse: expected void *dest
net/rxrpc/ar-key.c:1188:25: sparse: got restricted __be32 [noderef] [usertype] <asn:1> *[assigned] xdr
net/rxrpc/ar-key.c:1188:25: sparse: sparse: cast removes address space '<asn:1>' of expression
In file included from arch/parisc/include/asm/bug.h:92:0,
from include/linux/bug.h:4,
from include/linux/thread_info.h:11,
from include/asm-generic/preempt.h:4,
from arch/parisc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:18,
from include/linux/spinlock.h:50,
from include/linux/seqlock.h:35,
from include/linux/time.h:5,
from include/linux/stat.h:18,
from include/linux/module.h:10,
from net/rxrpc/ar-key.c:15:
include/linux/cpumask.h: In function 'cpumask_check':
include/linux/cpumask.h:116:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
WARN_ON_ONCE(cpu >= nr_cpumask_bits);
^
include/asm-generic/bug.h:112:27: note: in definition of macro 'WARN_ON_ONCE'
int __ret_warn_once = !!(condition); 23- ^
In file included from include/uapi/linux/stddef.h:1:0,
from include/linux/stddef.h:4,
from include/uapi/linux/posix_types.h:4,
from include/uapi/linux/types.h:13,
from include/linux/types.h:5,
from include/linux/list.h:4,
from include/linux/module.h:9,
from net/rxrpc/ar-key.c:15:
arch/parisc/include/asm/uaccess.h: In function 'copy_from_user':
arch/parisc/include/asm/uaccess.h:251:63: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (likely(sz == -1 || !__builtin_constant_p(n) || sz >= n))
^
include/linux/compiler.h:175:40: note: in definition of macro 'likely'
# define likely(x) __builtin_expect(!!(x), 1)
^
In file included from arch/parisc/include/asm/tlbflush.h:7:0,
from arch/parisc/include/asm/cacheflush.h:6,
from arch/parisc/include/asm/dma-mapping.h:5,
from include/linux/dma-mapping.h:82,
from include/linux/skbuff.h:32,
from net/rxrpc/ar-key.c:17:
include/linux/sched.h: At top level:
include/linux/sched.h:1067:42: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
const struct sched_group_energy * const(*sched_domain_energy_f)(int cpu);
^
In file included from net/rxrpc/ar-key.c:17:0:
include/linux/skbuff.h: In function 'skb_can_coalesce':
include/linux/skbuff.h:2528:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
off == frag->page_offset + skb_frag_size(frag);
^
In file included from include/uapi/linux/stddef.h:1:0,
from include/linux/stddef.h:4,
from include/uapi/linux/posix_types.h:4,
from include/uapi/linux/types.h:13,
from include/linux/types.h:5,
from include/linux/list.h:4,
from include/linux/module.h:9,
from net/rxrpc/ar-key.c:15:
include/linux/netdevice.h: In function 'get_netdev_rx_queue_index':
include/linux/netdevice.h:2830:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
BUG_ON(index >= dev->num_rx_queues);
^
include/linux/compiler.h:176:42: note: in definition of macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^
include/linux/netdevice.h:2830:2: note: in expansion of macro 'BUG_ON'
BUG_ON(index >= dev->num_rx_queues);
^
In file included from include/net/sock.h:51:0,
from net/rxrpc/ar-key.c:22:
include/linux/netdevice.h: In function 'netif_msg_init':
include/linux/netdevice.h:3101:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (debug_value < 0 || debug_value >= (sizeof(u32) * 8))
^
In file included from include/net/sock.h:63:0,
from net/rxrpc/ar-key.c:22:
include/linux/filter.h: In function 'bpf_needs_clear_a':
include/linux/filter.h:444:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (first->k == SKF_AD_OFF + SKF_AD_ALU_XOR_X)
^
In file included from include/net/rtnetlink.h:5:0,
from include/net/neighbour.h:29,
from include/net/dst.h:17,
from include/net/sock.h:68,
from net/rxrpc/ar-key.c:22:
include/net/netlink.h: In function 'nlmsg_ok':
include/net/netlink.h:334:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
nlh->nlmsg_len <= remaining);
^
include/net/netlink.h: In function 'nlmsg_parse':
include/net/netlink.h:369:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (nlh->nlmsg_len < nlmsg_msg_size(hdrlen))
^
include/net/netlink.h: In function 'nlmsg_validate':
include/net/netlink.h:402:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (nlh->nlmsg_len < nlmsg_msg_size(hdrlen))
^
