bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P6122/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=7825, q=1162 ncpus=2)
task:syz.1.65 state:R running task stack:23808 pid:6122 tgid:6122 ppid:5842 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6869
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6893
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
__local_bh_enable_ip+0x179/0x200 kernel/softirq.c:389
nl80211_netlink_notify+0x452/0x840 net/wireless/nl80211.c:20129
notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93
blocking_notifier_call_chain+0x69/0x90 kernel/notifier.c:388
netlink_release+0x11a6/0x1b10 net/netlink/af_netlink.c:787
__sock_release net/socket.c:658 [inline]
sock_close+0xbc/0x240 net/socket.c:1426
__fput+0x23f/0x880 fs/file_table.c:431
task_work_run+0x24f/0x310 kernel/task_work.c:239
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe3be77e719
RSP: 002b:00007ffea4314d48 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fe3be937a80 RCX: 00007fe3be77e719
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fe3be937a80 R08: 0000000000000006 R09: 00007ffea431503f
R10: 00000000003ffcd0 R11: 0000000000000246 R12: 000000000000fd4c
R13: 00007ffea4314e50 R14: 0000000000000032 R15: ffffffffffffffff
rcu: rcu_preempt kthread starved for 2848 jiffies! g7825 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:24432 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2615
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 15 Comm: rcu_tasks_trace Not tainted 6.12.0-rc5-syzkaller-00178-g0144c06c5890 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:bcmp+0x9/0x1e0 lib/string.c:696
Code: 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 41 56 <41> 55 41 54 53 50 49 89 d6 49 89 f7 49 89 fc 48 ba 00 00 00 00 00
RSP: 0018:ffffc90000a182c0 EFLAGS: 00000246
RAX: 0000000000000010 RBX: ffff8880a3244300 RCX: 2ca29fc48777b300
RDX: 0000000000000010 RSI: ffff8880a3244328 RDI: ffffc90000a18320
RBP: ffffc90000a18388 R08: 0000000000000001 R09: ffffffff89e82690
R10: 0000000000000002 R11: ffff88801ce8bc00 R12: ffff888054e9aa00
R13: dffffc0000000000 R14: 0000000000000001 R15: 1ffff1100a9d3557
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc4a35ffffc CR3: 000000006364a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ipv6_addr_cmp include/net/ipv6.h:587 [inline]
nf_nat_ipv6_in+0x1bd/0x2b0 net/netfilter/nf_nat_proto.c:1008
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:269 [inline]
NF_HOOK include/linux/netfilter.h:312 [inline]
br_nf_pre_routing_ipv6+0x63e/0x770 net/bridge/br_netfilter_ipv6.c:184
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]
br_handle_frame+0x9fd/0x1530 net/bridge/br_input.c:424
__netif_receive_skb_core+0x13e8/0x4570 net/core/dev.c:5564
__netif_receive_skb_one_core net/core/dev.c:5668 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5783
process_backlog+0x662/0x15b0 net/core/dev.c:6115
__napi_poll+0xcb/0x490 net/core/dev.c:6779
napi_poll net/core/dev.c:6848 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:6970
handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:2042 [inline]
RIP: 0010:vprintk_emit+0x700/0xa10 kernel/printk/printk.c:2406
Code: 00 e8 f4 c2 20 00 4c 8d bc 24 a0 00 00 00 4d 85 e4 75 07 e8 e2 c2 20 00 eb 06 e8 db c2 20 00 fb 49 bc 00 00 00 00 00 fc ff df <48> c7 c7 80 33 81 8e 31 f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00
RSP: 0018:ffffc90000147a00 EFLAGS: 00000293
RAX: ffffffff81741745 RBX: 0000000000000000 RCX: ffff88801ce8bc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000147b10 R08: ffffffff8174171e R09: 1ffffffff2859903
R10: dffffc0000000000 R11: fffffbfff2859904 R12: dffffc0000000000
R13: 1ffff92000028f44 R14: ffffffff81741580 R15: ffffc90000147aa0
_printk+0xd5/0x120 kernel/printk/printk.c:2432
rcu_tasks_wait_gp+0x8fb/0xb10 kernel/rcu/tasks.h:891
rcu_tasks_one_gp+0xc32/0xe10 kernel/rcu/tasks.h:621
rcu_tasks_kthread+0x180/0x1b0 kernel/rcu/tasks.h:657
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
net_ratelimit: 19703 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:da:de:09:9c:78:19, 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:da:de:09:9c:78:19, 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:da:de:09:9c:78:19, 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 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: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: 25881 callbacks suppressed
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 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 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: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:da:de:09:9c:78:19, 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)