rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (1 GPs behind) idle=c1d4/1/0x4000000000000000 softirq=64025/64026 fqs=1
rcu: 	(t=10502 jiffies g=95693 q=43 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10500 jiffies! g95693 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=61876
rcu: rcu_preempt kthread starved for 10503 jiffies! g95693 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I stack:28408 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0xc9a/0x5880 kernel/sched/core.c:6669
 schedule+0xde/0x1a0 kernel/sched/core.c:6745
 schedule_timeout+0x14e/0x2b0 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x190/0x910 kernel/rcu/tree.c:1609
 rcu_gp_kthread+0x23a/0x360 kernel/rcu/tree.c:1808
 kthread+0x344/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 16631 Comm: syz-executor.0 Not tainted 6.4.0-rc5-syzkaller-00017-ga27648c74210 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:kvm_wait+0xa8/0x110 arch/x86/kernel/kvm.c:1064
Code: fa 83 e2 07 38 d0 7f 04 84 c0 75 66 0f b6 07 40 38 c6 74 1b 48 83 c4 10 c3 c3 e8 53 9f 52 00 66 90 0f 00 2d 0a 47 11 09 fb f4 <48> 83 c4 10 c3 66 90 0f 00 2d fa 46 11 09 f4 48 83 c4 10 c3 89 74
RSP: 0018:ffffc90000007b48 EFLAGS: 00000242
RAX: 000000000000a786 RBX: 0000000000000000 RCX: 1ffffffff22ae536
RDX: 0000000000000000 RSI: 0000000000000101 RDI: 0000000000000000
RBP: ffff8880277898f0 R08: 0000000000000001 R09: ffffffff91529dc7
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: ffffed1004ef131e R14: 0000000000000001 R15: ffff8880b983d440
FS:  0000555556bb1400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f22dcb0e840 CR3: 0000000029a3a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 pv_wait arch/x86/include/asm/paravirt.h:598 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x8cb/0xb50 kernel/locking/qspinlock.c:511
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:586 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock+0x204/0x2b0 kernel/locking/spinlock_debug.c:115
 spin_lock include/linux/spinlock.h:350 [inline]
 fq_pie_timer+0x96/0x2a0 net/sched/sch_fq_pie.c:377
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751
 __run_timers kernel/time/timer.c:2022 [inline]
 __run_timers kernel/time/timer.c:1995 [inline]
 run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
 __do_softirq+0x1d4/0x905 kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x114/0x190 kernel/softirq.c:650
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:obj_cgroup_charge+0x27c/0x5e0 mm/memcontrol.c:3396
Code: c6 28 35 df 81 48 89 df e8 c1 b2 86 ff 4d 85 ed 0f 85 fb 00 00 00 9c 58 f6 c4 02 0f 85 22 02 00 00 4d 85 ed 74 01 fb 45 31 ed <45> 84 ff 75 69 4c 89 e5 41 81 e4 ff 0f 00 00 4c 89 f7 48 c1 ed 0c
RSP: 0018:ffffc9000bd87758 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff8880b98381e0 RCX: 1ffffffff22aca1e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8880b9838208 R08: 0000000000000001 R09: ffffffff91529d9f
R10: 0000000000000001 R11: 0000000000094001 R12: 0000000000000560
R13: 0000000000000000 R14: ffff8880298da080 R15: 0000000000000001
 memcg_slab_pre_alloc_hook mm/slab.h:464 [inline]
 slab_pre_alloc_hook mm/slab.h:675 [inline]
 slab_alloc_node mm/slub.c:3433 [inline]
 slab_alloc mm/slub.c:3459 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3466 [inline]
 kmem_cache_alloc_lru+0x142/0x600 mm/slub.c:3482
 alloc_inode_sb include/linux/fs.h:2705 [inline]
 proc_alloc_inode+0x27/0x210 fs/proc/inode.c:67
 alloc_inode+0x61/0x230 fs/inode.c:260
 new_inode_pseudo fs/inode.c:1018 [inline]
