bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5830/1:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=20857, q=630 ncpus=2)
task:syz-executor    state:R  running task     stack:20016 pid:5830  tgid:5830  ppid:5820   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6935
 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6959
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 unwind_next_frame+0x18f8/0x22d0 arch/x86/kernel/unwind_orc.c:672
 __unwind_start+0x59a/0x740 arch/x86/kernel/unwind_orc.c:760
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0xe5/0x150 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 save_stack+0xfb/0x1f0 mm/page_owner.c:156
 __reset_page_owner+0x76/0x430 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_unref_page+0xdef/0x1130 mm/page_alloc.c:2657
 discard_slab mm/slub.c:2673 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:3142
 put_cpu_partial+0x17c/0x250 mm/slub.c:3217
 __slab_free+0x2ea/0x3d0 mm/slub.c:4468
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_kmalloc+0x23/0xb0 mm/kasan/common.c:385
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4283 [inline]
 __kmalloc_node_noprof+0x290/0x4d0 mm/slub.c:4289
 kmalloc_node_noprof include/linux/slab.h:928 [inline]
 __vmalloc_area_node mm/vmalloc.c:3645 [inline]
 __vmalloc_node_range_noprof+0x561/0x1380 mm/vmalloc.c:3844
 __vmalloc_node_noprof mm/vmalloc.c:3909 [inline]
 vzalloc_noprof+0x79/0x90 mm/vmalloc.c:3982
 alloc_counters+0xd7/0x740 net/ipv4/netfilter/ip_tables.c:799
 copy_entries_to_user net/ipv4/netfilter/ip_tables.c:821 [inline]
 get_entries net/ipv4/netfilter/ip_tables.c:1022 [inline]
 do_ipt_get_ctl+0xed1/0x1810 net/ipv4/netfilter/ip_tables.c:1668
 nf_getsockopt+0x299/0x2c0 net/netfilter/nf_sockopt.c:116
 ip_getsockopt+0x222/0x2e0 net/ipv4/ip_sockglue.c:1777
 tcp_getsockopt+0x163/0x1c0 net/ipv4/tcp.c:4671
 do_sock_getsockopt+0x3c4/0x7e0 net/socket.c:2374
 __sys_getsockopt net/socket.c:2403 [inline]
 __do_sys_getsockopt net/socket.c:2410 [inline]
 __se_sys_getsockopt net/socket.c:2407 [inline]
 __x64_sys_getsockopt+0x2a1/0x370 net/socket.c:2407
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f24a9b87a5a
RSP: 002b:00007ffc3d6472b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007ffc3d647340 RCX: 00007f24a9b87a5a
RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007ffc3d6472dc R09: 00007ffc3d6476f7
R10: 00007ffc3d647340 R11: 0000000000000202 R12: 00007f24a9d49500
R13: 00007ffc3d6472dc R14: 0000000000000000 R15: 00007f24a9d4b000
 </TASK>
rcu: rcu_preempt kthread starved for 827 jiffies! g20857 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:26264 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
 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
 </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 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.13.0-rc1-syzkaller-00230-g15bfb14727bc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:update_load_avg+0xde9/0x19e0 kernel/sched/fair.c:4839
Code: 0f a3 1d 3a 5a a8 0e 41 be 01 00 00 00 73 16 e8 1d 20 14 00 84 c0 75 0d 80 3d 18 89 92 0e 00 0f 84 36 08 00 00 48 8b 44 24 58 <42> 80 3c 20 00 48 8b 5c 24 30 74 08 48 89 df e8 c3 6d 99 00 41 f6
RSP: 0018:ffffc90000a18b50 EFLAGS: 00000046
RAX: 1ffff11003a5f028 RBX: ffff88801d2f8128 RCX: ffffffff8174d37c
RDX: 0000000000000000 RSI: ffffffff8c5f63c0 RDI: ffffffff8c5f6380
RBP: ffff8880b873ea80 R08: ffffffff90194637 R09: 1ffffffff20328c6
R10: dffffc0000000000 R11: fffffbfff20328c7 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8880b873e980
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f64e4647440 CR3: 000000000e736000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 entity_tick kernel/sched/fair.c:5672 [inline]
 task_tick_fair+0xde/0x7b0 kernel/sched/fair.c:13050
 sched_tick+0x21e/0x660 kernel/sched/core.c:5652
 update_process_times+0x276/0x2f0 kernel/time/timer.c:2524
 tick_sched_handle kernel/time/tick-sched.c:276 [inline]
 tick_nohz_handler+0x37c/0x500 kernel/time/tick-sched.c:297
 __run_hrtimer kernel/time/hrtimer.c:1739 [inline]
 __hrtimer_run_queues+0x551/0xd30 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:deref_stack_reg+0x184/0x210 arch/x86/kernel/unwind_orc.c:406
Code: 77 43 4d 39 c7 76 3e 49 8d 48 08 31 c0 4c 39 e1 76 33 4c 39 f9 77 2e 4c 89 c7 48 89 d3 e8 f4 07 00 00 49 89 c6 48 8b 6c 24 18 <48> 89 e8 48 c1 e8 03 80 3c 18 00 74 08 48 89 ef e8 f7 8a be 00 4c
RSP: 0018:ffffc900001e65b8 EFLAGS: 00000287
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffc900001e0000 RDI: ffffc900001e7f20
RBP: ffffc900001e6720 R08: ffffc900001e7f20 R09: 0000000000000000
R10: ffffc900001e6730 R11: fffff5200003cce8 R12: 1ffff9200003ccdd
R13: 1ffff9200003ccde R14: 0000000000000000 R15: ffffc900001e8000
 unwind_next_frame+0x1799/0x22d0
 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 unpoison_slab_object mm/kasan/common.c:319 [inline]
 __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:345
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4104 [inline]
 slab_alloc_node mm/slub.c:4153 [inline]
 kmem_cache_alloc_noprof+0x1d9/0x380 mm/slub.c:4160
 skb_ext_maybe_cow net/core/skbuff.c:6942 [inline]
 skb_ext_add+0x1d6/0x910 net/core/skbuff.c:7016
 nf_bridge_unshare net/bridge/br_netfilter_hooks.c:169 [inline]
 br_nf_forward_ip+0xd8/0x7b0 net/bridge/br_netfilter_hooks.c:712
 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+0x2a7/0x460 include/linux/netfilter.h:312
 __br_forward+0x489/0x660 net/bridge/br_forward.c:115
 br_handle_frame_finish+0x18ba/0x1fe0 net/bridge/br_input.c:215
 br_nf_hook_thresh+0x472/0x590
 br_nf_pre_routing_finish_ipv6+0xaa0/0xdd0
 NF_HOOK include/linux/netfilter.h:314 [inline]
 br_nf_pre_routing_ipv6+0x379/0x770 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+0x14eb/0x4690 net/core/dev.c:5566
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 process_backlog+0x662/0x15b0 net/core/dev.c:6117
 __napi_poll+0xcb/0x490 net/core/dev.c:6883
 napi_poll net/core/dev.c:6952 [inline]
 net_rx_action+0x89b/0x1240 net/core/dev.c:7074
 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:554
 run_ksoftirqd+0xca/0x130 kernel/softirq.c:943
 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
 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
 </TASK>
net_ratelimit: 355 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
net_ratelimit: 599 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:63:84:5e:e2:0c, vlan:1)