[ 30.058387][ T280] 8021q: 802.1Q VLAN Support v1.8
[ 30.077939][ T279] ip (279) used greatest stack depth: 23872 bytes left
[ 32.025349][ T297] br0: port 1(veth1) entered blocking state
[ 32.026062][ T297] br0: port 1(veth1) entered disabled state
[ 32.027312][ T297] veth1: entered allmulticast mode
[ 32.030186][ T297] veth1: entered promiscuous mode
[ 32.032768][ T297]
[ 32.032874][ T297] =============================
[ 32.033043][ T297] WARNING: suspicious RCU usage
[ 32.033213][ T297] 6.11.0-rc2-virtme #1 Not tainted
[ 32.033404][ T297] -----------------------------
[ 32.033581][ T297] net/bridge/br_private.h:930 suspicious rcu_dereference_check() usage!
[ 32.033840][ T297]
[ 32.033840][ T297] other info that might help us debug this:
[ 32.033840][ T297]
[ 32.034167][ T297]
[ 32.034167][ T297] rcu_scheduler_active = 2, debug_locks = 1
[ 32.035465][ T297] 1 lock held by ip/297:
[ 32.035597][ T297] #0: ffffffffb09bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 32.035911][ T297]
[ 32.035911][ T297] stack backtrace:
[ 32.036127][ T297] CPU: 1 UID: 0 PID: 297 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 32.036379][ T297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 32.036741][ T297] Call Trace:
[ 32.036875][ T297]
[ 32.036968][ T297] dump_stack_lvl+0xb0/0xd0
[ 32.037142][ T297] lockdep_rcu_suspicious+0x1e5/0x270
[ 32.037310][ T297] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 32.037594][ T297] br_get_link_af_size_filtered+0x5f4/0x7f0 [bridge]
[ 32.037839][ T297] br_info_notify+0xe6/0x280 [bridge]
[ 32.038038][ T297] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.038253][ T297] br_add_if+0xd90/0x1330 [bridge]
[ 32.038455][ T297] ? rtnl_is_locked+0x15/0x20
[ 32.038620][ T297] ? netdev_master_upper_dev_get+0x13/0x120
[ 32.038836][ T297] do_setlink+0x84b/0x21e0
[ 32.039010][ T297] ? is_bpf_text_address+0x67/0x120
[ 32.039191][ T297] ? __pfx_do_setlink+0x10/0x10
[ 32.039362][ T297] ? is_bpf_text_address+0x71/0x120
[ 32.039530][ T297] ? kernel_text_address+0xce/0xe0
[ 32.039706][ T297] ? __kernel_text_address+0x12/0x40
[ 32.039875][ T297] ? unwind_get_return_address+0x5e/0xa0
[ 32.040052][ T297] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 32.040265][ T297] ? arch_stack_walk+0xa2/0xf0
[ 32.040456][ T297] ? stack_trace_save+0x94/0xd0
[ 32.040627][ T297] ? __pfx_stack_trace_save+0x10/0x10
[ 32.040797][ T297] ? __pfx_validate_nla+0x10/0x10
[ 32.040965][ T297] ? mark_lock+0x38/0x3e0
[ 32.041105][ T297] ? kasan_save_stack+0x34/0x50
[ 32.041310][ T297] ? __nla_validate_parse+0x1bc/0x3d0
[ 32.041487][ T297] __rtnl_newlink+0xaa7/0xd80
[ 32.041671][ T297] ? hlock_class+0x4e/0x130
[ 32.041857][ T297] ? __pfx___rtnl_newlink+0x10/0x10
[ 32.042034][ T297] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.042250][ T297] ? __create_object+0x5e/0xb0
[ 32.042424][ T297] ? trace_kmalloc+0x2d/0xe0
