[ 28.937436][ T278] 8021q: 802.1Q VLAN Support v1.8
[ 32.433367][ T306] br1: port 1(veth1) entered blocking state
[ 32.433725][ T306] br1: port 1(veth1) entered disabled state
[ 32.434075][ T306] veth1: entered allmulticast mode
[ 32.437116][ T306] veth1: entered promiscuous mode
[ 32.437823][ T306]
[ 32.437945][ T306] =============================
[ 32.438115][ T306] WARNING: suspicious RCU usage
[ 32.438289][ T306] 6.11.0-rc2-virtme #1 Not tainted
[ 32.438463][ T306] -----------------------------
[ 32.438633][ T306] net/bridge/br_private.h:930 suspicious rcu_dereference_check() usage!
[ 32.438878][ T306]
[ 32.438878][ T306] other info that might help us debug this:
[ 32.438878][ T306]
[ 32.439200][ T306]
[ 32.439200][ T306] rcu_scheduler_active = 2, debug_locks = 1
[ 32.440342][ T306] 1 lock held by ip/306:
[ 32.440479][ T306] #0: ffffffffb5dbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 32.440796][ T306]
[ 32.440796][ T306] stack backtrace:
[ 32.440999][ T306] CPU: 0 UID: 0 PID: 306 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 32.441249][ T306] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 32.441628][ T306] Call Trace:
[ 32.441763][ T306]
[ 32.441851][ T306] dump_stack_lvl+0xb0/0xd0
[ 32.442041][ T306] lockdep_rcu_suspicious+0x1e5/0x270
[ 32.442208][ T306] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 32.442490][ T306] br_get_link_af_size_filtered+0x5f4/0x7f0 [bridge]
[ 32.442732][ T306] br_info_notify+0xe6/0x280 [bridge]
[ 32.443123][ T306] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.443334][ T306] br_add_if+0xd90/0x1330 [bridge]
[ 32.443551][ T306] ? rtnl_is_locked+0x15/0x20
[ 32.443717][ T306] ? netdev_master_upper_dev_get+0x13/0x120
[ 32.443931][ T306] do_setlink+0x84b/0x21e0
[ 32.444101][ T306] ? is_bpf_text_address+0x67/0x120
[ 32.444275][ T306] ? __pfx_do_setlink+0x10/0x10
[ 32.444441][ T306] ? is_bpf_text_address+0x71/0x120
[ 32.444605][ T306] ? kernel_text_address+0xce/0xe0
[ 32.444779][ T306] ? __kernel_text_address+0x12/0x40
[ 32.444948][ T306] ? unwind_get_return_address+0x5e/0xa0
[ 32.445112][ T306] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 32.445318][ T306] ? arch_stack_walk+0xa2/0xf0
[ 32.445502][ T306] ? stack_trace_save+0x94/0xd0
[ 32.445676][ T306] ? __pfx_stack_trace_save+0x10/0x10
[ 32.445844][ T306] ? __pfx_validate_nla+0x10/0x10
[ 32.446009][ T306] ? mark_lock+0x38/0x3e0
[ 32.446146][ T306] ? kasan_save_stack+0x34/0x50
[ 32.446327][ T306] ? __nla_validate_parse+0x1bc/0x3d0
[ 32.446502][ T306] __rtnl_newlink+0xaa7/0xd80
[ 32.446674][ T306] ? hlock_class+0x4e/0x130
[ 32.446846][ T306] ? __pfx___rtnl_newlink+0x10/0x10
[ 32.447022][ T306] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.447234][ T306] ? __create_object+0x5e/0xb0
[ 32.447402][ T306] ? trace_kmalloc+0x2d/0xe0
[ 32.447575][ T306] rtnl_newlink+0x63/0xa0
[ 32.447708][ T306] rtnetlink_rcv_msg+0x2fb/0xc10
[ 32.447891][ T306] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.448061][ T306] ? hlock_class+0x4e/0x130
[ 32.448234][ T306] ? mark_lock+0x38/0x3e0
[ 32.448366][ T306] ? __lock_acquire+0xb35/0x1560
[ 32.448535][ T306] netlink_rcv_skb+0x130/0x360
[ 32.448700][ T306] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.448870][ T306] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 32.449055][ T306] ? netlink_deliver_tap+0x13e/0x340
[ 32.449230][ T306] ? netlink_deliver_tap+0xc3/0x340
[ 32.449400][ T306] netlink_unicast+0x44b/0x710
[ 32.449568][ T306] ? __pfx_netlink_unicast+0x10/0x10
[ 32.449735][ T306] ? find_held_lock+0x2c/0x110
[ 32.449913][ T306] netlink_sendmsg+0x723/0xbe0
