bridge0: received packet on veth1_to_bridge with own address as source address (addr:d6:6c:6c:31:62:a9, vlan:0)
bridge0: received packet on veth1_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: (detected by 0, t=10502 jiffies, g=132873, q=1575 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 4189 (4295013771-4295009582), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 4190 jiffies! g132873 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:28040 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5504 [inline]
__schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
__schedule_loop kernel/sched/core.c:7307 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7322
schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x30c/0x11f0 kernel/rcu/tree.c:2123
rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2325
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
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: 5618 Comm: kworker/u9:2 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: krxrpcd rxrpc_peer_keepalive_worker
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:109 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:151 [inline]
RIP: 0010:__local_bh_disable_ip+0x3c/0xd0 kernel/softirq.c:391
Code: 00 0f 00 0f 85 97 00 00 00 9c 41 5e fa 65 01 1d 8a c3 b2 11 65 8b 05 83 c3 b2 11 31 d8 a9 00 ff 00 00 75 05 e8 65 22 1a 00 9c <58> a9 00 02 00 00 75 77 41 f7 c6 00 02 00 00 74 01 fb 65 8b 05 5b
RSP: 0018:ffffc90000a08740 EFLAGS: 00000006
RAX: 0000000080000100 RBX: 0000000000000200 RCX: ffff888036868000
RDX: 0000000000000100 RSI: 0000000000000200 RDI: ffffffff8a6aa211
RBP: ffffc90000a08950 R08: ffffc90000a088cf R09: 0000000000000000
R10: ffffc90000a088b0 R11: fffff5200014111a R12: ffff8880266a5d80
R13: dffffc0000000000 R14: 0000000000000246 R15: ffffc90000a08b40
FS: 0000000000000000(0000) GS:ffff88812537b000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1612ffff10 CR3: 0000000028d66000 CR4: 00000000003526f0
Call Trace:
local_bh_disable include/linux/bottom_half.h:20 [inline]
ip6t_do_table+0x1e3/0x15b0 net/ipv6/netfilter/ip6_tables.c:280
ip6table_mangle_hook+0x2b8/0x730 net/ipv6/netfilter/ip6table_mangle.c:73
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:6206 [inline]
__netif_receive_skb net/core/dev.c:6319 [inline]
process_backlog+0x774/0x1860 net/core/dev.c:6670
__napi_poll+0xaa/0x330 net/core/dev.c:7729
napi_poll net/core/dev.c:7792 [inline]
net_rx_action+0x61d/0xf50 net/core/dev.c:7949
handle_softirqs+0x225/0x840 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:1062 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:104 [inline]
RIP: 0010:__local_bh_enable_ip+0xd8/0x130 kernel/softirq.c:457
Code: 8b e8 3c 84 20 0a 65 66 8b 05 5c c1 b2 11 66 85 c0 75 32 bf 01 00 00 00 e8 f5 ee 0b 00 e8 00 94 46 00 fb 65 8b 05 38 c1 b2 11 <85> c0 75 05 e8 3f e0 ab ff 5b 41 5e e9 97 65 23 0a cc 90 0f 0b 90
RSP: 0018:ffffc900043679a8 EFLAGS: 00000246
RAX: 0000000080000000 RBX: 0000000000000201 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8c291100 RDI: ffffffff81878ef0
RBP: ffffc90004367af0 R08: ffffffff903114f7 R09: 1ffffffff206229e
R10: dffffc0000000000 R11: fffffbfff206229f R12: 00000000000002eb
R13: dffffc0000000000 R14: ffffffff8ace168f R15: 0000000000000014
spin_unlock_bh include/linux/spinlock.h:396 [inline]
rxrpc_peer_keepalive_worker+0x48f/0xe80 net/rxrpc/peer_event.c:352
process_one_work kernel/workqueue.c:3314 [inline]
process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3397
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3478
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
net_ratelimit: 17418 callbacks suppressed
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, 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 bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:d6:6c:6c:31:62:a9, 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: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:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:d6:6c:6c:31:62:a9, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:d6:6c:6c:31:62:a9, 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: 17416 callbacks suppressed
bridge0: received packet on veth1_to_bridge with own address as source address (addr:d6:6c:6c:31:62:a9, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:d6:6c:6c:31:62:a9, 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: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:1c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:d6:6c:6c:31:62:a9, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:d6:6c:6c:31:62:a9, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:d6:6c:6c:31:62:a9, vlan:0)