[ 29.139710][ T261] br0: port 1(s0) entered blocking state
[ 29.140057][ T261] br0: port 1(s0) entered disabled state
[ 29.141402][ T261] s0: entered allmulticast mode
[ 29.142655][ T261] s0: entered promiscuous mode
[ 29.143514][ T261]
[ 29.143629][ T261] =============================
[ 29.143807][ T261] WARNING: suspicious RCU usage
[ 29.143978][ T261] 6.11.0-rc2-virtme #1 Not tainted
[ 29.144152][ T261] -----------------------------
[ 29.144364][ T261] net/bridge/br_private.h:930 suspicious rcu_dereference_check() usage!
[ 29.144634][ T261]
[ 29.144634][ T261] other info that might help us debug this:
[ 29.144634][ T261]
[ 29.144959][ T261]
[ 29.144959][ T261] rcu_scheduler_active = 2, debug_locks = 1
[ 29.145200][ T261] 1 lock held by ip/261:
[ 29.145956][ T261] #0: ffffffffa1fd2948 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 29.146318][ T261]
[ 29.146318][ T261] stack backtrace:
[ 29.146525][ T261] CPU: 1 UID: 0 PID: 261 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 29.146770][ T261] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 29.147138][ T261] Call Trace:
[ 29.147278][ T261] <TASK>
[ 29.147367][ T261] dump_stack_lvl+0xb0/0xd0
[ 29.147620][ T261] lockdep_rcu_suspicious+0x1e5/0x270
[ 29.147788][ T261] ? __pfx_br_handle_frame+0x10/0x10
[ 29.147977][ T261] br_get_link_af_size_filtered+0x18e/0x220
[ 29.148195][ T261] br_info_notify+0xe6/0x280
[ 29.148363][ T261] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 29.148578][ T261] br_add_if+0xa63/0x1520
[ 29.148715][ T261] ? rtnl_is_locked+0x15/0x20
[ 29.148882][ T261] ? netdev_master_upper_dev_get+0x13/0x120
[ 29.149094][ T261] do_setlink+0x84b/0x21e0
[ 29.149267][ T261] ? is_bpf_text_address+0x67/0x120
[ 29.149442][ T261] ? __pfx_do_setlink+0x10/0x10
[ 29.149616][ T261] ? is_bpf_text_address+0x71/0x120
[ 29.149790][ T261] ? kernel_text_address+0xce/0xe0
[ 29.149962][ T261] ? __kernel_text_address+0x12/0x40
[ 29.150126][ T261] ? unwind_get_return_address+0x5e/0xa0
[ 29.150290][ T261] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 29.150530][ T261] ? arch_stack_walk+0xa2/0xf0
[ 29.150711][ T261] ? stack_trace_save+0x94/0xd0
[ 29.150881][ T261] ? __pfx_stack_trace_save+0x10/0x10
[ 29.151058][ T261] ? __pfx_validate_nla+0x10/0x10
[ 29.151225][ T261] ? mark_lock+0x38/0x3e0
[ 29.151363][ T261] ? kasan_save_stack+0x34/0x50
[ 29.151533][ T261] ? __nla_validate_parse+0x1bc/0x3d0
[ 29.151724][ T261] __rtnl_newlink+0xaa7/0xd80
[ 29.151917][ T261] ? hlock_class+0x4e/0x130
[ 29.152088][ T261] ? __pfx___rtnl_newlink+0x10/0x10
[ 29.152261][ T261] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 29.152475][ T261] ? __create_object+0x5e/0xb0
[ 29.152647][ T261] ? trace_kmalloc+0x2d/0xe0
[ 29.152825][ T261] rtnl_newlink+0x63/0xa0
[ 29.152957][ T261] rtnetlink_rcv_msg+0x2fb/0xc10
