rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=8b9/1/0x4000000000000002 softirq=27064/27065 fqs=1524 
	(detected by 1, t=10505 jiffies, g=39509, q=143)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 12137 Comm: syz.6.2576 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4782 [inline]
RIP: 0010:__lock_acquire+0xac3/0x7d40 kernel/locking/lockdep.c:5070
Code: e8 03 42 0f b6 04 00 84 c0 0f 85 e3 00 00 00 41 0f b6 06 84 c0 74 0e 41 0f b6 cd 44 0f b6 e8 38 c1 44 0f 42 e9 48 8b 44 24 68 <42> 0f b6 04 00 84 c0 0f 85 e0 00 00 00 48 ff c3 48 8b 44 24 28 48
RSP: 0018:ffffc90000006f40 EFLAGS: 00000046
RAX: 1ffff1100ce97c85 RBX: 0000000000000001 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff910470c0
RBP: ffffc90000007188 R08: dffffc0000000000 R09: 1ffffffff2208e18
R10: dffffc0000000000 R11: fffffbfff2208e19 R12: ffff8880674be478
R13: 0000000000000002 R14: ffffffff909b0158 R15: ffff8880674be478
FS:  00007ff83d4ed6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000018800000000 CR3: 0000000076d58000 CR4: 00000000003506f0
DR0: 0000200000000200 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 lock_acquire+0x19f/0x400 kernel/locking/lockdep.c:5737
 rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:313
 rcu_read_lock include/linux/rcupdate.h:740 [inline]
 __perf_event_output kernel/events/core.c:7812 [inline]
 perf_event_output_forward+0xbc/0x2e0 kernel/events/core.c:7834
 __perf_event_overflow+0x35f/0x550 kernel/events/core.c:9527
 perf_tp_event+0x324/0xbe0 kernel/events/core.c:10059
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10033
 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 d2 f6 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000007940 EFLAGS: 00000206
RAX: 9096a2c60b736800 RBX: 1ffff92000000f2c RCX: 9096a2c60b736800
RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a5100
RBP: ffffc90000007a20 R08: ffffffff910471c7 R09: 1ffffffff2208e38
R10: dffffc0000000000 R11: fffffbfff2208e39 R12: ffffffff8d123400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 ipv6_get_lladdr+0x333/0x3b0 net/ipv6/addrconf.c:1900
 addrconf_rs_timer+0x25f/0x640 net/ipv6/addrconf.c:3973
 call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
 expire_timers kernel/time/timer.c:1699 [inline]
 __run_timers+0x56c/0x810 kernel/time/timer.c:1970
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:finish_lock_switch+0x12f/0x290 kernel/sched/core.c:4804
Code: 83 c7 18 be ff ff ff ff e8 9e 2b 75 08 85 c0 74 46 4d 85 ff 75 62 0f 1f 44 00 00 48 89 df e8 38 9f 7e 08 e8 33 f7 2a 00 fb 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 48 89 df e8 2f 0e fe ff 43 80 3c 2c
RSP: 0018:ffffc90002ddea38 EFLAGS: 00000286
RAX: 9096a2c60b736800 RBX: ffff88801b9e1dc0 RCX: 9096a2c60b736800
RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a5100
RBP: 1ffff110171c7613 R08: ffff8880b8e3b30b R09: 1ffff110171c7661
R10: dffffc0000000000 R11: ffffed10171c7662 R12: 1ffff110171c75c1
R13: dffffc0000000000 R14: ffff8880b8e3ae08 R15: 0000000000000000
 finish_task_switch+0x12f/0x650 kernel/sched/core.c:4921
 context_switch kernel/sched/core.c:5052 [inline]
 __schedule+0x11cb/0x4350 kernel/sched/core.c:6395
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:6571
 preempt_schedule+0xbc/0xd0 kernel/sched/core.c:6596
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 unwind_next_frame+0x1202/0x1cf0 arch/x86/kernel/unwind_orc.c:616
 arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa6/0xf0 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_kmalloc mm/kasan/common.c:513 [inline]
 __kasan_kmalloc+0xaf/0xe0 mm/kasan/common.c:522
 copy_array kernel/bpf/verifier.c:778 [inline]
 copy_reference_state kernel/bpf/verifier.c:816 [inline]
 copy_func_state kernel/bpf/verifier.c:947 [inline]
 copy_verifier_state+0x66c/0xd00 kernel/bpf/verifier.c:986
 push_stack+0x1a5/0x510 kernel/bpf/verifier.c:1057
 check_cond_jmp_op kernel/bpf/verifier.c:9368 [inline]
 do_check+0xc5b3/0xf170 kernel/bpf/verifier.c:11529
 do_check_common+0xe7f/0x16e0 kernel/bpf/verifier.c:13542
 do_check_main kernel/bpf/verifier.c:13605 [inline]
 bpf_check+0x32e9/0xf5f0 kernel/bpf/verifier.c:14188
 bpf_prog_load+0xfdf/0x14e0 kernel/bpf/syscall.c:2354
 __sys_bpf+0x532/0x6f0 kernel/bpf/syscall.c:4657
 __do_sys_bpf kernel/bpf/syscall.c:4761 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4759 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4759
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff83f296559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff83d4ed028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007ff83f51cfa0 RCX: 00007ff83f296559
RDX: 0000000000000094 RSI: 0000200000000c00 RDI: 0000000000000005
RBP: 00007ff83f32db50 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff83f51d038 R14: 00007ff83f51cfa0 R15: 00007ffd17662b28
 </TASK>