[59662.161962] PAX: please report this to pageexec@freemail.hu
[59662.161981] BUG: unable to handle kernel NULL pointer dereference at            (nil)
[59662.162010] IP: [<ffffffff81079fa4>] __wake_up_common+0x34/0xa0
[59662.162034] PGD 761996066
[59662.162043] Thread overran stack, or stack corrupted
[59662.162053] Oops: 0000 [#1] PREEMPT SMP
[59662.162071] Modules linked in: xt_nat macvtap macvlan ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables x_tables nfsd auth_rpcgss oid_registry nfs_acl ipv6 tun kvm_amd kvm microcode mperf freq_table bnx2 processor thermal_sys ohci_pci button xts gf128mul aes_x86_64 cbc libiscsi scsi_transport_iscsi tg3 libphy ptp pps_core e1000 fuse zfs(PO) zcommon(PO) znvpair(PO) zavl(PO) zunicode(PO) spl(O) nfs lockd sunrpc jfs reiserfs btrfs zlib_deflate lzo_compress multipath linear raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov raid6_pq async_tx raid1 raid0 dm_snapshot dm_crypt dm_mirror dm_region_hash dm_log dm_mod hid_sunplus
[59662.162429]  hid_sony led_class hid_samsung hid_pl hid_petalynx hid_gyration sl811_hcd usbhid xhci_hcd ohci_hcd uhci_hcd usb_storage ehci_pci ehci_hcd usbcore usb_common scsi_transport_fc scsi_tgt hpsa cciss sg
[59662.162515] CPU: 13 PID: 24701 Comm: zfs Tainted: P           O 3.11.7-hardened-r1 #6
[59662.162528] Hardware name: HP ProLiant DL585 G2   , BIOS A07 04/30/2010
[59662.162555] task: ffff88103286ba00 ti: ffff88103286be68 task.ti: ffff88103286be68
[59662.162583] RIP: 0010:[<ffffffff81079fa4>]  [<ffffffff81079fa4>] __wake_up_common+0x34/0xa0
[59662.162616] RSP: 0018:ffff880a2af4bc98  EFLAGS: 00010086
[59662.162641] RAX: 0000000000000000 RBX: ffff880dfb827e10 RCX: 0000000000000000
[59662.162669] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff880dfb827e10
[59662.162697] RBP: ffff880a2af4bcd8 R08: 0000000000000000 R09: 0000000000000000
[59662.162728] R10: ffffffffffffffff R11: 0000000000000000 R12: ffff880dfb827e18
[59662.162758] R13: 8000000000000000 R14: ffff880ff54a0cf0 R15: 0000000000000003
[59662.162787] FS:  0000028d9f37bb80(0000) GS:ffff88107fba0000(0000) knlGS:0000000000000000
[59662.162818] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[59662.162843] CR2: 0000000000000000 CR3: 0000000001584000 CR4: 00000000000006f0
[59662.162869] Stack:
[59662.162887]  0000000000000000 0000000000000000 ffff880a2af4bcd8 ffff880dfb827e10
[59662.162924]  0000000000000096 0000000000000000 ffff880ff54a0cf0 0000000000000000
[59662.162958]  ffff880a2af4bd18 ffffffff8107a6be ffff880f00000000 8000000000000003
[59662.162994] Call Trace:
[59662.164222]  [<ffffffff8107a6be>] __wake_up+0x3e/0x60
[59662.164251]  [<ffffffff8130ce7b>] __blk_drain_queue+0x10b/0x140
[59662.164279]  [<ffffffff8130cff1>] blk_cleanup_queue+0x81/0xf0
[59662.164338]  [<ffffffffa05bdf1c>] zrl_is_locked+0xfac/0x1a20 [zfs]
[59662.164373]  [<ffffffffa05bf1b2>] zvol_remove_minor+0xa2/0x150 [zfs]
