[  440.813456][   T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  440.868363][   T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  440.931972][   T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  441.882461][   T12] hsr_slave_0: left promiscuous mode
[  441.888196][   T12] hsr_slave_1: left promiscuous mode
[  441.895145][   T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  441.902630][   T12] batman_adv: batadv0: Removing interface: batadv_slave_0
[  441.910615][   T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  441.918067][   T12] batman_adv: batadv0: Removing interface: batadv_slave_1
[  441.926048][   T12] bridge_slave_1: left allmulticast mode
[  441.931711][   T12] bridge_slave_1: left promiscuous mode
[  441.937357][   T12] bridge0: port 2(bridge_slave_1) entered disabled state
[  441.946290][   T12] bridge_slave_0: left allmulticast mode
[  441.951998][   T12] bridge_slave_0: left promiscuous mode
[  441.957642][   T12] bridge0: port 1(bridge_slave_0) entered disabled state
[  442.003334][   T12] veth1_macvtap: left promiscuous mode
[  442.008822][   T12] veth0_macvtap: left promiscuous mode
[  442.014625][   T12] veth1_vlan: left promiscuous mode
[  442.019897][   T12] veth0_vlan: left promiscuous mode
[  446.939157][   T12] team0 (unregistering): Port device team_slave_1 removed
[  446.953828][   T12] team0 (unregistering): Port device team_slave_0 removed
[  446.967281][   T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  446.982181][   T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  447.044067][   T12] bond0 (unregistering): Released all slaves
Warning: Permanently added '10.128.10.22' (ED25519) to the list of known hosts.
[  447.489169][ T7800] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  447.550273][ T7801] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  447.597872][ T7803] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  447.660450][ T7804] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  447.716791][ T7805] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  447.781123][ T7807] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  447.841924][ T7808] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  447.911271][ T7810] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  447.976326][ T7812] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  448.053941][ T7814] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  451.057256][ T7910] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  451.066855][ T7910] CPU: 1 PID: 7910 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  451.077261][ T7910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  451.087304][ T7910] Call Trace:
[  451.090568][ T7910]  <TASK>
[  451.093493][ T7910]  dump_stack_lvl+0x125/0x1b0
[  451.098161][ T7910]  sysfs_warn_dup+0x7f/0xa0
[  451.102651][ T7910]  sysfs_create_dir_ns+0x249/0x2b0
[  451.107748][ T7910]  ? sysfs_create_mount_point+0xb0/0xb0
[  451.113284][ T7910]  ? spin_bug+0x1d0/0x1d0
[  451.117598][ T7910]  ? net_namespace+0x12/0x40
[  451.122184][ T7910]  ? device_namespace+0x8d/0xc0
[  451.127037][ T7910]  kobject_add_internal+0x2c8/0x970
[  451.132244][ T7910]  kobject_add+0x16f/0x240
[  451.136661][ T7910]  ? kset_create_and_add+0x190/0x190
[  451.141944][ T7910]  ? do_raw_spin_unlock+0x173/0x230
[  451.147136][ T7910]  ? kobject_put+0xbe/0x440
[  451.151646][ T7910]  ? device_add+0xc35/0x1aa0
[  451.156237][ T7910]  device_add+0x289/0x1aa0
[  451.160652][ T7910]  ? device_initialize+0x510/0x510
[  451.165768][ T7910]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  451.172622][ T7910]  ? __init_waitqueue_head+0xca/0x150
[  451.177999][ T7910]  netdev_register_kobject+0x183/0x3f0
[  451.183464][ T7910]  register_netdevice+0xbe6/0x14b0
[  451.188582][ T7910]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  451.194475][ T7910]  ? alloc_netdev_mqs+0xee6/0x1290
[  451.199587][ T7910]  bpq_device_event+0x39e/0xaf0
[  451.204438][ T7910]  ? team_device_event+0x219/0x750
[  451.209547][ T7910]  notifier_call_chain+0xb6/0x3b0
[  451.214577][ T7910]  ? bpq_seq_stop+0xb0/0xb0
[  451.219082][ T7910]  call_netdevice_notifiers_info+0xbe/0x130
[  451.224974][ T7910]  __dev_notify_flags+0x12d/0x2e0
[  451.229998][ T7910]  ? dev_change_name+0x800/0x800
[  451.234937][ T7910]  ? dev_set_allmulti+0x30/0x30
[  451.239782][ T7910]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  451.245673][ T7910]  ? validate_linkmsg+0x6fc/0x9c0
[  451.250698][ T7910]  rtnl_configure_link+0x1b3/0x260
[  451.255805][ T7910]  ? br_dev_newlink+0xd3/0x110
[  451.260568][ T7910]  __rtnl_newlink+0x11a7/0x1930
[  451.265428][ T7910]  ? rtnl_link_unregister+0x260/0x260
[  451.270821][ T7910]  rtnl_newlink+0x67/0xa0
[  451.275180][ T7910]  ? __rtnl_newlink+0x1930/0x1930
[  451.280221][ T7910]  rtnetlink_rcv_msg+0x3c7/0xe00
[  451.285171][ T7910]  ? rtnl_fill_vf+0x4a0/0x4a0
[  451.289877][ T7910]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  451.295870][ T7910]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  451.301864][ T7910]  netlink_rcv_skb+0x16b/0x440
[  451.306635][ T7910]  ? rtnl_fill_vf+0x4a0/0x4a0
[  451.311314][ T7910]  ? netlink_ack+0x1380/0x1380
[  451.316079][ T7910]  ? lock_sync+0x190/0x190
[  451.320504][ T7910]  ? netlink_deliver_tap+0x1a0/0xd00
[  451.325790][ T7910]  ? _copy_from_iter+0x2c1/0x10f0
[  451.330828][ T7910]  netlink_unicast+0x53b/0x810
[  451.335603][ T7910]  ? netlink_attachskb+0x880/0x880
[  451.340715][ T7910]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  451.346607][ T7910]  ? __phys_addr_symbol+0x30/0x70
[  451.351632][ T7910]  ? __check_object_size+0x323/0x730
[  451.356914][ T7910]  netlink_sendmsg+0x93c/0xe40
[  451.361682][ T7910]  ? netlink_unicast+0x810/0x810
[  451.366622][ T7910]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  451.371905][ T7910]  ? netlink_unicast+0x810/0x810
[  451.376845][ T7910]  __sock_sendmsg+0xd5/0x180
[  451.381433][ T7910]  ____sys_sendmsg+0x6ac/0x940
[  451.386200][ T7910]  ? copy_msghdr_from_user+0x10b/0x160
[  451.391660][ T7910]  ? kernel_sendmsg+0x50/0x50
[  451.396336][ T7910]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  451.402411][ T7910]  ___sys_sendmsg+0x135/0x1d0
[  451.407095][ T7910]  ? do_recvmmsg+0x740/0x740
[  451.411688][ T7910]  ? find_held_lock+0x2d/0x110
[  451.416460][ T7910]  ? preempt_count_sub+0x160/0x160
[  451.421573][ T7910]  ? __fget_light+0x1fc/0x260
[  451.426248][ T7910]  __sys_sendmsg+0x117/0x1e0
[  451.430840][ T7910]  ? __sys_sendmsg_sock+0x30/0x30
[  451.435872][ T7910]  ? syscall_enter_from_user_mode+0x7f/0x120
[  451.441855][ T7910]  do_syscall_64+0x40/0x110
[  451.446354][ T7910]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  451.452267][ T7910] RIP: 0033:0x7ff3fd6020b9
[  451.456673][ T7910] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  451.476461][ T7910] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  451.484959][ T7910] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  451.492936][ T7910] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  451.500986][ T7910] RBP: 000000000006e1ab R08: 0000000000000000 R09: 0000000000000006
[  451.508950][ T7910] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  451.516916][ T7910] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  451.524899][ T7910]  </TASK>
[  451.531629][ T7910] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  451.547516][ T7910] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  451.556991][ T7910] CPU: 0 PID: 7910 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  451.567394][ T7910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  451.577443][ T7910] Call Trace:
[  451.580715][ T7910]  <TASK>
[  451.583636][ T7910]  dump_stack_lvl+0x125/0x1b0
[  451.588323][ T7910]  sysfs_warn_dup+0x7f/0xa0
[  451.592837][ T7910]  sysfs_create_dir_ns+0x249/0x2b0
[  451.597961][ T7910]  ? sysfs_create_mount_point+0xb0/0xb0
[  451.603523][ T7910]  ? spin_bug+0x1d0/0x1d0
[  451.607871][ T7910]  ? net_namespace+0x12/0x40
[  451.612468][ T7910]  ? device_namespace+0x8d/0xc0
[  451.617329][ T7910]  kobject_add_internal+0x2c8/0x970
[  451.622528][ T7910]  kobject_add+0x16f/0x240
[  451.626937][ T7910]  ? kset_create_and_add+0x190/0x190
[  451.632213][ T7910]  ? do_raw_spin_unlock+0x173/0x230
[  451.637400][ T7910]  ? kobject_put+0xbe/0x440
[  451.641898][ T7910]  ? device_add+0xc35/0x1aa0
[  451.646483][ T7910]  device_add+0x289/0x1aa0
[  451.650889][ T7910]  ? device_initialize+0x510/0x510
[  451.655988][ T7910]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  451.662832][ T7910]  ? __init_waitqueue_head+0xca/0x150
[  451.668211][ T7910]  netdev_register_kobject+0x183/0x3f0
[  451.673674][ T7910]  register_netdevice+0xbe6/0x14b0
[  451.678805][ T7910]  ? lockdep_hardirqs_on+0x7d/0x110
[  451.684007][ T7910]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  451.689899][ T7910]  ? lapbeth_setup+0x170/0x170
[  451.694688][ T7910]  lapbeth_device_event+0x5b8/0xd40
[  451.699891][ T7910]  notifier_call_chain+0xb6/0x3b0
[  451.704914][ T7910]  ? lapbeth_xmit+0x290/0x290
[  451.709593][ T7910]  call_netdevice_notifiers_info+0xbe/0x130
[  451.715483][ T7910]  __dev_notify_flags+0x12d/0x2e0
[  451.720513][ T7910]  ? dev_change_name+0x800/0x800
[  451.725451][ T7910]  ? dev_set_allmulti+0x30/0x30
[  451.730297][ T7910]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  451.736192][ T7910]  ? validate_linkmsg+0x6fc/0x9c0
[  451.741216][ T7910]  rtnl_configure_link+0x1b3/0x260
[  451.746322][ T7910]  ? br_dev_newlink+0xd3/0x110
[  451.751086][ T7910]  __rtnl_newlink+0x11a7/0x1930
[  451.755941][ T7910]  ? rtnl_link_unregister+0x260/0x260
[  451.761361][ T7910]  rtnl_newlink+0x67/0xa0
[  451.765713][ T7910]  ? __rtnl_newlink+0x1930/0x1930
[  451.770748][ T7910]  rtnetlink_rcv_msg+0x3c7/0xe00
[  451.775693][ T7910]  ? rtnl_fill_vf+0x4a0/0x4a0
[  451.780368][ T7910]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  451.786357][ T7910]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  451.792365][ T7910]  netlink_rcv_skb+0x16b/0x440
[  451.797137][ T7910]  ? rtnl_fill_vf+0x4a0/0x4a0
[  451.801840][ T7910]  ? netlink_ack+0x1380/0x1380
[  451.806867][ T7910]  ? lock_sync+0x190/0x190
[  451.811296][ T7910]  ? netlink_deliver_tap+0x1a0/0xd00
[  451.816596][ T7910]  ? _copy_from_iter+0x2c1/0x10f0
[  451.821632][ T7910]  netlink_unicast+0x53b/0x810
[  451.826416][ T7910]  ? netlink_attachskb+0x880/0x880
[  451.831527][ T7910]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  451.837419][ T7910]  ? __phys_addr_symbol+0x30/0x70
[  451.842440][ T7910]  ? __check_object_size+0x323/0x730
[  451.847724][ T7910]  netlink_sendmsg+0x93c/0xe40
[  451.852496][ T7910]  ? netlink_unicast+0x810/0x810
[  451.857437][ T7910]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  451.862721][ T7910]  ? netlink_unicast+0x810/0x810
[  451.867667][ T7910]  __sock_sendmsg+0xd5/0x180
[  451.872255][ T7910]  ____sys_sendmsg+0x6ac/0x940
[  451.877016][ T7910]  ? copy_msghdr_from_user+0x10b/0x160
[  451.882477][ T7910]  ? kernel_sendmsg+0x50/0x50
[  451.887159][ T7910]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  451.893145][ T7910]  ___sys_sendmsg+0x135/0x1d0
[  451.897824][ T7910]  ? do_recvmmsg+0x740/0x740
[  451.902412][ T7910]  ? find_held_lock+0x2d/0x110
[  451.907186][ T7910]  ? preempt_count_sub+0x160/0x160
[  451.912300][ T7910]  ? __fget_light+0x1fc/0x260
[  451.916981][ T7910]  __sys_sendmsg+0x117/0x1e0
[  451.921572][ T7910]  ? __sys_sendmsg_sock+0x30/0x30
[  451.926604][ T7910]  ? syscall_enter_from_user_mode+0x7f/0x120
[  451.932592][ T7910]  do_syscall_64+0x40/0x110
[  451.937096][ T7910]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  451.942988][ T7910] RIP: 0033:0x7ff3fd6020b9
[  451.947393][ T7910] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  451.966998][ T7910] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  451.975440][ T7910] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  451.983409][ T7910] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  451.991376][ T7910] RBP: 000000000006e1ab R08: 0000000000000000 R09: 0000000000000006
[  451.999338][ T7910] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  452.007303][ T7910] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  452.015282][ T7910]  </TASK>
[  452.020413][ T7910] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  452.067437][ T7911] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  452.077375][ T7911] CPU: 1 PID: 7911 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  452.087800][ T7911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  452.097849][ T7911] Call Trace:
[  452.101130][ T7911]  <TASK>
[  452.104070][ T7911]  dump_stack_lvl+0x125/0x1b0
[  452.108751][ T7911]  sysfs_warn_dup+0x7f/0xa0
[  452.113257][ T7911]  sysfs_create_dir_ns+0x249/0x2b0
[  452.118390][ T7911]  ? sysfs_create_mount_point+0xb0/0xb0
[  452.123938][ T7911]  ? spin_bug+0x1d0/0x1d0
[  452.128260][ T7911]  ? net_namespace+0x12/0x40
[  452.132843][ T7911]  ? device_namespace+0x8d/0xc0
[  452.137690][ T7911]  kobject_add_internal+0x2c8/0x970
[  452.142894][ T7911]  kobject_add+0x16f/0x240
[  452.147319][ T7911]  ? kset_create_and_add+0x190/0x190
[  452.152605][ T7911]  ? do_raw_spin_unlock+0x173/0x230
[  452.157799][ T7911]  ? kobject_put+0xbe/0x440
[  452.162339][ T7911]  ? device_add+0xc35/0x1aa0
[  452.166930][ T7911]  device_add+0x289/0x1aa0
[  452.171345][ T7911]  ? device_initialize+0x510/0x510
[  452.176453][ T7911]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  452.183304][ T7911]  ? __init_waitqueue_head+0xca/0x150
[  452.188682][ T7911]  netdev_register_kobject+0x183/0x3f0
[  452.194146][ T7911]  register_netdevice+0xbe6/0x14b0
[  452.199258][ T7911]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  452.205151][ T7911]  ? alloc_netdev_mqs+0xee6/0x1290
[  452.210263][ T7911]  bpq_device_event+0x39e/0xaf0
[  452.215117][ T7911]  ? team_device_event+0x219/0x750
[  452.220255][ T7911]  notifier_call_chain+0xb6/0x3b0
[  452.225308][ T7911]  ? bpq_seq_stop+0xb0/0xb0
[  452.229816][ T7911]  call_netdevice_notifiers_info+0xbe/0x130
[  452.235740][ T7911]  __dev_notify_flags+0x12d/0x2e0
[  452.240788][ T7911]  ? dev_change_name+0x800/0x800
[  452.245737][ T7911]  ? dev_set_allmulti+0x30/0x30
[  452.250589][ T7911]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  452.256485][ T7911]  ? validate_linkmsg+0x6fc/0x9c0
[  452.261512][ T7911]  rtnl_configure_link+0x1b3/0x260
[  452.266621][ T7911]  ? br_dev_newlink+0xd3/0x110
[  452.271383][ T7911]  __rtnl_newlink+0x11a7/0x1930
[  452.276265][ T7911]  ? rtnl_link_unregister+0x260/0x260
[  452.281656][ T7911]  rtnl_newlink+0x67/0xa0
[  452.285987][ T7911]  ? __rtnl_newlink+0x1930/0x1930
[  452.291012][ T7911]  rtnetlink_rcv_msg+0x3c7/0xe00
[  452.295962][ T7911]  ? rtnl_fill_vf+0x4a0/0x4a0
[  452.300642][ T7911]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  452.306634][ T7911]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  452.312622][ T7911]  netlink_rcv_skb+0x16b/0x440
[  452.317397][ T7911]  ? rtnl_fill_vf+0x4a0/0x4a0
[  452.322077][ T7911]  ? netlink_ack+0x1380/0x1380
[  452.326843][ T7911]  ? lock_sync+0x190/0x190
[  452.331273][ T7911]  ? netlink_deliver_tap+0x1a0/0xd00
[  452.336562][ T7911]  ? _copy_from_iter+0x2c1/0x10f0
[  452.341592][ T7911]  netlink_unicast+0x53b/0x810
[  452.346363][ T7911]  ? netlink_attachskb+0x880/0x880
[  452.351491][ T7911]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  452.357386][ T7911]  ? __phys_addr_symbol+0x30/0x70
[  452.362410][ T7911]  ? __check_object_size+0x323/0x730
[  452.367697][ T7911]  netlink_sendmsg+0x93c/0xe40
[  452.372469][ T7911]  ? netlink_unicast+0x810/0x810
[  452.377409][ T7911]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  452.382693][ T7911]  ? netlink_unicast+0x810/0x810
[  452.387632][ T7911]  __sock_sendmsg+0xd5/0x180
[  452.392306][ T7911]  ____sys_sendmsg+0x6ac/0x940
[  452.397067][ T7911]  ? copy_msghdr_from_user+0x10b/0x160
[  452.402615][ T7911]  ? kernel_sendmsg+0x50/0x50
[  452.407296][ T7911]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  452.413284][ T7911]  ___sys_sendmsg+0x135/0x1d0
[  452.417961][ T7911]  ? do_recvmmsg+0x740/0x740
[  452.422547][ T7911]  ? find_held_lock+0x2d/0x110
[  452.427316][ T7911]  ? preempt_count_sub+0x160/0x160
[  452.432430][ T7911]  ? __fget_light+0x1fc/0x260
[  452.437101][ T7911]  __sys_sendmsg+0x117/0x1e0
[  452.441726][ T7911]  ? __sys_sendmsg_sock+0x30/0x30
[  452.446763][ T7911]  ? syscall_enter_from_user_mode+0x7f/0x120
[  452.452750][ T7911]  do_syscall_64+0x40/0x110
[  452.457250][ T7911]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  452.463140][ T7911] RIP: 0033:0x7ff3fd6020b9
[  452.467551][ T7911] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  452.487153][ T7911] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  452.495559][ T7911] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  452.503525][ T7911] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  452.511489][ T7911] RBP: 000000000006e1d2 R08: 0000000000000000 R09: 0000000000000006
[  452.519453][ T7911] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  452.527415][ T7911] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  452.535389][ T7911]  </TASK>
[  452.540279][ T7911] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  452.556624][ T7911] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  452.565770][ T7911] CPU: 0 PID: 7911 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  452.576187][ T7911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  452.586250][ T7911] Call Trace:
[  452.589516][ T7911]  <TASK>
[  452.592440][ T7911]  dump_stack_lvl+0x125/0x1b0
[  452.597115][ T7911]  sysfs_warn_dup+0x7f/0xa0
[  452.601637][ T7911]  sysfs_create_dir_ns+0x249/0x2b0
[  452.606740][ T7911]  ? sysfs_create_mount_point+0xb0/0xb0
[  452.612272][ T7911]  ? spin_bug+0x1d0/0x1d0
[  452.616594][ T7911]  ? net_namespace+0x12/0x40
[  452.621178][ T7911]  ? device_namespace+0x8d/0xc0
[  452.626024][ T7911]  kobject_add_internal+0x2c8/0x970
[  452.631226][ T7911]  kobject_add+0x16f/0x240
[  452.635633][ T7911]  ? kset_create_and_add+0x190/0x190
[  452.640911][ T7911]  ? do_raw_spin_unlock+0x173/0x230
[  452.646095][ T7911]  ? kobject_put+0xbe/0x440
[  452.650586][ T7911]  ? device_add+0xc35/0x1aa0
[  452.655168][ T7911]  device_add+0x289/0x1aa0
[  452.659578][ T7911]  ? device_initialize+0x510/0x510
[  452.664677][ T7911]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  452.671549][ T7911]  ? __init_waitqueue_head+0xca/0x150
[  452.676957][ T7911]  netdev_register_kobject+0x183/0x3f0
[  452.682411][ T7911]  register_netdevice+0xbe6/0x14b0
[  452.687520][ T7911]  ? lockdep_hardirqs_on+0x7d/0x110
[  452.692713][ T7911]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  452.698600][ T7911]  ? lapbeth_setup+0x170/0x170
[  452.703362][ T7911]  lapbeth_device_event+0x5b8/0xd40
[  452.708558][ T7911]  notifier_call_chain+0xb6/0x3b0
[  452.713578][ T7911]  ? lapbeth_xmit+0x290/0x290
[  452.718249][ T7911]  call_netdevice_notifiers_info+0xbe/0x130
[  452.724139][ T7911]  __dev_notify_flags+0x12d/0x2e0
[  452.729168][ T7911]  ? dev_change_name+0x800/0x800
[  452.734109][ T7911]  ? dev_set_allmulti+0x30/0x30
[  452.738947][ T7911]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  452.744832][ T7911]  ? validate_linkmsg+0x6fc/0x9c0
[  452.749847][ T7911]  rtnl_configure_link+0x1b3/0x260
[  452.754949][ T7911]  ? br_dev_newlink+0xd3/0x110
[  452.759704][ T7911]  __rtnl_newlink+0x11a7/0x1930
[  452.764574][ T7911]  ? rtnl_link_unregister+0x260/0x260
[  452.769951][ T7911]  rtnl_newlink+0x67/0xa0
[  452.774274][ T7911]  ? __rtnl_newlink+0x1930/0x1930
[  452.779288][ T7911]  rtnetlink_rcv_msg+0x3c7/0xe00
[  452.784220][ T7911]  ? rtnl_fill_vf+0x4a0/0x4a0
[  452.788895][ T7911]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  452.794868][ T7911]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  452.800843][ T7911]  netlink_rcv_skb+0x16b/0x440
[  452.805603][ T7911]  ? rtnl_fill_vf+0x4a0/0x4a0
[  452.810269][ T7911]  ? netlink_ack+0x1380/0x1380
[  452.815025][ T7911]  ? lock_sync+0x190/0x190
[  452.819447][ T7911]  ? netlink_deliver_tap+0x1a0/0xd00
[  452.824727][ T7911]  ? _copy_from_iter+0x2c1/0x10f0
[  452.829745][ T7911]  netlink_unicast+0x53b/0x810
[  452.834505][ T7911]  ? netlink_attachskb+0x880/0x880
[  452.839620][ T7911]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  452.845509][ T7911]  ? __phys_addr_symbol+0x30/0x70
[  452.850524][ T7911]  ? __check_object_size+0x323/0x730
[  452.855804][ T7911]  netlink_sendmsg+0x93c/0xe40
[  452.860588][ T7911]  ? netlink_unicast+0x810/0x810
[  452.865539][ T7911]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  452.870839][ T7911]  ? netlink_unicast+0x810/0x810
[  452.875804][ T7911]  __sock_sendmsg+0xd5/0x180
[  452.880389][ T7911]  ____sys_sendmsg+0x6ac/0x940
[  452.885169][ T7911]  ? copy_msghdr_from_user+0x10b/0x160
[  452.890652][ T7911]  ? kernel_sendmsg+0x50/0x50
[  452.895368][ T7911]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  452.901348][ T7911]  ___sys_sendmsg+0x135/0x1d0
[  452.906025][ T7911]  ? do_recvmmsg+0x740/0x740
[  452.910615][ T7911]  ? find_held_lock+0x2d/0x110
[  452.915386][ T7911]  ? preempt_count_sub+0x160/0x160
[  452.920501][ T7911]  ? __fget_light+0x1fc/0x260
[  452.925184][ T7911]  __sys_sendmsg+0x117/0x1e0
[  452.929775][ T7911]  ? __sys_sendmsg_sock+0x30/0x30
[  452.934805][ T7911]  ? syscall_enter_from_user_mode+0x7f/0x120
[  452.940788][ T7911]  do_syscall_64+0x40/0x110
[  452.945290][ T7911]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  452.951182][ T7911] RIP: 0033:0x7ff3fd6020b9
[  452.955589][ T7911] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  452.975203][ T7911] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  452.983614][ T7911] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  452.991582][ T7911] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  452.999552][ T7911] RBP: 000000000006e1d2 R08: 0000000000000000 R09: 0000000000000006
[  453.007547][ T7911] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  453.015513][ T7911] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  453.023511][ T7911]  </TASK>
[  453.029259][ T7911] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  453.055224][ T7912] __nla_validate_parse: 83 callbacks suppressed
[  453.055240][ T7912] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  453.078036][ T7912] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  453.088998][ T7912] CPU: 1 PID: 7912 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  453.099446][ T7912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  453.109523][ T7912] Call Trace:
[  453.112809][ T7912]  <TASK>
[  453.115746][ T7912]  dump_stack_lvl+0x125/0x1b0
[  453.120418][ T7912]  sysfs_warn_dup+0x7f/0xa0
[  453.124920][ T7912]  sysfs_create_dir_ns+0x249/0x2b0
[  453.130024][ T7912]  ? sysfs_create_mount_point+0xb0/0xb0
[  453.135562][ T7912]  ? spin_bug+0x1d0/0x1d0
[  453.139881][ T7912]  ? net_namespace+0x12/0x40
[  453.144464][ T7912]  ? device_namespace+0x8d/0xc0
[  453.149312][ T7912]  kobject_add_internal+0x2c8/0x970
[  453.154507][ T7912]  kobject_add+0x16f/0x240
[  453.158921][ T7912]  ? kset_create_and_add+0x190/0x190
[  453.164286][ T7912]  ? do_raw_spin_unlock+0x173/0x230
[  453.169484][ T7912]  ? kobject_put+0xbe/0x440
[  453.173999][ T7912]  ? device_add+0xc35/0x1aa0
[  453.178582][ T7912]  device_add+0x289/0x1aa0
[  453.182990][ T7912]  ? device_initialize+0x510/0x510
[  453.188105][ T7912]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  453.194960][ T7912]  ? __init_waitqueue_head+0xca/0x150
[  453.200434][ T7912]  netdev_register_kobject+0x183/0x3f0
[  453.206264][ T7912]  register_netdevice+0xbe6/0x14b0
[  453.211406][ T7912]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  453.217294][ T7912]  ? alloc_netdev_mqs+0xee6/0x1290
[  453.222392][ T7912]  bpq_device_event+0x39e/0xaf0
[  453.227249][ T7912]  ? team_device_event+0x219/0x750
[  453.232344][ T7912]  notifier_call_chain+0xb6/0x3b0
[  453.237376][ T7912]  ? bpq_seq_stop+0xb0/0xb0
[  453.241986][ T7912]  call_netdevice_notifiers_info+0xbe/0x130
[  453.247869][ T7912]  __dev_notify_flags+0x12d/0x2e0
[  453.252902][ T7912]  ? dev_change_name+0x800/0x800
[  453.257848][ T7912]  ? dev_set_allmulti+0x30/0x30
[  453.262686][ T7912]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  453.268569][ T7912]  ? validate_linkmsg+0x6fc/0x9c0
[  453.273585][ T7912]  rtnl_configure_link+0x1b3/0x260
[  453.278687][ T7912]  ? br_dev_newlink+0xd3/0x110
[  453.283440][ T7912]  __rtnl_newlink+0x11a7/0x1930
[  453.288282][ T7912]  ? rtnl_link_unregister+0x260/0x260
[  453.294107][ T7912]  rtnl_newlink+0x67/0xa0
[  453.298428][ T7912]  ? __rtnl_newlink+0x1930/0x1930
[  453.303468][ T7912]  rtnetlink_rcv_msg+0x3c7/0xe00
[  453.308397][ T7912]  ? rtnl_fill_vf+0x4a0/0x4a0
[  453.313060][ T7912]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  453.319032][ T7912]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  453.325006][ T7912]  netlink_rcv_skb+0x16b/0x440
[  453.329762][ T7912]  ? rtnl_fill_vf+0x4a0/0x4a0
[  453.334429][ T7912]  ? netlink_ack+0x1380/0x1380
[  453.339203][ T7912]  ? lock_sync+0x190/0x190
[  453.343637][ T7912]  ? netlink_deliver_tap+0x1a0/0xd00
[  453.348913][ T7912]  ? _copy_from_iter+0x2c1/0x10f0
[  453.353932][ T7912]  netlink_unicast+0x53b/0x810
[  453.358688][ T7912]  ? netlink_attachskb+0x880/0x880
[  453.363786][ T7912]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  453.369669][ T7912]  ? __phys_addr_symbol+0x30/0x70
[  453.374694][ T7912]  ? __check_object_size+0x323/0x730
[  453.379967][ T7912]  netlink_sendmsg+0x93c/0xe40
[  453.384723][ T7912]  ? netlink_unicast+0x810/0x810
[  453.389650][ T7912]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  453.394921][ T7912]  ? netlink_unicast+0x810/0x810
[  453.399862][ T7912]  __sock_sendmsg+0xd5/0x180
[  453.404440][ T7912]  ____sys_sendmsg+0x6ac/0x940
[  453.409193][ T7912]  ? copy_msghdr_from_user+0x10b/0x160
[  453.414656][ T7912]  ? kernel_sendmsg+0x50/0x50
[  453.419323][ T7912]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  453.425293][ T7912]  ___sys_sendmsg+0x135/0x1d0
[  453.429977][ T7912]  ? do_recvmmsg+0x740/0x740
[  453.434581][ T7912]  ? find_held_lock+0x2d/0x110
[  453.439369][ T7912]  ? preempt_count_sub+0x160/0x160
[  453.444475][ T7912]  ? __fget_light+0x1fc/0x260
[  453.449162][ T7912]  __sys_sendmsg+0x117/0x1e0
[  453.453759][ T7912]  ? __sys_sendmsg_sock+0x30/0x30
[  453.458788][ T7912]  ? syscall_enter_from_user_mode+0x7f/0x120
[  453.464765][ T7912]  do_syscall_64+0x40/0x110
[  453.469259][ T7912]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  453.475147][ T7912] RIP: 0033:0x7ff3fd6020b9
[  453.479548][ T7912] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  453.500113][ T7912] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  453.508509][ T7912] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  453.516467][ T7912] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  453.524435][ T7912] RBP: 000000000006e5c1 R08: 0000000000000000 R09: 0000000000000006
[  453.532410][ T7912] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  453.540365][ T7912] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  453.548347][ T7912]  </TASK>
[  453.556502][ T7912] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  453.572245][ T7912] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  453.581665][ T7912] CPU: 0 PID: 7912 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  453.592099][ T7912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  453.602155][ T7912] Call Trace:
[  453.605427][ T7912]  <TASK>
[  453.608351][ T7912]  dump_stack_lvl+0x125/0x1b0
[  453.613034][ T7912]  sysfs_warn_dup+0x7f/0xa0
[  453.617539][ T7912]  sysfs_create_dir_ns+0x249/0x2b0
[  453.622653][ T7912]  ? sysfs_create_mount_point+0xb0/0xb0
[  453.628201][ T7912]  ? spin_bug+0x1d0/0x1d0
[  453.632536][ T7912]  ? net_namespace+0x12/0x40
[  453.637130][ T7912]  ? device_namespace+0x8d/0xc0
[  453.641973][ T7912]  kobject_add_internal+0x2c8/0x970
[  453.647179][ T7912]  kobject_add+0x16f/0x240
[  453.651627][ T7912]  ? kset_create_and_add+0x190/0x190
[  453.656936][ T7912]  ? do_raw_spin_unlock+0x173/0x230
[  453.662147][ T7912]  ? kobject_put+0xbe/0x440
[  453.666640][ T7912]  ? device_add+0xc35/0x1aa0
[  453.671222][ T7912]  device_add+0x289/0x1aa0
[  453.675628][ T7912]  ? device_initialize+0x510/0x510
[  453.680729][ T7912]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  453.687574][ T7912]  ? __init_waitqueue_head+0xca/0x150
[  453.692951][ T7912]  netdev_register_kobject+0x183/0x3f0
[  453.698419][ T7912]  register_netdevice+0xbe6/0x14b0
[  453.703559][ T7912]  ? lockdep_hardirqs_on+0x7d/0x110
[  453.708770][ T7912]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  453.714664][ T7912]  ? lapbeth_setup+0x170/0x170
[  453.719437][ T7912]  lapbeth_device_event+0x5b8/0xd40
[  453.724666][ T7912]  notifier_call_chain+0xb6/0x3b0
[  453.729692][ T7912]  ? lapbeth_xmit+0x290/0x290
[  453.734371][ T7912]  call_netdevice_notifiers_info+0xbe/0x130
[  453.740265][ T7912]  __dev_notify_flags+0x12d/0x2e0
[  453.745375][ T7912]  ? dev_change_name+0x800/0x800
[  453.750320][ T7912]  ? dev_set_allmulti+0x30/0x30
[  453.755169][ T7912]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  453.761060][ T7912]  ? validate_linkmsg+0x6fc/0x9c0
[  453.766081][ T7912]  rtnl_configure_link+0x1b3/0x260
[  453.771195][ T7912]  ? br_dev_newlink+0xd3/0x110
[  453.775959][ T7912]  __rtnl_newlink+0x11a7/0x1930
[  453.780822][ T7912]  ? rtnl_link_unregister+0x260/0x260
[  453.786209][ T7912]  rtnl_newlink+0x67/0xa0
[  453.790535][ T7912]  ? __rtnl_newlink+0x1930/0x1930
[  453.795641][ T7912]  rtnetlink_rcv_msg+0x3c7/0xe00
[  453.800573][ T7912]  ? rtnl_fill_vf+0x4a0/0x4a0
[  453.805244][ T7912]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  453.811261][ T7912]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  453.817249][ T7912]  netlink_rcv_skb+0x16b/0x440
[  453.822019][ T7912]  ? rtnl_fill_vf+0x4a0/0x4a0
[  453.826794][ T7912]  ? netlink_ack+0x1380/0x1380
[  453.831575][ T7912]  ? lock_sync+0x190/0x190
[  453.836006][ T7912]  ? netlink_deliver_tap+0x1a0/0xd00
[  453.841380][ T7912]  ? _copy_from_iter+0x2c1/0x10f0
[  453.846422][ T7912]  netlink_unicast+0x53b/0x810
[  453.851191][ T7912]  ? netlink_attachskb+0x880/0x880
[  453.856298][ T7912]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  453.862189][ T7912]  ? __phys_addr_symbol+0x30/0x70
[  453.867211][ T7912]  ? __check_object_size+0x323/0x730
[  453.872495][ T7912]  netlink_sendmsg+0x93c/0xe40
[  453.877263][ T7912]  ? netlink_unicast+0x810/0x810
[  453.882213][ T7912]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  453.887496][ T7912]  ? netlink_unicast+0x810/0x810
[  453.892442][ T7912]  __sock_sendmsg+0xd5/0x180
[  453.897062][ T7912]  ____sys_sendmsg+0x6ac/0x940
[  453.901833][ T7912]  ? copy_msghdr_from_user+0x10b/0x160
[  453.907287][ T7912]  ? kernel_sendmsg+0x50/0x50
[  453.911961][ T7912]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  453.917942][ T7912]  ___sys_sendmsg+0x135/0x1d0
[  453.922616][ T7912]  ? do_recvmmsg+0x740/0x740
[  453.927198][ T7912]  ? find_held_lock+0x2d/0x110
[  453.931970][ T7912]  ? preempt_count_sub+0x160/0x160
[  453.937081][ T7912]  ? __fget_light+0x1fc/0x260
[  453.941774][ T7912]  __sys_sendmsg+0x117/0x1e0
[  453.946364][ T7912]  ? __sys_sendmsg_sock+0x30/0x30
[  453.951407][ T7912]  ? syscall_enter_from_user_mode+0x7f/0x120
[  453.957385][ T7912]  do_syscall_64+0x40/0x110
[  453.961903][ T7912]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  453.967791][ T7912] RIP: 0033:0x7ff3fd6020b9
[  453.972199][ T7912] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  453.991800][ T7912] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  454.000231][ T7912] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  454.008227][ T7912] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  454.016207][ T7912] RBP: 000000000006e5c1 R08: 0000000000000000 R09: 0000000000000006
[  454.024189][ T7912] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  454.032152][ T7912] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  454.042124][ T7912]  </TASK>
[  454.048887][ T7912] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  454.075556][ T7913] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  454.094747][ T7913] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  454.104158][ T7913] CPU: 0 PID: 7913 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  454.114584][ T7913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  454.124630][ T7913] Call Trace:
[  454.127980][ T7913]  <TASK>
[  454.130895][ T7913]  dump_stack_lvl+0x125/0x1b0
[  454.135560][ T7913]  sysfs_warn_dup+0x7f/0xa0
[  454.140135][ T7913]  sysfs_create_dir_ns+0x249/0x2b0
[  454.145230][ T7913]  ? sysfs_create_mount_point+0xb0/0xb0
[  454.150772][ T7913]  ? spin_bug+0x1d0/0x1d0
[  454.155132][ T7913]  ? net_namespace+0x12/0x40
[  454.159716][ T7913]  ? device_namespace+0x8d/0xc0
[  454.164573][ T7913]  kobject_add_internal+0x2c8/0x970
[  454.169810][ T7913]  kobject_add+0x16f/0x240
[  454.174494][ T7913]  ? kset_create_and_add+0x190/0x190
[  454.179793][ T7913]  ? do_raw_spin_unlock+0x173/0x230
[  454.184990][ T7913]  ? kobject_put+0xbe/0x440
[  454.189529][ T7913]  ? device_add+0xc35/0x1aa0
[  454.194123][ T7913]  device_add+0x289/0x1aa0
[  454.198540][ T7913]  ? device_initialize+0x510/0x510
[  454.203646][ T7913]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  454.210500][ T7913]  ? __init_waitqueue_head+0xca/0x150
[  454.215885][ T7913]  netdev_register_kobject+0x183/0x3f0
[  454.221439][ T7913]  register_netdevice+0xbe6/0x14b0
[  454.226575][ T7913]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  454.232469][ T7913]  ? alloc_netdev_mqs+0xee6/0x1290
[  454.237577][ T7913]  bpq_device_event+0x39e/0xaf0
[  454.242513][ T7913]  ? team_device_event+0x219/0x750
[  454.247629][ T7913]  notifier_call_chain+0xb6/0x3b0
[  454.252652][ T7913]  ? bpq_seq_stop+0xb0/0xb0
[  454.257157][ T7913]  call_netdevice_notifiers_info+0xbe/0x130
[  454.263044][ T7913]  __dev_notify_flags+0x12d/0x2e0
[  454.268081][ T7913]  ? dev_change_name+0x800/0x800
[  454.273017][ T7913]  ? dev_set_allmulti+0x30/0x30
[  454.277861][ T7913]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  454.283783][ T7913]  ? validate_linkmsg+0x6fc/0x9c0
[  454.288827][ T7913]  rtnl_configure_link+0x1b3/0x260
[  454.293953][ T7913]  ? br_dev_newlink+0xd3/0x110
[  454.298721][ T7913]  __rtnl_newlink+0x11a7/0x1930
[  454.303604][ T7913]  ? rtnl_link_unregister+0x260/0x260
[  454.308996][ T7913]  rtnl_newlink+0x67/0xa0
[  454.313327][ T7913]  ? __rtnl_newlink+0x1930/0x1930
[  454.318350][ T7913]  rtnetlink_rcv_msg+0x3c7/0xe00
[  454.323327][ T7913]  ? rtnl_fill_vf+0x4a0/0x4a0
[  454.328030][ T7913]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  454.334034][ T7913]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  454.340023][ T7913]  netlink_rcv_skb+0x16b/0x440
[  454.344793][ T7913]  ? rtnl_fill_vf+0x4a0/0x4a0
[  454.349471][ T7913]  ? netlink_ack+0x1380/0x1380
[  454.354236][ T7913]  ? lock_sync+0x190/0x190
[  454.358690][ T7913]  ? netlink_deliver_tap+0x1a0/0xd00
[  454.363975][ T7913]  ? _copy_from_iter+0x2c1/0x10f0
[  454.369002][ T7913]  netlink_unicast+0x53b/0x810
[  454.373799][ T7913]  ? netlink_attachskb+0x880/0x880
[  454.378924][ T7913]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  454.384823][ T7913]  ? __phys_addr_symbol+0x30/0x70
[  454.389844][ T7913]  ? __check_object_size+0x323/0x730
[  454.395128][ T7913]  netlink_sendmsg+0x93c/0xe40
[  454.399900][ T7913]  ? netlink_unicast+0x810/0x810
[  454.404851][ T7913]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  454.410137][ T7913]  ? netlink_unicast+0x810/0x810
[  454.415083][ T7913]  __sock_sendmsg+0xd5/0x180
[  454.419671][ T7913]  ____sys_sendmsg+0x6ac/0x940
[  454.424464][ T7913]  ? copy_msghdr_from_user+0x10b/0x160
[  454.429921][ T7913]  ? kernel_sendmsg+0x50/0x50
[  454.434601][ T7913]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  454.441019][ T7913]  ___sys_sendmsg+0x135/0x1d0
[  454.445700][ T7913]  ? do_recvmmsg+0x740/0x740
[  454.450288][ T7913]  ? find_held_lock+0x2d/0x110
[  454.455061][ T7913]  ? preempt_count_sub+0x160/0x160
[  454.460174][ T7913]  ? __fget_light+0x1fc/0x260
[  454.464867][ T7913]  __sys_sendmsg+0x117/0x1e0
[  454.469456][ T7913]  ? __sys_sendmsg_sock+0x30/0x30
[  454.474485][ T7913]  ? syscall_enter_from_user_mode+0x7f/0x120
[  454.480463][ T7913]  do_syscall_64+0x40/0x110
[  454.484981][ T7913]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  454.490873][ T7913] RIP: 0033:0x7ff3fd6020b9
[  454.495276][ T7913] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  454.516376][ T7913] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  454.524807][ T7913] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  454.532856][ T7913] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  454.540826][ T7913] RBP: 000000000006e9a8 R08: 0000000000000000 R09: 0000000000000006
[  454.548783][ T7913] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  454.556748][ T7913] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  454.564723][ T7913]  </TASK>
[  454.572572][ T7913] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  454.589219][ T7913] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  454.598646][ T7913] CPU: 0 PID: 7913 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  454.609047][ T7913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  454.619115][ T7913] Call Trace:
[  454.622381][ T7913]  <TASK>
[  454.625302][ T7913]  dump_stack_lvl+0x125/0x1b0
[  454.629974][ T7913]  sysfs_warn_dup+0x7f/0xa0
[  454.634466][ T7913]  sysfs_create_dir_ns+0x249/0x2b0
[  454.639568][ T7913]  ? sysfs_create_mount_point+0xb0/0xb0
[  454.645104][ T7913]  ? spin_bug+0x1d0/0x1d0
[  454.649439][ T7913]  ? net_namespace+0x12/0x40
[  454.654042][ T7913]  ? device_namespace+0x8d/0xc0
[  454.658887][ T7913]  kobject_add_internal+0x2c8/0x970
[  454.664082][ T7913]  kobject_add+0x16f/0x240
[  454.668494][ T7913]  ? kset_create_and_add+0x190/0x190
[  454.673773][ T7913]  ? do_raw_spin_unlock+0x173/0x230
[  454.678967][ T7913]  ? kobject_put+0xbe/0x440
[  454.683462][ T7913]  ? device_add+0xc35/0x1aa0
[  454.688044][ T7913]  device_add+0x289/0x1aa0
[  454.692484][ T7913]  ? device_initialize+0x510/0x510
[  454.697585][ T7913]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  454.704430][ T7913]  ? __init_waitqueue_head+0xca/0x150
[  454.709829][ T7913]  netdev_register_kobject+0x183/0x3f0
[  454.715305][ T7913]  register_netdevice+0xbe6/0x14b0
[  454.720431][ T7913]  ? lockdep_hardirqs_on+0x7d/0x110
[  454.725667][ T7913]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  454.731559][ T7913]  ? lapbeth_setup+0x170/0x170
[  454.736319][ T7913]  lapbeth_device_event+0x5b8/0xd40
[  454.741517][ T7913]  notifier_call_chain+0xb6/0x3b0
[  454.746555][ T7913]  ? lapbeth_xmit+0x290/0x290
[  454.751236][ T7913]  call_netdevice_notifiers_info+0xbe/0x130
[  454.757120][ T7913]  __dev_notify_flags+0x12d/0x2e0
[  454.762134][ T7913]  ? dev_change_name+0x800/0x800
[  454.767061][ T7913]  ? dev_set_allmulti+0x30/0x30
[  454.771898][ T7913]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  454.777784][ T7913]  ? validate_linkmsg+0x6fc/0x9c0
[  454.782798][ T7913]  rtnl_configure_link+0x1b3/0x260
[  454.787897][ T7913]  ? br_dev_newlink+0xd3/0x110
[  454.792660][ T7913]  __rtnl_newlink+0x11a7/0x1930
[  454.797520][ T7913]  ? rtnl_link_unregister+0x260/0x260
[  454.802898][ T7913]  rtnl_newlink+0x67/0xa0
[  454.807217][ T7913]  ? __rtnl_newlink+0x1930/0x1930
[  454.812227][ T7913]  rtnetlink_rcv_msg+0x3c7/0xe00
[  454.817176][ T7913]  ? rtnl_fill_vf+0x4a0/0x4a0
[  454.821853][ T7913]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  454.827823][ T7913]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  454.833795][ T7913]  netlink_rcv_skb+0x16b/0x440
[  454.838550][ T7913]  ? rtnl_fill_vf+0x4a0/0x4a0
[  454.843213][ T7913]  ? netlink_ack+0x1380/0x1380
[  454.847963][ T7913]  ? lock_sync+0x190/0x190
[  454.852385][ T7913]  ? netlink_deliver_tap+0x1a0/0xd00
[  454.857690][ T7913]  ? _copy_from_iter+0x2c1/0x10f0
[  454.862717][ T7913]  netlink_unicast+0x53b/0x810
[  454.867482][ T7913]  ? netlink_attachskb+0x880/0x880
[  454.872590][ T7913]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  454.878490][ T7913]  ? __phys_addr_symbol+0x30/0x70
[  454.883528][ T7913]  ? __check_object_size+0x323/0x730
[  454.888803][ T7913]  netlink_sendmsg+0x93c/0xe40
[  454.893559][ T7913]  ? netlink_unicast+0x810/0x810
[  454.898512][ T7913]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  454.903795][ T7913]  ? netlink_unicast+0x810/0x810
[  454.908725][ T7913]  __sock_sendmsg+0xd5/0x180
[  454.913357][ T7913]  ____sys_sendmsg+0x6ac/0x940
[  454.918114][ T7913]  ? copy_msghdr_from_user+0x10b/0x160
[  454.923588][ T7913]  ? kernel_sendmsg+0x50/0x50
[  454.928255][ T7913]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  454.934236][ T7913]  ___sys_sendmsg+0x135/0x1d0
[  454.938905][ T7913]  ? do_recvmmsg+0x740/0x740
[  454.943484][ T7913]  ? find_held_lock+0x2d/0x110
[  454.948239][ T7913]  ? preempt_count_sub+0x160/0x160
[  454.953340][ T7913]  ? __fget_light+0x1fc/0x260
[  454.958012][ T7913]  __sys_sendmsg+0x117/0x1e0
[  454.962594][ T7913]  ? __sys_sendmsg_sock+0x30/0x30
[  454.967619][ T7913]  ? syscall_enter_from_user_mode+0x7f/0x120
[  454.973593][ T7913]  do_syscall_64+0x40/0x110
[  454.978086][ T7913]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  454.983972][ T7913] RIP: 0033:0x7ff3fd6020b9
[  454.988369][ T7913] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  455.007967][ T7913] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  455.016371][ T7913] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  455.024329][ T7913] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  455.032283][ T7913] RBP: 000000000006e9a8 R08: 0000000000000000 R09: 0000000000000006
[  455.040247][ T7913] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  455.048205][ T7913] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  455.056169][ T7913]  </TASK>
[  455.065685][ T7913] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  455.093809][ T7914] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  455.120401][ T7914] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  455.137619][ T7914] CPU: 0 PID: 7914 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  455.148245][ T7914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  455.158314][ T7914] Call Trace:
[  455.161600][ T7914]  <TASK>
[  455.164530][ T7914]  dump_stack_lvl+0x125/0x1b0
[  455.169207][ T7914]  sysfs_warn_dup+0x7f/0xa0
[  455.173721][ T7914]  sysfs_create_dir_ns+0x249/0x2b0
[  455.178830][ T7914]  ? sysfs_create_mount_point+0xb0/0xb0
[  455.184369][ T7914]  ? spin_bug+0x1d0/0x1d0
[  455.188694][ T7914]  ? net_namespace+0x12/0x40
[  455.193282][ T7914]  ? device_namespace+0x8d/0xc0
[  455.198134][ T7914]  kobject_add_internal+0x2c8/0x970
[  455.203335][ T7914]  kobject_add+0x16f/0x240
[  455.207749][ T7914]  ? kset_create_and_add+0x190/0x190
[  455.213034][ T7914]  ? do_raw_spin_unlock+0x173/0x230
[  455.218221][ T7914]  ? kobject_put+0xbe/0x440
[  455.222718][ T7914]  ? device_add+0xc35/0x1aa0
[  455.227305][ T7914]  device_add+0x289/0x1aa0
[  455.231719][ T7914]  ? device_initialize+0x510/0x510
[  455.236820][ T7914]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  455.243689][ T7914]  ? __init_waitqueue_head+0xca/0x150
[  455.249169][ T7914]  netdev_register_kobject+0x183/0x3f0
[  455.254642][ T7914]  register_netdevice+0xbe6/0x14b0
[  455.259753][ T7914]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  455.265820][ T7914]  ? alloc_netdev_mqs+0xee6/0x1290
[  455.270929][ T7914]  bpq_device_event+0x39e/0xaf0
[  455.275783][ T7914]  ? team_device_event+0x219/0x750
[  455.280898][ T7914]  notifier_call_chain+0xb6/0x3b0
[  455.285926][ T7914]  ? bpq_seq_stop+0xb0/0xb0
[  455.290430][ T7914]  call_netdevice_notifiers_info+0xbe/0x130
[  455.296331][ T7914]  __dev_notify_flags+0x12d/0x2e0
[  455.301357][ T7914]  ? dev_change_name+0x800/0x800
[  455.306288][ T7914]  ? dev_set_allmulti+0x30/0x30
[  455.311136][ T7914]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  455.317045][ T7914]  ? validate_linkmsg+0x6fc/0x9c0
[  455.322064][ T7914]  rtnl_configure_link+0x1b3/0x260
[  455.327201][ T7914]  ? br_dev_newlink+0xd3/0x110
[  455.331985][ T7914]  __rtnl_newlink+0x11a7/0x1930
[  455.336850][ T7914]  ? rtnl_link_unregister+0x260/0x260
[  455.342243][ T7914]  rtnl_newlink+0x67/0xa0
[  455.346578][ T7914]  ? __rtnl_newlink+0x1930/0x1930
[  455.351600][ T7914]  rtnetlink_rcv_msg+0x3c7/0xe00
[  455.356546][ T7914]  ? rtnl_fill_vf+0x4a0/0x4a0
[  455.361228][ T7914]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  455.367211][ T7914]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  455.373196][ T7914]  netlink_rcv_skb+0x16b/0x440
[  455.377960][ T7914]  ? rtnl_fill_vf+0x4a0/0x4a0
[  455.382636][ T7914]  ? netlink_ack+0x1380/0x1380
[  455.387397][ T7914]  ? lock_sync+0x190/0x190
[  455.391824][ T7914]  ? netlink_deliver_tap+0x1a0/0xd00
[  455.397107][ T7914]  ? _copy_from_iter+0x2c1/0x10f0
[  455.402145][ T7914]  netlink_unicast+0x53b/0x810
[  455.406916][ T7914]  ? netlink_attachskb+0x880/0x880
[  455.412028][ T7914]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  455.417917][ T7914]  ? __phys_addr_symbol+0x30/0x70
[  455.422940][ T7914]  ? __check_object_size+0x323/0x730
[  455.428226][ T7914]  netlink_sendmsg+0x93c/0xe40
[  455.432996][ T7914]  ? netlink_unicast+0x810/0x810
[  455.437938][ T7914]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  455.443221][ T7914]  ? netlink_unicast+0x810/0x810
[  455.448160][ T7914]  __sock_sendmsg+0xd5/0x180
[  455.452747][ T7914]  ____sys_sendmsg+0x6ac/0x940
[  455.457506][ T7914]  ? copy_msghdr_from_user+0x10b/0x160
[  455.462963][ T7914]  ? kernel_sendmsg+0x50/0x50
[  455.467642][ T7914]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  455.473626][ T7914]  ___sys_sendmsg+0x135/0x1d0
[  455.478303][ T7914]  ? do_recvmmsg+0x740/0x740
[  455.482901][ T7914]  ? find_held_lock+0x2d/0x110
[  455.487669][ T7914]  ? preempt_count_sub+0x160/0x160
[  455.492784][ T7914]  ? __fget_light+0x1fc/0x260
[  455.497461][ T7914]  __sys_sendmsg+0x117/0x1e0
[  455.502082][ T7914]  ? __sys_sendmsg_sock+0x30/0x30
[  455.507126][ T7914]  ? syscall_enter_from_user_mode+0x7f/0x120
[  455.513109][ T7914]  do_syscall_64+0x40/0x110
[  455.517608][ T7914]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  455.523499][ T7914] RIP: 0033:0x7ff3fd6020b9
[  455.527903][ T7914] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  455.547505][ T7914] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  455.555909][ T7914] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  455.563876][ T7914] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  455.571846][ T7914] RBP: 000000000006eda2 R08: 0000000000000000 R09: 0000000000000006
[  455.579807][ T7914] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  455.587769][ T7914] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  455.595747][ T7914]  </TASK>
[  455.603060][ T7914] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  455.618580][ T7914] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  455.628357][ T7914] CPU: 0 PID: 7914 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  455.638763][ T7914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  455.648806][ T7914] Call Trace:
[  455.652079][ T7914]  <TASK>
[  455.655033][ T7914]  dump_stack_lvl+0x125/0x1b0
[  455.659707][ T7914]  sysfs_warn_dup+0x7f/0xa0
[  455.664216][ T7914]  sysfs_create_dir_ns+0x249/0x2b0
[  455.669320][ T7914]  ? sysfs_create_mount_point+0xb0/0xb0
[  455.674860][ T7914]  ? spin_bug+0x1d0/0x1d0
[  455.679178][ T7914]  ? net_namespace+0x12/0x40
[  455.683762][ T7914]  ? device_namespace+0x8d/0xc0
[  455.688621][ T7914]  kobject_add_internal+0x2c8/0x970
[  455.693912][ T7914]  kobject_add+0x16f/0x240
[  455.698322][ T7914]  ? kset_create_and_add+0x190/0x190
[  455.703600][ T7914]  ? do_raw_spin_unlock+0x173/0x230
[  455.708786][ T7914]  ? kobject_put+0xbe/0x440
[  455.713295][ T7914]  ? device_add+0xc35/0x1aa0
[  455.717886][ T7914]  device_add+0x289/0x1aa0
[  455.722386][ T7914]  ? device_initialize+0x510/0x510
[  455.727505][ T7914]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  455.734355][ T7914]  ? __init_waitqueue_head+0xca/0x150
[  455.739744][ T7914]  netdev_register_kobject+0x183/0x3f0
[  455.745211][ T7914]  register_netdevice+0xbe6/0x14b0
[  455.750325][ T7914]  ? lockdep_hardirqs_on+0x7d/0x110
[  455.755529][ T7914]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  455.761426][ T7914]  ? lapbeth_setup+0x170/0x170
[  455.766186][ T7914]  lapbeth_device_event+0x5b8/0xd40
[  455.771385][ T7914]  notifier_call_chain+0xb6/0x3b0
[  455.776416][ T7914]  ? lapbeth_xmit+0x290/0x290
[  455.781092][ T7914]  call_netdevice_notifiers_info+0xbe/0x130
[  455.786981][ T7914]  __dev_notify_flags+0x12d/0x2e0
[  455.792002][ T7914]  ? dev_change_name+0x800/0x800
[  455.796935][ T7914]  ? dev_set_allmulti+0x30/0x30
[  455.801784][ T7914]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  455.807697][ T7914]  ? validate_linkmsg+0x6fc/0x9c0
[  455.812743][ T7914]  rtnl_configure_link+0x1b3/0x260
[  455.817849][ T7914]  ? br_dev_newlink+0xd3/0x110
[  455.822611][ T7914]  __rtnl_newlink+0x11a7/0x1930
[  455.827480][ T7914]  ? rtnl_link_unregister+0x260/0x260
[  455.832872][ T7914]  rtnl_newlink+0x67/0xa0
[  455.837199][ T7914]  ? __rtnl_newlink+0x1930/0x1930
[  455.842216][ T7914]  rtnetlink_rcv_msg+0x3c7/0xe00
[  455.847150][ T7914]  ? rtnl_fill_vf+0x4a0/0x4a0
[  455.851825][ T7914]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  455.857806][ T7914]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  455.863793][ T7914]  netlink_rcv_skb+0x16b/0x440
[  455.868555][ T7914]  ? rtnl_fill_vf+0x4a0/0x4a0
[  455.873227][ T7914]  ? netlink_ack+0x1380/0x1380
[  455.877984][ T7914]  ? lock_sync+0x190/0x190
[  455.882416][ T7914]  ? netlink_deliver_tap+0x1a0/0xd00
[  455.887702][ T7914]  ? _copy_from_iter+0x2c1/0x10f0
[  455.892730][ T7914]  netlink_unicast+0x53b/0x810
[  455.897492][ T7914]  ? netlink_attachskb+0x880/0x880
[  455.902603][ T7914]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  455.908495][ T7914]  ? __phys_addr_symbol+0x30/0x70
[  455.913514][ T7914]  ? __check_object_size+0x323/0x730
[  455.918797][ T7914]  netlink_sendmsg+0x93c/0xe40
[  455.923560][ T7914]  ? netlink_unicast+0x810/0x810
[  455.928499][ T7914]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  455.933796][ T7914]  ? netlink_unicast+0x810/0x810
[  455.938735][ T7914]  __sock_sendmsg+0xd5/0x180
[  455.943321][ T7914]  ____sys_sendmsg+0x6ac/0x940
[  455.948081][ T7914]  ? copy_msghdr_from_user+0x10b/0x160
[  455.953535][ T7914]  ? kernel_sendmsg+0x50/0x50
[  455.958208][ T7914]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  455.964974][ T7914]  ___sys_sendmsg+0x135/0x1d0
[  455.969650][ T7914]  ? do_recvmmsg+0x740/0x740
[  455.974236][ T7914]  ? find_held_lock+0x2d/0x110
[  455.979035][ T7914]  ? preempt_count_sub+0x160/0x160
[  455.984241][ T7914]  ? __fget_light+0x1fc/0x260
[  455.988926][ T7914]  __sys_sendmsg+0x117/0x1e0
[  455.993522][ T7914]  ? __sys_sendmsg_sock+0x30/0x30
[  455.998564][ T7914]  ? syscall_enter_from_user_mode+0x7f/0x120
[  456.004545][ T7914]  do_syscall_64+0x40/0x110
[  456.009045][ T7914]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  456.014945][ T7914] RIP: 0033:0x7ff3fd6020b9
[  456.019351][ T7914] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  456.039753][ T7914] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  456.048161][ T7914] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  456.056320][ T7914] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  456.064371][ T7914] RBP: 000000000006eda2 R08: 0000000000000000 R09: 0000000000000006
[  456.072338][ T7914] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  456.080308][ T7914] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  456.088286][ T7914]  </TASK>
[  456.094463][ T7914] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  456.118962][ T7915] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  456.138500][ T7915] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  456.148196][ T7915] CPU: 0 PID: 7915 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  456.158598][ T7915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  456.168635][ T7915] Call Trace:
[  456.171902][ T7915]  <TASK>
[  456.174825][ T7915]  dump_stack_lvl+0x125/0x1b0
[  456.179497][ T7915]  sysfs_warn_dup+0x7f/0xa0
[  456.183994][ T7915]  sysfs_create_dir_ns+0x249/0x2b0
[  456.189095][ T7915]  ? sysfs_create_mount_point+0xb0/0xb0
[  456.194629][ T7915]  ? spin_bug+0x1d0/0x1d0
[  456.198945][ T7915]  ? net_namespace+0x12/0x40
[  456.203534][ T7915]  ? device_namespace+0x8d/0xc0
[  456.208391][ T7915]  kobject_add_internal+0x2c8/0x970
[  456.213600][ T7915]  kobject_add+0x16f/0x240
[  456.218019][ T7915]  ? kset_create_and_add+0x190/0x190
[  456.223301][ T7915]  ? do_raw_spin_unlock+0x173/0x230
[  456.228497][ T7915]  ? kobject_put+0xbe/0x440
[  456.232997][ T7915]  ? device_add+0xc35/0x1aa0
[  456.237585][ T7915]  device_add+0x289/0x1aa0
[  456.242018][ T7915]  ? device_initialize+0x510/0x510
[  456.247122][ T7915]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  456.253970][ T7915]  ? __init_waitqueue_head+0xca/0x150
[  456.259341][ T7915]  netdev_register_kobject+0x183/0x3f0
[  456.264901][ T7915]  register_netdevice+0xbe6/0x14b0
[  456.270020][ T7915]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  456.275916][ T7915]  ? alloc_netdev_mqs+0xee6/0x1290
[  456.281022][ T7915]  bpq_device_event+0x39e/0xaf0
[  456.285873][ T7915]  ? team_device_event+0x219/0x750
[  456.290972][ T7915]  notifier_call_chain+0xb6/0x3b0
[  456.295995][ T7915]  ? bpq_seq_stop+0xb0/0xb0
[  456.300493][ T7915]  call_netdevice_notifiers_info+0xbe/0x130
[  456.306384][ T7915]  __dev_notify_flags+0x12d/0x2e0
[  456.311421][ T7915]  ? dev_change_name+0x800/0x800
[  456.316356][ T7915]  ? dev_set_allmulti+0x30/0x30
[  456.321201][ T7915]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  456.327090][ T7915]  ? validate_linkmsg+0x6fc/0x9c0
[  456.332125][ T7915]  rtnl_configure_link+0x1b3/0x260
[  456.337228][ T7915]  ? br_dev_newlink+0xd3/0x110
[  456.341989][ T7915]  __rtnl_newlink+0x11a7/0x1930
[  456.346840][ T7915]  ? rtnl_link_unregister+0x260/0x260
[  456.352224][ T7915]  rtnl_newlink+0x67/0xa0
[  456.356565][ T7915]  ? __rtnl_newlink+0x1930/0x1930
[  456.361583][ T7915]  rtnetlink_rcv_msg+0x3c7/0xe00
[  456.366530][ T7915]  ? rtnl_fill_vf+0x4a0/0x4a0
[  456.371199][ T7915]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  456.377178][ T7915]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  456.383162][ T7915]  netlink_rcv_skb+0x16b/0x440
[  456.387928][ T7915]  ? rtnl_fill_vf+0x4a0/0x4a0
[  456.392605][ T7915]  ? netlink_ack+0x1380/0x1380
[  456.397363][ T7915]  ? lock_sync+0x190/0x190
[  456.401814][ T7915]  ? netlink_deliver_tap+0x1a0/0xd00
[  456.407201][ T7915]  ? _copy_from_iter+0x2c1/0x10f0
[  456.412232][ T7915]  netlink_unicast+0x53b/0x810
[  456.417013][ T7915]  ? netlink_attachskb+0x880/0x880
[  456.422138][ T7915]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  456.428033][ T7915]  ? __phys_addr_symbol+0x30/0x70
[  456.433051][ T7915]  ? __check_object_size+0x323/0x730
[  456.438338][ T7915]  netlink_sendmsg+0x93c/0xe40
[  456.443132][ T7915]  ? netlink_unicast+0x810/0x810
[  456.448071][ T7915]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  456.453356][ T7915]  ? netlink_unicast+0x810/0x810
[  456.458312][ T7915]  __sock_sendmsg+0xd5/0x180
[  456.462998][ T7915]  ____sys_sendmsg+0x6ac/0x940
[  456.467765][ T7915]  ? copy_msghdr_from_user+0x10b/0x160
[  456.473223][ T7915]  ? kernel_sendmsg+0x50/0x50
[  456.478074][ T7915]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  456.484064][ T7915]  ___sys_sendmsg+0x135/0x1d0
[  456.488743][ T7915]  ? do_recvmmsg+0x740/0x740
[  456.493330][ T7915]  ? find_held_lock+0x2d/0x110
[  456.498187][ T7915]  ? preempt_count_sub+0x160/0x160
[  456.503300][ T7915]  ? __fget_light+0x1fc/0x260
[  456.507980][ T7915]  __sys_sendmsg+0x117/0x1e0
[  456.512577][ T7915]  ? __sys_sendmsg_sock+0x30/0x30
[  456.517610][ T7915]  ? syscall_enter_from_user_mode+0x7f/0x120
[  456.523611][ T7915]  do_syscall_64+0x40/0x110
[  456.528199][ T7915]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  456.534107][ T7915] RIP: 0033:0x7ff3fd6020b9
[  456.538517][ T7915] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  456.558298][ T7915] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  456.566707][ T7915] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  456.574669][ T7915] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  456.582630][ T7915] RBP: 000000000006f19f R08: 0000000000000000 R09: 0000000000000006
[  456.590682][ T7915] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  456.598653][ T7915] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  456.606624][ T7915]  </TASK>
[  456.615234][ T7915] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  456.630579][ T7915] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  456.640577][ T7915] CPU: 0 PID: 7915 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  456.650973][ T7915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  456.661031][ T7915] Call Trace:
[  456.664344][ T7915]  <TASK>
[  456.667300][ T7915]  dump_stack_lvl+0x125/0x1b0
[  456.671985][ T7915]  sysfs_warn_dup+0x7f/0xa0
[  456.676495][ T7915]  sysfs_create_dir_ns+0x249/0x2b0
[  456.681616][ T7915]  ? sysfs_create_mount_point+0xb0/0xb0
[  456.687148][ T7915]  ? spin_bug+0x1d0/0x1d0
[  456.691471][ T7915]  ? net_namespace+0x12/0x40
[  456.696068][ T7915]  ? device_namespace+0x8d/0xc0
[  456.700912][ T7915]  kobject_add_internal+0x2c8/0x970
[  456.706143][ T7915]  kobject_add+0x16f/0x240
[  456.710588][ T7915]  ? kset_create_and_add+0x190/0x190
[  456.715881][ T7915]  ? do_raw_spin_unlock+0x173/0x230
[  456.721077][ T7915]  ? kobject_put+0xbe/0x440
[  456.725578][ T7915]  ? device_add+0xc35/0x1aa0
[  456.730166][ T7915]  device_add+0x289/0x1aa0
[  456.734598][ T7915]  ? device_initialize+0x510/0x510
[  456.739704][ T7915]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  456.746557][ T7915]  ? __init_waitqueue_head+0xca/0x150
[  456.751938][ T7915]  netdev_register_kobject+0x183/0x3f0
[  456.757427][ T7915]  register_netdevice+0xbe6/0x14b0
[  456.762546][ T7915]  ? lockdep_hardirqs_on+0x7d/0x110
[  456.767745][ T7915]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  456.773641][ T7915]  ? lapbeth_setup+0x170/0x170
[  456.778409][ T7915]  lapbeth_device_event+0x5b8/0xd40
[  456.783621][ T7915]  notifier_call_chain+0xb6/0x3b0
[  456.788666][ T7915]  ? lapbeth_xmit+0x290/0x290
[  456.793359][ T7915]  call_netdevice_notifiers_info+0xbe/0x130
[  456.799424][ T7915]  __dev_notify_flags+0x12d/0x2e0
[  456.804453][ T7915]  ? dev_change_name+0x800/0x800
[  456.809405][ T7915]  ? dev_set_allmulti+0x30/0x30
[  456.814265][ T7915]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  456.820154][ T7915]  ? validate_linkmsg+0x6fc/0x9c0
[  456.825175][ T7915]  rtnl_configure_link+0x1b3/0x260
[  456.830279][ T7915]  ? br_dev_newlink+0xd3/0x110
[  456.835041][ T7915]  __rtnl_newlink+0x11a7/0x1930
[  456.839898][ T7915]  ? rtnl_link_unregister+0x260/0x260
[  456.845286][ T7915]  rtnl_newlink+0x67/0xa0
[  456.849611][ T7915]  ? __rtnl_newlink+0x1930/0x1930
[  456.854629][ T7915]  rtnetlink_rcv_msg+0x3c7/0xe00
[  456.859565][ T7915]  ? rtnl_fill_vf+0x4a0/0x4a0
[  456.864235][ T7915]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  456.870215][ T7915]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  456.876204][ T7915]  netlink_rcv_skb+0x16b/0x440
[  456.881142][ T7915]  ? rtnl_fill_vf+0x4a0/0x4a0
[  456.885811][ T7915]  ? netlink_ack+0x1380/0x1380
[  456.890568][ T7915]  ? lock_sync+0x190/0x190
[  456.894988][ T7915]  ? netlink_deliver_tap+0x1a0/0xd00
[  456.900879][ T7915]  ? _copy_from_iter+0x2c1/0x10f0
[  456.905899][ T7915]  netlink_unicast+0x53b/0x810
[  456.910665][ T7915]  ? netlink_attachskb+0x880/0x880
[  456.915773][ T7915]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  456.921660][ T7915]  ? __phys_addr_symbol+0x30/0x70
[  456.926677][ T7915]  ? __check_object_size+0x323/0x730
[  456.931959][ T7915]  netlink_sendmsg+0x93c/0xe40
[  456.936739][ T7915]  ? netlink_unicast+0x810/0x810
[  456.941677][ T7915]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  456.946960][ T7915]  ? netlink_unicast+0x810/0x810
[  456.951901][ T7915]  __sock_sendmsg+0xd5/0x180
[  456.956488][ T7915]  ____sys_sendmsg+0x6ac/0x940
[  456.961268][ T7915]  ? copy_msghdr_from_user+0x10b/0x160
[  456.966727][ T7915]  ? kernel_sendmsg+0x50/0x50
[  456.971402][ T7915]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  456.977388][ T7915]  ___sys_sendmsg+0x135/0x1d0
[  456.982067][ T7915]  ? do_recvmmsg+0x740/0x740
[  456.986653][ T7915]  ? find_held_lock+0x2d/0x110
[  456.991423][ T7915]  ? preempt_count_sub+0x160/0x160
[  456.996539][ T7915]  ? __fget_light+0x1fc/0x260
[  457.001212][ T7915]  __sys_sendmsg+0x117/0x1e0
[  457.005801][ T7915]  ? __sys_sendmsg_sock+0x30/0x30
[  457.010832][ T7915]  ? syscall_enter_from_user_mode+0x7f/0x120
[  457.016815][ T7915]  do_syscall_64+0x40/0x110
[  457.021335][ T7915]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  457.027230][ T7915] RIP: 0033:0x7ff3fd6020b9
[  457.031639][ T7915] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  457.051259][ T7915] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  457.059711][ T7915] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  457.067679][ T7915] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  457.075644][ T7915] RBP: 000000000006f19f R08: 0000000000000000 R09: 0000000000000006
[  457.083618][ T7915] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  457.091580][ T7915] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  457.099552][ T7915]  </TASK>
[  457.105353][ T7915] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  457.129088][ T7916] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  457.145776][ T7916] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  457.155546][ T7916] CPU: 1 PID: 7916 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  457.166104][ T7916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  457.176172][ T7916] Call Trace:
[  457.179449][ T7916]  <TASK>
[  457.182376][ T7916]  dump_stack_lvl+0x125/0x1b0
[  457.187058][ T7916]  sysfs_warn_dup+0x7f/0xa0
[  457.191569][ T7916]  sysfs_create_dir_ns+0x249/0x2b0
[  457.196693][ T7916]  ? sysfs_create_mount_point+0xb0/0xb0
[  457.202243][ T7916]  ? spin_bug+0x1d0/0x1d0
[  457.206570][ T7916]  ? net_namespace+0x12/0x40
[  457.211160][ T7916]  ? device_namespace+0x8d/0xc0
[  457.216019][ T7916]  kobject_add_internal+0x2c8/0x970
[  457.221223][ T7916]  kobject_add+0x16f/0x240
[  457.225728][ T7916]  ? kset_create_and_add+0x190/0x190
[  457.231016][ T7916]  ? do_raw_spin_unlock+0x173/0x230
[  457.236208][ T7916]  ? kobject_put+0xbe/0x440
[  457.240727][ T7916]  ? device_add+0xc35/0x1aa0
[  457.245326][ T7916]  device_add+0x289/0x1aa0
[  457.249922][ T7916]  ? device_initialize+0x510/0x510
[  457.255060][ T7916]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  457.261914][ T7916]  ? __init_waitqueue_head+0xca/0x150
[  457.267544][ T7916]  netdev_register_kobject+0x183/0x3f0
[  457.272999][ T7916]  register_netdevice+0xbe6/0x14b0
[  457.278098][ T7916]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  457.283978][ T7916]  ? alloc_netdev_mqs+0xee6/0x1290
[  457.289075][ T7916]  bpq_device_event+0x39e/0xaf0
[  457.293915][ T7916]  ? team_device_event+0x219/0x750
[  457.299021][ T7916]  notifier_call_chain+0xb6/0x3b0
[  457.304042][ T7916]  ? bpq_seq_stop+0xb0/0xb0
[  457.308532][ T7916]  call_netdevice_notifiers_info+0xbe/0x130
[  457.314410][ T7916]  __dev_notify_flags+0x12d/0x2e0
[  457.319443][ T7916]  ? dev_change_name+0x800/0x800
[  457.324365][ T7916]  ? dev_set_allmulti+0x30/0x30
[  457.329198][ T7916]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  457.335088][ T7916]  ? validate_linkmsg+0x6fc/0x9c0
[  457.340094][ T7916]  rtnl_configure_link+0x1b3/0x260
[  457.345187][ T7916]  ? br_dev_newlink+0xd3/0x110
[  457.349933][ T7916]  __rtnl_newlink+0x11a7/0x1930
[  457.354777][ T7916]  ? rtnl_link_unregister+0x260/0x260
[  457.360155][ T7916]  rtnl_newlink+0x67/0xa0
[  457.364480][ T7916]  ? __rtnl_newlink+0x1930/0x1930
[  457.369511][ T7916]  rtnetlink_rcv_msg+0x3c7/0xe00
[  457.374550][ T7916]  ? rtnl_fill_vf+0x4a0/0x4a0
[  457.379219][ T7916]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  457.385189][ T7916]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  457.391163][ T7916]  netlink_rcv_skb+0x16b/0x440
[  457.395911][ T7916]  ? rtnl_fill_vf+0x4a0/0x4a0
[  457.400571][ T7916]  ? netlink_ack+0x1380/0x1380
[  457.405317][ T7916]  ? lock_sync+0x190/0x190
[  457.409779][ T7916]  ? netlink_deliver_tap+0x1a0/0xd00
[  457.415060][ T7916]  ? _copy_from_iter+0x2c1/0x10f0
[  457.420071][ T7916]  netlink_unicast+0x53b/0x810
[  457.424826][ T7916]  ? netlink_attachskb+0x880/0x880
[  457.429945][ T7916]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  457.435917][ T7916]  ? __phys_addr_symbol+0x30/0x70
[  457.440923][ T7916]  ? __check_object_size+0x323/0x730
[  457.446188][ T7916]  netlink_sendmsg+0x93c/0xe40
[  457.450940][ T7916]  ? netlink_unicast+0x810/0x810
[  457.455867][ T7916]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  457.461225][ T7916]  ? netlink_unicast+0x810/0x810
[  457.466163][ T7916]  __sock_sendmsg+0xd5/0x180
[  457.470739][ T7916]  ____sys_sendmsg+0x6ac/0x940
[  457.475488][ T7916]  ? copy_msghdr_from_user+0x10b/0x160
[  457.480942][ T7916]  ? kernel_sendmsg+0x50/0x50
[  457.485638][ T7916]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  457.491607][ T7916]  ___sys_sendmsg+0x135/0x1d0
[  457.496267][ T7916]  ? do_recvmmsg+0x740/0x740
[  457.500838][ T7916]  ? find_held_lock+0x2d/0x110
[  457.505589][ T7916]  ? preempt_count_sub+0x160/0x160
[  457.510710][ T7916]  ? __fget_light+0x1fc/0x260
[  457.515369][ T7916]  __sys_sendmsg+0x117/0x1e0
[  457.519942][ T7916]  ? __sys_sendmsg_sock+0x30/0x30
[  457.524960][ T7916]  ? syscall_enter_from_user_mode+0x7f/0x120
[  457.530933][ T7916]  do_syscall_64+0x40/0x110
[  457.535419][ T7916]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  457.541298][ T7916] RIP: 0033:0x7ff3fd6020b9
[  457.545696][ T7916] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  457.565285][ T7916] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  457.573677][ T7916] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  457.581632][ T7916] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  457.589586][ T7916] RBP: 000000000006f5a0 R08: 0000000000000000 R09: 0000000000000006
[  457.597556][ T7916] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  457.606314][ T7916] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  457.614623][ T7916]  </TASK>
[  457.621013][ T7916] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  457.636379][ T7916] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  457.645595][ T7916] CPU: 1 PID: 7916 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  457.656023][ T7916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  457.666060][ T7916] Call Trace:
[  457.669325][ T7916]  <TASK>
[  457.672242][ T7916]  dump_stack_lvl+0x125/0x1b0
[  457.676909][ T7916]  sysfs_warn_dup+0x7f/0xa0
[  457.681400][ T7916]  sysfs_create_dir_ns+0x249/0x2b0
[  457.686528][ T7916]  ? sysfs_create_mount_point+0xb0/0xb0
[  457.692060][ T7916]  ? spin_bug+0x1d0/0x1d0
[  457.696376][ T7916]  ? net_namespace+0x12/0x40
[  457.700958][ T7916]  ? device_namespace+0x8d/0xc0
[  457.706067][ T7916]  kobject_add_internal+0x2c8/0x970
[  457.711257][ T7916]  kobject_add+0x16f/0x240
[  457.715664][ T7916]  ? kset_create_and_add+0x190/0x190
[  457.720937][ T7916]  ? do_raw_spin_unlock+0x173/0x230
[  457.726120][ T7916]  ? kobject_put+0xbe/0x440
[  457.730612][ T7916]  ? device_add+0xc35/0x1aa0
[  457.735196][ T7916]  device_add+0x289/0x1aa0
[  457.739601][ T7916]  ? device_initialize+0x510/0x510
[  457.744698][ T7916]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  457.751540][ T7916]  ? __init_waitqueue_head+0xca/0x150
[  457.756908][ T7916]  netdev_register_kobject+0x183/0x3f0
[  457.762360][ T7916]  register_netdevice+0xbe6/0x14b0
[  457.767463][ T7916]  ? lockdep_hardirqs_on+0x7d/0x110
[  457.772653][ T7916]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  457.778542][ T7916]  ? lapbeth_setup+0x170/0x170
[  457.783299][ T7916]  lapbeth_device_event+0x5b8/0xd40
[  457.788509][ T7916]  notifier_call_chain+0xb6/0x3b0
[  457.793530][ T7916]  ? lapbeth_xmit+0x290/0x290
[  457.798230][ T7916]  call_netdevice_notifiers_info+0xbe/0x130
[  457.804113][ T7916]  __dev_notify_flags+0x12d/0x2e0
[  457.809128][ T7916]  ? dev_change_name+0x800/0x800
[  457.814052][ T7916]  ? dev_set_allmulti+0x30/0x30
[  457.818980][ T7916]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  457.824860][ T7916]  ? validate_linkmsg+0x6fc/0x9c0
[  457.829888][ T7916]  rtnl_configure_link+0x1b3/0x260
[  457.834997][ T7916]  ? br_dev_newlink+0xd3/0x110
[  457.839751][ T7916]  __rtnl_newlink+0x11a7/0x1930
[  457.844595][ T7916]  ? rtnl_link_unregister+0x260/0x260
[  457.849986][ T7916]  rtnl_newlink+0x67/0xa0
[  457.854304][ T7916]  ? __rtnl_newlink+0x1930/0x1930
[  457.859315][ T7916]  rtnetlink_rcv_msg+0x3c7/0xe00
[  457.864326][ T7916]  ? rtnl_fill_vf+0x4a0/0x4a0
[  457.868994][ T7916]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  457.874986][ T7916]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  457.880974][ T7916]  netlink_rcv_skb+0x16b/0x440
[  457.885773][ T7916]  ? rtnl_fill_vf+0x4a0/0x4a0
[  457.890455][ T7916]  ? netlink_ack+0x1380/0x1380
[  457.895221][ T7916]  ? lock_sync+0x190/0x190
[  457.899644][ T7916]  ? netlink_deliver_tap+0x1a0/0xd00
[  457.904926][ T7916]  ? _copy_from_iter+0x2c1/0x10f0
[  457.909979][ T7916]  netlink_unicast+0x53b/0x810
[  457.914740][ T7916]  ? netlink_attachskb+0x880/0x880
[  457.919845][ T7916]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  457.925816][ T7916]  ? __phys_addr_symbol+0x30/0x70
[  457.930830][ T7916]  ? __check_object_size+0x323/0x730
[  457.936109][ T7916]  netlink_sendmsg+0x93c/0xe40
[  457.940956][ T7916]  ? netlink_unicast+0x810/0x810
[  457.945894][ T7916]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  457.951172][ T7916]  ? netlink_unicast+0x810/0x810
[  457.956100][ T7916]  __sock_sendmsg+0xd5/0x180
[  457.960692][ T7916]  ____sys_sendmsg+0x6ac/0x940
[  457.965463][ T7916]  ? copy_msghdr_from_user+0x10b/0x160
[  457.970933][ T7916]  ? kernel_sendmsg+0x50/0x50
[  457.975603][ T7916]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  457.981577][ T7916]  ___sys_sendmsg+0x135/0x1d0
[  457.986246][ T7916]  ? do_recvmmsg+0x740/0x740
[  457.990915][ T7916]  ? find_held_lock+0x2d/0x110
[  457.995691][ T7916]  ? preempt_count_sub+0x160/0x160
[  458.000809][ T7916]  ? __fget_light+0x1fc/0x260
[  458.005486][ T7916]  __sys_sendmsg+0x117/0x1e0
[  458.010076][ T7916]  ? __sys_sendmsg_sock+0x30/0x30
[  458.015110][ T7916]  ? syscall_enter_from_user_mode+0x7f/0x120
[  458.021123][ T7916]  do_syscall_64+0x40/0x110
[  458.025645][ T7916]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  458.031553][ T7916] RIP: 0033:0x7ff3fd6020b9
[  458.035991][ T7916] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  458.055627][ T7916] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  458.064035][ T7916] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  458.072000][ T7916] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  458.079964][ T7916] RBP: 000000000006f5a0 R08: 0000000000000000 R09: 0000000000000006
[  458.087926][ T7916] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  458.095900][ T7916] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  458.104853][ T7916]  </TASK>
[  458.110344][ T7916] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  458.135424][ T7917] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  458.153060][ T7917] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  458.163485][ T7917] CPU: 0 PID: 7917 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  458.173999][ T7917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  458.184052][ T7917] Call Trace:
[  458.187332][ T7917]  <TASK>
[  458.190266][ T7917]  dump_stack_lvl+0x125/0x1b0
[  458.194947][ T7917]  sysfs_warn_dup+0x7f/0xa0
[  458.199475][ T7917]  sysfs_create_dir_ns+0x249/0x2b0
[  458.204582][ T7917]  ? sysfs_create_mount_point+0xb0/0xb0
[  458.210126][ T7917]  ? spin_bug+0x1d0/0x1d0
[  458.214452][ T7917]  ? net_namespace+0x12/0x40
[  458.219030][ T7917]  ? device_namespace+0x8d/0xc0
[  458.223900][ T7917]  kobject_add_internal+0x2c8/0x970
[  458.229100][ T7917]  kobject_add+0x16f/0x240
[  458.233513][ T7917]  ? kset_create_and_add+0x190/0x190
[  458.238810][ T7917]  ? do_raw_spin_unlock+0x173/0x230
[  458.244006][ T7917]  ? kobject_put+0xbe/0x440
[  458.248518][ T7917]  ? device_add+0xc35/0x1aa0
[  458.253116][ T7917]  device_add+0x289/0x1aa0
[  458.257528][ T7917]  ? device_initialize+0x510/0x510
[  458.262646][ T7917]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  458.269494][ T7917]  ? __init_waitqueue_head+0xca/0x150
[  458.274869][ T7917]  netdev_register_kobject+0x183/0x3f0
[  458.280352][ T7917]  register_netdevice+0xbe6/0x14b0
[  458.285469][ T7917]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  458.291362][ T7917]  ? alloc_netdev_mqs+0xee6/0x1290
[  458.296491][ T7917]  bpq_device_event+0x39e/0xaf0
[  458.301349][ T7917]  ? team_device_event+0x219/0x750
[  458.306503][ T7917]  notifier_call_chain+0xb6/0x3b0
[  458.311547][ T7917]  ? bpq_seq_stop+0xb0/0xb0
[  458.316059][ T7917]  call_netdevice_notifiers_info+0xbe/0x130
[  458.321961][ T7917]  __dev_notify_flags+0x12d/0x2e0
[  458.326990][ T7917]  ? dev_change_name+0x800/0x800
[  458.331948][ T7917]  ? dev_set_allmulti+0x30/0x30
[  458.336795][ T7917]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  458.342776][ T7917]  ? validate_linkmsg+0x6fc/0x9c0
[  458.347797][ T7917]  rtnl_configure_link+0x1b3/0x260
[  458.352901][ T7917]  ? br_dev_newlink+0xd3/0x110
[  458.357659][ T7917]  __rtnl_newlink+0x11a7/0x1930
[  458.362516][ T7917]  ? rtnl_link_unregister+0x260/0x260
[  458.367905][ T7917]  rtnl_newlink+0x67/0xa0
[  458.372234][ T7917]  ? __rtnl_newlink+0x1930/0x1930
[  458.377254][ T7917]  rtnetlink_rcv_msg+0x3c7/0xe00
[  458.382192][ T7917]  ? rtnl_fill_vf+0x4a0/0x4a0
[  458.386865][ T7917]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  458.392847][ T7917]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  458.398868][ T7917]  netlink_rcv_skb+0x16b/0x440
[  458.403724][ T7917]  ? rtnl_fill_vf+0x4a0/0x4a0
[  458.408402][ T7917]  ? netlink_ack+0x1380/0x1380
[  458.413168][ T7917]  ? lock_sync+0x190/0x190
[  458.417623][ T7917]  ? netlink_deliver_tap+0x1a0/0xd00
[  458.422997][ T7917]  ? _copy_from_iter+0x2c1/0x10f0
[  458.428023][ T7917]  netlink_unicast+0x53b/0x810
[  458.432798][ T7917]  ? netlink_attachskb+0x880/0x880
[  458.437915][ T7917]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  458.443819][ T7917]  ? __phys_addr_symbol+0x30/0x70
[  458.448850][ T7917]  ? __check_object_size+0x323/0x730
[  458.454221][ T7917]  netlink_sendmsg+0x93c/0xe40
[  458.458992][ T7917]  ? netlink_unicast+0x810/0x810
[  458.463940][ T7917]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  458.469226][ T7917]  ? netlink_unicast+0x810/0x810
[  458.474168][ T7917]  __sock_sendmsg+0xd5/0x180
[  458.478790][ T7917]  ____sys_sendmsg+0x6ac/0x940
[  458.483552][ T7917]  ? copy_msghdr_from_user+0x10b/0x160
[  458.489012][ T7917]  ? kernel_sendmsg+0x50/0x50
[  458.493694][ T7917]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  458.499680][ T7917]  ___sys_sendmsg+0x135/0x1d0
[  458.504889][ T7917]  ? do_recvmmsg+0x740/0x740
[  458.509476][ T7917]  ? find_held_lock+0x2d/0x110
[  458.514272][ T7917]  ? preempt_count_sub+0x160/0x160
[  458.519388][ T7917]  ? __fget_light+0x1fc/0x260
[  458.524077][ T7917]  __sys_sendmsg+0x117/0x1e0
[  458.528672][ T7917]  ? __sys_sendmsg_sock+0x30/0x30
[  458.533714][ T7917]  ? syscall_enter_from_user_mode+0x7f/0x120
[  458.539721][ T7917]  do_syscall_64+0x40/0x110
[  458.544221][ T7917]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  458.550132][ T7917] RIP: 0033:0x7ff3fd6020b9
[  458.554538][ T7917] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  458.574148][ T7917] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  458.582579][ T7917] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  458.590544][ T7917] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  458.598510][ T7917] RBP: 000000000006f992 R08: 0000000000000000 R09: 0000000000000006
[  458.606499][ T7917] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  458.614833][ T7917] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  458.622823][ T7917]  </TASK>
[  458.627734][ T7917] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  458.643468][ T7917] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  458.652661][ T7917] CPU: 0 PID: 7917 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  458.663093][ T7917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  458.673140][ T7917] Call Trace:
[  458.676450][ T7917]  <TASK>
[  458.679380][ T7917]  dump_stack_lvl+0x125/0x1b0
[  458.684155][ T7917]  sysfs_warn_dup+0x7f/0xa0
[  458.688678][ T7917]  sysfs_create_dir_ns+0x249/0x2b0
[  458.693794][ T7917]  ? sysfs_create_mount_point+0xb0/0xb0
[  458.699334][ T7917]  ? spin_bug+0x1d0/0x1d0
[  458.703666][ T7917]  ? net_namespace+0x12/0x40
[  458.708253][ T7917]  ? device_namespace+0x8d/0xc0
[  458.713114][ T7917]  kobject_add_internal+0x2c8/0x970
[  458.718493][ T7917]  kobject_add+0x16f/0x240
[  458.722905][ T7917]  ? kset_create_and_add+0x190/0x190
[  458.728219][ T7917]  ? do_raw_spin_unlock+0x173/0x230
[  458.733407][ T7917]  ? kobject_put+0xbe/0x440
[  458.737903][ T7917]  ? device_add+0xc35/0x1aa0
[  458.742501][ T7917]  device_add+0x289/0x1aa0
[  458.746933][ T7917]  ? device_initialize+0x510/0x510
[  458.752043][ T7917]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  458.758897][ T7917]  ? __init_waitqueue_head+0xca/0x150
[  458.764287][ T7917]  netdev_register_kobject+0x183/0x3f0
[  458.769762][ T7917]  register_netdevice+0xbe6/0x14b0
[  458.774886][ T7917]  ? lockdep_hardirqs_on+0x7d/0x110
[  458.780102][ T7917]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  458.786009][ T7917]  ? lapbeth_setup+0x170/0x170
[  458.790773][ T7917]  lapbeth_device_event+0x5b8/0xd40
[  458.796759][ T7917]  notifier_call_chain+0xb6/0x3b0
[  458.801784][ T7917]  ? lapbeth_xmit+0x290/0x290
[  458.806474][ T7917]  call_netdevice_notifiers_info+0xbe/0x130
[  458.812390][ T7917]  __dev_notify_flags+0x12d/0x2e0
[  458.817452][ T7917]  ? dev_change_name+0x800/0x800
[  458.822408][ T7917]  ? dev_set_allmulti+0x30/0x30
[  458.827270][ T7917]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  458.833174][ T7917]  ? validate_linkmsg+0x6fc/0x9c0
[  458.838197][ T7917]  rtnl_configure_link+0x1b3/0x260
[  458.843832][ T7917]  ? br_dev_newlink+0xd3/0x110
[  458.848598][ T7917]  __rtnl_newlink+0x11a7/0x1930
[  458.853457][ T7917]  ? rtnl_link_unregister+0x260/0x260
[  458.858845][ T7917]  rtnl_newlink+0x67/0xa0
[  458.863180][ T7917]  ? __rtnl_newlink+0x1930/0x1930
[  458.868203][ T7917]  rtnetlink_rcv_msg+0x3c7/0xe00
[  458.874532][ T7917]  ? rtnl_fill_vf+0x4a0/0x4a0
[  458.879208][ T7917]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  458.885189][ T7917]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  458.891175][ T7917]  netlink_rcv_skb+0x16b/0x440
[  458.895960][ T7917]  ? rtnl_fill_vf+0x4a0/0x4a0
[  458.900633][ T7917]  ? netlink_ack+0x1380/0x1380
[  458.905399][ T7917]  ? lock_sync+0x190/0x190
[  458.909833][ T7917]  ? netlink_deliver_tap+0x1a0/0xd00
[  458.915117][ T7917]  ? _copy_from_iter+0x2c1/0x10f0
[  458.920145][ T7917]  netlink_unicast+0x53b/0x810
[  458.924918][ T7917]  ? netlink_attachskb+0x880/0x880
[  458.930026][ T7917]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  458.936351][ T7917]  ? __phys_addr_symbol+0x30/0x70
[  458.941373][ T7917]  ? __check_object_size+0x323/0x730
[  458.946657][ T7917]  netlink_sendmsg+0x93c/0xe40
[  458.951465][ T7917]  ? netlink_unicast+0x810/0x810
[  458.956404][ T7917]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  458.964121][ T7917]  ? netlink_unicast+0x810/0x810
[  458.969074][ T7917]  __sock_sendmsg+0xd5/0x180
[  458.973671][ T7917]  ____sys_sendmsg+0x6ac/0x940
[  458.978442][ T7917]  ? copy_msghdr_from_user+0x10b/0x160
[  458.983907][ T7917]  ? kernel_sendmsg+0x50/0x50
[  458.988593][ T7917]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  458.994762][ T7917]  ___sys_sendmsg+0x135/0x1d0
[  458.999446][ T7917]  ? do_recvmmsg+0x740/0x740
[  459.004040][ T7917]  ? find_held_lock+0x2d/0x110
[  459.008838][ T7917]  ? preempt_count_sub+0x160/0x160
[  459.013960][ T7917]  ? __fget_light+0x1fc/0x260
[  459.018632][ T7917]  __sys_sendmsg+0x117/0x1e0
[  459.023223][ T7917]  ? __sys_sendmsg_sock+0x30/0x30
[  459.028262][ T7917]  ? syscall_enter_from_user_mode+0x7f/0x120
[  459.034249][ T7917]  do_syscall_64+0x40/0x110
[  459.038774][ T7917]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  459.044670][ T7917] RIP: 0033:0x7ff3fd6020b9
[  459.049083][ T7917] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  459.068867][ T7917] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  459.077282][ T7917] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  459.085262][ T7917] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  459.093231][ T7917] RBP: 000000000006f992 R08: 0000000000000000 R09: 0000000000000006
[  459.101196][ T7917] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  459.109161][ T7917] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  459.117136][ T7917]  </TASK>
[  459.124263][ T7917] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  459.148315][ T7918] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  459.166358][ T7918] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  459.176315][ T7918] CPU: 0 PID: 7918 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  459.186737][ T7918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  459.196807][ T7918] Call Trace:
[  459.200074][ T7918]  <TASK>
[  459.202994][ T7918]  dump_stack_lvl+0x125/0x1b0
[  459.207663][ T7918]  sysfs_warn_dup+0x7f/0xa0
[  459.212155][ T7918]  sysfs_create_dir_ns+0x249/0x2b0
[  459.217261][ T7918]  ? sysfs_create_mount_point+0xb0/0xb0
[  459.223682][ T7918]  ? spin_bug+0x1d0/0x1d0
[  459.228041][ T7918]  ? net_namespace+0x12/0x40
[  459.232649][ T7918]  ? device_namespace+0x8d/0xc0
[  459.237500][ T7918]  kobject_add_internal+0x2c8/0x970
[  459.242693][ T7918]  kobject_add+0x16f/0x240
[  459.247105][ T7918]  ? kset_create_and_add+0x190/0x190
[  459.252386][ T7918]  ? do_raw_spin_unlock+0x173/0x230
[  459.257577][ T7918]  ? kobject_put+0xbe/0x440
[  459.262075][ T7918]  ? device_add+0xc35/0x1aa0
[  459.266657][ T7918]  device_add+0x289/0x1aa0
[  459.271444][ T7918]  ? device_initialize+0x510/0x510
[  459.276566][ T7918]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  459.283424][ T7918]  ? __init_waitqueue_head+0xca/0x150
[  459.288811][ T7918]  netdev_register_kobject+0x183/0x3f0
[  459.294287][ T7918]  register_netdevice+0xbe6/0x14b0
[  459.299423][ T7918]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  459.305322][ T7918]  ? alloc_netdev_mqs+0xee6/0x1290
[  459.310433][ T7918]  bpq_device_event+0x39e/0xaf0
[  459.315294][ T7918]  ? team_device_event+0x219/0x750
[  459.320402][ T7918]  notifier_call_chain+0xb6/0x3b0
[  459.325435][ T7918]  ? bpq_seq_stop+0xb0/0xb0
[  459.329941][ T7918]  call_netdevice_notifiers_info+0xbe/0x130
[  459.335870][ T7918]  __dev_notify_flags+0x12d/0x2e0
[  459.340902][ T7918]  ? dev_change_name+0x800/0x800
[  459.345864][ T7918]  ? dev_set_allmulti+0x30/0x30
[  459.350716][ T7918]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  459.356608][ T7918]  ? validate_linkmsg+0x6fc/0x9c0
[  459.361634][ T7918]  rtnl_configure_link+0x1b3/0x260
[  459.366741][ T7918]  ? br_dev_newlink+0xd3/0x110
[  459.371531][ T7918]  __rtnl_newlink+0x11a7/0x1930
[  459.376390][ T7918]  ? rtnl_link_unregister+0x260/0x260
[  459.382413][ T7918]  rtnl_newlink+0x67/0xa0
[  459.386748][ T7918]  ? __rtnl_newlink+0x1930/0x1930
[  459.391773][ T7918]  rtnetlink_rcv_msg+0x3c7/0xe00
[  459.396712][ T7918]  ? rtnl_fill_vf+0x4a0/0x4a0
[  459.401385][ T7918]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  459.407365][ T7918]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  459.413352][ T7918]  netlink_rcv_skb+0x16b/0x440
[  459.418204][ T7918]  ? rtnl_fill_vf+0x4a0/0x4a0
[  459.422884][ T7918]  ? netlink_ack+0x1380/0x1380
[  459.427647][ T7918]  ? lock_sync+0x190/0x190
[  459.432077][ T7918]  ? netlink_deliver_tap+0x1a0/0xd00
[  459.437368][ T7918]  ? _copy_from_iter+0x2c1/0x10f0
[  459.442396][ T7918]  netlink_unicast+0x53b/0x810
[  459.447169][ T7918]  ? netlink_attachskb+0x880/0x880
[  459.452305][ T7918]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  459.458283][ T7918]  ? __phys_addr_symbol+0x30/0x70
[  459.463304][ T7918]  ? __check_object_size+0x323/0x730
[  459.468592][ T7918]  netlink_sendmsg+0x93c/0xe40
[  459.473367][ T7918]  ? netlink_unicast+0x810/0x810
[  459.478308][ T7918]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  459.483594][ T7918]  ? netlink_unicast+0x810/0x810
[  459.488538][ T7918]  __sock_sendmsg+0xd5/0x180
[  459.493212][ T7918]  ____sys_sendmsg+0x6ac/0x940
[  459.497988][ T7918]  ? copy_msghdr_from_user+0x10b/0x160
[  459.503449][ T7918]  ? kernel_sendmsg+0x50/0x50
[  459.508123][ T7918]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  459.514107][ T7918]  ___sys_sendmsg+0x135/0x1d0
[  459.518783][ T7918]  ? do_recvmmsg+0x740/0x740
[  459.523368][ T7918]  ? find_held_lock+0x2d/0x110
[  459.528133][ T7918]  ? preempt_count_sub+0x160/0x160
[  459.533246][ T7918]  ? __fget_light+0x1fc/0x260
[  459.537921][ T7918]  __sys_sendmsg+0x117/0x1e0
[  459.542514][ T7918]  ? __sys_sendmsg_sock+0x30/0x30
[  459.547547][ T7918]  ? syscall_enter_from_user_mode+0x7f/0x120
[  459.553535][ T7918]  do_syscall_64+0x40/0x110
[  459.558037][ T7918]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  459.563938][ T7918] RIP: 0033:0x7ff3fd6020b9
[  459.568377][ T7918] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  459.588078][ T7918] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  459.596490][ T7918] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  459.604454][ T7918] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  459.612418][ T7918] RBP: 000000000006fd81 R08: 0000000000000000 R09: 0000000000000006
[  459.620383][ T7918] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  459.628352][ T7918] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  459.636326][ T7918]  </TASK>
[  459.642011][ T7918] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  459.657302][ T7918] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  459.666729][ T7918] CPU: 0 PID: 7918 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  459.677144][ T7918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  459.687221][ T7918] Call Trace:
[  459.690490][ T7918]  <TASK>
[  459.693408][ T7918]  dump_stack_lvl+0x125/0x1b0
[  459.698077][ T7918]  sysfs_warn_dup+0x7f/0xa0
[  459.702581][ T7918]  sysfs_create_dir_ns+0x249/0x2b0
[  459.707710][ T7918]  ? sysfs_create_mount_point+0xb0/0xb0
[  459.713253][ T7918]  ? spin_bug+0x1d0/0x1d0
[  459.717571][ T7918]  ? net_namespace+0x12/0x40
[  459.722323][ T7918]  ? device_namespace+0x8d/0xc0
[  459.727166][ T7918]  kobject_add_internal+0x2c8/0x970
[  459.732356][ T7918]  kobject_add+0x16f/0x240
[  459.736763][ T7918]  ? kset_create_and_add+0x190/0x190
[  459.742039][ T7918]  ? do_raw_spin_unlock+0x173/0x230
[  459.747224][ T7918]  ? kobject_put+0xbe/0x440
[  459.751718][ T7918]  ? device_add+0xc35/0x1aa0
[  459.756295][ T7918]  device_add+0x289/0x1aa0
[  459.760710][ T7918]  ? device_initialize+0x510/0x510
[  459.765808][ T7918]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  459.772666][ T7918]  ? __init_waitqueue_head+0xca/0x150
[  459.778045][ T7918]  netdev_register_kobject+0x183/0x3f0
[  459.783518][ T7918]  register_netdevice+0xbe6/0x14b0
[  459.788629][ T7918]  ? lockdep_hardirqs_on+0x7d/0x110
[  459.793827][ T7918]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  459.799721][ T7918]  ? lapbeth_setup+0x170/0x170
[  459.804485][ T7918]  lapbeth_device_event+0x5b8/0xd40
[  459.809687][ T7918]  notifier_call_chain+0xb6/0x3b0
[  459.814715][ T7918]  ? lapbeth_xmit+0x290/0x290
[  459.819391][ T7918]  call_netdevice_notifiers_info+0xbe/0x130
[  459.825279][ T7918]  __dev_notify_flags+0x12d/0x2e0
[  459.830330][ T7918]  ? dev_change_name+0x800/0x800
[  459.835286][ T7918]  ? dev_set_allmulti+0x30/0x30
[  459.840130][ T7918]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  459.846046][ T7918]  ? validate_linkmsg+0x6fc/0x9c0
[  459.851101][ T7918]  rtnl_configure_link+0x1b3/0x260
[  459.856225][ T7918]  ? br_dev_newlink+0xd3/0x110
[  459.860988][ T7918]  __rtnl_newlink+0x11a7/0x1930
[  459.865843][ T7918]  ? rtnl_link_unregister+0x260/0x260
[  459.871232][ T7918]  rtnl_newlink+0x67/0xa0
[  459.875555][ T7918]  ? __rtnl_newlink+0x1930/0x1930
[  459.880573][ T7918]  rtnetlink_rcv_msg+0x3c7/0xe00
[  459.885508][ T7918]  ? rtnl_fill_vf+0x4a0/0x4a0
[  459.890179][ T7918]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  459.896160][ T7918]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  459.902143][ T7918]  netlink_rcv_skb+0x16b/0x440
[  459.906907][ T7918]  ? rtnl_fill_vf+0x4a0/0x4a0
[  459.911583][ T7918]  ? netlink_ack+0x1380/0x1380
[  459.916342][ T7918]  ? lock_sync+0x190/0x190
[  459.920777][ T7918]  ? netlink_deliver_tap+0x1a0/0xd00
[  459.926062][ T7918]  ? _copy_from_iter+0x2c1/0x10f0
[  459.931100][ T7918]  netlink_unicast+0x53b/0x810
[  459.935866][ T7918]  ? netlink_attachskb+0x880/0x880
[  459.940977][ T7918]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  459.946864][ T7918]  ? __phys_addr_symbol+0x30/0x70
[  459.951887][ T7918]  ? __check_object_size+0x323/0x730
[  459.957170][ T7918]  netlink_sendmsg+0x93c/0xe40
[  459.962634][ T7918]  ? netlink_unicast+0x810/0x810
[  459.967603][ T7918]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  459.972908][ T7918]  ? netlink_unicast+0x810/0x810
[  459.977864][ T7918]  __sock_sendmsg+0xd5/0x180
[  459.982458][ T7918]  ____sys_sendmsg+0x6ac/0x940
[  459.987217][ T7918]  ? copy_msghdr_from_user+0x10b/0x160
[  459.992678][ T7918]  ? kernel_sendmsg+0x50/0x50
[  459.997355][ T7918]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  460.003338][ T7918]  ___sys_sendmsg+0x135/0x1d0
[  460.008018][ T7918]  ? do_recvmmsg+0x740/0x740
[  460.012606][ T7918]  ? find_held_lock+0x2d/0x110
[  460.017375][ T7918]  ? preempt_count_sub+0x160/0x160
[  460.022491][ T7918]  ? __fget_light+0x1fc/0x260
[  460.027165][ T7918]  __sys_sendmsg+0x117/0x1e0
[  460.031763][ T7918]  ? __sys_sendmsg_sock+0x30/0x30
[  460.036870][ T7918]  ? syscall_enter_from_user_mode+0x7f/0x120
[  460.043037][ T7918]  do_syscall_64+0x40/0x110
[  460.047545][ T7918]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  460.053553][ T7918] RIP: 0033:0x7ff3fd6020b9
[  460.057966][ T7918] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  460.077658][ T7918] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  460.086246][ T7918] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  460.094213][ T7918] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  460.102179][ T7918] RBP: 000000000006fd81 R08: 0000000000000000 R09: 0000000000000006
[  460.110140][ T7918] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  460.118106][ T7918] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  460.126200][ T7918]  </TASK>
[  460.131002][ T7918] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  460.167547][ T7919] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  460.187895][ T7919] sysfs: cannot create duplicate filename '/devices/virtual/net/bpq100000000000'
[  460.197204][ T7919] CPU: 0 PID: 7919 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  460.207610][ T7919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  460.217652][ T7919] Call Trace:
[  460.220923][ T7919]  <TASK>
[  460.223845][ T7919]  dump_stack_lvl+0x125/0x1b0
[  460.228519][ T7919]  sysfs_warn_dup+0x7f/0xa0
[  460.233105][ T7919]  sysfs_create_dir_ns+0x249/0x2b0
[  460.238214][ T7919]  ? sysfs_create_mount_point+0xb0/0xb0
[  460.243757][ T7919]  ? spin_bug+0x1d0/0x1d0
[  460.248112][ T7919]  ? net_namespace+0x12/0x40
[  460.252724][ T7919]  ? device_namespace+0x8d/0xc0
[  460.257572][ T7919]  kobject_add_internal+0x2c8/0x970
[  460.262794][ T7919]  kobject_add+0x16f/0x240
[  460.267463][ T7919]  ? kset_create_and_add+0x190/0x190
[  460.272753][ T7919]  ? do_raw_spin_unlock+0x173/0x230
[  460.277945][ T7919]  ? kobject_put+0xbe/0x440
[  460.282440][ T7919]  ? device_add+0xc35/0x1aa0
[  460.287198][ T7919]  device_add+0x289/0x1aa0
[  460.291870][ T7919]  ? device_initialize+0x510/0x510
[  460.296968][ T7919]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  460.303811][ T7919]  ? __init_waitqueue_head+0xca/0x150
[  460.309174][ T7919]  netdev_register_kobject+0x183/0x3f0
[  460.314628][ T7919]  register_netdevice+0xbe6/0x14b0
[  460.319745][ T7919]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  460.325657][ T7919]  ? alloc_netdev_mqs+0xee6/0x1290
[  460.330761][ T7919]  bpq_device_event+0x39e/0xaf0
[  460.335609][ T7919]  ? team_device_event+0x219/0x750
[  460.340713][ T7919]  notifier_call_chain+0xb6/0x3b0
[  460.345727][ T7919]  ? bpq_seq_stop+0xb0/0xb0
[  460.350224][ T7919]  call_netdevice_notifiers_info+0xbe/0x130
[  460.356110][ T7919]  __dev_notify_flags+0x12d/0x2e0
[  460.361215][ T7919]  ? dev_change_name+0x800/0x800
[  460.366144][ T7919]  ? dev_set_allmulti+0x30/0x30
[  460.370989][ T7919]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  460.376877][ T7919]  ? validate_linkmsg+0x6fc/0x9c0
[  460.381908][ T7919]  rtnl_configure_link+0x1b3/0x260
[  460.387039][ T7919]  ? br_dev_newlink+0xd3/0x110
[  460.391832][ T7919]  __rtnl_newlink+0x11a7/0x1930
[  460.396686][ T7919]  ? rtnl_link_unregister+0x260/0x260
[  460.402063][ T7919]  rtnl_newlink+0x67/0xa0
[  460.406386][ T7919]  ? __rtnl_newlink+0x1930/0x1930
[  460.411417][ T7919]  rtnetlink_rcv_msg+0x3c7/0xe00
[  460.416448][ T7919]  ? rtnl_fill_vf+0x4a0/0x4a0
[  460.421120][ T7919]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  460.427106][ T7919]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  460.433093][ T7919]  netlink_rcv_skb+0x16b/0x440
[  460.437872][ T7919]  ? rtnl_fill_vf+0x4a0/0x4a0
[  460.442541][ T7919]  ? netlink_ack+0x1380/0x1380
[  460.448598][ T7919]  ? lock_sync+0x190/0x190
[  460.453022][ T7919]  ? netlink_deliver_tap+0x1a0/0xd00
[  460.459340][ T7919]  ? _copy_from_iter+0x2c1/0x10f0
[  460.464369][ T7919]  netlink_unicast+0x53b/0x810
[  460.469130][ T7919]  ? netlink_attachskb+0x880/0x880
[  460.474244][ T7919]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  460.480125][ T7919]  ? __phys_addr_symbol+0x30/0x70
[  460.485144][ T7919]  ? __check_object_size+0x323/0x730
[  460.490447][ T7919]  netlink_sendmsg+0x93c/0xe40
[  460.495206][ T7919]  ? netlink_unicast+0x810/0x810
[  460.501889][ T7919]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  460.507166][ T7919]  ? netlink_unicast+0x810/0x810
[  460.512109][ T7919]  __sock_sendmsg+0xd5/0x180
[  460.516689][ T7919]  ____sys_sendmsg+0x6ac/0x940
[  460.521449][ T7919]  ? copy_msghdr_from_user+0x10b/0x160
[  460.527511][ T7919]  ? kernel_sendmsg+0x50/0x50
[  460.532184][ T7919]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  460.538244][ T7919]  ___sys_sendmsg+0x135/0x1d0
[  460.542931][ T7919]  ? do_recvmmsg+0x740/0x740
[  460.547541][ T7919]  ? find_held_lock+0x2d/0x110
[  460.552305][ T7919]  ? preempt_count_sub+0x160/0x160
[  460.557472][ T7919]  ? __fget_light+0x1fc/0x260
[  460.562152][ T7919]  __sys_sendmsg+0x117/0x1e0
[  460.566746][ T7919]  ? __sys_sendmsg_sock+0x30/0x30
[  460.571775][ T7919]  ? syscall_enter_from_user_mode+0x7f/0x120
[  460.577776][ T7919]  do_syscall_64+0x40/0x110
[  460.582277][ T7919]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  460.588177][ T7919] RIP: 0033:0x7ff3fd6020b9
[  460.592584][ T7919] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  460.612193][ T7919] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  460.620594][ T7919] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  460.628640][ T7919] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  460.636597][ T7919] RBP: 0000000000070176 R08: 0000000000000000 R09: 0000000000000006
[  460.644555][ T7919] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  460.652682][ T7919] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  460.660654][ T7919]  </TASK>
[  460.664640][ T7919] kobject: kobject_add_internal failed for bpq100000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  460.681920][ T7919] sysfs: cannot create duplicate filename '/devices/virtual/net/lapb10000000000'
[  460.692861][ T7919] CPU: 1 PID: 7919 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  460.703286][ T7919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  460.713326][ T7919] Call Trace:
[  460.716590][ T7919]  <TASK>
[  460.719505][ T7919]  dump_stack_lvl+0x125/0x1b0
[  460.724172][ T7919]  sysfs_warn_dup+0x7f/0xa0
[  460.728659][ T7919]  sysfs_create_dir_ns+0x249/0x2b0
[  460.733757][ T7919]  ? sysfs_create_mount_point+0xb0/0xb0
[  460.739308][ T7919]  ? spin_bug+0x1d0/0x1d0
[  460.743651][ T7919]  ? net_namespace+0x12/0x40
[  460.748248][ T7919]  ? device_namespace+0x8d/0xc0
[  460.753091][ T7919]  kobject_add_internal+0x2c8/0x970
[  460.758272][ T7919]  kobject_add+0x16f/0x240
[  460.762674][ T7919]  ? kset_create_and_add+0x190/0x190
[  460.767945][ T7919]  ? do_raw_spin_unlock+0x173/0x230
[  460.773125][ T7919]  ? kobject_put+0xbe/0x440
[  460.777606][ T7919]  ? device_add+0xc35/0x1aa0
[  460.782185][ T7919]  device_add+0x289/0x1aa0
[  460.786589][ T7919]  ? device_initialize+0x510/0x510
[  460.791721][ T7919]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  460.798569][ T7919]  ? __init_waitqueue_head+0xca/0x150
[  460.803944][ T7919]  netdev_register_kobject+0x183/0x3f0
[  460.809449][ T7919]  register_netdevice+0xbe6/0x14b0
[  460.814602][ T7919]  ? lockdep_hardirqs_on+0x7d/0x110
[  460.819818][ T7919]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  460.825721][ T7919]  ? lapbeth_setup+0x170/0x170
[  460.830491][ T7919]  lapbeth_device_event+0x5b8/0xd40
[  460.835704][ T7919]  notifier_call_chain+0xb6/0x3b0
[  460.840744][ T7919]  ? lapbeth_xmit+0x290/0x290
[  460.845436][ T7919]  call_netdevice_notifiers_info+0xbe/0x130
[  460.851334][ T7919]  __dev_notify_flags+0x12d/0x2e0
[  460.856383][ T7919]  ? dev_change_name+0x800/0x800
[  460.861324][ T7919]  ? dev_set_allmulti+0x30/0x30
[  460.866172][ T7919]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  460.872062][ T7919]  ? validate_linkmsg+0x6fc/0x9c0
[  460.877084][ T7919]  rtnl_configure_link+0x1b3/0x260
[  460.882189][ T7919]  ? br_dev_newlink+0xd3/0x110
[  460.886952][ T7919]  __rtnl_newlink+0x11a7/0x1930
[  460.891811][ T7919]  ? rtnl_link_unregister+0x260/0x260
[  460.897199][ T7919]  rtnl_newlink+0x67/0xa0
[  460.901555][ T7919]  ? __rtnl_newlink+0x1930/0x1930
[  460.906592][ T7919]  rtnetlink_rcv_msg+0x3c7/0xe00
[  460.911538][ T7919]  ? rtnl_fill_vf+0x4a0/0x4a0
[  460.916211][ T7919]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  460.922190][ T7919]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  460.928175][ T7919]  netlink_rcv_skb+0x16b/0x440
[  460.932943][ T7919]  ? rtnl_fill_vf+0x4a0/0x4a0
[  460.937621][ T7919]  ? netlink_ack+0x1380/0x1380
[  460.942385][ T7919]  ? lock_sync+0x190/0x190
[  460.946810][ T7919]  ? netlink_deliver_tap+0x1a0/0xd00
[  460.952092][ T7919]  ? _copy_from_iter+0x2c1/0x10f0
[  460.957123][ T7919]  netlink_unicast+0x53b/0x810
[  460.961892][ T7919]  ? netlink_attachskb+0x880/0x880
[  460.967001][ T7919]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  460.972891][ T7919]  ? __phys_addr_symbol+0x30/0x70
[  460.977911][ T7919]  ? __check_object_size+0x323/0x730
[  460.983195][ T7919]  netlink_sendmsg+0x93c/0xe40
[  460.987959][ T7919]  ? netlink_unicast+0x810/0x810
[  460.992900][ T7919]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  460.998190][ T7919]  ? netlink_unicast+0x810/0x810
[  461.003128][ T7919]  __sock_sendmsg+0xd5/0x180
[  461.007714][ T7919]  ____sys_sendmsg+0x6ac/0x940
[  461.012477][ T7919]  ? copy_msghdr_from_user+0x10b/0x160
[  461.017934][ T7919]  ? kernel_sendmsg+0x50/0x50
[  461.022611][ T7919]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  461.028597][ T7919]  ___sys_sendmsg+0x135/0x1d0
[  461.033275][ T7919]  ? do_recvmmsg+0x740/0x740
[  461.037862][ T7919]  ? find_held_lock+0x2d/0x110
[  461.042629][ T7919]  ? preempt_count_sub+0x160/0x160
[  461.047744][ T7919]  ? __fget_light+0x1fc/0x260
[  461.052450][ T7919]  __sys_sendmsg+0x117/0x1e0
[  461.057074][ T7919]  ? __sys_sendmsg_sock+0x30/0x30
[  461.062127][ T7919]  ? syscall_enter_from_user_mode+0x7f/0x120
[  461.068117][ T7919]  do_syscall_64+0x40/0x110
[  461.072622][ T7919]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  461.078515][ T7919] RIP: 0033:0x7ff3fd6020b9
[  461.082927][ T7919] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  461.102531][ T7919] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  461.110938][ T7919] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  461.118901][ T7919] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  461.126868][ T7919] RBP: 0000000000070176 R08: 0000000000000000 R09: 0000000000000006
[  461.134833][ T7919] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  461.142810][ T7919] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  461.150792][ T7919]  </TASK>
[  461.154268][ T7919] kobject: kobject_add_internal failed for lapb10000000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  461.182157][ T7920] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  461.192168][ T7920] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  461.201343][ T7920] CPU: 1 PID: 7920 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  461.211766][ T7920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  461.221841][ T7920] Call Trace:
[  461.225119][ T7920]  <TASK>
[  461.228070][ T7920]  dump_stack_lvl+0x125/0x1b0
[  461.232745][ T7920]  sysfs_warn_dup+0x7f/0xa0
[  461.237242][ T7920]  sysfs_create_dir_ns+0x249/0x2b0
[  461.242348][ T7920]  ? sysfs_create_mount_point+0xb0/0xb0
[  461.247885][ T7920]  ? spin_bug+0x1d0/0x1d0
[  461.252226][ T7920]  ? net_namespace+0x12/0x40
[  461.256808][ T7920]  ? device_namespace+0x8d/0xc0
[  461.261684][ T7920]  kobject_add_internal+0x2c8/0x970
[  461.266906][ T7920]  kobject_add+0x16f/0x240
[  461.271329][ T7920]  ? kset_create_and_add+0x190/0x190
[  461.276617][ T7920]  ? do_raw_spin_unlock+0x173/0x230
[  461.281814][ T7920]  ? kobject_put+0xbe/0x440
[  461.286321][ T7920]  ? device_add+0xc35/0x1aa0
[  461.290913][ T7920]  device_add+0x289/0x1aa0
[  461.295330][ T7920]  ? device_initialize+0x510/0x510
[  461.300449][ T7920]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  461.307300][ T7920]  ? __init_waitqueue_head+0xca/0x150
[  461.312724][ T7920]  netdev_register_kobject+0x183/0x3f0
[  461.318193][ T7920]  register_netdevice+0xbe6/0x14b0
[  461.323310][ T7920]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  461.329205][ T7920]  ? validate_linkmsg+0x6fc/0x9c0
[  461.334230][ T7920]  br_dev_newlink+0x27/0x110
[  461.338818][ T7920]  ? br_changelink+0x1760/0x1760
[  461.343750][ T7920]  __rtnl_newlink+0x1173/0x1930
[  461.348606][ T7920]  ? rtnl_link_unregister+0x260/0x260
[  461.353995][ T7920]  rtnl_newlink+0x67/0xa0
[  461.358326][ T7920]  ? __rtnl_newlink+0x1930/0x1930
[  461.363348][ T7920]  rtnetlink_rcv_msg+0x3c7/0xe00
[  461.368285][ T7920]  ? rtnl_fill_vf+0x4a0/0x4a0
[  461.372958][ T7920]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  461.378961][ T7920]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  461.384947][ T7920]  netlink_rcv_skb+0x16b/0x440
[  461.389734][ T7920]  ? rtnl_fill_vf+0x4a0/0x4a0
[  461.394418][ T7920]  ? netlink_ack+0x1380/0x1380
[  461.399187][ T7920]  ? lock_sync+0x190/0x190
[  461.403618][ T7920]  ? netlink_deliver_tap+0x1a0/0xd00
[  461.408904][ T7920]  ? _copy_from_iter+0x2c1/0x10f0
[  461.413954][ T7920]  netlink_unicast+0x53b/0x810
[  461.418725][ T7920]  ? netlink_attachskb+0x880/0x880
[  461.423835][ T7920]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  461.429726][ T7920]  ? __phys_addr_symbol+0x30/0x70
[  461.434746][ T7920]  ? __check_object_size+0x323/0x730
[  461.440029][ T7920]  netlink_sendmsg+0x93c/0xe40
[  461.444801][ T7920]  ? netlink_unicast+0x810/0x810
[  461.449741][ T7920]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  461.455026][ T7920]  ? netlink_unicast+0x810/0x810
[  461.460233][ T7920]  __sock_sendmsg+0xd5/0x180
[  461.464823][ T7920]  ____sys_sendmsg+0x6ac/0x940
[  461.469582][ T7920]  ? copy_msghdr_from_user+0x10b/0x160
[  461.475046][ T7920]  ? kernel_sendmsg+0x50/0x50
[  461.479814][ T7920]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  461.485805][ T7920]  ___sys_sendmsg+0x135/0x1d0
[  461.490490][ T7920]  ? do_recvmmsg+0x740/0x740
[  461.495080][ T7920]  ? find_held_lock+0x2d/0x110
[  461.499859][ T7920]  ? preempt_count_sub+0x160/0x160
[  461.504977][ T7920]  ? __fget_light+0x1fc/0x260
[  461.509652][ T7920]  __sys_sendmsg+0x117/0x1e0
[  461.514247][ T7920]  ? __sys_sendmsg_sock+0x30/0x30
[  461.519279][ T7920]  ? syscall_enter_from_user_mode+0x7f/0x120
[  461.525299][ T7920]  do_syscall_64+0x40/0x110
[  461.529801][ T7920]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  461.535702][ T7920] RIP: 0033:0x7ff3fd6020b9
[  461.540107][ T7920] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  461.559732][ T7920] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  461.568144][ T7920] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  461.576112][ T7920] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  461.584079][ T7920] RBP: 0000000000070571 R08: 0000000000000000 R09: 0000000000000006
[  461.592047][ T7920] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  461.600030][ T7920] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  461.608014][ T7920]  </TASK>
[  461.611705][ T7920] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  461.663342][ T7920] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  461.672515][ T7920] CPU: 1 PID: 7920 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  461.682914][ T7920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  461.693070][ T7920] Call Trace:
[  461.696340][ T7920]  <TASK>
[  461.699262][ T7920]  dump_stack_lvl+0x125/0x1b0
[  461.703937][ T7920]  sysfs_warn_dup+0x7f/0xa0
[  461.708446][ T7920]  sysfs_create_dir_ns+0x249/0x2b0
[  461.713570][ T7920]  ? sysfs_create_mount_point+0xb0/0xb0
[  461.719106][ T7920]  ? spin_bug+0x1d0/0x1d0
[  461.723445][ T7920]  ? net_namespace+0x12/0x40
[  461.728055][ T7920]  ? device_namespace+0x8d/0xc0
[  461.732909][ T7920]  kobject_add_internal+0x2c8/0x970
[  461.738112][ T7920]  kobject_add+0x16f/0x240
[  461.742528][ T7920]  ? kset_create_and_add+0x190/0x190
[  461.747815][ T7920]  ? do_raw_spin_unlock+0x173/0x230
[  461.753007][ T7920]  ? kobject_put+0xbe/0x440
[  461.757511][ T7920]  ? device_add+0xc35/0x1aa0
[  461.762100][ T7920]  device_add+0x289/0x1aa0
[  461.766517][ T7920]  ? device_initialize+0x510/0x510
[  461.771624][ T7920]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  461.778473][ T7920]  ? __init_waitqueue_head+0xca/0x150
[  461.783849][ T7920]  netdev_register_kobject+0x183/0x3f0
[  461.789312][ T7920]  register_netdevice+0xbe6/0x14b0
[  461.794451][ T7920]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  461.800365][ T7920]  ? validate_linkmsg+0x6fc/0x9c0
[  461.805387][ T7920]  br_dev_newlink+0x27/0x110
[  461.809981][ T7920]  ? br_changelink+0x1760/0x1760
[  461.814915][ T7920]  __rtnl_newlink+0x1173/0x1930
[  461.819773][ T7920]  ? rtnl_link_unregister+0x260/0x260
[  461.825158][ T7920]  rtnl_newlink+0x67/0xa0
[  461.829486][ T7920]  ? __rtnl_newlink+0x1930/0x1930
[  461.834509][ T7920]  rtnetlink_rcv_msg+0x3c7/0xe00
[  461.839446][ T7920]  ? rtnl_fill_vf+0x4a0/0x4a0
[  461.844119][ T7920]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  461.850099][ T7920]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  461.856172][ T7920]  netlink_rcv_skb+0x16b/0x440
[  461.860942][ T7920]  ? rtnl_fill_vf+0x4a0/0x4a0
[  461.865618][ T7920]  ? netlink_ack+0x1380/0x1380
[  461.870381][ T7920]  ? lock_sync+0x190/0x190
[  461.874810][ T7920]  ? netlink_deliver_tap+0x1a0/0xd00
[  461.880091][ T7920]  ? _copy_from_iter+0x2c1/0x10f0
[  461.885121][ T7920]  netlink_unicast+0x53b/0x810
[  461.889894][ T7920]  ? netlink_attachskb+0x880/0x880
[  461.895014][ T7920]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  461.900945][ T7920]  ? __phys_addr_symbol+0x30/0x70
[  461.905968][ T7920]  ? __check_object_size+0x323/0x730
[  461.911255][ T7920]  netlink_sendmsg+0x93c/0xe40
[  461.916030][ T7920]  ? netlink_unicast+0x810/0x810
[  461.920969][ T7920]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  461.926275][ T7920]  ? netlink_unicast+0x810/0x810
[  461.931236][ T7920]  __sock_sendmsg+0xd5/0x180
[  461.935823][ T7920]  ____sys_sendmsg+0x6ac/0x940
[  461.940581][ T7920]  ? copy_msghdr_from_user+0x10b/0x160
[  461.946037][ T7920]  ? kernel_sendmsg+0x50/0x50
[  461.950720][ T7920]  ___sys_sendmsg+0x135/0x1d0
[  461.955397][ T7920]  ? do_recvmmsg+0x740/0x740
[  461.959991][ T7920]  ? find_held_lock+0x2d/0x110
[  461.964768][ T7920]  ? preempt_count_sub+0x160/0x160
[  461.969882][ T7920]  ? __fget_light+0x1fc/0x260
[  461.974556][ T7920]  __sys_sendmsg+0x117/0x1e0
[  461.979495][ T7920]  ? __sys_sendmsg_sock+0x30/0x30
[  461.984551][ T7920]  ? syscall_enter_from_user_mode+0x7f/0x120
[  461.990537][ T7920]  do_syscall_64+0x40/0x110
[  461.995068][ T7920]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  462.000963][ T7920] RIP: 0033:0x7ff3fd6020b9
[  462.005391][ T7920] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  462.024997][ T7920] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  462.033403][ T7920] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  462.041401][ T7920] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  462.049386][ T7920] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  462.057347][ T7920] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  462.065312][ T7920] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  462.073284][ T7920]  </TASK>
[  462.077735][ T7920] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  462.140304][ T7921] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  462.150400][ T7921] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  462.159613][ T7921] CPU: 0 PID: 7921 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  462.170030][ T7921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  462.180069][ T7921] Call Trace:
[  462.183334][ T7921]  <TASK>
[  462.186249][ T7921]  dump_stack_lvl+0x125/0x1b0
[  462.190915][ T7921]  sysfs_warn_dup+0x7f/0xa0
[  462.195427][ T7921]  sysfs_create_dir_ns+0x249/0x2b0
[  462.200521][ T7921]  ? sysfs_create_mount_point+0xb0/0xb0
[  462.206051][ T7921]  ? spin_bug+0x1d0/0x1d0
[  462.210360][ T7921]  ? net_namespace+0x12/0x40
[  462.214967][ T7921]  ? device_namespace+0x8d/0xc0
[  462.219829][ T7921]  kobject_add_internal+0x2c8/0x970
[  462.225028][ T7921]  kobject_add+0x16f/0x240
[  462.229436][ T7921]  ? kset_create_and_add+0x190/0x190
[  462.234706][ T7921]  ? do_raw_spin_unlock+0x173/0x230
[  462.239885][ T7921]  ? kobject_put+0xbe/0x440
[  462.244376][ T7921]  ? device_add+0xc35/0x1aa0
[  462.248952][ T7921]  device_add+0x289/0x1aa0
[  462.253355][ T7921]  ? device_initialize+0x510/0x510
[  462.258452][ T7921]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  462.265286][ T7921]  ? __init_waitqueue_head+0xca/0x150
[  462.270650][ T7921]  netdev_register_kobject+0x183/0x3f0
[  462.276098][ T7921]  register_netdevice+0xbe6/0x14b0
[  462.281206][ T7921]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  462.287091][ T7921]  ? validate_linkmsg+0x6fc/0x9c0
[  462.292099][ T7921]  br_dev_newlink+0x27/0x110
[  462.296674][ T7921]  ? br_changelink+0x1760/0x1760
[  462.301594][ T7921]  __rtnl_newlink+0x1173/0x1930
[  462.306454][ T7921]  ? rtnl_link_unregister+0x260/0x260
[  462.311825][ T7921]  rtnl_newlink+0x67/0xa0
[  462.316141][ T7921]  ? __rtnl_newlink+0x1930/0x1930
[  462.321161][ T7921]  rtnetlink_rcv_msg+0x3c7/0xe00
[  462.326115][ T7921]  ? rtnl_fill_vf+0x4a0/0x4a0
[  462.330774][ T7921]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  462.336768][ T7921]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  462.342750][ T7921]  netlink_rcv_skb+0x16b/0x440
[  462.347505][ T7921]  ? rtnl_fill_vf+0x4a0/0x4a0
[  462.352167][ T7921]  ? netlink_ack+0x1380/0x1380
[  462.356912][ T7921]  ? lock_sync+0x190/0x190
[  462.361323][ T7921]  ? netlink_deliver_tap+0x1a0/0xd00
[  462.366596][ T7921]  ? _copy_from_iter+0x2c1/0x10f0
[  462.371610][ T7921]  netlink_unicast+0x53b/0x810
[  462.376361][ T7921]  ? netlink_attachskb+0x880/0x880
[  462.381479][ T7921]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  462.387359][ T7921]  ? __phys_addr_symbol+0x30/0x70
[  462.392365][ T7921]  ? __check_object_size+0x323/0x730
[  462.397634][ T7921]  netlink_sendmsg+0x93c/0xe40
[  462.402478][ T7921]  ? netlink_unicast+0x810/0x810
[  462.407404][ T7921]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  462.412777][ T7921]  ? netlink_unicast+0x810/0x810
[  462.417698][ T7921]  __sock_sendmsg+0xd5/0x180
[  462.422273][ T7921]  ____sys_sendmsg+0x6ac/0x940
[  462.427021][ T7921]  ? copy_msghdr_from_user+0x10b/0x160
[  462.432464][ T7921]  ? kernel_sendmsg+0x50/0x50
[  462.437128][ T7921]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  462.443099][ T7921]  ___sys_sendmsg+0x135/0x1d0
[  462.447765][ T7921]  ? do_recvmmsg+0x740/0x740
[  462.452339][ T7921]  ? find_held_lock+0x2d/0x110
[  462.457096][ T7921]  ? preempt_count_sub+0x160/0x160
[  462.462201][ T7921]  ? __fget_light+0x1fc/0x260
[  462.466862][ T7921]  __sys_sendmsg+0x117/0x1e0
[  462.471463][ T7921]  ? __sys_sendmsg_sock+0x30/0x30
[  462.476509][ T7921]  ? syscall_enter_from_user_mode+0x7f/0x120
[  462.482482][ T7921]  do_syscall_64+0x40/0x110
[  462.486968][ T7921]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  462.492852][ T7921] RIP: 0033:0x7ff3fd6020b9
[  462.497250][ T7921] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  462.516839][ T7921] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  462.525231][ T7921] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  462.533184][ T7921] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  462.541137][ T7921] RBP: 0000000000070967 R08: 0000000000000000 R09: 0000000000000006
[  462.549089][ T7921] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  462.557043][ T7921] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  462.565007][ T7921]  </TASK>
[  462.569058][ T7921] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  462.625093][ T7921] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  462.634610][ T7921] CPU: 0 PID: 7921 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  462.645042][ T7921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  462.655262][ T7921] Call Trace:
[  462.658533][ T7921]  <TASK>
[  462.661466][ T7921]  dump_stack_lvl+0x125/0x1b0
[  462.666146][ T7921]  sysfs_warn_dup+0x7f/0xa0
[  462.670652][ T7921]  sysfs_create_dir_ns+0x249/0x2b0
[  462.675777][ T7921]  ? sysfs_create_mount_point+0xb0/0xb0
[  462.681311][ T7921]  ? spin_bug+0x1d0/0x1d0
[  462.685629][ T7921]  ? net_namespace+0x12/0x40
[  462.690207][ T7921]  ? device_namespace+0x8d/0xc0
[  462.695077][ T7921]  kobject_add_internal+0x2c8/0x970
[  462.700272][ T7921]  kobject_add+0x16f/0x240
[  462.704678][ T7921]  ? kset_create_and_add+0x190/0x190
[  462.709975][ T7921]  ? do_raw_spin_unlock+0x173/0x230
[  462.715187][ T7921]  ? kobject_put+0xbe/0x440
[  462.719682][ T7921]  ? device_add+0xc35/0x1aa0
[  462.724264][ T7921]  device_add+0x289/0x1aa0
[  462.728672][ T7921]  ? device_initialize+0x510/0x510
[  462.733771][ T7921]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  462.740612][ T7921]  ? __init_waitqueue_head+0xca/0x150
[  462.746005][ T7921]  netdev_register_kobject+0x183/0x3f0
[  462.751458][ T7921]  register_netdevice+0xbe6/0x14b0
[  462.756569][ T7921]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  462.762454][ T7921]  ? validate_linkmsg+0x6fc/0x9c0
[  462.767503][ T7921]  br_dev_newlink+0x27/0x110
[  462.772084][ T7921]  ? br_changelink+0x1760/0x1760
[  462.777010][ T7921]  __rtnl_newlink+0x1173/0x1930
[  462.781866][ T7921]  ? rtnl_link_unregister+0x260/0x260
[  462.787246][ T7921]  rtnl_newlink+0x67/0xa0
[  462.791571][ T7921]  ? __rtnl_newlink+0x1930/0x1930
[  462.796602][ T7921]  rtnetlink_rcv_msg+0x3c7/0xe00
[  462.801554][ T7921]  ? rtnl_fill_vf+0x4a0/0x4a0
[  462.806234][ T7921]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  462.812214][ T7921]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  462.818196][ T7921]  netlink_rcv_skb+0x16b/0x440
[  462.822956][ T7921]  ? rtnl_fill_vf+0x4a0/0x4a0
[  462.827637][ T7921]  ? netlink_ack+0x1380/0x1380
[  462.832398][ T7921]  ? lock_sync+0x190/0x190
[  462.836815][ T7921]  ? netlink_deliver_tap+0x1a0/0xd00
[  462.842091][ T7921]  ? _copy_from_iter+0x2c1/0x10f0
[  462.847112][ T7921]  netlink_unicast+0x53b/0x810
[  462.851869][ T7921]  ? netlink_attachskb+0x880/0x880
[  462.856992][ T7921]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  462.862882][ T7921]  ? __phys_addr_symbol+0x30/0x70
[  462.867899][ T7921]  ? __check_object_size+0x323/0x730
[  462.873208][ T7921]  netlink_sendmsg+0x93c/0xe40
[  462.877993][ T7921]  ? netlink_unicast+0x810/0x810
[  462.882932][ T7921]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  462.888210][ T7921]  ? netlink_unicast+0x810/0x810
[  462.893146][ T7921]  __sock_sendmsg+0xd5/0x180
[  462.897736][ T7921]  ____sys_sendmsg+0x6ac/0x940
[  462.902497][ T7921]  ? copy_msghdr_from_user+0x10b/0x160
[  462.907948][ T7921]  ? kernel_sendmsg+0x50/0x50
[  462.912630][ T7921]  ___sys_sendmsg+0x135/0x1d0
[  462.917309][ T7921]  ? do_recvmmsg+0x740/0x740
[  462.921893][ T7921]  ? find_held_lock+0x2d/0x110
[  462.926660][ T7921]  ? preempt_count_sub+0x160/0x160
[  462.931776][ T7921]  ? __fget_light+0x1fc/0x260
[  462.936448][ T7921]  __sys_sendmsg+0x117/0x1e0
[  462.941036][ T7921]  ? __sys_sendmsg_sock+0x30/0x30
[  462.946061][ T7921]  ? syscall_enter_from_user_mode+0x7f/0x120
[  462.952041][ T7921]  do_syscall_64+0x40/0x110
[  462.956543][ T7921]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  462.962436][ T7921] RIP: 0033:0x7ff3fd6020b9
[  462.966846][ T7921] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  462.986463][ T7921] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  462.994875][ T7921] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  463.002849][ T7921] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  463.010826][ T7921] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  463.018798][ T7921] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  463.026770][ T7921] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  463.034751][ T7921]  </TASK>
[  463.038061][ T7921] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  463.096930][ T7922] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  463.107126][ T7922] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  463.116318][ T7922] CPU: 0 PID: 7922 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  463.126755][ T7922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  463.136809][ T7922] Call Trace:
[  463.140088][ T7922]  <TASK>
[  463.143020][ T7922]  dump_stack_lvl+0x125/0x1b0
[  463.147713][ T7922]  sysfs_warn_dup+0x7f/0xa0
[  463.152240][ T7922]  sysfs_create_dir_ns+0x249/0x2b0
[  463.157343][ T7922]  ? sysfs_create_mount_point+0xb0/0xb0
[  463.162893][ T7922]  ? spin_bug+0x1d0/0x1d0
[  463.167212][ T7922]  ? net_namespace+0x12/0x40
[  463.171808][ T7922]  ? device_namespace+0x8d/0xc0
[  463.176660][ T7922]  kobject_add_internal+0x2c8/0x970
[  463.181962][ T7922]  kobject_add+0x16f/0x240
[  463.186395][ T7922]  ? kset_create_and_add+0x190/0x190
[  463.191722][ T7922]  ? do_raw_spin_unlock+0x173/0x230
[  463.196935][ T7922]  ? kobject_put+0xbe/0x440
[  463.201468][ T7922]  ? device_add+0xc35/0x1aa0
[  463.206089][ T7922]  device_add+0x289/0x1aa0
[  463.210526][ T7922]  ? device_initialize+0x510/0x510
[  463.215656][ T7922]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  463.222535][ T7922]  ? __init_waitqueue_head+0xca/0x150
[  463.227937][ T7922]  netdev_register_kobject+0x183/0x3f0
[  463.233423][ T7922]  register_netdevice+0xbe6/0x14b0
[  463.238562][ T7922]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  463.244466][ T7922]  ? validate_linkmsg+0x6fc/0x9c0
[  463.249508][ T7922]  br_dev_newlink+0x27/0x110
[  463.254096][ T7922]  ? br_changelink+0x1760/0x1760
[  463.259027][ T7922]  __rtnl_newlink+0x1173/0x1930
[  463.263883][ T7922]  ? rtnl_link_unregister+0x260/0x260
[  463.269264][ T7922]  rtnl_newlink+0x67/0xa0
[  463.273589][ T7922]  ? __rtnl_newlink+0x1930/0x1930
[  463.278611][ T7922]  rtnetlink_rcv_msg+0x3c7/0xe00
[  463.283579][ T7922]  ? rtnl_fill_vf+0x4a0/0x4a0
[  463.288253][ T7922]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  463.294232][ T7922]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  463.300240][ T7922]  netlink_rcv_skb+0x16b/0x440
[  463.305007][ T7922]  ? rtnl_fill_vf+0x4a0/0x4a0
[  463.309683][ T7922]  ? netlink_ack+0x1380/0x1380
[  463.314449][ T7922]  ? lock_sync+0x190/0x190
[  463.318871][ T7922]  ? netlink_deliver_tap+0x1a0/0xd00
[  463.324154][ T7922]  ? _copy_from_iter+0x2c1/0x10f0
[  463.329176][ T7922]  netlink_unicast+0x53b/0x810
[  463.333944][ T7922]  ? netlink_attachskb+0x880/0x880
[  463.339053][ T7922]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  463.344946][ T7922]  ? __phys_addr_symbol+0x30/0x70
[  463.349967][ T7922]  ? __check_object_size+0x323/0x730
[  463.355250][ T7922]  netlink_sendmsg+0x93c/0xe40
[  463.360015][ T7922]  ? netlink_unicast+0x810/0x810
[  463.364957][ T7922]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  463.370241][ T7922]  ? netlink_unicast+0x810/0x810
[  463.375187][ T7922]  __sock_sendmsg+0xd5/0x180
[  463.379789][ T7922]  ____sys_sendmsg+0x6ac/0x940
[  463.384548][ T7922]  ? copy_msghdr_from_user+0x10b/0x160
[  463.390000][ T7922]  ? kernel_sendmsg+0x50/0x50
[  463.394669][ T7922]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  463.400652][ T7922]  ___sys_sendmsg+0x135/0x1d0
[  463.405349][ T7922]  ? do_recvmmsg+0x740/0x740
[  463.409954][ T7922]  ? find_held_lock+0x2d/0x110
[  463.414719][ T7922]  ? preempt_count_sub+0x160/0x160
[  463.419826][ T7922]  ? __fget_light+0x1fc/0x260
[  463.424496][ T7922]  __sys_sendmsg+0x117/0x1e0
[  463.429077][ T7922]  ? __sys_sendmsg_sock+0x30/0x30
[  463.434111][ T7922]  ? syscall_enter_from_user_mode+0x7f/0x120
[  463.440087][ T7922]  do_syscall_64+0x40/0x110
[  463.444584][ T7922]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  463.450475][ T7922] RIP: 0033:0x7ff3fd6020b9
[  463.454883][ T7922] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  463.474486][ T7922] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.482892][ T7922] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  463.490868][ T7922] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  463.498857][ T7922] RBP: 0000000000070d25 R08: 0000000000000000 R09: 0000000000000006
[  463.506822][ T7922] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  463.514790][ T7922] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  463.522765][ T7922]  </TASK>
[  463.529028][ T7922] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  463.575614][ T7922] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  463.585430][ T7922] CPU: 0 PID: 7922 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  463.595865][ T7922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  463.605937][ T7922] Call Trace:
[  463.609228][ T7922]  <TASK>
[  463.612173][ T7922]  dump_stack_lvl+0x125/0x1b0
[  463.616871][ T7922]  sysfs_warn_dup+0x7f/0xa0
[  463.621404][ T7922]  sysfs_create_dir_ns+0x249/0x2b0
[  463.626538][ T7922]  ? sysfs_create_mount_point+0xb0/0xb0
[  463.632101][ T7922]  ? spin_bug+0x1d0/0x1d0
[  463.636445][ T7922]  ? net_namespace+0x12/0x40
[  463.641094][ T7922]  ? device_namespace+0x8d/0xc0
[  463.645979][ T7922]  kobject_add_internal+0x2c8/0x970
[  463.651194][ T7922]  kobject_add+0x16f/0x240
[  463.655605][ T7922]  ? kset_create_and_add+0x190/0x190
[  463.660884][ T7922]  ? do_raw_spin_unlock+0x173/0x230
[  463.666080][ T7922]  ? kobject_put+0xbe/0x440
[  463.670574][ T7922]  ? device_add+0xc35/0x1aa0
[  463.675158][ T7922]  device_add+0x289/0x1aa0
[  463.679573][ T7922]  ? device_initialize+0x510/0x510
[  463.684687][ T7922]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  463.691576][ T7922]  ? __init_waitqueue_head+0xca/0x150
[  463.696969][ T7922]  netdev_register_kobject+0x183/0x3f0
[  463.702444][ T7922]  register_netdevice+0xbe6/0x14b0
[  463.707585][ T7922]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  463.713469][ T7922]  ? validate_linkmsg+0x6fc/0x9c0
[  463.718488][ T7922]  br_dev_newlink+0x27/0x110
[  463.723072][ T7922]  ? br_changelink+0x1760/0x1760
[  463.728000][ T7922]  __rtnl_newlink+0x1173/0x1930
[  463.732847][ T7922]  ? rtnl_link_unregister+0x260/0x260
[  463.738226][ T7922]  rtnl_newlink+0x67/0xa0
[  463.742549][ T7922]  ? __rtnl_newlink+0x1930/0x1930
[  463.747563][ T7922]  rtnetlink_rcv_msg+0x3c7/0xe00
[  463.752494][ T7922]  ? rtnl_fill_vf+0x4a0/0x4a0
[  463.757161][ T7922]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  463.763136][ T7922]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  463.769114][ T7922]  netlink_rcv_skb+0x16b/0x440
[  463.773878][ T7922]  ? rtnl_fill_vf+0x4a0/0x4a0
[  463.778558][ T7922]  ? netlink_ack+0x1380/0x1380
[  463.783317][ T7922]  ? lock_sync+0x190/0x190
[  463.787737][ T7922]  ? netlink_deliver_tap+0x1a0/0xd00
[  463.793040][ T7922]  ? _copy_from_iter+0x2c1/0x10f0
[  463.798061][ T7922]  netlink_unicast+0x53b/0x810
[  463.802822][ T7922]  ? netlink_attachskb+0x880/0x880
[  463.807926][ T7922]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  463.813813][ T7922]  ? __phys_addr_symbol+0x30/0x70
[  463.818831][ T7922]  ? __check_object_size+0x323/0x730
[  463.824110][ T7922]  netlink_sendmsg+0x93c/0xe40
[  463.828872][ T7922]  ? netlink_unicast+0x810/0x810
[  463.833953][ T7922]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  463.839289][ T7922]  ? netlink_unicast+0x810/0x810
[  463.844241][ T7922]  __sock_sendmsg+0xd5/0x180
[  463.848836][ T7922]  ____sys_sendmsg+0x6ac/0x940
[  463.853622][ T7922]  ? copy_msghdr_from_user+0x10b/0x160
[  463.859092][ T7922]  ? kernel_sendmsg+0x50/0x50
[  463.863783][ T7922]  ___sys_sendmsg+0x135/0x1d0
[  463.868465][ T7922]  ? do_recvmmsg+0x740/0x740
[  463.873059][ T7922]  ? find_held_lock+0x2d/0x110
