watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.2.64:817]
Modules linked in:
CPU: 1 PID: 817 Comm: syz.2.64 Not tainted 5.10.226-syzkaller-00709-ge5e5644ea27f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:unwind_next_frame+0x320/0x700 arch/x86/kernel/unwind_frame.c:295
Code: 4c 89 f0 48 c1 e8 03 80 3c 10 00 74 08 4c 89 f7 e8 c5 2e 76 00 49 c7 06 00 00 00 00 b0 01 e9 8c 02 00 00 4d 8d 6e 50 4c 89 eb <48> c1 eb 03 80 3c 13 00 74 12 4c 89 ef e8 fe 2d 76 00 48 ba 00 00
RSP: 0000:ffffc90000170138 EFLAGS: 00000287
RAX: ffffc9000262ff30 RBX: ffffc90000170210 RCX: 0000000000170201
RDX: dffffc0000000000 RSI: ffffffff84ad058b RDI: ffffc9000262ff48
RBP: ffffc900001701b0 R08: ffffc900001702a8 R09: 0000000000000019
R10: ffffc900001702b0 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc90000170210 R14: ffffc900001701c0 R15: 1ffff9200002e038
FS:  00007f7ac937e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4f7bbb0f98 CR3: 000000012bd66000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:430 [inline]
 ____kasan_kmalloc+0xdb/0x110 mm/kasan/common.c:509
 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:518
 kasan_kmalloc include/linux/kasan.h:254 [inline]
 __kmalloc+0x1aa/0x330 mm/slub.c:4033
 kmalloc include/linux/slab.h:557 [inline]
 kzalloc include/linux/slab.h:664 [inline]
 neigh_alloc net/core/neighbour.c:439 [inline]
 ___neigh_create+0x6e1/0x1a10 net/core/neighbour.c:592
 __neigh_create+0x32/0x40 net/core/neighbour.c:680
 ip6_finish_output2+0x957/0x1850 net/ipv6/ip6_output.c:142
 __ip6_finish_output+0x5ec/0x780 net/ipv6/ip6_output.c:216
 ip6_finish_output+0x34/0x1e0 net/ipv6/ip6_output.c:226
 NF_HOOK_COND include/linux/netfilter.h:288 [inline]
 ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:249
 dst_output include/net/dst.h:437 [inline]
 NF_HOOK include/linux/netfilter.h:299 [inline]
 ndisc_send_skb+0x6e9/0xc00 net/ipv6/ndisc.c:511
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:exit_to_user_mode_loop+0x41/0xd0 kernel/entry/common.c:159
Code: 89 fe eb 22 e8 50 4a 52 00 e8 bb ac f0 00 fa 65 48 8b 05 a2 03 a9 7e 48 8b 18 f7 c3 0e 30 08 00 0f 84 87 00 00 00 fb f6 c3 08 <74> 05 e8 08 00 58 03 f7 c3 00 10 00 00 74 08 4c 89 f7 e8 f8 70 34
RSP: 0000:ffffc9000262fee0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: ffff88810b3e93c0
RDX: 1ffff1102167d27c RSI: 0000000000000008 RDI: ffffc9000262ff58
RBP: ffffc9000262fef0 R08: ffffffff87084048 R09: ffffffff87084058
R10: ffffffff87084050 R11: ffffffff87084043 R12: ffffffff84c00c7a
R13: 0000000000000000 R14: ffffc9000262ff58 R15: 0000000000000000
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 irqentry_exit_to_user_mode+0x4e/0x80 kernel/entry/common.c:287
 irqentry_exit+0x12/0x60 kernel/entry/common.c:375
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0033:0x7f7aca5d4dc9
Code: 25 c0 fe ff ff eb 23 66 2e 0f 1f 84 00 00 00 00 00 45 31 c0 31 c9 ba 80 00 00 00 48 89 de bf ca 00 00 00 31 c0 e8 17 02 13 00 <8b> 03 85 c0 74 e1 c7 45 08 00 00 00 00 45 84 ed 74 2d 80 3d fa 78
RSP: 002b:00007f7ac937e0f0 EFLAGS: 00000217
RAX: 0000000000000000 RBX: 00007f7aca8bcf88 RCX: 00007f7aca704ff9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7aca8bcf88
