10:24 a.m.
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...
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(a)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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