rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P15574
	(detected by 0, t=10503 jiffies, g=327473, q=1417)
syz-executor.1  R  running task    28448 15574   7194 0x00004006
Call Trace:
 <IRQ>
 sched_show_task kernel/sched/core.c:5961 [inline]
 sched_show_task.cold+0x2e2/0x343 kernel/sched/core.c:5936
 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:1727
 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:__sanitizer_cov_trace_const_cmp1+0x0/0x20 kernel/kcov.c:260
Code: 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 48 89 f2 48 89 fe bf 06 00 00 00 e9 2c ff ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 <48> 8b 0c 24 40 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 e9 0a ff ff ff
RSP: 0018:ffffc900078d7a50 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff8880324eb680 RCX: ffffc90004909000
RDX: 0000000000000005 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff888025d643c0 R09: ffffed1006437b28
R10: ffff8880321bd93b R11: ffffed1006437b27 R12: ffffc900078d7af0
R13: ffff88803f5fe098 R14: ffffffff8a73a820 R15: 0000000000000001
 sctp_bind_addr_state+0xe1/0x1d0 net/sctp/bind_addr.c:402
 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_connect net/sctp/socket.c:4908 [inline]
 sctp_inet_connect+0x14b/0x1b0 net/sctp/socket.c:4923
 __sys_connect_file+0x155/0x1a0 net/socket.c:1859
 __sys_connect+0x160/0x190 net/socket.c:1876
 __do_sys_connect net/socket.c:1887 [inline]
 __se_sys_connect net/socket.c:1884 [inline]
 __x64_sys_connect+0x6f/0xb0 net/socket.c:1884
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45c869
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:00007f7564309c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00007f756430a6d4 RCX: 000000000045c869
RDX: 000000000000001c RSI: 0000000020000000 RDI: 0000000000000004
RBP: 000000000076bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000084 R14: 00000000004c324f R15: 000000000076bfac