[ 32.327145][ T301] br1: port 1(veth1) entered blocking state
[ 32.328067][ T301] br1: port 1(veth1) entered disabled state
[ 32.328440][ T301] veth1: entered allmulticast mode
[ 32.330421][ T301] veth1: entered promiscuous mode
[ 32.331320][ T301]
[ 32.331467][ T301] =============================
[ 32.331651][ T301] WARNING: suspicious RCU usage
[ 32.331821][ T301] 6.11.0-rc2-virtme #1 Not tainted
[ 32.332007][ T301] -----------------------------
[ 32.332177][ T301] net/bridge/br_private.h:930 suspicious rcu_dereference_check() usage!
[ 32.332446][ T301]
[ 32.332446][ T301] other info that might help us debug this:
[ 32.332446][ T301]
[ 32.332768][ T301]
[ 32.332768][ T301] rcu_scheduler_active = 2, debug_locks = 1
[ 32.333034][ T301] 1 lock held by ip/301:
[ 32.333172][ T301] #0: ffffffffac7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 32.333491][ T301]
[ 32.333491][ T301] stack backtrace:
[ 32.333701][ T301] CPU: 3 UID: 0 PID: 301 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 32.333964][ T301] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 32.334340][ T301] Call Trace:
[ 32.334474][ T301]
[ 32.334566][ T301] dump_stack_lvl+0xb0/0xd0
[ 32.334743][ T301] lockdep_rcu_suspicious+0x1e5/0x270
[ 32.334914][ T301] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 32.335207][ T301] br_get_link_af_size_filtered+0x5f4/0x7f0 [bridge]
[ 32.335455][ T301] br_info_notify+0xe6/0x280 [bridge]
[ 32.335676][ T301] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.335920][ T301] br_add_if+0xd90/0x1330 [bridge]
[ 32.336145][ T301] ? rtnl_is_locked+0x15/0x20
[ 32.336331][ T301] ? netdev_master_upper_dev_get+0x13/0x120
[ 32.336544][ T301] do_setlink+0x84b/0x21e0
[ 32.336730][ T301] ? is_bpf_text_address+0x67/0x120
[ 32.336926][ T301] ? __pfx_do_setlink+0x10/0x10
[ 32.337115][ T301] ? is_bpf_text_address+0x71/0x120
[ 32.337294][ T301] ? kernel_text_address+0xce/0xe0
[ 32.337476][ T301] ? __kernel_text_address+0x12/0x40
[ 32.337660][ T301] ? unwind_get_return_address+0x5e/0xa0
[ 32.337842][ T301] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 32.338076][ T301] ? arch_stack_walk+0xa2/0xf0
[ 32.338273][ T301] ? stack_trace_save+0x94/0xd0
[ 32.338446][ T301] ? __pfx_stack_trace_save+0x10/0x10
[ 32.338629][ T301] ? __pfx_validate_nla+0x10/0x10
[ 32.338806][ T301] ? mark_lock+0x38/0x3e0
[ 32.338963][ T301] ? kasan_save_stack+0x34/0x50
[ 32.339141][ T301] ? __nla_validate_parse+0x1bc/0x3d0
[ 32.339330][ T301] __rtnl_newlink+0xaa7/0xd80
[ 32.339522][ T301] ? hlock_class+0x4e/0x130
[ 32.339692][ T301] ? __pfx___rtnl_newlink+0x10/0x10
[ 32.339893][ T301] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.340106][ T301] ? __create_object+0x5e/0xb0
[ 32.340294][ T301] ? trace_kmalloc+0x2d/0xe0
[ 32.340493][ T301] rtnl_newlink+0x63/0xa0
[ 32.340625][ T301] rtnetlink_rcv_msg+0x2fb/0xc10
