bridge0: received packet on veth1_to_bridge with own address as source address (addr:12:57:3c:3b:a4:0a, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: (detected by 1, t=10502 jiffies, g=50985, q=1591 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 3616 (4295000386-4294996770), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 3616 jiffies! g50985 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:27496 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5510 [inline]
__schedule+0x17d4/0x5630 kernel/sched/core.c:7239
__schedule_loop kernel/sched/core.c:7316 [inline]
schedule+0x164/0x2b0 kernel/sched/core.c:7331
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+0x38b/0x480 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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 1308 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:find_held_lock kernel/locking/lockdep.c:-1 [inline]
RIP: 0010:__lock_release kernel/locking/lockdep.c:5553 [inline]
RIP: 0010:lock_release+0x111/0x3c0 kernel/locking/lockdep.c:5907
Code: 24 83 f8 32 0f 83 2a 02 00 00 4a 8d 1c ad 00 00 00 00 4c 01 eb 48 8d 6c dd 00 48 89 ef 4c 89 f6 e8 c4 18 36 0a 44 89 64 24 14 <45> 89 e5 85 c0 0f 84 d7 00 00 00 48 85 ed 0f 84 13 01 00 00 83 7d
RSP: 0018:ffffc90000006cd8 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 000000000000000f RCX: 8000000001000102
RDX: 8000000001000101 RSI: ffff888077e0d2c0 RDI: ffff888022f1e9e0
RBP: ffff888022f1e9e0 R08: 0000000001000101 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000d98 R12: 0000000000000003
R13: 0000000000000003 R14: ffff888077e0d2c0 R15: ffff888022f1ddc0
FS: 0000000000000000(0000) GS:ffff888124f21000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f88b53f5ff8 CR3: 000000007f1b4000 CR4: 00000000003526f0
Call Trace:
__raw_spin_unlock include/linux/spinlock_api_smp.h:199 [inline]
_raw_spin_unlock+0x16/0x50 kernel/locking/spinlock.c:213
spin_unlock include/linux/spinlock.h:401 [inline]
advance_sched+0x99a/0xc80 net/sched/sch_taprio.c:989
__run_hrtimer kernel/time/hrtimer.c:2067 [inline]
__hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2124
hrtimer_interrupt+0x4cd/0xaa0 kernel/time/hrtimer.c:2243
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1051 [inline]
__sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1068
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:rt6_score_route+0x0/0x380 net/ipv6/route.c:753
Code: 89 ff e8 23 03 b3 f7 e9 12 ff ff ff 66 66 66 66 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 <55> 41 57 41 56 41 55 41 54 53 89 cd 89 d3 41 89 f7 49 89 fe 49 bd
RSP: 0018:ffffc90000007110 EFLAGS: 00000246
RAX: ffffffff8a856beb RBX: ffff888059274cc8 RCX: 0000000000000003
RDX: 000000000000001b RSI: 0000000000000001 RDI: ffff888059274cc8
RBP: 1ffff1100b24e999 R08: 0000000000000100 R09: ffffc90000007430
R10: ffffc90000007280 R11: fffff52000000e52 R12: 0000000000000003
R13: ffff888059274cc8 R14: 1ffff1100b24e99b R15: 0000000000000001
find_match+0x119/0xb40 net/ipv6/route.c:788
__find_rr_leaf+0x243/0x740 net/ipv6/route.c:872
find_rr_leaf net/ipv6/route.c:893 [inline]
rt6_select net/ipv6/route.c:937 [inline]
fib6_table_lookup+0x3c6/0xae0 net/ipv6/route.c:2255
ip6_pol_route+0x229/0x14d0 net/ipv6/route.c:2292
pol_lookup_func include/net/ip6_fib.h:672 [inline]
__fib6_rule_action net/ipv6/fib6_rules.c:240 [inline]
fib6_rule_action+0x9d7/0xc00 net/ipv6/fib6_rules.c:278
fib_rules_lookup+0x770/0xeb0 net/core/fib_rules.c:338
fib6_rule_lookup+0x1a0/0x730 net/ipv6/fib6_rules.c:115
ip6_route_input_lookup net/ipv6/route.c:2363 [inline]
ip6_route_input+0x78d/0xb20 net/ipv6/route.c:2666
ip6_rcv_finish+0x141/0x280 net/ipv6/ip6_input.c:117
NF_HOOK+0x336/0x3c0 include/linux/netfilter.h:325
__netif_receive_skb_one_core net/core/dev.c:6264 [inline]
__netif_receive_skb net/core/dev.c:6377 [inline]
process_backlog+0x795/0x18b0 net/core/dev.c:6728
__napi_poll+0xaa/0x330 net/core/dev.c:7787
napi_poll net/core/dev.c:7850 [inline]
net_rx_action+0x61d/0xf50 net/core/dev.c:8007
handle_softirqs+0x226/0x860 kernel/softirq.c:645
do_softirq+0x77/0xd0 kernel/softirq.c:546
__local_bh_enable_ip+0x100/0x140 kernel/softirq.c:473
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:914 [inline]
__dev_queue_xmit+0x1edc/0x3820 net/core/dev.c:4961
dev_queue_xmit include/linux/netdevice.h:3461 [inline]
tx+0x6b/0x190 drivers/block/aoe/aoenet.c:62
kthread+0x1ed/0x420 drivers/block/aoe/aoecmd.c:1241
kthread+0x38b/0x480 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: 14842 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: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:12:57:3c:3b:a4:0a, 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: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)
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)
net_ratelimit: 14177 callbacks suppressed
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: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)
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: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:aa:aa:aa:aa:aa:0c, vlan:0)