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msm-4.14/fs/xfs
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Darrick J. Wong 1577152a3a xfs: limit entries returned when counting fsmap records 
[ Upstream commit acd1ac3aa22fd58803a12d26b1ab7f70232f8d8d ]

If userspace asked fsmap to count the number of entries, we cannot
return more than UINT_MAX entries because fmh_entries is u32.
Therefore, stop counting if we hit this limit or else we will waste time
to return truncated results.

Fixes: e89c041338ed ("xfs: implement the GETFSMAP ioctl")
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-10-29 09:07:09 +01:00
..
libxfs
xfs: don't ever return a stale pointer from __xfs_dir3_free_read
2020-10-01 13:12:37 +02:00
Kconfig
xfs: define fatal assert build time tunable
2017-06-19 08:59:10 -07:00
kmem.c
mm, vmalloc: use __GFP_HIGHMEM implicitly
2017-05-08 17:15:13 -07:00
kmem.h
xfs: map KM_MAYFAIL to __GFP_RETRY_MAYFAIL
2017-07-12 16:26:03 -07:00
Makefile
xfs: use the common helper uuid_is_null()
2017-06-05 16:59:08 +02:00
mrlock.h
…
xfs_acl.c
xfs: don't change inode mode if ACL update fails
2017-10-11 10:21:06 -07:00
xfs_acl.h
xfs: Don't clear SGID when inheriting ACLs
2017-06-27 18:23:21 -07:00
xfs_aops.c
xfs: ubsan fixes
2018-02-03 17:39:14 +01:00
xfs_aops.h
xfs: perform dax_device lookup at mount
2017-08-31 09:31:47 -07:00
xfs_attr_inactive.c
xfs: reinit btree pointer on attr tree inactivation walk
2017-10-11 10:21:07 -07:00
xfs_attr_list.c
xfs: assert locking precondіtion in xfs_attr_list_int_ilocked
2017-07-13 14:55:05 -07:00
xfs_attr.h
xfs: pass along transaction context when reading xattr block buffers
2017-06-20 10:45:22 -07:00
xfs_bmap_item.c
xfs: log recovery should replay deferred ops in order
2018-02-03 17:39:06 +01:00
xfs_bmap_item.h
xfs: log recovery should replay deferred ops in order
2018-02-03 17:39:06 +01:00
xfs_bmap_util.c
xfs: move more RT specific code under CONFIG_XFS_RT
2017-10-11 10:21:06 -07:00
xfs_bmap_util.h
xfs: move more RT specific code under CONFIG_XFS_RT
2017-10-11 10:21:06 -07:00
xfs_buf_item.c
xfs: fix compiler warnings
2017-09-02 08:22:19 -07:00
xfs_buf_item.h
xfs: remove unnecessary dirty bli format check for ordered bufs
2017-09-01 10:55:30 -07:00
xfs_buf.c
xfs: fix use-after-free race in xfs_buf_rele
2019-12-01 09:13:37 +01:00
xfs_buf.h
xfs: perform dax_device lookup at mount
2017-08-31 09:31:47 -07:00
xfs_dir2_readdir.c
xfs: pass along transaction context when reading directory block buffers
2017-06-20 10:45:22 -07:00
xfs_discard.c
Force log to disk before reading the AGF during a fstrim
2018-05-30 07:52:23 +02:00
xfs_discard.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xfs_dquot_item.c
xfs: Properly retry failed dquot items in case of error during buffer writeback
2018-02-03 17:39:15 +01:00
xfs_dquot_item.h
…
xfs_dquot.c
xfs: Properly retry failed dquot items in case of error during buffer writeback
2018-02-03 17:39:15 +01:00
xfs_dquot.h
…
xfs_error.c
fs/xfs: Use %pS printk format for direct addresses
2017-09-25 18:22:30 -07:00
xfs_error.h
xfs: add log item pinning error injection tag
