ICMPv6: NA: aa:aa:aa:aa:aa:0c advertised our address fe80::a8aa:aaff:feaa:aa0c on bridge0!
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
ICMPv6: NA: aa:aa:aa:aa:aa:0c advertised our address fe80::a8aa:aaff:feaa:aa0c on bridge0!
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10502 jiffies, g=130969, q=2573 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 6273 (4295017975-4295011702), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 6274 jiffies! g130969 f0x2 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:27536 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: 1317 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:timekeeping_cycles_to_ns kernel/time/timekeeping.c:432 [inline]
RIP: 0010:timekeeping_get_ns kernel/time/timekeeping.c:449 [inline]
RIP: 0010:ktime_get_update_offsets_now+0xd4/0x3e0 kernel/time/timekeeping.c:2728
Code: 5e 94 18 4c 2b 2d 64 5e 94 18 48 8b 2d 4d 5e 94 18 48 83 c5 28 48 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <74> 08 48 89 ef e8 a2 c7 7d 00 4d 21 f5 48 8b 6d 00 4c 89 ef 48 89
RSP: 0018:ffffc90000a07768 EFLAGS: 00000046
RAX: 1ffffffff1cf0539 RBX: 0000000000025790 RCX: dffffc0000000000
RDX: 00000000000001a4 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffffff8e7829c8 R08: ffffffff81b3470d R09: ffffffff9a47a588
R10: dffffc0000000000 R11: fffff52000140ee8 R12: ffff8880b8728280
R13: 00000000021c33c4 R14: ffffffffffffffff R15: 000000bc1a5c5e5f
FS:  0000000000000000(0000) GS:ffff8881253a0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000004a6000 CR3: 00000000739f6000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 hrtimer_update_base kernel/time/hrtimer.c:683 [inline]
 hrtimer_interrupt+0x135/0x950 kernel/time/hrtimer.c:2096
 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:on_stack arch/x86/include/asm/stacktrace.h:55 [inline]
RIP: 0010:stack_access_ok arch/x86/kernel/unwind_orc.c:409 [inline]
RIP: 0010:deref_stack_regs arch/x86/kernel/unwind_orc.c:434 [inline]
RIP: 0010:unwind_next_frame+0xf68/0x2550 arch/x86/kernel/unwind_orc.c:625
Code: 64 24 18 4d 8d 6e 08 4d 89 ec 49 c1 ec 03 41 80 3c 2c 00 74 08 4c 89 ef e8 25 1e ba 00 4c 89 6c 24 68 48 89 9c 24 80 00 00 00 <4d> 8b 6e 08 49 8d 5e 10 48 89 dd 48 c1 ed 03 48 b8 00 00 00 00 00
RSP: 0018:ffffc90000a079f8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff90bb70f5 RCX: ffffffff9042bd48
RDX: ffffffff90bb70f0 RSI: 0000000000000003 RDI: ffffffff8c28b880
RBP: dffffc0000000000 R08: 0000000000000018 R09: ffffffff8e95cc20
R10: ffffc90000a07b18 R11: ffffffff81b0e0e0 R12: 1ffff92000140f5a
R13: ffffc90000a07ad0 R14: ffffc90000a07ac8 R15: 1ffffffff2176e1e
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 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]
 ip_rcv_finish_core+0x100a/0x1c00 net/ipv4/ip_input.c:469
 ip_rcv_finish+0x14c/0x2a0 net/ipv4/ip_input.c:490
 ip_sabotage_in+0x1e1/0x270 net/bridge/br_netfilter_hooks.c:988
 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
 __netif_receive_skb_one_core net/core/dev.c:6202 [inline]
 __netif_receive_skb net/core/dev.c:6315 [inline]
 netif_receive_skb_internal net/core/dev.c:6401 [inline]
 netif_receive_skb+0x45b/0xbf0 net/core/dev.c:6460
 NF_HOOK+0xa4/0x3a0 include/linux/netfilter.h:318
 br_handle_frame_finish+0x1541/0x1c80 net/bridge/br_input.c:-1
 br_nf_hook_thresh net/bridge/br_netfilter_hooks.c:-1 [inline]
 br_nf_pre_routing_finish+0x13d7/0x1a90 net/bridge/br_netfilter_hooks.c:430
 NF_HOOK+0x64e/0x6e0 include/linux/netfilter.h:318
 br_nf_pre_routing+0xed5/0x14c0 net/bridge/br_netfilter_hooks.c:539
 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:6089
 __netif_receive_skb_one_core net/core/dev.c:6200 [inline]
 __netif_receive_skb net/core/dev.c:6315 [inline]
 process_backlog+0x76d/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:finish_task_switch+0x427/0xbe0 kernel/sched/core.c:5245
Code: 41 c7 84 24 e0 0d 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 46 2a 15 0a e8 b1 fd 38 00 fb 49 8d bd c8 16 00 00 <48> 89 f8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 7b 03 00 00 41 80
RSP: 0018:ffffc90005defa10 EFLAGS: 00000202
RAX: 000000000003efab RBX: 1ffff110170e77cc RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8dfa4d4f RDI: ffff888028fb54c8
RBP: ffffc90005defa70 R08: ffffffff903034f7 R09: 1ffffffff206069e
R10: dffffc0000000000 R11: fffffbfff206069f R12: ffff8880b873b0c8
R13: ffff888028fb3e00 R14: ffff888029ea8000 R15: dffffc0000000000
 context_switch kernel/sched/core.c:5391 [inline]
 __schedule+0x1829/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 kthread+0x2cb/0x3f0 drivers/block/aoe/aoecmd.c:1248
 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: 30267 callbacks suppressed
ICMPv6: NA: aa:aa:aa:aa:aa:0c advertised our address fe80::a8aa:aaff:feaa:aa0c on bridge0!
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 bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
ICMPv6: NA: aa:aa:aa:aa:aa:0c advertised our address fe80::a8aa:aaff:feaa:aa0c on bridge0!
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 bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
ICMPv6: NA: aa:aa:aa:aa:aa:0c advertised our address fe80::a8aa:aaff:feaa:aa0c on bridge0!
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:aa:aa:aa:aa:aa:0c, vlan:0)
net_ratelimit: 39024 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 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)
ICMPv6: NA: aa:aa:aa:aa:aa:0c advertised our address fe80::a8aa:aaff:feaa:aa0c on bridge0!
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 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)
ICMPv6: NA: aa:aa:aa:aa:aa:0c advertised our address fe80::a8aa:aaff:feaa:aa0c on bridge0!
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
ICMPv6: NA: aa:aa:aa:aa:aa:0c advertised our address fe80::a8aa:aaff:feaa:aa0c on bridge0!