RBP: 00007f7aca8bcf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7aca8bcf8c
R13: 0000000000000000 R14: 00007ffc40ffd920 R15: 00007ffc40ffda08
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 409 Comm: syz.1.18 Not tainted 5.10.226-syzkaller-00709-ge5e5644ea27f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:hrtimer_update_next_event kernel/time/hrtimer.c:617 [inline]
RIP: 0010:hrtimer_interrupt+0x47d/0x8b0 kernel/time/hrtimer.c:1714
Code: 0d 48 8b 7d a0 e8 33 2c 4d 00 48 8b 4d a0 48 89 19 eb 1f e8 a5 91 0f 00 4c 89 e7 be 0f 00 00 00 e8 08 ec ff ff 49 89 c6 eb 08 <e8> 8e 91 0f 00 49 89 de 48 8b 5d b0 48 8b 85 68 ff ff ff 42 80 3c
RSP: 0018:ffffc90000007218 EFLAGS: 00000097
RAX: 0000000000010101 RBX: 000000525790e287 RCX: ffff88810e6b8000
RDX: 0000000000010101 RSI: 7fffffffffffffff RDI: 000000525790e287
RBP: ffffc90000007318 R08: ffffffff815b1af8 R09: ffff88810e665160
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7049940
R13: 0000000000000001 R14: 7fffffffffffffff R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555b8f74a8 CR3: 0000000114d5b000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1100
 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline]
 sysvec_apic_timer_interrupt+0xba/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:unwind_next_frame+0x324/0x700 arch/x86/kernel/unwind_frame.c:295
Code: c1 e8 03 80 3c 10 00 74 08 4c 89 f7 e8 c5 2e 76 00 49 c7 06 00 00 00 00 b0 01 e9 8c 02 00 00 4d 8d 6e 50 4c 89 eb 48 c1 eb 03 <80> 3c 13 00 74 12 4c 89 ef e8 fe 2d 76 00 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90000007438 EFLAGS: 00000a02
RAX: ffffc90000e1ff30 RBX: 1ffff92000000ea2 RCX: 0000000000007501
RDX: dffffc0000000000 RSI: ffffffff81422790 RDI: ffffc90000e1ff48
RBP: ffffc900000074b0 R08: ffffc900000075a8 R09: 000000000000001e
R10: ffffc900000075b0 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc90000007510 R14: ffffc900000074c0 R15: 1ffff92000000e98
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:430 [inline]
 __kasan_slab_alloc+0xb1/0xe0 mm/kasan/common.c:463
 kasan_slab_alloc include/linux/kasan.h:244 [inline]
 slab_post_alloc_hook+0x61/0x2f0 mm/slab.h:583
 slab_alloc_node mm/slub.c:2947 [inline]
 slab_alloc mm/slub.c:2955 [inline]
 kmem_cache_alloc+0x168/0x2e0 mm/slub.c:2960
 dst_alloc+0x17d/0x590 net/core/dst.c:93
 ip6_dst_alloc net/ipv6/route.c:340 [inline]
 icmp6_dst_alloc+0xfc/0x560 net/ipv6/route.c:3164
 ndisc_send_skb+0x25a/0xc00 net/ipv6/ndisc.c:491
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:kasan_check_range+0x0/0x2a0 mm/kasan/generic.c:188
Code: 48 c1 ee 03 48 01 c6 48 89 c7 e8 ab 11 05 03 31 c0 5d c3 0f 0b eb 02 0f 0b b8 ea ff ff ff 5d c3 cc cc cc cc cc cc cc cc cc cc <55> 48 89 e5 41 57 41 56 41 55 41 54 53 b0 01 48 85 f6 0f 84 a4 01
RSP: 0018:ffffc90000e1f4c0 EFLAGS: 00000a02
RAX: 0000000000000001 RBX: ffffea000468e0c0 RCX: ffffffff81ad2ca2
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888103e6a890
RBP: ffffc90000e1f4c8 R08: ffffffff81ad2c51 R09: ffffc90000e1f458
R10: 00000000c5afdcf2 R11: 00000000006469ed R12: 0000000000000000