[ 32.340821][ T301] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.341058][ T301] ? hlock_class+0x4e/0x130
[ 32.341254][ T301] ? mark_lock+0x38/0x3e0
[ 32.341389][ T301] ? __lock_acquire+0xb35/0x1560
[ 32.341588][ T301] netlink_rcv_skb+0x130/0x360
[ 32.341765][ T301] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.341973][ T301] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 32.342184][ T301] ? netlink_deliver_tap+0x13e/0x340
[ 32.342353][ T301] ? netlink_deliver_tap+0xc3/0x340
[ 32.342543][ T301] netlink_unicast+0x44b/0x710
[ 32.342735][ T301] ? __pfx_netlink_unicast+0x10/0x10
[ 32.342927][ T301] ? find_held_lock+0x2c/0x110
[ 32.343119][ T301] netlink_sendmsg+0x723/0xbe0
[ 32.343297][ T301] ? __pfx_netlink_sendmsg+0x10/0x10
[ 32.343489][ T301] ? __might_fault+0xc3/0x170
[ 32.343668][ T301] ? __import_iovec+0x35d/0x5d0
[ 32.343880][ T301] ____sys_sendmsg+0x7b2/0xa10
[ 32.344057][ T301] ? __pfx_____sys_sendmsg+0x10/0x10
[ 32.344239][ T301] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 32.344460][ T301] ? __pfx_validate_chain+0x10/0x10
[ 32.344643][ T301] ___sys_sendmsg+0xee/0x170
[ 32.344831][ T301] ? __pfx____sys_sendmsg+0x10/0x10
[ 32.345015][ T301] ? find_held_lock+0x2c/0x110
[ 32.345193][ T301] ? __lock_release+0x103/0x460
[ 32.345364][ T301] ? __debug_check_no_obj_freed+0x253/0x520
[ 32.345573][ T301] ? __pfx___lock_release+0x10/0x10
[ 32.345743][ T301] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 32.345931][ T301] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.346143][ T301] ? __fget_light+0x53/0x1e0
[ 32.346322][ T301] __sys_sendmsg+0xcd/0x170
[ 32.346500][ T301] ? __pfx___sys_sendmsg+0x10/0x10
[ 32.346672][ T301] ? __virt_addr_valid+0x230/0x430
[ 32.346876][ T301] do_syscall_64+0xc1/0x1d0
[ 32.347050][ T301] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 32.347261][ T301] RIP: 0033:0x7f3ae2bdd7b7
[ 32.347444][ T301] 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
[ 32.348052][ T301] RSP: 002b:00007ffc932a9458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 32.348305][ T301] RAX: ffffffffffffffda RBX: 00007ffc932a9b80 RCX: 00007f3ae2bdd7b7
[ 32.348560][ T301] RDX: 0000000000000000 RSI: 00007ffc932a94c0 RDI: 0000000000000005
[ 32.348828][ T301] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 32.349130][ T301] R10: 000000001127f910 R11: 0000000000000246 R12: 0000000000000004
[ 32.349400][ T301] R13: 0000000066bea6a2 R14: 0000000000496600 R15: 0000000000000000
[ 32.349670][ T301]
[ 32.350758][ T301]
[ 32.350892][ T301] =============================
[ 32.351090][ T301] WARNING: suspicious RCU usage
[ 32.351261][ T301] 6.11.0-rc2-virtme #1 Not tainted
[ 32.351453][ T301] -----------------------------
[ 32.351651][ T301] net/bridge/br_private.h:453 suspicious rcu_dereference_check() usage!
