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Dave Chinner e9892d3cc8 xfs: only trace buffer items if they exist 
The commit 2d3d0c5 ("xfs: lobotomise xfs_trans_read_buf_map()") left
a landmine in the tracing code: trace_xfs_trans_buf_read() is now
call on all buffers that are read through this interface rather than
just buffers in transactions. For buffers outside transaction
context, bp->b_fspriv is null, and so the buf log item tracing
functions cannot be called. This causes a NULL pointer dereference
in the trace_xfs_trans_buf_read() function when tracing is turned
on.

cc: <stable@vger.kernel.org>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2015-02-10 09:23:40 +11:00
..
libxfs
xfs: sanitise sb_bad_features2 handling
2015-01-22 09:10:33 +11:00
Kconfig
xfs: require 64-bit sector_t
2014-07-30 09:12:05 +10:00
kmem.c
xfs: kill time.h
2014-10-02 09:18:13 +10:00
kmem.h
xfs: simplify kmem_{zone_}zalloc
2013-11-06 16:31:27 -06:00
Makefile
xfs: add xfs_mount sysfs kobject
2014-07-15 08:07:01 +10:00
mrlock.h
xfs: introduce CONFIG_XFS_WARN
2013-05-07 18:45:36 -05:00
uuid.c
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
uuid.h
xfs: add CRC infrastructure
2012-11-19 20:11:24 -06:00
xfs_acl.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_acl.h
xfs: move acl structures to xfs_format.h
2014-11-28 14:24:37 +11:00
xfs_aops.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_aops.h
direct-io: Implement generic deferred AIO completions
2013-09-04 09:23:46 -04:00
xfs_attr_inactive.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_attr_list.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_attr.h
xfs: kill xfs_vnodeops.[ch]
2013-08-12 16:53:39 -05:00
xfs_bit.c
xfs: fix static and extern sparse warnings
2013-10-30 13:59:56 -05:00
xfs_bmap_util.c
Merge branch 'xfs-consolidate-format-defs' into for-next
2014-11-28 14:52:16 +11:00
xfs_bmap_util.h
xfs: refine the allocation stack switch
2014-07-15 07:08:24 +10:00
xfs_buf_item.c
xfs: merge xfs_ag.h into xfs_format.h
2014-11-28 14:25:04 +11:00
xfs_buf_item.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_buf.c
Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next
2014-12-04 09:46:17 +11:00
xfs_buf.h
xfs: split metadata and log buffer completion to separate workqueues
2014-12-04 09:43:17 +11:00
xfs_dir2_readdir.c
Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next
2014-12-04 09:46:17 +11:00
xfs_discard.c
xfs: merge xfs_ag.h into xfs_format.h
2014-11-28 14:25:04 +11:00
xfs_discard.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_dquot_item.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_dquot_item.h
xfs: remove the quotaoff log format from the quotaoff log item
2013-12-13 11:34:08 +11:00
xfs_dquot.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_dquot.h
xfs: run an eofblocks scan on ENOSPC/EDQUOT
2014-07-24 19:49:28 +10:00
xfs_error.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_error.h
xfs: global error sign conversion
2014-06-25 14:58:08 +10:00
xfs_export.c
Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next
2014-12-04 09:46:17 +11:00
xfs_export.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_extent_busy.c
xfs: merge xfs_ag.h into xfs_format.h
2014-11-28 14:25:04 +11:00
xfs_extent_busy.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_extfree_item.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_extfree_item.h
xfs: split out EFI/EFD log item format definition
2013-08-12 16:07:13 -05:00
xfs_file.c
Merge branch 'xfs-coccinelle-cleanups' into for-next
2014-12-01 09:03:02 +11:00
xfs_filestream.c
xfs: merge xfs_inum.h into xfs_format.h
2014-11-28 14:27:10 +11:00
xfs_filestream.h
xfs: add filestream allocator tracepoints
2014-04-23 07:11:52 +10:00
xfs_fs.h
Merge branch 'xfs-misc-fixes-3.17-1' into for-next
2014-08-04 13:54:14 +10:00
xfs_fsops.c
xfs: growfs should use synchronous transactions
2015-02-05 11:13:21 +11:00
xfs_fsops.h
xfs: ensure log covering transactions are synchronous
2011-01-11 20:28:17 -06:00
xfs_globals.c
xfs: export log_recovery_delay to delay mount time log recovery
2014-09-09 11:56:13 +10:00
xfs_icache.c
Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next
2014-12-04 09:46:17 +11:00
xfs_icache.h
xfs: merge xfs_ag.h into xfs_format.h
2014-11-28 14:25:04 +11:00
xfs_icreate_item.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_icreate_item.h
xfs: separate icreate log format definitions from xfs_icreate_item.h
2013-08-12 16:10:35 -05:00
xfs_inode_item.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_inode_item.h
