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1f0d8a566f0251ff9404b98233ae8d5406c6d308
mirror_zfs/module/zfs
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Gunnar Beutner 1f0d8a566f Fixed a NULL pointer dereference bug in zfs_preumount 
When zpl_fill_super -> zfs_domount fails (e.g. because the dataset
was destroyed before it could be successfully mounted) the subsequent
call to zpl_kill_sb -> zfs_preumount would derefence a NULL pointer.

This bug can be reproduced using this shell script:

 #!/bin/sh
 (
 while true; do
 	zfs create -o mountpoint=legacz tank/bar
 	zfs destroy tank/bar
 done
 ) &

 (
 while true; do
 	mount -t zfs tank/bar /mnt
 	umount /mnt
 done
 ) &

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #639
2012-04-05 11:29:42 -07:00
..
arc.c
Properly expose the mfu ghost list kstats
2012-03-27 15:08:22 -07:00
bplist.c
Fix gcc missing parenthesis warnings
2010-08-31 08:38:35 -07:00
bpobj.c
Update to onnv_147
2010-08-26 14:24:34 -07:00
dbuf.c
Illumos #764: panic in zfs:dbuf_sync_list
2011-08-01 12:09:11 -07:00
ddt_zap.c
Fix stack ddt_zap_lookup()
2011-05-31 12:17:27 -07:00
ddt.c
Fix stack ddt_class_contains()
2011-05-31 12:17:27 -07:00
dmu_diff.c
Update to onnv_147
2010-08-26 14:24:34 -07:00
dmu_object.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
dmu_objset.c
Add .zfs control directory
2012-03-22 13:03:47 -07:00
dmu_send.c
Illumos #755: dmu_recv_stream builds incomplete guid_to_ds_map
2011-10-18 11:18:14 -07:00
dmu_traverse.c
Revert "Fix stack traverse_visitbp()"
2011-05-31 12:17:27 -07:00
dmu_tx.c
Add --enable-debug-dmu-tx configure option
2012-03-23 12:25:17 -07:00
dmu_zfetch.c
Add missing ZFS tunables
2011-05-04 10:02:37 -07:00
dmu.c
Add 'dmu_tx' kstats entry
2012-02-27 08:59:10 -08:00
dnode_sync.c
Fix dbuf eviction assertion
2010-08-31 08:38:45 -07:00
dnode.c
Improve meta data performance
2011-11-03 10:19:21 -07:00
dsl_dataset.c
Add .zfs control directory
2012-03-22 13:03:47 -07:00
dsl_deadlist.c
Update core ZFS code from build 121 to build 141.
2010-05-28 13:45:14 -07:00
dsl_deleg.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
dsl_dir.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
dsl_pool.c
Add 'dmu_tx' kstats entry
2012-02-27 08:59:10 -08:00
dsl_prop.c
Fix enum compiler warning
2011-02-23 12:52:51 -08:00
dsl_scan.c
Add missing ZFS tunables
2011-05-04 10:02:37 -07:00
dsl_synctask.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
fm.c
Add missing ZFS tunables
2011-05-04 10:02:37 -07:00
gzip.c
Fix zmod.h usage in userspace
2010-08-31 08:38:46 -07:00
lzjb.c
Fix stack lzjb
2010-08-31 08:38:49 -07:00
Makefile.in
Add .zfs control directory
2012-03-22 13:03:47 -07:00
metaslab.c
Illumos #1051: zfs should handle imbalanced luns
2011-08-01 12:09:11 -07:00
refcount.c
Fix gcc uninitialized variable warnings
2010-08-31 08:38:43 -07:00
rrwlock.c
Enable rrwlock.c compilation
2010-12-07 16:05:25 -08:00
sa.c
Add sa_spill_rele() interface
2012-03-07 16:28:00 -08:00
sha256.c
Add linux sha2 support
2010-08-31 13:41:59 -07:00
spa_boot.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
spa_config.c
Prototype/structure update for Linux
2011-02-10 09:27:21 -08:00
spa_errlog.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
spa_history.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
spa_misc.c
Cleanup ZFS debug infrastructure
2012-02-02 11:24:30 -08:00
spa.c
Reduce number of zio free threads
2012-01-17 08:54:00 -08:00