[ 32.351952][ T301]
[ 32.351952][ T301] other info that might help us debug this:
[ 32.351952][ T301]
[ 32.352296][ T301]
[ 32.352296][ T301] rcu_scheduler_active = 2, debug_locks = 1
[ 32.352544][ T301] 1 lock held by ip/301:
[ 32.352690][ T301] #0: ffffffffac7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 32.353067][ T301]
[ 32.353067][ T301] stack backtrace:
[ 32.353296][ T301] CPU: 3 UID: 0 PID: 301 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 32.353563][ T301] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 32.353969][ T301] Call Trace:
[ 32.354099][ T301]
[ 32.354206][ T301] dump_stack_lvl+0xb0/0xd0
[ 32.354395][ T301] lockdep_rcu_suspicious+0x1e5/0x270
[ 32.354579][ T301] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 32.354849][ T301] br_get_link_af_size_filtered+0x654/0x7f0 [bridge]
[ 32.355099][ T301] br_info_notify+0xe6/0x280 [bridge]
[ 32.355319][ T301] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.355546][ T301] br_add_if+0xd90/0x1330 [bridge]
[ 32.355764][ T301] ? rtnl_is_locked+0x15/0x20
[ 32.355964][ T301] ? netdev_master_upper_dev_get+0x13/0x120
[ 32.356203][ T301] do_setlink+0x84b/0x21e0
[ 32.356378][ T301] ? is_bpf_text_address+0x67/0x120
[ 32.356633][ T301] ? __pfx_do_setlink+0x10/0x10
[ 32.356906][ T301] ? is_bpf_text_address+0x71/0x120
[ 32.357198][ T301] ? kernel_text_address+0xce/0xe0
[ 32.357487][ T301] ? __kernel_text_address+0x12/0x40
[ 32.357772][ T301] ? unwind_get_return_address+0x5e/0xa0
[ 32.358066][ T301] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 32.358434][ T301] ? arch_stack_walk+0xa2/0xf0
[ 32.358719][ T301] ? stack_trace_save+0x94/0xd0
[ 32.358896][ T301] ? __pfx_stack_trace_save+0x10/0x10
[ 32.359158][ T301] ? __pfx_validate_nla+0x10/0x10
[ 32.359392][ T301] ? mark_lock+0x38/0x3e0
[ 32.359524][ T301] ? kasan_save_stack+0x34/0x50
[ 32.359700][ T301] ? __nla_validate_parse+0x1bc/0x3d0
[ 32.359893][ T301] __rtnl_newlink+0xaa7/0xd80
[ 32.360075][ T301] ? hlock_class+0x4e/0x130
[ 32.360247][ T301] ? __pfx___rtnl_newlink+0x10/0x10
[ 32.360421][ T301] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.360634][ T301] ? __create_object+0x5e/0xb0
[ 32.360808][ T301] ? trace_kmalloc+0x2d/0xe0
[ 32.360980][ T301] rtnl_newlink+0x63/0xa0
[ 32.361108][ T301] rtnetlink_rcv_msg+0x2fb/0xc10
[ 32.361289][ T301] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.361469][ T301] ? hlock_class+0x4e/0x130
[ 32.361648][ T301] ? mark_lock+0x38/0x3e0
[ 32.361781][ T301] ? __lock_acquire+0xb35/0x1560
[ 32.361957][ T301] netlink_rcv_skb+0x130/0x360
[ 32.362130][ T301] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.362309][ T301] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 32.362494][ T301] ? netlink_deliver_tap+0x13e/0x340
[ 32.362672][ T301] ? netlink_deliver_tap+0xc3/0x340
[ 32.362844][ T301] netlink_unicast+0x44b/0x710
[ 32.363016][ T301] ? __pfx_netlink_unicast+0x10/0x10
[ 32.363192][ T301] ? find_held_lock+0x2c/0x110
[ 32.363369][ T301] netlink_sendmsg+0x723/0xbe0
[ 32.363542][ T301] ? __pfx_netlink_sendmsg+0x10/0x10
[ 32.363709][ T301] ? __might_fault+0xc3/0x170
[ 32.363889][ T301] ? __import_iovec+0x35d/0x5d0
[ 32.364067][ T301] ____sys_sendmsg+0x7b2/0xa10
