bridge0: received packet on veth1_to_bridge with own address as source address (addr:0e:d6:95:ba:47:d2, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P13511/1:b..l P18344/1:b..l
rcu: 	(detected by 1, t=10503 jiffies, g=94453, q=2801 ncpus=2)
task:dhcpcd          state:R  running task     stack:26664 pid:18344 tgid:18344 ppid:5296   task_flags:0x400140 flags:0x00080800
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1840/0x57a0 kernel/sched/core.c:7189
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7513
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x14f/0x8e0 kernel/entry/common.c:164
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:debug_lockdep_rcu_enabled+0xf/0x40 kernel/rcu/update.c:320
Code: 48 0f b9 3a 90 eb ca cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 83 3d 73 30 8d 04 00 74 1d <83> 3d 4a 62 8d 04 00 74 14 65 48 8b 0d 68 15 94 07 31 c0 83 b9 8c
RSP: 0018:ffffc90005887758 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffc90005887818 RCX: ffffc90005887cd8
RDX: ffffc90005887801 RSI: dffffc0000000000 RDI: ffffc90005887810
RBP: 1ffffffff21a0f01 R08: ffffc90005887cc0 R09: 0000000000000000
R10: ffffc90005887858 R11: fffff52000b10f0d R12: ffffc90005880000
R13: ffffffff81769f7f R14: ffffc90005887808 R15: ffffc90005887cd0
 rcu_read_unlock include/linux/rcupdate.h:867 [inline]
 class_rcu_destructor include/linux/rcupdate.h:1181 [inline]
 unwind_next_frame+0x1b5d/0x2550 arch/x86/kernel/unwind_orc.c:709
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 save_stack+0x122/0x230 mm/page_owner.c:165
 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:320
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1397 [inline]
 __free_frozen_pages+0xc0d/0xd20 mm/page_alloc.c:2938
 __slab_free+0x274/0x2c0 mm/slub.c:5613
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4570 [inline]
 slab_alloc_node mm/slub.c:4899 [inline]
 kmem_cache_alloc_noprof+0x2b8/0x650 mm/slub.c:4906
 lsm_file_alloc security/security.c:171 [inline]
 security_file_alloc+0x34/0x310 security/security.c:2406
 init_file+0x90/0x2b0 fs/file_table.c:184
 alloc_empty_file+0x74/0x1d0 fs/file_table.c:266
 alloc_file fs/file_table.c:396 [inline]
 alloc_file_pseudo+0x155/0x240 fs/file_table.c:425
 sock_alloc_file+0xb8/0x2e0 net/socket.c:543
 sock_map_fd net/socket.c:573 [inline]
 __sys_socket+0x13f/0x1b0 net/socket.c:1816
 __do_sys_socket net/socket.c:1821 [inline]
 __se_sys_socket net/socket.c:1819 [inline]
 __x64_sys_socket+0x7a/0x90 net/socket.c:1819
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f206da5f707
RSP: 002b:00007ffd64c617c8 EFLAGS: 00000206 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 000055957b2d4420 RCX: 00007f206da5f707
RDX: 0000000000000300 RSI: 0000000000080803 RDI: 0000000000000011
RBP: 000055953d2234b0 R08: 00007f206db2eac0 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000206 R12: 0000000000000000
R13: 000055957b2d4b20 R14: 0000000000000000 R15: 000055953d238ac0
 </TASK>
task:kworker/u8:15   state:R  running task     stack:25800 pid:13511 tgid:13511 ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound toggle_allocation_gate
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1840/0x57a0 kernel/sched/core.c:7189
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7370
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:169 [inline]
 _raw_spin_unlock+0x3f/0x50 kernel/locking/spinlock.c:190
 spin_unlock include/linux/spinlock.h:390 [inline]
 __text_poke+0x7cd/0x9b0 arch/x86/kernel/alternative.c:2648
 text_poke arch/x86/kernel/alternative.c:2672 [inline]
 smp_text_poke_batch_finish+0x8f2/0x1110 arch/x86/kernel/alternative.c:3005
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_disable_cpuslocked+0xc5/0x1a0 kernel/jump_label.c:240
 static_key_disable+0x1a/0x20 kernel/jump_label.c:248
 toggle_allocation_gate+0x1fe/0x290 mm/kfence/core.c:913
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3397
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3478
 kthread+0x389/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: rcu_preempt kthread starved for 10359 jiffies! g94453 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:28072 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1840/0x57a0 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x30c/0x11f0 kernel/rcu/tree.c:2095
 rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2297
