[ 13.540517][ T300] 8021q: 802.1Q VLAN Support v1.8
[ 17.060070][ T347] br1: port 1(vx100) entered blocking state
[ 17.060576][ T347] br1: port 1(vx100) entered disabled state
[ 17.061073][ T347] vx100: entered allmulticast mode
[ 17.063201][ T347] vx100: entered promiscuous mode
[ 17.064185][ T347] br1: port 1(vx100) entered blocking state
[ 17.064553][ T347] br1: port 1(vx100) entered forwarding state
[ 17.239380][ T349] br1: port 2(veth1) entered blocking state
[ 17.239737][ T349] br1: port 2(veth1) entered disabled state
[ 17.240025][ T349] veth1: entered allmulticast mode
[ 17.242300][ T349] veth1: entered promiscuous mode
[ 17.334702][ T37] br1: port 2(veth1) entered blocking state
[ 17.335177][ T37] br1: port 2(veth1) entered forwarding state
[ 17.504073][ T352] br1: port 3(veth2) entered blocking state
[ 17.504399][ T352] br1: port 3(veth2) entered disabled state
[ 17.504747][ T352] veth2: entered allmulticast mode
[ 17.506686][ T352] veth2: entered promiscuous mode
[ 17.588827][ T40] br1: port 3(veth2) entered blocking state
[ 17.589339][ T40] br1: port 3(veth2) entered forwarding state
[ 20.948319][ T400] br2: port 1(w1) entered blocking state
[ 20.948613][ T400] br2: port 1(w1) entered disabled state
[ 20.948897][ T400] w1: entered allmulticast mode
[ 20.951104][ T400] w1: entered promiscuous mode
[ 21.550000][ T407] br2: port 2(vx100) entered blocking state
[ 21.550321][ T407] br2: port 2(vx100) entered disabled state
[ 21.550636][ T407] vx100: entered allmulticast mode
[ 21.553064][ T407] vx100: entered promiscuous mode
[ 21.553635][ T407] br2: port 2(vx100) entered blocking state
[ 21.553969][ T407] br2: port 2(vx100) entered forwarding state
[ 22.286346][ T37] br2: port 1(w1) entered blocking state
[ 22.286902][ T37] br2: port 1(w1) entered forwarding state
[ 22.920566][ C0]
[ 22.920971][ C0] =============================
[ 22.921199][ C0] WARNING: suspicious RCU usage
[ 22.921414][ C0] 6.13.0-virtme #1 Not tainted
[ 22.921639][ C0] -----------------------------
[ 22.921847][ C0] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 22.922208][ C0]
[ 22.922208][ C0] other info that might help us debug this:
[ 22.922208][ C0]
[ 22.922622][ C0]
[ 22.922622][ C0] rcu_scheduler_active = 2, debug_locks = 1
[ 22.922935][ C0] 5 locks held by bash/423:
[ 22.923196][ C0] #0: ffff88800255c8f8 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: bprm_execve+0x4f/0x540
[ 22.923616][ C0] #1: ffff88800b7c2010 (mapping.invalidate_lock){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x132/0x5e0
[ 22.924052][ C0] #2: ffff8880096951c8 (&fc->bg_lock){+.+.}-{3:3}, at: fuse_request_queue_background+0x2eb/0x620
[ 22.924481][ C0] #3: ffff888005d4f1d8 (&fsvq->lock){+.+.}-{3:3}, at: virtio_fs_enqueue_req+0x4f9/0xfe0
[ 22.924868][ C0] #4: ffffc90000007ae8 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 22.925253][ C0]
[ 22.925253][ C0] stack backtrace:
[ 22.925522][ C0] CPU: 0 UID: 0 PID: 423 Comm: bash Not tainted 6.13.0-virtme #1
[ 22.925527][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.925530][ C0] Call Trace:
[ 22.925532][ C0]
[ 22.925535][ C0] dump_stack_lvl+0xb0/0xd0
[ 22.925545][ C0] lockdep_rcu_suspicious+0x1ea/0x280
