hrtimer: interrupt took 3826240 ns
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-...!: (16 ticks this GP) idle=80d/0/0x3 softirq=6815/6815 fqs=0
(t=13641 jiffies g=6205 q=229 ncpus=2)
rcu: rcu_preempt kthread starved for 13641 jiffies! g6205 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:28800 pid: 17 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5076 [inline]
__schedule+0x913/0x26c0 kernel/sched/core.c:6391
schedule+0xd2/0x1f0 kernel/sched/core.c:6463
schedule_timeout+0x11d/0x250 kernel/time/timer.c:1935
rcu_gp_fqs_loop+0x186/0x810 kernel/rcu/tree.c:1999
rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2187
kthread+0x299/0x340 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.18.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x30/0xc0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x140/0x170 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_check_gp_kthread_starvation.cold+0x1fb/0x200 kernel/rcu/tree_stall.h:518
print_cpu_stall kernel/rcu/tree_stall.h:663 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:753 [inline]
rcu_pending kernel/rcu/tree.c:3977 [inline]
rcu_sched_clock_irq.cold+0xfa/0x901 kernel/rcu/tree.c:2675
update_process_times+0xe4/0x160 kernel/time/timer.c:1839
tick_sched_handle+0x6f/0x130 kernel/time/tick-sched.c:243
tick_sched_timer+0xaa/0xd0 kernel/time/tick-sched.c:1481
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x18a/0xb00 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x2f5/0x780 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:kvm_wait+0x98/0x100 arch/x86/kernel/kvm.c:1019
Code: fa 83 e2 07 38 d0 7f 04 84 c0 75 63 0f b6 07 40 38 c6 74 35 48 83 c4 10 c3 c3 e8 f3 9c 43 00 eb 07 0f 00 2d 4a a5 ba 07 fb f4 <48> 83 c4 10 c3 89 74 24 0c 48 89 3c 24 e8 c6 9b 43 00 8b 74 24 0c
RSP: 0018:ffffc90000007da0 EFLAGS: 00000216
RAX: 000000000002fdc0 RBX: 0000000000000000 RCX: 1ffffffff1e342f6
RDX: 0000000000000000 RSI: ffffffff88eba720 RDI: ffffffff894366a0
RBP: ffff88807f5130f0 R08: 0000000000000001 R09: ffffffff8f15987f
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: ffffed100fea261e R14: 0000000000000001 R15: ffff8880b9e3ad40
pv_wait arch/x86/include/asm/paravirt.h:603 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x8c7/0xb50 kernel/locking/qspinlock.c:511
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock+0x200/0x2a0 kernel/locking/spinlock_debug.c:115
spin_lock include/linux/spinlock.h:349 [inline]
net_tx_action+0x304/0x9b0 net/core/dev.c:5063
__do_softirq+0x29b/0x9c2 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline]
RIP: 0010:acpi_idle_do_entry+0x15e/0x1c0 drivers/acpi/processor_idle.c:554
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 6a 48 8b 45 00 a8 08 75 c9 e8 1d 68 da f8 eb 07 0f 00 2d 34 69 b7 00 fb f4 <9c> 58 fa f6 c4 02 74 b1 5d e9 f4 66 da f8 48 89 ef 5d e9 bb f9 ff
RSP: 0018:ffffffff8ac07d60 EFLAGS: 00000202
RAX: 000000000002fd7f RBX: ffff888140a09065 RCX: 1ffffffff1992551
RDX: 0000000000000000 RSI: ffffffff88eba720 RDI: ffffffff894366a0
RBP: ffffffff8acbb4c0 R08: 0000000000000001 R09: 0000000000000001
R10: fffffbfff1597698 R11: 0000000000000001 R12: 0000000000000001
R13: ffff888140a09064 R14: ffffffff8b953fa0 R15: ffff888017777804
acpi_idle_enter+0x2c3/0x4c0 drivers/acpi/processor_idle.c:691
cpuidle_enter_state+0x152/0xb40 drivers/cpuidle/cpuidle.c:237
cpuidle_enter+0x45/0xa0 drivers/cpuidle/cpuidle.c:351
call_cpuidle kernel/sched/idle.c:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:236 [inline]
do_idle+0x3e8/0x590 kernel/sched/idle.c:303
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400
rest_init+0x144/0x200 init/main.c:726
arch_call_rest_init+0xa/0xb init/main.c:882
start_kernel+0x332/0x350 init/main.c:1137
secondary_startup_64_no_verify+0xce/0xdb