[ 32.042602][ T297] rtnl_newlink+0x63/0xa0
[ 32.042733][ T297] rtnetlink_rcv_msg+0x2fb/0xc10
[ 32.042908][ T297] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.043077][ T297] ? hlock_class+0x4e/0x130
[ 32.043254][ T297] ? mark_lock+0x38/0x3e0
[ 32.043390][ T297] ? __lock_acquire+0xb35/0x1560
[ 32.043561][ T297] netlink_rcv_skb+0x130/0x360
[ 32.043740][ T297] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.043912][ T297] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 32.044097][ T297] ? netlink_deliver_tap+0x13e/0x340
[ 32.044266][ T297] ? netlink_deliver_tap+0xc3/0x340
[ 32.044436][ T297] netlink_unicast+0x44b/0x710
[ 32.044618][ T297] ? __pfx_netlink_unicast+0x10/0x10
[ 32.044788][ T297] ? find_held_lock+0x2c/0x110
[ 32.044961][ T297] netlink_sendmsg+0x723/0xbe0
[ 32.045157][ T297] ? __pfx_netlink_sendmsg+0x10/0x10
[ 32.045326][ T297] ? __might_fault+0xc3/0x170
[ 32.045499][ T297] ? __import_iovec+0x35d/0x5d0
[ 32.045677][ T297] ____sys_sendmsg+0x7b2/0xa10
[ 32.045854][ T297] ? __pfx_____sys_sendmsg+0x10/0x10
[ 32.046027][ T297] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 32.046237][ T297] ? __pfx_validate_chain+0x10/0x10
[ 32.046422][ T297] ___sys_sendmsg+0xee/0x170
[ 32.046599][ T297] ? __pfx____sys_sendmsg+0x10/0x10
[ 32.046772][ T297] ? find_held_lock+0x2c/0x110
[ 32.046944][ T297] ? __lock_release+0x103/0x460
[ 32.047113][ T297] ? __debug_check_no_obj_freed+0x253/0x520
[ 32.047334][ T297] ? __pfx___lock_release+0x10/0x10
[ 32.047504][ T297] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 32.047682][ T297] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.047896][ T297] ? __fget_light+0x53/0x1e0
[ 32.048073][ T297] __sys_sendmsg+0xcd/0x170
[ 32.048242][ T297] ? __pfx___sys_sendmsg+0x10/0x10
[ 32.048411][ T297] ? __virt_addr_valid+0x230/0x430
[ 32.048611][ T297] do_syscall_64+0xc1/0x1d0
[ 32.048785][ T297] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 32.048993][ T297] RIP: 0033:0x7f53017917b7
[ 32.049199][ T297] 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
[ 32.049780][ T297] RSP: 002b:00007ffe9f226d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 32.050052][ T297] RAX: ffffffffffffffda RBX: 00007ffe9f227450 RCX: 00007f53017917b7
[ 32.050303][ T297] RDX: 0000000000000000 RSI: 00007ffe9f226d90 RDI: 0000000000000005
[ 32.050552][ T297] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 32.050803][ T297] R10: 0000000016a4f910 R11: 0000000000000246 R12: 0000000000000004
[ 32.051055][ T297] R13: 0000000066bea577 R14: 0000000000496600 R15: 0000000000000000
[ 32.051326][ T297]
[ 32.051573][ T297]
[ 32.051664][ T297] =============================
[ 32.051831][ T297] WARNING: suspicious RCU usage
[ 32.052000][ T297] 6.11.0-rc2-virtme #1 Not tainted
[ 32.052167][ T297] -----------------------------
[ 32.052336][ T297] net/bridge/br_private.h:453 suspicious rcu_dereference_check() usage!
