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Darrick J. Wong ea9a46e1c4 xfs: only return detailed fsmap info if the caller has CAP_SYS_ADMIN 
There were a number of handwaving complaints that one could "possibly"
use inode numbers and extent maps to fingerprint a filesystem hosting
multiple containers and somehow use the information to guess at the
contents of other containers and attack them.  Despite the total lack of
any demonstration that this is actually possible, it's easier to
restrict access now and broaden it later, so use the rmapbt fsmap
backends only if the caller has CAP_SYS_ADMIN.  Unprivileged users will
just have to make do with only getting the free space and static
metadata placement information.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
2017-05-16 12:26:16 -07:00
..
libxfs
xfs: fix warnings about unused stack variables
2017-05-16 09:24:36 -07:00
Kconfig
xfs: implement iomap based buffered write path
2016-06-21 09:53:44 +10:00
kmem.c
mm, vmalloc: use __GFP_HIGHMEM implicitly
2017-05-08 17:15:13 -07:00
kmem.h
mm: introduce memalloc_nofs_{save,restore} API
2017-05-03 15:52:09 -07:00
Makefile
xfs: implement the GETFSMAP ioctl
2017-04-03 15:18:17 -07:00
mrlock.h
…
uuid.c
…
uuid.h
…
xfs_acl.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
xfs_acl.h
xfs: Change how listxattr generates synthetic attributes
2015-12-06 21:34:16 -05:00
xfs_aops.c
Changes for 4.12:
2017-05-06 11:46:16 -07:00
xfs_aops.h
xfs: use iomap_dio_rw
2016-11-30 14:37:15 +11:00
xfs_attr_inactive.c
xfs: make several functions static
2016-06-01 17:38:15 +10:00
xfs_attr_list.c
xfs: several xattr functions can be void
2016-12-05 12:32:14 +11:00
xfs_attr.h
xfs: several xattr functions can be void
2016-12-05 12:32:14 +11:00
xfs_bmap_item.c
xfs: reserve enough blocks to handle btree splits when remapping
2017-05-03 13:21:40 -07:00
xfs_bmap_item.h
xfs: log bmap intent items
2016-10-04 11:05:44 -07:00
xfs_bmap_util.c
xfs: bad assertion for delalloc an extent that start at i_size
2017-05-16 09:24:36 -07:00
xfs_bmap_util.h
xfs: remove unused full argument from bmap
2017-01-30 16:32:25 -08:00
xfs_buf_item.c
xfs: reset b_first_retry_time when clear the retry status of xfs_buf_t
2017-02-03 14:39:07 -08:00
xfs_buf_item.h
…
xfs_buf.c
Changes for 4.12:
2017-05-06 11:46:16 -07:00
xfs_buf.h
xfs: fix up quotacheck buffer list error handling
2017-04-25 09:40:42 -07:00
xfs_dir2_readdir.c
xfs: prevent multi-fsb dir readahead from reading random blocks
2017-04-25 09:40:40 -07:00
xfs_discard.c
xfs: Allow user to kill fstrim process
2017-04-27 10:45:34 -07:00
xfs_discard.h
xfs: don't block the log commit handler for discards
2017-02-09 11:36:40 -08:00
xfs_dquot_item.c
xfs: allocate log vector buffers outside CIL context lock
2016-07-22 09:52:35 +10:00
xfs_dquot_item.h
…
xfs_dquot.c
xfs: don't wrap ID in xfs_dq_get_next_id
2017-01-17 11:43:38 -08:00
xfs_dquot.h
…
xfs_error.c
Merge branch 'xfs-4.8-misc-fixes-3' into for-next
2016-07-20 11:51:08 +10:00
xfs_error.h