NMI backtrace for cpu 0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.18.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x30/0xc0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x140/0x170 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_dump_cpu_stacks+0x262/0x3f0 kernel/rcu/tree_stall.h:371
print_cpu_stall kernel/rcu/tree_stall.h:668 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:753 [inline]
rcu_pending kernel/rcu/tree.c:3977 [inline]
rcu_sched_clock_irq.cold+0x144/0x901 kernel/rcu/tree.c:2675
update_process_times+0xe4/0x160 kernel/time/timer.c:1839
tick_sched_handle+0x6f/0x130 kernel/time/tick-sched.c:243
tick_sched_timer+0xaa/0xd0 kernel/time/tick-sched.c:1481
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x18a/0xb00 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x2f5/0x780 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:kvm_wait+0x98/0x100 arch/x86/kernel/kvm.c:1019
Code: fa 83 e2 07 38 d0 7f 04 84 c0 75 63 0f b6 07 40 38 c6 74 35 48 83 c4 10 c3 c3 e8 f3 9c 43 00 eb 07 0f 00 2d 4a a5 ba 07 fb f4 <48> 83 c4 10 c3 89 74 24 0c 48 89 3c 24 e8 c6 9b 43 00 8b 74 24 0c
RSP: 0018:ffffc90000007da0 EFLAGS: 00000216
RAX: 000000000002fdc0 RBX: 0000000000000000 RCX: 1ffffffff1e342f6
RDX: 0000000000000000 RSI: ffffffff88eba720 RDI: ffffffff894366a0
RBP: ffff88807f5130f0 R08: 0000000000000001 R09: ffffffff8f15987f
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: ffffed100fea261e R14: 0000000000000001 R15: ffff8880b9e3ad40
pv_wait arch/x86/include/asm/paravirt.h:603 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x8c7/0xb50 kernel/locking/qspinlock.c:511
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock+0x200/0x2a0 kernel/locking/spinlock_debug.c:115
spin_lock include/linux/spinlock.h:349 [inline]
net_tx_action+0x304/0x9b0 net/core/dev.c:5063
__do_softirq+0x29b/0x9c2 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline]
RIP: 0010:acpi_idle_do_entry+0x15e/0x1c0 drivers/acpi/processor_idle.c:554
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 6a 48 8b 45 00 a8 08 75 c9 e8 1d 68 da f8 eb 07 0f 00 2d 34 69 b7 00 fb f4 <9c> 58 fa f6 c4 02 74 b1 5d e9 f4 66 da f8 48 89 ef 5d e9 bb f9 ff
RSP: 0018:ffffffff8ac07d60 EFLAGS: 00000202
RAX: 000000000002fd7f RBX: ffff888140a09065 RCX: 1ffffffff1992551
RDX: 0000000000000000 RSI: ffffffff88eba720 RDI: ffffffff894366a0
RBP: ffffffff8acbb4c0 R08: 0000000000000001 R09: 0000000000000001
R10: fffffbfff1597698 R11: 0000000000000001 R12: 0000000000000001
R13: ffff888140a09064 R14: ffffffff8b953fa0 R15: ffff888017777804
acpi_idle_enter+0x2c3/0x4c0 drivers/acpi/processor_idle.c:691
cpuidle_enter_state+0x152/0xb40 drivers/cpuidle/cpuidle.c:237
cpuidle_enter+0x45/0xa0 drivers/cpuidle/cpuidle.c:351
call_cpuidle kernel/sched/idle.c:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:236 [inline]
do_idle+0x3e8/0x590 kernel/sched/idle.c:303
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400
rest_init+0x144/0x200 init/main.c:726
arch_call_rest_init+0xa/0xb init/main.c:882
start_kernel+0x332/0x350 init/main.c:1137
secondary_startup_64_no_verify+0xce/0xdb
----------------
Code disassembly (best guess):
0: fa cli
1: 83 e2 07 and $0x7,%edx
4: 38 d0 cmp %dl,%al
6: 7f 04 jg 0xc
8: 84 c0 test %al,%al
a: 75 63 jne 0x6f
c: 0f b6 07 movzbl (%rdi),%eax
f: 40 38 c6 cmp %al,%sil
12: 74 35 je 0x49
14: 48 83 c4 10 add $0x10,%rsp
18: c3 retq
19: c3 retq
1a: e8 f3 9c 43 00 callq 0x439d12
1f: eb 07 jmp 0x28
21: 0f 00 2d 4a a5 ba 07 verw 0x7baa54a(%rip) # 0x7baa572
28: fb sti
29: f4 hlt
* 2a: 48 83 c4 10 add $0x10,%rsp <-- trapping instruction
2e: c3 retq
2f: 89 74 24 0c mov %esi,0xc(%rsp)
33: 48 89 3c 24 mov %rdi,(%rsp)
37: e8 c6 9b 43 00 callq 0x439c02
3c: 8b 74 24 0c mov 0xc(%rsp),%esi