tree:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
commit: 32927393dc1ccd60fb2bdc05b9e8e88753761469 [3942/14131] sysctl: pass kernel pointers
to ->proc_handler
:::::: branch date: 3 days ago
:::::: commit date: 5 weeks ago
config: i386-randconfig-s002-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 32927393dc1ccd60fb2bdc05b9e8e88753761469
# save the attached .config to linux build tree
make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp(a)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
--
drivers/char/random.c:2100:50: sparse: sparse: incorrect type in argument 3 (different
address spaces) @@ expected void * @@ got void [noderef] <asn:1> *buffer @@
> drivers/char/random.c:2100:50: sparse: expected void *
drivers/char/random.c:2100:50: sparse: got void [noderef] <asn:1> *buffer
drivers/char/random.c:2117:35: sparse: sparse: incorrect type in initializer
(incompatible argument 3 (different address spaces)) @@ expected int ( [usertype]
*proc_handler )( ... ) @@ got int ( * )( ... ) @@
drivers/char/random.c:2117:35: sparse: expected int ( [usertype] *proc_handler )(
... )
> drivers/char/random.c:2117:35: sparse: got int ( * )( ... )
--
net/ipv6/ndisc.c:1850:55: sparse: sparse: incorrect type in argument 3 (different
address spaces) @@ expected void [noderef] <asn:1> *buffer @@ got void
*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 void
*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 void
*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/commi...
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
1f9248e5606afc Jiri Pirko 2013-12-07 3459
32927393dc1ccd Christoph Hellwig 2020-04-24 @3460 int neigh_proc_dointvec(struct
ctl_table *ctl, int write, void *buffer,
32927393dc1ccd Christoph Hellwig 2020-04-24 3461 size_t *lenp, loff_t *ppos)
cb5b09c17fe600 Jiri Pirko 2013-12-07 3462 {
1d4c8c29841b99 Jiri Pirko 2013-12-07 3463 int ret = proc_dointvec(ctl, write,
buffer, lenp, ppos);
1d4c8c29841b99 Jiri Pirko 2013-12-07 3464
1d4c8c29841b99 Jiri Pirko 2013-12-07 3465 neigh_proc_update(ctl, write);
1d4c8c29841b99 Jiri Pirko 2013-12-07 3466 return ret;
cb5b09c17fe600 Jiri Pirko 2013-12-07 3467 }
cb5b09c17fe600 Jiri Pirko 2013-12-07 3468 EXPORT_SYMBOL(neigh_proc_dointvec);
cb5b09c17fe600 Jiri Pirko 2013-12-07 3469
32927393dc1ccd Christoph Hellwig 2020-04-24 @3470 int neigh_proc_dointvec_jiffies(struct
ctl_table *ctl, int write, void *buffer,
cb5b09c17fe600 Jiri Pirko 2013-12-07 3471 size_t *lenp, loff_t *ppos)
cb5b09c17fe600 Jiri Pirko 2013-12-07 3472 {
1d4c8c29841b99 Jiri Pirko 2013-12-07 3473 int ret = proc_dointvec_jiffies(ctl,
write, buffer, lenp, ppos);
1d4c8c29841b99 Jiri Pirko 2013-12-07 3474
1d4c8c29841b99 Jiri Pirko 2013-12-07 3475 neigh_proc_update(ctl, write);
1d4c8c29841b99 Jiri Pirko 2013-12-07 3476 return ret;
cb5b09c17fe600 Jiri Pirko 2013-12-07 3477 }
cb5b09c17fe600 Jiri Pirko 2013-12-07 3478
EXPORT_SYMBOL(neigh_proc_dointvec_jiffies);
cb5b09c17fe600 Jiri Pirko 2013-12-07 3479
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org