rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P22384
rcu: 	(detected by 1, t=10502 jiffies, g=122561, q=13952 ncpus=2)
task:syz.8.3238      state:R  running task     stack:21816 pid:22384 tgid:22383 ppid:20662  task_flags:0x400040 flags:0x00080002
Call Trace:
 <IRQ>
 sched_show_task+0x49d/0x630 kernel/sched/core.c:7819
 rcu_print_detail_task_stall_rnp kernel/rcu/tree_stall.h:292 [inline]
 print_other_cpu_stall+0xf78/0x1340 kernel/rcu/tree_stall.h:681
 check_cpu_stall kernel/rcu/tree_stall.h:856 [inline]
 rcu_pending kernel/rcu/tree.c:3667 [inline]
 rcu_sched_clock_irq+0x9a9/0x1140 kernel/rcu/tree.c:2704
 update_process_times+0x235/0x2d0 kernel/time/timer.c:2474
 tick_sched_handle kernel/time/tick-sched.c:298 [inline]
 tick_nohz_handler+0x3e9/0x710 kernel/time/tick-sched.c:319
 __run_hrtimer kernel/time/hrtimer.c:1777 [inline]
 __hrtimer_run_queues+0x4f6/0xd00 kernel/time/hrtimer.c:1841
 hrtimer_interrupt+0x45d/0xa90 kernel/time/hrtimer.c:1903
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1045 [inline]
 __sysvec_apic_timer_interrupt+0x102/0x3e0 arch/x86/kernel/apic/apic.c:1062
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1056
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:check_preemption_disabled+0x1c/0xe0 lib/smp_processor_id.c:53
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41 56 53 65 8b 05 77 64 e1 06 65 8b 0d 6c 64 e1 06 f7 c1 ff ff ff 7f 74 0c <5b> 41 5e 41 5f 5d e9 c9 a3 03 00 cc 9c 59 f7 c1 00 02 00 00 74 ea
RSP: 0018:ffffc90003ec5fd8 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc90003ec6718 RCX: 0000000080000001
RDX: 00000000e57ef557 RSI: ffffffff8b3f57c0 RDI: ffffffff8b3f5780
RBP: 0000000000000002 R08: ffffffff8ad3e001 R09: ffffffff8d5ae940
R10: 0000000000000000 R11: fffffbfff1db668f R12: 1ffff11003bfc458
R13: ffffffff8ad3eb60 R14: ffffffff8d5ae940 R15: dffffc0000000000
 rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline]
 rcu_is_watching+0x15/0xb0 kernel/rcu/tree.c:751
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0x4b/0x3b0 kernel/locking/lockdep.c:5879
 rcu_lock_release include/linux/rcupdate.h:341 [inline]
 rcu_read_unlock include/linux/rcupdate.h:897 [inline]
 rt_spin_unlock+0x15c/0x200 kernel/locking/spinlock_rt.c:82
 spin_unlock_bh include/linux/spinlock_rt.h:110 [inline]
 tipc_skb_peek_port net/tipc/msg.h:1235 [inline]
 tipc_sk_rcv+0x410/0x2d10 net/tipc/socket.c:2489
 tipc_node_xmit+0x1e4/0xe40 net/tipc/node.c:1701
 tipc_node_xmit_skb+0xfa/0x150 net/tipc/node.c:1766
 tipc_sk_rcv+0x2b43/0x2d10 net/tipc/socket.c:2520
 tipc_node_xmit+0x1e4/0xe40 net/tipc/node.c:1701
 tipc_sk_push_backlog net/tipc/socket.c:1312 [inline]
 tipc_sk_filter_connect net/tipc/socket.c:2253 [inline]
 tipc_sk_filter_rcv+0x1ca8/0x31c0 net/tipc/socket.c:2362
 tipc_sk_enqueue net/tipc/socket.c:2443 [inline]
 tipc_sk_rcv+0x8dd/0x2d10 net/tipc/socket.c:2495
 tipc_node_xmit+0x1e4/0xe40 net/tipc/node.c:1701
 tipc_node_xmit_skb net/tipc/node.c:1766 [inline]
 tipc_node_distr_xmit+0x2a7/0x3b0 net/tipc/node.c:1781
 tipc_sk_backlog_rcv+0x1a7/0x230 net/tipc/socket.c:2410
 sk_backlog_rcv include/net/sock.h:1177 [inline]
 __release_sock+0x2a9/0x3e0 net/core/sock.c:3213
 release_sock+0x75/0x210 net/core/sock.c:3795
 tipc_release+0x16e2/0x2110 net/tipc/socket.c:650
 __sock_release net/socket.c:662 [inline]
 sock_close+0xc3/0x240 net/socket.c:1455
 __fput+0x45b/0xa80 fs/file_table.c:468
 task_work_run+0x1d4/0x260 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:44 [inline]
 exit_to_user_mode_loop+0xef/0x4e0 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2b7/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f85c652f749
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:00007f85c4796038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 00000000000203a0 RBX: 00007f85c6785fa0 RCX: 00007f85c652f749
RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003
RBP: 00007f85c65b3f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f85c6786038 R14: 00007f85c6785fa0 R15: 00007ffeb5ff52f8
 </TASK>