[  463.877852][ T7922]  ? preempt_count_sub+0x160/0x160
[  463.882966][ T7922]  ? __fget_light+0x1fc/0x260
[  463.887640][ T7922]  __sys_sendmsg+0x117/0x1e0
[  463.892253][ T7922]  ? __sys_sendmsg_sock+0x30/0x30
[  463.897285][ T7922]  ? syscall_enter_from_user_mode+0x7f/0x120
[  463.903286][ T7922]  do_syscall_64+0x40/0x110
[  463.907813][ T7922]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  463.913711][ T7922] RIP: 0033:0x7ff3fd6020b9
[  463.918122][ T7922] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  463.937731][ T7922] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.946139][ T7922] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  463.954110][ T7922] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  463.962078][ T7922] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  463.970042][ T7922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  463.978007][ T7922] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  463.985977][ T7922]  </TASK>
[  463.993553][ T7922] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  464.030210][ T7926] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  464.041897][ T7926] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  464.051238][ T7926] CPU: 1 PID: 7926 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  464.061673][ T7926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  464.071748][ T7926] Call Trace:
[  464.075029][ T7926]  <TASK>
[  464.078037][ T7926]  dump_stack_lvl+0x125/0x1b0
[  464.082733][ T7926]  sysfs_warn_dup+0x7f/0xa0
[  464.087245][ T7926]  sysfs_create_dir_ns+0x249/0x2b0
[  464.092355][ T7926]  ? sysfs_create_mount_point+0xb0/0xb0
[  464.097898][ T7926]  ? spin_bug+0x1d0/0x1d0
[  464.102222][ T7926]  ? net_namespace+0x12/0x40
[  464.106813][ T7926]  ? device_namespace+0x8d/0xc0
[  464.111667][ T7926]  kobject_add_internal+0x2c8/0x970
[  464.116853][ T7926]  kobject_add+0x16f/0x240
[  464.121273][ T7926]  ? kset_create_and_add+0x190/0x190
[  464.126548][ T7926]  ? do_raw_spin_unlock+0x173/0x230
[  464.131730][ T7926]  ? kobject_put+0xbe/0x440
[  464.136217][ T7926]  ? device_add+0xc35/0x1aa0
[  464.140795][ T7926]  device_add+0x289/0x1aa0
[  464.145199][ T7926]  ? device_initialize+0x510/0x510
[  464.150289][ T7926]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  464.157124][ T7926]  ? __init_waitqueue_head+0xca/0x150
[  464.162487][ T7926]  netdev_register_kobject+0x183/0x3f0
[  464.167943][ T7926]  register_netdevice+0xbe6/0x14b0
[  464.173047][ T7926]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  464.178932][ T7926]  ? validate_linkmsg+0x6fc/0x9c0
[  464.183942][ T7926]  br_dev_newlink+0x27/0x110
[  464.188518][ T7926]  ? br_changelink+0x1760/0x1760
[  464.193443][ T7926]  __rtnl_newlink+0x1173/0x1930
[  464.198290][ T7926]  ? rtnl_link_unregister+0x260/0x260
[  464.203664][ T7926]  rtnl_newlink+0x67/0xa0
[  464.207999][ T7926]  ? __rtnl_newlink+0x1930/0x1930
[  464.213009][ T7926]  rtnetlink_rcv_msg+0x3c7/0xe00
[  464.217932][ T7926]  ? rtnl_fill_vf+0x4a0/0x4a0
[  464.222594][ T7926]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  464.228563][ T7926]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  464.234533][ T7926]  netlink_rcv_skb+0x16b/0x440
[  464.239285][ T7926]  ? rtnl_fill_vf+0x4a0/0x4a0
[  464.243945][ T7926]  ? netlink_ack+0x1380/0x1380
[  464.248697][ T7926]  ? lock_sync+0x190/0x190
[  464.253109][ T7926]  ? netlink_deliver_tap+0x1a0/0xd00
[  464.258376][ T7926]  ? _copy_from_iter+0x2c1/0x10f0
[  464.263423][ T7926]  netlink_unicast+0x53b/0x810
[  464.268199][ T7926]  ? netlink_attachskb+0x880/0x880
[  464.273306][ T7926]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  464.279216][ T7926]  ? __phys_addr_symbol+0x30/0x70
[  464.284235][ T7926]  ? __check_object_size+0x323/0x730
[  464.289510][ T7926]  netlink_sendmsg+0x93c/0xe40
[  464.294265][ T7926]  ? netlink_unicast+0x810/0x810
[  464.299193][ T7926]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  464.304469][ T7926]  ? netlink_unicast+0x810/0x810
[  464.309403][ T7926]  __sock_sendmsg+0xd5/0x180
[  464.313986][ T7926]  ____sys_sendmsg+0x6ac/0x940
[  464.318742][ T7926]  ? copy_msghdr_from_user+0x10b/0x160
[  464.324220][ T7926]  ? kernel_sendmsg+0x50/0x50
[  464.328887][ T7926]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  464.334886][ T7926]  ___sys_sendmsg+0x135/0x1d0
[  464.339553][ T7926]  ? do_recvmmsg+0x740/0x740
[  464.344130][ T7926]  ? find_held_lock+0x2d/0x110
[  464.348885][ T7926]  ? preempt_count_sub+0x160/0x160
[  464.353989][ T7926]  ? __fget_light+0x1fc/0x260
[  464.358654][ T7926]  __sys_sendmsg+0x117/0x1e0
[  464.363236][ T7926]  ? __sys_sendmsg_sock+0x30/0x30
[  464.368251][ T7926]  ? xfd_validate_state+0x5d/0x180
[  464.373362][ T7926]  ? syscall_enter_from_user_mode+0x7f/0x120
[  464.379332][ T7926]  do_syscall_64+0x40/0x110
[  464.383824][ T7926]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  464.389704][ T7926] RIP: 0033:0x7ff3fd6020b9
[  464.394099][ T7926] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  464.413784][ T7926] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  464.422183][ T7926] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  464.430140][ T7926] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  464.438100][ T7926] RBP: 00000000000710e2 R08: 0000000000000000 R09: 0000000000000006
[  464.446057][ T7926] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  464.454019][ T7926] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  464.461986][ T7926]  </TASK>
[  464.465748][ T7926] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  464.513629][ T7926] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  464.523739][ T7926] CPU: 1 PID: 7926 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  464.534187][ T7926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  464.544232][ T7926] Call Trace:
[  464.547502][ T7926]  <TASK>
[  464.550424][ T7926]  dump_stack_lvl+0x125/0x1b0
[  464.555102][ T7926]  sysfs_warn_dup+0x7f/0xa0
[  464.559607][ T7926]  sysfs_create_dir_ns+0x249/0x2b0
[  464.564716][ T7926]  ? sysfs_create_mount_point+0xb0/0xb0
[  464.570265][ T7926]  ? spin_bug+0x1d0/0x1d0
[  464.574587][ T7926]  ? net_namespace+0x12/0x40
[  464.579204][ T7926]  ? device_namespace+0x8d/0xc0
[  464.584083][ T7926]  kobject_add_internal+0x2c8/0x970
[  464.589280][ T7926]  kobject_add+0x16f/0x240
[  464.593694][ T7926]  ? kset_create_and_add+0x190/0x190
[  464.598996][ T7926]  ? do_raw_spin_unlock+0x173/0x230
[  464.604183][ T7926]  ? kobject_put+0xbe/0x440
[  464.608678][ T7926]  ? device_add+0xc35/0x1aa0
[  464.613261][ T7926]  device_add+0x289/0x1aa0
[  464.617671][ T7926]  ? device_initialize+0x510/0x510
[  464.622771][ T7926]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  464.629611][ T7926]  ? __init_waitqueue_head+0xca/0x150
[  464.634985][ T7926]  netdev_register_kobject+0x183/0x3f0
[  464.640452][ T7926]  register_netdevice+0xbe6/0x14b0
[  464.645560][ T7926]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  464.651447][ T7926]  ? validate_linkmsg+0x6fc/0x9c0
[  464.656488][ T7926]  br_dev_newlink+0x27/0x110
[  464.661078][ T7926]  ? br_changelink+0x1760/0x1760
[  464.666006][ T7926]  __rtnl_newlink+0x1173/0x1930
[  464.670856][ T7926]  ? rtnl_link_unregister+0x260/0x260
[  464.676231][ T7926]  rtnl_newlink+0x67/0xa0
[  464.680553][ T7926]  ? __rtnl_newlink+0x1930/0x1930
[  464.685566][ T7926]  rtnetlink_rcv_msg+0x3c7/0xe00
[  464.690520][ T7926]  ? rtnl_fill_vf+0x4a0/0x4a0
[  464.695201][ T7926]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  464.701182][ T7926]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  464.707174][ T7926]  netlink_rcv_skb+0x16b/0x440
[  464.711939][ T7926]  ? rtnl_fill_vf+0x4a0/0x4a0
[  464.716606][ T7926]  ? netlink_ack+0x1380/0x1380
[  464.721365][ T7926]  ? lock_sync+0x190/0x190
[  464.725783][ T7926]  ? netlink_deliver_tap+0x1a0/0xd00
[  464.731063][ T7926]  ? _copy_from_iter+0x2c1/0x10f0
[  464.736086][ T7926]  netlink_unicast+0x53b/0x810
[  464.740849][ T7926]  ? netlink_attachskb+0x880/0x880
[  464.745952][ T7926]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  464.751836][ T7926]  ? __phys_addr_symbol+0x30/0x70
[  464.756852][ T7926]  ? __check_object_size+0x323/0x730
[  464.762128][ T7926]  netlink_sendmsg+0x93c/0xe40
[  464.766889][ T7926]  ? netlink_unicast+0x810/0x810
[  464.771822][ T7926]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  464.777096][ T7926]  ? netlink_unicast+0x810/0x810
[  464.782027][ T7926]  __sock_sendmsg+0xd5/0x180
[  464.786610][ T7926]  ____sys_sendmsg+0x6ac/0x940
[  464.791375][ T7926]  ? copy_msghdr_from_user+0x10b/0x160
[  464.796831][ T7926]  ? kernel_sendmsg+0x50/0x50
[  464.801505][ T7926]  ___sys_sendmsg+0x135/0x1d0
[  464.806177][ T7926]  ? do_recvmmsg+0x740/0x740
[  464.810760][ T7926]  ? find_held_lock+0x2d/0x110
[  464.815544][ T7926]  ? preempt_count_sub+0x160/0x160
[  464.820674][ T7926]  ? __fget_light+0x1fc/0x260
[  464.825362][ T7926]  __sys_sendmsg+0x117/0x1e0
[  464.829957][ T7926]  ? __sys_sendmsg_sock+0x30/0x30
[  464.834996][ T7926]  ? xfd_validate_state+0x5d/0x180
[  464.840120][ T7926]  ? syscall_enter_from_user_mode+0x7f/0x120
[  464.846105][ T7926]  do_syscall_64+0x40/0x110
[  464.850602][ T7926]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  464.856503][ T7926] RIP: 0033:0x7ff3fd6020b9
[  464.860940][ T7926] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  464.880565][ T7926] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  464.888965][ T7926] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  464.896926][ T7926] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  464.904905][ T7926] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  464.912909][ T7926] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  464.920887][ T7926] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  464.928878][ T7926]  </TASK>
[  464.933450][ T7926] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  464.958420][ T7929] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  464.968806][ T7929] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  464.978485][ T7929] CPU: 0 PID: 7929 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  464.988925][ T7929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  464.998984][ T7929] Call Trace:
[  465.002256][ T7929]  <TASK>
[  465.005177][ T7929]  dump_stack_lvl+0x125/0x1b0
[  465.009842][ T7929]  sysfs_warn_dup+0x7f/0xa0
[  465.014336][ T7929]  sysfs_create_dir_ns+0x249/0x2b0
[  465.019472][ T7929]  ? sysfs_create_mount_point+0xb0/0xb0
[  465.025006][ T7929]  ? spin_bug+0x1d0/0x1d0
[  465.029317][ T7929]  ? net_namespace+0x12/0x40
[  465.033899][ T7929]  ? device_namespace+0x8d/0xc0
[  465.038805][ T7929]  kobject_add_internal+0x2c8/0x970
[  465.044000][ T7929]  kobject_add+0x16f/0x240
[  465.048408][ T7929]  ? kset_create_and_add+0x190/0x190
[  465.053684][ T7929]  ? do_raw_spin_unlock+0x173/0x230
[  465.058865][ T7929]  ? kobject_put+0xbe/0x440
[  465.063354][ T7929]  ? device_add+0xc35/0x1aa0
[  465.067933][ T7929]  device_add+0x289/0x1aa0
[  465.072341][ T7929]  ? device_initialize+0x510/0x510
[  465.077437][ T7929]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  465.084290][ T7929]  ? __init_waitqueue_head+0xca/0x150
[  465.089651][ T7929]  netdev_register_kobject+0x183/0x3f0
[  465.095128][ T7929]  register_netdevice+0xbe6/0x14b0
[  465.100230][ T7929]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  465.106112][ T7929]  ? validate_linkmsg+0x6fc/0x9c0
[  465.111148][ T7929]  br_dev_newlink+0x27/0x110
[  465.115724][ T7929]  ? br_changelink+0x1760/0x1760
[  465.120646][ T7929]  __rtnl_newlink+0x1173/0x1930
[  465.125506][ T7929]  ? rtnl_link_unregister+0x260/0x260
[  465.130881][ T7929]  rtnl_newlink+0x67/0xa0
[  465.135193][ T7929]  ? __rtnl_newlink+0x1930/0x1930
[  465.140205][ T7929]  rtnetlink_rcv_msg+0x3c7/0xe00
[  465.145132][ T7929]  ? rtnl_fill_vf+0x4a0/0x4a0
[  465.149814][ T7929]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  465.155795][ T7929]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  465.161828][ T7929]  netlink_rcv_skb+0x16b/0x440
[  465.166609][ T7929]  ? rtnl_fill_vf+0x4a0/0x4a0
[  465.171285][ T7929]  ? netlink_ack+0x1380/0x1380
[  465.176048][ T7929]  ? lock_sync+0x190/0x190
[  465.180471][ T7929]  ? netlink_deliver_tap+0x1a0/0xd00
[  465.185750][ T7929]  ? _copy_from_iter+0x2c1/0x10f0
[  465.190787][ T7929]  netlink_unicast+0x53b/0x810
[  465.195545][ T7929]  ? netlink_attachskb+0x880/0x880
[  465.200641][ T7929]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  465.206553][ T7929]  ? __phys_addr_symbol+0x30/0x70
[  465.211570][ T7929]  ? __check_object_size+0x323/0x730
[  465.216842][ T7929]  netlink_sendmsg+0x93c/0xe40
[  465.221619][ T7929]  ? netlink_unicast+0x810/0x810
[  465.226581][ T7929]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  465.231868][ T7929]  ? netlink_unicast+0x810/0x810
[  465.236800][ T7929]  __sock_sendmsg+0xd5/0x180
[  465.241380][ T7929]  ____sys_sendmsg+0x6ac/0x940
[  465.246131][ T7929]  ? copy_msghdr_from_user+0x10b/0x160
[  465.251580][ T7929]  ? kernel_sendmsg+0x50/0x50
[  465.256246][ T7929]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  465.262217][ T7929]  ___sys_sendmsg+0x135/0x1d0
[  465.266880][ T7929]  ? do_recvmmsg+0x740/0x740
[  465.271458][ T7929]  ? find_held_lock+0x2d/0x110
[  465.276218][ T7929]  ? preempt_count_sub+0x160/0x160
[  465.281321][ T7929]  ? __fget_light+0x1fc/0x260
[  465.285986][ T7929]  __sys_sendmsg+0x117/0x1e0
[  465.290564][ T7929]  ? __sys_sendmsg_sock+0x30/0x30
[  465.295583][ T7929]  ? xfd_validate_state+0x5d/0x180
[  465.300712][ T7929]  ? syscall_enter_from_user_mode+0x7f/0x120
[  465.306687][ T7929]  do_syscall_64+0x40/0x110
[  465.311179][ T7929]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  465.317061][ T7929] RIP: 0033:0x7ff3fd6020b9
[  465.321458][ T7929] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  465.341056][ T7929] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.349448][ T7929] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  465.357403][ T7929] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  465.365356][ T7929] RBP: 0000000000071487 R08: 0000000000000000 R09: 0000000000000006
[  465.373332][ T7929] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  465.381283][ T7929] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  465.389242][ T7929]  </TASK>
[  465.396000][ T7929] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  465.453600][ T7929] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  465.462792][ T7929] CPU: 0 PID: 7929 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  465.473194][ T7929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  465.483249][ T7929] Call Trace:
[  465.486527][ T7929]  <TASK>
[  465.489453][ T7929]  dump_stack_lvl+0x125/0x1b0
[  465.494130][ T7929]  sysfs_warn_dup+0x7f/0xa0
[  465.498671][ T7929]  sysfs_create_dir_ns+0x249/0x2b0
[  465.503780][ T7929]  ? sysfs_create_mount_point+0xb0/0xb0
[  465.509322][ T7929]  ? spin_bug+0x1d0/0x1d0
[  465.513643][ T7929]  ? net_namespace+0x12/0x40
[  465.518233][ T7929]  ? device_namespace+0x8d/0xc0
[  465.523080][ T7929]  kobject_add_internal+0x2c8/0x970
[  465.528277][ T7929]  kobject_add+0x16f/0x240
[  465.532691][ T7929]  ? kset_create_and_add+0x190/0x190
[  465.537971][ T7929]  ? do_raw_spin_unlock+0x173/0x230
[  465.543159][ T7929]  ? kobject_put+0xbe/0x440
[  465.547662][ T7929]  ? device_add+0xc35/0x1aa0
[  465.552243][ T7929]  device_add+0x289/0x1aa0
[  465.556662][ T7929]  ? device_initialize+0x510/0x510
[  465.561786][ T7929]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  465.568656][ T7929]  ? __init_waitqueue_head+0xca/0x150
[  465.574031][ T7929]  netdev_register_kobject+0x183/0x3f0
[  465.579494][ T7929]  register_netdevice+0xbe6/0x14b0
[  465.584607][ T7929]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  465.590495][ T7929]  ? validate_linkmsg+0x6fc/0x9c0
[  465.595514][ T7929]  br_dev_newlink+0x27/0x110
[  465.600099][ T7929]  ? br_changelink+0x1760/0x1760
[  465.605030][ T7929]  __rtnl_newlink+0x1173/0x1930
[  465.609882][ T7929]  ? rtnl_link_unregister+0x260/0x260
[  465.615260][ T7929]  rtnl_newlink+0x67/0xa0
[  465.619584][ T7929]  ? __rtnl_newlink+0x1930/0x1930
[  465.624601][ T7929]  rtnetlink_rcv_msg+0x3c7/0xe00
[  465.629532][ T7929]  ? rtnl_fill_vf+0x4a0/0x4a0
[  465.634197][ T7929]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  465.640170][ T7929]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  465.646147][ T7929]  netlink_rcv_skb+0x16b/0x440
[  465.650922][ T7929]  ? rtnl_fill_vf+0x4a0/0x4a0
[  465.655607][ T7929]  ? netlink_ack+0x1380/0x1380
[  465.660369][ T7929]  ? lock_sync+0x190/0x190
[  465.664790][ T7929]  ? netlink_deliver_tap+0x1a0/0xd00
[  465.670070][ T7929]  ? _copy_from_iter+0x2c1/0x10f0
[  465.675105][ T7929]  netlink_unicast+0x53b/0x810
[  465.679875][ T7929]  ? netlink_attachskb+0x880/0x880
[  465.684976][ T7929]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  465.690864][ T7929]  ? __phys_addr_symbol+0x30/0x70
[  465.695876][ T7929]  ? __check_object_size+0x323/0x730
[  465.701163][ T7929]  netlink_sendmsg+0x93c/0xe40
[  465.705943][ T7929]  ? netlink_unicast+0x810/0x810
[  465.710883][ T7929]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  465.716169][ T7929]  ? netlink_unicast+0x810/0x810
[  465.721101][ T7929]  __sock_sendmsg+0xd5/0x180
[  465.725687][ T7929]  ____sys_sendmsg+0x6ac/0x940
[  465.730441][ T7929]  ? copy_msghdr_from_user+0x10b/0x160
[  465.735890][ T7929]  ? kernel_sendmsg+0x50/0x50
[  465.740592][ T7929]  ___sys_sendmsg+0x135/0x1d0
[  465.745277][ T7929]  ? do_recvmmsg+0x740/0x740
[  465.749855][ T7929]  ? find_held_lock+0x2d/0x110
[  465.754614][ T7929]  ? preempt_count_sub+0x160/0x160
[  465.759721][ T7929]  ? __fget_light+0x1fc/0x260
[  465.764387][ T7929]  __sys_sendmsg+0x117/0x1e0
[  465.768971][ T7929]  ? __sys_sendmsg_sock+0x30/0x30
[  465.774003][ T7929]  ? xfd_validate_state+0x5d/0x180
[  465.779128][ T7929]  ? syscall_enter_from_user_mode+0x7f/0x120
[  465.785129][ T7929]  do_syscall_64+0x40/0x110
[  465.789628][ T7929]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  465.795553][ T7929] RIP: 0033:0x7ff3fd6020b9
[  465.799960][ T7929] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  465.819569][ T7929] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.827983][ T7929] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  465.835948][ T7929] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  465.843909][ T7929] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  465.851881][ T7929] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  465.859845][ T7929] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  465.867817][ T7929]  </TASK>
[  465.873355][ T7929] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  465.929006][ T7931] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  465.939503][ T7931] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  465.948799][ T7931] CPU: 0 PID: 7931 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  465.959229][ T7931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  465.969301][ T7931] Call Trace:
[  465.972569][ T7931]  <TASK>
[  465.975485][ T7931]  dump_stack_lvl+0x125/0x1b0
[  465.980150][ T7931]  sysfs_warn_dup+0x7f/0xa0
[  465.984649][ T7931]  sysfs_create_dir_ns+0x249/0x2b0
[  465.989761][ T7931]  ? sysfs_create_mount_point+0xb0/0xb0
[  465.995570][ T7931]  ? spin_bug+0x1d0/0x1d0
[  465.999892][ T7931]  ? net_namespace+0x12/0x40
[  466.004480][ T7931]  ? device_namespace+0x8d/0xc0
[  466.009336][ T7931]  kobject_add_internal+0x2c8/0x970
[  466.014536][ T7931]  kobject_add+0x16f/0x240
[  466.018953][ T7931]  ? kset_create_and_add+0x190/0x190
[  466.024236][ T7931]  ? do_raw_spin_unlock+0x173/0x230
[  466.029432][ T7931]  ? kobject_put+0xbe/0x440
[  466.033946][ T7931]  ? device_add+0xc35/0x1aa0
[  466.038537][ T7931]  device_add+0x289/0x1aa0
[  466.042953][ T7931]  ? device_initialize+0x510/0x510
[  466.048057][ T7931]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  466.054908][ T7931]  ? __init_waitqueue_head+0xca/0x150
[  466.060280][ T7931]  netdev_register_kobject+0x183/0x3f0
[  466.065752][ T7931]  register_netdevice+0xbe6/0x14b0
[  466.070875][ T7931]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  466.076769][ T7931]  ? validate_linkmsg+0x6fc/0x9c0
[  466.081794][ T7931]  br_dev_newlink+0x27/0x110
[  466.086395][ T7931]  ? br_changelink+0x1760/0x1760
[  466.091346][ T7931]  __rtnl_newlink+0x1173/0x1930
[  466.096203][ T7931]  ? rtnl_link_unregister+0x260/0x260
[  466.101595][ T7931]  rtnl_newlink+0x67/0xa0
[  466.105921][ T7931]  ? __rtnl_newlink+0x1930/0x1930
[  466.110943][ T7931]  rtnetlink_rcv_msg+0x3c7/0xe00
[  466.115880][ T7931]  ? rtnl_fill_vf+0x4a0/0x4a0
[  466.120560][ T7931]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  466.126549][ T7931]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  466.132543][ T7931]  netlink_rcv_skb+0x16b/0x440
[  466.137309][ T7931]  ? rtnl_fill_vf+0x4a0/0x4a0
[  466.142010][ T7931]  ? netlink_ack+0x1380/0x1380
[  466.146781][ T7931]  ? lock_sync+0x190/0x190
[  466.151206][ T7931]  ? netlink_deliver_tap+0x1a0/0xd00
[  466.156486][ T7931]  ? _copy_from_iter+0x2c1/0x10f0
[  466.161514][ T7931]  netlink_unicast+0x53b/0x810
[  466.166285][ T7931]  ? netlink_attachskb+0x880/0x880
[  466.171395][ T7931]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  466.177286][ T7931]  ? __phys_addr_symbol+0x30/0x70
[  466.182374][ T7931]  ? __check_object_size+0x323/0x730
[  466.187756][ T7931]  netlink_sendmsg+0x93c/0xe40
[  466.192581][ T7931]  ? netlink_unicast+0x810/0x810
[  466.197550][ T7931]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  466.202852][ T7931]  ? netlink_unicast+0x810/0x810
[  466.207792][ T7931]  __sock_sendmsg+0xd5/0x180
[  466.212379][ T7931]  ____sys_sendmsg+0x6ac/0x940
[  466.217144][ T7931]  ? copy_msghdr_from_user+0x10b/0x160
[  466.222602][ T7931]  ? kernel_sendmsg+0x50/0x50
[  466.227286][ T7931]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  466.233277][ T7931]  ___sys_sendmsg+0x135/0x1d0
[  466.237960][ T7931]  ? do_recvmmsg+0x740/0x740
[  466.242558][ T7931]  ? find_held_lock+0x2d/0x110
[  466.247360][ T7931]  ? preempt_count_sub+0x160/0x160
[  466.252501][ T7931]  ? __fget_light+0x1fc/0x260
[  466.257177][ T7931]  __sys_sendmsg+0x117/0x1e0
[  466.261774][ T7931]  ? __sys_sendmsg_sock+0x30/0x30
[  466.266802][ T7931]  ? xfd_validate_state+0x5d/0x180
[  466.271961][ T7931]  ? syscall_enter_from_user_mode+0x7f/0x120
[  466.277967][ T7931]  do_syscall_64+0x40/0x110
[  466.282485][ T7931]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  466.288416][ T7931] RIP: 0033:0x7ff3fd6020b9
[  466.292843][ T7931] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  466.312459][ T7931] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.320874][ T7931] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  466.328843][ T7931] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  466.336812][ T7931] RBP: 0000000000071828 R08: 0000000000000000 R09: 0000000000000006
[  466.344781][ T7931] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  466.352753][ T7931] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  466.360732][ T7931]  </TASK>
[  466.364099][ T7931] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  466.413597][ T7931] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  466.422798][ T7931] CPU: 0 PID: 7931 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  466.433200][ T7931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  466.443250][ T7931] Call Trace:
[  466.446528][ T7931]  <TASK>
[  466.449456][ T7931]  dump_stack_lvl+0x125/0x1b0
[  466.454137][ T7931]  sysfs_warn_dup+0x7f/0xa0
[  466.458636][ T7931]  sysfs_create_dir_ns+0x249/0x2b0
[  466.463763][ T7931]  ? sysfs_create_mount_point+0xb0/0xb0
[  466.469329][ T7931]  ? spin_bug+0x1d0/0x1d0
[  466.473680][ T7931]  ? net_namespace+0x12/0x40
[  466.478333][ T7931]  ? device_namespace+0x8d/0xc0
[  466.483201][ T7931]  kobject_add_internal+0x2c8/0x970
[  466.488408][ T7931]  kobject_add+0x16f/0x240
[  466.492828][ T7931]  ? kset_create_and_add+0x190/0x190
[  466.498114][ T7931]  ? do_raw_spin_unlock+0x173/0x230
[  466.503309][ T7931]  ? kobject_put+0xbe/0x440
[  466.507813][ T7931]  ? device_add+0xc35/0x1aa0
[  466.512407][ T7931]  device_add+0x289/0x1aa0
[  466.516821][ T7931]  ? device_initialize+0x510/0x510
[  466.521926][ T7931]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  466.528780][ T7931]  ? __init_waitqueue_head+0xca/0x150
[  466.534160][ T7931]  netdev_register_kobject+0x183/0x3f0
[  466.539624][ T7931]  register_netdevice+0xbe6/0x14b0
[  466.544739][ T7931]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  466.550634][ T7931]  ? validate_linkmsg+0x6fc/0x9c0
[  466.555666][ T7931]  br_dev_newlink+0x27/0x110
[  466.560254][ T7931]  ? br_changelink+0x1760/0x1760
[  466.565188][ T7931]  __rtnl_newlink+0x1173/0x1930
[  466.570044][ T7931]  ? rtnl_link_unregister+0x260/0x260
[  466.575432][ T7931]  rtnl_newlink+0x67/0xa0
[  466.579761][ T7931]  ? __rtnl_newlink+0x1930/0x1930
[  466.584783][ T7931]  rtnetlink_rcv_msg+0x3c7/0xe00
[  466.589719][ T7931]  ? rtnl_fill_vf+0x4a0/0x4a0
[  466.594394][ T7931]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  466.600375][ T7931]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  466.606360][ T7931]  netlink_rcv_skb+0x16b/0x440
[  466.611128][ T7931]  ? rtnl_fill_vf+0x4a0/0x4a0
[  466.615802][ T7931]  ? netlink_ack+0x1380/0x1380
[  466.620564][ T7931]  ? lock_sync+0x190/0x190
[  466.624991][ T7931]  ? netlink_deliver_tap+0x1a0/0xd00
[  466.630274][ T7931]  ? _copy_from_iter+0x2c1/0x10f0
[  466.635308][ T7931]  netlink_unicast+0x53b/0x810
[  466.640073][ T7931]  ? netlink_attachskb+0x880/0x880
[  466.645205][ T7931]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  466.651134][ T7931]  ? __phys_addr_symbol+0x30/0x70
[  466.656168][ T7931]  ? __check_object_size+0x323/0x730
[  466.661469][ T7931]  netlink_sendmsg+0x93c/0xe40
[  466.666257][ T7931]  ? netlink_unicast+0x810/0x810
[  466.671233][ T7931]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  466.676535][ T7931]  ? netlink_unicast+0x810/0x810
[  466.681482][ T7931]  __sock_sendmsg+0xd5/0x180
[  466.686083][ T7931]  ____sys_sendmsg+0x6ac/0x940
[  466.690849][ T7931]  ? copy_msghdr_from_user+0x10b/0x160
[  466.696307][ T7931]  ? kernel_sendmsg+0x50/0x50
[  466.700989][ T7931]  ___sys_sendmsg+0x135/0x1d0
[  466.705666][ T7931]  ? do_recvmmsg+0x740/0x740
[  466.710252][ T7931]  ? find_held_lock+0x2d/0x110
[  466.715025][ T7931]  ? preempt_count_sub+0x160/0x160
[  466.720143][ T7931]  ? __fget_light+0x1fc/0x260
[  466.724827][ T7931]  __sys_sendmsg+0x117/0x1e0
[  466.729422][ T7931]  ? __sys_sendmsg_sock+0x30/0x30
[  466.734485][ T7931]  ? syscall_enter_from_user_mode+0x7f/0x120
[  466.740471][ T7931]  do_syscall_64+0x40/0x110
[  466.745058][ T7931]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  466.750961][ T7931] RIP: 0033:0x7ff3fd6020b9
[  466.755366][ T7931] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  466.774986][ T7931] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.783403][ T7931] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  466.791376][ T7931] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  466.799346][ T7931] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  466.807328][ T7931] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  466.815293][ T7931] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  466.823275][ T7931]  </TASK>
[  466.827188][ T7931] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  466.897506][ T7933] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  466.907999][ T7933] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  466.917265][ T7933] CPU: 0 PID: 7933 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  466.927700][ T7933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  466.937792][ T7933] Call Trace:
[  466.941073][ T7933]  <TASK>
[  466.944029][ T7933]  dump_stack_lvl+0x125/0x1b0
[  466.948694][ T7933]  sysfs_warn_dup+0x7f/0xa0
[  466.953189][ T7933]  sysfs_create_dir_ns+0x249/0x2b0
[  466.958299][ T7933]  ? sysfs_create_mount_point+0xb0/0xb0
[  466.963846][ T7933]  ? spin_bug+0x1d0/0x1d0
[  466.968175][ T7933]  ? net_namespace+0x12/0x40
[  466.972787][ T7933]  ? device_namespace+0x8d/0xc0
[  466.977756][ T7933]  kobject_add_internal+0x2c8/0x970
[  466.982984][ T7933]  kobject_add+0x16f/0x240
[  466.987449][ T7933]  ? kset_create_and_add+0x190/0x190
[  466.992738][ T7933]  ? do_raw_spin_unlock+0x173/0x230
[  466.997931][ T7933]  ? kobject_put+0xbe/0x440
[  467.002444][ T7933]  ? device_add+0xc35/0x1aa0
[  467.007034][ T7933]  device_add+0x289/0x1aa0
[  467.011454][ T7933]  ? device_initialize+0x510/0x510
[  467.016556][ T7933]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  467.023431][ T7933]  ? __init_waitqueue_head+0xca/0x150
[  467.028810][ T7933]  netdev_register_kobject+0x183/0x3f0
[  467.034281][ T7933]  register_netdevice+0xbe6/0x14b0
[  467.039398][ T7933]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  467.045307][ T7933]  ? validate_linkmsg+0x6fc/0x9c0
[  467.050332][ T7933]  br_dev_newlink+0x27/0x110
[  467.054922][ T7933]  ? br_changelink+0x1760/0x1760
[  467.059857][ T7933]  __rtnl_newlink+0x1173/0x1930
[  467.064719][ T7933]  ? rtnl_link_unregister+0x260/0x260
[  467.070108][ T7933]  rtnl_newlink+0x67/0xa0
[  467.074450][ T7933]  ? __rtnl_newlink+0x1930/0x1930
[  467.079475][ T7933]  rtnetlink_rcv_msg+0x3c7/0xe00
[  467.084431][ T7933]  ? rtnl_fill_vf+0x4a0/0x4a0
[  467.089120][ T7933]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  467.095109][ T7933]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  467.101101][ T7933]  netlink_rcv_skb+0x16b/0x440
[  467.105870][ T7933]  ? rtnl_fill_vf+0x4a0/0x4a0
[  467.110544][ T7933]  ? netlink_ack+0x1380/0x1380
[  467.115306][ T7933]  ? lock_sync+0x190/0x190
[  467.119731][ T7933]  ? netlink_deliver_tap+0x1a0/0xd00
[  467.125014][ T7933]  ? _copy_from_iter+0x2c1/0x10f0
[  467.130041][ T7933]  netlink_unicast+0x53b/0x810
[  467.134813][ T7933]  ? netlink_attachskb+0x880/0x880
[  467.139921][ T7933]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  467.145816][ T7933]  ? __phys_addr_symbol+0x30/0x70
[  467.150849][ T7933]  ? __check_object_size+0x323/0x730
[  467.156132][ T7933]  netlink_sendmsg+0x93c/0xe40
[  467.160906][ T7933]  ? netlink_unicast+0x810/0x810
[  467.165855][ T7933]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  467.171142][ T7933]  ? netlink_unicast+0x810/0x810
[  467.176092][ T7933]  __sock_sendmsg+0xd5/0x180
[  467.180692][ T7933]  ____sys_sendmsg+0x6ac/0x940
[  467.185459][ T7933]  ? copy_msghdr_from_user+0x10b/0x160
[  467.190923][ T7933]  ? kernel_sendmsg+0x50/0x50
[  467.195610][ T7933]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  467.201597][ T7933]  ___sys_sendmsg+0x135/0x1d0
[  467.206318][ T7933]  ? do_recvmmsg+0x740/0x740
[  467.210918][ T7933]  ? find_held_lock+0x2d/0x110
[  467.215697][ T7933]  ? preempt_count_sub+0x160/0x160
[  467.220814][ T7933]  ? __fget_light+0x1fc/0x260
[  467.225489][ T7933]  __sys_sendmsg+0x117/0x1e0
[  467.230079][ T7933]  ? __sys_sendmsg_sock+0x30/0x30
[  467.235104][ T7933]  ? xfd_validate_state+0x5d/0x180
[  467.240238][ T7933]  ? syscall_enter_from_user_mode+0x7f/0x120
[  467.246221][ T7933]  do_syscall_64+0x40/0x110
[  467.250723][ T7933]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  467.256620][ T7933] RIP: 0033:0x7ff3fd6020b9
[  467.261055][ T7933] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  467.280676][ T7933] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  467.289095][ T7933] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  467.297061][ T7933] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  467.305032][ T7933] RBP: 0000000000071bf2 R08: 0000000000000000 R09: 0000000000000006
[  467.313000][ T7933] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  467.320965][ T7933] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  467.328970][ T7933]  </TASK>
[  467.335454][ T7933] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  467.373370][ T7933] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  467.382617][ T7933] CPU: 0 PID: 7933 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  467.393051][ T7933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  467.403116][ T7933] Call Trace:
[  467.406406][ T7933]  <TASK>
[  467.409365][ T7933]  dump_stack_lvl+0x125/0x1b0
[  467.414064][ T7933]  sysfs_warn_dup+0x7f/0xa0
[  467.418586][ T7933]  sysfs_create_dir_ns+0x249/0x2b0
[  467.423732][ T7933]  ? sysfs_create_mount_point+0xb0/0xb0
[  467.429299][ T7933]  ? spin_bug+0x1d0/0x1d0
[  467.433647][ T7933]  ? net_namespace+0x12/0x40
[  467.438259][ T7933]  ? device_namespace+0x8d/0xc0
[  467.443127][ T7933]  kobject_add_internal+0x2c8/0x970
[  467.448331][ T7933]  kobject_add+0x16f/0x240
[  467.452746][ T7933]  ? kset_create_and_add+0x190/0x190
[  467.458028][ T7933]  ? do_raw_spin_unlock+0x173/0x230
[  467.463221][ T7933]  ? kobject_put+0xbe/0x440
[  467.467721][ T7933]  ? device_add+0xc35/0x1aa0
[  467.472309][ T7933]  device_add+0x289/0x1aa0
[  467.476722][ T7933]  ? device_initialize+0x510/0x510
[  467.481823][ T7933]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  467.488669][ T7933]  ? __init_waitqueue_head+0xca/0x150
[  467.494046][ T7933]  netdev_register_kobject+0x183/0x3f0
[  467.499509][ T7933]  register_netdevice+0xbe6/0x14b0
[  467.504624][ T7933]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  467.510516][ T7933]  ? validate_linkmsg+0x6fc/0x9c0
[  467.515537][ T7933]  br_dev_newlink+0x27/0x110
[  467.520126][ T7933]  ? br_changelink+0x1760/0x1760
[  467.525058][ T7933]  __rtnl_newlink+0x1173/0x1930
[  467.529913][ T7933]  ? rtnl_link_unregister+0x260/0x260
[  467.535300][ T7933]  rtnl_newlink+0x67/0xa0
[  467.539631][ T7933]  ? __rtnl_newlink+0x1930/0x1930
[  467.544650][ T7933]  rtnetlink_rcv_msg+0x3c7/0xe00
[  467.549585][ T7933]  ? rtnl_fill_vf+0x4a0/0x4a0
[  467.554263][ T7933]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  467.560251][ T7933]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  467.566244][ T7933]  netlink_rcv_skb+0x16b/0x440
[  467.571019][ T7933]  ? rtnl_fill_vf+0x4a0/0x4a0
[  467.575700][ T7933]  ? netlink_ack+0x1380/0x1380
[  467.580464][ T7933]  ? lock_sync+0x190/0x190
[  467.584891][ T7933]  ? netlink_deliver_tap+0x1a0/0xd00
[  467.590176][ T7933]  ? _copy_from_iter+0x2c1/0x10f0
[  467.595203][ T7933]  netlink_unicast+0x53b/0x810
[  467.599981][ T7933]  ? netlink_attachskb+0x880/0x880
[  467.605089][ T7933]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  467.610983][ T7933]  ? __phys_addr_symbol+0x30/0x70
[  467.616006][ T7933]  ? __check_object_size+0x323/0x730
[  467.621289][ T7933]  netlink_sendmsg+0x93c/0xe40
[  467.626058][ T7933]  ? netlink_unicast+0x810/0x810
[  467.631001][ T7933]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  467.636286][ T7933]  ? netlink_unicast+0x810/0x810
[  467.641227][ T7933]  __sock_sendmsg+0xd5/0x180
[  467.645814][ T7933]  ____sys_sendmsg+0x6ac/0x940
[  467.650576][ T7933]  ? copy_msghdr_from_user+0x10b/0x160
[  467.656038][ T7933]  ? kernel_sendmsg+0x50/0x50
[  467.660737][ T7933]  ? hlock_class+0x4e/0x130
[  467.665239][ T7933]  ? __lock_acquire+0x14e0/0x3b10
[  467.670266][ T7933]  ___sys_sendmsg+0x135/0x1d0
[  467.674953][ T7933]  ? do_recvmmsg+0x740/0x740
[  467.679548][ T7933]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  467.685538][ T7933]  ? find_held_lock+0x2d/0x110
[  467.690321][ T7933]  ? __fget_light+0x1fc/0x260
[  467.694999][ T7933]  __sys_sendmsg+0x117/0x1e0
[  467.699594][ T7933]  ? __sys_sendmsg_sock+0x30/0x30
[  467.704630][ T7933]  ? __do_sys_rseq+0x750/0x750
[  467.709402][ T7933]  ? syscall_enter_from_user_mode+0x7f/0x120
[  467.715392][ T7933]  do_syscall_64+0x40/0x110
[  467.719924][ T7933]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  467.725868][ T7933] RIP: 0033:0x7ff3fd6020b9
[  467.730294][ T7933] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  467.749907][ T7933] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  467.758317][ T7933] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  467.766287][ T7933] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  467.774256][ T7933] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  467.782253][ T7933] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  467.790217][ T7933] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  467.798194][ T7933]  </TASK>
[  467.801718][ T7933] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  467.868810][ T7941] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  467.879371][ T7941] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  467.888760][ T7941] CPU: 0 PID: 7941 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  467.899187][ T7941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  467.909251][ T7941] Call Trace:
[  467.912535][ T7941]  <TASK>
[  467.915483][ T7941]  dump_stack_lvl+0x125/0x1b0
[  467.920176][ T7941]  sysfs_warn_dup+0x7f/0xa0
[  467.924699][ T7941]  sysfs_create_dir_ns+0x249/0x2b0
[  467.929831][ T7941]  ? sysfs_create_mount_point+0xb0/0xb0
[  467.935395][ T7941]  ? spin_bug+0x1d0/0x1d0
[  467.939743][ T7941]  ? net_namespace+0x12/0x40
[  467.944356][ T7941]  ? device_namespace+0x8d/0xc0
[  467.949230][ T7941]  kobject_add_internal+0x2c8/0x970
[  467.954460][ T7941]  kobject_add+0x16f/0x240
[  467.958901][ T7941]  ? kset_create_and_add+0x190/0x190
[  467.964207][ T7941]  ? do_raw_spin_unlock+0x173/0x230
[  467.969428][ T7941]  ? kobject_put+0xbe/0x440
[  467.973973][ T7941]  ? device_add+0xc35/0x1aa0
[  467.978587][ T7941]  device_add+0x289/0x1aa0
[  467.983019][ T7941]  ? device_initialize+0x510/0x510
[  467.988141][ T7941]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  467.995018][ T7941]  ? __init_waitqueue_head+0xca/0x150
[  468.000411][ T7941]  netdev_register_kobject+0x183/0x3f0
[  468.005904][ T7941]  register_netdevice+0xbe6/0x14b0
[  468.011040][ T7941]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  468.016963][ T7941]  ? validate_linkmsg+0x6fc/0x9c0
[  468.022011][ T7941]  br_dev_newlink+0x27/0x110
[  468.026622][ T7941]  ? br_changelink+0x1760/0x1760
[  468.031585][ T7941]  __rtnl_newlink+0x1173/0x1930
[  468.036471][ T7941]  ? rtnl_link_unregister+0x260/0x260
[  468.041876][ T7941]  rtnl_newlink+0x67/0xa0
[  468.046208][ T7941]  ? __rtnl_newlink+0x1930/0x1930
[  468.051228][ T7941]  rtnetlink_rcv_msg+0x3c7/0xe00
[  468.056152][ T7941]  ? rtnl_fill_vf+0x4a0/0x4a0
[  468.060816][ T7941]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  468.066785][ T7941]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  468.072761][ T7941]  netlink_rcv_skb+0x16b/0x440
[  468.077513][ T7941]  ? rtnl_fill_vf+0x4a0/0x4a0
[  468.082179][ T7941]  ? netlink_ack+0x1380/0x1380
[  468.086928][ T7941]  ? lock_sync+0x190/0x190
[  468.091337][ T7941]  ? netlink_deliver_tap+0x1a0/0xd00
[  468.096608][ T7941]  ? _copy_from_iter+0x2c1/0x10f0
[  468.101621][ T7941]  netlink_unicast+0x53b/0x810
[  468.106374][ T7941]  ? netlink_attachskb+0x880/0x880
[  468.111472][ T7941]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  468.117352][ T7941]  ? __phys_addr_symbol+0x30/0x70
[  468.122362][ T7941]  ? __check_object_size+0x323/0x730
[  468.127631][ T7941]  netlink_sendmsg+0x93c/0xe40
[  468.132383][ T7941]  ? netlink_unicast+0x810/0x810
[  468.137310][ T7941]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  468.142581][ T7941]  ? netlink_unicast+0x810/0x810
[  468.147506][ T7941]  __sock_sendmsg+0xd5/0x180
[  468.152085][ T7941]  ____sys_sendmsg+0x6ac/0x940
[  468.156920][ T7941]  ? copy_msghdr_from_user+0x10b/0x160
[  468.162364][ T7941]  ? kernel_sendmsg+0x50/0x50
[  468.167059][ T7941]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  468.173051][ T7941]  ___sys_sendmsg+0x135/0x1d0
[  468.177726][ T7941]  ? do_recvmmsg+0x740/0x740
[  468.182310][ T7941]  ? find_held_lock+0x2d/0x110
[  468.187071][ T7941]  ? preempt_count_sub+0x160/0x160
[  468.192177][ T7941]  ? __fget_light+0x1fc/0x260
[  468.196880][ T7941]  __sys_sendmsg+0x117/0x1e0
[  468.201464][ T7941]  ? __sys_sendmsg_sock+0x30/0x30
[  468.206476][ T7941]  ? xfd_validate_state+0x5d/0x180
[  468.211589][ T7941]  ? syscall_enter_from_user_mode+0x7f/0x120
[  468.217562][ T7941]  do_syscall_64+0x40/0x110
[  468.222051][ T7941]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  468.227936][ T7941] RIP: 0033:0x7ff3fd6020b9
[  468.232338][ T7941] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  468.251937][ T7941] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.260354][ T7941] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  468.268312][ T7941] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  468.276296][ T7941] RBP: 0000000000071fbb R08: 0000000000000000 R09: 0000000000000006
[  468.284253][ T7941] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  468.292210][ T7941] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  468.300198][ T7941]  </TASK>
[  468.305027][ T7941] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  468.354466][ T7941] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  468.364337][ T7941] CPU: 0 PID: 7941 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  468.374792][ T7941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  468.384872][ T7941] Call Trace:
[  468.388163][ T7941]  <TASK>
[  468.391106][ T7941]  dump_stack_lvl+0x125/0x1b0
[  468.395806][ T7941]  sysfs_warn_dup+0x7f/0xa0
[  468.400330][ T7941]  sysfs_create_dir_ns+0x249/0x2b0
[  468.405466][ T7941]  ? sysfs_create_mount_point+0xb0/0xb0
[  468.411059][ T7941]  ? spin_bug+0x1d0/0x1d0
[  468.415412][ T7941]  ? net_namespace+0x12/0x40
[  468.420023][ T7941]  ? device_namespace+0x8d/0xc0
[  468.424917][ T7941]  kobject_add_internal+0x2c8/0x970
[  468.430238][ T7941]  kobject_add+0x16f/0x240
[  468.434668][ T7941]  ? kset_create_and_add+0x190/0x190
[  468.439968][ T7941]  ? do_raw_spin_unlock+0x173/0x230
[  468.445175][ T7941]  ? kobject_put+0xbe/0x440
[  468.449699][ T7941]  ? device_add+0xc35/0x1aa0
[  468.454310][ T7941]  device_add+0x289/0x1aa0
[  468.458741][ T7941]  ? device_initialize+0x510/0x510
[  468.463867][ T7941]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  468.470742][ T7941]  ? __init_waitqueue_head+0xca/0x150
[  468.476135][ T7941]  netdev_register_kobject+0x183/0x3f0
[  468.481622][ T7941]  register_netdevice+0xbe6/0x14b0
[  468.486751][ T7941]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  468.492660][ T7941]  ? validate_linkmsg+0x6fc/0x9c0
[  468.497704][ T7941]  br_dev_newlink+0x27/0x110
[  468.502311][ T7941]  ? br_changelink+0x1760/0x1760
[  468.507264][ T7941]  __rtnl_newlink+0x1173/0x1930
[  468.512138][ T7941]  ? rtnl_link_unregister+0x260/0x260
[  468.517548][ T7941]  rtnl_newlink+0x67/0xa0
[  468.521902][ T7941]  ? __rtnl_newlink+0x1930/0x1930
[  468.526945][ T7941]  rtnetlink_rcv_msg+0x3c7/0xe00
[  468.531909][ T7941]  ? rtnl_fill_vf+0x4a0/0x4a0
[  468.536599][ T7941]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  468.542612][ T7941]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  468.548628][ T7941]  netlink_rcv_skb+0x16b/0x440
[  468.553416][ T7941]  ? rtnl_fill_vf+0x4a0/0x4a0
[  468.558108][ T7941]  ? netlink_ack+0x1380/0x1380
[  468.562888][ T7941]  ? lock_sync+0x190/0x190
[  468.567334][ T7941]  ? netlink_deliver_tap+0x1a0/0xd00
[  468.572634][ T7941]  ? _copy_from_iter+0x2c1/0x10f0
[  468.577681][ T7941]  netlink_unicast+0x53b/0x810
[  468.582467][ T7941]  ? netlink_attachskb+0x880/0x880
[  468.587603][ T7941]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  468.593524][ T7941]  ? __phys_addr_symbol+0x30/0x70
[  468.598566][ T7941]  ? __check_object_size+0x323/0x730
[  468.603867][ T7941]  netlink_sendmsg+0x93c/0xe40
[  468.608657][ T7941]  ? netlink_unicast+0x810/0x810
[  468.613617][ T7941]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  468.618920][ T7941]  ? netlink_unicast+0x810/0x810
[  468.623886][ T7941]  __sock_sendmsg+0xd5/0x180
[  468.628492][ T7941]  ____sys_sendmsg+0x6ac/0x940
[  468.633268][ T7941]  ? copy_msghdr_from_user+0x10b/0x160
[  468.638746][ T7941]  ? kernel_sendmsg+0x50/0x50
[  468.643447][ T7941]  ? hlock_class+0x4e/0x130
[  468.647974][ T7941]  ? __lock_acquire+0x14e0/0x3b10
[  468.653046][ T7941]  ___sys_sendmsg+0x135/0x1d0
[  468.657742][ T7941]  ? do_recvmmsg+0x740/0x740
[  468.662352][ T7941]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  468.668348][ T7941]  ? find_held_lock+0x2d/0x110
[  468.673161][ T7941]  ? __fget_light+0x1fc/0x260
[  468.677845][ T7941]  __sys_sendmsg+0x117/0x1e0
[  468.682439][ T7941]  ? __sys_sendmsg_sock+0x30/0x30
[  468.687454][ T7941]  ? xfd_validate_state+0x5d/0x180
[  468.692563][ T7941]  ? syscall_enter_from_user_mode+0x7f/0x120
[  468.698536][ T7941]  do_syscall_64+0x40/0x110
[  468.703028][ T7941]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  468.708908][ T7941] RIP: 0033:0x7ff3fd6020b9
[  468.713305][ T7941] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  468.732898][ T7941] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.741297][ T7941] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  468.749248][ T7941] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  468.757198][ T7941] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  468.765152][ T7941] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  468.773306][ T7941] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  468.781290][ T7941]  </TASK>
[  468.784787][ T7941] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  468.828785][ T7964] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  468.839147][ T7964] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  468.848569][ T7964] CPU: 0 PID: 7964 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  468.858999][ T7964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  468.869069][ T7964] Call Trace:
[  468.872361][ T7964]  <TASK>
[  468.875302][ T7964]  dump_stack_lvl+0x125/0x1b0
[  468.880005][ T7964]  sysfs_warn_dup+0x7f/0xa0
[  468.884540][ T7964]  sysfs_create_dir_ns+0x249/0x2b0
[  468.889675][ T7964]  ? sysfs_create_mount_point+0xb0/0xb0
[  468.895244][ T7964]  ? spin_bug+0x1d0/0x1d0
[  468.899592][ T7964]  ? net_namespace+0x12/0x40
[  468.904198][ T7964]  ? device_namespace+0x8d/0xc0
[  468.909068][ T7964]  kobject_add_internal+0x2c8/0x970
[  468.914287][ T7964]  kobject_add+0x16f/0x240
[  468.918718][ T7964]  ? kset_create_and_add+0x190/0x190
[  468.924018][ T7964]  ? do_raw_spin_unlock+0x173/0x230
[  468.929232][ T7964]  ? kobject_put+0xbe/0x440
[  468.933765][ T7964]  ? device_add+0xc35/0x1aa0
[  468.938379][ T7964]  device_add+0x289/0x1aa0
[  468.942817][ T7964]  ? device_initialize+0x510/0x510
[  468.947952][ T7964]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  468.954821][ T7964]  ? __init_waitqueue_head+0xca/0x150
[  468.960217][ T7964]  netdev_register_kobject+0x183/0x3f0
[  468.965711][ T7964]  register_netdevice+0xbe6/0x14b0
[  468.970851][ T7964]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  468.976773][ T7964]  ? validate_linkmsg+0x6fc/0x9c0
[  468.981816][ T7964]  br_dev_newlink+0x27/0x110
[  468.986452][ T7964]  ? br_changelink+0x1760/0x1760
[  468.991412][ T7964]  __rtnl_newlink+0x1173/0x1930
[  468.996308][ T7964]  ? rtnl_link_unregister+0x260/0x260
[  469.001725][ T7964]  rtnl_newlink+0x67/0xa0
[  469.006067][ T7964]  ? __rtnl_newlink+0x1930/0x1930
[  469.011105][ T7964]  rtnetlink_rcv_msg+0x3c7/0xe00
[  469.016061][ T7964]  ? rtnl_fill_vf+0x4a0/0x4a0
[  469.020752][ T7964]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  469.026753][ T7964]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  469.032760][ T7964]  netlink_rcv_skb+0x16b/0x440
[  469.037544][ T7964]  ? rtnl_fill_vf+0x4a0/0x4a0
[  469.042243][ T7964]  ? netlink_ack+0x1380/0x1380
[  469.047065][ T7964]  ? lock_sync+0x190/0x190
[  469.051510][ T7964]  ? netlink_deliver_tap+0x1a0/0xd00
[  469.056811][ T7964]  ? _copy_from_iter+0x2c1/0x10f0
[  469.061868][ T7964]  netlink_unicast+0x53b/0x810
[  469.066654][ T7964]  ? netlink_attachskb+0x880/0x880
[  469.071781][ T7964]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  469.077699][ T7964]  ? __phys_addr_symbol+0x30/0x70
[  469.082742][ T7964]  ? __check_object_size+0x323/0x730
[  469.088049][ T7964]  netlink_sendmsg+0x93c/0xe40
[  469.092844][ T7964]  ? netlink_unicast+0x810/0x810
[  469.097808][ T7964]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  469.103108][ T7964]  ? netlink_unicast+0x810/0x810
[  469.108063][ T7964]  __sock_sendmsg+0xd5/0x180
[  469.112668][ T7964]  ____sys_sendmsg+0x6ac/0x940
[  469.117467][ T7964]  ? copy_msghdr_from_user+0x10b/0x160
[  469.122951][ T7964]  ? kernel_sendmsg+0x50/0x50
[  469.127649][ T7964]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  469.133655][ T7964]  ___sys_sendmsg+0x135/0x1d0
[  469.138349][ T7964]  ? do_recvmmsg+0x740/0x740
[  469.142940][ T7964]  ? find_held_lock+0x2d/0x110
[  469.147693][ T7964]  ? preempt_count_sub+0x160/0x160
[  469.152796][ T7964]  ? __fget_light+0x1fc/0x260
[  469.157481][ T7964]  __sys_sendmsg+0x117/0x1e0
[  469.162062][ T7964]  ? __sys_sendmsg_sock+0x30/0x30
[  469.167073][ T7964]  ? xfd_validate_state+0x5d/0x180
[  469.172182][ T7964]  ? syscall_enter_from_user_mode+0x7f/0x120
[  469.178153][ T7964]  do_syscall_64+0x40/0x110
[  469.182646][ T7964]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  469.188528][ T7964] RIP: 0033:0x7ff3fd6020b9
[  469.192952][ T7964] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  469.212566][ T7964] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  469.220970][ T7964] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  469.228927][ T7964] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  469.236887][ T7964] RBP: 0000000000072386 R08: 0000000000000000 R09: 0000000000000006
[  469.244847][ T7964] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  469.252842][ T7964] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  469.260829][ T7964]  </TASK>
[  469.264439][ T7964] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  469.304244][ T7964] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  469.313512][ T7964] CPU: 0 PID: 7964 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  469.323956][ T7964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  469.334028][ T7964] Call Trace:
[  469.337335][ T7964]  <TASK>
[  469.340281][ T7964]  dump_stack_lvl+0x125/0x1b0
[  469.344988][ T7964]  sysfs_warn_dup+0x7f/0xa0
[  469.349515][ T7964]  sysfs_create_dir_ns+0x249/0x2b0
[  469.354656][ T7964]  ? sysfs_create_mount_point+0xb0/0xb0
[  469.360228][ T7964]  ? spin_bug+0x1d0/0x1d0
[  469.364574][ T7964]  ? net_namespace+0x12/0x40
[  469.369188][ T7964]  ? device_namespace+0x8d/0xc0
[  469.374069][ T7964]  kobject_add_internal+0x2c8/0x970
[  469.379301][ T7964]  kobject_add+0x16f/0x240
[  469.383747][ T7964]  ? kset_create_and_add+0x190/0x190
[  469.389046][ T7964]  ? do_raw_spin_unlock+0x173/0x230
[  469.394260][ T7964]  ? kobject_put+0xbe/0x440
[  469.398784][ T7964]  ? device_add+0xc35/0x1aa0
[  469.403484][ T7964]  device_add+0x289/0x1aa0
[  469.407925][ T7964]  ? device_initialize+0x510/0x510
[  469.413097][ T7964]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  469.419969][ T7964]  ? __init_waitqueue_head+0xca/0x150
[  469.425368][ T7964]  netdev_register_kobject+0x183/0x3f0
[  469.430847][ T7964]  register_netdevice+0xbe6/0x14b0
[  469.435986][ T7964]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  469.441904][ T7964]  ? validate_linkmsg+0x6fc/0x9c0
[  469.446957][ T7964]  br_dev_newlink+0x27/0x110
[  469.451571][ T7964]  ? br_changelink+0x1760/0x1760
[  469.456522][ T7964]  __rtnl_newlink+0x1173/0x1930
[  469.461411][ T7964]  ? rtnl_link_unregister+0x260/0x260
[  469.466833][ T7964]  rtnl_newlink+0x67/0xa0
[  469.471177][ T7964]  ? __rtnl_newlink+0x1930/0x1930
[  469.476215][ T7964]  rtnetlink_rcv_msg+0x3c7/0xe00
[  469.481168][ T7964]  ? rtnl_fill_vf+0x4a0/0x4a0
[  469.485860][ T7964]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  469.491858][ T7964]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  469.497866][ T7964]  netlink_rcv_skb+0x16b/0x440
[  469.502652][ T7964]  ? rtnl_fill_vf+0x4a0/0x4a0
[  469.507347][ T7964]  ? netlink_ack+0x1380/0x1380
[  469.512134][ T7964]  ? lock_sync+0x190/0x190
[  469.516590][ T7964]  ? netlink_deliver_tap+0x1a0/0xd00
[  469.521905][ T7964]  ? _copy_from_iter+0x2c1/0x10f0
[  469.526975][ T7964]  netlink_unicast+0x53b/0x810
[  469.531761][ T7964]  ? netlink_attachskb+0x880/0x880
[  469.536891][ T7964]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  469.542812][ T7964]  ? __phys_addr_symbol+0x30/0x70
[  469.547855][ T7964]  ? __check_object_size+0x323/0x730
[  469.553167][ T7964]  netlink_sendmsg+0x93c/0xe40
[  469.557968][ T7964]  ? netlink_unicast+0x810/0x810
[  469.562936][ T7964]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  469.568259][ T7964]  ? netlink_unicast+0x810/0x810
[  469.573224][ T7964]  __sock_sendmsg+0xd5/0x180
[  469.577834][ T7964]  ____sys_sendmsg+0x6ac/0x940
[  469.582615][ T7964]  ? copy_msghdr_from_user+0x10b/0x160
[  469.588103][ T7964]  ? kernel_sendmsg+0x50/0x50
[  469.592858][ T7964]  ? hlock_class+0x4e/0x130
[  469.597379][ T7964]  ? __lock_acquire+0x14e0/0x3b10
[  469.602425][ T7964]  ___sys_sendmsg+0x135/0x1d0
[  469.607122][ T7964]  ? do_recvmmsg+0x740/0x740
[  469.611730][ T7964]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  469.617741][ T7964]  ? find_held_lock+0x2d/0x110
[  469.622547][ T7964]  ? __fget_light+0x1fc/0x260
[  469.627240][ T7964]  __sys_sendmsg+0x117/0x1e0
[  469.631857][ T7964]  ? __sys_sendmsg_sock+0x30/0x30
[  469.636900][ T7964]  ? __do_sys_rseq+0x750/0x750
[  469.641679][ T7964]  ? syscall_enter_from_user_mode+0x7f/0x120
[  469.647680][ T7964]  do_syscall_64+0x40/0x110
[  469.652175][ T7964]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  469.658058][ T7964] RIP: 0033:0x7ff3fd6020b9
[  469.662460][ T7964] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  469.682059][ T7964] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  469.690462][ T7964] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  469.698421][ T7964] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  469.706378][ T7964] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  469.714343][ T7964] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  469.722304][ T7964] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  469.730273][ T7964]  </TASK>
[  469.733764][ T7964] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  469.798018][ T7993] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  469.809467][ T7993] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  469.819632][ T7993] CPU: 1 PID: 7993 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  469.830150][ T7993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  469.840219][ T7993] Call Trace:
[  469.843514][ T7993]  <TASK>
[  469.846471][ T7993]  dump_stack_lvl+0x125/0x1b0
[  469.851177][ T7993]  sysfs_warn_dup+0x7f/0xa0
[  469.855709][ T7993]  sysfs_create_dir_ns+0x249/0x2b0
[  469.860846][ T7993]  ? sysfs_create_mount_point+0xb0/0xb0
[  469.866443][ T7993]  ? spin_bug+0x1d0/0x1d0
[  469.870803][ T7993]  ? net_namespace+0x12/0x40
[  469.875397][ T7993]  ? device_namespace+0x8d/0xc0
[  469.880258][ T7993]  kobject_add_internal+0x2c8/0x970
[  469.885460][ T7993]  kobject_add+0x16f/0x240
[  469.889878][ T7993]  ? kset_create_and_add+0x190/0x190
[  469.895169][ T7993]  ? do_raw_spin_unlock+0x173/0x230
[  469.900368][ T7993]  ? kobject_put+0xbe/0x440
[  469.904874][ T7993]  ? device_add+0xc35/0x1aa0
[  469.909468][ T7993]  device_add+0x289/0x1aa0
[  469.913882][ T7993]  ? device_initialize+0x510/0x510
[  469.918987][ T7993]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  469.925838][ T7993]  ? __init_waitqueue_head+0xca/0x150
[  469.931219][ T7993]  netdev_register_kobject+0x183/0x3f0
[  469.936691][ T7993]  register_netdevice+0xbe6/0x14b0
[  469.941812][ T7993]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  469.947703][ T7993]  ? validate_linkmsg+0x6fc/0x9c0
[  469.952723][ T7993]  br_dev_newlink+0x27/0x110
[  469.957308][ T7993]  ? br_changelink+0x1760/0x1760
[  469.962244][ T7993]  __rtnl_newlink+0x1173/0x1930
[  469.967099][ T7993]  ? rtnl_link_unregister+0x260/0x260
[  469.972487][ T7993]  rtnl_newlink+0x67/0xa0
[  469.976812][ T7993]  ? __rtnl_newlink+0x1930/0x1930
[  469.981863][ T7993]  rtnetlink_rcv_msg+0x3c7/0xe00
[  469.986823][ T7993]  ? rtnl_fill_vf+0x4a0/0x4a0
[  469.991504][ T7993]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  469.997498][ T7993]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  470.003572][ T7993]  netlink_rcv_skb+0x16b/0x440
[  470.008340][ T7993]  ? rtnl_fill_vf+0x4a0/0x4a0
[  470.013013][ T7993]  ? netlink_ack+0x1380/0x1380
[  470.017773][ T7993]  ? lock_sync+0x190/0x190
[  470.022227][ T7993]  ? netlink_deliver_tap+0x1a0/0xd00
[  470.027511][ T7993]  ? _copy_from_iter+0x2c1/0x10f0
[  470.032562][ T7993]  netlink_unicast+0x53b/0x810
[  470.037330][ T7993]  ? netlink_attachskb+0x880/0x880
[  470.042440][ T7993]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  470.048332][ T7993]  ? __phys_addr_symbol+0x30/0x70
[  470.053355][ T7993]  ? __check_object_size+0x323/0x730
[  470.058647][ T7993]  netlink_sendmsg+0x93c/0xe40
[  470.063416][ T7993]  ? netlink_unicast+0x810/0x810
[  470.068353][ T7993]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  470.073635][ T7993]  ? netlink_unicast+0x810/0x810
[  470.078577][ T7993]  __sock_sendmsg+0xd5/0x180
[  470.083164][ T7993]  ____sys_sendmsg+0x6ac/0x940
[  470.087927][ T7993]  ? copy_msghdr_from_user+0x10b/0x160
[  470.093384][ T7993]  ? kernel_sendmsg+0x50/0x50
[  470.098060][ T7993]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  470.104045][ T7993]  ___sys_sendmsg+0x135/0x1d0
[  470.108753][ T7993]  ? do_recvmmsg+0x740/0x740
[  470.113340][ T7993]  ? find_held_lock+0x2d/0x110
[  470.118106][ T7993]  ? preempt_count_sub+0x160/0x160
[  470.123221][ T7993]  ? __fget_light+0x1fc/0x260
[  470.127895][ T7993]  __sys_sendmsg+0x117/0x1e0
[  470.132486][ T7993]  ? __sys_sendmsg_sock+0x30/0x30
[  470.137545][ T7993]  ? syscall_enter_from_user_mode+0x7f/0x120
[  470.143531][ T7993]  do_syscall_64+0x40/0x110
[  470.148034][ T7993]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  470.153934][ T7993] RIP: 0033:0x7ff3fd6020b9
[  470.158344][ T7993] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  470.177954][ T7993] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  470.186365][ T7993] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  470.194330][ T7993] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  470.202293][ T7993] RBP: 0000000000072746 R08: 0000000000000000 R09: 0000000000000006
[  470.210252][ T7993] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  470.218216][ T7993] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  470.226191][ T7993]  </TASK>
[  470.236969][ T7993] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  470.295428][ T7993] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  470.305158][ T7993] CPU: 0 PID: 7993 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  470.315602][ T7993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  470.325683][ T7993] Call Trace:
[  470.328984][ T7993]  <TASK>
[  470.331935][ T7993]  dump_stack_lvl+0x125/0x1b0
[  470.336639][ T7993]  sysfs_warn_dup+0x7f/0xa0
[  470.341164][ T7993]  sysfs_create_dir_ns+0x249/0x2b0
[  470.346290][ T7993]  ? sysfs_create_mount_point+0xb0/0xb0
[  470.351846][ T7993]  ? spin_bug+0x1d0/0x1d0
[  470.356190][ T7993]  ? net_namespace+0x12/0x40
[  470.360797][ T7993]  ? device_namespace+0x8d/0xc0
[  470.365663][ T7993]  kobject_add_internal+0x2c8/0x970
[  470.370867][ T7993]  kobject_add+0x16f/0x240
[  470.375285][ T7993]  ? kset_create_and_add+0x190/0x190
[  470.380567][ T7993]  ? do_raw_spin_unlock+0x173/0x230
[  470.385759][ T7993]  ? kobject_put+0xbe/0x440
[  470.390260][ T7993]  ? device_add+0xc35/0x1aa0
[  470.394852][ T7993]  device_add+0x289/0x1aa0
[  470.399267][ T7993]  ? device_initialize+0x510/0x510
[  470.404373][ T7993]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  470.411229][ T7993]  ? __init_waitqueue_head+0xca/0x150
[  470.416611][ T7993]  netdev_register_kobject+0x183/0x3f0
[  470.422082][ T7993]  register_netdevice+0xbe6/0x14b0
[  470.427199][ T7993]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  470.433095][ T7993]  ? validate_linkmsg+0x6fc/0x9c0
[  470.438119][ T7993]  br_dev_newlink+0x27/0x110
[  470.442712][ T7993]  ? br_changelink+0x1760/0x1760
[  470.447647][ T7993]  __rtnl_newlink+0x1173/0x1930
[  470.452504][ T7993]  ? rtnl_link_unregister+0x260/0x260
[  470.457894][ T7993]  rtnl_newlink+0x67/0xa0
[  470.462221][ T7993]  ? __rtnl_newlink+0x1930/0x1930
[  470.467242][ T7993]  rtnetlink_rcv_msg+0x3c7/0xe00
[  470.472183][ T7993]  ? rtnl_fill_vf+0x4a0/0x4a0
[  470.476862][ T7993]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  470.482843][ T7993]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  470.488831][ T7993]  netlink_rcv_skb+0x16b/0x440
[  470.493600][ T7993]  ? rtnl_fill_vf+0x4a0/0x4a0
[  470.498282][ T7993]  ? netlink_ack+0x1380/0x1380
[  470.503046][ T7993]  ? lock_sync+0x190/0x190
[  470.507472][ T7993]  ? netlink_deliver_tap+0x1a0/0xd00
[  470.512756][ T7993]  ? _copy_from_iter+0x2c1/0x10f0
[  470.517783][ T7993]  netlink_unicast+0x53b/0x810
[  470.522553][ T7993]  ? netlink_attachskb+0x880/0x880
[  470.527664][ T7993]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  470.533559][ T7993]  ? __phys_addr_symbol+0x30/0x70
[  470.538585][ T7993]  ? __check_object_size+0x323/0x730
[  470.543879][ T7993]  netlink_sendmsg+0x93c/0xe40
[  470.548655][ T7993]  ? netlink_unicast+0x810/0x810
[  470.553609][ T7993]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  470.558906][ T7993]  ? netlink_unicast+0x810/0x810
[  470.563853][ T7993]  __sock_sendmsg+0xd5/0x180
[  470.568446][ T7993]  ____sys_sendmsg+0x6ac/0x940
[  470.573214][ T7993]  ? copy_msghdr_from_user+0x10b/0x160
[  470.578675][ T7993]  ? kernel_sendmsg+0x50/0x50
[  470.583362][ T7993]  ___sys_sendmsg+0x135/0x1d0
[  470.588046][ T7993]  ? do_recvmmsg+0x740/0x740
[  470.592641][ T7993]  ? find_held_lock+0x2d/0x110
[  470.597412][ T7993]  ? preempt_count_sub+0x160/0x160
[  470.602526][ T7993]  ? __fget_light+0x1fc/0x260
[  470.607199][ T7993]  __sys_sendmsg+0x117/0x1e0
[  470.611792][ T7993]  ? __sys_sendmsg_sock+0x30/0x30
[  470.616828][ T7993]  ? syscall_enter_from_user_mode+0x7f/0x120
[  470.622813][ T7993]  do_syscall_64+0x40/0x110
[  470.627316][ T7993]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  470.633213][ T7993] RIP: 0033:0x7ff3fd6020b9
[  470.637620][ T7993] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  470.657238][ T7993] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  470.665660][ T7993] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  470.673634][ T7993] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  470.681603][ T7993] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  470.689662][ T7993] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  470.697635][ T7993] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  470.705610][ T7993]  </TASK>
[  470.709703][ T7993] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  470.768920][ T8006] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  470.779522][ T8006] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  470.789742][ T8006] CPU: 1 PID: 8006 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  470.800180][ T8006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  470.810259][ T8006] Call Trace:
[  470.813545][ T8006]  <TASK>
[  470.816473][ T8006]  dump_stack_lvl+0x125/0x1b0
[  470.821156][ T8006]  sysfs_warn_dup+0x7f/0xa0
[  470.825647][ T8006]  sysfs_create_dir_ns+0x249/0x2b0
[  470.830836][ T8006]  ? sysfs_create_mount_point+0xb0/0xb0
[  470.836371][ T8006]  ? spin_bug+0x1d0/0x1d0
[  470.840693][ T8006]  ? net_namespace+0x12/0x40
[  470.845289][ T8006]  ? device_namespace+0x8d/0xc0
[  470.850129][ T8006]  kobject_add_internal+0x2c8/0x970
[  470.855317][ T8006]  kobject_add+0x16f/0x240
[  470.859722][ T8006]  ? kset_create_and_add+0x190/0x190
[  470.864998][ T8006]  ? do_raw_spin_unlock+0x173/0x230
[  470.870178][ T8006]  ? kobject_put+0xbe/0x440
[  470.874668][ T8006]  ? device_add+0xc35/0x1aa0
[  470.879244][ T8006]  device_add+0x289/0x1aa0
[  470.883652][ T8006]  ? device_initialize+0x510/0x510
[  470.888757][ T8006]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  470.895601][ T8006]  ? __init_waitqueue_head+0xca/0x150
[  470.901058][ T8006]  netdev_register_kobject+0x183/0x3f0
[  470.906514][ T8006]  register_netdevice+0xbe6/0x14b0
[  470.911617][ T8006]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  470.917497][ T8006]  ? validate_linkmsg+0x6fc/0x9c0
[  470.922509][ T8006]  br_dev_newlink+0x27/0x110
[  470.927095][ T8006]  ? br_changelink+0x1760/0x1760
[  470.932024][ T8006]  __rtnl_newlink+0x1173/0x1930
[  470.936868][ T8006]  ? rtnl_link_unregister+0x260/0x260
[  470.942243][ T8006]  rtnl_newlink+0x67/0xa0
[  470.946560][ T8006]  ? __rtnl_newlink+0x1930/0x1930
[  470.951570][ T8006]  rtnetlink_rcv_msg+0x3c7/0xe00
[  470.956496][ T8006]  ? rtnl_fill_vf+0x4a0/0x4a0
[  470.961157][ T8006]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  470.967125][ T8006]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  470.973095][ T8006]  netlink_rcv_skb+0x16b/0x440
[  470.977877][ T8006]  ? rtnl_fill_vf+0x4a0/0x4a0
[  470.982540][ T8006]  ? netlink_ack+0x1380/0x1380
[  470.987289][ T8006]  ? lock_sync+0x190/0x190
[  470.991703][ T8006]  ? netlink_deliver_tap+0x1a0/0xd00
[  470.996995][ T8006]  ? _copy_from_iter+0x2c1/0x10f0
[  471.002008][ T8006]  netlink_unicast+0x53b/0x810
[  471.006761][ T8006]  ? netlink_attachskb+0x880/0x880
[  471.011855][ T8006]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  471.017730][ T8006]  ? __phys_addr_symbol+0x30/0x70
[  471.022741][ T8006]  ? __check_object_size+0x323/0x730
[  471.028010][ T8006]  netlink_sendmsg+0x93c/0xe40
[  471.032765][ T8006]  ? netlink_unicast+0x810/0x810
[  471.037690][ T8006]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  471.042960][ T8006]  ? netlink_unicast+0x810/0x810
[  471.047952][ T8006]  __sock_sendmsg+0xd5/0x180
[  471.052556][ T8006]  ____sys_sendmsg+0x6ac/0x940
[  471.057317][ T8006]  ? copy_msghdr_from_user+0x10b/0x160
[  471.062792][ T8006]  ? kernel_sendmsg+0x50/0x50
[  471.067463][ T8006]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  471.073447][ T8006]  ___sys_sendmsg+0x135/0x1d0
[  471.078117][ T8006]  ? do_recvmmsg+0x740/0x740
[  471.082696][ T8006]  ? find_held_lock+0x2d/0x110
[  471.087453][ T8006]  ? preempt_count_sub+0x160/0x160
[  471.092555][ T8006]  ? __fget_light+0x1fc/0x260
[  471.097217][ T8006]  __sys_sendmsg+0x117/0x1e0
[  471.101856][ T8006]  ? __sys_sendmsg_sock+0x30/0x30
[  471.106875][ T8006]  ? xfd_validate_state+0x5d/0x180
[  471.111990][ T8006]  ? syscall_enter_from_user_mode+0x7f/0x120
[  471.117964][ T8006]  do_syscall_64+0x40/0x110
[  471.122458][ T8006]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  471.128363][ T8006] RIP: 0033:0x7ff3fd6020b9
[  471.132762][ T8006] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  471.152359][ T8006] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  471.160758][ T8006] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  471.168713][ T8006] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  471.176670][ T8006] RBP: 0000000000072b0f R08: 0000000000000000 R09: 0000000000000006
[  471.184626][ T8006] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  471.192586][ T8006] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  471.200547][ T8006]  </TASK>
[  471.205583][ T8006] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  471.323353][ T8006] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  471.332729][ T8006] CPU: 1 PID: 8006 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  471.343164][ T8006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  471.353228][ T8006] Call Trace:
[  471.356522][ T8006]  <TASK>
[  471.359466][ T8006]  dump_stack_lvl+0x125/0x1b0
[  471.364169][ T8006]  sysfs_warn_dup+0x7f/0xa0
[  471.368694][ T8006]  sysfs_create_dir_ns+0x249/0x2b0
[  471.373863][ T8006]  ? sysfs_create_mount_point+0xb0/0xb0
[  471.379425][ T8006]  ? spin_bug+0x1d0/0x1d0
[  471.383770][ T8006]  ? net_namespace+0x12/0x40
[  471.388383][ T8006]  ? device_namespace+0x8d/0xc0
[  471.393267][ T8006]  kobject_add_internal+0x2c8/0x970
[  471.398503][ T8006]  kobject_add+0x16f/0x240
[  471.402937][ T8006]  ? kset_create_and_add+0x190/0x190
[  471.408265][ T8006]  ? do_raw_spin_unlock+0x173/0x230
[  471.413479][ T8006]  ? kobject_put+0xbe/0x440
[  471.418019][ T8006]  ? device_add+0xc35/0x1aa0
[  471.422656][ T8006]  device_add+0x289/0x1aa0
[  471.427100][ T8006]  ? device_initialize+0x510/0x510
[  471.432243][ T8006]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  471.439127][ T8006]  ? __init_waitqueue_head+0xca/0x150
[  471.444533][ T8006]  netdev_register_kobject+0x183/0x3f0
[  471.450008][ T8006]  register_netdevice+0xbe6/0x14b0
[  471.455132][ T8006]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  471.461030][ T8006]  ? validate_linkmsg+0x6fc/0x9c0
[  471.466063][ T8006]  br_dev_newlink+0x27/0x110
[  471.470651][ T8006]  ? br_changelink+0x1760/0x1760
[  471.475588][ T8006]  __rtnl_newlink+0x1173/0x1930
[  471.480442][ T8006]  ? rtnl_link_unregister+0x260/0x260
[  471.485834][ T8006]  rtnl_newlink+0x67/0xa0
[  471.490163][ T8006]  ? __rtnl_newlink+0x1930/0x1930
[  471.495183][ T8006]  rtnetlink_rcv_msg+0x3c7/0xe00
[  471.500135][ T8006]  ? rtnl_fill_vf+0x4a0/0x4a0
[  471.504809][ T8006]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  471.510830][ T8006]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  471.516820][ T8006]  netlink_rcv_skb+0x16b/0x440
[  471.521617][ T8006]  ? rtnl_fill_vf+0x4a0/0x4a0
[  471.526296][ T8006]  ? netlink_ack+0x1380/0x1380
[  471.531070][ T8006]  ? lock_sync+0x190/0x190
[  471.535499][ T8006]  ? netlink_deliver_tap+0x1a0/0xd00
[  471.540787][ T8006]  ? _copy_from_iter+0x2c1/0x10f0
[  471.545816][ T8006]  netlink_unicast+0x53b/0x810
[  471.550591][ T8006]  ? netlink_attachskb+0x880/0x880
[  471.555793][ T8006]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  471.561689][ T8006]  ? __phys_addr_symbol+0x30/0x70
[  471.566715][ T8006]  ? __check_object_size+0x323/0x730
[  471.572000][ T8006]  netlink_sendmsg+0x93c/0xe40
[  471.576770][ T8006]  ? netlink_unicast+0x810/0x810
[  471.581713][ T8006]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  471.586997][ T8006]  ? netlink_unicast+0x810/0x810
[  471.591940][ T8006]  __sock_sendmsg+0xd5/0x180
[  471.596531][ T8006]  ____sys_sendmsg+0x6ac/0x940
[  471.601294][ T8006]  ? copy_msghdr_from_user+0x10b/0x160
[  471.606757][ T8006]  ? kernel_sendmsg+0x50/0x50
[  471.611446][ T8006]  ___sys_sendmsg+0x135/0x1d0
[  471.616123][ T8006]  ? do_recvmmsg+0x740/0x740
[  471.620714][ T8006]  ? find_held_lock+0x2d/0x110
[  471.625483][ T8006]  ? preempt_count_sub+0x160/0x160
[  471.630599][ T8006]  ? __fget_light+0x1fc/0x260
[  471.635273][ T8006]  __sys_sendmsg+0x117/0x1e0
[  471.639870][ T8006]  ? __sys_sendmsg_sock+0x30/0x30
[  471.644903][ T8006]  ? syscall_enter_from_user_mode+0x7f/0x120
[  471.650886][ T8006]  do_syscall_64+0x40/0x110
[  471.655386][ T8006]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  471.661279][ T8006] RIP: 0033:0x7ff3fd6020b9
[  471.665685][ T8006] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  471.685297][ T8006] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  471.693714][ T8006] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  471.701684][ T8006] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  471.709654][ T8006] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  471.717621][ T8006] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  471.725589][ T8006] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  471.733565][ T8006]  </TASK>
[  471.737957][ T8006] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  471.788193][ T8015] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  471.798613][ T8015] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  471.808035][ T8015] CPU: 0 PID: 8015 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  471.818476][ T8015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  471.828558][ T8015] Call Trace:
[  471.831850][ T8015]  <TASK>
[  471.834791][ T8015]  dump_stack_lvl+0x125/0x1b0
[  471.839485][ T8015]  sysfs_warn_dup+0x7f/0xa0
[  471.844008][ T8015]  sysfs_create_dir_ns+0x249/0x2b0
[  471.849139][ T8015]  ? sysfs_create_mount_point+0xb0/0xb0
[  471.854709][ T8015]  ? spin_bug+0x1d0/0x1d0
[  471.859052][ T8015]  ? net_namespace+0x12/0x40
[  471.863665][ T8015]  ? device_namespace+0x8d/0xc0
[  471.868520][ T8015]  kobject_add_internal+0x2c8/0x970
[  471.873723][ T8015]  kobject_add+0x16f/0x240
[  471.878145][ T8015]  ? kset_create_and_add+0x190/0x190
[  471.883448][ T8015]  ? do_raw_spin_unlock+0x173/0x230
[  471.888641][ T8015]  ? kobject_put+0xbe/0x440
[  471.893142][ T8015]  ? device_add+0xc35/0x1aa0
[  471.897732][ T8015]  device_add+0x289/0x1aa0
[  471.902147][ T8015]  ? device_initialize+0x510/0x510
[  471.907250][ T8015]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  471.914099][ T8015]  ? __init_waitqueue_head+0xca/0x150
[  471.919475][ T8015]  netdev_register_kobject+0x183/0x3f0
[  471.924935][ T8015]  register_netdevice+0xbe6/0x14b0
[  471.930046][ T8015]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  471.935942][ T8015]  ? validate_linkmsg+0x6fc/0x9c0
[  471.940966][ T8015]  br_dev_newlink+0x27/0x110
[  471.945558][ T8015]  ? br_changelink+0x1760/0x1760
[  471.950499][ T8015]  __rtnl_newlink+0x1173/0x1930
[  471.955362][ T8015]  ? rtnl_link_unregister+0x260/0x260
[  471.960754][ T8015]  rtnl_newlink+0x67/0xa0
[  471.965079][ T8015]  ? __rtnl_newlink+0x1930/0x1930
[  471.970096][ T8015]  rtnetlink_rcv_msg+0x3c7/0xe00
[  471.975032][ T8015]  ? rtnl_fill_vf+0x4a0/0x4a0
[  471.979706][ T8015]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  471.985685][ T8015]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  471.991671][ T8015]  netlink_rcv_skb+0x16b/0x440
[  471.996443][ T8015]  ? rtnl_fill_vf+0x4a0/0x4a0
[  472.001116][ T8015]  ? netlink_ack+0x1380/0x1380
[  472.005880][ T8015]  ? lock_sync+0x190/0x190
[  472.010303][ T8015]  ? netlink_deliver_tap+0x1a0/0xd00
[  472.015588][ T8015]  ? _copy_from_iter+0x2c1/0x10f0
[  472.020612][ T8015]  netlink_unicast+0x53b/0x810
[  472.025381][ T8015]  ? netlink_attachskb+0x880/0x880
[  472.030492][ T8015]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  472.036380][ T8015]  ? __phys_addr_symbol+0x30/0x70
[  472.041400][ T8015]  ? __check_object_size+0x323/0x730
[  472.046690][ T8015]  netlink_sendmsg+0x93c/0xe40
[  472.051459][ T8015]  ? netlink_unicast+0x810/0x810
[  472.056433][ T8015]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  472.061716][ T8015]  ? netlink_unicast+0x810/0x810
[  472.066652][ T8015]  __sock_sendmsg+0xd5/0x180
[  472.071245][ T8015]  ____sys_sendmsg+0x6ac/0x940
[  472.076005][ T8015]  ? copy_msghdr_from_user+0x10b/0x160
[  472.081462][ T8015]  ? kernel_sendmsg+0x50/0x50
[  472.086139][ T8015]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  472.092125][ T8015]  ___sys_sendmsg+0x135/0x1d0
[  472.096801][ T8015]  ? do_recvmmsg+0x740/0x740
[  472.101390][ T8015]  ? find_held_lock+0x2d/0x110
[  472.106164][ T8015]  ? preempt_count_sub+0x160/0x160
[  472.111280][ T8015]  ? __fget_light+0x1fc/0x260
[  472.115951][ T8015]  __sys_sendmsg+0x117/0x1e0
[  472.120562][ T8015]  ? __sys_sendmsg_sock+0x30/0x30
[  472.125582][ T8015]  ? xfd_validate_state+0x5d/0x180
[  472.130707][ T8015]  ? syscall_enter_from_user_mode+0x7f/0x120
[  472.136693][ T8015]  do_syscall_64+0x40/0x110
[  472.141193][ T8015]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  472.147084][ T8015] RIP: 0033:0x7ff3fd6020b9
[  472.151495][ T8015] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  472.171099][ T8015] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  472.179504][ T8015] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  472.187469][ T8015] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  472.195434][ T8015] RBP: 0000000000072eda R08: 0000000000000000 R09: 0000000000000006
[  472.203399][ T8015] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  472.211372][ T8015] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  472.219341][ T8015]  </TASK>
[  472.222922][ T8015] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  472.265948][ T8015] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  472.275250][ T8015] CPU: 1 PID: 8015 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  472.285677][ T8015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  472.295750][ T8015] Call Trace:
[  472.299039][ T8015]  <TASK>
[  472.301978][ T8015]  dump_stack_lvl+0x125/0x1b0
[  472.306670][ T8015]  sysfs_warn_dup+0x7f/0xa0
[  472.311177][ T8015]  sysfs_create_dir_ns+0x249/0x2b0
[  472.316275][ T8015]  ? sysfs_create_mount_point+0xb0/0xb0
[  472.321807][ T8015]  ? spin_bug+0x1d0/0x1d0
[  472.326120][ T8015]  ? net_namespace+0x12/0x40
[  472.330704][ T8015]  ? device_namespace+0x8d/0xc0
[  472.335548][ T8015]  kobject_add_internal+0x2c8/0x970
[  472.340736][ T8015]  kobject_add+0x16f/0x240
[  472.345171][ T8015]  ? kset_create_and_add+0x190/0x190
[  472.350470][ T8015]  ? do_raw_spin_unlock+0x173/0x230
[  472.355653][ T8015]  ? kobject_put+0xbe/0x440
[  472.360145][ T8015]  ? device_add+0xc35/0x1aa0
[  472.364754][ T8015]  device_add+0x289/0x1aa0
[  472.369179][ T8015]  ? device_initialize+0x510/0x510
[  472.374275][ T8015]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  472.381120][ T8015]  ? __init_waitqueue_head+0xca/0x150
[  472.386498][ T8015]  netdev_register_kobject+0x183/0x3f0
[  472.391966][ T8015]  register_netdevice+0xbe6/0x14b0
[  472.397087][ T8015]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  472.402983][ T8015]  ? validate_linkmsg+0x6fc/0x9c0
[  472.408015][ T8015]  br_dev_newlink+0x27/0x110
[  472.412606][ T8015]  ? br_changelink+0x1760/0x1760
[  472.417539][ T8015]  __rtnl_newlink+0x1173/0x1930
[  472.422396][ T8015]  ? rtnl_link_unregister+0x260/0x260
[  472.427789][ T8015]  rtnl_newlink+0x67/0xa0
[  472.432123][ T8015]  ? __rtnl_newlink+0x1930/0x1930
[  472.437145][ T8015]  rtnetlink_rcv_msg+0x3c7/0xe00
[  472.442081][ T8015]  ? rtnl_fill_vf+0x4a0/0x4a0
[  472.446757][ T8015]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  472.452738][ T8015]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  472.458727][ T8015]  netlink_rcv_skb+0x16b/0x440
[  472.463497][ T8015]  ? rtnl_fill_vf+0x4a0/0x4a0
[  472.468176][ T8015]  ? netlink_ack+0x1380/0x1380
[  472.472938][ T8015]  ? lock_sync+0x190/0x190
[  472.477367][ T8015]  ? netlink_deliver_tap+0x1a0/0xd00
[  472.482652][ T8015]  ? _copy_from_iter+0x2c1/0x10f0
[  472.487682][ T8015]  netlink_unicast+0x53b/0x810
[  472.492450][ T8015]  ? netlink_attachskb+0x880/0x880
[  472.497563][ T8015]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  472.503453][ T8015]  ? __phys_addr_symbol+0x30/0x70
[  472.508476][ T8015]  ? __check_object_size+0x323/0x730
[  472.513761][ T8015]  netlink_sendmsg+0x93c/0xe40
[  472.518533][ T8015]  ? netlink_unicast+0x810/0x810
[  472.523475][ T8015]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  472.528784][ T8015]  ? netlink_unicast+0x810/0x810
[  472.533721][ T8015]  __sock_sendmsg+0xd5/0x180
[  472.538373][ T8015]  ____sys_sendmsg+0x6ac/0x940
[  472.543180][ T8015]  ? copy_msghdr_from_user+0x10b/0x160
[  472.548656][ T8015]  ? kernel_sendmsg+0x50/0x50
[  472.553339][ T8015]  ? hlock_class+0x4e/0x130
[  472.557848][ T8015]  ? __lock_acquire+0x14e0/0x3b10
[  472.562879][ T8015]  ___sys_sendmsg+0x135/0x1d0
[  472.567559][ T8015]  ? do_recvmmsg+0x740/0x740
[  472.572150][ T8015]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  472.578133][ T8015]  ? find_held_lock+0x2d/0x110
[  472.582916][ T8015]  ? __fget_light+0x1fc/0x260
[  472.587595][ T8015]  __sys_sendmsg+0x117/0x1e0
[  472.592188][ T8015]  ? __sys_sendmsg_sock+0x30/0x30
[  472.597211][ T8015]  ? xfd_validate_state+0x5d/0x180
[  472.602331][ T8015]  ? syscall_enter_from_user_mode+0x7f/0x120
[  472.608314][ T8015]  do_syscall_64+0x40/0x110
[  472.612816][ T8015]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  472.618712][ T8015] RIP: 0033:0x7ff3fd6020b9
[  472.623119][ T8015] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  472.642721][ T8015] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  472.651127][ T8015] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  472.659090][ T8015] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  472.667051][ T8015] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  472.675012][ T8015] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  472.682977][ T8015] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  472.690949][ T8015]  </TASK>
[  472.695223][ T8015] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  472.738549][ T8024] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  472.749137][ T8024] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  472.758845][ T8024] CPU: 1 PID: 8024 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  472.769289][ T8024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  472.779370][ T8024] Call Trace:
[  472.782664][ T8024]  <TASK>
[  472.785611][ T8024]  dump_stack_lvl+0x125/0x1b0
[  472.790324][ T8024]  sysfs_warn_dup+0x7f/0xa0
[  472.794859][ T8024]  sysfs_create_dir_ns+0x249/0x2b0
[  472.800007][ T8024]  ? sysfs_create_mount_point+0xb0/0xb0
[  472.805575][ T8024]  ? spin_bug+0x1d0/0x1d0
[  472.809926][ T8024]  ? net_namespace+0x12/0x40
[  472.814533][ T8024]  ? device_namespace+0x8d/0xc0
[  472.819425][ T8024]  kobject_add_internal+0x2c8/0x970
[  472.824662][ T8024]  kobject_add+0x16f/0x240
[  472.829105][ T8024]  ? kset_create_and_add+0x190/0x190
[  472.834425][ T8024]  ? do_raw_spin_unlock+0x173/0x230
[  472.839644][ T8024]  ? kobject_put+0xbe/0x440
[  472.844179][ T8024]  ? device_add+0xc35/0x1aa0
[  472.848797][ T8024]  device_add+0x289/0x1aa0
[  472.853229][ T8024]  ? device_initialize+0x510/0x510
[  472.858361][ T8024]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  472.865239][ T8024]  ? __init_waitqueue_head+0xca/0x150
[  472.870647][ T8024]  netdev_register_kobject+0x183/0x3f0
[  472.876140][ T8024]  register_netdevice+0xbe6/0x14b0
[  472.881283][ T8024]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  472.887210][ T8024]  ? validate_linkmsg+0x6fc/0x9c0
[  472.892256][ T8024]  br_dev_newlink+0x27/0x110
[  472.896867][ T8024]  ? br_changelink+0x1760/0x1760
[  472.901818][ T8024]  __rtnl_newlink+0x1173/0x1930
[  472.906702][ T8024]  ? rtnl_link_unregister+0x260/0x260
[  472.912130][ T8024]  rtnl_newlink+0x67/0xa0
[  472.916486][ T8024]  ? __rtnl_newlink+0x1930/0x1930
[  472.921531][ T8024]  rtnetlink_rcv_msg+0x3c7/0xe00
[  472.926506][ T8024]  ? rtnl_fill_vf+0x4a0/0x4a0
[  472.931213][ T8024]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  472.937222][ T8024]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  472.943229][ T8024]  netlink_rcv_skb+0x16b/0x440
[  472.948028][ T8024]  ? rtnl_fill_vf+0x4a0/0x4a0
[  472.952732][ T8024]  ? netlink_ack+0x1380/0x1380
[  472.957518][ T8024]  ? lock_sync+0x190/0x190
[  472.961970][ T8024]  ? netlink_deliver_tap+0x1a0/0xd00
[  472.967283][ T8024]  ? _copy_from_iter+0x2c1/0x10f0
[  472.972346][ T8024]  netlink_unicast+0x53b/0x810
[  472.977144][ T8024]  ? netlink_attachskb+0x880/0x880
[  472.982278][ T8024]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  472.988188][ T8024]  ? __phys_addr_symbol+0x30/0x70
[  472.993234][ T8024]  ? __check_object_size+0x323/0x730
[  472.998545][ T8024]  netlink_sendmsg+0x93c/0xe40
[  473.003353][ T8024]  ? netlink_unicast+0x810/0x810
[  473.008326][ T8024]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  473.013632][ T8024]  ? netlink_unicast+0x810/0x810
[  473.018589][ T8024]  __sock_sendmsg+0xd5/0x180
[  473.023208][ T8024]  ____sys_sendmsg+0x6ac/0x940
[  473.027991][ T8024]  ? copy_msghdr_from_user+0x10b/0x160
[  473.033478][ T8024]  ? kernel_sendmsg+0x50/0x50
[  473.038190][ T8024]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  473.044198][ T8024]  ___sys_sendmsg+0x135/0x1d0
[  473.048905][ T8024]  ? do_recvmmsg+0x740/0x740
[  473.053509][ T8024]  ? find_held_lock+0x2d/0x110
[  473.058286][ T8024]  ? preempt_count_sub+0x160/0x160
[  473.063405][ T8024]  ? __fget_light+0x1fc/0x260
[  473.068085][ T8024]  __sys_sendmsg+0x117/0x1e0
[  473.072682][ T8024]  ? __sys_sendmsg_sock+0x30/0x30
[  473.077713][ T8024]  ? xfd_validate_state+0x5d/0x180
[  473.082836][ T8024]  ? syscall_enter_from_user_mode+0x7f/0x120
[  473.088819][ T8024]  do_syscall_64+0x40/0x110
[  473.093324][ T8024]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  473.099247][ T8024] RIP: 0033:0x7ff3fd6020b9
[  473.103704][ T8024] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  473.123314][ T8024] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  473.131749][ T8024] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  473.139716][ T8024] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  473.147683][ T8024] RBP: 00000000000732d5 R08: 0000000000000000 R09: 0000000000000006
[  473.155647][ T8024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  473.163612][ T8024] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  473.171590][ T8024]  </TASK>
[  473.175900][ T8024] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  473.214020][ T8024] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  473.223302][ T8024] CPU: 1 PID: 8024 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  473.233737][ T8024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  473.243815][ T8024] Call Trace:
[  473.247103][ T8024]  <TASK>
[  473.250048][ T8024]  dump_stack_lvl+0x125/0x1b0
[  473.254747][ T8024]  sysfs_warn_dup+0x7f/0xa0
[  473.259275][ T8024]  sysfs_create_dir_ns+0x249/0x2b0
[  473.264405][ T8024]  ? sysfs_create_mount_point+0xb0/0xb0
[  473.269999][ T8024]  ? spin_bug+0x1d0/0x1d0
[  473.274458][ T8024]  ? net_namespace+0x12/0x40
[  473.279070][ T8024]  ? device_namespace+0x8d/0xc0
[  473.283951][ T8024]  kobject_add_internal+0x2c8/0x970
[  473.289175][ T8024]  kobject_add+0x16f/0x240
[  473.293595][ T8024]  ? kset_create_and_add+0x190/0x190
[  473.298881][ T8024]  ? do_raw_spin_unlock+0x173/0x230
[  473.304073][ T8024]  ? kobject_put+0xbe/0x440
[  473.308580][ T8024]  ? device_add+0xc35/0x1aa0
[  473.313170][ T8024]  device_add+0x289/0x1aa0
[  473.317584][ T8024]  ? device_initialize+0x510/0x510
[  473.322774][ T8024]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  473.329634][ T8024]  ? __init_waitqueue_head+0xca/0x150
[  473.335018][ T8024]  netdev_register_kobject+0x183/0x3f0
[  473.340484][ T8024]  register_netdevice+0xbe6/0x14b0
[  473.345603][ T8024]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  473.351497][ T8024]  ? validate_linkmsg+0x6fc/0x9c0
[  473.356518][ T8024]  br_dev_newlink+0x27/0x110
[  473.361105][ T8024]  ? br_changelink+0x1760/0x1760
[  473.366036][ T8024]  __rtnl_newlink+0x1173/0x1930
[  473.370891][ T8024]  ? rtnl_link_unregister+0x260/0x260
[  473.376279][ T8024]  rtnl_newlink+0x67/0xa0
[  473.380604][ T8024]  ? __rtnl_newlink+0x1930/0x1930
[  473.385627][ T8024]  rtnetlink_rcv_msg+0x3c7/0xe00
[  473.390567][ T8024]  ? rtnl_fill_vf+0x4a0/0x4a0
[  473.395244][ T8024]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  473.401313][ T8024]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  473.407302][ T8024]  netlink_rcv_skb+0x16b/0x440
[  473.412097][ T8024]  ? rtnl_fill_vf+0x4a0/0x4a0
[  473.416789][ T8024]  ? netlink_ack+0x1380/0x1380
[  473.421561][ T8024]  ? lock_sync+0x190/0x190
[  473.425996][ T8024]  ? netlink_deliver_tap+0x1a0/0xd00
[  473.431285][ T8024]  ? _copy_from_iter+0x2c1/0x10f0
[  473.436320][ T8024]  netlink_unicast+0x53b/0x810
[  473.441091][ T8024]  ? netlink_attachskb+0x880/0x880
[  473.446203][ T8024]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  473.452096][ T8024]  ? __phys_addr_symbol+0x30/0x70
[  473.457119][ T8024]  ? __check_object_size+0x323/0x730
[  473.462405][ T8024]  netlink_sendmsg+0x93c/0xe40
[  473.467177][ T8024]  ? netlink_unicast+0x810/0x810
[  473.472118][ T8024]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  473.477400][ T8024]  ? netlink_unicast+0x810/0x810
[  473.482343][ T8024]  __sock_sendmsg+0xd5/0x180
[  473.486932][ T8024]  ____sys_sendmsg+0x6ac/0x940
[  473.491705][ T8024]  ? copy_msghdr_from_user+0x10b/0x160
[  473.497162][ T8024]  ? kernel_sendmsg+0x50/0x50
[  473.501836][ T8024]  ? hlock_class+0x4e/0x130
[  473.506334][ T8024]  ? __lock_acquire+0x14e0/0x3b10
[  473.511365][ T8024]  ___sys_sendmsg+0x135/0x1d0
[  473.516044][ T8024]  ? do_recvmmsg+0x740/0x740
[  473.520630][ T8024]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  473.526619][ T8024]  ? find_held_lock+0x2d/0x110
[  473.531399][ T8024]  ? __fget_light+0x1fc/0x260
[  473.536077][ T8024]  __sys_sendmsg+0x117/0x1e0
[  473.540676][ T8024]  ? __sys_sendmsg_sock+0x30/0x30
[  473.545717][ T8024]  ? __do_sys_rseq+0x750/0x750
[  473.550487][ T8024]  ? syscall_enter_from_user_mode+0x7f/0x120
[  473.556504][ T8024]  do_syscall_64+0x40/0x110
[  473.561007][ T8024]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  473.566990][ T8024] RIP: 0033:0x7ff3fd6020b9
[  473.571398][ T8024] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  473.591052][ T8024] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  473.599465][ T8024] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  473.607436][ T8024] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  473.615404][ T8024] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  473.623372][ T8024] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  473.631339][ T8024] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  473.639314][ T8024]  </TASK>
[  473.646812][ T8024] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  473.699315][ T8044] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  473.709850][ T8044] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  473.719108][ T8044] CPU: 1 PID: 8044 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  473.729542][ T8044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  473.739626][ T8044] Call Trace:
[  473.742923][ T8044]  <TASK>
[  473.745864][ T8044]  dump_stack_lvl+0x125/0x1b0
[  473.750576][ T8044]  sysfs_warn_dup+0x7f/0xa0
[  473.755120][ T8044]  sysfs_create_dir_ns+0x249/0x2b0
[  473.760257][ T8044]  ? sysfs_create_mount_point+0xb0/0xb0
[  473.765832][ T8044]  ? spin_bug+0x1d0/0x1d0
[  473.770177][ T8044]  ? net_namespace+0x12/0x40
[  473.774788][ T8044]  ? device_namespace+0x8d/0xc0
[  473.779672][ T8044]  kobject_add_internal+0x2c8/0x970
[  473.784879][ T8044]  kobject_add+0x16f/0x240
[  473.789293][ T8044]  ? kset_create_and_add+0x190/0x190
[  473.794580][ T8044]  ? do_raw_spin_unlock+0x173/0x230
[  473.799776][ T8044]  ? kobject_put+0xbe/0x440
[  473.804275][ T8044]  ? device_add+0xc35/0x1aa0
[  473.808868][ T8044]  device_add+0x289/0x1aa0
[  473.813281][ T8044]  ? device_initialize+0x510/0x510
[  473.818383][ T8044]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  473.825231][ T8044]  ? __init_waitqueue_head+0xca/0x150
[  473.830605][ T8044]  netdev_register_kobject+0x183/0x3f0
[  473.836069][ T8044]  register_netdevice+0xbe6/0x14b0
[  473.841186][ T8044]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  473.847084][ T8044]  ? validate_linkmsg+0x6fc/0x9c0
[  473.852110][ T8044]  br_dev_newlink+0x27/0x110
[  473.856700][ T8044]  ? br_changelink+0x1760/0x1760
[  473.861632][ T8044]  __rtnl_newlink+0x1173/0x1930
[  473.866493][ T8044]  ? rtnl_link_unregister+0x260/0x260
[  473.871880][ T8044]  rtnl_newlink+0x67/0xa0
[  473.876207][ T8044]  ? __rtnl_newlink+0x1930/0x1930
[  473.881229][ T8044]  rtnetlink_rcv_msg+0x3c7/0xe00
[  473.886165][ T8044]  ? rtnl_fill_vf+0x4a0/0x4a0
[  473.890836][ T8044]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  473.896816][ T8044]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  473.902802][ T8044]  netlink_rcv_skb+0x16b/0x440
[  473.907571][ T8044]  ? rtnl_fill_vf+0x4a0/0x4a0
[  473.912244][ T8044]  ? netlink_ack+0x1380/0x1380
[  473.917003][ T8044]  ? lock_sync+0x190/0x190
[  473.921429][ T8044]  ? netlink_deliver_tap+0x1a0/0xd00
[  473.926806][ T8044]  ? _copy_from_iter+0x2c1/0x10f0
[  473.931835][ T8044]  netlink_unicast+0x53b/0x810
[  473.936606][ T8044]  ? netlink_attachskb+0x880/0x880
[  473.941713][ T8044]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  473.947604][ T8044]  ? __phys_addr_symbol+0x30/0x70
[  473.952624][ T8044]  ? __check_object_size+0x323/0x730
[  473.957909][ T8044]  netlink_sendmsg+0x93c/0xe40
[  473.962677][ T8044]  ? netlink_unicast+0x810/0x810
[  473.967616][ T8044]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  473.972897][ T8044]  ? netlink_unicast+0x810/0x810
[  473.977835][ T8044]  __sock_sendmsg+0xd5/0x180
[  473.982423][ T8044]  ____sys_sendmsg+0x6ac/0x940
[  473.987187][ T8044]  ? copy_msghdr_from_user+0x10b/0x160
[  473.992646][ T8044]  ? kernel_sendmsg+0x50/0x50
[  473.997324][ T8044]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  474.003323][ T8044]  ___sys_sendmsg+0x135/0x1d0
[  474.008000][ T8044]  ? do_recvmmsg+0x740/0x740
[  474.012591][ T8044]  ? find_held_lock+0x2d/0x110
[  474.017362][ T8044]  ? preempt_count_sub+0x160/0x160
[  474.022480][ T8044]  ? __fget_light+0x1fc/0x260
[  474.027153][ T8044]  __sys_sendmsg+0x117/0x1e0
[  474.031742][ T8044]  ? __sys_sendmsg_sock+0x30/0x30
[  474.036760][ T8044]  ? xfd_validate_state+0x5d/0x180
[  474.041884][ T8044]  ? syscall_enter_from_user_mode+0x7f/0x120
[  474.047868][ T8044]  do_syscall_64+0x40/0x110
[  474.052368][ T8044]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  474.058260][ T8044] RIP: 0033:0x7ff3fd6020b9
[  474.062668][ T8044] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  474.082268][ T8044] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  474.090673][ T8044] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  474.098635][ T8044] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  474.106601][ T8044] RBP: 000000000007368c R08: 0000000000000000 R09: 0000000000000006
[  474.114564][ T8044] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  474.122524][ T8044] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  474.130501][ T8044]  </TASK>
[  474.135693][ T8044] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  474.213452][ T8044] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  474.222849][ T8044] CPU: 1 PID: 8044 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  474.233282][ T8044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  474.243362][ T8044] Call Trace:
[  474.246629][ T8044]  <TASK>
[  474.249566][ T8044]  dump_stack_lvl+0x125/0x1b0
[  474.254255][ T8044]  sysfs_warn_dup+0x7f/0xa0
[  474.258754][ T8044]  sysfs_create_dir_ns+0x249/0x2b0
[  474.263853][ T8044]  ? sysfs_create_mount_point+0xb0/0xb0
[  474.269384][ T8044]  ? spin_bug+0x1d0/0x1d0
[  474.273704][ T8044]  ? net_namespace+0x12/0x40
[  474.278282][ T8044]  ? device_namespace+0x8d/0xc0
[  474.283125][ T8044]  kobject_add_internal+0x2c8/0x970
[  474.288313][ T8044]  kobject_add+0x16f/0x240
[  474.292716][ T8044]  ? kset_create_and_add+0x190/0x190
[  474.297986][ T8044]  ? do_raw_spin_unlock+0x173/0x230
[  474.303167][ T8044]  ? kobject_put+0xbe/0x440
[  474.307656][ T8044]  ? device_add+0xc35/0x1aa0
[  474.312234][ T8044]  device_add+0x289/0x1aa0
[  474.316638][ T8044]  ? device_initialize+0x510/0x510
[  474.321737][ T8044]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  474.328571][ T8044]  ? __init_waitqueue_head+0xca/0x150
[  474.333934][ T8044]  netdev_register_kobject+0x183/0x3f0
[  474.339386][ T8044]  register_netdevice+0xbe6/0x14b0
[  474.344526][ T8044]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  474.350408][ T8044]  ? validate_linkmsg+0x6fc/0x9c0
[  474.355419][ T8044]  br_dev_newlink+0x27/0x110
[  474.360000][ T8044]  ? br_changelink+0x1760/0x1760
[  474.364921][ T8044]  __rtnl_newlink+0x1173/0x1930
[  474.369767][ T8044]  ? rtnl_link_unregister+0x260/0x260
[  474.375161][ T8044]  rtnl_newlink+0x67/0xa0
[  474.379477][ T8044]  ? __rtnl_newlink+0x1930/0x1930
[  474.384490][ T8044]  rtnetlink_rcv_msg+0x3c7/0xe00
[  474.389423][ T8044]  ? rtnl_fill_vf+0x4a0/0x4a0
[  474.394086][ T8044]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  474.400061][ T8044]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  474.406059][ T8044]  netlink_rcv_skb+0x16b/0x440
[  474.410818][ T8044]  ? rtnl_fill_vf+0x4a0/0x4a0
[  474.415565][ T8044]  ? netlink_ack+0x1380/0x1380
[  474.420360][ T8044]  ? lock_sync+0x190/0x190
[  474.424790][ T8044]  ? netlink_deliver_tap+0x1a0/0xd00
[  474.430065][ T8044]  ? _copy_from_iter+0x2c1/0x10f0
[  474.435083][ T8044]  netlink_unicast+0x53b/0x810
[  474.439839][ T8044]  ? netlink_attachskb+0x880/0x880
[  474.444934][ T8044]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  474.450814][ T8044]  ? __phys_addr_symbol+0x30/0x70
[  474.455821][ T8044]  ? __check_object_size+0x323/0x730
[  474.461098][ T8044]  netlink_sendmsg+0x93c/0xe40
[  474.465854][ T8044]  ? netlink_unicast+0x810/0x810
[  474.470781][ T8044]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  474.476061][ T8044]  ? netlink_unicast+0x810/0x810
[  474.480989][ T8044]  __sock_sendmsg+0xd5/0x180
[  474.485568][ T8044]  ____sys_sendmsg+0x6ac/0x940
[  474.490314][ T8044]  ? copy_msghdr_from_user+0x10b/0x160
[  474.495794][ T8044]  ? kernel_sendmsg+0x50/0x50
[  474.500461][ T8044]  ___sys_sendmsg+0x135/0x1d0
[  474.505143][ T8044]  ? do_recvmmsg+0x740/0x740
[  474.509724][ T8044]  ? find_held_lock+0x2d/0x110
[  474.514481][ T8044]  ? preempt_count_sub+0x160/0x160
[  474.519581][ T8044]  ? __fget_light+0x1fc/0x260
[  474.524241][ T8044]  __sys_sendmsg+0x117/0x1e0
[  474.528819][ T8044]  ? __sys_sendmsg_sock+0x30/0x30
[  474.533839][ T8044]  ? syscall_enter_from_user_mode+0x7f/0x120
[  474.539812][ T8044]  do_syscall_64+0x40/0x110
[  474.544301][ T8044]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  474.550180][ T8044] RIP: 0033:0x7ff3fd6020b9
[  474.554577][ T8044] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  474.574169][ T8044] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  474.582566][ T8044] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  474.590519][ T8044] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  474.598470][ T8044] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  474.606437][ T8044] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  474.614391][ T8044] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  474.622350][ T8044]  </TASK>
[  474.626323][ T8044] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  474.687909][ T8054] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  474.698535][ T8054] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  474.708027][ T8054] CPU: 0 PID: 8054 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  474.718464][ T8054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  474.728538][ T8054] Call Trace:
[  474.731838][ T8054]  <TASK>
[  474.734793][ T8054]  dump_stack_lvl+0x125/0x1b0
[  474.739494][ T8054]  sysfs_warn_dup+0x7f/0xa0
[  474.744017][ T8054]  sysfs_create_dir_ns+0x249/0x2b0
[  474.749153][ T8054]  ? sysfs_create_mount_point+0xb0/0xb0
[  474.754733][ T8054]  ? spin_bug+0x1d0/0x1d0
[  474.759182][ T8054]  ? net_namespace+0x12/0x40
[  474.763797][ T8054]  ? device_namespace+0x8d/0xc0
[  474.768677][ T8054]  kobject_add_internal+0x2c8/0x970
[  474.773906][ T8054]  kobject_add+0x16f/0x240
[  474.778342][ T8054]  ? kset_create_and_add+0x190/0x190
[  474.783641][ T8054]  ? do_raw_spin_unlock+0x173/0x230
[  474.788877][ T8054]  ? kobject_put+0xbe/0x440
[  474.793411][ T8054]  ? device_add+0xc35/0x1aa0
[  474.798022][ T8054]  device_add+0x289/0x1aa0
[  474.802471][ T8054]  ? device_initialize+0x510/0x510
[  474.807604][ T8054]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  474.814473][ T8054]  ? __init_waitqueue_head+0xca/0x150
[  474.819875][ T8054]  netdev_register_kobject+0x183/0x3f0
[  474.825357][ T8054]  register_netdevice+0xbe6/0x14b0
[  474.830497][ T8054]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  474.836429][ T8054]  ? validate_linkmsg+0x6fc/0x9c0
[  474.841482][ T8054]  br_dev_newlink+0x27/0x110
[  474.846090][ T8054]  ? br_changelink+0x1760/0x1760
[  474.851047][ T8054]  __rtnl_newlink+0x1173/0x1930
[  474.855963][ T8054]  ? rtnl_link_unregister+0x260/0x260
[  474.861389][ T8054]  rtnl_newlink+0x67/0xa0
[  474.865734][ T8054]  ? __rtnl_newlink+0x1930/0x1930
[  474.870775][ T8054]  rtnetlink_rcv_msg+0x3c7/0xe00
[  474.875745][ T8054]  ? rtnl_fill_vf+0x4a0/0x4a0
[  474.880456][ T8054]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  474.886517][ T8054]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  474.892563][ T8054]  netlink_rcv_skb+0x16b/0x440
[  474.897383][ T8054]  ? rtnl_fill_vf+0x4a0/0x4a0
[  474.902086][ T8054]  ? netlink_ack+0x1380/0x1380
[  474.906875][ T8054]  ? lock_sync+0x190/0x190
[  474.911332][ T8054]  ? netlink_deliver_tap+0x1a0/0xd00
[  474.916640][ T8054]  ? _copy_from_iter+0x2c1/0x10f0
[  474.921802][ T8054]  netlink_unicast+0x53b/0x810
[  474.926603][ T8054]  ? netlink_attachskb+0x880/0x880
[  474.931751][ T8054]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  474.937685][ T8054]  ? __phys_addr_symbol+0x30/0x70
[  474.942740][ T8054]  ? __check_object_size+0x323/0x730
[  474.948062][ T8054]  netlink_sendmsg+0x93c/0xe40
[  474.952955][ T8054]  ? netlink_unicast+0x810/0x810
[  474.957937][ T8054]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  474.963248][ T8054]  ? netlink_unicast+0x810/0x810
[  474.968219][ T8054]  __sock_sendmsg+0xd5/0x180
[  474.972837][ T8054]  ____sys_sendmsg+0x6ac/0x940
[  474.977631][ T8054]  ? copy_msghdr_from_user+0x10b/0x160
[  474.983109][ T8054]  ? kernel_sendmsg+0x50/0x50
[  474.987808][ T8054]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  474.993823][ T8054]  ___sys_sendmsg+0x135/0x1d0
[  474.998537][ T8054]  ? do_recvmmsg+0x740/0x740
[  475.003144][ T8054]  ? find_held_lock+0x2d/0x110
[  475.007933][ T8054]  ? preempt_count_sub+0x160/0x160
[  475.013051][ T8054]  ? __fget_light+0x1fc/0x260
[  475.017716][ T8054]  __sys_sendmsg+0x117/0x1e0
[  475.022297][ T8054]  ? __sys_sendmsg_sock+0x30/0x30
[  475.027327][ T8054]  ? xfd_validate_state+0x5d/0x180
[  475.032435][ T8054]  ? syscall_enter_from_user_mode+0x7f/0x120
[  475.038403][ T8054]  do_syscall_64+0x40/0x110
[  475.042893][ T8054]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  475.048777][ T8054] RIP: 0033:0x7ff3fd6020b9
[  475.053176][ T8054] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  475.072788][ T8054] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  475.081186][ T8054] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  475.089138][ T8054] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  475.097088][ T8054] RBP: 0000000000073a4d R08: 0000000000000000 R09: 0000000000000006
[  475.105040][ T8054] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  475.112994][ T8054] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  475.120956][ T8054]  </TASK>
[  475.125440][ T8054] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  475.164365][ T8054] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  475.173663][ T8054] CPU: 0 PID: 8054 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  475.184096][ T8054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  475.194170][ T8054] Call Trace:
[  475.197478][ T8054]  <TASK>
[  475.200438][ T8054]  dump_stack_lvl+0x125/0x1b0
[  475.205142][ T8054]  sysfs_warn_dup+0x7f/0xa0
[  475.209673][ T8054]  sysfs_create_dir_ns+0x249/0x2b0
[  475.214805][ T8054]  ? sysfs_create_mount_point+0xb0/0xb0
[  475.220385][ T8054]  ? spin_bug+0x1d0/0x1d0
[  475.224755][ T8054]  ? net_namespace+0x12/0x40
[  475.229362][ T8054]  ? device_namespace+0x8d/0xc0
[  475.234259][ T8054]  kobject_add_internal+0x2c8/0x970
[  475.239478][ T8054]  kobject_add+0x16f/0x240
[  475.243910][ T8054]  ? kset_create_and_add+0x190/0x190
[  475.249217][ T8054]  ? do_raw_spin_unlock+0x173/0x230
[  475.254438][ T8054]  ? kobject_put+0xbe/0x440
[  475.258962][ T8054]  ? device_add+0xc35/0x1aa0
[  475.263579][ T8054]  device_add+0x289/0x1aa0
[  475.268010][ T8054]  ? device_initialize+0x510/0x510
[  475.273147][ T8054]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  475.280032][ T8054]  ? __init_waitqueue_head+0xca/0x150
[  475.285438][ T8054]  netdev_register_kobject+0x183/0x3f0
[  475.290937][ T8054]  register_netdevice+0xbe6/0x14b0
[  475.296077][ T8054]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  475.302000][ T8054]  ? validate_linkmsg+0x6fc/0x9c0
[  475.307056][ T8054]  br_dev_newlink+0x27/0x110
[  475.311678][ T8054]  ? br_changelink+0x1760/0x1760
[  475.316645][ T8054]  __rtnl_newlink+0x1173/0x1930
[  475.321539][ T8054]  ? rtnl_link_unregister+0x260/0x260
[  475.326958][ T8054]  rtnl_newlink+0x67/0xa0
[  475.331341][ T8054]  ? __rtnl_newlink+0x1930/0x1930
[  475.336381][ T8054]  rtnetlink_rcv_msg+0x3c7/0xe00
[  475.341355][ T8054]  ? rtnl_fill_vf+0x4a0/0x4a0
[  475.346050][ T8054]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  475.352052][ T8054]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  475.358070][ T8054]  netlink_rcv_skb+0x16b/0x440
[  475.362866][ T8054]  ? rtnl_fill_vf+0x4a0/0x4a0
[  475.367651][ T8054]  ? netlink_ack+0x1380/0x1380
[  475.372430][ T8054]  ? lock_sync+0x190/0x190
[  475.376885][ T8054]  ? netlink_deliver_tap+0x1a0/0xd00
[  475.382197][ T8054]  ? _copy_from_iter+0x2c1/0x10f0
[  475.387241][ T8054]  netlink_unicast+0x53b/0x810
[  475.392032][ T8054]  ? netlink_attachskb+0x880/0x880
[  475.397160][ T8054]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  475.403070][ T8054]  ? __phys_addr_symbol+0x30/0x70
[  475.408121][ T8054]  ? __check_object_size+0x323/0x730
[  475.413427][ T8054]  netlink_sendmsg+0x93c/0xe40
[  475.418217][ T8054]  ? netlink_unicast+0x810/0x810
[  475.423173][ T8054]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  475.428482][ T8054]  ? netlink_unicast+0x810/0x810
[  475.433439][ T8054]  __sock_sendmsg+0xd5/0x180
[  475.438086][ T8054]  ____sys_sendmsg+0x6ac/0x940
[  475.442868][ T8054]  ? copy_msghdr_from_user+0x10b/0x160
[  475.448366][ T8054]  ? kernel_sendmsg+0x50/0x50
[  475.453059][ T8054]  ? hlock_class+0x4e/0x130
[  475.457580][ T8054]  ? __lock_acquire+0x14e0/0x3b10
[  475.462634][ T8054]  ___sys_sendmsg+0x135/0x1d0
[  475.467344][ T8054]  ? do_recvmmsg+0x740/0x740
[  475.471962][ T8054]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  475.477960][ T8054]  ? find_held_lock+0x2d/0x110
[  475.482760][ T8054]  ? __fget_light+0x1fc/0x260
[  475.487440][ T8054]  __sys_sendmsg+0x117/0x1e0
[  475.492033][ T8054]  ? __sys_sendmsg_sock+0x30/0x30
[  475.497043][ T8054]  ? xfd_validate_state+0x5d/0x180
[  475.502151][ T8054]  ? syscall_enter_from_user_mode+0x7f/0x120
[  475.508118][ T8054]  do_syscall_64+0x40/0x110
[  475.512606][ T8054]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  475.518488][ T8054] RIP: 0033:0x7ff3fd6020b9
[  475.522887][ T8054] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  475.542491][ T8054] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  475.550886][ T8054] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  475.558839][ T8054] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  475.566792][ T8054] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  475.574751][ T8054] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  475.582706][ T8054] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  475.590682][ T8054]  </TASK>
[  475.594662][ T8054] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  475.659027][ T8083] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  475.669564][ T8083] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  475.679388][ T8083] CPU: 1 PID: 8083 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  475.689819][ T8083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  475.699877][ T8083] Call Trace:
[  475.703164][ T8083]  <TASK>
[  475.706109][ T8083]  dump_stack_lvl+0x125/0x1b0
[  475.710823][ T8083]  sysfs_warn_dup+0x7f/0xa0
[  475.715352][ T8083]  sysfs_create_dir_ns+0x249/0x2b0
[  475.720480][ T8083]  ? sysfs_create_mount_point+0xb0/0xb0
[  475.726056][ T8083]  ? spin_bug+0x1d0/0x1d0
[  475.730409][ T8083]  ? net_namespace+0x12/0x40
[  475.735006][ T8083]  ? device_namespace+0x8d/0xc0
[  475.739864][ T8083]  kobject_add_internal+0x2c8/0x970
[  475.745067][ T8083]  kobject_add+0x16f/0x240
[  475.749480][ T8083]  ? kset_create_and_add+0x190/0x190
[  475.754761][ T8083]  ? do_raw_spin_unlock+0x173/0x230
[  475.759952][ T8083]  ? kobject_put+0xbe/0x440
[  475.764451][ T8083]  ? device_add+0xc35/0x1aa0
[  475.769041][ T8083]  device_add+0x289/0x1aa0
[  475.773459][ T8083]  ? device_initialize+0x510/0x510
[  475.778566][ T8083]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  475.785452][ T8083]  ? __init_waitqueue_head+0xca/0x150
[  475.790854][ T8083]  netdev_register_kobject+0x183/0x3f0
[  475.796328][ T8083]  register_netdevice+0xbe6/0x14b0
[  475.801452][ T8083]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  475.807358][ T8083]  ? validate_linkmsg+0x6fc/0x9c0
[  475.812394][ T8083]  br_dev_newlink+0x27/0x110
[  475.816991][ T8083]  ? br_changelink+0x1760/0x1760
[  475.821923][ T8083]  __rtnl_newlink+0x1173/0x1930
[  475.826781][ T8083]  ? rtnl_link_unregister+0x260/0x260
[  475.832202][ T8083]  rtnl_newlink+0x67/0xa0
[  475.836551][ T8083]  ? __rtnl_newlink+0x1930/0x1930
[  475.841586][ T8083]  rtnetlink_rcv_msg+0x3c7/0xe00
[  475.846536][ T8083]  ? rtnl_fill_vf+0x4a0/0x4a0
[  475.851216][ T8083]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  475.857194][ T8083]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  475.863179][ T8083]  netlink_rcv_skb+0x16b/0x440
[  475.867943][ T8083]  ? rtnl_fill_vf+0x4a0/0x4a0
[  475.872618][ T8083]  ? netlink_ack+0x1380/0x1380
[  475.877377][ T8083]  ? lock_sync+0x190/0x190
[  475.881806][ T8083]  ? netlink_deliver_tap+0x1a0/0xd00
[  475.887089][ T8083]  ? _copy_from_iter+0x2c1/0x10f0
[  475.892113][ T8083]  netlink_unicast+0x53b/0x810
[  475.896877][ T8083]  ? netlink_attachskb+0x880/0x880
[  475.901986][ T8083]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  475.907874][ T8083]  ? __phys_addr_symbol+0x30/0x70
[  475.912892][ T8083]  ? __check_object_size+0x323/0x730
[  475.918173][ T8083]  netlink_sendmsg+0x93c/0xe40
[  475.922941][ T8083]  ? netlink_unicast+0x810/0x810
[  475.927881][ T8083]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  475.933165][ T8083]  ? netlink_unicast+0x810/0x810
[  475.938104][ T8083]  __sock_sendmsg+0xd5/0x180
[  475.942691][ T8083]  ____sys_sendmsg+0x6ac/0x940
[  475.947455][ T8083]  ? copy_msghdr_from_user+0x10b/0x160
[  475.952914][ T8083]  ? kernel_sendmsg+0x50/0x50
[  475.957594][ T8083]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  475.963605][ T8083]  ___sys_sendmsg+0x135/0x1d0
[  475.968288][ T8083]  ? do_recvmmsg+0x740/0x740
[  475.972873][ T8083]  ? find_held_lock+0x2d/0x110
[  475.977645][ T8083]  ? preempt_count_sub+0x160/0x160
[  475.982758][ T8083]  ? __fget_light+0x1fc/0x260
[  475.987430][ T8083]  __sys_sendmsg+0x117/0x1e0
[  475.992023][ T8083]  ? __sys_sendmsg_sock+0x30/0x30
[  475.997044][ T8083]  ? xfd_validate_state+0x5d/0x180
[  476.002168][ T8083]  ? syscall_enter_from_user_mode+0x7f/0x120
[  476.008151][ T8083]  do_syscall_64+0x40/0x110
[  476.012653][ T8083]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  476.018544][ T8083] RIP: 0033:0x7ff3fd6020b9
[  476.022958][ T8083] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  476.042577][ T8083] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  476.050989][ T8083] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  476.058953][ T8083] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  476.066920][ T8083] RBP: 0000000000073e29 R08: 0000000000000000 R09: 0000000000000006
[  476.074882][ T8083] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  476.082850][ T8083] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  476.090828][ T8083]  </TASK>
[  476.097275][ T8083] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  476.154382][ T8083] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  476.163766][ T8083] CPU: 1 PID: 8083 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  476.174202][ T8083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  476.184277][ T8083] Call Trace:
[  476.187574][ T8083]  <TASK>
[  476.190520][ T8083]  dump_stack_lvl+0x125/0x1b0
[  476.195216][ T8083]  sysfs_warn_dup+0x7f/0xa0
[  476.199740][ T8083]  sysfs_create_dir_ns+0x249/0x2b0
[  476.204877][ T8083]  ? sysfs_create_mount_point+0xb0/0xb0
[  476.210455][ T8083]  ? spin_bug+0x1d0/0x1d0
[  476.214807][ T8083]  ? net_namespace+0x12/0x40
[  476.219423][ T8083]  ? device_namespace+0x8d/0xc0
[  476.224299][ T8083]  kobject_add_internal+0x2c8/0x970
[  476.229507][ T8083]  kobject_add+0x16f/0x240
[  476.233930][ T8083]  ? kset_create_and_add+0x190/0x190
[  476.239216][ T8083]  ? do_raw_spin_unlock+0x173/0x230
[  476.244412][ T8083]  ? kobject_put+0xbe/0x440
[  476.248925][ T8083]  ? device_add+0xc35/0x1aa0
[  476.253517][ T8083]  device_add+0x289/0x1aa0
[  476.257931][ T8083]  ? device_initialize+0x510/0x510
[  476.263038][ T8083]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  476.269886][ T8083]  ? __init_waitqueue_head+0xca/0x150
[  476.275263][ T8083]  netdev_register_kobject+0x183/0x3f0
[  476.280732][ T8083]  register_netdevice+0xbe6/0x14b0
[  476.285846][ T8083]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  476.291740][ T8083]  ? validate_linkmsg+0x6fc/0x9c0
[  476.296766][ T8083]  br_dev_newlink+0x27/0x110
[  476.301367][ T8083]  ? br_changelink+0x1760/0x1760
[  476.306305][ T8083]  __rtnl_newlink+0x1173/0x1930
[  476.311165][ T8083]  ? rtnl_link_unregister+0x260/0x260
[  476.316554][ T8083]  rtnl_newlink+0x67/0xa0
[  476.320883][ T8083]  ? __rtnl_newlink+0x1930/0x1930
[  476.325910][ T8083]  rtnetlink_rcv_msg+0x3c7/0xe00
[  476.330852][ T8083]  ? rtnl_fill_vf+0x4a0/0x4a0
[  476.335527][ T8083]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  476.341510][ T8083]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  476.347584][ T8083]  netlink_rcv_skb+0x16b/0x440
[  476.352350][ T8083]  ? rtnl_fill_vf+0x4a0/0x4a0
[  476.357026][ T8083]  ? netlink_ack+0x1380/0x1380
[  476.361787][ T8083]  ? lock_sync+0x190/0x190
[  476.366212][ T8083]  ? netlink_deliver_tap+0x1a0/0xd00
[  476.371500][ T8083]  ? _copy_from_iter+0x2c1/0x10f0
[  476.376622][ T8083]  netlink_unicast+0x53b/0x810
[  476.381390][ T8083]  ? netlink_attachskb+0x880/0x880
[  476.386499][ T8083]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  476.392388][ T8083]  ? __phys_addr_symbol+0x30/0x70
[  476.397414][ T8083]  ? __check_object_size+0x323/0x730
[  476.402725][ T8083]  netlink_sendmsg+0x93c/0xe40
[  476.407501][ T8083]  ? netlink_unicast+0x810/0x810
[  476.412454][ T8083]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  476.417742][ T8083]  ? netlink_unicast+0x810/0x810
[  476.422684][ T8083]  __sock_sendmsg+0xd5/0x180
[  476.427275][ T8083]  ____sys_sendmsg+0x6ac/0x940
[  476.432036][ T8083]  ? copy_msghdr_from_user+0x10b/0x160
[  476.437496][ T8083]  ? kernel_sendmsg+0x50/0x50
[  476.442174][ T8083]  ? hlock_class+0x4e/0x130
[  476.446674][ T8083]  ? __lock_acquire+0x14e0/0x3b10
[  476.451701][ T8083]  ___sys_sendmsg+0x135/0x1d0
[  476.456380][ T8083]  ? do_recvmmsg+0x740/0x740
[  476.460967][ T8083]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  476.466949][ T8083]  ? find_held_lock+0x2d/0x110
[  476.471728][ T8083]  ? __fget_light+0x1fc/0x260
[  476.476400][ T8083]  __sys_sendmsg+0x117/0x1e0
[  476.480994][ T8083]  ? __sys_sendmsg_sock+0x30/0x30
[  476.486107][ T8083]  ? __do_sys_rseq+0x750/0x750
[  476.490882][ T8083]  ? syscall_enter_from_user_mode+0x7f/0x120
[  476.496881][ T8083]  do_syscall_64+0x40/0x110
[  476.501387][ T8083]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  476.507292][ T8083] RIP: 0033:0x7ff3fd6020b9
[  476.511702][ T8083] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  476.531307][ T8083] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  476.539713][ T8083] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  476.547677][ T8083] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  476.555677][ T8083] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  476.563661][ T8083] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  476.571640][ T8083] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  476.579619][ T8083]  </TASK>
[  476.584697][ T8083] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  476.648127][ T8096] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  476.658766][ T8096] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  476.668480][ T8096] CPU: 1 PID: 8096 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  476.678923][ T8096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  476.689011][ T8096] Call Trace:
[  476.692300][ T8096]  <TASK>
[  476.695234][ T8096]  dump_stack_lvl+0x125/0x1b0
[  476.699914][ T8096]  sysfs_warn_dup+0x7f/0xa0
[  476.704420][ T8096]  sysfs_create_dir_ns+0x249/0x2b0
[  476.709528][ T8096]  ? sysfs_create_mount_point+0xb0/0xb0
[  476.715069][ T8096]  ? spin_bug+0x1d0/0x1d0
[  476.719396][ T8096]  ? net_namespace+0x12/0x40
[  476.723985][ T8096]  ? device_namespace+0x8d/0xc0
[  476.728835][ T8096]  kobject_add_internal+0x2c8/0x970
[  476.734032][ T8096]  kobject_add+0x16f/0x240
[  476.738440][ T8096]  ? kset_create_and_add+0x190/0x190
[  476.743720][ T8096]  ? do_raw_spin_unlock+0x173/0x230
[  476.748908][ T8096]  ? kobject_put+0xbe/0x440
[  476.753402][ T8096]  ? device_add+0xc35/0x1aa0
[  476.757980][ T8096]  device_add+0x289/0x1aa0
[  476.762386][ T8096]  ? device_initialize+0x510/0x510
[  476.767481][ T8096]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  476.774324][ T8096]  ? __init_waitqueue_head+0xca/0x150
[  476.779688][ T8096]  netdev_register_kobject+0x183/0x3f0
[  476.785142][ T8096]  register_netdevice+0xbe6/0x14b0
[  476.790246][ T8096]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  476.796133][ T8096]  ? validate_linkmsg+0x6fc/0x9c0
[  476.801154][ T8096]  br_dev_newlink+0x27/0x110
[  476.805736][ T8096]  ? br_changelink+0x1760/0x1760
[  476.810662][ T8096]  __rtnl_newlink+0x1173/0x1930
[  476.815532][ T8096]  ? rtnl_link_unregister+0x260/0x260
[  476.820908][ T8096]  rtnl_newlink+0x67/0xa0
[  476.825227][ T8096]  ? __rtnl_newlink+0x1930/0x1930
[  476.830254][ T8096]  rtnetlink_rcv_msg+0x3c7/0xe00
[  476.835180][ T8096]  ? rtnl_fill_vf+0x4a0/0x4a0
[  476.839864][ T8096]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  476.845857][ T8096]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  476.851833][ T8096]  netlink_rcv_skb+0x16b/0x440
[  476.856586][ T8096]  ? rtnl_fill_vf+0x4a0/0x4a0
[  476.861273][ T8096]  ? netlink_ack+0x1380/0x1380
[  476.866025][ T8096]  ? lock_sync+0x190/0x190
[  476.870435][ T8096]  ? netlink_deliver_tap+0x1a0/0xd00
[  476.875715][ T8096]  ? _copy_from_iter+0x2c1/0x10f0
[  476.880741][ T8096]  netlink_unicast+0x53b/0x810
[  476.885496][ T8096]  ? netlink_attachskb+0x880/0x880
[  476.890593][ T8096]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  476.896477][ T8096]  ? __phys_addr_symbol+0x30/0x70
[  476.901491][ T8096]  ? __check_object_size+0x323/0x730
[  476.906770][ T8096]  netlink_sendmsg+0x93c/0xe40
[  476.911526][ T8096]  ? netlink_unicast+0x810/0x810
[  476.916456][ T8096]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  476.921734][ T8096]  ? netlink_unicast+0x810/0x810
[  476.926684][ T8096]  __sock_sendmsg+0xd5/0x180
[  476.931265][ T8096]  ____sys_sendmsg+0x6ac/0x940
[  476.936015][ T8096]  ? copy_msghdr_from_user+0x10b/0x160
[  476.941481][ T8096]  ? kernel_sendmsg+0x50/0x50
[  476.946144][ T8096]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  476.952115][ T8096]  ___sys_sendmsg+0x135/0x1d0
[  476.956782][ T8096]  ? do_recvmmsg+0x740/0x740
[  476.961358][ T8096]  ? find_held_lock+0x2d/0x110
[  476.966114][ T8096]  ? preempt_count_sub+0x160/0x160
[  476.971218][ T8096]  ? __fget_light+0x1fc/0x260
[  476.975880][ T8096]  __sys_sendmsg+0x117/0x1e0
[  476.980459][ T8096]  ? __sys_sendmsg_sock+0x30/0x30
[  476.985468][ T8096]  ? xfd_validate_state+0x5d/0x180
[  476.990594][ T8096]  ? syscall_enter_from_user_mode+0x7f/0x120
[  476.996572][ T8096]  do_syscall_64+0x40/0x110
[  477.001064][ T8096]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  477.006944][ T8096] RIP: 0033:0x7ff3fd6020b9
[  477.011358][ T8096] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  477.030959][ T8096] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  477.039378][ T8096] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  477.047350][ T8096] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  477.055312][ T8096] RBP: 00000000000741f4 R08: 0000000000000000 R09: 0000000000000006
[  477.063271][ T8096] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  477.071232][ T8096] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  477.079197][ T8096]  </TASK>
[  477.084123][ T8096] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  477.123260][ T8096] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  477.132608][ T8096] CPU: 0 PID: 8096 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  477.143045][ T8096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  477.153118][ T8096] Call Trace:
[  477.156402][ T8096]  <TASK>
[  477.159343][ T8096]  dump_stack_lvl+0x125/0x1b0
[  477.164047][ T8096]  sysfs_warn_dup+0x7f/0xa0
[  477.168571][ T8096]  sysfs_create_dir_ns+0x249/0x2b0
[  477.173703][ T8096]  ? sysfs_create_mount_point+0xb0/0xb0
[  477.179292][ T8096]  ? spin_bug+0x1d0/0x1d0
[  477.183652][ T8096]  ? net_namespace+0x12/0x40
[  477.188267][ T8096]  ? device_namespace+0x8d/0xc0
[  477.193177][ T8096]  kobject_add_internal+0x2c8/0x970
[  477.198386][ T8096]  kobject_add+0x16f/0x240
[  477.202807][ T8096]  ? kset_create_and_add+0x190/0x190
[  477.208094][ T8096]  ? do_raw_spin_unlock+0x173/0x230
[  477.213287][ T8096]  ? kobject_put+0xbe/0x440
[  477.217788][ T8096]  ? device_add+0xc35/0x1aa0
[  477.222378][ T8096]  device_add+0x289/0x1aa0
[  477.226791][ T8096]  ? device_initialize+0x510/0x510
[  477.231920][ T8096]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  477.238789][ T8096]  ? __init_waitqueue_head+0xca/0x150
[  477.244173][ T8096]  netdev_register_kobject+0x183/0x3f0
[  477.249639][ T8096]  register_netdevice+0xbe6/0x14b0
[  477.254772][ T8096]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  477.260688][ T8096]  ? validate_linkmsg+0x6fc/0x9c0
[  477.265720][ T8096]  br_dev_newlink+0x27/0x110
[  477.270307][ T8096]  ? br_changelink+0x1760/0x1760
[  477.275238][ T8096]  __rtnl_newlink+0x1173/0x1930
[  477.280094][ T8096]  ? rtnl_link_unregister+0x260/0x260
[  477.285483][ T8096]  rtnl_newlink+0x67/0xa0
[  477.289813][ T8096]  ? __rtnl_newlink+0x1930/0x1930
[  477.294844][ T8096]  rtnetlink_rcv_msg+0x3c7/0xe00
[  477.299789][ T8096]  ? rtnl_fill_vf+0x4a0/0x4a0
[  477.304468][ T8096]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  477.310455][ T8096]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  477.316470][ T8096]  netlink_rcv_skb+0x16b/0x440
[  477.321256][ T8096]  ? rtnl_fill_vf+0x4a0/0x4a0
[  477.325934][ T8096]  ? netlink_ack+0x1380/0x1380
[  477.330703][ T8096]  ? lock_sync+0x190/0x190
[  477.335131][ T8096]  ? netlink_deliver_tap+0x1a0/0xd00
[  477.340413][ T8096]  ? _copy_from_iter+0x2c1/0x10f0
[  477.345442][ T8096]  netlink_unicast+0x53b/0x810
[  477.350213][ T8096]  ? netlink_attachskb+0x880/0x880
[  477.355326][ T8096]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  477.361217][ T8096]  ? __phys_addr_symbol+0x30/0x70
[  477.366238][ T8096]  ? __check_object_size+0x323/0x730
[  477.371520][ T8096]  netlink_sendmsg+0x93c/0xe40
[  477.376289][ T8096]  ? netlink_unicast+0x810/0x810
[  477.381228][ T8096]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  477.386511][ T8096]  ? netlink_unicast+0x810/0x810
[  477.391474][ T8096]  __sock_sendmsg+0xd5/0x180
[  477.396064][ T8096]  ____sys_sendmsg+0x6ac/0x940
[  477.400825][ T8096]  ? copy_msghdr_from_user+0x10b/0x160
[  477.406280][ T8096]  ? kernel_sendmsg+0x50/0x50
[  477.410983][ T8096]  ? hlock_class+0x4e/0x130
[  477.415484][ T8096]  ? __lock_acquire+0x14e0/0x3b10
[  477.420511][ T8096]  ___sys_sendmsg+0x135/0x1d0
[  477.425190][ T8096]  ? do_recvmmsg+0x740/0x740
[  477.429776][ T8096]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  477.435756][ T8096]  ? find_held_lock+0x2d/0x110
[  477.440535][ T8096]  ? __fget_light+0x1fc/0x260
[  477.445209][ T8096]  __sys_sendmsg+0x117/0x1e0
[  477.449801][ T8096]  ? __sys_sendmsg_sock+0x30/0x30
[  477.454851][ T8096]  ? __do_sys_rseq+0x750/0x750
[  477.459621][ T8096]  ? syscall_enter_from_user_mode+0x7f/0x120
[  477.465604][ T8096]  do_syscall_64+0x40/0x110
[  477.470104][ T8096]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  477.475997][ T8096] RIP: 0033:0x7ff3fd6020b9
[  477.480402][ T8096] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  477.500009][ T8096] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  477.508420][ T8096] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  477.516384][ T8096] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  477.524350][ T8096] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  477.532332][ T8096] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  477.540296][ T8096] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  477.548269][ T8096]  </TASK>
[  477.555844][ T8096] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  477.628309][ T8105] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  477.638819][ T8105] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  477.648956][ T8105] CPU: 0 PID: 8105 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  477.659401][ T8105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  477.669476][ T8105] Call Trace:
[  477.672772][ T8105]  <TASK>
[  477.675711][ T8105]  dump_stack_lvl+0x125/0x1b0
[  477.680412][ T8105]  sysfs_warn_dup+0x7f/0xa0
[  477.684934][ T8105]  sysfs_create_dir_ns+0x249/0x2b0
[  477.690070][ T8105]  ? sysfs_create_mount_point+0xb0/0xb0
[  477.695636][ T8105]  ? spin_bug+0x1d0/0x1d0
[  477.699997][ T8105]  ? net_namespace+0x12/0x40
[  477.704606][ T8105]  ? device_namespace+0x8d/0xc0
[  477.709485][ T8105]  kobject_add_internal+0x2c8/0x970
[  477.714718][ T8105]  kobject_add+0x16f/0x240
[  477.719166][ T8105]  ? kset_create_and_add+0x190/0x190
[  477.724474][ T8105]  ? do_raw_spin_unlock+0x173/0x230
[  477.729688][ T8105]  ? kobject_put+0xbe/0x440
[  477.734222][ T8105]  ? device_add+0xc35/0x1aa0
[  477.738863][ T8105]  device_add+0x289/0x1aa0
[  477.743307][ T8105]  ? device_initialize+0x510/0x510
[  477.748446][ T8105]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  477.755329][ T8105]  ? __init_waitqueue_head+0xca/0x150
[  477.760743][ T8105]  netdev_register_kobject+0x183/0x3f0
[  477.766232][ T8105]  register_netdevice+0xbe6/0x14b0
[  477.771378][ T8105]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  477.777303][ T8105]  ? validate_linkmsg+0x6fc/0x9c0
[  477.782356][ T8105]  br_dev_newlink+0x27/0x110
[  477.786978][ T8105]  ? br_changelink+0x1760/0x1760
[  477.791933][ T8105]  __rtnl_newlink+0x1173/0x1930
[  477.796812][ T8105]  ? rtnl_link_unregister+0x260/0x260
[  477.802215][ T8105]  rtnl_newlink+0x67/0xa0
