| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <202411041638.igTDF2vU-lkp@intel.com>
Date: Mon, 4 Nov 2024 17:04:10 +0800
From: kernel test robot <lkp@...el.com>
To: "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
"Gustavo A. R. Silva" <gustavo@...eddedor.com>,
LKML <linux-kernel@...r.kernel.org>
Subject: [gustavoars:testing/wfamnae-next20241028-sa-with-flex 26/26]
net/ipv4/arp.c:1188:34: error: invalid application of 'sizeof' to an
incomplete type 'char[]'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/wfamnae-next20241028-sa-with-flex
head: 0e7c24c783de39e1f965e8c23e96a7de29dfbfca
commit: db9bcb6db903744311cc25148aa4a5f88fd5a9d4 [26/26] uapi: socket: Introduce struct sockaddr_legacy
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20241104/202411041638.igTDF2vU-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241104/202411041638.igTDF2vU-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411041638.igTDF2vU-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from net/ipv4/arp.c:83:
In file included from include/linux/mm.h:2225:
include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
505 | item];
| ~~~~
include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
512 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
525 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
>> net/ipv4/arp.c:1188:34: error: invalid application of 'sizeof' to an incomplete type 'char[]'
1188 | min(dev->addr_len, sizeof(r->arp_ha.sa_data)));
| ^~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:129:41: note: expanded from macro 'min'
129 | #define min(x, y) __careful_cmp(min, x, y)
| ^
include/linux/minmax.h:105:28: note: expanded from macro '__careful_cmp'
105 | __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
| ^
include/linux/minmax.h:99:42: note: expanded from macro '__careful_cmp_once'
99 | __auto_type ux = (x); __auto_type uy = (y); \
| ^
include/linux/fortify-string.h:678:53: note: expanded from macro 'memcpy'
678 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
| ^
include/linux/fortify-string.h:621:41: note: expanded from macro '__fortify_memcpy_chk'
621 | const size_t __fortify_size = (size_t)(size); \
| ^~~~
>> net/ipv4/arp.c:1188:34: error: invalid application of 'sizeof' to an incomplete type 'char[]'
1188 | min(dev->addr_len, sizeof(r->arp_ha.sa_data)));
| ^~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:129:41: note: expanded from macro 'min'
129 | #define min(x, y) __careful_cmp(min, x, y)
| ^
include/linux/minmax.h:105:28: note: expanded from macro '__careful_cmp'
105 | __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
| ^
include/linux/minmax.h:100:33: note: expanded from macro '__careful_cmp_once'
100 | BUILD_BUG_ON_MSG(!__types_ok(x,y,ux,uy), \
| ^
note: (skipping 8 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:497:9: note: expanded from macro '__compiletime_assert'
497 | if (!(condition)) \
| ^~~~~~~~~
include/linux/fortify-string.h:678:53: note: expanded from macro 'memcpy'
678 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
| ^
include/linux/fortify-string.h:621:41: note: expanded from macro '__fortify_memcpy_chk'
621 | const size_t __fortify_size = (size_t)(size); \
| ^~~~
>> net/ipv4/arp.c:1188:34: error: invalid application of 'sizeof' to an incomplete type 'char[]'
1188 | min(dev->addr_len, sizeof(r->arp_ha.sa_data)));
| ^~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:129:41: note: expanded from macro 'min'
129 | #define min(x, y) __careful_cmp(min, x, y)
| ^
include/linux/minmax.h:105:28: note: expanded from macro '__careful_cmp'
105 | __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
| ^
include/linux/minmax.h:100:33: note: expanded from macro '__careful_cmp_once'
100 | BUILD_BUG_ON_MSG(!__types_ok(x,y,ux,uy), \
| ^
note: (skipping 8 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:497:9: note: expanded from macro '__compiletime_assert'
497 | if (!(condition)) \
| ^~~~~~~~~
include/linux/fortify-string.h:678:53: note: expanded from macro 'memcpy'
678 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
| ^
include/linux/fortify-string.h:621:41: note: expanded from macro '__fortify_memcpy_chk'
621 | const size_t __fortify_size = (size_t)(size); \
| ^~~~
4 warnings and 3 errors generated.