[59662.164412]  [<ffffffffa059479d>] zfs_unmount_snap+0x1bd/0x300 [zfs]
[59662.164449]  [<ffffffffa0594f3f>] pool_status_check+0x59f/0x630 [zfs]
[59662.164482]  [<ffffffff81143a4a>] do_vfs_ioctl+0xaa/0x8a0
[59662.164509]  [<ffffffff811442d9>] SyS_ioctl+0x99/0xb0
[59662.164537]  [<ffffffff8103e78d>] ? do_page_fault+0x1d/0x30
[59662.164566]  [<ffffffff8155ea0e>] system_call_fastpath+0x18/0x1d
[59662.164591] Code: 41 56 41 55 49 bd 00 00 00 00 00 00 00 80 41 54 49 89 fc 53 48 83 ec 18 89 55 c8 89 4d cc 4c 89 45 c0 49 8b 44 24 08 49 83 c4 08 <4c> 8b 30 48 8d 78 e8 49 83 ee 18 49 39 c4 75 07 eb 3c 66 90 49
[59662.164820] RIP  [<ffffffff81079fa4>] __wake_up_common+0x34/0xa0
[59662.164850]  RSP <ffff880a2af4bc98>
[59662.164872] CR2: 0000000000000000
[59662.165060] ---[ end trace b6f12f61ccc38e92 ]---
[59662.165108] note: zfs[24701] exited with preempt_count 2
[59662.165969] BUG: scheduling while atomic: zfs/24701/0x00000003
[59662.166016] Modules linked in: xt_nat macvtap macvlan ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables x_tables nfsd auth_rpcgss oid_registry nfs_acl ipv6 tun kvm_amd kvm microcode mperf freq_table bnx2 processor thermal_sys ohci_pci button xts gf128mul aes_x86_64 cbc libiscsi scsi_transport_iscsi tg3 libphy ptp pps_core e1000 fuse zfs(PO) zcommon(PO) znvpair(PO) zavl(PO) zunicode(PO) spl(O) nfs lockd sunrpc jfs reiserfs btrfs zlib_deflate lzo_compress multipath linear raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov raid6_pq async_tx raid1 raid0 dm_snapshot dm_crypt dm_mirror dm_region_hash dm_log dm_mod hid_sunplus
[59662.168293]  hid_sony led_class hid_samsung hid_pl hid_petalynx hid_gyration sl811_hcd usbhid xhci_hcd ohci_hcd uhci_hcd usb_storage ehci_pci ehci_hcd usbcore usb_common scsi_transport_fc scsi_tgt hpsa cciss sg
[59662.168883] CPU: 13 PID: 24701 Comm: zfs Tainted: P      D    O 3.11.7-hardened-r1 #6
[59662.168931] Hardware name: HP ProLiant DL585 G2   , BIOS A07 04/30/2010
[59662.168979]  00000000ffffffff 0000000000000000 0000000000000000 ffff880a2af4af98
[59662.169119]  ffffffff81557599 0000000000000007 ffff88103286ba00 ffff880a2af4afb8
[59662.169266]  ffffffff81551ad8 ffff88103286be68 ffff88107fbae600 ffff880a2af4b0e8
[59662.169407] Call Trace:
[59662.169455]  [<ffffffff81557599>] dump_stack+0x4f/0x87
[59662.169504]  [<ffffffff81551ad8>] __schedule_bug+0x46/0x5c
[59662.169552]  [<ffffffff8155bdad>] __schedule+0x84d/0xd80
[59662.169599]  [<ffffffff810845a0>] ? hrtick_update+0x80/0x80
[59662.169662]  [<ffffffff81356cb4>] ? __list_del_entry+0x14/0x40
[59662.169709]  [<ffffffff8155c3e4>] schedule+0x24/0x70
[59662.169766]  [<ffffffff8155c6d3>] schedule_preempt_disabled+0x13/0x30
[59662.169814]  [<ffffffff8155a674>] __mutex_lock_slowpath+0x124/0x340
[59662.169861]  [<ffffffff8155a8a4>] mutex_lock+0x14/0x30