[  477.806551][ T8105]  ? __rtnl_newlink+0x1930/0x1930
[  477.811573][ T8105]  rtnetlink_rcv_msg+0x3c7/0xe00
[  477.816506][ T8105]  ? rtnl_fill_vf+0x4a0/0x4a0
[  477.821211][ T8105]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  477.827187][ T8105]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  477.833172][ T8105]  netlink_rcv_skb+0x16b/0x440
[  477.837935][ T8105]  ? rtnl_fill_vf+0x4a0/0x4a0
[  477.842646][ T8105]  ? netlink_ack+0x1380/0x1380
[  477.847412][ T8105]  ? lock_sync+0x190/0x190
[  477.851832][ T8105]  ? netlink_deliver_tap+0x1a0/0xd00
[  477.857117][ T8105]  ? _copy_from_iter+0x2c1/0x10f0
[  477.862177][ T8105]  netlink_unicast+0x53b/0x810
[  477.866938][ T8105]  ? netlink_attachskb+0x880/0x880
[  477.872065][ T8105]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  477.877978][ T8105]  ? __phys_addr_symbol+0x30/0x70
[  477.882997][ T8105]  ? __check_object_size+0x323/0x730
[  477.888281][ T8105]  netlink_sendmsg+0x93c/0xe40
[  477.893059][ T8105]  ? netlink_unicast+0x810/0x810
[  477.898002][ T8105]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  477.903280][ T8105]  ? netlink_unicast+0x810/0x810
[  477.908215][ T8105]  __sock_sendmsg+0xd5/0x180
[  477.912810][ T8105]  ____sys_sendmsg+0x6ac/0x940
[  477.917600][ T8105]  ? copy_msghdr_from_user+0x10b/0x160
[  477.923058][ T8105]  ? kernel_sendmsg+0x50/0x50
[  477.927733][ T8105]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  477.933720][ T8105]  ___sys_sendmsg+0x135/0x1d0
[  477.938393][ T8105]  ? do_recvmmsg+0x740/0x740
[  477.942987][ T8105]  ? find_held_lock+0x2d/0x110
[  477.947752][ T8105]  ? preempt_count_sub+0x160/0x160
[  477.952862][ T8105]  ? __fget_light+0x1fc/0x260
[  477.957534][ T8105]  __sys_sendmsg+0x117/0x1e0
[  477.962129][ T8105]  ? __sys_sendmsg_sock+0x30/0x30
[  477.967170][ T8105]  ? syscall_enter_from_user_mode+0x7f/0x120
[  477.973147][ T8105]  do_syscall_64+0x40/0x110
[  477.977647][ T8105]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  477.983534][ T8105] RIP: 0033:0x7ff3fd6020b9
[  477.987936][ T8105] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  478.007534][ T8105] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  478.015965][ T8105] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  478.023925][ T8105] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  478.031889][ T8105] RBP: 00000000000745d1 R08: 0000000000000000 R09: 0000000000000006
[  478.039850][ T8105] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  478.047816][ T8105] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  478.055785][ T8105]  </TASK>
[  478.061121][ T8105] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  478.123796][ T8105] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  478.133012][ T8105] CPU: 0 PID: 8105 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  478.143444][ T8105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  478.153526][ T8105] Call Trace:
[  478.156840][ T8105]  <TASK>
[  478.159784][ T8105]  dump_stack_lvl+0x125/0x1b0
[  478.164489][ T8105]  sysfs_warn_dup+0x7f/0xa0
[  478.169020][ T8105]  sysfs_create_dir_ns+0x249/0x2b0
[  478.174155][ T8105]  ? sysfs_create_mount_point+0xb0/0xb0
[  478.179725][ T8105]  ? spin_bug+0x1d0/0x1d0
[  478.184070][ T8105]  ? net_namespace+0x12/0x40
[  478.188682][ T8105]  ? device_namespace+0x8d/0xc0
[  478.193556][ T8105]  kobject_add_internal+0x2c8/0x970
[  478.198795][ T8105]  kobject_add+0x16f/0x240
[  478.203209][ T8105]  ? kset_create_and_add+0x190/0x190
[  478.208493][ T8105]  ? do_raw_spin_unlock+0x173/0x230
[  478.213687][ T8105]  ? kobject_put+0xbe/0x440
[  478.218184][ T8105]  ? device_add+0xc35/0x1aa0
[  478.222774][ T8105]  device_add+0x289/0x1aa0
[  478.227208][ T8105]  ? device_initialize+0x510/0x510
[  478.232312][ T8105]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  478.239160][ T8105]  ? __init_waitqueue_head+0xca/0x150
[  478.244531][ T8105]  netdev_register_kobject+0x183/0x3f0
[  478.249998][ T8105]  register_netdevice+0xbe6/0x14b0
[  478.255114][ T8105]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  478.261007][ T8105]  ? validate_linkmsg+0x6fc/0x9c0
[  478.266027][ T8105]  br_dev_newlink+0x27/0x110
[  478.270615][ T8105]  ? br_changelink+0x1760/0x1760
[  478.275551][ T8105]  __rtnl_newlink+0x1173/0x1930
[  478.280416][ T8105]  ? rtnl_link_unregister+0x260/0x260
[  478.285812][ T8105]  rtnl_newlink+0x67/0xa0
[  478.290139][ T8105]  ? __rtnl_newlink+0x1930/0x1930
[  478.295158][ T8105]  rtnetlink_rcv_msg+0x3c7/0xe00
[  478.300093][ T8105]  ? rtnl_fill_vf+0x4a0/0x4a0
[  478.304768][ T8105]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  478.310757][ T8105]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  478.316743][ T8105]  netlink_rcv_skb+0x16b/0x440
[  478.321507][ T8105]  ? rtnl_fill_vf+0x4a0/0x4a0
[  478.326184][ T8105]  ? netlink_ack+0x1380/0x1380
[  478.330946][ T8105]  ? lock_sync+0x190/0x190
[  478.335369][ T8105]  ? netlink_deliver_tap+0x1a0/0xd00
[  478.340655][ T8105]  ? _copy_from_iter+0x2c1/0x10f0
[  478.345685][ T8105]  netlink_unicast+0x53b/0x810
[  478.350456][ T8105]  ? netlink_attachskb+0x880/0x880
[  478.355567][ T8105]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  478.361466][ T8105]  ? __phys_addr_symbol+0x30/0x70
[  478.366491][ T8105]  ? __check_object_size+0x323/0x730
[  478.371772][ T8105]  netlink_sendmsg+0x93c/0xe40
[  478.376543][ T8105]  ? netlink_unicast+0x810/0x810
[  478.381671][ T8105]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  478.386954][ T8105]  ? netlink_unicast+0x810/0x810
[  478.391890][ T8105]  __sock_sendmsg+0xd5/0x180
[  478.396479][ T8105]  ____sys_sendmsg+0x6ac/0x940
[  478.401413][ T8105]  ? copy_msghdr_from_user+0x10b/0x160
[  478.406889][ T8105]  ? kernel_sendmsg+0x50/0x50
[  478.411563][ T8105]  ? hlock_class+0x4e/0x130
[  478.416068][ T8105]  ? __lock_acquire+0x14e0/0x3b10
[  478.421097][ T8105]  ___sys_sendmsg+0x135/0x1d0
[  478.425776][ T8105]  ? do_recvmmsg+0x740/0x740
[  478.430359][ T8105]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  478.436339][ T8105]  ? find_held_lock+0x2d/0x110
[  478.441119][ T8105]  ? __fget_light+0x1fc/0x260
[  478.445793][ T8105]  __sys_sendmsg+0x117/0x1e0
[  478.450379][ T8105]  ? __sys_sendmsg_sock+0x30/0x30
[  478.455400][ T8105]  ? xfd_validate_state+0x5d/0x180
[  478.460523][ T8105]  ? syscall_enter_from_user_mode+0x7f/0x120
[  478.466508][ T8105]  do_syscall_64+0x40/0x110
[  478.471009][ T8105]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  478.476902][ T8105] RIP: 0033:0x7ff3fd6020b9
[  478.481313][ T8105] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  478.500919][ T8105] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  478.509326][ T8105] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  478.517294][ T8105] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  478.525261][ T8105] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  478.533226][ T8105] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  478.541195][ T8105] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  478.549171][ T8105]  </TASK>
[  478.552577][ T8105] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  478.611253][ T8119] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  478.622062][ T8119] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  478.632050][ T8119] CPU: 1 PID: 8119 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  478.642504][ T8119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  478.652582][ T8119] Call Trace:
[  478.655874][ T8119]  <TASK>
[  478.658821][ T8119]  dump_stack_lvl+0x125/0x1b0
[  478.663522][ T8119]  sysfs_warn_dup+0x7f/0xa0
[  478.668049][ T8119]  sysfs_create_dir_ns+0x249/0x2b0
[  478.673197][ T8119]  ? sysfs_create_mount_point+0xb0/0xb0
[  478.678771][ T8119]  ? spin_bug+0x1d0/0x1d0
[  478.683219][ T8119]  ? net_namespace+0x12/0x40
[  478.687834][ T8119]  ? device_namespace+0x8d/0xc0
[  478.692706][ T8119]  kobject_add_internal+0x2c8/0x970
[  478.697941][ T8119]  kobject_add+0x16f/0x240
[  478.702376][ T8119]  ? kset_create_and_add+0x190/0x190
[  478.707673][ T8119]  ? do_raw_spin_unlock+0x173/0x230
[  478.712874][ T8119]  ? kobject_put+0xbe/0x440
[  478.717378][ T8119]  ? device_add+0xc35/0x1aa0
[  478.721974][ T8119]  device_add+0x289/0x1aa0
[  478.726394][ T8119]  ? device_initialize+0x510/0x510
[  478.731523][ T8119]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  478.738371][ T8119]  ? __init_waitqueue_head+0xca/0x150
[  478.743752][ T8119]  netdev_register_kobject+0x183/0x3f0
[  478.749221][ T8119]  register_netdevice+0xbe6/0x14b0
[  478.754334][ T8119]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  478.760229][ T8119]  ? validate_linkmsg+0x6fc/0x9c0
[  478.765249][ T8119]  br_dev_newlink+0x27/0x110
[  478.769837][ T8119]  ? br_changelink+0x1760/0x1760
[  478.774770][ T8119]  __rtnl_newlink+0x1173/0x1930
[  478.779629][ T8119]  ? rtnl_link_unregister+0x260/0x260
[  478.785020][ T8119]  rtnl_newlink+0x67/0xa0
[  478.789345][ T8119]  ? __rtnl_newlink+0x1930/0x1930
[  478.794389][ T8119]  rtnetlink_rcv_msg+0x3c7/0xe00
[  478.799350][ T8119]  ? rtnl_fill_vf+0x4a0/0x4a0
[  478.804042][ T8119]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  478.810036][ T8119]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  478.816027][ T8119]  netlink_rcv_skb+0x16b/0x440
[  478.820797][ T8119]  ? rtnl_fill_vf+0x4a0/0x4a0
[  478.825476][ T8119]  ? netlink_ack+0x1380/0x1380
[  478.830240][ T8119]  ? lock_sync+0x190/0x190
[  478.834669][ T8119]  ? netlink_deliver_tap+0x1a0/0xd00
[  478.839955][ T8119]  ? _copy_from_iter+0x2c1/0x10f0
[  478.844986][ T8119]  netlink_unicast+0x53b/0x810
[  478.849757][ T8119]  ? netlink_attachskb+0x880/0x880
[  478.854896][ T8119]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  478.860802][ T8119]  ? __phys_addr_symbol+0x30/0x70
[  478.865826][ T8119]  ? __check_object_size+0x323/0x730
[  478.871145][ T8119]  netlink_sendmsg+0x93c/0xe40
[  478.875918][ T8119]  ? netlink_unicast+0x810/0x810
[  478.880883][ T8119]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  478.886179][ T8119]  ? netlink_unicast+0x810/0x810
[  478.891120][ T8119]  __sock_sendmsg+0xd5/0x180
[  478.895715][ T8119]  ____sys_sendmsg+0x6ac/0x940
[  478.900480][ T8119]  ? copy_msghdr_from_user+0x10b/0x160
[  478.905946][ T8119]  ? kernel_sendmsg+0x50/0x50
[  478.910622][ T8119]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  478.916613][ T8119]  ___sys_sendmsg+0x135/0x1d0
[  478.921316][ T8119]  ? do_recvmmsg+0x740/0x740
[  478.925904][ T8119]  ? find_held_lock+0x2d/0x110
[  478.930672][ T8119]  ? preempt_count_sub+0x160/0x160
[  478.935786][ T8119]  ? __fget_light+0x1fc/0x260
[  478.940462][ T8119]  __sys_sendmsg+0x117/0x1e0
[  478.945055][ T8119]  ? __sys_sendmsg_sock+0x30/0x30
[  478.950074][ T8119]  ? xfd_validate_state+0x5d/0x180
[  478.955194][ T8119]  ? syscall_enter_from_user_mode+0x7f/0x120
[  478.961175][ T8119]  do_syscall_64+0x40/0x110
[  478.965760][ T8119]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  478.971654][ T8119] RIP: 0033:0x7ff3fd6020b9
[  478.976067][ T8119] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  478.995673][ T8119] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  479.004079][ T8119] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  479.012043][ T8119] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  479.020003][ T8119] RBP: 00000000000749a6 R08: 0000000000000000 R09: 0000000000000006
[  479.027963][ T8119] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  479.035928][ T8119] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  479.043906][ T8119]  </TASK>
[  479.049219][ T8119] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  479.115423][ T8119] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  479.125651][ T8119] CPU: 1 PID: 8119 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  479.136088][ T8119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  479.146144][ T8119] Call Trace:
[  479.149417][ T8119]  <TASK>
[  479.152339][ T8119]  dump_stack_lvl+0x125/0x1b0
[  479.157033][ T8119]  sysfs_warn_dup+0x7f/0xa0
[  479.161533][ T8119]  sysfs_create_dir_ns+0x249/0x2b0
[  479.166635][ T8119]  ? sysfs_create_mount_point+0xb0/0xb0
[  479.172165][ T8119]  ? spin_bug+0x1d0/0x1d0
[  479.176548][ T8119]  ? net_namespace+0x12/0x40
[  479.181142][ T8119]  ? device_namespace+0x8d/0xc0
[  479.185987][ T8119]  kobject_add_internal+0x2c8/0x970
[  479.191182][ T8119]  kobject_add+0x16f/0x240
[  479.195582][ T8119]  ? kset_create_and_add+0x190/0x190
[  479.200854][ T8119]  ? do_raw_spin_unlock+0x173/0x230
[  479.206033][ T8119]  ? kobject_put+0xbe/0x440
[  479.210521][ T8119]  ? device_add+0xc35/0x1aa0
[  479.215103][ T8119]  device_add+0x289/0x1aa0
[  479.219506][ T8119]  ? device_initialize+0x510/0x510
[  479.224601][ T8119]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  479.231439][ T8119]  ? __init_waitqueue_head+0xca/0x150
[  479.236808][ T8119]  netdev_register_kobject+0x183/0x3f0
[  479.242277][ T8119]  register_netdevice+0xbe6/0x14b0
[  479.247376][ T8119]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  479.253254][ T8119]  ? validate_linkmsg+0x6fc/0x9c0
[  479.258264][ T8119]  br_dev_newlink+0x27/0x110
[  479.262840][ T8119]  ? br_changelink+0x1760/0x1760
[  479.267764][ T8119]  __rtnl_newlink+0x1173/0x1930
[  479.272609][ T8119]  ? rtnl_link_unregister+0x260/0x260
[  479.277981][ T8119]  rtnl_newlink+0x67/0xa0
[  479.282306][ T8119]  ? __rtnl_newlink+0x1930/0x1930
[  479.287355][ T8119]  rtnetlink_rcv_msg+0x3c7/0xe00
[  479.292280][ T8119]  ? rtnl_fill_vf+0x4a0/0x4a0
[  479.296940][ T8119]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  479.302915][ T8119]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  479.308889][ T8119]  netlink_rcv_skb+0x16b/0x440
[  479.313645][ T8119]  ? rtnl_fill_vf+0x4a0/0x4a0
[  479.318305][ T8119]  ? netlink_ack+0x1380/0x1380
[  479.323053][ T8119]  ? lock_sync+0x190/0x190
[  479.327469][ T8119]  ? netlink_deliver_tap+0x1a0/0xd00
[  479.332742][ T8119]  ? _copy_from_iter+0x2c1/0x10f0
[  479.337757][ T8119]  netlink_unicast+0x53b/0x810
[  479.342509][ T8119]  ? netlink_attachskb+0x880/0x880
[  479.347626][ T8119]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  479.353510][ T8119]  ? __phys_addr_symbol+0x30/0x70
[  479.358523][ T8119]  ? __check_object_size+0x323/0x730
[  479.363806][ T8119]  netlink_sendmsg+0x93c/0xe40
[  479.368563][ T8119]  ? netlink_unicast+0x810/0x810
[  479.373491][ T8119]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  479.378759][ T8119]  ? netlink_unicast+0x810/0x810
[  479.383687][ T8119]  __sock_sendmsg+0xd5/0x180
[  479.388265][ T8119]  ____sys_sendmsg+0x6ac/0x940
[  479.393015][ T8119]  ? copy_msghdr_from_user+0x10b/0x160
[  479.398468][ T8119]  ? kernel_sendmsg+0x50/0x50
[  479.403134][ T8119]  ? hlock_class+0x4e/0x130
[  479.407623][ T8119]  ? __lock_acquire+0x14e0/0x3b10
[  479.412646][ T8119]  ___sys_sendmsg+0x135/0x1d0
[  479.417314][ T8119]  ? do_recvmmsg+0x740/0x740
[  479.421890][ T8119]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  479.427858][ T8119]  ? find_held_lock+0x2d/0x110
[  479.432644][ T8119]  ? __fget_light+0x1fc/0x260
[  479.437306][ T8119]  __sys_sendmsg+0x117/0x1e0
[  479.441883][ T8119]  ? __sys_sendmsg_sock+0x30/0x30
[  479.446921][ T8119]  ? __do_sys_rseq+0x750/0x750
[  479.451677][ T8119]  ? syscall_enter_from_user_mode+0x7f/0x120
[  479.457648][ T8119]  do_syscall_64+0x40/0x110
[  479.462137][ T8119]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  479.468017][ T8119] RIP: 0033:0x7ff3fd6020b9
[  479.472418][ T8119] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  479.492020][ T8119] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  479.500415][ T8119] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  479.508386][ T8119] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  479.516347][ T8119] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  479.524302][ T8119] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  479.532255][ T8119] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  479.540220][ T8119]  </TASK>
[  479.547322][ T8119] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  479.637478][ T8129] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  479.648037][ T8129] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  479.657388][ T8129] CPU: 0 PID: 8129 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  479.667826][ T8129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  479.677897][ T8129] Call Trace:
[  479.681192][ T8129]  <TASK>
[  479.684135][ T8129]  dump_stack_lvl+0x125/0x1b0
[  479.688837][ T8129]  sysfs_warn_dup+0x7f/0xa0
[  479.693362][ T8129]  sysfs_create_dir_ns+0x249/0x2b0
[  479.698510][ T8129]  ? sysfs_create_mount_point+0xb0/0xb0
[  479.704082][ T8129]  ? spin_bug+0x1d0/0x1d0
[  479.708425][ T8129]  ? net_namespace+0x12/0x40
[  479.713030][ T8129]  ? device_namespace+0x8d/0xc0
[  479.717902][ T8129]  kobject_add_internal+0x2c8/0x970
[  479.723129][ T8129]  kobject_add+0x16f/0x240
[  479.727569][ T8129]  ? kset_create_and_add+0x190/0x190
[  479.732871][ T8129]  ? do_raw_spin_unlock+0x173/0x230
[  479.738083][ T8129]  ? kobject_put+0xbe/0x440
[  479.742604][ T8129]  ? device_add+0xc35/0x1aa0
[  479.747215][ T8129]  device_add+0x289/0x1aa0
[  479.751646][ T8129]  ? device_initialize+0x510/0x510
[  479.756780][ T8129]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  479.763651][ T8129]  ? __init_waitqueue_head+0xca/0x150
[  479.769079][ T8129]  netdev_register_kobject+0x183/0x3f0
[  479.774564][ T8129]  register_netdevice+0xbe6/0x14b0
[  479.779697][ T8129]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  479.785616][ T8129]  ? validate_linkmsg+0x6fc/0x9c0
[  479.790667][ T8129]  br_dev_newlink+0x27/0x110
[  479.795292][ T8129]  ? br_changelink+0x1760/0x1760
[  479.800246][ T8129]  __rtnl_newlink+0x1173/0x1930
[  479.805125][ T8129]  ? rtnl_link_unregister+0x260/0x260
[  479.810530][ T8129]  rtnl_newlink+0x67/0xa0
[  479.814897][ T8129]  ? __rtnl_newlink+0x1930/0x1930
[  479.819962][ T8129]  rtnetlink_rcv_msg+0x3c7/0xe00
[  479.824936][ T8129]  ? rtnl_fill_vf+0x4a0/0x4a0
[  479.829664][ T8129]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  479.835687][ T8129]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  479.841720][ T8129]  netlink_rcv_skb+0x16b/0x440
[  479.846506][ T8129]  ? rtnl_fill_vf+0x4a0/0x4a0
[  479.851203][ T8129]  ? netlink_ack+0x1380/0x1380
[  479.855981][ T8129]  ? lock_sync+0x190/0x190
[  479.860463][ T8129]  ? netlink_deliver_tap+0x1a0/0xd00
[  479.865774][ T8129]  ? _copy_from_iter+0x2c1/0x10f0
[  479.870828][ T8129]  netlink_unicast+0x53b/0x810
[  479.875613][ T8129]  ? netlink_attachskb+0x880/0x880
[  479.880744][ T8129]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  479.886652][ T8129]  ? __phys_addr_symbol+0x30/0x70
[  479.891698][ T8129]  ? __check_object_size+0x323/0x730
[  479.896997][ T8129]  netlink_sendmsg+0x93c/0xe40
[  479.901791][ T8129]  ? netlink_unicast+0x810/0x810
[  479.906762][ T8129]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  479.912064][ T8129]  ? netlink_unicast+0x810/0x810
[  479.917032][ T8129]  __sock_sendmsg+0xd5/0x180
[  479.921636][ T8129]  ____sys_sendmsg+0x6ac/0x940
[  479.926410][ T8129]  ? copy_msghdr_from_user+0x10b/0x160
[  479.931905][ T8129]  ? kernel_sendmsg+0x50/0x50
[  479.936615][ T8129]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  479.942625][ T8129]  ___sys_sendmsg+0x135/0x1d0
[  479.947318][ T8129]  ? do_recvmmsg+0x740/0x740
[  479.951953][ T8129]  ? find_held_lock+0x2d/0x110
[  479.956737][ T8129]  ? preempt_count_sub+0x160/0x160
[  479.961848][ T8129]  ? __fget_light+0x1fc/0x260
[  479.966529][ T8129]  __sys_sendmsg+0x117/0x1e0
[  479.971119][ T8129]  ? __sys_sendmsg_sock+0x30/0x30
[  479.976151][ T8129]  ? xfd_validate_state+0x5d/0x180
[  479.981283][ T8129]  ? syscall_enter_from_user_mode+0x7f/0x120
[  479.987277][ T8129]  do_syscall_64+0x40/0x110
[  479.991852][ T8129]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  479.997730][ T8129] RIP: 0033:0x7ff3fd6020b9
[  480.002127][ T8129] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  480.021716][ T8129] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  480.030107][ T8129] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  480.038060][ T8129] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  480.046014][ T8129] RBP: 0000000000074d7c R08: 0000000000000000 R09: 0000000000000006
[  480.053971][ T8129] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  480.061926][ T8129] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  480.069892][ T8129]  </TASK>
[  480.077108][ T8129] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  480.134867][ T8129] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  480.144135][ T8129] CPU: 0 PID: 8129 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  480.154572][ T8129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  480.164641][ T8129] Call Trace:
[  480.167930][ T8129]  <TASK>
[  480.170875][ T8129]  dump_stack_lvl+0x125/0x1b0
[  480.175581][ T8129]  sysfs_warn_dup+0x7f/0xa0
[  480.180104][ T8129]  sysfs_create_dir_ns+0x249/0x2b0
[  480.185233][ T8129]  ? sysfs_create_mount_point+0xb0/0xb0
[  480.190781][ T8129]  ? spin_bug+0x1d0/0x1d0
[  480.195103][ T8129]  ? net_namespace+0x12/0x40
[  480.199693][ T8129]  ? device_namespace+0x8d/0xc0
[  480.204551][ T8129]  kobject_add_internal+0x2c8/0x970
[  480.209753][ T8129]  kobject_add+0x16f/0x240
[  480.214170][ T8129]  ? kset_create_and_add+0x190/0x190
[  480.219457][ T8129]  ? do_raw_spin_unlock+0x173/0x230
[  480.224650][ T8129]  ? kobject_put+0xbe/0x440
[  480.229151][ T8129]  ? device_add+0xc35/0x1aa0
[  480.233829][ T8129]  device_add+0x289/0x1aa0
[  480.238245][ T8129]  ? device_initialize+0x510/0x510
[  480.243349][ T8129]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  480.250196][ T8129]  ? __init_waitqueue_head+0xca/0x150
[  480.255572][ T8129]  netdev_register_kobject+0x183/0x3f0
[  480.261036][ T8129]  register_netdevice+0xbe6/0x14b0
[  480.266159][ T8129]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  480.272080][ T8129]  ? validate_linkmsg+0x6fc/0x9c0
[  480.277115][ T8129]  br_dev_newlink+0x27/0x110
[  480.281705][ T8129]  ? br_changelink+0x1760/0x1760
[  480.286637][ T8129]  __rtnl_newlink+0x1173/0x1930
[  480.291496][ T8129]  ? rtnl_link_unregister+0x260/0x260
[  480.296885][ T8129]  rtnl_newlink+0x67/0xa0
[  480.301211][ T8129]  ? __rtnl_newlink+0x1930/0x1930
[  480.306405][ T8129]  rtnetlink_rcv_msg+0x3c7/0xe00
[  480.311382][ T8129]  ? rtnl_fill_vf+0x4a0/0x4a0
[  480.316057][ T8129]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  480.322037][ T8129]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  480.328024][ T8129]  netlink_rcv_skb+0x16b/0x440
[  480.332787][ T8129]  ? rtnl_fill_vf+0x4a0/0x4a0
[  480.337460][ T8129]  ? netlink_ack+0x1380/0x1380
[  480.342228][ T8129]  ? lock_sync+0x190/0x190
[  480.346675][ T8129]  ? netlink_deliver_tap+0x1a0/0xd00
[  480.351969][ T8129]  ? _copy_from_iter+0x2c1/0x10f0
[  480.357002][ T8129]  netlink_unicast+0x53b/0x810
[  480.361776][ T8129]  ? netlink_attachskb+0x880/0x880
[  480.366888][ T8129]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  480.372784][ T8129]  ? __phys_addr_symbol+0x30/0x70
[  480.377808][ T8129]  ? __check_object_size+0x323/0x730
[  480.383092][ T8129]  netlink_sendmsg+0x93c/0xe40
[  480.387861][ T8129]  ? netlink_unicast+0x810/0x810
[  480.392804][ T8129]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  480.398095][ T8129]  ? netlink_unicast+0x810/0x810
[  480.403067][ T8129]  __sock_sendmsg+0xd5/0x180
[  480.407680][ T8129]  ____sys_sendmsg+0x6ac/0x940
[  480.412454][ T8129]  ? copy_msghdr_from_user+0x10b/0x160
[  480.417917][ T8129]  ? kernel_sendmsg+0x50/0x50
[  480.422597][ T8129]  ? hlock_class+0x4e/0x130
[  480.427105][ T8129]  ? __lock_acquire+0x14e0/0x3b10
[  480.432148][ T8129]  ___sys_sendmsg+0x135/0x1d0
[  480.436833][ T8129]  ? do_recvmmsg+0x740/0x740
[  480.441423][ T8129]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  480.447406][ T8129]  ? find_held_lock+0x2d/0x110
[  480.452191][ T8129]  ? __fget_light+0x1fc/0x260
[  480.456863][ T8129]  __sys_sendmsg+0x117/0x1e0
[  480.461460][ T8129]  ? __sys_sendmsg_sock+0x30/0x30
[  480.466485][ T8129]  ? xfd_validate_state+0x5d/0x180
[  480.471615][ T8129]  ? syscall_enter_from_user_mode+0x7f/0x120
[  480.477603][ T8129]  do_syscall_64+0x40/0x110
[  480.482107][ T8129]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  480.488007][ T8129] RIP: 0033:0x7ff3fd6020b9
[  480.492419][ T8129] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  480.512031][ T8129] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  480.520442][ T8129] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  480.528430][ T8129] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  480.536409][ T8129] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  480.544385][ T8129] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  480.552359][ T8129] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  480.560341][ T8129]  </TASK>
[  480.571532][ T8129] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  480.627183][ T8148] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  480.637702][ T8148] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  480.646920][ T8148] CPU: 1 PID: 8148 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  480.657356][ T8148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  480.667425][ T8148] Call Trace:
[  480.670719][ T8148]  <TASK>
[  480.673663][ T8148]  dump_stack_lvl+0x125/0x1b0
[  480.678359][ T8148]  sysfs_warn_dup+0x7f/0xa0
[  480.682889][ T8148]  sysfs_create_dir_ns+0x249/0x2b0
[  480.688024][ T8148]  ? sysfs_create_mount_point+0xb0/0xb0
[  480.693597][ T8148]  ? spin_bug+0x1d0/0x1d0
[  480.697952][ T8148]  ? net_namespace+0x12/0x40
[  480.702553][ T8148]  ? device_namespace+0x8d/0xc0
[  480.707413][ T8148]  kobject_add_internal+0x2c8/0x970
[  480.712619][ T8148]  kobject_add+0x16f/0x240
[  480.717040][ T8148]  ? kset_create_and_add+0x190/0x190
[  480.722324][ T8148]  ? do_raw_spin_unlock+0x173/0x230
[  480.727518][ T8148]  ? kobject_put+0xbe/0x440
[  480.732018][ T8148]  ? device_add+0xc35/0x1aa0
[  480.736610][ T8148]  device_add+0x289/0x1aa0
[  480.741025][ T8148]  ? device_initialize+0x510/0x510
[  480.746132][ T8148]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  480.752980][ T8148]  ? __init_waitqueue_head+0xca/0x150
[  480.758358][ T8148]  netdev_register_kobject+0x183/0x3f0
[  480.763824][ T8148]  register_netdevice+0xbe6/0x14b0
[  480.768941][ T8148]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  480.774833][ T8148]  ? validate_linkmsg+0x6fc/0x9c0
[  480.779854][ T8148]  br_dev_newlink+0x27/0x110
[  480.784450][ T8148]  ? br_changelink+0x1760/0x1760
[  480.789386][ T8148]  __rtnl_newlink+0x1173/0x1930
[  480.794255][ T8148]  ? rtnl_link_unregister+0x260/0x260
[  480.799654][ T8148]  rtnl_newlink+0x67/0xa0
[  480.803986][ T8148]  ? __rtnl_newlink+0x1930/0x1930
[  480.809009][ T8148]  rtnetlink_rcv_msg+0x3c7/0xe00
[  480.813948][ T8148]  ? rtnl_fill_vf+0x4a0/0x4a0
[  480.818623][ T8148]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  480.824610][ T8148]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  480.830604][ T8148]  netlink_rcv_skb+0x16b/0x440
[  480.835380][ T8148]  ? rtnl_fill_vf+0x4a0/0x4a0
[  480.840059][ T8148]  ? netlink_ack+0x1380/0x1380
[  480.844828][ T8148]  ? lock_sync+0x190/0x190
[  480.849255][ T8148]  ? netlink_deliver_tap+0x1a0/0xd00
[  480.854546][ T8148]  ? _copy_from_iter+0x2c1/0x10f0
[  480.859578][ T8148]  netlink_unicast+0x53b/0x810
[  480.864386][ T8148]  ? netlink_attachskb+0x880/0x880
[  480.869503][ T8148]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  480.875401][ T8148]  ? __phys_addr_symbol+0x30/0x70
[  480.880430][ T8148]  ? __check_object_size+0x323/0x730
[  480.885721][ T8148]  netlink_sendmsg+0x93c/0xe40
[  480.890499][ T8148]  ? netlink_unicast+0x810/0x810
[  480.895443][ T8148]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  480.900731][ T8148]  ? netlink_unicast+0x810/0x810
[  480.905674][ T8148]  __sock_sendmsg+0xd5/0x180
[  480.910263][ T8148]  ____sys_sendmsg+0x6ac/0x940
[  480.915033][ T8148]  ? copy_msghdr_from_user+0x10b/0x160
[  480.920494][ T8148]  ? kernel_sendmsg+0x50/0x50
[  480.925170][ T8148]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  480.931156][ T8148]  ___sys_sendmsg+0x135/0x1d0
[  480.935838][ T8148]  ? do_recvmmsg+0x740/0x740
[  480.940423][ T8148]  ? find_held_lock+0x2d/0x110
[  480.945193][ T8148]  ? preempt_count_sub+0x160/0x160
[  480.950311][ T8148]  ? __fget_light+0x1fc/0x260
[  480.954987][ T8148]  __sys_sendmsg+0x117/0x1e0
[  480.959582][ T8148]  ? __sys_sendmsg_sock+0x30/0x30
[  480.964616][ T8148]  ? syscall_enter_from_user_mode+0x7f/0x120
[  480.970608][ T8148]  do_syscall_64+0x40/0x110
[  480.975118][ T8148]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  480.981014][ T8148] RIP: 0033:0x7ff3fd6020b9
[  480.985420][ T8148] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  481.005028][ T8148] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  481.013441][ T8148] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  481.021409][ T8148] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  481.029378][ T8148] RBP: 000000000007517f R08: 0000000000000000 R09: 0000000000000006
[  481.037375][ T8148] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  481.045343][ T8148] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  481.053322][ T8148]  </TASK>
[  481.067177][ T8148] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  481.155084][ T8148] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  481.167805][ T8148] CPU: 1 PID: 8148 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  481.178272][ T8148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  481.188321][ T8148] Call Trace:
[  481.191593][ T8148]  <TASK>
[  481.194517][ T8148]  dump_stack_lvl+0x125/0x1b0
[  481.199188][ T8148]  sysfs_warn_dup+0x7f/0xa0
[  481.203698][ T8148]  sysfs_create_dir_ns+0x249/0x2b0
[  481.208809][ T8148]  ? sysfs_create_mount_point+0xb0/0xb0
[  481.214350][ T8148]  ? spin_bug+0x1d0/0x1d0
[  481.218673][ T8148]  ? net_namespace+0x12/0x40
[  481.223259][ T8148]  ? device_namespace+0x8d/0xc0
[  481.228107][ T8148]  kobject_add_internal+0x2c8/0x970
[  481.233305][ T8148]  kobject_add+0x16f/0x240
[  481.237721][ T8148]  ? kset_create_and_add+0x190/0x190
[  481.243012][ T8148]  ? do_raw_spin_unlock+0x173/0x230
[  481.248200][ T8148]  ? kobject_put+0xbe/0x440
[  481.252705][ T8148]  ? device_add+0xc35/0x1aa0
[  481.257291][ T8148]  device_add+0x289/0x1aa0
[  481.261711][ T8148]  ? device_initialize+0x510/0x510
[  481.266814][ T8148]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  481.273661][ T8148]  ? __init_waitqueue_head+0xca/0x150
[  481.279033][ T8148]  netdev_register_kobject+0x183/0x3f0
[  481.284492][ T8148]  register_netdevice+0xbe6/0x14b0
[  481.289616][ T8148]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  481.295511][ T8148]  ? validate_linkmsg+0x6fc/0x9c0
[  481.300532][ T8148]  br_dev_newlink+0x27/0x110
[  481.305128][ T8148]  ? br_changelink+0x1760/0x1760
[  481.310089][ T8148]  __rtnl_newlink+0x1173/0x1930
[  481.314947][ T8148]  ? rtnl_link_unregister+0x260/0x260
[  481.320331][ T8148]  rtnl_newlink+0x67/0xa0
[  481.324659][ T8148]  ? __rtnl_newlink+0x1930/0x1930
[  481.329677][ T8148]  rtnetlink_rcv_msg+0x3c7/0xe00
[  481.334611][ T8148]  ? rtnl_fill_vf+0x4a0/0x4a0
[  481.339284][ T8148]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  481.345262][ T8148]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  481.351247][ T8148]  netlink_rcv_skb+0x16b/0x440
[  481.356012][ T8148]  ? rtnl_fill_vf+0x4a0/0x4a0
[  481.360693][ T8148]  ? netlink_ack+0x1380/0x1380
[  481.365474][ T8148]  ? lock_sync+0x190/0x190
[  481.369893][ T8148]  ? netlink_deliver_tap+0x1a0/0xd00
[  481.375174][ T8148]  ? _copy_from_iter+0x2c1/0x10f0
[  481.380196][ T8148]  netlink_unicast+0x53b/0x810
[  481.384957][ T8148]  ? netlink_attachskb+0x880/0x880
[  481.390073][ T8148]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  481.395963][ T8148]  ? __phys_addr_symbol+0x30/0x70
[  481.400983][ T8148]  ? __check_object_size+0x323/0x730
[  481.406265][ T8148]  netlink_sendmsg+0x93c/0xe40
[  481.411029][ T8148]  ? netlink_unicast+0x810/0x810
[  481.415978][ T8148]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  481.421259][ T8148]  ? netlink_unicast+0x810/0x810
[  481.426193][ T8148]  __sock_sendmsg+0xd5/0x180
[  481.430786][ T8148]  ____sys_sendmsg+0x6ac/0x940
[  481.435561][ T8148]  ? copy_msghdr_from_user+0x10b/0x160
[  481.441018][ T8148]  ? kernel_sendmsg+0x50/0x50
[  481.445719][ T8148]  ? hlock_class+0x4e/0x130
[  481.450218][ T8148]  ? __lock_acquire+0x14e0/0x3b10
[  481.455239][ T8148]  ___sys_sendmsg+0x135/0x1d0
[  481.459916][ T8148]  ? do_recvmmsg+0x740/0x740
[  481.464528][ T8148]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  481.470505][ T8148]  ? find_held_lock+0x2d/0x110
[  481.475302][ T8148]  ? __fget_light+0x1fc/0x260
[  481.479987][ T8148]  __sys_sendmsg+0x117/0x1e0
[  481.484578][ T8148]  ? __sys_sendmsg_sock+0x30/0x30
[  481.489635][ T8148]  ? __do_sys_rseq+0x750/0x750
[  481.494416][ T8148]  ? syscall_enter_from_user_mode+0x7f/0x120
[  481.500415][ T8148]  do_syscall_64+0x40/0x110
[  481.504917][ T8148]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  481.510835][ T8148] RIP: 0033:0x7ff3fd6020b9
[  481.515244][ T8148] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  481.534847][ T8148] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  481.543251][ T8148] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  481.551218][ T8148] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  481.559178][ T8148] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  481.567153][ T8148] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  481.575120][ T8148] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  481.583106][ T8148]  </TASK>
[  481.591136][ T8148] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  481.637999][ T8159] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  481.648632][ T8159] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  481.657951][ T8159] CPU: 1 PID: 8159 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  481.668381][ T8159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  481.678460][ T8159] Call Trace:
[  481.681757][ T8159]  <TASK>
[  481.684706][ T8159]  dump_stack_lvl+0x125/0x1b0
[  481.689510][ T8159]  sysfs_warn_dup+0x7f/0xa0
[  481.694040][ T8159]  sysfs_create_dir_ns+0x249/0x2b0
[  481.699173][ T8159]  ? sysfs_create_mount_point+0xb0/0xb0
[  481.704744][ T8159]  ? spin_bug+0x1d0/0x1d0
[  481.709093][ T8159]  ? net_namespace+0x12/0x40
[  481.713695][ T8159]  ? device_namespace+0x8d/0xc0
[  481.718566][ T8159]  kobject_add_internal+0x2c8/0x970
[  481.723843][ T8159]  kobject_add+0x16f/0x240
[  481.728278][ T8159]  ? kset_create_and_add+0x190/0x190
[  481.733588][ T8159]  ? do_raw_spin_unlock+0x173/0x230
[  481.738797][ T8159]  ? kobject_put+0xbe/0x440
[  481.743332][ T8159]  ? device_add+0xc35/0x1aa0
[  481.747950][ T8159]  device_add+0x289/0x1aa0
[  481.752386][ T8159]  ? device_initialize+0x510/0x510
[  481.757515][ T8159]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  481.764387][ T8159]  ? __init_waitqueue_head+0xca/0x150
[  481.769790][ T8159]  netdev_register_kobject+0x183/0x3f0
[  481.775280][ T8159]  register_netdevice+0xbe6/0x14b0
[  481.780417][ T8159]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  481.786337][ T8159]  ? validate_linkmsg+0x6fc/0x9c0
[  481.791379][ T8159]  br_dev_newlink+0x27/0x110
[  481.795990][ T8159]  ? br_changelink+0x1760/0x1760
[  481.800945][ T8159]  __rtnl_newlink+0x1173/0x1930
[  481.805825][ T8159]  ? rtnl_link_unregister+0x260/0x260
[  481.811236][ T8159]  rtnl_newlink+0x67/0xa0
[  481.815586][ T8159]  ? __rtnl_newlink+0x1930/0x1930
[  481.820634][ T8159]  rtnetlink_rcv_msg+0x3c7/0xe00
[  481.825599][ T8159]  ? rtnl_fill_vf+0x4a0/0x4a0
[  481.830299][ T8159]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  481.836310][ T8159]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  481.842332][ T8159]  netlink_rcv_skb+0x16b/0x440
[  481.847116][ T8159]  ? rtnl_fill_vf+0x4a0/0x4a0
[  481.851812][ T8159]  ? netlink_ack+0x1380/0x1380
[  481.856597][ T8159]  ? lock_sync+0x190/0x190
[  481.861045][ T8159]  ? netlink_deliver_tap+0x1a0/0xd00
[  481.866365][ T8159]  ? _copy_from_iter+0x2c1/0x10f0
[  481.871451][ T8159]  netlink_unicast+0x53b/0x810
[  481.876253][ T8159]  ? netlink_attachskb+0x880/0x880
[  481.881391][ T8159]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  481.887322][ T8159]  ? __phys_addr_symbol+0x30/0x70
[  481.892381][ T8159]  ? __check_object_size+0x323/0x730
[  481.897690][ T8159]  netlink_sendmsg+0x93c/0xe40
[  481.902489][ T8159]  ? netlink_unicast+0x810/0x810
[  481.907455][ T8159]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  481.912799][ T8159]  ? netlink_unicast+0x810/0x810
[  481.917794][ T8159]  __sock_sendmsg+0xd5/0x180
[  481.922406][ T8159]  ____sys_sendmsg+0x6ac/0x940
[  481.927197][ T8159]  ? copy_msghdr_from_user+0x10b/0x160
[  481.932685][ T8159]  ? kernel_sendmsg+0x50/0x50
[  481.937391][ T8159]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  481.943397][ T8159]  ___sys_sendmsg+0x135/0x1d0
[  481.948106][ T8159]  ? do_recvmmsg+0x740/0x740
[  481.952729][ T8159]  ? find_held_lock+0x2d/0x110
[  481.957526][ T8159]  ? preempt_count_sub+0x160/0x160
[  481.962643][ T8159]  ? __fget_light+0x1fc/0x260
[  481.967307][ T8159]  __sys_sendmsg+0x117/0x1e0
[  481.971887][ T8159]  ? __sys_sendmsg_sock+0x30/0x30
[  481.976897][ T8159]  ? xfd_validate_state+0x5d/0x180
[  481.982004][ T8159]  ? syscall_enter_from_user_mode+0x7f/0x120
[  481.987974][ T8159]  do_syscall_64+0x40/0x110
[  481.992463][ T8159]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  481.998342][ T8159] RIP: 0033:0x7ff3fd6020b9
[  482.002738][ T8159] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  482.022330][ T8159] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  482.030726][ T8159] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  482.038678][ T8159] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  482.046632][ T8159] RBP: 000000000007555c R08: 0000000000000000 R09: 0000000000000006
[  482.054589][ T8159] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  482.062553][ T8159] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  482.070520][ T8159]  </TASK>
[  482.079702][ T8159] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  482.124064][ T8159] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  482.133900][ T8159] CPU: 0 PID: 8159 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  482.144331][ T8159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  482.154402][ T8159] Call Trace:
[  482.157688][ T8159]  <TASK>
[  482.160635][ T8159]  dump_stack_lvl+0x125/0x1b0
[  482.165331][ T8159]  sysfs_warn_dup+0x7f/0xa0
[  482.169849][ T8159]  sysfs_create_dir_ns+0x249/0x2b0
[  482.174976][ T8159]  ? sysfs_create_mount_point+0xb0/0xb0
[  482.180546][ T8159]  ? spin_bug+0x1d0/0x1d0
[  482.184908][ T8159]  ? net_namespace+0x12/0x40
[  482.189544][ T8159]  ? device_namespace+0x8d/0xc0
[  482.194419][ T8159]  kobject_add_internal+0x2c8/0x970
[  482.199631][ T8159]  kobject_add+0x16f/0x240
[  482.204053][ T8159]  ? kset_create_and_add+0x190/0x190
[  482.209369][ T8159]  ? do_raw_spin_unlock+0x173/0x230
[  482.214568][ T8159]  ? kobject_put+0xbe/0x440
[  482.219103][ T8159]  ? device_add+0xc35/0x1aa0
[  482.223697][ T8159]  device_add+0x289/0x1aa0
[  482.228116][ T8159]  ? device_initialize+0x510/0x510
[  482.233229][ T8159]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  482.240077][ T8159]  ? __init_waitqueue_head+0xca/0x150
[  482.245455][ T8159]  netdev_register_kobject+0x183/0x3f0
[  482.250941][ T8159]  register_netdevice+0xbe6/0x14b0
[  482.256066][ T8159]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  482.261986][ T8159]  ? validate_linkmsg+0x6fc/0x9c0
[  482.267009][ T8159]  br_dev_newlink+0x27/0x110
[  482.271601][ T8159]  ? br_changelink+0x1760/0x1760
[  482.276534][ T8159]  __rtnl_newlink+0x1173/0x1930
[  482.281393][ T8159]  ? rtnl_link_unregister+0x260/0x260
[  482.286781][ T8159]  rtnl_newlink+0x67/0xa0
[  482.291105][ T8159]  ? __rtnl_newlink+0x1930/0x1930
[  482.296125][ T8159]  rtnetlink_rcv_msg+0x3c7/0xe00
[  482.301059][ T8159]  ? rtnl_fill_vf+0x4a0/0x4a0
[  482.305741][ T8159]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  482.311721][ T8159]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  482.317709][ T8159]  netlink_rcv_skb+0x16b/0x440
[  482.322475][ T8159]  ? rtnl_fill_vf+0x4a0/0x4a0
[  482.327148][ T8159]  ? netlink_ack+0x1380/0x1380
[  482.331913][ T8159]  ? lock_sync+0x190/0x190
[  482.336336][ T8159]  ? netlink_deliver_tap+0x1a0/0xd00
[  482.341616][ T8159]  ? _copy_from_iter+0x2c1/0x10f0
[  482.346643][ T8159]  netlink_unicast+0x53b/0x810
[  482.351411][ T8159]  ? netlink_attachskb+0x880/0x880
[  482.356524][ T8159]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  482.362412][ T8159]  ? __phys_addr_symbol+0x30/0x70
[  482.367441][ T8159]  ? __check_object_size+0x323/0x730
[  482.372723][ T8159]  netlink_sendmsg+0x93c/0xe40
[  482.377490][ T8159]  ? netlink_unicast+0x810/0x810
[  482.382428][ T8159]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  482.387714][ T8159]  ? netlink_unicast+0x810/0x810
[  482.392741][ T8159]  __sock_sendmsg+0xd5/0x180
[  482.397330][ T8159]  ____sys_sendmsg+0x6ac/0x940
[  482.402097][ T8159]  ? copy_msghdr_from_user+0x10b/0x160
[  482.407554][ T8159]  ? kernel_sendmsg+0x50/0x50
[  482.412228][ T8159]  ? hlock_class+0x4e/0x130
[  482.416730][ T8159]  ? __lock_acquire+0x14e0/0x3b10
[  482.421755][ T8159]  ___sys_sendmsg+0x135/0x1d0
[  482.426446][ T8159]  ? do_recvmmsg+0x740/0x740
[  482.431034][ T8159]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  482.437013][ T8159]  ? find_held_lock+0x2d/0x110
[  482.441802][ T8159]  ? __fget_light+0x1fc/0x260
[  482.446487][ T8159]  __sys_sendmsg+0x117/0x1e0
[  482.451085][ T8159]  ? __sys_sendmsg_sock+0x30/0x30
[  482.456124][ T8159]  ? xfd_validate_state+0x5d/0x180
[  482.461251][ T8159]  ? syscall_enter_from_user_mode+0x7f/0x120
[  482.467234][ T8159]  do_syscall_64+0x40/0x110
[  482.471733][ T8159]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  482.477629][ T8159] RIP: 0033:0x7ff3fd6020b9
[  482.482035][ T8159] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  482.501636][ T8159] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  482.510039][ T8159] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  482.518002][ T8159] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  482.525965][ T8159] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  482.533928][ T8159] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  482.541891][ T8159] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  482.549866][ T8159]  </TASK>
[  482.560103][ T8159] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  482.617565][ T8179] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  482.629323][ T8179] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  482.638582][ T8179] CPU: 1 PID: 8179 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  482.649008][ T8179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  482.659071][ T8179] Call Trace:
[  482.662354][ T8179]  <TASK>
[  482.665301][ T8179]  dump_stack_lvl+0x125/0x1b0
[  482.670001][ T8179]  sysfs_warn_dup+0x7f/0xa0
[  482.674518][ T8179]  sysfs_create_dir_ns+0x249/0x2b0
[  482.679660][ T8179]  ? sysfs_create_mount_point+0xb0/0xb0
[  482.685230][ T8179]  ? spin_bug+0x1d0/0x1d0
[  482.689579][ T8179]  ? net_namespace+0x12/0x40
[  482.694214][ T8179]  ? device_namespace+0x8d/0xc0
[  482.699080][ T8179]  kobject_add_internal+0x2c8/0x970
[  482.704284][ T8179]  kobject_add+0x16f/0x240
[  482.708699][ T8179]  ? kset_create_and_add+0x190/0x190
[  482.713982][ T8179]  ? do_raw_spin_unlock+0x173/0x230
[  482.719178][ T8179]  ? kobject_put+0xbe/0x440
[  482.723676][ T8179]  ? device_add+0xc35/0x1aa0
[  482.728264][ T8179]  device_add+0x289/0x1aa0
[  482.732679][ T8179]  ? device_initialize+0x510/0x510
[  482.737782][ T8179]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  482.744628][ T8179]  ? __init_waitqueue_head+0xca/0x150
[  482.750003][ T8179]  netdev_register_kobject+0x183/0x3f0
[  482.755492][ T8179]  register_netdevice+0xbe6/0x14b0
[  482.760602][ T8179]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  482.766497][ T8179]  ? validate_linkmsg+0x6fc/0x9c0
[  482.771520][ T8179]  br_dev_newlink+0x27/0x110
[  482.776104][ T8179]  ? br_changelink+0x1760/0x1760
[  482.781035][ T8179]  __rtnl_newlink+0x1173/0x1930
[  482.785887][ T8179]  ? rtnl_link_unregister+0x260/0x260
[  482.791274][ T8179]  rtnl_newlink+0x67/0xa0
[  482.795631][ T8179]  ? __rtnl_newlink+0x1930/0x1930
[  482.800656][ T8179]  rtnetlink_rcv_msg+0x3c7/0xe00
[  482.805596][ T8179]  ? rtnl_fill_vf+0x4a0/0x4a0
[  482.810269][ T8179]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  482.816250][ T8179]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  482.822237][ T8179]  netlink_rcv_skb+0x16b/0x440
[  482.827021][ T8179]  ? rtnl_fill_vf+0x4a0/0x4a0
[  482.831700][ T8179]  ? netlink_ack+0x1380/0x1380
[  482.836463][ T8179]  ? lock_sync+0x190/0x190
[  482.840885][ T8179]  ? netlink_deliver_tap+0x1a0/0xd00
[  482.846176][ T8179]  ? _copy_from_iter+0x2c1/0x10f0
[  482.851205][ T8179]  netlink_unicast+0x53b/0x810
[  482.855973][ T8179]  ? netlink_attachskb+0x880/0x880
[  482.861082][ T8179]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  482.866970][ T8179]  ? __phys_addr_symbol+0x30/0x70
[  482.871993][ T8179]  ? __check_object_size+0x323/0x730
[  482.877275][ T8179]  netlink_sendmsg+0x93c/0xe40
[  482.882069][ T8179]  ? netlink_unicast+0x810/0x810
[  482.887020][ T8179]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  482.892328][ T8179]  ? netlink_unicast+0x810/0x810
[  482.897279][ T8179]  __sock_sendmsg+0xd5/0x180
[  482.901870][ T8179]  ____sys_sendmsg+0x6ac/0x940
[  482.906628][ T8179]  ? copy_msghdr_from_user+0x10b/0x160
[  482.912084][ T8179]  ? kernel_sendmsg+0x50/0x50
[  482.916762][ T8179]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  482.922748][ T8179]  ___sys_sendmsg+0x135/0x1d0
[  482.927425][ T8179]  ? do_recvmmsg+0x740/0x740
[  482.932017][ T8179]  ? find_held_lock+0x2d/0x110
[  482.936817][ T8179]  ? preempt_count_sub+0x160/0x160
[  482.941955][ T8179]  ? __fget_light+0x1fc/0x260
[  482.946629][ T8179]  __sys_sendmsg+0x117/0x1e0
[  482.951220][ T8179]  ? __sys_sendmsg_sock+0x30/0x30
[  482.956244][ T8179]  ? xfd_validate_state+0x5d/0x180
[  482.961374][ T8179]  ? syscall_enter_from_user_mode+0x7f/0x120
[  482.967365][ T8179]  do_syscall_64+0x40/0x110
[  482.971870][ T8179]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  482.977766][ T8179] RIP: 0033:0x7ff3fd6020b9
[  482.982174][ T8179] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  483.001779][ T8179] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  483.010184][ T8179] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  483.018147][ T8179] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  483.026107][ T8179] RBP: 000000000007594f R08: 0000000000000000 R09: 0000000000000006
[  483.034069][ T8179] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  483.042035][ T8179] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  483.050033][ T8179]  </TASK>
[  483.058890][ T8179] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  483.103664][ T8179] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  483.113342][ T8179] CPU: 1 PID: 8179 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  483.123770][ T8179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  483.133836][ T8179] Call Trace:
[  483.137132][ T8179]  <TASK>
[  483.140075][ T8179]  dump_stack_lvl+0x125/0x1b0
[  483.144812][ T8179]  sysfs_warn_dup+0x7f/0xa0
[  483.149337][ T8179]  sysfs_create_dir_ns+0x249/0x2b0
[  483.154475][ T8179]  ? sysfs_create_mount_point+0xb0/0xb0
[  483.160045][ T8179]  ? spin_bug+0x1d0/0x1d0
[  483.164401][ T8179]  ? net_namespace+0x12/0x40
[  483.169020][ T8179]  ? device_namespace+0x8d/0xc0
[  483.173892][ T8179]  kobject_add_internal+0x2c8/0x970
[  483.179104][ T8179]  kobject_add+0x16f/0x240
[  483.183513][ T8179]  ? kset_create_and_add+0x190/0x190
[  483.188790][ T8179]  ? do_raw_spin_unlock+0x173/0x230
[  483.193979][ T8179]  ? kobject_put+0xbe/0x440
[  483.198537][ T8179]  ? device_add+0xc35/0x1aa0
[  483.203135][ T8179]  device_add+0x289/0x1aa0
[  483.207593][ T8179]  ? device_initialize+0x510/0x510
[  483.212705][ T8179]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  483.219551][ T8179]  ? __init_waitqueue_head+0xca/0x150
[  483.224961][ T8179]  netdev_register_kobject+0x183/0x3f0
[  483.230431][ T8179]  register_netdevice+0xbe6/0x14b0
[  483.235551][ T8179]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  483.241446][ T8179]  ? validate_linkmsg+0x6fc/0x9c0
[  483.246471][ T8179]  br_dev_newlink+0x27/0x110
[  483.251066][ T8179]  ? br_changelink+0x1760/0x1760
[  483.256004][ T8179]  __rtnl_newlink+0x1173/0x1930
[  483.260875][ T8179]  ? rtnl_link_unregister+0x260/0x260
[  483.266268][ T8179]  rtnl_newlink+0x67/0xa0
[  483.270610][ T8179]  ? __rtnl_newlink+0x1930/0x1930
[  483.275648][ T8179]  rtnetlink_rcv_msg+0x3c7/0xe00
[  483.280680][ T8179]  ? rtnl_fill_vf+0x4a0/0x4a0
[  483.285353][ T8179]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  483.291337][ T8179]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  483.297320][ T8179]  netlink_rcv_skb+0x16b/0x440
[  483.302089][ T8179]  ? rtnl_fill_vf+0x4a0/0x4a0
[  483.306763][ T8179]  ? netlink_ack+0x1380/0x1380
[  483.311524][ T8179]  ? lock_sync+0x190/0x190
[  483.315951][ T8179]  ? netlink_deliver_tap+0x1a0/0xd00
[  483.321239][ T8179]  ? _copy_from_iter+0x2c1/0x10f0
[  483.326266][ T8179]  netlink_unicast+0x53b/0x810
[  483.331034][ T8179]  ? netlink_attachskb+0x880/0x880
[  483.336142][ T8179]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  483.342034][ T8179]  ? __phys_addr_symbol+0x30/0x70
[  483.347058][ T8179]  ? __check_object_size+0x323/0x730
[  483.352343][ T8179]  netlink_sendmsg+0x93c/0xe40
[  483.357109][ T8179]  ? netlink_unicast+0x810/0x810
[  483.362047][ T8179]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  483.367329][ T8179]  ? netlink_unicast+0x810/0x810
[  483.372273][ T8179]  __sock_sendmsg+0xd5/0x180
[  483.376865][ T8179]  ____sys_sendmsg+0x6ac/0x940
[  483.381624][ T8179]  ? copy_msghdr_from_user+0x10b/0x160
[  483.387080][ T8179]  ? kernel_sendmsg+0x50/0x50
[  483.391760][ T8179]  ___sys_sendmsg+0x135/0x1d0
[  483.396439][ T8179]  ? do_recvmmsg+0x740/0x740
[  483.401046][ T8179]  ? find_held_lock+0x2d/0x110
[  483.405861][ T8179]  ? preempt_count_sub+0x160/0x160
[  483.410983][ T8179]  ? __fget_light+0x1fc/0x260
[  483.415660][ T8179]  __sys_sendmsg+0x117/0x1e0
[  483.420249][ T8179]  ? __sys_sendmsg_sock+0x30/0x30
[  483.425286][ T8179]  ? syscall_enter_from_user_mode+0x7f/0x120
[  483.431272][ T8179]  do_syscall_64+0x40/0x110
[  483.435774][ T8179]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  483.441666][ T8179] RIP: 0033:0x7ff3fd6020b9
[  483.446074][ T8179] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  483.465676][ T8179] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  483.474088][ T8179] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  483.482055][ T8179] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  483.490016][ T8179] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  483.497979][ T8179] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  483.505950][ T8179] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  483.513927][ T8179]  </TASK>
[  483.518782][ T8179] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  483.568089][ T8189] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  483.578644][ T8189] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  483.588240][ T8189] CPU: 1 PID: 8189 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  483.598665][ T8189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  483.608724][ T8189] Call Trace:
[  483.612011][ T8189]  <TASK>
[  483.614949][ T8189]  dump_stack_lvl+0x125/0x1b0
[  483.619653][ T8189]  sysfs_warn_dup+0x7f/0xa0
[  483.624183][ T8189]  sysfs_create_dir_ns+0x249/0x2b0
[  483.629310][ T8189]  ? sysfs_create_mount_point+0xb0/0xb0
[  483.634880][ T8189]  ? spin_bug+0x1d0/0x1d0
[  483.639248][ T8189]  ? net_namespace+0x12/0x40
[  483.643872][ T8189]  ? device_namespace+0x8d/0xc0
[  483.648730][ T8189]  kobject_add_internal+0x2c8/0x970
[  483.653936][ T8189]  kobject_add+0x16f/0x240
[  483.658352][ T8189]  ? kset_create_and_add+0x190/0x190
[  483.663636][ T8189]  ? do_raw_spin_unlock+0x173/0x230
[  483.668827][ T8189]  ? kobject_put+0xbe/0x440
[  483.673352][ T8189]  ? device_add+0xc35/0x1aa0
[  483.677941][ T8189]  device_add+0x289/0x1aa0
[  483.682354][ T8189]  ? device_initialize+0x510/0x510
[  483.687463][ T8189]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  483.694341][ T8189]  ? __init_waitqueue_head+0xca/0x150
[  483.699719][ T8189]  netdev_register_kobject+0x183/0x3f0
[  483.705204][ T8189]  register_netdevice+0xbe6/0x14b0
[  483.710320][ T8189]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  483.716212][ T8189]  ? validate_linkmsg+0x6fc/0x9c0
[  483.721235][ T8189]  br_dev_newlink+0x27/0x110
[  483.725822][ T8189]  ? br_changelink+0x1760/0x1760
[  483.730754][ T8189]  __rtnl_newlink+0x1173/0x1930
[  483.735639][ T8189]  ? rtnl_link_unregister+0x260/0x260
[  483.741058][ T8189]  rtnl_newlink+0x67/0xa0
[  483.745433][ T8189]  ? __rtnl_newlink+0x1930/0x1930
[  483.750468][ T8189]  rtnetlink_rcv_msg+0x3c7/0xe00
[  483.755411][ T8189]  ? rtnl_fill_vf+0x4a0/0x4a0
[  483.760085][ T8189]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  483.766094][ T8189]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  483.772099][ T8189]  netlink_rcv_skb+0x16b/0x440
[  483.776872][ T8189]  ? rtnl_fill_vf+0x4a0/0x4a0
[  483.781554][ T8189]  ? netlink_ack+0x1380/0x1380
[  483.786315][ T8189]  ? lock_sync+0x190/0x190
[  483.790746][ T8189]  ? netlink_deliver_tap+0x1a0/0xd00
[  483.796032][ T8189]  ? _copy_from_iter+0x2c1/0x10f0
[  483.801080][ T8189]  netlink_unicast+0x53b/0x810
[  483.805866][ T8189]  ? netlink_attachskb+0x880/0x880
[  483.810988][ T8189]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  483.816911][ T8189]  ? __phys_addr_symbol+0x30/0x70
[  483.821954][ T8189]  ? __check_object_size+0x323/0x730
[  483.827248][ T8189]  netlink_sendmsg+0x93c/0xe40
[  483.832025][ T8189]  ? netlink_unicast+0x810/0x810
[  483.836971][ T8189]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  483.842259][ T8189]  ? netlink_unicast+0x810/0x810
[  483.847206][ T8189]  __sock_sendmsg+0xd5/0x180
[  483.851819][ T8189]  ____sys_sendmsg+0x6ac/0x940
[  483.856580][ T8189]  ? copy_msghdr_from_user+0x10b/0x160
[  483.862134][ T8189]  ? kernel_sendmsg+0x50/0x50
[  483.866815][ T8189]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  483.872802][ T8189]  ___sys_sendmsg+0x135/0x1d0
[  483.877511][ T8189]  ? do_recvmmsg+0x740/0x740
[  483.882098][ T8189]  ? find_held_lock+0x2d/0x110
[  483.886872][ T8189]  ? preempt_count_sub+0x160/0x160
[  483.891989][ T8189]  ? __fget_light+0x1fc/0x260
[  483.896661][ T8189]  __sys_sendmsg+0x117/0x1e0
[  483.901261][ T8189]  ? __sys_sendmsg_sock+0x30/0x30
[  483.906282][ T8189]  ? xfd_validate_state+0x5d/0x180
[  483.911406][ T8189]  ? syscall_enter_from_user_mode+0x7f/0x120
[  483.917394][ T8189]  do_syscall_64+0x40/0x110
[  483.921898][ T8189]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  483.927792][ T8189] RIP: 0033:0x7ff3fd6020b9
[  483.932200][ T8189] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  483.951819][ T8189] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  483.960237][ T8189] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  483.968222][ T8189] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  483.976190][ T8189] RBP: 0000000000075d23 R08: 0000000000000000 R09: 0000000000000006
[  483.984153][ T8189] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  483.992116][ T8189] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  484.000092][ T8189]  </TASK>
[  484.007338][ T8189] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  484.074683][ T8189] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  484.084019][ T8189] CPU: 1 PID: 8189 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  484.094491][ T8189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  484.104564][ T8189] Call Trace:
[  484.107861][ T8189]  <TASK>
[  484.110802][ T8189]  dump_stack_lvl+0x125/0x1b0
[  484.115509][ T8189]  sysfs_warn_dup+0x7f/0xa0
[  484.120048][ T8189]  sysfs_create_dir_ns+0x249/0x2b0
[  484.125182][ T8189]  ? sysfs_create_mount_point+0xb0/0xb0
[  484.130746][ T8189]  ? spin_bug+0x1d0/0x1d0
[  484.135100][ T8189]  ? net_namespace+0x12/0x40
[  484.139720][ T8189]  ? device_namespace+0x8d/0xc0
[  484.144603][ T8189]  kobject_add_internal+0x2c8/0x970
[  484.149829][ T8189]  kobject_add+0x16f/0x240
[  484.154272][ T8189]  ? kset_create_and_add+0x190/0x190
[  484.159601][ T8189]  ? do_raw_spin_unlock+0x173/0x230
[  484.164820][ T8189]  ? kobject_put+0xbe/0x440
[  484.169339][ T8189]  ? device_add+0xc35/0x1aa0
[  484.173949][ T8189]  device_add+0x289/0x1aa0
[  484.178386][ T8189]  ? device_initialize+0x510/0x510
[  484.183519][ T8189]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  484.190485][ T8189]  ? __init_waitqueue_head+0xca/0x150
[  484.195893][ T8189]  netdev_register_kobject+0x183/0x3f0
[  484.201382][ T8189]  register_netdevice+0xbe6/0x14b0
[  484.206518][ T8189]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  484.212434][ T8189]  ? validate_linkmsg+0x6fc/0x9c0
[  484.217487][ T8189]  br_dev_newlink+0x27/0x110
[  484.222103][ T8189]  ? br_changelink+0x1760/0x1760
[  484.227058][ T8189]  __rtnl_newlink+0x1173/0x1930
[  484.231944][ T8189]  ? rtnl_link_unregister+0x260/0x260
[  484.237349][ T8189]  rtnl_newlink+0x67/0xa0
[  484.241683][ T8189]  ? __rtnl_newlink+0x1930/0x1930
[  484.246699][ T8189]  rtnetlink_rcv_msg+0x3c7/0xe00
[  484.251633][ T8189]  ? rtnl_fill_vf+0x4a0/0x4a0
[  484.256299][ T8189]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  484.262268][ T8189]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  484.268257][ T8189]  netlink_rcv_skb+0x16b/0x440
[  484.273008][ T8189]  ? rtnl_fill_vf+0x4a0/0x4a0
[  484.277669][ T8189]  ? netlink_ack+0x1380/0x1380
[  484.282419][ T8189]  ? lock_sync+0x190/0x190
[  484.286832][ T8189]  ? netlink_deliver_tap+0x1a0/0xd00
[  484.292104][ T8189]  ? _copy_from_iter+0x2c1/0x10f0
[  484.297116][ T8189]  netlink_unicast+0x53b/0x810
[  484.301874][ T8189]  ? netlink_attachskb+0x880/0x880
[  484.306969][ T8189]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  484.312852][ T8189]  ? __phys_addr_symbol+0x30/0x70
[  484.317885][ T8189]  ? __check_object_size+0x323/0x730
[  484.323175][ T8189]  netlink_sendmsg+0x93c/0xe40
[  484.327949][ T8189]  ? netlink_unicast+0x810/0x810
[  484.332886][ T8189]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  484.338165][ T8189]  ? netlink_unicast+0x810/0x810
[  484.343105][ T8189]  __sock_sendmsg+0xd5/0x180
[  484.347708][ T8189]  ____sys_sendmsg+0x6ac/0x940
[  484.352509][ T8189]  ? copy_msghdr_from_user+0x10b/0x160
[  484.357960][ T8189]  ? kernel_sendmsg+0x50/0x50
[  484.362632][ T8189]  ___sys_sendmsg+0x135/0x1d0
[  484.367301][ T8189]  ? do_recvmmsg+0x740/0x740
[  484.371875][ T8189]  ? find_held_lock+0x2d/0x110
[  484.376630][ T8189]  ? preempt_count_sub+0x160/0x160
[  484.381730][ T8189]  ? __fget_light+0x1fc/0x260
[  484.386390][ T8189]  __sys_sendmsg+0x117/0x1e0
[  484.390979][ T8189]  ? __sys_sendmsg_sock+0x30/0x30
[  484.396019][ T8189]  ? syscall_enter_from_user_mode+0x7f/0x120
[  484.401994][ T8189]  do_syscall_64+0x40/0x110
[  484.406485][ T8189]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  484.412364][ T8189] RIP: 0033:0x7ff3fd6020b9
[  484.416784][ T8189] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  484.436377][ T8189] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  484.444780][ T8189] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  484.452740][ T8189] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  484.460699][ T8189] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  484.468673][ T8189] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  484.476625][ T8189] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  484.484586][ T8189]  </TASK>
[  484.493007][ T8189] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  484.557654][ T8204] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  484.568352][ T8204] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  484.578128][ T8204] CPU: 0 PID: 8204 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  484.588574][ T8204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  484.598655][ T8204] Call Trace:
[  484.601936][ T8204]  <TASK>
[  484.604864][ T8204]  dump_stack_lvl+0x125/0x1b0
[  484.609551][ T8204]  sysfs_warn_dup+0x7f/0xa0
[  484.614063][ T8204]  sysfs_create_dir_ns+0x249/0x2b0
[  484.619181][ T8204]  ? sysfs_create_mount_point+0xb0/0xb0
[  484.624730][ T8204]  ? spin_bug+0x1d0/0x1d0
[  484.629062][ T8204]  ? net_namespace+0x12/0x40
[  484.633652][ T8204]  ? device_namespace+0x8d/0xc0
[  484.638509][ T8204]  kobject_add_internal+0x2c8/0x970
[  484.643716][ T8204]  kobject_add+0x16f/0x240
[  484.648141][ T8204]  ? kset_create_and_add+0x190/0x190
[  484.653424][ T8204]  ? do_raw_spin_unlock+0x173/0x230
[  484.658617][ T8204]  ? kobject_put+0xbe/0x440
[  484.663136][ T8204]  ? device_add+0xc35/0x1aa0
[  484.667757][ T8204]  device_add+0x289/0x1aa0
[  484.672216][ T8204]  ? device_initialize+0x510/0x510
[  484.677337][ T8204]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  484.684204][ T8204]  ? __init_waitqueue_head+0xca/0x150
[  484.689591][ T8204]  netdev_register_kobject+0x183/0x3f0
[  484.695063][ T8204]  register_netdevice+0xbe6/0x14b0
[  484.700215][ T8204]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  484.706117][ T8204]  ? validate_linkmsg+0x6fc/0x9c0
[  484.711150][ T8204]  br_dev_newlink+0x27/0x110
[  484.715746][ T8204]  ? br_changelink+0x1760/0x1760
[  484.720686][ T8204]  __rtnl_newlink+0x1173/0x1930
[  484.725549][ T8204]  ? rtnl_link_unregister+0x260/0x260
[  484.730941][ T8204]  rtnl_newlink+0x67/0xa0
[  484.735276][ T8204]  ? __rtnl_newlink+0x1930/0x1930
[  484.740295][ T8204]  rtnetlink_rcv_msg+0x3c7/0xe00
[  484.745238][ T8204]  ? rtnl_fill_vf+0x4a0/0x4a0
[  484.749919][ T8204]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  484.755906][ T8204]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  484.761897][ T8204]  netlink_rcv_skb+0x16b/0x440
[  484.766667][ T8204]  ? rtnl_fill_vf+0x4a0/0x4a0
[  484.771345][ T8204]  ? netlink_ack+0x1380/0x1380
[  484.776108][ T8204]  ? lock_sync+0x190/0x190
[  484.780536][ T8204]  ? netlink_deliver_tap+0x1a0/0xd00
[  484.785854][ T8204]  ? _copy_from_iter+0x2c1/0x10f0
[  484.790884][ T8204]  netlink_unicast+0x53b/0x810
[  484.795655][ T8204]  ? netlink_attachskb+0x880/0x880
[  484.800780][ T8204]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  484.806673][ T8204]  ? __phys_addr_symbol+0x30/0x70
[  484.811696][ T8204]  ? __check_object_size+0x323/0x730
[  484.816979][ T8204]  netlink_sendmsg+0x93c/0xe40
[  484.821754][ T8204]  ? netlink_unicast+0x810/0x810
[  484.826698][ T8204]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  484.831979][ T8204]  ? netlink_unicast+0x810/0x810
[  484.836918][ T8204]  __sock_sendmsg+0xd5/0x180
[  484.841511][ T8204]  ____sys_sendmsg+0x6ac/0x940
[  484.846274][ T8204]  ? copy_msghdr_from_user+0x10b/0x160
[  484.851737][ T8204]  ? kernel_sendmsg+0x50/0x50
[  484.856415][ T8204]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  484.862405][ T8204]  ___sys_sendmsg+0x135/0x1d0
[  484.867088][ T8204]  ? do_recvmmsg+0x740/0x740
[  484.871704][ T8204]  ? find_held_lock+0x2d/0x110
[  484.876668][ T8204]  ? preempt_count_sub+0x160/0x160
[  484.881799][ T8204]  ? __fget_light+0x1fc/0x260
[  484.886478][ T8204]  __sys_sendmsg+0x117/0x1e0
[  484.891074][ T8204]  ? __sys_sendmsg_sock+0x30/0x30
[  484.896100][ T8204]  ? xfd_validate_state+0x5d/0x180
[  484.901226][ T8204]  ? syscall_enter_from_user_mode+0x7f/0x120
[  484.907207][ T8204]  do_syscall_64+0x40/0x110
[  484.911710][ T8204]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  484.917604][ T8204] RIP: 0033:0x7ff3fd6020b9
[  484.922010][ T8204] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  484.941610][ T8204] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  484.950016][ T8204] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  484.957980][ T8204] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  484.965947][ T8204] RBP: 00000000000760d9 R08: 0000000000000000 R09: 0000000000000006
[  484.973908][ T8204] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  484.981869][ T8204] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  484.989850][ T8204]  </TASK>
[  484.995145][ T8204] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  485.053756][ T8204] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  485.063340][ T8204] CPU: 0 PID: 8204 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  485.073793][ T8204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  485.083854][ T8204] Call Trace:
[  485.087144][ T8204]  <TASK>
[  485.090085][ T8204]  dump_stack_lvl+0x125/0x1b0
[  485.094787][ T8204]  sysfs_warn_dup+0x7f/0xa0
[  485.099317][ T8204]  sysfs_create_dir_ns+0x249/0x2b0
[  485.104441][ T8204]  ? sysfs_create_mount_point+0xb0/0xb0
[  485.109987][ T8204]  ? spin_bug+0x1d0/0x1d0
[  485.114317][ T8204]  ? net_namespace+0x12/0x40
[  485.118903][ T8204]  ? device_namespace+0x8d/0xc0
[  485.123760][ T8204]  kobject_add_internal+0x2c8/0x970
[  485.128962][ T8204]  kobject_add+0x16f/0x240
[  485.133382][ T8204]  ? kset_create_and_add+0x190/0x190
[  485.138662][ T8204]  ? do_raw_spin_unlock+0x173/0x230
[  485.143854][ T8204]  ? kobject_put+0xbe/0x440
[  485.148352][ T8204]  ? device_add+0xc35/0x1aa0
[  485.152941][ T8204]  device_add+0x289/0x1aa0
[  485.157350][ T8204]  ? device_initialize+0x510/0x510
[  485.162454][ T8204]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  485.169302][ T8204]  ? __init_waitqueue_head+0xca/0x150
[  485.174677][ T8204]  netdev_register_kobject+0x183/0x3f0
[  485.180142][ T8204]  register_netdevice+0xbe6/0x14b0
[  485.185256][ T8204]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  485.191207][ T8204]  ? validate_linkmsg+0x6fc/0x9c0
[  485.196251][ T8204]  br_dev_newlink+0x27/0x110
[  485.200853][ T8204]  ? br_changelink+0x1760/0x1760
[  485.205792][ T8204]  __rtnl_newlink+0x1173/0x1930
[  485.210654][ T8204]  ? rtnl_link_unregister+0x260/0x260
[  485.216056][ T8204]  rtnl_newlink+0x67/0xa0
[  485.220384][ T8204]  ? __rtnl_newlink+0x1930/0x1930
[  485.225408][ T8204]  rtnetlink_rcv_msg+0x3c7/0xe00
[  485.230350][ T8204]  ? rtnl_fill_vf+0x4a0/0x4a0
[  485.235028][ T8204]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  485.241018][ T8204]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  485.247019][ T8204]  netlink_rcv_skb+0x16b/0x440
[  485.251789][ T8204]  ? rtnl_fill_vf+0x4a0/0x4a0
[  485.256481][ T8204]  ? netlink_ack+0x1380/0x1380
[  485.261249][ T8204]  ? lock_sync+0x190/0x190
[  485.265675][ T8204]  ? netlink_deliver_tap+0x1a0/0xd00
[  485.270960][ T8204]  ? _copy_from_iter+0x2c1/0x10f0
[  485.275989][ T8204]  netlink_unicast+0x53b/0x810
[  485.280761][ T8204]  ? netlink_attachskb+0x880/0x880
[  485.285870][ T8204]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  485.291766][ T8204]  ? __phys_addr_symbol+0x30/0x70
[  485.296791][ T8204]  ? __check_object_size+0x323/0x730
[  485.302079][ T8204]  netlink_sendmsg+0x93c/0xe40
[  485.306853][ T8204]  ? netlink_unicast+0x810/0x810
[  485.311794][ T8204]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  485.317078][ T8204]  ? netlink_unicast+0x810/0x810
[  485.322049][ T8204]  __sock_sendmsg+0xd5/0x180
[  485.326639][ T8204]  ____sys_sendmsg+0x6ac/0x940
[  485.331403][ T8204]  ? copy_msghdr_from_user+0x10b/0x160
[  485.336866][ T8204]  ? kernel_sendmsg+0x50/0x50
[  485.341552][ T8204]  ___sys_sendmsg+0x135/0x1d0
[  485.346234][ T8204]  ? do_recvmmsg+0x740/0x740
[  485.350828][ T8204]  ? find_held_lock+0x2d/0x110
[  485.355602][ T8204]  ? preempt_count_sub+0x160/0x160
[  485.360719][ T8204]  ? __fget_light+0x1fc/0x260
[  485.365402][ T8204]  __sys_sendmsg+0x117/0x1e0
[  485.370004][ T8204]  ? __sys_sendmsg_sock+0x30/0x30
[  485.375044][ T8204]  ? syscall_enter_from_user_mode+0x7f/0x120
[  485.381031][ T8204]  do_syscall_64+0x40/0x110
[  485.385532][ T8204]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  485.391430][ T8204] RIP: 0033:0x7ff3fd6020b9
[  485.395842][ T8204] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  485.415447][ T8204] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  485.423856][ T8204] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  485.431826][ T8204] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  485.439792][ T8204] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  485.447764][ T8204] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  485.455733][ T8204] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  485.463710][ T8204]  </TASK>
[  485.471371][ T8204] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  485.538204][ T8216] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  485.548824][ T8216] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  485.558268][ T8216] CPU: 1 PID: 8216 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  485.568706][ T8216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  485.578775][ T8216] Call Trace:
[  485.582067][ T8216]  <TASK>
[  485.585018][ T8216]  dump_stack_lvl+0x125/0x1b0
[  485.589723][ T8216]  sysfs_warn_dup+0x7f/0xa0
[  485.594245][ T8216]  sysfs_create_dir_ns+0x249/0x2b0
[  485.599380][ T8216]  ? sysfs_create_mount_point+0xb0/0xb0
[  485.604944][ T8216]  ? spin_bug+0x1d0/0x1d0
[  485.609291][ T8216]  ? net_namespace+0x12/0x40
[  485.613904][ T8216]  ? device_namespace+0x8d/0xc0
[  485.618761][ T8216]  kobject_add_internal+0x2c8/0x970
[  485.623964][ T8216]  kobject_add+0x16f/0x240
[  485.628380][ T8216]  ? kset_create_and_add+0x190/0x190
[  485.633667][ T8216]  ? do_raw_spin_unlock+0x173/0x230
[  485.638860][ T8216]  ? kobject_put+0xbe/0x440
[  485.643360][ T8216]  ? device_add+0xc35/0x1aa0
[  485.647947][ T8216]  device_add+0x289/0x1aa0
[  485.652363][ T8216]  ? device_initialize+0x510/0x510
[  485.657468][ T8216]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  485.664318][ T8216]  ? __init_waitqueue_head+0xca/0x150
[  485.669694][ T8216]  netdev_register_kobject+0x183/0x3f0
[  485.675163][ T8216]  register_netdevice+0xbe6/0x14b0
[  485.680281][ T8216]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  485.686173][ T8216]  ? validate_linkmsg+0x6fc/0x9c0
[  485.691198][ T8216]  br_dev_newlink+0x27/0x110
[  485.695791][ T8216]  ? br_changelink+0x1760/0x1760
[  485.700725][ T8216]  __rtnl_newlink+0x1173/0x1930
[  485.705590][ T8216]  ? rtnl_link_unregister+0x260/0x260
[  485.711008][ T8216]  rtnl_newlink+0x67/0xa0
[  485.715373][ T8216]  ? __rtnl_newlink+0x1930/0x1930
[  485.720394][ T8216]  rtnetlink_rcv_msg+0x3c7/0xe00
[  485.725331][ T8216]  ? rtnl_fill_vf+0x4a0/0x4a0
[  485.730005][ T8216]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  485.735992][ T8216]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  485.741985][ T8216]  netlink_rcv_skb+0x16b/0x440
[  485.746755][ T8216]  ? rtnl_fill_vf+0x4a0/0x4a0
[  485.751432][ T8216]  ? netlink_ack+0x1380/0x1380
[  485.756196][ T8216]  ? lock_sync+0x190/0x190
[  485.760621][ T8216]  ? netlink_deliver_tap+0x1a0/0xd00
[  485.765911][ T8216]  ? _copy_from_iter+0x2c1/0x10f0
[  485.770939][ T8216]  netlink_unicast+0x53b/0x810
[  485.775710][ T8216]  ? netlink_attachskb+0x880/0x880
[  485.780821][ T8216]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  485.786711][ T8216]  ? __phys_addr_symbol+0x30/0x70
[  485.791730][ T8216]  ? __check_object_size+0x323/0x730
[  485.797014][ T8216]  netlink_sendmsg+0x93c/0xe40
[  485.801782][ T8216]  ? netlink_unicast+0x810/0x810
[  485.806721][ T8216]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  485.812004][ T8216]  ? netlink_unicast+0x810/0x810
[  485.816958][ T8216]  __sock_sendmsg+0xd5/0x180
[  485.821591][ T8216]  ____sys_sendmsg+0x6ac/0x940
[  485.826356][ T8216]  ? copy_msghdr_from_user+0x10b/0x160
[  485.831816][ T8216]  ? kernel_sendmsg+0x50/0x50
[  485.836499][ T8216]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  485.842484][ T8216]  ___sys_sendmsg+0x135/0x1d0
[  485.847168][ T8216]  ? do_recvmmsg+0x740/0x740
[  485.851756][ T8216]  ? find_held_lock+0x2d/0x110
[  485.856524][ T8216]  ? preempt_count_sub+0x160/0x160
[  485.861642][ T8216]  ? __fget_light+0x1fc/0x260
[  485.866315][ T8216]  __sys_sendmsg+0x117/0x1e0
[  485.870905][ T8216]  ? __sys_sendmsg_sock+0x30/0x30
[  485.875926][ T8216]  ? xfd_validate_state+0x5d/0x180
[  485.881047][ T8216]  ? syscall_enter_from_user_mode+0x7f/0x120
[  485.887028][ T8216]  do_syscall_64+0x40/0x110
[  485.891532][ T8216]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  485.897428][ T8216] RIP: 0033:0x7ff3fd6020b9
[  485.901845][ T8216] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  485.921448][ T8216] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  485.929853][ T8216] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  485.937816][ T8216] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  485.945805][ T8216] RBP: 00000000000764b7 R08: 0000000000000000 R09: 0000000000000006
[  485.953773][ T8216] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  485.961739][ T8216] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  485.969714][ T8216]  </TASK>
[  485.974429][ T8216] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  486.043593][ T8216] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  486.052935][ T8216] CPU: 0 PID: 8216 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  486.063369][ T8216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  486.073471][ T8216] Call Trace:
[  486.076755][ T8216]  <TASK>
[  486.079698][ T8216]  dump_stack_lvl+0x125/0x1b0
[  486.084407][ T8216]  sysfs_warn_dup+0x7f/0xa0
[  486.088939][ T8216]  sysfs_create_dir_ns+0x249/0x2b0
[  486.094066][ T8216]  ? sysfs_create_mount_point+0xb0/0xb0
[  486.099630][ T8216]  ? spin_bug+0x1d0/0x1d0
[  486.103970][ T8216]  ? net_namespace+0x12/0x40
[  486.108576][ T8216]  ? device_namespace+0x8d/0xc0
[  486.113462][ T8216]  kobject_add_internal+0x2c8/0x970
[  486.118691][ T8216]  kobject_add+0x16f/0x240
[  486.123127][ T8216]  ? kset_create_and_add+0x190/0x190
[  486.128424][ T8216]  ? do_raw_spin_unlock+0x173/0x230
[  486.133630][ T8216]  ? kobject_put+0xbe/0x440
[  486.138152][ T8216]  ? device_add+0xc35/0x1aa0
[  486.142758][ T8216]  device_add+0x289/0x1aa0
[  486.147184][ T8216]  ? device_initialize+0x510/0x510
[  486.152324][ T8216]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  486.159219][ T8216]  ? __init_waitqueue_head+0xca/0x150
[  486.164670][ T8216]  netdev_register_kobject+0x183/0x3f0
[  486.170172][ T8216]  register_netdevice+0xbe6/0x14b0
[  486.175313][ T8216]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  486.181232][ T8216]  ? validate_linkmsg+0x6fc/0x9c0
[  486.186285][ T8216]  br_dev_newlink+0x27/0x110
[  486.190897][ T8216]  ? br_changelink+0x1760/0x1760
[  486.195860][ T8216]  __rtnl_newlink+0x1173/0x1930
[  486.200763][ T8216]  ? rtnl_link_unregister+0x260/0x260
[  486.206178][ T8216]  rtnl_newlink+0x67/0xa0
[  486.210535][ T8216]  ? __rtnl_newlink+0x1930/0x1930
[  486.215590][ T8216]  rtnetlink_rcv_msg+0x3c7/0xe00
[  486.220554][ T8216]  ? rtnl_fill_vf+0x4a0/0x4a0
[  486.225258][ T8216]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  486.231262][ T8216]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  486.237291][ T8216]  netlink_rcv_skb+0x16b/0x440
[  486.242086][ T8216]  ? rtnl_fill_vf+0x4a0/0x4a0
[  486.246806][ T8216]  ? netlink_ack+0x1380/0x1380
[  486.251605][ T8216]  ? lock_sync+0x190/0x190
[  486.256058][ T8216]  ? netlink_deliver_tap+0x1a0/0xd00
[  486.261376][ T8216]  ? _copy_from_iter+0x2c1/0x10f0
[  486.266535][ T8216]  netlink_unicast+0x53b/0x810
[  486.271329][ T8216]  ? netlink_attachskb+0x880/0x880
[  486.276477][ T8216]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  486.282399][ T8216]  ? __phys_addr_symbol+0x30/0x70
[  486.287454][ T8216]  ? __check_object_size+0x323/0x730
[  486.292776][ T8216]  netlink_sendmsg+0x93c/0xe40
[  486.297583][ T8216]  ? netlink_unicast+0x810/0x810
[  486.302555][ T8216]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  486.307868][ T8216]  ? netlink_unicast+0x810/0x810
[  486.312836][ T8216]  __sock_sendmsg+0xd5/0x180
[  486.317452][ T8216]  ____sys_sendmsg+0x6ac/0x940
[  486.322250][ T8216]  ? copy_msghdr_from_user+0x10b/0x160
[  486.327738][ T8216]  ? kernel_sendmsg+0x50/0x50
[  486.332465][ T8216]  ___sys_sendmsg+0x135/0x1d0
[  486.337166][ T8216]  ? do_recvmmsg+0x740/0x740
[  486.341781][ T8216]  ? find_held_lock+0x2d/0x110
[  486.346585][ T8216]  ? preempt_count_sub+0x160/0x160
[  486.351726][ T8216]  ? __fget_light+0x1fc/0x260
[  486.356426][ T8216]  __sys_sendmsg+0x117/0x1e0
[  486.361070][ T8216]  ? __sys_sendmsg_sock+0x30/0x30
[  486.366136][ T8216]  ? syscall_enter_from_user_mode+0x7f/0x120
[  486.372149][ T8216]  do_syscall_64+0x40/0x110
[  486.376673][ T8216]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  486.382593][ T8216] RIP: 0033:0x7ff3fd6020b9
[  486.387012][ T8216] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  486.406801][ T8216] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  486.415229][ T8216] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  486.423210][ T8216] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  486.431182][ T8216] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  486.439153][ T8216] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  486.447126][ T8216] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  486.455097][ T8216]  </TASK>
[  486.460996][ T8216] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  486.507025][ T8234] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  486.517537][ T8234] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  486.527239][ T8234] CPU: 1 PID: 8234 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  486.537670][ T8234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  486.547740][ T8234] Call Trace:
[  486.551030][ T8234]  <TASK>
[  486.553977][ T8234]  dump_stack_lvl+0x125/0x1b0
[  486.558683][ T8234]  sysfs_warn_dup+0x7f/0xa0
[  486.563218][ T8234]  sysfs_create_dir_ns+0x249/0x2b0
[  486.568368][ T8234]  ? sysfs_create_mount_point+0xb0/0xb0
[  486.573962][ T8234]  ? spin_bug+0x1d0/0x1d0
[  486.578324][ T8234]  ? net_namespace+0x12/0x40
[  486.582934][ T8234]  ? device_namespace+0x8d/0xc0
[  486.587795][ T8234]  kobject_add_internal+0x2c8/0x970
[  486.593002][ T8234]  kobject_add+0x16f/0x240
[  486.597421][ T8234]  ? kset_create_and_add+0x190/0x190
[  486.602718][ T8234]  ? do_raw_spin_unlock+0x173/0x230
[  486.607908][ T8234]  ? kobject_put+0xbe/0x440
[  486.612409][ T8234]  ? device_add+0xc35/0x1aa0
[  486.616999][ T8234]  device_add+0x289/0x1aa0
[  486.621414][ T8234]  ? device_initialize+0x510/0x510
[  486.626518][ T8234]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  486.633368][ T8234]  ? __init_waitqueue_head+0xca/0x150
[  486.638743][ T8234]  netdev_register_kobject+0x183/0x3f0
[  486.644208][ T8234]  register_netdevice+0xbe6/0x14b0
[  486.649322][ T8234]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  486.655214][ T8234]  ? validate_linkmsg+0x6fc/0x9c0
[  486.660241][ T8234]  br_dev_newlink+0x27/0x110
[  486.664826][ T8234]  ? br_changelink+0x1760/0x1760
[  486.669754][ T8234]  __rtnl_newlink+0x1173/0x1930
[  486.674608][ T8234]  ? rtnl_link_unregister+0x260/0x260
[  486.680166][ T8234]  rtnl_newlink+0x67/0xa0
[  486.684499][ T8234]  ? __rtnl_newlink+0x1930/0x1930
[  486.689520][ T8234]  rtnetlink_rcv_msg+0x3c7/0xe00
[  486.694457][ T8234]  ? rtnl_fill_vf+0x4a0/0x4a0
[  486.699131][ T8234]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  486.705113][ T8234]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  486.711130][ T8234]  netlink_rcv_skb+0x16b/0x440
[  486.715896][ T8234]  ? rtnl_fill_vf+0x4a0/0x4a0
[  486.720571][ T8234]  ? netlink_ack+0x1380/0x1380
[  486.725332][ T8234]  ? lock_sync+0x190/0x190
[  486.729757][ T8234]  ? netlink_deliver_tap+0x1a0/0xd00
[  486.735074][ T8234]  ? _copy_from_iter+0x2c1/0x10f0
[  486.740106][ T8234]  netlink_unicast+0x53b/0x810
[  486.744902][ T8234]  ? netlink_attachskb+0x880/0x880
[  486.750010][ T8234]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  486.755905][ T8234]  ? __phys_addr_symbol+0x30/0x70
[  486.760925][ T8234]  ? __check_object_size+0x323/0x730
[  486.766229][ T8234]  netlink_sendmsg+0x93c/0xe40
[  486.771015][ T8234]  ? netlink_unicast+0x810/0x810
[  486.775960][ T8234]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  486.781280][ T8234]  ? netlink_unicast+0x810/0x810
[  486.786241][ T8234]  __sock_sendmsg+0xd5/0x180
[  486.790838][ T8234]  ____sys_sendmsg+0x6ac/0x940
[  486.795614][ T8234]  ? copy_msghdr_from_user+0x10b/0x160
[  486.801074][ T8234]  ? kernel_sendmsg+0x50/0x50
[  486.805750][ T8234]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  486.811735][ T8234]  ___sys_sendmsg+0x135/0x1d0
[  486.816417][ T8234]  ? do_recvmmsg+0x740/0x740
[  486.821005][ T8234]  ? find_held_lock+0x2d/0x110
[  486.825774][ T8234]  ? preempt_count_sub+0x160/0x160
[  486.830893][ T8234]  ? __fget_light+0x1fc/0x260
[  486.835570][ T8234]  __sys_sendmsg+0x117/0x1e0
[  486.840163][ T8234]  ? __sys_sendmsg_sock+0x30/0x30
[  486.845289][ T8234]  ? syscall_enter_from_user_mode+0x7f/0x120
[  486.851276][ T8234]  do_syscall_64+0x40/0x110
[  486.855781][ T8234]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  486.861679][ T8234] RIP: 0033:0x7ff3fd6020b9
[  486.866092][ T8234] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  486.885707][ T8234] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  486.894127][ T8234] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  486.902094][ T8234] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  486.910062][ T8234] RBP: 000000000007688b R08: 0000000000000000 R09: 0000000000000006
[  486.918033][ T8234] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  486.926006][ T8234] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  486.933996][ T8234]  </TASK>
[  486.940908][ T8234] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  486.983202][ T8234] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  486.992429][ T8234] CPU: 1 PID: 8234 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  487.002877][ T8234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  487.012952][ T8234] Call Trace:
[  487.016258][ T8234]  <TASK>
[  487.019209][ T8234]  dump_stack_lvl+0x125/0x1b0
[  487.023903][ T8234]  sysfs_warn_dup+0x7f/0xa0
[  487.028425][ T8234]  sysfs_create_dir_ns+0x249/0x2b0
[  487.033564][ T8234]  ? sysfs_create_mount_point+0xb0/0xb0
[  487.039128][ T8234]  ? spin_bug+0x1d0/0x1d0
[  487.043483][ T8234]  ? net_namespace+0x12/0x40
[  487.048102][ T8234]  ? device_namespace+0x8d/0xc0
[  487.052981][ T8234]  kobject_add_internal+0x2c8/0x970
[  487.058205][ T8234]  kobject_add+0x16f/0x240
[  487.062648][ T8234]  ? kset_create_and_add+0x190/0x190
[  487.067972][ T8234]  ? do_raw_spin_unlock+0x173/0x230
[  487.073204][ T8234]  ? kobject_put+0xbe/0x440
[  487.077757][ T8234]  ? device_add+0xc35/0x1aa0
[  487.082392][ T8234]  device_add+0x289/0x1aa0
[  487.086854][ T8234]  ? device_initialize+0x510/0x510
[  487.092003][ T8234]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  487.098874][ T8234]  ? __init_waitqueue_head+0xca/0x150
[  487.104276][ T8234]  netdev_register_kobject+0x183/0x3f0
[  487.109753][ T8234]  register_netdevice+0xbe6/0x14b0
[  487.114875][ T8234]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  487.120773][ T8234]  ? validate_linkmsg+0x6fc/0x9c0
[  487.125802][ T8234]  br_dev_newlink+0x27/0x110
[  487.130392][ T8234]  ? br_changelink+0x1760/0x1760
[  487.135328][ T8234]  __rtnl_newlink+0x1173/0x1930
[  487.140186][ T8234]  ? rtnl_link_unregister+0x260/0x260
[  487.145570][ T8234]  rtnl_newlink+0x67/0xa0
[  487.149895][ T8234]  ? __rtnl_newlink+0x1930/0x1930
[  487.154918][ T8234]  rtnetlink_rcv_msg+0x3c7/0xe00
[  487.159855][ T8234]  ? rtnl_fill_vf+0x4a0/0x4a0
[  487.164530][ T8234]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  487.170512][ T8234]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  487.176524][ T8234]  netlink_rcv_skb+0x16b/0x440
[  487.181308][ T8234]  ? rtnl_fill_vf+0x4a0/0x4a0
[  487.185985][ T8234]  ? netlink_ack+0x1380/0x1380
[  487.190766][ T8234]  ? lock_sync+0x190/0x190
[  487.195196][ T8234]  ? netlink_deliver_tap+0x1a0/0xd00
[  487.200485][ T8234]  ? _copy_from_iter+0x2c1/0x10f0
[  487.205547][ T8234]  netlink_unicast+0x53b/0x810
[  487.210321][ T8234]  ? netlink_attachskb+0x880/0x880
[  487.215432][ T8234]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  487.221324][ T8234]  ? __phys_addr_symbol+0x30/0x70
[  487.226352][ T8234]  ? __check_object_size+0x323/0x730
[  487.231639][ T8234]  netlink_sendmsg+0x93c/0xe40
[  487.236410][ T8234]  ? netlink_unicast+0x810/0x810
[  487.241378][ T8234]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  487.246689][ T8234]  ? netlink_unicast+0x810/0x810
[  487.251648][ T8234]  __sock_sendmsg+0xd5/0x180
[  487.256248][ T8234]  ____sys_sendmsg+0x6ac/0x940
[  487.261022][ T8234]  ? copy_msghdr_from_user+0x10b/0x160
[  487.266480][ T8234]  ? kernel_sendmsg+0x50/0x50
[  487.271159][ T8234]  ? hlock_class+0x4e/0x130
[  487.275664][ T8234]  ? __lock_acquire+0x14e0/0x3b10
[  487.280697][ T8234]  ___sys_sendmsg+0x135/0x1d0
[  487.285380][ T8234]  ? do_recvmmsg+0x740/0x740
[  487.289996][ T8234]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  487.295979][ T8234]  ? find_held_lock+0x2d/0x110
[  487.300769][ T8234]  ? __fget_light+0x1fc/0x260
[  487.305447][ T8234]  __sys_sendmsg+0x117/0x1e0
[  487.310039][ T8234]  ? __sys_sendmsg_sock+0x30/0x30
[  487.315066][ T8234]  ? __do_sys_rseq+0x750/0x750
[  487.319837][ T8234]  ? syscall_enter_from_user_mode+0x7f/0x120
[  487.325820][ T8234]  do_syscall_64+0x40/0x110
[  487.330321][ T8234]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  487.336217][ T8234] RIP: 0033:0x7ff3fd6020b9
[  487.340625][ T8234] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  487.360235][ T8234] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  487.368671][ T8234] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  487.376641][ T8234] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  487.384609][ T8234] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  487.392579][ T8234] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  487.400542][ T8234] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  487.408522][ T8234]  </TASK>
[  487.423380][ T8234] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  487.497227][ T8249] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  487.507669][ T8249] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  487.517315][ T8249] CPU: 0 PID: 8249 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  487.527758][ T8249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  487.537820][ T8249] Call Trace:
[  487.541108][ T8249]  <TASK>
[  487.544054][ T8249]  dump_stack_lvl+0x125/0x1b0
[  487.548758][ T8249]  sysfs_warn_dup+0x7f/0xa0
[  487.553291][ T8249]  sysfs_create_dir_ns+0x249/0x2b0
[  487.558436][ T8249]  ? sysfs_create_mount_point+0xb0/0xb0
[  487.564007][ T8249]  ? spin_bug+0x1d0/0x1d0
[  487.568357][ T8249]  ? net_namespace+0x12/0x40
[  487.572961][ T8249]  ? device_namespace+0x8d/0xc0
[  487.577838][ T8249]  kobject_add_internal+0x2c8/0x970
[  487.583069][ T8249]  kobject_add+0x16f/0x240
[  487.587512][ T8249]  ? kset_create_and_add+0x190/0x190
[  487.592811][ T8249]  ? do_raw_spin_unlock+0x173/0x230
[  487.598023][ T8249]  ? kobject_put+0xbe/0x440
[  487.602543][ T8249]  ? device_add+0xc35/0x1aa0
[  487.607156][ T8249]  device_add+0x289/0x1aa0
[  487.611621][ T8249]  ? device_initialize+0x510/0x510
[  487.616786][ T8249]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  487.623659][ T8249]  ? __init_waitqueue_head+0xca/0x150
[  487.629056][ T8249]  netdev_register_kobject+0x183/0x3f0
[  487.634542][ T8249]  register_netdevice+0xbe6/0x14b0
[  487.639681][ T8249]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  487.645598][ T8249]  ? validate_linkmsg+0x6fc/0x9c0
[  487.650640][ T8249]  br_dev_newlink+0x27/0x110
[  487.655249][ T8249]  ? br_changelink+0x1760/0x1760
[  487.660197][ T8249]  __rtnl_newlink+0x1173/0x1930
[  487.665071][ T8249]  ? rtnl_link_unregister+0x260/0x260
[  487.670477][ T8249]  rtnl_newlink+0x67/0xa0
[  487.674843][ T8249]  ? __rtnl_newlink+0x1930/0x1930
[  487.679890][ T8249]  rtnetlink_rcv_msg+0x3c7/0xe00
[  487.684847][ T8249]  ? rtnl_fill_vf+0x4a0/0x4a0
[  487.689540][ T8249]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  487.695540][ T8249]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  487.701556][ T8249]  netlink_rcv_skb+0x16b/0x440
[  487.706340][ T8249]  ? rtnl_fill_vf+0x4a0/0x4a0
[  487.711035][ T8249]  ? netlink_ack+0x1380/0x1380
[  487.715820][ T8249]  ? lock_sync+0x190/0x190
[  487.720282][ T8249]  ? netlink_deliver_tap+0x1a0/0xd00
[  487.725594][ T8249]  ? _copy_from_iter+0x2c1/0x10f0
[  487.730645][ T8249]  netlink_unicast+0x53b/0x810
[  487.735434][ T8249]  ? netlink_attachskb+0x880/0x880
[  487.740576][ T8249]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  487.746496][ T8249]  ? __phys_addr_symbol+0x30/0x70
[  487.751537][ T8249]  ? __check_object_size+0x323/0x730
[  487.756849][ T8249]  netlink_sendmsg+0x93c/0xe40
[  487.761640][ T8249]  ? netlink_unicast+0x810/0x810
[  487.766604][ T8249]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  487.771909][ T8249]  ? netlink_unicast+0x810/0x810
[  487.776865][ T8249]  __sock_sendmsg+0xd5/0x180
[  487.781558][ T8249]  ____sys_sendmsg+0x6ac/0x940
[  487.786339][ T8249]  ? copy_msghdr_from_user+0x10b/0x160
[  487.791816][ T8249]  ? kernel_sendmsg+0x50/0x50
[  487.796518][ T8249]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  487.802534][ T8249]  ___sys_sendmsg+0x135/0x1d0
[  487.807236][ T8249]  ? do_recvmmsg+0x740/0x740
[  487.811844][ T8249]  ? find_held_lock+0x2d/0x110
[  487.816652][ T8249]  ? preempt_count_sub+0x160/0x160
[  487.821784][ T8249]  ? __fget_light+0x1fc/0x260
[  487.826468][ T8249]  __sys_sendmsg+0x117/0x1e0
[  487.831078][ T8249]  ? __sys_sendmsg_sock+0x30/0x30
[  487.836086][ T8249]  ? xfd_validate_state+0x5d/0x180
[  487.841197][ T8249]  ? syscall_enter_from_user_mode+0x7f/0x120
[  487.847164][ T8249]  do_syscall_64+0x40/0x110
[  487.851664][ T8249]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  487.857566][ T8249] RIP: 0033:0x7ff3fd6020b9
[  487.862072][ T8249] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  487.881667][ T8249] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  487.890059][ T8249] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  487.898011][ T8249] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  487.905972][ T8249] RBP: 0000000000076c54 R08: 0000000000000000 R09: 0000000000000006
[  487.913928][ T8249] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  487.921888][ T8249] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  487.929850][ T8249]  </TASK>
[  487.937134][ T8249] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  487.984125][ T8249] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  487.993454][ T8249] CPU: 1 PID: 8249 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  488.003996][ T8249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  488.014066][ T8249] Call Trace:
[  488.017352][ T8249]  <TASK>
[  488.020294][ T8249]  dump_stack_lvl+0x125/0x1b0
[  488.024992][ T8249]  sysfs_warn_dup+0x7f/0xa0
[  488.029524][ T8249]  sysfs_create_dir_ns+0x249/0x2b0
[  488.034669][ T8249]  ? sysfs_create_mount_point+0xb0/0xb0
[  488.040241][ T8249]  ? spin_bug+0x1d0/0x1d0
[  488.044591][ T8249]  ? net_namespace+0x12/0x40
[  488.049199][ T8249]  ? device_namespace+0x8d/0xc0
[  488.054082][ T8249]  kobject_add_internal+0x2c8/0x970
[  488.059305][ T8249]  kobject_add+0x16f/0x240
[  488.063745][ T8249]  ? kset_create_and_add+0x190/0x190
[  488.069047][ T8249]  ? do_raw_spin_unlock+0x173/0x230
[  488.074280][ T8249]  ? kobject_put+0xbe/0x440
[  488.078826][ T8249]  ? device_add+0xc35/0x1aa0
[  488.083440][ T8249]  device_add+0x289/0x1aa0
[  488.087875][ T8249]  ? device_initialize+0x510/0x510
[  488.093018][ T8249]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  488.099899][ T8249]  ? __init_waitqueue_head+0xca/0x150
[  488.105303][ T8249]  netdev_register_kobject+0x183/0x3f0
[  488.110789][ T8249]  register_netdevice+0xbe6/0x14b0
[  488.115927][ T8249]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  488.121856][ T8249]  ? validate_linkmsg+0x6fc/0x9c0
[  488.126901][ T8249]  br_dev_newlink+0x27/0x110
[  488.131518][ T8249]  ? br_changelink+0x1760/0x1760
[  488.136505][ T8249]  __rtnl_newlink+0x1173/0x1930
[  488.141405][ T8249]  ? rtnl_link_unregister+0x260/0x260
[  488.146835][ T8249]  rtnl_newlink+0x67/0xa0
[  488.151182][ T8249]  ? __rtnl_newlink+0x1930/0x1930
[  488.156226][ T8249]  rtnetlink_rcv_msg+0x3c7/0xe00
[  488.161184][ T8249]  ? rtnl_fill_vf+0x4a0/0x4a0
[  488.165884][ T8249]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  488.171896][ T8249]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  488.177909][ T8249]  netlink_rcv_skb+0x16b/0x440
[  488.182698][ T8249]  ? rtnl_fill_vf+0x4a0/0x4a0
[  488.187404][ T8249]  ? netlink_ack+0x1380/0x1380
[  488.192223][ T8249]  ? lock_sync+0x190/0x190
[  488.196671][ T8249]  ? netlink_deliver_tap+0x1a0/0xd00
[  488.201974][ T8249]  ? _copy_from_iter+0x2c1/0x10f0
[  488.207051][ T8249]  netlink_unicast+0x53b/0x810
[  488.211839][ T8249]  ? netlink_attachskb+0x880/0x880
[  488.216975][ T8249]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  488.222885][ T8249]  ? __phys_addr_symbol+0x30/0x70
[  488.227932][ T8249]  ? __check_object_size+0x323/0x730
[  488.233232][ T8249]  netlink_sendmsg+0x93c/0xe40
[  488.238034][ T8249]  ? netlink_unicast+0x810/0x810
[  488.243006][ T8249]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  488.248307][ T8249]  ? netlink_unicast+0x810/0x810
[  488.253264][ T8249]  __sock_sendmsg+0xd5/0x180
[  488.257867][ T8249]  ____sys_sendmsg+0x6ac/0x940
[  488.262643][ T8249]  ? copy_msghdr_from_user+0x10b/0x160
[  488.268125][ T8249]  ? kernel_sendmsg+0x50/0x50
[  488.272832][ T8249]  ___sys_sendmsg+0x135/0x1d0
[  488.277541][ T8249]  ? do_recvmmsg+0x740/0x740
[  488.282154][ T8249]  ? find_held_lock+0x2d/0x110
[  488.286948][ T8249]  ? preempt_count_sub+0x160/0x160
[  488.292088][ T8249]  ? __fget_light+0x1fc/0x260
[  488.296786][ T8249]  __sys_sendmsg+0x117/0x1e0
[  488.301406][ T8249]  ? __sys_sendmsg_sock+0x30/0x30
[  488.306482][ T8249]  ? xfd_validate_state+0x5d/0x180
[  488.311634][ T8249]  ? syscall_enter_from_user_mode+0x7f/0x120
[  488.317637][ T8249]  do_syscall_64+0x40/0x110
[  488.322146][ T8249]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  488.328042][ T8249] RIP: 0033:0x7ff3fd6020b9
[  488.332476][ T8249] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  488.352167][ T8249] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  488.360564][ T8249] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  488.368535][ T8249] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  488.376505][ T8249] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  488.384468][ T8249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  488.392438][ T8249] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  488.400497][ T8249]  </TASK>
[  488.407277][ T8249] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  488.457707][ T8277] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  488.468568][ T8277] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  488.478032][ T8277] CPU: 1 PID: 8277 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  488.488475][ T8277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  488.498544][ T8277] Call Trace:
[  488.501845][ T8277]  <TASK>
[  488.504789][ T8277]  dump_stack_lvl+0x125/0x1b0
[  488.509485][ T8277]  sysfs_warn_dup+0x7f/0xa0
[  488.514012][ T8277]  sysfs_create_dir_ns+0x249/0x2b0
[  488.519140][ T8277]  ? sysfs_create_mount_point+0xb0/0xb0
[  488.524699][ T8277]  ? spin_bug+0x1d0/0x1d0
[  488.529035][ T8277]  ? net_namespace+0x12/0x40
[  488.533639][ T8277]  ? device_namespace+0x8d/0xc0
[  488.538667][ T8277]  kobject_add_internal+0x2c8/0x970
[  488.543872][ T8277]  kobject_add+0x16f/0x240
[  488.548284][ T8277]  ? kset_create_and_add+0x190/0x190
[  488.553564][ T8277]  ? do_raw_spin_unlock+0x173/0x230
[  488.558756][ T8277]  ? kobject_put+0xbe/0x440
[  488.563285][ T8277]  ? device_add+0xc35/0x1aa0
[  488.567871][ T8277]  device_add+0x289/0x1aa0
[  488.572282][ T8277]  ? device_initialize+0x510/0x510
[  488.577388][ T8277]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  488.584263][ T8277]  ? __init_waitqueue_head+0xca/0x150
[  488.589635][ T8277]  netdev_register_kobject+0x183/0x3f0
[  488.595185][ T8277]  register_netdevice+0xbe6/0x14b0
[  488.600298][ T8277]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  488.606189][ T8277]  ? validate_linkmsg+0x6fc/0x9c0
[  488.611212][ T8277]  br_dev_newlink+0x27/0x110
[  488.615796][ T8277]  ? br_changelink+0x1760/0x1760
[  488.620727][ T8277]  __rtnl_newlink+0x1173/0x1930
[  488.625583][ T8277]  ? rtnl_link_unregister+0x260/0x260
[  488.630966][ T8277]  rtnl_newlink+0x67/0xa0
[  488.635289][ T8277]  ? __rtnl_newlink+0x1930/0x1930
[  488.640309][ T8277]  rtnetlink_rcv_msg+0x3c7/0xe00
[  488.645246][ T8277]  ? rtnl_fill_vf+0x4a0/0x4a0
[  488.649919][ T8277]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  488.655899][ T8277]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  488.661884][ T8277]  netlink_rcv_skb+0x16b/0x440
[  488.666650][ T8277]  ? rtnl_fill_vf+0x4a0/0x4a0
[  488.671325][ T8277]  ? netlink_ack+0x1380/0x1380
[  488.676176][ T8277]  ? lock_sync+0x190/0x190
[  488.680601][ T8277]  ? netlink_deliver_tap+0x1a0/0xd00
[  488.685888][ T8277]  ? _copy_from_iter+0x2c1/0x10f0
[  488.690914][ T8277]  netlink_unicast+0x53b/0x810
[  488.695680][ T8277]  ? netlink_attachskb+0x880/0x880
[  488.700785][ T8277]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  488.706672][ T8277]  ? __phys_addr_symbol+0x30/0x70
[  488.711688][ T8277]  ? __check_object_size+0x323/0x730
[  488.716968][ T8277]  netlink_sendmsg+0x93c/0xe40
[  488.721732][ T8277]  ? netlink_unicast+0x810/0x810
[  488.726667][ T8277]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  488.731947][ T8277]  ? netlink_unicast+0x810/0x810
[  488.736882][ T8277]  __sock_sendmsg+0xd5/0x180
[  488.741466][ T8277]  ____sys_sendmsg+0x6ac/0x940
[  488.746222][ T8277]  ? copy_msghdr_from_user+0x10b/0x160
[  488.751677][ T8277]  ? kernel_sendmsg+0x50/0x50
[  488.756349][ T8277]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  488.762329][ T8277]  ___sys_sendmsg+0x135/0x1d0
[  488.767003][ T8277]  ? do_recvmmsg+0x740/0x740
[  488.771586][ T8277]  ? find_held_lock+0x2d/0x110
[  488.776355][ T8277]  ? preempt_count_sub+0x160/0x160
[  488.781496][ T8277]  ? __fget_light+0x1fc/0x260
[  488.786186][ T8277]  __sys_sendmsg+0x117/0x1e0
[  488.790780][ T8277]  ? __sys_sendmsg_sock+0x30/0x30
[  488.795815][ T8277]  ? syscall_enter_from_user_mode+0x7f/0x120
[  488.801798][ T8277]  do_syscall_64+0x40/0x110
[  488.806296][ T8277]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  488.812190][ T8277] RIP: 0033:0x7ff3fd6020b9
[  488.816594][ T8277] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  488.836194][ T8277] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  488.844603][ T8277] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  488.852589][ T8277] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  488.860550][ T8277] RBP: 0000000000077032 R08: 0000000000000000 R09: 0000000000000006
[  488.868512][ T8277] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  488.876472][ T8277] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  488.884451][ T8277]  </TASK>
[  488.892267][ T8277] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  488.953135][ T8277] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  488.967621][ T8277] CPU: 1 PID: 8277 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  488.978075][ T8277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  488.988120][ T8277] Call Trace:
[  488.991393][ T8277]  <TASK>
[  488.994315][ T8277]  dump_stack_lvl+0x125/0x1b0
[  488.998990][ T8277]  sysfs_warn_dup+0x7f/0xa0
[  489.003488][ T8277]  sysfs_create_dir_ns+0x249/0x2b0
[  489.008591][ T8277]  ? sysfs_create_mount_point+0xb0/0xb0
[  489.014130][ T8277]  ? spin_bug+0x1d0/0x1d0
[  489.018449][ T8277]  ? net_namespace+0x12/0x40
[  489.023027][ T8277]  ? device_namespace+0x8d/0xc0
[  489.027874][ T8277]  kobject_add_internal+0x2c8/0x970
[  489.033067][ T8277]  kobject_add+0x16f/0x240
[  489.037476][ T8277]  ? kset_create_and_add+0x190/0x190
[  489.042756][ T8277]  ? do_raw_spin_unlock+0x173/0x230
[  489.047943][ T8277]  ? kobject_put+0xbe/0x440
[  489.052442][ T8277]  ? device_add+0xc35/0x1aa0
[  489.057036][ T8277]  device_add+0x289/0x1aa0
[  489.061487][ T8277]  ? device_initialize+0x510/0x510
[  489.066614][ T8277]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  489.073460][ T8277]  ? __init_waitqueue_head+0xca/0x150
[  489.078830][ T8277]  netdev_register_kobject+0x183/0x3f0
[  489.084286][ T8277]  register_netdevice+0xbe6/0x14b0
[  489.089391][ T8277]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  489.095276][ T8277]  ? validate_linkmsg+0x6fc/0x9c0
[  489.100293][ T8277]  br_dev_newlink+0x27/0x110
[  489.104882][ T8277]  ? br_changelink+0x1760/0x1760
[  489.110082][ T8277]  __rtnl_newlink+0x1173/0x1930
[  489.115039][ T8277]  ? rtnl_link_unregister+0x260/0x260
[  489.120424][ T8277]  rtnl_newlink+0x67/0xa0
[  489.124746][ T8277]  ? __rtnl_newlink+0x1930/0x1930
[  489.129778][ T8277]  rtnetlink_rcv_msg+0x3c7/0xe00
[  489.134713][ T8277]  ? rtnl_fill_vf+0x4a0/0x4a0
[  489.139385][ T8277]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  489.145364][ T8277]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  489.151344][ T8277]  netlink_rcv_skb+0x16b/0x440
[  489.156103][ T8277]  ? rtnl_fill_vf+0x4a0/0x4a0
[  489.160773][ T8277]  ? netlink_ack+0x1380/0x1380
[  489.165532][ T8277]  ? lock_sync+0x190/0x190
[  489.169949][ T8277]  ? netlink_deliver_tap+0x1a0/0xd00
[  489.175232][ T8277]  ? _copy_from_iter+0x2c1/0x10f0
[  489.180252][ T8277]  netlink_unicast+0x53b/0x810
[  489.185011][ T8277]  ? netlink_attachskb+0x880/0x880
[  489.190112][ T8277]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  489.195995][ T8277]  ? __phys_addr_symbol+0x30/0x70
[  489.201010][ T8277]  ? __check_object_size+0x323/0x730
[  489.206284][ T8277]  netlink_sendmsg+0x93c/0xe40
[  489.211042][ T8277]  ? netlink_unicast+0x810/0x810
[  489.215976][ T8277]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  489.221271][ T8277]  ? netlink_unicast+0x810/0x810
[  489.226205][ T8277]  __sock_sendmsg+0xd5/0x180
[  489.230789][ T8277]  ____sys_sendmsg+0x6ac/0x940
[  489.235542][ T8277]  ? copy_msghdr_from_user+0x10b/0x160
[  489.240990][ T8277]  ? kernel_sendmsg+0x50/0x50
[  489.245660][ T8277]  ___sys_sendmsg+0x135/0x1d0
[  489.250336][ T8277]  ? do_recvmmsg+0x740/0x740
[  489.254915][ T8277]  ? find_held_lock+0x2d/0x110
[  489.259675][ T8277]  ? preempt_count_sub+0x160/0x160
[  489.264786][ T8277]  ? __fget_light+0x1fc/0x260
[  489.269456][ T8277]  __sys_sendmsg+0x117/0x1e0
[  489.274043][ T8277]  ? __sys_sendmsg_sock+0x30/0x30
[  489.279065][ T8277]  ? syscall_enter_from_user_mode+0x7f/0x120
[  489.285044][ T8277]  do_syscall_64+0x40/0x110
[  489.289540][ T8277]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  489.295426][ T8277] RIP: 0033:0x7ff3fd6020b9
[  489.299830][ T8277] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  489.319422][ T8277] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  489.327821][ T8277] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  489.335774][ T8277] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  489.343731][ T8277] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  489.351686][ T8277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  489.359640][ T8277] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  489.367602][ T8277]  </TASK>
[  489.372196][ T8277] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  489.416778][ T8290] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  489.426982][ T8290] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  489.436149][ T8290] CPU: 0 PID: 8290 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  489.446563][ T8290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  489.456601][ T8290] Call Trace:
[  489.459868][ T8290]  <TASK>
[  489.462785][ T8290]  dump_stack_lvl+0x125/0x1b0
[  489.467455][ T8290]  sysfs_warn_dup+0x7f/0xa0
[  489.471950][ T8290]  sysfs_create_dir_ns+0x249/0x2b0
[  489.477056][ T8290]  ? sysfs_create_mount_point+0xb0/0xb0
[  489.482596][ T8290]  ? spin_bug+0x1d0/0x1d0
[  489.486924][ T8290]  ? net_namespace+0x12/0x40
[  489.491502][ T8290]  ? device_namespace+0x8d/0xc0
[  489.496343][ T8290]  kobject_add_internal+0x2c8/0x970
[  489.501534][ T8290]  kobject_add+0x16f/0x240
[  489.505941][ T8290]  ? kset_create_and_add+0x190/0x190
[  489.511224][ T8290]  ? do_raw_spin_unlock+0x173/0x230
[  489.516411][ T8290]  ? kobject_put+0xbe/0x440
[  489.520908][ T8290]  ? device_add+0xc35/0x1aa0
[  489.525490][ T8290]  device_add+0x289/0x1aa0
[  489.529898][ T8290]  ? device_initialize+0x510/0x510
[  489.535116][ T8290]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  489.541977][ T8290]  ? __init_waitqueue_head+0xca/0x150
[  489.547357][ T8290]  netdev_register_kobject+0x183/0x3f0
[  489.552840][ T8290]  register_netdevice+0xbe6/0x14b0
[  489.557942][ T8290]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  489.563820][ T8290]  ? validate_linkmsg+0x6fc/0x9c0
[  489.568833][ T8290]  br_dev_newlink+0x27/0x110
[  489.573419][ T8290]  ? br_changelink+0x1760/0x1760
[  489.578343][ T8290]  __rtnl_newlink+0x1173/0x1930
[  489.583220][ T8290]  ? rtnl_link_unregister+0x260/0x260
[  489.588596][ T8290]  rtnl_newlink+0x67/0xa0
[  489.592918][ T8290]  ? __rtnl_newlink+0x1930/0x1930
[  489.597931][ T8290]  rtnetlink_rcv_msg+0x3c7/0xe00
[  489.602860][ T8290]  ? rtnl_fill_vf+0x4a0/0x4a0
[  489.607528][ T8290]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  489.613503][ T8290]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  489.619485][ T8290]  netlink_rcv_skb+0x16b/0x440
[  489.624244][ T8290]  ? rtnl_fill_vf+0x4a0/0x4a0
[  489.628910][ T8290]  ? netlink_ack+0x1380/0x1380
[  489.633672][ T8290]  ? lock_sync+0x190/0x190
[  489.638137][ T8290]  ? netlink_deliver_tap+0x1a0/0xd00
[  489.643437][ T8290]  ? _copy_from_iter+0x2c1/0x10f0
[  489.648457][ T8290]  netlink_unicast+0x53b/0x810
[  489.653214][ T8290]  ? netlink_attachskb+0x880/0x880
[  489.658314][ T8290]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  489.664197][ T8290]  ? __phys_addr_symbol+0x30/0x70
[  489.669220][ T8290]  ? __check_object_size+0x323/0x730
[  489.674503][ T8290]  netlink_sendmsg+0x93c/0xe40
[  489.679265][ T8290]  ? netlink_unicast+0x810/0x810
[  489.684194][ T8290]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  489.689468][ T8290]  ? netlink_unicast+0x810/0x810
[  489.694394][ T8290]  __sock_sendmsg+0xd5/0x180
[  489.698974][ T8290]  ____sys_sendmsg+0x6ac/0x940
[  489.703725][ T8290]  ? copy_msghdr_from_user+0x10b/0x160
[  489.709174][ T8290]  ? kernel_sendmsg+0x50/0x50
[  489.713841][ T8290]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  489.719843][ T8290]  ___sys_sendmsg+0x135/0x1d0
[  489.724520][ T8290]  ? do_recvmmsg+0x740/0x740
[  489.729100][ T8290]  ? find_held_lock+0x2d/0x110
[  489.733877][ T8290]  ? preempt_count_sub+0x160/0x160
[  489.739001][ T8290]  ? __fget_light+0x1fc/0x260
[  489.743667][ T8290]  __sys_sendmsg+0x117/0x1e0
[  489.748246][ T8290]  ? __sys_sendmsg_sock+0x30/0x30
[  489.753263][ T8290]  ? syscall_enter_from_user_mode+0x7f/0x120
[  489.759234][ T8290]  do_syscall_64+0x40/0x110
[  489.763721][ T8290]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  489.769604][ T8290] RIP: 0033:0x7ff3fd6020b9
[  489.774001][ T8290] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  489.793620][ T8290] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  489.802022][ T8290] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  489.810015][ T8290] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  489.817984][ T8290] RBP: 00000000000773f3 R08: 0000000000000000 R09: 0000000000000006
[  489.825969][ T8290] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  489.833932][ T8290] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  489.841899][ T8290]  </TASK>
[  489.849668][ T8290] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  489.923428][ T8290] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  489.932635][ T8290] CPU: 0 PID: 8290 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  489.943133][ T8290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  489.953175][ T8290] Call Trace:
[  489.956461][ T8290]  <TASK>
[  489.959403][ T8290]  dump_stack_lvl+0x125/0x1b0
[  489.964076][ T8290]  sysfs_warn_dup+0x7f/0xa0
[  489.968570][ T8290]  sysfs_create_dir_ns+0x249/0x2b0
[  489.973760][ T8290]  ? sysfs_create_mount_point+0xb0/0xb0
[  489.979294][ T8290]  ? spin_bug+0x1d0/0x1d0
[  489.983613][ T8290]  ? net_namespace+0x12/0x40
[  489.988200][ T8290]  ? device_namespace+0x8d/0xc0
[  489.993047][ T8290]  kobject_add_internal+0x2c8/0x970
[  489.998259][ T8290]  kobject_add+0x16f/0x240
[  490.002665][ T8290]  ? kset_create_and_add+0x190/0x190
[  490.007939][ T8290]  ? do_raw_spin_unlock+0x173/0x230
[  490.013128][ T8290]  ? kobject_put+0xbe/0x440
[  490.017628][ T8290]  ? device_add+0xc35/0x1aa0
[  490.022208][ T8290]  device_add+0x289/0x1aa0
[  490.026615][ T8290]  ? device_initialize+0x510/0x510
[  490.031727][ T8290]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  490.038610][ T8290]  ? __init_waitqueue_head+0xca/0x150
[  490.043979][ T8290]  netdev_register_kobject+0x183/0x3f0
[  490.049475][ T8290]  register_netdevice+0xbe6/0x14b0
[  490.054596][ T8290]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  490.060484][ T8290]  ? validate_linkmsg+0x6fc/0x9c0
[  490.065524][ T8290]  br_dev_newlink+0x27/0x110
[  490.070103][ T8290]  ? br_changelink+0x1760/0x1760
[  490.075031][ T8290]  __rtnl_newlink+0x1173/0x1930
[  490.079886][ T8290]  ? rtnl_link_unregister+0x260/0x260
[  490.085261][ T8290]  rtnl_newlink+0x67/0xa0
[  490.089581][ T8290]  ? __rtnl_newlink+0x1930/0x1930
[  490.094854][ T8290]  rtnetlink_rcv_msg+0x3c7/0xe00
[  490.099790][ T8290]  ? rtnl_fill_vf+0x4a0/0x4a0
[  490.104479][ T8290]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  490.110464][ T8290]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  490.116460][ T8290]  netlink_rcv_skb+0x16b/0x440
[  490.121339][ T8290]  ? rtnl_fill_vf+0x4a0/0x4a0
[  490.126024][ T8290]  ? netlink_ack+0x1380/0x1380
[  490.130778][ T8290]  ? lock_sync+0x190/0x190
[  490.135200][ T8290]  ? netlink_deliver_tap+0x1a0/0xd00
[  490.140476][ T8290]  ? _copy_from_iter+0x2c1/0x10f0
[  490.145596][ T8290]  netlink_unicast+0x53b/0x810
[  490.150354][ T8290]  ? netlink_attachskb+0x880/0x880
[  490.155455][ T8290]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  490.161515][ T8290]  ? __phys_addr_symbol+0x30/0x70
[  490.166535][ T8290]  ? __check_object_size+0x323/0x730
[  490.171815][ T8290]  netlink_sendmsg+0x93c/0xe40
[  490.176571][ T8290]  ? netlink_unicast+0x810/0x810
[  490.181505][ T8290]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  490.186777][ T8290]  ? netlink_unicast+0x810/0x810
[  490.191706][ T8290]  __sock_sendmsg+0xd5/0x180
[  490.196287][ T8290]  ____sys_sendmsg+0x6ac/0x940
[  490.201040][ T8290]  ? copy_msghdr_from_user+0x10b/0x160
[  490.206506][ T8290]  ? kernel_sendmsg+0x50/0x50
[  490.211179][ T8290]  ___sys_sendmsg+0x135/0x1d0
[  490.215846][ T8290]  ? do_recvmmsg+0x740/0x740
[  490.220427][ T8290]  ? find_held_lock+0x2d/0x110
[  490.225198][ T8290]  ? preempt_count_sub+0x160/0x160
[  490.230303][ T8290]  ? __fget_light+0x1fc/0x260
[  490.234974][ T8290]  __sys_sendmsg+0x117/0x1e0
[  490.239553][ T8290]  ? __sys_sendmsg_sock+0x30/0x30
[  490.244602][ T8290]  ? syscall_enter_from_user_mode+0x7f/0x120
[  490.250611][ T8290]  do_syscall_64+0x40/0x110
[  490.255162][ T8290]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  490.261073][ T8290] RIP: 0033:0x7ff3fd6020b9
[  490.265478][ T8290] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  490.285085][ T8290] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  490.293500][ T8290] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  490.301463][ T8290] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  490.309425][ T8290] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  490.317426][ T8290] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  490.325485][ T8290] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  490.333460][ T8290]  </TASK>
[  490.340327][ T8290] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  490.417016][ T8291] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  490.428639][ T8291] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  490.437855][ T8291] CPU: 1 PID: 8291 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  490.448275][ T8291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  490.458321][ T8291] Call Trace:
[  490.461598][ T8291]  <TASK>
[  490.464545][ T8291]  dump_stack_lvl+0x125/0x1b0
[  490.469213][ T8291]  sysfs_warn_dup+0x7f/0xa0
[  490.473718][ T8291]  sysfs_create_dir_ns+0x249/0x2b0
[  490.478825][ T8291]  ? sysfs_create_mount_point+0xb0/0xb0
[  490.484363][ T8291]  ? spin_bug+0x1d0/0x1d0
[  490.488681][ T8291]  ? net_namespace+0x12/0x40
[  490.493284][ T8291]  ? device_namespace+0x8d/0xc0
[  490.498128][ T8291]  kobject_add_internal+0x2c8/0x970
[  490.503345][ T8291]  kobject_add+0x16f/0x240
[  490.507760][ T8291]  ? kset_create_and_add+0x190/0x190
[  490.513041][ T8291]  ? do_raw_spin_unlock+0x173/0x230
[  490.518227][ T8291]  ? kobject_put+0xbe/0x440
[  490.522776][ T8291]  ? device_add+0xc35/0x1aa0
[  490.527458][ T8291]  device_add+0x289/0x1aa0
[  490.531863][ T8291]  ? device_initialize+0x510/0x510
[  490.536960][ T8291]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  490.543807][ T8291]  ? __init_waitqueue_head+0xca/0x150
[  490.549201][ T8291]  netdev_register_kobject+0x183/0x3f0
[  490.554654][ T8291]  register_netdevice+0xbe6/0x14b0
[  490.559763][ T8291]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  490.565645][ T8291]  ? validate_linkmsg+0x6fc/0x9c0
[  490.570676][ T8291]  br_dev_newlink+0x27/0x110
[  490.575271][ T8291]  ? br_changelink+0x1760/0x1760
[  490.580197][ T8291]  __rtnl_newlink+0x1173/0x1930
[  490.585044][ T8291]  ? rtnl_link_unregister+0x260/0x260
[  490.590441][ T8291]  rtnl_newlink+0x67/0xa0
[  490.594803][ T8291]  ? __rtnl_newlink+0x1930/0x1930
[  490.599828][ T8291]  rtnetlink_rcv_msg+0x3c7/0xe00
[  490.604758][ T8291]  ? rtnl_fill_vf+0x4a0/0x4a0
[  490.609425][ T8291]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  490.615484][ T8291]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  490.621474][ T8291]  netlink_rcv_skb+0x16b/0x440
[  490.626261][ T8291]  ? rtnl_fill_vf+0x4a0/0x4a0
[  490.630929][ T8291]  ? netlink_ack+0x1380/0x1380
[  490.635952][ T8291]  ? lock_sync+0x190/0x190
[  490.640386][ T8291]  ? netlink_deliver_tap+0x1a0/0xd00
[  490.645666][ T8291]  ? _copy_from_iter+0x2c1/0x10f0
[  490.650693][ T8291]  netlink_unicast+0x53b/0x810
[  490.655451][ T8291]  ? netlink_attachskb+0x880/0x880
[  490.660575][ T8291]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  490.666547][ T8291]  ? __phys_addr_symbol+0x30/0x70
[  490.671563][ T8291]  ? __check_object_size+0x323/0x730
[  490.676881][ T8291]  netlink_sendmsg+0x93c/0xe40
[  490.681674][ T8291]  ? netlink_unicast+0x810/0x810
[  490.686619][ T8291]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  490.691898][ T8291]  ? netlink_unicast+0x810/0x810
[  490.696835][ T8291]  __sock_sendmsg+0xd5/0x180
[  490.701735][ T8291]  ____sys_sendmsg+0x6ac/0x940
[  490.706490][ T8291]  ? copy_msghdr_from_user+0x10b/0x160
[  490.712120][ T8291]  ? kernel_sendmsg+0x50/0x50
[  490.716789][ T8291]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  490.722768][ T8291]  ___sys_sendmsg+0x135/0x1d0
[  490.727434][ T8291]  ? do_recvmmsg+0x740/0x740
[  490.732016][ T8291]  ? find_held_lock+0x2d/0x110
[  490.736777][ T8291]  ? preempt_count_sub+0x160/0x160
[  490.741906][ T8291]  ? __fget_light+0x1fc/0x260
[  490.746571][ T8291]  __sys_sendmsg+0x117/0x1e0
[  490.751155][ T8291]  ? __sys_sendmsg_sock+0x30/0x30
[  490.756179][ T8291]  ? syscall_enter_from_user_mode+0x7f/0x120
[  490.762170][ T8291]  do_syscall_64+0x40/0x110
[  490.766678][ T8291]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  490.772566][ T8291] RIP: 0033:0x7ff3fd6020b9
[  490.776968][ T8291] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  490.796561][ T8291] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  490.804960][ T8291] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  490.812918][ T8291] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  490.820878][ T8291] RBP: 00000000000777b2 R08: 0000000000000000 R09: 0000000000000006
[  490.828836][ T8291] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  490.836798][ T8291] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  490.844785][ T8291]  </TASK>
[  490.851028][ T8291] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  490.923442][ T8291] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  490.932829][ T8291] CPU: 0 PID: 8291 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  490.943261][ T8291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  490.953303][ T8291] Call Trace:
[  490.956572][ T8291]  <TASK>
[  490.959503][ T8291]  dump_stack_lvl+0x125/0x1b0
[  490.964180][ T8291]  sysfs_warn_dup+0x7f/0xa0
[  490.968676][ T8291]  sysfs_create_dir_ns+0x249/0x2b0
[  490.973807][ T8291]  ? sysfs_create_mount_point+0xb0/0xb0
[  490.979345][ T8291]  ? spin_bug+0x1d0/0x1d0
[  490.983688][ T8291]  ? net_namespace+0x12/0x40
[  490.988299][ T8291]  ? device_namespace+0x8d/0xc0
[  490.993171][ T8291]  kobject_add_internal+0x2c8/0x970
[  490.998386][ T8291]  kobject_add+0x16f/0x240
[  491.002803][ T8291]  ? kset_create_and_add+0x190/0x190
[  491.008083][ T8291]  ? do_raw_spin_unlock+0x173/0x230
[  491.013267][ T8291]  ? kobject_put+0xbe/0x440
[  491.017762][ T8291]  ? device_add+0xc35/0x1aa0
[  491.022519][ T8291]  device_add+0x289/0x1aa0
[  491.026952][ T8291]  ? device_initialize+0x510/0x510
[  491.032048][ T8291]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  491.038888][ T8291]  ? __init_waitqueue_head+0xca/0x150
[  491.044252][ T8291]  netdev_register_kobject+0x183/0x3f0
[  491.049713][ T8291]  register_netdevice+0xbe6/0x14b0
[  491.054825][ T8291]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  491.060728][ T8291]  ? validate_linkmsg+0x6fc/0x9c0
[  491.065765][ T8291]  br_dev_newlink+0x27/0x110
[  491.070365][ T8291]  ? br_changelink+0x1760/0x1760
[  491.075475][ T8291]  __rtnl_newlink+0x1173/0x1930
[  491.080322][ T8291]  ? rtnl_link_unregister+0x260/0x260
[  491.085696][ T8291]  rtnl_newlink+0x67/0xa0
[  491.090013][ T8291]  ? __rtnl_newlink+0x1930/0x1930
[  491.095027][ T8291]  rtnetlink_rcv_msg+0x3c7/0xe00
[  491.099959][ T8291]  ? rtnl_fill_vf+0x4a0/0x4a0
[  491.104654][ T8291]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  491.110624][ T8291]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  491.116622][ T8291]  netlink_rcv_skb+0x16b/0x440
[  491.121379][ T8291]  ? rtnl_fill_vf+0x4a0/0x4a0
[  491.126071][ T8291]  ? netlink_ack+0x1380/0x1380
[  491.130952][ T8291]  ? lock_sync+0x190/0x190
[  491.135382][ T8291]  ? netlink_deliver_tap+0x1a0/0xd00
[  491.140766][ T8291]  ? _copy_from_iter+0x2c1/0x10f0
[  491.145816][ T8291]  netlink_unicast+0x53b/0x810
[  491.150764][ T8291]  ? netlink_attachskb+0x880/0x880
[  491.155899][ T8291]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  491.161797][ T8291]  ? __phys_addr_symbol+0x30/0x70
[  491.166837][ T8291]  ? __check_object_size+0x323/0x730
[  491.172111][ T8291]  netlink_sendmsg+0x93c/0xe40
[  491.176895][ T8291]  ? netlink_unicast+0x810/0x810
[  491.181843][ T8291]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  491.187156][ T8291]  ? netlink_unicast+0x810/0x810
[  491.192084][ T8291]  __sock_sendmsg+0xd5/0x180
[  491.196663][ T8291]  ____sys_sendmsg+0x6ac/0x940
[  491.201416][ T8291]  ? copy_msghdr_from_user+0x10b/0x160
[  491.206866][ T8291]  ? kernel_sendmsg+0x50/0x50
[  491.211535][ T8291]  ___sys_sendmsg+0x135/0x1d0
[  491.216204][ T8291]  ? do_recvmmsg+0x740/0x740
[  491.220813][ T8291]  ? find_held_lock+0x2d/0x110
[  491.225574][ T8291]  ? preempt_count_sub+0x160/0x160
[  491.230687][ T8291]  ? __fget_light+0x1fc/0x260
[  491.235376][ T8291]  __sys_sendmsg+0x117/0x1e0
[  491.239962][ T8291]  ? __sys_sendmsg_sock+0x30/0x30
[  491.244984][ T8291]  ? syscall_enter_from_user_mode+0x7f/0x120
[  491.250961][ T8291]  do_syscall_64+0x40/0x110
[  491.255456][ T8291]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  491.261362][ T8291] RIP: 0033:0x7ff3fd6020b9
[  491.265763][ T8291] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  491.285356][ T8291] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  491.293756][ T8291] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  491.301712][ T8291] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  491.309683][ T8291] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  491.317655][ T8291] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  491.325611][ T8291] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  491.333582][ T8291]  </TASK>
[  491.336895][ T8291] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  491.398231][ T8292] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  491.409557][ T8292] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  491.418742][ T8292] CPU: 0 PID: 8292 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  491.429157][ T8292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  491.439215][ T8292] Call Trace:
[  491.442483][ T8292]  <TASK>
[  491.445402][ T8292]  dump_stack_lvl+0x125/0x1b0
[  491.450073][ T8292]  sysfs_warn_dup+0x7f/0xa0
[  491.454569][ T8292]  sysfs_create_dir_ns+0x249/0x2b0
[  491.459667][ T8292]  ? sysfs_create_mount_point+0xb0/0xb0
[  491.465202][ T8292]  ? spin_bug+0x1d0/0x1d0
[  491.469528][ T8292]  ? net_namespace+0x12/0x40
[  491.474112][ T8292]  ? device_namespace+0x8d/0xc0
[  491.478963][ T8292]  kobject_add_internal+0x2c8/0x970
[  491.484165][ T8292]  kobject_add+0x16f/0x240
[  491.488576][ T8292]  ? kset_create_and_add+0x190/0x190
[  491.493860][ T8292]  ? do_raw_spin_unlock+0x173/0x230
[  491.499051][ T8292]  ? kobject_put+0xbe/0x440
[  491.503553][ T8292]  ? device_add+0xc35/0x1aa0
[  491.508157][ T8292]  device_add+0x289/0x1aa0
[  491.512590][ T8292]  ? device_initialize+0x510/0x510
[  491.517692][ T8292]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  491.524537][ T8292]  ? __init_waitqueue_head+0xca/0x150
[  491.529912][ T8292]  netdev_register_kobject+0x183/0x3f0
[  491.535373][ T8292]  register_netdevice+0xbe6/0x14b0
[  491.540491][ T8292]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  491.546380][ T8292]  ? validate_linkmsg+0x6fc/0x9c0
[  491.551405][ T8292]  br_dev_newlink+0x27/0x110
[  491.555992][ T8292]  ? br_changelink+0x1760/0x1760
[  491.560937][ T8292]  __rtnl_newlink+0x1173/0x1930
[  491.565799][ T8292]  ? rtnl_link_unregister+0x260/0x260
[  491.571185][ T8292]  rtnl_newlink+0x67/0xa0
[  491.576291][ T8292]  ? __rtnl_newlink+0x1930/0x1930
[  491.581309][ T8292]  rtnetlink_rcv_msg+0x3c7/0xe00
[  491.586242][ T8292]  ? rtnl_fill_vf+0x4a0/0x4a0
[  491.590918][ T8292]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  491.596899][ T8292]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  491.602906][ T8292]  netlink_rcv_skb+0x16b/0x440
[  491.607687][ T8292]  ? rtnl_fill_vf+0x4a0/0x4a0
[  491.612387][ T8292]  ? netlink_ack+0x1380/0x1380
[  491.617174][ T8292]  ? lock_sync+0x190/0x190
[  491.621702][ T8292]  ? netlink_deliver_tap+0x1a0/0xd00
[  491.626998][ T8292]  ? _copy_from_iter+0x2c1/0x10f0
[  491.632052][ T8292]  netlink_unicast+0x53b/0x810
[  491.636848][ T8292]  ? netlink_attachskb+0x880/0x880
[  491.641957][ T8292]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  491.647855][ T8292]  ? __phys_addr_symbol+0x30/0x70
[  491.652876][ T8292]  ? __check_object_size+0x323/0x730
[  491.658160][ T8292]  netlink_sendmsg+0x93c/0xe40
[  491.662949][ T8292]  ? netlink_unicast+0x810/0x810
[  491.667894][ T8292]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  491.673193][ T8292]  ? netlink_unicast+0x810/0x810
[  491.678129][ T8292]  __sock_sendmsg+0xd5/0x180
[  491.682716][ T8292]  ____sys_sendmsg+0x6ac/0x940
[  491.687475][ T8292]  ? copy_msghdr_from_user+0x10b/0x160
[  491.692933][ T8292]  ? kernel_sendmsg+0x50/0x50
[  491.697614][ T8292]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  491.703598][ T8292]  ___sys_sendmsg+0x135/0x1d0
[  491.708275][ T8292]  ? do_recvmmsg+0x740/0x740
[  491.712882][ T8292]  ? find_held_lock+0x2d/0x110
[  491.717673][ T8292]  ? preempt_count_sub+0x160/0x160
[  491.722789][ T8292]  ? __fget_light+0x1fc/0x260
[  491.727463][ T8292]  __sys_sendmsg+0x117/0x1e0
[  491.732053][ T8292]  ? __sys_sendmsg_sock+0x30/0x30
[  491.737088][ T8292]  ? syscall_enter_from_user_mode+0x7f/0x120
[  491.744026][ T8292]  do_syscall_64+0x40/0x110
[  491.748534][ T8292]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  491.754430][ T8292] RIP: 0033:0x7ff3fd6020b9
[  491.758846][ T8292] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  491.778538][ T8292] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  491.786972][ T8292] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  491.794948][ T8292] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  491.803099][ T8292] RBP: 0000000000077b9a R08: 0000000000000000 R09: 0000000000000006
[  491.811062][ T8292] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  491.819027][ T8292] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  491.827008][ T8292]  </TASK>
[  491.831303][ T8292] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  491.883114][ T8292] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  491.892301][ T8292] CPU: 0 PID: 8292 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  491.902712][ T8292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  491.912752][ T8292] Call Trace:
[  491.916019][ T8292]  <TASK>
[  491.918940][ T8292]  dump_stack_lvl+0x125/0x1b0
[  491.923607][ T8292]  sysfs_warn_dup+0x7f/0xa0
[  491.928102][ T8292]  sysfs_create_dir_ns+0x249/0x2b0
[  491.933200][ T8292]  ? sysfs_create_mount_point+0xb0/0xb0
[  491.938734][ T8292]  ? spin_bug+0x1d0/0x1d0
[  491.943050][ T8292]  ? net_namespace+0x12/0x40
[  491.947629][ T8292]  ? device_namespace+0x8d/0xc0
[  491.952477][ T8292]  kobject_add_internal+0x2c8/0x970
[  491.957677][ T8292]  kobject_add+0x16f/0x240
[  491.962090][ T8292]  ? kset_create_and_add+0x190/0x190
