[ 30.021899][ T279] 8021q: 802.1Q VLAN Support v1.8
[ 30.061141][ T278] ip (278) used greatest stack depth: 23808 bytes left
[ 33.929973][ T308] br1: port 1(veth1) entered blocking state
[ 33.930686][ T308] br1: port 1(veth1) entered disabled state
[ 33.931242][ T308] veth1: entered allmulticast mode
[ 33.934543][ T308] veth1: entered promiscuous mode
[ 33.936902][ T308]
[ 33.937063][ T308] =============================
[ 33.937321][ T308] WARNING: suspicious RCU usage
[ 33.937598][ T308] 6.11.0-rc2-virtme #1 Not tainted
[ 33.937857][ T308] -----------------------------
[ 33.938117][ T308] net/bridge/br_private.h:930 suspicious rcu_dereference_check() usage!
[ 33.938507][ T308]
[ 33.938507][ T308] other info that might help us debug this:
[ 33.938507][ T308]
[ 33.939046][ T308]
[ 33.939046][ T308] rcu_scheduler_active = 2, debug_locks = 1
[ 33.939472][ T308] 1 lock held by ip/308:
[ 33.939693][ T308] #0: ffffffff885bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 33.940075][ T308]
[ 33.940075][ T308] stack backtrace:
[ 33.940284][ T308] CPU: 3 UID: 0 PID: 308 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 33.940763][ T308] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 33.941130][ T308] Call Trace:
[ 33.941261][ T308]
[ 33.941351][ T308] dump_stack_lvl+0xb0/0xd0
[ 33.941538][ T308] lockdep_rcu_suspicious+0x1e5/0x270
[ 33.941709][ T308] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 33.941997][ T308] br_get_link_af_size_filtered+0x5f4/0x7f0 [bridge]
[ 33.942244][ T308] br_info_notify+0xe6/0x280 [bridge]
[ 33.942443][ T308] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 33.942657][ T308] br_add_if+0xd90/0x1330 [bridge]
[ 33.942858][ T308] ? rtnl_is_locked+0x15/0x20
[ 33.943033][ T308] ? netdev_master_upper_dev_get+0x13/0x120
[ 33.943247][ T308] do_setlink+0x84b/0x21e0
[ 33.943419][ T308] ? is_bpf_text_address+0x67/0x120
[ 33.943595][ T308] ? __pfx_do_setlink+0x10/0x10
[ 33.943767][ T308] ? is_bpf_text_address+0x71/0x120
[ 33.943933][ T308] ? kernel_text_address+0xce/0xe0
[ 33.944103][ T308] ? __kernel_text_address+0x12/0x40
[ 33.944272][ T308] ? unwind_get_return_address+0x5e/0xa0
[ 33.944444][ T308] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 33.944656][ T308] ? arch_stack_walk+0xa2/0xf0
[ 33.944836][ T308] ? stack_trace_save+0x94/0xd0
[ 33.945006][ T308] ? __pfx_stack_trace_save+0x10/0x10
[ 33.945173][ T308] ? __pfx_validate_nla+0x10/0x10
[ 33.945343][ T308] ? mark_lock+0x38/0x3e0
[ 33.945474][ T308] ? kasan_save_stack+0x34/0x50
[ 33.945646][ T308] ? __nla_validate_parse+0x1bc/0x3d0
[ 33.945824][ T308] __rtnl_newlink+0xaa7/0xd80
[ 33.946001][ T308] ? hlock_class+0x4e/0x130
[ 33.946171][ T308] ? __pfx___rtnl_newlink+0x10/0x10
[ 33.946344][ T308] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 33.946563][ T308] ? __create_object+0x5e/0xb0
[ 33.946735][ T308] ? trace_kmalloc+0x2d/0xe0
[ 33.946911][ T308] rtnl_newlink+0x63/0xa0
[ 33.947038][ T308] rtnetlink_rcv_msg+0x2fb/0xc10
[ 33.947213][ T308] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 33.947380][ T308] ? hlock_class+0x4e/0x130
[ 33.947552][ T308] ? mark_lock+0x38/0x3e0
[ 33.947684][ T308] ? __lock_acquire+0xb35/0x1560
[ 33.947855][ T308] netlink_rcv_skb+0x130/0x360
[ 33.948022][ T308] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 33.948192][ T308] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 33.948378][ T308] ? netlink_deliver_tap+0x13e/0x340
[ 33.948551][ T308] ? netlink_deliver_tap+0xc3/0x340
[ 33.948723][ T308] netlink_unicast+0x44b/0x710
[ 33.948901][ T308] ? __pfx_netlink_unicast+0x10/0x10
[ 33.949073][ T308] ? find_held_lock+0x2c/0x110
