rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P8211
rcu: 	(detected by 1, t=10502 jiffies, g=26485, q=3109 ncpus=2)
task:syz.4.593       state:R  running task     stack:27256 pid:8211  tgid:8210  ppid:7743   task_flags:0x400140 flags:0x0000400e
Call Trace:
 <IRQ>
 sched_show_task+0x49d/0x630
 print_other_cpu_stall+0xf7a/0x1340
 rcu_sched_clock_irq+0xa47/0x11b0
 update_process_times+0x23c/0x2f0
 tick_nohz_handler+0x39a/0x520
 __hrtimer_run_queues+0x4e0/0xc60
 hrtimer_interrupt+0x45b/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:is_module_text_address+0x0/0x1e0
Code: 48 89 de e8 52 b8 f2 ff e8 dd 63 fc ff 89 e8 5b 41 5e 5d e9 c2 1f d3 09 cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 55 41 57 41 56 41 55 41 54 53 49 89 fe e8 3a 63 fc ff
RSP: 0018:ffffc900001dfa90 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 00007f5ef1d8ec29 RCX: e479f4608a590f00
RDX: 0000000000000100 RSI: ffffffff8be343e0 RDI: 00007f5ef1d8ec29
RBP: 0000000000000001 R08: 0000000000000022 R09: ffffffff8172d195
R10: ffffc900001dfb38 R11: ffffffff81ac5140 R12: ffff88801f365640
R13: 0000000000000000 R14: 0000000000000001 R15: 1ffff9200003bf66
 kernel_text_address+0x94/0xe0
 __kernel_text_address+0xd/0x40
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfc/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5b/0x80
 kmem_cache_free+0x18f/0x400
 ip_tunnel_xmit+0xe76/0x2390
 __gre_xmit+0x19a/0x240
 erspan_xmit+0xa04/0x1220
 dev_hard_start_xmit+0x2d7/0x830
 sch_direct_xmit+0x241/0x4b0
 __dev_queue_xmit+0x1857/0x3b50
 ip6_finish_output2+0x11fe/0x16a0
 ndisc_send_skb+0xb54/0x1440
 addrconf_rs_timer+0x369/0x670
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:finish_task_switch+0x26b/0x950
Code: 0f 84 3c 01 00 00 48 85 db 0f 85 63 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 9f 70 ec 09 e8 ea 41 36 00 fb 4c 8b 65 c0 <49> 8d bc 24 18 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc900034e7578 EFLAGS: 00000286
RAX: e479f4608a590f00 RBX: 0000000000000000 RCX: e479f4608a590f00
RDX: 0000000000000000 RSI: ffffffff8d9baed8 RDI: ffffffff8be34400
RBP: ffffc900034e75d0 R08: ffffffff8fa3b537 R09: 1ffffffff1f476a6
R10: dffffc0000000000 R11: fffffbfff1f476a7 R12: ffff88801f365640
R13: dffffc0000000000 R14: ffff8881000f8000 R15: ffff88813663b758
 __schedule+0x17a0/0x4cc0
 preempt_schedule_common+0x83/0xd0
 preempt_schedule+0xae/0xc0
 preempt_schedule_thunk+0x16/0x30
 _raw_spin_unlock+0x3f/0x50
 __d_lookup+0x624/0x780
 lookup_fast+0x84/0x5b0
 link_path_walk+0x642/0xea0
 __filename_parentat+0x246/0x670
 filename_create+0xd2/0x3c0
 do_mkdirat+0xa0/0x590
 __x64_sys_mkdir+0x6c/0x80
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5ef1d8ec29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5ef2c33038 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f5ef1fd5fa0 RCX: 00007f5ef1d8ec29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000000
RBP: 00007f5ef1e11e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5ef1fd6038 R14: 00007f5ef1fd5fa0 R15: 00007fffa6ef9258
 </TASK>
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 103317977342 wd_nsec: 103317983218
