Messages in this thread | | | Date | Wed, 17 Nov 2021 19:57:19 +0800 | From | kernel test robot <> | Subject | net/netfilter/nft_cmp.c:128:31: sparse: sparse: cast to restricted __be16 |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8ab774587903771821b59471cc723bba6d893942 commit: ff4d90a89d3d4d9814e0a2696509a7d495be4163 netfilter: nftables_offload: VLAN id needs host byteorder in flow dissector date: 7 months ago config: i386-randconfig-s031-20211116 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ff4d90a89d3d4d9814e0a2696509a7d495be4163 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout ff4d90a89d3d4d9814e0a2696509a7d495be4163 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash net/netfilter/
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/netfilter/nft_cmp.c:128:31: sparse: sparse: cast to restricted __be16 >> net/netfilter/nft_cmp.c:128:31: sparse: sparse: cast to restricted __be16 >> net/netfilter/nft_cmp.c:128:31: sparse: sparse: cast to restricted __be16 >> net/netfilter/nft_cmp.c:128:31: sparse: sparse: cast to restricted __be16 >> net/netfilter/nft_cmp.c:131:31: sparse: sparse: cast to restricted __be32 >> net/netfilter/nft_cmp.c:131:31: sparse: sparse: cast to restricted __be32 >> net/netfilter/nft_cmp.c:131:31: sparse: sparse: cast to restricted __be32 >> net/netfilter/nft_cmp.c:131:31: sparse: sparse: cast to restricted __be32 >> net/netfilter/nft_cmp.c:131:31: sparse: sparse: cast to restricted __be32 >> net/netfilter/nft_cmp.c:131:31: sparse: sparse: cast to restricted __be32 >> net/netfilter/nft_cmp.c:134:31: sparse: sparse: cast to restricted __be64 >> net/netfilter/nft_cmp.c:134:31: sparse: sparse: cast to restricted __be64 >> net/netfilter/nft_cmp.c:134:31: sparse: sparse: cast to restricted __be64 >> net/netfilter/nft_cmp.c:134:31: sparse: sparse: cast to restricted __be64 >> net/netfilter/nft_cmp.c:134:31: sparse: sparse: cast to restricted __be64 >> net/netfilter/nft_cmp.c:134:31: sparse: sparse: cast to restricted __be64 >> net/netfilter/nft_cmp.c:134:31: sparse: sparse: cast to restricted __be64 >> net/netfilter/nft_cmp.c:134:31: sparse: sparse: cast to restricted __be64 >> net/netfilter/nft_cmp.c:134:31: sparse: sparse: cast to restricted __be64 >> net/netfilter/nft_cmp.c:134:31: sparse: sparse: cast to restricted __be64 net/netfilter/nft_cmp.c: note: in included file: include/net/netfilter/nf_tables_core.h:53:16: sparse: sparse: incorrect type in return expression (different base types) @@ expected unsigned int @@ got restricted __le32 [usertype] @@ include/net/netfilter/nf_tables_core.h:53:16: sparse: expected unsigned int include/net/netfilter/nf_tables_core.h:53:16: sparse: got restricted __le32 [usertype]
vim +128 net/netfilter/nft_cmp.c
122 123 static void nft_payload_n2h(union nft_cmp_offload_data *data, 124 const u8 *val, u32 len) 125 { 126 switch (len) { 127 case 2: > 128 data->val16 = ntohs(*((u16 *)val)); 129 break; 130 case 4: > 131 data->val32 = ntohl(*((u32 *)val)); 132 break; 133 case 8: > 134 data->val64 = be64_to_cpu(*((u64 *)val)); 135 break; 136 default: 137 WARN_ON_ONCE(1); 138 break; 139 } 140 } 141
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