rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10473 ticks this GP) idle=6fc4/1/0x4000000000000000 softirq=18003/25666 fqs=5244
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1104508       6142            0
rcu: 	cputime:    24571      27866          133   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=9965 q=3650 ncpus=2)
CPU: 0 UID: 0 PID: 6544 Comm: syz.0.214 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e #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:ipv6_get_lladdr+0x0/0x3f0
Code: 00 48 c7 c7 e0 f0 13 8e e8 7d 83 7d f7 5b e9 97 19 87 f7 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 10 89 d5 49 89
RSP: 0018:ffffc90000007ab8 EFLAGS: 00000202
RAX: 0000000000000101 RBX: ffff88801227e708 RCX: 0000000000000100
RDX: 0000000000000040 RSI: ffffc90000007b20 RDI: ffff888111530000
RBP: ffffc90000007b90 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000f48 R12: ffffc90000007b20
R13: 1ffff1100244fceb R14: 0000000000000005 R15: ffff888111530000
FS:  00007fbc8c4d26c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 00000000387ea000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 addrconf_rs_timer+0x26b/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_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 8b 2d 21 f6 e8 c6 00 58 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc900075278c0 EFLAGS: 00000282
RAX: a96c19916b656500 RBX: 0000000000000000 RCX: a96c19916b656500
RDX: 0000000000000000 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc90007527960 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000ea4f18
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:try_charge_memcg+0x124f/0x1290
Code: 00 00 00 0e 36 e0 45 4b c7 04 26 00 00 00 00 4b c7 44 26 08 00 00 00 00 65 48 8b 0d fb 48 74 10 48 3b 8c 24 20 01 00 00 75 14 <48> 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 a8
RSP: 0018:ffffc90007527a20 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88804b03b470 RCX: a96c19916b656500
RDX: 0000000000000001 RSI: ffffffff8db86553 RDI: 00000000ffffffff
RBP: ffffc90007527b90 R08: 0000000000000000 R09: ffffffff822bb70a
R10: 000000000000000a R11: ffffffff81ad0050 R12: dffffc0000000000
R13: 0000000000000040 R14: 1ffff92000ea4f58 R15: ffff88804b03b470
 obj_cgroup_charge_pages+0x1e/0xa0
 obj_cgroup_charge_account+0xcf/0x660
 __memcg_slab_post_alloc_hook+0x3e6/0x7f0
 kmem_cache_alloc_noprof+0x2bf/0x3c0
 alloc_empty_file+0x55/0x1d0
 alloc_file_pseudo+0x13d/0x210
 sock_alloc_file+0xb8/0x2e0
 __sys_socket+0x13d/0x1b0
 __x64_sys_socket+0x7a/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbc8b58e9a9
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:00007fbc8c4d2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007fbc8b7b5fa0 RCX: 00007fbc8b58e9a9
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000010
RBP: 00007fbc8b610d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbc8b7b5fa0 R15: 00007ffd540a9b18
 </TASK>
