8021q: adding VLAN 0 to HW filter on device bond0
IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
INFO: task khugepaged:888 blocked for more than 140 seconds.
      Not tainted 4.6.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
khugepaged      D ffff8801d9477a38 30160   888      2 0x00000000
 ffff8801d9477a38 0000000000000086 ffff8801daf20c50 ffff8801daf20c28
 ffff8801daf202d8 ffff8800bba44788 ffff880100000000 ffff8801d9b282c0
 ffff8800bba44780 ffff8801d9470000 ffffed003b28e001 ffff8801d9470008
Call Trace:
 [<ffffffff8562d91a>] schedule+0x9a/0x1c0 kernel/sched/core.c:3250
 [<ffffffff8563941e>] rwsem_down_read_failed+0x1ae/0x2c0 kernel/locking/rwsem-xadd.c:250
 [<ffffffff829c2998>] call_rwsem_down_read_failed+0x18/0x30 arch/x86/lib/rwsem.S:92
 [<ffffffff85638520>] __down_read arch/x86/include/asm/rwsem.h:65 [inline]
 [<ffffffff85638520>] down_read+0x50/0x60 kernel/locking/rwsem.c:24
 [<ffffffff8174d756>] khugepaged_scan_mm_slot mm/huge_memory.c:2675 [inline]
 [<ffffffff8174d756>] khugepaged_do_scan mm/huge_memory.c:2794 [inline]
 [<ffffffff8174d756>] khugepaged+0x856/0x40f0 mm/huge_memory.c:2829
 [<ffffffff813a6c79>] kthread+0x209/0x2d0 kernel/kthread.c:209
 [<ffffffff8563c712>] ret_from_fork+0x22/0x50 arch/x86/entry/entry_64.S:392
INFO: lockdep is turned off.
Sending NMI to all CPUs:
NMI backtrace for cpu 0
CPU: 0 PID: 881 Comm: khungtaskd Not tainted 4.6.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d94e6640 ti: ffff8801d9718000 task.ti: ffff8801d9718000
RIP: 0010:[<ffffffff81260b36>]  [<ffffffff81260b36>] native_write_msr_safe+0x6/0x40 arch/x86/include/asm/msr.h:124
RSP: 0018:ffff8801d971fc48  EFLAGS: 00000086
RAX: 0000000000000400 RBX: 0000000000000400 RCX: 0000000000000830
RDX: 0000000000000000 RSI: 0000000000000400 RDI: 0000000000000830
RBP: ffff8801d971fc60 R08: 0000000000000400 R09: 0000000000000000
R10: ffffffff8720bfcb R11: fffffbfff0fcc539 R12: fffffbfff0df1a48
R13: ffffffff86f90260 R14: 0000000000080000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c42044fe80 CR3: 00000001d7021000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff81254f20 ffff8801d971fc60 0000000000000007 ffff8801d971fcc8
 ffffffff812550da 0000000000000286 ffffed0000000010 0000000000000286
 00000002d971fcb8 0000000000000000 0000000000000000 ffffffff866a7f00
Call Trace:
 [<ffffffff812550da>] __x2apic_send_IPI_mask+0x19a/0x2d0 arch/x86/kernel/apic/x2apic_phys.c:62
 [<ffffffff8125526e>] x2apic_send_IPI_mask+0xe/0x10 arch/x86/kernel/apic/x2apic_cluster.c:87
 [<ffffffff8124a83b>] nmi_raise_cpu_backtrace+0x5b/0x70 arch/x86/kernel/apic/hw_nmi.c:33
 [<ffffffff8299bfd6>] nmi_trigger_all_cpu_backtrace+0x4d6/0x640 lib/nmi_backtrace.c:85
 [<ffffffff8124a8d4>] arch_trigger_all_cpu_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 [<ffffffff815545a1>] trigger_all_cpu_backtrace include/linux/nmi.h:41 [inline]
 [<ffffffff815545a1>] check_hung_task kernel/hung_task.c:125 [inline]
 [<ffffffff815545a1>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
 [<ffffffff815545a1>] watchdog+0x661/0xa00 kernel/hung_task.c:239
 [<ffffffff813a6c79>] kthread+0x209/0x2d0 kernel/kthread.c:209
 [<ffffffff8563c712>] ret_from_fork+0x22/0x50 arch/x86/entry/entry_64.S:392
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 
NMI backtrace for cpu 1
CPU: 1 PID: 7587 Comm: syz-executor0 Not tainted 4.6.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d1b2a6c0 ti: ffff8800b5a90000 task.ti: ffff8800b5a90000
RIP: 0010:[<ffffffff814406c7>]  [<ffffffff814406c7>] lock_acquire+0x157/0x480 kernel/locking/lockdep.c:3708
RSP: 0018:ffff8800b5a97aa0  EFLAGS: 00000082
RAX: 0000000000000000 RBX: ffff8801d1b2a6c0 RCX: 0000000000000000
RDX: 0000000000000004 RSI: 0000000000000000 RDI: ffffffff8699c820
RBP: ffff8800b5a97b08 R08: 0000000000000001 R09: 0000000000000286
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  00007f09af321700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1ba51a8140 CR3: 00000000b5abe000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801d1b2a6c0 ffffffff858a26a0 0000000000000269 0000000000000000
 ffffed0016f7c232 0000000000000286 0000000000000000 ffff8800b7be1168
 ffff8800b7be1108 dffffc0000000000 0000000000000000 ffff8801d1b2a6c0
Call Trace:
 [<ffffffff85633758>] __mutex_lock_common kernel/locking/mutex.c:518 [inline]
 [<ffffffff85633758>] mutex_lock_nested+0xa8/0xb30 kernel/locking/mutex.c:618
 [<ffffffff815fff28>] perf_mmap+0x468/0x14a0 kernel/events/core.c:4871
 [<ffffffff816d49da>] mmap_region+0x75a/0xf10 mm/mmap.c:1510
 [<ffffffff816d59ca>] do_mmap+0x83a/0xbc0 mm/mmap.c:1289
 [<ffffffff8167fd48>] do_mmap_pgoff include/linux/mm.h:2008 [inline]
 [<ffffffff8167fd48>] vm_mmap_pgoff+0x138/0x190 mm/util.c:301
 [<ffffffff816ceaf2>] SYSC_mmap_pgoff mm/mmap.c:1339 [inline]
 [<ffffffff816ceaf2>] SyS_mmap_pgoff+0x312/0x6c0 mm/mmap.c:1297
 [<ffffffff811ea906>] SYSC_mmap arch/x86/kernel/sys_x86_64.c:95 [inline]
 [<ffffffff811ea906>] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:86
 [<ffffffff8563c4c0>] entry_SYSCALL_64_fastpath+0x23/0xc1
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