[ 32.052665][ T297]
[ 32.052665][ T297] other info that might help us debug this:
[ 32.052665][ T297]
[ 32.052988][ T297]
[ 32.052988][ T297] rcu_scheduler_active = 2, debug_locks = 1
[ 32.053292][ T297] 1 lock held by ip/297:
[ 32.053497][ T297] #0: ffffffffb09bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 32.053813][ T297]
[ 32.053813][ T297] stack backtrace:
[ 32.054022][ T297] CPU: 1 UID: 0 PID: 297 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 32.054270][ T297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 32.054640][ T297] Call Trace:
[ 32.054898][ T297]
[ 32.054989][ T297] dump_stack_lvl+0xb0/0xd0
[ 32.055165][ T297] lockdep_rcu_suspicious+0x1e5/0x270
[ 32.055342][ T297] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 32.055596][ T297] br_get_link_af_size_filtered+0x654/0x7f0 [bridge]
[ 32.055842][ T297] br_info_notify+0xe6/0x280 [bridge]
[ 32.056041][ T297] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.056251][ T297] br_add_if+0xd90/0x1330 [bridge]
[ 32.056450][ T297] ? rtnl_is_locked+0x15/0x20
[ 32.056624][ T297] ? netdev_master_upper_dev_get+0x13/0x120
[ 32.056841][ T297] do_setlink+0x84b/0x21e0
[ 32.057011][ T297] ? is_bpf_text_address+0x67/0x120
[ 32.057178][ T297] ? __pfx_do_setlink+0x10/0x10
[ 32.057346][ T297] ? is_bpf_text_address+0x71/0x120
[ 32.057516][ T297] ? kernel_text_address+0xce/0xe0
[ 32.057694][ T297] ? __kernel_text_address+0x12/0x40
[ 32.057868][ T297] ? unwind_get_return_address+0x5e/0xa0
[ 32.058034][ T297] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 32.058243][ T297] ? arch_stack_walk+0xa2/0xf0
[ 32.058425][ T297] ? stack_trace_save+0x94/0xd0
[ 32.058593][ T297] ? __pfx_stack_trace_save+0x10/0x10
[ 32.058759][ T297] ? __pfx_validate_nla+0x10/0x10
[ 32.058927][ T297] ? mark_lock+0x38/0x3e0
[ 32.059061][ T297] ? kasan_save_stack+0x34/0x50
[ 32.059242][ T297] ? __nla_validate_parse+0x1bc/0x3d0
[ 32.059415][ T297] __rtnl_newlink+0xaa7/0xd80
[ 32.059594][ T297] ? hlock_class+0x4e/0x130
[ 32.059762][ T297] ? __pfx___rtnl_newlink+0x10/0x10
[ 32.059937][ T297] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.060150][ T297] ? __create_object+0x5e/0xb0
[ 32.060319][ T297] ? trace_kmalloc+0x2d/0xe0
[ 32.060498][ T297] rtnl_newlink+0x63/0xa0
[ 32.060636][ T297] rtnetlink_rcv_msg+0x2fb/0xc10
[ 32.060809][ T297] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.060975][ T297] ? hlock_class+0x4e/0x130
[ 32.061143][ T297] ? mark_lock+0x38/0x3e0
[ 32.061280][ T297] ? __lock_acquire+0xb35/0x1560
[ 32.061452][ T297] netlink_rcv_skb+0x130/0x360
[ 32.061616][ T297] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.061782][ T297] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 32.061972][ T297] ? netlink_deliver_tap+0x13e/0x340
[ 32.062141][ T297] ? netlink_deliver_tap+0xc3/0x340
[ 32.062310][ T297] netlink_unicast+0x44b/0x710
[ 32.062487][ T297] ? __pfx_netlink_unicast+0x10/0x10
[ 32.062656][ T297] ? find_held_lock+0x2c/0x110
[ 32.062830][ T297] netlink_sendmsg+0x723/0xbe0
[ 32.063001][ T297] ? __pfx_netlink_sendmsg+0x10/0x10
[ 32.063176][ T297] ? __might_fault+0xc3/0x170
[ 32.063346][ T297] ? __import_iovec+0x35d/0x5d0
[ 32.063538][ T297] ____sys_sendmsg+0x7b2/0xa10
[ 32.063726][ T297] ? __pfx_____sys_sendmsg+0x10/0x10
[ 32.063892][ T297] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 32.064098][ T297] ? __pfx_validate_chain+0x10/0x10
[ 32.064280][ T297] ___sys_sendmsg+0xee/0x170
[ 32.064451][ T297] ? __pfx____sys_sendmsg+0x10/0x10
[ 32.064624][ T297] ? find_held_lock+0x2c/0x110
[ 32.064793][ T297] ? __lock_release+0x103/0x460