[  491.967474][ T8292]  ? do_raw_spin_unlock+0x173/0x230
[  491.972671][ T8292]  ? kobject_put+0xbe/0x440
[  491.977174][ T8292]  ? device_add+0xc35/0x1aa0
[  491.981763][ T8292]  device_add+0x289/0x1aa0
[  491.986435][ T8292]  ? device_initialize+0x510/0x510
[  491.991553][ T8292]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  491.998397][ T8292]  ? __init_waitqueue_head+0xca/0x150
[  492.003767][ T8292]  netdev_register_kobject+0x183/0x3f0
[  492.009229][ T8292]  register_netdevice+0xbe6/0x14b0
[  492.014428][ T8292]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  492.020320][ T8292]  ? validate_linkmsg+0x6fc/0x9c0
[  492.025346][ T8292]  br_dev_newlink+0x27/0x110
[  492.029934][ T8292]  ? br_changelink+0x1760/0x1760
[  492.034874][ T8292]  __rtnl_newlink+0x1173/0x1930
[  492.039727][ T8292]  ? rtnl_link_unregister+0x260/0x260
[  492.045111][ T8292]  rtnl_newlink+0x67/0xa0
[  492.049438][ T8292]  ? __rtnl_newlink+0x1930/0x1930
[  492.054462][ T8292]  rtnetlink_rcv_msg+0x3c7/0xe00
[  492.059399][ T8292]  ? rtnl_fill_vf+0x4a0/0x4a0
[  492.064079][ T8292]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  492.070060][ T8292]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  492.076048][ T8292]  netlink_rcv_skb+0x16b/0x440
[  492.080815][ T8292]  ? rtnl_fill_vf+0x4a0/0x4a0
[  492.085490][ T8292]  ? netlink_ack+0x1380/0x1380
[  492.090251][ T8292]  ? lock_sync+0x190/0x190
[  492.094676][ T8292]  ? netlink_deliver_tap+0x1a0/0xd00
[  492.099960][ T8292]  ? _copy_from_iter+0x2c1/0x10f0
[  492.104989][ T8292]  netlink_unicast+0x53b/0x810
[  492.109754][ T8292]  ? netlink_attachskb+0x880/0x880
[  492.114864][ T8292]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  492.120751][ T8292]  ? __phys_addr_symbol+0x30/0x70
[  492.125769][ T8292]  ? __check_object_size+0x323/0x730
[  492.131050][ T8292]  netlink_sendmsg+0x93c/0xe40
[  492.135840][ T8292]  ? netlink_unicast+0x810/0x810
[  492.140780][ T8292]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  492.146058][ T8292]  ? netlink_unicast+0x810/0x810
[  492.150992][ T8292]  __sock_sendmsg+0xd5/0x180
[  492.155579][ T8292]  ____sys_sendmsg+0x6ac/0x940
[  492.160333][ T8292]  ? copy_msghdr_from_user+0x10b/0x160
[  492.165787][ T8292]  ? kernel_sendmsg+0x50/0x50
[  492.170470][ T8292]  ___sys_sendmsg+0x135/0x1d0
[  492.175143][ T8292]  ? do_recvmmsg+0x740/0x740
[  492.179725][ T8292]  ? find_held_lock+0x2d/0x110
[  492.184492][ T8292]  ? preempt_count_sub+0x160/0x160
[  492.189605][ T8292]  ? __fget_light+0x1fc/0x260
[  492.194274][ T8292]  __sys_sendmsg+0x117/0x1e0
[  492.198859][ T8292]  ? __sys_sendmsg_sock+0x30/0x30
[  492.203886][ T8292]  ? syscall_enter_from_user_mode+0x7f/0x120
[  492.209866][ T8292]  do_syscall_64+0x40/0x110
[  492.214366][ T8292]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  492.220258][ T8292] RIP: 0033:0x7ff3fd6020b9
[  492.224680][ T8292] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  492.244300][ T8292] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  492.252710][ T8292] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  492.260692][ T8292] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  492.268655][ T8292] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  492.276618][ T8292] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  492.284598][ T8292] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  492.292576][ T8292]  </TASK>
[  492.296411][ T8292] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  492.366884][ T8293] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  492.377052][ T8293] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  492.386239][ T8293] CPU: 1 PID: 8293 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  492.396654][ T8293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  492.406692][ T8293] Call Trace:
[  492.409958][ T8293]  <TASK>
[  492.412882][ T8293]  dump_stack_lvl+0x125/0x1b0
[  492.417569][ T8293]  sysfs_warn_dup+0x7f/0xa0
[  492.422063][ T8293]  sysfs_create_dir_ns+0x249/0x2b0
[  492.427159][ T8293]  ? sysfs_create_mount_point+0xb0/0xb0
[  492.432689][ T8293]  ? spin_bug+0x1d0/0x1d0
[  492.437003][ T8293]  ? net_namespace+0x12/0x40
[  492.441578][ T8293]  ? device_namespace+0x8d/0xc0
[  492.446431][ T8293]  kobject_add_internal+0x2c8/0x970
[  492.451640][ T8293]  kobject_add+0x16f/0x240
[  492.456045][ T8293]  ? kset_create_and_add+0x190/0x190
[  492.461317][ T8293]  ? do_raw_spin_unlock+0x173/0x230
[  492.466504][ T8293]  ? kobject_put+0xbe/0x440
[  492.470992][ T8293]  ? device_add+0xc35/0x1aa0
[  492.475569][ T8293]  device_add+0x289/0x1aa0
[  492.479972][ T8293]  ? device_initialize+0x510/0x510
[  492.485068][ T8293]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  492.491913][ T8293]  ? __init_waitqueue_head+0xca/0x150
[  492.497276][ T8293]  netdev_register_kobject+0x183/0x3f0
[  492.502726][ T8293]  register_netdevice+0xbe6/0x14b0
[  492.507829][ T8293]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  492.513710][ T8293]  ? validate_linkmsg+0x6fc/0x9c0
[  492.518718][ T8293]  br_dev_newlink+0x27/0x110
[  492.523294][ T8293]  ? br_changelink+0x1760/0x1760
[  492.528215][ T8293]  __rtnl_newlink+0x1173/0x1930
[  492.533061][ T8293]  ? rtnl_link_unregister+0x260/0x260
[  492.538460][ T8293]  rtnl_newlink+0x67/0xa0
[  492.542799][ T8293]  ? __rtnl_newlink+0x1930/0x1930
[  492.547810][ T8293]  rtnetlink_rcv_msg+0x3c7/0xe00
[  492.552740][ T8293]  ? rtnl_fill_vf+0x4a0/0x4a0
[  492.557408][ T8293]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  492.563380][ T8293]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  492.569359][ T8293]  netlink_rcv_skb+0x16b/0x440
[  492.574115][ T8293]  ? rtnl_fill_vf+0x4a0/0x4a0
[  492.578785][ T8293]  ? netlink_ack+0x1380/0x1380
[  492.583539][ T8293]  ? lock_sync+0x190/0x190
[  492.587956][ T8293]  ? netlink_deliver_tap+0x1a0/0xd00
[  492.593229][ T8293]  ? _copy_from_iter+0x2c1/0x10f0
[  492.598245][ T8293]  netlink_unicast+0x53b/0x810
[  492.603004][ T8293]  ? netlink_attachskb+0x880/0x880
[  492.608105][ T8293]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  492.613990][ T8293]  ? __phys_addr_symbol+0x30/0x70
[  492.619030][ T8293]  ? __check_object_size+0x323/0x730
[  492.624302][ T8293]  netlink_sendmsg+0x93c/0xe40
[  492.629057][ T8293]  ? netlink_unicast+0x810/0x810
[  492.633991][ T8293]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  492.639295][ T8293]  ? netlink_unicast+0x810/0x810
[  492.644221][ T8293]  __sock_sendmsg+0xd5/0x180
[  492.648798][ T8293]  ____sys_sendmsg+0x6ac/0x940
[  492.653549][ T8293]  ? copy_msghdr_from_user+0x10b/0x160
[  492.658994][ T8293]  ? kernel_sendmsg+0x50/0x50
[  492.663677][ T8293]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  492.669681][ T8293]  ___sys_sendmsg+0x135/0x1d0
[  492.674366][ T8293]  ? do_recvmmsg+0x740/0x740
[  492.678946][ T8293]  ? find_held_lock+0x2d/0x110
[  492.683708][ T8293]  ? preempt_count_sub+0x160/0x160
[  492.688813][ T8293]  ? __fget_light+0x1fc/0x260
[  492.693479][ T8293]  __sys_sendmsg+0x117/0x1e0
[  492.698059][ T8293]  ? __sys_sendmsg_sock+0x30/0x30
[  492.703078][ T8293]  ? syscall_enter_from_user_mode+0x7f/0x120
[  492.709051][ T8293]  do_syscall_64+0x40/0x110
[  492.713548][ T8293]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  492.719430][ T8293] RIP: 0033:0x7ff3fd6020b9
[  492.723832][ T8293] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  492.743429][ T8293] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  492.751825][ T8293] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  492.759779][ T8293] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  492.767768][ T8293] RBP: 0000000000077f6f R08: 0000000000000000 R09: 0000000000000006
[  492.775734][ T8293] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  492.783698][ T8293] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  492.791670][ T8293]  </TASK>
[  492.796792][ T8293] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  492.894322][ T8293] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  492.903711][ T8293] CPU: 0 PID: 8293 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  492.914133][ T8293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  492.924258][ T8293] Call Trace:
[  492.927542][ T8293]  <TASK>
[  492.930466][ T8293]  dump_stack_lvl+0x125/0x1b0
[  492.935127][ T8293]  sysfs_warn_dup+0x7f/0xa0
[  492.939613][ T8293]  sysfs_create_dir_ns+0x249/0x2b0
[  492.944714][ T8293]  ? sysfs_create_mount_point+0xb0/0xb0
[  492.950273][ T8293]  ? spin_bug+0x1d0/0x1d0
[  492.954599][ T8293]  ? net_namespace+0x12/0x40
[  492.959180][ T8293]  ? device_namespace+0x8d/0xc0
[  492.964045][ T8293]  kobject_add_internal+0x2c8/0x970
[  492.969235][ T8293]  kobject_add+0x16f/0x240
[  492.973640][ T8293]  ? kset_create_and_add+0x190/0x190
[  492.978932][ T8293]  ? do_raw_spin_unlock+0x173/0x230
[  492.984111][ T8293]  ? kobject_put+0xbe/0x440
[  492.988601][ T8293]  ? device_add+0xc35/0x1aa0
[  492.993359][ T8293]  device_add+0x289/0x1aa0
[  492.997760][ T8293]  ? device_initialize+0x510/0x510
[  493.002853][ T8293]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  493.009688][ T8293]  ? __init_waitqueue_head+0xca/0x150
[  493.015051][ T8293]  netdev_register_kobject+0x183/0x3f0
[  493.020578][ T8293]  register_netdevice+0xbe6/0x14b0
[  493.025706][ T8293]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  493.031674][ T8293]  ? validate_linkmsg+0x6fc/0x9c0
[  493.036683][ T8293]  br_dev_newlink+0x27/0x110
[  493.041261][ T8293]  ? br_changelink+0x1760/0x1760
[  493.046201][ T8293]  __rtnl_newlink+0x1173/0x1930
[  493.051049][ T8293]  ? rtnl_link_unregister+0x260/0x260
[  493.056416][ T8293]  rtnl_newlink+0x67/0xa0
[  493.060729][ T8293]  ? __rtnl_newlink+0x1930/0x1930
[  493.065737][ T8293]  rtnetlink_rcv_msg+0x3c7/0xe00
[  493.070666][ T8293]  ? rtnl_fill_vf+0x4a0/0x4a0
[  493.075345][ T8293]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  493.081312][ T8293]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  493.087285][ T8293]  netlink_rcv_skb+0x16b/0x440
[  493.092038][ T8293]  ? rtnl_fill_vf+0x4a0/0x4a0
[  493.096899][ T8293]  ? netlink_ack+0x1380/0x1380
[  493.101669][ T8293]  ? lock_sync+0x190/0x190
[  493.106083][ T8293]  ? netlink_deliver_tap+0x1a0/0xd00
[  493.111357][ T8293]  ? _copy_from_iter+0x2c1/0x10f0
[  493.116394][ T8293]  netlink_unicast+0x53b/0x810
[  493.121162][ T8293]  ? netlink_attachskb+0x880/0x880
[  493.126284][ T8293]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  493.132165][ T8293]  ? __phys_addr_symbol+0x30/0x70
[  493.137173][ T8293]  ? __check_object_size+0x323/0x730
[  493.142441][ T8293]  netlink_sendmsg+0x93c/0xe40
[  493.147194][ T8293]  ? netlink_unicast+0x810/0x810
[  493.152114][ T8293]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  493.157377][ T8293]  ? netlink_unicast+0x810/0x810
[  493.162299][ T8293]  __sock_sendmsg+0xd5/0x180
[  493.166872][ T8293]  ____sys_sendmsg+0x6ac/0x940
[  493.171642][ T8293]  ? copy_msghdr_from_user+0x10b/0x160
[  493.177892][ T8293]  ? kernel_sendmsg+0x50/0x50
[  493.182557][ T8293]  ? hlock_class+0x4e/0x130
[  493.187051][ T8293]  ? __lock_acquire+0x14e0/0x3b10
[  493.192166][ T8293]  ___sys_sendmsg+0x135/0x1d0
[  493.196952][ T8293]  ? do_recvmmsg+0x740/0x740
[  493.201551][ T8293]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  493.207527][ T8293]  ? find_held_lock+0x2d/0x110
[  493.212290][ T8293]  ? __fget_light+0x1fc/0x260
[  493.216954][ T8293]  __sys_sendmsg+0x117/0x1e0
[  493.222242][ T8293]  ? __sys_sendmsg_sock+0x30/0x30
[  493.227268][ T8293]  ? __do_sys_rseq+0x750/0x750
[  493.232024][ T8293]  ? syscall_enter_from_user_mode+0x7f/0x120
[  493.237993][ T8293]  do_syscall_64+0x40/0x110
[  493.242829][ T8293]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  493.248757][ T8293] RIP: 0033:0x7ff3fd6020b9
[  493.253173][ T8293] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  493.272866][ T8293] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  493.281262][ T8293] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  493.289212][ T8293] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  493.297165][ T8293] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  493.305123][ T8293] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  493.313074][ T8293] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  493.321065][ T8293]  </TASK>
[  493.324402][ T8293] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.367479][ T8294] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  493.377658][ T8294] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  493.386832][ T8294] CPU: 0 PID: 8294 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  493.397275][ T8294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  493.407333][ T8294] Call Trace:
[  493.410608][ T8294]  <TASK>
[  493.413532][ T8294]  dump_stack_lvl+0x125/0x1b0
[  493.418202][ T8294]  sysfs_warn_dup+0x7f/0xa0
[  493.422708][ T8294]  sysfs_create_dir_ns+0x249/0x2b0
[  493.427946][ T8294]  ? sysfs_create_mount_point+0xb0/0xb0
[  493.433483][ T8294]  ? spin_bug+0x1d0/0x1d0
[  493.437800][ T8294]  ? net_namespace+0x12/0x40
[  493.442378][ T8294]  ? device_namespace+0x8d/0xc0
[  493.447223][ T8294]  kobject_add_internal+0x2c8/0x970
[  493.452414][ T8294]  kobject_add+0x16f/0x240
[  493.456845][ T8294]  ? kset_create_and_add+0x190/0x190
[  493.462130][ T8294]  ? do_raw_spin_unlock+0x173/0x230
[  493.467350][ T8294]  ? kobject_put+0xbe/0x440
[  493.471877][ T8294]  ? device_add+0xc35/0x1aa0
[  493.476457][ T8294]  device_add+0x289/0x1aa0
[  493.480865][ T8294]  ? device_initialize+0x510/0x510
[  493.485965][ T8294]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  493.492976][ T8294]  ? __init_waitqueue_head+0xca/0x150
[  493.498338][ T8294]  netdev_register_kobject+0x183/0x3f0
[  493.503790][ T8294]  register_netdevice+0xbe6/0x14b0
[  493.508893][ T8294]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  493.514775][ T8294]  ? validate_linkmsg+0x6fc/0x9c0
[  493.519797][ T8294]  br_dev_newlink+0x27/0x110
[  493.524380][ T8294]  ? br_changelink+0x1760/0x1760
[  493.529305][ T8294]  __rtnl_newlink+0x1173/0x1930
[  493.534168][ T8294]  ? rtnl_link_unregister+0x260/0x260
[  493.539579][ T8294]  rtnl_newlink+0x67/0xa0
[  493.543899][ T8294]  ? __rtnl_newlink+0x1930/0x1930
[  493.548909][ T8294]  rtnetlink_rcv_msg+0x3c7/0xe00
[  493.553836][ T8294]  ? rtnl_fill_vf+0x4a0/0x4a0
[  493.558524][ T8294]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  493.564525][ T8294]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  493.570503][ T8294]  netlink_rcv_skb+0x16b/0x440
[  493.575270][ T8294]  ? rtnl_fill_vf+0x4a0/0x4a0
[  493.579939][ T8294]  ? netlink_ack+0x1380/0x1380
[  493.584781][ T8294]  ? lock_sync+0x190/0x190
[  493.589195][ T8294]  ? netlink_deliver_tap+0x1a0/0xd00
[  493.595791][ T8294]  ? _copy_from_iter+0x2c1/0x10f0
[  493.600820][ T8294]  netlink_unicast+0x53b/0x810
[  493.605583][ T8294]  ? netlink_attachskb+0x880/0x880
[  493.610690][ T8294]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  493.616596][ T8294]  ? __phys_addr_symbol+0x30/0x70
[  493.621609][ T8294]  ? __check_object_size+0x323/0x730
[  493.626884][ T8294]  netlink_sendmsg+0x93c/0xe40
[  493.631642][ T8294]  ? netlink_unicast+0x810/0x810
[  493.636576][ T8294]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  493.641877][ T8294]  ? netlink_unicast+0x810/0x810
[  493.646843][ T8294]  __sock_sendmsg+0xd5/0x180
[  493.651423][ T8294]  ____sys_sendmsg+0x6ac/0x940
[  493.656177][ T8294]  ? copy_msghdr_from_user+0x10b/0x160
[  493.661627][ T8294]  ? kernel_sendmsg+0x50/0x50
[  493.666310][ T8294]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  493.672316][ T8294]  ___sys_sendmsg+0x135/0x1d0
[  493.676983][ T8294]  ? do_recvmmsg+0x740/0x740
[  493.681568][ T8294]  ? find_held_lock+0x2d/0x110
[  493.686344][ T8294]  ? preempt_count_sub+0x160/0x160
[  493.691483][ T8294]  ? __fget_light+0x1fc/0x260
[  493.696151][ T8294]  __sys_sendmsg+0x117/0x1e0
[  493.700731][ T8294]  ? __sys_sendmsg_sock+0x30/0x30
[  493.705760][ T8294]  ? xfd_validate_state+0x5d/0x180
[  493.710882][ T8294]  ? syscall_enter_from_user_mode+0x7f/0x120
[  493.716872][ T8294]  do_syscall_64+0x40/0x110
[  493.721364][ T8294]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  493.727249][ T8294] RIP: 0033:0x7ff3fd6020b9
[  493.731650][ T8294] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  493.751239][ T8294] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  493.759641][ T8294] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  493.767627][ T8294] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  493.775586][ T8294] RBP: 0000000000078338 R08: 0000000000000000 R09: 0000000000000006
[  493.783543][ T8294] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  493.791514][ T8294] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  493.799502][ T8294]  </TASK>
[  493.803919][ T8294] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  493.853278][ T8294] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  493.862516][ T8294] CPU: 0 PID: 8294 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  493.872943][ T8294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  493.882983][ T8294] Call Trace:
[  493.886257][ T8294]  <TASK>
[  493.889169][ T8294]  dump_stack_lvl+0x125/0x1b0
[  493.893839][ T8294]  sysfs_warn_dup+0x7f/0xa0
[  493.898329][ T8294]  sysfs_create_dir_ns+0x249/0x2b0
[  493.903423][ T8294]  ? sysfs_create_mount_point+0xb0/0xb0
[  493.908953][ T8294]  ? spin_bug+0x1d0/0x1d0
[  493.913269][ T8294]  ? net_namespace+0x12/0x40
[  493.917843][ T8294]  ? device_namespace+0x8d/0xc0
[  493.922772][ T8294]  kobject_add_internal+0x2c8/0x970
[  493.927955][ T8294]  kobject_add+0x16f/0x240
[  493.932357][ T8294]  ? kset_create_and_add+0x190/0x190
[  493.937627][ T8294]  ? do_raw_spin_unlock+0x173/0x230
[  493.942804][ T8294]  ? kobject_put+0xbe/0x440
[  493.947289][ T8294]  ? device_add+0xc35/0x1aa0
[  493.951862][ T8294]  device_add+0x289/0x1aa0
[  493.956260][ T8294]  ? device_initialize+0x510/0x510
[  493.961357][ T8294]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  493.968203][ T8294]  ? __init_waitqueue_head+0xca/0x150
[  493.973578][ T8294]  netdev_register_kobject+0x183/0x3f0
[  493.979037][ T8294]  register_netdevice+0xbe6/0x14b0
[  493.984154][ T8294]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  493.990042][ T8294]  ? validate_linkmsg+0x6fc/0x9c0
[  493.995073][ T8294]  br_dev_newlink+0x27/0x110
[  493.999657][ T8294]  ? br_changelink+0x1760/0x1760
[  494.004588][ T8294]  __rtnl_newlink+0x1173/0x1930
[  494.009444][ T8294]  ? rtnl_link_unregister+0x260/0x260
[  494.014831][ T8294]  rtnl_newlink+0x67/0xa0
[  494.019175][ T8294]  ? __rtnl_newlink+0x1930/0x1930
[  494.024197][ T8294]  rtnetlink_rcv_msg+0x3c7/0xe00
[  494.029155][ T8294]  ? rtnl_fill_vf+0x4a0/0x4a0
[  494.033845][ T8294]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  494.039827][ T8294]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  494.045810][ T8294]  netlink_rcv_skb+0x16b/0x440
[  494.050572][ T8294]  ? rtnl_fill_vf+0x4a0/0x4a0
[  494.055243][ T8294]  ? netlink_ack+0x1380/0x1380
[  494.060003][ T8294]  ? lock_sync+0x190/0x190
[  494.064442][ T8294]  ? netlink_deliver_tap+0x1a0/0xd00
[  494.069723][ T8294]  ? _copy_from_iter+0x2c1/0x10f0
[  494.074748][ T8294]  netlink_unicast+0x53b/0x810
[  494.079514][ T8294]  ? netlink_attachskb+0x880/0x880
[  494.084636][ T8294]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  494.090527][ T8294]  ? __phys_addr_symbol+0x30/0x70
[  494.095544][ T8294]  ? __check_object_size+0x323/0x730
[  494.100825][ T8294]  netlink_sendmsg+0x93c/0xe40
[  494.105590][ T8294]  ? netlink_unicast+0x810/0x810
[  494.110537][ T8294]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  494.115819][ T8294]  ? netlink_unicast+0x810/0x810
[  494.120770][ T8294]  __sock_sendmsg+0xd5/0x180
[  494.125353][ T8294]  ____sys_sendmsg+0x6ac/0x940
[  494.130125][ T8294]  ? copy_msghdr_from_user+0x10b/0x160
[  494.135584][ T8294]  ? kernel_sendmsg+0x50/0x50
[  494.140264][ T8294]  ___sys_sendmsg+0x135/0x1d0
[  494.144956][ T8294]  ? do_recvmmsg+0x740/0x740
[  494.149547][ T8294]  ? find_held_lock+0x2d/0x110
[  494.154343][ T8294]  ? preempt_count_sub+0x160/0x160
[  494.159531][ T8294]  ? __fget_light+0x1fc/0x260
[  494.164228][ T8294]  __sys_sendmsg+0x117/0x1e0
[  494.168827][ T8294]  ? __sys_sendmsg_sock+0x30/0x30
[  494.173866][ T8294]  ? syscall_enter_from_user_mode+0x7f/0x120
[  494.179849][ T8294]  do_syscall_64+0x40/0x110
[  494.184358][ T8294]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  494.190256][ T8294] RIP: 0033:0x7ff3fd6020b9
[  494.194687][ T8294] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  494.214296][ T8294] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  494.222966][ T8294] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  494.230929][ T8294] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  494.238889][ T8294] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  494.246848][ T8294] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  494.254807][ T8294] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  494.262777][ T8294]  </TASK>
[  494.266157][ T8294] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  494.318147][ T8295] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  494.328249][ T8295] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  494.337432][ T8295] CPU: 0 PID: 8295 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  494.347961][ T8295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  494.358012][ T8295] Call Trace:
[  494.361290][ T8295]  <TASK>
[  494.364215][ T8295]  dump_stack_lvl+0x125/0x1b0
[  494.368895][ T8295]  sysfs_warn_dup+0x7f/0xa0
[  494.373394][ T8295]  sysfs_create_dir_ns+0x249/0x2b0
[  494.378504][ T8295]  ? sysfs_create_mount_point+0xb0/0xb0
[  494.384044][ T8295]  ? spin_bug+0x1d0/0x1d0
[  494.388368][ T8295]  ? net_namespace+0x12/0x40
[  494.392952][ T8295]  ? device_namespace+0x8d/0xc0
[  494.397813][ T8295]  kobject_add_internal+0x2c8/0x970
[  494.403023][ T8295]  kobject_add+0x16f/0x240
[  494.407466][ T8295]  ? kset_create_and_add+0x190/0x190
[  494.412764][ T8295]  ? do_raw_spin_unlock+0x173/0x230
[  494.417954][ T8295]  ? kobject_put+0xbe/0x440
[  494.422454][ T8295]  ? device_add+0xc35/0x1aa0
[  494.427040][ T8295]  device_add+0x289/0x1aa0
[  494.431454][ T8295]  ? device_initialize+0x510/0x510
[  494.436557][ T8295]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  494.443403][ T8295]  ? __init_waitqueue_head+0xca/0x150
[  494.448780][ T8295]  netdev_register_kobject+0x183/0x3f0
[  494.454245][ T8295]  register_netdevice+0xbe6/0x14b0
[  494.459358][ T8295]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  494.465251][ T8295]  ? validate_linkmsg+0x6fc/0x9c0
[  494.470278][ T8295]  br_dev_newlink+0x27/0x110
[  494.474867][ T8295]  ? br_changelink+0x1760/0x1760
[  494.479800][ T8295]  __rtnl_newlink+0x1173/0x1930
[  494.484660][ T8295]  ? rtnl_link_unregister+0x260/0x260
[  494.490048][ T8295]  rtnl_newlink+0x67/0xa0
[  494.494381][ T8295]  ? __rtnl_newlink+0x1930/0x1930
[  494.499405][ T8295]  rtnetlink_rcv_msg+0x3c7/0xe00
[  494.504345][ T8295]  ? rtnl_fill_vf+0x4a0/0x4a0
[  494.509025][ T8295]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  494.515012][ T8295]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  494.521029][ T8295]  netlink_rcv_skb+0x16b/0x440
[  494.525810][ T8295]  ? rtnl_fill_vf+0x4a0/0x4a0
[  494.530484][ T8295]  ? netlink_ack+0x1380/0x1380
[  494.535270][ T8295]  ? lock_sync+0x190/0x190
[  494.539691][ T8295]  ? netlink_deliver_tap+0x1a0/0xd00
[  494.544975][ T8295]  ? _copy_from_iter+0x2c1/0x10f0
[  494.550001][ T8295]  netlink_unicast+0x53b/0x810
[  494.554774][ T8295]  ? netlink_attachskb+0x880/0x880
[  494.559879][ T8295]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  494.566032][ T8295]  ? __phys_addr_symbol+0x30/0x70
[  494.571053][ T8295]  ? __check_object_size+0x323/0x730
[  494.576334][ T8295]  netlink_sendmsg+0x93c/0xe40
[  494.581100][ T8295]  ? netlink_unicast+0x810/0x810
[  494.586040][ T8295]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  494.591344][ T8295]  ? netlink_unicast+0x810/0x810
[  494.596278][ T8295]  __sock_sendmsg+0xd5/0x180
[  494.600866][ T8295]  ____sys_sendmsg+0x6ac/0x940
[  494.605623][ T8295]  ? copy_msghdr_from_user+0x10b/0x160
[  494.611077][ T8295]  ? kernel_sendmsg+0x50/0x50
[  494.615755][ T8295]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  494.621737][ T8295]  ___sys_sendmsg+0x135/0x1d0
[  494.626408][ T8295]  ? do_recvmmsg+0x740/0x740
[  494.631004][ T8295]  ? find_held_lock+0x2d/0x110
[  494.637773][ T8295]  ? preempt_count_sub+0x160/0x160
[  494.642884][ T8295]  ? __fget_light+0x1fc/0x260
[  494.647557][ T8295]  __sys_sendmsg+0x117/0x1e0
[  494.652147][ T8295]  ? __sys_sendmsg_sock+0x30/0x30
[  494.657165][ T8295]  ? xfd_validate_state+0x5d/0x180
[  494.662285][ T8295]  ? syscall_enter_from_user_mode+0x7f/0x120
[  494.668268][ T8295]  do_syscall_64+0x40/0x110
[  494.672765][ T8295]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  494.678658][ T8295] RIP: 0033:0x7ff3fd6020b9
[  494.683063][ T8295] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  494.702748][ T8295] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  494.711150][ T8295] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  494.719111][ T8295] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  494.727073][ T8295] RBP: 0000000000078721 R08: 0000000000000000 R09: 0000000000000006
[  494.735038][ T8295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  494.742999][ T8295] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  494.750973][ T8295]  </TASK>
[  494.755270][ T8295] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  494.824329][ T8295] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  494.833537][ T8295] CPU: 0 PID: 8295 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  494.843958][ T8295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  494.854005][ T8295] Call Trace:
[  494.857272][ T8295]  <TASK>
[  494.860210][ T8295]  dump_stack_lvl+0x125/0x1b0
[  494.864914][ T8295]  sysfs_warn_dup+0x7f/0xa0
[  494.869403][ T8295]  sysfs_create_dir_ns+0x249/0x2b0
[  494.874506][ T8295]  ? sysfs_create_mount_point+0xb0/0xb0
[  494.880038][ T8295]  ? spin_bug+0x1d0/0x1d0
[  494.884356][ T8295]  ? net_namespace+0x12/0x40
[  494.889119][ T8295]  ? device_namespace+0x8d/0xc0
[  494.893970][ T8295]  kobject_add_internal+0x2c8/0x970
[  494.899161][ T8295]  kobject_add+0x16f/0x240
[  494.903570][ T8295]  ? kset_create_and_add+0x190/0x190
[  494.908842][ T8295]  ? do_raw_spin_unlock+0x173/0x230
[  494.914027][ T8295]  ? kobject_put+0xbe/0x440
[  494.918521][ T8295]  ? device_add+0xc35/0x1aa0
[  494.923103][ T8295]  device_add+0x289/0x1aa0
[  494.927527][ T8295]  ? device_initialize+0x510/0x510
[  494.932621][ T8295]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  494.939466][ T8295]  ? __init_waitqueue_head+0xca/0x150
[  494.944844][ T8295]  netdev_register_kobject+0x183/0x3f0
[  494.950297][ T8295]  register_netdevice+0xbe6/0x14b0
[  494.955400][ T8295]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  494.961298][ T8295]  ? validate_linkmsg+0x6fc/0x9c0
[  494.966309][ T8295]  br_dev_newlink+0x27/0x110
[  494.970888][ T8295]  ? br_changelink+0x1760/0x1760
[  494.975816][ T8295]  __rtnl_newlink+0x1173/0x1930
[  494.980676][ T8295]  ? rtnl_link_unregister+0x260/0x260
[  494.986065][ T8295]  rtnl_newlink+0x67/0xa0
[  494.990383][ T8295]  ? __rtnl_newlink+0x1930/0x1930
[  494.995413][ T8295]  rtnetlink_rcv_msg+0x3c7/0xe00
[  495.000343][ T8295]  ? rtnl_fill_vf+0x4a0/0x4a0
[  495.005008][ T8295]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  495.010979][ T8295]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  495.016971][ T8295]  netlink_rcv_skb+0x16b/0x440
[  495.021730][ T8295]  ? rtnl_fill_vf+0x4a0/0x4a0
[  495.026392][ T8295]  ? netlink_ack+0x1380/0x1380
[  495.031143][ T8295]  ? lock_sync+0x190/0x190
[  495.035556][ T8295]  ? netlink_deliver_tap+0x1a0/0xd00
[  495.040862][ T8295]  ? _copy_from_iter+0x2c1/0x10f0
[  495.045906][ T8295]  netlink_unicast+0x53b/0x810
[  495.050674][ T8295]  ? netlink_attachskb+0x880/0x880
[  495.055803][ T8295]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  495.061686][ T8295]  ? __phys_addr_symbol+0x30/0x70
[  495.066697][ T8295]  ? __check_object_size+0x323/0x730
[  495.071970][ T8295]  netlink_sendmsg+0x93c/0xe40
[  495.076727][ T8295]  ? netlink_unicast+0x810/0x810
[  495.081679][ T8295]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  495.086954][ T8295]  ? netlink_unicast+0x810/0x810
[  495.091884][ T8295]  __sock_sendmsg+0xd5/0x180
[  495.096464][ T8295]  ____sys_sendmsg+0x6ac/0x940
[  495.101307][ T8295]  ? copy_msghdr_from_user+0x10b/0x160
[  495.106753][ T8295]  ? kernel_sendmsg+0x50/0x50
[  495.111418][ T8295]  ? hlock_class+0x4e/0x130
[  495.115910][ T8295]  ? __lock_acquire+0x14e0/0x3b10
[  495.120929][ T8295]  ___sys_sendmsg+0x135/0x1d0
[  495.125609][ T8295]  ? do_recvmmsg+0x740/0x740
[  495.130186][ T8295]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  495.136168][ T8295]  ? find_held_lock+0x2d/0x110
[  495.140950][ T8295]  ? __fget_light+0x1fc/0x260
[  495.145627][ T8295]  __sys_sendmsg+0x117/0x1e0
[  495.150220][ T8295]  ? __sys_sendmsg_sock+0x30/0x30
[  495.155242][ T8295]  ? xfd_validate_state+0x5d/0x180
[  495.160365][ T8295]  ? syscall_enter_from_user_mode+0x7f/0x120
[  495.166358][ T8295]  do_syscall_64+0x40/0x110
[  495.170867][ T8295]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  495.176765][ T8295] RIP: 0033:0x7ff3fd6020b9
[  495.181175][ T8295] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  495.200779][ T8295] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  495.209191][ T8295] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  495.217160][ T8295] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  495.226524][ T8295] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  495.234497][ T8295] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  495.242556][ T8295] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  495.250533][ T8295]  </TASK>
[  495.255003][ T8295] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.318912][ T8296] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  495.329146][ T8296] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  495.338307][ T8296] CPU: 0 PID: 8296 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  495.348727][ T8296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  495.359026][ T8296] Call Trace:
[  495.362307][ T8296]  <TASK>
[  495.365225][ T8296]  dump_stack_lvl+0x125/0x1b0
[  495.369922][ T8296]  sysfs_warn_dup+0x7f/0xa0
[  495.374458][ T8296]  sysfs_create_dir_ns+0x249/0x2b0
[  495.379579][ T8296]  ? sysfs_create_mount_point+0xb0/0xb0
[  495.385111][ T8296]  ? spin_bug+0x1d0/0x1d0
[  495.389426][ T8296]  ? net_namespace+0x12/0x40
[  495.394033][ T8296]  ? device_namespace+0x8d/0xc0
[  495.398889][ T8296]  kobject_add_internal+0x2c8/0x970
[  495.404092][ T8296]  kobject_add+0x16f/0x240
[  495.408504][ T8296]  ? kset_create_and_add+0x190/0x190
[  495.413803][ T8296]  ? do_raw_spin_unlock+0x173/0x230
[  495.418994][ T8296]  ? kobject_put+0xbe/0x440
[  495.423502][ T8296]  ? device_add+0xc35/0x1aa0
[  495.428181][ T8296]  device_add+0x289/0x1aa0
[  495.433465][ T8296]  ? device_initialize+0x510/0x510
[  495.438569][ T8296]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  495.445415][ T8296]  ? __init_waitqueue_head+0xca/0x150
[  495.450792][ T8296]  netdev_register_kobject+0x183/0x3f0
[  495.456259][ T8296]  register_netdevice+0xbe6/0x14b0
[  495.461370][ T8296]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  495.468046][ T8296]  ? validate_linkmsg+0x6fc/0x9c0
[  495.473068][ T8296]  br_dev_newlink+0x27/0x110
[  495.477677][ T8296]  ? br_changelink+0x1760/0x1760
[  495.482607][ T8296]  __rtnl_newlink+0x1173/0x1930
[  495.487470][ T8296]  ? rtnl_link_unregister+0x260/0x260
[  495.492874][ T8296]  rtnl_newlink+0x67/0xa0
[  495.497197][ T8296]  ? __rtnl_newlink+0x1930/0x1930
[  495.502218][ T8296]  rtnetlink_rcv_msg+0x3c7/0xe00
[  495.507151][ T8296]  ? rtnl_fill_vf+0x4a0/0x4a0
[  495.511839][ T8296]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  495.517819][ T8296]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  495.523888][ T8296]  netlink_rcv_skb+0x16b/0x440
[  495.528655][ T8296]  ? rtnl_fill_vf+0x4a0/0x4a0
[  495.533328][ T8296]  ? netlink_ack+0x1380/0x1380
[  495.538087][ T8296]  ? lock_sync+0x190/0x190
[  495.542513][ T8296]  ? netlink_deliver_tap+0x1a0/0xd00
[  495.547813][ T8296]  ? _copy_from_iter+0x2c1/0x10f0
[  495.552848][ T8296]  netlink_unicast+0x53b/0x810
[  495.557611][ T8296]  ? netlink_attachskb+0x880/0x880
[  495.562715][ T8296]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  495.568604][ T8296]  ? __phys_addr_symbol+0x30/0x70
[  495.573625][ T8296]  ? __check_object_size+0x323/0x730
[  495.578908][ T8296]  netlink_sendmsg+0x93c/0xe40
[  495.583678][ T8296]  ? netlink_unicast+0x810/0x810
[  495.588625][ T8296]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  495.593905][ T8296]  ? netlink_unicast+0x810/0x810
[  495.598838][ T8296]  __sock_sendmsg+0xd5/0x180
[  495.603421][ T8296]  ____sys_sendmsg+0x6ac/0x940
[  495.608183][ T8296]  ? copy_msghdr_from_user+0x10b/0x160
[  495.613636][ T8296]  ? kernel_sendmsg+0x50/0x50
[  495.618309][ T8296]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  495.624287][ T8296]  ___sys_sendmsg+0x135/0x1d0
[  495.628959][ T8296]  ? do_recvmmsg+0x740/0x740
[  495.633543][ T8296]  ? find_held_lock+0x2d/0x110
[  495.638308][ T8296]  ? preempt_count_sub+0x160/0x160
[  495.643421][ T8296]  ? __fget_light+0x1fc/0x260
[  495.648094][ T8296]  __sys_sendmsg+0x117/0x1e0
[  495.652683][ T8296]  ? __sys_sendmsg_sock+0x30/0x30
[  495.657713][ T8296]  ? syscall_enter_from_user_mode+0x7f/0x120
[  495.663691][ T8296]  do_syscall_64+0x40/0x110
[  495.668187][ T8296]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  495.674076][ T8296] RIP: 0033:0x7ff3fd6020b9
[  495.678480][ T8296] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  495.698077][ T8296] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  495.706482][ T8296] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  495.714445][ T8296] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  495.722410][ T8296] RBP: 0000000000078ad7 R08: 0000000000000000 R09: 0000000000000006
[  495.730370][ T8296] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  495.738357][ T8296] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  495.746335][ T8296]  </TASK>
[  495.751034][ T8296] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  495.813338][ T8296] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  495.822550][ T8296] CPU: 1 PID: 8296 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  495.832967][ T8296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  495.843009][ T8296] Call Trace:
[  495.846278][ T8296]  <TASK>
[  495.849210][ T8296]  dump_stack_lvl+0x125/0x1b0
[  495.853916][ T8296]  sysfs_warn_dup+0x7f/0xa0
[  495.858410][ T8296]  sysfs_create_dir_ns+0x249/0x2b0
[  495.863519][ T8296]  ? sysfs_create_mount_point+0xb0/0xb0
[  495.869090][ T8296]  ? spin_bug+0x1d0/0x1d0
[  495.873438][ T8296]  ? net_namespace+0x12/0x40
[  495.878024][ T8296]  ? device_namespace+0x8d/0xc0
[  495.882871][ T8296]  kobject_add_internal+0x2c8/0x970
[  495.888065][ T8296]  kobject_add+0x16f/0x240
[  495.892477][ T8296]  ? kset_create_and_add+0x190/0x190
[  495.897756][ T8296]  ? do_raw_spin_unlock+0x173/0x230
[  495.902942][ T8296]  ? kobject_put+0xbe/0x440
[  495.907440][ T8296]  ? device_add+0xc35/0x1aa0
[  495.912023][ T8296]  device_add+0x289/0x1aa0
[  495.916432][ T8296]  ? device_initialize+0x510/0x510
[  495.921556][ T8296]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  495.928402][ T8296]  ? __init_waitqueue_head+0xca/0x150
[  495.933784][ T8296]  netdev_register_kobject+0x183/0x3f0
[  495.939346][ T8296]  register_netdevice+0xbe6/0x14b0
[  495.944499][ T8296]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  495.950402][ T8296]  ? validate_linkmsg+0x6fc/0x9c0
[  495.955458][ T8296]  br_dev_newlink+0x27/0x110
[  495.960040][ T8296]  ? br_changelink+0x1760/0x1760
[  495.964968][ T8296]  __rtnl_newlink+0x1173/0x1930
[  495.969813][ T8296]  ? rtnl_link_unregister+0x260/0x260
[  495.975214][ T8296]  rtnl_newlink+0x67/0xa0
[  495.979540][ T8296]  ? __rtnl_newlink+0x1930/0x1930
[  495.984554][ T8296]  rtnetlink_rcv_msg+0x3c7/0xe00
[  495.989485][ T8296]  ? rtnl_fill_vf+0x4a0/0x4a0
[  495.994151][ T8296]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  496.000310][ T8296]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  496.006316][ T8296]  netlink_rcv_skb+0x16b/0x440
[  496.011077][ T8296]  ? rtnl_fill_vf+0x4a0/0x4a0
[  496.015747][ T8296]  ? netlink_ack+0x1380/0x1380
[  496.020529][ T8296]  ? lock_sync+0x190/0x190
[  496.024946][ T8296]  ? netlink_deliver_tap+0x1a0/0xd00
[  496.030223][ T8296]  ? _copy_from_iter+0x2c1/0x10f0
[  496.036401][ T8296]  netlink_unicast+0x53b/0x810
[  496.041158][ T8296]  ? netlink_attachskb+0x880/0x880
[  496.046261][ T8296]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  496.052145][ T8296]  ? __phys_addr_symbol+0x30/0x70
[  496.057160][ T8296]  ? __check_object_size+0x323/0x730
[  496.062436][ T8296]  netlink_sendmsg+0x93c/0xe40
[  496.067218][ T8296]  ? netlink_unicast+0x810/0x810
[  496.072152][ T8296]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  496.077446][ T8296]  ? netlink_unicast+0x810/0x810
[  496.082380][ T8296]  __sock_sendmsg+0xd5/0x180
[  496.086969][ T8296]  ____sys_sendmsg+0x6ac/0x940
[  496.091728][ T8296]  ? copy_msghdr_from_user+0x10b/0x160
[  496.097177][ T8296]  ? kernel_sendmsg+0x50/0x50
[  496.101856][ T8296]  ? hlock_class+0x4e/0x130
[  496.106351][ T8296]  ? __lock_acquire+0x14e0/0x3b10
[  496.111369][ T8296]  ___sys_sendmsg+0x135/0x1d0
[  496.116042][ T8296]  ? do_recvmmsg+0x740/0x740
[  496.120620][ T8296]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  496.126623][ T8296]  ? find_held_lock+0x2d/0x110
[  496.131483][ T8296]  ? __fget_light+0x1fc/0x260
[  496.136148][ T8296]  __sys_sendmsg+0x117/0x1e0
[  496.140749][ T8296]  ? __sys_sendmsg_sock+0x30/0x30
[  496.145769][ T8296]  ? xfd_validate_state+0x5d/0x180
[  496.150883][ T8296]  ? syscall_enter_from_user_mode+0x7f/0x120
[  496.156861][ T8296]  do_syscall_64+0x40/0x110
[  496.161356][ T8296]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  496.167253][ T8296] RIP: 0033:0x7ff3fd6020b9
[  496.171659][ T8296] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  496.191346][ T8296] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  496.199760][ T8296] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  496.207728][ T8296] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  496.215786][ T8296] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  496.223760][ T8296] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  496.231758][ T8296] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  496.239732][ T8296]  </TASK>
[  496.244472][ T8296] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  496.297292][ T8297] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  496.307471][ T8297] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  496.316661][ T8297] CPU: 1 PID: 8297 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  496.327085][ T8297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  496.337130][ T8297] Call Trace:
[  496.340401][ T8297]  <TASK>
[  496.343321][ T8297]  dump_stack_lvl+0x125/0x1b0
[  496.347997][ T8297]  sysfs_warn_dup+0x7f/0xa0
[  496.352532][ T8297]  sysfs_create_dir_ns+0x249/0x2b0
[  496.357640][ T8297]  ? sysfs_create_mount_point+0xb0/0xb0
[  496.363177][ T8297]  ? spin_bug+0x1d0/0x1d0
[  496.367497][ T8297]  ? net_namespace+0x12/0x40
[  496.372075][ T8297]  ? device_namespace+0x8d/0xc0
[  496.376956][ T8297]  kobject_add_internal+0x2c8/0x970
[  496.382174][ T8297]  kobject_add+0x16f/0x240
[  496.386584][ T8297]  ? kset_create_and_add+0x190/0x190
[  496.391868][ T8297]  ? do_raw_spin_unlock+0x173/0x230
[  496.397055][ T8297]  ? kobject_put+0xbe/0x440
[  496.401549][ T8297]  ? device_add+0xc35/0x1aa0
[  496.406234][ T8297]  device_add+0x289/0x1aa0
[  496.410731][ T8297]  ? device_initialize+0x510/0x510
[  496.415849][ T8297]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  496.422697][ T8297]  ? __init_waitqueue_head+0xca/0x150
[  496.428064][ T8297]  netdev_register_kobject+0x183/0x3f0
[  496.433538][ T8297]  register_netdevice+0xbe6/0x14b0
[  496.438667][ T8297]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  496.444557][ T8297]  ? validate_linkmsg+0x6fc/0x9c0
[  496.449582][ T8297]  br_dev_newlink+0x27/0x110
[  496.454162][ T8297]  ? br_changelink+0x1760/0x1760
[  496.459102][ T8297]  __rtnl_newlink+0x1173/0x1930
[  496.463971][ T8297]  ? rtnl_link_unregister+0x260/0x260
[  496.469349][ T8297]  rtnl_newlink+0x67/0xa0
[  496.473673][ T8297]  ? __rtnl_newlink+0x1930/0x1930
[  496.478691][ T8297]  rtnetlink_rcv_msg+0x3c7/0xe00
[  496.483623][ T8297]  ? rtnl_fill_vf+0x4a0/0x4a0
[  496.488299][ T8297]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  496.494280][ T8297]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  496.500257][ T8297]  netlink_rcv_skb+0x16b/0x440
[  496.505021][ T8297]  ? rtnl_fill_vf+0x4a0/0x4a0
[  496.509686][ T8297]  ? netlink_ack+0x1380/0x1380
[  496.514460][ T8297]  ? lock_sync+0x190/0x190
[  496.518892][ T8297]  ? netlink_deliver_tap+0x1a0/0xd00
[  496.524165][ T8297]  ? _copy_from_iter+0x2c1/0x10f0
[  496.529181][ T8297]  netlink_unicast+0x53b/0x810
[  496.533939][ T8297]  ? netlink_attachskb+0x880/0x880
[  496.539053][ T8297]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  496.544938][ T8297]  ? __phys_addr_symbol+0x30/0x70
[  496.549953][ T8297]  ? __check_object_size+0x323/0x730
[  496.555230][ T8297]  netlink_sendmsg+0x93c/0xe40
[  496.559994][ T8297]  ? netlink_unicast+0x810/0x810
[  496.564927][ T8297]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  496.570200][ T8297]  ? netlink_unicast+0x810/0x810
[  496.575130][ T8297]  __sock_sendmsg+0xd5/0x180
[  496.579711][ T8297]  ____sys_sendmsg+0x6ac/0x940
[  496.584484][ T8297]  ? copy_msghdr_from_user+0x10b/0x160
[  496.589983][ T8297]  ? kernel_sendmsg+0x50/0x50
[  496.594792][ T8297]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  496.600785][ T8297]  ___sys_sendmsg+0x135/0x1d0
[  496.605454][ T8297]  ? do_recvmmsg+0x740/0x740
[  496.610053][ T8297]  ? find_held_lock+0x2d/0x110
[  496.614820][ T8297]  ? preempt_count_sub+0x160/0x160
[  496.619923][ T8297]  ? __fget_light+0x1fc/0x260
[  496.624592][ T8297]  __sys_sendmsg+0x117/0x1e0
[  496.629177][ T8297]  ? __sys_sendmsg_sock+0x30/0x30
[  496.634198][ T8297]  ? syscall_enter_from_user_mode+0x7f/0x120
[  496.640170][ T8297]  do_syscall_64+0x40/0x110
[  496.644660][ T8297]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  496.650544][ T8297] RIP: 0033:0x7ff3fd6020b9
[  496.654947][ T8297] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  496.674546][ T8297] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  496.682944][ T8297] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  496.690902][ T8297] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  496.698867][ T8297] RBP: 0000000000078ec0 R08: 0000000000000000 R09: 0000000000000006
[  496.706912][ T8297] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  496.714873][ T8297] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  496.722930][ T8297]  </TASK>
[  496.730307][ T8297] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  496.783339][ T8297] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  496.792586][ T8297] CPU: 0 PID: 8297 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  496.803015][ T8297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  496.813057][ T8297] Call Trace:
[  496.816322][ T8297]  <TASK>
[  496.819237][ T8297]  dump_stack_lvl+0x125/0x1b0
[  496.823902][ T8297]  sysfs_warn_dup+0x7f/0xa0
[  496.828391][ T8297]  sysfs_create_dir_ns+0x249/0x2b0
[  496.833497][ T8297]  ? sysfs_create_mount_point+0xb0/0xb0
[  496.839034][ T8297]  ? spin_bug+0x1d0/0x1d0
[  496.843645][ T8297]  ? net_namespace+0x12/0x40
[  496.848247][ T8297]  ? device_namespace+0x8d/0xc0
[  496.853104][ T8297]  kobject_add_internal+0x2c8/0x970
[  496.858306][ T8297]  kobject_add+0x16f/0x240
[  496.862719][ T8297]  ? kset_create_and_add+0x190/0x190
[  496.868025][ T8297]  ? do_raw_spin_unlock+0x173/0x230
[  496.873217][ T8297]  ? kobject_put+0xbe/0x440
[  496.877716][ T8297]  ? device_add+0xc35/0x1aa0
[  496.882304][ T8297]  device_add+0x289/0x1aa0
[  496.886729][ T8297]  ? device_initialize+0x510/0x510
[  496.891852][ T8297]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  496.898702][ T8297]  ? __init_waitqueue_head+0xca/0x150
[  496.904078][ T8297]  netdev_register_kobject+0x183/0x3f0
[  496.909542][ T8297]  register_netdevice+0xbe6/0x14b0
[  496.914653][ T8297]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  496.920545][ T8297]  ? validate_linkmsg+0x6fc/0x9c0
[  496.925564][ T8297]  br_dev_newlink+0x27/0x110
[  496.930238][ T8297]  ? br_changelink+0x1760/0x1760
[  496.935173][ T8297]  __rtnl_newlink+0x1173/0x1930
[  496.940034][ T8297]  ? rtnl_link_unregister+0x260/0x260
[  496.945419][ T8297]  rtnl_newlink+0x67/0xa0
[  496.949744][ T8297]  ? __rtnl_newlink+0x1930/0x1930
[  496.954761][ T8297]  rtnetlink_rcv_msg+0x3c7/0xe00
[  496.959695][ T8297]  ? rtnl_fill_vf+0x4a0/0x4a0
[  496.964366][ T8297]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  496.970346][ T8297]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  496.976329][ T8297]  netlink_rcv_skb+0x16b/0x440
[  496.981094][ T8297]  ? rtnl_fill_vf+0x4a0/0x4a0
[  496.985766][ T8297]  ? netlink_ack+0x1380/0x1380
[  496.990527][ T8297]  ? lock_sync+0x190/0x190
[  496.994954][ T8297]  ? netlink_deliver_tap+0x1a0/0xd00
[  497.000236][ T8297]  ? _copy_from_iter+0x2c1/0x10f0
[  497.005262][ T8297]  netlink_unicast+0x53b/0x810
[  497.010032][ T8297]  ? netlink_attachskb+0x880/0x880
[  497.015142][ T8297]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  497.021035][ T8297]  ? __phys_addr_symbol+0x30/0x70
[  497.026053][ T8297]  ? __check_object_size+0x323/0x730
[  497.031346][ T8297]  netlink_sendmsg+0x93c/0xe40
[  497.036112][ T8297]  ? netlink_unicast+0x810/0x810
[  497.041047][ T8297]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  497.046327][ T8297]  ? netlink_unicast+0x810/0x810
[  497.051259][ T8297]  __sock_sendmsg+0xd5/0x180
[  497.055846][ T8297]  ____sys_sendmsg+0x6ac/0x940
[  497.060599][ T8297]  ? copy_msghdr_from_user+0x10b/0x160
[  497.066056][ T8297]  ? kernel_sendmsg+0x50/0x50
[  497.070748][ T8297]  ___sys_sendmsg+0x135/0x1d0
[  497.075521][ T8297]  ? do_recvmmsg+0x740/0x740
[  497.080110][ T8297]  ? find_held_lock+0x2d/0x110
[  497.086364][ T8297]  ? preempt_count_sub+0x160/0x160
[  497.091481][ T8297]  ? __fget_light+0x1fc/0x260
[  497.096154][ T8297]  __sys_sendmsg+0x117/0x1e0
[  497.100742][ T8297]  ? __sys_sendmsg_sock+0x30/0x30
[  497.105772][ T8297]  ? syscall_enter_from_user_mode+0x7f/0x120
[  497.111754][ T8297]  do_syscall_64+0x40/0x110
[  497.116249][ T8297]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  497.122158][ T8297] RIP: 0033:0x7ff3fd6020b9
[  497.126561][ T8297] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  497.146159][ T8297] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  497.154560][ T8297] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  497.162518][ T8297] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  497.170482][ T8297] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  497.178443][ T8297] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  497.186400][ T8297] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  497.194370][ T8297]  </TASK>
[  497.198782][ T8297] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.257543][ T8298] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  497.267690][ T8298] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  497.276862][ T8298] CPU: 0 PID: 8298 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  497.287370][ T8298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  497.297416][ T8298] Call Trace:
[  497.300859][ T8298]  <TASK>
[  497.303783][ T8298]  dump_stack_lvl+0x125/0x1b0
[  497.308459][ T8298]  sysfs_warn_dup+0x7f/0xa0
[  497.312959][ T8298]  sysfs_create_dir_ns+0x249/0x2b0
[  497.318062][ T8298]  ? sysfs_create_mount_point+0xb0/0xb0
[  497.323604][ T8298]  ? spin_bug+0x1d0/0x1d0
[  497.327926][ T8298]  ? net_namespace+0x12/0x40
[  497.332513][ T8298]  ? device_namespace+0x8d/0xc0
[  497.337372][ T8298]  kobject_add_internal+0x2c8/0x970
[  497.342621][ T8298]  kobject_add+0x16f/0x240
[  497.347056][ T8298]  ? kset_create_and_add+0x190/0x190
[  497.352358][ T8298]  ? do_raw_spin_unlock+0x173/0x230
[  497.357558][ T8298]  ? kobject_put+0xbe/0x440
[  497.362061][ T8298]  ? device_add+0xc35/0x1aa0
[  497.366650][ T8298]  device_add+0x289/0x1aa0
[  497.371062][ T8298]  ? device_initialize+0x510/0x510
[  497.376185][ T8298]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  497.383052][ T8298]  ? __init_waitqueue_head+0xca/0x150
[  497.388441][ T8298]  netdev_register_kobject+0x183/0x3f0
[  497.393917][ T8298]  register_netdevice+0xbe6/0x14b0
[  497.399029][ T8298]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  497.404921][ T8298]  ? validate_linkmsg+0x6fc/0x9c0
[  497.409943][ T8298]  br_dev_newlink+0x27/0x110
[  497.414796][ T8298]  ? br_changelink+0x1760/0x1760
[  497.419758][ T8298]  __rtnl_newlink+0x1173/0x1930
[  497.424619][ T8298]  ? rtnl_link_unregister+0x260/0x260
[  497.430007][ T8298]  rtnl_newlink+0x67/0xa0
[  497.434336][ T8298]  ? __rtnl_newlink+0x1930/0x1930
[  497.439356][ T8298]  rtnetlink_rcv_msg+0x3c7/0xe00
[  497.444290][ T8298]  ? rtnl_fill_vf+0x4a0/0x4a0
[  497.448962][ T8298]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  497.454945][ T8298]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  497.461217][ T8298]  netlink_rcv_skb+0x16b/0x440
[  497.466010][ T8298]  ? rtnl_fill_vf+0x4a0/0x4a0
[  497.470711][ T8298]  ? netlink_ack+0x1380/0x1380
[  497.475483][ T8298]  ? lock_sync+0x190/0x190
[  497.480106][ T8298]  ? netlink_deliver_tap+0x1a0/0xd00
[  497.485411][ T8298]  ? _copy_from_iter+0x2c1/0x10f0
[  497.490440][ T8298]  netlink_unicast+0x53b/0x810
[  497.495210][ T8298]  ? netlink_attachskb+0x880/0x880
[  497.500315][ T8298]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  497.506206][ T8298]  ? __phys_addr_symbol+0x30/0x70
[  497.511227][ T8298]  ? __check_object_size+0x323/0x730
[  497.516515][ T8298]  netlink_sendmsg+0x93c/0xe40
[  497.521280][ T8298]  ? netlink_unicast+0x810/0x810
[  497.526218][ T8298]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  497.531529][ T8298]  ? netlink_unicast+0x810/0x810
[  497.536465][ T8298]  __sock_sendmsg+0xd5/0x180
[  497.541051][ T8298]  ____sys_sendmsg+0x6ac/0x940
[  497.545979][ T8298]  ? copy_msghdr_from_user+0x10b/0x160
[  497.551431][ T8298]  ? kernel_sendmsg+0x50/0x50
[  497.556105][ T8298]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  497.562083][ T8298]  ___sys_sendmsg+0x135/0x1d0
[  497.566757][ T8298]  ? do_recvmmsg+0x740/0x740
[  497.571341][ T8298]  ? find_held_lock+0x2d/0x110
[  497.576105][ T8298]  ? preempt_count_sub+0x160/0x160
[  497.581214][ T8298]  ? __fget_light+0x1fc/0x260
[  497.585881][ T8298]  __sys_sendmsg+0x117/0x1e0
[  497.590468][ T8298]  ? __sys_sendmsg_sock+0x30/0x30
[  497.595503][ T8298]  ? syscall_enter_from_user_mode+0x7f/0x120
[  497.601486][ T8298]  do_syscall_64+0x40/0x110
[  497.605986][ T8298]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  497.611878][ T8298] RIP: 0033:0x7ff3fd6020b9
[  497.616283][ T8298] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  497.635904][ T8298] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  497.644317][ T8298] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  497.652284][ T8298] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  497.660244][ T8298] RBP: 0000000000079293 R08: 0000000000000000 R09: 0000000000000006
[  497.668206][ T8298] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  497.676167][ T8298] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  497.684142][ T8298]  </TASK>
[  497.687515][ T8298] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  497.743245][ T8298] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  497.752514][ T8298] CPU: 0 PID: 8298 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  497.762919][ T8298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  497.772982][ T8298] Call Trace:
[  497.776260][ T8298]  <TASK>
[  497.779186][ T8298]  dump_stack_lvl+0x125/0x1b0
[  497.783853][ T8298]  sysfs_warn_dup+0x7f/0xa0
[  497.788357][ T8298]  sysfs_create_dir_ns+0x249/0x2b0
[  497.793491][ T8298]  ? sysfs_create_mount_point+0xb0/0xb0
[  497.799027][ T8298]  ? spin_bug+0x1d0/0x1d0
[  497.803346][ T8298]  ? net_namespace+0x12/0x40
[  497.807928][ T8298]  ? device_namespace+0x8d/0xc0
[  497.812787][ T8298]  kobject_add_internal+0x2c8/0x970
[  497.819557][ T8298]  kobject_add+0x16f/0x240
[  497.824061][ T8298]  ? kset_create_and_add+0x190/0x190
[  497.829354][ T8298]  ? do_raw_spin_unlock+0x173/0x230
[  497.834555][ T8298]  ? kobject_put+0xbe/0x440
[  497.839078][ T8298]  ? device_add+0xc35/0x1aa0
[  497.843670][ T8298]  device_add+0x289/0x1aa0
[  497.848084][ T8298]  ? device_initialize+0x510/0x510
[  497.853187][ T8298]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  497.860035][ T8298]  ? __init_waitqueue_head+0xca/0x150
[  497.865507][ T8298]  netdev_register_kobject+0x183/0x3f0
[  497.870992][ T8298]  register_netdevice+0xbe6/0x14b0
[  497.876108][ T8298]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  497.882002][ T8298]  ? validate_linkmsg+0x6fc/0x9c0
[  497.887022][ T8298]  br_dev_newlink+0x27/0x110
[  497.891610][ T8298]  ? br_changelink+0x1760/0x1760
[  497.896539][ T8298]  __rtnl_newlink+0x1173/0x1930
[  497.901391][ T8298]  ? rtnl_link_unregister+0x260/0x260
[  497.906772][ T8298]  rtnl_newlink+0x67/0xa0
[  497.911098][ T8298]  ? __rtnl_newlink+0x1930/0x1930
[  497.916205][ T8298]  rtnetlink_rcv_msg+0x3c7/0xe00
[  497.921139][ T8298]  ? rtnl_fill_vf+0x4a0/0x4a0
[  497.925816][ T8298]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  497.931895][ T8298]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  497.937879][ T8298]  netlink_rcv_skb+0x16b/0x440
[  497.942644][ T8298]  ? rtnl_fill_vf+0x4a0/0x4a0
[  497.947324][ T8298]  ? netlink_ack+0x1380/0x1380
[  497.952082][ T8298]  ? lock_sync+0x190/0x190
[  497.956505][ T8298]  ? netlink_deliver_tap+0x1a0/0xd00
[  497.961790][ T8298]  ? _copy_from_iter+0x2c1/0x10f0
[  497.966814][ T8298]  netlink_unicast+0x53b/0x810
[  497.971578][ T8298]  ? netlink_attachskb+0x880/0x880
[  497.976691][ T8298]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  497.982578][ T8298]  ? __phys_addr_symbol+0x30/0x70
[  497.987594][ T8298]  ? __check_object_size+0x323/0x730
[  497.992886][ T8298]  netlink_sendmsg+0x93c/0xe40
[  497.997662][ T8298]  ? netlink_unicast+0x810/0x810
[  498.002607][ T8298]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  498.007889][ T8298]  ? netlink_unicast+0x810/0x810
[  498.013092][ T8298]  __sock_sendmsg+0xd5/0x180
[  498.017703][ T8298]  ____sys_sendmsg+0x6ac/0x940
[  498.022465][ T8298]  ? copy_msghdr_from_user+0x10b/0x160
[  498.027925][ T8298]  ? kernel_sendmsg+0x50/0x50
[  498.032598][ T8298]  ? hlock_class+0x4e/0x130
[  498.037098][ T8298]  ? __lock_acquire+0x14e0/0x3b10
[  498.042127][ T8298]  ___sys_sendmsg+0x135/0x1d0
[  498.046807][ T8298]  ? do_recvmmsg+0x740/0x740
[  498.051396][ T8298]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  498.057380][ T8298]  ? find_held_lock+0x2d/0x110
[  498.062165][ T8298]  ? __fget_light+0x1fc/0x260
[  498.066840][ T8298]  __sys_sendmsg+0x117/0x1e0
[  498.071431][ T8298]  ? __sys_sendmsg_sock+0x30/0x30
[  498.076455][ T8298]  ? __do_sys_rseq+0x750/0x750
[  498.081226][ T8298]  ? syscall_enter_from_user_mode+0x7f/0x120
[  498.087212][ T8298]  do_syscall_64+0x40/0x110
[  498.091820][ T8298]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  498.097719][ T8298] RIP: 0033:0x7ff3fd6020b9
[  498.102129][ T8298] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  498.121734][ T8298] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  498.130162][ T8298] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  498.138150][ T8298] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  498.146113][ T8298] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  498.154076][ T8298] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  498.162041][ T8298] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  498.170014][ T8298]  </TASK>
[  498.173923][ T8298] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  498.238222][ T8299] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  498.248492][ T8299] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  498.257700][ T8299] CPU: 1 PID: 8299 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  498.268121][ T8299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  498.278165][ T8299] Call Trace:
[  498.281436][ T8299]  <TASK>
[  498.284378][ T8299]  dump_stack_lvl+0x125/0x1b0
[  498.289068][ T8299]  sysfs_warn_dup+0x7f/0xa0
[  498.293588][ T8299]  sysfs_create_dir_ns+0x249/0x2b0
[  498.298689][ T8299]  ? sysfs_create_mount_point+0xb0/0xb0
[  498.304229][ T8299]  ? spin_bug+0x1d0/0x1d0
[  498.308549][ T8299]  ? net_namespace+0x12/0x40
[  498.313164][ T8299]  ? device_namespace+0x8d/0xc0
[  498.318016][ T8299]  kobject_add_internal+0x2c8/0x970
[  498.323210][ T8299]  kobject_add+0x16f/0x240
[  498.327615][ T8299]  ? kset_create_and_add+0x190/0x190
[  498.332889][ T8299]  ? do_raw_spin_unlock+0x173/0x230
[  498.338074][ T8299]  ? kobject_put+0xbe/0x440
[  498.342570][ T8299]  ? device_add+0xc35/0x1aa0
[  498.347154][ T8299]  device_add+0x289/0x1aa0
[  498.351564][ T8299]  ? device_initialize+0x510/0x510
[  498.356679][ T8299]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  498.363538][ T8299]  ? __init_waitqueue_head+0xca/0x150
[  498.368942][ T8299]  netdev_register_kobject+0x183/0x3f0
[  498.374429][ T8299]  register_netdevice+0xbe6/0x14b0
[  498.379558][ T8299]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  498.385474][ T8299]  ? validate_linkmsg+0x6fc/0x9c0
[  498.390503][ T8299]  br_dev_newlink+0x27/0x110
[  498.395093][ T8299]  ? br_changelink+0x1760/0x1760
[  498.400112][ T8299]  __rtnl_newlink+0x1173/0x1930
[  498.404966][ T8299]  ? rtnl_link_unregister+0x260/0x260
[  498.410368][ T8299]  rtnl_newlink+0x67/0xa0
[  498.414702][ T8299]  ? __rtnl_newlink+0x1930/0x1930
[  498.419733][ T8299]  rtnetlink_rcv_msg+0x3c7/0xe00
[  498.424669][ T8299]  ? rtnl_fill_vf+0x4a0/0x4a0
[  498.429336][ T8299]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  498.435309][ T8299]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  498.441287][ T8299]  netlink_rcv_skb+0x16b/0x440
[  498.446075][ T8299]  ? rtnl_fill_vf+0x4a0/0x4a0
[  498.450745][ T8299]  ? netlink_ack+0x1380/0x1380
[  498.455502][ T8299]  ? lock_sync+0x190/0x190
[  498.459925][ T8299]  ? netlink_deliver_tap+0x1a0/0xd00
[  498.465204][ T8299]  ? _copy_from_iter+0x2c1/0x10f0
[  498.470225][ T8299]  netlink_unicast+0x53b/0x810
[  498.475010][ T8299]  ? netlink_attachskb+0x880/0x880
[  498.480128][ T8299]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  498.486031][ T8299]  ? __phys_addr_symbol+0x30/0x70
[  498.491055][ T8299]  ? __check_object_size+0x323/0x730
[  498.496338][ T8299]  netlink_sendmsg+0x93c/0xe40
[  498.501134][ T8299]  ? netlink_unicast+0x810/0x810
[  498.506073][ T8299]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  498.511352][ T8299]  ? netlink_unicast+0x810/0x810
[  498.516287][ T8299]  __sock_sendmsg+0xd5/0x180
[  498.520903][ T8299]  ____sys_sendmsg+0x6ac/0x940
[  498.525660][ T8299]  ? copy_msghdr_from_user+0x10b/0x160
[  498.531121][ T8299]  ? kernel_sendmsg+0x50/0x50
[  498.535807][ T8299]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  498.541789][ T8299]  ___sys_sendmsg+0x135/0x1d0
[  498.546494][ T8299]  ? do_recvmmsg+0x740/0x740
[  498.551080][ T8299]  ? find_held_lock+0x2d/0x110
[  498.555856][ T8299]  ? preempt_count_sub+0x160/0x160
[  498.560994][ T8299]  ? __fget_light+0x1fc/0x260
[  498.565666][ T8299]  __sys_sendmsg+0x117/0x1e0
[  498.570252][ T8299]  ? __sys_sendmsg_sock+0x30/0x30
[  498.575272][ T8299]  ? xfd_validate_state+0x5d/0x180
[  498.580419][ T8299]  ? syscall_enter_from_user_mode+0x7f/0x120
[  498.586431][ T8299]  do_syscall_64+0x40/0x110
[  498.590958][ T8299]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  498.596846][ T8299] RIP: 0033:0x7ff3fd6020b9
[  498.601250][ T8299] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  498.620848][ T8299] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  498.629253][ T8299] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  498.637238][ T8299] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  498.645194][ T8299] RBP: 0000000000079653 R08: 0000000000000000 R09: 0000000000000006
[  498.653174][ T8299] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  498.661133][ T8299] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  498.669099][ T8299]  </TASK>
[  498.673779][ T8299] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  498.733374][ T8299] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  498.742610][ T8299] CPU: 0 PID: 8299 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  498.753031][ T8299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  498.763079][ T8299] Call Trace:
[  498.766351][ T8299]  <TASK>
[  498.769285][ T8299]  dump_stack_lvl+0x125/0x1b0
[  498.773967][ T8299]  sysfs_warn_dup+0x7f/0xa0
[  498.778470][ T8299]  sysfs_create_dir_ns+0x249/0x2b0
[  498.783574][ T8299]  ? sysfs_create_mount_point+0xb0/0xb0
[  498.789114][ T8299]  ? spin_bug+0x1d0/0x1d0
[  498.793431][ T8299]  ? net_namespace+0x12/0x40
[  498.798011][ T8299]  ? device_namespace+0x8d/0xc0
[  498.802868][ T8299]  kobject_add_internal+0x2c8/0x970
[  498.808064][ T8299]  kobject_add+0x16f/0x240
[  498.812470][ T8299]  ? kset_create_and_add+0x190/0x190
[  498.817746][ T8299]  ? do_raw_spin_unlock+0x173/0x230
[  498.822932][ T8299]  ? kobject_put+0xbe/0x440
[  498.827449][ T8299]  ? device_add+0xc35/0x1aa0
[  498.832030][ T8299]  device_add+0x289/0x1aa0
[  498.836436][ T8299]  ? device_initialize+0x510/0x510
[  498.841535][ T8299]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  498.848378][ T8299]  ? __init_waitqueue_head+0xca/0x150
[  498.853773][ T8299]  netdev_register_kobject+0x183/0x3f0
[  498.859227][ T8299]  register_netdevice+0xbe6/0x14b0
[  498.864331][ T8299]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  498.870215][ T8299]  ? validate_linkmsg+0x6fc/0x9c0
[  498.875229][ T8299]  br_dev_newlink+0x27/0x110
[  498.879810][ T8299]  ? br_changelink+0x1760/0x1760
[  498.884738][ T8299]  __rtnl_newlink+0x1173/0x1930
[  498.889612][ T8299]  ? rtnl_link_unregister+0x260/0x260
[  498.895000][ T8299]  rtnl_newlink+0x67/0xa0
[  498.899327][ T8299]  ? __rtnl_newlink+0x1930/0x1930
[  498.904347][ T8299]  rtnetlink_rcv_msg+0x3c7/0xe00
[  498.909277][ T8299]  ? rtnl_fill_vf+0x4a0/0x4a0
[  498.913953][ T8299]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  498.919930][ T8299]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  498.925930][ T8299]  netlink_rcv_skb+0x16b/0x440
[  498.930702][ T8299]  ? rtnl_fill_vf+0x4a0/0x4a0
[  498.935398][ T8299]  ? netlink_ack+0x1380/0x1380
[  498.940162][ T8299]  ? lock_sync+0x190/0x190
[  498.944583][ T8299]  ? netlink_deliver_tap+0x1a0/0xd00
[  498.949868][ T8299]  ? _copy_from_iter+0x2c1/0x10f0
[  498.954893][ T8299]  netlink_unicast+0x53b/0x810
[  498.959659][ T8299]  ? netlink_attachskb+0x880/0x880
[  498.964763][ T8299]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  498.970655][ T8299]  ? __phys_addr_symbol+0x30/0x70
[  498.975692][ T8299]  ? __check_object_size+0x323/0x730
[  498.980989][ T8299]  netlink_sendmsg+0x93c/0xe40
[  498.985756][ T8299]  ? netlink_unicast+0x810/0x810
[  498.990700][ T8299]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  498.996005][ T8299]  ? netlink_unicast+0x810/0x810
[  499.000949][ T8299]  __sock_sendmsg+0xd5/0x180
[  499.005563][ T8299]  ____sys_sendmsg+0x6ac/0x940
[  499.010348][ T8299]  ? copy_msghdr_from_user+0x10b/0x160
[  499.015798][ T8299]  ? kernel_sendmsg+0x50/0x50
[  499.020473][ T8299]  ___sys_sendmsg+0x135/0x1d0
[  499.025142][ T8299]  ? do_recvmmsg+0x740/0x740
[  499.029724][ T8299]  ? find_held_lock+0x2d/0x110
[  499.034484][ T8299]  ? preempt_count_sub+0x160/0x160
[  499.039588][ T8299]  ? __fget_light+0x1fc/0x260
[  499.044259][ T8299]  __sys_sendmsg+0x117/0x1e0
[  499.048858][ T8299]  ? __sys_sendmsg_sock+0x30/0x30
[  499.053887][ T8299]  ? syscall_enter_from_user_mode+0x7f/0x120
[  499.059861][ T8299]  do_syscall_64+0x40/0x110
[  499.064380][ T8299]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  499.070280][ T8299] RIP: 0033:0x7ff3fd6020b9
[  499.074713][ T8299] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  499.094334][ T8299] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  499.102758][ T8299] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  499.110725][ T8299] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  499.118702][ T8299] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  499.126660][ T8299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  499.134623][ T8299] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  499.142670][ T8299]  </TASK>
[  499.146330][ T8299] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  499.207254][ T8300] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  499.217521][ T8300] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  499.226822][ T8300] CPU: 1 PID: 8300 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  499.237250][ T8300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  499.247290][ T8300] Call Trace:
[  499.250560][ T8300]  <TASK>
[  499.253482][ T8300]  dump_stack_lvl+0x125/0x1b0
[  499.258161][ T8300]  sysfs_warn_dup+0x7f/0xa0
[  499.262663][ T8300]  sysfs_create_dir_ns+0x249/0x2b0
[  499.267768][ T8300]  ? sysfs_create_mount_point+0xb0/0xb0
[  499.273305][ T8300]  ? spin_bug+0x1d0/0x1d0
[  499.277623][ T8300]  ? net_namespace+0x12/0x40
[  499.282226][ T8300]  ? device_namespace+0x8d/0xc0
[  499.287092][ T8300]  kobject_add_internal+0x2c8/0x970
[  499.292301][ T8300]  kobject_add+0x16f/0x240
[  499.296720][ T8300]  ? kset_create_and_add+0x190/0x190
[  499.302035][ T8300]  ? do_raw_spin_unlock+0x173/0x230
[  499.307229][ T8300]  ? kobject_put+0xbe/0x440
[  499.311731][ T8300]  ? device_add+0xc35/0x1aa0
[  499.316317][ T8300]  device_add+0x289/0x1aa0
[  499.320732][ T8300]  ? device_initialize+0x510/0x510
[  499.325834][ T8300]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  499.332687][ T8300]  ? __init_waitqueue_head+0xca/0x150
[  499.338150][ T8300]  netdev_register_kobject+0x183/0x3f0
[  499.343616][ T8300]  register_netdevice+0xbe6/0x14b0
[  499.348728][ T8300]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  499.354618][ T8300]  ? validate_linkmsg+0x6fc/0x9c0
[  499.359652][ T8300]  br_dev_newlink+0x27/0x110
[  499.364240][ T8300]  ? br_changelink+0x1760/0x1760
[  499.369171][ T8300]  __rtnl_newlink+0x1173/0x1930
[  499.374026][ T8300]  ? rtnl_link_unregister+0x260/0x260
[  499.379409][ T8300]  rtnl_newlink+0x67/0xa0
[  499.383738][ T8300]  ? __rtnl_newlink+0x1930/0x1930
[  499.388757][ T8300]  rtnetlink_rcv_msg+0x3c7/0xe00
[  499.393698][ T8300]  ? rtnl_fill_vf+0x4a0/0x4a0
[  499.398395][ T8300]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  499.404381][ T8300]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  499.410368][ T8300]  netlink_rcv_skb+0x16b/0x440
[  499.415142][ T8300]  ? rtnl_fill_vf+0x4a0/0x4a0
[  499.419815][ T8300]  ? netlink_ack+0x1380/0x1380
[  499.424577][ T8300]  ? lock_sync+0x190/0x190
[  499.429002][ T8300]  ? netlink_deliver_tap+0x1a0/0xd00
[  499.434288][ T8300]  ? _copy_from_iter+0x2c1/0x10f0
[  499.439317][ T8300]  netlink_unicast+0x53b/0x810
[  499.444082][ T8300]  ? netlink_attachskb+0x880/0x880
[  499.449194][ T8300]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  499.455111][ T8300]  ? __phys_addr_symbol+0x30/0x70
[  499.460160][ T8300]  ? __check_object_size+0x323/0x730
[  499.465493][ T8300]  netlink_sendmsg+0x93c/0xe40
[  499.470269][ T8300]  ? netlink_unicast+0x810/0x810
[  499.475217][ T8300]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  499.480507][ T8300]  ? netlink_unicast+0x810/0x810
[  499.485457][ T8300]  __sock_sendmsg+0xd5/0x180
[  499.490055][ T8300]  ____sys_sendmsg+0x6ac/0x940
[  499.494816][ T8300]  ? copy_msghdr_from_user+0x10b/0x160
[  499.500276][ T8300]  ? kernel_sendmsg+0x50/0x50
[  499.504956][ T8300]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  499.510970][ T8300]  ___sys_sendmsg+0x135/0x1d0
[  499.515675][ T8300]  ? do_recvmmsg+0x740/0x740
[  499.520263][ T8300]  ? find_held_lock+0x2d/0x110
[  499.525032][ T8300]  ? preempt_count_sub+0x160/0x160
[  499.530167][ T8300]  ? __fget_light+0x1fc/0x260
[  499.534865][ T8300]  __sys_sendmsg+0x117/0x1e0
[  499.539458][ T8300]  ? __sys_sendmsg_sock+0x30/0x30
[  499.544488][ T8300]  ? xfd_validate_state+0x5d/0x180
[  499.549618][ T8300]  ? syscall_enter_from_user_mode+0x7f/0x120
[  499.555602][ T8300]  do_syscall_64+0x40/0x110
[  499.560103][ T8300]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  499.566001][ T8300] RIP: 0033:0x7ff3fd6020b9
[  499.570409][ T8300] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  499.590010][ T8300] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  499.598417][ T8300] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  499.606383][ T8300] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  499.614431][ T8300] RBP: 0000000000079a27 R08: 0000000000000000 R09: 0000000000000006
[  499.622394][ T8300] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  499.630355][ T8300] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  499.638328][ T8300]  </TASK>
[  499.642753][ T8300] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  499.713324][ T8300] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  499.722561][ T8300] CPU: 1 PID: 8300 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  499.732976][ T8300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  499.743021][ T8300] Call Trace:
[  499.746294][ T8300]  <TASK>
[  499.749231][ T8300]  dump_stack_lvl+0x125/0x1b0
[  499.753913][ T8300]  sysfs_warn_dup+0x7f/0xa0
[  499.758439][ T8300]  sysfs_create_dir_ns+0x249/0x2b0
[  499.763555][ T8300]  ? sysfs_create_mount_point+0xb0/0xb0
[  499.769105][ T8300]  ? spin_bug+0x1d0/0x1d0
[  499.773433][ T8300]  ? net_namespace+0x12/0x40
[  499.778044][ T8300]  ? device_namespace+0x8d/0xc0
[  499.782891][ T8300]  kobject_add_internal+0x2c8/0x970
[  499.788086][ T8300]  kobject_add+0x16f/0x240
[  499.792497][ T8300]  ? kset_create_and_add+0x190/0x190
[  499.797773][ T8300]  ? do_raw_spin_unlock+0x173/0x230
[  499.802995][ T8300]  ? kobject_put+0xbe/0x440
[  499.807490][ T8300]  ? device_add+0xc35/0x1aa0
[  499.812075][ T8300]  device_add+0x289/0x1aa0
[  499.816484][ T8300]  ? device_initialize+0x510/0x510
[  499.821584][ T8300]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  499.828423][ T8300]  ? __init_waitqueue_head+0xca/0x150
[  499.833790][ T8300]  netdev_register_kobject+0x183/0x3f0
[  499.839251][ T8300]  register_netdevice+0xbe6/0x14b0
[  499.844357][ T8300]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  499.850273][ T8300]  ? validate_linkmsg+0x6fc/0x9c0
[  499.855318][ T8300]  br_dev_newlink+0x27/0x110
[  499.859905][ T8300]  ? br_changelink+0x1760/0x1760
[  499.864836][ T8300]  __rtnl_newlink+0x1173/0x1930
[  499.869692][ T8300]  ? rtnl_link_unregister+0x260/0x260
[  499.875071][ T8300]  rtnl_newlink+0x67/0xa0
[  499.879394][ T8300]  ? __rtnl_newlink+0x1930/0x1930
[  499.884408][ T8300]  rtnetlink_rcv_msg+0x3c7/0xe00
[  499.889374][ T8300]  ? rtnl_fill_vf+0x4a0/0x4a0
[  499.894041][ T8300]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  499.900044][ T8300]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  499.906052][ T8300]  netlink_rcv_skb+0x16b/0x440
[  499.910896][ T8300]  ? rtnl_fill_vf+0x4a0/0x4a0
[  499.915566][ T8300]  ? netlink_ack+0x1380/0x1380
[  499.920323][ T8300]  ? lock_sync+0x190/0x190
[  499.924741][ T8300]  ? netlink_deliver_tap+0x1a0/0xd00
[  499.930017][ T8300]  ? _copy_from_iter+0x2c1/0x10f0
[  499.935062][ T8300]  netlink_unicast+0x53b/0x810
[  499.939824][ T8300]  ? netlink_attachskb+0x880/0x880
[  499.944924][ T8300]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  499.950836][ T8300]  ? __phys_addr_symbol+0x30/0x70
[  499.955853][ T8300]  ? __check_object_size+0x323/0x730
[  499.961130][ T8300]  netlink_sendmsg+0x93c/0xe40
[  499.965910][ T8300]  ? netlink_unicast+0x810/0x810
[  499.970844][ T8300]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  499.976127][ T8300]  ? netlink_unicast+0x810/0x810
[  499.981077][ T8300]  __sock_sendmsg+0xd5/0x180
[  499.985675][ T8300]  ____sys_sendmsg+0x6ac/0x940
[  499.990439][ T8300]  ? copy_msghdr_from_user+0x10b/0x160
[  499.995922][ T8300]  ? kernel_sendmsg+0x50/0x50
[  500.000615][ T8300]  ? hlock_class+0x4e/0x130
[  500.005131][ T8300]  ? __lock_acquire+0x14e0/0x3b10
[  500.010157][ T8300]  ___sys_sendmsg+0x135/0x1d0
[  500.014843][ T8300]  ? do_recvmmsg+0x740/0x740
[  500.019428][ T8300]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  500.025424][ T8300]  ? find_held_lock+0x2d/0x110
[  500.030198][ T8300]  ? __fget_light+0x1fc/0x260
[  500.034884][ T8300]  __sys_sendmsg+0x117/0x1e0
[  500.039486][ T8300]  ? __sys_sendmsg_sock+0x30/0x30
[  500.044509][ T8300]  ? __do_sys_rseq+0x750/0x750
[  500.049282][ T8300]  ? syscall_enter_from_user_mode+0x7f/0x120
[  500.055306][ T8300]  do_syscall_64+0x40/0x110
[  500.059808][ T8300]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  500.065698][ T8300] RIP: 0033:0x7ff3fd6020b9
[  500.070100][ T8300] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  500.089706][ T8300] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  500.098108][ T8300] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  500.106077][ T8300] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  500.114074][ T8300] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  500.122034][ T8300] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  500.129995][ T8300] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  500.137974][ T8300]  </TASK>
[  500.142963][ T8300] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  500.227835][ T8301] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  500.238009][ T8301] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  500.247227][ T8301] CPU: 1 PID: 8301 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  500.257655][ T8301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  500.267703][ T8301] Call Trace:
[  500.271017][ T8301]  <TASK>
[  500.273941][ T8301]  dump_stack_lvl+0x125/0x1b0
[  500.278626][ T8301]  sysfs_warn_dup+0x7f/0xa0
[  500.283122][ T8301]  sysfs_create_dir_ns+0x249/0x2b0
[  500.288228][ T8301]  ? sysfs_create_mount_point+0xb0/0xb0
[  500.293781][ T8301]  ? spin_bug+0x1d0/0x1d0
[  500.298112][ T8301]  ? net_namespace+0x12/0x40
[  500.302697][ T8301]  ? device_namespace+0x8d/0xc0
[  500.307561][ T8301]  kobject_add_internal+0x2c8/0x970
[  500.312771][ T8301]  kobject_add+0x16f/0x240
[  500.317186][ T8301]  ? kset_create_and_add+0x190/0x190
[  500.322470][ T8301]  ? do_raw_spin_unlock+0x173/0x230
[  500.327666][ T8301]  ? kobject_put+0xbe/0x440
[  500.332169][ T8301]  ? device_add+0xc35/0x1aa0
[  500.336759][ T8301]  device_add+0x289/0x1aa0
[  500.341175][ T8301]  ? device_initialize+0x510/0x510
[  500.346282][ T8301]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  500.353131][ T8301]  ? __init_waitqueue_head+0xca/0x150
[  500.358506][ T8301]  netdev_register_kobject+0x183/0x3f0
[  500.363970][ T8301]  register_netdevice+0xbe6/0x14b0
[  500.369086][ T8301]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  500.374979][ T8301]  ? validate_linkmsg+0x6fc/0x9c0
[  500.380001][ T8301]  br_dev_newlink+0x27/0x110
[  500.384589][ T8301]  ? br_changelink+0x1760/0x1760
[  500.389528][ T8301]  __rtnl_newlink+0x1173/0x1930
[  500.394389][ T8301]  ? rtnl_link_unregister+0x260/0x260
[  500.399780][ T8301]  rtnl_newlink+0x67/0xa0
[  500.404114][ T8301]  ? __rtnl_newlink+0x1930/0x1930
[  500.409139][ T8301]  rtnetlink_rcv_msg+0x3c7/0xe00
[  500.414076][ T8301]  ? rtnl_fill_vf+0x4a0/0x4a0
[  500.418753][ T8301]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  500.424737][ T8301]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  500.430727][ T8301]  netlink_rcv_skb+0x16b/0x440
[  500.435498][ T8301]  ? rtnl_fill_vf+0x4a0/0x4a0
[  500.440171][ T8301]  ? netlink_ack+0x1380/0x1380
[  500.444934][ T8301]  ? lock_sync+0x190/0x190
[  500.449360][ T8301]  ? netlink_deliver_tap+0x1a0/0xd00
[  500.454648][ T8301]  ? _copy_from_iter+0x2c1/0x10f0
[  500.459678][ T8301]  netlink_unicast+0x53b/0x810
[  500.464449][ T8301]  ? netlink_attachskb+0x880/0x880
[  500.469561][ T8301]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  500.475477][ T8301]  ? __phys_addr_symbol+0x30/0x70
[  500.480515][ T8301]  ? __check_object_size+0x323/0x730
[  500.485810][ T8301]  netlink_sendmsg+0x93c/0xe40
[  500.490588][ T8301]  ? netlink_unicast+0x810/0x810
[  500.495538][ T8301]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  500.500829][ T8301]  ? netlink_unicast+0x810/0x810
[  500.505781][ T8301]  __sock_sendmsg+0xd5/0x180
[  500.510402][ T8301]  ____sys_sendmsg+0x6ac/0x940
[  500.515170][ T8301]  ? copy_msghdr_from_user+0x10b/0x160
[  500.520633][ T8301]  ? kernel_sendmsg+0x50/0x50
[  500.525313][ T8301]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  500.531295][ T8301]  ___sys_sendmsg+0x135/0x1d0
[  500.535973][ T8301]  ? do_recvmmsg+0x740/0x740
[  500.540562][ T8301]  ? find_held_lock+0x2d/0x110
[  500.545334][ T8301]  ? preempt_count_sub+0x160/0x160
[  500.550451][ T8301]  ? __fget_light+0x1fc/0x260
[  500.555172][ T8301]  __sys_sendmsg+0x117/0x1e0
[  500.559782][ T8301]  ? __sys_sendmsg_sock+0x30/0x30
[  500.564809][ T8301]  ? xfd_validate_state+0x5d/0x180
[  500.569941][ T8301]  ? syscall_enter_from_user_mode+0x7f/0x120
[  500.575933][ T8301]  do_syscall_64+0x40/0x110
[  500.580439][ T8301]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  500.586340][ T8301] RIP: 0033:0x7ff3fd6020b9
[  500.590752][ T8301] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  500.610449][ T8301] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  500.618867][ T8301] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  500.626834][ T8301] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  500.634801][ T8301] RBP: 0000000000079df0 R08: 0000000000000000 R09: 0000000000000006
[  500.642764][ T8301] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  500.650728][ T8301] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  500.658703][ T8301]  </TASK>
[  500.662721][ T8301] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  500.733114][ T8301] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  500.742354][ T8301] CPU: 1 PID: 8301 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  500.752823][ T8301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  500.762875][ T8301] Call Trace:
[  500.766137][ T8301]  <TASK>
[  500.769053][ T8301]  dump_stack_lvl+0x125/0x1b0
[  500.773724][ T8301]  sysfs_warn_dup+0x7f/0xa0
[  500.778215][ T8301]  sysfs_create_dir_ns+0x249/0x2b0
[  500.783312][ T8301]  ? sysfs_create_mount_point+0xb0/0xb0
[  500.788861][ T8301]  ? spin_bug+0x1d0/0x1d0
[  500.793178][ T8301]  ? net_namespace+0x12/0x40
[  500.797767][ T8301]  ? device_namespace+0x8d/0xc0
[  500.802623][ T8301]  kobject_add_internal+0x2c8/0x970
[  500.807826][ T8301]  kobject_add+0x16f/0x240
[  500.812250][ T8301]  ? kset_create_and_add+0x190/0x190
[  500.817531][ T8301]  ? do_raw_spin_unlock+0x173/0x230
[  500.822723][ T8301]  ? kobject_put+0xbe/0x440
[  500.827223][ T8301]  ? device_add+0xc35/0x1aa0
[  500.831817][ T8301]  device_add+0x289/0x1aa0
[  500.836233][ T8301]  ? device_initialize+0x510/0x510
[  500.841358][ T8301]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  500.848222][ T8301]  ? __init_waitqueue_head+0xca/0x150
[  500.853606][ T8301]  netdev_register_kobject+0x183/0x3f0
[  500.859077][ T8301]  register_netdevice+0xbe6/0x14b0
[  500.864194][ T8301]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  500.870092][ T8301]  ? validate_linkmsg+0x6fc/0x9c0
[  500.875125][ T8301]  br_dev_newlink+0x27/0x110
[  500.879713][ T8301]  ? br_changelink+0x1760/0x1760
[  500.884644][ T8301]  __rtnl_newlink+0x1173/0x1930
[  500.889525][ T8301]  ? rtnl_link_unregister+0x260/0x260
[  500.894918][ T8301]  rtnl_newlink+0x67/0xa0
[  500.899275][ T8301]  ? __rtnl_newlink+0x1930/0x1930
[  500.904297][ T8301]  rtnetlink_rcv_msg+0x3c7/0xe00
[  500.909232][ T8301]  ? rtnl_fill_vf+0x4a0/0x4a0
[  500.913904][ T8301]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  500.919883][ T8301]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  500.925867][ T8301]  netlink_rcv_skb+0x16b/0x440
[  500.930635][ T8301]  ? rtnl_fill_vf+0x4a0/0x4a0
[  500.935312][ T8301]  ? netlink_ack+0x1380/0x1380
[  500.940072][ T8301]  ? lock_sync+0x190/0x190
[  500.944504][ T8301]  ? netlink_deliver_tap+0x1a0/0xd00
[  500.949786][ T8301]  ? _copy_from_iter+0x2c1/0x10f0
[  500.954819][ T8301]  netlink_unicast+0x53b/0x810
[  500.959587][ T8301]  ? netlink_attachskb+0x880/0x880
[  500.964700][ T8301]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  500.970591][ T8301]  ? __phys_addr_symbol+0x30/0x70
[  500.975619][ T8301]  ? __check_object_size+0x323/0x730
[  500.980905][ T8301]  netlink_sendmsg+0x93c/0xe40
[  500.985672][ T8301]  ? netlink_unicast+0x810/0x810
[  500.990616][ T8301]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  500.995903][ T8301]  ? netlink_unicast+0x810/0x810
[  501.000872][ T8301]  __sock_sendmsg+0xd5/0x180
[  501.005459][ T8301]  ____sys_sendmsg+0x6ac/0x940
[  501.010220][ T8301]  ? copy_msghdr_from_user+0x10b/0x160
[  501.015678][ T8301]  ? kernel_sendmsg+0x50/0x50
[  501.020356][ T8301]  ___sys_sendmsg+0x135/0x1d0
[  501.025036][ T8301]  ? do_recvmmsg+0x740/0x740
[  501.029626][ T8301]  ? find_held_lock+0x2d/0x110
[  501.034397][ T8301]  ? preempt_count_sub+0x160/0x160
[  501.039515][ T8301]  ? __fget_light+0x1fc/0x260
[  501.044196][ T8301]  __sys_sendmsg+0x117/0x1e0
[  501.048800][ T8301]  ? __sys_sendmsg_sock+0x30/0x30
[  501.053851][ T8301]  ? syscall_enter_from_user_mode+0x7f/0x120
[  501.059843][ T8301]  do_syscall_64+0x40/0x110
[  501.064374][ T8301]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  501.070290][ T8301] RIP: 0033:0x7ff3fd6020b9
[  501.074706][ T8301] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  501.094318][ T8301] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  501.102731][ T8301] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  501.110703][ T8301] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  501.118668][ T8301] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  501.126640][ T8301] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  501.134611][ T8301] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  501.142586][ T8301]  </TASK>
[  501.146400][ T1226] ieee802154 phy0 wpan0: encryption failed: -22
[  501.153886][ T1226] ieee802154 phy1 wpan1: encryption failed: -22
[  501.179223][ T8301] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  501.252297][ T8302] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  501.263819][ T8302] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  501.274448][ T8302] CPU: 1 PID: 8302 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  501.284983][ T8302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  501.295043][ T8302] Call Trace:
[  501.298323][ T8302]  <TASK>
[  501.301253][ T8302]  dump_stack_lvl+0x125/0x1b0
[  501.305936][ T8302]  sysfs_warn_dup+0x7f/0xa0
[  501.310443][ T8302]  sysfs_create_dir_ns+0x249/0x2b0
[  501.315561][ T8302]  ? sysfs_create_mount_point+0xb0/0xb0
[  501.321114][ T8302]  ? spin_bug+0x1d0/0x1d0
[  501.325443][ T8302]  ? net_namespace+0x12/0x40
[  501.330033][ T8302]  ? device_namespace+0x8d/0xc0
[  501.334897][ T8302]  kobject_add_internal+0x2c8/0x970
[  501.340100][ T8302]  kobject_add+0x16f/0x240
[  501.344514][ T8302]  ? kset_create_and_add+0x190/0x190
[  501.349800][ T8302]  ? do_raw_spin_unlock+0x173/0x230
[  501.354993][ T8302]  ? kobject_put+0xbe/0x440
[  501.359503][ T8302]  ? device_add+0xc35/0x1aa0
[  501.364093][ T8302]  device_add+0x289/0x1aa0
[  501.368509][ T8302]  ? device_initialize+0x510/0x510
[  501.373613][ T8302]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  501.380460][ T8302]  ? __init_waitqueue_head+0xca/0x150
[  501.385844][ T8302]  netdev_register_kobject+0x183/0x3f0
[  501.391310][ T8302]  register_netdevice+0xbe6/0x14b0
[  501.396423][ T8302]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  501.402489][ T8302]  ? validate_linkmsg+0x6fc/0x9c0
[  501.407515][ T8302]  br_dev_newlink+0x27/0x110
[  501.412102][ T8302]  ? br_changelink+0x1760/0x1760
[  501.417034][ T8302]  __rtnl_newlink+0x1173/0x1930
[  501.421894][ T8302]  ? rtnl_link_unregister+0x260/0x260
[  501.427280][ T8302]  rtnl_newlink+0x67/0xa0
[  501.431610][ T8302]  ? __rtnl_newlink+0x1930/0x1930
[  501.436633][ T8302]  rtnetlink_rcv_msg+0x3c7/0xe00
[  501.441571][ T8302]  ? rtnl_fill_vf+0x4a0/0x4a0
[  501.446242][ T8302]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  501.452223][ T8302]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  501.458211][ T8302]  netlink_rcv_skb+0x16b/0x440
[  501.462974][ T8302]  ? rtnl_fill_vf+0x4a0/0x4a0
[  501.467650][ T8302]  ? netlink_ack+0x1380/0x1380
[  501.472412][ T8302]  ? lock_sync+0x190/0x190
[  501.476868][ T8302]  ? netlink_deliver_tap+0x1a0/0xd00
[  501.482150][ T8302]  ? _copy_from_iter+0x2c1/0x10f0
[  501.487175][ T8302]  netlink_unicast+0x53b/0x810
[  501.491942][ T8302]  ? netlink_attachskb+0x880/0x880
[  501.497052][ T8302]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  501.502940][ T8302]  ? __phys_addr_symbol+0x30/0x70
[  501.507964][ T8302]  ? __check_object_size+0x323/0x730
[  501.513250][ T8302]  netlink_sendmsg+0x93c/0xe40
[  501.518016][ T8302]  ? netlink_unicast+0x810/0x810
[  501.522957][ T8302]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  501.528244][ T8302]  ? netlink_unicast+0x810/0x810
[  501.533180][ T8302]  __sock_sendmsg+0xd5/0x180
[  501.537767][ T8302]  ____sys_sendmsg+0x6ac/0x940
[  501.542528][ T8302]  ? copy_msghdr_from_user+0x10b/0x160
[  501.547983][ T8302]  ? kernel_sendmsg+0x50/0x50
[  501.552664][ T8302]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  501.558647][ T8302]  ___sys_sendmsg+0x135/0x1d0
[  501.563325][ T8302]  ? do_recvmmsg+0x740/0x740
[  501.567913][ T8302]  ? find_held_lock+0x2d/0x110
[  501.572683][ T8302]  ? preempt_count_sub+0x160/0x160
[  501.577799][ T8302]  ? __fget_light+0x1fc/0x260
[  501.582475][ T8302]  __sys_sendmsg+0x117/0x1e0
[  501.587066][ T8302]  ? __sys_sendmsg_sock+0x30/0x30
[  501.592101][ T8302]  ? syscall_enter_from_user_mode+0x7f/0x120
[  501.598084][ T8302]  do_syscall_64+0x40/0x110
[  501.602669][ T8302]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  501.608562][ T8302] RIP: 0033:0x7ff3fd6020b9
[  501.612967][ T8302] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  501.632574][ T8302] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  501.640982][ T8302] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  501.648947][ T8302] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  501.656909][ T8302] RBP: 000000000007a1ed R08: 0000000000000000 R09: 0000000000000006
[  501.664871][ T8302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  501.672834][ T8302] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  501.680811][ T8302]  </TASK>
[  501.693769][ T8302] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  501.743011][ T8302] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  501.752283][ T8302] CPU: 0 PID: 8302 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  501.762724][ T8302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  501.772779][ T8302] Call Trace:
[  501.776045][ T8302]  <TASK>
[  501.778957][ T8302]  dump_stack_lvl+0x125/0x1b0
[  501.783623][ T8302]  sysfs_warn_dup+0x7f/0xa0
[  501.788115][ T8302]  sysfs_create_dir_ns+0x249/0x2b0
[  501.793216][ T8302]  ? sysfs_create_mount_point+0xb0/0xb0
[  501.798764][ T8302]  ? spin_bug+0x1d0/0x1d0
[  501.803090][ T8302]  ? net_namespace+0x12/0x40
[  501.807678][ T8302]  ? device_namespace+0x8d/0xc0
[  501.812531][ T8302]  kobject_add_internal+0x2c8/0x970
[  501.817730][ T8302]  kobject_add+0x16f/0x240
[  501.822143][ T8302]  ? kset_create_and_add+0x190/0x190
[  501.827427][ T8302]  ? do_raw_spin_unlock+0x173/0x230
[  501.832620][ T8302]  ? kobject_put+0xbe/0x440
[  501.837124][ T8302]  ? device_add+0xc35/0x1aa0
[  501.841719][ T8302]  device_add+0x289/0x1aa0
[  501.846137][ T8302]  ? device_initialize+0x510/0x510
[  501.851242][ T8302]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  501.858093][ T8302]  ? __init_waitqueue_head+0xca/0x150
[  501.863472][ T8302]  netdev_register_kobject+0x183/0x3f0
[  501.868936][ T8302]  register_netdevice+0xbe6/0x14b0
[  501.874048][ T8302]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  501.879940][ T8302]  ? validate_linkmsg+0x6fc/0x9c0
[  501.884961][ T8302]  br_dev_newlink+0x27/0x110
[  501.889552][ T8302]  ? br_changelink+0x1760/0x1760
[  501.894486][ T8302]  __rtnl_newlink+0x1173/0x1930
[  501.899343][ T8302]  ? rtnl_link_unregister+0x260/0x260
[  501.904729][ T8302]  rtnl_newlink+0x67/0xa0
[  501.909055][ T8302]  ? __rtnl_newlink+0x1930/0x1930
[  501.914073][ T8302]  rtnetlink_rcv_msg+0x3c7/0xe00
[  501.919008][ T8302]  ? rtnl_fill_vf+0x4a0/0x4a0
[  501.923682][ T8302]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  501.929667][ T8302]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  501.935657][ T8302]  netlink_rcv_skb+0x16b/0x440
[  501.940426][ T8302]  ? rtnl_fill_vf+0x4a0/0x4a0
[  501.945102][ T8302]  ? netlink_ack+0x1380/0x1380
[  501.949864][ T8302]  ? lock_sync+0x190/0x190
[  501.954292][ T8302]  ? netlink_deliver_tap+0x1a0/0xd00
[  501.959576][ T8302]  ? _copy_from_iter+0x2c1/0x10f0
[  501.964609][ T8302]  netlink_unicast+0x53b/0x810
[  501.969381][ T8302]  ? netlink_attachskb+0x880/0x880
[  501.974489][ T8302]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  501.980379][ T8302]  ? __phys_addr_symbol+0x30/0x70
[  501.985402][ T8302]  ? __check_object_size+0x323/0x730
[  501.990689][ T8302]  netlink_sendmsg+0x93c/0xe40
[  501.995507][ T8302]  ? netlink_unicast+0x810/0x810
[  502.000465][ T8302]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  502.005747][ T8302]  ? netlink_unicast+0x810/0x810
[  502.010686][ T8302]  __sock_sendmsg+0xd5/0x180
[  502.015274][ T8302]  ____sys_sendmsg+0x6ac/0x940
[  502.020031][ T8302]  ? copy_msghdr_from_user+0x10b/0x160
[  502.025489][ T8302]  ? kernel_sendmsg+0x50/0x50
[  502.030169][ T8302]  ___sys_sendmsg+0x135/0x1d0
[  502.034848][ T8302]  ? do_recvmmsg+0x740/0x740
[  502.039436][ T8302]  ? find_held_lock+0x2d/0x110
[  502.044205][ T8302]  ? preempt_count_sub+0x160/0x160
[  502.049316][ T8302]  ? __fget_light+0x1fc/0x260
[  502.053988][ T8302]  __sys_sendmsg+0x117/0x1e0
[  502.058577][ T8302]  ? __sys_sendmsg_sock+0x30/0x30
[  502.063609][ T8302]  ? syscall_enter_from_user_mode+0x7f/0x120
[  502.069598][ T8302]  do_syscall_64+0x40/0x110
[  502.074098][ T8302]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  502.079993][ T8302] RIP: 0033:0x7ff3fd6020b9
[  502.084400][ T8302] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  502.104019][ T8302] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  502.112449][ T8302] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  502.120426][ T8302] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  502.128395][ T8302] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  502.136369][ T8302] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  502.144334][ T8302] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  502.152314][ T8302]  </TASK>
[  502.155489][ T8302] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  502.197640][ T8303] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  502.207773][ T8303] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  502.217111][ T8303] CPU: 1 PID: 8303 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  502.227541][ T8303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  502.237584][ T8303] Call Trace:
[  502.240857][ T8303]  <TASK>
[  502.243802][ T8303]  dump_stack_lvl+0x125/0x1b0
[  502.248503][ T8303]  sysfs_warn_dup+0x7f/0xa0
[  502.253000][ T8303]  sysfs_create_dir_ns+0x249/0x2b0
[  502.258105][ T8303]  ? sysfs_create_mount_point+0xb0/0xb0
[  502.263643][ T8303]  ? spin_bug+0x1d0/0x1d0
[  502.267980][ T8303]  ? net_namespace+0x12/0x40
[  502.272591][ T8303]  ? device_namespace+0x8d/0xc0
[  502.277439][ T8303]  kobject_add_internal+0x2c8/0x970
[  502.282635][ T8303]  kobject_add+0x16f/0x240
[  502.287045][ T8303]  ? kset_create_and_add+0x190/0x190
[  502.292322][ T8303]  ? do_raw_spin_unlock+0x173/0x230
[  502.297518][ T8303]  ? kobject_put+0xbe/0x440
[  502.302015][ T8303]  ? device_add+0xc35/0x1aa0
[  502.306605][ T8303]  device_add+0x289/0x1aa0
[  502.311018][ T8303]  ? device_initialize+0x510/0x510
[  502.316120][ T8303]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  502.322961][ T8303]  ? __init_waitqueue_head+0xca/0x150
[  502.328329][ T8303]  netdev_register_kobject+0x183/0x3f0
[  502.333785][ T8303]  register_netdevice+0xbe6/0x14b0
[  502.338895][ T8303]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  502.344783][ T8303]  ? validate_linkmsg+0x6fc/0x9c0
[  502.349802][ T8303]  br_dev_newlink+0x27/0x110
[  502.354387][ T8303]  ? br_changelink+0x1760/0x1760
[  502.359318][ T8303]  __rtnl_newlink+0x1173/0x1930
[  502.364198][ T8303]  ? rtnl_link_unregister+0x260/0x260
[  502.369573][ T8303]  rtnl_newlink+0x67/0xa0
[  502.373893][ T8303]  ? __rtnl_newlink+0x1930/0x1930
[  502.378912][ T8303]  rtnetlink_rcv_msg+0x3c7/0xe00
[  502.383842][ T8303]  ? rtnl_fill_vf+0x4a0/0x4a0
[  502.388511][ T8303]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  502.394487][ T8303]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  502.400497][ T8303]  netlink_rcv_skb+0x16b/0x440
[  502.405254][ T8303]  ? rtnl_fill_vf+0x4a0/0x4a0
[  502.409922][ T8303]  ? netlink_ack+0x1380/0x1380
[  502.414681][ T8303]  ? lock_sync+0x190/0x190
[  502.419098][ T8303]  ? netlink_deliver_tap+0x1a0/0xd00
[  502.424374][ T8303]  ? _copy_from_iter+0x2c1/0x10f0
[  502.429393][ T8303]  netlink_unicast+0x53b/0x810
[  502.434150][ T8303]  ? netlink_attachskb+0x880/0x880
[  502.439254][ T8303]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  502.445139][ T8303]  ? __phys_addr_symbol+0x30/0x70
[  502.450152][ T8303]  ? __check_object_size+0x323/0x730
[  502.455428][ T8303]  netlink_sendmsg+0x93c/0xe40
[  502.460194][ T8303]  ? netlink_unicast+0x810/0x810
[  502.465123][ T8303]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  502.470398][ T8303]  ? netlink_unicast+0x810/0x810
[  502.475328][ T8303]  __sock_sendmsg+0xd5/0x180
[  502.479929][ T8303]  ____sys_sendmsg+0x6ac/0x940
[  502.484698][ T8303]  ? copy_msghdr_from_user+0x10b/0x160
[  502.490150][ T8303]  ? kernel_sendmsg+0x50/0x50
[  502.494820][ T8303]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  502.500795][ T8303]  ___sys_sendmsg+0x135/0x1d0
[  502.505473][ T8303]  ? do_recvmmsg+0x740/0x740
[  502.510056][ T8303]  ? find_held_lock+0x2d/0x110
[  502.514819][ T8303]  ? preempt_count_sub+0x160/0x160
[  502.519926][ T8303]  ? __fget_light+0x1fc/0x260
[  502.524595][ T8303]  __sys_sendmsg+0x117/0x1e0
[  502.529179][ T8303]  ? __sys_sendmsg_sock+0x30/0x30
[  502.534195][ T8303]  ? xfd_validate_state+0x5d/0x180
[  502.539336][ T8303]  ? syscall_enter_from_user_mode+0x7f/0x120
[  502.545319][ T8303]  do_syscall_64+0x40/0x110
[  502.549851][ T8303]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  502.555739][ T8303] RIP: 0033:0x7ff3fd6020b9
[  502.560141][ T8303] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  502.579761][ T8303] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  502.588175][ T8303] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  502.596137][ T8303] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  502.604107][ T8303] RBP: 000000000007a5e4 R08: 0000000000000000 R09: 0000000000000006
[  502.612090][ T8303] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  502.620047][ T8303] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  502.628015][ T8303]  </TASK>
[  502.632906][ T8303] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  502.753226][ T8303] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  502.762646][ T8303] CPU: 1 PID: 8303 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  502.773065][ T8303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  502.783115][ T8303] Call Trace:
[  502.786392][ T8303]  <TASK>
[  502.789319][ T8303]  dump_stack_lvl+0x125/0x1b0
[  502.794062][ T8303]  sysfs_warn_dup+0x7f/0xa0
[  502.798578][ T8303]  sysfs_create_dir_ns+0x249/0x2b0
[  502.803694][ T8303]  ? sysfs_create_mount_point+0xb0/0xb0
[  502.809327][ T8303]  ? spin_bug+0x1d0/0x1d0
[  502.813657][ T8303]  ? net_namespace+0x12/0x40
[  502.818242][ T8303]  ? device_namespace+0x8d/0xc0
[  502.823101][ T8303]  kobject_add_internal+0x2c8/0x970
[  502.828306][ T8303]  kobject_add+0x16f/0x240
[  502.832723][ T8303]  ? kset_create_and_add+0x190/0x190
[  502.838009][ T8303]  ? do_raw_spin_unlock+0x173/0x230
[  502.843202][ T8303]  ? kobject_put+0xbe/0x440
[  502.847705][ T8303]  ? device_add+0xc35/0x1aa0
[  502.852298][ T8303]  device_add+0x289/0x1aa0
[  502.856719][ T8303]  ? device_initialize+0x510/0x510
[  502.861826][ T8303]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  502.868674][ T8303]  ? __init_waitqueue_head+0xca/0x150
[  502.874050][ T8303]  netdev_register_kobject+0x183/0x3f0
[  502.879519][ T8303]  register_netdevice+0xbe6/0x14b0
[  502.884641][ T8303]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  502.890713][ T8303]  ? validate_linkmsg+0x6fc/0x9c0
[  502.895738][ T8303]  br_dev_newlink+0x27/0x110
[  502.900328][ T8303]  ? br_changelink+0x1760/0x1760
[  502.905263][ T8303]  __rtnl_newlink+0x1173/0x1930
[  502.910122][ T8303]  ? rtnl_link_unregister+0x260/0x260
[  502.915513][ T8303]  rtnl_newlink+0x67/0xa0
[  502.919840][ T8303]  ? __rtnl_newlink+0x1930/0x1930
[  502.924863][ T8303]  rtnetlink_rcv_msg+0x3c7/0xe00
[  502.929804][ T8303]  ? rtnl_fill_vf+0x4a0/0x4a0
[  502.934483][ T8303]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  502.940473][ T8303]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  502.946481][ T8303]  netlink_rcv_skb+0x16b/0x440
[  502.951252][ T8303]  ? rtnl_fill_vf+0x4a0/0x4a0
[  502.955929][ T8303]  ? netlink_ack+0x1380/0x1380
[  502.960690][ T8303]  ? lock_sync+0x190/0x190
[  502.965116][ T8303]  ? netlink_deliver_tap+0x1a0/0xd00
[  502.970398][ T8303]  ? _copy_from_iter+0x2c1/0x10f0
[  502.975429][ T8303]  netlink_unicast+0x53b/0x810
[  502.980198][ T8303]  ? netlink_attachskb+0x880/0x880
[  502.985313][ T8303]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  502.991211][ T8303]  ? __phys_addr_symbol+0x30/0x70
[  502.996232][ T8303]  ? __check_object_size+0x323/0x730
[  503.001518][ T8303]  netlink_sendmsg+0x93c/0xe40
[  503.006290][ T8303]  ? netlink_unicast+0x810/0x810
[  503.011236][ T8303]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  503.016522][ T8303]  ? netlink_unicast+0x810/0x810
[  503.021462][ T8303]  __sock_sendmsg+0xd5/0x180
[  503.026051][ T8303]  ____sys_sendmsg+0x6ac/0x940
[  503.030814][ T8303]  ? copy_msghdr_from_user+0x10b/0x160
[  503.036272][ T8303]  ? kernel_sendmsg+0x50/0x50
[  503.040952][ T8303]  ___sys_sendmsg+0x135/0x1d0
[  503.045635][ T8303]  ? do_recvmmsg+0x740/0x740
[  503.050221][ T8303]  ? find_held_lock+0x2d/0x110
[  503.054989][ T8303]  ? preempt_count_sub+0x160/0x160
[  503.060105][ T8303]  ? __fget_light+0x1fc/0x260
[  503.064779][ T8303]  __sys_sendmsg+0x117/0x1e0
[  503.069370][ T8303]  ? __sys_sendmsg_sock+0x30/0x30
[  503.074405][ T8303]  ? syscall_enter_from_user_mode+0x7f/0x120
[  503.080388][ T8303]  do_syscall_64+0x40/0x110
[  503.084889][ T8303]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  503.090786][ T8303] RIP: 0033:0x7ff3fd6020b9
[  503.095198][ T8303] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  503.114822][ T8303] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  503.123272][ T8303] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  503.131240][ T8303] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  503.139230][ T8303] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  503.147207][ T8303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  503.155171][ T8303] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  503.163145][ T8303]  </TASK>
[  503.167130][ T8303] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.228048][ T8304] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  503.238395][ T8304] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  503.247613][ T8304] CPU: 0 PID: 8304 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  503.258052][ T8304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  503.268096][ T8304] Call Trace:
[  503.271365][ T8304]  <TASK>
[  503.274307][ T8304]  dump_stack_lvl+0x125/0x1b0
[  503.278986][ T8304]  sysfs_warn_dup+0x7f/0xa0
[  503.283522][ T8304]  sysfs_create_dir_ns+0x249/0x2b0
[  503.288624][ T8304]  ? sysfs_create_mount_point+0xb0/0xb0
[  503.294160][ T8304]  ? spin_bug+0x1d0/0x1d0
[  503.298482][ T8304]  ? net_namespace+0x12/0x40
[  503.303067][ T8304]  ? device_namespace+0x8d/0xc0
[  503.307925][ T8304]  kobject_add_internal+0x2c8/0x970
[  503.313130][ T8304]  kobject_add+0x16f/0x240
[  503.317547][ T8304]  ? kset_create_and_add+0x190/0x190
[  503.322833][ T8304]  ? do_raw_spin_unlock+0x173/0x230
[  503.328026][ T8304]  ? kobject_put+0xbe/0x440
[  503.332530][ T8304]  ? device_add+0xc35/0x1aa0
[  503.337119][ T8304]  device_add+0x289/0x1aa0
[  503.341536][ T8304]  ? device_initialize+0x510/0x510
[  503.346639][ T8304]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  503.353489][ T8304]  ? __init_waitqueue_head+0xca/0x150
[  503.358865][ T8304]  netdev_register_kobject+0x183/0x3f0
[  503.364329][ T8304]  register_netdevice+0xbe6/0x14b0
[  503.369439][ T8304]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  503.375331][ T8304]  ? validate_linkmsg+0x6fc/0x9c0
[  503.380350][ T8304]  br_dev_newlink+0x27/0x110
[  503.384938][ T8304]  ? br_changelink+0x1760/0x1760
[  503.389870][ T8304]  __rtnl_newlink+0x1173/0x1930
[  503.394725][ T8304]  ? rtnl_link_unregister+0x260/0x260
[  503.400109][ T8304]  rtnl_newlink+0x67/0xa0
[  503.404435][ T8304]  ? __rtnl_newlink+0x1930/0x1930
[  503.409455][ T8304]  rtnetlink_rcv_msg+0x3c7/0xe00
[  503.414414][ T8304]  ? rtnl_fill_vf+0x4a0/0x4a0
[  503.419107][ T8304]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  503.425090][ T8304]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  503.431079][ T8304]  netlink_rcv_skb+0x16b/0x440
[  503.435843][ T8304]  ? rtnl_fill_vf+0x4a0/0x4a0
[  503.440514][ T8304]  ? netlink_ack+0x1380/0x1380
[  503.445278][ T8304]  ? lock_sync+0x190/0x190
[  503.449702][ T8304]  ? netlink_deliver_tap+0x1a0/0xd00
[  503.454989][ T8304]  ? _copy_from_iter+0x2c1/0x10f0
[  503.460023][ T8304]  netlink_unicast+0x53b/0x810
[  503.464792][ T8304]  ? netlink_attachskb+0x880/0x880
[  503.469904][ T8304]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  503.475792][ T8304]  ? __phys_addr_symbol+0x30/0x70
[  503.480812][ T8304]  ? __check_object_size+0x323/0x730
[  503.486097][ T8304]  netlink_sendmsg+0x93c/0xe40
[  503.490872][ T8304]  ? netlink_unicast+0x810/0x810
[  503.495814][ T8304]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  503.501099][ T8304]  ? netlink_unicast+0x810/0x810
[  503.506037][ T8304]  __sock_sendmsg+0xd5/0x180
[  503.510627][ T8304]  ____sys_sendmsg+0x6ac/0x940
[  503.515395][ T8304]  ? copy_msghdr_from_user+0x10b/0x160
[  503.520859][ T8304]  ? kernel_sendmsg+0x50/0x50
[  503.525535][ T8304]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  503.531518][ T8304]  ___sys_sendmsg+0x135/0x1d0
[  503.536198][ T8304]  ? do_recvmmsg+0x740/0x740
[  503.540819][ T8304]  ? find_held_lock+0x2d/0x110
[  503.545587][ T8304]  ? preempt_count_sub+0x160/0x160
[  503.550701][ T8304]  ? __fget_light+0x1fc/0x260
[  503.555373][ T8304]  __sys_sendmsg+0x117/0x1e0
[  503.559963][ T8304]  ? __sys_sendmsg_sock+0x30/0x30
[  503.564985][ T8304]  ? xfd_validate_state+0x5d/0x180
[  503.570113][ T8304]  ? syscall_enter_from_user_mode+0x7f/0x120
[  503.576097][ T8304]  do_syscall_64+0x40/0x110
[  503.580598][ T8304]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  503.586499][ T8304] RIP: 0033:0x7ff3fd6020b9
[  503.590909][ T8304] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  503.610515][ T8304] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  503.618921][ T8304] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  503.626886][ T8304] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  503.634847][ T8304] RBP: 000000000007a99f R08: 0000000000000000 R09: 0000000000000006
[  503.642806][ T8304] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  503.650769][ T8304] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  503.658741][ T8304]  </TASK>
[  503.662461][ T8304] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  503.733654][ T8304] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  503.742859][ T8304] CPU: 1 PID: 8304 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  503.753274][ T8304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  503.763317][ T8304] Call Trace:
[  503.766610][ T8304]  <TASK>
[  503.769544][ T8304]  dump_stack_lvl+0x125/0x1b0
[  503.774241][ T8304]  sysfs_warn_dup+0x7f/0xa0
[  503.778738][ T8304]  sysfs_create_dir_ns+0x249/0x2b0
[  503.783846][ T8304]  ? sysfs_create_mount_point+0xb0/0xb0
[  503.789382][ T8304]  ? spin_bug+0x1d0/0x1d0
[  503.793730][ T8304]  ? net_namespace+0x12/0x40
[  503.798309][ T8304]  ? device_namespace+0x8d/0xc0
[  503.803175][ T8304]  kobject_add_internal+0x2c8/0x970
[  503.808387][ T8304]  kobject_add+0x16f/0x240
[  503.812858][ T8304]  ? kset_create_and_add+0x190/0x190
[  503.818163][ T8304]  ? do_raw_spin_unlock+0x173/0x230
[  503.823350][ T8304]  ? kobject_put+0xbe/0x440
[  503.827842][ T8304]  ? device_add+0xc35/0x1aa0
[  503.832423][ T8304]  device_add+0x289/0x1aa0
[  503.836843][ T8304]  ? device_initialize+0x510/0x510
[  503.841942][ T8304]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  503.848783][ T8304]  ? __init_waitqueue_head+0xca/0x150
[  503.854150][ T8304]  netdev_register_kobject+0x183/0x3f0
[  503.859623][ T8304]  register_netdevice+0xbe6/0x14b0
[  503.864737][ T8304]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  503.870627][ T8304]  ? validate_linkmsg+0x6fc/0x9c0
[  503.875669][ T8304]  br_dev_newlink+0x27/0x110
[  503.880256][ T8304]  ? br_changelink+0x1760/0x1760
[  503.885203][ T8304]  __rtnl_newlink+0x1173/0x1930
[  503.890077][ T8304]  ? rtnl_link_unregister+0x260/0x260
[  503.895467][ T8304]  rtnl_newlink+0x67/0xa0
[  503.899797][ T8304]  ? __rtnl_newlink+0x1930/0x1930
[  503.904819][ T8304]  rtnetlink_rcv_msg+0x3c7/0xe00
[  503.909773][ T8304]  ? rtnl_fill_vf+0x4a0/0x4a0
[  503.914440][ T8304]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  503.920428][ T8304]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  503.926420][ T8304]  netlink_rcv_skb+0x16b/0x440
[  503.931226][ T8304]  ? rtnl_fill_vf+0x4a0/0x4a0
[  503.935914][ T8304]  ? netlink_ack+0x1380/0x1380
[  503.940683][ T8304]  ? lock_sync+0x190/0x190
[  503.945132][ T8304]  ? netlink_deliver_tap+0x1a0/0xd00
[  503.950472][ T8304]  ? _copy_from_iter+0x2c1/0x10f0
[  503.955520][ T8304]  netlink_unicast+0x53b/0x810
[  503.960292][ T8304]  ? netlink_attachskb+0x880/0x880
[  503.965403][ T8304]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  503.971295][ T8304]  ? __phys_addr_symbol+0x30/0x70
[  503.976325][ T8304]  ? __check_object_size+0x323/0x730
[  503.981630][ T8304]  netlink_sendmsg+0x93c/0xe40
[  503.986405][ T8304]  ? netlink_unicast+0x810/0x810
[  503.991342][ T8304]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  503.996618][ T8304]  ? netlink_unicast+0x810/0x810
[  504.001553][ T8304]  __sock_sendmsg+0xd5/0x180
[  504.006137][ T8304]  ____sys_sendmsg+0x6ac/0x940
[  504.010922][ T8304]  ? copy_msghdr_from_user+0x10b/0x160
[  504.016378][ T8304]  ? kernel_sendmsg+0x50/0x50
[  504.021055][ T8304]  ___sys_sendmsg+0x135/0x1d0
[  504.025730][ T8304]  ? do_recvmmsg+0x740/0x740
[  504.030312][ T8304]  ? find_held_lock+0x2d/0x110
[  504.035080][ T8304]  ? preempt_count_sub+0x160/0x160
[  504.040187][ T8304]  ? __fget_light+0x1fc/0x260
[  504.044855][ T8304]  __sys_sendmsg+0x117/0x1e0
[  504.049438][ T8304]  ? __sys_sendmsg_sock+0x30/0x30
[  504.054464][ T8304]  ? syscall_enter_from_user_mode+0x7f/0x120
[  504.060440][ T8304]  do_syscall_64+0x40/0x110
[  504.064937][ T8304]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  504.070827][ T8304] RIP: 0033:0x7ff3fd6020b9
[  504.075227][ T8304] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  504.094823][ T8304] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  504.103224][ T8304] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  504.111183][ T8304] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  504.119140][ T8304] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  504.127097][ T8304] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  504.135057][ T8304] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  504.143038][ T8304]  </TASK>
[  504.148256][ T8304] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  504.207255][ T8305] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  504.217909][ T8305] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  504.227076][ T8305] CPU: 1 PID: 8305 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  504.237511][ T8305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  504.247561][ T8305] Call Trace:
[  504.250841][ T8305]  <TASK>
[  504.253764][ T8305]  dump_stack_lvl+0x125/0x1b0
[  504.258438][ T8305]  sysfs_warn_dup+0x7f/0xa0
[  504.262939][ T8305]  sysfs_create_dir_ns+0x249/0x2b0
[  504.268048][ T8305]  ? sysfs_create_mount_point+0xb0/0xb0
[  504.273595][ T8305]  ? spin_bug+0x1d0/0x1d0
[  504.277921][ T8305]  ? net_namespace+0x12/0x40
[  504.282514][ T8305]  ? device_namespace+0x8d/0xc0
[  504.287362][ T8305]  kobject_add_internal+0x2c8/0x970
[  504.292560][ T8305]  kobject_add+0x16f/0x240
[  504.296971][ T8305]  ? kset_create_and_add+0x190/0x190
[  504.302258][ T8305]  ? do_raw_spin_unlock+0x173/0x230
[  504.307446][ T8305]  ? kobject_put+0xbe/0x440
[  504.311974][ T8305]  ? device_add+0xc35/0x1aa0
[  504.316564][ T8305]  device_add+0x289/0x1aa0
[  504.320973][ T8305]  ? device_initialize+0x510/0x510
[  504.326076][ T8305]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  504.332949][ T8305]  ? __init_waitqueue_head+0xca/0x150
[  504.338317][ T8305]  netdev_register_kobject+0x183/0x3f0
[  504.343776][ T8305]  register_netdevice+0xbe6/0x14b0
[  504.348883][ T8305]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  504.354767][ T8305]  ? validate_linkmsg+0x6fc/0x9c0
[  504.359810][ T8305]  br_dev_newlink+0x27/0x110
[  504.364394][ T8305]  ? br_changelink+0x1760/0x1760
[  504.369320][ T8305]  __rtnl_newlink+0x1173/0x1930
[  504.374167][ T8305]  ? rtnl_link_unregister+0x260/0x260
[  504.379567][ T8305]  rtnl_newlink+0x67/0xa0
[  504.383914][ T8305]  ? __rtnl_newlink+0x1930/0x1930
[  504.388927][ T8305]  rtnetlink_rcv_msg+0x3c7/0xe00
[  504.393892][ T8305]  ? rtnl_fill_vf+0x4a0/0x4a0
[  504.398559][ T8305]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  504.404548][ T8305]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  504.410533][ T8305]  netlink_rcv_skb+0x16b/0x440
[  504.415288][ T8305]  ? rtnl_fill_vf+0x4a0/0x4a0
[  504.419958][ T8305]  ? netlink_ack+0x1380/0x1380
[  504.424718][ T8305]  ? lock_sync+0x190/0x190
[  504.429134][ T8305]  ? netlink_deliver_tap+0x1a0/0xd00
[  504.434420][ T8305]  ? _copy_from_iter+0x2c1/0x10f0
[  504.439470][ T8305]  netlink_unicast+0x53b/0x810
[  504.444230][ T8305]  ? netlink_attachskb+0x880/0x880
[  504.449362][ T8305]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  504.455244][ T8305]  ? __phys_addr_symbol+0x30/0x70
[  504.460258][ T8305]  ? __check_object_size+0x323/0x730
[  504.465545][ T8305]  netlink_sendmsg+0x93c/0xe40
[  504.470313][ T8305]  ? netlink_unicast+0x810/0x810
[  504.475244][ T8305]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  504.480521][ T8305]  ? netlink_unicast+0x810/0x810
[  504.485468][ T8305]  __sock_sendmsg+0xd5/0x180
[  504.490070][ T8305]  ____sys_sendmsg+0x6ac/0x940
[  504.494828][ T8305]  ? copy_msghdr_from_user+0x10b/0x160
[  504.500277][ T8305]  ? kernel_sendmsg+0x50/0x50
[  504.504971][ T8305]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  504.510962][ T8305]  ___sys_sendmsg+0x135/0x1d0
[  504.515658][ T8305]  ? do_recvmmsg+0x740/0x740
[  504.520238][ T8305]  ? find_held_lock+0x2d/0x110
[  504.524997][ T8305]  ? preempt_count_sub+0x160/0x160
[  504.530107][ T8305]  ? __fget_light+0x1fc/0x260
[  504.534774][ T8305]  __sys_sendmsg+0x117/0x1e0
[  504.539356][ T8305]  ? __sys_sendmsg_sock+0x30/0x30
[  504.544379][ T8305]  ? xfd_validate_state+0x5d/0x180
[  504.549522][ T8305]  ? syscall_enter_from_user_mode+0x7f/0x120
[  504.555496][ T8305]  do_syscall_64+0x40/0x110
[  504.559994][ T8305]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  504.565882][ T8305] RIP: 0033:0x7ff3fd6020b9
[  504.570284][ T8305] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  504.589897][ T8305] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  504.598292][ T8305] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  504.606249][ T8305] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  504.614215][ T8305] RBP: 000000000007ada5 R08: 0000000000000000 R09: 0000000000000006
[  504.622173][ T8305] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  504.630151][ T8305] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  504.638115][ T8305]  </TASK>
[  504.642565][ T8305] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  504.724238][ T8305] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  504.733489][ T8305] CPU: 1 PID: 8305 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  504.743922][ T8305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  504.753970][ T8305] Call Trace:
[  504.757240][ T8305]  <TASK>
[  504.760161][ T8305]  dump_stack_lvl+0x125/0x1b0
[  504.764834][ T8305]  sysfs_warn_dup+0x7f/0xa0
[  504.769329][ T8305]  sysfs_create_dir_ns+0x249/0x2b0
[  504.774436][ T8305]  ? sysfs_create_mount_point+0xb0/0xb0
[  504.779986][ T8305]  ? spin_bug+0x1d0/0x1d0
[  504.784313][ T8305]  ? net_namespace+0x12/0x40
[  504.788902][ T8305]  ? device_namespace+0x8d/0xc0
[  504.793785][ T8305]  kobject_add_internal+0x2c8/0x970
[  504.798989][ T8305]  kobject_add+0x16f/0x240
[  504.803402][ T8305]  ? kset_create_and_add+0x190/0x190
[  504.808686][ T8305]  ? do_raw_spin_unlock+0x173/0x230
[  504.813878][ T8305]  ? kobject_put+0xbe/0x440
[  504.818378][ T8305]  ? device_add+0xc35/0x1aa0
[  504.822967][ T8305]  device_add+0x289/0x1aa0
[  504.827380][ T8305]  ? device_initialize+0x510/0x510
[  504.832496][ T8305]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  504.839357][ T8305]  ? __init_waitqueue_head+0xca/0x150
[  504.844735][ T8305]  netdev_register_kobject+0x183/0x3f0
[  504.850199][ T8305]  register_netdevice+0xbe6/0x14b0
[  504.855313][ T8305]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  504.861204][ T8305]  ? validate_linkmsg+0x6fc/0x9c0
[  504.866225][ T8305]  br_dev_newlink+0x27/0x110
[  504.870987][ T8305]  ? br_changelink+0x1760/0x1760
[  504.875918][ T8305]  __rtnl_newlink+0x1173/0x1930
[  504.880787][ T8305]  ? rtnl_link_unregister+0x260/0x260
[  504.886185][ T8305]  rtnl_newlink+0x67/0xa0
[  504.890512][ T8305]  ? __rtnl_newlink+0x1930/0x1930
[  504.895533][ T8305]  rtnetlink_rcv_msg+0x3c7/0xe00
[  504.900478][ T8305]  ? rtnl_fill_vf+0x4a0/0x4a0
[  504.905154][ T8305]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  504.911136][ T8305]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  504.917118][ T8305]  netlink_rcv_skb+0x16b/0x440
[  504.921905][ T8305]  ? rtnl_fill_vf+0x4a0/0x4a0
[  504.926579][ T8305]  ? netlink_ack+0x1380/0x1380
[  504.931343][ T8305]  ? lock_sync+0x190/0x190
[  504.935769][ T8305]  ? netlink_deliver_tap+0x1a0/0xd00
[  504.941048][ T8305]  ? _copy_from_iter+0x2c1/0x10f0
[  504.946072][ T8305]  netlink_unicast+0x53b/0x810
[  504.950860][ T8305]  ? netlink_attachskb+0x880/0x880
[  504.955990][ T8305]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  504.961889][ T8305]  ? __phys_addr_symbol+0x30/0x70
[  504.966909][ T8305]  ? __check_object_size+0x323/0x730
[  504.972194][ T8305]  netlink_sendmsg+0x93c/0xe40
[  504.976973][ T8305]  ? netlink_unicast+0x810/0x810
[  504.981917][ T8305]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  504.987222][ T8305]  ? netlink_unicast+0x810/0x810
[  504.992157][ T8305]  __sock_sendmsg+0xd5/0x180
[  504.996744][ T8305]  ____sys_sendmsg+0x6ac/0x940
[  505.001504][ T8305]  ? copy_msghdr_from_user+0x10b/0x160
[  505.006961][ T8305]  ? kernel_sendmsg+0x50/0x50
[  505.011641][ T8305]  ___sys_sendmsg+0x135/0x1d0
[  505.016343][ T8305]  ? do_recvmmsg+0x740/0x740
[  505.020934][ T8305]  ? find_held_lock+0x2d/0x110
[  505.025703][ T8305]  ? preempt_count_sub+0x160/0x160
[  505.030819][ T8305]  ? __fget_light+0x1fc/0x260
[  505.035492][ T8305]  __sys_sendmsg+0x117/0x1e0
[  505.040078][ T8305]  ? __sys_sendmsg_sock+0x30/0x30
[  505.045109][ T8305]  ? syscall_enter_from_user_mode+0x7f/0x120
[  505.051092][ T8305]  do_syscall_64+0x40/0x110
[  505.055595][ T8305]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  505.061487][ T8305] RIP: 0033:0x7ff3fd6020b9
[  505.065893][ T8305] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  505.085520][ T8305] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  505.093934][ T8305] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  505.101897][ T8305] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  505.109862][ T8305] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  505.117850][ T8305] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  505.125815][ T8305] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  505.133793][ T8305]  </TASK>
[  505.137107][ T8305] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  505.208020][ T8306] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  505.218216][ T8306] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  505.227380][ T8306] CPU: 1 PID: 8306 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  505.237821][ T8306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  505.247863][ T8306] Call Trace:
[  505.251132][ T8306]  <TASK>
[  505.254059][ T8306]  dump_stack_lvl+0x125/0x1b0
[  505.258766][ T8306]  sysfs_warn_dup+0x7f/0xa0
[  505.263278][ T8306]  sysfs_create_dir_ns+0x249/0x2b0
[  505.268390][ T8306]  ? sysfs_create_mount_point+0xb0/0xb0
[  505.273931][ T8306]  ? spin_bug+0x1d0/0x1d0
[  505.278283][ T8306]  ? net_namespace+0x12/0x40
[  505.282873][ T8306]  ? device_namespace+0x8d/0xc0
[  505.287762][ T8306]  kobject_add_internal+0x2c8/0x970
[  505.292996][ T8306]  kobject_add+0x16f/0x240
[  505.297435][ T8306]  ? kset_create_and_add+0x190/0x190
[  505.302735][ T8306]  ? do_raw_spin_unlock+0x173/0x230
[  505.307934][ T8306]  ? kobject_put+0xbe/0x440
[  505.312444][ T8306]  ? device_add+0xc35/0x1aa0
[  505.317039][ T8306]  device_add+0x289/0x1aa0
[  505.321457][ T8306]  ? device_initialize+0x510/0x510
[  505.326571][ T8306]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  505.333420][ T8306]  ? __init_waitqueue_head+0xca/0x150
[  505.338798][ T8306]  netdev_register_kobject+0x183/0x3f0
[  505.344261][ T8306]  register_netdevice+0xbe6/0x14b0
[  505.349373][ T8306]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  505.355267][ T8306]  ? validate_linkmsg+0x6fc/0x9c0
[  505.360292][ T8306]  br_dev_newlink+0x27/0x110
[  505.364905][ T8306]  ? br_changelink+0x1760/0x1760
[  505.369842][ T8306]  __rtnl_newlink+0x1173/0x1930
[  505.374706][ T8306]  ? rtnl_link_unregister+0x260/0x260
[  505.380093][ T8306]  rtnl_newlink+0x67/0xa0
[  505.384421][ T8306]  ? __rtnl_newlink+0x1930/0x1930
[  505.389441][ T8306]  rtnetlink_rcv_msg+0x3c7/0xe00
[  505.394386][ T8306]  ? rtnl_fill_vf+0x4a0/0x4a0
[  505.399060][ T8306]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  505.405043][ T8306]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  505.411029][ T8306]  netlink_rcv_skb+0x16b/0x440
[  505.415800][ T8306]  ? rtnl_fill_vf+0x4a0/0x4a0
[  505.420476][ T8306]  ? netlink_ack+0x1380/0x1380
[  505.425240][ T8306]  ? lock_sync+0x190/0x190
[  505.429664][ T8306]  ? netlink_deliver_tap+0x1a0/0xd00
[  505.434948][ T8306]  ? _copy_from_iter+0x2c1/0x10f0
[  505.439976][ T8306]  netlink_unicast+0x53b/0x810
[  505.444742][ T8306]  ? netlink_attachskb+0x880/0x880
[  505.449853][ T8306]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  505.455743][ T8306]  ? __phys_addr_symbol+0x30/0x70
[  505.460768][ T8306]  ? __check_object_size+0x323/0x730
[  505.466054][ T8306]  netlink_sendmsg+0x93c/0xe40
[  505.470828][ T8306]  ? netlink_unicast+0x810/0x810
[  505.475771][ T8306]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  505.481059][ T8306]  ? netlink_unicast+0x810/0x810
[  505.486007][ T8306]  __sock_sendmsg+0xd5/0x180
[  505.490597][ T8306]  ____sys_sendmsg+0x6ac/0x940
[  505.495365][ T8306]  ? copy_msghdr_from_user+0x10b/0x160
[  505.500830][ T8306]  ? kernel_sendmsg+0x50/0x50
[  505.505512][ T8306]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  505.511504][ T8306]  ___sys_sendmsg+0x135/0x1d0
[  505.516184][ T8306]  ? do_recvmmsg+0x740/0x740
[  505.520772][ T8306]  ? find_held_lock+0x2d/0x110
[  505.525543][ T8306]  ? preempt_count_sub+0x160/0x160
[  505.530666][ T8306]  ? __fget_light+0x1fc/0x260
[  505.535341][ T8306]  __sys_sendmsg+0x117/0x1e0
[  505.539933][ T8306]  ? __sys_sendmsg_sock+0x30/0x30
[  505.544960][ T8306]  ? xfd_validate_state+0x5d/0x180
[  505.550085][ T8306]  ? syscall_enter_from_user_mode+0x7f/0x120
[  505.556098][ T8306]  do_syscall_64+0x40/0x110
[  505.560599][ T8306]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  505.566501][ T8306] RIP: 0033:0x7ff3fd6020b9
[  505.570910][ T8306] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  505.590517][ T8306] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  505.598924][ T8306] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  505.606892][ T8306] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  505.614858][ T8306] RBP: 000000000007b178 R08: 0000000000000000 R09: 0000000000000006
[  505.622819][ T8306] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  505.630783][ T8306] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  505.638755][ T8306]  </TASK>
[  505.642770][ T8306] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  505.703287][ T8306] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  505.712505][ T8306] CPU: 0 PID: 8306 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  505.722917][ T8306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  505.732959][ T8306] Call Trace:
[  505.736229][ T8306]  <TASK>
[  505.739147][ T8306]  dump_stack_lvl+0x125/0x1b0
[  505.743818][ T8306]  sysfs_warn_dup+0x7f/0xa0
[  505.748313][ T8306]  sysfs_create_dir_ns+0x249/0x2b0
[  505.753418][ T8306]  ? sysfs_create_mount_point+0xb0/0xb0
[  505.758955][ T8306]  ? spin_bug+0x1d0/0x1d0
[  505.763279][ T8306]  ? net_namespace+0x12/0x40
[  505.767868][ T8306]  ? device_namespace+0x8d/0xc0
[  505.772726][ T8306]  kobject_add_internal+0x2c8/0x970
[  505.777931][ T8306]  kobject_add+0x16f/0x240
[  505.782345][ T8306]  ? kset_create_and_add+0x190/0x190
[  505.787629][ T8306]  ? do_raw_spin_unlock+0x173/0x230
[  505.792823][ T8306]  ? kobject_put+0xbe/0x440
[  505.797324][ T8306]  ? device_add+0xc35/0x1aa0
[  505.801914][ T8306]  device_add+0x289/0x1aa0
[  505.806332][ T8306]  ? device_initialize+0x510/0x510
[  505.811441][ T8306]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  505.818323][ T8306]  ? __init_waitqueue_head+0xca/0x150
[  505.823704][ T8306]  netdev_register_kobject+0x183/0x3f0
[  505.829170][ T8306]  register_netdevice+0xbe6/0x14b0
[  505.834285][ T8306]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  505.840205][ T8306]  ? validate_linkmsg+0x6fc/0x9c0
[  505.845231][ T8306]  br_dev_newlink+0x27/0x110
[  505.849851][ T8306]  ? br_changelink+0x1760/0x1760
[  505.854787][ T8306]  __rtnl_newlink+0x1173/0x1930
[  505.859645][ T8306]  ? rtnl_link_unregister+0x260/0x260
[  505.865185][ T8306]  rtnl_newlink+0x67/0xa0
[  505.869530][ T8306]  ? __rtnl_newlink+0x1930/0x1930
[  505.874578][ T8306]  rtnetlink_rcv_msg+0x3c7/0xe00
[  505.879518][ T8306]  ? rtnl_fill_vf+0x4a0/0x4a0
[  505.884195][ T8306]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  505.890176][ T8306]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  505.896162][ T8306]  netlink_rcv_skb+0x16b/0x440
[  505.900932][ T8306]  ? rtnl_fill_vf+0x4a0/0x4a0
[  505.905611][ T8306]  ? netlink_ack+0x1380/0x1380
[  505.910372][ T8306]  ? lock_sync+0x190/0x190
[  505.914796][ T8306]  ? netlink_deliver_tap+0x1a0/0xd00
[  505.920080][ T8306]  ? _copy_from_iter+0x2c1/0x10f0
[  505.925108][ T8306]  netlink_unicast+0x53b/0x810
[  505.929879][ T8306]  ? netlink_attachskb+0x880/0x880
[  505.934991][ T8306]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  505.940883][ T8306]  ? __phys_addr_symbol+0x30/0x70
[  505.945903][ T8306]  ? __check_object_size+0x323/0x730
[  505.951188][ T8306]  netlink_sendmsg+0x93c/0xe40
[  505.955958][ T8306]  ? netlink_unicast+0x810/0x810
[  505.960902][ T8306]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  505.966182][ T8306]  ? netlink_unicast+0x810/0x810
[  505.971119][ T8306]  __sock_sendmsg+0xd5/0x180
[  505.975708][ T8306]  ____sys_sendmsg+0x6ac/0x940
[  505.980470][ T8306]  ? copy_msghdr_from_user+0x10b/0x160
[  505.985929][ T8306]  ? kernel_sendmsg+0x50/0x50
[  505.990619][ T8306]  ? hlock_class+0x4e/0x130
[  505.995168][ T8306]  ? __lock_acquire+0x14e0/0x3b10
[  506.000215][ T8306]  ___sys_sendmsg+0x135/0x1d0
[  506.004908][ T8306]  ? do_recvmmsg+0x740/0x740
[  506.009501][ T8306]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  506.015491][ T8306]  ? find_held_lock+0x2d/0x110
[  506.020277][ T8306]  ? __fget_light+0x1fc/0x260
[  506.024954][ T8306]  __sys_sendmsg+0x117/0x1e0
[  506.029550][ T8306]  ? __sys_sendmsg_sock+0x30/0x30
[  506.034578][ T8306]  ? __do_sys_rseq+0x750/0x750
[  506.039350][ T8306]  ? syscall_enter_from_user_mode+0x7f/0x120
[  506.045337][ T8306]  do_syscall_64+0x40/0x110
[  506.049838][ T8306]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  506.055761][ T8306] RIP: 0033:0x7ff3fd6020b9
[  506.060211][ T8306] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  506.079840][ T8306] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  506.088257][ T8306] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  506.096226][ T8306] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  506.104205][ T8306] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  506.112172][ T8306] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  506.120140][ T8306] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  506.128122][ T8306]  </TASK>