--
In file included from net/packet/af_packet.c:51:
In file included from include/linux/ethtool.h:18:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:8:
In file included from include/linux/cacheflush.h:5:
In file included from arch/x86/include/asm/cacheflush.h:5:
In file included from include/linux/mm.h:2225:
include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
505 | item];
| ~~~~
include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
512 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
525 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
>> net/packet/af_packet.c:3653:34: error: invalid application of 'sizeof' to an incomplete type 'char[]'
3653 | memset(uaddr->sa_data, 0, sizeof(uaddr->sa_data));
| ^~~~~~~~~~~~~~~~
include/linux/fortify-string.h:512:52: note: expanded from macro 'memset'
512 | #define memset(p, c, s) __fortify_memset_chk(p, c, s, \
| ^
include/linux/fortify-string.h:502:35: note: expanded from macro '__fortify_memset_chk'
502 | size_t __fortify_size = (size_t)(size); \
| ^~~~
net/packet/af_packet.c:3657:44: error: invalid application of 'sizeof' to an incomplete type 'char[]'
3657 | strscpy(uaddr->sa_data, dev->name, sizeof(uaddr->sa_data));
| ^~~~~~~~~~~~~~~~
include/linux/string.h:113:60: note: expanded from macro 'strscpy'
113 | CONCATENATE(__strscpy, COUNT_ARGS(__VA_ARGS__))(dst, src, __VA_ARGS__)
| ^~~~~~~~~~~
include/linux/string.h:82:26: note: expanded from macro '__strscpy1'
82 | sized_strscpy(dst, src, size + __must_be_cstr(dst) + __must_be_cstr(src))
| ^~~~
>> net/packet/af_packet.c:4702:11: error: incompatible function pointer types initializing 'int (*)(struct socket *, struct sockaddr *, int)' with an expression of type 'int (struct socket *, struct sockaddr_legacy *, int)' [-Wincompatible-function-pointer-types]
4702 | .bind = packet_bind_spkt,
| ^~~~~~~~~~~~~~~~
4 warnings and 3 errors generated.
--
In file included from drivers/net/ethernet/marvell/sky2.c:18:
In file included from include/linux/netdevice.h:38:
In file included from include/net/net_namespace.h:43:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:8:
In file included from include/linux/cacheflush.h:5:
In file included from arch/x86/include/asm/cacheflush.h:5:
In file included from include/linux/mm.h:2225:
include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
505 | item];
| ~~~~
include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
512 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
525 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
>> drivers/net/ethernet/marvell/sky2.c:4680:3: warning: 'memcpy' will always overflow; destination buffer has size 0, but size argument is 6 [-Wfortify-source]
4680 | memcpy(sa.sa_data, dev->dev_addr, ETH_ALEN);
| ^
include/linux/fortify-string.h:678:26: note: expanded from macro 'memcpy'
678 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
| ^
include/linux/fortify-string.h:633:2: note: expanded from macro '__fortify_memcpy_chk'
633 | __underlying_##op(p, q, __fortify_size); \
| ^
<scratch space>:148:1: note: expanded from here
148 | __underlying_memcpy
| ^
include/linux/fortify-string.h:114:29: note: expanded from macro '__underlying_memcpy'
114 | #define __underlying_memcpy __builtin_memcpy
| ^
include/linux/fortify-string.h:571:4: warning: call to '__write_overflow_field' declared with 'warning' attribute: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Wattribute-warning]
571 | __write_overflow_field(p_size_field, size);
| ^
6 warnings generated.
vim +1188 net/ipv4/arp.c
1159
1160 /*
1161 * Get an ARP cache entry.
1162 */
1163
1164 static int arp_req_get(struct net *net, struct arpreq *r)
1165 {
1166 __be32 ip = ((struct sockaddr_in *) &r->arp_pa)->sin_addr.s_addr;
1167 struct neighbour *neigh;
1168 struct net_device *dev;
1169
1170 if (!r->arp_dev[0])
1171 return -ENODEV;
1172
1173 dev = arp_req_dev_by_name(net, r, true);
1174 if (IS_ERR(dev))
1175 return PTR_ERR(dev);
1176
1177 neigh = neigh_lookup(&arp_tbl, &ip, dev);
1178 if (!neigh)
1179 return -ENXIO;
1180
1181 if (READ_ONCE(neigh->nud_state) & NUD_NOARP) {
1182 neigh_release(neigh);
1183 return -ENXIO;
1184 }
1185
1186 read_lock_bh(&neigh->lock);
1187 memcpy(r->arp_ha.sa_data, neigh->ha,
> 1188 min(dev->addr_len, sizeof(r->arp_ha.sa_data)));
1189 r->arp_flags = arp_state_to_flags(neigh);
1190 read_unlock_bh(&neigh->lock);
1191
1192 neigh_release(neigh);
1193
1194 r->arp_ha.sa_family = dev->type;
1195 netdev_copy_name(dev, r->arp_dev);
1196
1197 return 0;
1198 }
1199
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
Powered by blists - more mailing lists