[ 22.925556][ C0] __icmp_send+0xb0d/0x1580
[ 22.925572][ C0] ? __pfx___icmp_send+0x10/0x10
[ 22.925578][ C0] ? rcu_read_lock_any_held+0x43/0xb0
[ 22.925584][ C0] ? validate_chain+0x1fe/0xae0
[ 22.925590][ C0] ? __pfx_validate_chain+0x10/0x10
[ 22.925597][ C0] ? rcu_read_lock_any_held+0x43/0xb0
[ 22.925599][ C0] ? validate_chain+0x1fe/0xae0
[ 22.925612][ C0] ? __pfx_validate_chain+0x10/0x10
[ 22.925616][ C0] ? hlock_class+0x4e/0x130
[ 22.925619][ C0] ? mark_lock+0x38/0x3e0
[ 22.925629][ C0] ? __lock_acquire+0xb9a/0x1680
[ 22.925638][ C0] ipv4_send_dest_unreach+0x3b4/0x800
[ 22.925644][ C0] ? neigh_invalidate+0x1c7/0x540
[ 22.925650][ C0] ? __pfx_ipv4_send_dest_unreach+0x10/0x10
[ 22.925663][ C0] ipv4_link_failure+0x1b/0x190
[ 22.925668][ C0] arp_error_report+0x96/0x170
[ 22.925676][ C0] neigh_invalidate+0x209/0x540
[ 22.925685][ C0] neigh_timer_handler+0x87a/0xdf0
[ 22.925694][ C0] ? __pfx_neigh_timer_handler+0x10/0x10
[ 22.925698][ C0] call_timer_fn+0x13b/0x230
[ 22.925701][ C0] ? call_timer_fn+0xe8/0x230
[ 22.925703][ C0] ? call_timer_fn+0xe8/0x230
[ 22.925707][ C0] ? __pfx_call_timer_fn+0x10/0x10
[ 22.925711][ C0] ? hlock_class+0x4e/0x130
[ 22.925718][ C0] ? mark_held_locks+0x9e/0xe0
[ 22.925729][ C0] __run_timers+0x545/0x810
[ 22.925733][ C0] ? __pfx_neigh_timer_handler+0x10/0x10
[ 22.925743][ C0] ? __pfx___run_timers+0x10/0x10
[ 22.925746][ C0] ? __lock_release+0x103/0x460
[ 22.925754][ C0] ? do_raw_spin_lock+0x131/0x270
[ 22.925760][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 22.925765][ C0] ? lock_acquire+0x32/0xc0
[ 22.925768][ C0] ? timer_expire_remote+0x96/0xf0
[ 22.925778][ C0] timer_expire_remote+0x9e/0xf0
[ 22.925782][ C0] tmigr_handle_remote_cpu+0x278/0x440
[ 22.925790][ C0] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10
[ 22.925793][ C0] ? __pfx___lock_release+0x10/0x10
[ 22.925798][ C0] ? hlock_class+0x4e/0x130
[ 22.925800][ C0] ? mark_lock+0x38/0x3e0
[ 22.925807][ C0] ? mark_held_locks+0x9e/0xe0
[ 22.925818][ C0] tmigr_handle_remote_up+0x1a6/0x270
[ 22.925824][ C0] ? __pfx_tmigr_handle_remote_up+0x10/0x10
[ 22.925829][ C0] __walk_groups.isra.0+0x44/0x160
[ 22.925840][ C0] tmigr_handle_remote+0x20b/0x300
[ 22.925845][ C0] ? __pfx_tmigr_handle_remote+0x10/0x10
[ 22.925849][ C0] ? hlock_class+0x4e/0x130
[ 22.925857][ C0] ? mark_held_locks+0x9e/0xe0
[ 22.925866][ C0] handle_softirqs+0x1f6/0x5c0
[ 22.925880][ C0] __irq_exit_rcu+0xc4/0x100
[ 22.925883][ C0] irq_exit_rcu+0xe/0x20
[ 22.925886][ C0] sysvec_apic_timer_interrupt+0x78/0x90
[ 22.925890][ C0]
[ 22.925891][ C0]
[ 22.925894][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 22.925899][ C0] RIP: 0010:lock_acquire.part.0+0x119/0x330
[ 22.925903][ C0] Code: ff 48 83 c4 28 65 0f c1 05 24 cb e6 49 83 f8 01 0f 85 b5 01 00 00 9c 58 f6 c4 02 0f 85 be 01 00 00 48 85 ed 0f 85 9b 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7
[ 22.925906][ C0] RSP: 0018:ffffc900009c6eb0 EFLAGS: 00000206
[ 22.925910][ C0] RAX: 0000000000000046 RBX: 1ffff92000138dd9 RCX: 0000000000000001
[ 22.925912][ C0] RDX: 1ffff11001e05a00 RSI: 00000000ffffffff RDI: ffff88800f02d0a2
[ 22.925913][ C0] RBP: 0000000000000200 R08: 0000000000000001 R09: fffffbfff77443e8
