[ 11.159004][ T249] ip (249) used greatest stack depth: 23216 bytes left
[ 14.052169][ T299] 8021q: 802.1Q VLAN Support v1.8
[ 17.316621][ T345] br1: port 1(vx100) entered blocking state
[ 17.317160][ T345] br1: port 1(vx100) entered disabled state
[ 17.317640][ T345] vx100: entered allmulticast mode
[ 17.319787][ T345] vx100: entered promiscuous mode
[ 17.320872][ T345] br1: port 1(vx100) entered blocking state
[ 17.321298][ T345] br1: port 1(vx100) entered forwarding state
[ 17.488632][ T347] br1: port 2(veth1) entered blocking state
[ 17.488949][ T347] br1: port 2(veth1) entered disabled state
[ 17.489240][ T347] veth1: entered allmulticast mode
[ 17.491879][ T347] veth1: entered promiscuous mode
[ 17.589487][ T208] br1: port 2(veth1) entered blocking state
[ 17.590010][ T208] br1: port 2(veth1) entered forwarding state
[ 17.746725][ T351] br1: port 3(veth2) entered blocking state
[ 17.747147][ T351] br1: port 3(veth2) entered disabled state
[ 17.747441][ T351] veth2: entered allmulticast mode
[ 17.749394][ T351] veth2: entered promiscuous mode
[ 17.837387][ T45] br1: port 3(veth2) entered blocking state
[ 17.837861][ T45] br1: port 3(veth2) entered forwarding state
[ 21.133585][ C3]
[ 21.133909][ C3] =============================
[ 21.134115][ C3] WARNING: suspicious RCU usage
[ 21.134315][ C3] 6.13.0-virtme #1 Not tainted
[ 21.134528][ C3] -----------------------------
[ 21.134747][ C3] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 21.135081][ C3]
[ 21.135081][ C3] other info that might help us debug this:
[ 21.135081][ C3]
[ 21.135459][ C3]
[ 21.135459][ C3] rcu_scheduler_active = 2, debug_locks = 1
[ 21.135764][ C3] 2 locks held by ip/398:
[ 21.135915][ C3] #0: ffff8880017b1190 (mapping.invalidate_lock){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x132/0x5e0
[ 21.136316][ C3] #1: ffffc90000290d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 21.136689][ C3]
[ 21.136689][ C3] stack backtrace:
[ 21.136957][ C3] CPU: 3 UID: 0 PID: 398 Comm: ip Not tainted 6.13.0-virtme #1
[ 21.136962][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.136964][ C3] Call Trace:
[ 21.136966][ C3]
[ 21.136968][ C3] dump_stack_lvl+0xb0/0xd0
[ 21.136976][ C3] lockdep_rcu_suspicious+0x1ea/0x280
[ 21.136985][ C3] icmp6_send+0x10ab/0x1bf0
[ 21.137004][ C3] ? __pfx_icmp6_send+0x10/0x10
[ 21.137013][ C3] ? __pfx_validate_chain+0x10/0x10
[ 21.137017][ C3] ? hlock_class+0x4e/0x130
[ 21.137020][ C3] ? mark_lock+0x38/0x3e0
[ 21.137030][ C3] ? __lock_acquire+0xb9a/0x1680
[ 21.137036][ C3] ? find_held_lock+0x2c/0x110
[ 21.137042][ C3] ? __lock_release+0x103/0x460
[ 21.137045][ C3] ? neigh_invalidate+0x1c7/0x540
[ 21.137050][ C3] ? __pfx___lock_release+0x10/0x10
[ 21.137053][ C3] ? lock_acquire.part.0+0xeb/0x330
[ 21.137064][ C3] ip6_link_failure+0x30/0x430
[ 21.137072][ C3] ndisc_error_report+0x96/0x170
[ 21.137079][ C3] neigh_invalidate+0x209/0x540
[ 21.137088][ C3] neigh_timer_handler+0x87a/0xdf0
[ 21.137097][ C3] ? __pfx_neigh_timer_handler+0x10/0x10
[ 21.137100][ C3] call_timer_fn+0x13b/0x230
[ 21.137104][ C3] ? call_timer_fn+0xe8/0x230