[ 32.450084][ T306] ? __pfx_netlink_sendmsg+0x10/0x10
[ 32.450247][ T306] ? __might_fault+0xc3/0x170
[ 32.450422][ T306] ? __import_iovec+0x35d/0x5d0
[ 32.450601][ T306] ____sys_sendmsg+0x7b2/0xa10
[ 32.450769][ T306] ? __pfx_____sys_sendmsg+0x10/0x10
[ 32.450931][ T306] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 32.451136][ T306] ? __pfx_validate_chain+0x10/0x10
[ 32.451313][ T306] ___sys_sendmsg+0xee/0x170
[ 32.451487][ T306] ? __pfx____sys_sendmsg+0x10/0x10
[ 32.451652][ T306] ? find_held_lock+0x2c/0x110
[ 32.451845][ T306] ? __lock_release+0x103/0x460
[ 32.452011][ T306] ? __debug_check_no_obj_freed+0x253/0x520
[ 32.452219][ T306] ? __pfx___lock_release+0x10/0x10
[ 32.452385][ T306] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 32.452565][ T306] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.452771][ T306] ? __fget_light+0x53/0x1e0
[ 32.452944][ T306] __sys_sendmsg+0xcd/0x170
[ 32.453111][ T306] ? __pfx___sys_sendmsg+0x10/0x10
[ 32.453284][ T306] ? __virt_addr_valid+0x230/0x430
[ 32.453471][ T306] do_syscall_64+0xc1/0x1d0
[ 32.453639][ T306] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 32.453843][ T306] RIP: 0033:0x7f67649777b7
[ 32.454016][ T306] 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
[ 32.454599][ T306] RSP: 002b:00007ffde0c3d0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 32.454853][ T306] RAX: ffffffffffffffda RBX: 00007ffde0c3d7f0 RCX: 00007f67649777b7
[ 32.455101][ T306] RDX: 0000000000000000 RSI: 00007ffde0c3d130 RDI: 0000000000000005
[ 32.455346][ T306] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 32.455604][ T306] R10: 000000001fef3910 R11: 0000000000000246 R12: 0000000000000004
[ 32.455858][ T306] R13: 0000000066bea7d1 R14: 0000000000496600 R15: 0000000000000000
[ 32.456131][ T306]
[ 32.456363][ T306]
[ 32.456453][ T306] =============================
[ 32.456623][ T306] WARNING: suspicious RCU usage
[ 32.456786][ T306] 6.11.0-rc2-virtme #1 Not tainted
[ 32.456958][ T306] -----------------------------
[ 32.457123][ T306] net/bridge/br_private.h:453 suspicious rcu_dereference_check() usage!
[ 32.457541][ T306]
[ 32.457541][ T306] other info that might help us debug this:
[ 32.457541][ T306]
[ 32.457869][ T306]
[ 32.457869][ T306] rcu_scheduler_active = 2, debug_locks = 1
[ 32.458124][ T306] 1 lock held by ip/306:
[ 32.458252][ T306] #0: ffffffffb5dbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 32.458685][ T306]
[ 32.458685][ T306] stack backtrace:
[ 32.458890][ T306] CPU: 0 UID: 0 PID: 306 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 32.459140][ T306] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 32.459511][ T306] Call Trace:
[ 32.459638][ T306]
[ 32.459737][ T306] dump_stack_lvl+0xb0/0xd0
[ 32.459918][ T306] lockdep_rcu_suspicious+0x1e5/0x270
[ 32.460088][ T306] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 32.460335][ T306] br_get_link_af_size_filtered+0x654/0x7f0 [bridge]
[ 32.460583][ T306] br_info_notify+0xe6/0x280 [bridge]
[ 32.460785][ T306] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.461000][ T306] br_add_if+0xd90/0x1330 [bridge]
[ 32.461199][ T306] ? rtnl_is_locked+0x15/0x20
[ 32.461374][ T306] ? netdev_master_upper_dev_get+0x13/0x120
[ 32.461587][ T306] do_setlink+0x84b/0x21e0
[ 32.461755][ T306] ? is_bpf_text_address+0x67/0x120
[ 32.461929][ T306] ? __pfx_do_setlink+0x10/0x10
[ 32.462098][ T306] ? is_bpf_text_address+0x71/0x120
[ 32.462265][ T306] ? kernel_text_address+0xce/0xe0
[ 32.462437][ T306] ? __kernel_text_address+0x12/0x40
[ 32.462602][ T306] ? unwind_get_return_address+0x5e/0xa0