[ 33.949248][ T308] netlink_sendmsg+0x723/0xbe0
[ 33.949423][ T308] ? __pfx_netlink_sendmsg+0x10/0x10
[ 33.949589][ T308] ? __might_fault+0xc3/0x170
[ 33.949762][ T308] ? __import_iovec+0x35d/0x5d0
[ 33.949950][ T308] ____sys_sendmsg+0x7b2/0xa10
[ 33.950125][ T308] ? __pfx_____sys_sendmsg+0x10/0x10
[ 33.950294][ T308] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 33.950505][ T308] ? __pfx_validate_chain+0x10/0x10
[ 33.950685][ T308] ___sys_sendmsg+0xee/0x170
[ 33.950858][ T308] ? __pfx____sys_sendmsg+0x10/0x10
[ 33.951028][ T308] ? find_held_lock+0x2c/0x110
[ 33.951202][ T308] ? __lock_release+0x103/0x460
[ 33.951369][ T308] ? __debug_check_no_obj_freed+0x253/0x520
[ 33.951585][ T308] ? __pfx___lock_release+0x10/0x10
[ 33.951756][ T308] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 33.951934][ T308] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 33.952145][ T308] ? __fget_light+0x53/0x1e0
[ 33.952322][ T308] __sys_sendmsg+0xcd/0x170
[ 33.952493][ T308] ? __pfx___sys_sendmsg+0x10/0x10
[ 33.952662][ T308] ? __virt_addr_valid+0x230/0x430
[ 33.952858][ T308] do_syscall_64+0xc1/0x1d0
[ 33.953032][ T308] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 33.953243][ T308] RIP: 0033:0x7f630c6527b7
[ 33.953425][ T308] 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
[ 33.954010][ T308] RSP: 002b:00007ffc49c6f998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 33.954273][ T308] RAX: ffffffffffffffda RBX: 00007ffc49c700c0 RCX: 00007f630c6527b7
[ 33.954525][ T308] RDX: 0000000000000000 RSI: 00007ffc49c6fa00 RDI: 0000000000000005
[ 33.954777][ T308] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 33.955027][ T308] R10: 00000000286da910 R11: 0000000000000246 R12: 0000000000000004
[ 33.955276][ T308] R13: 0000000066bea22d R14: 0000000000496600 R15: 0000000000000000
[ 33.955548][ T308]
[ 33.955867][ T308]
[ 33.955962][ T308] =============================
[ 33.956129][ T308] WARNING: suspicious RCU usage
[ 33.956295][ T308] 6.11.0-rc2-virtme #1 Not tainted
[ 33.956475][ T308] -----------------------------
[ 33.956641][ T308] net/bridge/br_private.h:453 suspicious rcu_dereference_check() usage!
[ 33.956893][ T308]
[ 33.956893][ T308] other info that might help us debug this:
[ 33.956893][ T308]
[ 33.957213][ T308]
[ 33.957213][ T308] rcu_scheduler_active = 2, debug_locks = 1
[ 33.957464][ T308] 1 lock held by ip/308:
[ 33.957593][ T308] #0: ffffffff885bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 33.957896][ T308]
[ 33.957896][ T308] stack backtrace:
[ 33.958104][ T308] CPU: 3 UID: 0 PID: 308 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 33.958365][ T308] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 33.958730][ T308] Call Trace:
[ 33.958857][ T308]
[ 33.958948][ T308] dump_stack_lvl+0xb0/0xd0
[ 33.959124][ T308] lockdep_rcu_suspicious+0x1e5/0x270
[ 33.959292][ T308] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 33.959542][ T308] br_get_link_af_size_filtered+0x654/0x7f0 [bridge]
[ 33.959793][ T308] br_info_notify+0xe6/0x280 [bridge]
[ 33.959998][ T308] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 33.960207][ T308] br_add_if+0xd90/0x1330 [bridge]
[ 33.960409][ T308] ? rtnl_is_locked+0x15/0x20
[ 33.960575][ T308] ? netdev_master_upper_dev_get+0x13/0x120
[ 33.960785][ T308] do_setlink+0x84b/0x21e0
[ 33.960959][ T308] ? is_bpf_text_address+0x67/0x120
[ 33.961126][ T308] ? __pfx_do_setlink+0x10/0x10
[ 33.961293][ T308] ? is_bpf_text_address+0x71/0x120
[ 33.961462][ T308] ? kernel_text_address+0xce/0xe0
[ 33.961631][ T308] ? __kernel_text_address+0x12/0x40
[ 33.961796][ T308] ? unwind_get_return_address+0x5e/0xa0
