rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P19743
	(detected by 0, t=10503 jiffies, g=102877, q=580 ncpus=2)
task:syz-executor.0  state:R  running task     stack:24952 pid:19743 ppid:1      flags:0x00004006
Call Trace:
 <IRQ>
 sched_show_task kernel/sched/core.c:8897 [inline]
 sched_show_task+0x450/0x5c0 kernel/sched/core.c:8871
 rcu_print_detail_task_stall_rnp kernel/rcu/tree_stall.h:255 [inline]
 print_other_cpu_stall kernel/rcu/tree_stall.h:599 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:761 [inline]
 rcu_pending kernel/rcu/tree.c:3825 [inline]
 rcu_sched_clock_irq+0x21d1/0x2470 kernel/rcu/tree.c:2347
 update_process_times+0x11e/0x1a0 kernel/time/timer.c:1839
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:243
 tick_sched_timer+0xf2/0x120 kernel/time/tick-sched.c:1480
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x1c6/0xfb0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x320/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
 __sysvec_apic_timer_interrupt+0x180/0x640 arch/x86/kernel/apic/apic.c:1113
 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0xb/0x70 kernel/kcov.c:207
Code: 0f 1e fa 48 8b be a8 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 65 8b 05 55 66 82 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 c0 7f 02 00 a9
RSP: 0018:ffffc90003c3f3e8 EFLAGS: 00000246
RAX: 0000000080000000 RBX: ffffc90003c3f488 RCX: 0000000000000000
RDX: 0000000000000002 RSI: ffffffff89a418c4 RDI: 0000000000000004
RBP: dffffc0000000000 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffffffffffff R15: 0000000000000000
 xas_find_marked+0x298/0x10b0 lib/xarray.c:1368
 xa_find+0x13d/0x330 lib/xarray.c:2022
 devlinks_xa_find_get.constprop.0+0x93/0x260 net/core/devlink.c:300
 devlinks_xa_find_get_first net/core/devlink.c:328 [inline]
 devlink_nl_cmd_port_get_dumpit+0x115/0x4c0 net/core/devlink.c:1553
 netlink_dump+0x541/0xc20 net/netlink/af_netlink.c:2275
 __netlink_dump_start+0x64b/0x910 net/netlink/af_netlink.c:2380
 genl_family_rcv_msg_dumpit+0x1c9/0x310 net/netlink/genetlink.c:714
 genl_family_rcv_msg net/netlink/genetlink.c:830 [inline]
 genl_rcv_msg+0x561/0x780 net/netlink/genetlink.c:850
 netlink_rcv_skb+0x157/0x430 net/netlink/af_netlink.c:2540
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:861
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1921
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg+0xd3/0x120 net/socket.c:734
 __sys_sendto+0x23a/0x340 net/socket.c:2117
 __do_sys_sendto net/socket.c:2129 [inline]
 __se_sys_sendto net/socket.c:2125 [inline]
 __x64_sys_sendto+0xe1/0x1b0 net/socket.c:2125
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f05a663e10c
Code: fa fa ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 20 fb ff ff 48 8b
RSP: 002b:00007ffcb6aa0250 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f05a72d4620 RCX: 00007f05a663e10c
RDX: 0000000000000034 RSI: 00007f05a72d4670 RDI: 0000000000000005
RBP: 0000000000000000 R08: 00007ffcb6aa02a4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffcb6aa0318
R13: 00007f05a72d4670 R14: 0000000000000005 R15: 0000000000000000
 </TASK>