* [kbuild] [linux-next:master 3956/12102] net/core/neighbour.c:3460:5: sparse: int extern [addressable] [signed] [toplevel] neigh_proc_dointvec( ... )
@ 2020-05-26 0:19 kbuild test robot
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From: kbuild test robot @ 2020-05-26 0:19 UTC (permalink / raw)
To: kbuild-all
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: c11d28ab4a691736e30b49813fb801847bd44e83
commit: 32927393dc1ccd60fb2bdc05b9e8e88753761469 [3956/12102] sysctl: pass kernel pointers to ->proc_handler
config: c6x-randconfig-s001-20200524 (attached as .config)
compiler: c6x-elf-gcc (GCC) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-240-gf0fe1cd9-dirty
git checkout 32927393dc1ccd60fb2bdc05b9e8e88753761469
# save the attached .config to linux build tree
make W=1 C=1 ARCH=c6x CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
net/core/neighbour.c:3460:5: sparse: sparse: symbol 'neigh_proc_dointvec' redeclared with different type (incompatible argument 3 (different address spaces)):
>> net/core/neighbour.c:3460:5: sparse: int extern [addressable] [signed] [toplevel] neigh_proc_dointvec( ... )
include/net/neighbour.h:394:5: sparse: note: previously declared as:
>> include/net/neighbour.h:394:5: sparse: int extern [addressable] [signed] [toplevel] neigh_proc_dointvec( ... )
net/core/neighbour.c:3470:5: sparse: sparse: symbol 'neigh_proc_dointvec_jiffies' redeclared with different type (incompatible argument 3 (different address spaces)):
>> net/core/neighbour.c:3470:5: sparse: int extern [addressable] [signed] [toplevel] neigh_proc_dointvec_jiffies( ... )
include/net/neighbour.h:396:5: sparse: note: previously declared as:
>> include/net/neighbour.h:396:5: sparse: int extern [addressable] [signed] [toplevel] neigh_proc_dointvec_jiffies( ... )
net/core/neighbour.c:3490:5: sparse: sparse: symbol 'neigh_proc_dointvec_ms_jiffies' redeclared with different type (incompatible argument 3 (different address spaces)):
>> net/core/neighbour.c:3490:5: sparse: int extern [addressable] [signed] [toplevel] neigh_proc_dointvec_ms_jiffies( ... )
include/net/neighbour.h:399:5: sparse: note: previously declared as:
>> include/net/neighbour.h:399:5: sparse: int extern [addressable] [signed] [toplevel] neigh_proc_dointvec_ms_jiffies( ... )
net/core/neighbour.c:348:12: sparse: sparse: context imbalance in '__neigh_ifdown' - wrong count at exit
net/core/neighbour.c:803:9: sparse: sparse: context imbalance in 'pneigh_ifdown_and_unlock' - unexpected unlock
--
net/ipv6/ndisc.c:1850:55: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void [noderef] <asn:1> *buffer @@ got n:1> *buffer @@
net/ipv6/ndisc.c:1850:55: sparse: expected void [noderef] <asn:1> *buffer
net/ipv6/ndisc.c:1850:55: sparse: got void *buffer
net/ipv6/ndisc.c:1854:51: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void [noderef] <asn:1> *buffer @@ got n:1> *buffer @@
net/ipv6/ndisc.c:1854:51: sparse: expected void [noderef] <asn:1> *buffer
net/ipv6/ndisc.c:1854:51: sparse: got void *buffer
net/ipv6/ndisc.c:1859:54: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void [noderef] <asn:1> *buffer @@ got n:1> *buffer @@
net/ipv6/ndisc.c:1859:54: sparse: expected void [noderef] <asn:1> *buffer
net/ipv6/ndisc.c:1859:54: sparse: got void *buffer
net/ipv6/ndisc.c:1838:5: sparse: sparse: symbol 'ndisc_ifinfo_sysctl_change' redeclared with different type (incompatible argument 3 (different address spaces)):
>> net/ipv6/ndisc.c:1838:5: sparse: int extern [addressable] [signed] [toplevel] ndisc_ifinfo_sysctl_change( ... )
include/net/ndisc.h:496:5: sparse: note: previously declared as:
>> include/net/ndisc.h:496:5: sparse: int extern [addressable] [signed] [toplevel] ndisc_ifinfo_sysctl_change( ... )
