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72540ea314
mirror_zfs/include/sys
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Richard Yao 72540ea314 zfsdev_getminor() should check for invalid file handles 
Unit testing at ClusterHQ found that passing an invalid file handle to
zfs_ioc_hold results in a NULL pointer dereference on a system without
assertions:

IP: [<ffffffffa0218aa0>] zfsdev_getminor+0x10/0x20 [zfs]
Call Trace:
[<ffffffffa021b4b0>] zfs_onexit_fd_hold+0x20/0x40 [zfs]
[<ffffffffa0214043>] zfs_ioc_hold+0x93/0xd0 [zfs]
[<ffffffffa0215890>] zfsdev_ioctl+0x200/0x500 [zfs]

An assertion would have caught this had they been enabled, but this is
something that the kernel module should handle without failing.  We
resolve this by searching the linked list to ensure that the file
handle's private_data points to a valid zfsdev_state_t.

Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Andriy Gapon <avg@FreeBSD.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3506
2015-06-22 17:02:13 -07:00
..
fm Improve on the ZFS events documentation 2015-06-09 11:19:19 -07:00
fs Illumos 5027 - zfs large block support 2015-05-11 12:23:16 -07:00
arc_impl.h Illumos 5497 - lock contention on arcs_mtx 2015-06-11 10:27:25 -07:00
arc.h Make arc_prune() asynchronous 2015-06-11 10:27:25 -07:00
avl_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
avl.h Illumos 4873 - zvol unmap calls can take a very long time for larger datasets 2015-04-28 16:24:03 -07:00
blkptr.h Illumos 4757, 4913 2014-08-01 14:28:05 -07:00
bplist.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
bpobj.h Illumos 5810 - zdb should print details of bpobj 2015-05-11 15:10:24 -07:00
bptree.h Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
dbuf.h Illumos 5531 - NULL pointer dereference in dsl_prop_get_ds() 2015-04-28 16:25:44 -07:00
ddt.h Add ddt, ddt_entry, and l2arc_hdr caches 2014-01-07 10:33:11 -08:00
dmu_impl.h Illumos 4757, 4913 2014-08-01 14:28:05 -07:00
dmu_objset.h Illumos 5269 - zpool import slow 2015-06-09 13:48:02 -07:00
dmu_send.h Illumos 5765 - add support for estimating send stream size with lzc_send_space when source is a bookmark 2015-05-13 09:03:59 -07:00
dmu_traverse.h Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
dmu_tx.h dmu_tx kstat cleanup 2014-03-04 12:22:24 -08:00
dmu_zfetch.h Fix zstream_t incorrect type 2013-12-10 10:09:27 -08:00
dmu.h Illumos 5269 - zpool import slow 2015-06-09 13:48:02 -07:00
dnode.h Illumos 5056 - ZFS deadlock on db_mtx and dn_holds 2015-04-28 16:25:34 -07:00
dsl_bookmark.h Illumos 4368, 4369. 2014-07-29 10:55:29 -07:00
dsl_dataset.h Illumos 5765 - add support for estimating send stream size with lzc_send_space when source is a bookmark 2015-05-13 09:03:59 -07:00
dsl_deadlist.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dsl_deleg.h Illumos 4368, 4369. 2014-07-29 10:55:29 -07:00
dsl_destroy.h Illumos #3888 2013-11-04 11:18:14 -08:00
dsl_dir.h Illumos 5056 - ZFS deadlock on db_mtx and dn_holds 2015-04-28 16:25:34 -07:00
dsl_pool.h Illumos 5269 - zpool import slow 2015-06-09 13:48:02 -07:00
dsl_prop.h Illumos #3464 2013-09-04 16:01:24 -07:00
dsl_scan.h Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
dsl_synctask.h Illumos 4951 - ZFS administrative commands should use reserved space 2015-05-04 09:41:10 -07:00
dsl_userhold.h Illumos #3740 2013-11-04 11:17:48 -08:00
efi_partition.h Move partition scanning from userspace to module. 2012-07-17 09:17:31 -07:00
Makefile.am Illumos 5497 - lock contention on arcs_mtx 2015-06-11 10:27:25 -07:00
metaslab_impl.h Illumos 4976-4984 - metaslab improvements 2014-08-18 08:40:49 -07:00
metaslab.h Illumos 5213 - panic in metaslab_init due to space_map_open returning ENXIO 2014-11-14 15:37:45 -08:00
multilist.h Illumos 5497 - lock contention on arcs_mtx 2015-06-11 10:27:25 -07:00
nvpair_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
nvpair.h Replace __va_list with va_list 2014-08-13 10:35:00 -07:00
range_tree.h Illumos #4374 2014-07-30 09:20:35 -07:00
refcount.h Illumos #3464 2013-09-04 16:01:24 -07:00
rrwlock.h Illumos #3464 2013-09-04 16:01:24 -07:00
sa_impl.h Illumos 5056 - ZFS deadlock on db_mtx and dn_holds 2015-04-28 16:25:34 -07:00
sa.h Illumos 5056 - ZFS deadlock on db_mtx and dn_holds 2015-04-28 16:25:34 -07:00
sdt.h Swap DTRACE_PROBE* with Linux tracepoints 2014-11-17 11:13:55 -08:00