[  506.132323][ T8306] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  506.187842][ T8307] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  506.198206][ T8307] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  506.207411][ T8307] CPU: 1 PID: 8307 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  506.217844][ T8307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  506.227893][ T8307] Call Trace:
[  506.231168][ T8307]  <TASK>
[  506.234090][ T8307]  dump_stack_lvl+0x125/0x1b0
[  506.238767][ T8307]  sysfs_warn_dup+0x7f/0xa0
[  506.243266][ T8307]  sysfs_create_dir_ns+0x249/0x2b0
[  506.248407][ T8307]  ? sysfs_create_mount_point+0xb0/0xb0
[  506.253950][ T8307]  ? spin_bug+0x1d0/0x1d0
[  506.258295][ T8307]  ? net_namespace+0x12/0x40
[  506.262884][ T8307]  ? device_namespace+0x8d/0xc0
[  506.267739][ T8307]  kobject_add_internal+0x2c8/0x970
[  506.272942][ T8307]  kobject_add+0x16f/0x240
[  506.277356][ T8307]  ? kset_create_and_add+0x190/0x190
[  506.282642][ T8307]  ? do_raw_spin_unlock+0x173/0x230
[  506.287833][ T8307]  ? kobject_put+0xbe/0x440
[  506.292361][ T8307]  ? device_add+0xc35/0x1aa0
[  506.296970][ T8307]  device_add+0x289/0x1aa0
[  506.301384][ T8307]  ? device_initialize+0x510/0x510
[  506.306498][ T8307]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  506.313347][ T8307]  ? __init_waitqueue_head+0xca/0x150
[  506.318722][ T8307]  netdev_register_kobject+0x183/0x3f0
[  506.324189][ T8307]  register_netdevice+0xbe6/0x14b0
[  506.329307][ T8307]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  506.335199][ T8307]  ? validate_linkmsg+0x6fc/0x9c0
[  506.340223][ T8307]  br_dev_newlink+0x27/0x110
[  506.344814][ T8307]  ? br_changelink+0x1760/0x1760
[  506.349748][ T8307]  __rtnl_newlink+0x1173/0x1930
[  506.354604][ T8307]  ? rtnl_link_unregister+0x260/0x260
[  506.360016][ T8307]  rtnl_newlink+0x67/0xa0
[  506.364343][ T8307]  ? __rtnl_newlink+0x1930/0x1930
[  506.369364][ T8307]  rtnetlink_rcv_msg+0x3c7/0xe00
[  506.374336][ T8307]  ? rtnl_fill_vf+0x4a0/0x4a0
[  506.379009][ T8307]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  506.384992][ T8307]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  506.390977][ T8307]  netlink_rcv_skb+0x16b/0x440
[  506.395744][ T8307]  ? rtnl_fill_vf+0x4a0/0x4a0
[  506.400418][ T8307]  ? netlink_ack+0x1380/0x1380
[  506.405271][ T8307]  ? lock_sync+0x190/0x190
[  506.409701][ T8307]  ? netlink_deliver_tap+0x1a0/0xd00
[  506.414985][ T8307]  ? _copy_from_iter+0x2c1/0x10f0
[  506.420010][ T8307]  netlink_unicast+0x53b/0x810
[  506.424811][ T8307]  ? netlink_attachskb+0x880/0x880
[  506.429921][ T8307]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  506.435813][ T8307]  ? __phys_addr_symbol+0x30/0x70
[  506.440838][ T8307]  ? __check_object_size+0x323/0x730
[  506.446122][ T8307]  netlink_sendmsg+0x93c/0xe40
[  506.450919][ T8307]  ? netlink_unicast+0x810/0x810
[  506.455886][ T8307]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  506.461171][ T8307]  ? netlink_unicast+0x810/0x810
[  506.466110][ T8307]  __sock_sendmsg+0xd5/0x180
[  506.470705][ T8307]  ____sys_sendmsg+0x6ac/0x940
[  506.475465][ T8307]  ? copy_msghdr_from_user+0x10b/0x160
[  506.480926][ T8307]  ? kernel_sendmsg+0x50/0x50
[  506.485620][ T8307]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  506.491610][ T8307]  ___sys_sendmsg+0x135/0x1d0
[  506.496291][ T8307]  ? do_recvmmsg+0x740/0x740
[  506.500878][ T8307]  ? find_held_lock+0x2d/0x110
[  506.505648][ T8307]  ? preempt_count_sub+0x160/0x160
[  506.510780][ T8307]  ? __fget_light+0x1fc/0x260
[  506.515454][ T8307]  __sys_sendmsg+0x117/0x1e0
[  506.520048][ T8307]  ? __sys_sendmsg_sock+0x30/0x30
[  506.525074][ T8307]  ? xfd_validate_state+0x5d/0x180
[  506.530199][ T8307]  ? syscall_enter_from_user_mode+0x7f/0x120
[  506.536185][ T8307]  do_syscall_64+0x40/0x110
[  506.540696][ T8307]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  506.546594][ T8307] RIP: 0033:0x7ff3fd6020b9
[  506.551001][ T8307] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  506.570612][ T8307] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  506.579024][ T8307] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  506.586988][ T8307] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  506.594957][ T8307] RBP: 000000000007b561 R08: 0000000000000000 R09: 0000000000000006
[  506.602925][ T8307] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  506.610893][ T8307] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  506.618867][ T8307]  </TASK>
[  506.623180][ T8307] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  506.683383][ T8307] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  506.692590][ T8307] CPU: 1 PID: 8307 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  506.703030][ T8307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  506.713075][ T8307] Call Trace:
[  506.716347][ T8307]  <TASK>
[  506.719275][ T8307]  dump_stack_lvl+0x125/0x1b0
[  506.723945][ T8307]  sysfs_warn_dup+0x7f/0xa0
[  506.728449][ T8307]  sysfs_create_dir_ns+0x249/0x2b0
[  506.733553][ T8307]  ? sysfs_create_mount_point+0xb0/0xb0
[  506.739087][ T8307]  ? spin_bug+0x1d0/0x1d0
[  506.743413][ T8307]  ? net_namespace+0x12/0x40
[  506.747995][ T8307]  ? device_namespace+0x8d/0xc0
[  506.752846][ T8307]  kobject_add_internal+0x2c8/0x970
[  506.758049][ T8307]  kobject_add+0x16f/0x240
[  506.762466][ T8307]  ? kset_create_and_add+0x190/0x190
[  506.767750][ T8307]  ? do_raw_spin_unlock+0x173/0x230
[  506.772945][ T8307]  ? kobject_put+0xbe/0x440
[  506.777451][ T8307]  ? device_add+0xc35/0x1aa0
[  506.782037][ T8307]  device_add+0x289/0x1aa0
[  506.786449][ T8307]  ? device_initialize+0x510/0x510
[  506.791573][ T8307]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  506.798420][ T8307]  ? __init_waitqueue_head+0xca/0x150
[  506.803801][ T8307]  netdev_register_kobject+0x183/0x3f0
[  506.809267][ T8307]  register_netdevice+0xbe6/0x14b0
[  506.814408][ T8307]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  506.820298][ T8307]  ? validate_linkmsg+0x6fc/0x9c0
[  506.825344][ T8307]  br_dev_newlink+0x27/0x110
[  506.829934][ T8307]  ? br_changelink+0x1760/0x1760
[  506.834869][ T8307]  __rtnl_newlink+0x1173/0x1930
[  506.839723][ T8307]  ? rtnl_link_unregister+0x260/0x260
[  506.845107][ T8307]  rtnl_newlink+0x67/0xa0
[  506.849432][ T8307]  ? __rtnl_newlink+0x1930/0x1930
[  506.854452][ T8307]  rtnetlink_rcv_msg+0x3c7/0xe00
[  506.859392][ T8307]  ? rtnl_fill_vf+0x4a0/0x4a0
[  506.864095][ T8307]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  506.870077][ T8307]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  506.876063][ T8307]  netlink_rcv_skb+0x16b/0x440
[  506.880829][ T8307]  ? rtnl_fill_vf+0x4a0/0x4a0
[  506.885503][ T8307]  ? netlink_ack+0x1380/0x1380
[  506.890273][ T8307]  ? lock_sync+0x190/0x190
[  506.894706][ T8307]  ? netlink_deliver_tap+0x1a0/0xd00
[  506.900023][ T8307]  ? _copy_from_iter+0x2c1/0x10f0
[  506.905065][ T8307]  netlink_unicast+0x53b/0x810
[  506.909841][ T8307]  ? netlink_attachskb+0x880/0x880
[  506.914955][ T8307]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  506.920849][ T8307]  ? __phys_addr_symbol+0x30/0x70
[  506.925873][ T8307]  ? __check_object_size+0x323/0x730
[  506.931159][ T8307]  netlink_sendmsg+0x93c/0xe40
[  506.935927][ T8307]  ? netlink_unicast+0x810/0x810
[  506.940866][ T8307]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  506.946146][ T8307]  ? netlink_unicast+0x810/0x810
[  506.951087][ T8307]  __sock_sendmsg+0xd5/0x180
[  506.955676][ T8307]  ____sys_sendmsg+0x6ac/0x940
[  506.960434][ T8307]  ? copy_msghdr_from_user+0x10b/0x160
[  506.965893][ T8307]  ? kernel_sendmsg+0x50/0x50
[  506.970573][ T8307]  ? hlock_class+0x4e/0x130
[  506.975084][ T8307]  ? __lock_acquire+0x14e0/0x3b10
[  506.980112][ T8307]  ___sys_sendmsg+0x135/0x1d0
[  506.984790][ T8307]  ? do_recvmmsg+0x740/0x740
[  506.989377][ T8307]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  506.995381][ T8307]  ? find_held_lock+0x2d/0x110
[  507.000158][ T8307]  ? __fget_light+0x1fc/0x260
[  507.004851][ T8307]  __sys_sendmsg+0x117/0x1e0
[  507.009440][ T8307]  ? __sys_sendmsg_sock+0x30/0x30
[  507.014466][ T8307]  ? __do_sys_rseq+0x750/0x750
[  507.019235][ T8307]  ? syscall_enter_from_user_mode+0x7f/0x120
[  507.025218][ T8307]  do_syscall_64+0x40/0x110
[  507.029716][ T8307]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  507.035699][ T8307] RIP: 0033:0x7ff3fd6020b9
[  507.040103][ T8307] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  507.059708][ T8307] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  507.068116][ T8307] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  507.076081][ T8307] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  507.084051][ T8307] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  507.092014][ T8307] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  507.099974][ T8307] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  507.107951][ T8307]  </TASK>
[  507.112218][ T8307] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  507.168338][ T8308] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  507.178487][ T8308] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  507.187640][ T8308] CPU: 1 PID: 8308 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  507.198063][ T8308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  507.208130][ T8308] Call Trace:
[  507.211444][ T8308]  <TASK>
[  507.214407][ T8308]  dump_stack_lvl+0x125/0x1b0
[  507.219083][ T8308]  sysfs_warn_dup+0x7f/0xa0
[  507.223583][ T8308]  sysfs_create_dir_ns+0x249/0x2b0
[  507.228701][ T8308]  ? sysfs_create_mount_point+0xb0/0xb0
[  507.234243][ T8308]  ? spin_bug+0x1d0/0x1d0
[  507.238562][ T8308]  ? net_namespace+0x12/0x40
[  507.243150][ T8308]  ? device_namespace+0x8d/0xc0
[  507.248009][ T8308]  kobject_add_internal+0x2c8/0x970
[  507.253212][ T8308]  kobject_add+0x16f/0x240
[  507.257626][ T8308]  ? kset_create_and_add+0x190/0x190
[  507.262909][ T8308]  ? do_raw_spin_unlock+0x173/0x230
[  507.268101][ T8308]  ? kobject_put+0xbe/0x440
[  507.272694][ T8308]  ? device_add+0xc35/0x1aa0
[  507.277322][ T8308]  device_add+0x289/0x1aa0
[  507.281743][ T8308]  ? device_initialize+0x510/0x510
[  507.286850][ T8308]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  507.293701][ T8308]  ? __init_waitqueue_head+0xca/0x150
[  507.299076][ T8308]  netdev_register_kobject+0x183/0x3f0
[  507.304541][ T8308]  register_netdevice+0xbe6/0x14b0
[  507.309658][ T8308]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  507.315551][ T8308]  ? validate_linkmsg+0x6fc/0x9c0
[  507.320571][ T8308]  br_dev_newlink+0x27/0x110
[  507.325157][ T8308]  ? br_changelink+0x1760/0x1760
[  507.330092][ T8308]  __rtnl_newlink+0x1173/0x1930
[  507.334949][ T8308]  ? rtnl_link_unregister+0x260/0x260
[  507.340340][ T8308]  rtnl_newlink+0x67/0xa0
[  507.344676][ T8308]  ? __rtnl_newlink+0x1930/0x1930
[  507.349723][ T8308]  rtnetlink_rcv_msg+0x3c7/0xe00
[  507.354666][ T8308]  ? rtnl_fill_vf+0x4a0/0x4a0
[  507.359340][ T8308]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  507.365319][ T8308]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  507.371304][ T8308]  netlink_rcv_skb+0x16b/0x440
[  507.376068][ T8308]  ? rtnl_fill_vf+0x4a0/0x4a0
[  507.380741][ T8308]  ? netlink_ack+0x1380/0x1380
[  507.385532][ T8308]  ? lock_sync+0x190/0x190
[  507.389963][ T8308]  ? netlink_deliver_tap+0x1a0/0xd00
[  507.395247][ T8308]  ? _copy_from_iter+0x2c1/0x10f0
[  507.400272][ T8308]  netlink_unicast+0x53b/0x810
[  507.405038][ T8308]  ? netlink_attachskb+0x880/0x880
[  507.410145][ T8308]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  507.416035][ T8308]  ? __phys_addr_symbol+0x30/0x70
[  507.421057][ T8308]  ? __check_object_size+0x323/0x730
[  507.426341][ T8308]  netlink_sendmsg+0x93c/0xe40
[  507.431112][ T8308]  ? netlink_unicast+0x810/0x810
[  507.436053][ T8308]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  507.441345][ T8308]  ? netlink_unicast+0x810/0x810
[  507.446295][ T8308]  __sock_sendmsg+0xd5/0x180
[  507.450885][ T8308]  ____sys_sendmsg+0x6ac/0x940
[  507.455645][ T8308]  ? copy_msghdr_from_user+0x10b/0x160
[  507.461103][ T8308]  ? kernel_sendmsg+0x50/0x50
[  507.465781][ T8308]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  507.471793][ T8308]  ___sys_sendmsg+0x135/0x1d0
[  507.476474][ T8308]  ? do_recvmmsg+0x740/0x740
[  507.481060][ T8308]  ? find_held_lock+0x2d/0x110
[  507.485829][ T8308]  ? preempt_count_sub+0x160/0x160
[  507.490944][ T8308]  ? __fget_light+0x1fc/0x260
[  507.495622][ T8308]  __sys_sendmsg+0x117/0x1e0
[  507.500212][ T8308]  ? __sys_sendmsg_sock+0x30/0x30
[  507.505233][ T8308]  ? xfd_validate_state+0x5d/0x180
[  507.510355][ T8308]  ? syscall_enter_from_user_mode+0x7f/0x120
[  507.516337][ T8308]  do_syscall_64+0x40/0x110
[  507.520840][ T8308]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  507.526740][ T8308] RIP: 0033:0x7ff3fd6020b9
[  507.531149][ T8308] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  507.550781][ T8308] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  507.559190][ T8308] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  507.567181][ T8308] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  507.575146][ T8308] RBP: 000000000007b935 R08: 0000000000000000 R09: 0000000000000006
[  507.583109][ T8308] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  507.591072][ T8308] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  507.599045][ T8308]  </TASK>
[  507.603102][ T8308] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  507.643491][ T8308] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  507.652713][ T8308] CPU: 1 PID: 8308 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  507.663130][ T8308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  507.673170][ T8308] Call Trace:
[  507.676440][ T8308]  <TASK>
[  507.679363][ T8308]  dump_stack_lvl+0x125/0x1b0
[  507.684035][ T8308]  sysfs_warn_dup+0x7f/0xa0
[  507.688555][ T8308]  sysfs_create_dir_ns+0x249/0x2b0
[  507.693660][ T8308]  ? sysfs_create_mount_point+0xb0/0xb0
[  507.699197][ T8308]  ? spin_bug+0x1d0/0x1d0
[  507.703521][ T8308]  ? net_namespace+0x12/0x40
[  507.708107][ T8308]  ? device_namespace+0x8d/0xc0
[  507.712955][ T8308]  kobject_add_internal+0x2c8/0x970
[  507.718189][ T8308]  kobject_add+0x16f/0x240
[  507.722601][ T8308]  ? kset_create_and_add+0x190/0x190
[  507.727879][ T8308]  ? do_raw_spin_unlock+0x173/0x230
[  507.733068][ T8308]  ? kobject_put+0xbe/0x440
[  507.737565][ T8308]  ? device_add+0xc35/0x1aa0
[  507.742175][ T8308]  device_add+0x289/0x1aa0
[  507.746592][ T8308]  ? device_initialize+0x510/0x510
[  507.751781][ T8308]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  507.758625][ T8308]  ? __init_waitqueue_head+0xca/0x150
[  507.763997][ T8308]  netdev_register_kobject+0x183/0x3f0
[  507.769464][ T8308]  register_netdevice+0xbe6/0x14b0
[  507.774581][ T8308]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  507.780474][ T8308]  ? validate_linkmsg+0x6fc/0x9c0
[  507.785496][ T8308]  br_dev_newlink+0x27/0x110
[  507.790091][ T8308]  ? br_changelink+0x1760/0x1760
[  507.795025][ T8308]  __rtnl_newlink+0x1173/0x1930
[  507.799881][ T8308]  ? rtnl_link_unregister+0x260/0x260
[  507.805265][ T8308]  rtnl_newlink+0x67/0xa0
[  507.809608][ T8308]  ? __rtnl_newlink+0x1930/0x1930
[  507.814628][ T8308]  rtnetlink_rcv_msg+0x3c7/0xe00
[  507.819565][ T8308]  ? rtnl_fill_vf+0x4a0/0x4a0
[  507.824238][ T8308]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  507.830220][ T8308]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  507.836209][ T8308]  netlink_rcv_skb+0x16b/0x440
[  507.840978][ T8308]  ? rtnl_fill_vf+0x4a0/0x4a0
[  507.845654][ T8308]  ? netlink_ack+0x1380/0x1380
[  507.850428][ T8308]  ? lock_sync+0x190/0x190
[  507.854869][ T8308]  ? netlink_deliver_tap+0x1a0/0xd00
[  507.860155][ T8308]  ? _copy_from_iter+0x2c1/0x10f0
[  507.865220][ T8308]  netlink_unicast+0x53b/0x810
[  507.869993][ T8308]  ? netlink_attachskb+0x880/0x880
[  507.875104][ T8308]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  507.880994][ T8308]  ? __phys_addr_symbol+0x30/0x70
[  507.886013][ T8308]  ? __check_object_size+0x323/0x730
[  507.891300][ T8308]  netlink_sendmsg+0x93c/0xe40
[  507.896074][ T8308]  ? netlink_unicast+0x810/0x810
[  507.901016][ T8308]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  507.906305][ T8308]  ? netlink_unicast+0x810/0x810
[  507.911291][ T8308]  __sock_sendmsg+0xd5/0x180
[  507.915886][ T8308]  ____sys_sendmsg+0x6ac/0x940
[  507.920651][ T8308]  ? copy_msghdr_from_user+0x10b/0x160
[  507.926109][ T8308]  ? kernel_sendmsg+0x50/0x50
[  507.930808][ T8308]  ? hlock_class+0x4e/0x130
[  507.935323][ T8308]  ? __lock_acquire+0x14e0/0x3b10
[  507.940352][ T8308]  ___sys_sendmsg+0x135/0x1d0
[  507.945034][ T8308]  ? do_recvmmsg+0x740/0x740
[  507.949619][ T8308]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  507.955665][ T8308]  ? find_held_lock+0x2d/0x110
[  507.960459][ T8308]  ? __fget_light+0x1fc/0x260
[  507.965143][ T8308]  __sys_sendmsg+0x117/0x1e0
[  507.969748][ T8308]  ? __sys_sendmsg_sock+0x30/0x30
[  507.974783][ T8308]  ? __do_sys_rseq+0x750/0x750
[  507.979558][ T8308]  ? syscall_enter_from_user_mode+0x7f/0x120
[  507.985550][ T8308]  do_syscall_64+0x40/0x110
[  507.990071][ T8308]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  507.995991][ T8308] RIP: 0033:0x7ff3fd6020b9
[  508.000399][ T8308] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  508.020025][ T8308] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  508.028446][ T8308] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  508.036418][ T8308] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  508.044391][ T8308] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  508.052364][ T8308] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  508.060334][ T8308] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  508.068318][ T8308]  </TASK>
[  508.072455][ T8308] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  508.127358][ T8309] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  508.137517][ T8309] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  508.146691][ T8309] CPU: 1 PID: 8309 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  508.157123][ T8309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  508.167172][ T8309] Call Trace:
[  508.170441][ T8309]  <TASK>
[  508.173373][ T8309]  dump_stack_lvl+0x125/0x1b0
[  508.178045][ T8309]  sysfs_warn_dup+0x7f/0xa0
[  508.182583][ T8309]  sysfs_create_dir_ns+0x249/0x2b0
[  508.187693][ T8309]  ? sysfs_create_mount_point+0xb0/0xb0
[  508.193229][ T8309]  ? spin_bug+0x1d0/0x1d0
[  508.197550][ T8309]  ? net_namespace+0x12/0x40
[  508.202134][ T8309]  ? device_namespace+0x8d/0xc0
[  508.206990][ T8309]  kobject_add_internal+0x2c8/0x970
[  508.212190][ T8309]  kobject_add+0x16f/0x240
[  508.216609][ T8309]  ? kset_create_and_add+0x190/0x190
[  508.221895][ T8309]  ? do_raw_spin_unlock+0x173/0x230
[  508.227083][ T8309]  ? kobject_put+0xbe/0x440
[  508.231592][ T8309]  ? device_add+0xc35/0x1aa0
[  508.236184][ T8309]  device_add+0x289/0x1aa0
[  508.240597][ T8309]  ? device_initialize+0x510/0x510
[  508.245710][ T8309]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  508.252590][ T8309]  ? __init_waitqueue_head+0xca/0x150
[  508.257968][ T8309]  netdev_register_kobject+0x183/0x3f0
[  508.263437][ T8309]  register_netdevice+0xbe6/0x14b0
[  508.268553][ T8309]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  508.274443][ T8309]  ? validate_linkmsg+0x6fc/0x9c0
[  508.279474][ T8309]  br_dev_newlink+0x27/0x110
[  508.284064][ T8309]  ? br_changelink+0x1760/0x1760
[  508.288996][ T8309]  __rtnl_newlink+0x1173/0x1930
[  508.293863][ T8309]  ? rtnl_link_unregister+0x260/0x260
[  508.299260][ T8309]  rtnl_newlink+0x67/0xa0
[  508.303601][ T8309]  ? __rtnl_newlink+0x1930/0x1930
[  508.308626][ T8309]  rtnetlink_rcv_msg+0x3c7/0xe00
[  508.313572][ T8309]  ? rtnl_fill_vf+0x4a0/0x4a0
[  508.318246][ T8309]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  508.324227][ T8309]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  508.330239][ T8309]  netlink_rcv_skb+0x16b/0x440
[  508.335025][ T8309]  ? rtnl_fill_vf+0x4a0/0x4a0
[  508.339706][ T8309]  ? netlink_ack+0x1380/0x1380
[  508.344473][ T8309]  ? lock_sync+0x190/0x190
[  508.348902][ T8309]  ? netlink_deliver_tap+0x1a0/0xd00
[  508.354185][ T8309]  ? _copy_from_iter+0x2c1/0x10f0
[  508.359212][ T8309]  netlink_unicast+0x53b/0x810
[  508.363978][ T8309]  ? netlink_attachskb+0x880/0x880
[  508.369092][ T8309]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  508.374990][ T8309]  ? __phys_addr_symbol+0x30/0x70
[  508.380033][ T8309]  ? __check_object_size+0x323/0x730
[  508.385320][ T8309]  netlink_sendmsg+0x93c/0xe40
[  508.390092][ T8309]  ? netlink_unicast+0x810/0x810
[  508.395038][ T8309]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  508.400322][ T8309]  ? netlink_unicast+0x810/0x810
[  508.405353][ T8309]  __sock_sendmsg+0xd5/0x180
[  508.409946][ T8309]  ____sys_sendmsg+0x6ac/0x940
[  508.414706][ T8309]  ? copy_msghdr_from_user+0x10b/0x160
[  508.420193][ T8309]  ? kernel_sendmsg+0x50/0x50
[  508.424888][ T8309]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  508.430875][ T8309]  ___sys_sendmsg+0x135/0x1d0
[  508.435582][ T8309]  ? do_recvmmsg+0x740/0x740
[  508.440185][ T8309]  ? find_held_lock+0x2d/0x110
[  508.444965][ T8309]  ? preempt_count_sub+0x160/0x160
[  508.450083][ T8309]  ? __fget_light+0x1fc/0x260
[  508.454759][ T8309]  __sys_sendmsg+0x117/0x1e0
[  508.459376][ T8309]  ? __sys_sendmsg_sock+0x30/0x30
[  508.464427][ T8309]  ? xfd_validate_state+0x5d/0x180
[  508.469556][ T8309]  ? syscall_enter_from_user_mode+0x7f/0x120
[  508.475540][ T8309]  do_syscall_64+0x40/0x110
[  508.480040][ T8309]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  508.485937][ T8309] RIP: 0033:0x7ff3fd6020b9
[  508.490350][ T8309] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  508.509982][ T8309] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  508.518433][ T8309] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  508.526419][ T8309] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  508.534411][ T8309] RBP: 000000000007bd09 R08: 0000000000000000 R09: 0000000000000006
[  508.542380][ T8309] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  508.550346][ T8309] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  508.558353][ T8309]  </TASK>
[  508.562731][ T8309] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  508.614307][ T8309] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  508.623506][ T8309] CPU: 0 PID: 8309 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  508.633931][ T8309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  508.643971][ T8309] Call Trace:
[  508.647238][ T8309]  <TASK>
[  508.650161][ T8309]  dump_stack_lvl+0x125/0x1b0
[  508.654836][ T8309]  sysfs_warn_dup+0x7f/0xa0
[  508.659330][ T8309]  sysfs_create_dir_ns+0x249/0x2b0
[  508.664433][ T8309]  ? sysfs_create_mount_point+0xb0/0xb0
[  508.669975][ T8309]  ? spin_bug+0x1d0/0x1d0
[  508.674292][ T8309]  ? net_namespace+0x12/0x40
[  508.678870][ T8309]  ? device_namespace+0x8d/0xc0
[  508.683714][ T8309]  kobject_add_internal+0x2c8/0x970
[  508.688908][ T8309]  kobject_add+0x16f/0x240
[  508.693312][ T8309]  ? kset_create_and_add+0x190/0x190
[  508.698586][ T8309]  ? do_raw_spin_unlock+0x173/0x230
[  508.703781][ T8309]  ? kobject_put+0xbe/0x440
[  508.708310][ T8309]  ? device_add+0xc35/0x1aa0
[  508.712892][ T8309]  device_add+0x289/0x1aa0
[  508.717298][ T8309]  ? device_initialize+0x510/0x510
[  508.722408][ T8309]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  508.729265][ T8309]  ? __init_waitqueue_head+0xca/0x150
[  508.734637][ T8309]  netdev_register_kobject+0x183/0x3f0
[  508.740096][ T8309]  register_netdevice+0xbe6/0x14b0
[  508.745210][ T8309]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  508.751099][ T8309]  ? validate_linkmsg+0x6fc/0x9c0
[  508.756118][ T8309]  br_dev_newlink+0x27/0x110
[  508.760713][ T8309]  ? br_changelink+0x1760/0x1760
[  508.765656][ T8309]  __rtnl_newlink+0x1173/0x1930
[  508.770524][ T8309]  ? rtnl_link_unregister+0x260/0x260
[  508.775911][ T8309]  rtnl_newlink+0x67/0xa0
[  508.780236][ T8309]  ? __rtnl_newlink+0x1930/0x1930
[  508.785254][ T8309]  rtnetlink_rcv_msg+0x3c7/0xe00
[  508.790185][ T8309]  ? rtnl_fill_vf+0x4a0/0x4a0
[  508.794856][ T8309]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  508.800835][ T8309]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  508.806815][ T8309]  netlink_rcv_skb+0x16b/0x440
[  508.811597][ T8309]  ? rtnl_fill_vf+0x4a0/0x4a0
[  508.816281][ T8309]  ? netlink_ack+0x1380/0x1380
[  508.821040][ T8309]  ? lock_sync+0x190/0x190
[  508.825469][ T8309]  ? netlink_deliver_tap+0x1a0/0xd00
[  508.830747][ T8309]  ? _copy_from_iter+0x2c1/0x10f0
[  508.835770][ T8309]  netlink_unicast+0x53b/0x810
[  508.840539][ T8309]  ? netlink_attachskb+0x880/0x880
[  508.845669][ T8309]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  508.851565][ T8309]  ? __phys_addr_symbol+0x30/0x70
[  508.856581][ T8309]  ? __check_object_size+0x323/0x730
[  508.861881][ T8309]  netlink_sendmsg+0x93c/0xe40
[  508.866649][ T8309]  ? netlink_unicast+0x810/0x810
[  508.871589][ T8309]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  508.876870][ T8309]  ? netlink_unicast+0x810/0x810
[  508.881805][ T8309]  __sock_sendmsg+0xd5/0x180
[  508.886404][ T8309]  ____sys_sendmsg+0x6ac/0x940
[  508.891179][ T8309]  ? copy_msghdr_from_user+0x10b/0x160
[  508.896662][ T8309]  ? kernel_sendmsg+0x50/0x50
[  508.901354][ T8309]  ? hlock_class+0x4e/0x130
[  508.905870][ T8309]  ? __lock_acquire+0x14e0/0x3b10
[  508.910890][ T8309]  ___sys_sendmsg+0x135/0x1d0
[  508.915561][ T8309]  ? do_recvmmsg+0x740/0x740
[  508.920143][ T8309]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  508.926116][ T8309]  ? find_held_lock+0x2d/0x110
[  508.930883][ T8309]  ? __fget_light+0x1fc/0x260
[  508.935553][ T8309]  __sys_sendmsg+0x117/0x1e0
[  508.940135][ T8309]  ? __sys_sendmsg_sock+0x30/0x30
[  508.945166][ T8309]  ? __do_sys_rseq+0x750/0x750
[  508.949971][ T8309]  ? syscall_enter_from_user_mode+0x7f/0x120
[  508.955946][ T8309]  do_syscall_64+0x40/0x110
[  508.960441][ T8309]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  508.966342][ T8309] RIP: 0033:0x7ff3fd6020b9
[  508.970752][ T8309] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  508.990345][ T8309] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  508.998747][ T8309] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  509.006711][ T8309] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  509.014670][ T8309] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  509.022630][ T8309] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  509.030591][ T8309] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  509.038562][ T8309]  </TASK>
[  509.042602][ T8309] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  509.108930][ T8310] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  509.119363][ T8310] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  509.128517][ T8310] CPU: 0 PID: 8310 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  509.138939][ T8310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  509.148978][ T8310] Call Trace:
[  509.152246][ T8310]  <TASK>
[  509.155178][ T8310]  dump_stack_lvl+0x125/0x1b0
[  509.159865][ T8310]  sysfs_warn_dup+0x7f/0xa0
[  509.164370][ T8310]  sysfs_create_dir_ns+0x249/0x2b0
[  509.169501][ T8310]  ? sysfs_create_mount_point+0xb0/0xb0
[  509.175037][ T8310]  ? spin_bug+0x1d0/0x1d0
[  509.179378][ T8310]  ? net_namespace+0x12/0x40
[  509.183958][ T8310]  ? device_namespace+0x8d/0xc0
[  509.188819][ T8310]  kobject_add_internal+0x2c8/0x970
[  509.194020][ T8310]  kobject_add+0x16f/0x240
[  509.198442][ T8310]  ? kset_create_and_add+0x190/0x190
[  509.203731][ T8310]  ? do_raw_spin_unlock+0x173/0x230
[  509.208933][ T8310]  ? kobject_put+0xbe/0x440
[  509.213449][ T8310]  ? device_add+0xc35/0x1aa0
[  509.218031][ T8310]  device_add+0x289/0x1aa0
[  509.222440][ T8310]  ? device_initialize+0x510/0x510
[  509.227541][ T8310]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  509.234382][ T8310]  ? __init_waitqueue_head+0xca/0x150
[  509.239748][ T8310]  netdev_register_kobject+0x183/0x3f0
[  509.245205][ T8310]  register_netdevice+0xbe6/0x14b0
[  509.250311][ T8310]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  509.256217][ T8310]  ? validate_linkmsg+0x6fc/0x9c0
[  509.261241][ T8310]  br_dev_newlink+0x27/0x110
[  509.265825][ T8310]  ? br_changelink+0x1760/0x1760
[  509.270756][ T8310]  __rtnl_newlink+0x1173/0x1930
[  509.275603][ T8310]  ? rtnl_link_unregister+0x260/0x260
[  509.281010][ T8310]  rtnl_newlink+0x67/0xa0
[  509.285330][ T8310]  ? __rtnl_newlink+0x1930/0x1930
[  509.290343][ T8310]  rtnetlink_rcv_msg+0x3c7/0xe00
[  509.295270][ T8310]  ? rtnl_fill_vf+0x4a0/0x4a0
[  509.299936][ T8310]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  509.305907][ T8310]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  509.311878][ T8310]  netlink_rcv_skb+0x16b/0x440
[  509.316632][ T8310]  ? rtnl_fill_vf+0x4a0/0x4a0
[  509.321316][ T8310]  ? netlink_ack+0x1380/0x1380
[  509.326082][ T8310]  ? lock_sync+0x190/0x190
[  509.330518][ T8310]  ? netlink_deliver_tap+0x1a0/0xd00
[  509.335798][ T8310]  ? _copy_from_iter+0x2c1/0x10f0
[  509.340814][ T8310]  netlink_unicast+0x53b/0x810
[  509.345569][ T8310]  ? netlink_attachskb+0x880/0x880
[  509.350682][ T8310]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  509.356583][ T8310]  ? __phys_addr_symbol+0x30/0x70
[  509.361604][ T8310]  ? __check_object_size+0x323/0x730
[  509.366906][ T8310]  netlink_sendmsg+0x93c/0xe40
[  509.371666][ T8310]  ? netlink_unicast+0x810/0x810
[  509.376596][ T8310]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  509.381872][ T8310]  ? netlink_unicast+0x810/0x810
[  509.386800][ T8310]  __sock_sendmsg+0xd5/0x180
[  509.391381][ T8310]  ____sys_sendmsg+0x6ac/0x940
[  509.396135][ T8310]  ? copy_msghdr_from_user+0x10b/0x160
[  509.401598][ T8310]  ? kernel_sendmsg+0x50/0x50
[  509.406270][ T8310]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  509.412244][ T8310]  ___sys_sendmsg+0x135/0x1d0
[  509.416933][ T8310]  ? do_recvmmsg+0x740/0x740
[  509.421525][ T8310]  ? find_held_lock+0x2d/0x110
[  509.426303][ T8310]  ? preempt_count_sub+0x160/0x160
[  509.431406][ T8310]  ? __fget_light+0x1fc/0x260
[  509.436072][ T8310]  __sys_sendmsg+0x117/0x1e0
[  509.440662][ T8310]  ? __sys_sendmsg_sock+0x30/0x30
[  509.445695][ T8310]  ? xfd_validate_state+0x5d/0x180
[  509.450807][ T8310]  ? syscall_enter_from_user_mode+0x7f/0x120
[  509.456782][ T8310]  do_syscall_64+0x40/0x110
[  509.461277][ T8310]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  509.467174][ T8310] RIP: 0033:0x7ff3fd6020b9
[  509.471601][ T8310] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  509.491219][ T8310] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  509.499618][ T8310] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  509.507597][ T8310] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  509.515556][ T8310] RBP: 000000000007c0c8 R08: 0000000000000000 R09: 0000000000000006
[  509.523513][ T8310] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  509.531475][ T8310] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  509.539443][ T8310]  </TASK>
[  509.543958][ T8310] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  509.614189][ T8310] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  509.623458][ T8310] CPU: 0 PID: 8310 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  509.633892][ T8310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  509.643952][ T8310] Call Trace:
[  509.647217][ T8310]  <TASK>
[  509.650131][ T8310]  dump_stack_lvl+0x125/0x1b0
[  509.654799][ T8310]  sysfs_warn_dup+0x7f/0xa0
[  509.659291][ T8310]  sysfs_create_dir_ns+0x249/0x2b0
[  509.664396][ T8310]  ? sysfs_create_mount_point+0xb0/0xb0
[  509.669968][ T8310]  ? spin_bug+0x1d0/0x1d0
[  509.674304][ T8310]  ? net_namespace+0x12/0x40
[  509.678897][ T8310]  ? device_namespace+0x8d/0xc0
[  509.683755][ T8310]  kobject_add_internal+0x2c8/0x970
[  509.688959][ T8310]  kobject_add+0x16f/0x240
[  509.693378][ T8310]  ? kset_create_and_add+0x190/0x190
[  509.698660][ T8310]  ? do_raw_spin_unlock+0x173/0x230
[  509.703852][ T8310]  ? kobject_put+0xbe/0x440
[  509.708357][ T8310]  ? device_add+0xc35/0x1aa0
[  509.712949][ T8310]  device_add+0x289/0x1aa0
[  509.717370][ T8310]  ? device_initialize+0x510/0x510
[  509.722480][ T8310]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  509.729334][ T8310]  ? __init_waitqueue_head+0xca/0x150
[  509.734712][ T8310]  netdev_register_kobject+0x183/0x3f0
[  509.740177][ T8310]  register_netdevice+0xbe6/0x14b0
[  509.745296][ T8310]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  509.751194][ T8310]  ? validate_linkmsg+0x6fc/0x9c0
[  509.756216][ T8310]  br_dev_newlink+0x27/0x110
[  509.760805][ T8310]  ? br_changelink+0x1760/0x1760
[  509.765733][ T8310]  __rtnl_newlink+0x1173/0x1930
[  509.770593][ T8310]  ? rtnl_link_unregister+0x260/0x260
[  509.775980][ T8310]  rtnl_newlink+0x67/0xa0
[  509.780313][ T8310]  ? __rtnl_newlink+0x1930/0x1930
[  509.785361][ T8310]  rtnetlink_rcv_msg+0x3c7/0xe00
[  509.790314][ T8310]  ? rtnl_fill_vf+0x4a0/0x4a0
[  509.794996][ T8310]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  509.801017][ T8310]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  509.807038][ T8310]  netlink_rcv_skb+0x16b/0x440
[  509.811814][ T8310]  ? rtnl_fill_vf+0x4a0/0x4a0
[  509.816496][ T8310]  ? netlink_ack+0x1380/0x1380
[  509.821261][ T8310]  ? lock_sync+0x190/0x190
[  509.825689][ T8310]  ? netlink_deliver_tap+0x1a0/0xd00
[  509.830980][ T8310]  ? _copy_from_iter+0x2c1/0x10f0
[  509.836007][ T8310]  netlink_unicast+0x53b/0x810
[  509.840776][ T8310]  ? netlink_attachskb+0x880/0x880
[  509.845885][ T8310]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  509.851778][ T8310]  ? __phys_addr_symbol+0x30/0x70
[  509.856800][ T8310]  ? __check_object_size+0x323/0x730
[  509.862082][ T8310]  netlink_sendmsg+0x93c/0xe40
[  509.866849][ T8310]  ? netlink_unicast+0x810/0x810
[  509.871790][ T8310]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  509.877071][ T8310]  ? netlink_unicast+0x810/0x810
[  509.882009][ T8310]  __sock_sendmsg+0xd5/0x180
[  509.886622][ T8310]  ____sys_sendmsg+0x6ac/0x940
[  509.891382][ T8310]  ? copy_msghdr_from_user+0x10b/0x160
[  509.896848][ T8310]  ? kernel_sendmsg+0x50/0x50
[  509.901568][ T8310]  ___sys_sendmsg+0x135/0x1d0
[  509.906249][ T8310]  ? do_recvmmsg+0x740/0x740
[  509.910861][ T8310]  ? find_held_lock+0x2d/0x110
[  509.915652][ T8310]  ? preempt_count_sub+0x160/0x160
[  509.920766][ T8310]  ? __fget_light+0x1fc/0x260
[  509.925441][ T8310]  __sys_sendmsg+0x117/0x1e0
[  509.930030][ T8310]  ? __sys_sendmsg_sock+0x30/0x30
[  509.935063][ T8310]  ? syscall_enter_from_user_mode+0x7f/0x120
[  509.941045][ T8310]  do_syscall_64+0x40/0x110
[  509.945542][ T8310]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  509.951435][ T8310] RIP: 0033:0x7ff3fd6020b9
[  509.955843][ T8310] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  509.975448][ T8310] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  509.983853][ T8310] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  509.991821][ T8310] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  509.999784][ T8310] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  510.007746][ T8310] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  510.015712][ T8310] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  510.023690][ T8310]  </TASK>
[  510.027892][ T8310] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  510.087767][ T8311] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  510.097867][ T8311] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  510.107060][ T8311] CPU: 1 PID: 8311 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  510.117505][ T8311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  510.127543][ T8311] Call Trace:
[  510.130806][ T8311]  <TASK>
[  510.133718][ T8311]  dump_stack_lvl+0x125/0x1b0
[  510.138381][ T8311]  sysfs_warn_dup+0x7f/0xa0
[  510.142872][ T8311]  sysfs_create_dir_ns+0x249/0x2b0
[  510.147968][ T8311]  ? sysfs_create_mount_point+0xb0/0xb0
[  510.153515][ T8311]  ? spin_bug+0x1d0/0x1d0
[  510.157841][ T8311]  ? net_namespace+0x12/0x40
[  510.162421][ T8311]  ? device_namespace+0x8d/0xc0
[  510.167275][ T8311]  kobject_add_internal+0x2c8/0x970
[  510.172479][ T8311]  kobject_add+0x16f/0x240
[  510.176885][ T8311]  ? kset_create_and_add+0x190/0x190
[  510.182155][ T8311]  ? do_raw_spin_unlock+0x173/0x230
[  510.187335][ T8311]  ? kobject_put+0xbe/0x440
[  510.191830][ T8311]  ? device_add+0xc35/0x1aa0
[  510.196407][ T8311]  device_add+0x289/0x1aa0
[  510.200810][ T8311]  ? device_initialize+0x510/0x510
[  510.205920][ T8311]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  510.212763][ T8311]  ? __init_waitqueue_head+0xca/0x150
[  510.218133][ T8311]  netdev_register_kobject+0x183/0x3f0
[  510.223627][ T8311]  register_netdevice+0xbe6/0x14b0
[  510.228732][ T8311]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  510.234620][ T8311]  ? validate_linkmsg+0x6fc/0x9c0
[  510.239637][ T8311]  br_dev_newlink+0x27/0x110
[  510.244215][ T8311]  ? br_changelink+0x1760/0x1760
[  510.249136][ T8311]  __rtnl_newlink+0x1173/0x1930
[  510.254014][ T8311]  ? rtnl_link_unregister+0x260/0x260
[  510.259385][ T8311]  rtnl_newlink+0x67/0xa0
[  510.263703][ T8311]  ? __rtnl_newlink+0x1930/0x1930
[  510.268711][ T8311]  rtnetlink_rcv_msg+0x3c7/0xe00
[  510.273638][ T8311]  ? rtnl_fill_vf+0x4a0/0x4a0
[  510.278304][ T8311]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  510.284277][ T8311]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  510.290254][ T8311]  netlink_rcv_skb+0x16b/0x440
[  510.295011][ T8311]  ? rtnl_fill_vf+0x4a0/0x4a0
[  510.299674][ T8311]  ? netlink_ack+0x1380/0x1380
[  510.304428][ T8311]  ? lock_sync+0x190/0x190
[  510.308845][ T8311]  ? netlink_deliver_tap+0x1a0/0xd00
[  510.314117][ T8311]  ? _copy_from_iter+0x2c1/0x10f0
[  510.319132][ T8311]  netlink_unicast+0x53b/0x810
[  510.323888][ T8311]  ? netlink_attachskb+0x880/0x880
[  510.328985][ T8311]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  510.334863][ T8311]  ? __phys_addr_symbol+0x30/0x70
[  510.339873][ T8311]  ? __check_object_size+0x323/0x730
[  510.345143][ T8311]  netlink_sendmsg+0x93c/0xe40
[  510.349898][ T8311]  ? netlink_unicast+0x810/0x810
[  510.354833][ T8311]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  510.360105][ T8311]  ? netlink_unicast+0x810/0x810
[  510.365032][ T8311]  __sock_sendmsg+0xd5/0x180
[  510.369628][ T8311]  ____sys_sendmsg+0x6ac/0x940
[  510.374376][ T8311]  ? copy_msghdr_from_user+0x10b/0x160
[  510.379820][ T8311]  ? kernel_sendmsg+0x50/0x50
[  510.384494][ T8311]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  510.390471][ T8311]  ___sys_sendmsg+0x135/0x1d0
[  510.395148][ T8311]  ? do_recvmmsg+0x740/0x740
[  510.399725][ T8311]  ? find_held_lock+0x2d/0x110
[  510.404484][ T8311]  ? preempt_count_sub+0x160/0x160
[  510.409588][ T8311]  ? __fget_light+0x1fc/0x260
[  510.414252][ T8311]  __sys_sendmsg+0x117/0x1e0
[  510.418837][ T8311]  ? __sys_sendmsg_sock+0x30/0x30
[  510.423848][ T8311]  ? xfd_validate_state+0x5d/0x180
[  510.428954][ T8311]  ? syscall_enter_from_user_mode+0x7f/0x120
[  510.434929][ T8311]  do_syscall_64+0x40/0x110
[  510.439417][ T8311]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  510.445300][ T8311] RIP: 0033:0x7ff3fd6020b9
[  510.449699][ T8311] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  510.469287][ T8311] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  510.477679][ T8311] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  510.485631][ T8311] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  510.493585][ T8311] RBP: 000000000007c49e R08: 0000000000000000 R09: 0000000000000006
[  510.501541][ T8311] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  510.509500][ T8311] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  510.517461][ T8311]  </TASK>
[  510.523643][ T8311] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  510.573391][ T8311] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  510.582603][ T8311] CPU: 0 PID: 8311 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  510.593020][ T8311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  510.603060][ T8311] Call Trace:
[  510.606328][ T8311]  <TASK>
[  510.609257][ T8311]  dump_stack_lvl+0x125/0x1b0
[  510.613933][ T8311]  sysfs_warn_dup+0x7f/0xa0
[  510.618430][ T8311]  sysfs_create_dir_ns+0x249/0x2b0
[  510.623534][ T8311]  ? sysfs_create_mount_point+0xb0/0xb0
[  510.629071][ T8311]  ? spin_bug+0x1d0/0x1d0
[  510.633394][ T8311]  ? net_namespace+0x12/0x40
[  510.637985][ T8311]  ? device_namespace+0x8d/0xc0
[  510.642843][ T8311]  kobject_add_internal+0x2c8/0x970
[  510.648046][ T8311]  kobject_add+0x16f/0x240
[  510.652461][ T8311]  ? kset_create_and_add+0x190/0x190
[  510.657750][ T8311]  ? do_raw_spin_unlock+0x173/0x230
[  510.662945][ T8311]  ? kobject_put+0xbe/0x440
[  510.667446][ T8311]  ? device_add+0xc35/0x1aa0
[  510.672042][ T8311]  device_add+0x289/0x1aa0
[  510.676457][ T8311]  ? device_initialize+0x510/0x510
[  510.681564][ T8311]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  510.688411][ T8311]  ? __init_waitqueue_head+0xca/0x150
[  510.693787][ T8311]  netdev_register_kobject+0x183/0x3f0
[  510.699254][ T8311]  register_netdevice+0xbe6/0x14b0
[  510.704365][ T8311]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  510.710255][ T8311]  ? validate_linkmsg+0x6fc/0x9c0
[  510.715279][ T8311]  br_dev_newlink+0x27/0x110
[  510.719873][ T8311]  ? br_changelink+0x1760/0x1760
[  510.724809][ T8311]  __rtnl_newlink+0x1173/0x1930
[  510.729669][ T8311]  ? rtnl_link_unregister+0x260/0x260
[  510.735061][ T8311]  rtnl_newlink+0x67/0xa0
[  510.739389][ T8311]  ? __rtnl_newlink+0x1930/0x1930
[  510.744411][ T8311]  rtnetlink_rcv_msg+0x3c7/0xe00
[  510.749370][ T8311]  ? rtnl_fill_vf+0x4a0/0x4a0
[  510.754047][ T8311]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  510.760029][ T8311]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  510.766019][ T8311]  netlink_rcv_skb+0x16b/0x440
[  510.770789][ T8311]  ? rtnl_fill_vf+0x4a0/0x4a0
[  510.775469][ T8311]  ? netlink_ack+0x1380/0x1380
[  510.780235][ T8311]  ? lock_sync+0x190/0x190
[  510.784665][ T8311]  ? netlink_deliver_tap+0x1a0/0xd00
[  510.789978][ T8311]  ? _copy_from_iter+0x2c1/0x10f0
[  510.795012][ T8311]  netlink_unicast+0x53b/0x810
[  510.799787][ T8311]  ? netlink_attachskb+0x880/0x880
[  510.804902][ T8311]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  510.810798][ T8311]  ? __phys_addr_symbol+0x30/0x70
[  510.815829][ T8311]  ? __check_object_size+0x323/0x730
[  510.821199][ T8311]  netlink_sendmsg+0x93c/0xe40
[  510.825971][ T8311]  ? netlink_unicast+0x810/0x810
[  510.830913][ T8311]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  510.836194][ T8311]  ? netlink_unicast+0x810/0x810
[  510.841140][ T8311]  __sock_sendmsg+0xd5/0x180
[  510.845728][ T8311]  ____sys_sendmsg+0x6ac/0x940
[  510.850497][ T8311]  ? copy_msghdr_from_user+0x10b/0x160
[  510.855958][ T8311]  ? kernel_sendmsg+0x50/0x50
[  510.860638][ T8311]  ? hlock_class+0x4e/0x130
[  510.865146][ T8311]  ? __lock_acquire+0x14e0/0x3b10
[  510.870176][ T8311]  ___sys_sendmsg+0x135/0x1d0
[  510.874857][ T8311]  ? do_recvmmsg+0x740/0x740
[  510.879460][ T8311]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  510.885470][ T8311]  ? find_held_lock+0x2d/0x110
[  510.890255][ T8311]  ? __fget_light+0x1fc/0x260
[  510.894929][ T8311]  __sys_sendmsg+0x117/0x1e0
[  510.899523][ T8311]  ? __sys_sendmsg_sock+0x30/0x30
[  510.904545][ T8311]  ? xfd_validate_state+0x5d/0x180
[  510.909670][ T8311]  ? syscall_enter_from_user_mode+0x7f/0x120
[  510.915656][ T8311]  do_syscall_64+0x40/0x110
[  510.920160][ T8311]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  510.926057][ T8311] RIP: 0033:0x7ff3fd6020b9
[  510.930464][ T8311] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  510.950078][ T8311] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  510.958502][ T8311] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  510.966493][ T8311] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  510.974457][ T8311] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  510.982427][ T8311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  510.990393][ T8311] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  510.998368][ T8311]  </TASK>
[  511.005180][ T8311] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  511.077481][ T8312] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  511.087595][ T8312] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  511.096745][ T8312] CPU: 0 PID: 8312 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  511.107187][ T8312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  511.117232][ T8312] Call Trace:
[  511.120530][ T8312]  <TASK>
[  511.123486][ T8312]  dump_stack_lvl+0x125/0x1b0
[  511.128174][ T8312]  sysfs_warn_dup+0x7f/0xa0
[  511.132677][ T8312]  sysfs_create_dir_ns+0x249/0x2b0
[  511.137873][ T8312]  ? sysfs_create_mount_point+0xb0/0xb0
[  511.143413][ T8312]  ? spin_bug+0x1d0/0x1d0
[  511.147734][ T8312]  ? net_namespace+0x12/0x40
[  511.152319][ T8312]  ? device_namespace+0x8d/0xc0
[  511.157172][ T8312]  kobject_add_internal+0x2c8/0x970
[  511.162375][ T8312]  kobject_add+0x16f/0x240
[  511.166809][ T8312]  ? kset_create_and_add+0x190/0x190
[  511.172116][ T8312]  ? do_raw_spin_unlock+0x173/0x230
[  511.177351][ T8312]  ? kobject_put+0xbe/0x440
[  511.181877][ T8312]  ? device_add+0xc35/0x1aa0
[  511.186576][ T8312]  device_add+0x289/0x1aa0
[  511.191003][ T8312]  ? device_initialize+0x510/0x510
[  511.196120][ T8312]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  511.202982][ T8312]  ? __init_waitqueue_head+0xca/0x150
[  511.208369][ T8312]  netdev_register_kobject+0x183/0x3f0
[  511.213845][ T8312]  register_netdevice+0xbe6/0x14b0
[  511.218987][ T8312]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  511.224885][ T8312]  ? validate_linkmsg+0x6fc/0x9c0
[  511.229907][ T8312]  br_dev_newlink+0x27/0x110
[  511.234500][ T8312]  ? br_changelink+0x1760/0x1760
[  511.239444][ T8312]  __rtnl_newlink+0x1173/0x1930
[  511.244311][ T8312]  ? rtnl_link_unregister+0x260/0x260
[  511.249702][ T8312]  rtnl_newlink+0x67/0xa0
[  511.254028][ T8312]  ? __rtnl_newlink+0x1930/0x1930
[  511.259085][ T8312]  rtnetlink_rcv_msg+0x3c7/0xe00
[  511.264050][ T8312]  ? rtnl_fill_vf+0x4a0/0x4a0
[  511.268731][ T8312]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  511.274728][ T8312]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  511.280720][ T8312]  netlink_rcv_skb+0x16b/0x440
[  511.285488][ T8312]  ? rtnl_fill_vf+0x4a0/0x4a0
[  511.290165][ T8312]  ? netlink_ack+0x1380/0x1380
[  511.294939][ T8312]  ? lock_sync+0x190/0x190
[  511.299374][ T8312]  ? netlink_deliver_tap+0x1a0/0xd00
[  511.304665][ T8312]  ? _copy_from_iter+0x2c1/0x10f0
[  511.309704][ T8312]  netlink_unicast+0x53b/0x810
[  511.314481][ T8312]  ? netlink_attachskb+0x880/0x880
[  511.319594][ T8312]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  511.325488][ T8312]  ? __phys_addr_symbol+0x30/0x70
[  511.330517][ T8312]  ? __check_object_size+0x323/0x730
[  511.335808][ T8312]  netlink_sendmsg+0x93c/0xe40
[  511.340581][ T8312]  ? netlink_unicast+0x810/0x810
[  511.345525][ T8312]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  511.350809][ T8312]  ? netlink_unicast+0x810/0x810
[  511.355752][ T8312]  __sock_sendmsg+0xd5/0x180
[  511.360338][ T8312]  ____sys_sendmsg+0x6ac/0x940
[  511.365097][ T8312]  ? copy_msghdr_from_user+0x10b/0x160
[  511.370566][ T8312]  ? kernel_sendmsg+0x50/0x50
[  511.375260][ T8312]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  511.381247][ T8312]  ___sys_sendmsg+0x135/0x1d0
[  511.385933][ T8312]  ? do_recvmmsg+0x740/0x740
[  511.390519][ T8312]  ? find_held_lock+0x2d/0x110
[  511.395292][ T8312]  ? preempt_count_sub+0x160/0x160
[  511.400426][ T8312]  ? __fget_light+0x1fc/0x260
[  511.405104][ T8312]  __sys_sendmsg+0x117/0x1e0
[  511.409703][ T8312]  ? __sys_sendmsg_sock+0x30/0x30
[  511.414730][ T8312]  ? xfd_validate_state+0x5d/0x180
[  511.419856][ T8312]  ? syscall_enter_from_user_mode+0x7f/0x120
[  511.425840][ T8312]  do_syscall_64+0x40/0x110
[  511.430343][ T8312]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  511.436247][ T8312] RIP: 0033:0x7ff3fd6020b9
[  511.440661][ T8312] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  511.460275][ T8312] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  511.468693][ T8312] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  511.476662][ T8312] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  511.484637][ T8312] RBP: 000000000007c871 R08: 0000000000000000 R09: 0000000000000006
[  511.492608][ T8312] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  511.500570][ T8312] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  511.508549][ T8312]  </TASK>
[  511.513192][ T8312] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  511.554233][ T8312] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  511.563520][ T8312] CPU: 1 PID: 8312 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  511.573930][ T8312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  511.583980][ T8312] Call Trace:
[  511.587254][ T8312]  <TASK>
[  511.590177][ T8312]  dump_stack_lvl+0x125/0x1b0
[  511.594852][ T8312]  sysfs_warn_dup+0x7f/0xa0
[  511.599350][ T8312]  sysfs_create_dir_ns+0x249/0x2b0
[  511.604456][ T8312]  ? sysfs_create_mount_point+0xb0/0xb0
[  511.609997][ T8312]  ? spin_bug+0x1d0/0x1d0
[  511.614317][ T8312]  ? net_namespace+0x12/0x40
[  511.618902][ T8312]  ? device_namespace+0x8d/0xc0
[  511.623751][ T8312]  kobject_add_internal+0x2c8/0x970
[  511.628947][ T8312]  kobject_add+0x16f/0x240
[  511.633357][ T8312]  ? kset_create_and_add+0x190/0x190
[  511.638640][ T8312]  ? do_raw_spin_unlock+0x173/0x230
[  511.643828][ T8312]  ? kobject_put+0xbe/0x440
[  511.648326][ T8312]  ? device_add+0xc35/0x1aa0
[  511.652929][ T8312]  device_add+0x289/0x1aa0
[  511.657369][ T8312]  ? device_initialize+0x510/0x510
[  511.662516][ T8312]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  511.669361][ T8312]  ? __init_waitqueue_head+0xca/0x150
[  511.674734][ T8312]  netdev_register_kobject+0x183/0x3f0
[  511.680195][ T8312]  register_netdevice+0xbe6/0x14b0
[  511.685308][ T8312]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  511.691219][ T8312]  ? validate_linkmsg+0x6fc/0x9c0
[  511.696258][ T8312]  br_dev_newlink+0x27/0x110
[  511.700855][ T8312]  ? br_changelink+0x1760/0x1760
[  511.705784][ T8312]  __rtnl_newlink+0x1173/0x1930
[  511.710645][ T8312]  ? rtnl_link_unregister+0x260/0x260
[  511.716054][ T8312]  rtnl_newlink+0x67/0xa0
[  511.720378][ T8312]  ? __rtnl_newlink+0x1930/0x1930
[  511.725394][ T8312]  rtnetlink_rcv_msg+0x3c7/0xe00
[  511.730353][ T8312]  ? rtnl_fill_vf+0x4a0/0x4a0
[  511.735023][ T8312]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  511.740998][ T8312]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  511.746978][ T8312]  netlink_rcv_skb+0x16b/0x440
[  511.751748][ T8312]  ? rtnl_fill_vf+0x4a0/0x4a0
[  511.756450][ T8312]  ? netlink_ack+0x1380/0x1380
[  511.761235][ T8312]  ? lock_sync+0x190/0x190
[  511.765654][ T8312]  ? netlink_deliver_tap+0x1a0/0xd00
[  511.770935][ T8312]  ? _copy_from_iter+0x2c1/0x10f0
[  511.775957][ T8312]  netlink_unicast+0x53b/0x810
[  511.780736][ T8312]  ? netlink_attachskb+0x880/0x880
[  511.785844][ T8312]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  511.791733][ T8312]  ? __phys_addr_symbol+0x30/0x70
[  511.796773][ T8312]  ? __check_object_size+0x323/0x730
[  511.802051][ T8312]  netlink_sendmsg+0x93c/0xe40
[  511.806815][ T8312]  ? netlink_unicast+0x810/0x810
[  511.811761][ T8312]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  511.817068][ T8312]  ? netlink_unicast+0x810/0x810
[  511.822001][ T8312]  __sock_sendmsg+0xd5/0x180
[  511.826585][ T8312]  ____sys_sendmsg+0x6ac/0x940
[  511.831339][ T8312]  ? copy_msghdr_from_user+0x10b/0x160
[  511.836789][ T8312]  ? kernel_sendmsg+0x50/0x50
[  511.841466][ T8312]  ? hlock_class+0x4e/0x130
[  511.845959][ T8312]  ? __lock_acquire+0x14e0/0x3b10
[  511.850982][ T8312]  ___sys_sendmsg+0x135/0x1d0
[  511.855655][ T8312]  ? do_recvmmsg+0x740/0x740
[  511.860233][ T8312]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  511.866221][ T8312]  ? find_held_lock+0x2d/0x110
[  511.871009][ T8312]  ? __fget_light+0x1fc/0x260
[  511.875676][ T8312]  __sys_sendmsg+0x117/0x1e0
[  511.880263][ T8312]  ? __sys_sendmsg_sock+0x30/0x30
[  511.885281][ T8312]  ? __do_sys_rseq+0x750/0x750
[  511.890041][ T8312]  ? syscall_enter_from_user_mode+0x7f/0x120
[  511.896019][ T8312]  do_syscall_64+0x40/0x110
[  511.900518][ T8312]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  511.906404][ T8312] RIP: 0033:0x7ff3fd6020b9
[  511.910807][ T8312] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  511.930415][ T8312] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  511.938818][ T8312] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  511.946784][ T8312] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  511.954756][ T8312] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  511.962719][ T8312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  511.970694][ T8312] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  511.978676][ T8312]  </TASK>
[  511.993423][ T8312] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  512.057419][ T8313] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  512.067571][ T8313] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  512.076750][ T8313] CPU: 0 PID: 8313 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  512.087192][ T8313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  512.097260][ T8313] Call Trace:
[  512.100539][ T8313]  <TASK>
[  512.103479][ T8313]  dump_stack_lvl+0x125/0x1b0
[  512.108150][ T8313]  sysfs_warn_dup+0x7f/0xa0
[  512.112644][ T8313]  sysfs_create_dir_ns+0x249/0x2b0
[  512.117765][ T8313]  ? sysfs_create_mount_point+0xb0/0xb0
[  512.123303][ T8313]  ? spin_bug+0x1d0/0x1d0
[  512.127628][ T8313]  ? net_namespace+0x12/0x40
[  512.132215][ T8313]  ? device_namespace+0x8d/0xc0
[  512.137070][ T8313]  kobject_add_internal+0x2c8/0x970
[  512.142289][ T8313]  kobject_add+0x16f/0x240
[  512.146724][ T8313]  ? kset_create_and_add+0x190/0x190
[  512.152010][ T8313]  ? do_raw_spin_unlock+0x173/0x230
[  512.157205][ T8313]  ? kobject_put+0xbe/0x440
[  512.161710][ T8313]  ? device_add+0xc35/0x1aa0
[  512.166299][ T8313]  device_add+0x289/0x1aa0
[  512.170717][ T8313]  ? device_initialize+0x510/0x510
[  512.175823][ T8313]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  512.182675][ T8313]  ? __init_waitqueue_head+0xca/0x150
[  512.188076][ T8313]  netdev_register_kobject+0x183/0x3f0
[  512.193542][ T8313]  register_netdevice+0xbe6/0x14b0
[  512.198661][ T8313]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  512.204553][ T8313]  ? validate_linkmsg+0x6fc/0x9c0
[  512.209576][ T8313]  br_dev_newlink+0x27/0x110
[  512.214164][ T8313]  ? br_changelink+0x1760/0x1760
[  512.219095][ T8313]  __rtnl_newlink+0x1173/0x1930
[  512.223953][ T8313]  ? rtnl_link_unregister+0x260/0x260
[  512.229344][ T8313]  rtnl_newlink+0x67/0xa0
[  512.233671][ T8313]  ? __rtnl_newlink+0x1930/0x1930
[  512.238693][ T8313]  rtnetlink_rcv_msg+0x3c7/0xe00
[  512.243628][ T8313]  ? rtnl_fill_vf+0x4a0/0x4a0
[  512.248327][ T8313]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  512.254307][ T8313]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  512.260290][ T8313]  netlink_rcv_skb+0x16b/0x440
[  512.265063][ T8313]  ? rtnl_fill_vf+0x4a0/0x4a0
[  512.269741][ T8313]  ? netlink_ack+0x1380/0x1380
[  512.274506][ T8313]  ? lock_sync+0x190/0x190
[  512.278929][ T8313]  ? netlink_deliver_tap+0x1a0/0xd00
[  512.284215][ T8313]  ? _copy_from_iter+0x2c1/0x10f0
[  512.289242][ T8313]  netlink_unicast+0x53b/0x810
[  512.294008][ T8313]  ? netlink_attachskb+0x880/0x880
[  512.299118][ T8313]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  512.305008][ T8313]  ? __phys_addr_symbol+0x30/0x70
[  512.310031][ T8313]  ? __check_object_size+0x323/0x730
[  512.315315][ T8313]  netlink_sendmsg+0x93c/0xe40
[  512.320083][ T8313]  ? netlink_unicast+0x810/0x810
[  512.325026][ T8313]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  512.330307][ T8313]  ? netlink_unicast+0x810/0x810
[  512.335244][ T8313]  __sock_sendmsg+0xd5/0x180
[  512.339861][ T8313]  ____sys_sendmsg+0x6ac/0x940
[  512.344625][ T8313]  ? copy_msghdr_from_user+0x10b/0x160
[  512.350083][ T8313]  ? kernel_sendmsg+0x50/0x50
[  512.354758][ T8313]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  512.360741][ T8313]  ___sys_sendmsg+0x135/0x1d0
[  512.365420][ T8313]  ? do_recvmmsg+0x740/0x740
[  512.370007][ T8313]  ? find_held_lock+0x2d/0x110
[  512.374778][ T8313]  ? preempt_count_sub+0x160/0x160
[  512.379891][ T8313]  ? __fget_light+0x1fc/0x260
[  512.384575][ T8313]  __sys_sendmsg+0x117/0x1e0
[  512.389164][ T8313]  ? __sys_sendmsg_sock+0x30/0x30
[  512.394185][ T8313]  ? xfd_validate_state+0x5d/0x180
[  512.399315][ T8313]  ? syscall_enter_from_user_mode+0x7f/0x120
[  512.405303][ T8313]  do_syscall_64+0x40/0x110
[  512.409807][ T8313]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  512.415702][ T8313] RIP: 0033:0x7ff3fd6020b9
[  512.420111][ T8313] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  512.439721][ T8313] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  512.448137][ T8313] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  512.456111][ T8313] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  512.464080][ T8313] RBP: 000000000007cc4f R08: 0000000000000000 R09: 0000000000000006
[  512.472047][ T8313] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  512.480007][ T8313] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  512.487985][ T8313]  </TASK>
[  512.491598][ T8313] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  512.604351][ T8313] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  512.613660][ T8313] CPU: 1 PID: 8313 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  512.624074][ T8313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  512.634119][ T8313] Call Trace:
[  512.637391][ T8313]  <TASK>
[  512.640315][ T8313]  dump_stack_lvl+0x125/0x1b0
[  512.644995][ T8313]  sysfs_warn_dup+0x7f/0xa0
[  512.649501][ T8313]  sysfs_create_dir_ns+0x249/0x2b0
[  512.654610][ T8313]  ? sysfs_create_mount_point+0xb0/0xb0
[  512.660152][ T8313]  ? spin_bug+0x1d0/0x1d0
[  512.664478][ T8313]  ? net_namespace+0x12/0x40
[  512.669062][ T8313]  ? device_namespace+0x8d/0xc0
[  512.673916][ T8313]  kobject_add_internal+0x2c8/0x970
[  512.679144][ T8313]  kobject_add+0x16f/0x240
[  512.683556][ T8313]  ? kset_create_and_add+0x190/0x190
[  512.688840][ T8313]  ? do_raw_spin_unlock+0x173/0x230
[  512.694031][ T8313]  ? kobject_put+0xbe/0x440
[  512.698532][ T8313]  ? device_add+0xc35/0x1aa0
[  512.703119][ T8313]  device_add+0x289/0x1aa0
[  512.707531][ T8313]  ? device_initialize+0x510/0x510
[  512.712638][ T8313]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  512.719484][ T8313]  ? __init_waitqueue_head+0xca/0x150
[  512.724865][ T8313]  netdev_register_kobject+0x183/0x3f0
[  512.730332][ T8313]  register_netdevice+0xbe6/0x14b0
[  512.735453][ T8313]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  512.741375][ T8313]  ? validate_linkmsg+0x6fc/0x9c0
[  512.746396][ T8313]  br_dev_newlink+0x27/0x110
[  512.750992][ T8313]  ? br_changelink+0x1760/0x1760
[  512.755924][ T8313]  __rtnl_newlink+0x1173/0x1930
[  512.760785][ T8313]  ? rtnl_link_unregister+0x260/0x260
[  512.766171][ T8313]  rtnl_newlink+0x67/0xa0
[  512.770498][ T8313]  ? __rtnl_newlink+0x1930/0x1930
[  512.775524][ T8313]  rtnetlink_rcv_msg+0x3c7/0xe00
[  512.780462][ T8313]  ? rtnl_fill_vf+0x4a0/0x4a0
[  512.785140][ T8313]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  512.791125][ T8313]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  512.797114][ T8313]  netlink_rcv_skb+0x16b/0x440
[  512.801882][ T8313]  ? rtnl_fill_vf+0x4a0/0x4a0
[  512.806557][ T8313]  ? netlink_ack+0x1380/0x1380
[  512.811317][ T8313]  ? lock_sync+0x190/0x190
[  512.815743][ T8313]  ? netlink_deliver_tap+0x1a0/0xd00
[  512.821026][ T8313]  ? _copy_from_iter+0x2c1/0x10f0
[  512.826051][ T8313]  netlink_unicast+0x53b/0x810
[  512.830817][ T8313]  ? netlink_attachskb+0x880/0x880
[  512.835927][ T8313]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  512.841818][ T8313]  ? __phys_addr_symbol+0x30/0x70
[  512.846840][ T8313]  ? __check_object_size+0x323/0x730
[  512.852124][ T8313]  netlink_sendmsg+0x93c/0xe40
[  512.856891][ T8313]  ? netlink_unicast+0x810/0x810
[  512.861834][ T8313]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  512.867118][ T8313]  ? netlink_unicast+0x810/0x810
[  512.872055][ T8313]  __sock_sendmsg+0xd5/0x180
[  512.876642][ T8313]  ____sys_sendmsg+0x6ac/0x940
[  512.881403][ T8313]  ? copy_msghdr_from_user+0x10b/0x160
[  512.886859][ T8313]  ? kernel_sendmsg+0x50/0x50
[  512.891541][ T8313]  ___sys_sendmsg+0x135/0x1d0
[  512.896225][ T8313]  ? do_recvmmsg+0x740/0x740
[  512.900813][ T8313]  ? find_held_lock+0x2d/0x110
[  512.905586][ T8313]  ? preempt_count_sub+0x160/0x160
[  512.910704][ T8313]  ? __fget_light+0x1fc/0x260
[  512.915404][ T8313]  __sys_sendmsg+0x117/0x1e0
[  512.919996][ T8313]  ? __sys_sendmsg_sock+0x30/0x30
[  512.925016][ T8313]  ? xfd_validate_state+0x5d/0x180
[  512.930138][ T8313]  ? syscall_enter_from_user_mode+0x7f/0x120
[  512.936121][ T8313]  do_syscall_64+0x40/0x110
[  512.940624][ T8313]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  512.946523][ T8313] RIP: 0033:0x7ff3fd6020b9
[  512.950930][ T8313] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  512.970535][ T8313] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  512.978964][ T8313] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  512.986935][ T8313] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  512.994896][ T8313] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  513.002859][ T8313] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  513.010822][ T8313] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  513.018793][ T8313]  </TASK>
[  513.022087][ T8313] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  513.088206][ T8314] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  513.098982][ T8314] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  513.108137][ T8314] CPU: 0 PID: 8314 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  513.118552][ T8314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  513.128597][ T8314] Call Trace:
[  513.131865][ T8314]  <TASK>
[  513.134785][ T8314]  dump_stack_lvl+0x125/0x1b0
[  513.139459][ T8314]  sysfs_warn_dup+0x7f/0xa0
[  513.143963][ T8314]  sysfs_create_dir_ns+0x249/0x2b0
[  513.149068][ T8314]  ? sysfs_create_mount_point+0xb0/0xb0
[  513.154605][ T8314]  ? spin_bug+0x1d0/0x1d0
[  513.158922][ T8314]  ? net_namespace+0x12/0x40
[  513.163530][ T8314]  ? device_namespace+0x8d/0xc0
[  513.168380][ T8314]  kobject_add_internal+0x2c8/0x970
[  513.173574][ T8314]  kobject_add+0x16f/0x240
[  513.177982][ T8314]  ? kset_create_and_add+0x190/0x190
[  513.183281][ T8314]  ? do_raw_spin_unlock+0x173/0x230
[  513.188467][ T8314]  ? kobject_put+0xbe/0x440
[  513.192966][ T8314]  ? device_add+0xc35/0x1aa0
[  513.197550][ T8314]  device_add+0x289/0x1aa0
[  513.201959][ T8314]  ? device_initialize+0x510/0x510
[  513.207057][ T8314]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  513.213902][ T8314]  ? __init_waitqueue_head+0xca/0x150
[  513.219268][ T8314]  netdev_register_kobject+0x183/0x3f0
[  513.224729][ T8314]  register_netdevice+0xbe6/0x14b0
[  513.229850][ T8314]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  513.235779][ T8314]  ? validate_linkmsg+0x6fc/0x9c0
[  513.240795][ T8314]  br_dev_newlink+0x27/0x110
[  513.245570][ T8314]  ? br_changelink+0x1760/0x1760
[  513.250521][ T8314]  __rtnl_newlink+0x1173/0x1930
[  513.255390][ T8314]  ? rtnl_link_unregister+0x260/0x260
[  513.260791][ T8314]  rtnl_newlink+0x67/0xa0
[  513.265111][ T8314]  ? __rtnl_newlink+0x1930/0x1930
[  513.270125][ T8314]  rtnetlink_rcv_msg+0x3c7/0xe00
[  513.275055][ T8314]  ? rtnl_fill_vf+0x4a0/0x4a0
[  513.279723][ T8314]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  513.285697][ T8314]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  513.291692][ T8314]  netlink_rcv_skb+0x16b/0x440
[  513.296466][ T8314]  ? rtnl_fill_vf+0x4a0/0x4a0
[  513.301147][ T8314]  ? netlink_ack+0x1380/0x1380
[  513.305909][ T8314]  ? lock_sync+0x190/0x190
[  513.310420][ T8314]  ? netlink_deliver_tap+0x1a0/0xd00
[  513.315701][ T8314]  ? _copy_from_iter+0x2c1/0x10f0
[  513.320726][ T8314]  netlink_unicast+0x53b/0x810
[  513.325491][ T8314]  ? netlink_attachskb+0x880/0x880
[  513.330603][ T8314]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  513.336501][ T8314]  ? __phys_addr_symbol+0x30/0x70
[  513.341516][ T8314]  ? __check_object_size+0x323/0x730
[  513.346794][ T8314]  netlink_sendmsg+0x93c/0xe40
[  513.351555][ T8314]  ? netlink_unicast+0x810/0x810
[  513.356498][ T8314]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  513.361777][ T8314]  ? netlink_unicast+0x810/0x810
[  513.366709][ T8314]  __sock_sendmsg+0xd5/0x180
[  513.371290][ T8314]  ____sys_sendmsg+0x6ac/0x940
[  513.376050][ T8314]  ? copy_msghdr_from_user+0x10b/0x160
[  513.381538][ T8314]  ? kernel_sendmsg+0x50/0x50
[  513.386208][ T8314]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  513.392182][ T8314]  ___sys_sendmsg+0x135/0x1d0
[  513.396850][ T8314]  ? do_recvmmsg+0x740/0x740
[  513.401449][ T8314]  ? find_held_lock+0x2d/0x110
[  513.406210][ T8314]  ? preempt_count_sub+0x160/0x160
[  513.411316][ T8314]  ? __fget_light+0x1fc/0x260
[  513.415980][ T8314]  __sys_sendmsg+0x117/0x1e0
[  513.420572][ T8314]  ? __sys_sendmsg_sock+0x30/0x30
[  513.425585][ T8314]  ? xfd_validate_state+0x5d/0x180
[  513.430701][ T8314]  ? syscall_enter_from_user_mode+0x7f/0x120
[  513.436677][ T8314]  do_syscall_64+0x40/0x110
[  513.441170][ T8314]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  513.447057][ T8314] RIP: 0033:0x7ff3fd6020b9
[  513.451456][ T8314] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  513.471056][ T8314] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  513.479473][ T8314] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  513.487435][ T8314] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  513.495396][ T8314] RBP: 000000000007d022 R08: 0000000000000000 R09: 0000000000000006
[  513.503354][ T8314] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  513.511311][ T8314] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  513.519278][ T8314]  </TASK>
[  513.524559][ T8314] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  513.603364][ T8314] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  513.612639][ T8314] CPU: 0 PID: 8314 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  513.623088][ T8314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  513.633131][ T8314] Call Trace:
[  513.636400][ T8314]  <TASK>
[  513.639342][ T8314]  dump_stack_lvl+0x125/0x1b0
[  513.644047][ T8314]  sysfs_warn_dup+0x7f/0xa0
[  513.648586][ T8314]  sysfs_create_dir_ns+0x249/0x2b0
[  513.653694][ T8314]  ? sysfs_create_mount_point+0xb0/0xb0
[  513.659235][ T8314]  ? spin_bug+0x1d0/0x1d0
[  513.663559][ T8314]  ? net_namespace+0x12/0x40
[  513.668141][ T8314]  ? device_namespace+0x8d/0xc0
[  513.673007][ T8314]  kobject_add_internal+0x2c8/0x970
[  513.678206][ T8314]  kobject_add+0x16f/0x240
[  513.682639][ T8314]  ? kset_create_and_add+0x190/0x190
[  513.687913][ T8314]  ? do_raw_spin_unlock+0x173/0x230
[  513.693098][ T8314]  ? kobject_put+0xbe/0x440
[  513.697594][ T8314]  ? device_add+0xc35/0x1aa0
[  513.702175][ T8314]  device_add+0x289/0x1aa0
[  513.706580][ T8314]  ? device_initialize+0x510/0x510
[  513.711680][ T8314]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  513.718523][ T8314]  ? __init_waitqueue_head+0xca/0x150
[  513.723887][ T8314]  netdev_register_kobject+0x183/0x3f0
[  513.729344][ T8314]  register_netdevice+0xbe6/0x14b0
[  513.734450][ T8314]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  513.740333][ T8314]  ? validate_linkmsg+0x6fc/0x9c0
[  513.745347][ T8314]  br_dev_newlink+0x27/0x110
[  513.749938][ T8314]  ? br_changelink+0x1760/0x1760
[  513.754862][ T8314]  __rtnl_newlink+0x1173/0x1930
[  513.759711][ T8314]  ? rtnl_link_unregister+0x260/0x260
[  513.765083][ T8314]  rtnl_newlink+0x67/0xa0
[  513.769400][ T8314]  ? __rtnl_newlink+0x1930/0x1930
[  513.774416][ T8314]  rtnetlink_rcv_msg+0x3c7/0xe00
[  513.779344][ T8314]  ? rtnl_fill_vf+0x4a0/0x4a0
[  513.784012][ T8314]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  513.789984][ T8314]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  513.795959][ T8314]  netlink_rcv_skb+0x16b/0x440
[  513.800714][ T8314]  ? rtnl_fill_vf+0x4a0/0x4a0
[  513.805399][ T8314]  ? netlink_ack+0x1380/0x1380
[  513.810189][ T8314]  ? lock_sync+0x190/0x190
[  513.814605][ T8314]  ? netlink_deliver_tap+0x1a0/0xd00
[  513.819881][ T8314]  ? _copy_from_iter+0x2c1/0x10f0
[  513.824900][ T8314]  netlink_unicast+0x53b/0x810
[  513.829659][ T8314]  ? netlink_attachskb+0x880/0x880
[  513.834765][ T8314]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  513.840664][ T8314]  ? __phys_addr_symbol+0x30/0x70
[  513.845688][ T8314]  ? __check_object_size+0x323/0x730
[  513.850967][ T8314]  netlink_sendmsg+0x93c/0xe40
[  513.855731][ T8314]  ? netlink_unicast+0x810/0x810
[  513.860680][ T8314]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  513.865962][ T8314]  ? netlink_unicast+0x810/0x810
[  513.870909][ T8314]  __sock_sendmsg+0xd5/0x180
[  513.875514][ T8314]  ____sys_sendmsg+0x6ac/0x940
[  513.880270][ T8314]  ? copy_msghdr_from_user+0x10b/0x160
[  513.885727][ T8314]  ? kernel_sendmsg+0x50/0x50
[  513.890400][ T8314]  ? hlock_class+0x4e/0x130
[  513.894984][ T8314]  ? __lock_acquire+0x14e0/0x3b10
[  513.900046][ T8314]  ___sys_sendmsg+0x135/0x1d0
[  513.904718][ T8314]  ? do_recvmmsg+0x740/0x740
[  513.909299][ T8314]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  513.915271][ T8314]  ? find_held_lock+0x2d/0x110
[  513.920037][ T8314]  ? __fget_light+0x1fc/0x260
[  513.924703][ T8314]  __sys_sendmsg+0x117/0x1e0
[  513.929287][ T8314]  ? __sys_sendmsg_sock+0x30/0x30
[  513.934312][ T8314]  ? __do_sys_rseq+0x750/0x750
[  513.939093][ T8314]  ? syscall_enter_from_user_mode+0x7f/0x120
[  513.945067][ T8314]  do_syscall_64+0x40/0x110
[  513.949565][ T8314]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  513.955450][ T8314] RIP: 0033:0x7ff3fd6020b9
[  513.959854][ T8314] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  513.979453][ T8314] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  513.987855][ T8314] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  513.995858][ T8314] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  514.003821][ T8314] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  514.011781][ T8314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  514.019747][ T8314] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  514.027723][ T8314]  </TASK>
[  514.032078][ T8314] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  514.117565][ T8315] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  514.127761][ T8315] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  514.136997][ T8315] CPU: 0 PID: 8315 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  514.147431][ T8315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  514.157504][ T8315] Call Trace:
[  514.160776][ T8315]  <TASK>
[  514.163695][ T8315]  dump_stack_lvl+0x125/0x1b0
[  514.168372][ T8315]  sysfs_warn_dup+0x7f/0xa0
[  514.172868][ T8315]  sysfs_create_dir_ns+0x249/0x2b0
[  514.177970][ T8315]  ? sysfs_create_mount_point+0xb0/0xb0
[  514.183523][ T8315]  ? spin_bug+0x1d0/0x1d0
[  514.187842][ T8315]  ? net_namespace+0x12/0x40
[  514.192457][ T8315]  ? device_namespace+0x8d/0xc0
[  514.197338][ T8315]  kobject_add_internal+0x2c8/0x970
[  514.202544][ T8315]  kobject_add+0x16f/0x240
[  514.206958][ T8315]  ? kset_create_and_add+0x190/0x190
[  514.212244][ T8315]  ? do_raw_spin_unlock+0x173/0x230
[  514.217437][ T8315]  ? kobject_put+0xbe/0x440
[  514.221938][ T8315]  ? device_add+0xc35/0x1aa0
[  514.226528][ T8315]  device_add+0x289/0x1aa0
[  514.230944][ T8315]  ? device_initialize+0x510/0x510
[  514.236046][ T8315]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  514.242896][ T8315]  ? __init_waitqueue_head+0xca/0x150
[  514.248274][ T8315]  netdev_register_kobject+0x183/0x3f0
[  514.253742][ T8315]  register_netdevice+0xbe6/0x14b0
[  514.258857][ T8315]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  514.264750][ T8315]  ? validate_linkmsg+0x6fc/0x9c0
[  514.269775][ T8315]  br_dev_newlink+0x27/0x110
[  514.274366][ T8315]  ? br_changelink+0x1760/0x1760
[  514.279297][ T8315]  __rtnl_newlink+0x1173/0x1930
[  514.284186][ T8315]  ? rtnl_link_unregister+0x260/0x260
[  514.289574][ T8315]  rtnl_newlink+0x67/0xa0
[  514.293903][ T8315]  ? __rtnl_newlink+0x1930/0x1930
[  514.298921][ T8315]  rtnetlink_rcv_msg+0x3c7/0xe00
[  514.303856][ T8315]  ? rtnl_fill_vf+0x4a0/0x4a0
[  514.308527][ T8315]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  514.314508][ T8315]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  514.320496][ T8315]  netlink_rcv_skb+0x16b/0x440
[  514.325261][ T8315]  ? rtnl_fill_vf+0x4a0/0x4a0
[  514.329937][ T8315]  ? netlink_ack+0x1380/0x1380
[  514.334706][ T8315]  ? lock_sync+0x190/0x190
[  514.339138][ T8315]  ? netlink_deliver_tap+0x1a0/0xd00
[  514.344427][ T8315]  ? _copy_from_iter+0x2c1/0x10f0
[  514.349455][ T8315]  netlink_unicast+0x53b/0x810
[  514.354251][ T8315]  ? netlink_attachskb+0x880/0x880
[  514.359360][ T8315]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  514.365250][ T8315]  ? __phys_addr_symbol+0x30/0x70
[  514.370271][ T8315]  ? __check_object_size+0x323/0x730
[  514.375553][ T8315]  netlink_sendmsg+0x93c/0xe40
[  514.380321][ T8315]  ? netlink_unicast+0x810/0x810
[  514.385261][ T8315]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  514.390543][ T8315]  ? netlink_unicast+0x810/0x810
[  514.395484][ T8315]  __sock_sendmsg+0xd5/0x180
[  514.400072][ T8315]  ____sys_sendmsg+0x6ac/0x940
[  514.404832][ T8315]  ? copy_msghdr_from_user+0x10b/0x160
[  514.410287][ T8315]  ? kernel_sendmsg+0x50/0x50
[  514.414967][ T8315]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  514.420953][ T8315]  ___sys_sendmsg+0x135/0x1d0
[  514.425632][ T8315]  ? do_recvmmsg+0x740/0x740
[  514.430224][ T8315]  ? find_held_lock+0x2d/0x110
[  514.434991][ T8315]  ? preempt_count_sub+0x160/0x160
[  514.440103][ T8315]  ? __fget_light+0x1fc/0x260
[  514.444779][ T8315]  __sys_sendmsg+0x117/0x1e0
[  514.449371][ T8315]  ? __sys_sendmsg_sock+0x30/0x30
[  514.454393][ T8315]  ? xfd_validate_state+0x5d/0x180
[  514.459515][ T8315]  ? syscall_enter_from_user_mode+0x7f/0x120
[  514.465498][ T8315]  do_syscall_64+0x40/0x110
[  514.469999][ T8315]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  514.475897][ T8315] RIP: 0033:0x7ff3fd6020b9
[  514.480304][ T8315] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  514.499921][ T8315] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  514.508336][ T8315] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  514.516304][ T8315] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  514.524270][ T8315] RBP: 000000000007d429 R08: 0000000000000000 R09: 0000000000000006
[  514.532239][ T8315] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  514.540203][ T8315] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  514.548193][ T8315]  </TASK>
[  514.555014][ T8315] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  514.633511][ T8315] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  514.642770][ T8315] CPU: 1 PID: 8315 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  514.653190][ T8315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  514.663233][ T8315] Call Trace:
[  514.666504][ T8315]  <TASK>
[  514.669428][ T8315]  dump_stack_lvl+0x125/0x1b0
[  514.674097][ T8315]  sysfs_warn_dup+0x7f/0xa0
[  514.678594][ T8315]  sysfs_create_dir_ns+0x249/0x2b0
[  514.683697][ T8315]  ? sysfs_create_mount_point+0xb0/0xb0
[  514.689260][ T8315]  ? spin_bug+0x1d0/0x1d0
[  514.693582][ T8315]  ? net_namespace+0x12/0x40
[  514.698204][ T8315]  ? device_namespace+0x8d/0xc0
[  514.703065][ T8315]  kobject_add_internal+0x2c8/0x970
[  514.708280][ T8315]  kobject_add+0x16f/0x240
[  514.712698][ T8315]  ? kset_create_and_add+0x190/0x190
[  514.717980][ T8315]  ? do_raw_spin_unlock+0x173/0x230
[  514.723171][ T8315]  ? kobject_put+0xbe/0x440
[  514.727670][ T8315]  ? device_add+0xc35/0x1aa0
[  514.732261][ T8315]  device_add+0x289/0x1aa0
[  514.736709][ T8315]  ? device_initialize+0x510/0x510
[  514.741840][ T8315]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  514.748694][ T8315]  ? __init_waitqueue_head+0xca/0x150
[  514.754063][ T8315]  netdev_register_kobject+0x183/0x3f0
[  514.759525][ T8315]  register_netdevice+0xbe6/0x14b0
[  514.764634][ T8315]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  514.770547][ T8315]  ? validate_linkmsg+0x6fc/0x9c0
[  514.775578][ T8315]  br_dev_newlink+0x27/0x110
[  514.780174][ T8315]  ? br_changelink+0x1760/0x1760
[  514.785099][ T8315]  __rtnl_newlink+0x1173/0x1930
[  514.789959][ T8315]  ? rtnl_link_unregister+0x260/0x260
[  514.795361][ T8315]  rtnl_newlink+0x67/0xa0
[  514.799683][ T8315]  ? __rtnl_newlink+0x1930/0x1930
[  514.804698][ T8315]  rtnetlink_rcv_msg+0x3c7/0xe00
[  514.809627][ T8315]  ? rtnl_fill_vf+0x4a0/0x4a0
[  514.814298][ T8315]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  514.820298][ T8315]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  514.826272][ T8315]  netlink_rcv_skb+0x16b/0x440
[  514.831031][ T8315]  ? rtnl_fill_vf+0x4a0/0x4a0
[  514.835700][ T8315]  ? netlink_ack+0x1380/0x1380
[  514.840456][ T8315]  ? lock_sync+0x190/0x190
[  514.844900][ T8315]  ? netlink_deliver_tap+0x1a0/0xd00
[  514.850178][ T8315]  ? _copy_from_iter+0x2c1/0x10f0
[  514.855202][ T8315]  netlink_unicast+0x53b/0x810
[  514.859980][ T8315]  ? netlink_attachskb+0x880/0x880
[  514.865085][ T8315]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  514.870973][ T8315]  ? __phys_addr_symbol+0x30/0x70
[  514.875990][ T8315]  ? __check_object_size+0x323/0x730
[  514.881269][ T8315]  netlink_sendmsg+0x93c/0xe40
[  514.886059][ T8315]  ? netlink_unicast+0x810/0x810
[  514.890999][ T8315]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  514.896278][ T8315]  ? netlink_unicast+0x810/0x810
[  514.901210][ T8315]  __sock_sendmsg+0xd5/0x180
[  514.905794][ T8315]  ____sys_sendmsg+0x6ac/0x940
[  514.910555][ T8315]  ? copy_msghdr_from_user+0x10b/0x160
[  514.916007][ T8315]  ? kernel_sendmsg+0x50/0x50
[  514.920686][ T8315]  ? hlock_class+0x4e/0x130
[  514.925204][ T8315]  ? __lock_acquire+0x14e0/0x3b10
[  514.930253][ T8315]  ___sys_sendmsg+0x135/0x1d0
[  514.934927][ T8315]  ? do_recvmmsg+0x740/0x740
[  514.939510][ T8315]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  514.945512][ T8315]  ? find_held_lock+0x2d/0x110
[  514.950283][ T8315]  ? __fget_light+0x1fc/0x260
[  514.954949][ T8315]  __sys_sendmsg+0x117/0x1e0
[  514.959535][ T8315]  ? __sys_sendmsg_sock+0x30/0x30
[  514.964554][ T8315]  ? __do_sys_rseq+0x750/0x750
[  514.969315][ T8315]  ? syscall_enter_from_user_mode+0x7f/0x120
[  514.975292][ T8315]  do_syscall_64+0x40/0x110
[  514.979788][ T8315]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  514.985677][ T8315] RIP: 0033:0x7ff3fd6020b9
[  514.990166][ T8315] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  515.009767][ T8315] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  515.018173][ T8315] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  515.026135][ T8315] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  515.034099][ T8315] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  515.042059][ T8315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  515.050017][ T8315] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  515.057985][ T8315]  </TASK>
[  515.062528][ T8315] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  515.107883][ T8316] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  515.117988][ T8316] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  515.127325][ T8316] CPU: 1 PID: 8316 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  515.137755][ T8316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  515.147823][ T8316] Call Trace:
[  515.151095][ T8316]  <TASK>
[  515.154037][ T8316]  dump_stack_lvl+0x125/0x1b0
[  515.158710][ T8316]  sysfs_warn_dup+0x7f/0xa0
[  515.163221][ T8316]  sysfs_create_dir_ns+0x249/0x2b0
[  515.168326][ T8316]  ? sysfs_create_mount_point+0xb0/0xb0
[  515.173861][ T8316]  ? spin_bug+0x1d0/0x1d0
[  515.178444][ T8316]  ? net_namespace+0x12/0x40
[  515.183026][ T8316]  ? device_namespace+0x8d/0xc0
[  515.187870][ T8316]  kobject_add_internal+0x2c8/0x970
[  515.193063][ T8316]  kobject_add+0x16f/0x240
[  515.197475][ T8316]  ? kset_create_and_add+0x190/0x190
[  515.202754][ T8316]  ? do_raw_spin_unlock+0x173/0x230
[  515.207940][ T8316]  ? kobject_put+0xbe/0x440
[  515.212432][ T8316]  ? device_add+0xc35/0x1aa0
[  515.217019][ T8316]  device_add+0x289/0x1aa0
[  515.221430][ T8316]  ? device_initialize+0x510/0x510
[  515.226530][ T8316]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  515.233377][ T8316]  ? __init_waitqueue_head+0xca/0x150
[  515.238749][ T8316]  netdev_register_kobject+0x183/0x3f0
[  515.244211][ T8316]  register_netdevice+0xbe6/0x14b0
[  515.249323][ T8316]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  515.255301][ T8316]  ? validate_linkmsg+0x6fc/0x9c0
[  515.260348][ T8316]  br_dev_newlink+0x27/0x110
[  515.264934][ T8316]  ? br_changelink+0x1760/0x1760
[  515.269867][ T8316]  __rtnl_newlink+0x1173/0x1930
[  515.274724][ T8316]  ? rtnl_link_unregister+0x260/0x260
[  515.280121][ T8316]  rtnl_newlink+0x67/0xa0
[  515.284484][ T8316]  ? __rtnl_newlink+0x1930/0x1930
[  515.289503][ T8316]  rtnetlink_rcv_msg+0x3c7/0xe00
[  515.294437][ T8316]  ? rtnl_fill_vf+0x4a0/0x4a0
[  515.299107][ T8316]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  515.305083][ T8316]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  515.311093][ T8316]  netlink_rcv_skb+0x16b/0x440
[  515.315882][ T8316]  ? rtnl_fill_vf+0x4a0/0x4a0
[  515.320550][ T8316]  ? netlink_ack+0x1380/0x1380
[  515.325309][ T8316]  ? lock_sync+0x190/0x190
[  515.329724][ T8316]  ? netlink_deliver_tap+0x1a0/0xd00
[  515.335013][ T8316]  ? _copy_from_iter+0x2c1/0x10f0
[  515.340039][ T8316]  netlink_unicast+0x53b/0x810
[  515.344833][ T8316]  ? netlink_attachskb+0x880/0x880
[  515.349945][ T8316]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  515.355868][ T8316]  ? __phys_addr_symbol+0x30/0x70
[  515.360885][ T8316]  ? __check_object_size+0x323/0x730
[  515.366162][ T8316]  netlink_sendmsg+0x93c/0xe40
[  515.370949][ T8316]  ? netlink_unicast+0x810/0x810
[  515.375887][ T8316]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  515.381161][ T8316]  ? netlink_unicast+0x810/0x810
[  515.386092][ T8316]  __sock_sendmsg+0xd5/0x180
[  515.390679][ T8316]  ____sys_sendmsg+0x6ac/0x940
[  515.395439][ T8316]  ? copy_msghdr_from_user+0x10b/0x160
[  515.400923][ T8316]  ? kernel_sendmsg+0x50/0x50
[  515.405642][ T8316]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  515.411618][ T8316]  ___sys_sendmsg+0x135/0x1d0
[  515.416288][ T8316]  ? do_recvmmsg+0x740/0x740
[  515.420882][ T8316]  ? find_held_lock+0x2d/0x110
[  515.425667][ T8316]  ? preempt_count_sub+0x160/0x160
[  515.430790][ T8316]  ? __fget_light+0x1fc/0x260
[  515.435483][ T8316]  __sys_sendmsg+0x117/0x1e0
[  515.440064][ T8316]  ? __sys_sendmsg_sock+0x30/0x30
[  515.445103][ T8316]  ? xfd_validate_state+0x5d/0x180
[  515.450214][ T8316]  ? syscall_enter_from_user_mode+0x7f/0x120
[  515.456191][ T8316]  do_syscall_64+0x40/0x110
[  515.460692][ T8316]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  515.466630][ T8316] RIP: 0033:0x7ff3fd6020b9
[  515.471032][ T8316] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  515.490642][ T8316] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  515.499094][ T8316] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  515.507077][ T8316] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  515.515065][ T8316] RBP: 000000000007d82f R08: 0000000000000000 R09: 0000000000000006
[  515.523073][ T8316] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  515.531030][ T8316] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  515.539000][ T8316]  </TASK>
[  515.543413][ T8316] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  515.613379][ T8316] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  515.622583][ T8316] CPU: 1 PID: 8316 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  515.633003][ T8316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  515.643077][ T8316] Call Trace:
[  515.646348][ T8316]  <TASK>
[  515.649272][ T8316]  dump_stack_lvl+0x125/0x1b0
[  515.653944][ T8316]  sysfs_warn_dup+0x7f/0xa0
[  515.658463][ T8316]  sysfs_create_dir_ns+0x249/0x2b0
[  515.663576][ T8316]  ? sysfs_create_mount_point+0xb0/0xb0
[  515.669112][ T8316]  ? spin_bug+0x1d0/0x1d0
[  515.673429][ T8316]  ? net_namespace+0x12/0x40
[  515.678013][ T8316]  ? device_namespace+0x8d/0xc0
[  515.682862][ T8316]  kobject_add_internal+0x2c8/0x970
[  515.688065][ T8316]  kobject_add+0x16f/0x240
[  515.692479][ T8316]  ? kset_create_and_add+0x190/0x190
[  515.697766][ T8316]  ? do_raw_spin_unlock+0x173/0x230
[  515.702957][ T8316]  ? kobject_put+0xbe/0x440
[  515.707463][ T8316]  ? device_add+0xc35/0x1aa0
[  515.712055][ T8316]  device_add+0x289/0x1aa0
[  515.716468][ T8316]  ? device_initialize+0x510/0x510
[  515.721688][ T8316]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  515.728537][ T8316]  ? __init_waitqueue_head+0xca/0x150
[  515.733917][ T8316]  netdev_register_kobject+0x183/0x3f0
[  515.739387][ T8316]  register_netdevice+0xbe6/0x14b0
[  515.744503][ T8316]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  515.750398][ T8316]  ? validate_linkmsg+0x6fc/0x9c0
[  515.755421][ T8316]  br_dev_newlink+0x27/0x110
[  515.760012][ T8316]  ? br_changelink+0x1760/0x1760
[  515.764943][ T8316]  __rtnl_newlink+0x1173/0x1930
[  515.769805][ T8316]  ? rtnl_link_unregister+0x260/0x260
[  515.775195][ T8316]  rtnl_newlink+0x67/0xa0
[  515.779548][ T8316]  ? __rtnl_newlink+0x1930/0x1930
[  515.784569][ T8316]  rtnetlink_rcv_msg+0x3c7/0xe00
[  515.789509][ T8316]  ? rtnl_fill_vf+0x4a0/0x4a0
[  515.794184][ T8316]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  515.800164][ T8316]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  515.806149][ T8316]  netlink_rcv_skb+0x16b/0x440
[  515.810915][ T8316]  ? rtnl_fill_vf+0x4a0/0x4a0
[  515.815589][ T8316]  ? netlink_ack+0x1380/0x1380
[  515.820348][ T8316]  ? lock_sync+0x190/0x190
[  515.824773][ T8316]  ? netlink_deliver_tap+0x1a0/0xd00
[  515.830055][ T8316]  ? _copy_from_iter+0x2c1/0x10f0
[  515.835083][ T8316]  netlink_unicast+0x53b/0x810
[  515.839860][ T8316]  ? netlink_attachskb+0x880/0x880
[  515.844970][ T8316]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  515.850875][ T8316]  ? __phys_addr_symbol+0x30/0x70
[  515.855903][ T8316]  ? __check_object_size+0x323/0x730
[  515.861210][ T8316]  netlink_sendmsg+0x93c/0xe40
[  515.865984][ T8316]  ? netlink_unicast+0x810/0x810
[  515.870945][ T8316]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  515.876319][ T8316]  ? netlink_unicast+0x810/0x810
[  515.881269][ T8316]  __sock_sendmsg+0xd5/0x180
[  515.885930][ T8316]  ____sys_sendmsg+0x6ac/0x940
[  515.890712][ T8316]  ? copy_msghdr_from_user+0x10b/0x160
[  515.896178][ T8316]  ? kernel_sendmsg+0x50/0x50
[  515.900859][ T8316]  ? hlock_class+0x4e/0x130
[  515.905361][ T8316]  ? __lock_acquire+0x14e0/0x3b10
[  515.910394][ T8316]  ___sys_sendmsg+0x135/0x1d0
[  515.915085][ T8316]  ? do_recvmmsg+0x740/0x740
[  515.919677][ T8316]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  515.925659][ T8316]  ? find_held_lock+0x2d/0x110
[  515.930445][ T8316]  ? __fget_light+0x1fc/0x260
[  515.935210][ T8316]  __sys_sendmsg+0x117/0x1e0
[  515.939799][ T8316]  ? __sys_sendmsg_sock+0x30/0x30
[  515.944827][ T8316]  ? __do_sys_rseq+0x750/0x750
[  515.949603][ T8316]  ? syscall_enter_from_user_mode+0x7f/0x120
[  515.955589][ T8316]  do_syscall_64+0x40/0x110
[  515.960096][ T8316]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  515.965990][ T8316] RIP: 0033:0x7ff3fd6020b9
[  515.970396][ T8316] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  515.990002][ T8316] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  515.998498][ T8316] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  516.006484][ T8316] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  516.014448][ T8316] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  516.022411][ T8316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  516.030374][ T8316] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  516.038351][ T8316]  </TASK>
[  516.044404][ T8316] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  516.109146][ T8317] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  516.119301][ T8317] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  516.128520][ T8317] CPU: 1 PID: 8317 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  516.138947][ T8317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  516.148990][ T8317] Call Trace:
[  516.152263][ T8317]  <TASK>
[  516.155186][ T8317]  dump_stack_lvl+0x125/0x1b0
[  516.159872][ T8317]  sysfs_warn_dup+0x7f/0xa0
[  516.164398][ T8317]  sysfs_create_dir_ns+0x249/0x2b0
[  516.169505][ T8317]  ? sysfs_create_mount_point+0xb0/0xb0
[  516.175042][ T8317]  ? spin_bug+0x1d0/0x1d0
[  516.179362][ T8317]  ? net_namespace+0x12/0x40
[  516.183963][ T8317]  ? device_namespace+0x8d/0xc0
[  516.188808][ T8317]  kobject_add_internal+0x2c8/0x970
[  516.194086][ T8317]  kobject_add+0x16f/0x240
[  516.198499][ T8317]  ? kset_create_and_add+0x190/0x190
[  516.203776][ T8317]  ? do_raw_spin_unlock+0x173/0x230
[  516.208961][ T8317]  ? kobject_put+0xbe/0x440
[  516.213454][ T8317]  ? device_add+0xc35/0x1aa0
[  516.218035][ T8317]  device_add+0x289/0x1aa0
[  516.222443][ T8317]  ? device_initialize+0x510/0x510
[  516.227551][ T8317]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  516.234392][ T8317]  ? __init_waitqueue_head+0xca/0x150
[  516.239772][ T8317]  netdev_register_kobject+0x183/0x3f0
[  516.245239][ T8317]  register_netdevice+0xbe6/0x14b0
[  516.250374][ T8317]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  516.256257][ T8317]  ? validate_linkmsg+0x6fc/0x9c0
[  516.261272][ T8317]  br_dev_newlink+0x27/0x110
[  516.265880][ T8317]  ? br_changelink+0x1760/0x1760
[  516.270816][ T8317]  __rtnl_newlink+0x1173/0x1930
[  516.275670][ T8317]  ? rtnl_link_unregister+0x260/0x260
[  516.281044][ T8317]  rtnl_newlink+0x67/0xa0
[  516.285363][ T8317]  ? __rtnl_newlink+0x1930/0x1930
[  516.290376][ T8317]  rtnetlink_rcv_msg+0x3c7/0xe00
[  516.295310][ T8317]  ? rtnl_fill_vf+0x4a0/0x4a0
[  516.299981][ T8317]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  516.305956][ T8317]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  516.311935][ T8317]  netlink_rcv_skb+0x16b/0x440
[  516.316693][ T8317]  ? rtnl_fill_vf+0x4a0/0x4a0
[  516.321369][ T8317]  ? netlink_ack+0x1380/0x1380
[  516.326125][ T8317]  ? lock_sync+0x190/0x190
[  516.330543][ T8317]  ? netlink_deliver_tap+0x1a0/0xd00
[  516.335826][ T8317]  ? _copy_from_iter+0x2c1/0x10f0
[  516.340851][ T8317]  netlink_unicast+0x53b/0x810
[  516.345618][ T8317]  ? netlink_attachskb+0x880/0x880
[  516.350728][ T8317]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  516.356618][ T8317]  ? __phys_addr_symbol+0x30/0x70
[  516.361634][ T8317]  ? __check_object_size+0x323/0x730
[  516.366910][ T8317]  netlink_sendmsg+0x93c/0xe40
[  516.371671][ T8317]  ? netlink_unicast+0x810/0x810
[  516.376612][ T8317]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  516.381886][ T8317]  ? netlink_unicast+0x810/0x810
[  516.386817][ T8317]  __sock_sendmsg+0xd5/0x180
[  516.391413][ T8317]  ____sys_sendmsg+0x6ac/0x940
[  516.396169][ T8317]  ? copy_msghdr_from_user+0x10b/0x160
[  516.401632][ T8317]  ? kernel_sendmsg+0x50/0x50
[  516.406392][ T8317]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  516.412372][ T8317]  ___sys_sendmsg+0x135/0x1d0
[  516.417050][ T8317]  ? do_recvmmsg+0x740/0x740
[  516.421638][ T8317]  ? find_held_lock+0x2d/0x110
[  516.426406][ T8317]  ? preempt_count_sub+0x160/0x160
[  516.431521][ T8317]  ? __fget_light+0x1fc/0x260
[  516.436193][ T8317]  __sys_sendmsg+0x117/0x1e0
[  516.440789][ T8317]  ? __sys_sendmsg_sock+0x30/0x30
[  516.445812][ T8317]  ? xfd_validate_state+0x5d/0x180
[  516.450929][ T8317]  ? syscall_enter_from_user_mode+0x7f/0x120
[  516.456915][ T8317]  do_syscall_64+0x40/0x110
[  516.461417][ T8317]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  516.467309][ T8317] RIP: 0033:0x7ff3fd6020b9
[  516.471719][ T8317] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  516.491324][ T8317] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  516.499731][ T8317] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  516.507693][ T8317] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  516.515657][ T8317] RBP: 000000000007dc0d R08: 0000000000000000 R09: 0000000000000006
[  516.523623][ T8317] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  516.531586][ T8317] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  516.539572][ T8317]  </TASK>
[  516.545424][ T8317] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  516.634520][ T8317] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  516.643750][ T8317] CPU: 1 PID: 8317 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  516.654173][ T8317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  516.664218][ T8317] Call Trace:
[  516.667521][ T8317]  <TASK>
[  516.670445][ T8317]  dump_stack_lvl+0x125/0x1b0
[  516.675154][ T8317]  sysfs_warn_dup+0x7f/0xa0
[  516.679719][ T8317]  sysfs_create_dir_ns+0x249/0x2b0
[  516.684835][ T8317]  ? sysfs_create_mount_point+0xb0/0xb0
[  516.690380][ T8317]  ? spin_bug+0x1d0/0x1d0
[  516.694703][ T8317]  ? net_namespace+0x12/0x40
[  516.699287][ T8317]  ? device_namespace+0x8d/0xc0
[  516.704150][ T8317]  kobject_add_internal+0x2c8/0x970
[  516.709364][ T8317]  kobject_add+0x16f/0x240
[  516.713787][ T8317]  ? kset_create_and_add+0x190/0x190
[  516.719073][ T8317]  ? do_raw_spin_unlock+0x173/0x230
[  516.724268][ T8317]  ? kobject_put+0xbe/0x440
[  516.728784][ T8317]  ? device_add+0xc35/0x1aa0
[  516.733376][ T8317]  device_add+0x289/0x1aa0
[  516.737795][ T8317]  ? device_initialize+0x510/0x510
[  516.742909][ T8317]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  516.749763][ T8317]  ? __init_waitqueue_head+0xca/0x150
[  516.755141][ T8317]  netdev_register_kobject+0x183/0x3f0
[  516.760612][ T8317]  register_netdevice+0xbe6/0x14b0
[  516.765734][ T8317]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  516.771630][ T8317]  ? validate_linkmsg+0x6fc/0x9c0
[  516.776658][ T8317]  br_dev_newlink+0x27/0x110
[  516.781249][ T8317]  ? br_changelink+0x1760/0x1760
[  516.786181][ T8317]  __rtnl_newlink+0x1173/0x1930
[  516.791036][ T8317]  ? rtnl_link_unregister+0x260/0x260
[  516.796422][ T8317]  rtnl_newlink+0x67/0xa0
[  516.800781][ T8317]  ? __rtnl_newlink+0x1930/0x1930
[  516.805804][ T8317]  rtnetlink_rcv_msg+0x3c7/0xe00
[  516.810745][ T8317]  ? rtnl_fill_vf+0x4a0/0x4a0
[  516.815420][ T8317]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  516.821404][ T8317]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  516.827392][ T8317]  netlink_rcv_skb+0x16b/0x440
[  516.832163][ T8317]  ? rtnl_fill_vf+0x4a0/0x4a0
[  516.836849][ T8317]  ? netlink_ack+0x1380/0x1380
[  516.841614][ T8317]  ? lock_sync+0x190/0x190
[  516.846042][ T8317]  ? netlink_deliver_tap+0x1a0/0xd00
[  516.851332][ T8317]  ? _copy_from_iter+0x2c1/0x10f0
[  516.856362][ T8317]  netlink_unicast+0x53b/0x810
[  516.861133][ T8317]  ? netlink_attachskb+0x880/0x880
[  516.866244][ T8317]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  516.872137][ T8317]  ? __phys_addr_symbol+0x30/0x70
[  516.877160][ T8317]  ? __check_object_size+0x323/0x730
[  516.882532][ T8317]  netlink_sendmsg+0x93c/0xe40
[  516.887305][ T8317]  ? netlink_unicast+0x810/0x810
[  516.892251][ T8317]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  516.897535][ T8317]  ? netlink_unicast+0x810/0x810
[  516.902477][ T8317]  __sock_sendmsg+0xd5/0x180
[  516.907069][ T8317]  ____sys_sendmsg+0x6ac/0x940
[  516.911830][ T8317]  ? copy_msghdr_from_user+0x10b/0x160
[  516.917286][ T8317]  ? kernel_sendmsg+0x50/0x50
[  516.921959][ T8317]  ? hlock_class+0x4e/0x130
[  516.926478][ T8317]  ? __lock_acquire+0x14e0/0x3b10
[  516.931517][ T8317]  ___sys_sendmsg+0x135/0x1d0
[  516.936196][ T8317]  ? do_recvmmsg+0x740/0x740
[  516.940782][ T8317]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  516.946762][ T8317]  ? find_held_lock+0x2d/0x110
[  516.951542][ T8317]  ? __fget_light+0x1fc/0x260
[  516.956217][ T8317]  __sys_sendmsg+0x117/0x1e0
[  516.960808][ T8317]  ? __sys_sendmsg_sock+0x30/0x30
[  516.965832][ T8317]  ? __do_sys_rseq+0x750/0x750
[  516.970601][ T8317]  ? syscall_enter_from_user_mode+0x7f/0x120
[  516.976591][ T8317]  do_syscall_64+0x40/0x110
[  516.981099][ T8317]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  516.986991][ T8317] RIP: 0033:0x7ff3fd6020b9
[  516.991399][ T8317] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  517.011005][ T8317] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  517.019413][ T8317] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  517.027380][ T8317] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  517.035347][ T8317] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  517.043313][ T8317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  517.051279][ T8317] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  517.059252][ T8317]  </TASK>
[  517.063244][ T8317] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  517.128211][ T8318] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  517.138357][ T8318] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  517.147514][ T8318] CPU: 0 PID: 8318 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  517.157937][ T8318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  517.167981][ T8318] Call Trace:
[  517.171264][ T8318]  <TASK>
[  517.174196][ T8318]  dump_stack_lvl+0x125/0x1b0
[  517.178865][ T8318]  sysfs_warn_dup+0x7f/0xa0
[  517.183366][ T8318]  sysfs_create_dir_ns+0x249/0x2b0
[  517.188482][ T8318]  ? sysfs_create_mount_point+0xb0/0xb0
[  517.194027][ T8318]  ? spin_bug+0x1d0/0x1d0
[  517.198352][ T8318]  ? net_namespace+0x12/0x40
[  517.202939][ T8318]  ? device_namespace+0x8d/0xc0
[  517.207797][ T8318]  kobject_add_internal+0x2c8/0x970
[  517.213001][ T8318]  kobject_add+0x16f/0x240
[  517.217415][ T8318]  ? kset_create_and_add+0x190/0x190
[  517.222705][ T8318]  ? do_raw_spin_unlock+0x173/0x230
[  517.227901][ T8318]  ? kobject_put+0xbe/0x440
[  517.232400][ T8318]  ? device_add+0xc35/0x1aa0
[  517.236993][ T8318]  device_add+0x289/0x1aa0
[  517.241410][ T8318]  ? device_initialize+0x510/0x510
[  517.246518][ T8318]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  517.253370][ T8318]  ? __init_waitqueue_head+0xca/0x150
[  517.258754][ T8318]  netdev_register_kobject+0x183/0x3f0
[  517.264230][ T8318]  register_netdevice+0xbe6/0x14b0
[  517.269348][ T8318]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  517.275257][ T8318]  ? validate_linkmsg+0x6fc/0x9c0
[  517.280280][ T8318]  br_dev_newlink+0x27/0x110
[  517.284871][ T8318]  ? br_changelink+0x1760/0x1760
[  517.289821][ T8318]  __rtnl_newlink+0x1173/0x1930
[  517.294678][ T8318]  ? rtnl_link_unregister+0x260/0x260
[  517.300070][ T8318]  rtnl_newlink+0x67/0xa0
[  517.304399][ T8318]  ? __rtnl_newlink+0x1930/0x1930
[  517.309419][ T8318]  rtnetlink_rcv_msg+0x3c7/0xe00
[  517.314360][ T8318]  ? rtnl_fill_vf+0x4a0/0x4a0
[  517.319033][ T8318]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  517.325017][ T8318]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  517.331003][ T8318]  netlink_rcv_skb+0x16b/0x440
[  517.335769][ T8318]  ? rtnl_fill_vf+0x4a0/0x4a0
[  517.340440][ T8318]  ? netlink_ack+0x1380/0x1380
[  517.345210][ T8318]  ? lock_sync+0x190/0x190
[  517.349637][ T8318]  ? netlink_deliver_tap+0x1a0/0xd00
[  517.354920][ T8318]  ? _copy_from_iter+0x2c1/0x10f0
[  517.359947][ T8318]  netlink_unicast+0x53b/0x810
[  517.364715][ T8318]  ? netlink_attachskb+0x880/0x880
[  517.369831][ T8318]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  517.375725][ T8318]  ? __phys_addr_symbol+0x30/0x70
[  517.380750][ T8318]  ? __check_object_size+0x323/0x730
[  517.386042][ T8318]  netlink_sendmsg+0x93c/0xe40
[  517.390827][ T8318]  ? netlink_unicast+0x810/0x810
[  517.395768][ T8318]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  517.401097][ T8318]  ? netlink_unicast+0x810/0x810
[  517.406038][ T8318]  __sock_sendmsg+0xd5/0x180
[  517.410627][ T8318]  ____sys_sendmsg+0x6ac/0x940
[  517.415392][ T8318]  ? copy_msghdr_from_user+0x10b/0x160
[  517.420851][ T8318]  ? kernel_sendmsg+0x50/0x50
[  517.425529][ T8318]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  517.431516][ T8318]  ___sys_sendmsg+0x135/0x1d0
[  517.436193][ T8318]  ? do_recvmmsg+0x740/0x740
[  517.440780][ T8318]  ? find_held_lock+0x2d/0x110
[  517.445548][ T8318]  ? preempt_count_sub+0x160/0x160
[  517.450662][ T8318]  ? __fget_light+0x1fc/0x260
[  517.455335][ T8318]  __sys_sendmsg+0x117/0x1e0
[  517.459921][ T8318]  ? __sys_sendmsg_sock+0x30/0x30
[  517.464943][ T8318]  ? xfd_validate_state+0x5d/0x180
[  517.470063][ T8318]  ? syscall_enter_from_user_mode+0x7f/0x120
[  517.476047][ T8318]  do_syscall_64+0x40/0x110
[  517.480546][ T8318]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  517.486439][ T8318] RIP: 0033:0x7ff3fd6020b9
[  517.490872][ T8318] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  517.510490][ T8318] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  517.518907][ T8318] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  517.526901][ T8318] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  517.534875][ T8318] RBP: 000000000007dff6 R08: 0000000000000000 R09: 0000000000000006
[  517.542846][ T8318] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  517.550809][ T8318] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  517.558785][ T8318]  </TASK>
[  517.562511][ T8318] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  517.613220][ T8318] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  517.622414][ T8318] CPU: 0 PID: 8318 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  517.632836][ T8318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  517.642905][ T8318] Call Trace:
[  517.646175][ T8318]  <TASK>
[  517.649096][ T8318]  dump_stack_lvl+0x125/0x1b0
[  517.653768][ T8318]  sysfs_warn_dup+0x7f/0xa0
[  517.658261][ T8318]  sysfs_create_dir_ns+0x249/0x2b0
[  517.663363][ T8318]  ? sysfs_create_mount_point+0xb0/0xb0
[  517.668901][ T8318]  ? spin_bug+0x1d0/0x1d0
[  517.673307][ T8318]  ? net_namespace+0x12/0x40
[  517.677886][ T8318]  ? device_namespace+0x8d/0xc0
[  517.682742][ T8318]  kobject_add_internal+0x2c8/0x970
[  517.687950][ T8318]  kobject_add+0x16f/0x240
[  517.692459][ T8318]  ? kset_create_and_add+0x190/0x190
[  517.697741][ T8318]  ? do_raw_spin_unlock+0x173/0x230
[  517.702940][ T8318]  ? kobject_put+0xbe/0x440
[  517.707465][ T8318]  ? device_add+0xc35/0x1aa0
[  517.712055][ T8318]  device_add+0x289/0x1aa0
[  517.716471][ T8318]  ? device_initialize+0x510/0x510
[  517.721575][ T8318]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  517.728423][ T8318]  ? __init_waitqueue_head+0xca/0x150
[  517.733796][ T8318]  netdev_register_kobject+0x183/0x3f0
[  517.739263][ T8318]  register_netdevice+0xbe6/0x14b0
[  517.744380][ T8318]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  517.750275][ T8318]  ? validate_linkmsg+0x6fc/0x9c0
[  517.755300][ T8318]  br_dev_newlink+0x27/0x110
[  517.759888][ T8318]  ? br_changelink+0x1760/0x1760
[  517.764823][ T8318]  __rtnl_newlink+0x1173/0x1930
[  517.769686][ T8318]  ? rtnl_link_unregister+0x260/0x260
[  517.775078][ T8318]  rtnl_newlink+0x67/0xa0
[  517.779406][ T8318]  ? __rtnl_newlink+0x1930/0x1930
[  517.784430][ T8318]  rtnetlink_rcv_msg+0x3c7/0xe00
[  517.789369][ T8318]  ? rtnl_fill_vf+0x4a0/0x4a0
[  517.794045][ T8318]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  517.800027][ T8318]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  517.806043][ T8318]  netlink_rcv_skb+0x16b/0x440
[  517.810810][ T8318]  ? rtnl_fill_vf+0x4a0/0x4a0
[  517.815499][ T8318]  ? netlink_ack+0x1380/0x1380
[  517.820262][ T8318]  ? lock_sync+0x190/0x190
[  517.824693][ T8318]  ? netlink_deliver_tap+0x1a0/0xd00
[  517.829978][ T8318]  ? _copy_from_iter+0x2c1/0x10f0
[  517.835006][ T8318]  netlink_unicast+0x53b/0x810
[  517.839775][ T8318]  ? netlink_attachskb+0x880/0x880
[  517.844888][ T8318]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  517.850778][ T8318]  ? __phys_addr_symbol+0x30/0x70
[  517.855805][ T8318]  ? __check_object_size+0x323/0x730
[  517.861097][ T8318]  netlink_sendmsg+0x93c/0xe40
[  517.865869][ T8318]  ? netlink_unicast+0x810/0x810
[  517.870814][ T8318]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  517.876095][ T8318]  ? netlink_unicast+0x810/0x810
[  517.881036][ T8318]  __sock_sendmsg+0xd5/0x180
[  517.885625][ T8318]  ____sys_sendmsg+0x6ac/0x940
[  517.890387][ T8318]  ? copy_msghdr_from_user+0x10b/0x160
[  517.895844][ T8318]  ? kernel_sendmsg+0x50/0x50
[  517.900518][ T8318]  ? hlock_class+0x4e/0x130
[  517.905024][ T8318]  ? __lock_acquire+0x14e0/0x3b10
[  517.910052][ T8318]  ___sys_sendmsg+0x135/0x1d0
[  517.914731][ T8318]  ? do_recvmmsg+0x740/0x740
[  517.919320][ T8318]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  517.925304][ T8318]  ? find_held_lock+0x2d/0x110
[  517.930085][ T8318]  ? __fget_light+0x1fc/0x260
[  517.934761][ T8318]  __sys_sendmsg+0x117/0x1e0
[  517.939357][ T8318]  ? __sys_sendmsg_sock+0x30/0x30
[  517.944379][ T8318]  ? __do_sys_rseq+0x750/0x750
[  517.949151][ T8318]  ? syscall_enter_from_user_mode+0x7f/0x120
[  517.955138][ T8318]  do_syscall_64+0x40/0x110
[  517.959646][ T8318]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  517.965546][ T8318] RIP: 0033:0x7ff3fd6020b9
[  517.969954][ T8318] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  517.989565][ T8318] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  517.997981][ T8318] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  518.005956][ T8318] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  518.013925][ T8318] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  518.021941][ T8318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  518.029914][ T8318] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  518.037894][ T8318]  </TASK>
[  518.042414][ T8318] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  518.097819][ T8319] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  518.107969][ T8319] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  518.117139][ T8319] CPU: 0 PID: 8319 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  518.127556][ T8319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  518.137622][ T8319] Call Trace:
[  518.140914][ T8319]  <TASK>
[  518.143853][ T8319]  dump_stack_lvl+0x125/0x1b0
[  518.148535][ T8319]  sysfs_warn_dup+0x7f/0xa0
[  518.153031][ T8319]  sysfs_create_dir_ns+0x249/0x2b0
[  518.158154][ T8319]  ? sysfs_create_mount_point+0xb0/0xb0
[  518.163691][ T8319]  ? spin_bug+0x1d0/0x1d0
[  518.168007][ T8319]  ? net_namespace+0x12/0x40
[  518.172590][ T8319]  ? device_namespace+0x8d/0xc0
[  518.177446][ T8319]  kobject_add_internal+0x2c8/0x970
[  518.182681][ T8319]  kobject_add+0x16f/0x240
[  518.187096][ T8319]  ? kset_create_and_add+0x190/0x190
[  518.192379][ T8319]  ? do_raw_spin_unlock+0x173/0x230
[  518.197572][ T8319]  ? kobject_put+0xbe/0x440
[  518.202071][ T8319]  ? device_add+0xc35/0x1aa0
[  518.206659][ T8319]  device_add+0x289/0x1aa0
[  518.211070][ T8319]  ? device_initialize+0x510/0x510
[  518.216174][ T8319]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  518.223022][ T8319]  ? __init_waitqueue_head+0xca/0x150
[  518.228396][ T8319]  netdev_register_kobject+0x183/0x3f0
[  518.233861][ T8319]  register_netdevice+0xbe6/0x14b0
[  518.238972][ T8319]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  518.244867][ T8319]  ? validate_linkmsg+0x6fc/0x9c0
[  518.249895][ T8319]  br_dev_newlink+0x27/0x110
[  518.254486][ T8319]  ? br_changelink+0x1760/0x1760
[  518.259423][ T8319]  __rtnl_newlink+0x1173/0x1930
[  518.264278][ T8319]  ? rtnl_link_unregister+0x260/0x260
[  518.269666][ T8319]  rtnl_newlink+0x67/0xa0
[  518.273994][ T8319]  ? __rtnl_newlink+0x1930/0x1930
[  518.279043][ T8319]  rtnetlink_rcv_msg+0x3c7/0xe00
[  518.284006][ T8319]  ? rtnl_fill_vf+0x4a0/0x4a0
[  518.288684][ T8319]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  518.294670][ T8319]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  518.300662][ T8319]  netlink_rcv_skb+0x16b/0x440
[  518.305430][ T8319]  ? rtnl_fill_vf+0x4a0/0x4a0
[  518.310192][ T8319]  ? netlink_ack+0x1380/0x1380
[  518.314954][ T8319]  ? lock_sync+0x190/0x190
[  518.319381][ T8319]  ? netlink_deliver_tap+0x1a0/0xd00
[  518.324668][ T8319]  ? _copy_from_iter+0x2c1/0x10f0
[  518.329694][ T8319]  netlink_unicast+0x53b/0x810
[  518.334462][ T8319]  ? netlink_attachskb+0x880/0x880
[  518.339584][ T8319]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  518.345475][ T8319]  ? __phys_addr_symbol+0x30/0x70
[  518.350508][ T8319]  ? __check_object_size+0x323/0x730
[  518.355790][ T8319]  netlink_sendmsg+0x93c/0xe40
[  518.360558][ T8319]  ? netlink_unicast+0x810/0x810
[  518.365501][ T8319]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  518.370788][ T8319]  ? netlink_unicast+0x810/0x810
[  518.375726][ T8319]  __sock_sendmsg+0xd5/0x180
[  518.380313][ T8319]  ____sys_sendmsg+0x6ac/0x940
[  518.385099][ T8319]  ? copy_msghdr_from_user+0x10b/0x160
[  518.390572][ T8319]  ? kernel_sendmsg+0x50/0x50
[  518.395252][ T8319]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  518.401236][ T8319]  ___sys_sendmsg+0x135/0x1d0
[  518.405917][ T8319]  ? do_recvmmsg+0x740/0x740
[  518.410504][ T8319]  ? find_held_lock+0x2d/0x110
[  518.415276][ T8319]  ? preempt_count_sub+0x160/0x160
[  518.420388][ T8319]  ? __fget_light+0x1fc/0x260
[  518.425061][ T8319]  __sys_sendmsg+0x117/0x1e0
[  518.429653][ T8319]  ? __sys_sendmsg_sock+0x30/0x30
[  518.434672][ T8319]  ? xfd_validate_state+0x5d/0x180
[  518.439792][ T8319]  ? syscall_enter_from_user_mode+0x7f/0x120
[  518.445773][ T8319]  do_syscall_64+0x40/0x110
[  518.450269][ T8319]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  518.456166][ T8319] RIP: 0033:0x7ff3fd6020b9
[  518.460573][ T8319] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  518.480180][ T8319] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  518.488593][ T8319] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  518.496559][ T8319] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  518.504527][ T8319] RBP: 000000000007e3f1 R08: 0000000000000000 R09: 0000000000000006
[  518.512491][ T8319] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  518.520456][ T8319] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  518.528431][ T8319]  </TASK>
[  518.531702][ T8319] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  518.593357][ T8319] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  518.602608][ T8319] CPU: 0 PID: 8319 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  518.613033][ T8319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  518.623071][ T8319] Call Trace:
[  518.626335][ T8319]  <TASK>
[  518.629248][ T8319]  dump_stack_lvl+0x125/0x1b0
[  518.633916][ T8319]  sysfs_warn_dup+0x7f/0xa0
[  518.638404][ T8319]  sysfs_create_dir_ns+0x249/0x2b0
[  518.643502][ T8319]  ? sysfs_create_mount_point+0xb0/0xb0
[  518.649032][ T8319]  ? spin_bug+0x1d0/0x1d0
[  518.653351][ T8319]  ? net_namespace+0x12/0x40
[  518.657967][ T8319]  ? device_namespace+0x8d/0xc0
[  518.662822][ T8319]  kobject_add_internal+0x2c8/0x970
[  518.668027][ T8319]  kobject_add+0x16f/0x240
[  518.672443][ T8319]  ? kset_create_and_add+0x190/0x190
[  518.677743][ T8319]  ? do_raw_spin_unlock+0x173/0x230
[  518.682936][ T8319]  ? kobject_put+0xbe/0x440
[  518.687438][ T8319]  ? device_add+0xc35/0x1aa0
[  518.692054][ T8319]  device_add+0x289/0x1aa0
[  518.696466][ T8319]  ? device_initialize+0x510/0x510
[  518.701574][ T8319]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  518.708425][ T8319]  ? __init_waitqueue_head+0xca/0x150
[  518.713805][ T8319]  netdev_register_kobject+0x183/0x3f0
[  518.719267][ T8319]  register_netdevice+0xbe6/0x14b0
[  518.724380][ T8319]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  518.730272][ T8319]  ? validate_linkmsg+0x6fc/0x9c0
[  518.735292][ T8319]  br_dev_newlink+0x27/0x110
[  518.739881][ T8319]  ? br_changelink+0x1760/0x1760
[  518.744816][ T8319]  __rtnl_newlink+0x1173/0x1930
[  518.749673][ T8319]  ? rtnl_link_unregister+0x260/0x260
[  518.755059][ T8319]  rtnl_newlink+0x67/0xa0
[  518.759387][ T8319]  ? __rtnl_newlink+0x1930/0x1930
[  518.764409][ T8319]  rtnetlink_rcv_msg+0x3c7/0xe00
[  518.769346][ T8319]  ? rtnl_fill_vf+0x4a0/0x4a0
[  518.774018][ T8319]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  518.779999][ T8319]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  518.785986][ T8319]  netlink_rcv_skb+0x16b/0x440
[  518.790777][ T8319]  ? rtnl_fill_vf+0x4a0/0x4a0
[  518.795451][ T8319]  ? netlink_ack+0x1380/0x1380
[  518.800216][ T8319]  ? lock_sync+0x190/0x190
[  518.804645][ T8319]  ? netlink_deliver_tap+0x1a0/0xd00
[  518.809930][ T8319]  ? _copy_from_iter+0x2c1/0x10f0
[  518.814957][ T8319]  netlink_unicast+0x53b/0x810
[  518.819724][ T8319]  ? netlink_attachskb+0x880/0x880
[  518.824829][ T8319]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  518.830717][ T8319]  ? __phys_addr_symbol+0x30/0x70
[  518.835735][ T8319]  ? __check_object_size+0x323/0x730
[  518.841016][ T8319]  netlink_sendmsg+0x93c/0xe40
[  518.845782][ T8319]  ? netlink_unicast+0x810/0x810
[  518.850727][ T8319]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  518.856015][ T8319]  ? netlink_unicast+0x810/0x810
[  518.860956][ T8319]  __sock_sendmsg+0xd5/0x180
[  518.865546][ T8319]  ____sys_sendmsg+0x6ac/0x940
[  518.870306][ T8319]  ? copy_msghdr_from_user+0x10b/0x160
[  518.875765][ T8319]  ? kernel_sendmsg+0x50/0x50
[  518.880443][ T8319]  ___sys_sendmsg+0x135/0x1d0
[  518.885122][ T8319]  ? do_recvmmsg+0x740/0x740
[  518.889710][ T8319]  ? find_held_lock+0x2d/0x110
[  518.894481][ T8319]  ? preempt_count_sub+0x160/0x160
[  518.899596][ T8319]  ? __fget_light+0x1fc/0x260
[  518.904268][ T8319]  __sys_sendmsg+0x117/0x1e0
[  518.908858][ T8319]  ? __sys_sendmsg_sock+0x30/0x30
[  518.913888][ T8319]  ? syscall_enter_from_user_mode+0x7f/0x120
[  518.919868][ T8319]  do_syscall_64+0x40/0x110
[  518.924370][ T8319]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  518.930263][ T8319] RIP: 0033:0x7ff3fd6020b9
[  518.934672][ T8319] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  518.954360][ T8319] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  518.962794][ T8319] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  518.970763][ T8319] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  518.978724][ T8319] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  518.986705][ T8319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  518.994666][ T8319] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  519.002639][ T8319]  </TASK>
[  519.006115][ T8319] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  519.068088][ T8320] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  519.078199][ T8320] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  519.087365][ T8320] CPU: 0 PID: 8320 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  519.097792][ T8320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  519.107836][ T8320] Call Trace:
[  519.111107][ T8320]  <TASK>
[  519.114059][ T8320]  dump_stack_lvl+0x125/0x1b0
[  519.118732][ T8320]  sysfs_warn_dup+0x7f/0xa0
[  519.123244][ T8320]  sysfs_create_dir_ns+0x249/0x2b0
[  519.128380][ T8320]  ? sysfs_create_mount_point+0xb0/0xb0
[  519.133935][ T8320]  ? spin_bug+0x1d0/0x1d0
[  519.138276][ T8320]  ? net_namespace+0x12/0x40
[  519.142861][ T8320]  ? device_namespace+0x8d/0xc0
[  519.147720][ T8320]  kobject_add_internal+0x2c8/0x970
[  519.152919][ T8320]  kobject_add+0x16f/0x240
[  519.157334][ T8320]  ? kset_create_and_add+0x190/0x190
[  519.162617][ T8320]  ? do_raw_spin_unlock+0x173/0x230
[  519.167810][ T8320]  ? kobject_put+0xbe/0x440
[  519.172314][ T8320]  ? device_add+0xc35/0x1aa0
[  519.176908][ T8320]  device_add+0x289/0x1aa0
[  519.181353][ T8320]  ? device_initialize+0x510/0x510
[  519.186498][ T8320]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  519.193362][ T8320]  ? __init_waitqueue_head+0xca/0x150
[  519.198742][ T8320]  netdev_register_kobject+0x183/0x3f0
[  519.204209][ T8320]  register_netdevice+0xbe6/0x14b0
[  519.209324][ T8320]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  519.215219][ T8320]  ? validate_linkmsg+0x6fc/0x9c0
[  519.220238][ T8320]  br_dev_newlink+0x27/0x110
[  519.224855][ T8320]  ? br_changelink+0x1760/0x1760
[  519.229791][ T8320]  __rtnl_newlink+0x1173/0x1930
[  519.234650][ T8320]  ? rtnl_link_unregister+0x260/0x260
[  519.240153][ T8320]  rtnl_newlink+0x67/0xa0
[  519.244507][ T8320]  ? __rtnl_newlink+0x1930/0x1930
[  519.249537][ T8320]  rtnetlink_rcv_msg+0x3c7/0xe00
[  519.254488][ T8320]  ? rtnl_fill_vf+0x4a0/0x4a0
[  519.259171][ T8320]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  519.265157][ T8320]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  519.271144][ T8320]  netlink_rcv_skb+0x16b/0x440
[  519.275948][ T8320]  ? rtnl_fill_vf+0x4a0/0x4a0
[  519.280648][ T8320]  ? netlink_ack+0x1380/0x1380
[  519.285416][ T8320]  ? lock_sync+0x190/0x190
[  519.289875][ T8320]  ? netlink_deliver_tap+0x1a0/0xd00
[  519.295178][ T8320]  ? _copy_from_iter+0x2c1/0x10f0
[  519.300209][ T8320]  netlink_unicast+0x53b/0x810
[  519.304977][ T8320]  ? netlink_attachskb+0x880/0x880
[  519.310092][ T8320]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  519.315983][ T8320]  ? __phys_addr_symbol+0x30/0x70
[  519.321007][ T8320]  ? __check_object_size+0x323/0x730
[  519.326290][ T8320]  netlink_sendmsg+0x93c/0xe40
[  519.331060][ T8320]  ? netlink_unicast+0x810/0x810
[  519.336006][ T8320]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  519.341297][ T8320]  ? netlink_unicast+0x810/0x810
[  519.346233][ T8320]  __sock_sendmsg+0xd5/0x180
[  519.350825][ T8320]  ____sys_sendmsg+0x6ac/0x940
[  519.355586][ T8320]  ? copy_msghdr_from_user+0x10b/0x160
[  519.361040][ T8320]  ? kernel_sendmsg+0x50/0x50
[  519.365720][ T8320]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  519.371702][ T8320]  ___sys_sendmsg+0x135/0x1d0
[  519.376382][ T8320]  ? do_recvmmsg+0x740/0x740
[  519.380967][ T8320]  ? find_held_lock+0x2d/0x110
[  519.385736][ T8320]  ? preempt_count_sub+0x160/0x160
[  519.390854][ T8320]  ? __fget_light+0x1fc/0x260
[  519.395531][ T8320]  __sys_sendmsg+0x117/0x1e0
[  519.400128][ T8320]  ? __sys_sendmsg_sock+0x30/0x30
[  519.405167][ T8320]  ? xfd_validate_state+0x5d/0x180
[  519.410288][ T8320]  ? syscall_enter_from_user_mode+0x7f/0x120
[  519.416271][ T8320]  do_syscall_64+0x40/0x110
[  519.420771][ T8320]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  519.426666][ T8320] RIP: 0033:0x7ff3fd6020b9
[  519.431071][ T8320] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  519.450684][ T8320] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  519.459090][ T8320] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  519.467053][ T8320] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  519.475021][ T8320] RBP: 000000000007e7bb R08: 0000000000000000 R09: 0000000000000006
[  519.483071][ T8320] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  519.491038][ T8320] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  519.499037][ T8320]  </TASK>
[  519.502275][ T8320] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  519.573483][ T8320] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  519.582756][ T8320] CPU: 0 PID: 8320 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  519.593198][ T8320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  519.603240][ T8320] Call Trace:
[  519.606510][ T8320]  <TASK>
[  519.609441][ T8320]  dump_stack_lvl+0x125/0x1b0
[  519.614124][ T8320]  sysfs_warn_dup+0x7f/0xa0
[  519.618618][ T8320]  sysfs_create_dir_ns+0x249/0x2b0
[  519.623726][ T8320]  ? sysfs_create_mount_point+0xb0/0xb0
[  519.629261][ T8320]  ? spin_bug+0x1d0/0x1d0
[  519.633584][ T8320]  ? net_namespace+0x12/0x40
[  519.638172][ T8320]  ? device_namespace+0x8d/0xc0
[  519.643023][ T8320]  kobject_add_internal+0x2c8/0x970
[  519.648222][ T8320]  kobject_add+0x16f/0x240
[  519.652636][ T8320]  ? kset_create_and_add+0x190/0x190
[  519.657918][ T8320]  ? do_raw_spin_unlock+0x173/0x230
[  519.663108][ T8320]  ? kobject_put+0xbe/0x440
[  519.667606][ T8320]  ? device_add+0xc35/0x1aa0
[  519.672216][ T8320]  device_add+0x289/0x1aa0
[  519.676628][ T8320]  ? device_initialize+0x510/0x510
[  519.681734][ T8320]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  519.688581][ T8320]  ? __init_waitqueue_head+0xca/0x150
[  519.693955][ T8320]  netdev_register_kobject+0x183/0x3f0
[  519.699417][ T8320]  register_netdevice+0xbe6/0x14b0
[  519.704537][ T8320]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  519.710428][ T8320]  ? validate_linkmsg+0x6fc/0x9c0
[  519.715450][ T8320]  br_dev_newlink+0x27/0x110
[  519.720038][ T8320]  ? br_changelink+0x1760/0x1760
[  519.724967][ T8320]  __rtnl_newlink+0x1173/0x1930
[  519.729822][ T8320]  ? rtnl_link_unregister+0x260/0x260
[  519.735207][ T8320]  rtnl_newlink+0x67/0xa0
[  519.739539][ T8320]  ? __rtnl_newlink+0x1930/0x1930
[  519.744561][ T8320]  rtnetlink_rcv_msg+0x3c7/0xe00
[  519.749500][ T8320]  ? rtnl_fill_vf+0x4a0/0x4a0
[  519.754177][ T8320]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  519.760158][ T8320]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  519.766142][ T8320]  netlink_rcv_skb+0x16b/0x440
[  519.770915][ T8320]  ? rtnl_fill_vf+0x4a0/0x4a0
[  519.775589][ T8320]  ? netlink_ack+0x1380/0x1380
[  519.780348][ T8320]  ? lock_sync+0x190/0x190
[  519.784772][ T8320]  ? netlink_deliver_tap+0x1a0/0xd00
[  519.790055][ T8320]  ? _copy_from_iter+0x2c1/0x10f0
[  519.795107][ T8320]  netlink_unicast+0x53b/0x810
[  519.799873][ T8320]  ? netlink_attachskb+0x880/0x880
[  519.805003][ T8320]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  519.810894][ T8320]  ? __phys_addr_symbol+0x30/0x70
[  519.815914][ T8320]  ? __check_object_size+0x323/0x730
[  519.821194][ T8320]  netlink_sendmsg+0x93c/0xe40
[  519.825958][ T8320]  ? netlink_unicast+0x810/0x810
[  519.830900][ T8320]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  519.836182][ T8320]  ? netlink_unicast+0x810/0x810
[  519.841119][ T8320]  __sock_sendmsg+0xd5/0x180
[  519.845704][ T8320]  ____sys_sendmsg+0x6ac/0x940
[  519.850460][ T8320]  ? copy_msghdr_from_user+0x10b/0x160
[  519.855921][ T8320]  ? kernel_sendmsg+0x50/0x50
[  519.860600][ T8320]  ___sys_sendmsg+0x135/0x1d0
[  519.865281][ T8320]  ? do_recvmmsg+0x740/0x740
[  519.869866][ T8320]  ? find_held_lock+0x2d/0x110
[  519.874637][ T8320]  ? preempt_count_sub+0x160/0x160
[  519.879753][ T8320]  ? __fget_light+0x1fc/0x260
[  519.884425][ T8320]  __sys_sendmsg+0x117/0x1e0
[  519.889018][ T8320]  ? __sys_sendmsg_sock+0x30/0x30
[  519.894052][ T8320]  ? syscall_enter_from_user_mode+0x7f/0x120
[  519.900037][ T8320]  do_syscall_64+0x40/0x110
[  519.904539][ T8320]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  519.910433][ T8320] RIP: 0033:0x7ff3fd6020b9
[  519.914842][ T8320] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  519.934456][ T8320] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  519.942870][ T8320] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  519.950836][ T8320] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  519.958803][ T8320] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  519.966767][ T8320] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  519.974731][ T8320] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  519.982707][ T8320]  </TASK>
[  519.987294][ T8320] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  520.059902][ T8321] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  520.070233][ T8321] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  520.079412][ T8321] CPU: 1 PID: 8321 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  520.089921][ T8321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  520.099968][ T8321] Call Trace:
[  520.103247][ T8321]  <TASK>
[  520.106168][ T8321]  dump_stack_lvl+0x125/0x1b0
[  520.110841][ T8321]  sysfs_warn_dup+0x7f/0xa0
[  520.115337][ T8321]  sysfs_create_dir_ns+0x249/0x2b0
[  520.120446][ T8321]  ? sysfs_create_mount_point+0xb0/0xb0
[  520.126017][ T8321]  ? spin_bug+0x1d0/0x1d0
[  520.130390][ T8321]  ? net_namespace+0x12/0x40
[  520.134983][ T8321]  ? device_namespace+0x8d/0xc0
[  520.139835][ T8321]  kobject_add_internal+0x2c8/0x970
[  520.145035][ T8321]  kobject_add+0x16f/0x240
[  520.149472][ T8321]  ? kset_create_and_add+0x190/0x190
[  520.154749][ T8321]  ? do_raw_spin_unlock+0x173/0x230
[  520.159937][ T8321]  ? kobject_put+0xbe/0x440
[  520.164434][ T8321]  ? device_add+0xc35/0x1aa0
[  520.169019][ T8321]  device_add+0x289/0x1aa0
[  520.173428][ T8321]  ? device_initialize+0x510/0x510
[  520.178533][ T8321]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  520.185412][ T8321]  ? __init_waitqueue_head+0xca/0x150
[  520.190787][ T8321]  netdev_register_kobject+0x183/0x3f0
[  520.196254][ T8321]  register_netdevice+0xbe6/0x14b0
[  520.201365][ T8321]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  520.207256][ T8321]  ? validate_linkmsg+0x6fc/0x9c0
[  520.212294][ T8321]  br_dev_newlink+0x27/0x110
[  520.216896][ T8321]  ? br_changelink+0x1760/0x1760
[  520.221831][ T8321]  __rtnl_newlink+0x1173/0x1930
[  520.226683][ T8321]  ? rtnl_link_unregister+0x260/0x260
[  520.232064][ T8321]  rtnl_newlink+0x67/0xa0
[  520.236387][ T8321]  ? __rtnl_newlink+0x1930/0x1930
[  520.241403][ T8321]  rtnetlink_rcv_msg+0x3c7/0xe00
[  520.246334][ T8321]  ? rtnl_fill_vf+0x4a0/0x4a0
[  520.251026][ T8321]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  520.257035][ T8321]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  520.263055][ T8321]  netlink_rcv_skb+0x16b/0x440
[  520.267839][ T8321]  ? rtnl_fill_vf+0x4a0/0x4a0
[  520.272520][ T8321]  ? netlink_ack+0x1380/0x1380
[  520.277292][ T8321]  ? lock_sync+0x190/0x190
[  520.281745][ T8321]  ? netlink_deliver_tap+0x1a0/0xd00
