* net/netfilter/ipset/ip_set_hash_netiface.c:163:25: sparse: sparse: cast to non-scalar
@ 2026-09-19 21:13 kernel test robot
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From: kernel test robot @ 2026-09-19 21:13 UTC (permalink / raw)
To: Florian Westphal; +Cc: oe-kbuild-all, linux-kernel, Pablo Neira Ayuso
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f259f446f5198d98e13756d2cd531812a0ad3064
commit: e80456d79ec83b00a6bd44c377684b1632ccc3c7 netfilter: ipset: remove need to allocate memory on delete operations
date: 5 weeks ago
config: alpha-randconfig-r1306-20260919 (https://download.01.org/0day-ci/archive/20260920/202609200503.KbHsIjIf-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 8.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260920/202609200503.KbHsIjIf-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
| Fixes: e80456d79ec8 ("netfilter: ipset: remove need to allocate memory on delete operations")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609200503.KbHsIjIf-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
net/netfilter/ipset/ip_set_hash_netiface.c: note: in included file:
net/netfilter/ipset/ip_set_hash_gen.h:368:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:368:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:440:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:440:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:460:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:460:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1333:40: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1333:40: sparse: sparse: cast from non-scalar
>> net/netfilter/ipset/ip_set_hash_netiface.c:163:25: sparse: sparse: cast to non-scalar
>> net/netfilter/ipset/ip_set_hash_netiface.c:163:25: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_netiface.c: note: in included file:
net/netfilter/ipset/ip_set_hash_gen.h:368:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:368:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:440:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:440:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:460:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:460:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1333:40: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1333:40: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_netiface.c:384:25: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_netiface.c:384:25: sparse: sparse: cast from non-scalar
--
net/netfilter/ipset/ip_set_hash_netnet.c: note: in included file:
net/netfilter/ipset/ip_set_hash_gen.h:368:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:368:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:440:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:440:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:460:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:460:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1333:40: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1333:40: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1341:48: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1341:48: sparse: sparse: cast from non-scalar
>> net/netfilter/ipset/ip_set_hash_netnet.c:153:21: sparse: sparse: cast to non-scalar
>> net/netfilter/ipset/ip_set_hash_netnet.c:153:21: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_netnet.c:154:21: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_netnet.c:154:21: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_netnet.c: note: in included file:
net/netfilter/ipset/ip_set_hash_gen.h:368:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:368:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:440:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:440:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:460:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:460:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1333:40: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1333:40: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1341:48: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1341:48: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_netnet.c:394:21: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_netnet.c:394:21: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_netnet.c:395:21: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_netnet.c:395:21: sparse: sparse: cast from non-scalar
--
net/netfilter/ipset/ip_set_hash_netportnet.c: note: in included file:
net/netfilter/ipset/ip_set_hash_gen.h:368:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:368:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:440:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:440:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:460:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:460:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1333:40: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1333:40: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1341:48: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1341:48: sparse: sparse: cast from non-scalar
>> net/netfilter/ipset/ip_set_hash_netportnet.c:160:21: sparse: sparse: cast to non-scalar
>> net/netfilter/ipset/ip_set_hash_netportnet.c:160:21: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_netportnet.c:161:21: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_netportnet.c:161:21: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_netportnet.c: note: in included file:
net/netfilter/ipset/ip_set_hash_gen.h:368:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:368:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:440:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:440:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:460:22: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:460:22: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1333:40: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1333:40: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1341:48: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_gen.h:1341:48: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_netportnet.c:457:21: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_netportnet.c:457:21: sparse: sparse: cast from non-scalar
net/netfilter/ipset/ip_set_hash_netportnet.c:458:21: sparse: sparse: cast to non-scalar
net/netfilter/ipset/ip_set_hash_netportnet.c:458:21: sparse: sparse: cast from non-scalar
vim +163 net/netfilter/ipset/ip_set_hash_netiface.c
c737b7c4510026 Florian Westphal 2015-04-02 154
e385357a2f214e Jozsef Kadlecsik 2011-06-16 155 static int
e385357a2f214e Jozsef Kadlecsik 2011-06-16 156 hash_netiface4_kadt(struct ip_set *set, const struct sk_buff *skb,
e385357a2f214e Jozsef Kadlecsik 2011-06-16 157 const struct xt_action_param *par,
5d50e1d88336a9 Jozsef Kadlecsik 2013-04-08 158 enum ipset_adt adt, struct ip_set_adt_opt *opt)
e385357a2f214e Jozsef Kadlecsik 2011-06-16 159 {
21956ab290f7f3 Jozsef Kadlecsik 2015-06-26 160 struct hash_netiface4 *h = set->data;
e385357a2f214e Jozsef Kadlecsik 2011-06-16 161 ipset_adtfn adtfn = set->variant->adt[adt];
5d50e1d88336a9 Jozsef Kadlecsik 2013-04-08 162 struct hash_netiface4_elem e = {
8e5fd2a55e2468 Jozsef Kadlecsik 2026-07-30 @163 .cidr = INIT_CIDR(h->rnets[0], HOST_MASK),
bd9087e0407bfb Jozsef Kadlecsik 2012-09-10 164 .elem = 1,
e385357a2f214e Jozsef Kadlecsik 2011-06-16 165 };
ca134ce86451f3 Jozsef Kadlecsik 2013-09-07 166 struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
e385357a2f214e Jozsef Kadlecsik 2011-06-16 167
e385357a2f214e Jozsef Kadlecsik 2011-06-16 168 if (adt == IPSET_TEST)
5d50e1d88336a9 Jozsef Kadlecsik 2013-04-08 169 e.cidr = HOST_MASK;
e385357a2f214e Jozsef Kadlecsik 2011-06-16 170
5d50e1d88336a9 Jozsef Kadlecsik 2013-04-08 171 ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip);
5d50e1d88336a9 Jozsef Kadlecsik 2013-04-08 172 e.ip &= ip_set_netmask(e.cidr);
e385357a2f214e Jozsef Kadlecsik 2011-06-16 173
:::::: The code at line 163 was first introduced by commit
:::::: 8e5fd2a55e2468f6225ef5af01ae58cdbcbae8cf netfilter: ipset: rework cidr bookkeeping
:::::: TO: Jozsef Kadlecsik <kadlec@netfilter.org>
:::::: CC: Pablo Neira Ayuso <pablo@netfilter.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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