[ 32.364250][ T301] ? __pfx_____sys_sendmsg+0x10/0x10
[ 32.364419][ T301] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 32.364634][ T301] ? __pfx_validate_chain+0x10/0x10
[ 32.364822][ T301] ___sys_sendmsg+0xee/0x170
[ 32.364997][ T301] ? __pfx____sys_sendmsg+0x10/0x10
[ 32.365173][ T301] ? find_held_lock+0x2c/0x110
[ 32.365349][ T301] ? __lock_release+0x103/0x460
[ 32.365516][ T301] ? __debug_check_no_obj_freed+0x253/0x520
[ 32.365733][ T301] ? __pfx___lock_release+0x10/0x10
[ 32.365903][ T301] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 32.366081][ T301] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.366291][ T301] ? __fget_light+0x53/0x1e0
[ 32.366470][ T301] __sys_sendmsg+0xcd/0x170
[ 32.366640][ T301] ? __pfx___sys_sendmsg+0x10/0x10
[ 32.366808][ T301] ? __virt_addr_valid+0x230/0x430
[ 32.367005][ T301] do_syscall_64+0xc1/0x1d0
[ 32.367177][ T301] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 32.367387][ T301] RIP: 0033:0x7f3ae2bdd7b7
[ 32.367568][ T301] 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
[ 32.368147][ T301] RSP: 002b:00007ffc932a9458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 32.368594][ T301] RAX: ffffffffffffffda RBX: 00007ffc932a9b80 RCX: 00007f3ae2bdd7b7
[ 32.368849][ T301] RDX: 0000000000000000 RSI: 00007ffc932a94c0 RDI: 0000000000000005
[ 32.369101][ T301] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 32.369448][ T301] R10: 000000001127f910 R11: 0000000000000246 R12: 0000000000000004
[ 32.369698][ T301] R13: 0000000066bea6a2 R14: 0000000000496600 R15: 0000000000000000
[ 32.369972][ T301]
[ 32.370257][ T301]
[ 32.370352][ T301] =============================
[ 32.370523][ T301] WARNING: suspicious RCU usage
[ 32.370697][ T301] 6.11.0-rc2-virtme #1 Not tainted
[ 32.370869][ T301] -----------------------------
[ 32.371160][ T301] net/bridge/br_private.h:1611 suspicious rcu_dereference_check() usage!
[ 32.371423][ T301]
[ 32.371423][ T301] other info that might help us debug this:
[ 32.371423][ T301]
[ 32.371760][ T301]
[ 32.371760][ T301] rcu_scheduler_active = 2, debug_locks = 1
[ 32.372026][ T301] 1 lock held by ip/301:
[ 32.372162][ T301] #0: ffffffffac7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 32.372477][ T301]
[ 32.372477][ T301] stack backtrace:
[ 32.372686][ T301] CPU: 3 UID: 0 PID: 301 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 32.372944][ T301] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 32.373410][ T301] Call Trace:
[ 32.373539][ T301]
[ 32.373628][ T301] dump_stack_lvl+0xb0/0xd0
[ 32.373802][ T301] lockdep_rcu_suspicious+0x1e5/0x270
[ 32.373969][ T301] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 32.374322][ T301] br_get_link_af_size_filtered+0x6ab/0x7f0 [bridge]
[ 32.374567][ T301] br_info_notify+0xe6/0x280 [bridge]
[ 32.374765][ T301] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.375077][ T301] br_add_if+0xd90/0x1330 [bridge]
[ 32.375286][ T301] ? rtnl_is_locked+0x15/0x20
[ 32.375453][ T301] ? netdev_master_upper_dev_get+0x13/0x120
[ 32.375668][ T301] do_setlink+0x84b/0x21e0
[ 32.375842][ T301] ? is_bpf_text_address+0x67/0x120
[ 32.376012][ T301] ? __pfx_do_setlink+0x10/0x10
