[ 397.208985][ T2643] br1: port 1(vx1) entered blocking state
[ 397.209510][ T2643] br1: port 1(vx1) entered disabled state
[ 397.209925][ T2643] vx1: entered allmulticast mode
[ 397.213158][ T2643] vx1: entered promiscuous mode
[ 397.215551][ T2643] br1: port 1(vx1) entered blocking state
[ 397.215903][ T2643] br1: port 1(vx1) entered forwarding state
[ 397.304471][ T2644] br1: port 2(veth1) entered blocking state
[ 397.304822][ T2644] br1: port 2(veth1) entered disabled state
[ 397.305181][ T2644] veth1: entered allmulticast mode
[ 397.308985][ T2644] veth1: entered promiscuous mode
[ 397.436230][ T851] br1: port 2(veth1) entered blocking state
[ 397.436739][ T851] br1: port 2(veth1) entered forwarding state
[ 397.702380][ T2647] br1: port 3(veth2) entered blocking state
[ 397.702941][ T2647] br1: port 3(veth2) entered disabled state
[ 397.703452][ T2647] veth2: entered allmulticast mode
[ 397.726461][ T2647] veth2: entered promiscuous mode
[ 397.842937][ T37] br1: port 3(veth2) entered blocking state
[ 397.843292][ T37] br1: port 3(veth2) entered forwarding state
[ 401.027358][ C2]
[ 401.027815][ C2] =============================
[ 401.028068][ C2] WARNING: suspicious RCU usage
[ 401.028356][ C2] 6.13.0-virtme #1 Not tainted
[ 401.028961][ C2] -----------------------------
[ 401.029196][ C2] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 401.029635][ C2]
[ 401.029635][ C2] other info that might help us debug this:
[ 401.029635][ C2]
[ 401.030095][ C2]
[ 401.030095][ C2] rcu_scheduler_active = 2, debug_locks = 1
[ 401.030420][ C2] 3 locks held by ip/2687:
[ 401.030650][ C2] #0: ffff8880016fcb90 (mapping.invalidate_lock){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x132/0x5e0
[ 401.031095][ C2] #1: ffff888009b9d1c8 (&fc->bg_lock){+.+.}-{3:3}, at: fuse_request_queue_background+0x2eb/0x620
[ 401.031556][ C2] #2: ffffc90000238d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 401.031943][ C2]
[ 401.031943][ C2] stack backtrace:
[ 401.032262][ C2] CPU: 2 UID: 0 PID: 2687 Comm: ip Not tainted 6.13.0-virtme #1
[ 401.032268][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 401.032270][ C2] Call Trace:
[ 401.032273][ C2]
[ 401.032276][ C2] dump_stack_lvl+0xb0/0xd0
[ 401.032286][ C2] lockdep_rcu_suspicious+0x1ea/0x280
[ 401.032297][ C2] icmp6_send+0x10ab/0x1bf0
[ 401.032318][ C2] ? __pfx_icmp6_send+0x10/0x10
[ 401.032327][ C2] ? __pfx_validate_chain+0x10/0x10
[ 401.032333][ C2] ? hlock_class+0x4e/0x130
[ 401.032337][ C2] ? mark_lock+0x38/0x3e0
[ 401.032346][ C2] ? __lock_acquire+0xb9a/0x1680
[ 401.032353][ C2] ? find_held_lock+0x2c/0x110
[ 401.032360][ C2] ? __lock_release+0x103/0x460
[ 401.032363][ C2] ? neigh_invalidate+0x1c7/0x540
[ 401.032368][ C2] ? __pfx___lock_release+0x10/0x10
[ 401.032372][ C2] ? lock_acquire.part.0+0xeb/0x330
[ 401.032383][ C2] ip6_link_failure+0x30/0x430
[ 401.032392][ C2] ndisc_error_report+0x96/0x170
[ 401.032400][ C2] neigh_invalidate+0x209/0x540
[ 401.032409][ C2] neigh_timer_handler+0x87a/0xdf0
[ 401.032419][ C2] ? __pfx_neigh_timer_handler+0x10/0x10
[ 401.032423][ C2] call_timer_fn+0x13b/0x230
