bridge0: received packet on bridge_slave_0 with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:00:00:00:07:00, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10502 jiffies, g=390029, q=1043 ncpus=1)
rcu: All QSes seen, last rcu_preempt kthread activity 2125 (4295096414-4295094289), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 2125 jiffies! g390029 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:26472 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5387 [inline]
 __schedule+0x10e9/0x6820 kernel/sched/core.c:7188
 __schedule_loop kernel/sched/core.c:7267 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7282
 schedule_timeout+0x127/0x280 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1a9/0x900 kernel/rcu/tree.c:2095
 rcu_gp_kthread+0x179/0x230 kernel/rcu/tree.c:2297
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 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: 3426 Comm: kworker/R-bat_e Tainted: G     U       L      syzkaller #0 PREEMPT(full) 
Tainted: [U]=USER, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_tt_purge
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: 16 67 5b 00 48 89 df 5b e9 bd f1 60 00 be 03 00 00 00 5b e9 22 92 ee 02 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 65 8b 05 05 19 0b 12 48 8b 34 24 65 48 8b 15 e1 18 0b
RSP: 0018:ffffc90000006e18 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8a6efa3f
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff88803377dc40
RBP: ffff88805ccb8000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888020f4b000
R13: ffff88814fc6d334 R14: 1ffff92000000dcd R15: ffff88814fc6d31c
FS:  0000000000000000(0000) GS:ffff8881242e2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc7eef0a5c CR3: 00000000213d2000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 rcu_read_unlock include/linux/rcupdate.h:867 [inline]
 net_generic+0x18c/0x2a0 include/net/netns/generic.h:48
 is_vlan_ip net/bridge/br_netfilter_hooks.c:94 [inline]
 br_nf_post_routing+0x30a/0x16a0 net/bridge/br_netfilter_hooks.c:940
 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
 nf_hook_slow+0xbf/0x220 net/netfilter/core.c:619
 nf_hook include/linux/netfilter.h:273 [inline]
 NF_HOOK include/linux/netfilter.h:316 [inline]
 br_forward_finish+0x261/0x4d0 net/bridge/br_forward.c:66
 br_nf_hook_thresh+0x30d/0x420 net/bridge/br_netfilter_hooks.c:1161
 br_nf_forward_finish+0x693/0xb30 net/bridge/br_netfilter_hooks.c:663
 NF_HOOK include/linux/netfilter.h:318 [inline]
 NF_HOOK include/linux/netfilter.h:312 [inline]
 br_nf_forward_ip.part.0+0x61e/0x820 net/bridge/br_netfilter_hooks.c:717
 br_nf_forward_ip net/bridge/br_netfilter_hooks.c:677 [inline]
 br_nf_forward+0xfe5/0x19f0 net/bridge/br_netfilter_hooks.c:774
 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
 nf_hook_slow+0xbf/0x220 net/netfilter/core.c:619
 nf_hook include/linux/netfilter.h:273 [inline]
 NF_HOOK include/linux/netfilter.h:316 [inline]
 __br_forward+0x2f7/0x970 net/bridge/br_forward.c:115
 deliver_clone net/bridge/br_forward.c:131 [inline]
 br_flood+0x37f/0x650 net/bridge/br_forward.c:250
 br_handle_frame_finish+0xff4/0x1f60 net/bridge/br_input.c:229
 br_nf_hook_thresh+0x30d/0x420 net/bridge/br_netfilter_hooks.c:1161
 br_nf_pre_routing_finish_ipv6+0x659/0xdd0 net/bridge/br_netfilter_ipv6.c:153
 NF_HOOK include/linux/netfilter.h:318 [inline]
 br_nf_pre_routing_ipv6+0x39c/0x8b0 net/bridge/br_netfilter_ipv6.c:183
 br_nf_pre_routing+0x90f/0x1560 net/bridge/br_netfilter_hooks.c:509
 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
 nf_hook_bridge_pre net/bridge/br_input.c:291 [inline]
 br_handle_frame+0xcdd/0x1520 net/bridge/br_input.c:442
 __netif_receive_skb_core.constprop.0+0x6c5/0x3530 net/core/dev.c:6096
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:6207
 __netif_receive_skb+0x1f/0x120 net/core/dev.c:6322
 process_backlog+0x37a/0x1580 net/core/dev.c:6673
 __napi_poll.constprop.0+0xaf/0x450 net/core/dev.c:7737
 napi_poll net/core/dev.c:7800 [inline]
 net_rx_action+0xa40/0xf20 net/core/dev.c:7957
 handle_softirqs+0x1ea/0xa00 kernel/softirq.c:622
 do_softirq kernel/softirq.c:523 [inline]
 do_softirq+0xac/0xe0 kernel/softirq.c:510
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:450
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 batadv_tt_global_purge net/batman-adv/translation-table.c:2255 [inline]
 batadv_tt_purge+0x25d/0xbd0 net/batman-adv/translation-table.c:3515
 process_one_work+0xa0e/0x1980 kernel/workqueue.c:3302
 process_scheduled_works kernel/workqueue.c:3385 [inline]
 rescuer_thread+0x905/0x14a0 kernel/workqueue.c:3609
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
net_ratelimit: 16788 callbacks suppressed
bridge0: received packet on bridge_slave_0 with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:00:00:00:07:00, vlan:0)
net_ratelimit: 18577 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:00:00:00:07:00, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:00:00:00:00:07:00, vlan:0)