xfs: simulate per-AG reservations being critically low
2016-10-05 16:26:31 -07:00
xfs_export.c
xfs: abstract block export operations from nfsd layouts
2016-07-15 15:31:29 -04:00
xfs_export.h
…
xfs_extent_busy.c
xfs: fix len comparison in xfs_extent_busy_trim
2017-02-16 17:20:12 -08:00
xfs_extent_busy.h
xfs: improve handling of busy extents in the low-level allocator
2017-02-09 10:50:25 -08:00
xfs_extfree_item.c
xfs: better log intent item refcount checking
2017-04-25 09:40:42 -07:00
xfs_extfree_item.h
xfs: refactor redo intent item processing
2016-08-03 11:23:49 +10:00
xfs_file.c
fs: add i_blocksize()
2017-02-27 18:43:46 -08:00
xfs_filestream.c
Merge branch 'xfs-4.9-log-recovery-fixes' into for-next
2016-10-03 09:56:28 +11:00
xfs_filestream.h
…
xfs_fsmap.c
xfs: only return detailed fsmap info if the caller has CAP_SYS_ADMIN
2017-05-16 12:26:16 -07:00
xfs_fsmap.h
xfs: implement the GETFSMAP ioctl
2017-04-03 15:18:17 -07:00
xfs_fsops.c
xfs: remove boilerplate around xfs_btree_init_block
2017-01-30 16:32:24 -08:00
xfs_fsops.h
xfs: preallocate blocks for worst-case btree expansion
2016-10-05 16:26:27 -07:00
xfs_globals.c
xfs: garbage collect old cowextsz reservations
2016-10-05 16:26:28 -07:00
xfs_icache.c
xfs: update ag iterator to support wait on new inodes
2017-04-28 08:11:08 -07:00
xfs_icache.h
xfs: update ag iterator to support wait on new inodes
2017-04-28 08:11:08 -07:00
xfs_icreate_item.c
fs: xfs: xfs_icreate_item: constify xfs_item_ops structure
2016-11-28 14:57:42 +11:00
xfs_icreate_item.h
…
xfs_inode_item.c
xfs: remove xfs_trans_ail_delete_bulk
2017-04-25 09:40:42 -07:00
xfs_inode_item.h
xfs: remove timestamps from incore inode
2016-02-09 16:54:58 +11:00
xfs_inode.c
xfs: drop iolock from reclaim context to appease lockdep
2017-04-12 08:43:23 -07:00
xfs_inode.h
xfs: support ability to wait on new inodes
2017-04-28 08:11:08 -07:00
xfs_ioctl32.c
xfs: implement the GETFSMAP ioctl
2017-04-03 15:18:17 -07:00
xfs_ioctl32.h
…
xfs_ioctl.c
xfs: fix getfsmap userspace memory corruption while setting OF_LAST
2017-04-25 09:40:42 -07:00
xfs_ioctl.h
xfs: don't pass ioflags around in the ioctl path
2016-07-20 11:29:35 +10:00
xfs_iomap.c
Changes for 4.12:
2017-05-06 11:46:16 -07:00
xfs_iomap.h
xfs: introduce xfs_aligned_fsb_count
2017-02-06 17:47:46 -08:00
xfs_iops.c
xfs: report crtime and attribute flags to statx
2017-04-03 01:05:59 -04:00
xfs_iops.h
xfs: Propagate dentry down to inode_change_ok()
2016-09-22 10:56:19 +02:00
xfs_itable.c
xfs: fix kernel memory exposure problems
2017-04-03 15:18:15 -07:00
xfs_itable.h
…
xfs_linux.h
xfs: remove custom do_div implementations
2017-04-12 08:42:51 -07:00
xfs_log_cil.c
xfs: don't block the log commit handler for discards
2017-02-09 11:36:40 -08:00
xfs_log_priv.h
xfs: don't block the log commit handler for discards
2017-02-09 11:36:40 -08:00
xfs_log_recover.c
scripts/spelling.txt: add "intialise(d)" pattern and fix typo instances
2017-05-08 17:15:13 -07:00
xfs_log.c
xfs: corruption needs to respect endianess too!
