net_ratelimit: 569 callbacks suppressed
bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:b2:05:6c:8c:f8:4d, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:b2:05:6c:8c:f8:4d, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P2/1:b..l P5128/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=58981, q=336 ncpus=2)
task:klogd           state:R  running task     stack:23688 pid:5128  ppid:1      flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x15ae/0x4660 kernel/sched/core.c:6701
 preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6868
 preempt_schedule+0xc0/0xd0 kernel/sched/core.c:6892
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x111/0x120 kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 __wake_up_common_lock kernel/sched/wait.c:140 [inline]
 __wake_up_sync_key+0x12c/0x1a0 kernel/sched/wait.c:213
 sock_def_readable+0x1e1/0x420 net/core/sock.c:3363
 unix_dgram_sendmsg+0x1093/0x16e0 net/unix/af_unix.c:2143
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 __sys_sendto+0x4a9/0x6b0 net/socket.c:2201
 __do_sys_sendto net/socket.c:2213 [inline]
 __se_sys_sendto net/socket.c:2209 [inline]
 __x64_sys_sendto+0xde/0xf0 net/socket.c:2209
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc8d65a0407
RSP: 002b:00007ffe901ab880 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fc8d6450c80 RCX: 00007fc8d65a0407
RDX: 0000000000000097 RSI: 00007ffe901ab9c0 RDI: 0000000000000003
RBP: 00007ffe901abdf0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe901abe08
R13: 00007ffe901ab9c0 R14: 000000000000007c R15: 00007ffe901ab9c0
 </TASK>
task:kthreadd        state:R  running task     stack:25960 pid:2     ppid:0      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x15ae/0x4660 kernel/sched/core.c:6701
 preempt_schedule_irq+0xbf/0x150 kernel/sched/core.c:7011
 irqentry_exit+0x67/0x70 kernel/entry/common.c:438
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:check_kcov_mode kernel/kcov.c:193 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x36/0x60 kernel/kcov.c:216
Code: 10 46 7c 7e 65 8b 15 11 46 7c 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 24 16 00 00 00 74 2c 8b 91 00 16 00 00 <83> fa 02 75 21 48 8b 91 08 16 00 00 48 8b 32 48 8d 7e 01 8b 89 04
RSP: 0018:ffffc900000771f0 EFLAGS: 00000246
RAX: ffffffff813bc108 RBX: 0000000080000000 RCX: ffff88801a669e00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffff88801a669e00 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000000 R12: ffffc900000777e8
R13: ffffc900000772c8 R14: ffffc90000077848 R15: ffffc900000772d8
 unwind_next_frame+0x1d38/0x2990 arch/x86/kernel/unwind_orc.c:672
 arch_stack_walk+0x144/0x190 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
 save_stack+0x125/0x230 mm/page_owner.c:128
 __reset_page_owner+0x4e/0x190 mm/page_owner.c:149
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1182 [inline]
 free_unref_page_prepare+0x7d7/0x8f0 mm/page_alloc.c:2366
 free_unref_page+0x32/0x2e0 mm/page_alloc.c:2459
 discard_slab mm/slub.c:2127 [inline]
 __unfreeze_partials+0x1cf/0x210 mm/slub.c:2667
 put_cpu_partial+0x17c/0x250 mm/slub.c:2743
 __slab_free+0x319/0x400 mm/slub.c:3700
 qlink_free mm/kasan/quarantine.c:166 [inline]
 qlist_free_all+0x75/0xd0 mm/kasan/quarantine.c:185
 kasan_quarantine_reduce+0x143/0x160 mm/kasan/quarantine.c:292
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:306
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook+0x6a/0x4d0 mm/slab.h:770
 slab_alloc_node mm/slub.c:3495 [inline]
 slab_alloc mm/slub.c:3503 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3510 [inline]