[ 33.961964][ T308] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 33.962169][ T308] ? arch_stack_walk+0xa2/0xf0
[ 33.962354][ T308] ? stack_trace_save+0x94/0xd0
[ 33.962531][ T308] ? __pfx_stack_trace_save+0x10/0x10
[ 33.962696][ T308] ? __pfx_validate_nla+0x10/0x10
[ 33.962866][ T308] ? mark_lock+0x38/0x3e0
[ 33.962995][ T308] ? kasan_save_stack+0x34/0x50
[ 33.963169][ T308] ? __nla_validate_parse+0x1bc/0x3d0
[ 33.963340][ T308] __rtnl_newlink+0xaa7/0xd80
[ 33.963515][ T308] ? hlock_class+0x4e/0x130
[ 33.963694][ T308] ? __pfx___rtnl_newlink+0x10/0x10
[ 33.963867][ T308] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 33.964077][ T308] ? __create_object+0x5e/0xb0
[ 33.964245][ T308] ? trace_kmalloc+0x2d/0xe0
[ 33.964419][ T308] rtnl_newlink+0x63/0xa0
[ 33.964548][ T308] rtnetlink_rcv_msg+0x2fb/0xc10
[ 33.964716][ T308] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 33.964887][ T308] ? hlock_class+0x4e/0x130
[ 33.965052][ T308] ? mark_lock+0x38/0x3e0
[ 33.965187][ T308] ? __lock_acquire+0xb35/0x1560
[ 33.965357][ T308] netlink_rcv_skb+0x130/0x360
[ 33.965523][ T308] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 33.965690][ T308] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 33.965879][ T308] ? netlink_deliver_tap+0x13e/0x340
[ 33.966049][ T308] ? netlink_deliver_tap+0xc3/0x340
[ 33.966217][ T308] netlink_unicast+0x44b/0x710
[ 33.966387][ T308] ? __pfx_netlink_unicast+0x10/0x10
[ 33.966561][ T308] ? find_held_lock+0x2c/0x110
[ 33.966872][ T308] netlink_sendmsg+0x723/0xbe0
[ 33.967044][ T308] ? __pfx_netlink_sendmsg+0x10/0x10
[ 33.967212][ T308] ? __might_fault+0xc3/0x170
[ 33.967383][ T308] ? __import_iovec+0x35d/0x5d0
[ 33.967563][ T308] ____sys_sendmsg+0x7b2/0xa10
[ 33.967825][ T308] ? __pfx_____sys_sendmsg+0x10/0x10
[ 33.967989][ T308] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 33.968198][ T308] ? __pfx_validate_chain+0x10/0x10
[ 33.968378][ T308] ___sys_sendmsg+0xee/0x170
[ 33.968657][ T308] ? __pfx____sys_sendmsg+0x10/0x10
[ 33.968826][ T308] ? find_held_lock+0x2c/0x110
[ 33.968993][ T308] ? __lock_release+0x103/0x460
[ 33.969158][ T308] ? __debug_check_no_obj_freed+0x253/0x520
[ 33.969362][ T308] ? __pfx___lock_release+0x10/0x10
[ 33.969536][ T308] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 33.969712][ T308] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 33.969937][ T308] ? __fget_light+0x53/0x1e0
[ 33.970206][ T308] __sys_sendmsg+0xcd/0x170
[ 33.970371][ T308] ? __pfx___sys_sendmsg+0x10/0x10
[ 33.970536][ T308] ? __virt_addr_valid+0x230/0x430
[ 33.970723][ T308] do_syscall_64+0xc1/0x1d0
[ 33.970990][ T308] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 33.971199][ T308] RIP: 0033:0x7f630c6527b7
[ 33.971370][ T308] 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
[ 33.972047][ T308] RSP: 002b:00007ffc49c6f998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 33.972299][ T308] RAX: ffffffffffffffda RBX: 00007ffc49c700c0 RCX: 00007f630c6527b7
[ 33.972647][ T308] RDX: 0000000000000000 RSI: 00007ffc49c6fa00 RDI: 0000000000000005
[ 33.972894][ T308] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 33.973140][ T308] R10: 00000000286da910 R11: 0000000000000246 R12: 0000000000000004
[ 33.973489][ T308] R13: 0000000066bea22d R14: 0000000000496600 R15: 0000000000000000
[ 33.973750][ T308]
[ 33.973898][ T308]
[ 33.973993][ T308] =============================
[ 33.974252][ T308] WARNING: suspicious RCU usage
[ 33.974426][ T308] 6.11.0-rc2-virtme #1 Not tainted
[ 33.974597][ T308] -----------------------------
[ 33.974762][ T308] net/bridge/br_private.h:1611 suspicious rcu_dereference_check() usage!
