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cfaf2d0343
linux/fs/xfs
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Brian Foster cfaf2d0343 xfs: fix quotacheck dquot id overflow infinite loop 
If a dquot has an id of U32_MAX, the next lookup index increment
overflows the uint32_t back to 0. This starts the lookup sequence
over from the beginning, repeats indefinitely and results in a
livelock.

Update xfs_qm_dquot_walk() to explicitly check for the lookup
overflow and exit the loop.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2017-07-24 08:33:25 -07:00
..
libxfs xfs: check _alloc_read_agf buffer pointer before using 2017-07-20 14:42:33 -07:00
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 clear SGID when inheriting ACLs 2017-06-27 18:23:21 -07:00
xfs_acl.h xfs: Don't clear SGID when inheriting ACLs 2017-06-27 18:23:21 -07:00
xfs_aops.c Changes for 4.13: 2017-07-10 10:51:53 -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: 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: try to avoid blowing out the transaction reservation when bunmaping a shared extent 2017-06-19 08:59:10 -07:00
xfs_bmap_item.h xfs: log bmap intent items 2016-10-04 11:05:44 -07:00
xfs_bmap_util.c xfs: refactor the ifork block counting function 2017-06-20 10:45:21 -07:00
xfs_bmap_util.h xfs: refactor the ifork block counting function 2017-06-20 10:45:21 -07:00
xfs_buf_item.c xfs: remove bli from AIL before release on transaction abort 2017-06-19 08:59:10 -07:00
xfs_buf_item.h
xfs_buf.c Changes for 4.13: 2017-07-10 10:51:53 -07:00
xfs_buf.h xfs: push buffer of flush locked dquot to avoid quotacheck deadlock 2017-06-19 08:59:10 -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 xfs: remove double-underscore integer types 2017-06-19 14:11:33 -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 Revert "xfs: grab dquots without taking the ilock" 2017-07-13 14:55:05 -07:00
xfs_dquot.h
xfs_error.c xfs: Check for m_errortag initialization in xfs_errortag_test 2017-07-01 21:08:47 -07:00
xfs_error.h xfs: replace log_badcrc_factor knob with error injection tag 2017-06-27 18:23:21 -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 Changes for 4.13: 2017-07-10 10:51:53 -07:00
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 double-underscore integer types 2017-06-19 14:11:33 -07:00
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 Changes for 4.13: 2017-07-10 10:51:53 -07:00
xfs_icache.h xfs: check if an inode is cached and allocated 2017-06-19 14:11:34 -07:00
xfs_icreate_item.c 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: use uuid_copy() helper to abstract uuid_t 2017-06-05 16:56:35 +02:00
xfs_inode_item.h
xfs_inode.c Changes for 4.13: 2017-07-10 10:51:53 -07:00
xfs_inode.h xfs: Switch to iomap for SEEK_HOLE / SEEK_DATA 2017-07-02 22:46:13 -07:00
xfs_ioctl32.c xfs: implement the GETFSMAP ioctl 2017-04-03 15:18:17 -07:00
xfs_ioctl32.h xfs: remove double-underscore integer types 2017-06-19 14:11:33 -07:00
xfs_ioctl.c xfs: make errortag a per-mountpoint structure 2017-06-27 18:23:19 -07:00
xfs_ioctl.h xfs: remove double-underscore integer types 2017-06-19 14:11:33 -07:00
xfs_iomap.c Changes for 4.13: 2017-07-10 10:51:53 -07:00
xfs_iomap.h xfs: introduce xfs_aligned_fsb_count 2017-02-06 17:47:46 -08:00
xfs_iops.c xfs: rename MAXPATHLEN to XFS_SYMLINK_MAXLEN 2017-07-07 08:37:26 -07:00
xfs_iops.h xfs: Propagate dentry down to inode_change_ok() 2016-09-22 10:56:19 +02:00
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 Changes for 4.13: 2017-07-10 10:51:53 -07:00
xfs_log_cil.c xfs: remove lsn relevant fields from xfs_trans structure and its users 2017-06-19 08:59:10 -07:00
xfs_log_priv.h xfs: remove double-underscore integer types 2017-06-19 14:11:33 -07:00
xfs_log_recover.c Changes for 4.13: 2017-07-10 10:51:53 -07:00
xfs_log.c xfs: fix semicolon.cocci warnings 2017-06-27 18:23:21 -07:00
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
xfs_mount.c Changes for 4.13: 2017-07-10 10:51:53 -07:00
xfs_mount.h xfs: convert drop_writes to use the errortag mechanism 2017-06-27 18:23:20 -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: 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: fix quotacheck dquot id overflow infinite loop 2017-07-24 08:33:25 -07:00
xfs_qm.h
xfs_quota.h
xfs_quotaops.c xfs: remove a whitespace-only line from xfs_fs_get_nextdqblk 2017-07-01 21:09:33 -07:00
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: check _alloc_read_agf buffer pointer before using 2017-07-20 14:42:33 -07:00
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: convert RUI log formats to use variable length arrays 2016-09-19 10:24:27 +10:00
xfs_rtalloc.c xfs: remove double-underscore integer types 2017-06-19 14:11:33 -07:00
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 Changes for 4.13: 2017-07-10 10:51:53 -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: assert locking precondition in xfs_readlink_bmap_ilocked 2017-07-13 14:55:05 -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: garbage collect old cowextsz reservations 2016-10-05 16:26:28 -07:00
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: 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: remove double-underscore integer types 2017-06-19 14:11:33 -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: 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: release bli from transaction properly on fs shutdown 2017-06-19 08:59:10 -07:00
xfs_trans_dquot.c
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: remove double-underscore integer types 2017-06-19 14:11:33 -07:00
xfs_trans.c Changes for 4.12: 2017-05-06 11:46:16 -07:00
xfs_trans.h xfs: remove double-underscore integer types 2017-06-19 14:11:33 -07:00
xfs_xattr.c xfs: several xattr functions can be void 2016-12-05 12:32:14 +11:00
xfs.h xfs: define fatal assert build time tunable 2017-06-19 08:59:10 -07:00