[ 29.153128][ T261] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 29.153297][ T261] ? hlock_class+0x4e/0x130
[ 29.153463][ T261] ? mark_lock+0x38/0x3e0
[ 29.153600][ T261] ? __lock_acquire+0xb35/0x1560
[ 29.153771][ T261] netlink_rcv_skb+0x130/0x360
[ 29.153942][ T261] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 29.154120][ T261] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 29.154305][ T261] ? netlink_deliver_tap+0x13e/0x340
[ 29.154478][ T261] ? netlink_deliver_tap+0xc3/0x340
[ 29.154651][ T261] netlink_unicast+0x44b/0x710
[ 29.154828][ T261] ? __pfx_netlink_unicast+0x10/0x10
[ 29.154999][ T261] ? find_held_lock+0x2c/0x110
[ 29.155177][ T261] netlink_sendmsg+0x723/0xbe0
[ 29.155353][ T261] ? __pfx_netlink_sendmsg+0x10/0x10
[ 29.155522][ T261] ? __might_fault+0xc3/0x170
[ 29.155698][ T261] ? __import_iovec+0x35d/0x5d0
[ 29.155878][ T261] ____sys_sendmsg+0x7b2/0xa10
[ 29.156053][ T261] ? __pfx_____sys_sendmsg+0x10/0x10
[ 29.156226][ T261] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 29.156440][ T261] ? __pfx_validate_chain+0x10/0x10
[ 29.156623][ T261] ___sys_sendmsg+0xee/0x170
[ 29.156799][ T261] ? __pfx____sys_sendmsg+0x10/0x10
[ 29.156972][ T261] ? find_held_lock+0x2c/0x110
[ 29.157141][ T261] ? __lock_release+0x103/0x460
[ 29.157311][ T261] ? __debug_check_no_obj_freed+0x253/0x520
[ 29.157521][ T261] ? __pfx___lock_release+0x10/0x10
[ 29.157693][ T261] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 29.157865][ T261] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 29.158071][ T261] ? __fget_light+0x53/0x1e0
[ 29.158253][ T261] __sys_sendmsg+0xcd/0x170
[ 29.158421][ T261] ? __pfx___sys_sendmsg+0x10/0x10
[ 29.158584][ T261] ? __virt_addr_valid+0x230/0x430
[ 29.158774][ T261] do_syscall_64+0xc1/0x1d0
[ 29.158943][ T261] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 29.159155][ T261] RIP: 0033:0x7ff8e5c227b7
[ 29.159328][ T261] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 29.159913][ T261] RSP: 002b:00007ffc0b143da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 29.160162][ T261] RAX: ffffffffffffffda RBX: 00007ffc0b1444e0 RCX: 00007ff8e5c227b7
[ 29.160414][ T261] RDX: 0000000000000000 RSI: 00007ffc0b143e10 RDI: 0000000000000005
[ 29.160661][ T261] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[ 29.160911][ T261] R10: 000000002dbf5910 R11: 0000000000000246 R12: 0000000000000003
[ 29.161160][ T261] R13: 0000000066be9d97 R14: 0000000000496600 R15: 0000000000000000
[ 29.161424][ T261] </TASK>
[ 29.161591][ T261]
[ 29.161682][ T261] =============================
[ 29.161919][ T261] WARNING: suspicious RCU usage
[ 29.162081][ T261] 6.11.0-rc2-virtme #1 Not tainted
[ 29.162252][ T261] -----------------------------
[ 29.162429][ T261] net/bridge/br_private.h:453 suspicious rcu_dereference_check() usage!