space_map.c
Update core ZFS code from build 121 to build 141.
2010-05-28 13:45:14 -07:00
txg.c
Add 'dmu_tx' kstats entry
2012-02-27 08:59:10 -08:00
uberblock.c
Update core ZFS code from build 121 to build 141.
2010-05-28 13:45:14 -07:00
unique.c
Fix gcc ident pragma warnings
2010-08-27 15:34:02 -07:00
vdev_cache.c
Illumos #175: zfs vdev cache consumes excessive memory
2011-08-01 12:09:11 -07:00
vdev_disk.c
Linux 2.6.37 compat, WRITE_FLUSH_FUA
2011-06-17 14:37:26 -07:00
vdev_file.c
Prototype/structure update for Linux
2011-02-10 09:27:21 -08:00
vdev_label.c
Fix gcc uninitialized variable warnings
2010-08-31 08:38:43 -07:00
vdev_mirror.c
Fix gcc c90 compliance warnings
2010-08-27 15:28:32 -07:00
vdev_missing.c
Update core ZFS code from build 121 to build 141.
2010-05-28 13:45:14 -07:00
vdev_queue.c
Add missing ZFS tunables
2011-05-04 10:02:37 -07:00
vdev_raidz.c
Fix variables named current
2010-08-31 08:38:44 -07:00
vdev_root.c
Fix gcc c90 compliance warnings
2010-08-27 15:28:32 -07:00
vdev.c
Allow setting bootfs on any pool
2012-01-17 13:49:07 -08:00
zap_leaf.c
Fix gcc uninitialized variable warnings
2010-08-31 08:38:43 -07:00
zap_micro.c
Export symbols for the full ZAP API
2011-09-27 16:12:36 -07:00
zap.c
Fix rw_init() usage
2010-08-31 08:38:46 -07:00
zfs_acl.c
Linux compat 2.6.39: mount_nodev()
2011-07-01 13:36:39 -07:00
zfs_byteswap.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
zfs_ctldir.c
Account for .zfs ctldir inodes
2012-03-22 15:43:55 -07:00
zfs_debug.c
Use spl_debug_* helpers
2012-02-09 16:37:48 -08:00
zfs_dir.c
Add .zfs control directory
2012-03-22 13:03:47 -07:00
zfs_fm.c
Initial zio delay timing
2010-10-12 14:55:02 -07:00
zfs_fuid.c
Drop HAVE_XVATTR macros
2011-03-02 11:44:34 -08:00
zfs_ioctl.c
Add ZFS_META_RELEASE to module load/unload messages
2012-03-23 12:14:35 -07:00
zfs_log.c
Drop HAVE_XVATTR macros
2011-03-02 11:44:34 -08:00
zfs_onexit.c
Add linux kernel device support
2010-08-31 13:41:50 -07:00
zfs_replay.c
Use Linux ATTR_ versions
2011-03-03 11:29:15 -08:00
zfs_rlock.c
Range lock performance improvements
2011-03-08 12:44:06 -08:00
zfs_sa.c
Use SA_HDL_PRIVATE for SA xattrs
2012-03-02 13:20:48 -08:00
zfs_vfsops.c
Fixed a NULL pointer dereference bug in zfs_preumount
2012-04-05 11:29:42 -07:00
zfs_vnops.c
Add .zfs control directory
2012-03-22 13:03:47 -07:00
zfs_znode.c
Add .zfs control directory
2012-03-22 13:03:47 -07:00
zil.c
Illumos #883: ZIL reuse during remount corruption
2011-08-01 12:09:11 -07:00
zio_checksum.c
Update core ZFS code from build 121 to build 141.
2010-05-28 13:45:14 -07:00
zio_compress.c
Update core ZFS code from build 121 to build 141.
2010-05-28 13:45:14 -07:00
zio_inject.c
Add missing ZFS tunables
2011-05-04 10:02:37 -07:00
zio.c
Add zio constructor/destructor
2012-03-21 14:51:44 -07:00
zle.c
Update core ZFS code from build 121 to build 141.
2010-05-28 13:45:14 -07:00
zpl_ctldir.c
Add .zfs control directory
2012-03-22 13:03:47 -07:00
zpl_export.c
Add .zfs control directory
2012-03-22 13:03:47 -07:00
zpl_file.c
Support the fallocate() file operation.
2012-02-09 16:19:32 -08:00
zpl_inode.c
Add .zfs control directory
2012-03-22 13:03:47 -07:00
zpl_super.c
Add .zfs control directory
2012-03-22 13:03:47 -07:00
zpl_xattr.c
Add missing NULL in zpl_xattr_handlers
2012-03-15 15:18:29 -07:00
zrlock.c
Export ZFS symbols needed by Lustre.
2010-09-17 16:24:15 -07:00
zvol.c
Add support for DISCARD to ZVOLs.
2012-02-09 16:19:38 -08:00