 kthread+0x389/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 3234 Comm: kworker/R-bat_e Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: bat_events batadv_tt_purge
RIP: 0010:clear_pages arch/x86/include/asm/page_64.h:103 [inline]
RIP: 0010:clear_page arch/x86/include/asm/page_64.h:114 [inline]
RIP: 0010:clear_highpage_kasan_tagged include/linux/highmem.h:344 [inline]
RIP: 0010:kernel_init_pages mm/page_alloc.c:1221 [inline]
RIP: 0010:post_alloc_hook+0x1b4/0x280 mm/page_alloc.c:1851
Code: 8e 48 c1 ed 03 49 c7 c6 00 6f 25 8e 49 c1 ee 03 eb 2f 48 8b 3d cd 7c 03 0c 49 c1 e5 06 4c 29 ef 4c 01 e7 b9 00 10 00 00 31 c0 <f3> aa 0f 1f 44 00 00 49 81 c4 00 10 00 00 49 ff cf 0f 84 ee fe ff
RSP: 0018:ffffc90000006ae8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000f40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88815c5070c0
RBP: 1ffffffff1c4ade2 R08: ffffffff902f89f7 R09: 0000000000000000
R10: ffffed102b8a0000 R11: fffffbfff205f13f R12: fffa80015c507000
R13: fffa800000000000 R14: 1ffffffff1c4ade0 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8881252b9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055953d2234b0 CR3: 0000000033ea8000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 prep_new_page mm/page_alloc.c:1861 [inline]
 get_page_from_freelist+0x24ae/0x2530 mm/page_alloc.c:3941
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5221
 alloc_slab_page mm/slub.c:3278 [inline]
 allocate_slab+0x77/0x660 mm/slub.c:3467
 new_slab mm/slub.c:3525 [inline]
 refill_objects+0x336/0x3d0 mm/slub.c:7272
 refill_sheaf mm/slub.c:2816 [inline]
 __pcs_replace_empty_main+0x320/0x720 mm/slub.c:4652
 alloc_from_pcs mm/slub.c:4750 [inline]
 slab_alloc_node mm/slub.c:4884 [inline]
 __do_kmalloc_node mm/slub.c:5295 [inline]
 __kmalloc_noprof+0x464/0x750 mm/slub.c:5308
 kmalloc_noprof include/linux/slab.h:954 [inline]
 kzalloc_noprof include/linux/slab.h:1188 [inline]
 ieee802_11_parse_elems_full+0x15c/0x2a90 net/mac80211/parse.c:1058
 ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2518 [inline]
 ieee80211_inform_bss+0x163/0x10d0 net/mac80211/scan.c:79
 rdev_inform_bss net/wireless/rdev-ops.h:418 [inline]
 cfg80211_inform_single_bss_data+0xd9c/0x1be0 net/wireless/scan.c:2379
 cfg80211_inform_bss_data+0x26e/0x3d80 net/wireless/scan.c:3236
 cfg80211_inform_bss_frame_data+0x3c7/0x730 net/wireless/scan.c:3327
 ieee80211_bss_info_update+0x791/0xa50 net/mac80211/scan.c:230
 ieee80211_scan_rx+0x552/0xa40 net/mac80211/scan.c:364
 __ieee80211_rx_handle_packet net/mac80211/rx.c:5357 [inline]
 ieee80211_rx_list+0x2a11/0x3740 net/mac80211/rx.c:5642
 ieee80211_rx_napi+0x1ad/0x3d0 net/mac80211/rx.c:5665
 ieee80211_rx include/net/mac80211.h:5395 [inline]
 ieee80211_handle_queued_frames+0xe4/0x1d0 net/mac80211/main.c:452
 tasklet_action_common+0x2da/0x4a0 kernel/softirq.c:938
 handle_softirqs+0x225/0x840 kernel/softirq.c:622
 do_softirq+0x76/0xd0 kernel/softirq.c:523
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0xf8/0x130 kernel/softirq.c:450
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 batadv_tt_global_purge net/batman-adv/translation-table.c:2290 [inline]
 batadv_tt_purge+0x4ae/0xa10 net/batman-adv/translation-table.c:3550
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3397
 rescuer_thread+0x7b6/0x10b0 kernel/workqueue.c:3621
 kthread+0x389/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
net_ratelimit: 11787 callbacks suppressed
bridge0: received packet on veth1_to_bridge with own address as source address (addr:0e:d6:95:ba:47:d2, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:0e:d6:95:ba:47:d2, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:0e:d6:95:ba:47:d2, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:0e:d6:95:ba:47:d2, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:0e:d6:95:ba:47:d2, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
net_ratelimit: 15438 callbacks suppressed
bridge0: received packet on veth1_to_bridge with own address as source address (addr:0e:d6:95:ba:47:d2, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:0e:d6:95:ba:47:d2, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:0e:d6:95:ba:47:d2, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:0e:d6:95:ba:47:d2, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:0e:d6:95:ba:47:d2, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)