rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=f67/1/0x4000000000000000 softirq=37301/37302 fqs=256 
	(t=10501 jiffies g=48717 q=1189)
NMI backtrace for cpu 1
CPU: 1 PID: 6936 Comm: syz.2.791 Not tainted 5.15.165-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349
 print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633
 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1818
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:arch_stack_walk+0xeb/0x140 arch/x86/kernel/stacktrace.c:26
Code: 18 00 00 eb 03 48 89 e9 48 8d bd 70 ff ff ff 4c 89 e6 4c 89 fa e8 d5 ce 08 00 83 bd 70 ff ff ff 00 74 32 48 8d 9d 70 ff ff ff <48> 89 df e8 ed ac 08 00 48 85 c0 74 1e 4c 89 f7 48 89 c6 41 ff d5
RSP: 0018:ffffc90000dd0380 EFLAGS: 00000202
RAX: 0000000000000101 RBX: ffffc90000dd0380 RCX: 0000000000000101
RDX: dffffc0000000000 RSI: ffffc90000dd08b0 RDI: 0000000000000001
RBP: ffffc90000dd0410 R08: ffffc90000dd08b0 R09: ffffc90000dd03d0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807d1a8000
R13: ffffffff816df940 R14: ffffc90000dd0460 R15: 0000000000000000
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 __kasan_slab_alloc+0x8e/0xc0 mm/kasan/common.c:467
 kasan_slab_alloc include/linux/kasan.h:254 [inline]
 slab_post_alloc_hook+0x53/0x380 mm/slab.h:519
 slab_alloc_node mm/slub.c:3220 [inline]
 slab_alloc mm/slub.c:3228 [inline]
 kmem_cache_alloc+0xf3/0x280 mm/slub.c:3233
 dst_alloc+0x12c/0x190 net/core/dst.c:88
 ip6_dst_alloc net/ipv6/route.c:342 [inline]
 icmp6_dst_alloc+0x76/0x4f0 net/ipv6/route.c:3275
 ndisc_send_skb+0x305/0x13c0 net/ipv6/ndisc.c:491
 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3959
 call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1767
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_schedule_irq+0xf2/0x1c0 kernel/sched/core.c:6777
Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 97 00 00 00 bf 01 00 00 00 e8 79 be 1b f7 e8 44 35 4b f7 fb bf 01 00 00 00 <e8> a9 b3 ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 e9 7d 8e f7 48
RSP: 0018:ffffc90003217a00 EFLAGS: 00000286
RAX: fd375174b292fb00 RBX: 1ffff92000642f48 RCX: ffffffff91468f03
RDX: dffffc0000000000 RSI: ffffffff8a8b2a20 RDI: 0000000000000001
RBP: ffffc90003217ac0 R08: ffffffff8186e260 R09: ffffffff8f674048
R10: ffffffff8f674058 R11: ffffffff8f674050 R12: 1ffff92000642f40
R13: 1ffff92000642f44 R14: ffffc90003217a20 R15: dffffc0000000000
 irqentry_exit+0x53/0x80 kernel/entry/common.c:432
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:kmalloc include/linux/slab.h:592 [inline]
RIP: 0010:kzalloc include/linux/slab.h:721 [inline]
RIP: 0010:apparmor_sk_alloc_security+0x64/0x100 security/apparmor/lsm.c:785
Code: fc ff df 81 cd 00 01 00 00 48 6b c0 70 48 8d 98 60 41 3b 8c 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 4c e7 fd fd <48> 8b 3b ba 10 00 00 00 89 ee e8 5d 06 fd fd 48 85 c0 74 2c 48 89
RSP: 0018:ffffc90003217b88 EFLAGS: 00000246
RAX: 1ffffffff187682c RBX: ffffffff8c3b4160 RCX: 0000000000040000
RDX: ffffc9000ea09000 RSI: 000000000000113c RDI: 000000000000113d
RBP: 0000000000000dc0 R08: ffffffff83cc42df R09: ffff88805810f770
R10: 0000000000000001 R11: dffffc0000000001 R12: ffff88805810f700
R13: dffffc0000000000 R14: ffff88805810f700 R15: dffffc0000000000
 security_sk_alloc+0x6d/0xa0 security/security.c:2308
 sk_prot_alloc+0xfa/0x200 net/core/sock.c:1866
 sk_alloc+0x35/0x310 net/core/sock.c:1916
 tipc_sk_create+0x107/0x1c50 net/tipc/socket.c:488
 __sock_create+0x460/0x8d0 net/socket.c:1486
 sock_create net/socket.c:1537 [inline]
 __sys_socketpair+0x335/0x700 net/socket.c:1641
 __do_sys_socketpair net/socket.c:1690 [inline]
 __se_sys_socketpair net/socket.c:1687 [inline]
 __x64_sys_socketpair+0x97/0xb0 net/socket.c:1687
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9877f4ae79
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:00007f98763c7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007f98780e6f80 RCX: 00007f9877f4ae79
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 000000000000001e
RBP: 00007f9877fb893e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f98780e6f80 R15: 00007ffc9b3078a8
 </TASK>