kvm-unit-test: Phys timer BUG (2)

BUG: scheduling while atomic: swapper/2/0/0x00010102
Unable to handle kernel NULL pointer dereference at virtual address 00000838
pgd = ffff00000894f000
[00000838] *pgd=000000043fffe003Internal error: Oops: 96000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 0 Comm:  Tainted: G        W       4.9.0-rc2+ #23
Hardware name: linux,dummy-virt (DT)
task: 0000000000417158 task.stack: 0000000000401e60
PC is at do_page_fault+0x30/0x370
LR is at do_translation_fault+0x40/0x48
pc : [<ffff000008093778>] lr : [<ffff000008093bb0>] pstate: 200001c5
sp : ffff8003fff680e0
x29: ffff8003fff680e0 x28: ffff8003fff68000
x27: 00000000ffff03ad x26: ffff8003ee139900
x25: 0000000000000000 x24: 0000000000000838
x23: 00000000200001c5 x22: ffff8003fff68210
x21: 0000000096000004 x20: ffff8003fff68210
x19: 0000000000000000 x18: 0000fffffa485b00
x17: 0000ffff9f517020 x16: ffff0000080bea44
x15: ffffffffffffffed x14: 0000000000405000
x13: 0000000000000721 x12: 0000000000417158
x11: 0001000000000000 x10: 0000000000000850
x9 : ffff8003fff68000 x8 : ffff8003ee13a1b0
x7 : 00000009b41dac14 x6 : ffff000008093b70
x5 : ffff000008688010 x4 : ffff8003fff68000
x3 : 0001000000000000 x2 : ffff8003fff68210
x1 : 0000000096000004 x0 : 0000000000000838

Process  (pid: 0, stack limit = 0xffff8003fff68020)
Stack: (0xffff8003fff680e0 to 0x0000000000405e60)
Call trace:
Exception stack(0xffff8003fff67f10 to 0xffff8003fff68040)
7f00:                                   0000000000000000 0001000000000000
7f20: ffff8003fff680e0 ffff000008093778 0000000000000000 0000000000000000
7f40: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
7f60: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
7f80: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
7fa0: 0000000000000000 0000000000000000 0000000000000838 0000000096000004
7fc0: ffff8003fff68210 0001000000000000 ffff8003fff68000 ffff000008688010
7fe0: ffff000008093b70 00000009b41dac14 ffff8003ee13a1b0 ffff8003fff68000
8000: 0000000000000850 ffffffffffffffff 0000000000417158 0000000000000721
8020: 0000000000405000 ffffffffffffffed ffff0000080bea44 0000ffff9f517020
[<ffff000008093778>] do_page_fault+0x30/0x370
Code: aa0003f8 f9400893 2a0103f5 aa0203f4 (b9483a65)
Unable to handle kernel NULL pointer dereference at virtual address 00000120
pgd = ffff00000894f000
[00000120] *pgd=000000043fffe003, *pud=000000043fffd003
, *pmd=0000000000000000
Internal error: Oops: 96000004 [#2] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 0 Comm:  Tainted: G      D W       4.9.0-rc2+ #23
Hardware name: linux,dummy-virt (DT)
task: 0000000000417158 task.stack: 0000000000401e60
PC is at account_system_time+0x48/0x180
LR is at account_process_tick+0x5c/0x114
pc : [<ffff0000080e39f8>] lr : [<ffff0000080e3d2c>] pstate: 200001c5
sp : ffff8003fff67a50
x29: ffff8003fff67a50 x28: ffff8003fff68000
x27: ffff00000811afcc x26: 0000000000000001
x25: ffff0000088d2652 x24: 00000009b350ac5e
x23: 0000000000000001 x22: 00000009b350ac5e
x21: 00008003f76e2000 x20: 0000000000417158
x19: ffff8003fff71580 x18: 0000fffffa485b00
x17: 0000ffff9f517020 x16: 0000000000000000
x15: 0000000000000168 x14: 0000000000000002
x13: 000000000000000f x12: 0000000000000028
x11: ffff00000891e5c8 x10: ffff8003fff2d000
x9 : 0005e5377d210e1f x8 : 0000000000000005
x7 : 0000000000000018 x6 : 0000000000000000
x5 : 0000000000000003 x4 : 0000000000000000
x3 : 0000000000000001 x2 : 0000000000000001
x1 : 0000000000000001 x0 : 0000000000417158