[ 33.975188][ T308]
[ 33.975188][ T308] other info that might help us debug this:
[ 33.975188][ T308]
[ 33.975518][ T308]
[ 33.975518][ T308] rcu_scheduler_active = 2, debug_locks = 1
[ 33.975861][ T308] 1 lock held by ip/308:
[ 33.975993][ T308] #0: ffffffff885bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 33.976294][ T308]
[ 33.976294][ T308] stack backtrace:
[ 33.976506][ T308] CPU: 3 UID: 0 PID: 308 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 33.976846][ T308] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 33.977217][ T308] Call Trace:
[ 33.977344][ T308]
[ 33.977545][ T308] dump_stack_lvl+0xb0/0xd0
[ 33.977716][ T308] lockdep_rcu_suspicious+0x1e5/0x270
[ 33.977881][ T308] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 33.978121][ T308] br_get_link_af_size_filtered+0x6ab/0x7f0 [bridge]
[ 33.978367][ T308] br_info_notify+0xe6/0x280 [bridge]
[ 33.978569][ T308] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 33.978776][ T308] br_add_if+0xd90/0x1330 [bridge]
[ 33.978975][ T308] ? rtnl_is_locked+0x15/0x20
[ 33.979234][ T308] ? netdev_master_upper_dev_get+0x13/0x120
[ 33.979442][ T308] do_setlink+0x84b/0x21e0
[ 33.979612][ T308] ? is_bpf_text_address+0x67/0x120
[ 33.979788][ T308] ? __pfx_do_setlink+0x10/0x10
[ 33.980052][ T308] ? is_bpf_text_address+0x71/0x120
[ 33.980226][ T308] ? kernel_text_address+0xce/0xe0
[ 33.980394][ T308] ? __kernel_text_address+0x12/0x40
[ 33.980560][ T308] ? unwind_get_return_address+0x5e/0xa0
[ 33.980819][ T308] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 33.981027][ T308] ? arch_stack_walk+0xa2/0xf0
[ 33.981209][ T308] ? stack_trace_save+0x94/0xd0
[ 33.981375][ T308] ? __pfx_stack_trace_save+0x10/0x10
[ 33.981643][ T308] ? __pfx_validate_nla+0x10/0x10
[ 33.981810][ T308] ? mark_lock+0x38/0x3e0
[ 33.981940][ T308] ? kasan_save_stack+0x34/0x50
[ 33.982115][ T308] ? __nla_validate_parse+0x1bc/0x3d0
[ 33.982289][ T308] __rtnl_newlink+0xaa7/0xd80
[ 33.982576][ T308] ? hlock_class+0x4e/0x130
[ 33.982743][ T308] ? __pfx___rtnl_newlink+0x10/0x10
[ 33.982915][ T308] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 33.983144][ T308] ? __create_object+0x5e/0xb0
[ 33.983326][ T308] ? trace_kmalloc+0x2d/0xe0
[ 33.983516][ T308] rtnl_newlink+0x63/0xa0
[ 33.983652][ T308] rtnetlink_rcv_msg+0x2fb/0xc10
[ 33.983834][ T308] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 33.984111][ T308] ? hlock_class+0x4e/0x130
[ 33.984290][ T308] ? mark_lock+0x38/0x3e0
[ 33.984432][ T308] ? __lock_acquire+0xb35/0x1560
[ 33.984615][ T308] netlink_rcv_skb+0x130/0x360
[ 33.984802][ T308] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 33.985084][ T308] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 33.985280][ T308] ? netlink_deliver_tap+0x13e/0x340
[ 33.985462][ T308] ? netlink_deliver_tap+0xc3/0x340
[ 33.985642][ T308] netlink_unicast+0x44b/0x710
[ 33.985920][ T308] ? __pfx_netlink_unicast+0x10/0x10
[ 33.986104][ T308] ? find_held_lock+0x2c/0x110
[ 33.986287][ T308] netlink_sendmsg+0x723/0xbe0
[ 33.986476][ T308] ? __pfx_netlink_sendmsg+0x10/0x10
[ 33.986750][ T308] ? __might_fault+0xc3/0x170
[ 33.986932][ T308] ? __import_iovec+0x35d/0x5d0
[ 33.987119][ T308] ____sys_sendmsg+0x7b2/0xa10
[ 33.987300][ T308] ? __pfx_____sys_sendmsg+0x10/0x10