[ 32.376181][ T301] ? is_bpf_text_address+0x71/0x120
[ 32.376350][ T301] ? kernel_text_address+0xce/0xe0
[ 32.376525][ T301] ? __kernel_text_address+0x12/0x40
[ 32.376788][ T301] ? unwind_get_return_address+0x5e/0xa0
[ 32.376957][ T301] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 32.377174][ T301] ? arch_stack_walk+0xa2/0xf0
[ 32.377363][ T301] ? stack_trace_save+0x94/0xd0
[ 32.377627][ T301] ? __pfx_stack_trace_save+0x10/0x10
[ 32.377798][ T301] ? __pfx_validate_nla+0x10/0x10
[ 32.377971][ T301] ? mark_lock+0x38/0x3e0
[ 32.378105][ T301] ? kasan_save_stack+0x34/0x50
[ 32.378378][ T301] ? __nla_validate_parse+0x1bc/0x3d0
[ 32.378554][ T301] __rtnl_newlink+0xaa7/0xd80
[ 32.378731][ T301] ? hlock_class+0x4e/0x130
[ 32.378910][ T301] ? __pfx___rtnl_newlink+0x10/0x10
[ 32.379180][ T301] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.379393][ T301] ? __create_object+0x5e/0xb0
[ 32.379569][ T301] ? trace_kmalloc+0x2d/0xe0
[ 32.379746][ T301] rtnl_newlink+0x63/0xa0
[ 32.379878][ T301] rtnetlink_rcv_msg+0x2fb/0xc10
[ 32.380154][ T301] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.380329][ T301] ? hlock_class+0x4e/0x130
[ 32.380499][ T301] ? mark_lock+0x38/0x3e0
[ 32.380640][ T301] ? __lock_acquire+0xb35/0x1560
[ 32.380814][ T301] netlink_rcv_skb+0x130/0x360
[ 32.380988][ T301] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.381163][ T301] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 32.381346][ T301] ? netlink_deliver_tap+0x13e/0x340
[ 32.381634][ T301] ? netlink_deliver_tap+0xc3/0x340
[ 32.381808][ T301] netlink_unicast+0x44b/0x710
[ 32.381986][ T301] ? __pfx_netlink_unicast+0x10/0x10
[ 32.382165][ T301] ? find_held_lock+0x2c/0x110
[ 32.382343][ T301] netlink_sendmsg+0x723/0xbe0
[ 32.382612][ T301] ? __pfx_netlink_sendmsg+0x10/0x10
[ 32.382779][ T301] ? __might_fault+0xc3/0x170
[ 32.382956][ T301] ? __import_iovec+0x35d/0x5d0
[ 32.383133][ T301] ____sys_sendmsg+0x7b2/0xa10
[ 32.383403][ T301] ? __pfx_____sys_sendmsg+0x10/0x10
[ 32.383571][ T301] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 32.383799][ T301] ? __pfx_validate_chain+0x10/0x10
[ 32.383979][ T301] ___sys_sendmsg+0xee/0x170
[ 32.384346][ T301] ? __pfx____sys_sendmsg+0x10/0x10
[ 32.384517][ T301] ? find_held_lock+0x2c/0x110
[ 32.384692][ T301] ? __lock_release+0x103/0x460
[ 32.384859][ T301] ? __debug_check_no_obj_freed+0x253/0x520
[ 32.385175][ T301] ? __pfx___lock_release+0x10/0x10
[ 32.385348][ T301] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 32.385528][ T301] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 32.385741][ T301] ? __fget_light+0x53/0x1e0
[ 32.386020][ T301] __sys_sendmsg+0xcd/0x170
[ 32.386194][ T301] ? __pfx___sys_sendmsg+0x10/0x10
[ 32.386369][ T301] ? __virt_addr_valid+0x230/0x430
[ 32.386565][ T301] do_syscall_64+0xc1/0x1d0
[ 32.386743][ T301] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 32.386962][ T301] RIP: 0033:0x7f3ae2bdd7b7
[ 32.387148][ T301] 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
[ 32.387842][ T301] RSP: 002b:00007ffc932a9458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 32.388102][ T301] RAX: ffffffffffffffda RBX: 00007ffc932a9b80 RCX: 00007f3ae2bdd7b7