[ 29.162687][ T261]
[ 29.162687][ T261] other info that might help us debug this:
[ 29.162687][ T261]
[ 29.163010][ T261]
[ 29.163010][ T261] rcu_scheduler_active = 2, debug_locks = 1
[ 29.163253][ T261] 1 lock held by ip/261:
[ 29.163394][ T261] #0: ffffffffa1fd2948 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 29.163699][ T261]
[ 29.163699][ T261] stack backtrace:
[ 29.163910][ T261] CPU: 1 UID: 0 PID: 261 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 29.164155][ T261] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 29.164518][ T261] Call Trace:
[ 29.164651][ T261] <TASK>
[ 29.164739][ T261] dump_stack_lvl+0xb0/0xd0
[ 29.164911][ T261] lockdep_rcu_suspicious+0x1e5/0x270
[ 29.165082][ T261] br_get_link_af_size_filtered+0x1e6/0x220
[ 29.165288][ T261] br_info_notify+0xe6/0x280
[ 29.165455][ T261] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 29.165666][ T261] br_add_if+0xa63/0x1520
[ 29.165800][ T261] ? rtnl_is_locked+0x15/0x20
[ 29.165962][ T261] ? netdev_master_upper_dev_get+0x13/0x120
[ 29.166177][ T261] do_setlink+0x84b/0x21e0
[ 29.166341][ T261] ? is_bpf_text_address+0x67/0x120
[ 29.166510][ T261] ? __pfx_do_setlink+0x10/0x10
[ 29.166674][ T261] ? is_bpf_text_address+0x71/0x120
[ 29.166840][ T261] ? kernel_text_address+0xce/0xe0
[ 29.167007][ T261] ? __kernel_text_address+0x12/0x40
[ 29.167171][ T261] ? unwind_get_return_address+0x5e/0xa0
[ 29.167338][ T261] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 29.167544][ T261] ? arch_stack_walk+0xa2/0xf0
[ 29.167724][ T261] ? stack_trace_save+0x94/0xd0
[ 29.168028][ T261] ? __pfx_stack_trace_save+0x10/0x10
[ 29.168193][ T261] ? __pfx_validate_nla+0x10/0x10
[ 29.168360][ T261] ? mark_lock+0x38/0x3e0
[ 29.168490][ T261] ? kasan_save_stack+0x34/0x50
[ 29.168660][ T261] ? __nla_validate_parse+0x1bc/0x3d0
[ 29.168917][ T261] __rtnl_newlink+0xaa7/0xd80
[ 29.169093][ T261] ? hlock_class+0x4e/0x130
[ 29.169262][ T261] ? __pfx___rtnl_newlink+0x10/0x10
[ 29.169435][ T261] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 29.169740][ T261] ? __create_object+0x5e/0xb0
[ 29.169910][ T261] ? trace_kmalloc+0x2d/0xe0
[ 29.170082][ T261] rtnl_newlink+0x63/0xa0
[ 29.170210][ T261] rtnetlink_rcv_msg+0x2fb/0xc10
[ 29.170551][ T261] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 29.170722][ T261] ? hlock_class+0x4e/0x130
[ 29.170887][ T261] ? mark_lock+0x38/0x3e0
[ 29.171018][ T261] ? __lock_acquire+0xb35/0x1560
[ 29.171187][ T261] netlink_rcv_skb+0x130/0x360
[ 29.171438][ T261] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 29.171607][ T261] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 29.171789][ T261] ? netlink_deliver_tap+0x13e/0x340
[ 29.171969][ T261] ? netlink_deliver_tap+0xc3/0x340
[ 29.172229][ T261] netlink_unicast+0x44b/0x710
[ 29.172397][ T261] ? __pfx_netlink_unicast+0x10/0x10
[ 29.172562][ T261] ? find_held_lock+0x2c/0x110
[ 29.172737][ T261] netlink_sendmsg+0x723/0xbe0
[ 29.173000][ T261] ? __pfx_netlink_sendmsg+0x10/0x10
[ 29.173164][ T261] ? __might_fault+0xc3/0x170
[ 29.173333][ T261] ? __import_iovec+0x35d/0x5d0
[ 29.173535][ T261] ____sys_sendmsg+0x7b2/0xa10
[ 29.173714][ T261] ? __pfx_____sys_sendmsg+0x10/0x10
[ 29.173971][ T261] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 29.174175][ T261] ? __pfx_validate_chain+0x10/0x10