2017-08-22 09:22:24 -07:00
xfs_export.c
…
xfs_export.h
…
xfs_extent_busy.c
…
xfs_extent_busy.h
…
xfs_extfree_item.c
xfs: better log intent item refcount checking
2017-04-25 09:40:42 -07:00
xfs_extfree_item.h
…
xfs_file.c
xfs: prevent creating negative-sized file via INSERT_RANGE
2018-05-09 09:51:52 +02:00
xfs_filestream.c
…
xfs_filestream.h
…
xfs_fsmap.c
xfs: limit entries returned when counting fsmap records
2020-10-29 09:07:09 +01:00
xfs_fsmap.h
xfs: implement the GETFSMAP ioctl
2017-04-03 15:18:17 -07:00
xfs_fsops.c
xfs: convert XFS_AGFL_SIZE to a helper function
2018-06-05 11:41:55 +02:00
xfs_fsops.h
xfs: remove double-underscore integer types
2017-06-19 14:11:33 -07:00
xfs_globals.c
xfs: define fatal assert build time tunable
2017-06-19 08:59:10 -07:00
xfs_icache.c
xfs: validate cached inodes are free when allocated
2018-08-09 12:16:39 +02:00
xfs_icache.h
xfs: check if an inode is cached and allocated
2017-06-19 14:11:34 -07:00
xfs_icreate_item.c
…
xfs_icreate_item.h
…
xfs_inode_item.c
xfs: Don't log uninitialised fields in inode structures
2017-10-11 10:21:06 -07:00
xfs_inode_item.h
…
xfs_inode.c
xfs: Fix deadlock between AGI and AGF with RENAME_WHITEOUT
2020-05-02 17:24:38 +02:00
xfs_inode.h
xfs: Switch to iomap for SEEK_HOLE / SEEK_DATA
2017-07-02 22:46:13 -07:00
xfs_ioctl32.c
xfs: Fix bulkstat compat ioctls on x32 userspace.
2019-12-05 15:37:33 +01:00
xfs_ioctl32.h
xfs: remove double-underscore integer types
2017-06-19 14:11:33 -07:00
xfs_ioctl.c
dax: change bdev_dax_supported() to support boolean returns
2018-07-11 16:29:22 +02:00
xfs_ioctl.h
xfs: remove double-underscore integer types
2017-06-19 14:11:33 -07:00
xfs_iomap.c
xfs: update i_size after unwritten conversion in dio completion
2017-09-26 10:55:19 -07:00
xfs_iomap.h
xfs: update i_size after unwritten conversion in dio completion
2017-09-26 10:55:19 -07:00
xfs_iops.c
xfs: fix missing ILOCK unlock when xfs_setattr_nonsize fails due to EDQUOT
2019-08-29 08:26:45 +02:00
xfs_iops.h
…
xfs_itable.c
xfs: export various function for the online scrubber
2017-06-19 14:11:34 -07:00
xfs_itable.h
xfs: export various function for the online scrubber
2017-06-19 14:11:34 -07:00
xfs_linux.h
xfs: XFS_IS_REALTIME_INODE() should be false if no rt device present
2017-09-12 20:02:22 -07:00
xfs_log_cil.c
xfs: Fix leak of discard bio
2017-08-04 13:43:36 -07:00
xfs_log_priv.h
xfs: remove double-underscore integer types
2017-06-19 14:11:33 -07:00
xfs_log_recover.c
xfs: log recovery should replay deferred ops in order
2018-02-03 17:39:06 +01:00
xfs_log.c
xfs: fix missed wakeup on l_flush_wait
2020-08-05 10:06:50 +02:00
xfs_log.h
xfs: remove double-underscore integer types
2017-06-19 14:11:33 -07:00
xfs_message.c
xfs: define bug_on_assert debug mode sysfs tunable
2017-06-19 08:59:10 -07:00
xfs_message.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xfs_mount.c
xfs: Fix bool initialization/comparison
2017-10-11 10:21:06 -07:00
xfs_mount.h
xfs: detect agfl count corruption and reset agfl
2018-06-05 11:41:55 +02:00
xfs_mru_cache.c
…
xfs_mru_cache.h
…
xfs_ondisk.h