Process  (pid: 0, stack limit = 0xffff8003fff68020)
Stack: (0xffff8003fff67a50 to 0x0000000000405e60)
Call trace:
Exception stack(0xffff8003fff67880 to 0xffff8003fff679b0)
7880: ffff8003fff71580 0001000000000000 ffff8003fff67a50 ffff0000080e39f8
78a0: ffff8003fff67920 ffff0000081260f8 ffff8003fff67920 ffff8003fff67920
78c0: ffff8003fff678f0 00000000ffffffd0 ffff8003fff67920 ffff8003fff67920
78e0: ffff8003fff678f0 00000000ffffffd0 0000000000000030 0000000000000370
7900: 0000000000000073 0000000000000000 0000000000800000 5e6466606f5e6e63
7920: 0000000000417158 0000000000000001 0000000000000001 0000000000000001
7940: 0000000000000000 0000000000000003 0000000000000000 0000000000000018
7960: 0000000000000005 0005e5377d210e1f ffff8003fff2d000 ffff00000891e5c8
7980: 0000000000000028 000000000000000f 0000000000000002 0000000000000168
79a0: 0000000000000000 0000ffff9f517020
[<ffff0000080e39f8>] account_system_time+0x48/0x180
[<ffff0000080e3d2c>] account_process_tick+0x5c/0x114
[<ffff00000810c484>] update_process_times+0x28/0x60
[<ffff00000811afbc>] tick_sched_handle.isra.14+0x3c/0x4c
[<ffff00000811b010>] tick_sched_timer+0x44/0x7c
[<ffff00000810ccec>] __hrtimer_run_queues+0xe8/0x14c
[<ffff00000810d280>] hrtimer_interrupt+0x9c/0x1e0
[<ffff00000853bcd8>] arch_timer_handler_phys+0x2c/0x38
[<ffff0000080ff1b4>] handle_percpu_devid_irq+0x78/0x118
[<ffff0000080fa340>] generic_handle_irq+0x24/0x38
[<ffff0000080fa994>] __handle_domain_irq+0x60/0xac
[<ffff0000080814cc>] gic_handle_irq+0x5c/0xb4
Exception stack(0xffff8003fff67ca0 to 0xffff8003fff67dd0)
7ca0: ffff8003fff67cd0 0001000000000000 ffff8003fff67e00 ffff00000866e8e8
7cc0: 0000000060000145 0000000000417158 ffff0000089170e8 0000000000000001
7ce0: 0000000000000280 0000000000000080 ffff0000088dd5d0 ffff8003fff6bb18
7d00: 000000000000003f 0000000000000169 6633303230616120 0000000000000169
7d20: ffff8003fff2d000 ffff00000891e5c8 0000000000000028 000000000000000f
7d40: 0000000000000002 0000000000000168 0000000000000000 0000ffff9f517020
7d60: 0000fffffa485b00 ffff000008917000 0000000000000000 ffff00000876bdf0
7d80: ffff8003fff67fb0 ffff8003fff68000 0000000000417158 0000000000000000
7da0: ffff8003ee139900 00000000ffff03ad ffff8003fff68000 ffff8003fff67e00
7dc0: ffff0000080884a0 ffff8003fff67e00
[<ffff0000080827b0>] el1_irq+0xb0/0x124
[<ffff0000080884a0>] die+0xc4/0x198
[<ffff000008096104>] __do_kernel_fault.part.3+0x74/0x84
[<ffff000008093a4c>] do_page_fault+0x304/0x370
[<ffff000008093bb0>] do_translation_fault+0x40/0x48
[<ffff000008081290>] do_mem_abort+0x40/0xa0
Exception stack(0xffff8003fff67f10 to 0xffff8003fff68040)
7f00:                                   0000000000000000 0001000000000000
7f20: ffff8003fff680e0 ffff000008093778 0000000000000000 0000000000000000
7f40: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
7f60: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
7f80: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
7fa0: 0000000000000000 0000000000000000 0000000000000838 0000000096000004
7fc0: ffff8003fff68210 0001000000000000 ffff8003fff68000 ffff000008688010
7fe0: ffff000008093b70 00000009b41dac14 ffff8003ee13a1b0 ffff8003fff68000
8000: 0000000000000850 ffffffffffffffff 0000000000417158 0000000000010722
8020: 0000000000405000 ffffffffffffffed ffff0000080bea44 0000ffff9f517020
[<ffff0000080825c4>] el1_da+0x18/0x78
Code: 8b020021 8b0300c3 f9028801 f9029003 (39448081)
---[ end trace 7b66abe0eec8eb9b ]---
Kernel panic - not syncing: Fatal exception in interrupt
SMP: stopping secondary CPUs
SMP: failed to stop secondary CPUs 0,2
Kernel Offset: disabled
Memory Limit: none
---[ end Kernel panic - not syncing: Fatal exception in interrupt