rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=ed7c/1/0x4000000000000000 softirq=209083/209084 fqs=4863
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1337619          0            0
rcu: 	cputime:    32584      19894           69   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=199681 q=2889 ncpus=2)
CPU: 0 UID: 0 PID: 9792 Comm: syz.6.10129 Not tainted 6.16.0-syzkaller-11113-gf3af62b6cee8-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:lock_release+0x2b5/0x3e0
Code: 51 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 75 56 f7 c3 00 02 00 00 74 01 fb 65 48 8b 05 cb f3 01 11 <48> 3b 44 24 28 0f 85 8b 00 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90000006e50 EFLAGS: 00000206
RAX: 75ee04556b6cd900 RBX: 0000000000000202 RCX: 75ee04556b6cd900
RDX: 0000000000000004 RSI: ffffffff8dba01e3 RDI: ffffffff8be2fd00
RBP: ffff88810695e1d0 R08: ffffc90000006fe7 R09: 0000000000000000
R10: ffffc90000006fd8 R11: fffff52000000dfd R12: 0000000000000004
R13: 0000000000000004 R14: ffffffff8e139e60 R15: ffff88810695d640
FS:  00007fcde06256c0(0000) GS:ffff8880b862a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000045c44000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_next_frame+0x19a9/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0x157/0x9c0
 __dev_queue_xmit+0x85c/0x3b50
 ip6_finish_output2+0x11bc/0x16a0
 ndisc_send_skb+0xb54/0x1440
 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:__futex_wait+0x3ab/0x3e0
Code: 00 4b c7 44 27 15 00 00 00 00 66 43 c7 44 27 1d 00 00 43 c6 44 27 1f 00 65 48 8b 05 7f 63 eb 10 48 3b 84 24 60 01 00 00 75 24 <44> 89 e8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc
RSP: 0018:ffffc90008f67a20 EFLAGS: 00000246
RAX: 75ee04556b6cd900 RBX: 0000000000000000 RCX: ffff88810695d640
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90008f67bd0 R08: 0000000000000000 R09: ffffffff81b30332
R10: dffffc0000000000 R11: fffffbfff1f46487 R12: dffffc0000000000
R13: 0000000000000000 R14: ffffc90008f67aa0 R15: 1ffff920011ecf50
 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: 0033:0x7fcddf78ebe9
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:00007fcde06250e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fcddf9b5fa8 RCX: 00007fcddf78ebe9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fcddf9b5fa8
RBP: 00007fcddf9b5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcddf9b6038 R14: 00007ffe53acd030 R15: 00007ffe53acd118
 </TASK>