xfs: Don't log uninitialised fields in inode structures
2017-10-11 10:21:06 -07:00
xfs_pnfs.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xfs_pnfs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xfs_qm_bhv.c
xfs: remove double-underscore integer types
2017-06-19 14:11:33 -07:00
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: quota: check result of register_shrinker()
2018-03-03 10:24:33 +01:00
xfs_qm.h
…
xfs_quota.h
…
xfs_quotaops.c
xfs: Sanity check flags of Q_XQUOTARM call
2020-01-27 14:46:02 +01:00
xfs_refcount_item.c
xfs: log recovery should replay deferred ops in order
2018-02-03 17:39:06 +01:00
xfs_refcount_item.h
xfs: log recovery should replay deferred ops in order
2018-02-03 17:39:06 +01:00
xfs_reflink.c
xfs: fix reflink quota reservation accounting error
2020-08-21 09:48:08 +02:00
xfs_reflink.h
xfs: separate function to check if inode shares extents
2017-06-19 14:11:35 -07:00
xfs_rmap_item.c
xfs: better log intent item refcount checking
2017-04-25 09:40:42 -07:00
xfs_rmap_item.h
…
xfs_rtalloc.c
xfs: require both realtime inodes to mount
2019-12-05 15:37:18 +01:00
xfs_rtalloc.h
xfs: export various function for the online scrubber
2017-06-19 14:11:34 -07:00
xfs_stats.c
xfs: remove double-underscore integer types
2017-06-19 14:11:33 -07:00
xfs_stats.h
xfs: remove double-underscore integer types
2017-06-19 14:11:33 -07:00
xfs_super.c
xfs: clear sb->s_fs_info on mount failure
2019-10-17 13:44:03 -07:00
xfs_super.h
…
xfs_symlink.c
xfs: remove the ip argument to xfs_defer_finish
2017-09-01 10:55:30 -07:00
xfs_symlink.h
xfs: allow reading of already-locked remote symbolic link
2017-06-20 10:45:22 -07:00
xfs_sysctl.c
…
xfs_sysctl.h
xfs: define bug_on_assert debug mode sysfs tunable
2017-06-19 08:59:10 -07:00
xfs_sysfs.c
xfs: replace log_badcrc_factor knob with error injection tag
2017-06-27 18:23:21 -07:00
xfs_sysfs.h
xfs: Fix UBSAN null-ptr-deref in xfs_sysfs_init
2020-08-26 10:29:57 +02:00
xfs_trace.c
xfs: implement the GETFSMAP ioctl
2017-04-03 15:18:17 -07:00
xfs_trace.h
xfs: detect agfl count corruption and reset agfl
2018-06-05 11:41:55 +02:00
xfs_trans_ail.c
xfs: add log item pinning error injection tag
2017-08-22 09:22:24 -07:00
xfs_trans_bmap.c
xfs: try to avoid blowing out the transaction reservation when bunmaping a shared extent
2017-06-19 08:59:10 -07:00
xfs_trans_buf.c
xfs: disallow marking previously dirty buffers as ordered
2017-09-01 10:55:30 -07:00
xfs_trans_dquot.c
xfs: fix inode quota reservation checks
2020-08-26 10:29:56 +02:00
xfs_trans_extfree.c
…
xfs_trans_inode.c
xfs: refactor xfs_trans_roll
2017-09-01 10:55:30 -07:00
xfs_trans_priv.h
xfs: Properly retry failed inode items in case of error during buffer writeback
2017-08-22 09:22:23 -07:00
xfs_trans_refcount.c
…
xfs_trans_rmap.c
xfs: remove double-underscore integer types
2017-06-19 14:11:33 -07:00
xfs_trans.c
xfs: refactor xfs_trans_roll
2017-09-01 10:55:30 -07:00
xfs_trans.h
xfs: disallow marking previously dirty buffers as ordered
2017-09-01 10:55:30 -07:00
xfs_xattr.c
…
xfs.h
xfs: define fatal assert build time tunable
2017-06-19 08:59:10 -07:00