tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dcde237b9b0eb1d19306e6f48c0a4e058907619f commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 3 weeks ago config: arm64-randconfig-s032-20200708 (attached as .config) compiler: aarch64-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: v0.6.2-37-gc9676a3b-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=arm64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) net/netfilter/nf_tables_api.c:1405:25: sparse: sparse: cast between address spaces (__percpu -> __rcu) net/netfilter/nf_tables_api.c:1405:25: sparse: sparse: incompatible types in comparison expression (different address spaces): net/netfilter/nf_tables_api.c:1405:25: sparse: struct nft_stats [noderef] __rcu * net/netfilter/nf_tables_api.c:1405:25: sparse: struct nft_stats [noderef] __percpu * net/netfilter/nf_tables_api.c:1567:31: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected struct nft_stats [noderef] __percpu * @@ got void * @@ net/netfilter/nf_tables_api.c:1570:31: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected struct nft_stats [noderef] __percpu * @@ got void * @@ net/netfilter/nf_tables_api.c:1574:31: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected struct nft_stats [noderef] __percpu * @@ got void * @@ net/netfilter/nf_tables_api.c:1596:17: sparse: sparse: cast between address spaces (__percpu -> __rcu) net/netfilter/nf_tables_api.c:1596:17: sparse: sparse: incompatible types in comparison expression (different address spaces): net/netfilter/nf_tables_api.c:1596:17: sparse: struct nft_stats [noderef] __rcu * net/netfilter/nf_tables_api.c:1596:17: sparse: struct nft_stats [noderef] __percpu * net/netfilter/nf_tables_api.c:1596:17: sparse: sparse: incompatible types in comparison expression (different address spaces): net/netfilter/nf_tables_api.c:1596:17: sparse: struct nft_stats [noderef] __rcu * net/netfilter/nf_tables_api.c:1596:17: sparse: struct nft_stats [noderef] __percpu * net/netfilter/nf_tables_api.c:1639:21: sparse: sparse: cast between address spaces (__percpu -> __rcu) net/netfilter/nf_tables_api.c:1639:21: sparse: sparse: incompatible types in comparison expression (different address spaces): net/netfilter/nf_tables_api.c:1639:21: sparse: struct nft_stats [noderef] __rcu * net/netfilter/nf_tables_api.c:1639:21: sparse: struct nft_stats [noderef] __percpu * net/netfilter/nf_tables_api.c:1947:25: sparse: sparse: cast between address spaces (__percpu -> __rcu) net/netfilter/nf_tables_api.c:1947:25: sparse: sparse: incompatible types in comparison expression (different address spaces): net/netfilter/nf_tables_api.c:1947:25: sparse: struct nft_stats [noderef] __rcu * net/netfilter/nf_tables_api.c:1947:25: sparse: struct nft_stats [noderef] __percpu * net/netfilter/nf_tables_api.c:2097:23: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct nft_stats *stats @@ got struct nft_stats [noderef] __percpu * @@ net/netfilter/nf_tables_api.c:2097:23: sparse: expected struct nft_stats *stats >> net/netfilter/nf_tables_api.c:2097:23: sparse: got struct nft_stats >> [noderef] __percpu * net/netfilter/nf_tables_api.c:2108:38: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct nft_stats [noderef] __percpu *stats @@ got struct nft_stats *stats @@ >> net/netfilter/nf_tables_api.c:2108:38: sparse: expected struct nft_stats >> [noderef] __percpu *stats net/netfilter/nf_tables_api.c:2108:38: sparse: got struct nft_stats *stats net/netfilter/nf_tables_api.c:2144:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __percpu *__pdata @@ got struct nft_stats *stats @@ >> net/netfilter/nf_tables_api.c:2144:21: sparse: expected void [noderef] >> __percpu *__pdata net/netfilter/nf_tables_api.c:2144:21: sparse: got struct nft_stats *stats include/linux/rcupdate.h:686:9: sparse: sparse: context imbalance in 'nft_netlink_dump_start_rcu' - unexpected unlock -- >> drivers/rpmsg/qcom_glink_smem.c:93:17: sparse: sparse: incorrect type in >> argument 2 (different address spaces) @@ expected void const volatile >> [noderef] __iomem * @@ got void * @@ >> drivers/rpmsg/qcom_glink_smem.c:93:17: sparse: expected void const >> volatile [noderef] __iomem * drivers/rpmsg/qcom_glink_smem.c:93:17: sparse: got void * >> drivers/rpmsg/qcom_glink_smem.c:96:17: sparse: sparse: incorrect type in >> argument 2 (different address spaces) @@ expected void const volatile >> [noderef] __iomem * @@ got void *fifo @@ drivers/rpmsg/qcom_glink_smem.c:96:17: