[ 1055.720006][T26318] br1: port 1(vx10) entered blocking state
[ 1055.720315][T26318] br1: port 1(vx10) entered disabled state
[ 1055.720604][T26318] vx10: entered allmulticast mode
[ 1055.722908][T26318] vx10: entered promiscuous mode
[ 1055.723656][T26318] br1: port 1(vx10) entered blocking state
[ 1055.723930][T26318] br1: port 1(vx10) entered forwarding state
[ 1056.040705][T26323] br1: port 2(vx20) entered blocking state
[ 1056.041059][T26323] br1: port 2(vx20) entered disabled state
[ 1056.041387][T26323] vx20: entered allmulticast mode
[ 1056.043990][T26323] vx20: entered promiscuous mode
[ 1056.044578][T26323] br1: port 2(vx20) entered blocking state
[ 1056.044901][T26323] br1: port 2(vx20) entered forwarding state
[ 1056.202679][T26325] br1: port 3(veth1) entered blocking state
[ 1056.203114][T26325] br1: port 3(veth1) entered disabled state
[ 1056.203428][T26325] veth1: entered allmulticast mode
[ 1056.205366][T26325] veth1: entered promiscuous mode
[ 1056.292466][T25774] br1: port 3(veth1) entered blocking state
[ 1056.292913][T25774] br1: port 3(veth1) entered forwarding state
[ 1056.360529][T26327] br1: port 4(veth2) entered blocking state
[ 1056.360905][T26327] br1: port 4(veth2) entered disabled state
[ 1056.361187][T26327] veth2: entered allmulticast mode
[ 1056.363343][T26327] veth2: entered promiscuous mode
[ 1056.447418][T25774] br1: port 4(veth2) entered blocking state
[ 1056.447787][T25774] br1: port 4(veth2) entered forwarding state
[ 1056.691522][T26332] br1: port 5(vx4001) entered blocking state
[ 1056.691861][T26332] br1: port 5(vx4001) entered disabled state
[ 1056.692151][T26332] vx4001: entered allmulticast mode
[ 1056.694115][T26332] vx4001: entered promiscuous mode
[ 1056.694646][T26332] br1: port 5(vx4001) entered blocking state
[ 1056.694919][T26332] br1: port 5(vx4001) entered forwarding state
[ 1057.577392][T26343] br1: entered promiscuous mode
[ 1057.581128][T26343] br1: left promiscuous mode
[ 1057.590484][T26343] br1: entered promiscuous mode
[ 1058.715753][ C0]
[ 1058.716074][ C0] =============================
[ 1058.716282][ C0] WARNING: suspicious RCU usage
[ 1058.716493][ C0] 6.13.0-virtme #1 Not tainted
[ 1058.716681][ C0] -----------------------------
[ 1058.717130][ C0] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 1058.717448][ C0]
[ 1058.717448][ C0] other info that might help us debug this:
[ 1058.717448][ C0]
[ 1058.717818][ C0]
[ 1058.717818][ C0] rcu_scheduler_active = 2, debug_locks = 1
[ 1058.718107][ C0] 2 locks held by bridge/26362:
[ 1058.718298][ C0] #0: ffff888005757720 (&mm->mmap_lock){++++}-{4:4}, at: lock_mm_and_find_vma+0x2b/0x530
[ 1058.718655][ C0] #1: ffffc90000007d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 1058.719028][ C0]
[ 1058.719028][ C0] stack backtrace:
[ 1058.719277][ C0] CPU: 0 UID: 0 PID: 26362 Comm: bridge Not tainted 6.13.0-virtme #1
[ 1058.719281][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1058.719284][ C0] Call Trace:
[ 1058.719286][ C0]
[ 1058.719288][ C0] dump_stack_lvl+0xb0/0xd0
[ 1058.719296][ C0] lockdep_rcu_suspicious+0x1ea/0x280
[ 1058.719306][ C0] icmp6_send+0x10ab/0x1bf0
[ 1058.719324][ C0] ? __pfx_icmp6_send+0x10/0x10
[ 1058.719333][ C0] ? __pfx_validate_chain+0x10/0x10
[ 1058.719337][ C0] ? hlock_class+0x4e/0x130