[ 33.987575][ T308] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 33.987796][ T308] ? __pfx_validate_chain+0x10/0x10
[ 33.987986][ T308] ___sys_sendmsg+0xee/0x170
[ 33.988172][ T308] ? __pfx____sys_sendmsg+0x10/0x10
[ 33.988462][ T308] ? find_held_lock+0x2c/0x110
[ 33.988644][ T308] ? __lock_release+0x103/0x460
[ 33.988823][ T308] ? __debug_check_no_obj_freed+0x253/0x520
[ 33.989045][ T308] ? __pfx___lock_release+0x10/0x10
[ 33.989230][ T308] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 33.989415][ T308] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 33.989638][ T308] ? __fget_light+0x53/0x1e0
[ 33.989838][ T308] __sys_sendmsg+0xcd/0x170
[ 33.990117][ T308] ? __pfx___sys_sendmsg+0x10/0x10
[ 33.990294][ T308] ? __virt_addr_valid+0x230/0x430
[ 33.990496][ T308] do_syscall_64+0xc1/0x1d0
[ 33.990676][ T308] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 33.990996][ T308] RIP: 0033:0x7f630c6527b7
[ 33.991181][ T308] 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
[ 33.991901][ T308] RSP: 002b:00007ffc49c6f998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 33.992166][ T308] RAX: ffffffffffffffda RBX: 00007ffc49c700c0 RCX: 00007f630c6527b7
[ 33.992430][ T308] RDX: 0000000000000000 RSI: 00007ffc49c6fa00 RDI: 0000000000000005
[ 33.992793][ T308] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 33.993066][ T308] R10: 00000000286da910 R11: 0000000000000246 R12: 0000000000000004
[ 33.993331][ T308] R13: 0000000066bea22d R14: 0000000000496600 R15: 0000000000000000
[ 33.993707][ T308]
[ 34.153512][ T62] br1: port 1(veth1) entered blocking state
[ 34.153931][ T62] br1: port 1(veth1) entered forwarding state
[ 34.839634][ T313]
[ 34.839786][ T313] =============================
[ 34.839956][ T313] WARNING: suspicious RCU usage
[ 34.840139][ T313] 6.11.0-rc2-virtme #1 Not tainted
[ 34.840305][ T313] -----------------------------
[ 34.841449][ T313] net/bridge/br_private.h:1605 suspicious rcu_dereference_check() usage!
[ 34.841702][ T313]
[ 34.841702][ T313] other info that might help us debug this:
[ 34.841702][ T313]
[ 34.842048][ T313]
[ 34.842048][ T313] rcu_scheduler_active = 2, debug_locks = 1
[ 34.842305][ T313] 1 lock held by bridge/313:
[ 34.842586][ T313] #0: ffffffff885bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 34.842927][ T313]
[ 34.842927][ T313] stack backtrace:
[ 34.843143][ T313] CPU: 1 UID: 0 PID: 313 Comm: bridge Not tainted 6.11.0-rc2-virtme #1
[ 34.843393][ T313] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 34.843754][ T313] Call Trace:
[ 34.843903][ T313]
[ 34.844012][ T313] dump_stack_lvl+0xb0/0xd0
[ 34.844188][ T313] lockdep_rcu_suspicious+0x1e5/0x270
[ 34.844369][ T313] br_get_link_af_size_filtered+0x52b/0x7f0 [bridge]
[ 34.844633][ T313] br_info_notify+0xe6/0x280 [bridge]
[ 34.844847][ T313] br_setlink+0x364/0x500 [bridge]
[ 34.845074][ T313] ? __pfx_br_setlink+0x10/0x10 [bridge]
[ 34.845313][ T313] ? lock_acquire.part.0+0xeb/0x330
[ 34.845488][ T313] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 34.845659][ T313] ? hlock_class+0x4e/0x130
[ 34.845863][ T313] ? __mutex_trylock_common+0xfa/0x260
[ 34.846029][ T313] ? __pfx___mutex_trylock_common+0x10/0x10
