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06ee0031a6
freebsd-dev/module/zfs
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Chunwei Chen 06ee0031a6 Fix memleak in zpl_parse_options 
strsep() will advance tmp_mntopts, and will change it to NULL on last
iteration.  This will cause strfree(tmp_mntopts) to not free anything.

unreferenced object 0xffff8800883976c0 (size 64):
  comm "mount.zfs", pid 3361, jiffies 4294931877 (age 1482.408s)
  hex dump (first 32 bytes):
    72 77 00 73 74 72 69 63 74 61 74 69 6d 65 00 7a  rw.strictatime.z
    66 73 75 74 69 6c 00 6d 6e 74 70 6f 69 6e 74 3d  fsutil.mntpoint=
  backtrace:
    [<ffffffff81810c4e>] kmemleak_alloc+0x4e/0xb0
    [<ffffffff811f9cac>] __kmalloc+0x16c/0x250
    [<ffffffffc065ce9b>] strdup+0x3b/0x60 [spl]
    [<ffffffffc080fad6>] zpl_parse_options+0x56/0x300 [zfs]
    [<ffffffffc080fe46>] zpl_mount+0x36/0x80 [zfs]
    [<ffffffff81222dc8>] mount_fs+0x38/0x160
    [<ffffffff81240097>] vfs_kern_mount+0x67/0x110
    [<ffffffff812428e0>] do_mount+0x250/0xe20
    [<ffffffff812437d5>] SyS_mount+0x95/0xe0
    [<ffffffff8181aff6>] entry_SYSCALL_64_fastpath+0x1e/0xa8
    [<ffffffffffffffff>] 0xffffffffffffffff

Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4706
Issue #4708
2016-05-31 16:04:26 -07:00
..
arc.c Fix arc_prune_task use-after-free 2016-05-25 14:11:53 -07:00
blkptr.c
bplist.c
bpobj.c
bptree.c Illumos 5960, 5925 2016-01-08 15:08:19 -08:00
bqueue.c Allow 16M send/recv blocks 2016-01-08 20:23:23 -05:00
dbuf_stats.c
dbuf.c Illumos 6844 - dnode_next_offset can detect fictional holes 2016-04-27 16:24:15 -07:00
ddt_zap.c
ddt.c Handle zap_lookup() failure in ddt_object_load() 2015-08-19 14:32:50 -07:00
dmu_diff.c Illumos 5960, 5925 2016-01-08 15:08:19 -08:00
dmu_object.c Illumos 6370 - ZFS send fails to transmit some holes 2016-03-10 14:25:22 -08:00
dmu_objset.c Add support for asynchronous zvol minor operations 2016-03-10 09:49:22 -08:00
dmu_send.c Reduce stack usage of dmu_recv_stream function 2016-05-11 12:14:24 -07:00
dmu_traverse.c Illumos 6370 - ZFS send fails to transmit some holes 2016-03-10 14:25:22 -08:00
dmu_tx.c Illumos 4950 - files sometimes can't be removed from a full filesystem 2016-01-21 16:59:30 -08:00
dmu_zfetch.c Illumos 6281 - prefetching should apply to 1MB reads 2016-01-12 13:51:27 -08:00
dmu.c Illumos 4950 - files sometimes can't be removed from a full filesystem 2016-01-21 16:59:30 -08:00
dnode_sync.c Illumos 5960, 5925 2016-01-08 15:08:19 -08:00
dnode.c Illumos 5987 - zfs prefetch code needs work 2016-01-12 09:02:33 -08:00
dsl_bookmark.c
dsl_dataset.c Add support for asynchronous zvol minor operations 2016-03-10 09:49:22 -08:00
dsl_deadlist.c Handle damaged blk_birth in dsl_deadlist_insert() 2015-12-15 16:12:31 -08:00
dsl_deleg.c
dsl_destroy.c Add support for asynchronous zvol minor operations 2016-03-10 09:49:22 -08:00
dsl_dir.c Add support for asynchronous zvol minor operations 2016-03-10 09:49:22 -08:00
dsl_pool.c Fix self-healing IO prior to dsl_pool_init() completion 2016-05-27 14:11:25 -07:00
dsl_prop.c Illumos 6681 - zfs list burning lots of time in dodefault() via dsl_prop_* 2016-03-15 18:46:44 -07:00
dsl_scan.c Illumos 6537 - Panic on zpool scrub with DEBUG kernel 2016-02-05 11:29:32 -08:00
dsl_synctask.c
dsl_userhold.c
fm.c Illumos 5045 - use atomic_{inc,dec}_* instead of atomic_add_* 2016-01-15 15:38:36 -08:00
gzip.c
lz4.c
lzjb.c
Makefile.in Add pn_alloc()/pn_free() functions 2016-04-21 09:49:25 -07:00
metaslab.c gcc build error: -Wbool-compare in metaslab.c 2016-03-30 09:36:51 -07:00
multilist.c Identify locks flagged by lockdep 2015-12-22 10:21:33 -08:00
pathname.c Add pn_alloc()/pn_free() functions 2016-04-21 09:49:25 -07:00
range_tree.c
refcount.c