[59662.169919]  [<ffffffffa0543594>] dsl_dir_willuse_space+0x34/0xf0 [zfs]
[59662.169993]  [<ffffffffa054362b>] dsl_dir_willuse_space+0xcb/0xf0 [zfs]
[59662.170059]  [<ffffffffa0536fda>] dnode_willuse_space+0x4a/0x90 [zfs]
[59662.170114]  [<ffffffffa051e157>] dbuf_dirty+0x127/0x8c0 [zfs]
[59662.170166]  [<ffffffffa051e3b5>] dbuf_dirty+0x385/0x8c0 [zfs]
[59662.170219]  [<ffffffffa051e3b5>] dbuf_dirty+0x385/0x8c0 [zfs]
[59662.170272]  [<ffffffffa051e3b5>] dbuf_dirty+0x385/0x8c0 [zfs]
[59662.170332]  [<ffffffffa0535c41>] dnode_setdirty+0x131/0x170 [zfs]
[59662.170385]  [<ffffffffa051e46c>] dbuf_dirty+0x43c/0x8c0 [zfs]
[59662.170439]  [<ffffffffa051ecc9>] dmu_buf_will_dirty+0x99/0xf0 [zfs]
[59662.170497]  [<ffffffffa0556961>] sa_attr_op+0x251/0x540 [zfs]
[59662.170544]  [<ffffffff8109d38d>] ? mutex_remove_waiter+0x4d/0x140
[59662.170601]  [<ffffffffa0556b87>] sa_attr_op+0x477/0x540 [zfs]
[59662.170659]  [<ffffffffa0556c93>] sa_bulk_update+0x43/0x70 [zfs]
[59662.170712]  [<ffffffffa059f55c>] zfs_dirty_inode+0x25c/0x2f0 [zfs]
[59662.170762]  [<ffffffff81184a98>] ? locks_remove_flock+0x18/0x160
[59662.170815]  [<ffffffffa05bab3b>] zpl_vap_init+0x8bb/0xa20 [zfs]
[59662.170885]  [<ffffffff8115c51a>] __mark_inode_dirty+0x4a/0x250
[59662.170950]  [<ffffffffa05b92e2>] zpl_snapdir_rename+0x5c2/0xa90 [zfs]
[59662.171022]  [<ffffffff8112f7e4>] __fput+0xb4/0x260
[59662.171085]  [<ffffffff81162e1d>] ? free_fs_struct+0x2d/0x40
[59662.171140]  [<ffffffff8112f9e5>] ____fput+0x15/0x20
[59662.171194]  [<ffffffff8106c860>] task_work_run+0xb0/0xe0
[59662.171241]  [<ffffffff8104d7aa>] do_exit+0x72a/0xa40
[59662.171286]  [<ffffffff81551b3a>] ? printk+0x4c/0x59
[59662.171330]  [<ffffffff8104dbfa>] do_group_exit+0x3a/0xa0
[59662.171378]  [<ffffffff810070f6>] oops_end+0x96/0xe0
[59662.171423]  [<ffffffff8155109c>] no_context+0x339/0x36b
[59662.171467]  [<ffffffff81551471>] __bad_area_nosemaphore+0x204/0x269
[59662.171513]  [<ffffffff81551b3a>] ? printk+0x4c/0x59
[59662.171557]  [<ffffffff81551500>] bad_area_nosemaphore+0x2a/0x32
[59662.171619]  [<ffffffff8103e73a>] __do_page_fault+0x52a/0x530
[59662.171665]  [<ffffffff8155d426>] ? _raw_spin_unlock_irqrestore+0x26/0x50
[59662.171738]  [<ffffffff8107a62c>] ? __wake_up_sync_key+0x5c/0x80
[59662.171787]  [<ffffffff8155d426>] ? _raw_spin_unlock_irqrestore+0x26/0x50
[59662.171842]  [<ffffffff81356cb4>] ? __list_del_entry+0x14/0x40
[59662.171894]  [<ffffffff8103e78d>] do_page_fault+0x1d/0x30
[59662.171940]  [<ffffffff8155e1a8>] page_fault+0x38/0x40
[59662.171985]  [<ffffffff81079fa4>] ? __wake_up_common+0x34/0xa0
[59662.172031]  [<ffffffff8109d38d>] ? mutex_remove_waiter+0x4d/0x140
[59662.172077]  [<ffffffff8107a6be>] __wake_up+0x3e/0x60
[59662.172123]  [<ffffffff8130ce7b>] __blk_drain_queue+0x10b/0x140
[59662.172168]  [<ffffffff8130cff1>] blk_cleanup_queue+0x81/0xf0
[59662.172220]  [<ffffffffa05bdf1c>] zrl_is_locked+0xfac/0x1a20 [zfs]