sparse: expected void const volatile [noderef] __iomem * drivers/rpmsg/qcom_glink_smem.c:96:17: sparse: got void *fifo vim +2097 net/netfilter/nf_tables_api.c d54725cd11a57c Pablo Neira Ayuso 2019-10-16 2034 c9626a2cbdb20e Pablo Neira Ayuso 2019-07-09 2035 static int nf_tables_updchain(struct nft_ctx *ctx, u8 genmask, u8 policy, c9626a2cbdb20e Pablo Neira Ayuso 2019-07-09 2036 u32 flags) 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2037 { 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2038 const struct nlattr * const *nla = ctx->nla; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2039 struct nft_table *table = ctx->table; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2040 struct nft_chain *chain = ctx->chain; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2041 struct nft_base_chain *basechain; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2042 struct nft_stats *stats = NULL; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2043 struct nft_chain_hook hook; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2044 struct nf_hook_ops *ops; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2045 struct nft_trans *trans; c974a3a36468d1 Pablo Neira Ayuso 2017-12-09 2046 int err; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2047 c9626a2cbdb20e Pablo Neira Ayuso 2019-07-09 2048 if (chain->flags ^ flags) c9626a2cbdb20e Pablo Neira Ayuso 2019-07-09 2049 return -EOPNOTSUPP; c9626a2cbdb20e Pablo Neira Ayuso 2019-07-09 2050 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2051 if (nla[NFTA_CHAIN_HOOK]) { 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2052 if (!nft_is_base_chain(chain)) 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2053 return -EBUSY; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2054 36596dadf54a92 Pablo Neira Ayuso 2018-01-09 2055 err = nft_chain_parse_hook(ctx->net, nla, &hook, ctx->family, 445509eb9b0027 Pablo Neira Ayuso 2018-08-03 2056 false); 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2057 if (err < 0) 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2058 return err; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2059 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2060 basechain = nft_base_chain(chain); 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2061 if (basechain->type != hook.type) { 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2062 nft_chain_release_hook(&hook); 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2063 return -EBUSY; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2064 } 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2065 d54725cd11a57c Pablo Neira Ayuso 2019-10-16 2066 if (ctx->family == NFPROTO_NETDEV) { d54725cd11a57c Pablo Neira Ayuso 2019-10-16 2067 if (!nft_hook_list_equal(&basechain->hook_list, d54725cd11a57c Pablo Neira Ayuso 2019-10-16 2068 &hook.list)) { d54725cd11a57c Pablo Neira Ayuso 2019-10-16 2069 nft_chain_release_hook(&hook); d54725cd11a57c Pablo Neira Ayuso 2019-10-16 2070 return -EBUSY; d54725cd11a57c Pablo Neira Ayuso 2019-10-16 2071 } d54725cd11a57c Pablo Neira Ayuso 2019-10-16 2072 } else { c974a3a36468d1 Pablo Neira Ayuso 2017-12-09 2073 ops = &basechain->ops; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2074 if (ops->hooknum != hook.num || d54725cd11a57c Pablo Neira Ayuso 2019-10-16 2075 ops->priority != hook.priority) { 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2076 nft_chain_release_hook(&hook); 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2077 return -EBUSY; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2078 } d54725cd11a57c Pablo Neira Ayuso 2019-10-16 2079 } 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2080 nft_chain_release_hook(&hook); 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2081 } 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2082 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2083 if (nla[NFTA_CHAIN_HANDLE] && 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2084 nla[NFTA_CHAIN_NAME]) { 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2085 struct nft_chain *chain2; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2086 f102d66b335a41 Florian Westphal 2018-07-11 2087 chain2 = nft_chain_lookup(ctx->net, table, f102d66b335a41 Florian Westphal 2018-07-11 2088 nla[NFTA_CHAIN_NAME], genmask); 0d18779be13766 JingPiao Chen 2017-09-23 2089 if (!IS_ERR(chain2)) 0d18779be13766 JingPiao Chen 2017-09-23 2090 return -EEXIST; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2091 } 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2092 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2093 if (nla[NFTA_CHAIN_COUNTERS]) { 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2094 if (!nft_is_base_chain(chain)) 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2095 return -EOPNOTSUPP; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2096 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 @2097 stats = nft_stats_alloc(nla[NFTA_CHAIN_COUNTERS]); 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2098 if (IS_ERR(stats)) 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2099 return PTR_ERR(stats); 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2100 } 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2101 c6cc94df65c317 Florian Westphal 2018-07-17 2102 err = -ENOMEM; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2103 trans = nft_trans_alloc(ctx, NFT_MSG_NEWCHAIN, 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2104 sizeof(struct nft_trans_chain)); c6cc94df65c317 Florian Westphal 2018-07-17 2105 if (trans == NULL) c6cc94df65c317 Florian Westphal 2018-07-17 2106 goto err; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2107 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 @2108 nft_trans_chain_stats(trans) = stats; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2109 nft_trans_chain_update(trans) = true; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2110 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2111 if (nla[NFTA_CHAIN_POLICY]) 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2112 nft_trans_chain_policy(trans) = policy; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2113 else 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2114 nft_trans_chain_policy(trans) = -1; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2115 c6cc94df65c317 Florian Westphal 2018-07-17 2116 if (nla[NFTA_CHAIN_HANDLE] && c6cc94df65c317 Florian Westphal 2018-07-17 2117 nla[NFTA_CHAIN_NAME]) { c6cc94df65c317 Florian Westphal 2018-07-17 2118 struct nft_trans *tmp; c6cc94df65c317 Florian Westphal 2018-07-17 2119 char *name; c6cc94df65c317 Florian Westphal 2018-07-17 2120 c6cc94df65c317 Florian Westphal 2018-07-17 2121 err = -ENOMEM; c6cc94df65c317 Florian Westphal 2018-07-17 2122 name = nla_strdup(nla[NFTA_CHAIN_NAME], GFP_KERNEL); c6cc94df65c317 Florian Westphal 2018-07-17 2123 if (!name) c6cc94df65c317 Florian Westphal 2018-07-17 2124 goto err; c6cc94df65c317 Florian Westphal 2018-07-17 2125 c6cc94df65c317 Florian Westphal 2018-07-17 2126 err = -EEXIST; c6cc94df65c317 Florian Westphal 2018-07-17 2127 list_for_each_entry(tmp, &ctx->net->nft.commit_list, list) { c6cc94df65c317 Florian Westphal 2018-07-17 2128 if (tmp->msg_type == NFT_MSG_NEWCHAIN && c6cc94df65c317 Florian Westphal 2018-07-17 2129 tmp->ctx.table == table && c6cc94df65c317 Florian Westphal 2018-07-17 2130 nft_trans_chain_update(tmp) && c6cc94df65c317 Florian Westphal 2018-07-17 2131 nft_trans_chain_name(tmp) && c6cc94df65c317 Florian Westphal 2018-07-17 2132 strcmp(name, nft_trans_chain_name(tmp)) == 0) { c6cc94df65c317 Florian Westphal 2018-07-17 2133 kfree(name); c6cc94df65c317 Florian Westphal 2018-07-17 2134 goto err; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2135 } 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2136 } c6cc94df65c317 Florian Westphal 2018-07-17 2137 c6cc94df65c317 Florian Westphal 2018-07-17 2138 nft_trans_chain_name(trans) = name; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2139 } 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2140 list_add_tail(&trans->list, &ctx->net->nft.commit_list); 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2141 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2142 return 0; c6cc94df65c317 Florian Westphal 2018-07-17 2143 err: c6cc94df65c317 Florian Westphal 2018-07-17 @2144 free_percpu(stats); c6cc94df65c317 Florian Westphal 2018-07-17 2145 kfree(trans); c6cc94df65c317 Florian Westphal 2018-07-17 2146 return err; 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2147 } 2c4a488a482d26 Pablo Neira Ayuso 2017-09-03 2148 :::::: The code at line 2097 was first introduced by commit :::::: 2c4a488a482d265df4505671f6051067524c4f76 netfilter: nf_tables: add nf_tables_updchain() :::::: TO: Pablo Neira Ayuso <[email protected]> :::::: CC: Pablo Neira Ayuso <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