rrwlock.c
sa.c Prevent SA length overflow 2015-12-30 13:20:12 -08:00
sha256.c
spa_boot.c
spa_config.c OpenZFS 6736 - ZFS per-vdev ZAPs 2016-05-02 14:27:45 -07:00
spa_errlog.c
spa_history.c
spa_misc.c Change KM_SLEEP to TQ_SLEEP in spa_deadman() 2016-03-09 10:41:31 -08:00
spa_stats.c
spa.c Add -lhHpw options to "zpool iostat" for avg latency, histograms, & queues 2016-05-12 12:36:32 -07:00
space_map.c Illumos 5960, 5925 2016-01-08 15:08:19 -08:00
space_reftree.c
trace.c OpenZFS 6531 - Provide mechanism to artificially limit disk performance 2016-05-26 10:11:51 -07:00
txg.c Increase default user space stack size 2016-01-13 13:55:12 -08:00
uberblock.c
unique.c
vdev_cache.c Illumos 5045 - use atomic_{inc,dec}_* instead of atomic_add_* 2016-01-15 15:38:36 -08:00
vdev_disk.c OpenZFS 6531 - Provide mechanism to artificially limit disk performance 2016-05-26 10:11:51 -07:00
vdev_file.c OpenZFS 6531 - Provide mechanism to artificially limit disk performance 2016-05-26 10:11:51 -07:00
vdev_label.c Add request size histograms (-r) to zpool iostat, minor man page fix 2016-05-25 15:49:35 -07:00
vdev_mirror.c FreeBSD r256956: Improve ZFS N-way mirror read performance by using load and locality information. 2016-02-26 11:24:35 -08:00
vdev_missing.c
vdev_queue.c Fix self-healing IO prior to dsl_pool_init() completion 2016-05-27 14:11:25 -07:00
vdev_raidz.c
vdev_root.c
vdev.c Add request size histograms (-r) to zpool iostat, minor man page fix 2016-05-25 15:49:35 -07:00
zap_leaf.c
zap_micro.c OpenZFS 6842 - Fix empty xattr dir causing lockup 2016-05-10 10:38:21 -07:00
zap.c OpenZFS 6842 - Fix empty xattr dir causing lockup 2016-05-10 10:38:21 -07:00
zfeature_common.c Illumos 5959 - clean up per-dataset feature count code 2015-12-04 14:20:20 -08:00
zfeature.c Revert "zhack: Add 'feature disable' command" 2016-05-17 11:52:07 -07:00
zfs_acl.c Fix atime handling and relatime 2016-04-05 18:54:55 -07:00
zfs_byteswap.c
zfs_ctldir.c Kill znode->z_gen field 2016-05-19 13:06:14 -07:00
zfs_debug.c Add dbgmsg kstat 2015-09-04 16:08:14 -07:00
zfs_dir.c Fix atime handling and relatime 2016-04-05 18:54:55 -07:00
zfs_fm.c Remove wrong ASSERT in annotate_ecksum 2016-02-17 10:43:02 -08:00
zfs_fuid.c
zfs_ioctl.c OpenZFS 6286 - ZFS internal error when set large block on bootfs 2016-05-05 16:19:12 -07:00
zfs_log.c
zfs_onexit.c
zfs_replay.c Add pn_alloc()/pn_free() functions 2016-04-21 09:49:25 -07:00
zfs_rlock.c Remove dummy znode from zvol_state 2016-05-17 10:29:02 -07:00
zfs_sa.c Kill znode->z_gen field 2016-05-19 13:06:14 -07:00
zfs_vfsops.c Fix zsb->z_hold_mtx deadlock 2016-01-15 15:33:45 -08:00
zfs_vnops.c Fix out-of-bound access in zfs_fillpage 2016-05-31 16:01:27 -07:00
zfs_znode.c Skip ctldir znode in zfs_rezget to fix snapdir issues 2016-05-23 11:06:56 -07:00
zil.c Align thread priority with Linux defaults 2015-07-28 13:36:47 -07:00
zio_checksum.c
zio_compress.c
zio_inject.c OpenZFS 6531 - Provide mechanism to artificially limit disk performance 2016-05-26 10:11:51 -07:00
zio.c OpenZFS 6531 - Provide mechanism to artificially limit disk performance 2016-05-26 10:11:51 -07:00
zle.c
zpl_ctldir.c Linux 4.7 compat: use iterate_shared for concurrent readdir 2016-05-20 11:09:16 -07:00
zpl_export.c zfsctl: No need to sync ctldir inodes 2015-08-31 13:54:39 -07:00
zpl_file.c Linux 4.7 compat: use iterate_shared for concurrent readdir 2016-05-20 11:09:16 -07:00
zpl_inode.c Add pn_alloc()/pn_free() functions 2016-04-21 09:49:25 -07:00
zpl_super.c Fix memleak in zpl_parse_options 2016-05-31 16:04:26 -07:00
zpl_xattr.c Linux 4.5 compat: Use xattr_handler->name for acl 2016-04-25 08:42:08 -07:00
zrlock.c
zvol.c Linux 4.7 compat: replace blk_queue_flush with blk_queue_write_cache 2016-05-20 11:08:55 -07:00