rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10484 ticks this GP) idle=7dfc/1/0x4000000000000000 softirq=72986/72987 fqs=4929
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1276577          0            0
rcu: 	cputime:    32595      19883           74   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=75457 q=1645 ncpus=2)
CPU: 0 UID: 0 PID: 18620 Comm: syz.2.3902 Not tainted 6.17.0-rc1-syzkaller-00022-g07866544e410 #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:unwind_next_frame+0x130e/0x2390
Code: c1 e8 3f 48 01 c8 48 83 e0 fe 4c 8d 3c 45 00 00 00 00 49 01 ef 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 75 27 49 63 07 4c 01 f8 49 8d 4f 04 4c 39 e0 48 0f 46 e9 49
RSP: 0018:ffffc90000007518 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffffffff8fbaca1c RCX: dffffc0000000000
RDX: ffffffff8fbaca1c RSI: ffffffff90387940 RDI: ffffffff8be332a0
RBP: ffffffff8fbaca1c R08: 0000000000000001 R09: ffffffff8172c195
R10: ffffc90000007638 R11: ffffffff81ac3890 R12: ffffffff81b3fea2
R13: ffffffff8fbaca1c R14: ffffc900000075e8 R15: ffffffff8fbaca1c
FS:  00007f6f214536c0(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6f21431fc8 CR3: 000000003946e000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 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:lock_acquire+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 eb e3 02 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc9000659f1b0 EFLAGS: 00000206
RAX: d5a880adebc5ff00 RBX: 0000000000000000 RCX: d5a880adebc5ff00
RDX: 0000000000000001 RSI: ffffffff8dba600c RDI: ffffffff8be33300
RBP: ffffffff81cea1f6 R08: 0000000000000000 R09: ffffffff81cea1f6
R10: dffffc0000000000 R11: fffffbfff1f46fc7 R12: 0000000000000002
R13: ffffffff8e139ee0 R14: 0000000000000000 R15: 0000000000000246
 is_bpf_text_address+0x47/0x2b0
 kernel_text_address+0xa5/0xe0
 __kernel_text_address+0xd/0x40
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfc/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0x157/0x9c0
 __schedule+0x17a0/0x4cc0
 schedule+0x165/0x360
 __futex_wait+0x1c3/0x3e0
 futex_wait+0x104/0x360
 do_futex+0x333/0x420
 __se_sys_futex+0x36f/0x400
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6f2058ebe9
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:00007f6f214530e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f6f207b5fa8 RCX: 00007f6f2058ebe9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6f207b5fa8
RBP: 00007f6f207b5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6f207b6038 R14: 00007ffcd6845140 R15: 00007ffcd6845228
 </TASK>
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 92190388827 wd_nsec: 92190383703