xfs: remove the inode log format from the inode log item
2013-12-13 11:34:05 +11:00
xfs_inode.c
Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next
2014-12-04 09:46:17 +11:00
xfs_inode.h
xfs: merge xfs_dinode.h into xfs_format.h
2014-11-28 14:24:06 +11:00
xfs_ioctl32.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_ioctl32.h
xfs: compat_xfs_bstat does not have forkoff
2014-10-02 09:17:58 +10:00
xfs_ioctl.c
xfs: xfs_ioctl_setattr_check_projid can be static
2015-02-05 11:13:21 +11:00
xfs_ioctl.h
xfs: consolidate extent swap code
2013-08-12 16:56:06 -05:00
xfs_iomap.c
Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next
2014-12-04 09:46:17 +11:00
xfs_iomap.h
xfs: get rid of count from xfs_iomap_write_allocate()
2013-10-01 15:42:34 -05:00
xfs_iops.c
Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next
2014-12-04 09:46:17 +11:00
xfs_iops.h
xfs: use generic posix ACL infrastructure
2014-01-25 23:58:21 -05:00
xfs_itable.c
Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next
2014-12-04 09:46:17 +11:00
xfs_itable.h
xfs: bulkstat chunk formatting cursor is broken
2014-11-07 08:30:30 +11:00
xfs_linux.h
xfs: merge xfs_dinode.h into xfs_format.h
2014-11-28 14:24:06 +11:00
xfs_log_cil.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_log_priv.h
xfs: add xlog sysfs kobject and attribute handlers
2014-07-15 08:07:29 +10:00
xfs_log_recover.c
Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next
2014-12-04 09:46:17 +11:00
xfs_log.c
xfs: consolidate superblock logging functions
2015-01-22 09:10:31 +11:00
xfs_log.h
xfs: log vector rounding leaks log space
2014-05-20 08:18:09 +10:00
xfs_message.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_message.h
xfs: introduce CONFIG_XFS_WARN
2013-05-07 18:45:36 -05:00
xfs_mount.c
xfs: sanitise sb_bad_features2 handling
2015-01-22 09:10:33 +11:00
xfs_mount.h
xfs: consolidate superblock logging functions
2015-01-22 09:10:31 +11:00
xfs_mru_cache.c
xfs: mark all internal workqueues as freezable
2014-09-09 11:44:46 +10:00
xfs_mru_cache.h
xfs: embedd mru_elem into parent structure
2014-04-23 07:11:51 +10:00
xfs_qm_bhv.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_qm_syscalls.c
xfs: consolidate superblock logging functions
2015-01-22 09:10:31 +11:00
xfs_qm.c
xfs: consolidate superblock logging functions
2015-01-22 09:10:31 +11:00
xfs_qm.h
xfs: consolidate superblock logging functions
2015-01-22 09:10:31 +11:00
xfs_quota.h
xfs: split dquot buffer operations out
2013-10-23 14:28:35 -05:00
xfs_quotaops.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_rtalloc.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_rtalloc.h
xfs: combine xfs_rtmodify_summary and xfs_rtget_summary
2014-09-09 11:58:42 +10:00
xfs_stats.c
xfs: support the XFS_BTNUM_FINOBT free inode btree type
2014-04-24 16:00:52 +10:00
xfs_stats.h
xfs: support the XFS_BTNUM_FINOBT free inode btree type
2014-04-24 16:00:52 +10:00
xfs_super.c
xfs: report proper f_files in statfs if we overshoot imaxpct
2015-02-06 09:53:02 +11:00
xfs_super.h
xfs: require 64-bit sector_t
2014-07-30 09:12:05 +10:00
xfs_symlink.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_symlink.h
xfs: push down inactive transaction mgmt for remote symlinks
2013-10-08 14:53:02 -05:00
xfs_sysctl.c
xfs: Convert use of typedef ctl_table to struct ctl_table
2013-06-17 17:42:25 -05:00
xfs_sysctl.h
xfs: export log_recovery_delay to delay mount time log recovery
2014-09-09 11:56:13 +10:00
xfs_sysfs.c
xfs: export log_recovery_delay to delay mount time log recovery
2014-09-09 11:56:13 +10:00
xfs_sysfs.h
xfs: add debug sysfs attribute set
2014-09-09 11:52:42 +10:00
xfs_trace.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_trace.h
xfs: introduce xfs_buf_submit[_wait]
2014-10-02 09:05:14 +10:00
xfs_trans_ail.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_trans_buf.c
xfs: only trace buffer items if they exist
2015-02-10 09:23:40 +11:00
xfs_trans_dquot.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_trans_extfree.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_trans_inode.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_trans_priv.h
xfs: remove unused ail pointer arg from xfs_trans_ail_cursor_done()
2014-04-14 19:06:05 +10:00
xfs_trans.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_trans.h
xfs: format log items write directly into the linear CIL buffer
2013-12-13 11:34:02 +11:00
xfs_types.h
xfs: require 64-bit sector_t
2014-07-30 09:12:05 +10:00
xfs_xattr.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs.h
xfs: introduce CONFIG_XFS_WARN
2013-05-07 18:45:36 -05:00