[ 32.388458][ T301] RDX: 0000000000000000 RSI: 00007ffc932a94c0 RDI: 0000000000000005
[ 32.388718][ T301] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 32.388971][ T301] R10: 000000001127f910 R11: 0000000000000246 R12: 0000000000000004
[ 32.389392][ T301] R13: 0000000066bea6a2 R14: 0000000000496600 R15: 0000000000000000
[ 32.389827][ T301]
[ 32.404747][ T301] ip (301) used greatest stack depth: 24000 bytes left
[ 32.565056][ T38] br1: port 1(veth1) entered blocking state
[ 32.565468][ T38] br1: port 1(veth1) entered forwarding state
[ 42.983228][ T335] veth1: left allmulticast mode
[ 42.983459][ T335] veth1: left promiscuous mode
[ 42.983776][ T335] br1: port 1(veth1) entered disabled state
[ 45.248659][ T337] br1: port 1(veth1) entered blocking state
[ 45.249489][ T337] br1: port 1(veth1) entered disabled state
[ 45.249747][ T337] veth1: entered allmulticast mode
[ 45.251628][ T337] veth1: entered promiscuous mode
[ 45.252414][ T337] br1: port 1(veth1) entered blocking state
[ 45.252645][ T337] br1: port 1(veth1) entered forwarding state
[ 48.319599][ T348]
[ 48.319725][ T348] =============================
[ 48.320427][ T348] WARNING: suspicious RCU usage
[ 48.320601][ T348] 6.11.0-rc2-virtme #1 Not tainted
[ 48.320775][ T348] -----------------------------
[ 48.320951][ T348] net/bridge/br_private.h:1605 suspicious rcu_dereference_check() usage!
[ 48.321198][ T348]
[ 48.321198][ T348] other info that might help us debug this:
[ 48.321198][ T348]
[ 48.321532][ T348]
[ 48.321532][ T348] rcu_scheduler_active = 2, debug_locks = 1
[ 48.321774][ T348] 1 lock held by bridge/348:
[ 48.321953][ T348] #0: ffffffffac7bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 48.322265][ T348]
[ 48.322265][ T348] stack backtrace:
[ 48.322478][ T348] CPU: 0 UID: 0 PID: 348 Comm: bridge Not tainted 6.11.0-rc2-virtme #1
[ 48.322734][ T348] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 48.323111][ T348] Call Trace:
[ 48.323244][ T348]
[ 48.323336][ T348] dump_stack_lvl+0xb0/0xd0
[ 48.323513][ T348] lockdep_rcu_suspicious+0x1e5/0x270
[ 48.323689][ T348] br_get_link_af_size_filtered+0x52b/0x7f0 [bridge]
[ 48.323948][ T348] br_info_notify+0xe6/0x280 [bridge]
[ 48.324156][ T348] br_setlink+0x364/0x500 [bridge]
[ 48.324355][ T348] ? __pfx_br_setlink+0x10/0x10 [bridge]
[ 48.324559][ T348] ? lock_acquire.part.0+0xeb/0x330
[ 48.324725][ T348] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 48.324891][ T348] ? hlock_class+0x4e/0x130
[ 48.325065][ T348] ? __mutex_trylock_common+0xfa/0x260
[ 48.325236][ T348] ? __pfx___mutex_trylock_common+0x10/0x10
[ 48.325447][ T348] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 48.325611][ T348] ? lock_acquire+0x32/0xc0
[ 48.325779][ T348] ? trace_contention_end+0xeb/0x150
[ 48.325948][ T348] ? __mutex_lock+0x170/0xac0
[ 48.326117][ T348] ? find_held_lock+0x2c/0x110
[ 48.326284][ T348] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 48.326454][ T348] ? __pfx___mutex_lock+0x10/0x10
[ 48.326621][ T348] ? __pfx___lock_release+0x10/0x10
[ 48.326790][ T348] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 48.326956][ T348] ? trace_lock_acquire+0x14d/0x1f0
[ 48.327129][ T348] rtnl_bridge_setlink+0x297/0x5b0