spa_boot.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
spa_impl.h Illumos 5818 - zfs {ref}compressratio is incorrect with 4k sector size 2015-06-10 16:24:01 -07:00
spa.h Illumos 5027 - zfs large block support 2015-05-11 12:23:16 -07:00
space_map.h Illumos 5164-5165 - space map fixes 2014-10-23 15:30:32 -07:00
space_reftree.h Illumos #4101, #4102, #4103, #4105, #4106 2014-07-22 09:39:16 -07:00
trace_acl.h Remove duplicate typedefs from trace.h 2015-01-06 16:53:24 -08:00
trace_arc.h Illumos 5408 - managing ZFS cache devices requires lots of RAM 2015-06-11 10:27:25 -07:00
trace_dbgmsg.h Remove duplicate typedefs from trace.h 2015-01-06 16:53:24 -08:00
trace_dbuf.h Remove duplicate typedefs from trace.h 2015-01-06 16:53:24 -08:00
trace_dmu.h Remove duplicate typedefs from trace.h 2015-01-06 16:53:24 -08:00
trace_dnode.h Remove duplicate typedefs from trace.h 2015-01-06 16:53:24 -08:00
trace_multilist.h Illumos 5497 - lock contention on arcs_mtx 2015-06-11 10:27:25 -07:00
trace_txg.h Remove duplicate typedefs from trace.h 2015-01-06 16:53:24 -08:00
trace_zil.h Remove duplicate typedefs from trace.h 2015-01-06 16:53:24 -08:00
trace_zrlock.h Add NULL guard in zfs_zrlock_class event class 2015-03-27 14:45:32 -07:00
trace.h Remove duplicate typedefs from trace.h 2015-01-06 16:53:24 -08:00
txg_impl.h Illumos #4045 write throttle & i/o scheduler performance work 2013-12-06 09:32:43 -08:00
txg.h Illumos 4753 - increase number of outstanding async writes when sync task is waiting 2014-09-23 13:50:55 -07:00
u8_textprep_data.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
u8_textprep.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
uberblock_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
uberblock.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
uio_impl.h Add basic uio support 2011-02-10 09:21:43 -08:00
unique.h Illumos #3742 2013-11-04 10:55:25 -08:00
uuid.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
vdev_disk.h cstyle: Resolve C style issues 2013-12-18 16:46:35 -08:00
vdev_file.h Use a dedicated taskq for vdev_file 2014-05-14 16:20:21 -07:00
vdev_impl.h Illumos 5818 - zfs {ref}compressratio is incorrect with 4k sector size 2015-06-10 16:24:01 -07:00
vdev.h Illumos 5269 - zpool import slow 2015-06-09 13:48:02 -07:00
xvattr.h Add xvattr support 2011-03-02 11:43:50 -08:00
zap_impl.h Illumos 5027 - zfs large block support 2015-05-11 12:23:16 -07:00
zap_leaf.h Illumos 5056 - ZFS deadlock on db_mtx and dn_holds 2015-04-28 16:25:34 -07:00
zap.h Illumos 3654,3656 2015-05-04 09:41:09 -07:00
zfeature.h Illumos 4370, 4371 2014-07-28 14:29:58 -07:00
zfs_acl.h Illumos #3742 2013-11-04 10:55:25 -08:00
zfs_context.h Rename cv_wait_interruptible() to cv_wait_sig() 2015-06-11 10:50:47 -07:00
zfs_ctldir.h Linux 3.7 compat, schedule_delayed_work() 2012-12-12 10:47:05 -08:00
zfs_debug.h Swap DTRACE_PROBE* with Linux tracepoints 2014-11-17 11:13:55 -08:00
zfs_delay.h cstyle: Resolve C style issues 2013-12-18 16:46:35 -08:00
zfs_dir.h Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
zfs_fuid.h Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
zfs_ioctl.h zfsdev_getminor() should check for invalid file handles 2015-06-22 17:02:13 -07:00
zfs_onexit.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zfs_rlock.h Illumos #3742 2013-11-04 10:55:25 -08:00
zfs_sa.h Illumos 5027 - zfs large block support 2015-05-11 12:23:16 -07:00
zfs_stat.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zfs_vfsops.h Reduce size of zfs_sb_t: allocate z_hold_mtx separately 2015-03-24 13:17:44 -07:00
zfs_vnops.h Add zfs_iput_async() interface 2014-08-11 16:11:43 -07:00
zfs_znode.h Illumos 5027 - zfs large block support 2015-05-11 12:23:16 -07:00
zil_impl.h Illumos 5027 - zfs large block support 2015-05-11 12:23:16 -07:00
zil.h Illumos 5269 - zpool import slow 2015-06-09 13:48:02 -07:00
zio_checksum.h Constify structures containing function pointers 2013-03-04 08:49:32 -08:00
zio_compress.h Illumos #3742 2013-11-04 10:55:25 -08:00
zio_impl.h Illumos #3836 2013-11-05 12:14:56 -08:00
zio.h Illumos #5244 - zio pipeline callers should explicitly invoke next stage 2015-04-30 15:07:47 -07:00
zpl.h Restructure per-filesystem reclaim 2015-03-20 10:35:20 -07:00
zrlock.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zvol.h Remove ZFC_IOC_*_MINOR ioctl()s 2013-12-16 09:15:57 -08:00