rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=0964/1/0x4000000000000000 softirq=24399/24399 fqs=4938
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1184974          0            0
rcu: 	cputime:    30568      21920           81   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=19361 q=1992 ncpus=2)
CPU: 0 UID: 0 PID: 8261 Comm: syz.0.678 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_get_return_address+0x6/0x90
Code: 6f b0 00 4c 89 f7 4c 89 fe e9 29 ff ff ff e8 61 87 07 0a 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 <41> 56 53 48 89 fb 49 be 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8
RSP: 0018:ffffc900000072b8 EFLAGS: 00000202
RAX: 0000000090380901 RBX: ffffc90000007380 RCX: 30c14aaac14f8600
RDX: 0000000000000002 RSI: ffffffff8dba9832 RDI: ffffc900000072c8
RBP: ffffc90000007350 R08: ffffc90000007c90 R09: 0000000000000000
R10: ffffc90000007318 R11: fffff52000000e65 R12: ffff888020a01cc0
R13: 1ffff92000000edc R14: ffffffff81ac4d00 R15: ffffc900000072c8
FS:  00007fc0b62e06c0(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc0b629ed58 CR3: 0000000030128000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 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
 xfrm_lookup_with_ifid+0x1391/0x1a70
 ndisc_send_skb+0x41f/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:should_failslab+0x93/0x100
Code: 48 c1 e9 03 42 0f b6 0c 21 84 c9 75 62 41 f6 47 01 40 74 37 c1 eb 0d 83 e3 01 49 83 c6 1c 4c 89 f0 48 c1 e8 03 42 0f b6 04 20 <84> c0 75 2a 41 8b 36 48 c7 c7 e0 99 25 8e 89 da e8 08 f2 d9 02 31
RSP: 0018:ffffc90002cefc98 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 30c14aaac14f8600
RDX: ffff888020a01cc0 RSI: 0000000000000cc0 RDI: ffff888100014a00
RBP: 0000000000000cc0 R08: 0000000000000000 R09: ffffffff8215e9fd
R10: dffffc0000000000 R11: ffffed1005f1a0e9 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888100014a1c R15: 0000000000031d5d
 kmem_cache_alloc_noprof+0x73/0x3c0
 alloc_empty_file+0x55/0x1d0
 alloc_file_pseudo+0x13d/0x210
 sock_alloc_file+0xb8/0x2e0
 __sys_socketpair+0x2db/0x560
 __x64_sys_socketpair+0x9b/0xb0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc0b538eba9
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:00007fc0b62e0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007fc0b55d5fa0 RCX: 00007fc0b538eba9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 00007fc0b5411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc0b55d6038 R14: 00007fc0b55d5fa0 R15: 00007ffd6f52dba8
 </TASK>