[ 22.925915][ C0] R10: ffffffffbba21f47 R11: ffff88800f02c5c0 R12: ffff888005d4f1d8
[ 22.925917][ C0] R13: ffff8880028a9b40 R14: ffff8880053f0d00 R15: ffff888005d4f1c0
[ 22.925934][ C0] ? kasan_save_track+0x14/0x30
[ 22.925942][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 22.925947][ C0] ? trace_lock_acquire+0x14c/0x1f0
[ 22.925949][ C0] ? sg_init_table+0x19/0x70
[ 22.925958][ C0] ? lock_acquire+0x32/0xc0
[ 22.925961][ C0] ? virtio_fs_enqueue_req+0x4f9/0xfe0
[ 22.925969][ C0] _raw_spin_lock+0x30/0x40
[ 22.925973][ C0] ? virtio_fs_enqueue_req+0x4f9/0xfe0
[ 22.925977][ C0] virtio_fs_enqueue_req+0x4f9/0xfe0
[ 22.925991][ C0] ? __pfx_virtio_fs_enqueue_req+0x10/0x10
[ 22.926003][ C0] ? find_held_lock+0x2c/0x110
[ 22.926010][ C0] ? __lock_release+0x103/0x460
[ 22.926012][ C0] ? fuse_get_unique+0x54/0x70
[ 22.926020][ C0] ? __pfx___lock_release+0x10/0x10
[ 22.926024][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 22.926029][ C0] ? do_raw_spin_lock+0x131/0x270
[ 22.926035][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 22.926041][ C0] ? fuse_get_unique+0x54/0x70
[ 22.926046][ C0] ? do_raw_spin_unlock+0x58/0x220
[ 22.926056][ C0] virtio_fs_send_req+0x13a/0x710
[ 22.926059][ C0] ? fuse_send_one+0xe1/0x180
[ 22.926066][ C0] flush_bg_queue+0x160/0x3d0
[ 22.926077][ C0] fuse_request_queue_background+0x476/0x620
[ 22.926085][ C0] fuse_simple_background+0x10a/0x180
[ 22.926090][ C0] fuse_send_readpages+0x593/0x940
[ 22.926102][ C0] fuse_readahead+0x792/0xab0
[ 22.926118][ C0] ? __pfx_fuse_readahead+0x10/0x10
[ 22.926124][ C0] ? __lock_release+0x103/0x460
[ 22.926127][ C0] ? __folio_batch_add_and_move+0x35b/0x880
[ 22.926132][ C0] ? __pfx___lock_release+0x10/0x10
[ 22.926136][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 22.926146][ C0] read_pages+0x185/0xaa0
[ 22.926151][ C0] ? __folio_batch_add_and_move+0x35b/0x880
[ 22.926162][ C0] ? __pfx_read_pages+0x10/0x10
[ 22.926181][ C0] page_cache_ra_unbounded+0x2f3/0x5e0
[ 22.926196][ C0] filemap_get_pages+0x2b9/0xab0
[ 22.926209][ C0] ? __pfx_filemap_get_pages+0x10/0x10
[ 22.926228][ C0] filemap_read+0x309/0xb50
[ 22.926230][ C0] ? __lock_acquire+0xb9a/0x1680
[ 22.926247][ C0] ? __pfx_filemap_read+0x10/0x10
[ 22.926250][ C0] ? remove_pmd_table+0x400/0x6d0
[ 22.926254][ C0] ? is_bpf_text_address+0x67/0x120
[ 22.926262][ C0] ? __pfx___lock_release+0x10/0x10
[ 22.926265][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 22.926277][ C0] ? is_bpf_text_address+0x67/0x120
[ 22.926284][ C0] ? __pfx_validate_chain+0x10/0x10
[ 22.926288][ C0] ? fuse_update_get_attr+0xf6/0x540
[ 22.926305][ C0] do_iter_readv_writev+0x50b/0x7b0
[ 22.926314][ C0] ? __pfx_do_iter_readv_writev+0x10/0x10
[ 22.926333][ C0] vfs_iter_read+0x11e/0x520
[ 22.926342][ C0] backing_file_read_iter+0x527/0x750
[ 22.926349][ C0] ? __pfx_validate_chain+0x10/0x10
[ 22.926357][ C0] ovl_read_iter+0x1df/0x230
[ 22.926363][ C0] ? __pfx_ovl_read_iter+0x10/0x10
[ 22.926367][ C0] ? __pfx_ovl_file_accessed+0x10/0x10
[ 22.926381][ C0] __kernel_read+0x33c/0xa10
[ 22.926385][ C0] ? find_held_lock+0x2c/0x110
[ 22.926389][ C0] ? __pfx___kernel_read+0x10/0x10
[ 22.926392][ C0] ? find_held_lock+0x2c/0x110
[ 22.926401][ C0] ? __pfx___lock_release+0x10/0x10