[ 401.032427][ C2] ? call_timer_fn+0xe8/0x230
[ 401.032430][ C2] ? call_timer_fn+0xe8/0x230
[ 401.032434][ C2] ? __pfx_call_timer_fn+0x10/0x10
[ 401.032437][ C2] ? hlock_class+0x4e/0x130
[ 401.032445][ C2] ? mark_held_locks+0x9e/0xe0
[ 401.032456][ C2] __run_timers+0x545/0x810
[ 401.032459][ C2] ? __pfx_neigh_timer_handler+0x10/0x10
[ 401.032470][ C2] ? __pfx___run_timers+0x10/0x10
[ 401.032472][ C2] ? clockevents_program_event+0xf6/0x300
[ 401.032483][ C2] ? do_raw_spin_lock+0x131/0x270
[ 401.032489][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 401.032493][ C2] ? lock_acquire+0x32/0xc0
[ 401.032496][ C2] ? run_timer_softirq+0xe6/0x1c0
[ 401.032506][ C2] run_timer_softirq+0xee/0x1c0
[ 401.032511][ C2] handle_softirqs+0x1f6/0x5c0
[ 401.032524][ C2] __irq_exit_rcu+0xc4/0x100
[ 401.032527][ C2] irq_exit_rcu+0xe/0x20
[ 401.032530][ C2] sysvec_apic_timer_interrupt+0x78/0x90
[ 401.032535][ C2]
[ 401.032536][ C2]
[ 401.032539][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 401.032544][ C2] RIP: 0010:unwind_next_frame+0x1494/0x1d00
[ 401.032550][ C2] Code: 0f 84 25 ef ff ff 48 89 ef e8 38 dc ff ff 49 8d 7d 50 48 89 fa 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 84 40 fe ff ff e8 f1 a3 8c 00 e9 36 fe ff ff 48 b8 00 00 00 00
[ 401.032553][ C2] RSP: 0000:ffffc900006b6dc0 EFLAGS: 00000246
[ 401.032556][ C2] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc900006b8000
[ 401.032558][ C2] RDX: 1ffff920000d6de2 RSI: 0000000000000001 RDI: ffffc900006b6f10
[ 401.032560][ C2] RBP: ffff888004fcce20 R08: ffffc900006b6f00 R09: 1ffff920000d6dc1
[ 401.032562][ C2] R10: ffffc900006b6ec0 R11: ffffc900006b6f01 R12: 1ffff920000d6dc1
[ 401.032563][ C2] R13: ffffc900006b6ec0 R14: ffffffffbb888818 R15: ffffc900006b75f8
[ 401.032581][ C2] ? fuse_request_queue_background+0x476/0x620
[ 401.032592][ C2] ? __pfx_unwind_next_frame+0x10/0x10
[ 401.032600][ C2] ? fuse_request_queue_background+0x476/0x620
[ 401.032603][ C2] ? kernel_text_address+0x17/0xe0
[ 401.032610][ C2] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 401.032619][ C2] arch_stack_walk+0x8c/0xf0
[ 401.032631][ C2] ? fuse_simple_background+0x10a/0x180
[ 401.032638][ C2] ? __pfx_free_object_rcu+0x10/0x10
[ 401.032646][ C2] stack_trace_save+0x94/0xd0
[ 401.032650][ C2] ? __pfx_stack_trace_save+0x10/0x10
[ 401.032657][ C2] ? __pfx_validate_chain+0x10/0x10
[ 401.032661][ C2] ? hlock_class+0x4e/0x130
[ 401.032664][ C2] ? mark_lock+0x38/0x3e0
[ 401.032669][ C2] kasan_save_stack+0x24/0x50
[ 401.032674][ C2] ? kasan_save_stack+0x24/0x50
[ 401.032677][ C2] ? kasan_record_aux_stack+0x8c/0xa0
[ 401.032680][ C2] ? __call_rcu_common.constprop.0+0xa1/0x5b0
[ 401.032685][ C2] ? kfree+0x205/0x320
[ 401.032691][ C2] ? virtio_fs_enqueue_req+0x73d/0xfe0
[ 401.032697][ C2] ? virtio_fs_send_req+0x13a/0x710
[ 401.032700][ C2] ? flush_bg_queue+0x160/0x3d0
[ 401.032702][ C2] ? fuse_request_queue_background+0x476/0x620
[ 401.032715][ C2] ? find_held_lock+0x2c/0x110
[ 401.032721][ C2] ? __lock_release+0x103/0x460
[ 401.032724][ C2] ? __virt_addr_valid+0x22b/0x430
[ 401.032730][ C2] ? __pfx___lock_release+0x10/0x10