R13: ffff888103e6a890 R14: dffffc0000000000 R15: 1ffffffff0d09410
 instrument_write include/linux/instrumented.h:41 [inline]
 __clear_bit include/asm-generic/bitops/instrumented-non-atomic.h:42 [inline]
 __reset_page_owner+0xa2/0x150 mm/page_owner.c:180
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2ae/0x2d0 mm/page_alloc.c:3336
 free_unref_page_list+0x122/0xb20 mm/page_alloc.c:3443
 release_pages+0xea0/0xef0 mm/swap.c:1103
 free_pages_and_swap_cache+0x8a/0xa0 mm/swap_state.c:356
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:240 [inline]
 tlb_flush_mmu mm/mmu_gather.c:247 [inline]
 tlb_finish_mmu+0x177/0x320 mm/mmu_gather.c:326
 exit_mmap+0x312/0x5c0 mm/mmap.c:3357
 __mmput+0x95/0x2d0 kernel/fork.c:1153
 mmput+0x59/0x170 kernel/fork.c:1176
 exit_mm kernel/exit.c:539 [inline]
 do_exit+0xbda/0x2a50 kernel/exit.c:850
 do_group_exit+0x141/0x310 kernel/exit.c:985
 get_signal+0x10a0/0x1410 kernel/signal.c:2790
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 irqentry_exit_to_user_mode+0x4e/0x80 kernel/entry/common.c:287
 irqentry_exit+0x12/0x60 kernel/entry/common.c:375
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0033:0x7f83f4c1dff9
Code: Unable to access opcode bytes at RIP 0x7f83f4c1dfcf.
RSP: 002b:00007f83f3897038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f83f4dd5f80 RCX: 00007f83f4c1dff9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000004
RBP: 00007f83f4c90296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f83f4dd5f80 R15: 00007ffdabc69568
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (1 GPs behind) idle=286/1/0x4000000000000000 softirq=4767/4768 fqs=122 last_accelerate: e6b8/15e2 dyntick_enabled: 1
	(t=10000 jiffies g=2997 q=1325)
rcu: rcu_preempt kthread starved for 9195 jiffies! g2997 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:    0 pid:   13 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4046 [inline]
 __schedule+0xbe6/0x1330 kernel/sched/core.c:4804
 schedule+0x13d/0x1d0 kernel/sched/core.c:4882
 schedule_timeout+0x18c/0x360 kernel/time/timer.c:1913
 rcu_gp_fqs_loop kernel/rcu/tree.c:1943 [inline]
 rcu_gp_kthread+0xefc/0x23a0 kernel/rcu/tree.c:2117
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
NMI backtrace for cpu 1
CPU: 1 PID: 817 Comm: syz.2.64 Tainted: G             L    5.10.226-syzkaller-00709-ge5e5644ea27f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
 dump_stack+0x15/0x17 lib/dump_stack.c:135
 nmi_cpu_backtrace lib/nmi_backtrace.c:105 [inline]
 nmi_trigger_cpumask_backtrace+0x2b5/0x300 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x10/0x20 arch/x86/kernel/apic/hw_nmi.c:39
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x199/0x2b0 kernel/rcu/tree_stall.h:337
 print_cpu_stall kernel/rcu/tree_stall.h:576 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:659 [inline]
 rcu_pending kernel/rcu/tree.c:3783 [inline]
 rcu_sched_clock_irq+0xf8a/0x1890 kernel/rcu/tree.c:2590
 update_process_times+0x198/0x200 kernel/time/timer.c:1748
 tick_sched_handle kernel/time/tick-sched.c:225 [inline]
 tick_sched_timer+0x188/0x240 kernel/time/tick-sched.c:1389