[ 32.064959][ T297] ? __debug_check_no_obj_freed+0x253/0x520
[ 32.065166][ T297] ? __pfx___lock_release+0x10/0x10
[ 32.065335][ T297] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 32.065509][ T297] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.065724][ T297] ? __fget_light+0x53/0x1e0
[ 32.065896][ T297] __sys_sendmsg+0xcd/0x170
[ 32.066075][ T297] ? __pfx___sys_sendmsg+0x10/0x10
[ 32.066240][ T297] ? __virt_addr_valid+0x230/0x430
[ 32.066431][ T297] do_syscall_64+0xc1/0x1d0
[ 32.066603][ T297] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 32.066813][ T297] RIP: 0033:0x7f53017917b7
[ 32.066989][ T297] 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
[ 32.067574][ T297] RSP: 002b:00007ffe9f226d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 32.067827][ T297] RAX: ffffffffffffffda RBX: 00007ffe9f227450 RCX: 00007f53017917b7
[ 32.068085][ T297] RDX: 0000000000000000 RSI: 00007ffe9f226d90 RDI: 0000000000000005
[ 32.068331][ T297] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 32.068582][ T297] R10: 0000000016a4f910 R11: 0000000000000246 R12: 0000000000000004
[ 32.068843][ T297] R13: 0000000066bea577 R14: 0000000000496600 R15: 0000000000000000
[ 32.069107][ T297]
[ 32.069321][ T297]
[ 32.069485][ T297] =============================
[ 32.069650][ T297] WARNING: suspicious RCU usage
[ 32.069818][ T297] 6.11.0-rc2-virtme #1 Not tainted
[ 32.069983][ T297] -----------------------------
[ 32.070148][ T297] net/bridge/br_private.h:1611 suspicious rcu_dereference_check() usage!
[ 32.070484][ T297]
[ 32.070484][ T297] other info that might help us debug this:
[ 32.070484][ T297]
[ 32.070812][ T297]
[ 32.070812][ T297] rcu_scheduler_active = 2, debug_locks = 1
[ 32.071057][ T297] 1 lock held by ip/297:
[ 32.071187][ T297] #0: ffffffffb09bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 32.071538][ T297]
[ 32.071538][ T297] stack backtrace:
[ 32.071746][ T297] CPU: 1 UID: 0 PID: 297 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 32.072012][ T297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 32.072392][ T297] Call Trace:
[ 32.072522][ T297]
[ 32.072614][ T297] dump_stack_lvl+0xb0/0xd0
[ 32.072792][ T297] lockdep_rcu_suspicious+0x1e5/0x270
[ 32.072961][ T297] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 32.073214][ T297] br_get_link_af_size_filtered+0x6ab/0x7f0 [bridge]
[ 32.073461][ T297] br_info_notify+0xe6/0x280 [bridge]
[ 32.073668][ T297] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.073884][ T297] br_add_if+0xd90/0x1330 [bridge]
[ 32.074086][ T297] ? rtnl_is_locked+0x15/0x20
[ 32.074259][ T297] ? netdev_master_upper_dev_get+0x13/0x120
[ 32.074473][ T297] do_setlink+0x84b/0x21e0
[ 32.074655][ T297] ? is_bpf_text_address+0x67/0x120
[ 32.074830][ T297] ? __pfx_do_setlink+0x10/0x10
[ 32.075001][ T297] ? is_bpf_text_address+0x71/0x120
[ 32.075172][ T297] ? kernel_text_address+0xce/0xe0
[ 32.075345][ T297] ? __kernel_text_address+0x12/0x40
[ 32.075515][ T297] ? unwind_get_return_address+0x5e/0xa0
[ 32.075684][ T297] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 32.075902][ T297] ? arch_stack_walk+0xa2/0xf0
[ 32.076085][ T297] ? stack_trace_save+0x94/0xd0
[ 32.076252][ T297] ? __pfx_stack_trace_save+0x10/0x10
[ 32.076589][ T297] ? __pfx_validate_nla+0x10/0x10
[ 32.076772][ T297] ? mark_lock+0x38/0x3e0
[ 32.076905][ T297] ? kasan_save_stack+0x34/0x50
[ 32.077079][ T297] ? __nla_validate_parse+0x1bc/0x3d0
[ 32.077261][ T297] __rtnl_newlink+0xaa7/0xd80
[ 32.077550][ T297] ? hlock_class+0x4e/0x130
[ 32.077725][ T297] ? __pfx___rtnl_newlink+0x10/0x10