[ 401.032733][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 401.032745][ C2] ? __virt_addr_valid+0x22b/0x430
[ 401.032748][ C2] ? __pfx_free_object_rcu+0x10/0x10
[ 401.032755][ C2] ? __virt_addr_valid+0x230/0x430
[ 401.032762][ C2] kasan_record_aux_stack+0x8c/0xa0
[ 401.032766][ C2] __call_rcu_common.constprop.0+0xa1/0x5b0
[ 401.032775][ C2] kfree+0x205/0x320
[ 401.032778][ C2] ? virtio_fs_enqueue_req+0x726/0xfe0
[ 401.032781][ C2] ? virtio_fs_enqueue_req+0x73d/0xfe0
[ 401.032789][ C2] virtio_fs_enqueue_req+0x73d/0xfe0
[ 401.032802][ C2] ? __pfx_virtio_fs_enqueue_req+0x10/0x10
[ 401.032815][ C2] ? find_held_lock+0x2c/0x110
[ 401.032821][ C2] ? __lock_release+0x103/0x460
[ 401.032823][ C2] ? fuse_get_unique+0x54/0x70
[ 401.032830][ C2] ? __pfx___lock_release+0x10/0x10
[ 401.032834][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 401.032839][ C2] ? do_raw_spin_lock+0x131/0x270
[ 401.032844][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 401.032851][ C2] ? fuse_get_unique+0x54/0x70
[ 401.032856][ C2] ? do_raw_spin_unlock+0x58/0x220
[ 401.032865][ C2] virtio_fs_send_req+0x13a/0x710
[ 401.032869][ C2] ? fuse_send_one+0xe1/0x180
[ 401.032875][ C2] flush_bg_queue+0x160/0x3d0
[ 401.032886][ C2] fuse_request_queue_background+0x476/0x620
[ 401.032894][ C2] fuse_simple_background+0x10a/0x180
[ 401.032899][ C2] fuse_send_readpages+0x593/0x940
[ 401.032910][ C2] fuse_readahead+0x792/0xab0
[ 401.032926][ C2] ? __pfx_fuse_readahead+0x10/0x10
[ 401.032932][ C2] ? __lock_release+0x103/0x460
[ 401.032935][ C2] ? __folio_batch_add_and_move+0x35b/0x880
[ 401.032940][ C2] ? __pfx___lock_release+0x10/0x10
[ 401.032943][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 401.032954][ C2] read_pages+0x185/0xaa0
[ 401.032959][ C2] ? __folio_batch_add_and_move+0x35b/0x880
[ 401.032970][ C2] ? __pfx_read_pages+0x10/0x10
[ 401.032989][ C2] page_cache_ra_unbounded+0x2f3/0x5e0
[ 401.033004][ C2] do_sync_mmap_readahead+0x4ef/0x910
[ 401.033011][ C2] ? __pfx_do_sync_mmap_readahead+0x10/0x10
[ 401.033024][ C2] ? __filemap_get_folio+0x45/0x670
[ 401.033032][ C2] filemap_fault+0xa61/0x13f0
[ 401.033038][ C2] ? alloc_pages_mpol+0xc0/0x3a0
[ 401.033042][ C2] ? __lock_release+0x103/0x460
[ 401.033047][ C2] ? __pfx_alloc_pages_mpol+0x10/0x10
[ 401.033049][ C2] ? __pfx___lock_release+0x10/0x10
[ 401.033053][ C2] ? __pfx_filemap_fault+0x10/0x10
[ 401.033055][ C2] ? __up_read+0x1a7/0x780
[ 401.033066][ C2] ? vma_alloc_folio_noprof+0x1a3/0x350
[ 401.033069][ C2] ? __vmf_anon_prepare+0x15d/0x1e0
[ 401.033076][ C2] ? __pfx_vma_alloc_folio_noprof+0x10/0x10
[ 401.033084][ C2] __do_fault+0xed/0x3a0
[ 401.033090][ C2] do_pte_missing+0x33a/0xb70
[ 401.033092][ C2] ? handle_pte_fault+0x3c9/0x700
[ 401.033099][ C2] handle_pte_fault+0x3fe/0x700
[ 401.033106][ C2] ? __pfx_handle_pte_fault+0x10/0x10
[ 401.033118][ C2] __handle_mm_fault+0x403/0x5e0
[ 401.033123][ C2] ? __pfx___handle_mm_fault+0x10/0x10
[ 401.033141][ C2] ? __pfx_lock_vma_under_rcu+0x10/0x10
[ 401.033148][ C2] handle_mm_fault+0x1f1/0x410
[ 401.033153][ C2] ? __pfx_handle_mm_fault+0x10/0x10
[ 401.033165][ C2] do_user_addr_fault+0x56f/0xe30