[ 21.137106][ C3] ? call_timer_fn+0xe8/0x230
[ 21.137110][ C3] ? __pfx_call_timer_fn+0x10/0x10
[ 21.137113][ C3] ? hlock_class+0x4e/0x130
[ 21.137121][ C3] ? mark_held_locks+0x9e/0xe0
[ 21.137132][ C3] __run_timers+0x545/0x810
[ 21.137135][ C3] ? __pfx_neigh_timer_handler+0x10/0x10
[ 21.137145][ C3] ? __pfx___run_timers+0x10/0x10
[ 21.137148][ C3] ? clockevents_program_event+0xf6/0x300
[ 21.137157][ C3] ? do_raw_spin_lock+0x131/0x270
[ 21.137163][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 21.137167][ C3] ? lock_acquire+0x32/0xc0
[ 21.137170][ C3] ? run_timer_softirq+0xe6/0x1c0
[ 21.137179][ C3] run_timer_softirq+0xee/0x1c0
[ 21.137184][ C3] handle_softirqs+0x1f6/0x5c0
[ 21.137197][ C3] __irq_exit_rcu+0xc4/0x100
[ 21.137200][ C3] irq_exit_rcu+0xe/0x20
[ 21.137203][ C3] sysvec_apic_timer_interrupt+0x78/0x90
[ 21.137207][ C3]
[ 21.137208][ C3]
[ 21.137210][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 21.137214][ C3] RIP: 0010:folio_alloc_noprof+0xee/0x200
[ 21.137219][ C3] Code: df 48 c1 ea 03 0f b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 f0 00 00 00 41 c7 44 24 34 01 00 00 00 4c 89 e7 2d 61 ff ff be 08 00 00 00 48 89 c5 48 89 c7 e8 ad f8 00 00 48
[ 21.137222][ C3] RSP: 0000:ffffc900008b78f0 EFLAGS: 00000246
[ 21.137225][ C3] RAX: 0000000000000007 RBX: ffffc900008b79e0 RCX: ffffffffa4eb65a8
[ 21.137228][ C3] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea000030d080
[ 21.137229][ C3] RBP: ffffea000030d0b4 R08: 0000000000000001 R09: fffff94000061a16
[ 21.137231][ C3] R10: ffffea000030d0b7 R11: ffff88800ac50040 R12: ffffea000030d080
[ 21.137233][ C3] R13: ffffea0000d30280 R14: 0000000000000116 R15: ffff8880017b10c8
[ 21.137242][ C3] ? folio_alloc_noprof+0xb8/0x200
[ 21.137251][ C3] ractl_alloc_folio.constprop.0+0x14/0x90
[ 21.137257][ C3] page_cache_ra_unbounded+0x1f9/0x5e0
[ 21.137271][ C3] do_sync_mmap_readahead+0x4ef/0x910
[ 21.137280][ C3] ? __pfx_do_sync_mmap_readahead+0x10/0x10
[ 21.137293][ C3] ? __filemap_get_folio+0x45/0x670
[ 21.137300][ C3] filemap_fault+0xa61/0x13f0
[ 21.137306][ C3] ? __lock_release+0x103/0x460
[ 21.137309][ C3] ? do_fault_around+0x2c6/0x4c0
[ 21.137315][ C3] ? __pfx___lock_release+0x10/0x10
[ 21.137320][ C3] ? __pfx_filemap_fault+0x10/0x10
[ 21.137330][ C3] ? do_fault_around+0x2c6/0x4c0
[ 21.137334][ C3] ? __pfx_filemap_map_pages+0x10/0x10
[ 21.137343][ C3] __do_fault+0xed/0x3a0
[ 21.137349][ C3] do_pte_missing+0x4af/0xb70
[ 21.137351][ C3] ? handle_pte_fault+0x3c9/0x700
[ 21.137358][ C3] handle_pte_fault+0x3fe/0x700
[ 21.137364][ C3] ? __pfx_handle_pte_fault+0x10/0x10
[ 21.137377][ C3] __handle_mm_fault+0x403/0x5e0
[ 21.137381][ C3] ? __pfx___handle_mm_fault+0x10/0x10
[ 21.137399][ C3] ? __pfx_lock_vma_under_rcu+0x10/0x10
[ 21.137406][ C3] handle_mm_fault+0x1f1/0x410
[ 21.137410][ C3] ? __pfx_handle_mm_fault+0x10/0x10
[ 21.137423][ C3] do_user_addr_fault+0x56f/0xe30
[ 21.137437][ C3] exc_page_fault+0x5e/0xd0
[ 21.137443][ C3] asm_exc_page_fault+0x26/0x30
[ 21.137445][ C3] RIP: 0033:0x7f6a6bc5a970
[ 21.137453][ C3] Code: Unable to access opcode bytes at 0x7f6a6bc5a946.