[ 32.462766][ T306] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 32.462987][ T306] ? arch_stack_walk+0xa2/0xf0
[ 32.463168][ T306] ? stack_trace_save+0x94/0xd0
[ 32.463340][ T306] ? __pfx_stack_trace_save+0x10/0x10
[ 32.463504][ T306] ? __pfx_validate_nla+0x10/0x10
[ 32.463677][ T306] ? mark_lock+0x38/0x3e0
[ 32.463806][ T306] ? kasan_save_stack+0x34/0x50
[ 32.463981][ T306] ? __nla_validate_parse+0x1bc/0x3d0
[ 32.464166][ T306] __rtnl_newlink+0xaa7/0xd80
[ 32.464349][ T306] ? hlock_class+0x4e/0x130
[ 32.464532][ T306] ? __pfx___rtnl_newlink+0x10/0x10
[ 32.464709][ T306] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.464920][ T306] ? __create_object+0x5e/0xb0
[ 32.465090][ T306] ? trace_kmalloc+0x2d/0xe0
[ 32.465265][ T306] rtnl_newlink+0x63/0xa0
[ 32.465400][ T306] rtnetlink_rcv_msg+0x2fb/0xc10
[ 32.465577][ T306] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.465746][ T306] ? hlock_class+0x4e/0x130
[ 32.465913][ T306] ? mark_lock+0x38/0x3e0
[ 32.466044][ T306] ? __lock_acquire+0xb35/0x1560
[ 32.466216][ T306] netlink_rcv_skb+0x130/0x360
[ 32.466383][ T306] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.466558][ T306] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 32.466746][ T306] ? netlink_deliver_tap+0x13e/0x340
[ 32.466920][ T306] ? netlink_deliver_tap+0xc3/0x340
[ 32.467097][ T306] netlink_unicast+0x44b/0x710
[ 32.467271][ T306] ? __pfx_netlink_unicast+0x10/0x10
[ 32.467442][ T306] ? find_held_lock+0x2c/0x110
[ 32.467625][ T306] netlink_sendmsg+0x723/0xbe0
[ 32.467807][ T306] ? __pfx_netlink_sendmsg+0x10/0x10
[ 32.467992][ T306] ? __might_fault+0xc3/0x170
[ 32.468164][ T306] ? __import_iovec+0x35d/0x5d0
[ 32.468343][ T306] ____sys_sendmsg+0x7b2/0xa10
[ 32.468511][ T306] ? __pfx_____sys_sendmsg+0x10/0x10
[ 32.468680][ T306] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 32.468890][ T306] ? __pfx_validate_chain+0x10/0x10
[ 32.469066][ T306] ___sys_sendmsg+0xee/0x170
[ 32.469233][ T306] ? __pfx____sys_sendmsg+0x10/0x10
[ 32.469411][ T306] ? find_held_lock+0x2c/0x110
[ 32.469581][ T306] ? __lock_release+0x103/0x460
[ 32.469743][ T306] ? __debug_check_no_obj_freed+0x253/0x520
[ 32.469956][ T306] ? __pfx___lock_release+0x10/0x10
[ 32.470128][ T306] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 32.470303][ T306] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.470509][ T306] ? __fget_light+0x53/0x1e0
[ 32.470681][ T306] __sys_sendmsg+0xcd/0x170
[ 32.470846][ T306] ? __pfx___sys_sendmsg+0x10/0x10
[ 32.471012][ T306] ? __virt_addr_valid+0x230/0x430
[ 32.471199][ T306] do_syscall_64+0xc1/0x1d0
[ 32.471372][ T306] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 32.471577][ T306] RIP: 0033:0x7f67649777b7
[ 32.471751][ T306] 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
[ 32.472334][ T306] RSP: 002b:00007ffde0c3d0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 32.472586][ T306] RAX: ffffffffffffffda RBX: 00007ffde0c3d7f0 RCX: 00007f67649777b7
[ 32.472833][ T306] RDX: 0000000000000000 RSI: 00007ffde0c3d130 RDI: 0000000000000005
[ 32.473081][ T306] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 32.473325][ T306] R10: 000000001fef3910 R11: 0000000000000246 R12: 0000000000000004
[ 32.473578][ T306] R13: 0000000066bea7d1 R14: 0000000000496600 R15: 0000000000000000
[ 32.473843][ T306]
[ 32.474087][ T306]
[ 32.474175][ T306] =============================
[ 32.474454][ T306] WARNING: suspicious RCU usage
[ 32.474622][ T306] 6.11.0-rc2-virtme #1 Not tainted
[ 32.474787][ T306] -----------------------------
[ 32.474953][ T306] net/bridge/br_private.h:1611 suspicious rcu_dereference_check() usage!