[ 401.033179][ C2] exc_page_fault+0x5e/0xd0
[ 401.033184][ C2] asm_exc_page_fault+0x26/0x30
[ 401.033187][ C2] RIP: 0033:0x7fdeaf6329aa
[ 401.033192][ C2] Code: 0f 61 c0 66 0f 70 c0 00 48 83 fa 10 0f 82 7e 00 00 00 48 83 fa 20 77 12 0f 11 44 17 f0 0f 11 07 c3 0f 11 47 e0 0f 11 47 f0 c3 <0f> 11 07 0f 11 47 10 48 01 d7 48 83 fa 40 76 e7 0f 11 40 20 0f 11
[ 401.033194][ C2] RSP: 002b:00007fff2a3e9978 EFLAGS: 00010206
[ 401.033196][ C2] RAX: 00007fdeaf35c155 RBX: 0000000000000004 RCX: 00007fdeaf35c230
[ 401.033198][ C2] RDX: 00000000000000db RSI: 0000000000000000 RDI: 00007fdeaf35c155
[ 401.033200][ C2] RBP: 00007fff2a3e9ce0 R08: 00007fdeaf35c155 R09: 000000000009b000
[ 401.033201][ C2] R10: 0000000000000003 R11: 0000000000000206 R12: 00007fff2a3e9a10
[ 401.033203][ C2] R13: 00007fff2a3e9d80 R14: 00007fdeaf35c230 R15: 00007fdeaf56fa30
[ 401.033219][ C2]
[ 401.655273][ T2692] br2: port 1(w1) entered blocking state
[ 401.655587][ T2692] br2: port 1(w1) entered disabled state
[ 401.655833][ T2692] w1: entered allmulticast mode
[ 401.657892][ T2692] w1: entered promiscuous mode
[ 402.317526][ T2698] br2: port 2(vx2) entered blocking state
[ 402.317916][ T2698] br2: port 2(vx2) entered disabled state
[ 402.318270][ T2698] vx2: entered allmulticast mode
[ 402.321900][ T2698] vx2: entered promiscuous mode
[ 402.323288][ T2698] br2: port 2(vx2) entered blocking state
[ 402.323674][ T2698] br2: port 2(vx2) entered forwarding state
[ 403.074435][ T891] br2: port 1(w1) entered blocking state
[ 403.074741][ T891] br2: port 1(w1) entered forwarding state
[ 405.236630][ T2732] br2: port 1(w1) entered blocking state
[ 405.236912][ T2732] br2: port 1(w1) entered disabled state
[ 405.237151][ T2732] w1: entered allmulticast mode
[ 405.240043][ T2732] w1: entered promiscuous mode
[ 405.892615][ T2738] br2: port 2(vx2) entered blocking state
[ 405.893015][ T2738] br2: port 2(vx2) entered disabled state
[ 405.893368][ T2738] vx2: entered allmulticast mode
[ 405.896479][ T2738] vx2: entered promiscuous mode
[ 405.897711][ T2738] br2: port 2(vx2) entered blocking state
[ 405.898019][ T2738] br2: port 2(vx2) entered forwarding state
[ 406.657973][ T37] br2: port 1(w1) entered blocking state
[ 406.658245][ T37] br2: port 1(w1) entered forwarding state
[ 416.194166][ T2811] GACT probability NOT on
[ 473.932253][ T3078] veth3: entered promiscuous mode
[ 506.758323][ T3567] veth3: left promiscuous mode
[ 531.535984][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 531.638045][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 531.739052][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 531.840005][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 531.941197][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 532.042221][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 532.143261][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 532.244228][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 532.345197][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 532.446293][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 536.598446][ C2] net_ratelimit: 1 callbacks suppressed