[ 1058.719340][ C0] ? mark_lock+0x38/0x3e0
[ 1058.719350][ C0] ? __lock_acquire+0xb9a/0x1680
[ 1058.719356][ C0] ? find_held_lock+0x2c/0x110
[ 1058.719363][ C0] ? __lock_release+0x103/0x460
[ 1058.719365][ C0] ? neigh_invalidate+0x1c7/0x540
[ 1058.719370][ C0] ? __pfx___lock_release+0x10/0x10
[ 1058.719374][ C0] ? lock_acquire.part.0+0xeb/0x330
[ 1058.719385][ C0] ip6_link_failure+0x30/0x430
[ 1058.719393][ C0] ndisc_error_report+0x96/0x170
[ 1058.719399][ C0] neigh_invalidate+0x209/0x540
[ 1058.719409][ C0] neigh_timer_handler+0x87a/0xdf0
[ 1058.719418][ C0] ? __pfx_neigh_timer_handler+0x10/0x10
[ 1058.719421][ C0] call_timer_fn+0x13b/0x230
[ 1058.719424][ C0] ? call_timer_fn+0xe8/0x230
[ 1058.719427][ C0] ? call_timer_fn+0xe8/0x230
[ 1058.719431][ C0] ? __pfx_call_timer_fn+0x10/0x10
[ 1058.719434][ C0] ? hlock_class+0x4e/0x130
[ 1058.719442][ C0] ? mark_held_locks+0x9e/0xe0
[ 1058.719452][ C0] __run_timers+0x545/0x810
[ 1058.719456][ C0] ? __pfx_neigh_timer_handler+0x10/0x10
[ 1058.719466][ C0] ? __pfx___run_timers+0x10/0x10
[ 1058.719469][ C0] ? clockevents_program_event+0xf6/0x300
[ 1058.719478][ C0] ? do_raw_spin_lock+0x131/0x270
[ 1058.719483][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1058.719488][ C0] ? lock_acquire+0x32/0xc0
[ 1058.719490][ C0] ? run_timer_softirq+0xe6/0x1c0
[ 1058.719500][ C0] run_timer_softirq+0xee/0x1c0
[ 1058.719505][ C0] handle_softirqs+0x1f6/0x5c0
[ 1058.719518][ C0] __irq_exit_rcu+0xc4/0x100
[ 1058.719521][ C0] irq_exit_rcu+0xe/0x20
[ 1058.719524][ C0] sysvec_apic_timer_interrupt+0x78/0x90
[ 1058.719528][ C0]
[ 1058.719529][ C0]
[ 1058.719531][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1058.719535][ C0] RIP: 0010:lock_acquire.part.0+0x2/0x330
[ 1058.719539][ C0] Code: 44 24 08 8b 74 24 04 e9 27 ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 54 <49> 89 fc 48 bf 00 00 00 00 00 fc ff df 55 53 48 81 ec b8 00 00 00
[ 1058.719542][ C0] RSP: 0018:ffffc900005b79f8 EFLAGS: 00000292
[ 1058.719545][ C0] RAX: 0000000000000001 RBX: ffffc900005b7a40 RCX: 0000000000000002
[ 1058.719547][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c95aca0
[ 1058.719549][ C0] RBP: ffffc900005b7b20 R08: 0000000000000000 R09: 0000000000000000
[ 1058.719550][ C0] R10: ffffffff8d391197 R11: ffff888002062300 R12: 0000000000000001
[ 1058.719552][ C0] R13: 1ffff920000b6f42 R14: ffffffffffffffff R15: 0000000000000214
[ 1058.719569][ C0] mt_find+0x11d/0x3d0
[ 1058.719573][ C0] ? mt_find+0x109/0x3d0
[ 1058.719577][ C0] ? __pfx_mt_find+0x10/0x10
[ 1058.719589][ C0] ? mark_lock+0x38/0x3e0
[ 1058.719600][ C0] find_vma+0xa3/0x100
[ 1058.719604][ C0] ? __pfx_find_vma+0x10/0x10
[ 1058.719611][ C0] ? down_read_trylock+0x4b/0x60
[ 1058.719618][ C0] lock_mm_and_find_vma+0x40/0x530
[ 1058.719624][ C0] do_user_addr_fault+0x243/0xe30
[ 1058.719639][ C0] exc_page_fault+0x5e/0xd0
[ 1058.719644][ C0] asm_exc_page_fault+0x26/0x30
[ 1058.719647][ C0] RIP: 0010:strncpy_from_user+0xcb/0x210
[ 1058.719651][ C0] Code: 00 00 00 48 89 fa 48 c1 ea 03 42 80 3c 0a 00 0f 85 f1 00 00 00 49 83 ee 08 49 89 44 2d 00 48 83 c5 08 49 83 fe 07 76 7a 89 f2 <49> 8b 04 2c 85 d2 74 b6 49 bf 00 00 00 00 00 fc ff df 48 89 eb eb
[ 1058.719654][ C0] RSP: 0018:ffffc900005b7cf8 EFLAGS: 00050246
[ 1058.719656][ C0] RAX: 00007ffffffff000 RBX: 00007f2a961922b1 RCX: 0000000000000fe0