[ 32.475201][ T306]
[ 32.475201][ T306] other info that might help us debug this:
[ 32.475201][ T306]
[ 32.475629][ T306]
[ 32.475629][ T306] rcu_scheduler_active = 2, debug_locks = 1
[ 32.475871][ T306] 1 lock held by ip/306:
[ 32.475999][ T306] #0: ffffffffb5dbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 32.476336][ T306]
[ 32.476336][ T306] stack backtrace:
[ 32.476546][ T306] CPU: 0 UID: 0 PID: 306 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 32.476797][ T306] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 32.477166][ T306] Call Trace:
[ 32.477296][ T306]
[ 32.477383][ T306] dump_stack_lvl+0xb0/0xd0
[ 32.477556][ T306] lockdep_rcu_suspicious+0x1e5/0x270
[ 32.477724][ T306] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 32.477981][ T306] br_get_link_af_size_filtered+0x6ab/0x7f0 [bridge]
[ 32.478227][ T306] br_info_notify+0xe6/0x280 [bridge]
[ 32.478426][ T306] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.478632][ T306] br_add_if+0xd90/0x1330 [bridge]
[ 32.478832][ T306] ? rtnl_is_locked+0x15/0x20
[ 32.478996][ T306] ? netdev_master_upper_dev_get+0x13/0x120
[ 32.479213][ T306] do_setlink+0x84b/0x21e0
[ 32.479383][ T306] ? is_bpf_text_address+0x67/0x120
[ 32.479558][ T306] ? __pfx_do_setlink+0x10/0x10
[ 32.479724][ T306] ? is_bpf_text_address+0x71/0x120
[ 32.479899][ T306] ? kernel_text_address+0xce/0xe0
[ 32.480073][ T306] ? __kernel_text_address+0x12/0x40
[ 32.480244][ T306] ? unwind_get_return_address+0x5e/0xa0
[ 32.480406][ T306] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 32.480616][ T306] ? arch_stack_walk+0xa2/0xf0
[ 32.480799][ T306] ? stack_trace_save+0x94/0xd0
[ 32.480970][ T306] ? __pfx_stack_trace_save+0x10/0x10
[ 32.481403][ T306] ? __pfx_validate_nla+0x10/0x10
[ 32.481583][ T306] ? mark_lock+0x38/0x3e0
[ 32.481715][ T306] ? kasan_save_stack+0x34/0x50
[ 32.481899][ T306] ? __nla_validate_parse+0x1bc/0x3d0
[ 32.482072][ T306] __rtnl_newlink+0xaa7/0xd80
[ 32.482247][ T306] ? hlock_class+0x4e/0x130
[ 32.482413][ T306] ? __pfx___rtnl_newlink+0x10/0x10
[ 32.482591][ T306] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.482902][ T306] ? __create_object+0x5e/0xb0
[ 32.483088][ T306] ? trace_kmalloc+0x2d/0xe0
[ 32.483260][ T306] rtnl_newlink+0x63/0xa0
[ 32.483405][ T306] rtnetlink_rcv_msg+0x2fb/0xc10
[ 32.483572][ T306] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.483833][ T306] ? hlock_class+0x4e/0x130
[ 32.484010][ T306] ? mark_lock+0x38/0x3e0
[ 32.484140][ T306] ? __lock_acquire+0xb35/0x1560
[ 32.484321][ T306] netlink_rcv_skb+0x130/0x360
[ 32.484586][ T306] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.484752][ T306] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 32.484932][ T306] ? netlink_deliver_tap+0x13e/0x340
[ 32.485099][ T306] ? netlink_deliver_tap+0xc3/0x340
[ 32.485266][ T306] netlink_unicast+0x44b/0x710
[ 32.485435][ T306] ? __pfx_netlink_unicast+0x10/0x10
[ 32.485600][ T306] ? find_held_lock+0x2c/0x110
[ 32.485775][ T306] netlink_sendmsg+0x723/0xbe0
[ 32.485947][ T306] ? __pfx_netlink_sendmsg+0x10/0x10
[ 32.486205][ T306] ? __might_fault+0xc3/0x170
[ 32.486373][ T306] ? __import_iovec+0x35d/0x5d0
[ 32.486546][ T306] ____sys_sendmsg+0x7b2/0xa10
[ 32.486713][ T306] ? __pfx_____sys_sendmsg+0x10/0x10