[ 32.077901][ T297] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.078114][ T297] ? __create_object+0x5e/0xb0
[ 32.078384][ T297] ? trace_kmalloc+0x2d/0xe0
[ 32.078560][ T297] rtnl_newlink+0x63/0xa0
[ 32.078692][ T297] rtnetlink_rcv_msg+0x2fb/0xc10
[ 32.078868][ T297] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.079142][ T297] ? hlock_class+0x4e/0x130
[ 32.079310][ T297] ? mark_lock+0x38/0x3e0
[ 32.079446][ T297] ? __lock_acquire+0xb35/0x1560
[ 32.079616][ T297] netlink_rcv_skb+0x130/0x360
[ 32.079782][ T297] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.080065][ T297] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 32.080247][ T297] ? netlink_deliver_tap+0x13e/0x340
[ 32.080418][ T297] ? netlink_deliver_tap+0xc3/0x340
[ 32.080588][ T297] netlink_unicast+0x44b/0x710
[ 32.080855][ T297] ? __pfx_netlink_unicast+0x10/0x10
[ 32.081022][ T297] ? find_held_lock+0x2c/0x110
[ 32.081194][ T297] netlink_sendmsg+0x723/0xbe0
[ 32.081365][ T297] ? __pfx_netlink_sendmsg+0x10/0x10
[ 32.081533][ T297] ? __might_fault+0xc3/0x170
[ 32.081809][ T297] ? __import_iovec+0x35d/0x5d0
[ 32.081988][ T297] ____sys_sendmsg+0x7b2/0xa10
[ 32.082158][ T297] ? __pfx_____sys_sendmsg+0x10/0x10
[ 32.082326][ T297] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 32.082533][ T297] ? __pfx_validate_chain+0x10/0x10
[ 32.082814][ T297] ___sys_sendmsg+0xee/0x170
[ 32.082978][ T297] ? __pfx____sys_sendmsg+0x10/0x10
[ 32.083149][ T297] ? find_held_lock+0x2c/0x110
[ 32.083326][ T297] ? __lock_release+0x103/0x460
[ 32.083491][ T297] ? __debug_check_no_obj_freed+0x253/0x520
[ 32.083812][ T297] ? __pfx___lock_release+0x10/0x10
[ 32.083979][ T297] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 32.084154][ T297] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.084461][ T297] ? __fget_light+0x53/0x1e0
[ 32.084642][ T297] __sys_sendmsg+0xcd/0x170
[ 32.084813][ T297] ? __pfx___sys_sendmsg+0x10/0x10
[ 32.085079][ T297] ? __virt_addr_valid+0x230/0x430
[ 32.085271][ T297] do_syscall_64+0xc1/0x1d0
[ 32.085439][ T297] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 32.085654][ T297] RIP: 0033:0x7f53017917b7
[ 32.085934][ T297] 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
[ 32.086620][ T297] RSP: 002b:00007ffe9f226d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 32.086978][ T297] RAX: ffffffffffffffda RBX: 00007ffe9f227450 RCX: 00007f53017917b7
[ 32.087225][ T297] RDX: 0000000000000000 RSI: 00007ffe9f226d90 RDI: 0000000000000005
[ 32.087476][ T297] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 32.087738][ T297] R10: 0000000016a4f910 R11: 0000000000000246 R12: 0000000000000004
[ 32.088083][ T297] R13: 0000000066bea577 R14: 0000000000496600 R15: 0000000000000000
[ 32.088452][ T297]
[ 32.259619][ T299] br0: port 2(veth2) entered blocking state
[ 32.259966][ T299] br0: port 2(veth2) entered disabled state
[ 32.260232][ T299] veth2: entered allmulticast mode
[ 32.262181][ T299] veth2: entered promiscuous mode
[ 32.619882][ T40] br0: port 1(veth1) entered blocking state
[ 32.620424][ T40] br0: port 1(veth1) entered forwarding state
[ 32.767990][ T38] br0: port 2(veth2) entered blocking state
[ 32.768284][ T38] br0: port 2(veth2) entered forwarding state
[ 63.362390][ T360] GACT probability NOT on
[ 100.481521][ T535]
[ 100.481711][ T535] =============================
[ 100.481990][ T535] WARNING: suspicious RCU usage
[ 100.482258][ T535] 6.11.0-rc2-virtme #1 Not tainted
[ 100.482547][ T535] -----------------------------
[ 100.482818][ T535] net/bridge/br_private.h:1605 suspicious rcu_dereference_check() usage!