[ 22.926404][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 22.926413][ C0] ? __task_pid_nr_ns+0x11a/0x410
[ 22.926420][ C0] ? exec_binprm+0x14a/0x640
[ 22.926428][ C0] exec_binprm+0x1d6/0x640
[ 22.926439][ C0] ? __pfx_exec_binprm+0x10/0x10
[ 22.926445][ C0] ? bprm_execve+0x93/0x540
[ 22.926455][ C0] bprm_execve+0x1d6/0x540
[ 22.926461][ C0] do_execveat_common.isra.0+0x3f5/0x550
[ 22.926471][ C0] __x64_sys_execve+0x8c/0xb0
[ 22.926477][ C0] do_syscall_64+0xc1/0x1d0
[ 22.926485][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 22.926489][ C0] RIP: 0033:0x7f168b22740b
[ 22.926493][ C0] Code: c0 75 03 5f ff e7 c3 48 8b 0d f1 a9 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 a9 1b 00 f7 d8 64 89 01 48
[ 22.926496][ C0] RSP: 002b:00007ffebce42828 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[ 22.926498][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f168b22740b
[ 22.926500][ C0] RDX: 000055c313ff1db0 RSI: 000055c314029350 RDI: 000055c31400de40
[ 22.926502][ C0] RBP: 000055c31400de40 R08: 000055c314029350 R09: 0000000000000000
[ 22.926503][ C0] R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
[ 22.926505][ C0] R13: 000055c314029350 R14: 000055c313ff1db0 R15: 000055c314010b20
[ 22.926521][ C0]
[ 24.727710][ T447] br2: port 1(w1) entered blocking state
[ 24.727953][ T447] br2: port 1(w1) entered disabled state
[ 24.728190][ T447] w1: entered allmulticast mode
[ 24.730329][ T447] w1: entered promiscuous mode
[ 25.286027][ T454] br2: port 2(vx100) entered blocking state
[ 25.286358][ T454] br2: port 2(vx100) entered disabled state
[ 25.286689][ T454] vx100: entered allmulticast mode
[ 25.288911][ T454] vx100: entered promiscuous mode
[ 25.289480][ T454] br2: port 2(vx100) entered blocking state
[ 25.289760][ T454] br2: port 2(vx100) entered forwarding state
[ 26.034030][ T58] br2: port 1(w1) entered blocking state
[ 26.034346][ T58] br2: port 1(w1) entered forwarding state
[ 38.184062][ T67] vx100: left allmulticast mode
[ 38.184383][ T67] vx100: left promiscuous mode
[ 38.185315][ T67] br2: port 2(vx100) entered disabled state
[ 38.188145][ T67] w1: left allmulticast mode
[ 38.188359][ T67] w1: left promiscuous mode
[ 38.188771][ T67] br2: port 1(w1) entered disabled state
[ 38.803761][ T67] vx100: left allmulticast mode
[ 38.804141][ T67] vx100: left promiscuous mode
[ 38.804657][ T67] br2: port 2(vx100) entered disabled state
[ 38.820582][ T67] w1: left allmulticast mode
[ 38.820863][ T67] w1: left promiscuous mode
[ 38.821184][ T67] br2: port 1(w1) entered disabled state
[ 39.301549][ T558] ip (558) used greatest stack depth: 23456 bytes left
[ 40.909091][ T575] br1: port 3(veth2) entered disabled state
[ 40.987160][ T576] veth2: left allmulticast mode
[ 40.987406][ T576] veth2: left promiscuous mode
[ 40.988656][ T576] br1: port 3(veth2) entered disabled state
[ 41.156434][ T578] br1: port 2(veth1) entered disabled state
[ 41.240750][ T579] veth1: left allmulticast mode
[ 41.240997][ T579] veth1: left promiscuous mode
[ 41.241316][ T579] br1: port 2(veth1) entered disabled state
[ 41.317984][ T580] vx100: left allmulticast mode
[ 41.318224][ T580] vx100: left promiscuous mode
[ 41.318537][ T580] br1: port 1(vx100) entered disabled state