[ 28.548177][ T279] 8021q: 802.1Q VLAN Support v1.8
[ 31.872791][ T305] br1: port 1(veth1) entered blocking state
[ 31.873736][ T305] br1: port 1(veth1) entered disabled state
[ 31.874419][ T305] veth1: entered allmulticast mode
[ 31.876340][ T305] veth1: entered promiscuous mode
[ 31.877082][ T305]
[ 31.877198][ T305] =============================
[ 31.877592][ T305] WARNING: suspicious RCU usage
[ 31.877777][ T305] 6.11.0-rc2-virtme #1 Not tainted
[ 31.878914][ T305] -----------------------------
[ 31.879114][ T305] net/bridge/br_private.h:930 suspicious rcu_dereference_check() usage!
[ 31.879382][ T305]
[ 31.879382][ T305] other info that might help us debug this:
[ 31.879382][ T305]
[ 31.879744][ T305]
[ 31.879744][ T305] rcu_scheduler_active = 2, debug_locks = 1
[ 31.880033][ T305] 1 lock held by ip/305:
[ 31.880186][ T305] #0: ffffffff913bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 31.880532][ T305]
[ 31.880532][ T305] stack backtrace:
[ 31.880766][ T305] CPU: 3 UID: 0 PID: 305 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 31.881055][ T305] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 31.881477][ T305] Call Trace:
[ 31.881622][ T305]
[ 31.881720][ T305] dump_stack_lvl+0xb0/0xd0
[ 31.881925][ T305] lockdep_rcu_suspicious+0x1e5/0x270
[ 31.882113][ T305] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 31.882419][ T305] br_get_link_af_size_filtered+0x5f4/0x7f0 [bridge]
[ 31.882690][ T305] br_info_notify+0xe6/0x280 [bridge]
[ 31.882918][ T305] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.883158][ T305] br_add_if+0xd90/0x1330 [bridge]
[ 31.883392][ T305] ? rtnl_is_locked+0x15/0x20
[ 31.883588][ T305] ? netdev_master_upper_dev_get+0x13/0x120
[ 31.883824][ T305] do_setlink+0x84b/0x21e0
[ 31.884014][ T305] ? is_bpf_text_address+0x67/0x120
[ 31.884203][ T305] ? __pfx_do_setlink+0x10/0x10
[ 31.884391][ T305] ? is_bpf_text_address+0x71/0x120
[ 31.884575][ T305] ? kernel_text_address+0xce/0xe0
[ 31.884773][ T305] ? __kernel_text_address+0x12/0x40
[ 31.884964][ T305] ? unwind_get_return_address+0x5e/0xa0
[ 31.885159][ T305] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 31.885402][ T305] ? arch_stack_walk+0xa2/0xf0
[ 31.885601][ T305] ? stack_trace_save+0x94/0xd0
[ 31.885787][ T305] ? __pfx_stack_trace_save+0x10/0x10
[ 31.885982][ T305] ? __pfx_validate_nla+0x10/0x10
[ 31.886174][ T305] ? mark_lock+0x38/0x3e0
[ 31.886324][ T305] ? kasan_save_stack+0x34/0x50
[ 31.886528][ T305] ? __nla_validate_parse+0x1bc/0x3d0
[ 31.886723][ T305] __rtnl_newlink+0xaa7/0xd80
[ 31.886914][ T305] ? hlock_class+0x4e/0x130
[ 31.887098][ T305] ? __pfx___rtnl_newlink+0x10/0x10
[ 31.887299][ T305] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.887536][ T305] ? __create_object+0x5e/0xb0
[ 31.887730][ T305] ? trace_kmalloc+0x2d/0xe0
[ 31.887923][ T305] rtnl_newlink+0x63/0xa0
[ 31.888070][ T305] rtnetlink_rcv_msg+0x2fb/0xc10
[ 31.888260][ T305] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 31.888475][ T305] ? hlock_class+0x4e/0x130
[ 31.888663][ T305] ? mark_lock+0x38/0x3e0
[ 31.888825][ T305] ? __lock_acquire+0xb35/0x1560
[ 31.889019][ T305] netlink_rcv_skb+0x130/0x360
[ 31.889207][ T305] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 31.889404][ T305] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 31.889607][ T305] ? netlink_deliver_tap+0x13e/0x340
[ 31.889797][ T305] ? netlink_deliver_tap+0xc3/0x340
[ 31.889978][ T305] netlink_unicast+0x44b/0x710
[ 31.890179][ T305] ? __pfx_netlink_unicast+0x10/0x10
[ 31.890376][ T305] ? find_held_lock+0x2c/0x110
[ 31.890559][ T305] netlink_sendmsg+0x723/0xbe0
