From: kernel test robot <lkp@intel.com>
To: Al Viro <viro@zeniv.linux.org.uk>
Cc: oe-kbuild-all@lists.linux.dev, linux-fsdevel@vger.kernel.org
Subject: [viro-vfs:work.csum-x86 4/18] arch/x86/include/asm/checksum_32.h:41:57: sparse: sparse: incorrect type in argument 1 (different base types)
Date: Sat, 25 Nov 2023 01:50:29 +0800 [thread overview]
Message-ID: <202311250010.dikaDI0D-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git work.csum-x86
head: f6c1313680f1d2319d2061c63abeb76f820319b8
commit: 90c2bfd06916ac7c05129b36683bfd3424d8e0e4 [4/18] Fix the csum_and_copy_..._user() idiocy
config: i386-randconfig-061-20231124 (https://download.01.org/0day-ci/archive/20231125/202311250010.dikaDI0D-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231125/202311250010.dikaDI0D-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311250010.dikaDI0D-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
net/ipv4/raw.c: note: in included file (through arch/x86/include/asm/checksum.h, include/net/checksum.h, include/linux/skbuff.h, ...):
>> arch/x86/include/asm/checksum_32.h:41:57: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted __wsum [usertype] v @@ got restricted __wsum_fault @@
arch/x86/include/asm/checksum_32.h:41:57: sparse: expected restricted __wsum [usertype] v
arch/x86/include/asm/checksum_32.h:41:57: sparse: got restricted __wsum_fault
>> arch/x86/include/asm/checksum_32.h:41:31: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __wsum @@ got restricted __wsum_fault @@
arch/x86/include/asm/checksum_32.h:41:31: sparse: expected restricted __wsum
arch/x86/include/asm/checksum_32.h:41:31: sparse: got restricted __wsum_fault
net/ipv4/raw.c: note: in included file (through include/linux/skbuff.h, include/linux/pim.h, include/linux/mroute.h):
include/net/checksum.h:36:17: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __wsum_fault @@ got restricted __wsum [usertype] @@
include/net/checksum.h:36:17: sparse: expected restricted __wsum_fault
include/net/checksum.h:36:17: sparse: got restricted __wsum [usertype]
--
net/ipv4/ip_output.c: note: in included file (through arch/x86/include/asm/checksum.h, include/net/checksum.h, include/linux/skbuff.h, ...):
>> arch/x86/include/asm/checksum_32.h:41:57: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted __wsum [usertype] v @@ got restricted __wsum_fault @@
arch/x86/include/asm/checksum_32.h:41:57: sparse: expected restricted __wsum [usertype] v
arch/x86/include/asm/checksum_32.h:41:57: sparse: got restricted __wsum_fault
>> arch/x86/include/asm/checksum_32.h:41:31: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __wsum @@ got restricted __wsum_fault @@
arch/x86/include/asm/checksum_32.h:41:31: sparse: expected restricted __wsum
arch/x86/include/asm/checksum_32.h:41:31: sparse: got restricted __wsum_fault
net/ipv4/ip_output.c: note: in included file (through include/linux/skbuff.h, include/net/net_namespace.h, include/linux/inet.h):
include/net/checksum.h:36:17: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __wsum_fault @@ got restricted __wsum [usertype] @@
include/net/checksum.h:36:17: sparse: expected restricted __wsum_fault
include/net/checksum.h:36:17: sparse: got restricted __wsum [usertype]
--
net/ipv4/icmp.c: note: in included file (through arch/x86/include/asm/checksum.h, include/net/checksum.h, include/linux/skbuff.h, ...):
>> arch/x86/include/asm/checksum_32.h:41:57: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted __wsum [usertype] v @@ got restricted __wsum_fault @@
arch/x86/include/asm/checksum_32.h:41:57: sparse: expected restricted __wsum [usertype] v
arch/x86/include/asm/checksum_32.h:41:57: sparse: got restricted __wsum_fault
>> arch/x86/include/asm/checksum_32.h:41:31: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __wsum @@ got restricted __wsum_fault @@
arch/x86/include/asm/checksum_32.h:41:31: sparse: expected restricted __wsum
arch/x86/include/asm/checksum_32.h:41:31: sparse: got restricted __wsum_fault
net/ipv4/icmp.c: note: in included file (through include/linux/skbuff.h, include/net/net_namespace.h, include/linux/inet.h):
include/net/checksum.h:36:17: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __wsum_fault @@ got restricted __wsum [usertype] @@
include/net/checksum.h:36:17: sparse: expected restricted __wsum_fault
include/net/checksum.h:36:17: sparse: got restricted __wsum [usertype]
net/ipv4/icmp.c: note: in included file (through include/linux/spinlock.h, include/linux/mmzone.h, include/linux/gfp.h, ...):
include/linux/bottom_half.h:33:30: sparse: sparse: context imbalance in 'icmp_reply' - different lock contexts for basic block
include/linux/bottom_half.h:33:30: sparse: sparse: context imbalance in '__icmp_send' - different lock contexts for basic block
net/ipv4/icmp.c: note: in included file (through include/linux/skbuff.h, include/net/net_namespace.h, include/linux/inet.h):
include/net/checksum.h:95:59: sparse: sparse: self-comparison always evaluates to false
vim +41 arch/x86/include/asm/checksum_32.h
31
32 /*
33 * Note: when you get a NULL pointer exception here this means someone
34 * passed in an incorrect kernel address to one of these functions.
35 *
36 * If you use these functions directly please don't forget the
37 * access_ok().
38 */
39 static inline __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len)
40 {
> 41 return from_wsum_fault(csum_partial_copy_generic(src, dst, len));
42 }
43
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2023-11-24 17:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-24 17:50 kernel test robot [this message]
2023-11-24 18:31 ` [viro-vfs:work.csum-x86 4/18] arch/x86/include/asm/checksum_32.h:41:57: sparse: sparse: incorrect type in argument 1 (different base types) Al Viro
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