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): P57/1:b..l P5202/1:b..l P11258/1:b..l
rcu: 	(detected by 1, t=10503 jiffies, g=40173, q=396 ncpus=2)
task:syz.2.1461      state:R  running task     stack:24600 pid:11258 tgid:11257 ppid:5840   task_flags:0x40054c flags:0x00080001
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5387 [inline]
 __schedule+0x17b4/0x5680 kernel/sched/core.c:7188
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7512
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:547 [inline]
 irqentry_exit+0x14f/0x730 kernel/entry/common.c:164
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:229 [inline]
RIP: 0010:unwind_next_frame+0x230/0x2550 arch/x86/kernel/unwind_orc.c:510
Code: 07 76 91 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 48 89 eb 0f 85 85 1d 00 00 45 8b 6d 00 44 89 f8 ff c0 48 8d 2c 85 80 07 76 91 <48> 89 e8 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 85 1d 00 00 44 8b 45
RSP: 0018:ffffc9000e86f498 EFLAGS: 00000202
RAX: 00000000000a9f76 RBX: dffffc0000000000 RCX: 0000000080000000
RDX: 00000000000abcbb RSI: ffffffff8c289f40 RDI: ffffffff8c289f00
RBP: ffffffff91a08558 R08: ffffffff81771256 R09: ffffffff8e95cce0
R10: ffffc9000e86f5b8 R11: ffffffff81b105c0 R12: ffffffff8b9f7538
R13: 00000000001d5079 R14: ffffc9000e86f568 R15: 00000000000a9f75
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 save_stack+0x122/0x230 mm/page_owner.c:165
 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:320
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1402 [inline]
 __free_frozen_pages+0xbc7/0xd30 mm/page_alloc.c:2943
 vfree+0x1d1/0x2f0 mm/vmalloc.c:3472
 xskq_destroy+0x40/0x60 net/xdp/xsk_queue.c:64
 xsk_release+0x709/0x9c0 net/xdp/xsk.c:1326
 __sock_release net/socket.c:722 [inline]
 sock_close+0xc3/0x240 net/socket.c:1514
 __fput+0x44f/0xa60 fs/file_table.c:510
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x70f/0x22c0 kernel/exit.c:975
 do_group_exit+0x21b/0x2d0 kernel/exit.c:1117
 get_signal+0x1284/0x1330 kernel/signal.c:3037
 arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
 exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:238 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x33e/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f16d6f9cdd9
RSP: 002b:00007f16d7dfb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: 0000000000000000 RBX: 00007f16d7215fa0 RCX: 00007f16d6f9cdd9
RDX: 0000000000000002 RSI: 000000000000011b RDI: 0000000000000009
RBP: 00007f16d7032d69 R08: 0000000000000004 R09: 0000000000000000
R10: 0000200000000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f16d7216038 R14: 00007f16d7215fa0 R15: 00007ffe8214cf68
 </TASK>
task:klogd           state:R  running task     stack:23416 pid:5202  tgid:5202  ppid:1      task_flags:0x400100 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5387 [inline]
 __schedule+0x17b4/0x5680 kernel/sched/core.c:7188
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7512
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:547 [inline]
 irqentry_exit+0x14f/0x730 kernel/entry/common.c:164
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 78b0:__start_orc_unwind+0x8fa835/0xb661b4
Code: 00 f0 ff 83 02 08 00 00 00 03 02 40 00 f0 ff 83 02 00 00 00 00 00 00 08 00 00 00 03 02 10 00 f0 ff 83 02 18 00 f0 ff 83 02 20 <00> f0 ff 83 02 28 00 f0 ff 83 02 30 00 f0 ff 83 02 38 00 f0 ff 83
RSP: 1256:ffffc90002fc73a8 EFLAGS: ffffc90002fc0000 ORIG_RAX: ffffffff81aba9f3
RAX: 1ffff1100fea8098 RBX: ffff88807f540000 RCX: ffffc90002fc0000
RDX: ffff88807f5404c8 RSI: dffffc0000000000 RDI: dffffc0000000000
RBP: ffff88807f5404c8 R08: ffff88807f5404c4 R09: 0000000000000046
R10: ffff88807f540bb8 R11: ffffffff81abaaa4 R12: 1ffff1100fea8098
R13: 0000000000000246 R14: ffffffff81cdfd4b R15: ffff88807f540000
 </TASK>
task:kworker/u8:4    state:R  running task     stack:21384 pid:57    tgid:57    ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue:  0x0 (bond1)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5387 [inline]
 __schedule+0x17b4/0x5680 kernel/sched/core.c:7188
 preempt_schedule_notrace+0x57/0x90 kernel/sched/core.c:7462
 preempt_schedule_notrace_thunk+0x16/0x30 arch/x86/entry/thunk.S:13
 rcu_is_watching+0x7f/0xb0 kernel/rcu/tree.c:753
 rcu_read_lock include/linux/rcupdate.h:839 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1181 [inline]
 unwind_next_frame+0xd5/0x2550 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 save_stack+0x122/0x230 mm/page_owner.c:165
 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:320
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1402 [inline]
 __free_frozen_pages+0xbc7/0xd30 mm/page_alloc.c:2943
 __slab_free+0x274/0x2c0 mm/slub.c:5608
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_kmalloc+0x22/0xb0 mm/kasan/common.c:406
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_node_noprof+0x3ef/0x6b0 mm/slub.c:5427