[ 31.890743][ T305] ? __pfx_netlink_sendmsg+0x10/0x10
[ 31.890933][ T305] ? __might_fault+0xc3/0x170
[ 31.891120][ T305] ? __import_iovec+0x35d/0x5d0
[ 31.891329][ T305] ____sys_sendmsg+0x7b2/0xa10
[ 31.891523][ T305] ? __pfx_____sys_sendmsg+0x10/0x10
[ 31.891715][ T305] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 31.891957][ T305] ? __pfx_validate_chain+0x10/0x10
[ 31.892159][ T305] ___sys_sendmsg+0xee/0x170
[ 31.892349][ T305] ? __pfx____sys_sendmsg+0x10/0x10
[ 31.892527][ T305] ? find_held_lock+0x2c/0x110
[ 31.892714][ T305] ? __lock_release+0x103/0x460
[ 31.892903][ T305] ? __debug_check_no_obj_freed+0x253/0x520
[ 31.893140][ T305] ? __pfx___lock_release+0x10/0x10
[ 31.893326][ T305] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 31.893513][ T305] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.893746][ T305] ? __fget_light+0x53/0x1e0
[ 31.893936][ T305] __sys_sendmsg+0xcd/0x170
[ 31.894139][ T305] ? __pfx___sys_sendmsg+0x10/0x10
[ 31.894324][ T305] ? __virt_addr_valid+0x230/0x430
[ 31.894525][ T305] do_syscall_64+0xc1/0x1d0
[ 31.894720][ T305] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 31.894945][ T305] RIP: 0033:0x7fb1c90ea7b7
[ 31.895142][ T305] 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
[ 31.895783][ T305] RSP: 002b:00007ffe95c5bd18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 31.896058][ T305] RAX: ffffffffffffffda RBX: 00007ffe95c5c440 RCX: 00007fb1c90ea7b7
[ 31.896333][ T305] RDX: 0000000000000000 RSI: 00007ffe95c5bd80 RDI: 0000000000000005
[ 31.896623][ T305] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 31.896884][ T305] R10: 000000000e8d0910 R11: 0000000000000246 R12: 0000000000000004
[ 31.897138][ T305] R13: 0000000066bea796 R14: 0000000000496600 R15: 0000000000000000
[ 31.897408][ T305]
[ 31.897572][ T305]
[ 31.897667][ T305] =============================
[ 31.897847][ T305] WARNING: suspicious RCU usage
[ 31.898022][ T305] 6.11.0-rc2-virtme #1 Not tainted
[ 31.898206][ T305] -----------------------------
[ 31.898371][ T305] net/bridge/br_private.h:453 suspicious rcu_dereference_check() usage!
[ 31.898623][ T305]
[ 31.898623][ T305] other info that might help us debug this:
[ 31.898623][ T305]
[ 31.899181][ T305]
[ 31.899181][ T305] rcu_scheduler_active = 2, debug_locks = 1
[ 31.899429][ T305] 1 lock held by ip/305:
[ 31.899568][ T305] #0: ffffffff913bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 31.899893][ T305]
[ 31.899893][ T305] stack backtrace:
[ 31.900105][ T305] CPU: 3 UID: 0 PID: 305 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 31.900456][ T305] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 31.900938][ T305] Call Trace:
[ 31.901077][ T305]
[ 31.901164][ T305] dump_stack_lvl+0xb0/0xd0
[ 31.901442][ T305] lockdep_rcu_suspicious+0x1e5/0x270
[ 31.901610][ T305] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 31.901862][ T305] br_get_link_af_size_filtered+0x654/0x7f0 [bridge]
[ 31.902130][ T305] br_info_notify+0xe6/0x280 [bridge]
[ 31.902333][ T305] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.902744][ T305] br_add_if+0xd90/0x1330 [bridge]
[ 31.902958][ T305] ? rtnl_is_locked+0x15/0x20
[ 31.903142][ T305] ? netdev_master_upper_dev_get+0x13/0x120
[ 31.903459][ T305] do_setlink+0x84b/0x21e0
[ 31.903633][ T305] ? is_bpf_text_address+0x67/0x120
[ 31.903805][ T305] ? __pfx_do_setlink+0x10/0x10
[ 31.903977][ T305] ? is_bpf_text_address+0x71/0x120
[ 31.904152][ T305] ? kernel_text_address+0xce/0xe0
[ 31.904434][ T305] ? __kernel_text_address+0x12/0x40
[ 31.904608][ T305] ? unwind_get_return_address+0x5e/0xa0
