bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:c8:0d:fa:eb:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:c8:0d:fa:eb:00, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P9003/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=42229, q=852 ncpus=1)
task:dhcpcd state:R running task stack:26472 pid:9003 tgid:9003 ppid:5513 task_flags:0x400140 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x116a/0x5dd0 kernel/sched/core.c:6786
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7109
irqentry_exit+0x36/0x90 kernel/entry/common.c:307
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__update_page_owner_free_handle.constprop.0+0x188/0x4a0 mm/page_owner.c:277
Code: 0c 31 ff 44 89 e6 49 01 de e8 84 92 91 ff 45 85 e4 74 49 e8 3a 97 91 ff be 08 00 00 00 48 89 df e8 0d fa f5 ff 48 0f ba 33 01 <48> b8 00 00 00 00 00 fc ff df 49 8d 7e 0c 48 89 fa 48 c1 ea 03 0f
RSP: 0018:ffffc90004787a00 EFLAGS: 00000247
RAX: 0000000000000001 RBX: ffff88801d4f6fe0 RCX: ffffffff8229bda3
RDX: ffffed1003a9edfd RSI: 0000000000000008 RDI: ffff88801d4f6fe0
RBP: 0000000000000006 R08: 0000000000000001 R09: ffffed1003a9edfc
R10: ffff88801d4f6fe7 R11: 0000000000000001 R12: 0000000006e2041a
R13: 0000000000000008 R14: ffff88801d4f6fe8 R15: 0000000000000003
__reset_page_owner+0x93/0x1a0 mm/page_owner.c:309
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1248 [inline]
__free_frozen_pages+0x7fe/0x1180 mm/page_alloc.c:2706
discard_slab mm/slub.c:2717 [inline]
__put_partials+0x16d/0x1c0 mm/slub.c:3186
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x4d/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:4148 [inline]
slab_alloc_node mm/slub.c:4197 [inline]
__kmalloc_cache_noprof+0x1f1/0x3e0 mm/slub.c:4354
kmalloc_noprof include/linux/slab.h:905 [inline]
kzalloc_noprof include/linux/slab.h:1039 [inline]
ref_tracker_alloc+0x18e/0x5b0 lib/ref_tracker.c:203
__netns_tracker_alloc include/net/net_namespace.h:357 [inline]
netns_tracker_alloc include/net/net_namespace.h:366 [inline]
get_net_track include/net/net_namespace.h:383 [inline]
sk_alloc+0x206/0xc20 net/core/sock.c:2315
packet_create+0x127/0x8e0 net/packet/af_packet.c:3401
__sock_create+0x338/0x8d0 net/socket.c:1541
sock_create net/socket.c:1599 [inline]
__sys_socket_create net/socket.c:1636 [inline]
__sys_socket+0x14d/0x260 net/socket.c:1683
__do_sys_socket net/socket.c:1697 [inline]
__se_sys_socket net/socket.c:1695 [inline]
__x64_sys_socket+0x72/0xb0 net/socket.c:1695
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2ec8632707
RSP: 002b:00007fff829a53e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 000055f8e8a43820 RCX: 00007f2ec8632707
RDX: 0000000000000300 RSI: 0000000000080803 RDI: 0000000000000011
RBP: 000055f8d80084b0 R08: 000000000000005e R09: 0000000000000000
R10: 00007f2ec8701bd0 R11: 0000000000000202 R12: 0000000000000000
R13: 000055f8e8a3cba0 R14: 0000000000000000 R15: 000055f8d801dac0
rcu: rcu_preempt kthread starved for 301 jiffies! g42229 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:27672 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x116a/0x5dd0 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6879
schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x1ea/0xb00 kernel/rcu/tree.c:2054
rcu_gp_kthread+0x270/0x380 kernel/rcu/tree.c:2256
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 3416 Comm: kworker/R-bat_e Not tainted 6.16.0-rc7-syzkaller-00020-gf9af7b5d9349 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: bat_events batadv_dat_purge
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: 66 cf 53 00 48 89 df 5b e9 bd 56 59 00 be 03 00 00 00 5b e9 d2 14 1c 03 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 34 24 65 48 8b 15 38 db 13 12 65 8b 05 49 db 13
RSP: 0018:ffffc900000074c8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff888031adec00 RCX: ffffffff8a31a7fc
RDX: ffff8880320e5a00 RSI: 0000000000000000 RDI: 0000000000000001
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888031adec64
R13: ffffc900000077d8 R14: 0000000000000000 R15: ffff888031adecc8
FS: 0000000000000000(0000) GS:ffff88812472d000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ec8632700 CR3: 0000000079f0e000 CR4: 00000000003526f0
Call Trace:
__find_rr_leaf+0x221/0xe00 net/ipv6/route.c:834
find_rr_leaf net/ipv6/route.c:890 [inline]
rt6_select net/ipv6/route.c:934 [inline]
fib6_table_lookup+0x57c/0xa30 net/ipv6/route.c:2232
ip6_pol_route+0x1cc/0x1230 net/ipv6/route.c:2268
pol_lookup_func include/net/ip6_fib.h:617 [inline]
fib6_rule_lookup+0x536/0x720 net/ipv6/fib6_rules.c:120
ip6_route_input_lookup net/ipv6/route.c:2337 [inline]
ip6_route_input+0x662/0xc00 net/ipv6/route.c:2640
ip6_rcv_finish_core.constprop.0+0x1a0/0x5d0 net/ipv6/ip6_input.c:66
ip6_rcv_finish net/ipv6/ip6_input.c:77 [inline]
NF_HOOK include/linux/netfilter.h:317 [inline]
NF_HOOK include/linux/netfilter.h:311 [inline]
ipv6_rcv+0x1e8/0x680 net/ipv6/ip6_input.c:309
__netif_receive_skb_one_core+0x12d/0x1e0 net/core/dev.c:5977
__netif_receive_skb+0x1d/0x160 net/core/dev.c:6090
process_backlog+0x442/0x15e0 net/core/dev.c:6442
__napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:7414
napi_poll net/core/dev.c:7478 [inline]
net_rx_action+0xa9f/0xfe0 net/core/dev.c:7605
handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
do_softirq kernel/softirq.c:480 [inline]
do_softirq+0xb2/0xf0 kernel/softirq.c:467
__local_bh_enable_ip+0x100/0x120 kernel/softirq.c:407
spin_unlock_bh include/linux/spinlock.h:396 [inline]
__batadv_dat_purge.part.0+0x279/0x3a0 net/batman-adv/distributed-arp-table.c:185
__batadv_dat_purge net/batman-adv/distributed-arp-table.c:166 [inline]
batadv_dat_purge+0x4b/0xa0 net/batman-adv/distributed-arp-table.c:204
process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3321 [inline]
rescuer_thread+0x620/0xea0 kernel/workqueue.c:3498
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
net_ratelimit: 8153 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:c8:0d:fa:eb:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:c8:0d:fa:eb:00, 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:66:c8:0d:fa:eb:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:c8:0d:fa:eb:00, 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)
net_ratelimit: 8892 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:c8:0d:fa:eb:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:c8:0d:fa:eb:00, 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:66:c8:0d:fa:eb:00, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:66:c8:0d:fa:eb:00, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)