[ 32.486972][ T306] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 32.487175][ T306] ? __pfx_validate_chain+0x10/0x10
[ 32.487359][ T306] ___sys_sendmsg+0xee/0x170
[ 32.487526][ T306] ? __pfx____sys_sendmsg+0x10/0x10
[ 32.487787][ T306] ? find_held_lock+0x2c/0x110
[ 32.487971][ T306] ? __lock_release+0x103/0x460
[ 32.488135][ T306] ? __debug_check_no_obj_freed+0x253/0x520
[ 32.488340][ T306] ? __pfx___lock_release+0x10/0x10
[ 32.488603][ T306] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 32.488774][ T306] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.488984][ T306] ? __fget_light+0x53/0x1e0
[ 32.489159][ T306] __sys_sendmsg+0xcd/0x170
[ 32.489428][ T306] ? __pfx___sys_sendmsg+0x10/0x10
[ 32.489604][ T306] ? __virt_addr_valid+0x230/0x430
[ 32.489790][ T306] do_syscall_64+0xc1/0x1d0
[ 32.489957][ T306] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 32.490163][ T306] RIP: 0033:0x7f67649777b7
[ 32.490343][ T306] 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
[ 32.490914][ T306] RSP: 002b:00007ffde0c3d0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 32.491163][ T306] RAX: ffffffffffffffda RBX: 00007ffde0c3d7f0 RCX: 00007f67649777b7
[ 32.491407][ T306] RDX: 0000000000000000 RSI: 00007ffde0c3d130 RDI: 0000000000000005
[ 32.491755][ T306] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 32.492002][ T306] R10: 000000001fef3910 R11: 0000000000000246 R12: 0000000000000004
[ 32.492247][ T306] R13: 0000000066bea7d1 R14: 0000000000496600 R15: 0000000000000000
[ 32.492610][ T306]
[ 32.504965][ T306] ip (306) used greatest stack depth: 23536 bytes left
[ 32.640217][ T38] br1: port 1(veth1) entered blocking state
[ 32.640604][ T38] br1: port 1(veth1) entered forwarding state
[ 33.263016][ T311]
[ 33.263139][ T311] =============================
[ 33.264023][ T311] WARNING: suspicious RCU usage
[ 33.264212][ T311] 6.11.0-rc2-virtme #1 Not tainted
[ 33.264402][ T311] -----------------------------
[ 33.264605][ T311] net/bridge/br_private.h:1605 suspicious rcu_dereference_check() usage!
[ 33.264876][ T311]
[ 33.264876][ T311] other info that might help us debug this:
[ 33.264876][ T311]
[ 33.265238][ T311]
[ 33.265238][ T311] rcu_scheduler_active = 2, debug_locks = 1
[ 33.265511][ T311] 1 lock held by bridge/311:
[ 33.265706][ T311] #0: ffffffffb5dbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 33.266034][ T311]
[ 33.266034][ T311] stack backtrace:
[ 33.266249][ T311] CPU: 1 UID: 0 PID: 311 Comm: bridge Not tainted 6.11.0-rc2-virtme #1
[ 33.266514][ T311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 33.266921][ T311] Call Trace:
[ 33.267057][ T311]
[ 33.267150][ T311] dump_stack_lvl+0xb0/0xd0
[ 33.267334][ T311] lockdep_rcu_suspicious+0x1e5/0x270
[ 33.267513][ T311] br_get_link_af_size_filtered+0x52b/0x7f0 [bridge]
[ 33.267785][ T311] br_info_notify+0xe6/0x280 [bridge]
[ 33.268002][ T311] br_setlink+0x364/0x500 [bridge]
[ 33.268217][ T311] ? __pfx_br_setlink+0x10/0x10 [bridge]
[ 33.268429][ T311] ? lock_acquire.part.0+0xeb/0x330
[ 33.268615][ T311] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 33.268795][ T311] ? hlock_class+0x4e/0x130
[ 33.268973][ T311] ? __mutex_trylock_common+0xfa/0x260
[ 33.269151][ T311] ? __pfx___mutex_trylock_common+0x10/0x10
