bridge0: received packet on veth1_to_bridge with own address as source address (addr:ce:e8:68:aa:ec:83, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5638/1:b..l P6002/1:b..l P4977/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=12849, q=997 ncpus=2)
task:udevd           state:R  running task     stack:26168 pid:4977  tgid:4977  ppid:1      task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7234
 preempt_schedule_notrace+0x5f/0xd0 kernel/sched/core.c:7506
 preempt_schedule_notrace_thunk+0x16/0x30 arch/x86/entry/thunk.S:13
 rcu_is_watching+0x8e/0xc0 kernel/rcu/tree.c:753
 trace_lock_acquire include/trace/events/lock.h:23 [inline]
 lock_acquire+0x301/0x370 kernel/locking/lockdep.c:5831
 rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 rcu_read_lock include/linux/rcupdate.h:840 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1183 [inline]
 unwind_next_frame+0xd1/0x2090 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 save_stack+0x162/0x1e0 mm/page_owner.c:165
 __reset_page_owner+0x84/0x190 mm/page_owner.c:320
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1406 [inline]
 __free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4612 [inline]
 slab_alloc_node mm/slub.c:4945 [inline]
 kmem_cache_alloc_noprof+0x26b/0x6a0 mm/slub.c:4959
 alloc_filename fs/namei.c:147 [inline]
 do_getname+0x35/0x390 fs/namei.c:187
 class_filename_flags_constructor include/linux/fs.h:2561 [inline]
 do_sys_openat2+0xc7/0x1e0 fs/open.c:1367
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc1cbea7407
RSP: 002b:00007ffe93054060 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fc1cc5f0880 RCX: 00007fc1cbea7407
RDX: 0000000000080141 RSI: 000055acbf9b102e RDI: ffffffffffffff9c
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000001a4 R11: 0000000000000202 R12: 00000000ffffffff
R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000000000
 </TASK>
task:kworker/u8:12   state:R  running task     stack:29480 pid:6002  tgid:6002  ppid:2      task_flags:0x4208060 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7234
 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7556
 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline]
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x205/0xa00 kernel/entry/common.c:167
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:109 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:127 [inline]
RIP: 0010:lock_acquire kernel/locking/lockdep.c:5864 [inline]
RIP: 0010:lock_acquire+0x166/0x370 kernel/locking/lockdep.c:5825
Code: bd 00 00 00 65 8b 05 49 35 4f 12 85 c0 0f 85 ae 00 00 00 65 48 8b 05 81 ee 4e 12 8b 90 9c 0b 00 00 85 d2 0f 85 98 00 00 00 9c <8f> 04 24 fa 48 c7 c7 ea 08 25 8e e8 ba d9 b7 09 45 89 e8 44 89 e1
RSP: 0018:ffffc90004ebf7c0 EFLAGS: 00000246
RAX: ffff8880328e4a80 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff82860bb6 RDI: fffffbfff1d3cc18
RBP: ffffffff8e9e60c0 R08: 0000000000000000 R09: 0000000000000000
R10: ffffea0000cd2cb7 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 rcu_read_lock include/linux/rcupdate.h:840 [inline]
 page_ext_get+0x36/0x1a0 mm/page_ext.c:531
 __reset_page_owner+0x2b/0x190 mm/page_owner.c:306
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1406 [inline]
 __free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
 __kasan_kmalloc+0x8a/0xb0 mm/kasan/common.c:406
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __do_kmalloc_node mm/slub.c:5362 [inline]
 __kmalloc_node_track_caller_noprof+0x331/0x830 mm/slub.c:5497
 kvasprintf+0xbc/0x150 lib/kasprintf.c:25
 __kthread_create_on_node+0x186/0x3f0 kernel/kthread.c:491
 kthread_create_on_node+0xc7/0x100 kernel/kthread.c:559
 create_worker+0x420/0x750 kernel/workqueue.c:2861
 maybe_create_worker kernel/workqueue.c:3121 [inline]
 manage_workers kernel/workqueue.c:3198 [inline]
 worker_thread+0x8e2/0xe50 kernel/workqueue.c:3461
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
task:udevd           state:R  running task     stack:27040 pid:5638  tgid:5638  ppid:4977   task_flags:0x400140 flags:0x00080800
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7234
 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7556
 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline]
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x205/0xa00 kernel/entry/common.c:167
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:write_comp_data+0x2b/0x90 kernel/kcov.c:272
Code: 8b 05 59 87 2a 12 49 89 f8 49 89 f1 49 89 d2 65 48 8b 3d 30 87 2a 12 a9 00 01 ff 00 74 1b f6 c4 01 74 07 a9 00 00 ff 00 74 05 <c3> cc cc cc cc 8b 87 24 17 00 00 85 c0 74 f1 8b 87 f8 16 00 00 83
RSP: 0018:ffffc90002f67408 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff828489f8
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff88807c562540
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88807c562540
R13: 0000000005c2033e R14: 0000000000000001 R15: 000000000007f376
 rcu_read_unlock include/linux/rcupdate.h:869 [inline]
 __update_page_owner_free_handle.isra.0+0x328/0x4d0 mm/page_owner.c:295
 __reset_page_owner+0x93/0x190 mm/page_owner.c:321
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1406 [inline]
 __free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
 __kasan_kmalloc+0x8a/0xb0 mm/kasan/common.c:406
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __do_kmalloc_node mm/slub.c:5362 [inline]
 __kmalloc_noprof+0x322/0x820 mm/slub.c:5387
 _kmalloc_noprof include/linux/slab.h:973 [inline]
 _kzalloc_noprof include/linux/slab.h:1290 [inline]
 tomoyo_encode2+0xfb/0x3c0 security/tomoyo/realpath.c:45
 tomoyo_encode+0x29/0x50 security/tomoyo/realpath.c:80
 tomoyo_realpath_from_path+0x18c/0x690 security/tomoyo/realpath.c:283
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_number_perm+0x23c/0x580 security/tomoyo/file.c:728
 tomoyo_path_mknod+0x164/0x190 security/tomoyo/tomoyo.c:252
 security_path_mknod+0x161/0x300 security/security.c:1417
 may_o_create+0x30/0x3a0 fs/namei.c:4324
 lookup_open fs/namei.c:4464 [inline]
 open_last_lookups fs/namei.c:4608 [inline]
 path_openat+0x2e42/0x4280 fs/namei.c:4856
 do_file_open+0x20e/0x430 fs/namei.c:4888
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1368
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc1cbea7407
RSP: 002b:00007ffe93053590 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fc1cc5f0880 RCX: 00007fc1cbea7407
RDX: 0000000000080241 RSI: 00007ffe93053af0 RDI: ffffffffffffff9c
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000001b6 R11: 0000000000000202 R12: 000055acbf9b1dfc
R13: 000055acbf9b1dfc R14: 0000000000000001 R15: 000055acbf9cc140
 </TASK>
bridge0: received packet on veth1_to_bridge with own address as source address (addr:ce:e8:68:aa:ec:83, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:ce:e8:68:aa:ec:83, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:ce:e8:68:aa:ec:83, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:ce:e8:68:aa:ec:83, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:ce:e8:68:aa:ec:83, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:ce:e8:68:aa:ec:83, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:ce:e8:68:aa:ec:83, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:ce:e8:68:aa:ec:83, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:ce:e8:68:aa:ec:83, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:ce:e8:68:aa:ec:83, vlan:0)