[ 31.904783][ T305] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 31.905001][ T305] ? arch_stack_walk+0xa2/0xf0
[ 31.905282][ T305] ? stack_trace_save+0x94/0xd0
[ 31.905452][ T305] ? __pfx_stack_trace_save+0x10/0x10
[ 31.905622][ T305] ? __pfx_validate_nla+0x10/0x10
[ 31.905796][ T305] ? mark_lock+0x38/0x3e0
[ 31.906050][ T305] ? kasan_save_stack+0x34/0x50
[ 31.906249][ T305] ? __nla_validate_parse+0x1bc/0x3d0
[ 31.906433][ T305] __rtnl_newlink+0xaa7/0xd80
[ 31.906612][ T305] ? hlock_class+0x4e/0x130
[ 31.906787][ T305] ? __pfx___rtnl_newlink+0x10/0x10
[ 31.906969][ T305] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.907287][ T305] ? __create_object+0x5e/0xb0
[ 31.907461][ T305] ? trace_kmalloc+0x2d/0xe0
[ 31.907639][ T305] rtnl_newlink+0x63/0xa0
[ 31.907770][ T305] rtnetlink_rcv_msg+0x2fb/0xc10
[ 31.907953][ T305] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 31.908230][ T305] ? hlock_class+0x4e/0x130
[ 31.908404][ T305] ? mark_lock+0x38/0x3e0
[ 31.908542][ T305] ? __lock_acquire+0xb35/0x1560
[ 31.908717][ T305] netlink_rcv_skb+0x130/0x360
[ 31.908904][ T305] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 31.909171][ T305] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 31.909455][ T305] ? netlink_deliver_tap+0x13e/0x340
[ 31.909643][ T305] ? netlink_deliver_tap+0xc3/0x340
[ 31.909827][ T305] netlink_unicast+0x44b/0x710
[ 31.910004][ T305] ? __pfx_netlink_unicast+0x10/0x10
[ 31.910282][ T305] ? find_held_lock+0x2c/0x110
[ 31.910459][ T305] netlink_sendmsg+0x723/0xbe0
[ 31.910642][ T305] ? __pfx_netlink_sendmsg+0x10/0x10
[ 31.910818][ T305] ? __might_fault+0xc3/0x170
[ 31.911000][ T305] ? __import_iovec+0x35d/0x5d0
[ 31.911291][ T305] ____sys_sendmsg+0x7b2/0xa10
[ 31.911463][ T305] ? __pfx_____sys_sendmsg+0x10/0x10
[ 31.911631][ T305] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 31.911842][ T305] ? __pfx_validate_chain+0x10/0x10
[ 31.912143][ T305] ___sys_sendmsg+0xee/0x170
[ 31.912311][ T305] ? __pfx____sys_sendmsg+0x10/0x10
[ 31.912484][ T305] ? find_held_lock+0x2c/0x110
[ 31.912756][ T305] ? __lock_release+0x103/0x460
[ 31.913045][ T305] ? __debug_check_no_obj_freed+0x253/0x520
[ 31.913257][ T305] ? __pfx___lock_release+0x10/0x10
[ 31.913527][ T305] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 31.913706][ T305] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.914117][ T305] ? __fget_light+0x53/0x1e0
[ 31.914294][ T305] __sys_sendmsg+0xcd/0x170
[ 31.914459][ T305] ? __pfx___sys_sendmsg+0x10/0x10
[ 31.914632][ T305] ? __virt_addr_valid+0x230/0x430
[ 31.914918][ T305] do_syscall_64+0xc1/0x1d0
[ 31.915191][ T305] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 31.915500][ T305] RIP: 0033:0x7fb1c90ea7b7
[ 31.915784][ T305] 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
[ 31.916576][ T305] RSP: 002b:00007ffe95c5bd18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 31.916936][ T305] RAX: ffffffffffffffda RBX: 00007ffe95c5c440 RCX: 00007fb1c90ea7b7
[ 31.917288][ T305] RDX: 0000000000000000 RSI: 00007ffe95c5bd80 RDI: 0000000000000005
[ 31.917646][ T305] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 31.918004][ T305] R10: 000000000e8d0910 R11: 0000000000000246 R12: 0000000000000004
[ 31.918261][ T305] R13: 0000000066bea796 R14: 0000000000496600 R15: 0000000000000000
[ 31.918530][ T305]
[ 31.918692][ T305]
[ 31.918807][ T305] =============================
[ 31.918990][ T305] WARNING: suspicious RCU usage
[ 31.919162][ T305] 6.11.0-rc2-virtme #1 Not tainted
[ 31.919327][ T305] -----------------------------
[ 31.919498][ T305] net/bridge/br_private.h:1611 suspicious rcu_dereference_check() usage!