[ 33.269369][ T311] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 33.269546][ T311] ? lock_acquire+0x32/0xc0
[ 33.269733][ T311] ? trace_contention_end+0xeb/0x150
[ 33.269910][ T311] ? __mutex_lock+0x170/0xac0
[ 33.270086][ T311] ? find_held_lock+0x2c/0x110
[ 33.270262][ T311] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 33.270437][ T311] ? __pfx___mutex_lock+0x10/0x10
[ 33.270625][ T311] ? __pfx___lock_release+0x10/0x10
[ 33.270805][ T311] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 33.270985][ T311] ? trace_lock_acquire+0x14d/0x1f0
[ 33.271166][ T311] rtnl_bridge_setlink+0x297/0x5b0
[ 33.271346][ T311] rtnetlink_rcv_msg+0x2fb/0xc10
[ 33.271538][ T311] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 33.271728][ T311] ? hlock_class+0x4e/0x130
[ 33.271903][ T311] ? mark_lock+0x38/0x3e0
[ 33.272041][ T311] ? __lock_acquire+0xb35/0x1560
[ 33.272222][ T311] netlink_rcv_skb+0x130/0x360
[ 33.272402][ T311] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 33.272581][ T311] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 33.272847][ T311] ? netlink_deliver_tap+0x13e/0x340
[ 33.273028][ T311] ? netlink_deliver_tap+0xc3/0x340
[ 33.273207][ T311] netlink_unicast+0x44b/0x710
[ 33.273401][ T311] ? __pfx_netlink_unicast+0x10/0x10
[ 33.273579][ T311] ? find_held_lock+0x2c/0x110
[ 33.273787][ T311] netlink_sendmsg+0x723/0xbe0
[ 33.273973][ T311] ? __pfx_netlink_sendmsg+0x10/0x10
[ 33.274159][ T311] ? __might_fault+0xc3/0x170
[ 33.274340][ T311] ? __import_iovec+0x35d/0x5d0
[ 33.274537][ T311] ____sys_sendmsg+0x7b2/0xa10
[ 33.274731][ T311] ? __pfx_____sys_sendmsg+0x10/0x10
[ 33.274905][ T311] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 33.275123][ T311] ? hlock_class+0x4e/0x130
[ 33.275308][ T311] ? validate_chain+0x130/0x9b0
[ 33.275495][ T311] ___sys_sendmsg+0xee/0x170
[ 33.275702][ T311] ? __pfx_validate_chain+0x10/0x10
[ 33.275878][ T311] ? __pfx____sys_sendmsg+0x10/0x10
[ 33.276059][ T311] ? __lock_acquire+0xb35/0x1560
[ 33.276263][ T311] ? find_held_lock+0x2c/0x110
[ 33.276441][ T311] ? __lock_release+0x103/0x460
[ 33.276641][ T311] ? __fget_light+0x53/0x1e0
[ 33.276818][ T311] ? trace_lock_acquire+0x14d/0x1f0
[ 33.277001][ T311] __sys_sendmsg+0xcd/0x170
[ 33.277193][ T311] ? __pfx___sys_sendmsg+0x10/0x10
[ 33.277402][ T311] do_syscall_64+0xc1/0x1d0
[ 33.277588][ T311] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 33.277844][ T311] RIP: 0033:0x7f29257497b7
[ 33.278041][ T311] 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
[ 33.278670][ T311] RSP: 002b:00007fffc7fc3808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 33.278952][ T311] RAX: ffffffffffffffda RBX: 000000000000ffff RCX: 00007f29257497b7
[ 33.279224][ T311] RDX: 0000000000000000 RSI: 00007fffc7fc3870 RDI: 0000000000000005
[ 33.279487][ T311] RBP: 00007fffc7fc3960 R08: 0000000000000034 R09: 0000000000000000
[ 33.279824][ T311] R10: 00007f2925602708 R11: 0000000000000246 R12: 000000000000000a
[ 33.280087][ T311] R13: 0000000066bea7d3 R14: 0000000000423360 R15: 00007fffc7fc3f20
[ 33.280365][ T311]
[ 48.105542][ T365] br1: port 1(veth1) entered disabled state
[ 48.272330][ T367] veth1: left allmulticast mode
[ 48.272535][ T367] veth1: left promiscuous mode
[ 48.272842][ T367] br1: port 1(veth1) entered disabled state