[  520.287053][ T8321]  ? _copy_from_iter+0x2c1/0x10f0
[  520.292075][ T8321]  netlink_unicast+0x53b/0x810
[  520.296844][ T8321]  ? netlink_attachskb+0x880/0x880
[  520.301956][ T8321]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  520.307866][ T8321]  ? __phys_addr_symbol+0x30/0x70
[  520.312888][ T8321]  ? __check_object_size+0x323/0x730
[  520.318197][ T8321]  netlink_sendmsg+0x93c/0xe40
[  520.322970][ T8321]  ? netlink_unicast+0x810/0x810
[  520.327907][ T8321]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  520.333185][ T8321]  ? netlink_unicast+0x810/0x810
[  520.338116][ T8321]  __sock_sendmsg+0xd5/0x180
[  520.342704][ T8321]  ____sys_sendmsg+0x6ac/0x940
[  520.347461][ T8321]  ? copy_msghdr_from_user+0x10b/0x160
[  520.352931][ T8321]  ? kernel_sendmsg+0x50/0x50
[  520.357623][ T8321]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  520.363601][ T8321]  ___sys_sendmsg+0x135/0x1d0
[  520.368271][ T8321]  ? do_recvmmsg+0x740/0x740
[  520.372855][ T8321]  ? find_held_lock+0x2d/0x110
[  520.377627][ T8321]  ? preempt_count_sub+0x160/0x160
[  520.382740][ T8321]  ? __fget_light+0x1fc/0x260
[  520.387409][ T8321]  __sys_sendmsg+0x117/0x1e0
[  520.391993][ T8321]  ? __sys_sendmsg_sock+0x30/0x30
[  520.397009][ T8321]  ? xfd_validate_state+0x5d/0x180
[  520.402132][ T8321]  ? syscall_enter_from_user_mode+0x7f/0x120
[  520.408117][ T8321]  do_syscall_64+0x40/0x110
[  520.412618][ T8321]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  520.418527][ T8321] RIP: 0033:0x7ff3fd6020b9
[  520.422951][ T8321] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  520.442564][ T8321] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  520.450978][ T8321] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  520.458946][ T8321] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  520.466919][ T8321] RBP: 000000000007eb85 R08: 0000000000000000 R09: 0000000000000006
[  520.474918][ T8321] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  520.482888][ T8321] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  520.490869][ T8321]  </TASK>
[  520.495354][ T8321] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  520.563344][ T8321] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  520.572608][ T8321] CPU: 0 PID: 8321 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  520.583034][ T8321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  520.593074][ T8321] Call Trace:
[  520.596342][ T8321]  <TASK>
[  520.599259][ T8321]  dump_stack_lvl+0x125/0x1b0
[  520.603925][ T8321]  sysfs_warn_dup+0x7f/0xa0
[  520.608414][ T8321]  sysfs_create_dir_ns+0x249/0x2b0
[  520.613513][ T8321]  ? sysfs_create_mount_point+0xb0/0xb0
[  520.619043][ T8321]  ? spin_bug+0x1d0/0x1d0
[  520.623358][ T8321]  ? net_namespace+0x12/0x40
[  520.627933][ T8321]  ? device_namespace+0x8d/0xc0
[  520.632776][ T8321]  kobject_add_internal+0x2c8/0x970
[  520.637961][ T8321]  kobject_add+0x16f/0x240
[  520.642362][ T8321]  ? kset_create_and_add+0x190/0x190
[  520.647635][ T8321]  ? do_raw_spin_unlock+0x173/0x230
[  520.652818][ T8321]  ? kobject_put+0xbe/0x440
[  520.657304][ T8321]  ? device_add+0xc35/0x1aa0
[  520.661879][ T8321]  device_add+0x289/0x1aa0
[  520.666301][ T8321]  ? device_initialize+0x510/0x510
[  520.671392][ T8321]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  520.678226][ T8321]  ? __init_waitqueue_head+0xca/0x150
[  520.683610][ T8321]  netdev_register_kobject+0x183/0x3f0
[  520.689058][ T8321]  register_netdevice+0xbe6/0x14b0
[  520.694157][ T8321]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  520.700038][ T8321]  ? validate_linkmsg+0x6fc/0x9c0
[  520.705050][ T8321]  br_dev_newlink+0x27/0x110
[  520.709642][ T8321]  ? br_changelink+0x1760/0x1760
[  520.714565][ T8321]  __rtnl_newlink+0x1173/0x1930
[  520.719409][ T8321]  ? rtnl_link_unregister+0x260/0x260
[  520.724811][ T8321]  rtnl_newlink+0x67/0xa0
[  520.729127][ T8321]  ? __rtnl_newlink+0x1930/0x1930
[  520.734135][ T8321]  rtnetlink_rcv_msg+0x3c7/0xe00
[  520.739056][ T8321]  ? rtnl_fill_vf+0x4a0/0x4a0
[  520.743720][ T8321]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  520.749705][ T8321]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  520.755677][ T8321]  netlink_rcv_skb+0x16b/0x440
[  520.760448][ T8321]  ? rtnl_fill_vf+0x4a0/0x4a0
[  520.765113][ T8321]  ? netlink_ack+0x1380/0x1380
[  520.769965][ T8321]  ? lock_sync+0x190/0x190
[  520.774402][ T8321]  ? netlink_deliver_tap+0x1a0/0xd00
[  520.779681][ T8321]  ? _copy_from_iter+0x2c1/0x10f0
[  520.784699][ T8321]  netlink_unicast+0x53b/0x810
[  520.789458][ T8321]  ? netlink_attachskb+0x880/0x880
[  520.794574][ T8321]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  520.800492][ T8321]  ? __phys_addr_symbol+0x30/0x70
[  520.805516][ T8321]  ? __check_object_size+0x323/0x730
[  520.810790][ T8321]  netlink_sendmsg+0x93c/0xe40
[  520.815543][ T8321]  ? netlink_unicast+0x810/0x810
[  520.820464][ T8321]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  520.825738][ T8321]  ? netlink_unicast+0x810/0x810
[  520.830671][ T8321]  __sock_sendmsg+0xd5/0x180
[  520.835248][ T8321]  ____sys_sendmsg+0x6ac/0x940
[  520.839998][ T8321]  ? copy_msghdr_from_user+0x10b/0x160
[  520.845444][ T8321]  ? kernel_sendmsg+0x50/0x50
[  520.850113][ T8321]  ___sys_sendmsg+0x135/0x1d0
[  520.854777][ T8321]  ? do_recvmmsg+0x740/0x740
[  520.859348][ T8321]  ? find_held_lock+0x2d/0x110
[  520.864101][ T8321]  ? preempt_count_sub+0x160/0x160
[  520.869200][ T8321]  ? __fget_light+0x1fc/0x260
[  520.873859][ T8321]  __sys_sendmsg+0x117/0x1e0
[  520.878433][ T8321]  ? __sys_sendmsg_sock+0x30/0x30
[  520.883449][ T8321]  ? syscall_enter_from_user_mode+0x7f/0x120
[  520.889422][ T8321]  do_syscall_64+0x40/0x110
[  520.893908][ T8321]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  520.899785][ T8321] RIP: 0033:0x7ff3fd6020b9
[  520.904182][ T8321] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  520.923790][ T8321] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  520.932181][ T8321] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  520.940146][ T8321] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  520.948097][ T8321] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  520.956047][ T8321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  520.963996][ T8321] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  520.971959][ T8321]  </TASK>
[  520.979606][ T8321] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.038446][ T8322] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  521.048563][ T8322] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  521.057712][ T8322] CPU: 0 PID: 8322 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  521.068128][ T8322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  521.078171][ T8322] Call Trace:
[  521.081439][ T8322]  <TASK>
[  521.084358][ T8322]  dump_stack_lvl+0x125/0x1b0
[  521.089038][ T8322]  sysfs_warn_dup+0x7f/0xa0
[  521.093561][ T8322]  sysfs_create_dir_ns+0x249/0x2b0
[  521.098666][ T8322]  ? sysfs_create_mount_point+0xb0/0xb0
[  521.104201][ T8322]  ? spin_bug+0x1d0/0x1d0
[  521.108518][ T8322]  ? net_namespace+0x12/0x40
[  521.113099][ T8322]  ? device_namespace+0x8d/0xc0
[  521.117948][ T8322]  kobject_add_internal+0x2c8/0x970
[  521.123142][ T8322]  kobject_add+0x16f/0x240
[  521.127583][ T8322]  ? kset_create_and_add+0x190/0x190
[  521.132858][ T8322]  ? do_raw_spin_unlock+0x173/0x230
[  521.138044][ T8322]  ? kobject_put+0xbe/0x440
[  521.142537][ T8322]  ? device_add+0xc35/0x1aa0
[  521.147118][ T8322]  device_add+0x289/0x1aa0
[  521.151546][ T8322]  ? device_initialize+0x510/0x510
[  521.156650][ T8322]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  521.163519][ T8322]  ? __init_waitqueue_head+0xca/0x150
[  521.168885][ T8322]  netdev_register_kobject+0x183/0x3f0
[  521.174339][ T8322]  register_netdevice+0xbe6/0x14b0
[  521.179459][ T8322]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  521.185366][ T8322]  ? validate_linkmsg+0x6fc/0x9c0
[  521.190407][ T8322]  br_dev_newlink+0x27/0x110
[  521.195008][ T8322]  ? br_changelink+0x1760/0x1760
[  521.199944][ T8322]  __rtnl_newlink+0x1173/0x1930
[  521.204795][ T8322]  ? rtnl_link_unregister+0x260/0x260
[  521.210171][ T8322]  rtnl_newlink+0x67/0xa0
[  521.214490][ T8322]  ? __rtnl_newlink+0x1930/0x1930
[  521.219505][ T8322]  rtnetlink_rcv_msg+0x3c7/0xe00
[  521.224435][ T8322]  ? rtnl_fill_vf+0x4a0/0x4a0
[  521.229108][ T8322]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  521.235081][ T8322]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  521.241079][ T8322]  netlink_rcv_skb+0x16b/0x440
[  521.245836][ T8322]  ? rtnl_fill_vf+0x4a0/0x4a0
[  521.250513][ T8322]  ? netlink_ack+0x1380/0x1380
[  521.255299][ T8322]  ? lock_sync+0x190/0x190
[  521.259712][ T8322]  ? netlink_deliver_tap+0x1a0/0xd00
[  521.265006][ T8322]  ? _copy_from_iter+0x2c1/0x10f0
[  521.270027][ T8322]  netlink_unicast+0x53b/0x810
[  521.274788][ T8322]  ? netlink_attachskb+0x880/0x880
[  521.279894][ T8322]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  521.285782][ T8322]  ? __phys_addr_symbol+0x30/0x70
[  521.290810][ T8322]  ? __check_object_size+0x323/0x730
[  521.296092][ T8322]  netlink_sendmsg+0x93c/0xe40
[  521.300856][ T8322]  ? netlink_unicast+0x810/0x810
[  521.305796][ T8322]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  521.311080][ T8322]  ? netlink_unicast+0x810/0x810
[  521.316036][ T8322]  __sock_sendmsg+0xd5/0x180
[  521.320616][ T8322]  ____sys_sendmsg+0x6ac/0x940
[  521.325391][ T8322]  ? copy_msghdr_from_user+0x10b/0x160
[  521.330842][ T8322]  ? kernel_sendmsg+0x50/0x50
[  521.335510][ T8322]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  521.341484][ T8322]  ___sys_sendmsg+0x135/0x1d0
[  521.346154][ T8322]  ? do_recvmmsg+0x740/0x740
[  521.350782][ T8322]  ? find_held_lock+0x2d/0x110
[  521.355543][ T8322]  ? preempt_count_sub+0x160/0x160
[  521.360660][ T8322]  ? __fget_light+0x1fc/0x260
[  521.365347][ T8322]  __sys_sendmsg+0x117/0x1e0
[  521.369928][ T8322]  ? __sys_sendmsg_sock+0x30/0x30
[  521.374939][ T8322]  ? xfd_validate_state+0x5d/0x180
[  521.380064][ T8322]  ? syscall_enter_from_user_mode+0x7f/0x120
[  521.386036][ T8322]  do_syscall_64+0x40/0x110
[  521.390527][ T8322]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  521.396411][ T8322] RIP: 0033:0x7ff3fd6020b9
[  521.400811][ T8322] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  521.420414][ T8322] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  521.428825][ T8322] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  521.436795][ T8322] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  521.444759][ T8322] RBP: 000000000007ef63 R08: 0000000000000000 R09: 0000000000000006
[  521.452720][ T8322] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  521.460690][ T8322] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  521.468699][ T8322]  </TASK>
[  521.472271][ T8322] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  521.544873][ T8322] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  521.554082][ T8322] CPU: 0 PID: 8322 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  521.564487][ T8322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  521.574531][ T8322] Call Trace:
[  521.577799][ T8322]  <TASK>
[  521.580724][ T8322]  dump_stack_lvl+0x125/0x1b0
[  521.585395][ T8322]  sysfs_warn_dup+0x7f/0xa0
[  521.589889][ T8322]  sysfs_create_dir_ns+0x249/0x2b0
[  521.594997][ T8322]  ? sysfs_create_mount_point+0xb0/0xb0
[  521.600532][ T8322]  ? spin_bug+0x1d0/0x1d0
[  521.604851][ T8322]  ? net_namespace+0x12/0x40
[  521.609429][ T8322]  ? device_namespace+0x8d/0xc0
[  521.614276][ T8322]  kobject_add_internal+0x2c8/0x970
[  521.619469][ T8322]  kobject_add+0x16f/0x240
[  521.623876][ T8322]  ? kset_create_and_add+0x190/0x190
[  521.629153][ T8322]  ? do_raw_spin_unlock+0x173/0x230
[  521.634341][ T8322]  ? kobject_put+0xbe/0x440
[  521.638835][ T8322]  ? device_add+0xc35/0x1aa0
[  521.643417][ T8322]  device_add+0x289/0x1aa0
[  521.647829][ T8322]  ? device_initialize+0x510/0x510
[  521.652949][ T8322]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  521.659789][ T8322]  ? __init_waitqueue_head+0xca/0x150
[  521.665156][ T8322]  netdev_register_kobject+0x183/0x3f0
[  521.670617][ T8322]  register_netdevice+0xbe6/0x14b0
[  521.675744][ T8322]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  521.681631][ T8322]  ? validate_linkmsg+0x6fc/0x9c0
[  521.686667][ T8322]  br_dev_newlink+0x27/0x110
[  521.691247][ T8322]  ? br_changelink+0x1760/0x1760
[  521.696171][ T8322]  __rtnl_newlink+0x1173/0x1930
[  521.701017][ T8322]  ? rtnl_link_unregister+0x260/0x260
[  521.706419][ T8322]  rtnl_newlink+0x67/0xa0
[  521.710744][ T8322]  ? __rtnl_newlink+0x1930/0x1930
[  521.715771][ T8322]  rtnetlink_rcv_msg+0x3c7/0xe00
[  521.720727][ T8322]  ? rtnl_fill_vf+0x4a0/0x4a0
[  521.725394][ T8322]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  521.731365][ T8322]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  521.737341][ T8322]  netlink_rcv_skb+0x16b/0x440
[  521.742097][ T8322]  ? rtnl_fill_vf+0x4a0/0x4a0
[  521.746764][ T8322]  ? netlink_ack+0x1380/0x1380
[  521.751557][ T8322]  ? lock_sync+0x190/0x190
[  521.755984][ T8322]  ? netlink_deliver_tap+0x1a0/0xd00
[  521.761277][ T8322]  ? _copy_from_iter+0x2c1/0x10f0
[  521.766319][ T8322]  netlink_unicast+0x53b/0x810
[  521.771079][ T8322]  ? netlink_attachskb+0x880/0x880
[  521.776183][ T8322]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  521.782066][ T8322]  ? __phys_addr_symbol+0x30/0x70
[  521.787083][ T8322]  ? __check_object_size+0x323/0x730
[  521.792360][ T8322]  netlink_sendmsg+0x93c/0xe40
[  521.797121][ T8322]  ? netlink_unicast+0x810/0x810
[  521.802082][ T8322]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  521.807355][ T8322]  ? netlink_unicast+0x810/0x810
[  521.812292][ T8322]  __sock_sendmsg+0xd5/0x180
[  521.816873][ T8322]  ____sys_sendmsg+0x6ac/0x940
[  521.821628][ T8322]  ? copy_msghdr_from_user+0x10b/0x160
[  521.827084][ T8322]  ? kernel_sendmsg+0x50/0x50
[  521.831782][ T8322]  ? hlock_class+0x4e/0x130
[  521.836276][ T8322]  ? __lock_acquire+0x14e0/0x3b10
[  521.841294][ T8322]  ___sys_sendmsg+0x135/0x1d0
[  521.845974][ T8322]  ? do_recvmmsg+0x740/0x740
[  521.850553][ T8322]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  521.856546][ T8322]  ? find_held_lock+0x2d/0x110
[  521.861314][ T8322]  ? __fget_light+0x1fc/0x260
[  521.865978][ T8322]  __sys_sendmsg+0x117/0x1e0
[  521.870562][ T8322]  ? __sys_sendmsg_sock+0x30/0x30
[  521.875601][ T8322]  ? __do_sys_rseq+0x750/0x750
[  521.880379][ T8322]  ? syscall_enter_from_user_mode+0x7f/0x120
[  521.886356][ T8322]  do_syscall_64+0x40/0x110
[  521.890854][ T8322]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  521.896738][ T8322] RIP: 0033:0x7ff3fd6020b9
[  521.901140][ T8322] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  521.920738][ T8322] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  521.929135][ T8322] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  521.937089][ T8322] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  521.945066][ T8322] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  521.953025][ T8322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  521.961001][ T8322] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  521.968966][ T8322]  </TASK>
[  521.972495][ T8322] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  522.037886][ T8323] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  522.047998][ T8323] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  522.057170][ T8323] CPU: 1 PID: 8323 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  522.067588][ T8323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  522.077631][ T8323] Call Trace:
[  522.080905][ T8323]  <TASK>
[  522.083833][ T8323]  dump_stack_lvl+0x125/0x1b0
[  522.088514][ T8323]  sysfs_warn_dup+0x7f/0xa0
[  522.093017][ T8323]  sysfs_create_dir_ns+0x249/0x2b0
[  522.098131][ T8323]  ? sysfs_create_mount_point+0xb0/0xb0
[  522.103675][ T8323]  ? spin_bug+0x1d0/0x1d0
[  522.108001][ T8323]  ? net_namespace+0x12/0x40
[  522.112588][ T8323]  ? device_namespace+0x8d/0xc0
[  522.117439][ T8323]  kobject_add_internal+0x2c8/0x970
[  522.122649][ T8323]  kobject_add+0x16f/0x240
[  522.127069][ T8323]  ? kset_create_and_add+0x190/0x190
[  522.132362][ T8323]  ? do_raw_spin_unlock+0x173/0x230
[  522.137555][ T8323]  ? kobject_put+0xbe/0x440
[  522.142058][ T8323]  ? device_add+0xc35/0x1aa0
[  522.146651][ T8323]  device_add+0x289/0x1aa0
[  522.151065][ T8323]  ? device_initialize+0x510/0x510
[  522.156175][ T8323]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  522.163025][ T8323]  ? __init_waitqueue_head+0xca/0x150
[  522.168397][ T8323]  netdev_register_kobject+0x183/0x3f0
[  522.173861][ T8323]  register_netdevice+0xbe6/0x14b0
[  522.178978][ T8323]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  522.184873][ T8323]  ? validate_linkmsg+0x6fc/0x9c0
[  522.189894][ T8323]  br_dev_newlink+0x27/0x110
[  522.194483][ T8323]  ? br_changelink+0x1760/0x1760
[  522.199412][ T8323]  __rtnl_newlink+0x1173/0x1930
[  522.204271][ T8323]  ? rtnl_link_unregister+0x260/0x260
[  522.209656][ T8323]  rtnl_newlink+0x67/0xa0
[  522.213981][ T8323]  ? __rtnl_newlink+0x1930/0x1930
[  522.219003][ T8323]  rtnetlink_rcv_msg+0x3c7/0xe00
[  522.223939][ T8323]  ? rtnl_fill_vf+0x4a0/0x4a0
[  522.228617][ T8323]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  522.234598][ T8323]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  522.240585][ T8323]  netlink_rcv_skb+0x16b/0x440
[  522.245375][ T8323]  ? rtnl_fill_vf+0x4a0/0x4a0
[  522.250075][ T8323]  ? netlink_ack+0x1380/0x1380
[  522.254862][ T8323]  ? lock_sync+0x190/0x190
[  522.259295][ T8323]  ? netlink_deliver_tap+0x1a0/0xd00
[  522.264584][ T8323]  ? _copy_from_iter+0x2c1/0x10f0
[  522.269615][ T8323]  netlink_unicast+0x53b/0x810
[  522.274389][ T8323]  ? netlink_attachskb+0x880/0x880
[  522.279502][ T8323]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  522.285409][ T8323]  ? __phys_addr_symbol+0x30/0x70
[  522.290432][ T8323]  ? __check_object_size+0x323/0x730
[  522.295723][ T8323]  netlink_sendmsg+0x93c/0xe40
[  522.300496][ T8323]  ? netlink_unicast+0x810/0x810
[  522.305451][ T8323]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  522.310734][ T8323]  ? netlink_unicast+0x810/0x810
[  522.315670][ T8323]  __sock_sendmsg+0xd5/0x180
[  522.320261][ T8323]  ____sys_sendmsg+0x6ac/0x940
[  522.325024][ T8323]  ? copy_msghdr_from_user+0x10b/0x160
[  522.330484][ T8323]  ? kernel_sendmsg+0x50/0x50
[  522.335166][ T8323]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  522.341152][ T8323]  ___sys_sendmsg+0x135/0x1d0
[  522.345829][ T8323]  ? do_recvmmsg+0x740/0x740
[  522.350412][ T8323]  ? find_held_lock+0x2d/0x110
[  522.355184][ T8323]  ? preempt_count_sub+0x160/0x160
[  522.360298][ T8323]  ? __fget_light+0x1fc/0x260
[  522.364969][ T8323]  __sys_sendmsg+0x117/0x1e0
[  522.369559][ T8323]  ? __sys_sendmsg_sock+0x30/0x30
[  522.374614][ T8323]  ? xfd_validate_state+0x5d/0x180
[  522.379735][ T8323]  ? syscall_enter_from_user_mode+0x7f/0x120
[  522.385724][ T8323]  do_syscall_64+0x40/0x110
[  522.390227][ T8323]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  522.396122][ T8323] RIP: 0033:0x7ff3fd6020b9
[  522.400551][ T8323] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  522.420153][ T8323] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  522.428562][ T8323] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  522.436527][ T8323] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  522.444507][ T8323] RBP: 000000000007f338 R08: 0000000000000000 R09: 0000000000000006
[  522.452478][ T8323] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  522.460447][ T8323] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  522.468423][ T8323]  </TASK>
[  522.472049][ T8323] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  522.523424][ T8323] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  522.532650][ T8323] CPU: 1 PID: 8323 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  522.543070][ T8323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  522.553114][ T8323] Call Trace:
[  522.556387][ T8323]  <TASK>
[  522.559307][ T8323]  dump_stack_lvl+0x125/0x1b0
[  522.563983][ T8323]  sysfs_warn_dup+0x7f/0xa0
[  522.568523][ T8323]  sysfs_create_dir_ns+0x249/0x2b0
[  522.573628][ T8323]  ? sysfs_create_mount_point+0xb0/0xb0
[  522.579197][ T8323]  ? spin_bug+0x1d0/0x1d0
[  522.583519][ T8323]  ? net_namespace+0x12/0x40
[  522.588102][ T8323]  ? device_namespace+0x8d/0xc0
[  522.592955][ T8323]  kobject_add_internal+0x2c8/0x970
[  522.598159][ T8323]  kobject_add+0x16f/0x240
[  522.602574][ T8323]  ? kset_create_and_add+0x190/0x190
[  522.607860][ T8323]  ? do_raw_spin_unlock+0x173/0x230
[  522.613057][ T8323]  ? kobject_put+0xbe/0x440
[  522.617562][ T8323]  ? device_add+0xc35/0x1aa0
[  522.622151][ T8323]  device_add+0x289/0x1aa0
[  522.626565][ T8323]  ? device_initialize+0x510/0x510
[  522.631671][ T8323]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  522.638519][ T8323]  ? __init_waitqueue_head+0xca/0x150
[  522.643920][ T8323]  netdev_register_kobject+0x183/0x3f0
[  522.649383][ T8323]  register_netdevice+0xbe6/0x14b0
[  522.654498][ T8323]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  522.660391][ T8323]  ? validate_linkmsg+0x6fc/0x9c0
[  522.665415][ T8323]  br_dev_newlink+0x27/0x110
[  522.670001][ T8323]  ? br_changelink+0x1760/0x1760
[  522.674933][ T8323]  __rtnl_newlink+0x1173/0x1930
[  522.679789][ T8323]  ? rtnl_link_unregister+0x260/0x260
[  522.685176][ T8323]  rtnl_newlink+0x67/0xa0
[  522.689502][ T8323]  ? __rtnl_newlink+0x1930/0x1930
[  522.694526][ T8323]  rtnetlink_rcv_msg+0x3c7/0xe00
[  522.699465][ T8323]  ? rtnl_fill_vf+0x4a0/0x4a0
[  522.704140][ T8323]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  522.710121][ T8323]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  522.716109][ T8323]  netlink_rcv_skb+0x16b/0x440
[  522.720877][ T8323]  ? rtnl_fill_vf+0x4a0/0x4a0
[  522.725583][ T8323]  ? netlink_ack+0x1380/0x1380
[  522.730367][ T8323]  ? lock_sync+0x190/0x190
[  522.734807][ T8323]  ? netlink_deliver_tap+0x1a0/0xd00
[  522.740097][ T8323]  ? _copy_from_iter+0x2c1/0x10f0
[  522.745135][ T8323]  netlink_unicast+0x53b/0x810
[  522.749915][ T8323]  ? netlink_attachskb+0x880/0x880
[  522.755035][ T8323]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  522.760960][ T8323]  ? __phys_addr_symbol+0x30/0x70
[  522.765988][ T8323]  ? __check_object_size+0x323/0x730
[  522.771282][ T8323]  netlink_sendmsg+0x93c/0xe40
[  522.776053][ T8323]  ? netlink_unicast+0x810/0x810
[  522.780994][ T8323]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  522.786284][ T8323]  ? netlink_unicast+0x810/0x810
[  522.791222][ T8323]  __sock_sendmsg+0xd5/0x180
[  522.795811][ T8323]  ____sys_sendmsg+0x6ac/0x940
[  522.800569][ T8323]  ? copy_msghdr_from_user+0x10b/0x160
[  522.806026][ T8323]  ? kernel_sendmsg+0x50/0x50
[  522.810705][ T8323]  ? hlock_class+0x4e/0x130
[  522.815206][ T8323]  ? __lock_acquire+0x14e0/0x3b10
[  522.820237][ T8323]  ___sys_sendmsg+0x135/0x1d0
[  522.824915][ T8323]  ? do_recvmmsg+0x740/0x740
[  522.829500][ T8323]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  522.835480][ T8323]  ? find_held_lock+0x2d/0x110
[  522.840347][ T8323]  ? __fget_light+0x1fc/0x260
[  522.845024][ T8323]  __sys_sendmsg+0x117/0x1e0
[  522.849642][ T8323]  ? __sys_sendmsg_sock+0x30/0x30
[  522.854699][ T8323]  ? __do_sys_rseq+0x750/0x750
[  522.859471][ T8323]  ? syscall_enter_from_user_mode+0x7f/0x120
[  522.865458][ T8323]  do_syscall_64+0x40/0x110
[  522.869961][ T8323]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  522.875855][ T8323] RIP: 0033:0x7ff3fd6020b9
[  522.880260][ T8323] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  522.899863][ T8323] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  522.908270][ T8323] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  522.916235][ T8323] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  522.924197][ T8323] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  522.932160][ T8323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  522.940123][ T8323] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  522.948094][ T8323]  </TASK>
[  522.952576][ T8323] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.008157][ T8324] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  523.018329][ T8324] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  523.027508][ T8324] CPU: 0 PID: 8324 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  523.037945][ T8324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  523.048005][ T8324] Call Trace:
[  523.051279][ T8324]  <TASK>
[  523.054202][ T8324]  dump_stack_lvl+0x125/0x1b0
[  523.058880][ T8324]  sysfs_warn_dup+0x7f/0xa0
[  523.063386][ T8324]  sysfs_create_dir_ns+0x249/0x2b0
[  523.068512][ T8324]  ? sysfs_create_mount_point+0xb0/0xb0
[  523.074059][ T8324]  ? spin_bug+0x1d0/0x1d0
[  523.078388][ T8324]  ? net_namespace+0x12/0x40
[  523.082972][ T8324]  ? device_namespace+0x8d/0xc0
[  523.087829][ T8324]  kobject_add_internal+0x2c8/0x970
[  523.093031][ T8324]  kobject_add+0x16f/0x240
[  523.097448][ T8324]  ? kset_create_and_add+0x190/0x190
[  523.102734][ T8324]  ? do_raw_spin_unlock+0x173/0x230
[  523.107925][ T8324]  ? kobject_put+0xbe/0x440
[  523.112428][ T8324]  ? device_add+0xc35/0x1aa0
[  523.117021][ T8324]  device_add+0x289/0x1aa0
[  523.121437][ T8324]  ? device_initialize+0x510/0x510
[  523.126546][ T8324]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  523.133402][ T8324]  ? __init_waitqueue_head+0xca/0x150
[  523.138778][ T8324]  netdev_register_kobject+0x183/0x3f0
[  523.144244][ T8324]  register_netdevice+0xbe6/0x14b0
[  523.149358][ T8324]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  523.155251][ T8324]  ? validate_linkmsg+0x6fc/0x9c0
[  523.160275][ T8324]  br_dev_newlink+0x27/0x110
[  523.164865][ T8324]  ? br_changelink+0x1760/0x1760
[  523.169800][ T8324]  __rtnl_newlink+0x1173/0x1930
[  523.174662][ T8324]  ? rtnl_link_unregister+0x260/0x260
[  523.180053][ T8324]  rtnl_newlink+0x67/0xa0
[  523.184386][ T8324]  ? __rtnl_newlink+0x1930/0x1930
[  523.189407][ T8324]  rtnetlink_rcv_msg+0x3c7/0xe00
[  523.194348][ T8324]  ? rtnl_fill_vf+0x4a0/0x4a0
[  523.199026][ T8324]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  523.205010][ T8324]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  523.211001][ T8324]  netlink_rcv_skb+0x16b/0x440
[  523.215774][ T8324]  ? rtnl_fill_vf+0x4a0/0x4a0
[  523.220458][ T8324]  ? netlink_ack+0x1380/0x1380
[  523.225240][ T8324]  ? lock_sync+0x190/0x190
[  523.229683][ T8324]  ? netlink_deliver_tap+0x1a0/0xd00
[  523.234974][ T8324]  ? _copy_from_iter+0x2c1/0x10f0
[  523.240005][ T8324]  netlink_unicast+0x53b/0x810
[  523.244775][ T8324]  ? netlink_attachskb+0x880/0x880
[  523.249895][ T8324]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  523.255791][ T8324]  ? __phys_addr_symbol+0x30/0x70
[  523.260818][ T8324]  ? __check_object_size+0x323/0x730
[  523.266104][ T8324]  netlink_sendmsg+0x93c/0xe40
[  523.270875][ T8324]  ? netlink_unicast+0x810/0x810
[  523.275822][ T8324]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  523.281149][ T8324]  ? netlink_unicast+0x810/0x810
[  523.286089][ T8324]  __sock_sendmsg+0xd5/0x180
[  523.290685][ T8324]  ____sys_sendmsg+0x6ac/0x940
[  523.295463][ T8324]  ? copy_msghdr_from_user+0x10b/0x160
[  523.300919][ T8324]  ? kernel_sendmsg+0x50/0x50
[  523.305597][ T8324]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  523.311585][ T8324]  ___sys_sendmsg+0x135/0x1d0
[  523.316287][ T8324]  ? do_recvmmsg+0x740/0x740
[  523.320879][ T8324]  ? find_held_lock+0x2d/0x110
[  523.325647][ T8324]  ? preempt_count_sub+0x160/0x160
[  523.330786][ T8324]  ? __fget_light+0x1fc/0x260
[  523.335470][ T8324]  __sys_sendmsg+0x117/0x1e0
[  523.340065][ T8324]  ? __sys_sendmsg_sock+0x30/0x30
[  523.345087][ T8324]  ? xfd_validate_state+0x5d/0x180
[  523.350208][ T8324]  ? syscall_enter_from_user_mode+0x7f/0x120
[  523.356188][ T8324]  do_syscall_64+0x40/0x110
[  523.360691][ T8324]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  523.366596][ T8324] RIP: 0033:0x7ff3fd6020b9
[  523.371009][ T8324] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  523.390642][ T8324] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  523.399078][ T8324] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  523.407056][ T8324] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  523.415055][ T8324] RBP: 000000000007f71e R08: 0000000000000000 R09: 0000000000000006
[  523.423052][ T8324] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  523.431021][ T8324] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  523.439021][ T8324]  </TASK>
[  523.442938][ T8324] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.493676][ T8324] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  523.502990][ T8324] CPU: 1 PID: 8324 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  523.513428][ T8324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  523.523472][ T8324] Call Trace:
[  523.526742][ T8324]  <TASK>
[  523.529662][ T8324]  dump_stack_lvl+0x125/0x1b0
[  523.534334][ T8324]  sysfs_warn_dup+0x7f/0xa0
[  523.538826][ T8324]  sysfs_create_dir_ns+0x249/0x2b0
[  523.543927][ T8324]  ? sysfs_create_mount_point+0xb0/0xb0
[  523.549461][ T8324]  ? spin_bug+0x1d0/0x1d0
[  523.553779][ T8324]  ? net_namespace+0x12/0x40
[  523.558353][ T8324]  ? device_namespace+0x8d/0xc0
[  523.563196][ T8324]  kobject_add_internal+0x2c8/0x970
[  523.568383][ T8324]  kobject_add+0x16f/0x240
[  523.572789][ T8324]  ? kset_create_and_add+0x190/0x190
[  523.578065][ T8324]  ? do_raw_spin_unlock+0x173/0x230
[  523.583245][ T8324]  ? kobject_put+0xbe/0x440
[  523.587736][ T8324]  ? device_add+0xc35/0x1aa0
[  523.592314][ T8324]  device_add+0x289/0x1aa0
[  523.596742][ T8324]  ? device_initialize+0x510/0x510
[  523.601836][ T8324]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  523.608674][ T8324]  ? __init_waitqueue_head+0xca/0x150
[  523.614038][ T8324]  netdev_register_kobject+0x183/0x3f0
[  523.619487][ T8324]  register_netdevice+0xbe6/0x14b0
[  523.624587][ T8324]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  523.630467][ T8324]  ? validate_linkmsg+0x6fc/0x9c0
[  523.635480][ T8324]  br_dev_newlink+0x27/0x110
[  523.640054][ T8324]  ? br_changelink+0x1760/0x1760
[  523.644975][ T8324]  __rtnl_newlink+0x1173/0x1930
[  523.649818][ T8324]  ? rtnl_link_unregister+0x260/0x260
[  523.655211][ T8324]  rtnl_newlink+0x67/0xa0
[  523.659526][ T8324]  ? __rtnl_newlink+0x1930/0x1930
[  523.664535][ T8324]  rtnetlink_rcv_msg+0x3c7/0xe00
[  523.669461][ T8324]  ? rtnl_fill_vf+0x4a0/0x4a0
[  523.674125][ T8324]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  523.680117][ T8324]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  523.686091][ T8324]  netlink_rcv_skb+0x16b/0x440
[  523.690851][ T8324]  ? rtnl_fill_vf+0x4a0/0x4a0
[  523.695518][ T8324]  ? netlink_ack+0x1380/0x1380
[  523.700265][ T8324]  ? lock_sync+0x190/0x190
[  523.704677][ T8324]  ? netlink_deliver_tap+0x1a0/0xd00
[  523.709950][ T8324]  ? _copy_from_iter+0x2c1/0x10f0
[  523.714968][ T8324]  netlink_unicast+0x53b/0x810
[  523.719721][ T8324]  ? netlink_attachskb+0x880/0x880
[  523.724818][ T8324]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  523.730707][ T8324]  ? __phys_addr_symbol+0x30/0x70
[  523.735721][ T8324]  ? __check_object_size+0x323/0x730
[  523.740995][ T8324]  netlink_sendmsg+0x93c/0xe40
[  523.745750][ T8324]  ? netlink_unicast+0x810/0x810
[  523.750689][ T8324]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  523.755990][ T8324]  ? netlink_unicast+0x810/0x810
[  523.760918][ T8324]  __sock_sendmsg+0xd5/0x180
[  523.765496][ T8324]  ____sys_sendmsg+0x6ac/0x940
[  523.770251][ T8324]  ? copy_msghdr_from_user+0x10b/0x160
[  523.775697][ T8324]  ? kernel_sendmsg+0x50/0x50
[  523.780364][ T8324]  ___sys_sendmsg+0x135/0x1d0
[  523.785032][ T8324]  ? do_recvmmsg+0x740/0x740
[  523.789611][ T8324]  ? find_held_lock+0x2d/0x110
[  523.794369][ T8324]  ? preempt_count_sub+0x160/0x160
[  523.799471][ T8324]  ? __fget_light+0x1fc/0x260
[  523.804135][ T8324]  __sys_sendmsg+0x117/0x1e0
[  523.808717][ T8324]  ? __sys_sendmsg_sock+0x30/0x30
[  523.813742][ T8324]  ? syscall_enter_from_user_mode+0x7f/0x120
[  523.819716][ T8324]  do_syscall_64+0x40/0x110
[  523.824211][ T8324]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  523.830093][ T8324] RIP: 0033:0x7ff3fd6020b9
[  523.834521][ T8324] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  523.854120][ T8324] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  523.862523][ T8324] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  523.870486][ T8324] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  523.878464][ T8324] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  523.886448][ T8324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  523.894428][ T8324] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  523.902393][ T8324]  </TASK>
[  523.906248][ T8324] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  523.977695][ T8325] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  523.992015][ T8325] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  524.001205][ T8325] CPU: 0 PID: 8325 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  524.011628][ T8325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  524.021670][ T8325] Call Trace:
[  524.024936][ T8325]  <TASK>
[  524.027857][ T8325]  dump_stack_lvl+0x125/0x1b0
[  524.032531][ T8325]  sysfs_warn_dup+0x7f/0xa0
[  524.037027][ T8325]  sysfs_create_dir_ns+0x249/0x2b0
[  524.042134][ T8325]  ? sysfs_create_mount_point+0xb0/0xb0
[  524.047669][ T8325]  ? spin_bug+0x1d0/0x1d0
[  524.051987][ T8325]  ? net_namespace+0x12/0x40
[  524.056567][ T8325]  ? device_namespace+0x8d/0xc0
[  524.061421][ T8325]  kobject_add_internal+0x2c8/0x970
[  524.066643][ T8325]  kobject_add+0x16f/0x240
[  524.071075][ T8325]  ? kset_create_and_add+0x190/0x190
[  524.076366][ T8325]  ? do_raw_spin_unlock+0x173/0x230
[  524.081553][ T8325]  ? kobject_put+0xbe/0x440
[  524.086047][ T8325]  ? device_add+0xc35/0x1aa0
[  524.090659][ T8325]  device_add+0x289/0x1aa0
[  524.095105][ T8325]  ? device_initialize+0x510/0x510
[  524.100232][ T8325]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  524.107072][ T8325]  ? __init_waitqueue_head+0xca/0x150
[  524.112442][ T8325]  netdev_register_kobject+0x183/0x3f0
[  524.117900][ T8325]  register_netdevice+0xbe6/0x14b0
[  524.123015][ T8325]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  524.128904][ T8325]  ? validate_linkmsg+0x6fc/0x9c0
[  524.133919][ T8325]  br_dev_newlink+0x27/0x110
[  524.138522][ T8325]  ? br_changelink+0x1760/0x1760
[  524.143478][ T8325]  __rtnl_newlink+0x1173/0x1930
[  524.148335][ T8325]  ? rtnl_link_unregister+0x260/0x260
[  524.153710][ T8325]  rtnl_newlink+0x67/0xa0
[  524.158030][ T8325]  ? __rtnl_newlink+0x1930/0x1930
[  524.163043][ T8325]  rtnetlink_rcv_msg+0x3c7/0xe00
[  524.167976][ T8325]  ? rtnl_fill_vf+0x4a0/0x4a0
[  524.172644][ T8325]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  524.178619][ T8325]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  524.184594][ T8325]  netlink_rcv_skb+0x16b/0x440
[  524.189351][ T8325]  ? rtnl_fill_vf+0x4a0/0x4a0
[  524.194033][ T8325]  ? netlink_ack+0x1380/0x1380
[  524.198801][ T8325]  ? lock_sync+0x190/0x190
[  524.203219][ T8325]  ? netlink_deliver_tap+0x1a0/0xd00
[  524.208511][ T8325]  ? _copy_from_iter+0x2c1/0x10f0
[  524.213530][ T8325]  netlink_unicast+0x53b/0x810
[  524.218286][ T8325]  ? netlink_attachskb+0x880/0x880
[  524.223388][ T8325]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  524.229270][ T8325]  ? __phys_addr_symbol+0x30/0x70
[  524.234288][ T8325]  ? __check_object_size+0x323/0x730
[  524.239569][ T8325]  netlink_sendmsg+0x93c/0xe40
[  524.244334][ T8325]  ? netlink_unicast+0x810/0x810
[  524.249267][ T8325]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  524.254543][ T8325]  ? netlink_unicast+0x810/0x810
[  524.259483][ T8325]  __sock_sendmsg+0xd5/0x180
[  524.264071][ T8325]  ____sys_sendmsg+0x6ac/0x940
[  524.268830][ T8325]  ? copy_msghdr_from_user+0x10b/0x160
[  524.274281][ T8325]  ? kernel_sendmsg+0x50/0x50
[  524.278952][ T8325]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  524.284930][ T8325]  ___sys_sendmsg+0x135/0x1d0
[  524.289601][ T8325]  ? do_recvmmsg+0x740/0x740
[  524.294192][ T8325]  ? find_held_lock+0x2d/0x110
[  524.298984][ T8325]  ? preempt_count_sub+0x160/0x160
[  524.304096][ T8325]  ? __fget_light+0x1fc/0x260
[  524.308787][ T8325]  __sys_sendmsg+0x117/0x1e0
[  524.313376][ T8325]  ? __sys_sendmsg_sock+0x30/0x30
[  524.318405][ T8325]  ? syscall_enter_from_user_mode+0x7f/0x120
[  524.324384][ T8325]  do_syscall_64+0x40/0x110
[  524.328887][ T8325]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  524.334776][ T8325] RIP: 0033:0x7ff3fd6020b9
[  524.339177][ T8325] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  524.358802][ T8325] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  524.367265][ T8325] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  524.375249][ T8325] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  524.383223][ T8325] RBP: 000000000007fae9 R08: 0000000000000000 R09: 0000000000000006
[  524.391189][ T8325] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  524.399148][ T8325] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  524.407114][ T8325]  </TASK>
[  524.410613][ T8325] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  524.483693][ T8325] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  524.493010][ T8325] CPU: 1 PID: 8325 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  524.503446][ T8325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  524.513494][ T8325] Call Trace:
[  524.516771][ T8325]  <TASK>
[  524.519698][ T8325]  dump_stack_lvl+0x125/0x1b0
[  524.524380][ T8325]  sysfs_warn_dup+0x7f/0xa0
[  524.528886][ T8325]  sysfs_create_dir_ns+0x249/0x2b0
[  524.534004][ T8325]  ? sysfs_create_mount_point+0xb0/0xb0
[  524.539584][ T8325]  ? spin_bug+0x1d0/0x1d0
[  524.543913][ T8325]  ? net_namespace+0x12/0x40
[  524.548506][ T8325]  ? device_namespace+0x8d/0xc0
[  524.553368][ T8325]  kobject_add_internal+0x2c8/0x970
[  524.558578][ T8325]  kobject_add+0x16f/0x240
[  524.563001][ T8325]  ? kset_create_and_add+0x190/0x190
[  524.568291][ T8325]  ? do_raw_spin_unlock+0x173/0x230
[  524.573491][ T8325]  ? kobject_put+0xbe/0x440
[  524.577996][ T8325]  ? device_add+0xc35/0x1aa0
[  524.582592][ T8325]  device_add+0x289/0x1aa0
[  524.587014][ T8325]  ? device_initialize+0x510/0x510
[  524.592129][ T8325]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  524.598987][ T8325]  ? __init_waitqueue_head+0xca/0x150
[  524.604372][ T8325]  netdev_register_kobject+0x183/0x3f0
[  524.609849][ T8325]  register_netdevice+0xbe6/0x14b0
[  524.614984][ T8325]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  524.620882][ T8325]  ? validate_linkmsg+0x6fc/0x9c0
[  524.625912][ T8325]  br_dev_newlink+0x27/0x110
[  524.630503][ T8325]  ? br_changelink+0x1760/0x1760
[  524.635441][ T8325]  __rtnl_newlink+0x1173/0x1930
[  524.640305][ T8325]  ? rtnl_link_unregister+0x260/0x260
[  524.645696][ T8325]  rtnl_newlink+0x67/0xa0
[  524.650032][ T8325]  ? __rtnl_newlink+0x1930/0x1930
[  524.655061][ T8325]  rtnetlink_rcv_msg+0x3c7/0xe00
[  524.660006][ T8325]  ? rtnl_fill_vf+0x4a0/0x4a0
[  524.664687][ T8325]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  524.670675][ T8325]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  524.676666][ T8325]  netlink_rcv_skb+0x16b/0x440
[  524.681438][ T8325]  ? rtnl_fill_vf+0x4a0/0x4a0
[  524.686122][ T8325]  ? netlink_ack+0x1380/0x1380
[  524.690890][ T8325]  ? lock_sync+0x190/0x190
[  524.695321][ T8325]  ? netlink_deliver_tap+0x1a0/0xd00
[  524.700605][ T8325]  ? _copy_from_iter+0x2c1/0x10f0
[  524.705642][ T8325]  netlink_unicast+0x53b/0x810
[  524.710419][ T8325]  ? netlink_attachskb+0x880/0x880
[  524.715536][ T8325]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  524.721432][ T8325]  ? __phys_addr_symbol+0x30/0x70
[  524.726512][ T8325]  ? __check_object_size+0x323/0x730
[  524.731819][ T8325]  netlink_sendmsg+0x93c/0xe40
[  524.736597][ T8325]  ? netlink_unicast+0x810/0x810
[  524.741547][ T8325]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  524.747033][ T8325]  ? netlink_unicast+0x810/0x810
[  524.751995][ T8325]  __sock_sendmsg+0xd5/0x180
[  524.756589][ T8325]  ____sys_sendmsg+0x6ac/0x940
[  524.761357][ T8325]  ? copy_msghdr_from_user+0x10b/0x160
[  524.766819][ T8325]  ? kernel_sendmsg+0x50/0x50
[  524.771506][ T8325]  ___sys_sendmsg+0x135/0x1d0
[  524.776183][ T8325]  ? do_recvmmsg+0x740/0x740
[  524.780774][ T8325]  ? find_held_lock+0x2d/0x110
[  524.785544][ T8325]  ? preempt_count_sub+0x160/0x160
[  524.790662][ T8325]  ? __fget_light+0x1fc/0x260
[  524.795337][ T8325]  __sys_sendmsg+0x117/0x1e0
[  524.799927][ T8325]  ? __sys_sendmsg_sock+0x30/0x30
[  524.804960][ T8325]  ? syscall_enter_from_user_mode+0x7f/0x120
[  524.810946][ T8325]  do_syscall_64+0x40/0x110
[  524.815453][ T8325]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  524.821350][ T8325] RIP: 0033:0x7ff3fd6020b9
[  524.825757][ T8325] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  524.845362][ T8325] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  524.853770][ T8325] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  524.861734][ T8325] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  524.869696][ T8325] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  524.877662][ T8325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  524.885629][ T8325] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  524.893602][ T8325]  </TASK>
[  524.897239][ T8325] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  524.959397][ T8326] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  524.969520][ T8326] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  524.978708][ T8326] CPU: 0 PID: 8326 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  524.989160][ T8326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  524.999230][ T8326] Call Trace:
[  525.002535][ T8326]  <TASK>
[  525.005499][ T8326]  dump_stack_lvl+0x125/0x1b0
[  525.010173][ T8326]  sysfs_warn_dup+0x7f/0xa0
[  525.014672][ T8326]  sysfs_create_dir_ns+0x249/0x2b0
[  525.019781][ T8326]  ? sysfs_create_mount_point+0xb0/0xb0
[  525.025340][ T8326]  ? spin_bug+0x1d0/0x1d0
[  525.029661][ T8326]  ? net_namespace+0x12/0x40
[  525.034247][ T8326]  ? device_namespace+0x8d/0xc0
[  525.039096][ T8326]  kobject_add_internal+0x2c8/0x970
[  525.044293][ T8326]  kobject_add+0x16f/0x240
[  525.048705][ T8326]  ? kset_create_and_add+0x190/0x190
[  525.053992][ T8326]  ? do_raw_spin_unlock+0x173/0x230
[  525.059209][ T8326]  ? kobject_put+0xbe/0x440
[  525.063707][ T8326]  ? device_add+0xc35/0x1aa0
[  525.068290][ T8326]  device_add+0x289/0x1aa0
[  525.072699][ T8326]  ? device_initialize+0x510/0x510
[  525.077798][ T8326]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  525.084640][ T8326]  ? __init_waitqueue_head+0xca/0x150
[  525.090011][ T8326]  netdev_register_kobject+0x183/0x3f0
[  525.095468][ T8326]  register_netdevice+0xbe6/0x14b0
[  525.100587][ T8326]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  525.106499][ T8326]  ? validate_linkmsg+0x6fc/0x9c0
[  525.111531][ T8326]  br_dev_newlink+0x27/0x110
[  525.116117][ T8326]  ? br_changelink+0x1760/0x1760
[  525.121047][ T8326]  __rtnl_newlink+0x1173/0x1930
[  525.125902][ T8326]  ? rtnl_link_unregister+0x260/0x260
[  525.131279][ T8326]  rtnl_newlink+0x67/0xa0
[  525.135601][ T8326]  ? __rtnl_newlink+0x1930/0x1930
[  525.140616][ T8326]  rtnetlink_rcv_msg+0x3c7/0xe00
[  525.145595][ T8326]  ? rtnl_fill_vf+0x4a0/0x4a0
[  525.150266][ T8326]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  525.156240][ T8326]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  525.162247][ T8326]  netlink_rcv_skb+0x16b/0x440
[  525.167004][ T8326]  ? rtnl_fill_vf+0x4a0/0x4a0
[  525.171705][ T8326]  ? netlink_ack+0x1380/0x1380
[  525.176473][ T8326]  ? lock_sync+0x190/0x190
[  525.180908][ T8326]  ? netlink_deliver_tap+0x1a0/0xd00
[  525.186208][ T8326]  ? _copy_from_iter+0x2c1/0x10f0
[  525.191250][ T8326]  netlink_unicast+0x53b/0x810
[  525.196008][ T8326]  ? netlink_attachskb+0x880/0x880
[  525.201110][ T8326]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  525.206991][ T8326]  ? __phys_addr_symbol+0x30/0x70
[  525.212006][ T8326]  ? __check_object_size+0x323/0x730
[  525.217282][ T8326]  netlink_sendmsg+0x93c/0xe40
[  525.222041][ T8326]  ? netlink_unicast+0x810/0x810
[  525.226974][ T8326]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  525.232247][ T8326]  ? netlink_unicast+0x810/0x810
[  525.237176][ T8326]  __sock_sendmsg+0xd5/0x180
[  525.241758][ T8326]  ____sys_sendmsg+0x6ac/0x940
[  525.246514][ T8326]  ? copy_msghdr_from_user+0x10b/0x160
[  525.251965][ T8326]  ? kernel_sendmsg+0x50/0x50
[  525.256637][ T8326]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  525.262617][ T8326]  ___sys_sendmsg+0x135/0x1d0
[  525.267292][ T8326]  ? do_recvmmsg+0x740/0x740
[  525.271879][ T8326]  ? find_held_lock+0x2d/0x110
[  525.276650][ T8326]  ? preempt_count_sub+0x160/0x160
[  525.281774][ T8326]  ? __fget_light+0x1fc/0x260
[  525.286565][ T8326]  __sys_sendmsg+0x117/0x1e0
[  525.291152][ T8326]  ? __sys_sendmsg_sock+0x30/0x30
[  525.296175][ T8326]  ? syscall_enter_from_user_mode+0x7f/0x120
[  525.302151][ T8326]  do_syscall_64+0x40/0x110
[  525.306644][ T8326]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  525.312620][ T8326] RIP: 0033:0x7ff3fd6020b9
[  525.317022][ T8326] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  525.336651][ T8326] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  525.345071][ T8326] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  525.353066][ T8326] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  525.361115][ T8326] RBP: 000000000007feb3 R08: 0000000000000000 R09: 0000000000000006
[  525.369180][ T8326] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  525.377240][ T8326] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  525.385240][ T8326]  </TASK>
[  525.389576][ T8326] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  525.446197][ T8326] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  525.455426][ T8326] CPU: 0 PID: 8326 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  525.465962][ T8326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  525.476007][ T8326] Call Trace:
[  525.479279][ T8326]  <TASK>
[  525.482200][ T8326]  dump_stack_lvl+0x125/0x1b0
[  525.486874][ T8326]  sysfs_warn_dup+0x7f/0xa0
[  525.491379][ T8326]  sysfs_create_dir_ns+0x249/0x2b0
[  525.496506][ T8326]  ? sysfs_create_mount_point+0xb0/0xb0
[  525.502089][ T8326]  ? spin_bug+0x1d0/0x1d0
[  525.506447][ T8326]  ? net_namespace+0x12/0x40
[  525.511074][ T8326]  ? device_namespace+0x8d/0xc0
[  525.515972][ T8326]  kobject_add_internal+0x2c8/0x970
[  525.521216][ T8326]  kobject_add+0x16f/0x240
[  525.525647][ T8326]  ? kset_create_and_add+0x190/0x190
[  525.530970][ T8326]  ? do_raw_spin_unlock+0x173/0x230
[  525.536167][ T8326]  ? kobject_put+0xbe/0x440
[  525.540675][ T8326]  ? device_add+0xc35/0x1aa0
[  525.545269][ T8326]  device_add+0x289/0x1aa0
[  525.549686][ T8326]  ? device_initialize+0x510/0x510
[  525.554795][ T8326]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  525.561654][ T8326]  ? __init_waitqueue_head+0xca/0x150
[  525.567034][ T8326]  netdev_register_kobject+0x183/0x3f0
[  525.572511][ T8326]  register_netdevice+0xbe6/0x14b0
[  525.577663][ T8326]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  525.583565][ T8326]  ? validate_linkmsg+0x6fc/0x9c0
[  525.588594][ T8326]  br_dev_newlink+0x27/0x110
[  525.593190][ T8326]  ? br_changelink+0x1760/0x1760
[  525.598127][ T8326]  __rtnl_newlink+0x1173/0x1930
[  525.602987][ T8326]  ? rtnl_link_unregister+0x260/0x260
[  525.608376][ T8326]  rtnl_newlink+0x67/0xa0
[  525.612706][ T8326]  ? __rtnl_newlink+0x1930/0x1930
[  525.617730][ T8326]  rtnetlink_rcv_msg+0x3c7/0xe00
[  525.622667][ T8326]  ? rtnl_fill_vf+0x4a0/0x4a0
[  525.627346][ T8326]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  525.633359][ T8326]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  525.639348][ T8326]  netlink_rcv_skb+0x16b/0x440
[  525.644115][ T8326]  ? rtnl_fill_vf+0x4a0/0x4a0
[  525.648793][ T8326]  ? netlink_ack+0x1380/0x1380
[  525.653561][ T8326]  ? lock_sync+0x190/0x190
[  525.657990][ T8326]  ? netlink_deliver_tap+0x1a0/0xd00
[  525.663275][ T8326]  ? _copy_from_iter+0x2c1/0x10f0
[  525.668307][ T8326]  netlink_unicast+0x53b/0x810
[  525.673081][ T8326]  ? netlink_attachskb+0x880/0x880
[  525.678198][ T8326]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  525.684174][ T8326]  ? __phys_addr_symbol+0x30/0x70
[  525.689220][ T8326]  ? __check_object_size+0x323/0x730
[  525.694507][ T8326]  netlink_sendmsg+0x93c/0xe40
[  525.699280][ T8326]  ? netlink_unicast+0x810/0x810
[  525.704222][ T8326]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  525.709504][ T8326]  ? netlink_unicast+0x810/0x810
[  525.714447][ T8326]  __sock_sendmsg+0xd5/0x180
[  525.719037][ T8326]  ____sys_sendmsg+0x6ac/0x940
[  525.723826][ T8326]  ? copy_msghdr_from_user+0x10b/0x160
[  525.729284][ T8326]  ? kernel_sendmsg+0x50/0x50
[  525.733968][ T8326]  ? hlock_class+0x4e/0x130
[  525.738471][ T8326]  ? __lock_acquire+0x14e0/0x3b10
[  525.743502][ T8326]  ___sys_sendmsg+0x135/0x1d0
[  525.748186][ T8326]  ? do_recvmmsg+0x740/0x740
[  525.752775][ T8326]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  525.758758][ T8326]  ? find_held_lock+0x2d/0x110
[  525.763540][ T8326]  ? __fget_light+0x1fc/0x260
[  525.768216][ T8326]  __sys_sendmsg+0x117/0x1e0
[  525.772810][ T8326]  ? __sys_sendmsg_sock+0x30/0x30
[  525.777836][ T8326]  ? xfd_validate_state+0x5d/0x180
[  525.782959][ T8326]  ? syscall_enter_from_user_mode+0x7f/0x120
[  525.788944][ T8326]  do_syscall_64+0x40/0x110
[  525.793444][ T8326]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  525.799338][ T8326] RIP: 0033:0x7ff3fd6020b9
[  525.803748][ T8326] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  525.823356][ T8326] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  525.831766][ T8326] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  525.839732][ T8326] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  525.847695][ T8326] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  525.855657][ T8326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  525.863618][ T8326] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  525.871680][ T8326]  </TASK>
[  525.874881][ T8326] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  525.928236][ T8327] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  525.938369][ T8327] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  525.947560][ T8327] CPU: 1 PID: 8327 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  525.958003][ T8327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  525.968060][ T8327] Call Trace:
[  525.971336][ T8327]  <TASK>
[  525.974271][ T8327]  dump_stack_lvl+0x125/0x1b0
[  525.978976][ T8327]  sysfs_warn_dup+0x7f/0xa0
[  525.983477][ T8327]  sysfs_create_dir_ns+0x249/0x2b0
[  525.988590][ T8327]  ? sysfs_create_mount_point+0xb0/0xb0
[  525.994137][ T8327]  ? spin_bug+0x1d0/0x1d0
[  525.998491][ T8327]  ? net_namespace+0x12/0x40
[  526.003079][ T8327]  ? device_namespace+0x8d/0xc0
[  526.007927][ T8327]  kobject_add_internal+0x2c8/0x970
[  526.013125][ T8327]  kobject_add+0x16f/0x240
[  526.017598][ T8327]  ? kset_create_and_add+0x190/0x190
[  526.022935][ T8327]  ? do_raw_spin_unlock+0x173/0x230
[  526.028155][ T8327]  ? kobject_put+0xbe/0x440
[  526.032665][ T8327]  ? device_add+0xc35/0x1aa0
[  526.037252][ T8327]  device_add+0x289/0x1aa0
[  526.041664][ T8327]  ? device_initialize+0x510/0x510
[  526.046770][ T8327]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  526.053622][ T8327]  ? __init_waitqueue_head+0xca/0x150
[  526.058996][ T8327]  netdev_register_kobject+0x183/0x3f0
[  526.064457][ T8327]  register_netdevice+0xbe6/0x14b0
[  526.069571][ T8327]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  526.075459][ T8327]  ? validate_linkmsg+0x6fc/0x9c0
[  526.080484][ T8327]  br_dev_newlink+0x27/0x110
[  526.085067][ T8327]  ? br_changelink+0x1760/0x1760
[  526.089998][ T8327]  __rtnl_newlink+0x1173/0x1930
[  526.094850][ T8327]  ? rtnl_link_unregister+0x260/0x260
[  526.100316][ T8327]  rtnl_newlink+0x67/0xa0
[  526.104641][ T8327]  ? __rtnl_newlink+0x1930/0x1930
[  526.109655][ T8327]  rtnetlink_rcv_msg+0x3c7/0xe00
[  526.114674][ T8327]  ? rtnl_fill_vf+0x4a0/0x4a0
[  526.119344][ T8327]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  526.125408][ T8327]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  526.131390][ T8327]  netlink_rcv_skb+0x16b/0x440
[  526.136154][ T8327]  ? rtnl_fill_vf+0x4a0/0x4a0
[  526.140849][ T8327]  ? netlink_ack+0x1380/0x1380
[  526.145629][ T8327]  ? lock_sync+0x190/0x190
[  526.150071][ T8327]  ? netlink_deliver_tap+0x1a0/0xd00
[  526.155370][ T8327]  ? _copy_from_iter+0x2c1/0x10f0
[  526.160396][ T8327]  netlink_unicast+0x53b/0x810
[  526.165166][ T8327]  ? netlink_attachskb+0x880/0x880
[  526.170275][ T8327]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  526.176164][ T8327]  ? __phys_addr_symbol+0x30/0x70
[  526.181187][ T8327]  ? __check_object_size+0x323/0x730
[  526.186488][ T8327]  netlink_sendmsg+0x93c/0xe40
[  526.191266][ T8327]  ? netlink_unicast+0x810/0x810
[  526.196202][ T8327]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  526.201481][ T8327]  ? netlink_unicast+0x810/0x810
[  526.206425][ T8327]  __sock_sendmsg+0xd5/0x180
[  526.211015][ T8327]  ____sys_sendmsg+0x6ac/0x940
[  526.215772][ T8327]  ? copy_msghdr_from_user+0x10b/0x160
[  526.221224][ T8327]  ? kernel_sendmsg+0x50/0x50
[  526.225897][ T8327]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  526.231879][ T8327]  ___sys_sendmsg+0x135/0x1d0
[  526.236581][ T8327]  ? do_recvmmsg+0x740/0x740
[  526.241167][ T8327]  ? find_held_lock+0x2d/0x110
[  526.245928][ T8327]  ? preempt_count_sub+0x160/0x160
[  526.251050][ T8327]  ? __fget_light+0x1fc/0x260
[  526.255732][ T8327]  __sys_sendmsg+0x117/0x1e0
[  526.260337][ T8327]  ? __sys_sendmsg_sock+0x30/0x30
[  526.265357][ T8327]  ? xfd_validate_state+0x5d/0x180
[  526.270471][ T8327]  ? syscall_enter_from_user_mode+0x7f/0x120
[  526.276541][ T8327]  do_syscall_64+0x40/0x110
[  526.281067][ T8327]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  526.286958][ T8327] RIP: 0033:0x7ff3fd6020b9
[  526.291359][ T8327] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  526.310986][ T8327] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  526.319389][ T8327] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  526.327385][ T8327] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  526.335344][ T8327] RBP: 0000000000080289 R08: 0000000000000000 R09: 0000000000000006
[  526.343303][ T8327] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  526.351262][ T8327] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  526.359231][ T8327]  </TASK>
[  526.364720][ T8327] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  526.443557][ T8327] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  526.452768][ T8327] CPU: 1 PID: 8327 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  526.463192][ T8327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  526.473325][ T8327] Call Trace:
[  526.476650][ T8327]  <TASK>
[  526.479581][ T8327]  dump_stack_lvl+0x125/0x1b0
[  526.484257][ T8327]  sysfs_warn_dup+0x7f/0xa0
[  526.488780][ T8327]  sysfs_create_dir_ns+0x249/0x2b0
[  526.493895][ T8327]  ? sysfs_create_mount_point+0xb0/0xb0
[  526.499437][ T8327]  ? spin_bug+0x1d0/0x1d0
[  526.503764][ T8327]  ? net_namespace+0x12/0x40
[  526.508348][ T8327]  ? device_namespace+0x8d/0xc0
[  526.513220][ T8327]  kobject_add_internal+0x2c8/0x970
[  526.518430][ T8327]  kobject_add+0x16f/0x240
[  526.522869][ T8327]  ? kset_create_and_add+0x190/0x190
[  526.528154][ T8327]  ? do_raw_spin_unlock+0x173/0x230
[  526.533350][ T8327]  ? kobject_put+0xbe/0x440
[  526.537854][ T8327]  ? device_add+0xc35/0x1aa0
[  526.542448][ T8327]  device_add+0x289/0x1aa0
[  526.546884][ T8327]  ? device_initialize+0x510/0x510
[  526.551991][ T8327]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  526.558854][ T8327]  ? __init_waitqueue_head+0xca/0x150
[  526.564238][ T8327]  netdev_register_kobject+0x183/0x3f0
[  526.569708][ T8327]  register_netdevice+0xbe6/0x14b0
[  526.574827][ T8327]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  526.580749][ T8327]  ? validate_linkmsg+0x6fc/0x9c0
[  526.585803][ T8327]  br_dev_newlink+0x27/0x110
[  526.590394][ T8327]  ? br_changelink+0x1760/0x1760
[  526.595330][ T8327]  __rtnl_newlink+0x1173/0x1930
[  526.600187][ T8327]  ? rtnl_link_unregister+0x260/0x260
[  526.605580][ T8327]  rtnl_newlink+0x67/0xa0
[  526.609911][ T8327]  ? __rtnl_newlink+0x1930/0x1930
[  526.615018][ T8327]  rtnetlink_rcv_msg+0x3c7/0xe00
[  526.619993][ T8327]  ? rtnl_fill_vf+0x4a0/0x4a0
[  526.624667][ T8327]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  526.630657][ T8327]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  526.636649][ T8327]  netlink_rcv_skb+0x16b/0x440
[  526.641419][ T8327]  ? rtnl_fill_vf+0x4a0/0x4a0
[  526.646097][ T8327]  ? netlink_ack+0x1380/0x1380
[  526.650893][ T8327]  ? lock_sync+0x190/0x190
[  526.655319][ T8327]  ? netlink_deliver_tap+0x1a0/0xd00
[  526.660601][ T8327]  ? _copy_from_iter+0x2c1/0x10f0
[  526.665634][ T8327]  netlink_unicast+0x53b/0x810
[  526.670399][ T8327]  ? netlink_attachskb+0x880/0x880
[  526.675508][ T8327]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  526.681402][ T8327]  ? __phys_addr_symbol+0x30/0x70
[  526.686421][ T8327]  ? __check_object_size+0x323/0x730
[  526.691707][ T8327]  netlink_sendmsg+0x93c/0xe40
[  526.696475][ T8327]  ? netlink_unicast+0x810/0x810
[  526.701413][ T8327]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  526.706695][ T8327]  ? netlink_unicast+0x810/0x810
[  526.711729][ T8327]  __sock_sendmsg+0xd5/0x180
[  526.716315][ T8327]  ____sys_sendmsg+0x6ac/0x940
[  526.721079][ T8327]  ? copy_msghdr_from_user+0x10b/0x160
[  526.726540][ T8327]  ? kernel_sendmsg+0x50/0x50
[  526.731242][ T8327]  ? hlock_class+0x4e/0x130
[  526.735763][ T8327]  ? __lock_acquire+0x14e0/0x3b10
[  526.740797][ T8327]  ___sys_sendmsg+0x135/0x1d0
[  526.745485][ T8327]  ? do_recvmmsg+0x740/0x740
[  526.750071][ T8327]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  526.756061][ T8327]  ? find_held_lock+0x2d/0x110
[  526.760844][ T8327]  ? __fget_light+0x1fc/0x260
[  526.765522][ T8327]  __sys_sendmsg+0x117/0x1e0
[  526.770121][ T8327]  ? __sys_sendmsg_sock+0x30/0x30
[  526.775148][ T8327]  ? __do_sys_rseq+0x750/0x750
[  526.779916][ T8327]  ? syscall_enter_from_user_mode+0x7f/0x120
[  526.785932][ T8327]  do_syscall_64+0x40/0x110
[  526.790437][ T8327]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  526.796429][ T8327] RIP: 0033:0x7ff3fd6020b9
[  526.800838][ T8327] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  526.820461][ T8327] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  526.828881][ T8327] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  526.836842][ T8327] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  526.844802][ T8327] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  526.852796][ T8327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  526.860782][ T8327] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  526.868765][ T8327]  </TASK>
[  526.872988][ T8327] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  526.926992][ T8328] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  526.937019][ T8328] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  526.946186][ T8328] CPU: 1 PID: 8328 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  526.956627][ T8328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  526.966672][ T8328] Call Trace:
[  526.969944][ T8328]  <TASK>
[  526.972871][ T8328]  dump_stack_lvl+0x125/0x1b0
[  526.977561][ T8328]  sysfs_warn_dup+0x7f/0xa0
[  526.982084][ T8328]  sysfs_create_dir_ns+0x249/0x2b0
[  526.987196][ T8328]  ? sysfs_create_mount_point+0xb0/0xb0
[  526.992764][ T8328]  ? spin_bug+0x1d0/0x1d0
[  526.997128][ T8328]  ? net_namespace+0x12/0x40
[  527.001718][ T8328]  ? device_namespace+0x8d/0xc0
[  527.006574][ T8328]  kobject_add_internal+0x2c8/0x970
[  527.011775][ T8328]  kobject_add+0x16f/0x240
[  527.016189][ T8328]  ? kset_create_and_add+0x190/0x190
[  527.021475][ T8328]  ? do_raw_spin_unlock+0x173/0x230
[  527.026668][ T8328]  ? kobject_put+0xbe/0x440
[  527.031167][ T8328]  ? device_add+0xc35/0x1aa0
[  527.035756][ T8328]  device_add+0x289/0x1aa0
[  527.040170][ T8328]  ? device_initialize+0x510/0x510
[  527.045299][ T8328]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  527.052149][ T8328]  ? __init_waitqueue_head+0xca/0x150
[  527.057524][ T8328]  netdev_register_kobject+0x183/0x3f0
[  527.062996][ T8328]  register_netdevice+0xbe6/0x14b0
[  527.068110][ T8328]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  527.074002][ T8328]  ? validate_linkmsg+0x6fc/0x9c0
[  527.079027][ T8328]  br_dev_newlink+0x27/0x110
[  527.083618][ T8328]  ? br_changelink+0x1760/0x1760
[  527.088555][ T8328]  __rtnl_newlink+0x1173/0x1930
[  527.093413][ T8328]  ? rtnl_link_unregister+0x260/0x260
[  527.098821][ T8328]  rtnl_newlink+0x67/0xa0
[  527.103169][ T8328]  ? __rtnl_newlink+0x1930/0x1930
[  527.108208][ T8328]  rtnetlink_rcv_msg+0x3c7/0xe00
[  527.113148][ T8328]  ? rtnl_fill_vf+0x4a0/0x4a0
[  527.117824][ T8328]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  527.123807][ T8328]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  527.129793][ T8328]  netlink_rcv_skb+0x16b/0x440
[  527.134559][ T8328]  ? rtnl_fill_vf+0x4a0/0x4a0
[  527.139253][ T8328]  ? netlink_ack+0x1380/0x1380
[  527.144018][ T8328]  ? lock_sync+0x190/0x190
[  527.148445][ T8328]  ? netlink_deliver_tap+0x1a0/0xd00
[  527.153730][ T8328]  ? _copy_from_iter+0x2c1/0x10f0
[  527.158762][ T8328]  netlink_unicast+0x53b/0x810
[  527.163535][ T8328]  ? netlink_attachskb+0x880/0x880
[  527.168656][ T8328]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  527.174574][ T8328]  ? __phys_addr_symbol+0x30/0x70
[  527.179597][ T8328]  ? __check_object_size+0x323/0x730
[  527.184903][ T8328]  netlink_sendmsg+0x93c/0xe40
[  527.189674][ T8328]  ? netlink_unicast+0x810/0x810
[  527.194620][ T8328]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  527.199906][ T8328]  ? netlink_unicast+0x810/0x810
[  527.204842][ T8328]  __sock_sendmsg+0xd5/0x180
[  527.209428][ T8328]  ____sys_sendmsg+0x6ac/0x940
[  527.214186][ T8328]  ? copy_msghdr_from_user+0x10b/0x160
[  527.219644][ T8328]  ? kernel_sendmsg+0x50/0x50
[  527.224349][ T8328]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  527.230334][ T8328]  ___sys_sendmsg+0x135/0x1d0
[  527.235011][ T8328]  ? do_recvmmsg+0x740/0x740
[  527.239629][ T8328]  ? find_held_lock+0x2d/0x110
[  527.244420][ T8328]  ? preempt_count_sub+0x160/0x160
[  527.249556][ T8328]  ? __fget_light+0x1fc/0x260
[  527.254244][ T8328]  __sys_sendmsg+0x117/0x1e0
[  527.258847][ T8328]  ? __sys_sendmsg_sock+0x30/0x30
[  527.263885][ T8328]  ? syscall_enter_from_user_mode+0x7f/0x120
[  527.269872][ T8328]  do_syscall_64+0x40/0x110
[  527.274372][ T8328]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  527.280268][ T8328] RIP: 0033:0x7ff3fd6020b9
[  527.284710][ T8328] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  527.304320][ T8328] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  527.312731][ T8328] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  527.320726][ T8328] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  527.328698][ T8328] RBP: 0000000000080651 R08: 0000000000000000 R09: 0000000000000006
[  527.336668][ T8328] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  527.344637][ T8328] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  527.352630][ T8328]  </TASK>
[  527.360702][ T8328] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  527.423554][ T8328] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  527.432777][ T8328] CPU: 1 PID: 8328 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  527.443193][ T8328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  527.453233][ T8328] Call Trace:
[  527.456503][ T8328]  <TASK>
[  527.459423][ T8328]  dump_stack_lvl+0x125/0x1b0
[  527.464112][ T8328]  sysfs_warn_dup+0x7f/0xa0
[  527.468613][ T8328]  sysfs_create_dir_ns+0x249/0x2b0
[  527.473715][ T8328]  ? sysfs_create_mount_point+0xb0/0xb0
[  527.479249][ T8328]  ? spin_bug+0x1d0/0x1d0
[  527.483599][ T8328]  ? net_namespace+0x12/0x40
[  527.488188][ T8328]  ? device_namespace+0x8d/0xc0
[  527.493044][ T8328]  kobject_add_internal+0x2c8/0x970
[  527.498244][ T8328]  kobject_add+0x16f/0x240
[  527.502660][ T8328]  ? kset_create_and_add+0x190/0x190
[  527.507945][ T8328]  ? do_raw_spin_unlock+0x173/0x230
[  527.513161][ T8328]  ? kobject_put+0xbe/0x440
[  527.517661][ T8328]  ? device_add+0xc35/0x1aa0
[  527.522247][ T8328]  device_add+0x289/0x1aa0
[  527.526662][ T8328]  ? device_initialize+0x510/0x510
[  527.531770][ T8328]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  527.538621][ T8328]  ? __init_waitqueue_head+0xca/0x150
[  527.543997][ T8328]  netdev_register_kobject+0x183/0x3f0
[  527.549463][ T8328]  register_netdevice+0xbe6/0x14b0
[  527.554577][ T8328]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  527.560470][ T8328]  ? validate_linkmsg+0x6fc/0x9c0
[  527.565493][ T8328]  br_dev_newlink+0x27/0x110
[  527.570079][ T8328]  ? br_changelink+0x1760/0x1760
[  527.575011][ T8328]  __rtnl_newlink+0x1173/0x1930
[  527.579872][ T8328]  ? rtnl_link_unregister+0x260/0x260
[  527.585259][ T8328]  rtnl_newlink+0x67/0xa0
[  527.589587][ T8328]  ? __rtnl_newlink+0x1930/0x1930
[  527.594609][ T8328]  rtnetlink_rcv_msg+0x3c7/0xe00
[  527.599565][ T8328]  ? rtnl_fill_vf+0x4a0/0x4a0
[  527.604238][ T8328]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  527.610252][ T8328]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  527.616259][ T8328]  netlink_rcv_skb+0x16b/0x440
[  527.621035][ T8328]  ? rtnl_fill_vf+0x4a0/0x4a0
[  527.625713][ T8328]  ? netlink_ack+0x1380/0x1380
[  527.630480][ T8328]  ? lock_sync+0x190/0x190
[  527.634907][ T8328]  ? netlink_deliver_tap+0x1a0/0xd00
[  527.640195][ T8328]  ? _copy_from_iter+0x2c1/0x10f0
[  527.645223][ T8328]  netlink_unicast+0x53b/0x810
[  527.650017][ T8328]  ? netlink_attachskb+0x880/0x880
[  527.655128][ T8328]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  527.661021][ T8328]  ? __phys_addr_symbol+0x30/0x70
[  527.666046][ T8328]  ? __check_object_size+0x323/0x730
[  527.671336][ T8328]  netlink_sendmsg+0x93c/0xe40
[  527.676107][ T8328]  ? netlink_unicast+0x810/0x810
[  527.681057][ T8328]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  527.686343][ T8328]  ? netlink_unicast+0x810/0x810
[  527.691281][ T8328]  __sock_sendmsg+0xd5/0x180
[  527.695869][ T8328]  ____sys_sendmsg+0x6ac/0x940
[  527.700632][ T8328]  ? copy_msghdr_from_user+0x10b/0x160
[  527.706097][ T8328]  ? kernel_sendmsg+0x50/0x50
[  527.710803][ T8328]  ? hlock_class+0x4e/0x130
[  527.715304][ T8328]  ? __lock_acquire+0x14e0/0x3b10
[  527.720333][ T8328]  ___sys_sendmsg+0x135/0x1d0
[  527.725016][ T8328]  ? do_recvmmsg+0x740/0x740
[  527.729605][ T8328]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  527.735585][ T8328]  ? find_held_lock+0x2d/0x110
[  527.740366][ T8328]  ? __fget_light+0x1fc/0x260
[  527.745049][ T8328]  __sys_sendmsg+0x117/0x1e0
[  527.749645][ T8328]  ? __sys_sendmsg_sock+0x30/0x30
[  527.754667][ T8328]  ? __do_sys_rseq+0x750/0x750
[  527.759434][ T8328]  ? syscall_enter_from_user_mode+0x7f/0x120
[  527.765415][ T8328]  do_syscall_64+0x40/0x110
[  527.769912][ T8328]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  527.775829][ T8328] RIP: 0033:0x7ff3fd6020b9
[  527.780238][ T8328] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  527.799839][ T8328] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  527.808245][ T8328] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  527.816209][ T8328] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  527.824172][ T8328] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  527.832135][ T8328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  527.840099][ T8328] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  527.848073][ T8328]  </TASK>
[  527.851341][ T8328] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  527.918023][ T8329] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  527.928223][ T8329] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  527.937408][ T8329] CPU: 0 PID: 8329 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  527.947834][ T8329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  527.957966][ T8329] Call Trace:
[  527.961237][ T8329]  <TASK>
[  527.964161][ T8329]  dump_stack_lvl+0x125/0x1b0
[  527.968834][ T8329]  sysfs_warn_dup+0x7f/0xa0
[  527.973331][ T8329]  sysfs_create_dir_ns+0x249/0x2b0
[  527.978451][ T8329]  ? sysfs_create_mount_point+0xb0/0xb0
[  527.984027][ T8329]  ? spin_bug+0x1d0/0x1d0
[  527.988357][ T8329]  ? net_namespace+0x12/0x40
[  527.992979][ T8329]  ? device_namespace+0x8d/0xc0
[  527.997828][ T8329]  kobject_add_internal+0x2c8/0x970
[  528.003025][ T8329]  kobject_add+0x16f/0x240
[  528.007440][ T8329]  ? kset_create_and_add+0x190/0x190
[  528.012718][ T8329]  ? do_raw_spin_unlock+0x173/0x230
[  528.017928][ T8329]  ? kobject_put+0xbe/0x440
[  528.022452][ T8329]  ? device_add+0xc35/0x1aa0
[  528.027036][ T8329]  device_add+0x289/0x1aa0
[  528.031482][ T8329]  ? device_initialize+0x510/0x510
[  528.036585][ T8329]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  528.043437][ T8329]  ? __init_waitqueue_head+0xca/0x150
[  528.048831][ T8329]  netdev_register_kobject+0x183/0x3f0
[  528.054313][ T8329]  register_netdevice+0xbe6/0x14b0
[  528.059432][ T8329]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  528.065320][ T8329]  ? validate_linkmsg+0x6fc/0x9c0
[  528.070360][ T8329]  br_dev_newlink+0x27/0x110
[  528.074944][ T8329]  ? br_changelink+0x1760/0x1760
[  528.079874][ T8329]  __rtnl_newlink+0x1173/0x1930
[  528.084728][ T8329]  ? rtnl_link_unregister+0x260/0x260
[  528.090134][ T8329]  rtnl_newlink+0x67/0xa0
[  528.094459][ T8329]  ? __rtnl_newlink+0x1930/0x1930
[  528.099473][ T8329]  rtnetlink_rcv_msg+0x3c7/0xe00
[  528.104406][ T8329]  ? rtnl_fill_vf+0x4a0/0x4a0
[  528.109074][ T8329]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  528.115048][ T8329]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  528.121033][ T8329]  netlink_rcv_skb+0x16b/0x440
[  528.125800][ T8329]  ? rtnl_fill_vf+0x4a0/0x4a0
[  528.130471][ T8329]  ? netlink_ack+0x1380/0x1380
[  528.135260][ T8329]  ? lock_sync+0x190/0x190
[  528.139716][ T8329]  ? netlink_deliver_tap+0x1a0/0xd00
[  528.145006][ T8329]  ? _copy_from_iter+0x2c1/0x10f0
[  528.150063][ T8329]  netlink_unicast+0x53b/0x810
[  528.154827][ T8329]  ? netlink_attachskb+0x880/0x880
[  528.159932][ T8329]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  528.165844][ T8329]  ? __phys_addr_symbol+0x30/0x70
[  528.170859][ T8329]  ? __check_object_size+0x323/0x730
[  528.176133][ T8329]  netlink_sendmsg+0x93c/0xe40
[  528.180901][ T8329]  ? netlink_unicast+0x810/0x810
[  528.185921][ T8329]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  528.191195][ T8329]  ? netlink_unicast+0x810/0x810
[  528.196124][ T8329]  __sock_sendmsg+0xd5/0x180
[  528.200719][ T8329]  ____sys_sendmsg+0x6ac/0x940
[  528.205477][ T8329]  ? copy_msghdr_from_user+0x10b/0x160
[  528.211041][ T8329]  ? kernel_sendmsg+0x50/0x50
[  528.215711][ T8329]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  528.221684][ T8329]  ___sys_sendmsg+0x135/0x1d0
[  528.226378][ T8329]  ? do_recvmmsg+0x740/0x740
[  528.230963][ T8329]  ? find_held_lock+0x2d/0x110
[  528.235730][ T8329]  ? preempt_count_sub+0x160/0x160
[  528.240839][ T8329]  ? __fget_light+0x1fc/0x260
[  528.245511][ T8329]  __sys_sendmsg+0x117/0x1e0
[  528.250096][ T8329]  ? __sys_sendmsg_sock+0x30/0x30
[  528.255120][ T8329]  ? xfd_validate_state+0x5d/0x180
[  528.260254][ T8329]  ? syscall_enter_from_user_mode+0x7f/0x120
[  528.266242][ T8329]  do_syscall_64+0x40/0x110
[  528.270765][ T8329]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  528.276706][ T8329] RIP: 0033:0x7ff3fd6020b9
[  528.281123][ T8329] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  528.300735][ T8329] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  528.309169][ T8329] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  528.317139][ T8329] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  528.325121][ T8329] RBP: 0000000000080a38 R08: 0000000000000000 R09: 0000000000000006
[  528.333109][ T8329] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  528.341076][ T8329] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  528.349054][ T8329]  </TASK>
[  528.352554][ T8329] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  528.403721][ T8329] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  528.413044][ T8329] CPU: 1 PID: 8329 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  528.423488][ T8329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  528.433535][ T8329] Call Trace:
[  528.436800][ T8329]  <TASK>
[  528.439715][ T8329]  dump_stack_lvl+0x125/0x1b0
[  528.444383][ T8329]  sysfs_warn_dup+0x7f/0xa0
[  528.448877][ T8329]  sysfs_create_dir_ns+0x249/0x2b0
[  528.453982][ T8329]  ? sysfs_create_mount_point+0xb0/0xb0
[  528.459517][ T8329]  ? spin_bug+0x1d0/0x1d0
[  528.463835][ T8329]  ? net_namespace+0x12/0x40
[  528.468422][ T8329]  ? device_namespace+0x8d/0xc0
[  528.473283][ T8329]  kobject_add_internal+0x2c8/0x970
[  528.478487][ T8329]  kobject_add+0x16f/0x240
[  528.482901][ T8329]  ? kset_create_and_add+0x190/0x190
[  528.488185][ T8329]  ? do_raw_spin_unlock+0x173/0x230
[  528.493382][ T8329]  ? kobject_put+0xbe/0x440
[  528.497883][ T8329]  ? device_add+0xc35/0x1aa0
[  528.502506][ T8329]  device_add+0x289/0x1aa0
[  528.506929][ T8329]  ? device_initialize+0x510/0x510
[  528.512120][ T8329]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  528.518972][ T8329]  ? __init_waitqueue_head+0xca/0x150
[  528.524357][ T8329]  netdev_register_kobject+0x183/0x3f0
[  528.529824][ T8329]  register_netdevice+0xbe6/0x14b0
[  528.534940][ T8329]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  528.540834][ T8329]  ? validate_linkmsg+0x6fc/0x9c0
[  528.545862][ T8329]  br_dev_newlink+0x27/0x110
[  528.550449][ T8329]  ? br_changelink+0x1760/0x1760
[  528.555382][ T8329]  __rtnl_newlink+0x1173/0x1930
[  528.560240][ T8329]  ? rtnl_link_unregister+0x260/0x260
[  528.565632][ T8329]  rtnl_newlink+0x67/0xa0
[  528.569959][ T8329]  ? __rtnl_newlink+0x1930/0x1930
[  528.574986][ T8329]  rtnetlink_rcv_msg+0x3c7/0xe00
[  528.579926][ T8329]  ? rtnl_fill_vf+0x4a0/0x4a0
[  528.584603][ T8329]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  528.590585][ T8329]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  528.596576][ T8329]  netlink_rcv_skb+0x16b/0x440
[  528.601345][ T8329]  ? rtnl_fill_vf+0x4a0/0x4a0
[  528.606026][ T8329]  ? netlink_ack+0x1380/0x1380
[  528.610792][ T8329]  ? lock_sync+0x190/0x190
[  528.615219][ T8329]  ? netlink_deliver_tap+0x1a0/0xd00
[  528.620501][ T8329]  ? _copy_from_iter+0x2c1/0x10f0
[  528.625528][ T8329]  netlink_unicast+0x53b/0x810
[  528.630302][ T8329]  ? netlink_attachskb+0x880/0x880
[  528.635422][ T8329]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  528.641321][ T8329]  ? __phys_addr_symbol+0x30/0x70
[  528.646343][ T8329]  ? __check_object_size+0x323/0x730
[  528.651630][ T8329]  netlink_sendmsg+0x93c/0xe40
[  528.656399][ T8329]  ? netlink_unicast+0x810/0x810
[  528.661346][ T8329]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  528.666628][ T8329]  ? netlink_unicast+0x810/0x810
[  528.671568][ T8329]  __sock_sendmsg+0xd5/0x180
[  528.676156][ T8329]  ____sys_sendmsg+0x6ac/0x940
[  528.680917][ T8329]  ? copy_msghdr_from_user+0x10b/0x160
[  528.686372][ T8329]  ? kernel_sendmsg+0x50/0x50
[  528.691055][ T8329]  ___sys_sendmsg+0x135/0x1d0
[  528.695738][ T8329]  ? do_recvmmsg+0x740/0x740
[  528.700328][ T8329]  ? find_held_lock+0x2d/0x110
[  528.705099][ T8329]  ? preempt_count_sub+0x160/0x160
[  528.710239][ T8329]  ? __fget_light+0x1fc/0x260
[  528.714911][ T8329]  __sys_sendmsg+0x117/0x1e0
[  528.719504][ T8329]  ? __sys_sendmsg_sock+0x30/0x30
[  528.724537][ T8329]  ? syscall_enter_from_user_mode+0x7f/0x120
[  528.730518][ T8329]  do_syscall_64+0x40/0x110
[  528.735019][ T8329]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  528.740915][ T8329] RIP: 0033:0x7ff3fd6020b9
[  528.745321][ T8329] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  528.764923][ T8329] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  528.773330][ T8329] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  528.781318][ T8329] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  528.789287][ T8329] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  528.797259][ T8329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  528.805223][ T8329] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  528.813194][ T8329]  </TASK>
[  528.816571][ T8329] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  528.887202][ T8330] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  528.897385][ T8330] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  528.906591][ T8330] CPU: 1 PID: 8330 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  528.917009][ T8330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  528.927055][ T8330] Call Trace:
[  528.930329][ T8330]  <TASK>
[  528.933257][ T8330]  dump_stack_lvl+0x125/0x1b0
[  528.937936][ T8330]  sysfs_warn_dup+0x7f/0xa0
[  528.942438][ T8330]  sysfs_create_dir_ns+0x249/0x2b0
[  528.947567][ T8330]  ? sysfs_create_mount_point+0xb0/0xb0
[  528.953112][ T8330]  ? spin_bug+0x1d0/0x1d0
[  528.957435][ T8330]  ? net_namespace+0x12/0x40
[  528.962072][ T8330]  ? device_namespace+0x8d/0xc0
[  528.966928][ T8330]  kobject_add_internal+0x2c8/0x970
[  528.975166][ T8330]  kobject_add+0x16f/0x240
[  528.979584][ T8330]  ? kset_create_and_add+0x190/0x190
[  528.984872][ T8330]  ? do_raw_spin_unlock+0x173/0x230
[  528.990064][ T8330]  ? kobject_put+0xbe/0x440
[  528.994567][ T8330]  ? device_add+0xc35/0x1aa0
[  528.999156][ T8330]  device_add+0x289/0x1aa0
[  529.003570][ T8330]  ? device_initialize+0x510/0x510
[  529.008677][ T8330]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  529.015533][ T8330]  ? __init_waitqueue_head+0xca/0x150
[  529.020912][ T8330]  netdev_register_kobject+0x183/0x3f0
[  529.026375][ T8330]  register_netdevice+0xbe6/0x14b0
[  529.031491][ T8330]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  529.037382][ T8330]  ? validate_linkmsg+0x6fc/0x9c0
[  529.042407][ T8330]  br_dev_newlink+0x27/0x110
[  529.047009][ T8330]  ? br_changelink+0x1760/0x1760
[  529.051948][ T8330]  __rtnl_newlink+0x1173/0x1930
[  529.056806][ T8330]  ? rtnl_link_unregister+0x260/0x260
[  529.062191][ T8330]  rtnl_newlink+0x67/0xa0
[  529.066519][ T8330]  ? __rtnl_newlink+0x1930/0x1930
[  529.071537][ T8330]  rtnetlink_rcv_msg+0x3c7/0xe00
[  529.076472][ T8330]  ? rtnl_fill_vf+0x4a0/0x4a0
[  529.081171][ T8330]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  529.087152][ T8330]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  529.093162][ T8330]  netlink_rcv_skb+0x16b/0x440
[  529.097928][ T8330]  ? rtnl_fill_vf+0x4a0/0x4a0
[  529.102603][ T8330]  ? netlink_ack+0x1380/0x1380
[  529.107364][ T8330]  ? lock_sync+0x190/0x190
[  529.111791][ T8330]  ? netlink_deliver_tap+0x1a0/0xd00
[  529.117076][ T8330]  ? _copy_from_iter+0x2c1/0x10f0
[  529.122103][ T8330]  netlink_unicast+0x53b/0x810
[  529.126872][ T8330]  ? netlink_attachskb+0x880/0x880
[  529.131981][ T8330]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  529.137872][ T8330]  ? __phys_addr_symbol+0x30/0x70
[  529.142925][ T8330]  ? __check_object_size+0x323/0x730
[  529.148228][ T8330]  netlink_sendmsg+0x93c/0xe40
[  529.153007][ T8330]  ? netlink_unicast+0x810/0x810
[  529.157955][ T8330]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  529.163264][ T8330]  ? netlink_unicast+0x810/0x810
[  529.168219][ T8330]  __sock_sendmsg+0xd5/0x180
[  529.172813][ T8330]  ____sys_sendmsg+0x6ac/0x940
[  529.177580][ T8330]  ? copy_msghdr_from_user+0x10b/0x160
[  529.183041][ T8330]  ? kernel_sendmsg+0x50/0x50
[  529.187723][ T8330]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  529.193713][ T8330]  ___sys_sendmsg+0x135/0x1d0
[  529.198390][ T8330]  ? do_recvmmsg+0x740/0x740
[  529.202976][ T8330]  ? find_held_lock+0x2d/0x110
[  529.207744][ T8330]  ? preempt_count_sub+0x160/0x160
[  529.212860][ T8330]  ? __fget_light+0x1fc/0x260
[  529.217533][ T8330]  __sys_sendmsg+0x117/0x1e0
[  529.222127][ T8330]  ? __sys_sendmsg_sock+0x30/0x30
[  529.227163][ T8330]  ? syscall_enter_from_user_mode+0x7f/0x120
[  529.233146][ T8330]  do_syscall_64+0x40/0x110
[  529.237644][ T8330]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  529.243562][ T8330] RIP: 0033:0x7ff3fd6020b9
[  529.247970][ T8330] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  529.267577][ T8330] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  529.275987][ T8330] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  529.283953][ T8330] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  529.291934][ T8330] RBP: 0000000000080e17 R08: 0000000000000000 R09: 0000000000000006
[  529.299914][ T8330] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  529.307882][ T8330] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  529.315858][ T8330]  </TASK>
[  529.319838][ T8330] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  529.393133][ T8330] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  529.402418][ T8330] CPU: 1 PID: 8330 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  529.412839][ T8330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  529.422898][ T8330] Call Trace:
[  529.426165][ T8330]  <TASK>
[  529.429077][ T8330]  dump_stack_lvl+0x125/0x1b0
[  529.433753][ T8330]  sysfs_warn_dup+0x7f/0xa0
[  529.438242][ T8330]  sysfs_create_dir_ns+0x249/0x2b0
[  529.443365][ T8330]  ? sysfs_create_mount_point+0xb0/0xb0
[  529.448908][ T8330]  ? spin_bug+0x1d0/0x1d0
[  529.453231][ T8330]  ? net_namespace+0x12/0x40
[  529.457818][ T8330]  ? device_namespace+0x8d/0xc0
[  529.462677][ T8330]  kobject_add_internal+0x2c8/0x970
[  529.467877][ T8330]  kobject_add+0x16f/0x240
[  529.472296][ T8330]  ? kset_create_and_add+0x190/0x190
[  529.477582][ T8330]  ? do_raw_spin_unlock+0x173/0x230
[  529.482775][ T8330]  ? kobject_put+0xbe/0x440
[  529.487280][ T8330]  ? device_add+0xc35/0x1aa0
[  529.491871][ T8330]  device_add+0x289/0x1aa0
[  529.496289][ T8330]  ? device_initialize+0x510/0x510
[  529.501392][ T8330]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  529.508242][ T8330]  ? __init_waitqueue_head+0xca/0x150
[  529.513617][ T8330]  netdev_register_kobject+0x183/0x3f0
[  529.519078][ T8330]  register_netdevice+0xbe6/0x14b0
[  529.524192][ T8330]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  529.530085][ T8330]  ? validate_linkmsg+0x6fc/0x9c0
[  529.535108][ T8330]  br_dev_newlink+0x27/0x110
[  529.539694][ T8330]  ? br_changelink+0x1760/0x1760
[  529.544626][ T8330]  __rtnl_newlink+0x1173/0x1930
[  529.549486][ T8330]  ? rtnl_link_unregister+0x260/0x260
[  529.554883][ T8330]  rtnl_newlink+0x67/0xa0
[  529.559276][ T8330]  ? __rtnl_newlink+0x1930/0x1930
[  529.564406][ T8330]  rtnetlink_rcv_msg+0x3c7/0xe00
[  529.569354][ T8330]  ? rtnl_fill_vf+0x4a0/0x4a0
[  529.574038][ T8330]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  529.580028][ T8330]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  529.586019][ T8330]  netlink_rcv_skb+0x16b/0x440
[  529.590789][ T8330]  ? rtnl_fill_vf+0x4a0/0x4a0
[  529.595461][ T8330]  ? netlink_ack+0x1380/0x1380
[  529.600256][ T8330]  ? lock_sync+0x190/0x190
[  529.604684][ T8330]  ? netlink_deliver_tap+0x1a0/0xd00
[  529.609968][ T8330]  ? _copy_from_iter+0x2c1/0x10f0
[  529.614998][ T8330]  netlink_unicast+0x53b/0x810
[  529.619764][ T8330]  ? netlink_attachskb+0x880/0x880
[  529.624872][ T8330]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  529.630789][ T8330]  ? __phys_addr_symbol+0x30/0x70
[  529.635812][ T8330]  ? __check_object_size+0x323/0x730
[  529.641102][ T8330]  netlink_sendmsg+0x93c/0xe40
[  529.645874][ T8330]  ? netlink_unicast+0x810/0x810
[  529.650842][ T8330]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  529.656129][ T8330]  ? netlink_unicast+0x810/0x810
[  529.661067][ T8330]  __sock_sendmsg+0xd5/0x180
[  529.665657][ T8330]  ____sys_sendmsg+0x6ac/0x940
[  529.670420][ T8330]  ? copy_msghdr_from_user+0x10b/0x160
[  529.675876][ T8330]  ? kernel_sendmsg+0x50/0x50
[  529.680587][ T8330]  ___sys_sendmsg+0x135/0x1d0
[  529.685287][ T8330]  ? do_recvmmsg+0x740/0x740
[  529.689874][ T8330]  ? find_held_lock+0x2d/0x110
[  529.694644][ T8330]  ? preempt_count_sub+0x160/0x160
[  529.699763][ T8330]  ? __fget_light+0x1fc/0x260
[  529.704434][ T8330]  __sys_sendmsg+0x117/0x1e0
[  529.709024][ T8330]  ? __sys_sendmsg_sock+0x30/0x30
[  529.714082][ T8330]  ? syscall_enter_from_user_mode+0x7f/0x120
[  529.720082][ T8330]  do_syscall_64+0x40/0x110
[  529.724590][ T8330]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  529.730498][ T8330] RIP: 0033:0x7ff3fd6020b9
[  529.734908][ T8330] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  529.754559][ T8330] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  529.762998][ T8330] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  529.770961][ T8330] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  529.778920][ T8330] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  529.786882][ T8330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  529.794847][ T8330] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  529.802824][ T8330]  </TASK>
[  529.807705][ T8330] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  529.868157][ T8331] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  529.878354][ T8331] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  529.887600][ T8331] CPU: 0 PID: 8331 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  529.898021][ T8331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  529.908068][ T8331] Call Trace:
[  529.911337][ T8331]  <TASK>
[  529.914255][ T8331]  dump_stack_lvl+0x125/0x1b0
[  529.918924][ T8331]  sysfs_warn_dup+0x7f/0xa0
[  529.923418][ T8331]  sysfs_create_dir_ns+0x249/0x2b0
[  529.928521][ T8331]  ? sysfs_create_mount_point+0xb0/0xb0
[  529.934056][ T8331]  ? spin_bug+0x1d0/0x1d0
[  529.938373][ T8331]  ? net_namespace+0x12/0x40
[  529.942954][ T8331]  ? device_namespace+0x8d/0xc0
[  529.947825][ T8331]  kobject_add_internal+0x2c8/0x970
[  529.953018][ T8331]  kobject_add+0x16f/0x240
[  529.957422][ T8331]  ? kset_create_and_add+0x190/0x190
[  529.962711][ T8331]  ? do_raw_spin_unlock+0x173/0x230
[  529.967921][ T8331]  ? kobject_put+0xbe/0x440
[  529.972434][ T8331]  ? device_add+0xc35/0x1aa0
[  529.977016][ T8331]  device_add+0x289/0x1aa0
[  529.981421][ T8331]  ? device_initialize+0x510/0x510
[  529.986521][ T8331]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  529.993361][ T8331]  ? __init_waitqueue_head+0xca/0x150
[  529.998727][ T8331]  netdev_register_kobject+0x183/0x3f0
[  530.004181][ T8331]  register_netdevice+0xbe6/0x14b0
[  530.009299][ T8331]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  530.015223][ T8331]  ? validate_linkmsg+0x6fc/0x9c0
[  530.020239][ T8331]  br_dev_newlink+0x27/0x110
[  530.024885][ T8331]  ? br_changelink+0x1760/0x1760
[  530.029829][ T8331]  __rtnl_newlink+0x1173/0x1930
[  530.034681][ T8331]  ? rtnl_link_unregister+0x260/0x260
[  530.040061][ T8331]  rtnl_newlink+0x67/0xa0
[  530.044391][ T8331]  ? __rtnl_newlink+0x1930/0x1930
[  530.049409][ T8331]  rtnetlink_rcv_msg+0x3c7/0xe00
[  530.054343][ T8331]  ? rtnl_fill_vf+0x4a0/0x4a0
[  530.059014][ T8331]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  530.064992][ T8331]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  530.070969][ T8331]  netlink_rcv_skb+0x16b/0x440
[  530.075730][ T8331]  ? rtnl_fill_vf+0x4a0/0x4a0
[  530.080432][ T8331]  ? netlink_ack+0x1380/0x1380
[  530.085224][ T8331]  ? lock_sync+0x190/0x190
[  530.089641][ T8331]  ? netlink_deliver_tap+0x1a0/0xd00
[  530.094917][ T8331]  ? _copy_from_iter+0x2c1/0x10f0
[  530.099937][ T8331]  netlink_unicast+0x53b/0x810
[  530.104693][ T8331]  ? netlink_attachskb+0x880/0x880
[  530.109793][ T8331]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  530.115678][ T8331]  ? __phys_addr_symbol+0x30/0x70
[  530.120695][ T8331]  ? __check_object_size+0x323/0x730
[  530.125971][ T8331]  netlink_sendmsg+0x93c/0xe40
[  530.130735][ T8331]  ? netlink_unicast+0x810/0x810
[  530.135668][ T8331]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  530.140943][ T8331]  ? netlink_unicast+0x810/0x810
[  530.145877][ T8331]  __sock_sendmsg+0xd5/0x180
[  530.150483][ T8331]  ____sys_sendmsg+0x6ac/0x940
[  530.155280][ T8331]  ? copy_msghdr_from_user+0x10b/0x160
[  530.160729][ T8331]  ? kernel_sendmsg+0x50/0x50
[  530.165396][ T8331]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  530.171371][ T8331]  ___sys_sendmsg+0x135/0x1d0
[  530.176041][ T8331]  ? do_recvmmsg+0x740/0x740
[  530.180636][ T8331]  ? find_held_lock+0x2d/0x110
[  530.185413][ T8331]  ? preempt_count_sub+0x160/0x160
[  530.190539][ T8331]  ? __fget_light+0x1fc/0x260
[  530.195204][ T8331]  __sys_sendmsg+0x117/0x1e0
[  530.199785][ T8331]  ? __sys_sendmsg_sock+0x30/0x30
[  530.204805][ T8331]  ? xfd_validate_state+0x5d/0x180
[  530.209968][ T8331]  ? syscall_enter_from_user_mode+0x7f/0x120
[  530.215960][ T8331]  do_syscall_64+0x40/0x110
[  530.220466][ T8331]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  530.226373][ T8331] RIP: 0033:0x7ff3fd6020b9
[  530.230777][ T8331] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  530.250375][ T8331] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  530.258773][ T8331] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  530.266731][ T8331] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  530.274708][ T8331] RBP: 00000000000811e0 R08: 0000000000000000 R09: 0000000000000006
[  530.282666][ T8331] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  530.290633][ T8331] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  530.298613][ T8331]  </TASK>
[  530.302844][ T8331] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  530.353389][ T8331] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  530.362639][ T8331] CPU: 1 PID: 8331 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  530.373072][ T8331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  530.383118][ T8331] Call Trace:
[  530.386383][ T8331]  <TASK>
[  530.389318][ T8331]  dump_stack_lvl+0x125/0x1b0
[  530.394002][ T8331]  sysfs_warn_dup+0x7f/0xa0
[  530.398593][ T8331]  sysfs_create_dir_ns+0x249/0x2b0
[  530.403699][ T8331]  ? sysfs_create_mount_point+0xb0/0xb0
[  530.409320][ T8331]  ? spin_bug+0x1d0/0x1d0
[  530.413639][ T8331]  ? net_namespace+0x12/0x40
[  530.418212][ T8331]  ? device_namespace+0x8d/0xc0
[  530.423053][ T8331]  kobject_add_internal+0x2c8/0x970
[  530.428239][ T8331]  kobject_add+0x16f/0x240
[  530.432641][ T8331]  ? kset_create_and_add+0x190/0x190
[  530.437908][ T8331]  ? do_raw_spin_unlock+0x173/0x230
[  530.443105][ T8331]  ? kobject_put+0xbe/0x440
[  530.447594][ T8331]  ? device_add+0xc35/0x1aa0
[  530.452168][ T8331]  device_add+0x289/0x1aa0
[  530.456572][ T8331]  ? device_initialize+0x510/0x510
[  530.461665][ T8331]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  530.468509][ T8331]  ? __init_waitqueue_head+0xca/0x150
[  530.473870][ T8331]  netdev_register_kobject+0x183/0x3f0
[  530.479318][ T8331]  register_netdevice+0xbe6/0x14b0
[  530.484418][ T8331]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  530.490293][ T8331]  ? validate_linkmsg+0x6fc/0x9c0
[  530.495302][ T8331]  br_dev_newlink+0x27/0x110
[  530.499883][ T8331]  ? br_changelink+0x1760/0x1760
[  530.504806][ T8331]  __rtnl_newlink+0x1173/0x1930
[  530.509647][ T8331]  ? rtnl_link_unregister+0x260/0x260
[  530.515014][ T8331]  rtnl_newlink+0x67/0xa0
[  530.519328][ T8331]  ? __rtnl_newlink+0x1930/0x1930
[  530.524333][ T8331]  rtnetlink_rcv_msg+0x3c7/0xe00
[  530.529254][ T8331]  ? rtnl_fill_vf+0x4a0/0x4a0
[  530.533914][ T8331]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  530.539880][ T8331]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  530.545858][ T8331]  netlink_rcv_skb+0x16b/0x440
[  530.550612][ T8331]  ? rtnl_fill_vf+0x4a0/0x4a0
[  530.555321][ T8331]  ? netlink_ack+0x1380/0x1380
[  530.560070][ T8331]  ? lock_sync+0x190/0x190
[  530.564477][ T8331]  ? netlink_deliver_tap+0x1a0/0xd00
[  530.569756][ T8331]  ? _copy_from_iter+0x2c1/0x10f0
[  530.574769][ T8331]  netlink_unicast+0x53b/0x810
[  530.579529][ T8331]  ? netlink_attachskb+0x880/0x880
[  530.584650][ T8331]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  530.590546][ T8331]  ? __phys_addr_symbol+0x30/0x70
[  530.595563][ T8331]  ? __check_object_size+0x323/0x730
[  530.600839][ T8331]  netlink_sendmsg+0x93c/0xe40
[  530.605596][ T8331]  ? netlink_unicast+0x810/0x810
[  530.610521][ T8331]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  530.615797][ T8331]  ? netlink_unicast+0x810/0x810
[  530.620724][ T8331]  __sock_sendmsg+0xd5/0x180
[  530.625298][ T8331]  ____sys_sendmsg+0x6ac/0x940
[  530.630060][ T8331]  ? copy_msghdr_from_user+0x10b/0x160
[  530.635505][ T8331]  ? kernel_sendmsg+0x50/0x50
[  530.640172][ T8331]  ___sys_sendmsg+0x135/0x1d0
[  530.644856][ T8331]  ? do_recvmmsg+0x740/0x740
[  530.649428][ T8331]  ? find_held_lock+0x2d/0x110
[  530.654203][ T8331]  ? preempt_count_sub+0x160/0x160
[  530.659300][ T8331]  ? __fget_light+0x1fc/0x260
[  530.663968][ T8331]  __sys_sendmsg+0x117/0x1e0
[  530.668544][ T8331]  ? __sys_sendmsg_sock+0x30/0x30
[  530.673558][ T8331]  ? syscall_enter_from_user_mode+0x7f/0x120
[  530.679527][ T8331]  do_syscall_64+0x40/0x110
[  530.684018][ T8331]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  530.689899][ T8331] RIP: 0033:0x7ff3fd6020b9
[  530.694299][ T8331] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  530.713886][ T8331] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  530.722279][ T8331] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  530.730231][ T8331] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  530.738184][ T8331] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  530.746133][ T8331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  530.754086][ T8331] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  530.762043][ T8331]  </TASK>
[  530.765336][ T8331] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  530.837239][ T8332] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  530.847435][ T8332] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  530.856624][ T8332] CPU: 0 PID: 8332 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  530.867044][ T8332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  530.877086][ T8332] Call Trace:
[  530.880356][ T8332]  <TASK>
[  530.883274][ T8332]  dump_stack_lvl+0x125/0x1b0
[  530.887942][ T8332]  sysfs_warn_dup+0x7f/0xa0
[  530.892437][ T8332]  sysfs_create_dir_ns+0x249/0x2b0
[  530.897538][ T8332]  ? sysfs_create_mount_point+0xb0/0xb0
[  530.903097][ T8332]  ? spin_bug+0x1d0/0x1d0
[  530.907436][ T8332]  ? net_namespace+0x12/0x40
[  530.912036][ T8332]  ? device_namespace+0x8d/0xc0
[  530.916881][ T8332]  kobject_add_internal+0x2c8/0x970
[  530.922072][ T8332]  kobject_add+0x16f/0x240
[  530.926495][ T8332]  ? kset_create_and_add+0x190/0x190
[  530.931773][ T8332]  ? do_raw_spin_unlock+0x173/0x230
[  530.936966][ T8332]  ? kobject_put+0xbe/0x440
[  530.941639][ T8332]  ? device_add+0xc35/0x1aa0
[  530.946221][ T8332]  device_add+0x289/0x1aa0
[  530.950636][ T8332]  ? device_initialize+0x510/0x510
[  530.955751][ T8332]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  530.962618][ T8332]  ? __init_waitqueue_head+0xca/0x150
[  530.967981][ T8332]  netdev_register_kobject+0x183/0x3f0
[  530.973438][ T8332]  register_netdevice+0xbe6/0x14b0
[  530.978544][ T8332]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  530.984425][ T8332]  ? validate_linkmsg+0x6fc/0x9c0
[  530.989446][ T8332]  br_dev_newlink+0x27/0x110
[  530.994039][ T8332]  ? br_changelink+0x1760/0x1760
[  530.999002][ T8332]  __rtnl_newlink+0x1173/0x1930
[  531.003850][ T8332]  ? rtnl_link_unregister+0x260/0x260
[  531.009229][ T8332]  rtnl_newlink+0x67/0xa0
[  531.013556][ T8332]  ? __rtnl_newlink+0x1930/0x1930
[  531.018574][ T8332]  rtnetlink_rcv_msg+0x3c7/0xe00
[  531.023511][ T8332]  ? rtnl_fill_vf+0x4a0/0x4a0
[  531.028204][ T8332]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  531.034187][ T8332]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  531.040166][ T8332]  netlink_rcv_skb+0x16b/0x440
[  531.044930][ T8332]  ? rtnl_fill_vf+0x4a0/0x4a0
[  531.049611][ T8332]  ? netlink_ack+0x1380/0x1380
[  531.054371][ T8332]  ? lock_sync+0x190/0x190
[  531.058814][ T8332]  ? netlink_deliver_tap+0x1a0/0xd00
[  531.064092][ T8332]  ? _copy_from_iter+0x2c1/0x10f0
[  531.069114][ T8332]  netlink_unicast+0x53b/0x810
[  531.073872][ T8332]  ? netlink_attachskb+0x880/0x880
[  531.078980][ T8332]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  531.084892][ T8332]  ? __phys_addr_symbol+0x30/0x70
[  531.089908][ T8332]  ? __check_object_size+0x323/0x730
[  531.095182][ T8332]  netlink_sendmsg+0x93c/0xe40
[  531.099942][ T8332]  ? netlink_unicast+0x810/0x810
[  531.104875][ T8332]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  531.110152][ T8332]  ? netlink_unicast+0x810/0x810
[  531.115085][ T8332]  __sock_sendmsg+0xd5/0x180
[  531.119682][ T8332]  ____sys_sendmsg+0x6ac/0x940
[  531.124437][ T8332]  ? copy_msghdr_from_user+0x10b/0x160
[  531.129893][ T8332]  ? kernel_sendmsg+0x50/0x50
[  531.134567][ T8332]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  531.140545][ T8332]  ___sys_sendmsg+0x135/0x1d0
[  531.145219][ T8332]  ? do_recvmmsg+0x740/0x740
[  531.149806][ T8332]  ? find_held_lock+0x2d/0x110
[  531.154575][ T8332]  ? preempt_count_sub+0x160/0x160
[  531.159690][ T8332]  ? __fget_light+0x1fc/0x260
[  531.164358][ T8332]  __sys_sendmsg+0x117/0x1e0
[  531.168951][ T8332]  ? __sys_sendmsg_sock+0x30/0x30
[  531.173969][ T8332]  ? xfd_validate_state+0x5d/0x180
[  531.179083][ T8332]  ? syscall_enter_from_user_mode+0x7f/0x120
[  531.185058][ T8332]  do_syscall_64+0x40/0x110
[  531.189554][ T8332]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  531.195440][ T8332] RIP: 0033:0x7ff3fd6020b9
[  531.199845][ T8332] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  531.219451][ T8332] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  531.227874][ T8332] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  531.235835][ T8332] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  531.243796][ T8332] RBP: 00000000000815b5 R08: 0000000000000000 R09: 0000000000000006
[  531.251768][ T8332] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  531.259751][ T8332] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  531.267715][ T8332]  </TASK>
[  531.271186][ T8332] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  531.344820][ T8332] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  531.354005][ T8332] CPU: 0 PID: 8332 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  531.364419][ T8332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  531.374458][ T8332] Call Trace:
[  531.377726][ T8332]  <TASK>
[  531.380653][ T8332]  dump_stack_lvl+0x125/0x1b0
[  531.385350][ T8332]  sysfs_warn_dup+0x7f/0xa0
[  531.389847][ T8332]  sysfs_create_dir_ns+0x249/0x2b0
[  531.394949][ T8332]  ? sysfs_create_mount_point+0xb0/0xb0
[  531.400489][ T8332]  ? spin_bug+0x1d0/0x1d0
[  531.404868][ T8332]  ? net_namespace+0x12/0x40
[  531.409446][ T8332]  ? device_namespace+0x8d/0xc0
[  531.414292][ T8332]  kobject_add_internal+0x2c8/0x970
[  531.419485][ T8332]  kobject_add+0x16f/0x240
[  531.423913][ T8332]  ? kset_create_and_add+0x190/0x190
[  531.429190][ T8332]  ? do_raw_spin_unlock+0x173/0x230
[  531.434376][ T8332]  ? kobject_put+0xbe/0x440
[  531.438872][ T8332]  ? device_add+0xc35/0x1aa0
[  531.443453][ T8332]  device_add+0x289/0x1aa0
[  531.447864][ T8332]  ? device_initialize+0x510/0x510
[  531.452976][ T8332]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  531.459868][ T8332]  ? __init_waitqueue_head+0xca/0x150
[  531.465235][ T8332]  netdev_register_kobject+0x183/0x3f0
[  531.470863][ T8332]  register_netdevice+0xbe6/0x14b0
[  531.475966][ T8332]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  531.481852][ T8332]  ? validate_linkmsg+0x6fc/0x9c0
[  531.486866][ T8332]  br_dev_newlink+0x27/0x110
[  531.491446][ T8332]  ? br_changelink+0x1760/0x1760
[  531.496373][ T8332]  __rtnl_newlink+0x1173/0x1930
[  531.501236][ T8332]  ? rtnl_link_unregister+0x260/0x260
[  531.506611][ T8332]  rtnl_newlink+0x67/0xa0
[  531.510930][ T8332]  ? __rtnl_newlink+0x1930/0x1930
[  531.515945][ T8332]  rtnetlink_rcv_msg+0x3c7/0xe00
[  531.520893][ T8332]  ? rtnl_fill_vf+0x4a0/0x4a0
[  531.525560][ T8332]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  531.531551][ T8332]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  531.537555][ T8332]  netlink_rcv_skb+0x16b/0x440
[  531.542313][ T8332]  ? rtnl_fill_vf+0x4a0/0x4a0
[  531.546982][ T8332]  ? netlink_ack+0x1380/0x1380
[  531.551737][ T8332]  ? lock_sync+0x190/0x190
[  531.556149][ T8332]  ? netlink_deliver_tap+0x1a0/0xd00
[  531.561429][ T8332]  ? _copy_from_iter+0x2c1/0x10f0
[  531.566447][ T8332]  netlink_unicast+0x53b/0x810
[  531.571222][ T8332]  ? netlink_attachskb+0x880/0x880
[  531.576324][ T8332]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  531.582205][ T8332]  ? __phys_addr_symbol+0x30/0x70
[  531.587220][ T8332]  ? __check_object_size+0x323/0x730
[  531.592531][ T8332]  netlink_sendmsg+0x93c/0xe40
[  531.597306][ T8332]  ? netlink_unicast+0x810/0x810
[  531.602256][ T8332]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  531.607540][ T8332]  ? netlink_unicast+0x810/0x810
[  531.612474][ T8332]  __sock_sendmsg+0xd5/0x180
[  531.617056][ T8332]  ____sys_sendmsg+0x6ac/0x940
[  531.621811][ T8332]  ? copy_msghdr_from_user+0x10b/0x160
[  531.627268][ T8332]  ? kernel_sendmsg+0x50/0x50
[  531.631949][ T8332]  ? hlock_class+0x4e/0x130
[  531.636463][ T8332]  ? __lock_acquire+0x14e0/0x3b10
[  531.641482][ T8332]  ___sys_sendmsg+0x135/0x1d0
[  531.646170][ T8332]  ? do_recvmmsg+0x740/0x740
[  531.650773][ T8332]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  531.656802][ T8332]  ? find_held_lock+0x2d/0x110
[  531.661586][ T8332]  ? __fget_light+0x1fc/0x260
[  531.666254][ T8332]  __sys_sendmsg+0x117/0x1e0
[  531.670860][ T8332]  ? __sys_sendmsg_sock+0x30/0x30
[  531.675879][ T8332]  ? __do_sys_rseq+0x750/0x750
[  531.680653][ T8332]  ? syscall_enter_from_user_mode+0x7f/0x120
[  531.686636][ T8332]  do_syscall_64+0x40/0x110
[  531.691129][ T8332]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  531.697015][ T8332] RIP: 0033:0x7ff3fd6020b9
[  531.701414][ T8332] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  531.721009][ T8332] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  531.729408][ T8332] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  531.737368][ T8332] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  531.745328][ T8332] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  531.753301][ T8332] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  531.761275][ T8332] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  531.769267][ T8332]  </TASK>
[  531.773388][ T8332] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  531.837900][ T8333] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  531.848174][ T8333] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  531.857335][ T8333] CPU: 1 PID: 8333 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  531.867756][ T8333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  531.877839][ T8333] Call Trace:
[  531.881121][ T8333]  <TASK>
[  531.884082][ T8333]  dump_stack_lvl+0x125/0x1b0
[  531.888760][ T8333]  sysfs_warn_dup+0x7f/0xa0
[  531.893265][ T8333]  sysfs_create_dir_ns+0x249/0x2b0
[  531.898379][ T8333]  ? sysfs_create_mount_point+0xb0/0xb0
[  531.903922][ T8333]  ? spin_bug+0x1d0/0x1d0
[  531.908250][ T8333]  ? net_namespace+0x12/0x40
[  531.912840][ T8333]  ? device_namespace+0x8d/0xc0
[  531.917693][ T8333]  kobject_add_internal+0x2c8/0x970
[  531.922894][ T8333]  kobject_add+0x16f/0x240
[  531.927311][ T8333]  ? kset_create_and_add+0x190/0x190
[  531.932601][ T8333]  ? do_raw_spin_unlock+0x173/0x230
[  531.937796][ T8333]  ? kobject_put+0xbe/0x440
[  531.942298][ T8333]  ? device_add+0xc35/0x1aa0
[  531.946885][ T8333]  device_add+0x289/0x1aa0
[  531.951300][ T8333]  ? device_initialize+0x510/0x510
[  531.956401][ T8333]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  531.963251][ T8333]  ? __init_waitqueue_head+0xca/0x150
[  531.968627][ T8333]  netdev_register_kobject+0x183/0x3f0
[  531.974092][ T8333]  register_netdevice+0xbe6/0x14b0
[  531.979208][ T8333]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  531.985100][ T8333]  ? validate_linkmsg+0x6fc/0x9c0
[  531.990121][ T8333]  br_dev_newlink+0x27/0x110
[  531.994710][ T8333]  ? br_changelink+0x1760/0x1760
[  531.999640][ T8333]  __rtnl_newlink+0x1173/0x1930
[  532.004523][ T8333]  ? rtnl_link_unregister+0x260/0x260
[  532.009942][ T8333]  rtnl_newlink+0x67/0xa0
[  532.014271][ T8333]  ? __rtnl_newlink+0x1930/0x1930
[  532.019323][ T8333]  rtnetlink_rcv_msg+0x3c7/0xe00
[  532.024264][ T8333]  ? rtnl_fill_vf+0x4a0/0x4a0
[  532.028936][ T8333]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  532.034918][ T8333]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  532.040905][ T8333]  netlink_rcv_skb+0x16b/0x440
[  532.045675][ T8333]  ? rtnl_fill_vf+0x4a0/0x4a0
[  532.050373][ T8333]  ? netlink_ack+0x1380/0x1380
[  532.055136][ T8333]  ? lock_sync+0x190/0x190
[  532.059566][ T8333]  ? netlink_deliver_tap+0x1a0/0xd00
[  532.064855][ T8333]  ? _copy_from_iter+0x2c1/0x10f0
[  532.069883][ T8333]  netlink_unicast+0x53b/0x810
[  532.074652][ T8333]  ? netlink_attachskb+0x880/0x880
[  532.079779][ T8333]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  532.085671][ T8333]  ? __phys_addr_symbol+0x30/0x70
[  532.090693][ T8333]  ? __check_object_size+0x323/0x730
[  532.095976][ T8333]  netlink_sendmsg+0x93c/0xe40
[  532.100750][ T8333]  ? netlink_unicast+0x810/0x810
[  532.105690][ T8333]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  532.110992][ T8333]  ? netlink_unicast+0x810/0x810
[  532.115932][ T8333]  __sock_sendmsg+0xd5/0x180
[  532.120540][ T8333]  ____sys_sendmsg+0x6ac/0x940
[  532.125309][ T8333]  ? copy_msghdr_from_user+0x10b/0x160
[  532.130796][ T8333]  ? kernel_sendmsg+0x50/0x50
[  532.135474][ T8333]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  532.141458][ T8333]  ___sys_sendmsg+0x135/0x1d0
[  532.146136][ T8333]  ? do_recvmmsg+0x740/0x740
[  532.150725][ T8333]  ? find_held_lock+0x2d/0x110
[  532.155493][ T8333]  ? preempt_count_sub+0x160/0x160
[  532.160606][ T8333]  ? __fget_light+0x1fc/0x260
[  532.165284][ T8333]  __sys_sendmsg+0x117/0x1e0
[  532.169876][ T8333]  ? __sys_sendmsg_sock+0x30/0x30
[  532.174901][ T8333]  ? xfd_validate_state+0x5d/0x180
[  532.180025][ T8333]  ? syscall_enter_from_user_mode+0x7f/0x120
[  532.186099][ T8333]  do_syscall_64+0x40/0x110
[  532.190601][ T8333]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  532.196505][ T8333] RIP: 0033:0x7ff3fd6020b9
[  532.200915][ T8333] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  532.220778][ T8333] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  532.229183][ T8333] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  532.237145][ T8333] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  532.245108][ T8333] RBP: 000000000008197e R08: 0000000000000000 R09: 0000000000000006
[  532.253070][ T8333] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  532.261058][ T8333] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  532.269030][ T8333]  </TASK>
[  532.273875][ T8333] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  532.327272][ T8333] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  532.336463][ T8333] CPU: 1 PID: 8333 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  532.346879][ T8333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  532.356922][ T8333] Call Trace:
[  532.360191][ T8333]  <TASK>
[  532.363110][ T8333]  dump_stack_lvl+0x125/0x1b0
[  532.367781][ T8333]  sysfs_warn_dup+0x7f/0xa0
[  532.372275][ T8333]  sysfs_create_dir_ns+0x249/0x2b0
[  532.377398][ T8333]  ? sysfs_create_mount_point+0xb0/0xb0
[  532.382978][ T8333]  ? spin_bug+0x1d0/0x1d0
[  532.387326][ T8333]  ? net_namespace+0x12/0x40
[  532.391917][ T8333]  ? device_namespace+0x8d/0xc0
[  532.396779][ T8333]  kobject_add_internal+0x2c8/0x970
[  532.402077][ T8333]  kobject_add+0x16f/0x240
[  532.406510][ T8333]  ? kset_create_and_add+0x190/0x190
[  532.411800][ T8333]  ? do_raw_spin_unlock+0x173/0x230
[  532.416995][ T8333]  ? kobject_put+0xbe/0x440
[  532.421498][ T8333]  ? device_add+0xc35/0x1aa0
[  532.426087][ T8333]  device_add+0x289/0x1aa0
[  532.430520][ T8333]  ? device_initialize+0x510/0x510
[  532.435630][ T8333]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  532.442489][ T8333]  ? __init_waitqueue_head+0xca/0x150
[  532.447892][ T8333]  netdev_register_kobject+0x183/0x3f0
[  532.453361][ T8333]  register_netdevice+0xbe6/0x14b0
[  532.458479][ T8333]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  532.464378][ T8333]  ? validate_linkmsg+0x6fc/0x9c0
[  532.469401][ T8333]  br_dev_newlink+0x27/0x110
[  532.473992][ T8333]  ? br_changelink+0x1760/0x1760
[  532.478942][ T8333]  __rtnl_newlink+0x1173/0x1930
[  532.483805][ T8333]  ? rtnl_link_unregister+0x260/0x260
[  532.489198][ T8333]  rtnl_newlink+0x67/0xa0
[  532.493529][ T8333]  ? __rtnl_newlink+0x1930/0x1930
[  532.498551][ T8333]  rtnetlink_rcv_msg+0x3c7/0xe00
[  532.503489][ T8333]  ? rtnl_fill_vf+0x4a0/0x4a0
[  532.508165][ T8333]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  532.514151][ T8333]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  532.520139][ T8333]  netlink_rcv_skb+0x16b/0x440
[  532.524911][ T8333]  ? rtnl_fill_vf+0x4a0/0x4a0
[  532.529589][ T8333]  ? netlink_ack+0x1380/0x1380
[  532.534356][ T8333]  ? lock_sync+0x190/0x190
[  532.538787][ T8333]  ? netlink_deliver_tap+0x1a0/0xd00
[  532.544071][ T8333]  ? _copy_from_iter+0x2c1/0x10f0
[  532.549100][ T8333]  netlink_unicast+0x53b/0x810
[  532.553867][ T8333]  ? netlink_attachskb+0x880/0x880
[  532.558975][ T8333]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  532.564867][ T8333]  ? __phys_addr_symbol+0x30/0x70
[  532.569889][ T8333]  ? __check_object_size+0x323/0x730
[  532.575173][ T8333]  netlink_sendmsg+0x93c/0xe40
[  532.579941][ T8333]  ? netlink_unicast+0x810/0x810
[  532.584882][ T8333]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  532.590164][ T8333]  ? netlink_unicast+0x810/0x810
[  532.595103][ T8333]  __sock_sendmsg+0xd5/0x180
[  532.599692][ T8333]  ____sys_sendmsg+0x6ac/0x940
[  532.604449][ T8333]  ? copy_msghdr_from_user+0x10b/0x160
[  532.609906][ T8333]  ? kernel_sendmsg+0x50/0x50
[  532.614583][ T8333]  ? hlock_class+0x4e/0x130
[  532.619081][ T8333]  ? __lock_acquire+0x14e0/0x3b10
[  532.624105][ T8333]  ___sys_sendmsg+0x135/0x1d0
[  532.628789][ T8333]  ? do_recvmmsg+0x740/0x740
[  532.633379][ T8333]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  532.639356][ T8333]  ? find_held_lock+0x2d/0x110
[  532.644133][ T8333]  ? __fget_light+0x1fc/0x260
[  532.648805][ T8333]  __sys_sendmsg+0x117/0x1e0
[  532.653397][ T8333]  ? __sys_sendmsg_sock+0x30/0x30
[  532.658447][ T8333]  ? __do_sys_rseq+0x750/0x750
[  532.663247][ T8333]  ? syscall_enter_from_user_mode+0x7f/0x120
[  532.669237][ T8333]  do_syscall_64+0x40/0x110
[  532.673743][ T8333]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  532.679638][ T8333] RIP: 0033:0x7ff3fd6020b9
[  532.684046][ T8333] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  532.703653][ T8333] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  532.712063][ T8333] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  532.720026][ T8333] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  532.728078][ T8333] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  532.736045][ T8333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  532.744012][ T8333] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  532.751989][ T8333]  </TASK>
[  532.756225][ T8333] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  532.817886][ T8334] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  532.828012][ T8334] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  532.837183][ T8334] CPU: 0 PID: 8334 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  532.847602][ T8334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  532.857659][ T8334] Call Trace:
[  532.860946][ T8334]  <TASK>
[  532.863889][ T8334]  dump_stack_lvl+0x125/0x1b0
[  532.868583][ T8334]  sysfs_warn_dup+0x7f/0xa0
[  532.873089][ T8334]  sysfs_create_dir_ns+0x249/0x2b0
[  532.878198][ T8334]  ? sysfs_create_mount_point+0xb0/0xb0
[  532.883733][ T8334]  ? spin_bug+0x1d0/0x1d0
[  532.888050][ T8334]  ? net_namespace+0x12/0x40
[  532.892665][ T8334]  ? device_namespace+0x8d/0xc0
[  532.897545][ T8334]  kobject_add_internal+0x2c8/0x970
[  532.902749][ T8334]  kobject_add+0x16f/0x240
[  532.907191][ T8334]  ? kset_create_and_add+0x190/0x190
[  532.912504][ T8334]  ? do_raw_spin_unlock+0x173/0x230
[  532.917692][ T8334]  ? kobject_put+0xbe/0x440
[  532.922203][ T8334]  ? device_add+0xc35/0x1aa0
[  532.926786][ T8334]  device_add+0x289/0x1aa0
[  532.931192][ T8334]  ? device_initialize+0x510/0x510
[  532.936289][ T8334]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  532.943128][ T8334]  ? __init_waitqueue_head+0xca/0x150
[  532.948499][ T8334]  netdev_register_kobject+0x183/0x3f0
[  532.953955][ T8334]  register_netdevice+0xbe6/0x14b0
[  532.959058][ T8334]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  532.964948][ T8334]  ? validate_linkmsg+0x6fc/0x9c0
[  532.969964][ T8334]  br_dev_newlink+0x27/0x110
[  532.974546][ T8334]  ? br_changelink+0x1760/0x1760
[  532.979471][ T8334]  __rtnl_newlink+0x1173/0x1930
[  532.984324][ T8334]  ? rtnl_link_unregister+0x260/0x260
[  532.989700][ T8334]  rtnl_newlink+0x67/0xa0
[  532.994020][ T8334]  ? __rtnl_newlink+0x1930/0x1930
[  532.999039][ T8334]  rtnetlink_rcv_msg+0x3c7/0xe00
[  533.003987][ T8334]  ? rtnl_fill_vf+0x4a0/0x4a0
[  533.008654][ T8334]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  533.014625][ T8334]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  533.020603][ T8334]  netlink_rcv_skb+0x16b/0x440
[  533.025397][ T8334]  ? rtnl_fill_vf+0x4a0/0x4a0
[  533.030078][ T8334]  ? netlink_ack+0x1380/0x1380
[  533.034846][ T8334]  ? lock_sync+0x190/0x190
[  533.039271][ T8334]  ? netlink_deliver_tap+0x1a0/0xd00
[  533.044562][ T8334]  ? _copy_from_iter+0x2c1/0x10f0
[  533.049618][ T8334]  netlink_unicast+0x53b/0x810
[  533.054391][ T8334]  ? netlink_attachskb+0x880/0x880
[  533.059500][ T8334]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  533.065414][ T8334]  ? __phys_addr_symbol+0x30/0x70
[  533.070434][ T8334]  ? __check_object_size+0x323/0x730
[  533.075714][ T8334]  netlink_sendmsg+0x93c/0xe40
[  533.080483][ T8334]  ? netlink_unicast+0x810/0x810
[  533.085420][ T8334]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  533.090707][ T8334]  ? netlink_unicast+0x810/0x810
[  533.095671][ T8334]  __sock_sendmsg+0xd5/0x180
[  533.100253][ T8334]  ____sys_sendmsg+0x6ac/0x940
[  533.105007][ T8334]  ? copy_msghdr_from_user+0x10b/0x160
[  533.110458][ T8334]  ? kernel_sendmsg+0x50/0x50
[  533.115143][ T8334]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  533.121123][ T8334]  ___sys_sendmsg+0x135/0x1d0
[  533.125829][ T8334]  ? do_recvmmsg+0x740/0x740
[  533.130412][ T8334]  ? find_held_lock+0x2d/0x110
[  533.135175][ T8334]  ? preempt_count_sub+0x160/0x160
[  533.140279][ T8334]  ? __fget_light+0x1fc/0x260
[  533.144945][ T8334]  __sys_sendmsg+0x117/0x1e0
[  533.149532][ T8334]  ? __sys_sendmsg_sock+0x30/0x30
[  533.154545][ T8334]  ? xfd_validate_state+0x5d/0x180
[  533.159678][ T8334]  ? syscall_enter_from_user_mode+0x7f/0x120
[  533.165651][ T8334]  do_syscall_64+0x40/0x110
[  533.170142][ T8334]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  533.176047][ T8334] RIP: 0033:0x7ff3fd6020b9
[  533.180448][ T8334] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  533.200055][ T8334] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  533.208459][ T8334] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  533.216435][ T8334] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  533.224408][ T8334] RBP: 0000000000081d67 R08: 0000000000000000 R09: 0000000000000006
[  533.232386][ T8334] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  533.240346][ T8334] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  533.248311][ T8334]  </TASK>
[  533.251597][ T8334] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  533.315058][ T8334] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  533.324297][ T8334] CPU: 0 PID: 8334 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  533.334722][ T8334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  533.344765][ T8334] Call Trace:
[  533.348038][ T8334]  <TASK>
[  533.351054][ T8334]  dump_stack_lvl+0x125/0x1b0
[  533.355723][ T8334]  sysfs_warn_dup+0x7f/0xa0
[  533.360217][ T8334]  sysfs_create_dir_ns+0x249/0x2b0
[  533.365352][ T8334]  ? sysfs_create_mount_point+0xb0/0xb0
[  533.370925][ T8334]  ? spin_bug+0x1d0/0x1d0
[  533.375249][ T8334]  ? net_namespace+0x12/0x40
[  533.379832][ T8334]  ? device_namespace+0x8d/0xc0
[  533.384674][ T8334]  kobject_add_internal+0x2c8/0x970
[  533.389870][ T8334]  kobject_add+0x16f/0x240
[  533.394277][ T8334]  ? kset_create_and_add+0x190/0x190
[  533.399554][ T8334]  ? do_raw_spin_unlock+0x173/0x230
[  533.404741][ T8334]  ? kobject_put+0xbe/0x440
[  533.409237][ T8334]  ? device_add+0xc35/0x1aa0
[  533.413822][ T8334]  device_add+0x289/0x1aa0
[  533.418230][ T8334]  ? device_initialize+0x510/0x510
[  533.423328][ T8334]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  533.430167][ T8334]  ? __init_waitqueue_head+0xca/0x150
[  533.435533][ T8334]  netdev_register_kobject+0x183/0x3f0
[  533.441010][ T8334]  register_netdevice+0xbe6/0x14b0
[  533.446120][ T8334]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  533.452028][ T8334]  ? validate_linkmsg+0x6fc/0x9c0
[  533.457050][ T8334]  br_dev_newlink+0x27/0x110
[  533.461646][ T8334]  ? br_changelink+0x1760/0x1760
[  533.466572][ T8334]  __rtnl_newlink+0x1173/0x1930
[  533.471420][ T8334]  ? rtnl_link_unregister+0x260/0x260
[  533.476793][ T8334]  rtnl_newlink+0x67/0xa0
[  533.481115][ T8334]  ? __rtnl_newlink+0x1930/0x1930
[  533.486128][ T8334]  rtnetlink_rcv_msg+0x3c7/0xe00
[  533.491062][ T8334]  ? rtnl_fill_vf+0x4a0/0x4a0
[  533.495729][ T8334]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  533.501702][ T8334]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  533.507679][ T8334]  netlink_rcv_skb+0x16b/0x440
[  533.512464][ T8334]  ? rtnl_fill_vf+0x4a0/0x4a0
[  533.517132][ T8334]  ? netlink_ack+0x1380/0x1380
[  533.521889][ T8334]  ? lock_sync+0x190/0x190
[  533.526304][ T8334]  ? netlink_deliver_tap+0x1a0/0xd00
[  533.531578][ T8334]  ? _copy_from_iter+0x2c1/0x10f0
[  533.536598][ T8334]  netlink_unicast+0x53b/0x810
[  533.541356][ T8334]  ? netlink_attachskb+0x880/0x880
[  533.546466][ T8334]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  533.552394][ T8334]  ? __phys_addr_symbol+0x30/0x70
[  533.557409][ T8334]  ? __check_object_size+0x323/0x730
[  533.562686][ T8334]  netlink_sendmsg+0x93c/0xe40
[  533.567446][ T8334]  ? netlink_unicast+0x810/0x810
[  533.572401][ T8334]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  533.577769][ T8334]  ? netlink_unicast+0x810/0x810
[  533.582702][ T8334]  __sock_sendmsg+0xd5/0x180
[  533.587286][ T8334]  ____sys_sendmsg+0x6ac/0x940
[  533.592046][ T8334]  ? copy_msghdr_from_user+0x10b/0x160
[  533.597495][ T8334]  ? kernel_sendmsg+0x50/0x50
[  533.602160][ T8334]  ? hlock_class+0x4e/0x130
[  533.606653][ T8334]  ? __lock_acquire+0x14e0/0x3b10
[  533.611678][ T8334]  ___sys_sendmsg+0x135/0x1d0
[  533.616348][ T8334]  ? do_recvmmsg+0x740/0x740
[  533.620929][ T8334]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  533.626902][ T8334]  ? find_held_lock+0x2d/0x110
[  533.631676][ T8334]  ? __fget_light+0x1fc/0x260
[  533.636347][ T8334]  __sys_sendmsg+0x117/0x1e0
[  533.640956][ T8334]  ? __sys_sendmsg_sock+0x30/0x30
[  533.645976][ T8334]  ? xfd_validate_state+0x5d/0x180
[  533.651124][ T8334]  ? syscall_enter_from_user_mode+0x7f/0x120
[  533.657099][ T8334]  do_syscall_64+0x40/0x110
[  533.661625][ T8334]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  533.667520][ T8334] RIP: 0033:0x7ff3fd6020b9
[  533.671926][ T8334] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  533.691530][ T8334] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  533.699962][ T8334] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  533.707917][ T8334] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  533.715877][ T8334] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  533.723851][ T8334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  533.731805][ T8334] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  533.739789][ T8334]  </TASK>
[  533.743304][ T8334] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  533.818109][ T8335] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  533.828304][ T8335] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  533.837480][ T8335] CPU: 0 PID: 8335 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  533.847908][ T8335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  533.857996][ T8335] Call Trace:
[  533.861297][ T8335]  <TASK>
[  533.864241][ T8335]  dump_stack_lvl+0x125/0x1b0
[  533.868924][ T8335]  sysfs_warn_dup+0x7f/0xa0
[  533.873419][ T8335]  sysfs_create_dir_ns+0x249/0x2b0
[  533.878526][ T8335]  ? sysfs_create_mount_point+0xb0/0xb0
[  533.884094][ T8335]  ? spin_bug+0x1d0/0x1d0
[  533.888414][ T8335]  ? net_namespace+0x12/0x40
[  533.892996][ T8335]  ? device_namespace+0x8d/0xc0
[  533.897844][ T8335]  kobject_add_internal+0x2c8/0x970
[  533.903038][ T8335]  kobject_add+0x16f/0x240
[  533.907478][ T8335]  ? kset_create_and_add+0x190/0x190
[  533.912757][ T8335]  ? do_raw_spin_unlock+0x173/0x230
[  533.917965][ T8335]  ? kobject_put+0xbe/0x440
[  533.922457][ T8335]  ? device_add+0xc35/0x1aa0
[  533.927039][ T8335]  device_add+0x289/0x1aa0
[  533.931449][ T8335]  ? device_initialize+0x510/0x510
[  533.936570][ T8335]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  533.943414][ T8335]  ? __init_waitqueue_head+0xca/0x150
[  533.948783][ T8335]  netdev_register_kobject+0x183/0x3f0
[  533.954240][ T8335]  register_netdevice+0xbe6/0x14b0
[  533.959346][ T8335]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  533.965232][ T8335]  ? validate_linkmsg+0x6fc/0x9c0
[  533.970249][ T8335]  br_dev_newlink+0x27/0x110
[  533.974860][ T8335]  ? br_changelink+0x1760/0x1760
[  533.979788][ T8335]  __rtnl_newlink+0x1173/0x1930
[  533.984636][ T8335]  ? rtnl_link_unregister+0x260/0x260
[  533.990011][ T8335]  rtnl_newlink+0x67/0xa0
[  533.994330][ T8335]  ? __rtnl_newlink+0x1930/0x1930
[  533.999344][ T8335]  rtnetlink_rcv_msg+0x3c7/0xe00
[  534.004279][ T8335]  ? rtnl_fill_vf+0x4a0/0x4a0
[  534.008945][ T8335]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  534.014924][ T8335]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  534.020899][ T8335]  netlink_rcv_skb+0x16b/0x440
[  534.025659][ T8335]  ? rtnl_fill_vf+0x4a0/0x4a0
[  534.030327][ T8335]  ? netlink_ack+0x1380/0x1380
[  534.035089][ T8335]  ? lock_sync+0x190/0x190
[  534.039587][ T8335]  ? netlink_deliver_tap+0x1a0/0xd00
[  534.044888][ T8335]  ? _copy_from_iter+0x2c1/0x10f0
[  534.049907][ T8335]  netlink_unicast+0x53b/0x810
[  534.054665][ T8335]  ? netlink_attachskb+0x880/0x880
[  534.059787][ T8335]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  534.065670][ T8335]  ? __phys_addr_symbol+0x30/0x70
[  534.070686][ T8335]  ? __check_object_size+0x323/0x730
[  534.075987][ T8335]  netlink_sendmsg+0x93c/0xe40
[  534.080747][ T8335]  ? netlink_unicast+0x810/0x810
[  534.085679][ T8335]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  534.090961][ T8335]  ? netlink_unicast+0x810/0x810
[  534.095913][ T8335]  __sock_sendmsg+0xd5/0x180
[  534.100510][ T8335]  ____sys_sendmsg+0x6ac/0x940
[  534.105265][ T8335]  ? copy_msghdr_from_user+0x10b/0x160
[  534.110728][ T8335]  ? kernel_sendmsg+0x50/0x50
[  534.115397][ T8335]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  534.121370][ T8335]  ___sys_sendmsg+0x135/0x1d0
[  534.126040][ T8335]  ? do_recvmmsg+0x740/0x740
[  534.130629][ T8335]  ? find_held_lock+0x2d/0x110
[  534.135420][ T8335]  ? preempt_count_sub+0x160/0x160
[  534.140525][ T8335]  ? __fget_light+0x1fc/0x260
[  534.145207][ T8335]  __sys_sendmsg+0x117/0x1e0
[  534.149809][ T8335]  ? __sys_sendmsg_sock+0x30/0x30
[  534.154910][ T8335]  ? xfd_validate_state+0x5d/0x180
[  534.160024][ T8335]  ? syscall_enter_from_user_mode+0x7f/0x120
[  534.165995][ T8335]  do_syscall_64+0x40/0x110
[  534.170490][ T8335]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  534.176375][ T8335] RIP: 0033:0x7ff3fd6020b9
[  534.180777][ T8335] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  534.200372][ T8335] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  534.208770][ T8335] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  534.216751][ T8335] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  534.224707][ T8335] RBP: 000000000008213b R08: 0000000000000000 R09: 0000000000000006
[  534.232668][ T8335] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  534.240633][ T8335] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  534.248616][ T8335]  </TASK>
[  534.252801][ T8335] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  534.303657][ T8335] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  534.313054][ T8335] CPU: 1 PID: 8335 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  534.323475][ T8335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  534.333532][ T8335] Call Trace:
[  534.337346][ T8335]  <TASK>
[  534.340264][ T8335]  dump_stack_lvl+0x125/0x1b0
[  534.344937][ T8335]  sysfs_warn_dup+0x7f/0xa0
[  534.349425][ T8335]  sysfs_create_dir_ns+0x249/0x2b0
[  534.354527][ T8335]  ? sysfs_create_mount_point+0xb0/0xb0
[  534.360055][ T8335]  ? spin_bug+0x1d0/0x1d0
[  534.364455][ T8335]  ? net_namespace+0x12/0x40
[  534.369116][ T8335]  ? device_namespace+0x8d/0xc0
[  534.373958][ T8335]  kobject_add_internal+0x2c8/0x970
[  534.379256][ T8335]  kobject_add+0x16f/0x240
[  534.383682][ T8335]  ? kset_create_and_add+0x190/0x190
[  534.388955][ T8335]  ? do_raw_spin_unlock+0x173/0x230
[  534.394141][ T8335]  ? kobject_put+0xbe/0x440
