rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P13015
	(detected by 0, t=10503 jiffies, g=448541, q=1118)
syz-executor.4  R  running task    27080 13015   7475 0x0000400e
Call Trace:
 <IRQ>
 sched_show_task kernel/sched/core.c:5955 [inline]
 sched_show_task.cold+0x2e2/0x343 kernel/sched/core.c:5930
 rcu_print_detail_task_stall_rnp kernel/rcu/tree_stall.h:190 [inline]
 print_other_cpu_stall kernel/rcu/tree_stall.h:418 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:558 [inline]
 rcu_pending kernel/rcu/tree.c:3225 [inline]
 rcu_sched_clock_irq.cold+0xca8/0xcfa kernel/rcu/tree.c:2296
 update_process_times+0x25/0x60 kernel/time/timer.c:1726
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:176
 tick_sched_timer+0x4e/0x140 kernel/time/tick-sched.c:1320
 __run_hrtimer kernel/time/hrtimer.c:1520 [inline]
 __hrtimer_run_queues+0x5ca/0xed0 kernel/time/hrtimer.c:1584
 hrtimer_interrupt+0x312/0x770 kernel/time/hrtimer.c:1646
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1113 [inline]
 smp_apic_timer_interrupt+0x15b/0x600 arch/x86/kernel/apic/apic.c:1138
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:sctp_bind_addr_state+0xc6/0x1d0 net/sctp/bind_addr.c:402
Code: 89 44 24 08 49 c1 ef 03 49 8d 04 2f 48 89 04 24 e8 6f 6e 2c fa 48 8d 7b 3d 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 0f b6 04 28 <38> d0 7f 08 84 c0 0f 85 ba 00 00 00 44 0f b6 7b 3d 31 ff 44 89 fe
RSP: 0018:ffffc900017178c8 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff888087eaff80 RCX: ffffc90011a05000
RDX: 0000000000000005 RSI: ffffffff8746be31 RDI: ffff888087eaffbd
RBP: dffffc0000000000 R08: ffff88805f8fe100 R09: ffffed100a686928
R10: ffff88805343493b R11: ffffed100a686927 R12: ffffc90001717960
R13: ffff88804aa34098 R14: ffffffff8a73e560 R15: 0000000000000000
 sctp_copy_local_addr_list+0x255/0x530 net/sctp/protocol.c:161
 sctp_copy_one_addr+0x5b/0x170 net/sctp/bind_addr.c:457
 sctp_bind_addr_copy+0xfc/0x2ca net/sctp/bind_addr.c:56
 sctp_connect_new_asoc+0x16c/0x580 net/sctp/socket.c:1088
 __sctp_connect+0x430/0xc70 net/sctp/socket.c:1190
 __sctp_setsockopt_connectx+0x12d/0x180 net/sctp/socket.c:1336
 sctp_setsockopt_connectx_old net/sctp/socket.c:1352 [inline]
 sctp_setsockopt net/sctp/socket.c:4706 [inline]
 sctp_setsockopt+0x1578/0x7090 net/sctp/socket.c:4670
 __sys_setsockopt+0x248/0x480 net/socket.c:2127
 __do_sys_setsockopt net/socket.c:2143 [inline]
 __se_sys_setsockopt net/socket.c:2140 [inline]
 __x64_sys_setsockopt+0xba/0x150 net/socket.c:2140
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45c829
Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fd875e61c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00000000005046a0 RCX: 000000000045c829
RDX: 000000000000006b RSI: 0000000000000084 RDI: 0000000000000003
RBP: 000000000078bf00 R08: 000000000000001c R09: 0000000000000000
R10: 000000002055bfe4 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000aeb R14: 00000000004d7378 R15: 00007fd875e626d4