bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P6678/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=3177, q=2164 ncpus=2)
task:udevd           state:R  running task     stack:0     pid:6678  tgid:6678  ppid:6194   task_flags:0x400140 flags:0x00800008
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T)
 context_switch kernel/sched/core.c:5325 [inline]
 __schedule+0x13b0/0x2864 kernel/sched/core.c:6929
 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:7256
 raw_irqentry_exit_cond_resched+0x30/0x44 kernel/entry/common.c:168
 irqentry_exit+0xd4/0x108 kernel/entry/common.c:211
 __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:68 [inline]
 exit_to_kernel_mode+0x10/0x1c arch/arm64/kernel/entry-common.c:75
 __el1_irq arch/arm64/kernel/entry-common.c:522 [inline]
 el1_interrupt+0x4c/0x60 arch/arm64/kernel/entry-common.c:532
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:537
 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:592
 preempt_count_add+0x44/0x310 kernel/sched/core.c:5789 (P)
 __raw_spin_lock include/linux/spinlock_api_smp.h:132 [inline]
 _raw_spin_lock+0x20/0x60 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 fast_dput+0xfc/0x3a8 fs/dcache.c:827
 dput+0xd8/0x290 fs/dcache.c:905
 step_into+0x25c/0xab4 fs/namei.c:2004
 walk_component fs/namei.c:2157 [inline]
 link_path_walk+0x61c/0xc98 fs/namei.c:2519
 path_openat+0x1cc/0x2c40 fs/namei.c:4130
 do_filp_open+0x18c/0x36c fs/namei.c:4161
 do_sys_openat2+0x11c/0x1b4 fs/open.c:1437
 do_sys_open fs/open.c:1452 [inline]
 __do_sys_openat fs/open.c:1468 [inline]
 __se_sys_openat fs/open.c:1463 [inline]
 __arm64_sys_openat+0x120/0x158 fs/open.c:1463
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:746
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
rcu: rcu_preempt kthread starved for 2196 jiffies! g3177 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:0     pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00000010
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T)
 context_switch kernel/sched/core.c:5325 [inline]
 __schedule+0x13b0/0x2864 kernel/sched/core.c:6929
 __schedule_loop kernel/sched/core.c:7011 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:7026
 schedule_timeout+0x128/0x270 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x2b8/0x14e8 kernel/rcu/tree.c:2083
 rcu_gp_kthread+0xc0/0x2f8 kernel/rcu/tree.c:2285
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 6870 Comm: kworker/u8:11 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Workqueue: events_unbound cfg80211_wiphy_work
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : should_resched arch/arm64/include/asm/preempt.h:78 [inline]
pc : __local_bh_enable_ip+0x1f0/0x35c kernel/softirq.c:457
lr : __local_bh_enable_ip+0x1ec/0x35c kernel/softirq.c:455
sp : ffff800097936780
x29: ffff800097936790 x28: dfff800000000000 x27: ffff700012f26d00
x26: ffff800097936800 x25: 0000000000000003 x24: 0000000000000001
x23: dfff800000000000 x22: 1fffe0001b6fd001 x21: ffff800089c00238
x20: 0000000000000200 x19: ffff0000db7e8008 x18: 0000000000000000
x17: 0000000000020010 x16: ffff80008052b604 x15: 0000000000000002
x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000ff0100
x11: ffff800093102c88 x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000006500dc x7 : ffff800097936750 x6 : 0000000000000003
x5 : ffff0000d385c640 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000002 x1 : ffff80008eb98661 x0 : ffff80010ca32000
Call trace:
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P)
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:48 [inline] (P)
 __local_bh_enable_ip+0x1f0/0x35c kernel/softirq.c:455 (P)
 local_bh_enable+0x28/0x34 include/linux/bottom_half.h:33
 ip6_pol_route+0xcf0/0x1014 net/ipv6/route.c:2307
 ip6_pol_route_input+0x74/0x94 net/ipv6/route.c:2326
 pol_lookup_func include/net/ip6_fib.h:617 [inline]
 fib6_rule_lookup+0x174/0x45c net/ipv6/fib6_rules.c:120
 ip6_route_input_lookup net/ipv6/route.c:2338 [inline]
 ip6_route_input+0x5d0/0x930 net/ipv6/route.c:2641
 ip6_rcv_finish_core+0x218/0x3c8 net/ipv6/ip6_input.c:66
 ip6_rcv_finish+0x120/0x21c net/ipv6/ip6_input.c:77
 ip_sabotage_in+0x1a8/0x220 net/bridge/br_netfilter_hooks.c:990
 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
 nf_hook_slow+0xb4/0x21c net/netfilter/core.c:623
 nf_hook include/linux/netfilter.h:273 [inline]
 NF_HOOK+0x1c8/0x358 include/linux/netfilter.h:316
 ipv6_rcv+0x9c/0xbc net/ipv6/ip6_input.c:311
 __netif_receive_skb_one_core net/core/dev.c:6079 [inline]
 __netif_receive_skb+0xcc/0x2a8 net/core/dev.c:6192
 netif_receive_skb_internal net/core/dev.c:6278 [inline]
 netif_receive_skb+0x1e0/0x844 net/core/dev.c:6337
 br_netif_receive_skb+0x144/0x18c net/bridge/br_input.c:30
 NF_HOOK+0xa8/0x35c include/linux/netfilter.h:318
 br_pass_frame_up+0x284/0x424 net/bridge/br_input.c:70
 br_handle_frame_finish+0x1088/0x1628 net/bridge/br_input.c:235
 br_nf_hook_thresh+0x344/0x3d8 net/bridge/br_netfilter_hooks.c:-1
 br_nf_pre_routing_finish_ipv6+0x8bc/0xbe4 net/bridge/br_netfilter_ipv6.c:-1
 NF_HOOK include/linux/netfilter.h:318 [inline]
 br_nf_pre_routing_ipv6+0x2c4/0x5ac net/bridge/br_netfilter_ipv6.c:184
 br_nf_pre_routing+0x578/0x1130 net/bridge/br_netfilter_hooks.c:508
 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
 nf_hook_bridge_pre net/bridge/br_input.c:291 [inline]
 br_handle_frame+0x7b0/0x10b8 net/bridge/br_input.c:442
 __netif_receive_skb_core+0xe68/0x3b98 net/core/dev.c:5966
 __netif_receive_skb_one_core net/core/dev.c:6077 [inline]
 __netif_receive_skb+0x78/0x2a8 net/core/dev.c:6192
 process_backlog+0x60c/0x10e4 net/core/dev.c:6544
 __napi_poll+0xb4/0x310 net/core/dev.c:7594
 napi_poll net/core/dev.c:7657 [inline]
 net_rx_action+0x548/0xd00 net/core/dev.c:7784
 handle_softirqs+0x328/0xc88 kernel/softirq.c:622
 __do_softirq+0x14/0x20 kernel/softirq.c:656
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:68
 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:891
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:73
 do_softirq+0x90/0xf8 kernel/softirq.c:523
 __local_bh_enable_ip+0x240/0x35c kernel/softirq.c:450
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
 _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:210
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 cfg80211_put_bss+0x1d4/0x228 net/wireless/scan.c:3360
 ieee80211_rx_bss_put+0x50/0x68 net/mac80211/scan.c:37
 ieee80211_rx_bss_info net/mac80211/ibss.c:1166 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1573 [inline]
 ieee80211_ibss_rx_queued_mgmt+0x1540/0x2420 net/mac80211/ibss.c:1600
 ieee80211_iface_process_skb net/mac80211/iface.c:1694 [inline]
 ieee80211_iface_work+0x754/0x106c net/mac80211/iface.c:1748
 cfg80211_wiphy_work+0x294/0x49c net/wireless/core.c:435
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3263
 process_scheduled_works kernel/workqueue.c:3346 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3427
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844