[ 536.598455][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 536.699789][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 536.801190][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 536.902621][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 537.003934][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 537.105302][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 537.206670][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 537.307908][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 537.409033][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 600.867438][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 600.969081][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 601.070067][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 601.171023][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 601.272023][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 601.373198][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 601.474168][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 601.575211][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 601.676315][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 601.777417][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 603.430446][ T4537] vx1: left allmulticast mode
[ 603.430715][ T4537] vx1: left promiscuous mode
[ 603.431063][ T4537] br1: port 1(vx1) entered disabled state
[ 608.910102][ T4542] br1: port 1(vx1) entered blocking state
[ 608.910498][ T4542] br1: port 1(vx1) entered disabled state
[ 608.910956][ T4542] vx1: entered allmulticast mode
[ 608.915109][ T4542] vx1: entered promiscuous mode
[ 608.916417][ T4542] br1: port 1(vx1) entered blocking state
[ 608.916751][ T4542] br1: port 1(vx1) entered forwarding state
[ 673.781226][ T4829] veth3: entered promiscuous mode
[ 703.840961][ T5318] veth3: left promiscuous mode
[ 704.645926][ T69] vx2: left allmulticast mode
[ 704.646240][ T69] vx2: left promiscuous mode
[ 704.646752][ T69] br2: port 2(vx2) entered disabled state
[ 704.648900][ T69] w1: left allmulticast mode
[ 704.649103][ T69] w1: left promiscuous mode
[ 704.649899][ T69] br2: port 1(w1) entered disabled state
[ 705.136541][ T69] vx2: left allmulticast mode
[ 705.136815][ T69] vx2: left promiscuous mode
[ 705.137162][ T69] br2: port 2(vx2) entered disabled state
[ 705.138714][ T69] w1: left allmulticast mode
[ 705.138948][ T69] w1: left promiscuous mode
[ 705.139284][ T69] br2: port 1(w1) entered disabled state
[ 707.236176][ T5357] br1: port 3(veth2) entered disabled state
[ 707.304246][ T5358] veth2: left allmulticast mode
[ 707.304493][ T5358] veth2: left promiscuous mode
[ 707.304809][ T5358] br1: port 3(veth2) entered disabled state
[ 707.527679][ T5360] br1: port 2(veth1) entered disabled state
[ 707.599790][ T5361] veth1: left allmulticast mode
[ 707.600065][ T5361] veth1: left promiscuous mode
[ 707.600414][ T5361] br1: port 2(veth1) entered disabled state
[ 707.672280][ T5362] vx1: left allmulticast mode
[ 707.672565][ T5362] vx1: left promiscuous mode
[ 707.672880][ T5362] br1: port 1(vx1) entered disabled state