rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=5724/1/0x4000000000000000 softirq=82899/82912 fqs=5053
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   998369          0            0
rcu: 	cputime:    35665      16824           96   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=69709 q=3540 ncpus=2)
CPU: 1 UID: 0 PID: 19417 Comm: syz.8.3409 Not tainted syzkaller #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+0x223/0x23c0
Code: 86 78 04 00 00 44 89 f8 4c 8d 2c 85 60 80 52 91 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 48 89 eb 0f 85 25 1c 00 00 45 8b 6d 00 <44> 89 f8 ff c0 48 8d 2c 85 60 80 52 91 48 89 e8 48 c1 e8 03 0f b6
RSP: 0018:ffffc90000a08398 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000100
RDX: 00000000000ab1bc RSI: ffffffff8c27b3e0 RDI: ffffffff8c27b3a0
RBP: dffffc0000000000 R08: ffffffff81767de5 R09: ffffffff8e75e3e0
R10: ffffc90000a084c8 R11: fffff520001410a5 R12: ffffffff8176a6d6
R13: 00000000000180f8 R14: ffffc90000a084c8 R15: 00000000000076a6
FS:  00007fc6359796c0(0000) GS:ffff8882a9463000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f86f0017dac CR3: 0000000113f80000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __unwind_start+0x5b8/0x760
 arch_stack_walk+0xe3/0x150
 stack_trace_save+0xa9/0x100
 __kfence_alloc+0x2ed/0x3e0
 kmem_cache_alloc_noprof+0x511/0x650
 dst_alloc+0x105/0x170
 icmp6_dst_alloc+0x75/0x440
 ndisc_send_skb+0x44a/0x1670
 addrconf_rs_timer+0x395/0x6d0
 call_timer_fn+0x192/0x640
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:kasan_check_range+0x97/0x2c0
Code: 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 3d 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb 41 80 3b 00 <0f> 85 9e 01 00 00 49 ff c3 48 ff c3 75 ee e9 1d 01 00 00 44 89 dd
RSP: 0018:ffffc900057f7e58 EFLAGS: 00000246
RAX: 1ffff11037f32601 RBX: ffffffffffffffff RCX: ffffffff82429d60
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888175622960
RBP: 0000000000000000 R08: ffff888175622967 R09: 1ffff1102eac452c
R10: dffffc0000000000 R11: ffffed102eac452c R12: 0000000000000001
R13: ffffffff81fc1530 R14: ffffed102eac452d R15: 1ffff1102eac452c
 fput+0x30/0xd0
 __se_sys_ioctl+0x168/0x170
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc634b9c799
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:00007fc635979028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc634e16090 RCX: 00007fc634b9c799
RDX: 0000000000000008 RSI: 0000000040042408 RDI: 0000000000000009
RBP: 00007fc634c32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc634e16128 R14: 00007fc634e16090 R15: 00007ffe035f7dc8
 </TASK>