 kmalloc_node_noprof include/linux/slab.h:1077 [inline]
 alloc_worker kernel/workqueue.c:2686 [inline]
 create_worker+0x113/0x7e0 kernel/workqueue.c:2829
 maybe_create_worker kernel/workqueue.c:3101 [inline]
 manage_workers kernel/workqueue.c:3178 [inline]
 worker_thread+0x4d8/0xfc0 kernel/workqueue.c:3441
 kthread+0x388/0x470 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: rcu_preempt kthread starved for 10450 jiffies! g40173 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:I stack:27536 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5387 [inline]
 __schedule+0x17b4/0x5680 kernel/sched/core.c:7188
 __schedule_loop kernel/sched/core.c:7267 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7282
 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+0x388/0x470 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: 1 UID: 0 PID: 6440 Comm: kworker/R-bond1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bond1 bond_mii_monitor
RIP: 0010:__is_kernel_text include/asm-generic/sections.h:213 [inline]
RIP: 0010:is_kernel_text include/linux/kallsyms.h:29 [inline]
RIP: 0010:core_kernel_text kernel/extable.c:68 [inline]
RIP: 0010:kernel_text_address+0x12/0xe0 kernel/extable.c:99
Code: 5b c3 cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 55 41 56 53 48 81 ff 00 00 00 81 0f 93 c0 <48> 81 ff a8 b9 bc 8b 0f 92 c1 bd 01 00 00 00 84 c8 75 0c 48 89 fb
RSP: 0018:ffffc90000a075b8 EFLAGS: 00000206
RAX: 0000000000000001 RBX: ffffffff8bb8dc66 RCX: 0000000080000101
RDX: 0000000000000003 RSI: ffffffff8e24f3ee RDI: ffffffff8bb8dc66
RBP: ffffc90000a07690 R08: ffffc90000a07667 R09: 0000000000000000
R10: ffffc90000a07658 R11: fffff52000140ecd R12: ffff888031080000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000140eca
FS:  0000000000000000(0000) GS:ffff888125313000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ce9de0008 CR3: 0000000075b4a000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 __kernel_text_address+0xd/0x30 kernel/extable.c:79
 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:385
 arch_stack_walk+0xfb/0x150 arch/x86/kernel/stacktrace.c:26
 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:6246 [inline]
 kmem_cache_free+0x182/0x650 mm/slub.c:6373
 skb_ext_del include/linux/skbuff.h:5099 [inline]
 nf_bridge_info_free net/bridge/br_netfilter_hooks.c:157 [inline]
 br_nf_dev_queue_xmit+0x4ee/0x25f0 net/bridge/br_netfilter_hooks.c:852
 NF_HOOK+0x64e/0x6e0 include/linux/netfilter.h:318
 br_nf_post_routing+0xb66/0xfe0 net/bridge/br_netfilter_hooks.c:960
 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+0x23e/0x3f0 include/linux/netfilter.h:316
 br_forward_finish+0xd3/0x130 net/bridge/br_forward.c:66
 br_nf_hook_thresh net/bridge/br_netfilter_hooks.c:1161 [inline]
 br_nf_forward_finish+0xa5e/0xe90 net/bridge/br_netfilter_hooks.c:663
 NF_HOOK+0x64e/0x6e0 include/linux/netfilter.h:318
 br_nf_forward_ip+0x7ef/0xa30 net/bridge/br_netfilter_hooks.c:717
 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+0x23e/0x3f0 include/linux/netfilter.h:316
 __br_forward+0x397/0x540 net/bridge/br_forward.c:115
 deliver_clone net/bridge/br_forward.c:131 [inline]
 maybe_deliver net/bridge/br_forward.c:191 [inline]
 br_flood+0x6ee/0xb80 net/bridge/br_forward.c:238
 br_handle_frame_finish+0x1521/0x1c80 net/bridge/br_input.c:229
 br_nf_hook_thresh+0x3dd/0x4c0 net/bridge/br_netfilter_hooks.c:-1
 br_nf_pre_routing_finish_ipv6+0x91f/0xc30 net/bridge/br_netfilter_ipv6.c:-1
 NF_HOOK include/linux/netfilter.h:318 [inline]
 br_nf_pre_routing_ipv6+0x374/0x6f0 net/bridge/br_netfilter_ipv6.c:183
 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
 nf_hook_bridge_pre net/bridge/br_input.c:291 [inline]
 br_handle_frame+0x1277/0x1510 net/bridge/br_input.c:442
 __netif_receive_skb_core+0x98f/0x3170 net/core/dev.c:6096
 __netif_receive_skb_one_core net/core/dev.c:6207 [inline]
 __netif_receive_skb net/core/dev.c:6322 [inline]
 process_backlog+0x76d/0x1950 net/core/dev.c:6673
 __napi_poll+0xae/0x340 net/core/dev.c:7737
 napi_poll net/core/dev.c:7800 [inline]
 net_rx_action+0x627/0xf70 net/core/dev.c:7957
 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 fa 6e e6 f5 48 89 df e8 02 e4 e6 f5 e8 0d 6f 12 f6 fb bf 01 00 00 00 <e8> 62 66 d8 f5 65 8b 05 ab 42 85 07 85 c0 74 07 5b e9 d1 47 00 00
RSP: 0018:ffffc90005117a90 EFLAGS: 00000206
RAX: 0000000000053417 RBX: ffff88801aeb3000 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8dfd8f45 RDI: 0000000000000001
RBP: ffffc90005117cb8 R08: ffffffff903386f7 R09: 1ffffffff20670de
R10: dffffc0000000000 R11: fffffbfff20670df R12: 0000000002000000
R13: ffff88805a1511a8 R14: dffffc0000000000 R15: ffff88803633e418
 process_one_work kernel/workqueue.c:3271 [inline]
 process_scheduled_works+0x953/0x1860 kernel/workqueue.c:3385
 rescuer_thread+0x827/0x1130 kernel/workqueue.c:3609
 kthread+0x388/0x470 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>
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)