[59662.172272]  [<ffffffffa05bf1b2>] zvol_remove_minor+0xa2/0x150 [zfs]
[59662.172328]  [<ffffffffa059479d>] zfs_unmount_snap+0x1bd/0x300 [zfs]
[59662.172383]  [<ffffffffa0594f3f>] pool_status_check+0x59f/0x630 [zfs]
[59662.172431]  [<ffffffff81143a4a>] do_vfs_ioctl+0xaa/0x8a0
[59662.172481]  [<ffffffff811442d9>] SyS_ioctl+0x99/0xb0
[59662.172526]  [<ffffffff8103e78d>] ? do_page_fault+0x1d/0x30
[59662.172572]  [<ffffffff8155ea0e>] system_call_fastpath+0x18/0x1d
[59662.172954] BUG: scheduling while atomic: zfs/24701/0x00000003
[59662.173597] type=1400 audit(1388755003.676:29): apparmor="DENIED" operation="open" parent=7102 profile="/usr/sbin/syslog-ng" name="/run/utmp" pid=24699 comm="syslog-ng" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[59662.173000] Modules linked in: xt_nat macvtap macvlan ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables x_tables nfsd auth_rpcgss oid_registry nfs_acl ipv6 tun kvm_amd kvm microcode mperf freq_table bnx2 processor thermal_sys ohci_pci button xts gf128mul aes_x86_64 cbc libiscsi scsi_transport_iscsi tg3 libphy ptp pps_core e1000 fuse zfs(PO) zcommon(PO) znvpair(PO) zavl(PO) zunicode(PO) spl(O) nfs lockd sunrpc jfs reiserfs btrfs zlib_deflate lzo_compress multipath linear raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov raid6_pq async_tx raid1 raid0 dm_snapshot dm_crypt dm_mirror dm_region_hash dm_log dm_mod hid_sunplus
[59662.175391]  hid_sony led_class hid_samsung hid_pl hid_petalynx hid_gyration sl811_hcd usbhid xhci_hcd ohci_hcd uhci_hcd usb_storage ehci_pci ehci_hcd usbcore usb_common scsi_transport_fc scsi_tgt hpsa cciss sg
[59662.175997] CPU: 13 PID: 24701 Comm: zfs Tainted: P      D W  O 3.11.7-hardened-r1 #6
[59662.176046] Hardware name: HP ProLiant DL585 G2   , BIOS A07 04/30/2010
[59662.176093]  00000000ffffffff 0000000000000000 0000000000000000 ffff880a2af4b298
[59662.176235]  ffffffff81557599 0000000000000003 ffff88103286ba00 ffff880a2af4b2b8
[59662.176376]  ffffffff81551ad8 ffff88103286be68 ffff88107fbae600 ffff880a2af4b3e8
[59662.176516] Call Trace:
[59662.176559]  [<ffffffff81557599>] dump_stack+0x4f/0x87
[59662.176607]  [<ffffffff81551ad8>] __schedule_bug+0x46/0x5c
[59662.176657]  [<ffffffff8155bdad>] __schedule+0x84d/0xd80
[59662.176706]  [<ffffffff810845a0>] ? hrtick_update+0x80/0x80
[59662.176763]  [<ffffffffa05342c3>] ? dmu_zfetch+0xdc3/0x1ae0 [zfs]
[59662.176822]  [<ffffffffa05225b6>] ? ddt_prefetch+0x26/0xd0 [zfs]
[59662.176871]  [<ffffffff8155c3e4>] schedule+0x24/0x70
[59662.176919]  [<ffffffff8155c6d3>] schedule_preempt_disabled+0x13/0x30
[59662.176970]  [<ffffffff8155a674>] __mutex_lock_slowpath+0x124/0x340
[59662.177020]  [<ffffffff8155a8a4>] mutex_lock+0x14/0x30
[59662.177078]  [<ffffffffa0542476>] dsl_dir_set_quota+0x476/0x890 [zfs]
[59662.177128]  [<ffffffff81121b84>] ? __kmalloc+0x134/0x160