[ 1058.719658][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88800abed7e0
[ 1058.719659][ C0] RBP: 0000000000000000 R08: fefefefefefefeff R09: dffffc0000000000
[ 1058.719661][ C0] R10: ffff88800abee7bf R11: 0000000000000000 R12: 00007f2a961922b1
[ 1058.719663][ C0] R13: ffff88800abed7e0 R14: 0000000000000fe0 R15: 8080808080808080
[ 1058.719678][ C0] ? strncpy_from_user+0x44/0x210
[ 1058.719686][ C0] getname_flags+0x8e/0x410
[ 1058.719691][ C0] ? find_held_lock+0x2c/0x110
[ 1058.719697][ C0] user_path_at+0x23/0x70
[ 1058.719702][ C0] user_statfs+0x83/0x120
[ 1058.719708][ C0] ? __pfx_user_statfs+0x10/0x10
[ 1058.719714][ C0] ? lock_acquire+0x32/0xc0
[ 1058.719722][ C0] __do_sys_statfs+0x6b/0xd0
[ 1058.719727][ C0] ? __pfx___do_sys_statfs+0x10/0x10
[ 1058.719732][ C0] ? __rseq_handle_notify_resume+0x288/0x3e0
[ 1058.719735][ C0] ? do_user_addr_fault+0x374/0xe30
[ 1058.719742][ C0] ? __pfx___rseq_handle_notify_resume+0x10/0x10
[ 1058.719754][ C0] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1058.719759][ C0] do_syscall_64+0xc1/0x1d0
[ 1058.719766][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1058.719769][ C0] RIP: 0033:0x7f2a960174cb
[ 1058.719773][ C0] Code: c3 66 0f 1f 44 00 00 48 8b 05 31 a9 0b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 f3 0f 1e fa b8 89 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 01 a9 0b 00 f7 d8
[ 1058.719775][ C0] RSP: 002b:00007ffe943ae548 EFLAGS: 00000246 ORIG_RAX: 0000000000000089
[ 1058.719778][ C0] RAX: ffffffffffffffda RBX: 00007ffe943ae5c0 RCX: 00007f2a960174cb
[ 1058.719780][ C0] RDX: 0000000000000000 RSI: 00007ffe943ae5c0 RDI: 00007f2a961922b1
[ 1058.719781][ C0] RBP: 00007f2a961922b1 R08: 0000000000000000 R09: 00000000069682ac
[ 1058.719783][ C0] R10: fffffffffffffe90 R11: 0000000000000246 R12: 00007ffe943ae748
[ 1058.719784][ C0] R13: 00007ffe943ae798 R14: 00007f2a9619a870 R15: 0000000000000000
[ 1058.719800][ C0]
[ 1063.430423][T26427] br1: port 1(vx10) entered blocking state
[ 1063.430874][T26427] br1: port 1(vx10) entered disabled state
[ 1063.431260][T26427] vx10: entered allmulticast mode
[ 1063.434844][T26427] vx10: entered promiscuous mode
[ 1063.436195][T26427] br1: port 1(vx10) entered blocking state
[ 1063.436598][T26427] br1: port 1(vx10) entered forwarding state
[ 1063.839880][T26431] br1: port 2(vx20) entered blocking state
[ 1063.840205][T26431] br1: port 2(vx20) entered disabled state
[ 1063.840488][T26431] vx20: entered allmulticast mode
[ 1063.842472][T26431] vx20: entered promiscuous mode
[ 1063.843691][T26431] br1: port 2(vx20) entered blocking state
[ 1063.843976][T26431] br1: port 2(vx20) entered forwarding state
[ 1064.211113][T26435] br1: port 3(vx4001) entered blocking state
[ 1064.211397][T26435] br1: port 3(vx4001) entered disabled state
[ 1064.211666][T26435] vx4001: entered allmulticast mode
[ 1064.213623][T26435] vx4001: entered promiscuous mode
[ 1064.214150][T26435] br1: port 3(vx4001) entered blocking state
[ 1064.214388][T26435] br1: port 3(vx4001) entered forwarding state
[ 1064.402575][T26437] br1: port 4(w1) entered blocking state
[ 1064.402833][T26437] br1: port 4(w1) entered disabled state
[ 1064.403071][T26437] w1: entered allmulticast mode
[ 1064.405881][T26437] w1: entered promiscuous mode