 __run_hrtimer kernel/time/hrtimer.c:1585 [inline]
 __hrtimer_run_queues+0x3d7/0xa50 kernel/time/hrtimer.c:1649
 hrtimer_interrupt+0x39a/0x8b0 kernel/time/hrtimer.c:1711
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1100
 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline]
 sysvec_apic_timer_interrupt+0xba/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:queued_write_lock_slowpath+0x185/0x390 kernel/locking/qrwlock.c:79
Code: b6 04 33 84 c0 4c 8b 64 24 08 74 37 44 89 f9 80 e1 07 80 c1 03 38 c1 7c 2a 4c 89 ff e8 c4 48 57 00 eb 20 f3 90 42 0f b6 04 33 <84> c0 74 15 44 89 f9 80 e1 07 80 c1 03 38 c1 7c 08 4c 89 ff e8 a2
RSP: 0000:ffffc90000170480 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 1ffffffff0da83fd RCX: ffffffff8150fdbb
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff86d41fe8
RBP: ffffc90000170530 R08: dffffc0000000000 R09: fffffbfff0da83fe
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200002e09a
R13: 00000000000000ff R14: dffffc0000000000 R15: ffffffff86d41fe8
 queued_write_lock include/asm-generic/qrwlock.h:95 [inline]
 __raw_write_lock_bh include/linux/rwlock_api_smp.h:204 [inline]
 _raw_write_lock_bh+0x10a/0x170 kernel/locking/spinlock.c:319
 ___neigh_create+0xccc/0x1a10 net/core/neighbour.c:626
 __neigh_create+0x32/0x40 net/core/neighbour.c:680
 ip6_finish_output2+0x957/0x1850 net/ipv6/ip6_output.c:142
 __ip6_finish_output+0x5ec/0x780 net/ipv6/ip6_output.c:216
 ip6_finish_output+0x34/0x1e0 net/ipv6/ip6_output.c:226
 NF_HOOK_COND include/linux/netfilter.h:288 [inline]
 ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:249
 dst_output include/net/dst.h:437 [inline]
 NF_HOOK include/linux/netfilter.h:299 [inline]
 ndisc_send_skb+0x6e9/0xc00 net/ipv6/ndisc.c:511
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:exit_to_user_mode_loop+0x41/0xd0 kernel/entry/common.c:159
Code: 89 fe eb 22 e8 50 4a 52 00 e8 bb ac f0 00 fa 65 48 8b 05 a2 03 a9 7e 48 8b 18 f7 c3 0e 30 08 00 0f 84 87 00 00 00 fb f6 c3 08 <74> 05 e8 08 00 58 03 f7 c3 00 10 00 00 74 08 4c 89 f7 e8 f8 70 34
RSP: 0000:ffffc9000262fee0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: ffff88810b3e93c0
RDX: 1ffff1102167d27c RSI: 0000000000000008 RDI: ffffc9000262ff58
RBP: ffffc9000262fef0 R08: ffffffff87084048 R09: ffffffff87084058
R10: ffffffff87084050 R11: ffffffff87084043 R12: ffffffff84c00c7a
R13: 0000000000000000 R14: ffffc9000262ff58 R15: 0000000000000000
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 irqentry_exit_to_user_mode+0x4e/0x80 kernel/entry/common.c:287
 irqentry_exit+0x12/0x60 kernel/entry/common.c:375
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0033:0x7f7aca5d4dc9
Code: 25 c0 fe ff ff eb 23 66 2e 0f 1f 84 00 00 00 00 00 45 31 c0 31 c9 ba 80 00 00 00 48 89 de bf ca 00 00 00 31 c0 e8 17 02 13 00 <8b> 03 85 c0 74 e1 c7 45 08 00 00 00 00 45 84 ed 74 2d 80 3d fa 78
RSP: 002b:00007f7ac937e0f0 EFLAGS: 00000217
RAX: 0000000000000000 RBX: 00007f7aca8bcf88 RCX: 00007f7aca704ff9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7aca8bcf88
RBP: 00007f7aca8bcf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7aca8bcf8c
R13: 0000000000000000 R14: 00007ffc40ffd920 R15: 00007ffc40ffda08