[  534.398630][ T8335]  ? device_add+0xc35/0x1aa0
[  534.403207][ T8335]  device_add+0x289/0x1aa0
[  534.407607][ T8335]  ? device_initialize+0x510/0x510
[  534.412720][ T8335]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  534.419567][ T8335]  ? __init_waitqueue_head+0xca/0x150
[  534.424968][ T8335]  netdev_register_kobject+0x183/0x3f0
[  534.430450][ T8335]  register_netdevice+0xbe6/0x14b0
[  534.435559][ T8335]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  534.441473][ T8335]  ? validate_linkmsg+0x6fc/0x9c0
[  534.446506][ T8335]  br_dev_newlink+0x27/0x110
[  534.451084][ T8335]  ? br_changelink+0x1760/0x1760
[  534.456027][ T8335]  __rtnl_newlink+0x1173/0x1930
[  534.460869][ T8335]  ? rtnl_link_unregister+0x260/0x260
[  534.466242][ T8335]  rtnl_newlink+0x67/0xa0
[  534.470581][ T8335]  ? __rtnl_newlink+0x1930/0x1930
[  534.475602][ T8335]  rtnetlink_rcv_msg+0x3c7/0xe00
[  534.480549][ T8335]  ? rtnl_fill_vf+0x4a0/0x4a0
[  534.485211][ T8335]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  534.491182][ T8335]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  534.497155][ T8335]  netlink_rcv_skb+0x16b/0x440
[  534.501912][ T8335]  ? rtnl_fill_vf+0x4a0/0x4a0
[  534.506577][ T8335]  ? netlink_ack+0x1380/0x1380
[  534.511329][ T8335]  ? lock_sync+0x190/0x190
[  534.515742][ T8335]  ? netlink_deliver_tap+0x1a0/0xd00
[  534.521014][ T8335]  ? _copy_from_iter+0x2c1/0x10f0
[  534.526029][ T8335]  netlink_unicast+0x53b/0x810
[  534.530785][ T8335]  ? netlink_attachskb+0x880/0x880
[  534.535886][ T8335]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  534.541766][ T8335]  ? __phys_addr_symbol+0x30/0x70
[  534.546775][ T8335]  ? __check_object_size+0x323/0x730
[  534.552047][ T8335]  netlink_sendmsg+0x93c/0xe40
[  534.556803][ T8335]  ? netlink_unicast+0x810/0x810
[  534.561739][ T8335]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  534.567013][ T8335]  ? netlink_unicast+0x810/0x810
[  534.571946][ T8335]  __sock_sendmsg+0xd5/0x180
[  534.576554][ T8335]  ____sys_sendmsg+0x6ac/0x940
[  534.581305][ T8335]  ? copy_msghdr_from_user+0x10b/0x160
[  534.586753][ T8335]  ? kernel_sendmsg+0x50/0x50
[  534.591420][ T8335]  ___sys_sendmsg+0x135/0x1d0
[  534.596113][ T8335]  ? do_recvmmsg+0x740/0x740
[  534.600778][ T8335]  ? find_held_lock+0x2d/0x110
[  534.605535][ T8335]  ? preempt_count_sub+0x160/0x160
[  534.610657][ T8335]  ? __fget_light+0x1fc/0x260
[  534.615947][ T8335]  __sys_sendmsg+0x117/0x1e0
[  534.620529][ T8335]  ? __sys_sendmsg_sock+0x30/0x30
[  534.625551][ T8335]  ? syscall_enter_from_user_mode+0x7f/0x120
[  534.631528][ T8335]  do_syscall_64+0x40/0x110
[  534.636021][ T8335]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  534.641907][ T8335] RIP: 0033:0x7ff3fd6020b9
[  534.646309][ T8335] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  534.665918][ T8335] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  534.674326][ T8335] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  534.682288][ T8335] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  534.690263][ T8335] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  534.698233][ T8335] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  534.706197][ T8335] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  534.714164][ T8335]  </TASK>
[  534.718100][ T8335] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  534.799365][ T8336] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  534.809563][ T8336] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  534.818776][ T8336] CPU: 0 PID: 8336 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  534.829214][ T8336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  534.839262][ T8336] Call Trace:
[  534.842549][ T8336]  <TASK>
[  534.845478][ T8336]  dump_stack_lvl+0x125/0x1b0
[  534.850156][ T8336]  sysfs_warn_dup+0x7f/0xa0
[  534.854668][ T8336]  sysfs_create_dir_ns+0x249/0x2b0
[  534.859782][ T8336]  ? sysfs_create_mount_point+0xb0/0xb0
[  534.865318][ T8336]  ? spin_bug+0x1d0/0x1d0
[  534.869639][ T8336]  ? net_namespace+0x12/0x40
[  534.874218][ T8336]  ? device_namespace+0x8d/0xc0
[  534.879060][ T8336]  kobject_add_internal+0x2c8/0x970
[  534.884253][ T8336]  kobject_add+0x16f/0x240
[  534.888665][ T8336]  ? kset_create_and_add+0x190/0x190
[  534.894028][ T8336]  ? do_raw_spin_unlock+0x173/0x230
[  534.899495][ T8336]  ? kobject_put+0xbe/0x440
[  534.904094][ T8336]  ? device_add+0xc35/0x1aa0
[  534.908676][ T8336]  device_add+0x289/0x1aa0
[  534.913081][ T8336]  ? device_initialize+0x510/0x510
[  534.918180][ T8336]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  534.925045][ T8336]  ? __init_waitqueue_head+0xca/0x150
[  534.930438][ T8336]  netdev_register_kobject+0x183/0x3f0
[  534.935894][ T8336]  register_netdevice+0xbe6/0x14b0
[  534.941021][ T8336]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  534.946921][ T8336]  ? validate_linkmsg+0x6fc/0x9c0
[  534.951941][ T8336]  br_dev_newlink+0x27/0x110
[  534.956551][ T8336]  ? br_changelink+0x1760/0x1760
[  534.961481][ T8336]  __rtnl_newlink+0x1173/0x1930
[  534.966334][ T8336]  ? rtnl_link_unregister+0x260/0x260
[  534.971709][ T8336]  rtnl_newlink+0x67/0xa0
[  534.976031][ T8336]  ? __rtnl_newlink+0x1930/0x1930
[  534.981047][ T8336]  rtnetlink_rcv_msg+0x3c7/0xe00
[  534.985985][ T8336]  ? rtnl_fill_vf+0x4a0/0x4a0
[  534.990676][ T8336]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  534.996682][ T8336]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  535.002664][ T8336]  netlink_rcv_skb+0x16b/0x440
[  535.007433][ T8336]  ? rtnl_fill_vf+0x4a0/0x4a0
[  535.012104][ T8336]  ? netlink_ack+0x1380/0x1380
[  535.016867][ T8336]  ? lock_sync+0x190/0x190
[  535.021300][ T8336]  ? netlink_deliver_tap+0x1a0/0xd00
[  535.026608][ T8336]  ? _copy_from_iter+0x2c1/0x10f0
[  535.031640][ T8336]  netlink_unicast+0x53b/0x810
[  535.036420][ T8336]  ? netlink_attachskb+0x880/0x880
[  535.041525][ T8336]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  535.047414][ T8336]  ? __phys_addr_symbol+0x30/0x70
[  535.052438][ T8336]  ? __check_object_size+0x323/0x730
[  535.057720][ T8336]  netlink_sendmsg+0x93c/0xe40
[  535.062484][ T8336]  ? netlink_unicast+0x810/0x810
[  535.067423][ T8336]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  535.072733][ T8336]  ? netlink_unicast+0x810/0x810
[  535.077668][ T8336]  __sock_sendmsg+0xd5/0x180
[  535.082254][ T8336]  ____sys_sendmsg+0x6ac/0x940
[  535.087014][ T8336]  ? copy_msghdr_from_user+0x10b/0x160
[  535.092471][ T8336]  ? kernel_sendmsg+0x50/0x50
[  535.097161][ T8336]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  535.103152][ T8336]  ___sys_sendmsg+0x135/0x1d0
[  535.107834][ T8336]  ? do_recvmmsg+0x740/0x740
[  535.112426][ T8336]  ? find_held_lock+0x2d/0x110
[  535.117188][ T8336]  ? preempt_count_sub+0x160/0x160
[  535.122331][ T8336]  ? __fget_light+0x1fc/0x260
[  535.127002][ T8336]  __sys_sendmsg+0x117/0x1e0
[  535.131588][ T8336]  ? __sys_sendmsg_sock+0x30/0x30
[  535.136611][ T8336]  ? xfd_validate_state+0x5d/0x180
[  535.141746][ T8336]  ? syscall_enter_from_user_mode+0x7f/0x120
[  535.147734][ T8336]  do_syscall_64+0x40/0x110
[  535.152235][ T8336]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  535.158126][ T8336] RIP: 0033:0x7ff3fd6020b9
[  535.162544][ T8336] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  535.182155][ T8336] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  535.190587][ T8336] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  535.198565][ T8336] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  535.206554][ T8336] RBP: 0000000000082523 R08: 0000000000000000 R09: 0000000000000006
[  535.214518][ T8336] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  535.222481][ T8336] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  535.230456][ T8336]  </TASK>
[  535.233681][ T8336] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  535.273263][ T8336] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  535.282567][ T8336] CPU: 0 PID: 8336 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  535.293040][ T8336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  535.303090][ T8336] Call Trace:
[  535.306354][ T8336]  <TASK>
[  535.309269][ T8336]  dump_stack_lvl+0x125/0x1b0
[  535.313940][ T8336]  sysfs_warn_dup+0x7f/0xa0
[  535.318433][ T8336]  sysfs_create_dir_ns+0x249/0x2b0
[  535.323533][ T8336]  ? sysfs_create_mount_point+0xb0/0xb0
[  535.329105][ T8336]  ? spin_bug+0x1d0/0x1d0
[  535.333422][ T8336]  ? net_namespace+0x12/0x40
[  535.337999][ T8336]  ? device_namespace+0x8d/0xc0
[  535.342841][ T8336]  kobject_add_internal+0x2c8/0x970
[  535.348034][ T8336]  kobject_add+0x16f/0x240
[  535.352442][ T8336]  ? kset_create_and_add+0x190/0x190
[  535.357714][ T8336]  ? do_raw_spin_unlock+0x173/0x230
[  535.362893][ T8336]  ? kobject_put+0xbe/0x440
[  535.367383][ T8336]  ? device_add+0xc35/0x1aa0
[  535.371965][ T8336]  device_add+0x289/0x1aa0
[  535.376365][ T8336]  ? device_initialize+0x510/0x510
[  535.381461][ T8336]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  535.388311][ T8336]  ? __init_waitqueue_head+0xca/0x150
[  535.393690][ T8336]  netdev_register_kobject+0x183/0x3f0
[  535.399153][ T8336]  register_netdevice+0xbe6/0x14b0
[  535.404265][ T8336]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  535.410160][ T8336]  ? validate_linkmsg+0x6fc/0x9c0
[  535.415186][ T8336]  br_dev_newlink+0x27/0x110
[  535.419773][ T8336]  ? br_changelink+0x1760/0x1760
[  535.424707][ T8336]  __rtnl_newlink+0x1173/0x1930
[  535.429569][ T8336]  ? rtnl_link_unregister+0x260/0x260
[  535.434959][ T8336]  rtnl_newlink+0x67/0xa0
[  535.439286][ T8336]  ? __rtnl_newlink+0x1930/0x1930
[  535.444317][ T8336]  rtnetlink_rcv_msg+0x3c7/0xe00
[  535.449279][ T8336]  ? rtnl_fill_vf+0x4a0/0x4a0
[  535.453955][ T8336]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  535.459934][ T8336]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  535.465920][ T8336]  netlink_rcv_skb+0x16b/0x440
[  535.470688][ T8336]  ? rtnl_fill_vf+0x4a0/0x4a0
[  535.475361][ T8336]  ? netlink_ack+0x1380/0x1380
[  535.480120][ T8336]  ? lock_sync+0x190/0x190
[  535.484546][ T8336]  ? netlink_deliver_tap+0x1a0/0xd00
[  535.489829][ T8336]  ? _copy_from_iter+0x2c1/0x10f0
[  535.494856][ T8336]  netlink_unicast+0x53b/0x810
[  535.499626][ T8336]  ? netlink_attachskb+0x880/0x880
[  535.504740][ T8336]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  535.510635][ T8336]  ? __phys_addr_symbol+0x30/0x70
[  535.515656][ T8336]  ? __check_object_size+0x323/0x730
[  535.520937][ T8336]  netlink_sendmsg+0x93c/0xe40
[  535.525707][ T8336]  ? netlink_unicast+0x810/0x810
[  535.530649][ T8336]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  535.535934][ T8336]  ? netlink_unicast+0x810/0x810
[  535.540881][ T8336]  __sock_sendmsg+0xd5/0x180
[  535.545471][ T8336]  ____sys_sendmsg+0x6ac/0x940
[  535.550233][ T8336]  ? copy_msghdr_from_user+0x10b/0x160
[  535.555692][ T8336]  ? kernel_sendmsg+0x50/0x50
[  535.560403][ T8336]  ___sys_sendmsg+0x135/0x1d0
[  535.565104][ T8336]  ? do_recvmmsg+0x740/0x740
[  535.569697][ T8336]  ? find_held_lock+0x2d/0x110
[  535.574469][ T8336]  ? preempt_count_sub+0x160/0x160
[  535.579607][ T8336]  ? __fget_light+0x1fc/0x260
[  535.584282][ T8336]  __sys_sendmsg+0x117/0x1e0
[  535.588875][ T8336]  ? __sys_sendmsg_sock+0x30/0x30
[  535.593907][ T8336]  ? syscall_enter_from_user_mode+0x7f/0x120
[  535.599899][ T8336]  do_syscall_64+0x40/0x110
[  535.604422][ T8336]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  535.610334][ T8336] RIP: 0033:0x7ff3fd6020b9
[  535.614831][ T8336] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  535.634432][ T8336] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  535.642836][ T8336] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  535.650801][ T8336] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  535.658766][ T8336] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  535.666728][ T8336] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  535.674692][ T8336] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  535.682671][ T8336]  </TASK>
[  535.687028][ T8336] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  535.747988][ T8337] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  535.758138][ T8337] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  535.767317][ T8337] CPU: 1 PID: 8337 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  535.777773][ T8337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  535.787993][ T8337] Call Trace:
[  535.791271][ T8337]  <TASK>
[  535.794191][ T8337]  dump_stack_lvl+0x125/0x1b0
[  535.798950][ T8337]  sysfs_warn_dup+0x7f/0xa0
[  535.803446][ T8337]  sysfs_create_dir_ns+0x249/0x2b0
[  535.808554][ T8337]  ? sysfs_create_mount_point+0xb0/0xb0
[  535.814093][ T8337]  ? spin_bug+0x1d0/0x1d0
[  535.818447][ T8337]  ? net_namespace+0x12/0x40
[  535.823099][ T8337]  ? device_namespace+0x8d/0xc0
[  535.827988][ T8337]  kobject_add_internal+0x2c8/0x970
[  535.833195][ T8337]  kobject_add+0x16f/0x240
[  535.837625][ T8337]  ? kset_create_and_add+0x190/0x190
[  535.842910][ T8337]  ? do_raw_spin_unlock+0x173/0x230
[  535.848100][ T8337]  ? kobject_put+0xbe/0x440
[  535.852598][ T8337]  ? device_add+0xc35/0x1aa0
[  535.857183][ T8337]  device_add+0x289/0x1aa0
[  535.861600][ T8337]  ? device_initialize+0x510/0x510
[  535.867133][ T8337]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  535.873979][ T8337]  ? __init_waitqueue_head+0xca/0x150
[  535.879349][ T8337]  netdev_register_kobject+0x183/0x3f0
[  535.884809][ T8337]  register_netdevice+0xbe6/0x14b0
[  535.889947][ T8337]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  535.895835][ T8337]  ? validate_linkmsg+0x6fc/0x9c0
[  535.900868][ T8337]  br_dev_newlink+0x27/0x110
[  535.905483][ T8337]  ? br_changelink+0x1760/0x1760
[  535.910412][ T8337]  __rtnl_newlink+0x1173/0x1930
[  535.915268][ T8337]  ? rtnl_link_unregister+0x260/0x260
[  535.920705][ T8337]  rtnl_newlink+0x67/0xa0
[  535.925048][ T8337]  ? __rtnl_newlink+0x1930/0x1930
[  535.930124][ T8337]  rtnetlink_rcv_msg+0x3c7/0xe00
[  535.935061][ T8337]  ? rtnl_fill_vf+0x4a0/0x4a0
[  535.939745][ T8337]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  535.945760][ T8337]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  535.951738][ T8337]  netlink_rcv_skb+0x16b/0x440
[  535.956500][ T8337]  ? rtnl_fill_vf+0x4a0/0x4a0
[  535.961171][ T8337]  ? netlink_ack+0x1380/0x1380
[  535.965927][ T8337]  ? lock_sync+0x190/0x190
[  535.970346][ T8337]  ? netlink_deliver_tap+0x1a0/0xd00
[  535.975623][ T8337]  ? _copy_from_iter+0x2c1/0x10f0
[  535.980658][ T8337]  netlink_unicast+0x53b/0x810
[  535.985433][ T8337]  ? netlink_attachskb+0x880/0x880
[  535.990542][ T8337]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  535.996436][ T8337]  ? __phys_addr_symbol+0x30/0x70
[  536.001490][ T8337]  ? __check_object_size+0x323/0x730
[  536.006794][ T8337]  netlink_sendmsg+0x93c/0xe40
[  536.011555][ T8337]  ? netlink_unicast+0x810/0x810
[  536.016507][ T8337]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  536.021801][ T8337]  ? netlink_unicast+0x810/0x810
[  536.026734][ T8337]  __sock_sendmsg+0xd5/0x180
[  536.031318][ T8337]  ____sys_sendmsg+0x6ac/0x940
[  536.036073][ T8337]  ? copy_msghdr_from_user+0x10b/0x160
[  536.041526][ T8337]  ? kernel_sendmsg+0x50/0x50
[  536.046215][ T8337]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  536.052194][ T8337]  ___sys_sendmsg+0x135/0x1d0
[  536.056867][ T8337]  ? do_recvmmsg+0x740/0x740
[  536.061452][ T8337]  ? find_held_lock+0x2d/0x110
[  536.066218][ T8337]  ? preempt_count_sub+0x160/0x160
[  536.071387][ T8337]  ? __fget_light+0x1fc/0x260
[  536.076076][ T8337]  __sys_sendmsg+0x117/0x1e0
[  536.080682][ T8337]  ? __sys_sendmsg_sock+0x30/0x30
[  536.085711][ T8337]  ? xfd_validate_state+0x5d/0x180
[  536.090829][ T8337]  ? syscall_enter_from_user_mode+0x7f/0x120
[  536.096817][ T8337]  do_syscall_64+0x40/0x110
[  536.101319][ T8337]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  536.107209][ T8337] RIP: 0033:0x7ff3fd6020b9
[  536.111644][ T8337] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  536.131263][ T8337] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  536.139683][ T8337] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  536.147651][ T8337] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  536.155641][ T8337] RBP: 00000000000828f8 R08: 0000000000000000 R09: 0000000000000006
[  536.163609][ T8337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  536.171579][ T8337] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  536.179571][ T8337]  </TASK>
[  536.185811][ T8337] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  536.243788][ T8337] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  536.253083][ T8337] CPU: 1 PID: 8337 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  536.263530][ T8337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  536.273587][ T8337] Call Trace:
[  536.276863][ T8337]  <TASK>
[  536.279788][ T8337]  dump_stack_lvl+0x125/0x1b0
[  536.284467][ T8337]  sysfs_warn_dup+0x7f/0xa0
[  536.288992][ T8337]  sysfs_create_dir_ns+0x249/0x2b0
[  536.294101][ T8337]  ? sysfs_create_mount_point+0xb0/0xb0
[  536.299643][ T8337]  ? spin_bug+0x1d0/0x1d0
[  536.303966][ T8337]  ? net_namespace+0x12/0x40
[  536.308553][ T8337]  ? device_namespace+0x8d/0xc0
[  536.313402][ T8337]  kobject_add_internal+0x2c8/0x970
[  536.318601][ T8337]  kobject_add+0x16f/0x240
[  536.323012][ T8337]  ? kset_create_and_add+0x190/0x190
[  536.328294][ T8337]  ? do_raw_spin_unlock+0x173/0x230
[  536.333486][ T8337]  ? kobject_put+0xbe/0x440
[  536.337984][ T8337]  ? device_add+0xc35/0x1aa0
[  536.342567][ T8337]  device_add+0x289/0x1aa0
[  536.346980][ T8337]  ? device_initialize+0x510/0x510
[  536.352085][ T8337]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  536.358928][ T8337]  ? __init_waitqueue_head+0xca/0x150
[  536.364294][ T8337]  netdev_register_kobject+0x183/0x3f0
[  536.369750][ T8337]  register_netdevice+0xbe6/0x14b0
[  536.374861][ T8337]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  536.380748][ T8337]  ? validate_linkmsg+0x6fc/0x9c0
[  536.385765][ T8337]  br_dev_newlink+0x27/0x110
[  536.390349][ T8337]  ? br_changelink+0x1760/0x1760
[  536.395275][ T8337]  __rtnl_newlink+0x1173/0x1930
[  536.400131][ T8337]  ? rtnl_link_unregister+0x260/0x260
[  536.405542][ T8337]  rtnl_newlink+0x67/0xa0
[  536.409889][ T8337]  ? __rtnl_newlink+0x1930/0x1930
[  536.414906][ T8337]  rtnetlink_rcv_msg+0x3c7/0xe00
[  536.419838][ T8337]  ? rtnl_fill_vf+0x4a0/0x4a0
[  536.424543][ T8337]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  536.430518][ T8337]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  536.436501][ T8337]  netlink_rcv_skb+0x16b/0x440
[  536.441265][ T8337]  ? rtnl_fill_vf+0x4a0/0x4a0
[  536.445936][ T8337]  ? netlink_ack+0x1380/0x1380
[  536.450695][ T8337]  ? lock_sync+0x190/0x190
[  536.455115][ T8337]  ? netlink_deliver_tap+0x1a0/0xd00
[  536.460393][ T8337]  ? _copy_from_iter+0x2c1/0x10f0
[  536.465415][ T8337]  netlink_unicast+0x53b/0x810
[  536.470188][ T8337]  ? netlink_attachskb+0x880/0x880
[  536.475295][ T8337]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  536.481180][ T8337]  ? __phys_addr_symbol+0x30/0x70
[  536.486193][ T8337]  ? __check_object_size+0x323/0x730
[  536.491470][ T8337]  netlink_sendmsg+0x93c/0xe40
[  536.496232][ T8337]  ? netlink_unicast+0x810/0x810
[  536.501164][ T8337]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  536.506443][ T8337]  ? netlink_unicast+0x810/0x810
[  536.511439][ T8337]  __sock_sendmsg+0xd5/0x180
[  536.516022][ T8337]  ____sys_sendmsg+0x6ac/0x940
[  536.520783][ T8337]  ? copy_msghdr_from_user+0x10b/0x160
[  536.526258][ T8337]  ? kernel_sendmsg+0x50/0x50
[  536.530929][ T8337]  ? hlock_class+0x4e/0x130
[  536.535463][ T8337]  ? __lock_acquire+0x14e0/0x3b10
[  536.540485][ T8337]  ___sys_sendmsg+0x135/0x1d0
[  536.545162][ T8337]  ? do_recvmmsg+0x740/0x740
[  536.549743][ T8337]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  536.555717][ T8337]  ? find_held_lock+0x2d/0x110
[  536.560493][ T8337]  ? __fget_light+0x1fc/0x260
[  536.565186][ T8337]  __sys_sendmsg+0x117/0x1e0
[  536.569771][ T8337]  ? __sys_sendmsg_sock+0x30/0x30
[  536.574801][ T8337]  ? xfd_validate_state+0x5d/0x180
[  536.579941][ T8337]  ? syscall_enter_from_user_mode+0x7f/0x120
[  536.585955][ T8337]  do_syscall_64+0x40/0x110
[  536.590459][ T8337]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  536.596361][ T8337] RIP: 0033:0x7ff3fd6020b9
[  536.600771][ T8337] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  536.620380][ T8337] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  536.628794][ T8337] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  536.636767][ T8337] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  536.644725][ T8337] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  536.652685][ T8337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  536.660651][ T8337] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  536.668627][ T8337]  </TASK>
[  536.673426][ T8337] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  536.729295][ T8338] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  536.739540][ T8338] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  536.748721][ T8338] CPU: 0 PID: 8338 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  536.759157][ T8338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  536.769212][ T8338] Call Trace:
[  536.772488][ T8338]  <TASK>
[  536.775415][ T8338]  dump_stack_lvl+0x125/0x1b0
[  536.780112][ T8338]  sysfs_warn_dup+0x7f/0xa0
[  536.784612][ T8338]  sysfs_create_dir_ns+0x249/0x2b0
[  536.789722][ T8338]  ? sysfs_create_mount_point+0xb0/0xb0
[  536.795264][ T8338]  ? spin_bug+0x1d0/0x1d0
[  536.799588][ T8338]  ? net_namespace+0x12/0x40
[  536.804174][ T8338]  ? device_namespace+0x8d/0xc0
[  536.809035][ T8338]  kobject_add_internal+0x2c8/0x970
[  536.814268][ T8338]  kobject_add+0x16f/0x240
[  536.818698][ T8338]  ? kset_create_and_add+0x190/0x190
[  536.823989][ T8338]  ? do_raw_spin_unlock+0x173/0x230
[  536.829187][ T8338]  ? kobject_put+0xbe/0x440
[  536.833692][ T8338]  ? device_add+0xc35/0x1aa0
[  536.838285][ T8338]  device_add+0x289/0x1aa0
[  536.842701][ T8338]  ? device_initialize+0x510/0x510
[  536.847809][ T8338]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  536.854666][ T8338]  ? __init_waitqueue_head+0xca/0x150
[  536.860046][ T8338]  netdev_register_kobject+0x183/0x3f0
[  536.865514][ T8338]  register_netdevice+0xbe6/0x14b0
[  536.870637][ T8338]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  536.876542][ T8338]  ? validate_linkmsg+0x6fc/0x9c0
[  536.881568][ T8338]  br_dev_newlink+0x27/0x110
[  536.886161][ T8338]  ? br_changelink+0x1760/0x1760
[  536.891098][ T8338]  __rtnl_newlink+0x1173/0x1930
[  536.895968][ T8338]  ? rtnl_link_unregister+0x260/0x260
[  536.901560][ T8338]  rtnl_newlink+0x67/0xa0
[  536.905904][ T8338]  ? __rtnl_newlink+0x1930/0x1930
[  536.910932][ T8338]  rtnetlink_rcv_msg+0x3c7/0xe00
[  536.915908][ T8338]  ? rtnl_fill_vf+0x4a0/0x4a0
[  536.920603][ T8338]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  536.926599][ T8338]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  536.932598][ T8338]  netlink_rcv_skb+0x16b/0x440
[  536.937367][ T8338]  ? rtnl_fill_vf+0x4a0/0x4a0
[  536.942045][ T8338]  ? netlink_ack+0x1380/0x1380
[  536.946813][ T8338]  ? lock_sync+0x190/0x190
[  536.951245][ T8338]  ? netlink_deliver_tap+0x1a0/0xd00
[  536.956530][ T8338]  ? _copy_from_iter+0x2c1/0x10f0
[  536.961560][ T8338]  netlink_unicast+0x53b/0x810
[  536.966335][ T8338]  ? netlink_attachskb+0x880/0x880
[  536.971444][ T8338]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  536.977335][ T8338]  ? __phys_addr_symbol+0x30/0x70
[  536.982358][ T8338]  ? __check_object_size+0x323/0x730
[  536.987644][ T8338]  netlink_sendmsg+0x93c/0xe40
[  536.992440][ T8338]  ? netlink_unicast+0x810/0x810
[  536.997378][ T8338]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  537.002668][ T8338]  ? netlink_unicast+0x810/0x810
[  537.007609][ T8338]  __sock_sendmsg+0xd5/0x180
[  537.012202][ T8338]  ____sys_sendmsg+0x6ac/0x940
[  537.016966][ T8338]  ? copy_msghdr_from_user+0x10b/0x160
[  537.022423][ T8338]  ? kernel_sendmsg+0x50/0x50
[  537.027099][ T8338]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  537.033095][ T8338]  ___sys_sendmsg+0x135/0x1d0
[  537.037777][ T8338]  ? do_recvmmsg+0x740/0x740
[  537.042365][ T8338]  ? find_held_lock+0x2d/0x110
[  537.047134][ T8338]  ? preempt_count_sub+0x160/0x160
[  537.052247][ T8338]  ? __fget_light+0x1fc/0x260
[  537.056955][ T8338]  __sys_sendmsg+0x117/0x1e0
[  537.061564][ T8338]  ? __sys_sendmsg_sock+0x30/0x30
[  537.066613][ T8338]  ? xfd_validate_state+0x5d/0x180
[  537.071743][ T8338]  ? syscall_enter_from_user_mode+0x7f/0x120
[  537.077735][ T8338]  do_syscall_64+0x40/0x110
[  537.082241][ T8338]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  537.088140][ T8338] RIP: 0033:0x7ff3fd6020b9
[  537.092554][ T8338] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  537.112168][ T8338] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  537.120578][ T8338] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  537.128546][ T8338] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  537.136523][ T8338] RBP: 0000000000082cad R08: 0000000000000000 R09: 0000000000000006
[  537.144494][ T8338] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  537.152730][ T8338] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  537.160728][ T8338]  </TASK>
[  537.165038][ T8338] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  537.203342][ T8338] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  537.212561][ T8338] CPU: 0 PID: 8338 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  537.222994][ T8338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  537.233041][ T8338] Call Trace:
[  537.236317][ T8338]  <TASK>
[  537.239245][ T8338]  dump_stack_lvl+0x125/0x1b0
[  537.243925][ T8338]  sysfs_warn_dup+0x7f/0xa0
[  537.248452][ T8338]  sysfs_create_dir_ns+0x249/0x2b0
[  537.253565][ T8338]  ? sysfs_create_mount_point+0xb0/0xb0
[  537.259139][ T8338]  ? spin_bug+0x1d0/0x1d0
[  537.263471][ T8338]  ? net_namespace+0x12/0x40
[  537.268061][ T8338]  ? device_namespace+0x8d/0xc0
[  537.272915][ T8338]  kobject_add_internal+0x2c8/0x970
[  537.278115][ T8338]  kobject_add+0x16f/0x240
[  537.282536][ T8338]  ? kset_create_and_add+0x190/0x190
[  537.287818][ T8338]  ? do_raw_spin_unlock+0x173/0x230
[  537.293021][ T8338]  ? kobject_put+0xbe/0x440
[  537.297534][ T8338]  ? device_add+0xc35/0x1aa0
[  537.302131][ T8338]  device_add+0x289/0x1aa0
[  537.306549][ T8338]  ? device_initialize+0x510/0x510
[  537.311676][ T8338]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  537.318577][ T8338]  ? __init_waitqueue_head+0xca/0x150
[  537.323955][ T8338]  netdev_register_kobject+0x183/0x3f0
[  537.329417][ T8338]  register_netdevice+0xbe6/0x14b0
[  537.334530][ T8338]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  537.340425][ T8338]  ? validate_linkmsg+0x6fc/0x9c0
[  537.345461][ T8338]  br_dev_newlink+0x27/0x110
[  537.350069][ T8338]  ? br_changelink+0x1760/0x1760
[  537.354999][ T8338]  __rtnl_newlink+0x1173/0x1930
[  537.359851][ T8338]  ? rtnl_link_unregister+0x260/0x260
[  537.365231][ T8338]  rtnl_newlink+0x67/0xa0
[  537.369563][ T8338]  ? __rtnl_newlink+0x1930/0x1930
[  537.374594][ T8338]  rtnetlink_rcv_msg+0x3c7/0xe00
[  537.379538][ T8338]  ? rtnl_fill_vf+0x4a0/0x4a0
[  537.384243][ T8338]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  537.390224][ T8338]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  537.396204][ T8338]  netlink_rcv_skb+0x16b/0x440
[  537.400966][ T8338]  ? rtnl_fill_vf+0x4a0/0x4a0
[  537.405635][ T8338]  ? netlink_ack+0x1380/0x1380
[  537.410392][ T8338]  ? lock_sync+0x190/0x190
[  537.414810][ T8338]  ? netlink_deliver_tap+0x1a0/0xd00
[  537.420087][ T8338]  ? _copy_from_iter+0x2c1/0x10f0
[  537.425106][ T8338]  netlink_unicast+0x53b/0x810
[  537.429891][ T8338]  ? netlink_attachskb+0x880/0x880
[  537.434992][ T8338]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  537.440884][ T8338]  ? __phys_addr_symbol+0x30/0x70
[  537.445907][ T8338]  ? __check_object_size+0x323/0x730
[  537.451185][ T8338]  netlink_sendmsg+0x93c/0xe40
[  537.455949][ T8338]  ? netlink_unicast+0x810/0x810
[  537.460898][ T8338]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  537.466209][ T8338]  ? netlink_unicast+0x810/0x810
[  537.471146][ T8338]  __sock_sendmsg+0xd5/0x180
[  537.475752][ T8338]  ____sys_sendmsg+0x6ac/0x940
[  537.480508][ T8338]  ? copy_msghdr_from_user+0x10b/0x160
[  537.485957][ T8338]  ? kernel_sendmsg+0x50/0x50
[  537.490634][ T8338]  ? hlock_class+0x4e/0x130
[  537.495170][ T8338]  ? __lock_acquire+0x14e0/0x3b10
[  537.500191][ T8338]  ___sys_sendmsg+0x135/0x1d0
[  537.504864][ T8338]  ? do_recvmmsg+0x740/0x740
[  537.509463][ T8338]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  537.515443][ T8338]  ? find_held_lock+0x2d/0x110
[  537.520211][ T8338]  ? __fget_light+0x1fc/0x260
[  537.524878][ T8338]  __sys_sendmsg+0x117/0x1e0
[  537.529466][ T8338]  ? __sys_sendmsg_sock+0x30/0x30
[  537.534481][ T8338]  ? xfd_validate_state+0x5d/0x180
[  537.539610][ T8338]  ? syscall_enter_from_user_mode+0x7f/0x120
[  537.545619][ T8338]  do_syscall_64+0x40/0x110
[  537.550118][ T8338]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  537.556089][ T8338] RIP: 0033:0x7ff3fd6020b9
[  537.560505][ T8338] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  537.580115][ T8338] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  537.588563][ T8338] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  537.596538][ T8338] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  537.604498][ T8338] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  537.612483][ T8338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  537.620439][ T8338] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  537.628406][ T8338]  </TASK>
[  537.631952][ T8338] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  537.687785][ T8339] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  537.697976][ T8339] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  537.707200][ T8339] CPU: 0 PID: 8339 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  537.717718][ T8339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  537.727770][ T8339] Call Trace:
[  537.731044][ T8339]  <TASK>
[  537.734020][ T8339]  dump_stack_lvl+0x125/0x1b0
[  537.738713][ T8339]  sysfs_warn_dup+0x7f/0xa0
[  537.743220][ T8339]  sysfs_create_dir_ns+0x249/0x2b0
[  537.748326][ T8339]  ? sysfs_create_mount_point+0xb0/0xb0
[  537.753860][ T8339]  ? spin_bug+0x1d0/0x1d0
[  537.758179][ T8339]  ? net_namespace+0x12/0x40
[  537.762761][ T8339]  ? device_namespace+0x8d/0xc0
[  537.767617][ T8339]  kobject_add_internal+0x2c8/0x970
[  537.772822][ T8339]  kobject_add+0x16f/0x240
[  537.777236][ T8339]  ? kset_create_and_add+0x190/0x190
[  537.782520][ T8339]  ? do_raw_spin_unlock+0x173/0x230
[  537.787720][ T8339]  ? kobject_put+0xbe/0x440
[  537.792230][ T8339]  ? device_add+0xc35/0x1aa0
[  537.796822][ T8339]  device_add+0x289/0x1aa0
[  537.801234][ T8339]  ? device_initialize+0x510/0x510
[  537.806336][ T8339]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  537.813192][ T8339]  ? __init_waitqueue_head+0xca/0x150
[  537.818574][ T8339]  netdev_register_kobject+0x183/0x3f0
[  537.824039][ T8339]  register_netdevice+0xbe6/0x14b0
[  537.829152][ T8339]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  537.835132][ T8339]  ? validate_linkmsg+0x6fc/0x9c0
[  537.840154][ T8339]  br_dev_newlink+0x27/0x110
[  537.844743][ T8339]  ? br_changelink+0x1760/0x1760
[  537.849675][ T8339]  __rtnl_newlink+0x1173/0x1930
[  537.854540][ T8339]  ? rtnl_link_unregister+0x260/0x260
[  537.859926][ T8339]  rtnl_newlink+0x67/0xa0
[  537.864280][ T8339]  ? __rtnl_newlink+0x1930/0x1930
[  537.869327][ T8339]  rtnetlink_rcv_msg+0x3c7/0xe00
[  537.874274][ T8339]  ? rtnl_fill_vf+0x4a0/0x4a0
[  537.878952][ T8339]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  537.884938][ T8339]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  537.890923][ T8339]  netlink_rcv_skb+0x16b/0x440
[  537.895713][ T8339]  ? rtnl_fill_vf+0x4a0/0x4a0
[  537.900384][ T8339]  ? netlink_ack+0x1380/0x1380
[  537.905146][ T8339]  ? lock_sync+0x190/0x190
[  537.909571][ T8339]  ? netlink_deliver_tap+0x1a0/0xd00
[  537.914853][ T8339]  ? _copy_from_iter+0x2c1/0x10f0
[  537.919879][ T8339]  netlink_unicast+0x53b/0x810
[  537.924668][ T8339]  ? netlink_attachskb+0x880/0x880
[  537.929778][ T8339]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  537.935670][ T8339]  ? __phys_addr_symbol+0x30/0x70
[  537.940695][ T8339]  ? __check_object_size+0x323/0x730
[  537.945979][ T8339]  netlink_sendmsg+0x93c/0xe40
[  537.950751][ T8339]  ? netlink_unicast+0x810/0x810
[  537.955691][ T8339]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  537.960975][ T8339]  ? netlink_unicast+0x810/0x810
[  537.965919][ T8339]  __sock_sendmsg+0xd5/0x180
[  537.970510][ T8339]  ____sys_sendmsg+0x6ac/0x940
[  537.975273][ T8339]  ? copy_msghdr_from_user+0x10b/0x160
[  537.980735][ T8339]  ? kernel_sendmsg+0x50/0x50
[  537.985410][ T8339]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  537.991426][ T8339]  ___sys_sendmsg+0x135/0x1d0
[  537.996107][ T8339]  ? do_recvmmsg+0x740/0x740
[  538.000695][ T8339]  ? find_held_lock+0x2d/0x110
[  538.005464][ T8339]  ? preempt_count_sub+0x160/0x160
[  538.010580][ T8339]  ? __fget_light+0x1fc/0x260
[  538.015257][ T8339]  __sys_sendmsg+0x117/0x1e0
[  538.019846][ T8339]  ? __sys_sendmsg_sock+0x30/0x30
[  538.024878][ T8339]  ? syscall_enter_from_user_mode+0x7f/0x120
[  538.030863][ T8339]  do_syscall_64+0x40/0x110
[  538.035362][ T8339]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  538.041281][ T8339] RIP: 0033:0x7ff3fd6020b9
[  538.045711][ T8339] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  538.065355][ T8339] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  538.073775][ T8339] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  538.081747][ T8339] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  538.089724][ T8339] RBP: 0000000000083082 R08: 0000000000000000 R09: 0000000000000006
[  538.097692][ T8339] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  538.105685][ T8339] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  538.113690][ T8339]  </TASK>
[  538.118236][ T8339] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  538.173264][ T8339] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  538.182536][ T8339] CPU: 1 PID: 8339 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  538.192966][ T8339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  538.203016][ T8339] Call Trace:
[  538.206290][ T8339]  <TASK>
[  538.209215][ T8339]  dump_stack_lvl+0x125/0x1b0
[  538.213888][ T8339]  sysfs_warn_dup+0x7f/0xa0
[  538.218388][ T8339]  sysfs_create_dir_ns+0x249/0x2b0
[  538.223509][ T8339]  ? sysfs_create_mount_point+0xb0/0xb0
[  538.229089][ T8339]  ? spin_bug+0x1d0/0x1d0
[  538.233425][ T8339]  ? net_namespace+0x12/0x40
[  538.238014][ T8339]  ? device_namespace+0x8d/0xc0
[  538.242862][ T8339]  kobject_add_internal+0x2c8/0x970
[  538.248060][ T8339]  kobject_add+0x16f/0x240
[  538.252475][ T8339]  ? kset_create_and_add+0x190/0x190
[  538.257764][ T8339]  ? do_raw_spin_unlock+0x173/0x230
[  538.262982][ T8339]  ? kobject_put+0xbe/0x440
[  538.267480][ T8339]  ? device_add+0xc35/0x1aa0
[  538.272068][ T8339]  device_add+0x289/0x1aa0
[  538.276505][ T8339]  ? device_initialize+0x510/0x510
[  538.281609][ T8339]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  538.288462][ T8339]  ? __init_waitqueue_head+0xca/0x150
[  538.293837][ T8339]  netdev_register_kobject+0x183/0x3f0
[  538.299294][ T8339]  register_netdevice+0xbe6/0x14b0
[  538.304408][ T8339]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  538.310313][ T8339]  ? validate_linkmsg+0x6fc/0x9c0
[  538.315337][ T8339]  br_dev_newlink+0x27/0x110
[  538.319926][ T8339]  ? br_changelink+0x1760/0x1760
[  538.324857][ T8339]  __rtnl_newlink+0x1173/0x1930
[  538.329711][ T8339]  ? rtnl_link_unregister+0x260/0x260
[  538.335091][ T8339]  rtnl_newlink+0x67/0xa0
[  538.339417][ T8339]  ? __rtnl_newlink+0x1930/0x1930
[  538.344435][ T8339]  rtnetlink_rcv_msg+0x3c7/0xe00
[  538.349371][ T8339]  ? rtnl_fill_vf+0x4a0/0x4a0
[  538.354041][ T8339]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  538.360024][ T8339]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  538.366058][ T8339]  netlink_rcv_skb+0x16b/0x440
[  538.370859][ T8339]  ? rtnl_fill_vf+0x4a0/0x4a0
[  538.375528][ T8339]  ? netlink_ack+0x1380/0x1380
[  538.380377][ T8339]  ? lock_sync+0x190/0x190
[  538.384795][ T8339]  ? netlink_deliver_tap+0x1a0/0xd00
[  538.390082][ T8339]  ? _copy_from_iter+0x2c1/0x10f0
[  538.395104][ T8339]  netlink_unicast+0x53b/0x810
[  538.399873][ T8339]  ? netlink_attachskb+0x880/0x880
[  538.404981][ T8339]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  538.410867][ T8339]  ? __phys_addr_symbol+0x30/0x70
[  538.415883][ T8339]  ? __check_object_size+0x323/0x730
[  538.421182][ T8339]  netlink_sendmsg+0x93c/0xe40
[  538.425944][ T8339]  ? netlink_unicast+0x810/0x810
[  538.430882][ T8339]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  538.436160][ T8339]  ? netlink_unicast+0x810/0x810
[  538.441098][ T8339]  __sock_sendmsg+0xd5/0x180
[  538.445683][ T8339]  ____sys_sendmsg+0x6ac/0x940
[  538.450440][ T8339]  ? copy_msghdr_from_user+0x10b/0x160
[  538.455892][ T8339]  ? kernel_sendmsg+0x50/0x50
[  538.460581][ T8339]  ? hlock_class+0x4e/0x130
[  538.465081][ T8339]  ? __lock_acquire+0x14e0/0x3b10
[  538.470107][ T8339]  ___sys_sendmsg+0x135/0x1d0
[  538.474780][ T8339]  ? do_recvmmsg+0x740/0x740
[  538.479366][ T8339]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  538.485340][ T8339]  ? find_held_lock+0x2d/0x110
[  538.490134][ T8339]  ? __fget_light+0x1fc/0x260
[  538.494813][ T8339]  __sys_sendmsg+0x117/0x1e0
[  538.499397][ T8339]  ? __sys_sendmsg_sock+0x30/0x30
[  538.504414][ T8339]  ? __do_sys_rseq+0x750/0x750
[  538.509175][ T8339]  ? syscall_enter_from_user_mode+0x7f/0x120
[  538.515153][ T8339]  do_syscall_64+0x40/0x110
[  538.519680][ T8339]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  538.525567][ T8339] RIP: 0033:0x7ff3fd6020b9
[  538.529967][ T8339] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  538.549570][ T8339] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  538.557976][ T8339] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  538.565943][ T8339] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  538.573910][ T8339] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  538.581877][ T8339] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  538.589861][ T8339] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  538.597859][ T8339]  </TASK>
[  538.602188][ T8339] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  538.667931][ T8340] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  538.678040][ T8340] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  538.687236][ T8340] CPU: 1 PID: 8340 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  538.697660][ T8340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  538.707707][ T8340] Call Trace:
[  538.710979][ T8340]  <TASK>
[  538.713906][ T8340]  dump_stack_lvl+0x125/0x1b0
[  538.718580][ T8340]  sysfs_warn_dup+0x7f/0xa0
[  538.723083][ T8340]  sysfs_create_dir_ns+0x249/0x2b0
[  538.728224][ T8340]  ? sysfs_create_mount_point+0xb0/0xb0
[  538.733783][ T8340]  ? spin_bug+0x1d0/0x1d0
[  538.738106][ T8340]  ? net_namespace+0x12/0x40
[  538.742709][ T8340]  ? device_namespace+0x8d/0xc0
[  538.747579][ T8340]  kobject_add_internal+0x2c8/0x970
[  538.752790][ T8340]  kobject_add+0x16f/0x240
[  538.757209][ T8340]  ? kset_create_and_add+0x190/0x190
[  538.762507][ T8340]  ? do_raw_spin_unlock+0x173/0x230
[  538.767707][ T8340]  ? kobject_put+0xbe/0x440
[  538.772210][ T8340]  ? device_add+0xc35/0x1aa0
[  538.776798][ T8340]  device_add+0x289/0x1aa0
[  538.781212][ T8340]  ? device_initialize+0x510/0x510
[  538.786315][ T8340]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  538.793163][ T8340]  ? __init_waitqueue_head+0xca/0x150
[  538.798540][ T8340]  netdev_register_kobject+0x183/0x3f0
[  538.804007][ T8340]  register_netdevice+0xbe6/0x14b0
[  538.809133][ T8340]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  538.815032][ T8340]  ? validate_linkmsg+0x6fc/0x9c0
[  538.820055][ T8340]  br_dev_newlink+0x27/0x110
[  538.824672][ T8340]  ? br_changelink+0x1760/0x1760
[  538.829607][ T8340]  __rtnl_newlink+0x1173/0x1930
[  538.834467][ T8340]  ? rtnl_link_unregister+0x260/0x260
[  538.839882][ T8340]  rtnl_newlink+0x67/0xa0
[  538.844208][ T8340]  ? __rtnl_newlink+0x1930/0x1930
[  538.849229][ T8340]  rtnetlink_rcv_msg+0x3c7/0xe00
[  538.854166][ T8340]  ? rtnl_fill_vf+0x4a0/0x4a0
[  538.858841][ T8340]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  538.864827][ T8340]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  538.870850][ T8340]  netlink_rcv_skb+0x16b/0x440
[  538.875648][ T8340]  ? rtnl_fill_vf+0x4a0/0x4a0
[  538.880332][ T8340]  ? netlink_ack+0x1380/0x1380
[  538.885094][ T8340]  ? lock_sync+0x190/0x190
[  538.889522][ T8340]  ? netlink_deliver_tap+0x1a0/0xd00
[  538.894807][ T8340]  ? _copy_from_iter+0x2c1/0x10f0
[  538.899837][ T8340]  netlink_unicast+0x53b/0x810
[  538.904607][ T8340]  ? netlink_attachskb+0x880/0x880
[  538.909716][ T8340]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  538.915612][ T8340]  ? __phys_addr_symbol+0x30/0x70
[  538.920639][ T8340]  ? __check_object_size+0x323/0x730
[  538.925920][ T8340]  netlink_sendmsg+0x93c/0xe40
[  538.930695][ T8340]  ? netlink_unicast+0x810/0x810
[  538.935634][ T8340]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  538.940914][ T8340]  ? netlink_unicast+0x810/0x810
[  538.945850][ T8340]  __sock_sendmsg+0xd5/0x180
[  538.950438][ T8340]  ____sys_sendmsg+0x6ac/0x940
[  538.955205][ T8340]  ? copy_msghdr_from_user+0x10b/0x160
[  538.960666][ T8340]  ? kernel_sendmsg+0x50/0x50
[  538.965343][ T8340]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  538.971327][ T8340]  ___sys_sendmsg+0x135/0x1d0
[  538.976007][ T8340]  ? do_recvmmsg+0x740/0x740
[  538.980607][ T8340]  ? find_held_lock+0x2d/0x110
[  538.985386][ T8340]  ? preempt_count_sub+0x160/0x160
[  538.990515][ T8340]  ? __fget_light+0x1fc/0x260
[  538.995192][ T8340]  __sys_sendmsg+0x117/0x1e0
[  538.999787][ T8340]  ? __sys_sendmsg_sock+0x30/0x30
[  539.004806][ T8340]  ? xfd_validate_state+0x5d/0x180
[  539.009951][ T8340]  ? syscall_enter_from_user_mode+0x7f/0x120
[  539.015934][ T8340]  do_syscall_64+0x40/0x110
[  539.020432][ T8340]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  539.026328][ T8340] RIP: 0033:0x7ff3fd6020b9
[  539.030738][ T8340] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  539.050341][ T8340] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  539.058753][ T8340] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  539.066719][ T8340] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  539.074682][ T8340] RBP: 0000000000083441 R08: 0000000000000000 R09: 0000000000000006
[  539.082649][ T8340] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  539.090613][ T8340] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  539.098599][ T8340]  </TASK>
[  539.102934][ T8340] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  539.153389][ T8340] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  539.162588][ T8340] CPU: 1 PID: 8340 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  539.173006][ T8340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  539.183051][ T8340] Call Trace:
[  539.186324][ T8340]  <TASK>
[  539.189245][ T8340]  dump_stack_lvl+0x125/0x1b0
[  539.193919][ T8340]  sysfs_warn_dup+0x7f/0xa0
[  539.198415][ T8340]  sysfs_create_dir_ns+0x249/0x2b0
[  539.203522][ T8340]  ? sysfs_create_mount_point+0xb0/0xb0
[  539.209061][ T8340]  ? spin_bug+0x1d0/0x1d0
[  539.213388][ T8340]  ? net_namespace+0x12/0x40
[  539.217995][ T8340]  ? device_namespace+0x8d/0xc0
[  539.222847][ T8340]  kobject_add_internal+0x2c8/0x970
[  539.228050][ T8340]  kobject_add+0x16f/0x240
[  539.232503][ T8340]  ? kset_create_and_add+0x190/0x190
[  539.237786][ T8340]  ? do_raw_spin_unlock+0x173/0x230
[  539.243003][ T8340]  ? kobject_put+0xbe/0x440
[  539.247515][ T8340]  ? device_add+0xc35/0x1aa0
[  539.252104][ T8340]  device_add+0x289/0x1aa0
[  539.256517][ T8340]  ? device_initialize+0x510/0x510
[  539.261620][ T8340]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  539.268468][ T8340]  ? __init_waitqueue_head+0xca/0x150
[  539.273919][ T8340]  netdev_register_kobject+0x183/0x3f0
[  539.279414][ T8340]  register_netdevice+0xbe6/0x14b0
[  539.284547][ T8340]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  539.290443][ T8340]  ? validate_linkmsg+0x6fc/0x9c0
[  539.295472][ T8340]  br_dev_newlink+0x27/0x110
[  539.300069][ T8340]  ? br_changelink+0x1760/0x1760
[  539.305000][ T8340]  __rtnl_newlink+0x1173/0x1930
[  539.309862][ T8340]  ? rtnl_link_unregister+0x260/0x260
[  539.315276][ T8340]  rtnl_newlink+0x67/0xa0
[  539.319604][ T8340]  ? __rtnl_newlink+0x1930/0x1930
[  539.324625][ T8340]  rtnetlink_rcv_msg+0x3c7/0xe00
[  539.329563][ T8340]  ? rtnl_fill_vf+0x4a0/0x4a0
[  539.334236][ T8340]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  539.340215][ T8340]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  539.346233][ T8340]  netlink_rcv_skb+0x16b/0x440
[  539.351023][ T8340]  ? rtnl_fill_vf+0x4a0/0x4a0
[  539.355737][ T8340]  ? netlink_ack+0x1380/0x1380
[  539.360507][ T8340]  ? lock_sync+0x190/0x190
[  539.364937][ T8340]  ? netlink_deliver_tap+0x1a0/0xd00
[  539.370228][ T8340]  ? _copy_from_iter+0x2c1/0x10f0
[  539.375254][ T8340]  netlink_unicast+0x53b/0x810
[  539.380021][ T8340]  ? netlink_attachskb+0x880/0x880
[  539.385132][ T8340]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  539.391025][ T8340]  ? __phys_addr_symbol+0x30/0x70
[  539.396078][ T8340]  ? __check_object_size+0x323/0x730
[  539.401378][ T8340]  netlink_sendmsg+0x93c/0xe40
[  539.406148][ T8340]  ? netlink_unicast+0x810/0x810
[  539.411091][ T8340]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  539.416392][ T8340]  ? netlink_unicast+0x810/0x810
[  539.421330][ T8340]  __sock_sendmsg+0xd5/0x180
[  539.425943][ T8340]  ____sys_sendmsg+0x6ac/0x940
[  539.430711][ T8340]  ? copy_msghdr_from_user+0x10b/0x160
[  539.436169][ T8340]  ? kernel_sendmsg+0x50/0x50
[  539.440846][ T8340]  ? hlock_class+0x4e/0x130
[  539.445346][ T8340]  ? __lock_acquire+0x14e0/0x3b10
[  539.450404][ T8340]  ___sys_sendmsg+0x135/0x1d0
[  539.455085][ T8340]  ? do_recvmmsg+0x740/0x740
[  539.459671][ T8340]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  539.465657][ T8340]  ? find_held_lock+0x2d/0x110
[  539.470437][ T8340]  ? __fget_light+0x1fc/0x260
[  539.475110][ T8340]  __sys_sendmsg+0x117/0x1e0
[  539.479701][ T8340]  ? __sys_sendmsg_sock+0x30/0x30
[  539.484723][ T8340]  ? __do_sys_rseq+0x750/0x750
[  539.489491][ T8340]  ? syscall_enter_from_user_mode+0x7f/0x120
[  539.495475][ T8340]  do_syscall_64+0x40/0x110
[  539.499975][ T8340]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  539.505867][ T8340] RIP: 0033:0x7ff3fd6020b9
[  539.510275][ T8340] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  539.529875][ T8340] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  539.538282][ T8340] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  539.546248][ T8340] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  539.554215][ T8340] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  539.562179][ T8340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  539.570141][ T8340] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  539.578117][ T8340]  </TASK>
[  539.582658][ T8340] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  539.637949][ T8341] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  539.649112][ T8341] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  539.658299][ T8341] CPU: 1 PID: 8341 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  539.668721][ T8341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  539.678769][ T8341] Call Trace:
[  539.682042][ T8341]  <TASK>
[  539.684967][ T8341]  dump_stack_lvl+0x125/0x1b0
[  539.689638][ T8341]  sysfs_warn_dup+0x7f/0xa0
[  539.694137][ T8341]  sysfs_create_dir_ns+0x249/0x2b0
[  539.699243][ T8341]  ? sysfs_create_mount_point+0xb0/0xb0
[  539.704780][ T8341]  ? spin_bug+0x1d0/0x1d0
[  539.709098][ T8341]  ? net_namespace+0x12/0x40
[  539.713686][ T8341]  ? device_namespace+0x8d/0xc0
[  539.718545][ T8341]  kobject_add_internal+0x2c8/0x970
[  539.723751][ T8341]  kobject_add+0x16f/0x240
[  539.728164][ T8341]  ? kset_create_and_add+0x190/0x190
[  539.733446][ T8341]  ? do_raw_spin_unlock+0x173/0x230
[  539.738637][ T8341]  ? kobject_put+0xbe/0x440
[  539.743137][ T8341]  ? device_add+0xc35/0x1aa0
[  539.747735][ T8341]  device_add+0x289/0x1aa0
[  539.752148][ T8341]  ? device_initialize+0x510/0x510
[  539.757251][ T8341]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  539.764101][ T8341]  ? __init_waitqueue_head+0xca/0x150
[  539.769480][ T8341]  netdev_register_kobject+0x183/0x3f0
[  539.774943][ T8341]  register_netdevice+0xbe6/0x14b0
[  539.780053][ T8341]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  539.785946][ T8341]  ? validate_linkmsg+0x6fc/0x9c0
[  539.790972][ T8341]  br_dev_newlink+0x27/0x110
[  539.795585][ T8341]  ? br_changelink+0x1760/0x1760
[  539.800516][ T8341]  __rtnl_newlink+0x1173/0x1930
[  539.805372][ T8341]  ? rtnl_link_unregister+0x260/0x260
[  539.810761][ T8341]  rtnl_newlink+0x67/0xa0
[  539.815086][ T8341]  ? __rtnl_newlink+0x1930/0x1930
[  539.820103][ T8341]  rtnetlink_rcv_msg+0x3c7/0xe00
[  539.825039][ T8341]  ? rtnl_fill_vf+0x4a0/0x4a0
[  539.829714][ T8341]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  539.835699][ T8341]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  539.841684][ T8341]  netlink_rcv_skb+0x16b/0x440
[  539.846451][ T8341]  ? rtnl_fill_vf+0x4a0/0x4a0
[  539.851138][ T8341]  ? netlink_ack+0x1380/0x1380
[  539.855903][ T8341]  ? lock_sync+0x190/0x190
[  539.860334][ T8341]  ? netlink_deliver_tap+0x1a0/0xd00
[  539.865616][ T8341]  ? _copy_from_iter+0x2c1/0x10f0
[  539.870734][ T8341]  netlink_unicast+0x53b/0x810
[  539.875499][ T8341]  ? netlink_attachskb+0x880/0x880
[  539.880611][ T8341]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  539.886854][ T8341]  ? __phys_addr_symbol+0x30/0x70
[  539.891877][ T8341]  ? __check_object_size+0x323/0x730
[  539.897194][ T8341]  netlink_sendmsg+0x93c/0xe40
[  539.901970][ T8341]  ? netlink_unicast+0x810/0x810
[  539.906917][ T8341]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  539.912199][ T8341]  ? netlink_unicast+0x810/0x810
[  539.917139][ T8341]  __sock_sendmsg+0xd5/0x180
[  539.921731][ T8341]  ____sys_sendmsg+0x6ac/0x940
[  539.926512][ T8341]  ? copy_msghdr_from_user+0x10b/0x160
[  539.931968][ T8341]  ? kernel_sendmsg+0x50/0x50
[  539.936647][ T8341]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  539.942633][ T8341]  ___sys_sendmsg+0x135/0x1d0
[  539.947309][ T8341]  ? do_recvmmsg+0x740/0x740
[  539.951896][ T8341]  ? find_held_lock+0x2d/0x110
[  539.956663][ T8341]  ? preempt_count_sub+0x160/0x160
[  539.961777][ T8341]  ? __fget_light+0x1fc/0x260
[  539.966451][ T8341]  __sys_sendmsg+0x117/0x1e0
[  539.971084][ T8341]  ? __sys_sendmsg_sock+0x30/0x30
[  539.976105][ T8341]  ? xfd_validate_state+0x5d/0x180
[  539.981232][ T8341]  ? syscall_enter_from_user_mode+0x7f/0x120
[  539.987214][ T8341]  do_syscall_64+0x40/0x110
[  539.991721][ T8341]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  539.997615][ T8341] RIP: 0033:0x7ff3fd6020b9
[  540.002024][ T8341] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  540.021800][ T8341] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  540.030203][ T8341] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  540.038172][ T8341] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  540.046156][ T8341] RBP: 0000000000083815 R08: 0000000000000000 R09: 0000000000000006
[  540.054121][ T8341] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  540.062084][ T8341] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  540.070055][ T8341]  </TASK>
[  540.074714][ T8341] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  540.133697][ T8341] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  540.143026][ T8341] CPU: 0 PID: 8341 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  540.153480][ T8341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  540.163523][ T8341] Call Trace:
[  540.166800][ T8341]  <TASK>
[  540.169719][ T8341]  dump_stack_lvl+0x125/0x1b0
[  540.174388][ T8341]  sysfs_warn_dup+0x7f/0xa0
[  540.178885][ T8341]  sysfs_create_dir_ns+0x249/0x2b0
[  540.183991][ T8341]  ? sysfs_create_mount_point+0xb0/0xb0
[  540.189531][ T8341]  ? spin_bug+0x1d0/0x1d0
[  540.193864][ T8341]  ? net_namespace+0x12/0x40
[  540.198456][ T8341]  ? device_namespace+0x8d/0xc0
[  540.203313][ T8341]  kobject_add_internal+0x2c8/0x970
[  540.208518][ T8341]  kobject_add+0x16f/0x240
[  540.212940][ T8341]  ? kset_create_and_add+0x190/0x190
[  540.218223][ T8341]  ? do_raw_spin_unlock+0x173/0x230
[  540.223416][ T8341]  ? kobject_put+0xbe/0x440
[  540.227917][ T8341]  ? device_add+0xc35/0x1aa0
[  540.232506][ T8341]  device_add+0x289/0x1aa0
[  540.236930][ T8341]  ? device_initialize+0x510/0x510
[  540.242036][ T8341]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  540.248883][ T8341]  ? __init_waitqueue_head+0xca/0x150
[  540.254258][ T8341]  netdev_register_kobject+0x183/0x3f0
[  540.259745][ T8341]  register_netdevice+0xbe6/0x14b0
[  540.264856][ T8341]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  540.270746][ T8341]  ? validate_linkmsg+0x6fc/0x9c0
[  540.275768][ T8341]  br_dev_newlink+0x27/0x110
[  540.280355][ T8341]  ? br_changelink+0x1760/0x1760
[  540.285286][ T8341]  __rtnl_newlink+0x1173/0x1930
[  540.290166][ T8341]  ? rtnl_link_unregister+0x260/0x260
[  540.295584][ T8341]  rtnl_newlink+0x67/0xa0
[  540.299928][ T8341]  ? __rtnl_newlink+0x1930/0x1930
[  540.304956][ T8341]  rtnetlink_rcv_msg+0x3c7/0xe00
[  540.309902][ T8341]  ? rtnl_fill_vf+0x4a0/0x4a0
[  540.314580][ T8341]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  540.320562][ T8341]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  540.326556][ T8341]  netlink_rcv_skb+0x16b/0x440
[  540.331332][ T8341]  ? rtnl_fill_vf+0x4a0/0x4a0
[  540.336014][ T8341]  ? netlink_ack+0x1380/0x1380
[  540.340786][ T8341]  ? lock_sync+0x190/0x190
[  540.345242][ T8341]  ? netlink_deliver_tap+0x1a0/0xd00
[  540.350526][ T8341]  ? _copy_from_iter+0x2c1/0x10f0
[  540.355563][ T8341]  netlink_unicast+0x53b/0x810
[  540.360332][ T8341]  ? netlink_attachskb+0x880/0x880
[  540.365441][ T8341]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  540.371334][ T8341]  ? __phys_addr_symbol+0x30/0x70
[  540.376369][ T8341]  ? __check_object_size+0x323/0x730
[  540.381665][ T8341]  netlink_sendmsg+0x93c/0xe40
[  540.386441][ T8341]  ? netlink_unicast+0x810/0x810
[  540.391398][ T8341]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  540.396683][ T8341]  ? netlink_unicast+0x810/0x810
[  540.401622][ T8341]  __sock_sendmsg+0xd5/0x180
[  540.406213][ T8341]  ____sys_sendmsg+0x6ac/0x940
[  540.410976][ T8341]  ? copy_msghdr_from_user+0x10b/0x160
[  540.416440][ T8341]  ? kernel_sendmsg+0x50/0x50
[  540.421112][ T8341]  ? hlock_class+0x4e/0x130
[  540.425613][ T8341]  ? __lock_acquire+0x14e0/0x3b10
[  540.430644][ T8341]  ___sys_sendmsg+0x135/0x1d0
[  540.435330][ T8341]  ? do_recvmmsg+0x740/0x740
[  540.439919][ T8341]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  540.445902][ T8341]  ? find_held_lock+0x2d/0x110
[  540.450685][ T8341]  ? __fget_light+0x1fc/0x260
[  540.455364][ T8341]  __sys_sendmsg+0x117/0x1e0
[  540.459960][ T8341]  ? __sys_sendmsg_sock+0x30/0x30
[  540.464994][ T8341]  ? xfd_validate_state+0x5d/0x180
[  540.470118][ T8341]  ? syscall_enter_from_user_mode+0x7f/0x120
[  540.476106][ T8341]  do_syscall_64+0x40/0x110
[  540.480629][ T8341]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  540.486528][ T8341] RIP: 0033:0x7ff3fd6020b9
[  540.491023][ T8341] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  540.510629][ T8341] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  540.519047][ T8341] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  540.527034][ T8341] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  540.535000][ T8341] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  540.542963][ T8341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  540.550933][ T8341] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  540.558912][ T8341]  </TASK>
[  540.562857][ T8341] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  540.618196][ T8342] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  540.628264][ T8342] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  540.637404][ T8342] CPU: 0 PID: 8342 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  540.647824][ T8342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  540.657894][ T8342] Call Trace:
[  540.661181][ T8342]  <TASK>
[  540.664129][ T8342]  dump_stack_lvl+0x125/0x1b0
[  540.668801][ T8342]  sysfs_warn_dup+0x7f/0xa0
[  540.673300][ T8342]  sysfs_create_dir_ns+0x249/0x2b0
[  540.678406][ T8342]  ? sysfs_create_mount_point+0xb0/0xb0
[  540.683944][ T8342]  ? spin_bug+0x1d0/0x1d0
[  540.688269][ T8342]  ? net_namespace+0x12/0x40
[  540.692856][ T8342]  ? device_namespace+0x8d/0xc0
[  540.697711][ T8342]  kobject_add_internal+0x2c8/0x970
[  540.702940][ T8342]  kobject_add+0x16f/0x240
[  540.707376][ T8342]  ? kset_create_and_add+0x190/0x190
[  540.712675][ T8342]  ? do_raw_spin_unlock+0x173/0x230
[  540.717874][ T8342]  ? kobject_put+0xbe/0x440
[  540.722380][ T8342]  ? device_add+0xc35/0x1aa0
[  540.726973][ T8342]  device_add+0x289/0x1aa0
[  540.731390][ T8342]  ? device_initialize+0x510/0x510
[  540.736498][ T8342]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  540.743351][ T8342]  ? __init_waitqueue_head+0xca/0x150
[  540.748729][ T8342]  netdev_register_kobject+0x183/0x3f0
[  540.754196][ T8342]  register_netdevice+0xbe6/0x14b0
[  540.759318][ T8342]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  540.765212][ T8342]  ? validate_linkmsg+0x6fc/0x9c0
[  540.770235][ T8342]  br_dev_newlink+0x27/0x110
[  540.774825][ T8342]  ? br_changelink+0x1760/0x1760
[  540.779759][ T8342]  __rtnl_newlink+0x1173/0x1930
[  540.784617][ T8342]  ? rtnl_link_unregister+0x260/0x260
[  540.790009][ T8342]  rtnl_newlink+0x67/0xa0
[  540.794343][ T8342]  ? __rtnl_newlink+0x1930/0x1930
[  540.799367][ T8342]  rtnetlink_rcv_msg+0x3c7/0xe00
[  540.804312][ T8342]  ? rtnl_fill_vf+0x4a0/0x4a0
[  540.809003][ T8342]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  540.814991][ T8342]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  540.820976][ T8342]  netlink_rcv_skb+0x16b/0x440
[  540.825745][ T8342]  ? rtnl_fill_vf+0x4a0/0x4a0
[  540.830425][ T8342]  ? netlink_ack+0x1380/0x1380
[  540.835193][ T8342]  ? lock_sync+0x190/0x190
[  540.839624][ T8342]  ? netlink_deliver_tap+0x1a0/0xd00
[  540.844910][ T8342]  ? _copy_from_iter+0x2c1/0x10f0
[  540.849939][ T8342]  netlink_unicast+0x53b/0x810
[  540.854717][ T8342]  ? netlink_attachskb+0x880/0x880
[  540.859836][ T8342]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  540.865733][ T8342]  ? __phys_addr_symbol+0x30/0x70
[  540.870756][ T8342]  ? __check_object_size+0x323/0x730
[  540.876040][ T8342]  netlink_sendmsg+0x93c/0xe40
[  540.880811][ T8342]  ? netlink_unicast+0x810/0x810
[  540.885752][ T8342]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  540.891035][ T8342]  ? netlink_unicast+0x810/0x810
[  540.895971][ T8342]  __sock_sendmsg+0xd5/0x180
[  540.900559][ T8342]  ____sys_sendmsg+0x6ac/0x940
[  540.905348][ T8342]  ? copy_msghdr_from_user+0x10b/0x160
[  540.910811][ T8342]  ? kernel_sendmsg+0x50/0x50
[  540.915489][ T8342]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  540.921474][ T8342]  ___sys_sendmsg+0x135/0x1d0
[  540.926155][ T8342]  ? do_recvmmsg+0x740/0x740
[  540.930746][ T8342]  ? find_held_lock+0x2d/0x110
[  540.935523][ T8342]  ? preempt_count_sub+0x160/0x160
[  540.940642][ T8342]  ? __fget_light+0x1fc/0x260
[  540.945317][ T8342]  __sys_sendmsg+0x117/0x1e0
[  540.949911][ T8342]  ? __sys_sendmsg_sock+0x30/0x30
[  540.954936][ T8342]  ? xfd_validate_state+0x5d/0x180
[  540.960059][ T8342]  ? syscall_enter_from_user_mode+0x7f/0x120
[  540.966043][ T8342]  do_syscall_64+0x40/0x110
[  540.970545][ T8342]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  540.976440][ T8342] RIP: 0033:0x7ff3fd6020b9
[  540.980846][ T8342] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  541.000458][ T8342] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  541.008872][ T8342] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  541.016842][ T8342] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  541.024833][ T8342] RBP: 0000000000083bdf R08: 0000000000000000 R09: 0000000000000006
[  541.032800][ T8342] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  541.040767][ T8342] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  541.048743][ T8342]  </TASK>
[  541.052150][ T8342] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  541.103505][ T8342] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  541.112713][ T8342] CPU: 0 PID: 8342 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  541.123128][ T8342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  541.133175][ T8342] Call Trace:
[  541.136480][ T8342]  <TASK>
[  541.139410][ T8342]  dump_stack_lvl+0x125/0x1b0
[  541.144086][ T8342]  sysfs_warn_dup+0x7f/0xa0
[  541.148584][ T8342]  sysfs_create_dir_ns+0x249/0x2b0
[  541.153687][ T8342]  ? sysfs_create_mount_point+0xb0/0xb0
[  541.159222][ T8342]  ? spin_bug+0x1d0/0x1d0
[  541.163540][ T8342]  ? net_namespace+0x12/0x40
[  541.168117][ T8342]  ? device_namespace+0x8d/0xc0
[  541.172995][ T8342]  kobject_add_internal+0x2c8/0x970
[  541.178197][ T8342]  kobject_add+0x16f/0x240
[  541.182616][ T8342]  ? kset_create_and_add+0x190/0x190
[  541.187988][ T8342]  ? do_raw_spin_unlock+0x173/0x230
[  541.193180][ T8342]  ? kobject_put+0xbe/0x440
[  541.197682][ T8342]  ? device_add+0xc35/0x1aa0
[  541.202273][ T8342]  device_add+0x289/0x1aa0
[  541.206690][ T8342]  ? device_initialize+0x510/0x510
[  541.211800][ T8342]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  541.218647][ T8342]  ? __init_waitqueue_head+0xca/0x150
[  541.224024][ T8342]  netdev_register_kobject+0x183/0x3f0
[  541.229488][ T8342]  register_netdevice+0xbe6/0x14b0
[  541.234607][ T8342]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  541.240507][ T8342]  ? validate_linkmsg+0x6fc/0x9c0
[  541.245530][ T8342]  br_dev_newlink+0x27/0x110
[  541.250118][ T8342]  ? br_changelink+0x1760/0x1760
[  541.255147][ T8342]  __rtnl_newlink+0x1173/0x1930
[  541.260019][ T8342]  ? rtnl_link_unregister+0x260/0x260
[  541.265414][ T8342]  rtnl_newlink+0x67/0xa0
[  541.269742][ T8342]  ? __rtnl_newlink+0x1930/0x1930
[  541.274768][ T8342]  rtnetlink_rcv_msg+0x3c7/0xe00
[  541.279705][ T8342]  ? rtnl_fill_vf+0x4a0/0x4a0
[  541.284378][ T8342]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  541.290359][ T8342]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  541.296345][ T8342]  netlink_rcv_skb+0x16b/0x440
[  541.301145][ T8342]  ? rtnl_fill_vf+0x4a0/0x4a0
[  541.305840][ T8342]  ? netlink_ack+0x1380/0x1380
[  541.310611][ T8342]  ? lock_sync+0x190/0x190
[  541.315141][ T8342]  ? netlink_deliver_tap+0x1a0/0xd00
[  541.320434][ T8342]  ? _copy_from_iter+0x2c1/0x10f0
[  541.325464][ T8342]  netlink_unicast+0x53b/0x810
[  541.330264][ T8342]  ? netlink_attachskb+0x880/0x880
[  541.335425][ T8342]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  541.341336][ T8342]  ? __phys_addr_symbol+0x30/0x70
[  541.346362][ T8342]  ? __check_object_size+0x323/0x730
[  541.351650][ T8342]  netlink_sendmsg+0x93c/0xe40
[  541.356428][ T8342]  ? netlink_unicast+0x810/0x810
[  541.361369][ T8342]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  541.366653][ T8342]  ? netlink_unicast+0x810/0x810
[  541.371594][ T8342]  __sock_sendmsg+0xd5/0x180
[  541.376182][ T8342]  ____sys_sendmsg+0x6ac/0x940
[  541.380945][ T8342]  ? copy_msghdr_from_user+0x10b/0x160
[  541.386403][ T8342]  ? kernel_sendmsg+0x50/0x50
[  541.391082][ T8342]  ? hlock_class+0x4e/0x130
[  541.395587][ T8342]  ? __lock_acquire+0x14e0/0x3b10
[  541.400617][ T8342]  ___sys_sendmsg+0x135/0x1d0
[  541.405306][ T8342]  ? do_recvmmsg+0x740/0x740
[  541.409918][ T8342]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  541.415907][ T8342]  ? find_held_lock+0x2d/0x110
[  541.420692][ T8342]  ? __fget_light+0x1fc/0x260
[  541.425371][ T8342]  __sys_sendmsg+0x117/0x1e0
[  541.429967][ T8342]  ? __sys_sendmsg_sock+0x30/0x30
[  541.434994][ T8342]  ? __do_sys_rseq+0x750/0x750
[  541.439770][ T8342]  ? syscall_enter_from_user_mode+0x7f/0x120
[  541.445758][ T8342]  do_syscall_64+0x40/0x110
[  541.450266][ T8342]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  541.456167][ T8342] RIP: 0033:0x7ff3fd6020b9
[  541.460579][ T8342] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  541.480197][ T8342] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  541.488648][ T8342] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  541.496622][ T8342] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  541.504594][ T8342] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  541.512565][ T8342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  541.520529][ T8342] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  541.528512][ T8342]  </TASK>
[  541.531911][ T8342] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  541.587898][ T8343] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  541.598048][ T8343] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  541.607289][ T8343] CPU: 0 PID: 8343 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  541.617727][ T8343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  541.627773][ T8343] Call Trace:
[  541.631046][ T8343]  <TASK>
[  541.633966][ T8343]  dump_stack_lvl+0x125/0x1b0
[  541.638641][ T8343]  sysfs_warn_dup+0x7f/0xa0
[  541.643140][ T8343]  sysfs_create_dir_ns+0x249/0x2b0
[  541.648262][ T8343]  ? sysfs_create_mount_point+0xb0/0xb0
[  541.653833][ T8343]  ? spin_bug+0x1d0/0x1d0
[  541.658157][ T8343]  ? net_namespace+0x12/0x40
[  541.662746][ T8343]  ? device_namespace+0x8d/0xc0
[  541.667599][ T8343]  kobject_add_internal+0x2c8/0x970
[  541.672804][ T8343]  kobject_add+0x16f/0x240
[  541.677216][ T8343]  ? kset_create_and_add+0x190/0x190
[  541.682498][ T8343]  ? do_raw_spin_unlock+0x173/0x230
[  541.687690][ T8343]  ? kobject_put+0xbe/0x440
[  541.692192][ T8343]  ? device_add+0xc35/0x1aa0
[  541.696779][ T8343]  device_add+0x289/0x1aa0
[  541.701213][ T8343]  ? device_initialize+0x510/0x510
[  541.706332][ T8343]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  541.713196][ T8343]  ? __init_waitqueue_head+0xca/0x150
[  541.718579][ T8343]  netdev_register_kobject+0x183/0x3f0
[  541.724045][ T8343]  register_netdevice+0xbe6/0x14b0
[  541.729160][ T8343]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  541.735054][ T8343]  ? validate_linkmsg+0x6fc/0x9c0
[  541.740098][ T8343]  br_dev_newlink+0x27/0x110
[  541.744687][ T8343]  ? br_changelink+0x1760/0x1760
[  541.749618][ T8343]  __rtnl_newlink+0x1173/0x1930
[  541.754480][ T8343]  ? rtnl_link_unregister+0x260/0x260
[  541.759895][ T8343]  rtnl_newlink+0x67/0xa0
[  541.764232][ T8343]  ? __rtnl_newlink+0x1930/0x1930
[  541.769255][ T8343]  rtnetlink_rcv_msg+0x3c7/0xe00
[  541.774194][ T8343]  ? rtnl_fill_vf+0x4a0/0x4a0
[  541.778868][ T8343]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  541.784877][ T8343]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  541.790877][ T8343]  netlink_rcv_skb+0x16b/0x440
[  541.795647][ T8343]  ? rtnl_fill_vf+0x4a0/0x4a0
[  541.800321][ T8343]  ? netlink_ack+0x1380/0x1380
[  541.805082][ T8343]  ? lock_sync+0x190/0x190
[  541.809514][ T8343]  ? netlink_deliver_tap+0x1a0/0xd00
[  541.814801][ T8343]  ? _copy_from_iter+0x2c1/0x10f0
[  541.819836][ T8343]  netlink_unicast+0x53b/0x810
[  541.824602][ T8343]  ? netlink_attachskb+0x880/0x880
[  541.829713][ T8343]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  541.835629][ T8343]  ? __phys_addr_symbol+0x30/0x70
[  541.840672][ T8343]  ? __check_object_size+0x323/0x730
[  541.845961][ T8343]  netlink_sendmsg+0x93c/0xe40
[  541.850736][ T8343]  ? netlink_unicast+0x810/0x810
[  541.855711][ T8343]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  541.861011][ T8343]  ? netlink_unicast+0x810/0x810
[  541.865955][ T8343]  __sock_sendmsg+0xd5/0x180
[  541.870548][ T8343]  ____sys_sendmsg+0x6ac/0x940
[  541.875314][ T8343]  ? copy_msghdr_from_user+0x10b/0x160
[  541.880774][ T8343]  ? kernel_sendmsg+0x50/0x50
[  541.885454][ T8343]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  541.891442][ T8343]  ___sys_sendmsg+0x135/0x1d0
[  541.896152][ T8343]  ? do_recvmmsg+0x740/0x740
[  541.900739][ T8343]  ? find_held_lock+0x2d/0x110
[  541.905537][ T8343]  ? preempt_count_sub+0x160/0x160
[  541.910661][ T8343]  ? __fget_light+0x1fc/0x260
[  541.915333][ T8343]  __sys_sendmsg+0x117/0x1e0
[  541.919920][ T8343]  ? __sys_sendmsg_sock+0x30/0x30
[  541.924937][ T8343]  ? xfd_validate_state+0x5d/0x180
[  541.930081][ T8343]  ? syscall_enter_from_user_mode+0x7f/0x120
[  541.936067][ T8343]  do_syscall_64+0x40/0x110
[  541.940565][ T8343]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  541.946460][ T8343] RIP: 0033:0x7ff3fd6020b9
[  541.950880][ T8343] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  541.970482][ T8343] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  541.978893][ T8343] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  541.986861][ T8343] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  541.994825][ T8343] RBP: 0000000000083fb3 R08: 0000000000000000 R09: 0000000000000006
[  542.002787][ T8343] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  542.010752][ T8343] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  542.018726][ T8343]  </TASK>
[  542.022835][ T8343] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  542.073277][ T8343] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  542.082521][ T8343] CPU: 0 PID: 8343 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  542.092959][ T8343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  542.103002][ T8343] Call Trace:
[  542.106267][ T8343]  <TASK>
[  542.109183][ T8343]  dump_stack_lvl+0x125/0x1b0
[  542.113940][ T8343]  sysfs_warn_dup+0x7f/0xa0
[  542.118432][ T8343]  sysfs_create_dir_ns+0x249/0x2b0
[  542.123528][ T8343]  ? sysfs_create_mount_point+0xb0/0xb0
[  542.129062][ T8343]  ? spin_bug+0x1d0/0x1d0
[  542.133394][ T8343]  ? net_namespace+0x12/0x40
[  542.137966][ T8343]  ? device_namespace+0x8d/0xc0
[  542.142811][ T8343]  kobject_add_internal+0x2c8/0x970
[  542.148037][ T8343]  kobject_add+0x16f/0x240
[  542.152451][ T8343]  ? kset_create_and_add+0x190/0x190
[  542.157734][ T8343]  ? do_raw_spin_unlock+0x173/0x230
[  542.162928][ T8343]  ? kobject_put+0xbe/0x440
[  542.167430][ T8343]  ? device_add+0xc35/0x1aa0
[  542.172018][ T8343]  device_add+0x289/0x1aa0
[  542.176430][ T8343]  ? device_initialize+0x510/0x510
[  542.181538][ T8343]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  542.188385][ T8343]  ? __init_waitqueue_head+0xca/0x150
[  542.193762][ T8343]  netdev_register_kobject+0x183/0x3f0
[  542.199223][ T8343]  register_netdevice+0xbe6/0x14b0
[  542.204335][ T8343]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  542.210226][ T8343]  ? validate_linkmsg+0x6fc/0x9c0
[  542.215246][ T8343]  br_dev_newlink+0x27/0x110
[  542.219852][ T8343]  ? br_changelink+0x1760/0x1760
[  542.224782][ T8343]  __rtnl_newlink+0x1173/0x1930
[  542.229639][ T8343]  ? rtnl_link_unregister+0x260/0x260
[  542.235025][ T8343]  rtnl_newlink+0x67/0xa0
[  542.239351][ T8343]  ? __rtnl_newlink+0x1930/0x1930
[  542.244373][ T8343]  rtnetlink_rcv_msg+0x3c7/0xe00
[  542.249329][ T8343]  ? rtnl_fill_vf+0x4a0/0x4a0
[  542.254005][ T8343]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  542.259990][ T8343]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  542.265981][ T8343]  netlink_rcv_skb+0x16b/0x440
[  542.270747][ T8343]  ? rtnl_fill_vf+0x4a0/0x4a0
[  542.275421][ T8343]  ? netlink_ack+0x1380/0x1380
[  542.280183][ T8343]  ? lock_sync+0x190/0x190
[  542.284635][ T8343]  ? netlink_deliver_tap+0x1a0/0xd00
[  542.289940][ T8343]  ? _copy_from_iter+0x2c1/0x10f0
[  542.294979][ T8343]  netlink_unicast+0x53b/0x810
[  542.299756][ T8343]  ? netlink_attachskb+0x880/0x880
[  542.304869][ T8343]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  542.310768][ T8343]  ? __phys_addr_symbol+0x30/0x70
[  542.315793][ T8343]  ? __check_object_size+0x323/0x730
[  542.321079][ T8343]  netlink_sendmsg+0x93c/0xe40
[  542.325851][ T8343]  ? netlink_unicast+0x810/0x810
[  542.330793][ T8343]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  542.336078][ T8343]  ? netlink_unicast+0x810/0x810
[  542.341018][ T8343]  __sock_sendmsg+0xd5/0x180
[  542.345610][ T8343]  ____sys_sendmsg+0x6ac/0x940
[  542.350370][ T8343]  ? copy_msghdr_from_user+0x10b/0x160
[  542.355826][ T8343]  ? kernel_sendmsg+0x50/0x50
[  542.360507][ T8343]  ___sys_sendmsg+0x135/0x1d0
[  542.365188][ T8343]  ? do_recvmmsg+0x740/0x740
[  542.369773][ T8343]  ? find_held_lock+0x2d/0x110
[  542.374541][ T8343]  ? preempt_count_sub+0x160/0x160
[  542.379654][ T8343]  ? __fget_light+0x1fc/0x260
[  542.384325][ T8343]  __sys_sendmsg+0x117/0x1e0
[  542.388915][ T8343]  ? __sys_sendmsg_sock+0x30/0x30
[  542.393949][ T8343]  ? syscall_enter_from_user_mode+0x7f/0x120
[  542.399933][ T8343]  do_syscall_64+0x40/0x110
[  542.404435][ T8343]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  542.410331][ T8343] RIP: 0033:0x7ff3fd6020b9
[  542.414738][ T8343] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  542.434340][ T8343] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  542.442746][ T8343] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  542.450711][ T8343] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  542.458673][ T8343] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  542.466638][ T8343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  542.474601][ T8343] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  542.482573][ T8343]  </TASK>
[  542.486930][ T8343] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  542.547531][ T8344] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  542.557640][ T8344] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  542.566795][ T8344] CPU: 0 PID: 8344 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  542.577215][ T8344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  542.587261][ T8344] Call Trace:
[  542.590532][ T8344]  <TASK>
[  542.593463][ T8344]  dump_stack_lvl+0x125/0x1b0
[  542.598154][ T8344]  sysfs_warn_dup+0x7f/0xa0
[  542.602663][ T8344]  sysfs_create_dir_ns+0x249/0x2b0
[  542.607812][ T8344]  ? sysfs_create_mount_point+0xb0/0xb0
[  542.613370][ T8344]  ? spin_bug+0x1d0/0x1d0
[  542.617697][ T8344]  ? net_namespace+0x12/0x40
[  542.622283][ T8344]  ? device_namespace+0x8d/0xc0
[  542.627135][ T8344]  kobject_add_internal+0x2c8/0x970
[  542.632361][ T8344]  kobject_add+0x16f/0x240
[  542.636796][ T8344]  ? kset_create_and_add+0x190/0x190
[  542.642085][ T8344]  ? do_raw_spin_unlock+0x173/0x230
[  542.647275][ T8344]  ? kobject_put+0xbe/0x440
[  542.651776][ T8344]  ? device_add+0xc35/0x1aa0
[  542.656362][ T8344]  device_add+0x289/0x1aa0
[  542.660774][ T8344]  ? device_initialize+0x510/0x510
[  542.665875][ T8344]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  542.672724][ T8344]  ? __init_waitqueue_head+0xca/0x150
[  542.678118][ T8344]  netdev_register_kobject+0x183/0x3f0
[  542.683591][ T8344]  register_netdevice+0xbe6/0x14b0
[  542.688706][ T8344]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  542.694598][ T8344]  ? validate_linkmsg+0x6fc/0x9c0
[  542.699624][ T8344]  br_dev_newlink+0x27/0x110
[  542.704210][ T8344]  ? br_changelink+0x1760/0x1760
[  542.709143][ T8344]  __rtnl_newlink+0x1173/0x1930
[  542.714000][ T8344]  ? rtnl_link_unregister+0x260/0x260
[  542.719387][ T8344]  rtnl_newlink+0x67/0xa0
[  542.723713][ T8344]  ? __rtnl_newlink+0x1930/0x1930
[  542.728735][ T8344]  rtnetlink_rcv_msg+0x3c7/0xe00
[  542.733674][ T8344]  ? rtnl_fill_vf+0x4a0/0x4a0
[  542.738349][ T8344]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  542.744330][ T8344]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  542.750312][ T8344]  netlink_rcv_skb+0x16b/0x440
[  542.755083][ T8344]  ? rtnl_fill_vf+0x4a0/0x4a0
[  542.759862][ T8344]  ? netlink_ack+0x1380/0x1380
[  542.764625][ T8344]  ? lock_sync+0x190/0x190
[  542.769047][ T8344]  ? netlink_deliver_tap+0x1a0/0xd00
[  542.774359][ T8344]  ? _copy_from_iter+0x2c1/0x10f0
[  542.779388][ T8344]  netlink_unicast+0x53b/0x810
[  542.784154][ T8344]  ? netlink_attachskb+0x880/0x880
[  542.789263][ T8344]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  542.795151][ T8344]  ? __phys_addr_symbol+0x30/0x70
[  542.800174][ T8344]  ? __check_object_size+0x323/0x730
[  542.805457][ T8344]  netlink_sendmsg+0x93c/0xe40
[  542.810224][ T8344]  ? netlink_unicast+0x810/0x810
[  542.815192][ T8344]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  542.820474][ T8344]  ? netlink_unicast+0x810/0x810
[  542.825414][ T8344]  __sock_sendmsg+0xd5/0x180
[  542.829999][ T8344]  ____sys_sendmsg+0x6ac/0x940
[  542.834758][ T8344]  ? copy_msghdr_from_user+0x10b/0x160
[  542.840212][ T8344]  ? kernel_sendmsg+0x50/0x50
[  542.844886][ T8344]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  542.850872][ T8344]  ___sys_sendmsg+0x135/0x1d0
[  542.855580][ T8344]  ? do_recvmmsg+0x740/0x740
[  542.860212][ T8344]  ? find_held_lock+0x2d/0x110
[  542.865001][ T8344]  ? preempt_count_sub+0x160/0x160
[  542.870119][ T8344]  ? __fget_light+0x1fc/0x260
[  542.874797][ T8344]  __sys_sendmsg+0x117/0x1e0
[  542.879388][ T8344]  ? __sys_sendmsg_sock+0x30/0x30
[  542.884409][ T8344]  ? xfd_validate_state+0x5d/0x180
[  542.889535][ T8344]  ? syscall_enter_from_user_mode+0x7f/0x120
[  542.895520][ T8344]  do_syscall_64+0x40/0x110
[  542.900022][ T8344]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  542.905928][ T8344] RIP: 0033:0x7ff3fd6020b9
[  542.910338][ T8344] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  542.929945][ T8344] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  542.938441][ T8344] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  542.946403][ T8344] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  542.954370][ T8344] RBP: 000000000008437d R08: 0000000000000000 R09: 0000000000000006
[  542.962334][ T8344] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  542.970294][ T8344] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  542.978271][ T8344]  </TASK>
[  542.981566][ T8344] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  543.043419][ T8344] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  543.052790][ T8344] CPU: 0 PID: 8344 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  543.063208][ T8344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  543.073260][ T8344] Call Trace:
[  543.076549][ T8344]  <TASK>
[  543.079475][ T8344]  dump_stack_lvl+0x125/0x1b0
[  543.084171][ T8344]  sysfs_warn_dup+0x7f/0xa0
[  543.088665][ T8344]  sysfs_create_dir_ns+0x249/0x2b0
[  543.093783][ T8344]  ? sysfs_create_mount_point+0xb0/0xb0
[  543.099328][ T8344]  ? spin_bug+0x1d0/0x1d0
[  543.103656][ T8344]  ? net_namespace+0x12/0x40
[  543.108246][ T8344]  ? device_namespace+0x8d/0xc0
[  543.113101][ T8344]  kobject_add_internal+0x2c8/0x970
[  543.118311][ T8344]  kobject_add+0x16f/0x240
[  543.122729][ T8344]  ? kset_create_and_add+0x190/0x190
[  543.128015][ T8344]  ? do_raw_spin_unlock+0x173/0x230
[  543.133209][ T8344]  ? kobject_put+0xbe/0x440
[  543.137708][ T8344]  ? device_add+0xc35/0x1aa0
[  543.142332][ T8344]  device_add+0x289/0x1aa0
[  543.146763][ T8344]  ? device_initialize+0x510/0x510
[  543.151872][ T8344]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  543.158757][ T8344]  ? __init_waitqueue_head+0xca/0x150
[  543.164136][ T8344]  netdev_register_kobject+0x183/0x3f0
[  543.169607][ T8344]  register_netdevice+0xbe6/0x14b0
[  543.174729][ T8344]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  543.180627][ T8344]  ? validate_linkmsg+0x6fc/0x9c0
[  543.185692][ T8344]  br_dev_newlink+0x27/0x110
[  543.190286][ T8344]  ? br_changelink+0x1760/0x1760
[  543.195220][ T8344]  __rtnl_newlink+0x1173/0x1930
[  543.200078][ T8344]  ? rtnl_link_unregister+0x260/0x260
[  543.205469][ T8344]  rtnl_newlink+0x67/0xa0
[  543.209797][ T8344]  ? __rtnl_newlink+0x1930/0x1930
[  543.214821][ T8344]  rtnetlink_rcv_msg+0x3c7/0xe00
[  543.219758][ T8344]  ? rtnl_fill_vf+0x4a0/0x4a0
[  543.224436][ T8344]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  543.230422][ T8344]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  543.236413][ T8344]  netlink_rcv_skb+0x16b/0x440
[  543.241182][ T8344]  ? rtnl_fill_vf+0x4a0/0x4a0
[  543.245868][ T8344]  ? netlink_ack+0x1380/0x1380
[  543.250633][ T8344]  ? lock_sync+0x190/0x190
[  543.255094][ T8344]  ? netlink_deliver_tap+0x1a0/0xd00
[  543.260380][ T8344]  ? _copy_from_iter+0x2c1/0x10f0
[  543.265413][ T8344]  netlink_unicast+0x53b/0x810
[  543.270183][ T8344]  ? netlink_attachskb+0x880/0x880
[  543.275296][ T8344]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  543.281190][ T8344]  ? __phys_addr_symbol+0x30/0x70
[  543.286209][ T8344]  ? __check_object_size+0x323/0x730
[  543.291493][ T8344]  netlink_sendmsg+0x93c/0xe40
[  543.296263][ T8344]  ? netlink_unicast+0x810/0x810
[  543.301203][ T8344]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  543.306483][ T8344]  ? netlink_unicast+0x810/0x810
[  543.311443][ T8344]  __sock_sendmsg+0xd5/0x180
[  543.316029][ T8344]  ____sys_sendmsg+0x6ac/0x940
[  543.320790][ T8344]  ? copy_msghdr_from_user+0x10b/0x160
[  543.326244][ T8344]  ? kernel_sendmsg+0x50/0x50
[  543.330923][ T8344]  ___sys_sendmsg+0x135/0x1d0
[  543.335602][ T8344]  ? do_recvmmsg+0x740/0x740
[  543.340192][ T8344]  ? find_held_lock+0x2d/0x110
[  543.344965][ T8344]  ? preempt_count_sub+0x160/0x160
[  543.350082][ T8344]  ? __fget_light+0x1fc/0x260
[  543.354763][ T8344]  __sys_sendmsg+0x117/0x1e0
[  543.359383][ T8344]  ? __sys_sendmsg_sock+0x30/0x30
[  543.364416][ T8344]  ? syscall_enter_from_user_mode+0x7f/0x120
[  543.370399][ T8344]  do_syscall_64+0x40/0x110
[  543.374903][ T8344]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  543.380825][ T8344] RIP: 0033:0x7ff3fd6020b9
[  543.385232][ T8344] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  543.404900][ T8344] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  543.413315][ T8344] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  543.421316][ T8344] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  543.429279][ T8344] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  543.437242][ T8344] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  543.445207][ T8344] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  543.453182][ T8344]  </TASK>
[  543.456919][ T8344] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  543.536835][ T8345] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  543.547019][ T8345] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  543.556209][ T8345] CPU: 1 PID: 8345 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  543.566633][ T8345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  543.576687][ T8345] Call Trace:
[  543.579960][ T8345]  <TASK>
[  543.582888][ T8345]  dump_stack_lvl+0x125/0x1b0
[  543.587563][ T8345]  sysfs_warn_dup+0x7f/0xa0
[  543.592065][ T8345]  sysfs_create_dir_ns+0x249/0x2b0
[  543.597177][ T8345]  ? sysfs_create_mount_point+0xb0/0xb0
[  543.602766][ T8345]  ? spin_bug+0x1d0/0x1d0
[  543.607119][ T8345]  ? net_namespace+0x12/0x40
[  543.611708][ T8345]  ? device_namespace+0x8d/0xc0
[  543.616556][ T8345]  kobject_add_internal+0x2c8/0x970
[  543.621781][ T8345]  kobject_add+0x16f/0x240
[  543.626193][ T8345]  ? kset_create_and_add+0x190/0x190
[  543.631479][ T8345]  ? do_raw_spin_unlock+0x173/0x230
[  543.636700][ T8345]  ? kobject_put+0xbe/0x440
[  543.641211][ T8345]  ? device_add+0xc35/0x1aa0
[  543.645808][ T8345]  device_add+0x289/0x1aa0
[  543.650227][ T8345]  ? device_initialize+0x510/0x510
[  543.655338][ T8345]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  543.662187][ T8345]  ? __init_waitqueue_head+0xca/0x150
[  543.667561][ T8345]  netdev_register_kobject+0x183/0x3f0
[  543.673025][ T8345]  register_netdevice+0xbe6/0x14b0
[  543.678140][ T8345]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  543.684044][ T8345]  ? validate_linkmsg+0x6fc/0x9c0
[  543.689070][ T8345]  br_dev_newlink+0x27/0x110
[  543.693656][ T8345]  ? br_changelink+0x1760/0x1760
[  543.698590][ T8345]  __rtnl_newlink+0x1173/0x1930
[  543.703444][ T8345]  ? rtnl_link_unregister+0x260/0x260
[  543.708827][ T8345]  rtnl_newlink+0x67/0xa0
[  543.713154][ T8345]  ? __rtnl_newlink+0x1930/0x1930
[  543.718171][ T8345]  rtnetlink_rcv_msg+0x3c7/0xe00
[  543.723105][ T8345]  ? rtnl_fill_vf+0x4a0/0x4a0
[  543.727788][ T8345]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  543.733769][ T8345]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  543.739752][ T8345]  netlink_rcv_skb+0x16b/0x440
[  543.744514][ T8345]  ? rtnl_fill_vf+0x4a0/0x4a0
[  543.749191][ T8345]  ? netlink_ack+0x1380/0x1380
[  543.753955][ T8345]  ? lock_sync+0x190/0x190
[  543.758414][ T8345]  ? netlink_deliver_tap+0x1a0/0xd00
[  543.763714][ T8345]  ? _copy_from_iter+0x2c1/0x10f0
[  543.768737][ T8345]  netlink_unicast+0x53b/0x810
[  543.773502][ T8345]  ? netlink_attachskb+0x880/0x880
[  543.778608][ T8345]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  543.784494][ T8345]  ? __phys_addr_symbol+0x30/0x70
[  543.789516][ T8345]  ? __check_object_size+0x323/0x730
[  543.794827][ T8345]  netlink_sendmsg+0x93c/0xe40
[  543.799595][ T8345]  ? netlink_unicast+0x810/0x810
[  543.804530][ T8345]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  543.809807][ T8345]  ? netlink_unicast+0x810/0x810
[  543.814741][ T8345]  __sock_sendmsg+0xd5/0x180
[  543.819354][ T8345]  ____sys_sendmsg+0x6ac/0x940
[  543.824109][ T8345]  ? copy_msghdr_from_user+0x10b/0x160
[  543.829572][ T8345]  ? kernel_sendmsg+0x50/0x50
[  543.834256][ T8345]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  543.840231][ T8345]  ___sys_sendmsg+0x135/0x1d0
[  543.844903][ T8345]  ? do_recvmmsg+0x740/0x740
[  543.849486][ T8345]  ? find_held_lock+0x2d/0x110
[  543.854266][ T8345]  ? preempt_count_sub+0x160/0x160
[  543.859379][ T8345]  ? __fget_light+0x1fc/0x260
[  543.864065][ T8345]  __sys_sendmsg+0x117/0x1e0
[  543.868672][ T8345]  ? __sys_sendmsg_sock+0x30/0x30
[  543.873700][ T8345]  ? syscall_enter_from_user_mode+0x7f/0x120
[  543.879685][ T8345]  do_syscall_64+0x40/0x110
[  543.884183][ T8345]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  543.890074][ T8345] RIP: 0033:0x7ff3fd6020b9
[  543.894481][ T8345] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  543.914087][ T8345] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  543.922494][ T8345] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  543.930462][ T8345] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  543.938437][ T8345] RBP: 000000000008473d R08: 0000000000000000 R09: 0000000000000006
[  543.946426][ T8345] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  543.954477][ T8345] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  543.962474][ T8345]  </TASK>
[  543.967327][ T8345] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  544.033373][ T8345] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  544.042662][ T8345] CPU: 0 PID: 8345 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  544.053100][ T8345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  544.063149][ T8345] Call Trace:
[  544.066425][ T8345]  <TASK>
[  544.069374][ T8345]  dump_stack_lvl+0x125/0x1b0
[  544.074048][ T8345]  sysfs_warn_dup+0x7f/0xa0
[  544.078547][ T8345]  sysfs_create_dir_ns+0x249/0x2b0
[  544.083653][ T8345]  ? sysfs_create_mount_point+0xb0/0xb0
[  544.089190][ T8345]  ? spin_bug+0x1d0/0x1d0
[  544.093510][ T8345]  ? net_namespace+0x12/0x40
[  544.098093][ T8345]  ? device_namespace+0x8d/0xc0
[  544.102939][ T8345]  kobject_add_internal+0x2c8/0x970
[  544.108131][ T8345]  kobject_add+0x16f/0x240
[  544.112552][ T8345]  ? kset_create_and_add+0x190/0x190
[  544.117833][ T8345]  ? do_raw_spin_unlock+0x173/0x230
[  544.123023][ T8345]  ? kobject_put+0xbe/0x440
[  544.127525][ T8345]  ? device_add+0xc35/0x1aa0
[  544.132111][ T8345]  device_add+0x289/0x1aa0
[  544.136530][ T8345]  ? device_initialize+0x510/0x510
[  544.141636][ T8345]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  544.148477][ T8345]  ? __init_waitqueue_head+0xca/0x150
[  544.153850][ T8345]  netdev_register_kobject+0x183/0x3f0
[  544.159314][ T8345]  register_netdevice+0xbe6/0x14b0
[  544.164450][ T8345]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  544.170337][ T8345]  ? validate_linkmsg+0x6fc/0x9c0
[  544.175351][ T8345]  br_dev_newlink+0x27/0x110
[  544.179934][ T8345]  ? br_changelink+0x1760/0x1760
[  544.184865][ T8345]  __rtnl_newlink+0x1173/0x1930
[  544.189720][ T8345]  ? rtnl_link_unregister+0x260/0x260
[  544.195092][ T8345]  rtnl_newlink+0x67/0xa0
[  544.199421][ T8345]  ? __rtnl_newlink+0x1930/0x1930
[  544.204438][ T8345]  rtnetlink_rcv_msg+0x3c7/0xe00
[  544.209384][ T8345]  ? rtnl_fill_vf+0x4a0/0x4a0
[  544.214066][ T8345]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  544.220039][ T8345]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  544.226028][ T8345]  netlink_rcv_skb+0x16b/0x440
[  544.230816][ T8345]  ? rtnl_fill_vf+0x4a0/0x4a0
[  544.235484][ T8345]  ? netlink_ack+0x1380/0x1380
[  544.240242][ T8345]  ? lock_sync+0x190/0x190
[  544.244659][ T8345]  ? netlink_deliver_tap+0x1a0/0xd00
[  544.249937][ T8345]  ? _copy_from_iter+0x2c1/0x10f0
[  544.254969][ T8345]  netlink_unicast+0x53b/0x810
[  544.259734][ T8345]  ? netlink_attachskb+0x880/0x880
[  544.264847][ T8345]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  544.270742][ T8345]  ? __phys_addr_symbol+0x30/0x70
[  544.275759][ T8345]  ? __check_object_size+0x323/0x730
[  544.281035][ T8345]  netlink_sendmsg+0x93c/0xe40
[  544.285795][ T8345]  ? netlink_unicast+0x810/0x810
[  544.290738][ T8345]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  544.296031][ T8345]  ? netlink_unicast+0x810/0x810
[  544.300962][ T8345]  __sock_sendmsg+0xd5/0x180
[  544.305542][ T8345]  ____sys_sendmsg+0x6ac/0x940
[  544.310293][ T8345]  ? copy_msghdr_from_user+0x10b/0x160
[  544.315743][ T8345]  ? kernel_sendmsg+0x50/0x50
[  544.320415][ T8345]  ___sys_sendmsg+0x135/0x1d0
[  544.325088][ T8345]  ? do_recvmmsg+0x740/0x740
[  544.329674][ T8345]  ? find_held_lock+0x2d/0x110
[  544.334432][ T8345]  ? preempt_count_sub+0x160/0x160
[  544.339542][ T8345]  ? __fget_light+0x1fc/0x260
[  544.344211][ T8345]  __sys_sendmsg+0x117/0x1e0
[  544.348971][ T8345]  ? __sys_sendmsg_sock+0x30/0x30
[  544.353998][ T8345]  ? syscall_enter_from_user_mode+0x7f/0x120
[  544.359974][ T8345]  do_syscall_64+0x40/0x110
[  544.364472][ T8345]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  544.370358][ T8345] RIP: 0033:0x7ff3fd6020b9
[  544.374764][ T8345] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  544.394366][ T8345] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  544.402794][ T8345] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  544.410782][ T8345] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  544.418747][ T8345] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  544.426708][ T8345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  544.434674][ T8345] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  544.442676][ T8345]  </TASK>
[  544.446246][ T8345] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  544.518474][ T8346] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  544.528621][ T8346] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  544.537809][ T8346] CPU: 1 PID: 8346 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  544.548233][ T8346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  544.558274][ T8346] Call Trace:
[  544.561545][ T8346]  <TASK>
[  544.564470][ T8346]  dump_stack_lvl+0x125/0x1b0
[  544.569154][ T8346]  sysfs_warn_dup+0x7f/0xa0
[  544.573647][ T8346]  sysfs_create_dir_ns+0x249/0x2b0
[  544.578747][ T8346]  ? sysfs_create_mount_point+0xb0/0xb0
[  544.584299][ T8346]  ? spin_bug+0x1d0/0x1d0
[  544.588618][ T8346]  ? net_namespace+0x12/0x40
[  544.593201][ T8346]  ? device_namespace+0x8d/0xc0
[  544.598079][ T8346]  kobject_add_internal+0x2c8/0x970
[  544.603275][ T8346]  kobject_add+0x16f/0x240
[  544.607693][ T8346]  ? kset_create_and_add+0x190/0x190
[  544.612970][ T8346]  ? do_raw_spin_unlock+0x173/0x230
[  544.618159][ T8346]  ? kobject_put+0xbe/0x440
[  544.622654][ T8346]  ? device_add+0xc35/0x1aa0
[  544.627278][ T8346]  device_add+0x289/0x1aa0
[  544.631696][ T8346]  ? device_initialize+0x510/0x510
[  544.636797][ T8346]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  544.643641][ T8346]  ? __init_waitqueue_head+0xca/0x150
[  544.649009][ T8346]  netdev_register_kobject+0x183/0x3f0
[  544.654479][ T8346]  register_netdevice+0xbe6/0x14b0
[  544.659606][ T8346]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  544.665488][ T8346]  ? validate_linkmsg+0x6fc/0x9c0
[  544.670517][ T8346]  br_dev_newlink+0x27/0x110
[  544.675104][ T8346]  ? br_changelink+0x1760/0x1760
[  544.680027][ T8346]  __rtnl_newlink+0x1173/0x1930
[  544.684875][ T8346]  ? rtnl_link_unregister+0x260/0x260
[  544.690247][ T8346]  rtnl_newlink+0x67/0xa0
[  544.694569][ T8346]  ? __rtnl_newlink+0x1930/0x1930
[  544.699585][ T8346]  rtnetlink_rcv_msg+0x3c7/0xe00
[  544.704512][ T8346]  ? rtnl_fill_vf+0x4a0/0x4a0
[  544.709180][ T8346]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  544.715154][ T8346]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  544.721130][ T8346]  netlink_rcv_skb+0x16b/0x440
[  544.725898][ T8346]  ? rtnl_fill_vf+0x4a0/0x4a0
[  544.730571][ T8346]  ? netlink_ack+0x1380/0x1380
[  544.735333][ T8346]  ? lock_sync+0x190/0x190
[  544.739763][ T8346]  ? netlink_deliver_tap+0x1a0/0xd00
[  544.745038][ T8346]  ? _copy_from_iter+0x2c1/0x10f0
[  544.750052][ T8346]  netlink_unicast+0x53b/0x810
[  544.754811][ T8346]  ? netlink_attachskb+0x880/0x880
[  544.759910][ T8346]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  544.765788][ T8346]  ? __phys_addr_symbol+0x30/0x70
[  544.770797][ T8346]  ? __check_object_size+0x323/0x730
[  544.776070][ T8346]  netlink_sendmsg+0x93c/0xe40
[  544.780826][ T8346]  ? netlink_unicast+0x810/0x810
[  544.785753][ T8346]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  544.791025][ T8346]  ? netlink_unicast+0x810/0x810
[  544.795951][ T8346]  __sock_sendmsg+0xd5/0x180
[  544.800529][ T8346]  ____sys_sendmsg+0x6ac/0x940
[  544.805285][ T8346]  ? copy_msghdr_from_user+0x10b/0x160
[  544.810752][ T8346]  ? kernel_sendmsg+0x50/0x50
[  544.815435][ T8346]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  544.821454][ T8346]  ___sys_sendmsg+0x135/0x1d0
[  544.826129][ T8346]  ? do_recvmmsg+0x740/0x740
[  544.832702][ T8346]  ? find_held_lock+0x2d/0x110
[  544.837460][ T8346]  ? preempt_count_sub+0x160/0x160
[  544.842572][ T8346]  ? __fget_light+0x1fc/0x260
[  544.847249][ T8346]  __sys_sendmsg+0x117/0x1e0
[  544.851846][ T8346]  ? __sys_sendmsg_sock+0x30/0x30
[  544.856883][ T8346]  ? xfd_validate_state+0x5d/0x180
[  544.862436][ T8346]  ? syscall_enter_from_user_mode+0x7f/0x120
[  544.868409][ T8346]  do_syscall_64+0x40/0x110
[  544.872902][ T8346]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  544.878799][ T8346] RIP: 0033:0x7ff3fd6020b9
[  544.883219][ T8346] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  544.902832][ T8346] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  544.911233][ T8346] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  544.919195][ T8346] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  544.927152][ T8346] RBP: 0000000000084b1a R08: 0000000000000000 R09: 0000000000000006
[  544.935109][ T8346] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  544.943075][ T8346] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  544.951067][ T8346]  </TASK>
[  544.955685][ T8346] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  545.023446][ T8346] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  545.032701][ T8346] CPU: 0 PID: 8346 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  545.043224][ T8346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  545.053260][ T8346] Call Trace:
[  545.056520][ T8346]  <TASK>
[  545.059431][ T8346]  dump_stack_lvl+0x125/0x1b0
[  545.064101][ T8346]  sysfs_warn_dup+0x7f/0xa0
[  545.068774][ T8346]  sysfs_create_dir_ns+0x249/0x2b0
[  545.073886][ T8346]  ? sysfs_create_mount_point+0xb0/0xb0
[  545.079434][ T8346]  ? spin_bug+0x1d0/0x1d0
[  545.083757][ T8346]  ? net_namespace+0x12/0x40
[  545.088692][ T8346]  ? device_namespace+0x8d/0xc0
[  545.093543][ T8346]  kobject_add_internal+0x2c8/0x970
[  545.098755][ T8346]  kobject_add+0x16f/0x240
[  545.103169][ T8346]  ? kset_create_and_add+0x190/0x190
[  545.108449][ T8346]  ? do_raw_spin_unlock+0x173/0x230
[  545.113681][ T8346]  ? kobject_put+0xbe/0x440
[  545.118180][ T8346]  ? device_add+0xc35/0x1aa0
[  545.122785][ T8346]  device_add+0x289/0x1aa0
[  545.127199][ T8346]  ? device_initialize+0x510/0x510
[  545.132326][ T8346]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  545.139171][ T8346]  ? __init_waitqueue_head+0xca/0x150
[  545.144637][ T8346]  netdev_register_kobject+0x183/0x3f0
[  545.150103][ T8346]  register_netdevice+0xbe6/0x14b0
[  545.155216][ T8346]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  545.161109][ T8346]  ? validate_linkmsg+0x6fc/0x9c0
[  545.166141][ T8346]  br_dev_newlink+0x27/0x110
[  545.170758][ T8346]  ? br_changelink+0x1760/0x1760
[  545.175707][ T8346]  __rtnl_newlink+0x1173/0x1930
[  545.180599][ T8346]  ? rtnl_link_unregister+0x260/0x260
[  545.186002][ T8346]  rtnl_newlink+0x67/0xa0
[  545.190332][ T8346]  ? __rtnl_newlink+0x1930/0x1930
[  545.195353][ T8346]  rtnetlink_rcv_msg+0x3c7/0xe00
[  545.200289][ T8346]  ? rtnl_fill_vf+0x4a0/0x4a0
[  545.204967][ T8346]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  545.210952][ T8346]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  545.216942][ T8346]  netlink_rcv_skb+0x16b/0x440
[  545.221709][ T8346]  ? rtnl_fill_vf+0x4a0/0x4a0
[  545.226383][ T8346]  ? netlink_ack+0x1380/0x1380
[  545.231154][ T8346]  ? lock_sync+0x190/0x190
[  545.235585][ T8346]  ? netlink_deliver_tap+0x1a0/0xd00
[  545.240874][ T8346]  ? _copy_from_iter+0x2c1/0x10f0
[  545.245904][ T8346]  netlink_unicast+0x53b/0x810
[  545.250675][ T8346]  ? netlink_attachskb+0x880/0x880
[  545.255790][ T8346]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  545.261682][ T8346]  ? __phys_addr_symbol+0x30/0x70
[  545.266728][ T8346]  ? __check_object_size+0x323/0x730
[  545.272010][ T8346]  netlink_sendmsg+0x93c/0xe40
[  545.276780][ T8346]  ? netlink_unicast+0x810/0x810
[  545.281720][ T8346]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  545.287030][ T8346]  ? netlink_unicast+0x810/0x810
[  545.291983][ T8346]  __sock_sendmsg+0xd5/0x180
[  545.296577][ T8346]  ____sys_sendmsg+0x6ac/0x940
[  545.301336][ T8346]  ? copy_msghdr_from_user+0x10b/0x160
[  545.306794][ T8346]  ? kernel_sendmsg+0x50/0x50
[  545.311496][ T8346]  ___sys_sendmsg+0x135/0x1d0
[  545.316179][ T8346]  ? do_recvmmsg+0x740/0x740
[  545.320777][ T8346]  ? find_held_lock+0x2d/0x110
[  545.325550][ T8346]  ? preempt_count_sub+0x160/0x160
[  545.330669][ T8346]  ? __fget_light+0x1fc/0x260
[  545.335340][ T8346]  __sys_sendmsg+0x117/0x1e0
[  545.339926][ T8346]  ? __sys_sendmsg_sock+0x30/0x30
[  545.344956][ T8346]  ? syscall_enter_from_user_mode+0x7f/0x120
[  545.350967][ T8346]  do_syscall_64+0x40/0x110
[  545.355467][ T8346]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  545.361360][ T8346] RIP: 0033:0x7ff3fd6020b9
[  545.365768][ T8346] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  545.385369][ T8346] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  545.393773][ T8346] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  545.401746][ T8346] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  545.409709][ T8346] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  545.417672][ T8346] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  545.425635][ T8346] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  545.433609][ T8346]  </TASK>
[  545.436810][ T8346] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  545.488660][ T8347] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  545.498753][ T8347] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  545.507917][ T8347] CPU: 0 PID: 8347 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  545.518338][ T8347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  545.528383][ T8347] Call Trace:
[  545.531657][ T8347]  <TASK>
[  545.534576][ T8347]  dump_stack_lvl+0x125/0x1b0
[  545.539254][ T8347]  sysfs_warn_dup+0x7f/0xa0
[  545.543770][ T8347]  sysfs_create_dir_ns+0x249/0x2b0
[  545.548873][ T8347]  ? sysfs_create_mount_point+0xb0/0xb0
[  545.554407][ T8347]  ? spin_bug+0x1d0/0x1d0
[  545.558724][ T8347]  ? net_namespace+0x12/0x40
[  545.563308][ T8347]  ? device_namespace+0x8d/0xc0
[  545.568163][ T8347]  kobject_add_internal+0x2c8/0x970
[  545.573363][ T8347]  kobject_add+0x16f/0x240
[  545.577775][ T8347]  ? kset_create_and_add+0x190/0x190
[  545.583058][ T8347]  ? do_raw_spin_unlock+0x173/0x230
[  545.588251][ T8347]  ? kobject_put+0xbe/0x440
[  545.592751][ T8347]  ? device_add+0xc35/0x1aa0
[  545.597338][ T8347]  device_add+0x289/0x1aa0
[  545.601752][ T8347]  ? device_initialize+0x510/0x510
[  545.606861][ T8347]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  545.613717][ T8347]  ? __init_waitqueue_head+0xca/0x150
[  545.619095][ T8347]  netdev_register_kobject+0x183/0x3f0
[  545.624559][ T8347]  register_netdevice+0xbe6/0x14b0
[  545.629676][ T8347]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  545.635572][ T8347]  ? validate_linkmsg+0x6fc/0x9c0
[  545.640606][ T8347]  br_dev_newlink+0x27/0x110
[  545.645197][ T8347]  ? br_changelink+0x1760/0x1760
[  545.650126][ T8347]  __rtnl_newlink+0x1173/0x1930
[  545.654982][ T8347]  ? rtnl_link_unregister+0x260/0x260
[  545.660367][ T8347]  rtnl_newlink+0x67/0xa0
[  545.664695][ T8347]  ? __rtnl_newlink+0x1930/0x1930
[  545.669715][ T8347]  rtnetlink_rcv_msg+0x3c7/0xe00
[  545.674655][ T8347]  ? rtnl_fill_vf+0x4a0/0x4a0
[  545.679327][ T8347]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  545.685307][ T8347]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  545.691296][ T8347]  netlink_rcv_skb+0x16b/0x440
[  545.696059][ T8347]  ? rtnl_fill_vf+0x4a0/0x4a0
[  545.700731][ T8347]  ? netlink_ack+0x1380/0x1380
[  545.705492][ T8347]  ? lock_sync+0x190/0x190
[  545.709920][ T8347]  ? netlink_deliver_tap+0x1a0/0xd00
[  545.715202][ T8347]  ? _copy_from_iter+0x2c1/0x10f0
[  545.720230][ T8347]  netlink_unicast+0x53b/0x810
[  545.725015][ T8347]  ? netlink_attachskb+0x880/0x880
[  545.730144][ T8347]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  545.736033][ T8347]  ? __phys_addr_symbol+0x30/0x70
[  545.741054][ T8347]  ? __check_object_size+0x323/0x730
[  545.746336][ T8347]  netlink_sendmsg+0x93c/0xe40
[  545.751105][ T8347]  ? netlink_unicast+0x810/0x810
[  545.756043][ T8347]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  545.761323][ T8347]  ? netlink_unicast+0x810/0x810
[  545.766257][ T8347]  __sock_sendmsg+0xd5/0x180
[  545.770844][ T8347]  ____sys_sendmsg+0x6ac/0x940
[  545.775605][ T8347]  ? copy_msghdr_from_user+0x10b/0x160
[  545.781061][ T8347]  ? kernel_sendmsg+0x50/0x50
[  545.785737][ T8347]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  545.791723][ T8347]  ___sys_sendmsg+0x135/0x1d0
[  545.796402][ T8347]  ? do_recvmmsg+0x740/0x740
[  545.800989][ T8347]  ? find_held_lock+0x2d/0x110
[  545.805758][ T8347]  ? preempt_count_sub+0x160/0x160
[  545.810873][ T8347]  ? __fget_light+0x1fc/0x260
[  545.815550][ T8347]  __sys_sendmsg+0x117/0x1e0
[  545.820139][ T8347]  ? __sys_sendmsg_sock+0x30/0x30
[  545.825174][ T8347]  ? syscall_enter_from_user_mode+0x7f/0x120
[  545.831159][ T8347]  do_syscall_64+0x40/0x110
[  545.835657][ T8347]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  545.841550][ T8347] RIP: 0033:0x7ff3fd6020b9
[  545.845953][ T8347] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  545.865554][ T8347] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  545.873961][ T8347] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  545.881924][ T8347] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  545.889884][ T8347] RBP: 0000000000084ef0 R08: 0000000000000000 R09: 0000000000000006
[  545.897847][ T8347] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  545.905808][ T8347] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  545.913778][ T8347]  </TASK>
[  545.917063][ T8347] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  545.973366][ T8347] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  545.982544][ T8347] CPU: 0 PID: 8347 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  545.992959][ T8347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  546.002998][ T8347] Call Trace:
[  546.006268][ T8347]  <TASK>
[  546.009187][ T8347]  dump_stack_lvl+0x125/0x1b0
[  546.013857][ T8347]  sysfs_warn_dup+0x7f/0xa0
[  546.018353][ T8347]  sysfs_create_dir_ns+0x249/0x2b0
[  546.023456][ T8347]  ? sysfs_create_mount_point+0xb0/0xb0
[  546.028992][ T8347]  ? spin_bug+0x1d0/0x1d0
[  546.033309][ T8347]  ? net_namespace+0x12/0x40
[  546.037889][ T8347]  ? device_namespace+0x8d/0xc0
[  546.042738][ T8347]  kobject_add_internal+0x2c8/0x970
[  546.047940][ T8347]  kobject_add+0x16f/0x240
[  546.052358][ T8347]  ? kset_create_and_add+0x190/0x190
[  546.057646][ T8347]  ? do_raw_spin_unlock+0x173/0x230
[  546.062839][ T8347]  ? kobject_put+0xbe/0x440
[  546.067339][ T8347]  ? device_add+0xc35/0x1aa0
[  546.071931][ T8347]  device_add+0x289/0x1aa0
[  546.076366][ T8347]  ? device_initialize+0x510/0x510
[  546.081469][ T8347]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  546.088320][ T8347]  ? __init_waitqueue_head+0xca/0x150
[  546.093694][ T8347]  netdev_register_kobject+0x183/0x3f0
[  546.099155][ T8347]  register_netdevice+0xbe6/0x14b0
[  546.104267][ T8347]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  546.110158][ T8347]  ? validate_linkmsg+0x6fc/0x9c0
[  546.115179][ T8347]  br_dev_newlink+0x27/0x110
[  546.119771][ T8347]  ? br_changelink+0x1760/0x1760
[  546.124700][ T8347]  __rtnl_newlink+0x1173/0x1930
[  546.129557][ T8347]  ? rtnl_link_unregister+0x260/0x260
[  546.134949][ T8347]  rtnl_newlink+0x67/0xa0
[  546.139278][ T8347]  ? __rtnl_newlink+0x1930/0x1930
[  546.144299][ T8347]  rtnetlink_rcv_msg+0x3c7/0xe00
[  546.149237][ T8347]  ? rtnl_fill_vf+0x4a0/0x4a0
[  546.153913][ T8347]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  546.159920][ T8347]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  546.165905][ T8347]  netlink_rcv_skb+0x16b/0x440
[  546.170677][ T8347]  ? rtnl_fill_vf+0x4a0/0x4a0
[  546.175348][ T8347]  ? netlink_ack+0x1380/0x1380
[  546.180108][ T8347]  ? lock_sync+0x190/0x190
[  546.184538][ T8347]  ? netlink_deliver_tap+0x1a0/0xd00
[  546.189858][ T8347]  ? _copy_from_iter+0x2c1/0x10f0
[  546.194905][ T8347]  netlink_unicast+0x53b/0x810
[  546.199688][ T8347]  ? netlink_attachskb+0x880/0x880
[  546.204809][ T8347]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  546.210711][ T8347]  ? __phys_addr_symbol+0x30/0x70
[  546.215742][ T8347]  ? __check_object_size+0x323/0x730
[  546.221033][ T8347]  netlink_sendmsg+0x93c/0xe40
[  546.225811][ T8347]  ? netlink_unicast+0x810/0x810
[  546.230761][ T8347]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  546.236047][ T8347]  ? netlink_unicast+0x810/0x810
[  546.240987][ T8347]  __sock_sendmsg+0xd5/0x180
[  546.245575][ T8347]  ____sys_sendmsg+0x6ac/0x940
[  546.250363][ T8347]  ? copy_msghdr_from_user+0x10b/0x160
[  546.255837][ T8347]  ? kernel_sendmsg+0x50/0x50
[  546.260515][ T8347]  ? hlock_class+0x4e/0x130
[  546.265024][ T8347]  ? __lock_acquire+0x14e0/0x3b10
[  546.270053][ T8347]  ___sys_sendmsg+0x135/0x1d0
[  546.274750][ T8347]  ? do_recvmmsg+0x740/0x740
[  546.279335][ T8347]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  546.285319][ T8347]  ? find_held_lock+0x2d/0x110
[  546.290096][ T8347]  ? __fget_light+0x1fc/0x260
[  546.294767][ T8347]  __sys_sendmsg+0x117/0x1e0
[  546.299356][ T8347]  ? __sys_sendmsg_sock+0x30/0x30
[  546.304379][ T8347]  ? __do_sys_rseq+0x750/0x750
[  546.309152][ T8347]  ? syscall_enter_from_user_mode+0x7f/0x120
[  546.315568][ T8347]  do_syscall_64+0x40/0x110
[  546.320067][ T8347]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  546.325958][ T8347] RIP: 0033:0x7ff3fd6020b9
[  546.330363][ T8347] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  546.349985][ T8347] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  546.358390][ T8347] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  546.366354][ T8347] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  546.374315][ T8347] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  546.382276][ T8347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  546.390235][ T8347] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  546.398207][ T8347]  </TASK>
[  546.401652][ T8347] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.457533][ T8348] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  546.467660][ T8348] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  546.476844][ T8348] CPU: 1 PID: 8348 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  546.487263][ T8348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  546.497320][ T8348] Call Trace:
[  546.500613][ T8348]  <TASK>
[  546.503558][ T8348]  dump_stack_lvl+0x125/0x1b0
[  546.508230][ T8348]  sysfs_warn_dup+0x7f/0xa0
[  546.512750][ T8348]  sysfs_create_dir_ns+0x249/0x2b0
[  546.517879][ T8348]  ? sysfs_create_mount_point+0xb0/0xb0
[  546.523416][ T8348]  ? spin_bug+0x1d0/0x1d0
[  546.527739][ T8348]  ? net_namespace+0x12/0x40
[  546.532318][ T8348]  ? device_namespace+0x8d/0xc0
[  546.537164][ T8348]  kobject_add_internal+0x2c8/0x970
[  546.542359][ T8348]  kobject_add+0x16f/0x240
[  546.546784][ T8348]  ? kset_create_and_add+0x190/0x190
[  546.552078][ T8348]  ? do_raw_spin_unlock+0x173/0x230
[  546.557262][ T8348]  ? kobject_put+0xbe/0x440
[  546.561795][ T8348]  ? device_add+0xc35/0x1aa0
[  546.566394][ T8348]  device_add+0x289/0x1aa0
[  546.570819][ T8348]  ? device_initialize+0x510/0x510
[  546.575932][ T8348]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  546.582785][ T8348]  ? __init_waitqueue_head+0xca/0x150
[  546.588153][ T8348]  netdev_register_kobject+0x183/0x3f0
[  546.593618][ T8348]  register_netdevice+0xbe6/0x14b0
[  546.598729][ T8348]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  546.604620][ T8348]  ? validate_linkmsg+0x6fc/0x9c0
[  546.609650][ T8348]  br_dev_newlink+0x27/0x110
[  546.614235][ T8348]  ? br_changelink+0x1760/0x1760
[  546.619165][ T8348]  __rtnl_newlink+0x1173/0x1930
[  546.624040][ T8348]  ? rtnl_link_unregister+0x260/0x260
[  546.629425][ T8348]  rtnl_newlink+0x67/0xa0
[  546.633751][ T8348]  ? __rtnl_newlink+0x1930/0x1930
[  546.638768][ T8348]  rtnetlink_rcv_msg+0x3c7/0xe00
[  546.643699][ T8348]  ? rtnl_fill_vf+0x4a0/0x4a0
[  546.648372][ T8348]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  546.654349][ T8348]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  546.660325][ T8348]  netlink_rcv_skb+0x16b/0x440
[  546.665107][ T8348]  ? rtnl_fill_vf+0x4a0/0x4a0
[  546.669795][ T8348]  ? netlink_ack+0x1380/0x1380
[  546.674575][ T8348]  ? lock_sync+0x190/0x190
[  546.679000][ T8348]  ? netlink_deliver_tap+0x1a0/0xd00
[  546.684281][ T8348]  ? _copy_from_iter+0x2c1/0x10f0
[  546.689307][ T8348]  netlink_unicast+0x53b/0x810
[  546.694073][ T8348]  ? netlink_attachskb+0x880/0x880
[  546.699199][ T8348]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  546.705085][ T8348]  ? __phys_addr_symbol+0x30/0x70
[  546.710123][ T8348]  ? __check_object_size+0x323/0x730
[  546.715403][ T8348]  netlink_sendmsg+0x93c/0xe40
[  546.720249][ T8348]  ? netlink_unicast+0x810/0x810
[  546.725182][ T8348]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  546.730488][ T8348]  ? netlink_unicast+0x810/0x810
[  546.735420][ T8348]  __sock_sendmsg+0xd5/0x180
[  546.740001][ T8348]  ____sys_sendmsg+0x6ac/0x940
[  546.744757][ T8348]  ? copy_msghdr_from_user+0x10b/0x160
[  546.750207][ T8348]  ? kernel_sendmsg+0x50/0x50
[  546.754877][ T8348]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  546.760855][ T8348]  ___sys_sendmsg+0x135/0x1d0
[  546.765529][ T8348]  ? do_recvmmsg+0x740/0x740
[  546.770120][ T8348]  ? find_held_lock+0x2d/0x110
[  546.774886][ T8348]  ? preempt_count_sub+0x160/0x160
[  546.779992][ T8348]  ? __fget_light+0x1fc/0x260
[  546.784679][ T8348]  __sys_sendmsg+0x117/0x1e0
[  546.789262][ T8348]  ? __sys_sendmsg_sock+0x30/0x30
[  546.794289][ T8348]  ? syscall_enter_from_user_mode+0x7f/0x120
[  546.800263][ T8348]  do_syscall_64+0x40/0x110
[  546.804764][ T8348]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  546.810662][ T8348] RIP: 0033:0x7ff3fd6020b9
[  546.815091][ T8348] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  546.834726][ T8348] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  546.843140][ T8348] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  546.851105][ T8348] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  546.859065][ T8348] RBP: 00000000000852ba R08: 0000000000000000 R09: 0000000000000006
[  546.867024][ T8348] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  546.874986][ T8348] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  546.882970][ T8348]  </TASK>
[  546.888005][ T8348] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  546.973241][ T8348] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  546.983911][ T8348] CPU: 0 PID: 8348 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  546.994340][ T8348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  547.004379][ T8348] Call Trace:
[  547.007643][ T8348]  <TASK>
[  547.010558][ T8348]  dump_stack_lvl+0x125/0x1b0
[  547.015227][ T8348]  sysfs_warn_dup+0x7f/0xa0
[  547.019716][ T8348]  sysfs_create_dir_ns+0x249/0x2b0
[  547.024813][ T8348]  ? sysfs_create_mount_point+0xb0/0xb0
[  547.030344][ T8348]  ? spin_bug+0x1d0/0x1d0
[  547.034660][ T8348]  ? net_namespace+0x12/0x40
[  547.039232][ T8348]  ? device_namespace+0x8d/0xc0
[  547.044072][ T8348]  kobject_add_internal+0x2c8/0x970
[  547.049279][ T8348]  kobject_add+0x16f/0x240
[  547.053684][ T8348]  ? kset_create_and_add+0x190/0x190
[  547.058953][ T8348]  ? do_raw_spin_unlock+0x173/0x230
[  547.064155][ T8348]  ? kobject_put+0xbe/0x440
[  547.068645][ T8348]  ? device_add+0xc35/0x1aa0
[  547.073220][ T8348]  device_add+0x289/0x1aa0
[  547.077630][ T8348]  ? device_initialize+0x510/0x510
[  547.082734][ T8348]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  547.089596][ T8348]  ? __init_waitqueue_head+0xca/0x150
[  547.094982][ T8348]  netdev_register_kobject+0x183/0x3f0
[  547.100441][ T8348]  register_netdevice+0xbe6/0x14b0
[  547.105571][ T8348]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  547.111458][ T8348]  ? validate_linkmsg+0x6fc/0x9c0
[  547.116493][ T8348]  br_dev_newlink+0x27/0x110
[  547.121072][ T8348]  ? br_changelink+0x1760/0x1760
[  547.125994][ T8348]  __rtnl_newlink+0x1173/0x1930
[  547.130851][ T8348]  ? rtnl_link_unregister+0x260/0x260
[  547.136352][ T8348]  rtnl_newlink+0x67/0xa0
[  547.140697][ T8348]  ? __rtnl_newlink+0x1930/0x1930
[  547.145730][ T8348]  rtnetlink_rcv_msg+0x3c7/0xe00
[  547.150671][ T8348]  ? rtnl_fill_vf+0x4a0/0x4a0
[  547.155343][ T8348]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  547.161310][ T8348]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  547.167277][ T8348]  netlink_rcv_skb+0x16b/0x440
[  547.172028][ T8348]  ? rtnl_fill_vf+0x4a0/0x4a0
[  547.176690][ T8348]  ? netlink_ack+0x1380/0x1380
[  547.181439][ T8348]  ? lock_sync+0x190/0x190
[  547.185848][ T8348]  ? netlink_deliver_tap+0x1a0/0xd00
[  547.191122][ T8348]  ? _copy_from_iter+0x2c1/0x10f0
[  547.196138][ T8348]  netlink_unicast+0x53b/0x810
[  547.200893][ T8348]  ? netlink_attachskb+0x880/0x880
[  547.205991][ T8348]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  547.211872][ T8348]  ? __phys_addr_symbol+0x30/0x70
[  547.216882][ T8348]  ? __check_object_size+0x323/0x730
[  547.222151][ T8348]  netlink_sendmsg+0x93c/0xe40
[  547.226904][ T8348]  ? netlink_unicast+0x810/0x810
[  547.231828][ T8348]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  547.237095][ T8348]  ? netlink_unicast+0x810/0x810
[  547.242017][ T8348]  __sock_sendmsg+0xd5/0x180
[  547.246608][ T8348]  ____sys_sendmsg+0x6ac/0x940
[  547.251374][ T8348]  ? copy_msghdr_from_user+0x10b/0x160
[  547.256818][ T8348]  ? kernel_sendmsg+0x50/0x50
[  547.261482][ T8348]  ___sys_sendmsg+0x135/0x1d0
[  547.266147][ T8348]  ? do_recvmmsg+0x740/0x740
[  547.270728][ T8348]  ? find_held_lock+0x2d/0x110
[  547.275485][ T8348]  ? preempt_count_sub+0x160/0x160
[  547.280582][ T8348]  ? __fget_light+0x1fc/0x260
[  547.285265][ T8348]  __sys_sendmsg+0x117/0x1e0
[  547.289840][ T8348]  ? __sys_sendmsg_sock+0x30/0x30
[  547.294858][ T8348]  ? syscall_enter_from_user_mode+0x7f/0x120
[  547.300828][ T8348]  do_syscall_64+0x40/0x110
[  547.305311][ T8348]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  547.311190][ T8348] RIP: 0033:0x7ff3fd6020b9
[  547.315587][ T8348] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  547.335189][ T8348] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  547.343590][ T8348] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  547.351543][ T8348] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  547.359494][ T8348] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  547.367446][ T8348] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  547.375397][ T8348] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  547.383376][ T8348]  </TASK>
[  547.386629][ T8348] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  547.456824][ T8349] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  547.466952][ T8349] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  547.476159][ T8349] CPU: 1 PID: 8349 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  547.486600][ T8349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  547.496642][ T8349] Call Trace:
[  547.499909][ T8349]  <TASK>
[  547.502830][ T8349]  dump_stack_lvl+0x125/0x1b0
[  547.507501][ T8349]  sysfs_warn_dup+0x7f/0xa0
[  547.511996][ T8349]  sysfs_create_dir_ns+0x249/0x2b0
[  547.517097][ T8349]  ? sysfs_create_mount_point+0xb0/0xb0
[  547.522653][ T8349]  ? spin_bug+0x1d0/0x1d0
[  547.526970][ T8349]  ? net_namespace+0x12/0x40
[  547.531553][ T8349]  ? device_namespace+0x8d/0xc0
[  547.536402][ T8349]  kobject_add_internal+0x2c8/0x970
[  547.541596][ T8349]  kobject_add+0x16f/0x240
[  547.546002][ T8349]  ? kset_create_and_add+0x190/0x190
[  547.551276][ T8349]  ? do_raw_spin_unlock+0x173/0x230
[  547.556460][ T8349]  ? kobject_put+0xbe/0x440
[  547.560960][ T8349]  ? device_add+0xc35/0x1aa0
[  547.565552][ T8349]  device_add+0x289/0x1aa0
[  547.569980][ T8349]  ? device_initialize+0x510/0x510
[  547.575132][ T8349]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  547.581972][ T8349]  ? __init_waitqueue_head+0xca/0x150
[  547.587339][ T8349]  netdev_register_kobject+0x183/0x3f0
[  547.592795][ T8349]  register_netdevice+0xbe6/0x14b0
[  547.597901][ T8349]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  547.603784][ T8349]  ? validate_linkmsg+0x6fc/0x9c0
[  547.608829][ T8349]  br_dev_newlink+0x27/0x110
[  547.613440][ T8349]  ? br_changelink+0x1760/0x1760
[  547.618373][ T8349]  __rtnl_newlink+0x1173/0x1930
[  547.623219][ T8349]  ? rtnl_link_unregister+0x260/0x260
[  547.628605][ T8349]  rtnl_newlink+0x67/0xa0
[  547.632926][ T8349]  ? __rtnl_newlink+0x1930/0x1930
[  547.637942][ T8349]  rtnetlink_rcv_msg+0x3c7/0xe00
[  547.642895][ T8349]  ? rtnl_fill_vf+0x4a0/0x4a0
[  547.647561][ T8349]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  547.653539][ T8349]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  547.659528][ T8349]  netlink_rcv_skb+0x16b/0x440
[  547.664293][ T8349]  ? rtnl_fill_vf+0x4a0/0x4a0
[  547.668994][ T8349]  ? netlink_ack+0x1380/0x1380
[  547.673752][ T8349]  ? lock_sync+0x190/0x190
[  547.678168][ T8349]  ? netlink_deliver_tap+0x1a0/0xd00
[  547.683447][ T8349]  ? _copy_from_iter+0x2c1/0x10f0
[  547.688472][ T8349]  netlink_unicast+0x53b/0x810
[  547.693250][ T8349]  ? netlink_attachskb+0x880/0x880
[  547.698376][ T8349]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  547.704288][ T8349]  ? __phys_addr_symbol+0x30/0x70
[  547.709335][ T8349]  ? __check_object_size+0x323/0x730
[  547.714613][ T8349]  netlink_sendmsg+0x93c/0xe40
[  547.719378][ T8349]  ? netlink_unicast+0x810/0x810
[  547.724333][ T8349]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  547.729625][ T8349]  ? netlink_unicast+0x810/0x810
[  547.734558][ T8349]  __sock_sendmsg+0xd5/0x180
[  547.739143][ T8349]  ____sys_sendmsg+0x6ac/0x940
[  547.743904][ T8349]  ? copy_msghdr_from_user+0x10b/0x160
[  547.749363][ T8349]  ? kernel_sendmsg+0x50/0x50
[  547.754122][ T8349]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  547.760105][ T8349]  ___sys_sendmsg+0x135/0x1d0
[  547.764779][ T8349]  ? do_recvmmsg+0x740/0x740
[  547.769363][ T8349]  ? find_held_lock+0x2d/0x110
[  547.774127][ T8349]  ? preempt_count_sub+0x160/0x160
[  547.779240][ T8349]  ? __fget_light+0x1fc/0x260
[  547.783916][ T8349]  __sys_sendmsg+0x117/0x1e0
[  547.788505][ T8349]  ? __sys_sendmsg_sock+0x30/0x30
[  547.793543][ T8349]  ? syscall_enter_from_user_mode+0x7f/0x120
[  547.799536][ T8349]  do_syscall_64+0x40/0x110
[  547.804039][ T8349]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  547.809930][ T8349] RIP: 0033:0x7ff3fd6020b9
[  547.814342][ T8349] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  547.833949][ T8349] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  547.842355][ T8349] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  547.850337][ T8349] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  547.858345][ T8349] RBP: 0000000000085683 R08: 0000000000000000 R09: 0000000000000006
[  547.866316][ T8349] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  547.874283][ T8349] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  547.882275][ T8349]  </TASK>
[  547.887310][ T8349] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  547.983516][ T8349] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  547.993095][ T8349] CPU: 0 PID: 8349 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  548.003527][ T8349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  548.013568][ T8349] Call Trace:
[  548.016838][ T8349]  <TASK>
[  548.019758][ T8349]  dump_stack_lvl+0x125/0x1b0
[  548.024427][ T8349]  sysfs_warn_dup+0x7f/0xa0
[  548.028916][ T8349]  sysfs_create_dir_ns+0x249/0x2b0
[  548.034016][ T8349]  ? sysfs_create_mount_point+0xb0/0xb0
[  548.039550][ T8349]  ? spin_bug+0x1d0/0x1d0
[  548.043865][ T8349]  ? net_namespace+0x12/0x40
[  548.048439][ T8349]  ? device_namespace+0x8d/0xc0
[  548.053283][ T8349]  kobject_add_internal+0x2c8/0x970
[  548.058470][ T8349]  kobject_add+0x16f/0x240
[  548.062874][ T8349]  ? kset_create_and_add+0x190/0x190
[  548.068163][ T8349]  ? do_raw_spin_unlock+0x173/0x230
[  548.073345][ T8349]  ? kobject_put+0xbe/0x440
[  548.077918][ T8349]  ? device_add+0xc35/0x1aa0
[  548.082494][ T8349]  device_add+0x289/0x1aa0
[  548.086895][ T8349]  ? device_initialize+0x510/0x510
[  548.091992][ T8349]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  548.098829][ T8349]  ? __init_waitqueue_head+0xca/0x150
[  548.104193][ T8349]  netdev_register_kobject+0x183/0x3f0
[  548.109645][ T8349]  register_netdevice+0xbe6/0x14b0
[  548.114750][ T8349]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  548.120645][ T8349]  ? validate_linkmsg+0x6fc/0x9c0
[  548.125681][ T8349]  br_dev_newlink+0x27/0x110
[  548.130262][ T8349]  ? br_changelink+0x1760/0x1760
[  548.135193][ T8349]  __rtnl_newlink+0x1173/0x1930
[  548.140041][ T8349]  ? rtnl_link_unregister+0x260/0x260
[  548.145424][ T8349]  rtnl_newlink+0x67/0xa0
[  548.149748][ T8349]  ? __rtnl_newlink+0x1930/0x1930
[  548.154764][ T8349]  rtnetlink_rcv_msg+0x3c7/0xe00
[  548.159690][ T8349]  ? rtnl_fill_vf+0x4a0/0x4a0
[  548.164354][ T8349]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  548.170325][ T8349]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  548.176303][ T8349]  netlink_rcv_skb+0x16b/0x440
[  548.181075][ T8349]  ? rtnl_fill_vf+0x4a0/0x4a0
[  548.185743][ T8349]  ? netlink_ack+0x1380/0x1380
[  548.190524][ T8349]  ? lock_sync+0x190/0x190
[  548.194945][ T8349]  ? netlink_deliver_tap+0x1a0/0xd00
[  548.200219][ T8349]  ? _copy_from_iter+0x2c1/0x10f0
[  548.205232][ T8349]  netlink_unicast+0x53b/0x810
[  548.209986][ T8349]  ? netlink_attachskb+0x880/0x880
[  548.215086][ T8349]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  548.220988][ T8349]  ? __phys_addr_symbol+0x30/0x70
[  548.225995][ T8349]  ? __check_object_size+0x323/0x730
[  548.231271][ T8349]  netlink_sendmsg+0x93c/0xe40
[  548.236032][ T8349]  ? netlink_unicast+0x810/0x810
[  548.240961][ T8349]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  548.246229][ T8349]  ? netlink_unicast+0x810/0x810
[  548.251154][ T8349]  __sock_sendmsg+0xd5/0x180
[  548.255730][ T8349]  ____sys_sendmsg+0x6ac/0x940
[  548.260472][ T8349]  ? copy_msghdr_from_user+0x10b/0x160
[  548.265917][ T8349]  ? kernel_sendmsg+0x50/0x50
[  548.270576][ T8349]  ? hlock_class+0x4e/0x130
[  548.275067][ T8349]  ? __lock_acquire+0x14e0/0x3b10
[  548.280081][ T8349]  ___sys_sendmsg+0x135/0x1d0
[  548.284746][ T8349]  ? do_recvmmsg+0x740/0x740
[  548.289317][ T8349]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  548.295284][ T8349]  ? find_held_lock+0x2d/0x110
[  548.300053][ T8349]  ? __fget_light+0x1fc/0x260
[  548.304714][ T8349]  __sys_sendmsg+0x117/0x1e0
[  548.309289][ T8349]  ? __sys_sendmsg_sock+0x30/0x30
[  548.314301][ T8349]  ? __do_sys_rseq+0x750/0x750
[  548.319058][ T8349]  ? syscall_enter_from_user_mode+0x7f/0x120
[  548.325036][ T8349]  do_syscall_64+0x40/0x110
[  548.329522][ T8349]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  548.335409][ T8349] RIP: 0033:0x7ff3fd6020b9
[  548.339806][ T8349] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  548.359396][ T8349] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  548.367789][ T8349] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  548.375744][ T8349] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  548.383696][ T8349] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  548.391649][ T8349] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  548.399602][ T8349] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  548.407650][ T8349]  </TASK>