[ 31.919755][ T305]
[ 31.919755][ T305] other info that might help us debug this:
[ 31.919755][ T305]
[ 31.920091][ T305]
[ 31.920091][ T305] rcu_scheduler_active = 2, debug_locks = 1
[ 31.920341][ T305] 1 lock held by ip/305:
[ 31.920474][ T305] #0: ffffffff913bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 31.920789][ T305]
[ 31.920789][ T305] stack backtrace:
[ 31.921012][ T305] CPU: 3 UID: 0 PID: 305 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 31.921265][ T305] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 31.921655][ T305] Call Trace:
[ 31.921787][ T305]
[ 31.921876][ T305] dump_stack_lvl+0xb0/0xd0
[ 31.922050][ T305] lockdep_rcu_suspicious+0x1e5/0x270
[ 31.922222][ T305] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 31.922470][ T305] br_get_link_af_size_filtered+0x6ab/0x7f0 [bridge]
[ 31.922721][ T305] br_info_notify+0xe6/0x280 [bridge]
[ 31.922917][ T305] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.923127][ T305] br_add_if+0xd90/0x1330 [bridge]
[ 31.923330][ T305] ? rtnl_is_locked+0x15/0x20
[ 31.923500][ T305] ? netdev_master_upper_dev_get+0x13/0x120
[ 31.923717][ T305] do_setlink+0x84b/0x21e0
[ 31.923890][ T305] ? is_bpf_text_address+0x67/0x120
[ 31.924065][ T305] ? __pfx_do_setlink+0x10/0x10
[ 31.924232][ T305] ? is_bpf_text_address+0x71/0x120
[ 31.924400][ T305] ? kernel_text_address+0xce/0xe0
[ 31.924574][ T305] ? __kernel_text_address+0x12/0x40
[ 31.924743][ T305] ? unwind_get_return_address+0x5e/0xa0
[ 31.924913][ T305] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 31.925127][ T305] ? arch_stack_walk+0xa2/0xf0
[ 31.925306][ T305] ? stack_trace_save+0x94/0xd0
[ 31.925475][ T305] ? __pfx_stack_trace_save+0x10/0x10
[ 31.925643][ T305] ? __pfx_validate_nla+0x10/0x10
[ 31.925811][ T305] ? mark_lock+0x38/0x3e0
[ 31.925943][ T305] ? kasan_save_stack+0x34/0x50
[ 31.926117][ T305] ? __nla_validate_parse+0x1bc/0x3d0
[ 31.926294][ T305] __rtnl_newlink+0xaa7/0xd80
[ 31.926492][ T305] ? hlock_class+0x4e/0x130
[ 31.926668][ T305] ? __pfx___rtnl_newlink+0x10/0x10
[ 31.926860][ T305] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.927176][ T305] ? __create_object+0x5e/0xb0
[ 31.927348][ T305] ? trace_kmalloc+0x2d/0xe0
[ 31.927521][ T305] rtnl_newlink+0x63/0xa0
[ 31.927651][ T305] rtnetlink_rcv_msg+0x2fb/0xc10
[ 31.927926][ T305] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 31.928094][ T305] ? hlock_class+0x4e/0x130
[ 31.928261][ T305] ? mark_lock+0x38/0x3e0
[ 31.928399][ T305] ? __lock_acquire+0xb35/0x1560
[ 31.928568][ T305] netlink_rcv_skb+0x130/0x360
[ 31.928742][ T305] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 31.928936][ T305] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 31.929127][ T305] ? netlink_deliver_tap+0x13e/0x340
[ 31.929297][ T305] ? netlink_deliver_tap+0xc3/0x340
[ 31.929471][ T305] netlink_unicast+0x44b/0x710
[ 31.929642][ T305] ? __pfx_netlink_unicast+0x10/0x10
[ 31.929813][ T305] ? find_held_lock+0x2c/0x110
[ 31.929987][ T305] netlink_sendmsg+0x723/0xbe0
[ 31.930167][ T305] ? __pfx_netlink_sendmsg+0x10/0x10
[ 31.930335][ T305] ? __might_fault+0xc3/0x170
[ 31.930516][ T305] ? __import_iovec+0x35d/0x5d0
[ 31.930708][ T305] ____sys_sendmsg+0x7b2/0xa10
[ 31.930885][ T305] ? __pfx_____sys_sendmsg+0x10/0x10
