bridge0: port 1(bridge_slave_0) entered disabled state
device veth1_macvtap left promiscuous mode
device veth0_macvtap left promiscuous mode
device veth1_vlan left promiscuous mode
device veth0_vlan left promiscuous mode
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: (detected by 1, t=10502 jiffies, g=35369, q=329)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294987393-4294976891), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.4 R running task 26976 13065 12886 0x00000800
Call Trace:
sched_show_task kernel/sched/core.c:5338 [inline]
sched_show_task.cold+0x2e2/0x343 kernel/sched/core.c:5313
print_other_cpu_stall kernel/rcu/tree.c:1430 [inline]
check_cpu_stall kernel/rcu/tree.c:1557 [inline]
__rcu_pending kernel/rcu/tree.c:3293 [inline]
rcu_pending kernel/rcu/tree.c:3336 [inline]
rcu_check_callbacks.cold+0xaf0/0xddc kernel/rcu/tree.c:2682
update_process_times+0x2a/0x70 kernel/time/timer.c:1638
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168
tick_sched_timer+0x42/0x130 kernel/time/tick-sched.c:1278
__run_hrtimer kernel/time/hrtimer.c:1401 [inline]
__hrtimer_run_queues+0x2fc/0xd50 kernel/time/hrtimer.c:1463
hrtimer_interrupt+0x312/0x770 kernel/time/hrtimer.c:1521
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline]
smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1092
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
RIP: 0010:fast_page_fault arch/x86/kvm/mmu.c:3495 [inline]
RIP: 0010:fast_page_fault+0x4a6/0xeb0 arch/x86/kvm/mmu.c:3393
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 0d 09 00 00 48 83 3d e4 50 a3 07 00 0f 84 ea 07 00 00 e8 e1 9c 58 00 fb 66 0f 1f 44 00 00 3b fe ff ff e8 d0 9c 58 00 c7 84 24 88 00 00 00 00 00 00 00 e8
RSP: 0018:ffff888088847608 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000040000 RBX: ffff88804b9d0100 RCX: ffffc9000dadc000
RDX: 0000000000040000 RSI: ffffffff810f05bf RDI: ffff8880811bcf3c
RBP: 0000000000000000 R08: ffff8880811bc6c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880889619f0
tdp_page_fault+0x1f0/0x670 arch/x86/kvm/mmu.c:4177
kvm_mmu_page_fault+0x190/0x1540 arch/x86/kvm/mmu.c:5342
vmx_handle_exit+0x26f/0x16b0 arch/x86/kvm/vmx.c:10199
vcpu_enter_guest+0x10ca/0x5ed0 arch/x86/kvm/x86.c:7850
vcpu_run arch/x86/kvm/x86.c:7913 [inline]
kvm_arch_vcpu_ioctl_run+0x446/0x16a0 arch/x86/kvm/x86.c:8113
kvm_vcpu_ioctl+0x493/0xe20 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2667
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0xcda/0x12e0 fs/ioctl.c:688
ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
__do_sys_ioctl fs/ioctl.c:712 [inline]
__se_sys_ioctl fs/ioctl.c:710 [inline]
__x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c849
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f67ace25c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f67ace266d4 RCX: 000000000045c849
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006
RBP: 000000000076bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003be R14: 00000000004c647e R15: 000000000076bfac
rcu: rcu_preempt kthread starved for 10502 jiffies! g35369 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt R running task 29136 10 2 0x80000000
Call Trace:
schedule+0x8d/0x1b0 kernel/sched/core.c:3559
schedule_timeout+0x4d1/0xf20 kernel/time/timer.c:1806
rcu_gp_kthread+0xcee/0x2060 kernel/rcu/tree.c:2202
kthread+0x34a/0x420 kernel/kthread.c:246
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415