[ 40.166525] audit: type=1800 audit(1574273823.434:25): pid=5250 uid=0 auid=4294967295 ses=4294967295 subj=_ op="collect_data" cause="failed(directio)" comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 40.188696] audit: type=1800 audit(1574273823.464:26): pid=5250 uid=0 auid=4294967295 ses=4294967295 subj=_ op="collect_data" cause="failed(directio)" comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 40.212114] audit: type=1800 audit(1574273823.484:27): pid=5250 uid=0 auid=4294967295 ses=4294967295 subj=_ op="collect_data" cause="failed(directio)" comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 53.070895] IPVS: Creating netns size=2712 id=1 [ 53.075806] IPVS: ftp: loaded support on port[0] = 21 Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts. 2019/11/20 18:17:26 parsed 1 programs 2019/11/20 18:17:26 executed programs: 0 [ 62.884809] IPVS: Creating netns size=2712 id=2 [ 62.889703] IPVS: ftp: loaded support on port[0] = 21 [ 62.968110] IPVS: Creating netns size=2712 id=3 [ 62.973392] IPVS: ftp: loaded support on port[0] = 21 [ 63.056246] IPVS: Creating netns size=2712 id=4 [ 63.061323] IPVS: ftp: loaded support on port[0] = 21 [ 63.157992] IPVS: Creating netns size=2712 id=5 [ 63.163113] IPVS: ftp: loaded support on port[0] = 21 [ 63.345424] IPVS: Creating netns size=2712 id=6 [ 63.355943] IPVS: ftp: loaded support on port[0] = 21 [ 63.648028] IPVS: Creating netns size=2712 id=7 [ 63.655033] IPVS: ftp: loaded support on port[0] = 21 [ 64.081230] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.087676] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.099433] device bridge_slave_0 entered promiscuous mode [ 64.108887] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.109543] ip (5669) used greatest stack depth: 24520 bytes left [ 64.122001] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.131713] device bridge_slave_0 entered promiscuous mode [ 64.149061] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.155485] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.164352] device bridge_slave_0 entered promiscuous mode [ 64.175599] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.182724] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.193409] device bridge_slave_1 entered promiscuous mode [ 64.213600] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.220084] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.229506] device bridge_slave_1 entered promiscuous mode [ 64.241625] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.248042] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.261957] device bridge_slave_1 entered promiscuous mode [ 64.272798] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 64.360667] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 64.373502] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 64.382944] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 64.415094] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 64.484802] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 64.567848] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 64.578607] ip (5742) used greatest stack depth: 24040 bytes left [ 64.643283] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 64.707154] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 64.723833] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 64.810461] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 64.887145] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 64.904800] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.919259] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.928144] device bridge_slave_0 entered promiscuous mode [ 65.008650] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.015498] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.024526] device bridge_slave_1 entered promiscuous mode [ 65.075651] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 65.192346] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 65.202149] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.214735] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.232794] device bridge_slave_0 entered promiscuous mode [ 65.303130] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.313816] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.333319] device bridge_slave_1 entered promiscuous mode [ 65.412699] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 65.423522] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 65.466083] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 65.477210] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 65.486454] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 65.502946] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 65.512592] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 65.532307] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 65.547396] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 65.556242] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.577215] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.615316] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 65.629793] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.719220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.727736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.797043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.815795] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 65.857325] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.864093] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.875225] device bridge_slave_0 entered promiscuous mode [ 65.890978] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 