[ 100.483234][ T535]
[ 100.483234][ T535] other info that might help us debug this:
[ 100.483234][ T535]
[ 100.484415][ T535]
[ 100.484415][ T535] rcu_scheduler_active = 2, debug_locks = 1
[ 100.484825][ T535] 1 lock held by bridge/535:
[ 100.485099][ T535] #0: ffffffffb09bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 100.485621][ T535]
[ 100.485621][ T535] stack backtrace:
[ 100.485963][ T535] CPU: 1 UID: 0 PID: 535 Comm: bridge Not tainted 6.11.0-rc2-virtme #1
[ 100.486347][ T535] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 100.486948][ T535] Call Trace:
[ 100.487168][ T535]
[ 100.487321][ T535] dump_stack_lvl+0xb0/0xd0
[ 100.487617][ T535] lockdep_rcu_suspicious+0x1e5/0x270
[ 100.487902][ T535] br_get_link_af_size_filtered+0x52b/0x7f0 [bridge]
[ 100.488306][ T535] br_info_notify+0xe6/0x280 [bridge]
[ 100.488648][ T535] br_setlink+0x364/0x500 [bridge]
[ 100.488931][ T535] ? __pfx_br_setlink+0x10/0x10 [bridge]
[ 100.489152][ T535] ? lock_acquire.part.0+0xeb/0x330
[ 100.489316][ T535] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 100.489496][ T535] ? hlock_class+0x4e/0x130
[ 100.489668][ T535] ? __mutex_trylock_common+0xfa/0x260
[ 100.489834][ T535] ? __pfx___mutex_trylock_common+0x10/0x10
[ 100.490058][ T535] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 100.490220][ T535] ? lock_acquire+0x32/0xc0
[ 100.490386][ T535] ? trace_contention_end+0xeb/0x150
[ 100.490551][ T535] ? __mutex_lock+0x170/0xac0
[ 100.490723][ T535] ? find_held_lock+0x2c/0x110
[ 100.490892][ T535] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 100.491157][ T535] ? __pfx___mutex_lock+0x10/0x10
[ 100.491445][ T535] ? __pfx___lock_release+0x10/0x10
[ 100.491721][ T535] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 100.491978][ T535] ? trace_lock_acquire+0x14d/0x1f0
[ 100.492152][ T535] rtnl_bridge_setlink+0x297/0x5b0
[ 100.492322][ T535] rtnetlink_rcv_msg+0x2fb/0xc10
[ 100.492495][ T535] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 100.492658][ T535] ? hlock_class+0x4e/0x130
[ 100.492821][ T535] ? mark_lock+0x38/0x3e0
[ 100.492969][ T535] ? __lock_acquire+0xb35/0x1560
[ 100.493260][ T535] netlink_rcv_skb+0x130/0x360
[ 100.493431][ T535] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 100.493596][ T535] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 100.493778][ T535] ? netlink_deliver_tap+0x13e/0x340
[ 100.493953][ T535] ? netlink_deliver_tap+0xc3/0x340
[ 100.494119][ T535] netlink_unicast+0x44b/0x710
[ 100.494286][ T535] ? __pfx_netlink_unicast+0x10/0x10
[ 100.494458][ T535] ? find_held_lock+0x2c/0x110
[ 100.494633][ T535] netlink_sendmsg+0x723/0xbe0
[ 100.494806][ T535] ? __pfx_netlink_sendmsg+0x10/0x10
