rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P1197
	(detected by 0, t=10502 jiffies, g=309157, q=1470)
task:syz-executor.2  state:R  running task     stack:27296 pid: 1197 ppid:  8999 flags:0x00004006
Call Trace:
 <IRQ>
 sched_show_task kernel/sched/core.c:8192 [inline]
 sched_show_task+0x433/0x5b0 kernel/sched/core.c:8166
 rcu_print_detail_task_stall_rnp kernel/rcu/tree_stall.h:227 [inline]
 print_other_cpu_stall kernel/rcu/tree_stall.h:567 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:729 [inline]
 rcu_pending kernel/rcu/tree.c:3878 [inline]
 rcu_sched_clock_irq+0x1fa5/0x2200 kernel/rcu/tree.c:2597
 update_process_times+0x16d/0x200 kernel/time/timer.c:1785
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1421
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__sanitizer_cov_trace_pc+0x37/0x60 kernel/kcov.c:197
Code: 81 e1 00 01 00 00 65 48 8b 14 25 00 f0 01 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 3c 15 00 00 85 c0 74 2b 8b 82 18 15 00 00 <83> f8 02 75 20 48 8b 8a 20 15 00 00 8b 92 1c 15 00 00 48 8b 01 48
RSP: 0018:ffffc90003107a18 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffffc90003107ad0 RCX: 0000000000000000
RDX: ffff888089493900 RSI: ffffffff885b922f RDI: ffff888035a79f20
RBP: ffff888035a79f20 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff88554c91 R11: 0000000000000000 R12: ffffc90003107ad0
R13: ffff888084d12098 R14: ffffffff8d3c8580 R15: 0000000000000001
 sctp_v6_cmp_addr+0xf/0xd0 net/sctp/ipv6.c:662
 sctp_bind_addr_state+0x103/0x1d0 net/sctp/bind_addr.c:407
 sctp_copy_local_addr_list+0x1fe/0x4f0 net/sctp/protocol.c:163
 sctp_copy_one_addr net/sctp/bind_addr.c:460 [inline]
 sctp_bind_addr_copy+0xde/0x460 net/sctp/bind_addr.c:56
 sctp_connect_new_asoc+0x1cd/0x770 net/sctp/socket.c:1092
 __sctp_connect+0x3d0/0xc30 net/sctp/socket.c:1194
 sctp_connect net/sctp/socket.c:4808 [inline]
 sctp_inet_connect+0x15e/0x200 net/sctp/socket.c:4823
 __sys_connect_file+0x155/0x1a0 net/socket.c:1890
 __sys_connect+0x161/0x190 net/socket.c:1907
 __do_sys_connect net/socket.c:1917 [inline]
 __se_sys_connect net/socket.c:1914 [inline]
 __x64_sys_connect+0x6f/0xb0 net/socket.c:1914
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665e9
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007eff5f172188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9
RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000005
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007fff03c86a2f R14: 00007eff5f172300 R15: 0000000000022000