[ 29.174366][ T261] ___sys_sendmsg+0xee/0x170
[ 29.174542][ T261] ? __pfx____sys_sendmsg+0x10/0x10
[ 29.174798][ T261] ? find_held_lock+0x2c/0x110
[ 29.174972][ T261] ? __lock_release+0x103/0x460
[ 29.175146][ T261] ? __debug_check_no_obj_freed+0x253/0x520
[ 29.175363][ T261] ? __pfx___lock_release+0x10/0x10
[ 29.175620][ T261] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 29.175795][ T261] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 29.176004][ T261] ? __fget_light+0x53/0x1e0
[ 29.176180][ T261] __sys_sendmsg+0xcd/0x170
[ 29.176433][ T261] ? __pfx___sys_sendmsg+0x10/0x10
[ 29.176599][ T261] ? __virt_addr_valid+0x230/0x430
[ 29.176784][ T261] do_syscall_64+0xc1/0x1d0
[ 29.176957][ T261] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 29.177255][ T261] RIP: 0033:0x7ff8e5c227b7
[ 29.177428][ T261] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 29.178104][ T261] RSP: 002b:00007ffc0b143da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 29.178362][ T261] RAX: ffffffffffffffda RBX: 00007ffc0b1444e0 RCX: 00007ff8e5c227b7
[ 29.178613][ T261] RDX: 0000000000000000 RSI: 00007ffc0b143e10 RDI: 0000000000000005
[ 29.178950][ T261] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[ 29.179196][ T261] R10: 000000002dbf5910 R11: 0000000000000246 R12: 0000000000000003
[ 29.179538][ T261] R13: 0000000066be9d97 R14: 0000000000496600 R15: 0000000000000000
[ 29.179806][ T261] </TASK>
[ 29.346951][ T262] bond0: (slave eth0): making interface the new active one
[ 29.347687][ T262] bond0: (slave eth0): Enslaving as an active interface with an up link
[ 29.349803][ T63] br0: port 1(s0) entered blocking state
[ 29.350278][ T63] br0: port 1(s0) entered forwarding state
[ 30.223454][ T267] br0: port 2(s1) entered blocking state
[ 30.223647][ T267] br0: port 2(s1) entered disabled state
[ 30.223843][ T267] s1: entered allmulticast mode
[ 30.225138][ T267] s1: entered promiscuous mode
[ 30.411114][ T268] bond0: (slave eth1): Enslaving as a backup interface with an up link
[ 30.412232][ T63] br0: port 2(s1) entered blocking state
[ 30.412500][ T63] br0: port 2(s1) entered forwarding state
[ 31.802387][ T276] br0: port 3(c0) entered blocking state
[ 31.802623][ T276] br0: port 3(c0) entered disabled state
[ 31.802815][ T276] c0: entered allmulticast mode
[ 31.804070][ T276] c0: entered promiscuous mode
[ 31.960746][ T45] br0: port 3(c0) entered blocking state
[ 31.961042][ T45] br0: port 3(c0) entered forwarding state
[ 32.941584][ T285] ip (285) used greatest stack depth: 23608 bytes left
[ 33.293440][ T286] bond0 (unregistering): (slave eth0): Releasing backup interface
[ 33.318646][ T286] bond0 (unregistering): (slave eth1): Releasing backup interface
[ 33.342167][ T286] bond0 (unregistering): Released all slaves
[ 33.361956][ T63] br0: port 1(s0) entered disabled state
[ 33.363950][ T63] br0: port 2(s1) entered disabled state
[ 33.828897][ T291] bond0: (slave eth0): making interface the new active one
[ 33.830734][ T291] bond0: (slave eth0): Enslaving as an active interface with an up link
[ 33.831355][ T45] br0: port 1(s0) entered blocking state
[ 33.831548][ T45] br0: port 1(s0) entered forwarding state
[ 33.992154][ T292] bond0: (slave eth1): Enslaving as a backup interface with an up link
[ 33.994477][ T62] br0: port 2(s1) entered blocking state
