bridge0: received packet on veth1_to_bridge with own address as source address (addr:7a:f3:c0:bb:d0:70, vlan:0)
bridge0: received packet on bridge_slave_1 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): P16026/1:b..l P650/2:b..l
rcu: 	(detected by 0, t=10506 jiffies, g=227121, q=1132 ncpus=2)
task:kworker/1:5     state:R  running task     stack:25152 pid:650   tgid:650   ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: mld mld_mca_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7370
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 __local_bh_enable_ip+0xe1/0x130 kernel/softirq.c:457
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 ___neigh_create+0x1c5f/0x2250 net/core/neighbour.c:724
 ip6_finish_output2+0x729/0x13e0 net/ipv6/ip6_output.c:128
 NF_HOOK_COND include/linux/netfilter.h:307 [inline]
 ip6_output+0x340/0x550 net/ipv6/ip6_output.c:246
 dst_output include/net/dst.h:470 [inline]
 NF_HOOK+0x177/0x4f0 include/linux/netfilter.h:318
 igmp6_send+0xad3/0x1170 net/ipv6/mcast.c:2233
 mld_mca_work+0x2a2/0x440 net/ipv6/mcast.c:2723
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3397
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3478
 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>
task:udevd           state:R  running task     stack:27960 pid:16026 tgid:16026 ppid:4999   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7370
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:169 [inline]
 _raw_spin_unlock+0x3f/0x50 kernel/locking/spinlock.c:190
 spin_unlock include/linux/spinlock.h:390 [inline]
 wp_page_copy mm/memory.c:3976 [inline]
 do_wp_page+0x3f15/0x4cc0 mm/memory.c:4336
 handle_pte_fault mm/memory.c:6443 [inline]
 __handle_mm_fault mm/memory.c:6565 [inline]
 handle_mm_fault+0x1698/0x3170 mm/memory.c:6734
 do_user_addr_fault+0xa73/0x1340 arch/x86/mm/fault.c:1334
 handle_page_fault arch/x86/mm/fault.c:1474 [inline]
 exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1527
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7fca7e0b5b69
RSP: 002b:00007ffcee09c670 EFLAGS: 00010202
RAX: 00007fca7e1f2170 RBX: 00005620ad9f90d0 RCX: 00005620ad9f90d0
RDX: 00005620ad9f90d0 RSI: 00007fca7e1f2170 RDI: 00005620ad9f90d0
RBP: 00007fca7e1f1ac0 R08: 0000000000002760 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000003e30
R13: 00005620ad9fcf00 R14: 0000000000002a20 R15: 00007fca7e1f1ac0
 </TASK>
rcu: rcu_preempt kthread starved for 325 jiffies! g227121 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:26880 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:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 22313 Comm: kworker/1:56 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: wg-crypt-wg0 wg_packet_tx_worker
RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1f/0x70 kernel/kcov.c:217
Code: 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 0d 58 69 72 11 65 8b 15 79 69 72 11 81 e2 00 01 ff 00 74 11 <81> fa 00 01 00 00 75 35 83 b9 ec 16 00 00 00 74 2c 8b 91 c8 16 00
RSP: 0018:ffffc90000a082b0 EFLAGS: 00000006
RAX: ffffffff81b2bd9a RBX: 1ffff110042f9467 RCX: ffff88808ea5be00
RDX: 0000000000010100 RSI: 0000000000000000 RDI: ffff8880217ca328
RBP: dffffc0000000000 R08: ffff8880217ca327 R09: 0000000000000000
R10: ffff8880217ca318 R11: ffffed10042f9465 R12: ffff8880b873bc00
R13: 0000000000000000 R14: ffff8880217ca300 R15: ffff8880b8728340
FS:  0000000000000000(0000) GS:ffff88812539e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005620ad9d8608 CR3: 000000000e74a000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 base_update_next_timer kernel/time/hrtimer.c:1128 [inline]
 __remove_hrtimer+0x1ba/0x3e0 kernel/time/hrtimer.c:1162
 __run_hrtimer kernel/time/hrtimer.c:1910 [inline]
 __hrtimer_run_queues+0x299/0xa20 kernel/time/hrtimer.c:1994
 hrtimer_interrupt+0x44b/0x950 kernel/time/hrtimer.c:2113
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 __sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1067
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline]
 sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1061
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:stack_trace_consume_entry+0x0/0x280 kernel/stacktrace.c:83
Code: f0 5b 41 5e 5d c3 cc cc cc cc cc e8 aa 63 f6 09 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 83 ec 18 48 ba 00 00
RSP: 0018:ffffc90000a085e0 EFLAGS: 00000282
RAX: ffffffff8230d8ec RBX: ffffc90000a086a0 RCX: 0000000080000100
RDX: 0000000000000001 RSI: ffffffff8230d8ec RDI: ffffc90000a086a0
RBP: ffffc90000a08670 R08: ffffc90000a08647 R09: 0000000000000000
R10: ffffc90000a08638 R11: ffffffff81b0e0e0 R12: ffff88808ea5be00
R13: 0000000000000000 R14: ffffffff81b0e0e0 R15: ffffc90000a085e8
 arch_stack_walk+0x10f/0x150 arch/x86/kernel/stacktrace.c:27
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2689 [inline]
 slab_free mm/slub.c:6251 [inline]
 kmem_cache_free+0x182/0x650 mm/slub.c:6378
 kfree_skb_reason include/linux/skbuff.h:1324 [inline]
 kfree_skb include/linux/skbuff.h:1333 [inline]
 ip6_mc_input+0x8de/0xbd0 net/ipv6/ip6_input.c:638
 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+0x76/0xd0 kernel/softirq.c:523
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0xf8/0x130 kernel/softirq.c:450
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:912 [inline]
 keep_key_fresh drivers/net/wireguard/send.c:135 [inline]
 wg_packet_create_data_done drivers/net/wireguard/send.c:259 [inline]
 wg_packet_tx_worker+0x586/0x7c0 drivers/net/wireguard/send.c:276
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3397
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3478
 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>
net_ratelimit: 9826 callbacks suppressed
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:7a:f3:c0:bb:d0:70, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:7a:f3:c0:bb:d0:70, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:7a:f3:c0:bb:d0:70, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
net_ratelimit: 12448 callbacks suppressed
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:7a:f3:c0:bb:d0:70, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:7a:f3:c0:bb:d0:70, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:7a:f3:c0:bb:d0:70, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)