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:d2:2a:73:4a:ca:5d, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5182/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=21901, q=475 ncpus=2)
task:syslogd state:R running task stack:24656 pid:5182 tgid:5182 ppid:1 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0xe55/0x5740 kernel/sched/core.c:6690
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7012
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_release+0x35/0x6f0 kernel/locking/lockdep.c:5833
Code: fc ff df 41 57 41 56 41 55 41 54 49 89 fc 55 53 48 81 ec 90 00 00 00 48 8d 5c 24 10 48 89 74 24 08 48 c7 44 24 10 b3 8a b5 41 <48> c1 eb 03 48 c7 44 24 18 88 4f 7a 8d 48 01 d8 48 c7 44 24 20 50
RSP: 0018:ffffc90004d3f5e0 EFLAGS: 00000282
RAX: dffffc0000000000 RBX: ffffc90004d3f5f0 RCX: ffffffff81faf933
RDX: ffff88807a3ec880 RSI: ffffffff81faf90e RDI: ffffffff8e1b8340
RBP: ffff88801e091280 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff8e1b8340
R13: 0000000000000008 R14: 0000000000000003 R15: ffff88801e091238
rcu_lock_release include/linux/rcupdate.h:347 [inline]
rcu_read_unlock include/linux/rcupdate.h:880 [inline]
page_ext_put+0x43/0xd0 mm/page_ext.c:550
__reset_page_owner+0x28d/0x400 mm/page_owner.c:300
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1108 [inline]
free_unref_page+0x5f4/0xdc0 mm/page_alloc.c:2638
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x192/0x1e0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:247 [inline]
slab_post_alloc_hook mm/slub.c:4085 [inline]
slab_alloc_node mm/slub.c:4134 [inline]
__kmalloc_cache_noprof+0x11e/0x300 mm/slub.c:4290
kmalloc_noprof include/linux/slab.h:878 [inline]
tty_alloc_file drivers/tty/tty_io.c:186 [inline]
tty_open+0x140/0xf80 drivers/tty/tty_io.c:2123
chrdev_open+0x237/0x6a0 fs/char_dev.c:414
do_dentry_open+0x6ca/0x1530 fs/open.c:958
vfs_open+0x82/0x3f0 fs/open.c:1088
do_open fs/namei.c:3774 [inline]
path_openat+0x1e6a/0x2d60 fs/namei.c:3933
do_filp_open+0x1dc/0x430 fs/namei.c:3960
do_sys_openat2+0x17a/0x1e0 fs/open.c:1415
do_sys_open fs/open.c:1430 [inline]
__do_sys_openat fs/open.c:1446 [inline]
__se_sys_openat fs/open.c:1441 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1441
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f95426659a4
RSP: 002b:00007ffe21c44b10 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f95426659a4
RDX: 0000000000000901 RSI: 00007f95428043b3 RDI: 00000000ffffff9c
RBP: 00007f95428043b3 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000901
R13: 0000000000000901 R14: 0000000000000901 R15: 0000564a7851f410
rcu: rcu_preempt kthread starved for 1280 jiffies! g21901 f0x0 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:28448 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0xe55/0x5740 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2615
rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2045
rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2247
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.12.0-rc6-syzkaller-00279-gde2f378f2b77 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:__lock_acquire+0x319/0x3ce0 kernel/locking/lockdep.c:5138
Code: 02 00 0f 85 f0 2b 00 00 49 8d 45 18 4d 89 65 10 48 89 c2 48 89 44 24 48 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 85 eb 2b 00 00 48 8b 44 24 10 49 8d bf c4 0a 00 00 45 31 e4 48
RSP: 0018:ffffc90000156448 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11003a51174
RDX: 1ffff11003a51178 RSI: 00000000000007a1 RDI: ffff88801d288bb0
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000019 R11: 0000000000000000 R12: ffff8880b8640720
R13: ffff88801d288ba8 R14: 00000000000007a1 R15: ffff88801d288000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020a38030 CR3: 000000007939e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5825
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
backlog_lock_irq_save net/core/dev.c:233 [inline]