65.917507] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.930364] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.941867] device bridge_slave_1 entered promiscuous mode [ 65.975562] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 66.098401] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 66.106808] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 66.138334] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 66.219943] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.276654] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 66.285306] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.316940] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 66.333130] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 66.365924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.397457] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 66.406759] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.413202] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.420005] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.426357] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.446135] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.452595] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.459475] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.465881] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.494939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.698399] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.704877] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.711803] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.718222] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.818526] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 66.857731] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 66.894174] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.932135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.954860] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.961353] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.968268] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.974699] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.076085] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.082555] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.089463] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.095872] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.514761] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.521251] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.528152] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.534585] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.627658] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.773900] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.791073] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 68.970495] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 68.983167] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.005716] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.170188] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.201724] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 69.250289] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.320651] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.426691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.446637] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 69.528762] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 69.626888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.686500] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.735614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.860187] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 70.064880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2019/11/20 18:17:33 executed programs: 6 [ 282.328962] INFO: task khugepaged:888 blocked for more than 140 seconds. [ 282.335865] Not tainted 4.6.0-rc7-syzkaller #0 [ 282.341275] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 282.349347] khugepaged D ffff8801d9477a38 30160 888 2 0x00000000 [ 282.356788] ffff8801d9477a38 0000000000000086 ffff8801daf20c50 ffff8801daf20c28 [ 282.364929] ffff8801daf202d8 ffff8800bba44788 ffff880100000000 ffff8801d9b282c0 [ 282.372977] ffff8800bba44780 ffff8801d9470000 ffffed003b28e001 ffff8801d9470008 [ 282.382720] Call Trace: [ 282.385329] [] schedule+0x9a/0x1c0 [ 282.390521] [] rwsem_down_read_failed+0x1ae/0x2c0 [ 282.396999] [] ? rt_mutex_futex_unlock+0x10/0x10 [ 282.403402] [] ? __mem_cgroup_threshold+0x1f5/0x5a0 [ 282.410111] [] ? __this_cpu_preempt_check+0x13/0x20 [ 282.416864] [] ? mem_cgroup_event_ratelimit.isra.44+0x51/0x120 [ 282.424505] [] call_rwsem_down_read_failed+0x18/0x30 [ 282.431249] [] down_read+0x50/0x60 [ 282.436420] [] ? khugepaged+0x856/0x40f0 [ 282.442122] [] khugepaged+0x856/0x40f0 [ 282.447643] [] ? kvm_sched_clock_read+0x9/0x20 [ 282.453881] [] ? set_huge_zero_page.part.49+0x1d0/0x1d0 [ 282.460909] [] ? __schedule+0x918/0x1c00 [ 282.466603] [] ? wake_atomic_t_function+0x210/0x210 [ 282.473262] [] ? set_huge_zero_page.part.49+0x1d0/0x1d0 [ 282.480272] [] kthread+0x209/0x2d0 [ 282.485446] [] ? kthread_create_on_node+0x390/0x390 [ 282.492107] [] ret_from_fork+0x22/0x50 [ 282.497630] [] ? kthread_create_on_node+0x390/0x390 [ 282.504870] INFO: lockdep is turned off. [ 282.508978] Sending NMI to all CPUs: [ 282.513849] NMI backtrace for cpu 0 [ 282.517461] CPU: 0 PID: 881 Comm: khungtaskd Not tainted 4.6.0-rc7-syzkaller #0 [ 282.524915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.534268] task: ffff8801d94e6640 ti: ffff8801d9718000 task.ti: ffff8801d9718000 [ 282.541887] RIP: 