 kmem_cache_alloc+0x17e/0x2c0 mm/slub.c:3519
 prepare_creds+0x30/0x5d0 kernel/cred.c:207
 copy_creds+0x105/0xa70 kernel/cred.c:308
 copy_process+0x973/0x3da0 kernel/fork.c:2373
 kernel_clone+0x24b/0x8a0 kernel/fork.c:2919
 kernel_thread+0x13f/0x1b0 kernel/fork.c:2981
 create_kthread kernel/kthread.c:411 [inline]
 kthreadd+0x579/0x750 kernel/kthread.c:766
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
rcu: rcu_preempt kthread starved for 7659 jiffies! g58981 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:26792 pid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x15ae/0x4660 kernel/sched/core.c:6701
 schedule+0xbd/0x170 kernel/sched/core.c:6775
 schedule_timeout+0x188/0x2d0 kernel/time/timer.c:2168
 rcu_gp_fqs_loop+0x30d/0x1590 kernel/rcu/tree.c:1667
 rcu_gp_kthread+0x9d/0x3b0 kernel/rcu/tree.c:1866
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 14698 Comm: syz.3.2897 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:147 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:254 [inline]
RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:196
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 89 f6 31 d2 e9 db 2c 2d 03 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc900001efe38 EFLAGS: 00000046
RAX: 00000000000000a7 RBX: ffff8880b8f282c0 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 00000000000000a7 RDI: 0000000000000838
RBP: 0000000000000000 R08: ffffffff8e8c772f R09: 1ffffffff1d18ee5
R10: dffffc0000000000 R11: fffffbfff1d18ee6 R12: dffffc0000000000
R13: 0000000010005a98 R14: 00000000000000a7 R15: 0000000000000020
FS:  00007fd69b6476c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000034000 CR3: 000000004da00000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 apic_write arch/x86/include/asm/apic.h:404 [inline]
 lapic_next_event+0x11/0x20 arch/x86/kernel/apic/apic.c:448
 clockevents_program_event+0x1c0/0x310 kernel/time/clockevents.c:334
 hrtimer_interrupt+0x565/0x980 kernel/time/hrtimer.c:1893
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1077 [inline]
 __sysvec_apic_timer_interrupt+0xfb/0x3b0 arch/x86/kernel/apic/apic.c:1094
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0x51/0xc0 arch/x86/kernel/apic/apic.c:1088
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:rcu_read_lock_held_common kernel/rcu/update.c:104 [inline]
RIP: 0010:rcu_read_lock_held+0x0/0x40 kernel/rcu/update.c:348
Code: c7 c7 e0 91 0e 90 e8 7f e5 6f 00 eb cf 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 0f b6 05 ad 67 1c 0d c3 0f 1f 40 00 <f3> 0f 1e fa 53 e8 f6 ff 1e 09 85 c0 74 26 31 db e8 eb 28 01 00 84
RSP: 0018:ffffc900001f0078 EFLAGS: 00000246
RAX: ffffffff8888a600 RBX: ffff88807c1ea000 RCX: 0000000000000100
RDX: ffff88802bae3c00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff11009378797 R08: ffffc900001f0380 R09: ffffc900001f0390
R10: ffffc900001f01e0 R11: fffff5200003e03e R12: 0000000000000001
R13: 0000000000000003 R14: 1ffff11009378799 R15: ffff888049bc3ccf
 __in6_dev_get include/net/addrconf.h:323 [inline]
 ip6_ignore_linkdown include/net/addrconf.h:422 [inline]
 find_match+0xf1/0xc50 net/ipv6/route.c:785
 __find_rr_leaf+0x244/0x760 net/ipv6/route.c:873
 find_rr_leaf net/ipv6/route.c:894 [inline]
 rt6_select net/ipv6/route.c:938 [inline]
 fib6_table_lookup+0x3c7/0xae0 net/ipv6/route.c:2235
 ip6_pol_route+0x239/0x1230 net/ipv6/route.c:2271
 pol_lookup_func include/net/ip6_fib.h:641 [inline]
 __fib6_rule_action net/ipv6/fib6_rules.c:233 [inline]
 fib6_rule_action+0x1d2/0x6c0 net/ipv6/fib6_rules.c:271
 fib_rules_lookup+0x593/0xb10 net/core/fib_rules.c:318