enqueue_to_backlog+0x16f/0xe60 net/core/dev.c:4878
netif_rx_internal+0x109/0x5f0 net/core/dev.c:5199
__netif_rx+0x88/0xb0 net/core/dev.c:5219
veth_forward_skb drivers/net/veth.c:322 [inline]
veth_xmit+0x836/0xad0 drivers/net/veth.c:375
__netdev_start_xmit include/linux/netdevice.h:4928 [inline]
netdev_start_xmit include/linux/netdevice.h:4937 [inline]
xmit_one net/core/dev.c:3588 [inline]
dev_hard_start_xmit+0x143/0x790 net/core/dev.c:3604
__dev_queue_xmit+0x7c7/0x4350 net/core/dev.c:4432
dev_queue_xmit include/linux/netdevice.h:3094 [inline]
br_dev_queue_push_xmit+0x274/0x880 net/bridge/br_forward.c:53
br_nf_dev_queue_xmit+0x6db/0x2a10 net/bridge/br_netfilter_hooks.c:948
NF_HOOK include/linux/netfilter.h:314 [inline]
NF_HOOK include/linux/netfilter.h:308 [inline]
br_nf_post_routing+0x8ee/0x11b0 net/bridge/br_netfilter_hooks.c:994
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xbb/0x200 net/netfilter/core.c:626
nf_hook+0x474/0x7d0 include/linux/netfilter.h:269
NF_HOOK include/linux/netfilter.h:312 [inline]
br_forward_finish+0xcd/0x130 net/bridge/br_forward.c:66
br_nf_hook_thresh+0x303/0x410 net/bridge/br_netfilter_hooks.c:1195
br_nf_forward_finish+0x66a/0xba0 net/bridge/br_netfilter_hooks.c:690
NF_HOOK include/linux/netfilter.h:314 [inline]
NF_HOOK include/linux/netfilter.h:308 [inline]
br_nf_forward_ip.part.0+0x610/0x820 net/bridge/br_netfilter_hooks.c:744
br_nf_forward_ip net/bridge/br_netfilter_hooks.c:704 [inline]
br_nf_forward+0xf11/0x1bd0 net/bridge/br_netfilter_hooks.c:801
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xbb/0x200 net/netfilter/core.c:626
nf_hook+0x474/0x7d0 include/linux/netfilter.h:269
NF_HOOK include/linux/netfilter.h:312 [inline]
__br_forward+0x1be/0x5b0 net/bridge/br_forward.c:115
deliver_clone+0x5b/0xa0 net/bridge/br_forward.c:131
br_flood+0x493/0x5c0 net/bridge/br_forward.c:245
br_handle_frame_finish+0xda5/0x1c80 net/bridge/br_input.c:215
br_nf_hook_thresh+0x303/0x410 net/bridge/br_netfilter_hooks.c:1195
br_nf_pre_routing_finish_ipv6+0x76a/0xfb0 net/bridge/br_netfilter_ipv6.c:154
NF_HOOK include/linux/netfilter.h:314 [inline]
br_nf_pre_routing_ipv6+0x3ce/0x8c0 net/bridge/br_netfilter_ipv6.c:184
br_nf_pre_routing+0x860/0x15b0 net/bridge/br_netfilter_hooks.c:533
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]
br_handle_frame+0x9eb/0x1490 net/bridge/br_input.c:424
__netif_receive_skb_core.constprop.0+0xa3d/0x4330 net/core/dev.c:5564
__netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5668
__netif_receive_skb+0x1d/0x160 net/core/dev.c:5783
process_backlog+0x443/0x15f0 net/core/dev.c:6115
__napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6779
napi_poll net/core/dev.c:6848 [inline]
net_rx_action+0xa92/0x1010 net/core/dev.c:6970
handle_softirqs+0x213/0x8f0 kernel/softirq.c:554
run_ksoftirqd kernel/softirq.c:927 [inline]
run_ksoftirqd+0x3a/0x60 kernel/softirq.c:919
smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
net_ratelimit: 24648 callbacks suppressed
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:d2:2a:73:4a:ca:5d, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:2a:73:4a:ca:5d, 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 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:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:2a:73:4a:ca:5d, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:2a:73:4a:ca:5d, 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
net_ratelimit: 26608 callbacks suppressed
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 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:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:2a:73:4a:ca:5d, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:2a:73:4a:ca:5d, 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 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:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:2a:73:4a:ca:5d, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:2a:73:4a:ca:5d, vlan:0)