[ 100.495000][ T535] ? __might_fault+0xc3/0x170
[ 100.495282][ T535] ? __import_iovec+0x35d/0x5d0
[ 100.495558][ T535] ____sys_sendmsg+0x7b2/0xa10
[ 100.495822][ T535] ? __pfx_____sys_sendmsg+0x10/0x10
[ 100.496083][ T535] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 100.496443][ T535] ___sys_sendmsg+0xee/0x170
[ 100.496710][ T535] ? __pfx____sys_sendmsg+0x10/0x10
[ 100.496983][ T535] ? __lock_acquire+0xb35/0x1560
[ 100.497239][ T535] ? usage_skip+0xf2/0x190
[ 100.497534][ T535] ? reacquire_held_locks+0x22f/0x4f0
[ 100.497816][ T535] ? do_user_addr_fault+0x8fd/0xe30
[ 100.498102][ T535] ? __fget_light+0x53/0x1e0
[ 100.498383][ T535] __sys_sendmsg+0xcd/0x170
[ 100.498603][ T535] ? __pfx___sys_sendmsg+0x10/0x10
[ 100.498843][ T535] ? __pfx___up_read+0x10/0x10
[ 100.499131][ T535] do_syscall_64+0xc1/0x1d0
[ 100.499410][ T535] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 100.499755][ T535] RIP: 0033:0x7f77b85637b7
[ 100.500041][ T535] 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
[ 100.500718][ T535] RSP: 002b:00007ffc8ff06588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 100.501060][ T535] RAX: ffffffffffffffda RBX: 000000000000ffff RCX: 00007f77b85637b7
[ 100.501459][ T535] RDX: 0000000000000000 RSI: 00007ffc8ff065f0 RDI: 0000000000000005
[ 100.501853][ T535] RBP: 00007ffc8ff066e0 R08: 0000000000000034 R09: 0000000000000000
[ 100.502220][ T535] R10: 00007f77b841c708 R11: 0000000000000246 R12: 000000000000000a
[ 100.502619][ T535] R13: 0000000066bea5bc R14: 0000000000423360 R15: 00007ffc8ff06ca0
[ 100.502917][ T535]
[ 100.667070][ T538] br1: port 1(veth0) entered blocking state
[ 100.667323][ T538] br1: port 1(veth0) entered disabled state
[ 100.668620][ T538] veth0: entered allmulticast mode
[ 100.670436][ T538] veth0: entered promiscuous mode
[ 100.680531][ T538] ip (538) used greatest stack depth: 21976 bytes left
[ 100.870847][ T539] br1: port 1(veth0) entered blocking state
[ 100.871590][ T539] br1: port 1(veth0) entered forwarding state
[ 103.513762][ T544] veth0: left allmulticast mode
[ 103.514012][ T544] veth0: left promiscuous mode
[ 103.514376][ T544] br1: port 1(veth0) entered disabled state
[ 119.564864][ T628] br0: vlan filtering disabled, automatically disabling multicast vlan snooping
[ 120.324554][ T634] br0: port 2(veth2) entered disabled state
[ 120.474441][ T635] br0: port 1(veth1) entered disabled state
[ 120.625618][ T636] veth2: left allmulticast mode
[ 120.625847][ T636] veth2: left promiscuous mode
[ 120.626152][ T636] br0: port 2(veth2) entered disabled state
[ 120.628649][ T636] veth1: left allmulticast mode
[ 120.628859][ T636] veth1: left promiscuous mode
[ 120.629169][ T636] br0: port 1(veth1) entered disabled state