On Tue, Nov 19, 2013 at 07:56:35PM -0800, Kees Cook wrote:
> Hi!
>
> Which tree is 'devel-snb'? I don't see that on the kernel.org trees.
It's my local merge branch, based on the latest upstream release.
Let's CC the btrfs developers for this warning. :)
Thanks,
Fengguang
> On Tue, Nov 19, 2013 at 5:01 PM, kbuild test robot
> <fengguang...@intel.com> wrote:
> > tree: devel-snb-x86_64-201311200240
> > head: 1a985a0807ea34f37a4c5287089abd1cd2f65049
> > commit: a9b93a3684dd6ebfb7cfa173f78a79c09de81207 Merge
> > 'kees/format-security' into devel-snb-x86_64-201311200240
> > date: 6 hours ago
> > config: make ARCH=x86_64 allmodconfig
> >
> > All error/warnings:
> >
> > fs/btrfs/extent-tree.c:6201:12: sparse: symbol 'get_raid_name' was not
> > declared. Should it be static?
> > fs/btrfs/extent-tree.c:2469:28: sparse: context imbalance in
> > 'run_clustered_refs' - unexpected unlock
> > fs/btrfs/extent-tree.c:8304:9: sparse: context imbalance in
> > 'btrfs_put_block_group_cache' - wrong count at exit
> > fs/btrfs/extent-tree.c: In function '__link_block_group':
> >>> fs/btrfs/extent-tree.c:8430:9: error: format not a string literal and no
> >>> format arguments [-Werror=format-security]
> > get_raid_name(index));
> > ^
> > cc1: some warnings being treated as errors
> >
> > vim +8430 fs/btrfs/extent-tree.c
> >
> > 8414 return 0;
> > 8415 }
> > 8416
> > 8417 static void __link_block_group(struct btrfs_space_info *space_info,
> > 8418 struct btrfs_block_group_cache
> > *cache)
> > 8419 {
> > 8420 int index = get_block_group_index(cache);
> > 8421
> > 8422 down_write(&space_info->groups_sem);
> > 8423 if (list_empty(&space_info->block_groups[index])) {
> > 8424 struct kobject *kobj =
> > &space_info->block_group_kobjs[index];
> > 8425 int ret;
> > 8426
> > 8427 kobject_get(&space_info->kobj); /* put in release */
> > 8428 ret = kobject_init_and_add(kobj, &btrfs_raid_ktype,
> > 8429 &space_info->kobj,
> >> 8430 get_raid_name(index));
> > 8431 if (ret) {
> > 8432 pr_warn("btrfs: failed to add kobject for
> > block cache. ignoring.\n");
> > 8433 kobject_put(&space_info->kobj);
> > 8434 }
> > 8435 }
> > 8436 list_add_tail(&cache->list,
> > &space_info->block_groups[index]);
> > 8437 up_write(&space_info->groups_sem);
> > 8438 }
> >
> > ---
> > 0-DAY kernel build testing backend Open Source Technology
> > Center
> > http://lists.01.org/mailman/listinfo/kbuild Intel
> > Corporation
>
>
>
> --
> Kees Cook
> Chrome OS Security
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