bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:ad:f0:1d:d0:26, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: (detected by 0, t=10502 jiffies, g=61865, q=725 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294991879-4294981376), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g61865 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:26064 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.13.0-rc7-syzkaller-00102-gce69b4019001 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:tick_sched_do_timer kernel/time/tick-sched.c:238 [inline]
RIP: 0010:tick_nohz_handler+0xb7/0x500 kernel/time/tick-sched.c:290
Code: 75 19 e8 fc 81 0e 00 48 bd 00 00 00 00 00 fc ff df 4c 89 f7 e8 7a 0a 00 00 eb 0f e8 e3 81 0e 00 48 bd 00 00 00 00 00 fc ff df <4d> 8d 6f f8 4d 89 ec 49 c1 ec 03 41 80 3c 2c 00 74 08 4c 89 ef e8
RSP: 0018:ffffc90000a18ce8 EFLAGS: 00000006
RAX: ffffffff818d8f43 RBX: 0000000000000001 RCX: ffff88801d2e8000
RDX: 0000000000010100 RSI: 0000000000000004 RDI: 0000000000000001
RBP: dffffc0000000000 R08: ffffffff9a3f0d2b R09: 1ffffffff347e1a5
R10: dffffc0000000000 R11: fffffbfff347e1a6 R12: ffffc900001e6a98
R13: ffffffff8190ffe0 R14: 0000007f9a7eeed2 R15: ffff8880b872d198
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb98d90cc68 CR3: 000000007dc62000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x551/0xd30 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:2061 [inline]
RIP: 0010:vprintk_emit+0x700/0xa10 kernel/printk/printk.c:2431
Code: 00 e8 44 f1 20 00 4c 8d bc 24 a0 00 00 00 4d 85 e4 75 07 e8 32 f1 20 00 eb 06 e8 2b f1 20 00 fb 49 bc 00 00 00 00 00 fc ff df <48> c7 c7 a0 34 81 8e 31 f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00
RSP: 0018:ffffc900001e6b40 EFLAGS: 00000246
RAX: ffffffff817e9145 RBX: 0000000000000000 RCX: ffff88801d2e8000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001e6c50 R08: ffffffff817e911e R09: 1ffffffff2033076
R10: dffffc0000000000 R11: fffffbfff2033077 R12: dffffc0000000000
R13: 1ffff9200003cd6c R14: ffffffff817e8f80 R15: ffffc900001e6be0
_printk+0xd5/0x120 kernel/printk/printk.c:2457
br_fdb_update+0x6ce/0x740 net/bridge/br_fdb.c:897
br_handle_frame_finish+0x739/0x1fe0 net/bridge/br_input.c:141
br_nf_hook_thresh+0x472/0x590
br_nf_pre_routing_finish_ipv6+0xaa0/0xdd0
NF_HOOK include/linux/netfilter.h:314 [inline]
br_nf_pre_routing_ipv6+0x379/0x770 net/bridge/br_netfilter_ipv6.c:184
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]
br_handle_frame+0x9fd/0x1530 net/bridge/br_input.c:424
__netif_receive_skb_core+0x14eb/0x4690 net/core/dev.c:5598
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
process_backlog+0x662/0x15b0 net/core/dev.c:6149
__napi_poll+0xcb/0x490 net/core/dev.c:6902
napi_poll net/core/dev.c:6971 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7093
handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
run_ksoftirqd+0xca/0x130 kernel/softirq.c:950
smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:ad:f0:1d:d0:26, vlan:0)
bridge0: received packet on bridge_slave_0 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:52:ad:f0:1d:d0:26, vlan:0)
bridge0: received packet on bridge_slave_0 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:52:ad:f0:1d:d0:26, vlan:0)
net_ratelimit: 25912 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:ad:f0:1d:d0:26, 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:52:ad:f0:1d:d0:26, 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:52:ad:f0:1d:d0:26, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:ad:f0:1d:d0:26, vlan:0)
bridge0: received packet on bridge_slave_0 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:52:ad:f0:1d:d0:26, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)