CC: kbuild-...@lists.01.org TO: Christoph Hellwig <h...@lst.de> CC: Al Viro <v...@zeniv.linux.org.uk>
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 :::::: branch date: 2 days ago :::::: commit date: 4 weeks ago 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 <l...@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 https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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