[59662.177181]  [<ffffffffa046cbdb>] ? kmem_alloc_debug+0xbb/0x190 [spl]
[59662.177240]  [<ffffffffa0543518>] dsl_dir_tempreserve_space+0x148/0x190 [zfs]
[59662.177300]  [<ffffffffa0532a79>] dmu_tx_assign+0x4d9/0x5c0 [zfs]
[59662.177358]  [<ffffffffa05308d0>] ? dmu_tx_callback_register+0xe0/0x130 [zfs]
[59662.177417]  [<ffffffffa059f3a9>] zfs_dirty_inode+0xa9/0x2f0 [zfs]
[59662.177466]  [<ffffffff8155335f>] ? __slab_free+0x25/0x3fc
[59662.177514]  [<ffffffff8155d3d9>] ? _raw_spin_unlock+0x19/0x40
[59662.177564]  [<ffffffff81184a98>] ? locks_remove_flock+0x18/0x160
[59662.177614]  [<ffffffff81174e51>] ? fsnotify+0x31/0x330
[59662.177669]  [<ffffffffa05bab3b>] zpl_vap_init+0x8bb/0xa20 [zfs]
[59662.177718]  [<ffffffff8115c51a>] __mark_inode_dirty+0x4a/0x250
[59662.177771]  [<ffffffffa05b92e2>] zpl_snapdir_rename+0x5c2/0xa90 [zfs]
[59662.177822]  [<ffffffff8112f7e4>] __fput+0xb4/0x260
[59662.177877]  [<ffffffff81162e1d>] ? free_fs_struct+0x2d/0x40
[59662.177927]  [<ffffffff8112f9e5>] ____fput+0x15/0x20
[59662.177974]  [<ffffffff8106c860>] task_work_run+0xb0/0xe0
[59662.178021]  [<ffffffff8104d7aa>] do_exit+0x72a/0xa40
[59662.178068]  [<ffffffff81551b3a>] ? printk+0x4c/0x59
[59662.178117]  [<ffffffff8104dbfa>] do_group_exit+0x3a/0xa0
[59662.178166]  [<ffffffff810070f6>] oops_end+0x96/0xe0
[59662.178213]  [<ffffffff8155109c>] no_context+0x339/0x36b
[59662.178260]  [<ffffffff81551471>] __bad_area_nosemaphore+0x204/0x269
[59662.178309]  [<ffffffff81551b3a>] ? printk+0x4c/0x59
[59662.178357]  [<ffffffff81551500>] bad_area_nosemaphore+0x2a/0x32
[59662.178406]  [<ffffffff8103e73a>] __do_page_fault+0x52a/0x530
[59662.178456]  [<ffffffff8155d426>] ? _raw_spin_unlock_irqrestore+0x26/0x50
[59662.178506]  [<ffffffff8107a62c>] ? __wake_up_sync_key+0x5c/0x80
[59662.178555]  [<ffffffff8155d426>] ? _raw_spin_unlock_irqrestore+0x26/0x50
[59662.178606]  [<ffffffff81356cb4>] ? __list_del_entry+0x14/0x40
[59662.178655]  [<ffffffff8103e78d>] do_page_fault+0x1d/0x30
[59662.178702]  [<ffffffff8155e1a8>] page_fault+0x38/0x40
[59662.178750]  [<ffffffff81079fa4>] ? __wake_up_common+0x34/0xa0
[59662.178799]  [<ffffffff8109d38d>] ? mutex_remove_waiter+0x4d/0x140
[59662.178847]  [<ffffffff8107a6be>] __wake_up+0x3e/0x60
[59662.178894]  [<ffffffff8130ce7b>] __blk_drain_queue+0x10b/0x140
[59662.178947]  [<ffffffff8130cff1>] blk_cleanup_queue+0x81/0xf0
[59662.179003]  [<ffffffffa05bdf1c>] zrl_is_locked+0xfac/0x1a20 [zfs]
[59662.179058]  [<ffffffffa05bf1b2>] zvol_remove_minor+0xa2/0x150 [zfs]
[59662.179117]  [<ffffffffa059479d>] zfs_unmount_snap+0x1bd/0x300 [zfs]
[59662.179175]  [<ffffffffa0594f3f>] pool_status_check+0x59f/0x630 [zfs]
[59662.179225]  [<ffffffff81143a4a>] do_vfs_ioctl+0xaa/0x8a0
[59662.179273]  [<ffffffff811442d9>] SyS_ioctl+0x99/0xb0
[59662.179320]  [<ffffffff8103e78d>] ? do_page_fault+0x1d/0x30
[59662.179370]  [<ffffffff8155ea0e>] system_call_fastpath+0x18/0x1d