2017-04-25 09:40:42 -07:00
xfs_log.h
xfs: remove unused struct declarations
2017-01-30 16:32:25 -08:00
xfs_message.c
xfs: more info from kmem deadlocks and high-level error msgs
2015-10-12 16:04:45 +11:00
xfs_message.h
…
xfs_mount.c
xfs: publish UUID in struct super_block
2017-04-28 08:10:53 -07:00
xfs_mount.h
xfs: more do_div cleanups
2017-04-25 09:40:41 -07:00
xfs_mru_cache.c
…
xfs_mru_cache.h
…
xfs_ondisk.h
xfs: define the on-disk refcount btree format
2016-10-03 09:11:18 -07:00
xfs_pnfs.c
xfs: remove i_iolock and use i_rwsem in the VFS inode instead
2016-11-30 14:33:25 +11:00
xfs_pnfs.h
xfs: remove i_iolock and use i_rwsem in the VFS inode instead
2016-11-30 14:33:25 +11:00
xfs_qm_bhv.c
…
xfs_qm_syscalls.c
xfs: wait on new inodes during quotaoff dquot release
2017-04-28 08:11:08 -07:00
xfs_qm.c
xfs: fix up quotacheck buffer list error handling
2017-04-25 09:40:42 -07:00
xfs_qm.h
xfs: Split default quota limits by quota type
2016-02-08 11:27:55 +11:00
xfs_quota.h
…
xfs_quotaops.c
xfs: wire up Q_XGETNEXTQUOTA / get_nextdqblk
2016-02-08 11:27:38 +11:00
xfs_refcount_item.c
xfs: better log intent item refcount checking
2017-04-25 09:40:42 -07:00
xfs_refcount_item.h
xfs: log refcount intent items
2016-10-03 09:11:21 -07:00
xfs_reflink.c
xfs: reserve enough blocks to handle btree splits when remapping
2017-05-03 13:21:40 -07:00
xfs_reflink.h
xfs: only reclaim unwritten COW extents periodically
2017-03-07 16:45:58 -08:00
xfs_rmap_item.c
xfs: better log intent item refcount checking
2017-04-25 09:40:42 -07:00
xfs_rmap_item.h
xfs: convert RUI log formats to use variable length arrays
2016-09-19 10:24:27 +10:00
xfs_rtalloc.c
xfs: simplify xfs_rtallocate_extent
2017-02-17 16:52:52 -08:00
xfs_rtalloc.h
xfs: add a couple of queries to iterate free extents in the rtbitmap
2017-04-03 15:18:17 -07:00
xfs_stats.c
xfs: make xfs btree stats less huge
2016-12-05 14:38:58 +11:00
xfs_stats.h
xfs: make xfs btree stats less huge
2016-12-05 14:38:58 +11:00
xfs_super.c
Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2017-05-12 15:43:10 -07:00
xfs_super.h
xfs: don't block the log commit handler for discards
2017-02-09 11:36:40 -08:00
xfs_symlink.c
xfs: remove i_iolock and use i_rwsem in the VFS inode instead
2016-11-30 14:33:25 +11:00
xfs_symlink.h
…
xfs_sysctl.c
xfs: garbage collect old cowextsz reservations
2016-10-05 16:26:28 -07:00
xfs_sysctl.h
xfs: garbage collect old cowextsz reservations
2016-10-05 16:26:28 -07:00
xfs_sysfs.c
xfs: resurrect debug mode drop buffered writes mechanism
2017-02-16 17:19:15 -08:00
xfs_sysfs.h
xfs: configurable error behavior via sysfs
2016-05-18 10:58:51 +10:00
xfs_trace.c
xfs: implement the GETFSMAP ioctl
2017-04-03 15:18:17 -07:00
xfs_trace.h
xfs: don't use bool values in trace buffers
2017-04-25 09:40:42 -07:00
xfs_trans_ail.c
xfs: remove xfs_trans_ail_delete_bulk
2017-04-25 09:40:42 -07:00
xfs_trans_bmap.c
xfs: implement deferred bmbt map/unmap operations
2016-10-04 11:05:44 -07:00
xfs_trans_buf.c
xfs: remove XBF_STALE flag wrapper macros
2016-02-10 15:01:11 +11:00
xfs_trans_dquot.c
xfs: Split default quota limits by quota type
2016-02-08 11:27:55 +11:00
xfs_trans_extfree.c
xfs: set up per-AG free space reservations
2016-09-19 10:30:52 +10:00
xfs_trans_inode.c
fs: Replace current_fs_time() with current_time()
2016-09-27 21:06:22 -04:00
xfs_trans_priv.h
xfs: remove xfs_trans_ail_delete_bulk
2017-04-25 09:40:42 -07:00
xfs_trans_refcount.c
xfs: connect refcount adjust functions to upper layers
2016-10-03 09:11:22 -07:00
xfs_trans_rmap.c
xfs: add shared rmap map/unmap/convert log item types
2016-10-05 16:26:29 -07:00
xfs_trans.c
Changes for 4.12:
2017-05-06 11:46:16 -07:00
xfs_trans.h
xfs: fold __xfs_trans_roll into xfs_trans_roll
2017-04-06 16:00:11 -07:00
xfs_xattr.c
xfs: several xattr functions can be void
2016-12-05 12:32:14 +11:00
xfs.h
…