 fib6_rule_lookup+0x1ae/0x580 net/ipv6/fib6_rules.c:108
 ip6_route_input_lookup net/ipv6/route.c:2340 [inline]
 ip6_route_input+0x78a/0xab0 net/ipv6/route.c:2636
 ip6_rcv_finish+0x143/0x230 net/ipv6/ip6_input.c:77
 NF_HOOK+0x32d/0x3b0 include/linux/netfilter.h:304
 __netif_receive_skb_one_core net/core/dev.c:5646 [inline]
 __netif_receive_skb+0xcc/0x290 net/core/dev.c:5760
 process_backlog+0x380/0x710 net/core/dev.c:6088
 __napi_poll+0xbb/0x460 net/core/dev.c:6650
 napi_poll net/core/dev.c:6717 [inline]
 net_rx_action+0x65f/0xcc0 net/core/dev.c:6853
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__sanitizer_cov_trace_switch+0x58/0xe0 kernel/kcov.c:349
Code: 48 8b 06 48 85 c0 0f 84 a4 00 00 00 41 57 41 56 41 54 53 48 8d 4c 09 01 48 8b 54 24 20 65 4c 8b 05 0d 41 7c 7e 45 31 c9 eb 08 <49> ff c1 4c 39 c8 74 77 4e 8b 54 ce 10 65 44 8b 1d fb 40 7c 7e 41
RSP: 0018:ffffc90003707350 EFLAGS: 00000297
RAX: 0000000000000003 RBX: ffffffff8f16ce8e RCX: 0000000000000003
RDX: ffffffff813bbaa1 RSI: ffffffff8cfa0640 RDI: 0000000000000001
RBP: ffffc90003707498 R08: ffff88802bae3c00 R09: 0000000000000002
R10: 0000000000000004 R11: 0000000000000002 R12: ffffc90003707d48
R13: ffffc90003707448 R14: 0000000000000001 R15: dffffc0000000000
 unwind_next_frame+0x16d1/0x2990 arch/x86/kernel/unwind_orc.c:641
 arch_stack_walk+0x144/0x190 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
 save_stack+0x125/0x230 mm/page_owner.c:128
 __reset_page_owner+0x4e/0x190 mm/page_owner.c:149
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1182 [inline]
 free_unref_page_prepare+0x7d7/0x8f0 mm/page_alloc.c:2366
 free_unref_page+0x32/0x2e0 mm/page_alloc.c:2459
 page_pool_empty_ring net/core/page_pool.c:800 [inline]
 page_pool_scrub net/core/page_pool.c:845 [inline]
 page_pool_release+0x3fb/0xaf0 net/core/page_pool.c:853
 page_pool_destroy+0x284/0x490 net/core/page_pool.c:927
 xdp_test_run_teardown net/bpf/test_run.c:216 [inline]
 bpf_test_run_xdp_live+0x1a49/0x1b30 net/bpf/test_run.c:389
 bpf_prog_test_run_xdp+0x7d8/0x1140 net/bpf/test_run.c:1326
 bpf_prog_test_run+0x31f/0x390 kernel/bpf/syscall.c:4132
 __sys_bpf+0x49d/0x890 kernel/bpf/syscall.c:5496
 __do_sys_bpf kernel/bpf/syscall.c:5582 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5580 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5580
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd69a79e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd69b647028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fd69aa25fa0 RCX: 00007fd69a79e0d9
RDX: 0000000000000048 RSI: 0000200000000600 RDI: 000000000000000a
RBP: 00007fd69a835024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd69aa26038 R14: 00007fd69aa25fa0 R15: 00007ffdde53f398
 </TASK>
bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:b2:05:6c:8c:f8:4d, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:b2:05:6c:8c:f8:4d, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:b2:05:6c:8c:f8:4d, vlan:0)
net_ratelimit: 1460 callbacks suppressed
bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:b2:05:6c:8c:f8:4d, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:b2:05:6c:8c:f8:4d, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:b2:05:6c:8c:f8:4d, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:b2:05:6c:8c:f8:4d, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:b2:05:6c:8c:f8:4d, vlan:0)
net_ratelimit: 2761 callbacks suppressed
bridge0: received packet on team0 with own address as source address (addr:b2:05:6c:8c:f8:4d, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on team0 with own address as source address (addr:b2:05:6c:8c:f8:4d, vlan:0)