 new_inode+0x2b/0x280 fs/inode.c:1046
 proc_pid_make_inode+0x26/0x220 fs/proc/base.c:1897
 proc_pident_instantiate+0x85/0x320 fs/proc/base.c:2643
 proc_pident_lookup+0x1db/0x270 fs/proc/base.c:2679
 lookup_open.isra.0+0x944/0x1400 fs/namei.c:3470
 open_last_lookups fs/namei.c:3560 [inline]
 path_openat+0x975/0x2750 fs/namei.c:3788
 do_filp_open+0x1ba/0x410 fs/namei.c:3818
 do_sys_openat2+0x16d/0x4c0 fs/open.c:1356
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_openat fs/open.c:1388 [inline]
 __se_sys_openat fs/open.c:1383 [inline]
 __x64_sys_openat+0x143/0x1f0 fs/open.c:1383
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f22dca3e2f4
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007f22dcccf800 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f22dca3e2f4
RDX: 0000000000080001 RSI: 00007f22dcae7d29 RDI: 00000000ffffff9c
RBP: 00007f22dcae7d29 R08: 0000000000000000 R09: 00007f22dcccf7f0
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000080001
R13: 00007f22dcccf8a0 R14: 0000000000000000 R15: 00007f22dcccfe40
 </TASK>
CPU: 1 PID: 4744 Comm: kworker/1:3 Not tainted 6.4.0-rc5-syzkaller-00017-ga27648c74210 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: ipv6_addrconf addrconf_dad_work
RIP: 0010:__list_add include/linux/list.h:72 [inline]
RIP: 0010:list_add_tail include/linux/list.h:102 [inline]
RIP: 0010:list_move_tail include/linux/list.h:230 [inline]
RIP: 0010:fq_pie_qdisc_dequeue+0x728/0x9c0 net/sched/sch_fq_pie.c:248
Code: 00 48 89 df 48 8b 14 24 4c 89 ee e8 b2 3a d8 fb 31 ff 41 89 c7 89 c6 e8 e6 25 45 f9 45 84 ff 0f 84 2b f9 ff ff e8 f8 29 45 f9 <48> 8b 44 24 08 48 c1 e8 03 42 80 3c 20 00 0f 85 5e 02 00 00 48 89
RSP: 0018:ffffc9000355f588 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff88804e8ee4b0 RCX: 0000000000000000
RDX: ffff888020750000 RSI: ffffffff883f1c48 RDI: 0000000000000001
RBP: ffff888027789800 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 1ffffffff2195ddc R12: dffffc0000000000
R13: ffff888027789ae0 R14: ffff888027789af0 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002012a030 CR3: 000000004a9e3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 dequeue_skb net/sched/sch_generic.c:292 [inline]
 qdisc_restart net/sched/sch_generic.c:397 [inline]
 __qdisc_run+0x1b2/0x1780 net/sched/sch_generic.c:415
 __dev_xmit_skb net/core/dev.c:3868 [inline]
 __dev_queue_xmit+0x2215/0x3b10 net/core/dev.c:4210
 dev_queue_xmit include/linux/netdevice.h:3085 [inline]
 neigh_connected_output+0x3c2/0x550 net/core/neighbour.c:1581
 neigh_output include/net/neighbour.h:544 [inline]
 ip6_finish_output2+0x55a/0x1560 net/ipv6/ip6_output.c:134
 __ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
 ip6_finish_output+0x69a/0x1170 net/ipv6/ip6_output.c:206
 NF_HOOK_COND include/linux/netfilter.h:292 [inline]
 ip6_output+0x1f1/0x540 net/ipv6/ip6_output.c:227
 dst_output include/net/dst.h:458 [inline]
 NF_HOOK include/linux/netfilter.h:303 [inline]
 NF_HOOK include/linux/netfilter.h:297 [inline]
 mld_sendpack+0xa09/0xed0 net/ipv6/mcast.c:1820
 mld_send_initial_cr.part.0+0x1a6/0x260 net/ipv6/mcast.c:2239
 mld_send_initial_cr net/ipv6/mcast.c:1232 [inline]
 ipv6_mc_dad_complete+0x1d4/0x680 net/ipv6/mcast.c:2247
 addrconf_dad_completed+0xa01/0xe00 net/ipv6/addrconf.c:4234
 addrconf_dad_begin net/ipv6/addrconf.c:4019 [inline]
 addrconf_dad_work+0x820/0x1390 net/ipv6/addrconf.c:4121
 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
 kthread+0x344/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>