[ 48.327298][ T348] rtnetlink_rcv_msg+0x2fb/0xc10
[ 48.327472][ T348] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 48.327636][ T348] ? hlock_class+0x4e/0x130
[ 48.327802][ T348] ? mark_lock+0x38/0x3e0
[ 48.327933][ T348] ? __lock_acquire+0xb35/0x1560
[ 48.328110][ T348] netlink_rcv_skb+0x130/0x360
[ 48.328279][ T348] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 48.328448][ T348] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 48.328630][ T348] ? netlink_deliver_tap+0x13e/0x340
[ 48.328799][ T348] ? netlink_deliver_tap+0xc3/0x340
[ 48.328967][ T348] netlink_unicast+0x44b/0x710
[ 48.329140][ T348] ? __pfx_netlink_unicast+0x10/0x10
[ 48.329312][ T348] ? find_held_lock+0x2c/0x110
[ 48.329485][ T348] netlink_sendmsg+0x723/0xbe0
[ 48.329658][ T348] ? __pfx_netlink_sendmsg+0x10/0x10
[ 48.329822][ T348] ? __might_fault+0xc3/0x170
[ 48.329995][ T348] ? __import_iovec+0x35d/0x5d0
[ 48.330173][ T348] ____sys_sendmsg+0x7b2/0xa10
[ 48.330351][ T348] ? __pfx_____sys_sendmsg+0x10/0x10
[ 48.330516][ T348] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 48.330722][ T348] ? hlock_class+0x4e/0x130
[ 48.330895][ T348] ? validate_chain+0x130/0x9b0
[ 48.331069][ T348] ___sys_sendmsg+0xee/0x170
[ 48.331233][ T348] ? __pfx_validate_chain+0x10/0x10
[ 48.331408][ T348] ? __pfx____sys_sendmsg+0x10/0x10
[ 48.331578][ T348] ? __lock_acquire+0xb35/0x1560
[ 48.331761][ T348] ? find_held_lock+0x2c/0x110
[ 48.331931][ T348] ? __lock_release+0x103/0x460
[ 48.332096][ T348] ? __fget_light+0x53/0x1e0
[ 48.332266][ T348] ? trace_lock_acquire+0x14d/0x1f0
[ 48.332441][ T348] __sys_sendmsg+0xcd/0x170
[ 48.332609][ T348] ? __pfx___sys_sendmsg+0x10/0x10
[ 48.332797][ T348] do_syscall_64+0xc1/0x1d0
[ 48.332965][ T348] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 48.333174][ T348] RIP: 0033:0x7f6025f6c7b7
[ 48.333352][ T348] 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
[ 48.333931][ T348] RSP: 002b:00007fff28bac018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 48.334181][ T348] RAX: ffffffffffffffda RBX: 000000000000ffff RCX: 00007f6025f6c7b7
[ 48.334436][ T348] RDX: 0000000000000000 RSI: 00007fff28bac080 RDI: 0000000000000005
[ 48.334709][ T348] RBP: 00007fff28bac170 R08: 0000000000000034 R09: 0000000000000000
[ 48.334980][ T348] R10: 00007f6025e25708 R11: 0000000000000246 R12: 0000000000000001
[ 48.335226][ T348] R13: 0000000066bea6b3 R14: 0000000000423360 R15: 00007fff28bac720
[ 48.335501][ T348]
[ 66.574792][ T372] veth1: left allmulticast mode
[ 66.575022][ T372] veth1: left promiscuous mode
[ 66.575318][ T372] br1: port 1(veth1) entered disabled state
[ 68.991307][ T375] br1: port 1(veth1) entered blocking state
[ 68.991563][ T375] br1: port 1(veth1) entered disabled state
[ 68.991829][ T375] veth1: entered allmulticast mode
[ 68.994364][ T375] veth1: entered promiscuous mode
[ 68.995007][ T375] br1: port 1(veth1) entered blocking state
[ 68.995239][ T375] br1: port 1(veth1) entered forwarding state
[ 73.060317][ T394] br1: port 1(veth1) entered disabled state
[ 73.204513][ T395] veth1: left allmulticast mode
[ 73.204719][ T395] veth1: left promiscuous mode
[ 73.205052][ T395] br1: port 1(veth1) entered disabled state