0010:[] [] native_write_msr_safe+0x6/0x40 [ 282.550713] RSP: 0018:ffff8801d971fc48 EFLAGS: 00000086 [ 282.556141] RAX: 0000000000000400 RBX: 0000000000000400 RCX: 0000000000000830 [ 282.563406] RDX: 0000000000000000 RSI: 0000000000000400 RDI: 0000000000000830 [ 282.570670] RBP: ffff8801d971fc60 R08: 0000000000000400 R09: 0000000000000000 [ 282.577923] R10: ffffffff8720bfcb R11: fffffbfff0fcc539 R12: fffffbfff0df1a48 [ 282.585279] R13: ffffffff86f90260 R14: 0000000000080000 R15: dffffc0000000000 [ 282.592552] FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 282.600777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 282.606639] CR2: 000000c42044fe80 CR3: 00000001d7021000 CR4: 00000000001406f0 [ 282.613909] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 282.621174] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 282.628427] Stack: [ 282.630579] ffffffff81254f20 ffff8801d971fc60 0000000000000007 ffff8801d971fcc8 [ 282.638094] ffffffff812550da 0000000000000286 ffffed0000000010 0000000000000286 [ 282.645633] 00000002d971fcb8 0000000000000000 0000000000000000 ffffffff866a7f00 [ 282.653164] Call Trace: [ 282.655734] [] ? __x2apic_send_IPI_dest.constprop.7+0x60/0x80 [ 282.663257] [] __x2apic_send_IPI_mask+0x19a/0x2d0 [ 282.669737] [] x2apic_send_IPI_mask+0xe/0x10 [ 282.675772] [] nmi_raise_cpu_backtrace+0x5b/0x70 [ 282.682185] [] nmi_trigger_all_cpu_backtrace+0x4d6/0x640 [ 282.689274] [] ? memcpy+0x36/0x40 [ 282.694355] [] ? irq_force_complete_move+0x3e0/0x3e0 [ 282.701096] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 282.708092] [] watchdog+0x661/0xa00 [ 282.713364] [] ? watchdog+0x109/0xa00 [ 282.718810] [] ? reset_hung_task_detector+0x10/0x10 [ 282.725452] [] kthread+0x209/0x2d0 [ 282.730651] [] ? kthread_create_on_node+0x390/0x390 [ 282.737294] [] ret_from_fork+0x22/0x50 [ 282.742831] [] ? kthread_create_on_node+0x390/0x390 [ 282.749487] Code: 5b 5d c3 48 c1 e2 20 48 89 d3 31 d2 48 09 c3 48 89 de e8 ee 91 7f 01 48 89 d8 5b 5d c3 0f 1f 84 00 00 00 00 00 89 f0 89 f9 0f 30 <31> c0 0f 1f 44 00 00 c3 41 89 f0 48 89 d6 55 89 c2 48 c1 e6 20 [ 282.768498] NMI backtrace for cpu 1 [ 282.772143] CPU: 1 PID: 7587 Comm: syz-executor0 Not tainted 4.6.0-rc7-syzkaller #0 [ 282.779946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.789297] task: ffff8801d1b2a6c0 ti: ffff8800b5a90000 task.ti: ffff8800b5a90000 [ 282.796903] RIP: 0010:[] [] lock_acquire+0x157/0x480 [ 282.805223] RSP: 0018:ffff8800b5a97aa0 EFLAGS: 00000082 [ 282.810674] RAX: 0000000000000000 RBX: ffff8801d1b2a6c0 RCX: 0000000000000000 [ 282.817928] RDX: 0000000000000004 RSI: 0000000000000000 RDI: ffffffff8699c820 [ 282.825210] RBP: ffff8800b5a97b08 R08: 0000000000000001 R09: 0000000000000286 [ 282.832470] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 282.839735] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 282.846986] FS: 00007f09af321700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 282.855301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 282.861184] CR2: 00007f1ba51a8140 CR3: 00000000b5abe000 CR4: 00000000001406e0 [ 282.868436] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 282.875706] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 282.882985] Stack: [ 282.885122] ffff8801d1b2a6c0 ffffffff858a26a0 0000000000000269 0000000000000000 [ 282.892659] ffffed0016f7c232 0000000000000286 0000000000000000 ffff8800b7be1168 [ 282.900185] ffff8800b7be1108 dffffc0000000000 0000000000000000 ffff8801d1b2a6c0 [ 282.907701] Call Trace: [ 282.910279] [] ? perf_mmap+0x468/0x14a0 [ 282.915883] [] mutex_lock_nested+0xa8/0xb30 [ 282.921865] [] ? perf_mmap+0x468/0x14a0 [ 282.927471] [] ? __mutex_unlock_slowpath+0x2b7/0x530 [ 282.934218] [] ? _mutex_lock_nest_lock+0xb30/0xb30 [ 282.940785] [] perf_mmap+0x468/0x14a0 [ 282.946214] [] ? kasan_slab_alloc+0x12/0x20 [ 282.952175] [] mmap_region+0x75a/0xf10 [ 282.957689] [] do_mmap+0x83a/0xbc0 [ 282.962873] [] vm_mmap_pgoff+0x138/0x190 [ 282.968562] [] ? vma_is_stack_for_task+0x90/0x90 [ 282.974959] [] ? __fget+0x1df/0x320 [ 282.980225] [] ? __might_fault+0xc6/0x1b0 [ 282.986003] [] SyS_mmap_pgoff+0x312/0x6c0 [ 282.991836] [] ? __might_fault+0xc6/0x1b0 [ 282.997731] [] ? find_mergeable_anon_vma+0x90/0x90 [ 283.004320] [] ? SyS_clock_settime+0x1b0/0x1b0 [ 283.010556] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 283.017115] [] SyS_mmap+0x16/0x20 [ 283.022212] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 283.028794] Code: bd 7e 83 f8 3f 0f 87 10 02 00 00 89 c0 48 0f a3 05 07 ca b4 05 19 c0 85 c0 0f 85 ba 01 00 00 4c 8b 4d c0 c7 44 24 18 00 00 00 00 <45> 89 f0 44 89 e9 c7 44 24 10 00 00 00 00 48 8b 45 10 4c 89 3c [ 283.047961] Kernel panic - not syncing: hung_task: blocked tasks [ 283.054159] CPU: 0 PID: 881 Comm: khungtaskd Not tainted 4.6.0-rc7-syzkaller #0 [ 283.061589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.070925] 1ffffffff0cd578e ffff8801d971fcb0 ffffffff82990ff6 ffffffff858d1d40 [ 283.078954] ffff8801d971fd88 00000000003fffe2 dffffc0000000000 ffff8801d971fd78 [ 283.086980] ffffffff81615ca3 0000000041b58ab3 ffffffff864258d0 ffffffff81615af4 [ 283.095014] Call Trace: [ 283.097592] [] dump_stack+0xe6/0x120 [ 283.102952] [] panic+0x1af/0x348 [ 283.107949] [] ? set_ti_thread_flag+0xf/0xf [ 283.113901] [] ? nmi_trigger_all_cpu_backtrace+0x3cd/0x640 [ 283.121156] [] watchdog+0x672/0xa00 [ 283.126424] [] ? watchdog+0x109/0xa00 [ 283.131873] [] ? reset_hung_task_detector+0x10/0x10 [ 283.138532] [] kthread+0x209/0x2d0 [ 283.143708] [] ? kthread_create_on_node+0x390/0x390 [ 283.150370] [] ret_from_fork+0x22/0x50 [ 283.155895] [] ? kthread_create_on_node+0x390/0x390 [ 283.163344] Kernel Offset: disabled