[ 1064.491854][ T37] br1: port 4(w1) entered blocking state
[ 1064.492093][ T37] br1: port 4(w1) entered forwarding state
[ 1064.655620][T26440] br1: port 5(w3) entered blocking state
[ 1064.655980][T26440] br1: port 5(w3) entered disabled state
[ 1064.656217][T26440] w3: entered allmulticast mode
[ 1064.658140][T26440] w3: entered promiscuous mode
[ 1064.760560][ T37] br1: port 5(w3) entered blocking state
[ 1064.760812][ T37] br1: port 5(w3) entered forwarding state
[ 1065.519051][T26450] br1: entered promiscuous mode
[ 1065.522905][T26450] br1: left promiscuous mode
[ 1065.546418][T26450] br1: entered promiscuous mode
[ 1066.268595][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 1066.273774][ C3] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected!
[ 1066.335071][ C1] IPv6: vlan10-v: IPv6 duplicate address 2001:db8:1::3 used by 00:00:5e:00:01:01 detected!
[ 1066.381469][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 1066.524385][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 1066.652257][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 1066.653265][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 1066.653888][ C1] IPv6: vlan20-v: IPv6 duplicate address 2001:db8:2::3 used by 00:00:5e:00:01:01 detected!
[ 1066.845255][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 1066.846580][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 1084.463785][ T11] w3: left allmulticast mode
[ 1084.464126][ T11] w3: left promiscuous mode
[ 1084.464521][ T11] br1: port 5(w3) entered disabled state
[ 1084.466790][ T11] w1: left allmulticast mode
[ 1084.467005][ T11] w1: left promiscuous mode
[ 1084.467323][ T11] br1: port 4(w1) entered disabled state
[ 1084.468954][ T11] vx4001: left allmulticast mode
[ 1084.469194][ T11] vx4001: left promiscuous mode
[ 1084.469611][ T11] br1: port 3(vx4001) entered disabled state
[ 1084.475293][ T11] vx20: left allmulticast mode
[ 1084.475641][ T11] vx20: left promiscuous mode
[ 1084.476405][ T11] br1: port 2(vx20) entered disabled state
[ 1084.478935][ T11] vx10: left allmulticast mode
[ 1084.479224][ T11] vx10: left promiscuous mode
[ 1084.479754][ T11] br1: port 1(vx10) entered disabled state
[ 1086.832087][T26647] ip (26647) used greatest stack depth: 23304 bytes left
[ 1086.904226][T26648] br1: left promiscuous mode
[ 1087.590593][T26654] br1: port 4(veth2) entered disabled state
[ 1087.663017][T26655] veth2: left allmulticast mode
[ 1087.663258][T26655] veth2: left promiscuous mode
[ 1087.663566][T26655] br1: port 4(veth2) entered disabled state
[ 1087.814251][T26657] br1: port 3(veth1) entered disabled state
[ 1087.903237][T26658] veth1: left allmulticast mode
[ 1087.903468][T26658] veth1: left promiscuous mode
[ 1087.903791][T26658] br1: port 3(veth1) entered disabled state
[ 1088.078082][T26660] vx4001: left allmulticast mode
[ 1088.078367][T26660] vx4001: left promiscuous mode
[ 1088.078760][T26660] br1: port 5(vx4001) entered disabled state
[ 1088.479755][T26664] vx20: left allmulticast mode
[ 1088.480007][T26664] vx20: left promiscuous mode
[ 1088.480384][T26664] br1: port 2(vx20) entered disabled state
[ 1088.848691][T26668] vx10: left allmulticast mode
[ 1088.848955][T26668] vx10: left promiscuous mode
[ 1088.849289][T26668] br1: port 1(vx10) entered disabled state