[ 33.994738][ T62] br0: port 2(s1) entered forwarding state
[ 36.213898][ T303] eth0: entered promiscuous mode
[ 55.042217][ T349] eth0: left promiscuous mode
[ 55.478904][ T350] bond0 (unregistering): (slave eth0): Releasing backup interface
[ 55.501191][ T350] bond0 (unregistering): (slave eth1): Releasing backup interface
[ 55.527833][ T350] bond0 (unregistering): Released all slaves
[ 55.537527][ T62] br0: port 1(s0) entered disabled state
[ 55.539285][ T62] br0: port 2(s1) entered disabled state
[ 56.046146][ T354] bond0: (slave eth0): making interface the new active one
[ 56.047476][ T354] bond0: (slave eth0): Enslaving as an active interface with an up link
[ 56.048730][ T45] br0: port 1(s0) entered blocking state
[ 56.048958][ T45] br0: port 1(s0) entered forwarding state
[ 56.199047][ T355] bond0: (slave eth1): Enslaving as an active interface with an up link
[ 56.199835][ T62] br0: port 2(s1) entered blocking state
[ 56.200126][ T62] br0: port 2(s1) entered forwarding state
[ 58.261687][ T366] eth0: entered promiscuous mode
[ 77.271278][ T412] eth0: left promiscuous mode
[ 77.670449][ T413] bond0 (unregistering): (slave eth0): Releasing active interface
[ 77.693638][ T413] bond0 (unregistering): (slave eth1): Releasing active interface
[ 77.713345][ T413] bond0 (unregistering): Released all slaves
[ 77.726774][ T62] br0: port 1(s0) entered disabled state
[ 77.728290][ T62] br0: port 2(s1) entered disabled state
[ 78.228363][ T417] bond0: (slave eth0): making interface the new active one
[ 78.229233][ T417] bond0: (slave eth0): Enslaving as an active interface with an up link
[ 78.230661][ T63] br0: port 1(s0) entered blocking state
[ 78.230863][ T63] br0: port 1(s0) entered forwarding state
[ 78.241497][ T417] ip (417) used greatest stack depth: 23312 bytes left
[ 78.400285][ T418] bond0: (slave eth1): Enslaving as an active interface with an up link
[ 78.401008][ T62] br0: port 2(s1) entered blocking state
[ 78.401358][ T62] br0: port 2(s1) entered forwarding state
[ 81.147172][ T432] eth0: entered promiscuous mode
[ 100.241940][ T477] eth0: left promiscuous mode
[ 100.634862][ T479] br0: port 3(c0) entered disabled state
[ 100.809992][ T479] c0 (unregistering): left allmulticast mode
[ 100.810339][ T479] c0 (unregistering): left promiscuous mode
[ 100.810571][ T479] br0: port 3(c0) entered disabled state
[ 101.465814][ T486] br0: port 1(s0) entered disabled state
[ 101.541946][ T486] bond0: (slave eth0): Releasing active interface
[ 101.542226][ T486] bond0: (slave eth0): the permanent HWaddr of slave - de:23:21:fd:b3:9e - is still in use by bond - set the HWaddr of slave to a different address to avoid conflicts
[ 101.542915][ T486] bond0: (slave eth1): making interface the new active one
[ 101.646943][ T486] s0 (unregistering): left allmulticast mode
[ 101.647214][ T486] s0 (unregistering): left promiscuous mode
[ 101.647445][ T486] br0: port 1(s0) entered disabled state
[ 101.832141][ T487] br0: port 2(s1) entered disabled state
[ 101.892913][ T487] bond0: (slave eth1): Releasing active interface
[ 102.013081][ T487] s1 (unregistering): left allmulticast mode
[ 102.013442][ T487] s1 (unregistering): left promiscuous mode
[ 102.013685][ T487] br0: port 2(s1) entered disabled state
[ 102.482048][ T263] bond0 (unregistering): Released all slaves