[ 31.931158][ T305] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 31.931398][ T305] ? __pfx_validate_chain+0x10/0x10
[ 31.931584][ T305] ___sys_sendmsg+0xee/0x170
[ 31.931757][ T305] ? __pfx____sys_sendmsg+0x10/0x10
[ 31.931930][ T305] ? find_held_lock+0x2c/0x110
[ 31.932102][ T305] ? __lock_release+0x103/0x460
[ 31.932275][ T305] ? __debug_check_no_obj_freed+0x253/0x520
[ 31.932492][ T305] ? __pfx___lock_release+0x10/0x10
[ 31.932765][ T305] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 31.932943][ T305] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.933157][ T305] ? __fget_light+0x53/0x1e0
[ 31.933344][ T305] __sys_sendmsg+0xcd/0x170
[ 31.933615][ T305] ? __pfx___sys_sendmsg+0x10/0x10
[ 31.933789][ T305] ? __virt_addr_valid+0x230/0x430
[ 31.934085][ T305] do_syscall_64+0xc1/0x1d0
[ 31.934269][ T305] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 31.934483][ T305] RIP: 0033:0x7fb1c90ea7b7
[ 31.934662][ T305] 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
[ 31.935370][ T305] RSP: 002b:00007ffe95c5bd18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 31.935626][ T305] RAX: ffffffffffffffda RBX: 00007ffe95c5c440 RCX: 00007fb1c90ea7b7
[ 31.935879][ T305] RDX: 0000000000000000 RSI: 00007ffe95c5bd80 RDI: 0000000000000005
[ 31.936246][ T305] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 31.936506][ T305] R10: 000000000e8d0910 R11: 0000000000000246 R12: 0000000000000004
[ 31.936863][ T305] R13: 0000000066bea796 R14: 0000000000496600 R15: 0000000000000000
[ 31.937125][ T305]
[ 32.107819][ T45] br1: port 1(veth1) entered blocking state
[ 32.108173][ T45] br1: port 1(veth1) entered forwarding state
[ 32.790609][ T310]
[ 32.790743][ T310] =============================
[ 32.790933][ T310] WARNING: suspicious RCU usage
[ 32.791117][ T310] 6.11.0-rc2-virtme #1 Not tainted
[ 32.791286][ T310] -----------------------------
[ 32.791456][ T310] net/bridge/br_private.h:1605 suspicious rcu_dereference_check() usage!
[ 32.791699][ T310]
[ 32.791699][ T310] other info that might help us debug this:
[ 32.791699][ T310]
[ 32.792025][ T310]
[ 32.792025][ T310] rcu_scheduler_active = 2, debug_locks = 1
[ 32.792272][ T310] 1 lock held by bridge/310:
[ 32.792434][ T310] #0: ffffffff913bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 32.792733][ T310]
[ 32.792733][ T310] stack backtrace:
[ 32.792951][ T310] CPU: 0 UID: 0 PID: 310 Comm: bridge Not tainted 6.11.0-rc2-virtme #1
[ 32.793198][ T310] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 32.793561][ T310] Call Trace:
[ 32.793691][ T310]
[ 32.793780][ T310] dump_stack_lvl+0xb0/0xd0
[ 32.793953][ T310] lockdep_rcu_suspicious+0x1e5/0x270
[ 32.794126][ T310] br_get_link_af_size_filtered+0x52b/0x7f0 [bridge]
[ 32.794399][ T310] br_info_notify+0xe6/0x280 [bridge]
[ 32.794605][ T310] br_setlink+0x364/0x500 [bridge]
[ 32.794803][ T310] ? __pfx_br_setlink+0x10/0x10 [bridge]
[ 32.795008][ T310] ? lock_acquire.part.0+0xeb/0x330
[ 32.795177][ T310] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 32.795348][ T310] ? hlock_class+0x4e/0x130
[ 32.795554][ T310] ? __mutex_trylock_common+0xfa/0x260
[ 32.795722][ T310] ? __pfx___mutex_trylock_common+0x10/0x10
[ 32.795928][ T310] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 32.796097][ T310] ? lock_acquire+0x32/0xc0
