rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10502 jiffies, g=146889, q=932 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 9812 (4295139302-4295129490), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 9812 jiffies! g146889 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R  running task     stack:27544 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_timeout+0x158/0x2c0 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x312/0x11d0 kernel/rcu/tree.c:2095
 rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2297
 kthread+0x389/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 21225 Comm: kworker/R-bond6 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bond6 bond_mii_monitor
RIP: 0010:seqcount_lockdep_reader_access+0xec/0x100 include/linux/seqlock.h:76
Code: 00 75 11 e8 76 e2 c2 f7 4d 85 ff 75 16 e8 6c e2 c2 f7 eb 15 e8 65 e2 c2 f7 e8 20 d3 a5 01 4d 85 ff 74 ea e8 56 e2 c2 f7 fb 5b <41> 5e 41 5f e9 8b c6 a8 01 cc 66 2e 0f 1f 84 00 00 00 00 00 90 90
RSP: 0018:ffffc90000007448 EFLAGS: 00000246
RAX: ffffffff8a02e20a RBX: ffff888025787a00 RCX: ffff88802d6e8000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007590 R08: ffffffff9030bff7 R09: 1ffffffff20617fe
R10: dffffc0000000000 R11: fffffbfff20617ff R12: 00000000000000fa
R13: dffffc0000000000 R14: ffffffff8a02b4ce R15: 0000000000000200
FS:  0000000000000000(0000) GS:ffff88812528a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555593f6e4e8 CR3: 0000000020ece000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 __ip_vs_conn_in_get+0x2de/0x10f0 net/netfilter/ipvs/ip_vs_conn.c:360
 ip_vs_conn_in_get net/netfilter/ipvs/ip_vs_conn.c:394 [inline]
 ip_vs_conn_in_get_proto+0x2be/0x5c0 net/netfilter/ipvs/ip_vs_conn.c:447
 ip_vs_in_hook+0x602/0x1bf0 net/netfilter/ipvs/ip_vs_core.c:2169
 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
 nf_hook_slow+0xc5/0x220 net/netfilter/core.c:619
 nf_hook include/linux/netfilter.h:273 [inline]
 NF_HOOK+0x21f/0x3c0 include/linux/netfilter.h:316
 ip6_input+0x16a/0x270 net/ipv6/ip6_input.c:545
 NF_HOOK+0x336/0x3c0 include/linux/netfilter.h:318
 __netif_receive_skb_one_core net/core/dev.c:6202 [inline]
 __netif_receive_skb net/core/dev.c:6315 [inline]
 process_backlog+0x7dd/0x1950 net/core/dev.c:6666
 __napi_poll+0xae/0x340 net/core/dev.c:7733
 napi_poll net/core/dev.c:7796 [inline]
 net_rx_action+0x627/0xf70 net/core/dev.c:7953
 handle_softirqs+0x22a/0x840 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1061
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:188 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:206
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 9a 85 f6 f5 48 89 df e8 a2 fa f6 f5 e8 3d 8f 22 f6 fb bf 01 00 00 00 <e8> 72 79 e8 f5 65 8b 05 9b ff 8d 07 85 c0 74 07 5b e9 01 48 00 00
RSP: 0018:ffffc9000678fa90 EFLAGS: 00000206
RAX: 00000000001f4769 RBX: ffff88801aea3000 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8dfa6fb6 RDI: 0000000000000001
RBP: ffffc9000678fcb8 R08: ffffffff9030bff7 R09: 1ffffffff20617fe
R10: dffffc0000000000 R11: fffffbfff20617ff R12: 0000000002000000
R13: ffff88807b6ed1a8 R14: dffffc0000000000 R15: ffff888033d2a218
 process_one_work kernel/workqueue.c:3283 [inline]
 process_scheduled_works+0x953/0x1860 kernel/workqueue.c:3397
 rescuer_thread+0x827/0x1130 kernel/workqueue.c:3621
 kthread+0x389/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>