In file included from include/net/neighbour.h:29:0,
vim +1188 net/rxrpc/ar-key.c
1129
1130 if (!buffer || buflen < size)
1131 return size;
1132
1133 xdr = (__be32 __user *) buffer;
1134 zero = 0;
1135 #define ENCODE(x) \
1136 do { \
1137 __be32 y = htonl(x); \
1138 if (put_user(y, xdr++) < 0) \
1139 goto fault; \
1140 } while(0)
1141 #define ENCODE_DATA(l, s) \
1142 do { \
1143 u32 _l = (l); \
1144 ENCODE(l); \
1145 if (copy_to_user(xdr, (s), _l) != 0) \
1146 goto fault; \
1147 if (_l & 3 && \
1148 copy_to_user((u8 __user *)xdr + _l, &zero, 4 - (_l & 3)) != 0) \
1149 goto fault; \
1150 xdr += (_l + 3) >> 2; \
1151 } while(0)
1152 #define ENCODE_BYTES(l, s) \
1153 do { \
1154 u32 _l = (l); \
1155 memcpy(xdr, (s), _l); \
1156 if (_l & 3) \
1157 memcpy((u8 *)xdr + _l, &zero, 4 - (_l & 3)); \
1158 xdr += (_l + 3) >> 2; \
1159 } while(0)
1160 #define ENCODE64(x) \
1161 do { \
1162 __be64 y = cpu_to_be64(x); \
1163 if (copy_to_user(xdr, &y, 8) != 0) \
1164 goto fault; \
1165 xdr += 8 >> 2; \
1166 } while(0)
1167 #define ENCODE_STR(s) \
1168 do { \
1169 const char *_s = (s); \
1170 ENCODE_DATA(strlen(_s), _s); \
1171 } while(0)
1172
1173 ENCODE(0); /* flags */
1174 ENCODE_DATA(cnlen, key->description + 4); /* cellname */
1175 ENCODE(ntoks);
1176
1177 tok = 0;
1178 for (token = key->payload.data; token; token = token->next) {
1179 toksize = toksizes[tok++];
1180 ENCODE(toksize);
1181 oldxdr = xdr;
1182 ENCODE(token->security_index);
1183
1184 switch (token->security_index) {
1185 case RXRPC_SECURITY_RXKAD:
1186 ENCODE(token->kad->vice_id);
1187 ENCODE(token->kad->kvno);
> 1188 ENCODE_BYTES(8, token->kad->session_key);
1189 ENCODE(token->kad->start);
1190 ENCODE(token->kad->expiry);
1191 ENCODE(token->kad->primary_flag);
1192 ENCODE_DATA(token->kad->ticket_len, token->kad->ticket);
1193 break;
1194
1195 case RXRPC_SECURITY_RXK5:
1196 princ = &token->k5->client;
1197 ENCODE(princ->n_name_parts);
1198 for (loop = 0; loop < princ->n_name_parts; loop++)
1199 ENCODE_STR(princ->name_parts[loop]);
1200 ENCODE_STR(princ->realm);
1201
1202 princ = &token->k5->server;
1203 ENCODE(princ->n_name_parts);
1204 for (loop = 0; loop < princ->n_name_parts; loop++)
1205 ENCODE_STR(princ->name_parts[loop]);
1206 ENCODE_STR(princ->realm);
1207
1208 ENCODE(token->k5->session.tag);
1209 ENCODE_DATA(token->k5->session.data_len,
1210 token->k5->session.data);
1211
1212 ENCODE64(token->k5->authtime);
1213 ENCODE64(token->k5->starttime);
1214 ENCODE64(token->k5->endtime);
1215 ENCODE64(token->k5->renew_till);
1216 ENCODE(token->k5->is_skey);
1217 ENCODE(token->k5->flags);
1218
1219 ENCODE(token->k5->n_addresses);
1220 for (loop = 0; loop < token->k5->n_addresses; loop++) {
1221 ENCODE(token->k5->addresses[loop].tag);
1222 ENCODE_DATA(token->k5->addresses[loop].data_len,
1223 token->k5->addresses[loop].data);
1224 }
1225
1226 ENCODE_DATA(token->k5->ticket_len, token->k5->ticket);
1227 ENCODE_DATA(token->k5->ticket2_len, token->k5->ticket2);
1228
1229 ENCODE(token->k5->n_authdata);
1230 for (loop = 0; loop < token->k5->n_authdata; loop++) {
1231 ENCODE(token->k5->authdata[loop].tag);
1232 ENCODE_DATA(token->k5->authdata[loop].data_len,
1233 token->k5->authdata[loop].data);
1234 }
1235 break;
1236
1237 default:
1238 BUG();
1239 break;
1240 }
1241
1242 ASSERTCMP((unsigned long)xdr - (unsigned long)oldxdr, ==,
1243 toksize);
1244 }
1245
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next reply other threads:[~2020-12-25 15:00 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-25 15:00 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-12-25 13:49 [lee-linaro:google/android-3.18-queue 74/586] net/rxrpc/ar-key.c:1188:25: sparse: sparse: incorrect type in argument 1 (different address spaces) kernel test robot
2020-12-25 1:41 kernel test robot
2020-12-24 14:12 kernel test robot
2020-12-24 3:19 kernel test robot
2020-12-24 7:35 ` Lee Jones
2020-12-25 14:39 ` Philip Li
2020-12-23 23:25 kernel test robot
2020-12-23 22:14 kernel test robot
2020-12-23 20:29 kernel test robot
2020-12-03 2:18 kernel test robot
2020-12-03 7:35 ` Lee Jones
2020-12-03 8:49 ` Chen, Rong A
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