[ 32.796267][ T310] ? trace_contention_end+0xeb/0x150
[ 32.796437][ T310] ? __mutex_lock+0x170/0xac0
[ 32.796605][ T310] ? find_held_lock+0x2c/0x110
[ 32.796788][ T310] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 32.796971][ T310] ? __pfx___mutex_lock+0x10/0x10
[ 32.797159][ T310] ? __pfx___lock_release+0x10/0x10
[ 32.797335][ T310] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 32.797504][ T310] ? trace_lock_acquire+0x14d/0x1f0
[ 32.797692][ T310] rtnl_bridge_setlink+0x297/0x5b0
[ 32.797862][ T310] rtnetlink_rcv_msg+0x2fb/0xc10
[ 32.798040][ T310] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.798223][ T310] ? hlock_class+0x4e/0x130
[ 32.798427][ T310] ? mark_lock+0x38/0x3e0
[ 32.798560][ T310] ? __lock_acquire+0xb35/0x1560
[ 32.798739][ T310] netlink_rcv_skb+0x130/0x360
[ 32.798945][ T310] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.799131][ T310] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 32.799317][ T310] ? netlink_deliver_tap+0x13e/0x340
[ 32.799486][ T310] ? netlink_deliver_tap+0xc3/0x340
[ 32.799653][ T310] netlink_unicast+0x44b/0x710
[ 32.799824][ T310] ? __pfx_netlink_unicast+0x10/0x10
[ 32.799999][ T310] ? find_held_lock+0x2c/0x110
[ 32.800173][ T310] netlink_sendmsg+0x723/0xbe0
[ 32.800349][ T310] ? __pfx_netlink_sendmsg+0x10/0x10
[ 32.800519][ T310] ? __might_fault+0xc3/0x170
[ 32.800698][ T310] ? __import_iovec+0x35d/0x5d0
[ 32.800883][ T310] ____sys_sendmsg+0x7b2/0xa10
[ 32.801062][ T310] ? __pfx_____sys_sendmsg+0x10/0x10
[ 32.801239][ T310] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 32.801448][ T310] ? hlock_class+0x4e/0x130
[ 32.801622][ T310] ? validate_chain+0x130/0x9b0
[ 32.801794][ T310] ___sys_sendmsg+0xee/0x170
[ 32.801962][ T310] ? __pfx_validate_chain+0x10/0x10
[ 32.802143][ T310] ? __pfx____sys_sendmsg+0x10/0x10
[ 32.802355][ T310] ? __lock_acquire+0xb35/0x1560
[ 32.802569][ T310] ? find_held_lock+0x2c/0x110
[ 32.802741][ T310] ? __lock_release+0x103/0x460
[ 32.802942][ T310] ? __fget_light+0x53/0x1e0
[ 32.803119][ T310] ? trace_lock_acquire+0x14d/0x1f0
[ 32.803336][ T310] __sys_sendmsg+0xcd/0x170
[ 32.803591][ T310] ? __pfx___sys_sendmsg+0x10/0x10
[ 32.803904][ T310] do_syscall_64+0xc1/0x1d0
[ 32.804188][ T310] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 32.804505][ T310] RIP: 0033:0x7fb3a78507b7
[ 32.804785][ T310] 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
[ 32.805723][ T310] RSP: 002b:00007fff9ac3d6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 32.806146][ T310] RAX: ffffffffffffffda RBX: 000000000000ffff RCX: 00007fb3a78507b7
[ 32.806565][ T310] RDX: 0000000000000000 RSI: 00007fff9ac3d710 RDI: 0000000000000005
[ 32.806966][ T310] RBP: 00007fff9ac3d800 R08: 0000000000000034 R09: 0000000000000000
[ 32.807369][ T310] R10: 00007fb3a7709708 R11: 0000000000000246 R12: 000000000000000a
[ 32.807771][ T310] R13: 0000000066bea798 R14: 0000000000423360 R15: 00007fff9ac3ddb0
[ 32.808218][ T310]
[ 52.729840][ T379] ip (379) used greatest stack depth: 23760 bytes left
[ 52.873246][ T380] br1: port 1(veth1) entered disabled state
[ 53.022284][ T382] veth1: left allmulticast mode
[ 53.022569][ T382] veth1: left promiscuous mode
[ 53.022912][ T382] br1: port 1(veth1) entered disabled state