[ 34.846235][ T313] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 34.846414][ T313] ? lock_acquire+0x32/0xc0
[ 34.846586][ T313] ? trace_contention_end+0xeb/0x150
[ 34.846767][ T313] ? __mutex_lock+0x170/0xac0
[ 34.846940][ T313] ? find_held_lock+0x2c/0x110
[ 34.847109][ T313] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 34.847277][ T313] ? __pfx___mutex_lock+0x10/0x10
[ 34.847447][ T313] ? __pfx___lock_release+0x10/0x10
[ 34.847614][ T313] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 34.847789][ T313] ? trace_lock_acquire+0x14d/0x1f0
[ 34.847980][ T313] rtnl_bridge_setlink+0x297/0x5b0
[ 34.848155][ T313] rtnetlink_rcv_msg+0x2fb/0xc10
[ 34.848330][ T313] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 34.848529][ T313] ? hlock_class+0x4e/0x130
[ 34.848694][ T313] ? mark_lock+0x38/0x3e0
[ 34.848835][ T313] ? __lock_acquire+0xb35/0x1560
[ 34.849034][ T313] netlink_rcv_skb+0x130/0x360
[ 34.849203][ T313] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 34.849383][ T313] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 34.849572][ T313] ? netlink_deliver_tap+0x13e/0x340
[ 34.849785][ T313] ? netlink_deliver_tap+0xc3/0x340
[ 34.849958][ T313] netlink_unicast+0x44b/0x710
[ 34.850133][ T313] ? __pfx_netlink_unicast+0x10/0x10
[ 34.850327][ T313] ? find_held_lock+0x2c/0x110
[ 34.850504][ T313] netlink_sendmsg+0x723/0xbe0
[ 34.850678][ T313] ? __pfx_netlink_sendmsg+0x10/0x10
[ 34.850874][ T313] ? __might_fault+0xc3/0x170
[ 34.851049][ T313] ? __import_iovec+0x35d/0x5d0
[ 34.851234][ T313] ____sys_sendmsg+0x7b2/0xa10
[ 34.851406][ T313] ? __pfx_____sys_sendmsg+0x10/0x10
[ 34.851577][ T313] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 34.851783][ T313] ? hlock_class+0x4e/0x130
[ 34.851955][ T313] ? validate_chain+0x130/0x9b0
[ 34.852138][ T313] ___sys_sendmsg+0xee/0x170
[ 34.852307][ T313] ? __pfx_validate_chain+0x10/0x10
[ 34.852474][ T313] ? __pfx____sys_sendmsg+0x10/0x10
[ 34.852653][ T313] ? __lock_acquire+0xb35/0x1560
[ 34.852833][ T313] ? find_held_lock+0x2c/0x110
[ 34.853004][ T313] ? __lock_release+0x103/0x460
[ 34.853172][ T313] ? __fget_light+0x53/0x1e0
[ 34.853348][ T313] ? trace_lock_acquire+0x14d/0x1f0
[ 34.853825][ T313] __sys_sendmsg+0xcd/0x170
[ 34.854089][ T313] ? __pfx___sys_sendmsg+0x10/0x10
[ 34.854385][ T313] do_syscall_64+0xc1/0x1d0
[ 34.854656][ T313] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 34.854998][ T313] RIP: 0033:0x7f2210ff67b7
[ 34.855285][ T313] 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
[ 34.856210][ T313] RSP: 002b:00007ffd6a42f2b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 34.856623][ T313] RAX: ffffffffffffffda RBX: 000000000000ffff RCX: 00007f2210ff67b7
[ 34.857046][ T313] RDX: 0000000000000000 RSI: 00007ffd6a42f320 RDI: 0000000000000005
[ 34.857459][ T313] RBP: 00007ffd6a42f410 R08: 0000000000000034 R09: 0000000000000000
[ 34.857867][ T313] R10: 00007f2210eaf708 R11: 0000000000000246 R12: 000000000000000a
[ 34.858278][ T313] R13: 0000000066bea22f R14: 0000000000423360 R15: 00007ffd6a42f9d0
[ 34.858721][ T313]
[ 50.262164][ T367] br1: port 1(veth1) entered disabled state
[ 50.425746][ T368] veth1: left allmulticast mode
[ 50.425947][ T368] veth1: left promiscuous mode
[ 50.426251][ T368] br1: port 1(veth1) entered disabled state