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)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5216/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=165257, q=164 ncpus=1)
task:syz-executor state:R running task stack:24240 pid:5216 tgid:5216 ppid:5184 task_flags:0x400140 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0xf43/0x5890 kernel/sched/core.c:6764
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7086
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:in_irqentry_text kernel/stacktrace.c:380 [inline]
RIP: 0010:filter_irq_stacks+0x48/0x90 kernel/stacktrace.c:397
Code: ea 03 80 3c 1a 00 75 4a 48 8b 17 48 81 fa 30 02 00 81 72 16 48 81 fa 70 16 00 81 73 0d 83 c0 01 48 83 c4 10 5b c3 cc cc cc cc <48> 81 fa e0 36 49 8b 72 09 48 81 fa fb 36 49 8b 72 e1 83 c0 01 48
RSP: 0018:ffffc9000c48f700 EFLAGS: 00000202
RAX: 000000000000000b RBX: dffffc0000000000 RCX: 0000000000000001
RDX: ffffffff8b462a6d RSI: 000000000000000d RDI: ffffc9000c48f7f8
RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff20bfb02
R10: ffffffff905fd817 R11: 0000000000000002 R12: 0000000000002800
R13: ffffc9000c48f7a0 R14: dffffc0000000000 R15: ffffea0001a3bad0
stack_depot_save_flags+0x28/0x9e0 lib/stackdepot.c:609
save_stack+0x16f/0x1f0 mm/page_owner.c:157
__reset_page_owner+0x8d/0x400 mm/page_owner.c:297
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
__put_partials+0x14c/0x170 mm/slub.c:3153
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
kmem_cache_alloc_noprof+0x1c8/0x3b0 mm/slub.c:4171
alloc_empty_file+0x73/0x1e0 fs/file_table.c:228
path_openat+0xe1/0x2d80 fs/namei.c:3975
do_filp_open+0x20c/0x470 fs/namei.c:4016
do_sys_openat2+0x17a/0x1e0 fs/open.c:1427
do_sys_open fs/open.c:1442 [inline]
__do_sys_openat fs/open.c:1458 [inline]
__se_sys_openat fs/open.c:1453 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1453
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: 0033:0x7f12db38c6e1
RSP: 002b:00007fffa1e35080 EFLAGS: 00000287 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f12db40e08c RCX: 00007f12db38c6e1
RDX: 0000000000090800 RSI: 00007fffa1e36230 RDI: 00000000ffffff9c
RBP: 00007fffa1e3621c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000287 R12: 00007fffa1e36230
R13: 00007f12db40e08c R14: 00000000001066de R15: 00007fffa1e36270
rcu: rcu_preempt kthread starved for 481 jiffies! g165257 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:26240 pid:17 tgid:17 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5377 [inline]
__schedule+0xf43/0x5890 kernel/sched/core.c:6764
__schedule_loop kernel/sched/core.c:6841 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6856
schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2024
rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2226
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 3398 Comm: kworker/R-bat_e Tainted: G U 6.14.0-rc1-syzkaller-00028-g5c8c229261f1 #0
Tainted: [U]=USER
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: bat_events batadv_tt_purge
RIP: 0010:veth_xmit+0x534/0xad0 drivers/net/veth.c:370
Code: 00 00 48 b8 00 00 00 00 00 fc ff df 49 c1 e4 0a 4d 03 a5 98 0d 00 00 49 8d bc 24 b0 01 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 cd 04 00 00 49 8b 84 24 b0 01 00 00 48 85 c0 0f 84 88 00 00
RSP: 0018:ffffc90000006948 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffff88815ee5d8c0 RCX: ffffffff8662bd49
RDX: 1ffff1100bbbb236 RSI: ffffffff8662c05a RDI: ffff88805ddd91b0
RBP: ffff88807a0b8000 R08: 0000000000000004 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000006 R12: ffff88805ddd9000
R13: ffff888061ed0000 R14: 0000000000000000 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555771ee5c8 CR3: 000000002d89a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__netdev_start_xmit include/linux/netdevice.h:5144 [inline]
netdev_start_xmit include/linux/netdevice.h:5153 [inline]
xmit_one net/core/dev.c:3735 [inline]
dev_hard_start_xmit+0x9a/0x7b0 net/core/dev.c:3751
__dev_queue_xmit+0x7f0/0x43e0 net/core/dev.c:4584
dev_queue_xmit include/linux/netdevice.h:3305 [inline]
br_dev_queue_push_xmit+0x274/0x8a0 net/bridge/br_forward.c:53
br_nf_dev_queue_xmit+0x6db/0x2a10 net/bridge/br_netfilter_hooks.c:923
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:969
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:1170
br_nf_forward_finish+0x66a/0xba0 net/bridge/br_netfilter_hooks.c:665
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:719
br_nf_forward_ip net/bridge/br_netfilter_hooks.c:679 [inline]
br_nf_forward+0xf11/0x1bd0 net/bridge/br_netfilter_hooks.c:776
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+0x491/0x5e0 net/bridge/br_forward.c:249
br_handle_frame_finish+0xea2/0x1c90 net/bridge/br_input.c:220
br_nf_hook_thresh+0x303/0x410 net/bridge/br_netfilter_hooks.c:1170
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:508
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:282 [inline]
br_handle_frame+0xa81/0x14c0 net/bridge/br_input.c:433
__netif_receive_skb_core.constprop.0+0xa20/0x4330 net/core/dev.c:5722
__netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5826
__netif_receive_skb+0x1d/0x160 net/core/dev.c:5941
process_backlog+0x443/0x15f0 net/core/dev.c:6289
__napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:7106
napi_poll net/core/dev.c:7175 [inline]
net_rx_action+0xa94/0x1010 net/core/dev.c:7297
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
do_softirq kernel/softirq.c:462 [inline]
do_softirq+0xb2/0xf0 kernel/softirq.c:449
__local_bh_enable_ip+0x100/0x120 kernel/softirq.c:389
spin_unlock_bh include/linux/spinlock.h:396 [inline]
batadv_tt_local_purge+0x21c/0x3c0 net/batman-adv/translation-table.c:1315
batadv_tt_purge+0x86/0xb90 net/batman-adv/translation-table.c:3509
process_one_work+0x958/0x1b30 kernel/workqueue.c:3236
process_scheduled_works kernel/workqueue.c:3317 [inline]
rescuer_thread+0x628/0xe20 kernel/workqueue.c:3494
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
net_ratelimit: 5379 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:0a:71:f5:27:5c, 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 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 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:ae:88:1a:3f:72:30, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:0a:71:f5:27:5c, 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:56:0a:71:f5:27:5c, vlan:0)
net_ratelimit: 7478 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:0a:71:f5:27:5c, 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 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 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:ae:88:1a:3f:72:30, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:0a:71:f5:27:5c, 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:56:0a:71:f5:27:5c, vlan:0)