[ 21.137454][ C3] RSP: 002b:00007ffc433adb38 EFLAGS: 00010246
[ 21.137456][ C3] RAX: 0000000000000000 RBX: 00007f6a6be01870 RCX: 00007f6a6be01930
[ 21.137458][ C3] RDX: 00007ffc433adc68 RSI: 00007ffc433adc28 RDI: 000000000000001e
[ 21.137459][ C3] RBP: 0000000000000007 R08: 0000000000000000 R09: 00000000069682ac
[ 21.137461][ C3] R10: fffffffffffffe90 R11: 0000000000000246 R12: 00007ffc433adc28
[ 21.137462][ C3] R13: 00007ffc433adc68 R14: 00007f6a6be01870 R15: 0000000000000000
[ 21.137478][ C3]
[ 21.176685][ T398] br2: port 1(w1) entered blocking state
[ 21.176995][ T398] br2: port 1(w1) entered disabled state
[ 21.177264][ T398] w1: entered allmulticast mode
[ 21.179435][ T398] w1: entered promiscuous mode
[ 21.751707][ T405] br2: port 2(vx100) entered blocking state
[ 21.752007][ T405] br2: port 2(vx100) entered disabled state
[ 21.752290][ T405] vx100: entered allmulticast mode
[ 21.754643][ T405] vx100: entered promiscuous mode
[ 21.755194][ T405] br2: port 2(vx100) entered blocking state
[ 21.755453][ T405] br2: port 2(vx100) entered forwarding state
[ 22.478310][ T208] br2: port 1(w1) entered blocking state
[ 22.478849][ T208] br2: port 1(w1) entered forwarding state
[ 24.769274][ T445] br2: port 1(w1) entered blocking state
[ 24.769528][ T445] br2: port 1(w1) entered disabled state
[ 24.770154][ T445] w1: entered allmulticast mode
[ 24.772171][ T445] w1: entered promiscuous mode
[ 25.368489][ T452] br2: port 2(vx100) entered blocking state
[ 25.368813][ T452] br2: port 2(vx100) entered disabled state
[ 25.369084][ T452] vx100: entered allmulticast mode
[ 25.370955][ T452] vx100: entered promiscuous mode
[ 25.372553][ T452] br2: port 2(vx100) entered blocking state
[ 25.372821][ T452] br2: port 2(vx100) entered forwarding state
[ 26.039792][ T208] br2: port 1(w1) entered blocking state
[ 26.040062][ T208] br2: port 1(w1) entered forwarding state
[ 38.282682][ T65] vx100: left allmulticast mode
[ 38.283003][ T65] vx100: left promiscuous mode
[ 38.283366][ T65] br2: port 2(vx100) entered disabled state
[ 38.290153][ T65] w1: left allmulticast mode
[ 38.290368][ T65] w1: left promiscuous mode
[ 38.290699][ T65] br2: port 1(w1) entered disabled state
[ 38.821937][ T65] vx100: left allmulticast mode
[ 38.822205][ T65] vx100: left promiscuous mode
[ 38.822542][ T65] br2: port 2(vx100) entered disabled state
[ 38.824738][ T65] w1: left allmulticast mode
[ 38.824965][ T65] w1: left promiscuous mode
[ 38.825302][ T65] br2: port 1(w1) entered disabled state
[ 40.907481][ T575] br1: port 3(veth2) entered disabled state
[ 40.989521][ T576] veth2: left allmulticast mode
[ 40.989818][ T576] veth2: left promiscuous mode
[ 40.990160][ T576] br1: port 3(veth2) entered disabled state
[ 41.153845][ T578] br1: port 2(veth1) entered disabled state
[ 41.232814][ T579] veth1: left allmulticast mode
[ 41.233080][ T579] veth1: left promiscuous mode
[ 41.233409][ T579] br1: port 2(veth1) entered disabled state
[ 41.316427][ T580] vx100: left allmulticast mode
[ 41.316708][ T580] vx100: left promiscuous mode
[ 41.317038][ T580] br1: port 1(vx100) entered disabled state