rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10417 ticks this GP) idle=c994/1/0x4000000000000000 softirq=60800/60800 fqs=4535
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1189190          0            0
rcu: 	cputime:    24548      27931           78   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=45105 q=3726 ncpus=2)
CPU: 0 UID: 0 PID: 15507 Comm: syz.7.4133 Not tainted 6.16.0-syzkaller-06600-g1dbf1d590d10-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:rcu_read_unlock_special+0x87/0x4c0
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 b2 e8 f2 10 41 f7 c6 00 00 f0 00 74 49 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc900000073e0 EFLAGS: 00000206
RAX: 6cfc6986e5bfc600 RBX: 1ffff92000000e84 RCX: 6cfc6986e5bfc600
RDX: 0000000000000002 RSI: ffffffff8d9792eb RDI: ffffffff8be30a00
RBP: ffffc900000074d8 R08: ffffffff8fa07bf7 R09: 1ffffffff1f40f7e
R10: dffffc0000000000 R11: fffffbfff1f40f7f R12: ffffffff8e141800
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
FS:  00007fbb7e6b36c0(0000) GS:ffff8880b8680000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f01eff8 CR3: 000000003db5c000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __rcu_read_unlock+0x84/0xe0
 unwind_next_frame+0x19ae/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_node_noprof+0x1bb/0x3c0
 __alloc_skb+0x112/0x2d0
 ndisc_alloc_skb+0x9f/0x480
 ndisc_send_rs+0x2b5/0x630
 addrconf_rs_timer+0x369/0x670
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__schedule+0x1750/0x4d30
Code: 1d b2 f6 4d 89 27 4c 89 f7 4c 89 e6 e8 f9 a7 c2 f5 48 89 c7 e8 01 74 20 f6 31 ff 4d 39 e6 40 0f 95 c7 48 8b b4 24 e8 00 00 00 <e8> 4b 7d 20 f6 48 c7 84 24 20 01 00 00 0e 36 e0 45 48 8b 84 24 18
RSP: 0018:ffffc9000345f760 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff888021b86bcc RCX: 6cfc6986e5bfc600
RDX: 0000000000000006 RSI: ffffffff8b70f273 RDI: 0000000000000001
RBP: ffffc9000345f990 R08: ffffffff8fa07bf7 R09: 1ffffffff1f40f7e
R10: dffffc0000000000 R11: fffffbfff1f40f7f R12: ffff888021b85640
R13: dffffc0000000000 R14: ffff88803f05b980 R15: ffff88804b039f50
 preempt_schedule_common+0x83/0xd0
 preempt_schedule+0xae/0xc0
 preempt_schedule_thunk+0x16/0x30
 smp_call_function_single+0x470/0x590
 perf_install_in_context+0x593/0x8f0
 __se_sys_perf_event_open+0x193a/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbb7d78eb69
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:00007fbb7e6b3038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fbb7d9b5fa0 RCX: 00007fbb7d78eb69
RDX: affffff7ffffffff RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007fbb7d811df1 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbb7d9b5fa0 R15: 00007ffce340a188
 </TASK>
