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Eric Sandeen 59f35b983e xfs: don't call xfs_da_shrink_inode with NULL bp 
commit bb3d48dcf8 upstream.

xfs_attr3_leaf_create may have errored out before instantiating a buffer,
for example if the blkno is out of range.  In that case there is no work
to do to remove it, and in fact xfs_da_shrink_inode will lead to an oops
if we try.

This also seems to fix a flaw where the original error from
xfs_attr3_leaf_create gets overwritten in the cleanup case, and it
removes a pointless assignment to bp which isn't used after this.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=199969
Reported-by: Xu, Wen <wen.xu@gatech.edu>
Tested-by: Xu, Wen <wen.xu@gatech.edu>
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Eduardo Valentin <eduval@amazon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2018-08-09 12:16:39 +02:00
..
libxfs xfs: don't call xfs_da_shrink_inode with NULL bp 2018-08-09 12:16:39 +02:00
Kconfig xfs: define fatal assert build time tunable 2017-06-19 08:59:10 -07:00
Makefile xfs: use the common helper uuid_is_null() 2017-06-05 16:59:08 +02:00
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
mrlock.h
…
xfs.h xfs: define fatal assert build time tunable 2017-06-19 08:59:10 -07:00
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.h xfs: pass along transaction context when reading xattr block buffers 2017-06-20 10:45:22 -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_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.c xfs: fortify xfs_alloc_buftarg error handling 2018-02-03 17:39:10 +01:00
xfs_buf.h xfs: perform dax_device lookup at mount 2017-08-31 09:31:47 -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_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.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_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_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: 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 xfs: prevent creating negative-sized file via INSERT_RANGE 2018-05-09 09:51:52 +02:00
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: move two more RT specific functions into CONFIG_XFS_RT 2017-10-16 12:26:50 -07:00
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 fs: xfs: xfs_icreate_item: constify xfs_item_ops structure 2016-11-28 14:57:42 +11:00
xfs_icreate_item.h
…
xfs_inode.c xfs: always free inline data before resetting inode fork during ifree 2018-02-03 17:39:06 +01:00
xfs_inode.h xfs: Switch to iomap for SEEK_HOLE / SEEK_DATA 2017-07-02 22:46:13 -07:00
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: remove timestamps from incore inode 2016-02-09 16:54:58 +11:00
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_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_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 fs: allow per-device dax status checking for filesystems 2018-07-11 16:29:22 +02:00
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 xfs: XFS_IS_REALTIME_INODE() should be false if no rt device present 2017-09-12 20:02:22 -07:00
xfs_log.c xfs: Fix bool initialization/comparison 2017-10-11 10:21:06 -07:00
xfs_log.h xfs: remove double-underscore integer types 2017-06-19 14:11:33 -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_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: xfs_mru_cache_insert() should use GFP_NOFS 2015-03-25 14:57:53 +11:00
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.c xfs: quota: check result of register_shrinker() 2018-03-03 10:24:33 +01:00
xfs_qm.h xfs: Split default quota limits by quota type 2016-02-08 11:27:55 +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_quota.h xfs: fix quota block reservation leak when tp allocates and frees blocks 2015-06-01 07:15:37 +10:00
xfs_quotaops.c VFS: Convert sb->s_flags & MS_RDONLY to sb_rdonly(sb) 2017-07-17 08:45:34 +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: handle racy AIO in xfs_reflink_end_cow 2017-10-03 21:27:55 -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 the ip argument to xfs_defer_finish 2017-09-01 10:55:30 -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 dax: change bdev_dax_supported() to support boolean returns 2018-07-11 16:29:22 +02:00
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 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: 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: detect agfl count corruption and reset agfl 2018-06-05 11:41:55 +02:00
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_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: 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 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: 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_xattr.c xfs: several xattr functions can be void 2016-12-05 12:32:14 +11:00