bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P19826/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=107289, q=1999 ncpus=2)
task:syz.4.3657 state:R running task stack:25768 pid:19826 tgid:19823 ppid:18427 task_flags:0x400140 flags:0x00080003
Call Trace:
context_switch kernel/sched/core.c:5387 [inline]
__schedule+0x17b4/0x5680 kernel/sched/core.c:7188
preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7369
preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
__local_bh_enable_ip+0xe1/0x130 kernel/softirq.c:457
nl80211_netlink_notify+0x46b/0x840 net/wireless/nl80211.c:22515
notifier_call_chain+0x1ad/0x3d0 kernel/notifier.c:85
blocking_notifier_call_chain+0x6a/0x90 kernel/notifier.c:380
netlink_release+0x123b/0x1ad0 net/netlink/af_netlink.c:761
__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
get_signal+0x11eb/0x1330 kernel/signal.c:2809
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: 0033:0x7f4473b9cdd9
RSP: 002b:00007f4474986028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 000000000000001c RBX: 00007f4473e15fa0 RCX: 00007f4473b9cdd9
RDX: 0000000004008054 RSI: 0000200000000200 RDI: 0000000000000009
RBP: 00007f4473c32d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4473e16038 R14: 00007f4473e15fa0 R15: 00007ffc1fb90108
rcu: rcu_preempt kthread starved for 1740 jiffies! g107289 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:R running task stack:27544 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
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
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: 1316 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__raw_callee_save___pv_queued_spin_unlock+0x10/0x18
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 52 b8 01 00 00 00 31 d2 f0 0f b0 17 <75> 06 5a c3 cc cc cc cc 56 0f b6 f0 e8 9f ff ff ff 5e 5a c3 cc cc
RSP: 0018:ffffc90000a08060 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffff888021ef92a8 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888021ef92a8
RBP: 1ffff110043df256 R08: ffff888021ef92ab R09: 1ffff110043df255
R10: dffffc0000000000 R11: ffffed10043df256 R12: dffffc0000000000
R13: 1ffff110043df257 R14: ffff888021ef92b8 R15: ffff888021ef92b0
FS: 0000000000000000(0000) GS:ffff888125390000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c356212 CR3: 00000000341da000 CR4: 00000000003526f0
Call Trace:
pv_queued_spin_unlock arch/x86/include/asm/paravirt-spinlock.h:40 [inline]
queued_spin_unlock arch/x86/include/asm/paravirt-spinlock.h:72 [inline]
do_raw_spin_unlock+0xf5/0x210 kernel/locking/spinlock_debug.c:142
__raw_spin_unlock include/linux/spinlock_api_smp.h:168 [inline]
_raw_spin_unlock+0x1e/0x50 kernel/locking/spinlock.c:190
spin_unlock include/linux/spinlock.h:390 [inline]
advance_sched+0x94f/0xc20 net/sched/sch_taprio.c:988
__run_hrtimer kernel/time/hrtimer.c:1930 [inline]
__hrtimer_run_queues+0x3c0/0xa20 kernel/time/hrtimer.c:1994
hrtimer_interrupt+0x44b/0x950 kernel/time/hrtimer.c:2113
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:deref_stack_reg+0x19f/0x230 arch/x86/kernel/unwind_orc.c:422
Code: 20 c2 20 ca 80 fa 01 75 46 49 8d 40 08 48 39 d8 0f 97 c1 4c 39 f0 0f 96 c0 20 c8 3c 01 75 30 4c 89 c7 49 89 f7 e8 11 08 00 00 <49> 89 c6 48 8b 5c 24 18 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08
RSP: 0018:ffffc90000a08460 EFLAGS: 00000202
RAX: ffffc90000a08720 RBX: ffffc90000a01000 RCX: 0000000000000001
RDX: ffffc90000a08628 RSI: dffffc0000000000 RDI: ffffc90000a08670
RBP: 1ffff920001410bd R08: ffffc90000a08670 R09: 0000000000000000
R10: ffffc90000a08638 R11: fffff520001410c9 R12: 1ffff920001410be
R13: 1ffff920001410bf R14: ffffc90000a09000 R15: dffffc0000000000
unwind_next_frame+0x19d5/0x2550 arch/x86/kernel/unwind_orc.c:-1
__unwind_start+0x5b8/0x760 arch/x86/kernel/unwind_orc.c:787
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0xe3/0x150 arch/x86/kernel/stacktrace.c:24
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
kfree_skb_reason include/linux/skbuff.h:1322 [inline]
kfree_skb include/linux/skbuff.h:1331 [inline]
ip6_mc_input+0x8de/0xbd0 net/ipv6/ip6_input.c:638
NF_HOOK+0x336/0x3c0 include/linux/netfilter.h:318
__netif_receive_skb_one_core net/core/dev.c:6202 [inline]
__netif_receive_skb net/core/dev.c:6315 [inline]
process_backlog+0x7dd/0x1950 net/core/dev.c:6666
__napi_poll+0xae/0x340 net/core/dev.c:7730
napi_poll net/core/dev.c:7793 [inline]
net_rx_action+0x627/0xf70 net/core/dev.c:7950
handle_softirqs+0x22a/0x840 kernel/softirq.c:622
do_softirq+0x76/0xd0 kernel/softirq.c:523
__local_bh_enable_ip+0xf8/0x130 kernel/softirq.c:450
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:912 [inline]
__dev_queue_xmit+0x1fe5/0x3950 net/core/dev.c:4905
dev_queue_xmit include/linux/netdevice.h:3418 [inline]
tx+0x6b/0x190 drivers/block/aoe/aoenet.c:62
kthread+0x1e0/0x3f0 drivers/block/aoe/aoecmd.c:1241
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: 13129 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
net_ratelimit: 10790 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:24:f8:c2:7c:b3, vlan:1)