include/net/addrconf.h:478:36: sparse: sparse: restricted __be32 degrades to integer
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=32927393dc1ccd60fb2bdc05b9e8e88753761469
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update linux-next
git checkout 32927393dc1ccd60fb2bdc05b9e8e88753761469
vim +3460 net/core/neighbour.c
1f9248e5606afc6 Jiri Pirko 2013-12-07 3459
32927393dc1ccd6 Christoph Hellwig 2020-04-24 @3460 int neigh_proc_dointvec(struct ctl_table *ctl, int write, void *buffer,
32927393dc1ccd6 Christoph Hellwig 2020-04-24 3461 size_t *lenp, loff_t *ppos)
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3462 {
1d4c8c29841b999 Jiri Pirko 2013-12-07 3463 int ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
1d4c8c29841b999 Jiri Pirko 2013-12-07 3464
1d4c8c29841b999 Jiri Pirko 2013-12-07 3465 neigh_proc_update(ctl, write);
1d4c8c29841b999 Jiri Pirko 2013-12-07 3466 return ret;
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3467 }
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3468 EXPORT_SYMBOL(neigh_proc_dointvec);
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3469
32927393dc1ccd6 Christoph Hellwig 2020-04-24 @3470 int neigh_proc_dointvec_jiffies(struct ctl_table *ctl, int write, void *buffer,
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3471 size_t *lenp, loff_t *ppos)
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3472 {
1d4c8c29841b999 Jiri Pirko 2013-12-07 3473 int ret = proc_dointvec_jiffies(ctl, write, buffer, lenp, ppos);
1d4c8c29841b999 Jiri Pirko 2013-12-07 3474
1d4c8c29841b999 Jiri Pirko 2013-12-07 3475 neigh_proc_update(ctl, write);
1d4c8c29841b999 Jiri Pirko 2013-12-07 3476 return ret;
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3477 }
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3478 EXPORT_SYMBOL(neigh_proc_dointvec_jiffies);
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3479
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3480 static int neigh_proc_dointvec_userhz_jiffies(struct ctl_table *ctl, int write,
32927393dc1ccd6 Christoph Hellwig 2020-04-24 3481 void *buffer, size_t *lenp,
32927393dc1ccd6 Christoph Hellwig 2020-04-24 3482 loff_t *ppos)
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3483 {
1d4c8c29841b999 Jiri Pirko 2013-12-07 3484 int ret = proc_dointvec_userhz_jiffies(ctl, write, buffer, lenp, ppos);
1d4c8c29841b999 Jiri Pirko 2013-12-07 3485
1d4c8c29841b999 Jiri Pirko 2013-12-07 3486 neigh_proc_update(ctl, write);
1d4c8c29841b999 Jiri Pirko 2013-12-07 3487 return ret;
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3488 }
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3489
cb5b09c17fe6005 Jiri Pirko 2013-12-07 @3490 int neigh_proc_dointvec_ms_jiffies(struct ctl_table *ctl, int write,
32927393dc1ccd6 Christoph Hellwig 2020-04-24 3491 void *buffer, size_t *lenp, loff_t *ppos)
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3492 {
1d4c8c29841b999 Jiri Pirko 2013-12-07 3493 int ret = proc_dointvec_ms_jiffies(ctl, write, buffer, lenp, ppos);
1d4c8c29841b999 Jiri Pirko 2013-12-07 3494
1d4c8c29841b999 Jiri Pirko 2013-12-07 3495 neigh_proc_update(ctl, write);
1d4c8c29841b999 Jiri Pirko 2013-12-07 3496 return ret;
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3497 }
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3498 EXPORT_SYMBOL(neigh_proc_dointvec_ms_jiffies);
cb5b09c17fe6005 Jiri Pirko 2013-12-07 3499
---
0-DAY CI Kernel Test Service, Intel Corporation
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2020-05-26 0:19 [kbuild] [linux-next:master 3956/12102] net/core/neighbour.c:3460:5: sparse: int extern [addressable] [signed] [toplevel] neigh_proc_dointvec( ... ) kbuild test robot
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