[  548.410921][ T8349] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  548.468206][ T8350] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  548.478365][ T8350] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  548.487536][ T8350] CPU: 0 PID: 8350 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  548.497957][ T8350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  548.507997][ T8350] Call Trace:
[  548.511287][ T8350]  <TASK>
[  548.514209][ T8350]  dump_stack_lvl+0x125/0x1b0
[  548.518905][ T8350]  sysfs_warn_dup+0x7f/0xa0
[  548.523401][ T8350]  sysfs_create_dir_ns+0x249/0x2b0
[  548.528503][ T8350]  ? sysfs_create_mount_point+0xb0/0xb0
[  548.534074][ T8350]  ? spin_bug+0x1d0/0x1d0
[  548.538421][ T8350]  ? net_namespace+0x12/0x40
[  548.543003][ T8350]  ? device_namespace+0x8d/0xc0
[  548.547847][ T8350]  kobject_add_internal+0x2c8/0x970
[  548.553038][ T8350]  kobject_add+0x16f/0x240
[  548.557445][ T8350]  ? kset_create_and_add+0x190/0x190
[  548.562738][ T8350]  ? do_raw_spin_unlock+0x173/0x230
[  548.567961][ T8350]  ? kobject_put+0xbe/0x440
[  548.572460][ T8350]  ? device_add+0xc35/0x1aa0
[  548.577040][ T8350]  device_add+0x289/0x1aa0
[  548.581447][ T8350]  ? device_initialize+0x510/0x510
[  548.586546][ T8350]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  548.593386][ T8350]  ? __init_waitqueue_head+0xca/0x150
[  548.598753][ T8350]  netdev_register_kobject+0x183/0x3f0
[  548.604205][ T8350]  register_netdevice+0xbe6/0x14b0
[  548.609336][ T8350]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  548.615252][ T8350]  ? validate_linkmsg+0x6fc/0x9c0
[  548.620270][ T8350]  br_dev_newlink+0x27/0x110
[  548.624863][ T8350]  ? br_changelink+0x1760/0x1760
[  548.629820][ T8350]  __rtnl_newlink+0x1173/0x1930
[  548.634699][ T8350]  ? rtnl_link_unregister+0x260/0x260
[  548.640080][ T8350]  rtnl_newlink+0x67/0xa0
[  548.644415][ T8350]  ? __rtnl_newlink+0x1930/0x1930
[  548.649470][ T8350]  rtnetlink_rcv_msg+0x3c7/0xe00
[  548.654437][ T8350]  ? rtnl_fill_vf+0x4a0/0x4a0
[  548.659120][ T8350]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  548.665109][ T8350]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  548.671140][ T8350]  netlink_rcv_skb+0x16b/0x440
[  548.675908][ T8350]  ? rtnl_fill_vf+0x4a0/0x4a0
[  548.680588][ T8350]  ? netlink_ack+0x1380/0x1380
[  548.685364][ T8350]  ? lock_sync+0x190/0x190
[  548.689786][ T8350]  ? netlink_deliver_tap+0x1a0/0xd00
[  548.695066][ T8350]  ? _copy_from_iter+0x2c1/0x10f0
[  548.700086][ T8350]  netlink_unicast+0x53b/0x810
[  548.704881][ T8350]  ? netlink_attachskb+0x880/0x880
[  548.709986][ T8350]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  548.715871][ T8350]  ? __phys_addr_symbol+0x30/0x70
[  548.720908][ T8350]  ? __check_object_size+0x323/0x730
[  548.726205][ T8350]  netlink_sendmsg+0x93c/0xe40
[  548.730979][ T8350]  ? netlink_unicast+0x810/0x810
[  548.735924][ T8350]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  548.741241][ T8350]  ? netlink_unicast+0x810/0x810
[  548.746177][ T8350]  __sock_sendmsg+0xd5/0x180
[  548.750766][ T8350]  ____sys_sendmsg+0x6ac/0x940
[  548.755527][ T8350]  ? copy_msghdr_from_user+0x10b/0x160
[  548.760996][ T8350]  ? kernel_sendmsg+0x50/0x50
[  548.765689][ T8350]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  548.771683][ T8350]  ___sys_sendmsg+0x135/0x1d0
[  548.776379][ T8350]  ? do_recvmmsg+0x740/0x740
[  548.780987][ T8350]  ? find_held_lock+0x2d/0x110
[  548.785751][ T8350]  ? preempt_count_sub+0x160/0x160
[  548.790864][ T8350]  ? __fget_light+0x1fc/0x260
[  548.795534][ T8350]  __sys_sendmsg+0x117/0x1e0
[  548.800123][ T8350]  ? __sys_sendmsg_sock+0x30/0x30
[  548.805141][ T8350]  ? xfd_validate_state+0x5d/0x180
[  548.810261][ T8350]  ? syscall_enter_from_user_mode+0x7f/0x120
[  548.816267][ T8350]  do_syscall_64+0x40/0x110
[  548.820767][ T8350]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  548.826662][ T8350] RIP: 0033:0x7ff3fd6020b9
[  548.831069][ T8350] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  548.850692][ T8350] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  548.859113][ T8350] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  548.867075][ T8350] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  548.875052][ T8350] RBP: 0000000000085a6a R08: 0000000000000000 R09: 0000000000000006
[  548.883025][ T8350] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  548.890987][ T8350] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  548.898958][ T8350]  </TASK>
[  548.902737][ T8350] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  548.953638][ T8350] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  548.962907][ T8350] CPU: 0 PID: 8350 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  548.973332][ T8350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  548.983390][ T8350] Call Trace:
[  548.986656][ T8350]  <TASK>
[  548.989571][ T8350]  dump_stack_lvl+0x125/0x1b0
[  548.994241][ T8350]  sysfs_warn_dup+0x7f/0xa0
[  548.998733][ T8350]  sysfs_create_dir_ns+0x249/0x2b0
[  549.003830][ T8350]  ? sysfs_create_mount_point+0xb0/0xb0
[  549.009358][ T8350]  ? spin_bug+0x1d0/0x1d0
[  549.013670][ T8350]  ? net_namespace+0x12/0x40
[  549.018242][ T8350]  ? device_namespace+0x8d/0xc0
[  549.023086][ T8350]  kobject_add_internal+0x2c8/0x970
[  549.028288][ T8350]  kobject_add+0x16f/0x240
[  549.032706][ T8350]  ? kset_create_and_add+0x190/0x190
[  549.038021][ T8350]  ? do_raw_spin_unlock+0x173/0x230
[  549.043226][ T8350]  ? kobject_put+0xbe/0x440
[  549.047733][ T8350]  ? device_add+0xc35/0x1aa0
[  549.052330][ T8350]  device_add+0x289/0x1aa0
[  549.056744][ T8350]  ? device_initialize+0x510/0x510
[  549.061899][ T8350]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  549.068750][ T8350]  ? __init_waitqueue_head+0xca/0x150
[  549.074134][ T8350]  netdev_register_kobject+0x183/0x3f0
[  549.079605][ T8350]  register_netdevice+0xbe6/0x14b0
[  549.084750][ T8350]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  549.090667][ T8350]  ? validate_linkmsg+0x6fc/0x9c0
[  549.095698][ T8350]  br_dev_newlink+0x27/0x110
[  549.100283][ T8350]  ? br_changelink+0x1760/0x1760
[  549.105216][ T8350]  __rtnl_newlink+0x1173/0x1930
[  549.110074][ T8350]  ? rtnl_link_unregister+0x260/0x260
[  549.115459][ T8350]  rtnl_newlink+0x67/0xa0
[  549.119786][ T8350]  ? __rtnl_newlink+0x1930/0x1930
[  549.124833][ T8350]  rtnetlink_rcv_msg+0x3c7/0xe00
[  549.129768][ T8350]  ? rtnl_fill_vf+0x4a0/0x4a0
[  549.134468][ T8350]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  549.140450][ T8350]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  549.146441][ T8350]  netlink_rcv_skb+0x16b/0x440
[  549.151231][ T8350]  ? rtnl_fill_vf+0x4a0/0x4a0
[  549.155904][ T8350]  ? netlink_ack+0x1380/0x1380
[  549.160670][ T8350]  ? lock_sync+0x190/0x190
[  549.165096][ T8350]  ? netlink_deliver_tap+0x1a0/0xd00
[  549.170380][ T8350]  ? _copy_from_iter+0x2c1/0x10f0
[  549.175407][ T8350]  netlink_unicast+0x53b/0x810
[  549.180176][ T8350]  ? netlink_attachskb+0x880/0x880
[  549.185286][ T8350]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  549.191351][ T8350]  ? __phys_addr_symbol+0x30/0x70
[  549.196377][ T8350]  ? __check_object_size+0x323/0x730
[  549.201666][ T8350]  netlink_sendmsg+0x93c/0xe40
[  549.206438][ T8350]  ? netlink_unicast+0x810/0x810
[  549.211381][ T8350]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  549.216666][ T8350]  ? netlink_unicast+0x810/0x810
[  549.221610][ T8350]  __sock_sendmsg+0xd5/0x180
[  549.226200][ T8350]  ____sys_sendmsg+0x6ac/0x940
[  549.230964][ T8350]  ? copy_msghdr_from_user+0x10b/0x160
[  549.236420][ T8350]  ? kernel_sendmsg+0x50/0x50
[  549.241134][ T8350]  ___sys_sendmsg+0x135/0x1d0
[  549.245812][ T8350]  ? do_recvmmsg+0x740/0x740
[  549.250396][ T8350]  ? find_held_lock+0x2d/0x110
[  549.255168][ T8350]  ? preempt_count_sub+0x160/0x160
[  549.260283][ T8350]  ? __fget_light+0x1fc/0x260
[  549.264958][ T8350]  __sys_sendmsg+0x117/0x1e0
[  549.269551][ T8350]  ? __sys_sendmsg_sock+0x30/0x30
[  549.274586][ T8350]  ? syscall_enter_from_user_mode+0x7f/0x120
[  549.280575][ T8350]  do_syscall_64+0x40/0x110
[  549.285080][ T8350]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  549.290977][ T8350] RIP: 0033:0x7ff3fd6020b9
[  549.295383][ T8350] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  549.314994][ T8350] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  549.323407][ T8350] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  549.331385][ T8350] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  549.339346][ T8350] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  549.347310][ T8350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  549.355270][ T8350] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  549.363242][ T8350]  </TASK>
[  549.367344][ T8350] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  549.427598][ T8351] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  549.437720][ T8351] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  549.446891][ T8351] CPU: 1 PID: 8351 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  549.457306][ T8351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  549.467346][ T8351] Call Trace:
[  549.470624][ T8351]  <TASK>
[  549.473586][ T8351]  dump_stack_lvl+0x125/0x1b0
[  549.478269][ T8351]  sysfs_warn_dup+0x7f/0xa0
[  549.482768][ T8351]  sysfs_create_dir_ns+0x249/0x2b0
[  549.487870][ T8351]  ? sysfs_create_mount_point+0xb0/0xb0
[  549.493404][ T8351]  ? spin_bug+0x1d0/0x1d0
[  549.497724][ T8351]  ? net_namespace+0x12/0x40
[  549.502303][ T8351]  ? device_namespace+0x8d/0xc0
[  549.507151][ T8351]  kobject_add_internal+0x2c8/0x970
[  549.512343][ T8351]  kobject_add+0x16f/0x240
[  549.516750][ T8351]  ? kset_create_and_add+0x190/0x190
[  549.522024][ T8351]  ? do_raw_spin_unlock+0x173/0x230
[  549.527210][ T8351]  ? kobject_put+0xbe/0x440
[  549.531727][ T8351]  ? device_add+0xc35/0x1aa0
[  549.536307][ T8351]  device_add+0x289/0x1aa0
[  549.540716][ T8351]  ? device_initialize+0x510/0x510
[  549.545814][ T8351]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  549.552664][ T8351]  ? __init_waitqueue_head+0xca/0x150
[  549.558032][ T8351]  netdev_register_kobject+0x183/0x3f0
[  549.563490][ T8351]  register_netdevice+0xbe6/0x14b0
[  549.568600][ T8351]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  549.574485][ T8351]  ? validate_linkmsg+0x6fc/0x9c0
[  549.579499][ T8351]  br_dev_newlink+0x27/0x110
[  549.584082][ T8351]  ? br_changelink+0x1760/0x1760
[  549.589006][ T8351]  __rtnl_newlink+0x1173/0x1930
[  549.593853][ T8351]  ? rtnl_link_unregister+0x260/0x260
[  549.599252][ T8351]  rtnl_newlink+0x67/0xa0
[  549.603578][ T8351]  ? __rtnl_newlink+0x1930/0x1930
[  549.608606][ T8351]  rtnetlink_rcv_msg+0x3c7/0xe00
[  549.613542][ T8351]  ? rtnl_fill_vf+0x4a0/0x4a0
[  549.618211][ T8351]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  549.624188][ T8351]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  549.630163][ T8351]  netlink_rcv_skb+0x16b/0x440
[  549.634921][ T8351]  ? rtnl_fill_vf+0x4a0/0x4a0
[  549.639607][ T8351]  ? netlink_ack+0x1380/0x1380
[  549.644387][ T8351]  ? lock_sync+0x190/0x190
[  549.648847][ T8351]  ? netlink_deliver_tap+0x1a0/0xd00
[  549.654135][ T8351]  ? _copy_from_iter+0x2c1/0x10f0
[  549.659156][ T8351]  netlink_unicast+0x53b/0x810
[  549.663941][ T8351]  ? netlink_attachskb+0x880/0x880
[  549.669047][ T8351]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  549.674955][ T8351]  ? __phys_addr_symbol+0x30/0x70
[  549.679974][ T8351]  ? __check_object_size+0x323/0x730
[  549.685251][ T8351]  netlink_sendmsg+0x93c/0xe40
[  549.690013][ T8351]  ? netlink_unicast+0x810/0x810
[  549.694952][ T8351]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  549.700234][ T8351]  ? netlink_unicast+0x810/0x810
[  549.705179][ T8351]  __sock_sendmsg+0xd5/0x180
[  549.709763][ T8351]  ____sys_sendmsg+0x6ac/0x940
[  549.714527][ T8351]  ? copy_msghdr_from_user+0x10b/0x160
[  549.719987][ T8351]  ? kernel_sendmsg+0x50/0x50
[  549.724687][ T8351]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  549.730680][ T8351]  ___sys_sendmsg+0x135/0x1d0
[  549.735359][ T8351]  ? do_recvmmsg+0x740/0x740
[  549.739946][ T8351]  ? find_held_lock+0x2d/0x110
[  549.744709][ T8351]  ? preempt_count_sub+0x160/0x160
[  549.749843][ T8351]  ? __fget_light+0x1fc/0x260
[  549.754515][ T8351]  __sys_sendmsg+0x117/0x1e0
[  549.759106][ T8351]  ? __sys_sendmsg_sock+0x30/0x30
[  549.764129][ T8351]  ? xfd_validate_state+0x5d/0x180
[  549.769271][ T8351]  ? syscall_enter_from_user_mode+0x7f/0x120
[  549.775265][ T8351]  do_syscall_64+0x40/0x110
[  549.779761][ T8351]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  549.785649][ T8351] RIP: 0033:0x7ff3fd6020b9
[  549.790054][ T8351] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  549.809649][ T8351] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  549.818064][ T8351] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  549.826041][ T8351] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  549.834000][ T8351] RBP: 0000000000085e5d R08: 0000000000000000 R09: 0000000000000006
[  549.841973][ T8351] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  549.849940][ T8351] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  549.857912][ T8351]  </TASK>
[  549.862457][ T8351] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  549.953161][ T8351] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  549.962472][ T8351] CPU: 0 PID: 8351 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  549.972915][ T8351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  549.982959][ T8351] Call Trace:
[  549.986226][ T8351]  <TASK>
[  549.989141][ T8351]  dump_stack_lvl+0x125/0x1b0
[  549.993815][ T8351]  sysfs_warn_dup+0x7f/0xa0
[  549.998307][ T8351]  sysfs_create_dir_ns+0x249/0x2b0
[  550.003410][ T8351]  ? sysfs_create_mount_point+0xb0/0xb0
[  550.008963][ T8351]  ? spin_bug+0x1d0/0x1d0
[  550.013458][ T8351]  ? net_namespace+0x12/0x40
[  550.018035][ T8351]  ? device_namespace+0x8d/0xc0
[  550.022877][ T8351]  kobject_add_internal+0x2c8/0x970
[  550.028086][ T8351]  kobject_add+0x16f/0x240
[  550.032490][ T8351]  ? kset_create_and_add+0x190/0x190
[  550.037796][ T8351]  ? do_raw_spin_unlock+0x173/0x230
[  550.042979][ T8351]  ? kobject_put+0xbe/0x440
[  550.047469][ T8351]  ? device_add+0xc35/0x1aa0
[  550.052051][ T8351]  device_add+0x289/0x1aa0
[  550.056453][ T8351]  ? device_initialize+0x510/0x510
[  550.061553][ T8351]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  550.068451][ T8351]  ? __init_waitqueue_head+0xca/0x150
[  550.073831][ T8351]  netdev_register_kobject+0x183/0x3f0
[  550.079289][ T8351]  register_netdevice+0xbe6/0x14b0
[  550.084391][ T8351]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  550.090297][ T8351]  ? validate_linkmsg+0x6fc/0x9c0
[  550.095761][ T8351]  br_dev_newlink+0x27/0x110
[  550.100346][ T8351]  ? br_changelink+0x1760/0x1760
[  550.105271][ T8351]  __rtnl_newlink+0x1173/0x1930
[  550.110116][ T8351]  ? rtnl_link_unregister+0x260/0x260
[  550.115489][ T8351]  rtnl_newlink+0x67/0xa0
[  550.119808][ T8351]  ? __rtnl_newlink+0x1930/0x1930
[  550.124818][ T8351]  rtnetlink_rcv_msg+0x3c7/0xe00
[  550.129747][ T8351]  ? rtnl_fill_vf+0x4a0/0x4a0
[  550.134412][ T8351]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  550.140407][ T8351]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  550.146400][ T8351]  netlink_rcv_skb+0x16b/0x440
[  550.151165][ T8351]  ? rtnl_fill_vf+0x4a0/0x4a0
[  550.155833][ T8351]  ? netlink_ack+0x1380/0x1380
[  550.160588][ T8351]  ? lock_sync+0x190/0x190
[  550.165044][ T8351]  ? netlink_deliver_tap+0x1a0/0xd00
[  550.170323][ T8351]  ? _copy_from_iter+0x2c1/0x10f0
[  550.175342][ T8351]  netlink_unicast+0x53b/0x810
[  550.180098][ T8351]  ? netlink_attachskb+0x880/0x880
[  550.185198][ T8351]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  550.191082][ T8351]  ? __phys_addr_symbol+0x30/0x70
[  550.196095][ T8351]  ? __check_object_size+0x323/0x730
[  550.201368][ T8351]  netlink_sendmsg+0x93c/0xe40
[  550.206125][ T8351]  ? netlink_unicast+0x810/0x810
[  550.211056][ T8351]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  550.216350][ T8351]  ? netlink_unicast+0x810/0x810
[  550.221290][ T8351]  __sock_sendmsg+0xd5/0x180
[  550.225876][ T8351]  ____sys_sendmsg+0x6ac/0x940
[  550.230632][ T8351]  ? copy_msghdr_from_user+0x10b/0x160
[  550.236099][ T8351]  ? kernel_sendmsg+0x50/0x50
[  550.240766][ T8351]  ___sys_sendmsg+0x135/0x1d0
[  550.245430][ T8351]  ? do_recvmmsg+0x740/0x740
[  550.250005][ T8351]  ? find_held_lock+0x2d/0x110
[  550.254761][ T8351]  ? preempt_count_sub+0x160/0x160
[  550.259860][ T8351]  ? __fget_light+0x1fc/0x260
[  550.264521][ T8351]  __sys_sendmsg+0x117/0x1e0
[  550.269101][ T8351]  ? __sys_sendmsg_sock+0x30/0x30
[  550.274115][ T8351]  ? syscall_enter_from_user_mode+0x7f/0x120
[  550.280115][ T8351]  do_syscall_64+0x40/0x110
[  550.284620][ T8351]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  550.290506][ T8351] RIP: 0033:0x7ff3fd6020b9
[  550.294908][ T8351] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  550.314497][ T8351] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  550.322889][ T8351] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  550.330846][ T8351] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  550.338801][ T8351] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  550.346753][ T8351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  550.354706][ T8351] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  550.362671][ T8351]  </TASK>
[  550.365856][ T8351] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  550.428358][ T8352] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  550.438555][ T8352] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  550.447893][ T8352] CPU: 0 PID: 8352 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  550.458346][ T8352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  550.468394][ T8352] Call Trace:
[  550.471670][ T8352]  <TASK>
[  550.474594][ T8352]  dump_stack_lvl+0x125/0x1b0
[  550.479293][ T8352]  sysfs_warn_dup+0x7f/0xa0
[  550.483795][ T8352]  sysfs_create_dir_ns+0x249/0x2b0
[  550.488914][ T8352]  ? sysfs_create_mount_point+0xb0/0xb0
[  550.494476][ T8352]  ? spin_bug+0x1d0/0x1d0
[  550.498819][ T8352]  ? net_namespace+0x12/0x40
[  550.503409][ T8352]  ? device_namespace+0x8d/0xc0
[  550.508267][ T8352]  kobject_add_internal+0x2c8/0x970
[  550.513474][ T8352]  kobject_add+0x16f/0x240
[  550.517900][ T8352]  ? kset_create_and_add+0x190/0x190
[  550.523184][ T8352]  ? do_raw_spin_unlock+0x173/0x230
[  550.528376][ T8352]  ? kobject_put+0xbe/0x440
[  550.532887][ T8352]  ? device_add+0xc35/0x1aa0
[  550.537481][ T8352]  device_add+0x289/0x1aa0
[  550.541917][ T8352]  ? device_initialize+0x510/0x510
[  550.547034][ T8352]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  550.553914][ T8352]  ? __init_waitqueue_head+0xca/0x150
[  550.559298][ T8352]  netdev_register_kobject+0x183/0x3f0
[  550.564761][ T8352]  register_netdevice+0xbe6/0x14b0
[  550.569875][ T8352]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  550.575799][ T8352]  ? validate_linkmsg+0x6fc/0x9c0
[  550.580827][ T8352]  br_dev_newlink+0x27/0x110
[  550.585419][ T8352]  ? br_changelink+0x1760/0x1760
[  550.590350][ T8352]  __rtnl_newlink+0x1173/0x1930
[  550.595212][ T8352]  ? rtnl_link_unregister+0x260/0x260
[  550.600608][ T8352]  rtnl_newlink+0x67/0xa0
[  550.604947][ T8352]  ? __rtnl_newlink+0x1930/0x1930
[  550.609973][ T8352]  rtnetlink_rcv_msg+0x3c7/0xe00
[  550.614917][ T8352]  ? rtnl_fill_vf+0x4a0/0x4a0
[  550.619627][ T8352]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  550.625619][ T8352]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  550.631622][ T8352]  netlink_rcv_skb+0x16b/0x440
[  550.636390][ T8352]  ? rtnl_fill_vf+0x4a0/0x4a0
[  550.641069][ T8352]  ? netlink_ack+0x1380/0x1380
[  550.645833][ T8352]  ? lock_sync+0x190/0x190
[  550.650259][ T8352]  ? netlink_deliver_tap+0x1a0/0xd00
[  550.655549][ T8352]  ? _copy_from_iter+0x2c1/0x10f0
[  550.660578][ T8352]  netlink_unicast+0x53b/0x810
[  550.665353][ T8352]  ? netlink_attachskb+0x880/0x880
[  550.670462][ T8352]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  550.676354][ T8352]  ? __phys_addr_symbol+0x30/0x70
[  550.681380][ T8352]  ? __check_object_size+0x323/0x730
[  550.686662][ T8352]  netlink_sendmsg+0x93c/0xe40
[  550.691426][ T8352]  ? netlink_unicast+0x810/0x810
[  550.696368][ T8352]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  550.701647][ T8352]  ? netlink_unicast+0x810/0x810
[  550.706583][ T8352]  __sock_sendmsg+0xd5/0x180
[  550.711175][ T8352]  ____sys_sendmsg+0x6ac/0x940
[  550.715936][ T8352]  ? copy_msghdr_from_user+0x10b/0x160
[  550.721394][ T8352]  ? kernel_sendmsg+0x50/0x50
[  550.726068][ T8352]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  550.732052][ T8352]  ___sys_sendmsg+0x135/0x1d0
[  550.736728][ T8352]  ? do_recvmmsg+0x740/0x740
[  550.741315][ T8352]  ? find_held_lock+0x2d/0x110
[  550.746081][ T8352]  ? preempt_count_sub+0x160/0x160
[  550.751194][ T8352]  ? __fget_light+0x1fc/0x260
[  550.755868][ T8352]  __sys_sendmsg+0x117/0x1e0
[  550.760456][ T8352]  ? __sys_sendmsg_sock+0x30/0x30
[  550.765479][ T8352]  ? xfd_validate_state+0x5d/0x180
[  550.770611][ T8352]  ? syscall_enter_from_user_mode+0x7f/0x120
[  550.776600][ T8352]  do_syscall_64+0x40/0x110
[  550.781101][ T8352]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  550.786995][ T8352] RIP: 0033:0x7ff3fd6020b9
[  550.791400][ T8352] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  550.810999][ T8352] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  550.819402][ T8352] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  550.827363][ T8352] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  550.835324][ T8352] RBP: 000000000008621d R08: 0000000000000000 R09: 0000000000000006
[  550.843283][ T8352] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  550.851248][ T8352] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  550.859219][ T8352]  </TASK>
[  550.863585][ T8352] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  550.913464][ T8352] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  550.922726][ T8352] CPU: 1 PID: 8352 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  550.933154][ T8352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  550.943204][ T8352] Call Trace:
[  550.946475][ T8352]  <TASK>
[  550.949411][ T8352]  dump_stack_lvl+0x125/0x1b0
[  550.954083][ T8352]  sysfs_warn_dup+0x7f/0xa0
[  550.958578][ T8352]  sysfs_create_dir_ns+0x249/0x2b0
[  550.963690][ T8352]  ? sysfs_create_mount_point+0xb0/0xb0
[  550.969267][ T8352]  ? spin_bug+0x1d0/0x1d0
[  550.973604][ T8352]  ? net_namespace+0x12/0x40
[  550.978185][ T8352]  ? device_namespace+0x8d/0xc0
[  550.983041][ T8352]  kobject_add_internal+0x2c8/0x970
[  550.988246][ T8352]  kobject_add+0x16f/0x240
[  550.992660][ T8352]  ? kset_create_and_add+0x190/0x190
[  550.997944][ T8352]  ? do_raw_spin_unlock+0x173/0x230
[  551.003134][ T8352]  ? kobject_put+0xbe/0x440
[  551.007659][ T8352]  ? device_add+0xc35/0x1aa0
[  551.012251][ T8352]  device_add+0x289/0x1aa0
[  551.016662][ T8352]  ? device_initialize+0x510/0x510
[  551.021766][ T8352]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  551.028615][ T8352]  ? __init_waitqueue_head+0xca/0x150
[  551.033994][ T8352]  netdev_register_kobject+0x183/0x3f0
[  551.039489][ T8352]  register_netdevice+0xbe6/0x14b0
[  551.044632][ T8352]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  551.050534][ T8352]  ? validate_linkmsg+0x6fc/0x9c0
[  551.055566][ T8352]  br_dev_newlink+0x27/0x110
[  551.060159][ T8352]  ? br_changelink+0x1760/0x1760
[  551.065103][ T8352]  __rtnl_newlink+0x1173/0x1930
[  551.069962][ T8352]  ? rtnl_link_unregister+0x260/0x260
[  551.075353][ T8352]  rtnl_newlink+0x67/0xa0
[  551.079680][ T8352]  ? __rtnl_newlink+0x1930/0x1930
[  551.084702][ T8352]  rtnetlink_rcv_msg+0x3c7/0xe00
[  551.089639][ T8352]  ? rtnl_fill_vf+0x4a0/0x4a0
[  551.094313][ T8352]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  551.100294][ T8352]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  551.106277][ T8352]  netlink_rcv_skb+0x16b/0x440
[  551.111044][ T8352]  ? rtnl_fill_vf+0x4a0/0x4a0
[  551.115718][ T8352]  ? netlink_ack+0x1380/0x1380
[  551.120478][ T8352]  ? lock_sync+0x190/0x190
[  551.124906][ T8352]  ? netlink_deliver_tap+0x1a0/0xd00
[  551.130187][ T8352]  ? _copy_from_iter+0x2c1/0x10f0
[  551.135215][ T8352]  netlink_unicast+0x53b/0x810
[  551.139991][ T8352]  ? netlink_attachskb+0x880/0x880
[  551.145103][ T8352]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  551.150993][ T8352]  ? __phys_addr_symbol+0x30/0x70
[  551.156013][ T8352]  ? __check_object_size+0x323/0x730
[  551.161331][ T8352]  netlink_sendmsg+0x93c/0xe40
[  551.166104][ T8352]  ? netlink_unicast+0x810/0x810
[  551.171043][ T8352]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  551.176356][ T8352]  ? netlink_unicast+0x810/0x810
[  551.181402][ T8352]  __sock_sendmsg+0xd5/0x180
[  551.186036][ T8352]  ____sys_sendmsg+0x6ac/0x940
[  551.190804][ T8352]  ? copy_msghdr_from_user+0x10b/0x160
[  551.196268][ T8352]  ? kernel_sendmsg+0x50/0x50
[  551.200976][ T8352]  ? hlock_class+0x4e/0x130
[  551.205484][ T8352]  ? __lock_acquire+0x14e0/0x3b10
[  551.210515][ T8352]  ___sys_sendmsg+0x135/0x1d0
[  551.215198][ T8352]  ? do_recvmmsg+0x740/0x740
[  551.219787][ T8352]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  551.225781][ T8352]  ? find_held_lock+0x2d/0x110
[  551.230562][ T8352]  ? __fget_light+0x1fc/0x260
[  551.235235][ T8352]  __sys_sendmsg+0x117/0x1e0
[  551.239843][ T8352]  ? __sys_sendmsg_sock+0x30/0x30
[  551.244880][ T8352]  ? __do_sys_rseq+0x750/0x750
[  551.249659][ T8352]  ? syscall_enter_from_user_mode+0x7f/0x120
[  551.255649][ T8352]  do_syscall_64+0x40/0x110
[  551.260153][ T8352]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  551.266050][ T8352] RIP: 0033:0x7ff3fd6020b9
[  551.270460][ T8352] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  551.290075][ T8352] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  551.298488][ T8352] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  551.306458][ T8352] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  551.314468][ T8352] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  551.322442][ T8352] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  551.330402][ T8352] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  551.338379][ T8352]  </TASK>
[  551.341834][ T8352] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  551.418298][ T8353] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  551.428480][ T8353] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  551.437654][ T8353] CPU: 0 PID: 8353 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  551.448079][ T8353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  551.458124][ T8353] Call Trace:
[  551.461396][ T8353]  <TASK>
[  551.464334][ T8353]  dump_stack_lvl+0x125/0x1b0
[  551.469009][ T8353]  sysfs_warn_dup+0x7f/0xa0
[  551.473509][ T8353]  sysfs_create_dir_ns+0x249/0x2b0
[  551.478645][ T8353]  ? sysfs_create_mount_point+0xb0/0xb0
[  551.484182][ T8353]  ? spin_bug+0x1d0/0x1d0
[  551.488506][ T8353]  ? net_namespace+0x12/0x40
[  551.493088][ T8353]  ? device_namespace+0x8d/0xc0
[  551.497934][ T8353]  kobject_add_internal+0x2c8/0x970
[  551.503129][ T8353]  kobject_add+0x16f/0x240
[  551.507540][ T8353]  ? kset_create_and_add+0x190/0x190
[  551.512906][ T8353]  ? do_raw_spin_unlock+0x173/0x230
[  551.518093][ T8353]  ? kobject_put+0xbe/0x440
[  551.522590][ T8353]  ? device_add+0xc35/0x1aa0
[  551.527186][ T8353]  device_add+0x289/0x1aa0
[  551.531634][ T8353]  ? device_initialize+0x510/0x510
[  551.536753][ T8353]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  551.543596][ T8353]  ? __init_waitqueue_head+0xca/0x150
[  551.548966][ T8353]  netdev_register_kobject+0x183/0x3f0
[  551.554432][ T8353]  register_netdevice+0xbe6/0x14b0
[  551.559575][ T8353]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  551.565470][ T8353]  ? validate_linkmsg+0x6fc/0x9c0
[  551.570508][ T8353]  br_dev_newlink+0x27/0x110
[  551.575093][ T8353]  ? br_changelink+0x1760/0x1760
[  551.580021][ T8353]  __rtnl_newlink+0x1173/0x1930
[  551.584893][ T8353]  ? rtnl_link_unregister+0x260/0x260
[  551.590287][ T8353]  rtnl_newlink+0x67/0xa0
[  551.594608][ T8353]  ? __rtnl_newlink+0x1930/0x1930
[  551.599624][ T8353]  rtnetlink_rcv_msg+0x3c7/0xe00
[  551.604557][ T8353]  ? rtnl_fill_vf+0x4a0/0x4a0
[  551.609225][ T8353]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  551.615214][ T8353]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  551.621191][ T8353]  netlink_rcv_skb+0x16b/0x440
[  551.625960][ T8353]  ? rtnl_fill_vf+0x4a0/0x4a0
[  551.630657][ T8353]  ? netlink_ack+0x1380/0x1380
[  551.635413][ T8353]  ? lock_sync+0x190/0x190
[  551.639833][ T8353]  ? netlink_deliver_tap+0x1a0/0xd00
[  551.645136][ T8353]  ? _copy_from_iter+0x2c1/0x10f0
[  551.650154][ T8353]  netlink_unicast+0x53b/0x810
[  551.654914][ T8353]  ? netlink_attachskb+0x880/0x880
[  551.660042][ T8353]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  551.665932][ T8353]  ? __phys_addr_symbol+0x30/0x70
[  551.670946][ T8353]  ? __check_object_size+0x323/0x730
[  551.676243][ T8353]  netlink_sendmsg+0x93c/0xe40
[  551.681017][ T8353]  ? netlink_unicast+0x810/0x810
[  551.685984][ T8353]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  551.691258][ T8353]  ? netlink_unicast+0x810/0x810
[  551.696185][ T8353]  __sock_sendmsg+0xd5/0x180
[  551.700764][ T8353]  ____sys_sendmsg+0x6ac/0x940
[  551.705516][ T8353]  ? copy_msghdr_from_user+0x10b/0x160
[  551.710962][ T8353]  ? kernel_sendmsg+0x50/0x50
[  551.715631][ T8353]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  551.721606][ T8353]  ___sys_sendmsg+0x135/0x1d0
[  551.726279][ T8353]  ? do_recvmmsg+0x740/0x740
[  551.730858][ T8353]  ? find_held_lock+0x2d/0x110
[  551.735796][ T8353]  ? preempt_count_sub+0x160/0x160
[  551.740932][ T8353]  ? __fget_light+0x1fc/0x260
[  551.745613][ T8353]  __sys_sendmsg+0x117/0x1e0
[  551.750212][ T8353]  ? __sys_sendmsg_sock+0x30/0x30
[  551.755246][ T8353]  ? xfd_validate_state+0x5d/0x180
[  551.760363][ T8353]  ? syscall_enter_from_user_mode+0x7f/0x120
[  551.766338][ T8353]  do_syscall_64+0x40/0x110
[  551.770835][ T8353]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  551.776719][ T8353] RIP: 0033:0x7ff3fd6020b9
[  551.781122][ T8353] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  551.800714][ T8353] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  551.809111][ T8353] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  551.817069][ T8353] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  551.825030][ T8353] RBP: 0000000000086605 R08: 0000000000000000 R09: 0000000000000006
[  551.832985][ T8353] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  551.840942][ T8353] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  551.848925][ T8353]  </TASK>
[  551.852881][ T8353] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  551.903603][ T8353] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  551.912856][ T8353] CPU: 1 PID: 8353 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  551.923285][ T8353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  551.933324][ T8353] Call Trace:
[  551.936586][ T8353]  <TASK>
[  551.939500][ T8353]  dump_stack_lvl+0x125/0x1b0
[  551.944172][ T8353]  sysfs_warn_dup+0x7f/0xa0
[  551.948661][ T8353]  sysfs_create_dir_ns+0x249/0x2b0
[  551.953759][ T8353]  ? sysfs_create_mount_point+0xb0/0xb0
[  551.959312][ T8353]  ? spin_bug+0x1d0/0x1d0
[  551.963629][ T8353]  ? net_namespace+0x12/0x40
[  551.968216][ T8353]  ? device_namespace+0x8d/0xc0
[  551.973067][ T8353]  kobject_add_internal+0x2c8/0x970
[  551.978270][ T8353]  kobject_add+0x16f/0x240
[  551.982684][ T8353]  ? kset_create_and_add+0x190/0x190
[  551.987969][ T8353]  ? do_raw_spin_unlock+0x173/0x230
[  551.993224][ T8353]  ? kobject_put+0xbe/0x440
[  551.997731][ T8353]  ? device_add+0xc35/0x1aa0
[  552.002319][ T8353]  device_add+0x289/0x1aa0
[  552.006731][ T8353]  ? device_initialize+0x510/0x510
[  552.011836][ T8353]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  552.018686][ T8353]  ? __init_waitqueue_head+0xca/0x150
[  552.024059][ T8353]  netdev_register_kobject+0x183/0x3f0
[  552.029533][ T8353]  register_netdevice+0xbe6/0x14b0
[  552.034653][ T8353]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  552.040546][ T8353]  ? validate_linkmsg+0x6fc/0x9c0
[  552.045567][ T8353]  br_dev_newlink+0x27/0x110
[  552.050156][ T8353]  ? br_changelink+0x1760/0x1760
[  552.055089][ T8353]  __rtnl_newlink+0x1173/0x1930
[  552.059949][ T8353]  ? rtnl_link_unregister+0x260/0x260
[  552.065335][ T8353]  rtnl_newlink+0x67/0xa0
[  552.069661][ T8353]  ? __rtnl_newlink+0x1930/0x1930
[  552.074683][ T8353]  rtnetlink_rcv_msg+0x3c7/0xe00
[  552.079616][ T8353]  ? rtnl_fill_vf+0x4a0/0x4a0
[  552.084287][ T8353]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  552.090271][ T8353]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  552.096257][ T8353]  netlink_rcv_skb+0x16b/0x440
[  552.101024][ T8353]  ? rtnl_fill_vf+0x4a0/0x4a0
[  552.105698][ T8353]  ? netlink_ack+0x1380/0x1380
[  552.110460][ T8353]  ? lock_sync+0x190/0x190
[  552.114924][ T8353]  ? netlink_deliver_tap+0x1a0/0xd00
[  552.120208][ T8353]  ? _copy_from_iter+0x2c1/0x10f0
[  552.125238][ T8353]  netlink_unicast+0x53b/0x810
[  552.130012][ T8353]  ? netlink_attachskb+0x880/0x880
[  552.135125][ T8353]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  552.141017][ T8353]  ? __phys_addr_symbol+0x30/0x70
[  552.146039][ T8353]  ? __check_object_size+0x323/0x730
[  552.151322][ T8353]  netlink_sendmsg+0x93c/0xe40
[  552.156090][ T8353]  ? netlink_unicast+0x810/0x810
[  552.161035][ T8353]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  552.166314][ T8353]  ? netlink_unicast+0x810/0x810
[  552.171250][ T8353]  __sock_sendmsg+0xd5/0x180
[  552.175837][ T8353]  ____sys_sendmsg+0x6ac/0x940
[  552.180597][ T8353]  ? copy_msghdr_from_user+0x10b/0x160
[  552.186059][ T8353]  ? kernel_sendmsg+0x50/0x50
[  552.190740][ T8353]  ___sys_sendmsg+0x135/0x1d0
[  552.195418][ T8353]  ? do_recvmmsg+0x740/0x740
[  552.200006][ T8353]  ? find_held_lock+0x2d/0x110
[  552.204777][ T8353]  ? preempt_count_sub+0x160/0x160
[  552.209891][ T8353]  ? __fget_light+0x1fc/0x260
[  552.214567][ T8353]  __sys_sendmsg+0x117/0x1e0
[  552.219157][ T8353]  ? __sys_sendmsg_sock+0x30/0x30
[  552.224191][ T8353]  ? syscall_enter_from_user_mode+0x7f/0x120
[  552.230176][ T8353]  do_syscall_64+0x40/0x110
[  552.234676][ T8353]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  552.240571][ T8353] RIP: 0033:0x7ff3fd6020b9
[  552.244978][ T8353] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  552.264851][ T8353] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  552.273265][ T8353] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  552.281241][ T8353] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  552.289213][ T8353] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  552.297178][ T8353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  552.305139][ T8353] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  552.313115][ T8353]  </TASK>
[  552.317602][ T8353] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  552.398128][ T8354] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  552.408238][ T8354] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  552.417415][ T8354] CPU: 1 PID: 8354 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  552.427843][ T8354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  552.437895][ T8354] Call Trace:
[  552.441170][ T8354]  <TASK>
[  552.444095][ T8354]  dump_stack_lvl+0x125/0x1b0
[  552.448775][ T8354]  sysfs_warn_dup+0x7f/0xa0
[  552.453276][ T8354]  sysfs_create_dir_ns+0x249/0x2b0
[  552.458390][ T8354]  ? sysfs_create_mount_point+0xb0/0xb0
[  552.463935][ T8354]  ? spin_bug+0x1d0/0x1d0
[  552.468259][ T8354]  ? net_namespace+0x12/0x40
[  552.472849][ T8354]  ? device_namespace+0x8d/0xc0
[  552.477710][ T8354]  kobject_add_internal+0x2c8/0x970
[  552.482912][ T8354]  kobject_add+0x16f/0x240
[  552.487327][ T8354]  ? kset_create_and_add+0x190/0x190
[  552.492612][ T8354]  ? do_raw_spin_unlock+0x173/0x230
[  552.497806][ T8354]  ? kobject_put+0xbe/0x440
[  552.502324][ T8354]  ? device_add+0xc35/0x1aa0
[  552.506913][ T8354]  device_add+0x289/0x1aa0
[  552.511327][ T8354]  ? device_initialize+0x510/0x510
[  552.516429][ T8354]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  552.523276][ T8354]  ? __init_waitqueue_head+0xca/0x150
[  552.528652][ T8354]  netdev_register_kobject+0x183/0x3f0
[  552.534118][ T8354]  register_netdevice+0xbe6/0x14b0
[  552.539235][ T8354]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  552.545125][ T8354]  ? validate_linkmsg+0x6fc/0x9c0
[  552.550149][ T8354]  br_dev_newlink+0x27/0x110
[  552.554747][ T8354]  ? br_changelink+0x1760/0x1760
[  552.559680][ T8354]  __rtnl_newlink+0x1173/0x1930
[  552.564548][ T8354]  ? rtnl_link_unregister+0x260/0x260
[  552.569958][ T8354]  rtnl_newlink+0x67/0xa0
[  552.574292][ T8354]  ? __rtnl_newlink+0x1930/0x1930
[  552.579314][ T8354]  rtnetlink_rcv_msg+0x3c7/0xe00
[  552.584253][ T8354]  ? rtnl_fill_vf+0x4a0/0x4a0
[  552.588930][ T8354]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  552.594911][ T8354]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  552.600906][ T8354]  netlink_rcv_skb+0x16b/0x440
[  552.605711][ T8354]  ? rtnl_fill_vf+0x4a0/0x4a0
[  552.610387][ T8354]  ? netlink_ack+0x1380/0x1380
[  552.615157][ T8354]  ? lock_sync+0x190/0x190
[  552.619584][ T8354]  ? netlink_deliver_tap+0x1a0/0xd00
[  552.624871][ T8354]  ? _copy_from_iter+0x2c1/0x10f0
[  552.630096][ T8354]  netlink_unicast+0x53b/0x810
[  552.634869][ T8354]  ? netlink_attachskb+0x880/0x880
[  552.639981][ T8354]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  552.645877][ T8354]  ? __phys_addr_symbol+0x30/0x70
[  552.650901][ T8354]  ? __check_object_size+0x323/0x730
[  552.656183][ T8354]  netlink_sendmsg+0x93c/0xe40
[  552.660951][ T8354]  ? netlink_unicast+0x810/0x810
[  552.665891][ T8354]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  552.671171][ T8354]  ? netlink_unicast+0x810/0x810
[  552.676128][ T8354]  __sock_sendmsg+0xd5/0x180
[  552.680717][ T8354]  ____sys_sendmsg+0x6ac/0x940
[  552.685473][ T8354]  ? copy_msghdr_from_user+0x10b/0x160
[  552.690931][ T8354]  ? kernel_sendmsg+0x50/0x50
[  552.695607][ T8354]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  552.701594][ T8354]  ___sys_sendmsg+0x135/0x1d0
[  552.706270][ T8354]  ? do_recvmmsg+0x740/0x740
[  552.710858][ T8354]  ? find_held_lock+0x2d/0x110
[  552.715626][ T8354]  ? preempt_count_sub+0x160/0x160
[  552.720738][ T8354]  ? __fget_light+0x1fc/0x260
[  552.725408][ T8354]  __sys_sendmsg+0x117/0x1e0
[  552.729996][ T8354]  ? __sys_sendmsg_sock+0x30/0x30
[  552.735026][ T8354]  ? xfd_validate_state+0x5d/0x180
[  552.740147][ T8354]  ? syscall_enter_from_user_mode+0x7f/0x120
[  552.746132][ T8354]  do_syscall_64+0x40/0x110
[  552.750660][ T8354]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  552.756552][ T8354] RIP: 0033:0x7ff3fd6020b9
[  552.760960][ T8354] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  552.780563][ T8354] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  552.788972][ T8354] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  552.796936][ T8354] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  552.804900][ T8354] RBP: 00000000000869e3 R08: 0000000000000000 R09: 0000000000000006
[  552.812865][ T8354] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  552.820830][ T8354] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  552.828815][ T8354]  </TASK>
[  552.833573][ T8354] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  552.885194][ T8354] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  552.894412][ T8354] CPU: 1 PID: 8354 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  552.904825][ T8354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  552.914866][ T8354] Call Trace:
[  552.918160][ T8354]  <TASK>
[  552.921080][ T8354]  dump_stack_lvl+0x125/0x1b0
[  552.925751][ T8354]  sysfs_warn_dup+0x7f/0xa0
[  552.930245][ T8354]  sysfs_create_dir_ns+0x249/0x2b0
[  552.935347][ T8354]  ? sysfs_create_mount_point+0xb0/0xb0
[  552.940883][ T8354]  ? spin_bug+0x1d0/0x1d0
[  552.945210][ T8354]  ? net_namespace+0x12/0x40
[  552.949822][ T8354]  ? device_namespace+0x8d/0xc0
[  552.955026][ T8354]  kobject_add_internal+0x2c8/0x970
[  552.960260][ T8354]  kobject_add+0x16f/0x240
[  552.964678][ T8354]  ? kset_create_and_add+0x190/0x190
[  552.969979][ T8354]  ? do_raw_spin_unlock+0x173/0x230
[  552.975198][ T8354]  ? kobject_put+0xbe/0x440
[  552.979720][ T8354]  ? device_add+0xc35/0x1aa0
[  552.984318][ T8354]  device_add+0x289/0x1aa0
[  552.988739][ T8354]  ? device_initialize+0x510/0x510
[  552.993850][ T8354]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  553.000704][ T8354]  ? __init_waitqueue_head+0xca/0x150
[  553.006082][ T8354]  netdev_register_kobject+0x183/0x3f0
[  553.011552][ T8354]  register_netdevice+0xbe6/0x14b0
[  553.016675][ T8354]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  553.022571][ T8354]  ? validate_linkmsg+0x6fc/0x9c0
[  553.027600][ T8354]  br_dev_newlink+0x27/0x110
[  553.032193][ T8354]  ? br_changelink+0x1760/0x1760
[  553.037132][ T8354]  __rtnl_newlink+0x1173/0x1930
[  553.041994][ T8354]  ? rtnl_link_unregister+0x260/0x260
[  553.047385][ T8354]  rtnl_newlink+0x67/0xa0
[  553.051727][ T8354]  ? __rtnl_newlink+0x1930/0x1930
[  553.056751][ T8354]  rtnetlink_rcv_msg+0x3c7/0xe00
[  553.061689][ T8354]  ? rtnl_fill_vf+0x4a0/0x4a0
[  553.066363][ T8354]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  553.072346][ T8354]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  553.078337][ T8354]  netlink_rcv_skb+0x16b/0x440
[  553.083108][ T8354]  ? rtnl_fill_vf+0x4a0/0x4a0
[  553.087786][ T8354]  ? netlink_ack+0x1380/0x1380
[  553.092571][ T8354]  ? lock_sync+0x190/0x190
[  553.097030][ T8354]  ? netlink_deliver_tap+0x1a0/0xd00
[  553.102344][ T8354]  ? _copy_from_iter+0x2c1/0x10f0
[  553.107406][ T8354]  netlink_unicast+0x53b/0x810
[  553.112195][ T8354]  ? netlink_attachskb+0x880/0x880
[  553.117313][ T8354]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  553.123207][ T8354]  ? __phys_addr_symbol+0x30/0x70
[  553.128262][ T8354]  ? __check_object_size+0x323/0x730
[  553.133551][ T8354]  netlink_sendmsg+0x93c/0xe40
[  553.138323][ T8354]  ? netlink_unicast+0x810/0x810
[  553.143263][ T8354]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  553.148548][ T8354]  ? netlink_unicast+0x810/0x810
[  553.153486][ T8354]  __sock_sendmsg+0xd5/0x180
[  553.158080][ T8354]  ____sys_sendmsg+0x6ac/0x940
[  553.162844][ T8354]  ? copy_msghdr_from_user+0x10b/0x160
[  553.168307][ T8354]  ? kernel_sendmsg+0x50/0x50
[  553.172980][ T8354]  ? hlock_class+0x4e/0x130
[  553.177480][ T8354]  ? __lock_acquire+0x14e0/0x3b10
[  553.182540][ T8354]  ___sys_sendmsg+0x135/0x1d0
[  553.187226][ T8354]  ? do_recvmmsg+0x740/0x740
[  553.191814][ T8354]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  553.197796][ T8354]  ? find_held_lock+0x2d/0x110
[  553.202578][ T8354]  ? __fget_light+0x1fc/0x260
[  553.207250][ T8354]  __sys_sendmsg+0x117/0x1e0
[  553.211841][ T8354]  ? __sys_sendmsg_sock+0x30/0x30
[  553.216865][ T8354]  ? __do_sys_rseq+0x750/0x750
[  553.221640][ T8354]  ? syscall_enter_from_user_mode+0x7f/0x120
[  553.227626][ T8354]  do_syscall_64+0x40/0x110
[  553.232131][ T8354]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  553.238029][ T8354] RIP: 0033:0x7ff3fd6020b9
[  553.242435][ T8354] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  553.262311][ T8354] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  553.270718][ T8354] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  553.278683][ T8354] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  553.286650][ T8354] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  553.294616][ T8354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  553.302584][ T8354] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  553.310556][ T8354]  </TASK>
[  553.314990][ T8354] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  553.369278][ T8355] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  553.379445][ T8355] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  553.388619][ T8355] CPU: 0 PID: 8355 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  553.399058][ T8355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  553.409130][ T8355] Call Trace:
[  553.412423][ T8355]  <TASK>
[  553.415367][ T8355]  dump_stack_lvl+0x125/0x1b0
[  553.420036][ T8355]  sysfs_warn_dup+0x7f/0xa0
[  553.424530][ T8355]  sysfs_create_dir_ns+0x249/0x2b0
[  553.429633][ T8355]  ? sysfs_create_mount_point+0xb0/0xb0
[  553.435170][ T8355]  ? spin_bug+0x1d0/0x1d0
[  553.439488][ T8355]  ? net_namespace+0x12/0x40
[  553.444069][ T8355]  ? device_namespace+0x8d/0xc0
[  553.448913][ T8355]  kobject_add_internal+0x2c8/0x970
[  553.454107][ T8355]  kobject_add+0x16f/0x240
[  553.458519][ T8355]  ? kset_create_and_add+0x190/0x190
[  553.463804][ T8355]  ? do_raw_spin_unlock+0x173/0x230
[  553.469008][ T8355]  ? kobject_put+0xbe/0x440
[  553.473500][ T8355]  ? device_add+0xc35/0x1aa0
[  553.478082][ T8355]  device_add+0x289/0x1aa0
[  553.482486][ T8355]  ? device_initialize+0x510/0x510
[  553.487589][ T8355]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  553.494430][ T8355]  ? __init_waitqueue_head+0xca/0x150
[  553.499798][ T8355]  netdev_register_kobject+0x183/0x3f0
[  553.505253][ T8355]  register_netdevice+0xbe6/0x14b0
[  553.510357][ T8355]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  553.516239][ T8355]  ? validate_linkmsg+0x6fc/0x9c0
[  553.521273][ T8355]  br_dev_newlink+0x27/0x110
[  553.525859][ T8355]  ? br_changelink+0x1760/0x1760
[  553.530782][ T8355]  __rtnl_newlink+0x1173/0x1930
[  553.535630][ T8355]  ? rtnl_link_unregister+0x260/0x260
[  553.541033][ T8355]  rtnl_newlink+0x67/0xa0
[  553.545358][ T8355]  ? __rtnl_newlink+0x1930/0x1930
[  553.550379][ T8355]  rtnetlink_rcv_msg+0x3c7/0xe00
[  553.555307][ T8355]  ? rtnl_fill_vf+0x4a0/0x4a0
[  553.559975][ T8355]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  553.565947][ T8355]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  553.571932][ T8355]  netlink_rcv_skb+0x16b/0x440
[  553.576694][ T8355]  ? rtnl_fill_vf+0x4a0/0x4a0
[  553.581362][ T8355]  ? netlink_ack+0x1380/0x1380
[  553.586119][ T8355]  ? lock_sync+0x190/0x190
[  553.590534][ T8355]  ? netlink_deliver_tap+0x1a0/0xd00
[  553.595817][ T8355]  ? _copy_from_iter+0x2c1/0x10f0
[  553.600836][ T8355]  netlink_unicast+0x53b/0x810
[  553.605598][ T8355]  ? netlink_attachskb+0x880/0x880
[  553.610706][ T8355]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  553.616596][ T8355]  ? __phys_addr_symbol+0x30/0x70
[  553.621615][ T8355]  ? __check_object_size+0x323/0x730
[  553.626895][ T8355]  netlink_sendmsg+0x93c/0xe40
[  553.631658][ T8355]  ? netlink_unicast+0x810/0x810
[  553.636595][ T8355]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  553.641889][ T8355]  ? netlink_unicast+0x810/0x810
[  553.646823][ T8355]  __sock_sendmsg+0xd5/0x180
[  553.651404][ T8355]  ____sys_sendmsg+0x6ac/0x940
[  553.656158][ T8355]  ? copy_msghdr_from_user+0x10b/0x160
[  553.661609][ T8355]  ? kernel_sendmsg+0x50/0x50
[  553.666284][ T8355]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  553.672282][ T8355]  ___sys_sendmsg+0x135/0x1d0
[  553.676952][ T8355]  ? do_recvmmsg+0x740/0x740
[  553.681535][ T8355]  ? find_held_lock+0x2d/0x110
[  553.686300][ T8355]  ? preempt_count_sub+0x160/0x160
[  553.691432][ T8355]  ? __fget_light+0x1fc/0x260
[  553.696100][ T8355]  __sys_sendmsg+0x117/0x1e0
[  553.700705][ T8355]  ? __sys_sendmsg_sock+0x30/0x30
[  553.705720][ T8355]  ? xfd_validate_state+0x5d/0x180
[  553.710834][ T8355]  ? syscall_enter_from_user_mode+0x7f/0x120
[  553.716809][ T8355]  do_syscall_64+0x40/0x110
[  553.721303][ T8355]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  553.727188][ T8355] RIP: 0033:0x7ff3fd6020b9
[  553.731595][ T8355] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  553.751277][ T8355] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  553.759686][ T8355] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  553.767644][ T8355] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  553.775603][ T8355] RBP: 0000000000086db7 R08: 0000000000000000 R09: 0000000000000006
[  553.783582][ T8355] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  553.791538][ T8355] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  553.799507][ T8355]  </TASK>
[  553.802744][ T8355] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  553.843452][ T8355] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  553.852773][ T8355] CPU: 0 PID: 8355 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  553.863182][ T8355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  553.873234][ T8355] Call Trace:
[  553.876507][ T8355]  <TASK>
[  553.879430][ T8355]  dump_stack_lvl+0x125/0x1b0
[  553.884101][ T8355]  sysfs_warn_dup+0x7f/0xa0
[  553.888600][ T8355]  sysfs_create_dir_ns+0x249/0x2b0
[  553.893704][ T8355]  ? sysfs_create_mount_point+0xb0/0xb0
[  553.899239][ T8355]  ? spin_bug+0x1d0/0x1d0
[  553.903558][ T8355]  ? net_namespace+0x12/0x40
[  553.908136][ T8355]  ? device_namespace+0x8d/0xc0
[  553.912980][ T8355]  kobject_add_internal+0x2c8/0x970
[  553.918172][ T8355]  kobject_add+0x16f/0x240
[  553.922606][ T8355]  ? kset_create_and_add+0x190/0x190
[  553.927884][ T8355]  ? do_raw_spin_unlock+0x173/0x230
[  553.933072][ T8355]  ? kobject_put+0xbe/0x440
[  553.937588][ T8355]  ? device_add+0xc35/0x1aa0
[  553.942177][ T8355]  device_add+0x289/0x1aa0
[  553.946588][ T8355]  ? device_initialize+0x510/0x510
[  553.951690][ T8355]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  553.958529][ T8355]  ? __init_waitqueue_head+0xca/0x150
[  553.963902][ T8355]  netdev_register_kobject+0x183/0x3f0
[  553.969367][ T8355]  register_netdevice+0xbe6/0x14b0
[  553.974504][ T8355]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  553.980387][ T8355]  ? validate_linkmsg+0x6fc/0x9c0
[  553.985403][ T8355]  br_dev_newlink+0x27/0x110
[  553.990012][ T8355]  ? br_changelink+0x1760/0x1760
[  553.994955][ T8355]  __rtnl_newlink+0x1173/0x1930
[  553.999838][ T8355]  ? rtnl_link_unregister+0x260/0x260
[  554.005239][ T8355]  rtnl_newlink+0x67/0xa0
[  554.009559][ T8355]  ? __rtnl_newlink+0x1930/0x1930
[  554.014579][ T8355]  rtnetlink_rcv_msg+0x3c7/0xe00
[  554.019519][ T8355]  ? rtnl_fill_vf+0x4a0/0x4a0
[  554.024187][ T8355]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  554.030158][ T8355]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  554.036139][ T8355]  netlink_rcv_skb+0x16b/0x440
[  554.040898][ T8355]  ? rtnl_fill_vf+0x4a0/0x4a0
[  554.045567][ T8355]  ? netlink_ack+0x1380/0x1380
[  554.050332][ T8355]  ? lock_sync+0x190/0x190
[  554.054751][ T8355]  ? netlink_deliver_tap+0x1a0/0xd00
[  554.060028][ T8355]  ? _copy_from_iter+0x2c1/0x10f0
[  554.065049][ T8355]  netlink_unicast+0x53b/0x810
[  554.069811][ T8355]  ? netlink_attachskb+0x880/0x880
[  554.074923][ T8355]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  554.080834][ T8355]  ? __phys_addr_symbol+0x30/0x70
[  554.085850][ T8355]  ? __check_object_size+0x323/0x730
[  554.091127][ T8355]  netlink_sendmsg+0x93c/0xe40
[  554.095887][ T8355]  ? netlink_unicast+0x810/0x810
[  554.100840][ T8355]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  554.106132][ T8355]  ? netlink_unicast+0x810/0x810
[  554.111071][ T8355]  __sock_sendmsg+0xd5/0x180
[  554.115673][ T8355]  ____sys_sendmsg+0x6ac/0x940
[  554.120429][ T8355]  ? copy_msghdr_from_user+0x10b/0x160
[  554.125877][ T8355]  ? kernel_sendmsg+0x50/0x50
[  554.130545][ T8355]  ? hlock_class+0x4e/0x130
[  554.135044][ T8355]  ? __lock_acquire+0x14e0/0x3b10
[  554.140105][ T8355]  ___sys_sendmsg+0x135/0x1d0
[  554.144775][ T8355]  ? do_recvmmsg+0x740/0x740
[  554.149374][ T8355]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  554.155368][ T8355]  ? find_held_lock+0x2d/0x110
[  554.160133][ T8355]  ? __fget_light+0x1fc/0x260
[  554.164800][ T8355]  __sys_sendmsg+0x117/0x1e0
[  554.169379][ T8355]  ? __sys_sendmsg_sock+0x30/0x30
[  554.174394][ T8355]  ? __do_sys_rseq+0x750/0x750
[  554.179167][ T8355]  ? syscall_enter_from_user_mode+0x7f/0x120
[  554.185162][ T8355]  do_syscall_64+0x40/0x110
[  554.189670][ T8355]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  554.195583][ T8355] RIP: 0033:0x7ff3fd6020b9
[  554.199989][ T8355] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  554.219619][ T8355] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  554.228021][ T8355] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  554.235983][ T8355] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  554.243943][ T8355] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  554.251920][ T8355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  554.259885][ T8355] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  554.267855][ T8355]  </TASK>
[  554.271775][ T8355] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  554.316970][ T8356] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  554.327063][ T8356] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  554.336208][ T8356] CPU: 1 PID: 8356 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  554.346650][ T8356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  554.356697][ T8356] Call Trace:
[  554.359965][ T8356]  <TASK>
[  554.362885][ T8356]  dump_stack_lvl+0x125/0x1b0
[  554.367557][ T8356]  sysfs_warn_dup+0x7f/0xa0
[  554.372052][ T8356]  sysfs_create_dir_ns+0x249/0x2b0
[  554.377159][ T8356]  ? sysfs_create_mount_point+0xb0/0xb0
[  554.382702][ T8356]  ? spin_bug+0x1d0/0x1d0
[  554.387022][ T8356]  ? net_namespace+0x12/0x40
[  554.391604][ T8356]  ? device_namespace+0x8d/0xc0
[  554.396458][ T8356]  kobject_add_internal+0x2c8/0x970
[  554.401691][ T8356]  kobject_add+0x16f/0x240
[  554.406102][ T8356]  ? kset_create_and_add+0x190/0x190
[  554.411385][ T8356]  ? do_raw_spin_unlock+0x173/0x230
[  554.416579][ T8356]  ? kobject_put+0xbe/0x440
[  554.421081][ T8356]  ? device_add+0xc35/0x1aa0
[  554.425673][ T8356]  device_add+0x289/0x1aa0
[  554.430086][ T8356]  ? device_initialize+0x510/0x510
[  554.435211][ T8356]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  554.442059][ T8356]  ? __init_waitqueue_head+0xca/0x150
[  554.447436][ T8356]  netdev_register_kobject+0x183/0x3f0
[  554.452905][ T8356]  register_netdevice+0xbe6/0x14b0
[  554.458020][ T8356]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  554.463913][ T8356]  ? validate_linkmsg+0x6fc/0x9c0
[  554.468937][ T8356]  br_dev_newlink+0x27/0x110
[  554.473534][ T8356]  ? br_changelink+0x1760/0x1760
[  554.478464][ T8356]  __rtnl_newlink+0x1173/0x1930
[  554.483326][ T8356]  ? rtnl_link_unregister+0x260/0x260
[  554.488717][ T8356]  rtnl_newlink+0x67/0xa0
[  554.493053][ T8356]  ? __rtnl_newlink+0x1930/0x1930
[  554.498101][ T8356]  rtnetlink_rcv_msg+0x3c7/0xe00
[  554.503037][ T8356]  ? rtnl_fill_vf+0x4a0/0x4a0
[  554.507714][ T8356]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  554.513698][ T8356]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  554.519682][ T8356]  netlink_rcv_skb+0x16b/0x440
[  554.524447][ T8356]  ? rtnl_fill_vf+0x4a0/0x4a0
[  554.529147][ T8356]  ? netlink_ack+0x1380/0x1380
[  554.533914][ T8356]  ? lock_sync+0x190/0x190
[  554.538338][ T8356]  ? netlink_deliver_tap+0x1a0/0xd00
[  554.543623][ T8356]  ? _copy_from_iter+0x2c1/0x10f0
[  554.548653][ T8356]  netlink_unicast+0x53b/0x810
[  554.553425][ T8356]  ? netlink_attachskb+0x880/0x880
[  554.558537][ T8356]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  554.564432][ T8356]  ? __phys_addr_symbol+0x30/0x70
[  554.569457][ T8356]  ? __check_object_size+0x323/0x730
[  554.574743][ T8356]  netlink_sendmsg+0x93c/0xe40
[  554.579518][ T8356]  ? netlink_unicast+0x810/0x810
[  554.584459][ T8356]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  554.589744][ T8356]  ? netlink_unicast+0x810/0x810
[  554.594682][ T8356]  __sock_sendmsg+0xd5/0x180
[  554.599298][ T8356]  ____sys_sendmsg+0x6ac/0x940
[  554.604063][ T8356]  ? copy_msghdr_from_user+0x10b/0x160
[  554.609524][ T8356]  ? kernel_sendmsg+0x50/0x50
[  554.614201][ T8356]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  554.620183][ T8356]  ___sys_sendmsg+0x135/0x1d0
[  554.624858][ T8356]  ? do_recvmmsg+0x740/0x740
[  554.629443][ T8356]  ? find_held_lock+0x2d/0x110
[  554.634211][ T8356]  ? preempt_count_sub+0x160/0x160
[  554.639325][ T8356]  ? __fget_light+0x1fc/0x260
[  554.643997][ T8356]  __sys_sendmsg+0x117/0x1e0
[  554.648591][ T8356]  ? __sys_sendmsg_sock+0x30/0x30
[  554.653625][ T8356]  ? syscall_enter_from_user_mode+0x7f/0x120
[  554.659608][ T8356]  do_syscall_64+0x40/0x110
[  554.664106][ T8356]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  554.669998][ T8356] RIP: 0033:0x7ff3fd6020b9
[  554.674404][ T8356] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  554.694007][ T8356] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  554.702411][ T8356] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  554.710374][ T8356] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  554.718337][ T8356] RBP: 0000000000087182 R08: 0000000000000000 R09: 0000000000000006
[  554.726323][ T8356] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  554.734344][ T8356] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  554.742339][ T8356]  </TASK>
[  554.746713][ T8356] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  554.813446][ T8356] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  554.822666][ T8356] CPU: 1 PID: 8356 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  554.833073][ T8356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  554.843118][ T8356] Call Trace:
[  554.846389][ T8356]  <TASK>
[  554.849310][ T8356]  dump_stack_lvl+0x125/0x1b0
[  554.853989][ T8356]  sysfs_warn_dup+0x7f/0xa0
[  554.858559][ T8356]  sysfs_create_dir_ns+0x249/0x2b0
[  554.863686][ T8356]  ? sysfs_create_mount_point+0xb0/0xb0
[  554.869223][ T8356]  ? spin_bug+0x1d0/0x1d0
[  554.873555][ T8356]  ? net_namespace+0x12/0x40
[  554.878145][ T8356]  ? device_namespace+0x8d/0xc0
[  554.883003][ T8356]  kobject_add_internal+0x2c8/0x970
[  554.888215][ T8356]  kobject_add+0x16f/0x240
[  554.892630][ T8356]  ? kset_create_and_add+0x190/0x190
[  554.897923][ T8356]  ? do_raw_spin_unlock+0x173/0x230
[  554.903118][ T8356]  ? kobject_put+0xbe/0x440
[  554.907618][ T8356]  ? device_add+0xc35/0x1aa0
[  554.912208][ T8356]  device_add+0x289/0x1aa0
[  554.916624][ T8356]  ? device_initialize+0x510/0x510
[  554.921728][ T8356]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  554.928578][ T8356]  ? __init_waitqueue_head+0xca/0x150
[  554.933953][ T8356]  netdev_register_kobject+0x183/0x3f0
[  554.939417][ T8356]  register_netdevice+0xbe6/0x14b0
[  554.944530][ T8356]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  554.950426][ T8356]  ? validate_linkmsg+0x6fc/0x9c0
[  554.955451][ T8356]  br_dev_newlink+0x27/0x110
[  554.960037][ T8356]  ? br_changelink+0x1760/0x1760
[  554.964973][ T8356]  __rtnl_newlink+0x1173/0x1930
[  554.969829][ T8356]  ? rtnl_link_unregister+0x260/0x260
[  554.975216][ T8356]  rtnl_newlink+0x67/0xa0
[  554.979550][ T8356]  ? __rtnl_newlink+0x1930/0x1930
[  554.984577][ T8356]  rtnetlink_rcv_msg+0x3c7/0xe00
[  554.989512][ T8356]  ? rtnl_fill_vf+0x4a0/0x4a0
[  554.994188][ T8356]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  555.000168][ T8356]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  555.006156][ T8356]  netlink_rcv_skb+0x16b/0x440
[  555.010924][ T8356]  ? rtnl_fill_vf+0x4a0/0x4a0
[  555.015600][ T8356]  ? netlink_ack+0x1380/0x1380
[  555.020362][ T8356]  ? lock_sync+0x190/0x190
[  555.024786][ T8356]  ? netlink_deliver_tap+0x1a0/0xd00
[  555.030069][ T8356]  ? _copy_from_iter+0x2c1/0x10f0
[  555.035100][ T8356]  netlink_unicast+0x53b/0x810
[  555.039864][ T8356]  ? netlink_attachskb+0x880/0x880
[  555.044972][ T8356]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  555.050864][ T8356]  ? __phys_addr_symbol+0x30/0x70
[  555.055884][ T8356]  ? __check_object_size+0x323/0x730
[  555.061168][ T8356]  netlink_sendmsg+0x93c/0xe40
[  555.065935][ T8356]  ? netlink_unicast+0x810/0x810
[  555.070877][ T8356]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  555.076157][ T8356]  ? netlink_unicast+0x810/0x810
[  555.081182][ T8356]  __sock_sendmsg+0xd5/0x180
[  555.085795][ T8356]  ____sys_sendmsg+0x6ac/0x940
[  555.090560][ T8356]  ? copy_msghdr_from_user+0x10b/0x160
[  555.096017][ T8356]  ? kernel_sendmsg+0x50/0x50
[  555.100697][ T8356]  ? hlock_class+0x4e/0x130
[  555.105198][ T8356]  ? __lock_acquire+0x14e0/0x3b10
[  555.110223][ T8356]  ___sys_sendmsg+0x135/0x1d0
[  555.114901][ T8356]  ? do_recvmmsg+0x740/0x740
[  555.119488][ T8356]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  555.125470][ T8356]  ? find_held_lock+0x2d/0x110
[  555.130249][ T8356]  ? __fget_light+0x1fc/0x260
[  555.134922][ T8356]  __sys_sendmsg+0x117/0x1e0
[  555.139514][ T8356]  ? __sys_sendmsg_sock+0x30/0x30
[  555.144543][ T8356]  ? xfd_validate_state+0x5d/0x180
[  555.149666][ T8356]  ? syscall_enter_from_user_mode+0x7f/0x120
[  555.155653][ T8356]  do_syscall_64+0x40/0x110
[  555.160153][ T8356]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  555.166046][ T8356] RIP: 0033:0x7ff3fd6020b9
[  555.170450][ T8356] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  555.190073][ T8356] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  555.198477][ T8356] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  555.206468][ T8356] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  555.214470][ T8356] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  555.222463][ T8356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  555.230430][ T8356] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  555.238411][ T8356]  </TASK>
[  555.243140][ T8356] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.298077][ T8357] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  555.308177][ T8357] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  555.317344][ T8357] CPU: 1 PID: 8357 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  555.327768][ T8357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  555.337863][ T8357] Call Trace:
[  555.341165][ T8357]  <TASK>
[  555.344107][ T8357]  dump_stack_lvl+0x125/0x1b0
[  555.348778][ T8357]  sysfs_warn_dup+0x7f/0xa0
[  555.353273][ T8357]  sysfs_create_dir_ns+0x249/0x2b0
[  555.358375][ T8357]  ? sysfs_create_mount_point+0xb0/0xb0
[  555.363911][ T8357]  ? spin_bug+0x1d0/0x1d0
[  555.368231][ T8357]  ? net_namespace+0x12/0x40
[  555.372837][ T8357]  ? device_namespace+0x8d/0xc0
[  555.377688][ T8357]  kobject_add_internal+0x2c8/0x970
[  555.382896][ T8357]  kobject_add+0x16f/0x240
[  555.387337][ T8357]  ? kset_create_and_add+0x190/0x190
[  555.392617][ T8357]  ? do_raw_spin_unlock+0x173/0x230
[  555.397808][ T8357]  ? kobject_put+0xbe/0x440
[  555.402302][ T8357]  ? device_add+0xc35/0x1aa0
[  555.406888][ T8357]  device_add+0x289/0x1aa0
[  555.411297][ T8357]  ? device_initialize+0x510/0x510
[  555.416399][ T8357]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  555.423259][ T8357]  ? __init_waitqueue_head+0xca/0x150
[  555.428646][ T8357]  netdev_register_kobject+0x183/0x3f0
[  555.434110][ T8357]  register_netdevice+0xbe6/0x14b0
[  555.439223][ T8357]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  555.445111][ T8357]  ? validate_linkmsg+0x6fc/0x9c0
[  555.450130][ T8357]  br_dev_newlink+0x27/0x110
[  555.454715][ T8357]  ? br_changelink+0x1760/0x1760
[  555.459643][ T8357]  __rtnl_newlink+0x1173/0x1930
[  555.464499][ T8357]  ? rtnl_link_unregister+0x260/0x260
[  555.469907][ T8357]  rtnl_newlink+0x67/0xa0
[  555.474238][ T8357]  ? __rtnl_newlink+0x1930/0x1930
[  555.479270][ T8357]  rtnetlink_rcv_msg+0x3c7/0xe00
[  555.484201][ T8357]  ? rtnl_fill_vf+0x4a0/0x4a0
[  555.488878][ T8357]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  555.494855][ T8357]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  555.500840][ T8357]  netlink_rcv_skb+0x16b/0x440
[  555.505601][ T8357]  ? rtnl_fill_vf+0x4a0/0x4a0
[  555.510270][ T8357]  ? netlink_ack+0x1380/0x1380
[  555.515029][ T8357]  ? lock_sync+0x190/0x190
[  555.519446][ T8357]  ? netlink_deliver_tap+0x1a0/0xd00
[  555.524727][ T8357]  ? _copy_from_iter+0x2c1/0x10f0
[  555.529768][ T8357]  netlink_unicast+0x53b/0x810
[  555.534559][ T8357]  ? netlink_attachskb+0x880/0x880
[  555.539691][ T8357]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  555.545586][ T8357]  ? __phys_addr_symbol+0x30/0x70
[  555.550611][ T8357]  ? __check_object_size+0x323/0x730
[  555.555910][ T8357]  netlink_sendmsg+0x93c/0xe40
[  555.560689][ T8357]  ? netlink_unicast+0x810/0x810
[  555.565634][ T8357]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  555.570912][ T8357]  ? netlink_unicast+0x810/0x810
[  555.575842][ T8357]  __sock_sendmsg+0xd5/0x180
[  555.580424][ T8357]  ____sys_sendmsg+0x6ac/0x940
[  555.585192][ T8357]  ? copy_msghdr_from_user+0x10b/0x160
[  555.590680][ T8357]  ? kernel_sendmsg+0x50/0x50
[  555.595359][ T8357]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  555.601344][ T8357]  ___sys_sendmsg+0x135/0x1d0
[  555.606048][ T8357]  ? do_recvmmsg+0x740/0x740
[  555.610643][ T8357]  ? find_held_lock+0x2d/0x110
[  555.615421][ T8357]  ? preempt_count_sub+0x160/0x160
[  555.620530][ T8357]  ? __fget_light+0x1fc/0x260
[  555.625201][ T8357]  __sys_sendmsg+0x117/0x1e0
[  555.629790][ T8357]  ? __sys_sendmsg_sock+0x30/0x30
[  555.634808][ T8357]  ? xfd_validate_state+0x5d/0x180
[  555.639922][ T8357]  ? syscall_enter_from_user_mode+0x7f/0x120
[  555.645899][ T8357]  do_syscall_64+0x40/0x110
[  555.650399][ T8357]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  555.656292][ T8357] RIP: 0033:0x7ff3fd6020b9
[  555.660710][ T8357] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  555.680326][ T8357] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  555.688744][ T8357] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  555.696711][ T8357] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  555.704672][ T8357] RBP: 0000000000087536 R08: 0000000000000000 R09: 0000000000000006
[  555.712635][ T8357] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  555.720615][ T8357] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  555.728637][ T8357]  </TASK>
[  555.733255][ T8357] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  555.783195][ T8357] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  555.792472][ T8357] CPU: 1 PID: 8357 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  555.802906][ T8357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  555.812958][ T8357] Call Trace:
[  555.816232][ T8357]  <TASK>
[  555.819155][ T8357]  dump_stack_lvl+0x125/0x1b0
[  555.823830][ T8357]  sysfs_warn_dup+0x7f/0xa0
[  555.828332][ T8357]  sysfs_create_dir_ns+0x249/0x2b0
[  555.833454][ T8357]  ? sysfs_create_mount_point+0xb0/0xb0
[  555.839043][ T8357]  ? spin_bug+0x1d0/0x1d0
[  555.843369][ T8357]  ? net_namespace+0x12/0x40
[  555.848048][ T8357]  ? device_namespace+0x8d/0xc0
[  555.852907][ T8357]  kobject_add_internal+0x2c8/0x970
[  555.858118][ T8357]  kobject_add+0x16f/0x240
[  555.862539][ T8357]  ? kset_create_and_add+0x190/0x190
[  555.867861][ T8357]  ? do_raw_spin_unlock+0x173/0x230
[  555.873057][ T8357]  ? kobject_put+0xbe/0x440
[  555.877562][ T8357]  ? device_add+0xc35/0x1aa0
[  555.882154][ T8357]  device_add+0x289/0x1aa0
[  555.886569][ T8357]  ? device_initialize+0x510/0x510
[  555.891674][ T8357]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  555.898523][ T8357]  ? __init_waitqueue_head+0xca/0x150
[  555.903900][ T8357]  netdev_register_kobject+0x183/0x3f0
[  555.909363][ T8357]  register_netdevice+0xbe6/0x14b0
[  555.914477][ T8357]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  555.920456][ T8357]  ? validate_linkmsg+0x6fc/0x9c0
[  555.925479][ T8357]  br_dev_newlink+0x27/0x110
[  555.930068][ T8357]  ? br_changelink+0x1760/0x1760
[  555.935032][ T8357]  __rtnl_newlink+0x1173/0x1930
[  555.939908][ T8357]  ? rtnl_link_unregister+0x260/0x260
[  555.945302][ T8357]  rtnl_newlink+0x67/0xa0
[  555.949637][ T8357]  ? __rtnl_newlink+0x1930/0x1930
[  555.954666][ T8357]  rtnetlink_rcv_msg+0x3c7/0xe00
[  555.959642][ T8357]  ? rtnl_fill_vf+0x4a0/0x4a0
[  555.964321][ T8357]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  555.970334][ T8357]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  555.976324][ T8357]  netlink_rcv_skb+0x16b/0x440
[  555.981095][ T8357]  ? rtnl_fill_vf+0x4a0/0x4a0
[  555.985776][ T8357]  ? netlink_ack+0x1380/0x1380
[  555.990542][ T8357]  ? lock_sync+0x190/0x190
[  555.994971][ T8357]  ? netlink_deliver_tap+0x1a0/0xd00
[  556.000257][ T8357]  ? _copy_from_iter+0x2c1/0x10f0
[  556.005287][ T8357]  netlink_unicast+0x53b/0x810
[  556.010055][ T8357]  ? netlink_attachskb+0x880/0x880
[  556.015167][ T8357]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  556.021069][ T8357]  ? __phys_addr_symbol+0x30/0x70
[  556.026095][ T8357]  ? __check_object_size+0x323/0x730
[  556.031384][ T8357]  netlink_sendmsg+0x93c/0xe40
[  556.036156][ T8357]  ? netlink_unicast+0x810/0x810
[  556.041107][ T8357]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  556.046387][ T8357]  ? netlink_unicast+0x810/0x810
[  556.051329][ T8357]  __sock_sendmsg+0xd5/0x180
[  556.055920][ T8357]  ____sys_sendmsg+0x6ac/0x940
[  556.060684][ T8357]  ? copy_msghdr_from_user+0x10b/0x160
[  556.066151][ T8357]  ? kernel_sendmsg+0x50/0x50
[  556.070836][ T8357]  ___sys_sendmsg+0x135/0x1d0
[  556.075513][ T8357]  ? do_recvmmsg+0x740/0x740
[  556.080098][ T8357]  ? find_held_lock+0x2d/0x110
[  556.084872][ T8357]  ? preempt_count_sub+0x160/0x160
[  556.089989][ T8357]  ? __fget_light+0x1fc/0x260
[  556.094663][ T8357]  __sys_sendmsg+0x117/0x1e0
[  556.099255][ T8357]  ? __sys_sendmsg_sock+0x30/0x30
[  556.104319][ T8357]  ? syscall_enter_from_user_mode+0x7f/0x120
[  556.110340][ T8357]  do_syscall_64+0x40/0x110
[  556.114861][ T8357]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  556.120764][ T8357] RIP: 0033:0x7ff3fd6020b9
[  556.125175][ T8357] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  556.144783][ T8357] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  556.153193][ T8357] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  556.161158][ T8357] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  556.169120][ T8357] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  556.177081][ T8357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  556.185049][ T8357] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  556.193051][ T8357]  </TASK>
[  556.197607][ T8357] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  556.257422][ T8358] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  556.267557][ T8358] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  556.276722][ T8358] CPU: 0 PID: 8358 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  556.287147][ T8358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  556.297193][ T8358] Call Trace:
[  556.300465][ T8358]  <TASK>
[  556.303391][ T8358]  dump_stack_lvl+0x125/0x1b0
[  556.308066][ T8358]  sysfs_warn_dup+0x7f/0xa0
[  556.312569][ T8358]  sysfs_create_dir_ns+0x249/0x2b0
[  556.317703][ T8358]  ? sysfs_create_mount_point+0xb0/0xb0
[  556.323242][ T8358]  ? spin_bug+0x1d0/0x1d0
[  556.327567][ T8358]  ? net_namespace+0x12/0x40
[  556.332185][ T8358]  ? device_namespace+0x8d/0xc0
[  556.337043][ T8358]  kobject_add_internal+0x2c8/0x970
[  556.342249][ T8358]  kobject_add+0x16f/0x240
[  556.346691][ T8358]  ? kset_create_and_add+0x190/0x190
[  556.351977][ T8358]  ? do_raw_spin_unlock+0x173/0x230
[  556.357176][ T8358]  ? kobject_put+0xbe/0x440
[  556.361678][ T8358]  ? device_add+0xc35/0x1aa0
[  556.366268][ T8358]  device_add+0x289/0x1aa0
[  556.370691][ T8358]  ? device_initialize+0x510/0x510
[  556.375794][ T8358]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  556.382731][ T8358]  ? __init_waitqueue_head+0xca/0x150
[  556.388111][ T8358]  netdev_register_kobject+0x183/0x3f0
[  556.393580][ T8358]  register_netdevice+0xbe6/0x14b0
[  556.398703][ T8358]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  556.404601][ T8358]  ? validate_linkmsg+0x6fc/0x9c0
[  556.409628][ T8358]  br_dev_newlink+0x27/0x110
[  556.414220][ T8358]  ? br_changelink+0x1760/0x1760
[  556.419154][ T8358]  __rtnl_newlink+0x1173/0x1930
[  556.424043][ T8358]  ? rtnl_link_unregister+0x260/0x260
[  556.429436][ T8358]  rtnl_newlink+0x67/0xa0
[  556.433771][ T8358]  ? __rtnl_newlink+0x1930/0x1930
[  556.438792][ T8358]  rtnetlink_rcv_msg+0x3c7/0xe00
[  556.443729][ T8358]  ? rtnl_fill_vf+0x4a0/0x4a0
[  556.448402][ T8358]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  556.454385][ T8358]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  556.460372][ T8358]  netlink_rcv_skb+0x16b/0x440
[  556.465137][ T8358]  ? rtnl_fill_vf+0x4a0/0x4a0
[  556.469815][ T8358]  ? netlink_ack+0x1380/0x1380
[  556.474603][ T8358]  ? lock_sync+0x190/0x190
[  556.479027][ T8358]  ? netlink_deliver_tap+0x1a0/0xd00
[  556.484311][ T8358]  ? _copy_from_iter+0x2c1/0x10f0
[  556.489341][ T8358]  netlink_unicast+0x53b/0x810
[  556.494110][ T8358]  ? netlink_attachskb+0x880/0x880
[  556.499244][ T8358]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  556.505139][ T8358]  ? __phys_addr_symbol+0x30/0x70
[  556.510161][ T8358]  ? __check_object_size+0x323/0x730
[  556.515445][ T8358]  netlink_sendmsg+0x93c/0xe40
[  556.520212][ T8358]  ? netlink_unicast+0x810/0x810
[  556.525151][ T8358]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  556.530434][ T8358]  ? netlink_unicast+0x810/0x810
[  556.535374][ T8358]  __sock_sendmsg+0xd5/0x180
[  556.539965][ T8358]  ____sys_sendmsg+0x6ac/0x940
[  556.544729][ T8358]  ? copy_msghdr_from_user+0x10b/0x160
[  556.550198][ T8358]  ? kernel_sendmsg+0x50/0x50
[  556.554882][ T8358]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  556.560878][ T8358]  ___sys_sendmsg+0x135/0x1d0
[  556.565568][ T8358]  ? do_recvmmsg+0x740/0x740
[  556.570158][ T8358]  ? find_held_lock+0x2d/0x110
[  556.574930][ T8358]  ? preempt_count_sub+0x160/0x160
[  556.580042][ T8358]  ? __fget_light+0x1fc/0x260
[  556.584716][ T8358]  __sys_sendmsg+0x117/0x1e0
[  556.589307][ T8358]  ? __sys_sendmsg_sock+0x30/0x30
[  556.594327][ T8358]  ? xfd_validate_state+0x5d/0x180
[  556.599447][ T8358]  ? syscall_enter_from_user_mode+0x7f/0x120
[  556.605427][ T8358]  do_syscall_64+0x40/0x110
[  556.609925][ T8358]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  556.615816][ T8358] RIP: 0033:0x7ff3fd6020b9
[  556.620220][ T8358] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  556.639859][ T8358] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  556.648269][ T8358] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  556.656231][ T8358] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  556.664213][ T8358] RBP: 000000000008790b R08: 0000000000000000 R09: 0000000000000006
[  556.672196][ T8358] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  556.680174][ T8358] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  556.688146][ T8358]  </TASK>
[  556.691515][ T8358] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  556.743343][ T8358] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  556.752617][ T8358] CPU: 0 PID: 8358 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  556.763019][ T8358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  556.773075][ T8358] Call Trace:
[  556.776344][ T8358]  <TASK>
[  556.779264][ T8358]  dump_stack_lvl+0x125/0x1b0
[  556.783944][ T8358]  sysfs_warn_dup+0x7f/0xa0
[  556.788469][ T8358]  sysfs_create_dir_ns+0x249/0x2b0
[  556.793836][ T8358]  ? sysfs_create_mount_point+0xb0/0xb0
[  556.799379][ T8358]  ? spin_bug+0x1d0/0x1d0
[  556.803702][ T8358]  ? net_namespace+0x12/0x40
[  556.808288][ T8358]  ? device_namespace+0x8d/0xc0
[  556.813179][ T8358]  kobject_add_internal+0x2c8/0x970
[  556.818383][ T8358]  kobject_add+0x16f/0x240
[  556.822803][ T8358]  ? kset_create_and_add+0x190/0x190
[  556.828086][ T8358]  ? do_raw_spin_unlock+0x173/0x230
[  556.833280][ T8358]  ? kobject_put+0xbe/0x440
[  556.838306][ T8358]  ? device_add+0xc35/0x1aa0
[  556.842897][ T8358]  device_add+0x289/0x1aa0
[  556.847344][ T8358]  ? device_initialize+0x510/0x510
[  556.852471][ T8358]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  556.859331][ T8358]  ? __init_waitqueue_head+0xca/0x150
[  556.864718][ T8358]  netdev_register_kobject+0x183/0x3f0
[  556.870195][ T8358]  register_netdevice+0xbe6/0x14b0
[  556.875312][ T8358]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  556.881208][ T8358]  ? validate_linkmsg+0x6fc/0x9c0
[  556.886228][ T8358]  br_dev_newlink+0x27/0x110
[  556.890834][ T8358]  ? br_changelink+0x1760/0x1760
[  556.895766][ T8358]  __rtnl_newlink+0x1173/0x1930
[  556.900625][ T8358]  ? rtnl_link_unregister+0x260/0x260
[  556.906014][ T8358]  rtnl_newlink+0x67/0xa0
[  556.910336][ T8358]  ? __rtnl_newlink+0x1930/0x1930
[  556.915358][ T8358]  rtnetlink_rcv_msg+0x3c7/0xe00
[  556.920293][ T8358]  ? rtnl_fill_vf+0x4a0/0x4a0
[  556.924966][ T8358]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  556.930954][ T8358]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  556.936936][ T8358]  netlink_rcv_skb+0x16b/0x440
[  556.941709][ T8358]  ? rtnl_fill_vf+0x4a0/0x4a0
[  556.946383][ T8358]  ? netlink_ack+0x1380/0x1380
[  556.951147][ T8358]  ? lock_sync+0x190/0x190
[  556.955581][ T8358]  ? netlink_deliver_tap+0x1a0/0xd00
[  556.960866][ T8358]  ? _copy_from_iter+0x2c1/0x10f0
[  556.965896][ T8358]  netlink_unicast+0x53b/0x810
[  556.970663][ T8358]  ? netlink_attachskb+0x880/0x880
[  556.975775][ T8358]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  556.981666][ T8358]  ? __phys_addr_symbol+0x30/0x70
[  556.986692][ T8358]  ? __check_object_size+0x323/0x730
[  556.992001][ T8358]  netlink_sendmsg+0x93c/0xe40
[  556.996769][ T8358]  ? netlink_unicast+0x810/0x810
[  557.001708][ T8358]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  557.006996][ T8358]  ? netlink_unicast+0x810/0x810
[  557.011934][ T8358]  __sock_sendmsg+0xd5/0x180
[  557.016525][ T8358]  ____sys_sendmsg+0x6ac/0x940
[  557.021284][ T8358]  ? copy_msghdr_from_user+0x10b/0x160
[  557.026741][ T8358]  ? kernel_sendmsg+0x50/0x50
[  557.031414][ T8358]  ? hlock_class+0x4e/0x130
[  557.035919][ T8358]  ? __lock_acquire+0x14e0/0x3b10
[  557.040952][ T8358]  ___sys_sendmsg+0x135/0x1d0
[  557.045633][ T8358]  ? do_recvmmsg+0x740/0x740
[  557.050223][ T8358]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  557.056211][ T8358]  ? find_held_lock+0x2d/0x110
[  557.060995][ T8358]  ? __fget_light+0x1fc/0x260
[  557.065668][ T8358]  __sys_sendmsg+0x117/0x1e0
[  557.070255][ T8358]  ? __sys_sendmsg_sock+0x30/0x30
[  557.075285][ T8358]  ? __do_sys_rseq+0x750/0x750
[  557.080056][ T8358]  ? syscall_enter_from_user_mode+0x7f/0x120
[  557.086069][ T8358]  do_syscall_64+0x40/0x110
[  557.090572][ T8358]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  557.096471][ T8358] RIP: 0033:0x7ff3fd6020b9
[  557.100878][ T8358] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  557.120489][ T8358] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  557.128902][ T8358] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  557.136869][ T8358] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  557.144834][ T8358] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  557.152798][ T8358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  557.160760][ T8358] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  557.168737][ T8358]  </TASK>
[  557.172078][ T8358] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  557.227786][ T8359] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  557.237923][ T8359] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  557.247085][ T8359] CPU: 1 PID: 8359 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  557.257519][ T8359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  557.267568][ T8359] Call Trace:
[  557.270841][ T8359]  <TASK>
[  557.273763][ T8359]  dump_stack_lvl+0x125/0x1b0
[  557.278433][ T8359]  sysfs_warn_dup+0x7f/0xa0
[  557.282931][ T8359]  sysfs_create_dir_ns+0x249/0x2b0
[  557.288037][ T8359]  ? sysfs_create_mount_point+0xb0/0xb0
[  557.293572][ T8359]  ? spin_bug+0x1d0/0x1d0
[  557.297892][ T8359]  ? net_namespace+0x12/0x40
[  557.302474][ T8359]  ? device_namespace+0x8d/0xc0
[  557.307321][ T8359]  kobject_add_internal+0x2c8/0x970
[  557.312512][ T8359]  kobject_add+0x16f/0x240
[  557.316918][ T8359]  ? kset_create_and_add+0x190/0x190
[  557.322211][ T8359]  ? do_raw_spin_unlock+0x173/0x230
[  557.327424][ T8359]  ? kobject_put+0xbe/0x440
[  557.331918][ T8359]  ? device_add+0xc35/0x1aa0
[  557.336534][ T8359]  device_add+0x289/0x1aa0
[  557.340954][ T8359]  ? device_initialize+0x510/0x510
[  557.346056][ T8359]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  557.352901][ T8359]  ? __init_waitqueue_head+0xca/0x150
[  557.358272][ T8359]  netdev_register_kobject+0x183/0x3f0
[  557.363730][ T8359]  register_netdevice+0xbe6/0x14b0
[  557.368891][ T8359]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  557.374835][ T8359]  ? validate_linkmsg+0x6fc/0x9c0
[  557.379871][ T8359]  br_dev_newlink+0x27/0x110
[  557.384467][ T8359]  ? br_changelink+0x1760/0x1760
[  557.389415][ T8359]  __rtnl_newlink+0x1173/0x1930
[  557.394298][ T8359]  ? rtnl_link_unregister+0x260/0x260
[  557.399693][ T8359]  rtnl_newlink+0x67/0xa0
[  557.404021][ T8359]  ? __rtnl_newlink+0x1930/0x1930
[  557.409065][ T8359]  rtnetlink_rcv_msg+0x3c7/0xe00
[  557.414005][ T8359]  ? rtnl_fill_vf+0x4a0/0x4a0
[  557.418702][ T8359]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  557.424681][ T8359]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  557.430679][ T8359]  netlink_rcv_skb+0x16b/0x440
[  557.435465][ T8359]  ? rtnl_fill_vf+0x4a0/0x4a0
[  557.440137][ T8359]  ? netlink_ack+0x1380/0x1380
[  557.444896][ T8359]  ? lock_sync+0x190/0x190
[  557.449311][ T8359]  ? netlink_deliver_tap+0x1a0/0xd00
[  557.454679][ T8359]  ? _copy_from_iter+0x2c1/0x10f0
[  557.459698][ T8359]  netlink_unicast+0x53b/0x810
[  557.464484][ T8359]  ? netlink_attachskb+0x880/0x880
[  557.469585][ T8359]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  557.475472][ T8359]  ? __phys_addr_symbol+0x30/0x70
[  557.480498][ T8359]  ? __check_object_size+0x323/0x730
[  557.485807][ T8359]  netlink_sendmsg+0x93c/0xe40
[  557.490567][ T8359]  ? netlink_unicast+0x810/0x810
[  557.495502][ T8359]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  557.500777][ T8359]  ? netlink_unicast+0x810/0x810
[  557.505708][ T8359]  __sock_sendmsg+0xd5/0x180
[  557.510288][ T8359]  ____sys_sendmsg+0x6ac/0x940
[  557.515045][ T8359]  ? copy_msghdr_from_user+0x10b/0x160
[  557.520500][ T8359]  ? kernel_sendmsg+0x50/0x50
[  557.525171][ T8359]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  557.531146][ T8359]  ___sys_sendmsg+0x135/0x1d0
[  557.535817][ T8359]  ? do_recvmmsg+0x740/0x740
[  557.540409][ T8359]  ? find_held_lock+0x2d/0x110
[  557.545187][ T8359]  ? preempt_count_sub+0x160/0x160
[  557.550291][ T8359]  ? __fget_light+0x1fc/0x260
[  557.554959][ T8359]  __sys_sendmsg+0x117/0x1e0
[  557.559542][ T8359]  ? __sys_sendmsg_sock+0x30/0x30
[  557.564558][ T8359]  ? xfd_validate_state+0x5d/0x180
[  557.569673][ T8359]  ? syscall_enter_from_user_mode+0x7f/0x120
[  557.575658][ T8359]  do_syscall_64+0x40/0x110
[  557.580152][ T8359]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  557.586040][ T8359] RIP: 0033:0x7ff3fd6020b9
[  557.590464][ T8359] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  557.610066][ T8359] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  557.618466][ T8359] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  557.626452][ T8359] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  557.634411][ T8359] RBP: 0000000000087ccb R08: 0000000000000000 R09: 0000000000000006
[  557.642369][ T8359] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  557.650330][ T8359] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  557.658302][ T8359]  </TASK>
[  557.663224][ T8359] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  557.713293][ T8359] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  557.722606][ T8359] CPU: 1 PID: 8359 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  557.733013][ T8359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  557.743058][ T8359] Call Trace:
[  557.746326][ T8359]  <TASK>
[  557.749245][ T8359]  dump_stack_lvl+0x125/0x1b0
[  557.753918][ T8359]  sysfs_warn_dup+0x7f/0xa0
[  557.758428][ T8359]  sysfs_create_dir_ns+0x249/0x2b0
[  557.763562][ T8359]  ? sysfs_create_mount_point+0xb0/0xb0
[  557.769097][ T8359]  ? spin_bug+0x1d0/0x1d0
[  557.773414][ T8359]  ? net_namespace+0x12/0x40
[  557.777994][ T8359]  ? device_namespace+0x8d/0xc0
[  557.782844][ T8359]  kobject_add_internal+0x2c8/0x970
[  557.788049][ T8359]  kobject_add+0x16f/0x240
[  557.792463][ T8359]  ? kset_create_and_add+0x190/0x190
[  557.797745][ T8359]  ? do_raw_spin_unlock+0x173/0x230
[  557.802940][ T8359]  ? kobject_put+0xbe/0x440
[  557.807444][ T8359]  ? device_add+0xc35/0x1aa0
[  557.812036][ T8359]  device_add+0x289/0x1aa0
[  557.816450][ T8359]  ? device_initialize+0x510/0x510
[  557.821554][ T8359]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  557.828399][ T8359]  ? __init_waitqueue_head+0xca/0x150
[  557.833800][ T8359]  netdev_register_kobject+0x183/0x3f0
[  557.839282][ T8359]  register_netdevice+0xbe6/0x14b0
[  557.844408][ T8359]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  557.850304][ T8359]  ? validate_linkmsg+0x6fc/0x9c0
[  557.855333][ T8359]  br_dev_newlink+0x27/0x110
[  557.859933][ T8359]  ? br_changelink+0x1760/0x1760
[  557.864882][ T8359]  __rtnl_newlink+0x1173/0x1930
[  557.869743][ T8359]  ? rtnl_link_unregister+0x260/0x260
[  557.875131][ T8359]  rtnl_newlink+0x67/0xa0
[  557.879461][ T8359]  ? __rtnl_newlink+0x1930/0x1930
[  557.884496][ T8359]  rtnetlink_rcv_msg+0x3c7/0xe00
[  557.889447][ T8359]  ? rtnl_fill_vf+0x4a0/0x4a0
[  557.894130][ T8359]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  557.900121][ T8359]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  557.906114][ T8359]  netlink_rcv_skb+0x16b/0x440
[  557.910915][ T8359]  ? rtnl_fill_vf+0x4a0/0x4a0
[  557.915590][ T8359]  ? netlink_ack+0x1380/0x1380
[  557.920350][ T8359]  ? lock_sync+0x190/0x190
[  557.924801][ T8359]  ? netlink_deliver_tap+0x1a0/0xd00
[  557.930086][ T8359]  ? _copy_from_iter+0x2c1/0x10f0
[  557.935133][ T8359]  netlink_unicast+0x53b/0x810
[  557.939902][ T8359]  ? netlink_attachskb+0x880/0x880
[  557.945010][ T8359]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  557.950903][ T8359]  ? __phys_addr_symbol+0x30/0x70
[  557.955924][ T8359]  ? __check_object_size+0x323/0x730
[  557.961209][ T8359]  netlink_sendmsg+0x93c/0xe40
[  557.965979][ T8359]  ? netlink_unicast+0x810/0x810
[  557.970925][ T8359]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  557.976206][ T8359]  ? netlink_unicast+0x810/0x810
[  557.981144][ T8359]  __sock_sendmsg+0xd5/0x180
[  557.985735][ T8359]  ____sys_sendmsg+0x6ac/0x940
[  557.990496][ T8359]  ? copy_msghdr_from_user+0x10b/0x160
[  557.995953][ T8359]  ? kernel_sendmsg+0x50/0x50
[  558.000641][ T8359]  ___sys_sendmsg+0x135/0x1d0
[  558.005323][ T8359]  ? do_recvmmsg+0x740/0x740
[  558.009906][ T8359]  ? find_held_lock+0x2d/0x110
[  558.014675][ T8359]  ? preempt_count_sub+0x160/0x160
[  558.019787][ T8359]  ? __fget_light+0x1fc/0x260
[  558.024460][ T8359]  __sys_sendmsg+0x117/0x1e0
[  558.029049][ T8359]  ? __sys_sendmsg_sock+0x30/0x30
[  558.034081][ T8359]  ? syscall_enter_from_user_mode+0x7f/0x120
[  558.040062][ T8359]  do_syscall_64+0x40/0x110
[  558.044589][ T8359]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  558.050481][ T8359] RIP: 0033:0x7ff3fd6020b9
[  558.054891][ T8359] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  558.074492][ T8359] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  558.082899][ T8359] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  558.090863][ T8359] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  558.098850][ T8359] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  558.106812][ T8359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  558.114797][ T8359] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  558.122770][ T8359]  </TASK>
[  558.127198][ T8359] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  558.196944][ T8360] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  558.207150][ T8360] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  558.216305][ T8360] CPU: 1 PID: 8360 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  558.226722][ T8360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  558.236764][ T8360] Call Trace:
[  558.240038][ T8360]  <TASK>
[  558.242959][ T8360]  dump_stack_lvl+0x125/0x1b0
[  558.247635][ T8360]  sysfs_warn_dup+0x7f/0xa0
[  558.252134][ T8360]  sysfs_create_dir_ns+0x249/0x2b0
[  558.257245][ T8360]  ? sysfs_create_mount_point+0xb0/0xb0
[  558.262875][ T8360]  ? spin_bug+0x1d0/0x1d0
[  558.267200][ T8360]  ? net_namespace+0x12/0x40
[  558.271786][ T8360]  ? device_namespace+0x8d/0xc0
[  558.276638][ T8360]  kobject_add_internal+0x2c8/0x970
[  558.281843][ T8360]  kobject_add+0x16f/0x240
[  558.286258][ T8360]  ? kset_create_and_add+0x190/0x190
[  558.291545][ T8360]  ? do_raw_spin_unlock+0x173/0x230
[  558.296739][ T8360]  ? kobject_put+0xbe/0x440
[  558.301243][ T8360]  ? device_add+0xc35/0x1aa0
[  558.305833][ T8360]  device_add+0x289/0x1aa0
[  558.310250][ T8360]  ? device_initialize+0x510/0x510
[  558.315353][ T8360]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  558.322203][ T8360]  ? __init_waitqueue_head+0xca/0x150
[  558.327577][ T8360]  netdev_register_kobject+0x183/0x3f0
[  558.333042][ T8360]  register_netdevice+0xbe6/0x14b0
[  558.338156][ T8360]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  558.344047][ T8360]  ? validate_linkmsg+0x6fc/0x9c0
[  558.349068][ T8360]  br_dev_newlink+0x27/0x110
[  558.353699][ T8360]  ? br_changelink+0x1760/0x1760
[  558.358632][ T8360]  __rtnl_newlink+0x1173/0x1930
[  558.363513][ T8360]  ? rtnl_link_unregister+0x260/0x260
[  558.368905][ T8360]  rtnl_newlink+0x67/0xa0
[  558.373234][ T8360]  ? __rtnl_newlink+0x1930/0x1930
[  558.378253][ T8360]  rtnetlink_rcv_msg+0x3c7/0xe00
[  558.383187][ T8360]  ? rtnl_fill_vf+0x4a0/0x4a0
[  558.387863][ T8360]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  558.393849][ T8360]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  558.399834][ T8360]  netlink_rcv_skb+0x16b/0x440
[  558.404621][ T8360]  ? rtnl_fill_vf+0x4a0/0x4a0
[  558.409295][ T8360]  ? netlink_ack+0x1380/0x1380
[  558.414061][ T8360]  ? lock_sync+0x190/0x190
[  558.418487][ T8360]  ? netlink_deliver_tap+0x1a0/0xd00
[  558.423771][ T8360]  ? _copy_from_iter+0x2c1/0x10f0
[  558.428800][ T8360]  netlink_unicast+0x53b/0x810
[  558.433570][ T8360]  ? netlink_attachskb+0x880/0x880
[  558.438677][ T8360]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  558.444566][ T8360]  ? __phys_addr_symbol+0x30/0x70
[  558.449587][ T8360]  ? __check_object_size+0x323/0x730
[  558.454868][ T8360]  netlink_sendmsg+0x93c/0xe40
[  558.459633][ T8360]  ? netlink_unicast+0x810/0x810
[  558.464572][ T8360]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  558.469851][ T8360]  ? netlink_unicast+0x810/0x810
[  558.474787][ T8360]  __sock_sendmsg+0xd5/0x180
[  558.479382][ T8360]  ____sys_sendmsg+0x6ac/0x940
[  558.484403][ T8360]  ? copy_msghdr_from_user+0x10b/0x160
[  558.489884][ T8360]  ? kernel_sendmsg+0x50/0x50
[  558.494562][ T8360]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  558.500547][ T8360]  ___sys_sendmsg+0x135/0x1d0
[  558.505253][ T8360]  ? do_recvmmsg+0x740/0x740
[  558.509839][ T8360]  ? find_held_lock+0x2d/0x110
[  558.514611][ T8360]  ? preempt_count_sub+0x160/0x160
[  558.519729][ T8360]  ? __fget_light+0x1fc/0x260
[  558.524407][ T8360]  __sys_sendmsg+0x117/0x1e0
[  558.528999][ T8360]  ? __sys_sendmsg_sock+0x30/0x30
[  558.534027][ T8360]  ? xfd_validate_state+0x5d/0x180
[  558.539152][ T8360]  ? syscall_enter_from_user_mode+0x7f/0x120
[  558.545137][ T8360]  do_syscall_64+0x40/0x110
[  558.549636][ T8360]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  558.555534][ T8360] RIP: 0033:0x7ff3fd6020b9
[  558.559940][ T8360] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  558.579543][ T8360] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  558.587949][ T8360] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  558.595921][ T8360] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  558.603886][ T8360] RBP: 0000000000088095 R08: 0000000000000000 R09: 0000000000000006
[  558.611851][ T8360] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  558.619813][ T8360] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  558.627790][ T8360]  </TASK>
[  558.632839][ T8360] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  558.693426][ T8360] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  558.702721][ T8360] CPU: 1 PID: 8360 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  558.713256][ T8360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  558.723308][ T8360] Call Trace:
[  558.726585][ T8360]  <TASK>
[  558.729507][ T8360]  dump_stack_lvl+0x125/0x1b0
[  558.734188][ T8360]  sysfs_warn_dup+0x7f/0xa0
[  558.738699][ T8360]  sysfs_create_dir_ns+0x249/0x2b0
[  558.743814][ T8360]  ? sysfs_create_mount_point+0xb0/0xb0
[  558.749365][ T8360]  ? spin_bug+0x1d0/0x1d0
[  558.753695][ T8360]  ? net_namespace+0x12/0x40
[  558.758324][ T8360]  ? device_namespace+0x8d/0xc0
[  558.763203][ T8360]  kobject_add_internal+0x2c8/0x970
[  558.768406][ T8360]  kobject_add+0x16f/0x240
[  558.772830][ T8360]  ? kset_create_and_add+0x190/0x190
[  558.778128][ T8360]  ? do_raw_spin_unlock+0x173/0x230
[  558.783315][ T8360]  ? kobject_put+0xbe/0x440
[  558.787813][ T8360]  ? device_add+0xc35/0x1aa0
[  558.792394][ T8360]  device_add+0x289/0x1aa0
[  558.796819][ T8360]  ? device_initialize+0x510/0x510
[  558.801918][ T8360]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  558.808760][ T8360]  ? __init_waitqueue_head+0xca/0x150
[  558.814128][ T8360]  netdev_register_kobject+0x183/0x3f0
[  558.819584][ T8360]  register_netdevice+0xbe6/0x14b0
[  558.824712][ T8360]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  558.830598][ T8360]  ? validate_linkmsg+0x6fc/0x9c0
[  558.835631][ T8360]  br_dev_newlink+0x27/0x110
[  558.840212][ T8360]  ? br_changelink+0x1760/0x1760
[  558.845137][ T8360]  __rtnl_newlink+0x1173/0x1930
[  558.849984][ T8360]  ? rtnl_link_unregister+0x260/0x260
[  558.855359][ T8360]  rtnl_newlink+0x67/0xa0
[  558.859707][ T8360]  ? __rtnl_newlink+0x1930/0x1930
[  558.864736][ T8360]  rtnetlink_rcv_msg+0x3c7/0xe00
[  558.869716][ T8360]  ? rtnl_fill_vf+0x4a0/0x4a0
[  558.874391][ T8360]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  558.880385][ T8360]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  558.886381][ T8360]  netlink_rcv_skb+0x16b/0x440
[  558.891155][ T8360]  ? rtnl_fill_vf+0x4a0/0x4a0
[  558.895835][ T8360]  ? netlink_ack+0x1380/0x1380
[  558.900614][ T8360]  ? lock_sync+0x190/0x190
[  558.905053][ T8360]  ? netlink_deliver_tap+0x1a0/0xd00
[  558.910341][ T8360]  ? _copy_from_iter+0x2c1/0x10f0
[  558.915388][ T8360]  netlink_unicast+0x53b/0x810
[  558.920150][ T8360]  ? netlink_attachskb+0x880/0x880
[  558.925259][ T8360]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  558.931151][ T8360]  ? __phys_addr_symbol+0x30/0x70
[  558.936189][ T8360]  ? __check_object_size+0x323/0x730
[  558.941482][ T8360]  netlink_sendmsg+0x93c/0xe40
[  558.946251][ T8360]  ? netlink_unicast+0x810/0x810
[  558.951190][ T8360]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  558.956472][ T8360]  ? netlink_unicast+0x810/0x810
[  558.961409][ T8360]  __sock_sendmsg+0xd5/0x180
[  558.965998][ T8360]  ____sys_sendmsg+0x6ac/0x940
[  558.970757][ T8360]  ? copy_msghdr_from_user+0x10b/0x160
[  558.976215][ T8360]  ? kernel_sendmsg+0x50/0x50
[  558.980886][ T8360]  ? hlock_class+0x4e/0x130
[  558.985387][ T8360]  ? __lock_acquire+0x14e0/0x3b10
[  558.990436][ T8360]  ___sys_sendmsg+0x135/0x1d0
[  558.995117][ T8360]  ? do_recvmmsg+0x740/0x740
[  558.999700][ T8360]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  559.005683][ T8360]  ? find_held_lock+0x2d/0x110
[  559.010463][ T8360]  ? __fget_light+0x1fc/0x260
[  559.015174][ T8360]  __sys_sendmsg+0x117/0x1e0
[  559.019760][ T8360]  ? __sys_sendmsg_sock+0x30/0x30
[  559.024807][ T8360]  ? __do_sys_rseq+0x750/0x750
[  559.029576][ T8360]  ? syscall_enter_from_user_mode+0x7f/0x120
[  559.035555][ T8360]  do_syscall_64+0x40/0x110
[  559.040052][ T8360]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  559.045946][ T8360] RIP: 0033:0x7ff3fd6020b9
[  559.050349][ T8360] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  559.069951][ T8360] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  559.078353][ T8360] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  559.086313][ T8360] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  559.094272][ T8360] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  559.102233][ T8360] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  559.110192][ T8360] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  559.118178][ T8360]  </TASK>
[  559.122652][ T8360] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.177562][ T8361] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  559.187802][ T8361] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  559.196977][ T8361] CPU: 1 PID: 8361 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  559.207397][ T8361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  559.217442][ T8361] Call Trace:
[  559.220725][ T8361]  <TASK>
[  559.223650][ T8361]  dump_stack_lvl+0x125/0x1b0
[  559.228335][ T8361]  sysfs_warn_dup+0x7f/0xa0
[  559.232832][ T8361]  sysfs_create_dir_ns+0x249/0x2b0
[  559.237941][ T8361]  ? sysfs_create_mount_point+0xb0/0xb0
[  559.243485][ T8361]  ? spin_bug+0x1d0/0x1d0
[  559.247814][ T8361]  ? net_namespace+0x12/0x40
[  559.252404][ T8361]  ? device_namespace+0x8d/0xc0
[  559.257258][ T8361]  kobject_add_internal+0x2c8/0x970
[  559.262461][ T8361]  kobject_add+0x16f/0x240
[  559.266876][ T8361]  ? kset_create_and_add+0x190/0x190
[  559.272159][ T8361]  ? do_raw_spin_unlock+0x173/0x230
[  559.277350][ T8361]  ? kobject_put+0xbe/0x440
[  559.281853][ T8361]  ? device_add+0xc35/0x1aa0
[  559.286443][ T8361]  device_add+0x289/0x1aa0
[  559.291117][ T8361]  ? device_initialize+0x510/0x510
[  559.296224][ T8361]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  559.303071][ T8361]  ? __init_waitqueue_head+0xca/0x150
[  559.308448][ T8361]  netdev_register_kobject+0x183/0x3f0
[  559.313913][ T8361]  register_netdevice+0xbe6/0x14b0
[  559.319030][ T8361]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  559.324924][ T8361]  ? validate_linkmsg+0x6fc/0x9c0
[  559.329946][ T8361]  br_dev_newlink+0x27/0x110
[  559.334535][ T8361]  ? br_changelink+0x1760/0x1760
[  559.339465][ T8361]  __rtnl_newlink+0x1173/0x1930
[  559.344322][ T8361]  ? rtnl_link_unregister+0x260/0x260
[  559.349714][ T8361]  rtnl_newlink+0x67/0xa0
[  559.354039][ T8361]  ? __rtnl_newlink+0x1930/0x1930
[  559.359145][ T8361]  rtnetlink_rcv_msg+0x3c7/0xe00
[  559.364082][ T8361]  ? rtnl_fill_vf+0x4a0/0x4a0
[  559.368757][ T8361]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  559.374740][ T8361]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  559.380732][ T8361]  netlink_rcv_skb+0x16b/0x440
[  559.385497][ T8361]  ? rtnl_fill_vf+0x4a0/0x4a0
[  559.390172][ T8361]  ? netlink_ack+0x1380/0x1380
[  559.394933][ T8361]  ? lock_sync+0x190/0x190
[  559.399359][ T8361]  ? netlink_deliver_tap+0x1a0/0xd00
[  559.404648][ T8361]  ? _copy_from_iter+0x2c1/0x10f0
[  559.409677][ T8361]  netlink_unicast+0x53b/0x810
[  559.414448][ T8361]  ? netlink_attachskb+0x880/0x880
[  559.419555][ T8361]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  559.425447][ T8361]  ? __phys_addr_symbol+0x30/0x70
[  559.430465][ T8361]  ? __check_object_size+0x323/0x730
[  559.435748][ T8361]  netlink_sendmsg+0x93c/0xe40
[  559.440517][ T8361]  ? netlink_unicast+0x810/0x810
[  559.445458][ T8361]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  559.450742][ T8361]  ? netlink_unicast+0x810/0x810
[  559.455684][ T8361]  __sock_sendmsg+0xd5/0x180
[  559.460276][ T8361]  ____sys_sendmsg+0x6ac/0x940
[  559.465035][ T8361]  ? copy_msghdr_from_user+0x10b/0x160
[  559.470496][ T8361]  ? kernel_sendmsg+0x50/0x50
[  559.475176][ T8361]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  559.481165][ T8361]  ___sys_sendmsg+0x135/0x1d0
[  559.485847][ T8361]  ? do_recvmmsg+0x740/0x740
[  559.490436][ T8361]  ? find_held_lock+0x2d/0x110
[  559.495206][ T8361]  ? preempt_count_sub+0x160/0x160
[  559.500323][ T8361]  ? __fget_light+0x1fc/0x260
[  559.505000][ T8361]  __sys_sendmsg+0x117/0x1e0
[  559.509593][ T8361]  ? __sys_sendmsg_sock+0x30/0x30
[  559.514627][ T8361]  ? syscall_enter_from_user_mode+0x7f/0x120
[  559.520616][ T8361]  do_syscall_64+0x40/0x110
[  559.525117][ T8361]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  559.531011][ T8361] RIP: 0033:0x7ff3fd6020b9
[  559.535420][ T8361] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  559.555024][ T8361] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  559.563430][ T8361] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  559.571396][ T8361] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  559.579361][ T8361] RBP: 000000000008845e R08: 0000000000000000 R09: 0000000000000006
[  559.587326][ T8361] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  559.595291][ T8361] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  559.603265][ T8361]  </TASK>
[  559.608516][ T8361] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  559.663192][ T8361] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  559.672388][ T8361] CPU: 1 PID: 8361 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  559.682830][ T8361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  559.692873][ T8361] Call Trace:
[  559.696143][ T8361]  <TASK>
[  559.699064][ T8361]  dump_stack_lvl+0x125/0x1b0
[  559.703733][ T8361]  sysfs_warn_dup+0x7f/0xa0
[  559.708228][ T8361]  sysfs_create_dir_ns+0x249/0x2b0
[  559.713330][ T8361]  ? sysfs_create_mount_point+0xb0/0xb0
[  559.718867][ T8361]  ? spin_bug+0x1d0/0x1d0
[  559.723186][ T8361]  ? net_namespace+0x12/0x40
[  559.727778][ T8361]  ? device_namespace+0x8d/0xc0
[  559.732630][ T8361]  kobject_add_internal+0x2c8/0x970
[  559.737837][ T8361]  kobject_add+0x16f/0x240
[  559.742280][ T8361]  ? kset_create_and_add+0x190/0x190
[  559.747563][ T8361]  ? do_raw_spin_unlock+0x173/0x230
[  559.752754][ T8361]  ? kobject_put+0xbe/0x440
[  559.757253][ T8361]  ? device_add+0xc35/0x1aa0
[  559.761867][ T8361]  device_add+0x289/0x1aa0
[  559.766300][ T8361]  ? device_initialize+0x510/0x510
[  559.771415][ T8361]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  559.778264][ T8361]  ? __init_waitqueue_head+0xca/0x150
[  559.783641][ T8361]  netdev_register_kobject+0x183/0x3f0
[  559.789106][ T8361]  register_netdevice+0xbe6/0x14b0
[  559.794223][ T8361]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  559.800116][ T8361]  ? validate_linkmsg+0x6fc/0x9c0
[  559.805147][ T8361]  br_dev_newlink+0x27/0x110
[  559.809735][ T8361]  ? br_changelink+0x1760/0x1760
[  559.814670][ T8361]  __rtnl_newlink+0x1173/0x1930
[  559.819539][ T8361]  ? rtnl_link_unregister+0x260/0x260
[  559.824925][ T8361]  rtnl_newlink+0x67/0xa0
[  559.829249][ T8361]  ? __rtnl_newlink+0x1930/0x1930
[  559.834268][ T8361]  rtnetlink_rcv_msg+0x3c7/0xe00
[  559.839202][ T8361]  ? rtnl_fill_vf+0x4a0/0x4a0
[  559.843875][ T8361]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  559.849857][ T8361]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  559.855852][ T8361]  netlink_rcv_skb+0x16b/0x440
[  559.860622][ T8361]  ? rtnl_fill_vf+0x4a0/0x4a0
[  559.865301][ T8361]  ? netlink_ack+0x1380/0x1380
[  559.870065][ T8361]  ? lock_sync+0x190/0x190
[  559.874493][ T8361]  ? netlink_deliver_tap+0x1a0/0xd00
[  559.879776][ T8361]  ? _copy_from_iter+0x2c1/0x10f0
[  559.884803][ T8361]  netlink_unicast+0x53b/0x810
[  559.889578][ T8361]  ? netlink_attachskb+0x880/0x880
[  559.894694][ T8361]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  559.900584][ T8361]  ? __phys_addr_symbol+0x30/0x70
[  559.905628][ T8361]  ? __check_object_size+0x323/0x730
[  559.910911][ T8361]  netlink_sendmsg+0x93c/0xe40
[  559.915682][ T8361]  ? netlink_unicast+0x810/0x810
[  559.920627][ T8361]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  559.925909][ T8361]  ? netlink_unicast+0x810/0x810
[  559.930846][ T8361]  __sock_sendmsg+0xd5/0x180
[  559.935435][ T8361]  ____sys_sendmsg+0x6ac/0x940
[  559.940197][ T8361]  ? copy_msghdr_from_user+0x10b/0x160
[  559.945656][ T8361]  ? kernel_sendmsg+0x50/0x50
[  559.950333][ T8361]  ? hlock_class+0x4e/0x130
[  559.954834][ T8361]  ? __lock_acquire+0x14e0/0x3b10
[  559.959864][ T8361]  ___sys_sendmsg+0x135/0x1d0
[  559.964543][ T8361]  ? do_recvmmsg+0x740/0x740
[  559.969132][ T8361]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  559.975118][ T8361]  ? find_held_lock+0x2d/0x110
[  559.979901][ T8361]  ? __fget_light+0x1fc/0x260
[  559.984576][ T8361]  __sys_sendmsg+0x117/0x1e0
[  559.989165][ T8361]  ? __sys_sendmsg_sock+0x30/0x30
[  559.994189][ T8361]  ? __do_sys_rseq+0x750/0x750
[  559.998956][ T8361]  ? syscall_enter_from_user_mode+0x7f/0x120
[  560.004964][ T8361]  do_syscall_64+0x40/0x110
[  560.009474][ T8361]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  560.015375][ T8361] RIP: 0033:0x7ff3fd6020b9
[  560.019788][ T8361] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  560.039405][ T8361] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  560.047822][ T8361] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  560.055793][ T8361] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  560.063763][ T8361] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  560.071737][ T8361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  560.079706][ T8361] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  560.087687][ T8361]  </TASK>
[  560.091975][ T8361] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  560.147952][ T8362] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  560.158076][ T8362] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  560.167250][ T8362] CPU: 0 PID: 8362 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  560.177679][ T8362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  560.187730][ T8362] Call Trace:
[  560.191003][ T8362]  <TASK>
[  560.193927][ T8362]  dump_stack_lvl+0x125/0x1b0
[  560.198724][ T8362]  sysfs_warn_dup+0x7f/0xa0
[  560.203234][ T8362]  sysfs_create_dir_ns+0x249/0x2b0
[  560.208342][ T8362]  ? sysfs_create_mount_point+0xb0/0xb0
[  560.213881][ T8362]  ? spin_bug+0x1d0/0x1d0
[  560.218203][ T8362]  ? net_namespace+0x12/0x40
[  560.222797][ T8362]  ? device_namespace+0x8d/0xc0
[  560.227650][ T8362]  kobject_add_internal+0x2c8/0x970
[  560.232848][ T8362]  kobject_add+0x16f/0x240
[  560.237265][ T8362]  ? kset_create_and_add+0x190/0x190
[  560.242546][ T8362]  ? do_raw_spin_unlock+0x173/0x230
[  560.247737][ T8362]  ? kobject_put+0xbe/0x440
[  560.252232][ T8362]  ? device_add+0xc35/0x1aa0
[  560.256813][ T8362]  device_add+0x289/0x1aa0
[  560.261220][ T8362]  ? device_initialize+0x510/0x510
[  560.266330][ T8362]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  560.273182][ T8362]  ? __init_waitqueue_head+0xca/0x150
[  560.278561][ T8362]  netdev_register_kobject+0x183/0x3f0
[  560.284032][ T8362]  register_netdevice+0xbe6/0x14b0
[  560.289169][ T8362]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  560.295107][ T8362]  ? validate_linkmsg+0x6fc/0x9c0
[  560.300143][ T8362]  br_dev_newlink+0x27/0x110
[  560.304724][ T8362]  ? br_changelink+0x1760/0x1760
[  560.309653][ T8362]  __rtnl_newlink+0x1173/0x1930
[  560.314498][ T8362]  ? rtnl_link_unregister+0x260/0x260
[  560.319896][ T8362]  rtnl_newlink+0x67/0xa0
[  560.324214][ T8362]  ? __rtnl_newlink+0x1930/0x1930
[  560.329227][ T8362]  rtnetlink_rcv_msg+0x3c7/0xe00
[  560.334154][ T8362]  ? rtnl_fill_vf+0x4a0/0x4a0
[  560.338820][ T8362]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  560.344792][ T8362]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  560.350769][ T8362]  netlink_rcv_skb+0x16b/0x440
[  560.355530][ T8362]  ? rtnl_fill_vf+0x4a0/0x4a0
[  560.360198][ T8362]  ? netlink_ack+0x1380/0x1380
[  560.364956][ T8362]  ? lock_sync+0x190/0x190
[  560.369370][ T8362]  ? netlink_deliver_tap+0x1a0/0xd00
[  560.374647][ T8362]  ? _copy_from_iter+0x2c1/0x10f0
[  560.379673][ T8362]  netlink_unicast+0x53b/0x810
[  560.384429][ T8362]  ? netlink_attachskb+0x880/0x880
[  560.389536][ T8362]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  560.395417][ T8362]  ? __phys_addr_symbol+0x30/0x70
[  560.400429][ T8362]  ? __check_object_size+0x323/0x730
[  560.405708][ T8362]  netlink_sendmsg+0x93c/0xe40
[  560.410466][ T8362]  ? netlink_unicast+0x810/0x810
[  560.415398][ T8362]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  560.420680][ T8362]  ? netlink_unicast+0x810/0x810
[  560.425630][ T8362]  __sock_sendmsg+0xd5/0x180
[  560.430212][ T8362]  ____sys_sendmsg+0x6ac/0x940
[  560.434979][ T8362]  ? copy_msghdr_from_user+0x10b/0x160
[  560.440440][ T8362]  ? kernel_sendmsg+0x50/0x50
[  560.445123][ T8362]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  560.451097][ T8362]  ___sys_sendmsg+0x135/0x1d0
[  560.455769][ T8362]  ? do_recvmmsg+0x740/0x740
[  560.460349][ T8362]  ? find_held_lock+0x2d/0x110
[  560.465109][ T8362]  ? preempt_count_sub+0x160/0x160
[  560.470213][ T8362]  ? __fget_light+0x1fc/0x260
[  560.474890][ T8362]  __sys_sendmsg+0x117/0x1e0
[  560.479472][ T8362]  ? __sys_sendmsg_sock+0x30/0x30
[  560.484490][ T8362]  ? xfd_validate_state+0x5d/0x180
[  560.489605][ T8362]  ? syscall_enter_from_user_mode+0x7f/0x120
[  560.495579][ T8362]  do_syscall_64+0x40/0x110
[  560.500070][ T8362]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  560.505955][ T8362] RIP: 0033:0x7ff3fd6020b9
[  560.510361][ T8362] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  560.529961][ T8362] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  560.538385][ T8362] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  560.546344][ T8362] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  560.554300][ T8362] RBP: 0000000000088833 R08: 0000000000000000 R09: 0000000000000006
[  560.562257][ T8362] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  560.570212][ T8362] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  560.578174][ T8362]  </TASK>
[  560.581408][ T8362] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  560.645065][ T8362] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  560.654249][ T8362] CPU: 0 PID: 8362 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  560.664667][ T8362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  560.674708][ T8362] Call Trace:
[  560.677992][ T8362]  <TASK>
[  560.680910][ T8362]  dump_stack_lvl+0x125/0x1b0
[  560.685582][ T8362]  sysfs_warn_dup+0x7f/0xa0
[  560.690076][ T8362]  sysfs_create_dir_ns+0x249/0x2b0
[  560.695195][ T8362]  ? sysfs_create_mount_point+0xb0/0xb0
[  560.700747][ T8362]  ? spin_bug+0x1d0/0x1d0
[  560.705079][ T8362]  ? net_namespace+0x12/0x40
[  560.709668][ T8362]  ? device_namespace+0x8d/0xc0
[  560.714563][ T8362]  kobject_add_internal+0x2c8/0x970
[  560.719755][ T8362]  kobject_add+0x16f/0x240
[  560.724165][ T8362]  ? kset_create_and_add+0x190/0x190
[  560.729440][ T8362]  ? do_raw_spin_unlock+0x173/0x230
[  560.734625][ T8362]  ? kobject_put+0xbe/0x440
[  560.739116][ T8362]  ? device_add+0xc35/0x1aa0
[  560.743697][ T8362]  device_add+0x289/0x1aa0
[  560.748101][ T8362]  ? device_initialize+0x510/0x510
[  560.753200][ T8362]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  560.760038][ T8362]  ? __init_waitqueue_head+0xca/0x150
[  560.765404][ T8362]  netdev_register_kobject+0x183/0x3f0
[  560.770857][ T8362]  register_netdevice+0xbe6/0x14b0
[  560.775963][ T8362]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  560.781864][ T8362]  ? validate_linkmsg+0x6fc/0x9c0
[  560.786891][ T8362]  br_dev_newlink+0x27/0x110
[  560.791470][ T8362]  ? br_changelink+0x1760/0x1760
[  560.796394][ T8362]  __rtnl_newlink+0x1173/0x1930
[  560.801241][ T8362]  ? rtnl_link_unregister+0x260/0x260
[  560.806628][ T8362]  rtnl_newlink+0x67/0xa0
[  560.810962][ T8362]  ? __rtnl_newlink+0x1930/0x1930
[  560.815983][ T8362]  rtnetlink_rcv_msg+0x3c7/0xe00
[  560.820919][ T8362]  ? rtnl_fill_vf+0x4a0/0x4a0
[  560.825588][ T8362]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  560.831566][ T8362]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  560.837547][ T8362]  netlink_rcv_skb+0x16b/0x440
[  560.842307][ T8362]  ? rtnl_fill_vf+0x4a0/0x4a0
[  560.847060][ T8362]  ? netlink_ack+0x1380/0x1380
[  560.851829][ T8362]  ? lock_sync+0x190/0x190
[  560.856270][ T8362]  ? netlink_deliver_tap+0x1a0/0xd00
[  560.861572][ T8362]  ? _copy_from_iter+0x2c1/0x10f0
[  560.866597][ T8362]  netlink_unicast+0x53b/0x810
[  560.871360][ T8362]  ? netlink_attachskb+0x880/0x880
[  560.876547][ T8362]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  560.882448][ T8362]  ? __phys_addr_symbol+0x30/0x70
[  560.887460][ T8362]  ? __check_object_size+0x323/0x730
[  560.892754][ T8362]  netlink_sendmsg+0x93c/0xe40
[  560.897525][ T8362]  ? netlink_unicast+0x810/0x810
[  560.902457][ T8362]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  560.907729][ T8362]  ? netlink_unicast+0x810/0x810
[  560.912659][ T8362]  __sock_sendmsg+0xd5/0x180
[  560.917239][ T8362]  ____sys_sendmsg+0x6ac/0x940
[  560.921995][ T8362]  ? copy_msghdr_from_user+0x10b/0x160
[  560.927445][ T8362]  ? kernel_sendmsg+0x50/0x50
[  560.932127][ T8362]  ? hlock_class+0x4e/0x130
[  560.936618][ T8362]  ? __lock_acquire+0x14e0/0x3b10
[  560.941637][ T8362]  ___sys_sendmsg+0x135/0x1d0
[  560.946306][ T8362]  ? do_recvmmsg+0x740/0x740
[  560.950885][ T8362]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  560.956858][ T8362]  ? find_held_lock+0x2d/0x110
[  560.961644][ T8362]  ? __fget_light+0x1fc/0x260
[  560.966312][ T8362]  __sys_sendmsg+0x117/0x1e0
[  560.970898][ T8362]  ? __sys_sendmsg_sock+0x30/0x30
[  560.975911][ T8362]  ? xfd_validate_state+0x5d/0x180
[  560.981020][ T8362]  ? syscall_enter_from_user_mode+0x7f/0x120
[  560.986995][ T8362]  do_syscall_64+0x40/0x110
[  560.991486][ T8362]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  560.997383][ T8362] RIP: 0033:0x7ff3fd6020b9
[  561.001793][ T8362] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  561.021389][ T8362] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  561.029791][ T8362] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  561.037749][ T8362] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  561.045709][ T8362] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  561.053685][ T8362] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  561.061650][ T8362] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  561.069638][ T8362]  </TASK>
[  561.072801][ T8362] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  561.127372][ T8363] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  561.137622][ T8363] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  561.146797][ T8363] CPU: 1 PID: 8363 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  561.157237][ T8363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  561.167280][ T8363] Call Trace:
[  561.170551][ T8363]  <TASK>
[  561.173490][ T8363]  dump_stack_lvl+0x125/0x1b0
[  561.178184][ T8363]  sysfs_warn_dup+0x7f/0xa0
[  561.182684][ T8363]  sysfs_create_dir_ns+0x249/0x2b0
[  561.187787][ T8363]  ? sysfs_create_mount_point+0xb0/0xb0
[  561.193322][ T8363]  ? spin_bug+0x1d0/0x1d0
[  561.197640][ T8363]  ? net_namespace+0x12/0x40
[  561.202217][ T8363]  ? device_namespace+0x8d/0xc0
[  561.207060][ T8363]  kobject_add_internal+0x2c8/0x970
[  561.212253][ T8363]  kobject_add+0x16f/0x240
[  561.216662][ T8363]  ? kset_create_and_add+0x190/0x190
[  561.221946][ T8363]  ? do_raw_spin_unlock+0x173/0x230
[  561.227136][ T8363]  ? kobject_put+0xbe/0x440
[  561.231632][ T8363]  ? device_add+0xc35/0x1aa0
[  561.236214][ T8363]  device_add+0x289/0x1aa0
[  561.240631][ T8363]  ? device_initialize+0x510/0x510
[  561.245766][ T8363]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  561.252609][ T8363]  ? __init_waitqueue_head+0xca/0x150
[  561.257979][ T8363]  netdev_register_kobject+0x183/0x3f0
[  561.263443][ T8363]  register_netdevice+0xbe6/0x14b0
[  561.268588][ T8363]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  561.274498][ T8363]  ? validate_linkmsg+0x6fc/0x9c0
[  561.279555][ T8363]  br_dev_newlink+0x27/0x110
[  561.284152][ T8363]  ? br_changelink+0x1760/0x1760
[  561.289080][ T8363]  __rtnl_newlink+0x1173/0x1930
[  561.293931][ T8363]  ? rtnl_link_unregister+0x260/0x260
[  561.299307][ T8363]  rtnl_newlink+0x67/0xa0
[  561.303628][ T8363]  ? __rtnl_newlink+0x1930/0x1930
[  561.308644][ T8363]  rtnetlink_rcv_msg+0x3c7/0xe00
[  561.313595][ T8363]  ? rtnl_fill_vf+0x4a0/0x4a0
[  561.318262][ T8363]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  561.324235][ T8363]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  561.330212][ T8363]  netlink_rcv_skb+0x16b/0x440
[  561.334970][ T8363]  ? rtnl_fill_vf+0x4a0/0x4a0
[  561.339636][ T8363]  ? netlink_ack+0x1380/0x1380
[  561.344391][ T8363]  ? lock_sync+0x190/0x190
[  561.348838][ T8363]  ? netlink_deliver_tap+0x1a0/0xd00
[  561.354144][ T8363]  ? _copy_from_iter+0x2c1/0x10f0
[  561.359162][ T8363]  netlink_unicast+0x53b/0x810
[  561.363942][ T8363]  ? netlink_attachskb+0x880/0x880
[  561.369064][ T8363]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  561.374947][ T8363]  ? __phys_addr_symbol+0x30/0x70
[  561.379985][ T8363]  ? __check_object_size+0x323/0x730
[  561.385268][ T8363]  netlink_sendmsg+0x93c/0xe40
[  561.390031][ T8363]  ? netlink_unicast+0x810/0x810
[  561.394961][ T8363]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  561.400238][ T8363]  ? netlink_unicast+0x810/0x810
[  561.405168][ T8363]  __sock_sendmsg+0xd5/0x180
[  561.409766][ T8363]  ____sys_sendmsg+0x6ac/0x940
[  561.414566][ T8363]  ? copy_msghdr_from_user+0x10b/0x160
[  561.420020][ T8363]  ? kernel_sendmsg+0x50/0x50
[  561.424694][ T8363]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  561.430685][ T8363]  ___sys_sendmsg+0x135/0x1d0
[  561.435368][ T8363]  ? do_recvmmsg+0x740/0x740
[  561.439949][ T8363]  ? find_held_lock+0x2d/0x110
[  561.444708][ T8363]  ? preempt_count_sub+0x160/0x160
[  561.449837][ T8363]  ? __fget_light+0x1fc/0x260
[  561.454516][ T8363]  __sys_sendmsg+0x117/0x1e0
[  561.459099][ T8363]  ? __sys_sendmsg_sock+0x30/0x30
[  561.464135][ T8363]  ? xfd_validate_state+0x5d/0x180
[  561.469257][ T8363]  ? syscall_enter_from_user_mode+0x7f/0x120
[  561.475234][ T8363]  do_syscall_64+0x40/0x110
[  561.479730][ T8363]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  561.485618][ T8363] RIP: 0033:0x7ff3fd6020b9
[  561.490020][ T8363] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  561.509619][ T8363] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  561.518016][ T8363] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  561.525974][ T8363] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  561.533931][ T8363] RBP: 0000000000088bfd R08: 0000000000000000 R09: 0000000000000006
[  561.541899][ T8363] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  561.549881][ T8363] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  561.557870][ T8363]  </TASK>
[  561.562385][ T8363] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  561.633132][ T8363] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  561.642343][ T8363] CPU: 0 PID: 8363 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  561.652779][ T8363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  561.662824][ T8363] Call Trace:
[  561.666088][ T8363]  <TASK>
[  561.669003][ T8363]  dump_stack_lvl+0x125/0x1b0
[  561.673673][ T8363]  sysfs_warn_dup+0x7f/0xa0
[  561.678162][ T8363]  sysfs_create_dir_ns+0x249/0x2b0
[  561.683257][ T8363]  ? sysfs_create_mount_point+0xb0/0xb0
[  561.688787][ T8363]  ? spin_bug+0x1d0/0x1d0
[  561.693106][ T8363]  ? net_namespace+0x12/0x40
[  561.697694][ T8363]  ? device_namespace+0x8d/0xc0
[  561.702550][ T8363]  kobject_add_internal+0x2c8/0x970
[  561.707753][ T8363]  kobject_add+0x16f/0x240
[  561.712165][ T8363]  ? kset_create_and_add+0x190/0x190
[  561.717446][ T8363]  ? do_raw_spin_unlock+0x173/0x230
[  561.722646][ T8363]  ? kobject_put+0xbe/0x440
[  561.727146][ T8363]  ? device_add+0xc35/0x1aa0
[  561.731737][ T8363]  device_add+0x289/0x1aa0
[  561.736151][ T8363]  ? device_initialize+0x510/0x510
[  561.741256][ T8363]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  561.748195][ T8363]  ? __init_waitqueue_head+0xca/0x150
[  561.753571][ T8363]  netdev_register_kobject+0x183/0x3f0
[  561.759032][ T8363]  register_netdevice+0xbe6/0x14b0
[  561.764144][ T8363]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  561.770038][ T8363]  ? validate_linkmsg+0x6fc/0x9c0
[  561.775057][ T8363]  br_dev_newlink+0x27/0x110
[  561.779650][ T8363]  ? br_changelink+0x1760/0x1760
[  561.784588][ T8363]  __rtnl_newlink+0x1173/0x1930
[  561.789444][ T8363]  ? rtnl_link_unregister+0x260/0x260
[  561.794832][ T8363]  rtnl_newlink+0x67/0xa0
[  561.799159][ T8363]  ? __rtnl_newlink+0x1930/0x1930
[  561.804176][ T8363]  rtnetlink_rcv_msg+0x3c7/0xe00
[  561.809113][ T8363]  ? rtnl_fill_vf+0x4a0/0x4a0
[  561.813786][ T8363]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  561.819770][ T8363]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  561.825756][ T8363]  netlink_rcv_skb+0x16b/0x440
[  561.830521][ T8363]  ? rtnl_fill_vf+0x4a0/0x4a0
[  561.835194][ T8363]  ? netlink_ack+0x1380/0x1380
[  561.839958][ T8363]  ? lock_sync+0x190/0x190
[  561.844383][ T8363]  ? netlink_deliver_tap+0x1a0/0xd00
[  561.849669][ T8363]  ? _copy_from_iter+0x2c1/0x10f0
[  561.854697][ T8363]  netlink_unicast+0x53b/0x810
[  561.859552][ T8363]  ? netlink_attachskb+0x880/0x880
[  561.864665][ T8363]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  561.870555][ T8363]  ? __phys_addr_symbol+0x30/0x70
[  561.875577][ T8363]  ? __check_object_size+0x323/0x730
[  561.880859][ T8363]  netlink_sendmsg+0x93c/0xe40
[  561.885630][ T8363]  ? netlink_unicast+0x810/0x810
[  561.890577][ T8363]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  561.895867][ T8363]  ? netlink_unicast+0x810/0x810
[  561.900805][ T8363]  __sock_sendmsg+0xd5/0x180
[  561.905392][ T8363]  ____sys_sendmsg+0x6ac/0x940
[  561.910152][ T8363]  ? copy_msghdr_from_user+0x10b/0x160
[  561.915608][ T8363]  ? kernel_sendmsg+0x50/0x50
[  561.920292][ T8363]  ___sys_sendmsg+0x135/0x1d0
[  561.924969][ T8363]  ? do_recvmmsg+0x740/0x740
[  561.929561][ T8363]  ? find_held_lock+0x2d/0x110
[  561.934335][ T8363]  ? preempt_count_sub+0x160/0x160
[  561.939451][ T8363]  ? __fget_light+0x1fc/0x260
[  561.944125][ T8363]  __sys_sendmsg+0x117/0x1e0
[  561.948714][ T8363]  ? __sys_sendmsg_sock+0x30/0x30
[  561.953745][ T8363]  ? syscall_enter_from_user_mode+0x7f/0x120
[  561.959726][ T8363]  do_syscall_64+0x40/0x110
[  561.964226][ T8363]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  561.970119][ T8363] RIP: 0033:0x7ff3fd6020b9
[  561.974527][ T8363] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  561.994130][ T8363] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  562.002537][ T8363] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  562.010502][ T8363] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  562.018466][ T8363] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  562.026428][ T8363] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  562.034393][ T8363] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  562.042367][ T8363]  </TASK>
[  562.045550][ T8363] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  562.097722][ T8364] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  562.107798][ T8364] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  562.117095][ T8364] CPU: 1 PID: 8364 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  562.127526][ T8364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  562.137584][ T8364] Call Trace:
[  562.140861][ T8364]  <TASK>
[  562.143784][ T8364]  dump_stack_lvl+0x125/0x1b0
[  562.148456][ T8364]  sysfs_warn_dup+0x7f/0xa0
[  562.152972][ T8364]  sysfs_create_dir_ns+0x249/0x2b0
[  562.158099][ T8364]  ? sysfs_create_mount_point+0xb0/0xb0
[  562.163638][ T8364]  ? spin_bug+0x1d0/0x1d0
[  562.167979][ T8364]  ? net_namespace+0x12/0x40
[  562.172568][ T8364]  ? device_namespace+0x8d/0xc0
[  562.177417][ T8364]  kobject_add_internal+0x2c8/0x970
[  562.182633][ T8364]  kobject_add+0x16f/0x240
[  562.187042][ T8364]  ? kset_create_and_add+0x190/0x190
[  562.192321][ T8364]  ? do_raw_spin_unlock+0x173/0x230
[  562.197509][ T8364]  ? kobject_put+0xbe/0x440
[  562.202018][ T8364]  ? device_add+0xc35/0x1aa0
[  562.206618][ T8364]  device_add+0x289/0x1aa0
[  562.211029][ T8364]  ? device_initialize+0x510/0x510
[  562.216129][ T8364]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  562.222970][ T8364]  ? __init_waitqueue_head+0xca/0x150
[  562.228356][ T8364]  netdev_register_kobject+0x183/0x3f0
[  562.233820][ T8364]  register_netdevice+0xbe6/0x14b0
[  562.238943][ T8364]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  562.244862][ T8364]  ? validate_linkmsg+0x6fc/0x9c0
[  562.249909][ T8364]  br_dev_newlink+0x27/0x110
[  562.254607][ T8364]  ? br_changelink+0x1760/0x1760
[  562.259558][ T8364]  __rtnl_newlink+0x1173/0x1930
[  562.264408][ T8364]  ? rtnl_link_unregister+0x260/0x260
[  562.269786][ T8364]  rtnl_newlink+0x67/0xa0
[  562.274107][ T8364]  ? __rtnl_newlink+0x1930/0x1930
[  562.279120][ T8364]  rtnetlink_rcv_msg+0x3c7/0xe00
[  562.284070][ T8364]  ? rtnl_fill_vf+0x4a0/0x4a0
[  562.288746][ T8364]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  562.294744][ T8364]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  562.300721][ T8364]  netlink_rcv_skb+0x16b/0x440
[  562.305479][ T8364]  ? rtnl_fill_vf+0x4a0/0x4a0
[  562.310146][ T8364]  ? netlink_ack+0x1380/0x1380
[  562.314986][ T8364]  ? lock_sync+0x190/0x190
[  562.319487][ T8364]  ? netlink_deliver_tap+0x1a0/0xd00
[  562.324764][ T8364]  ? _copy_from_iter+0x2c1/0x10f0
[  562.329797][ T8364]  netlink_unicast+0x53b/0x810
[  562.334603][ T8364]  ? netlink_attachskb+0x880/0x880
[  562.339703][ T8364]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  562.345695][ T8364]  ? __phys_addr_symbol+0x30/0x70
[  562.350707][ T8364]  ? __check_object_size+0x323/0x730
[  562.355984][ T8364]  netlink_sendmsg+0x93c/0xe40
[  562.360850][ T8364]  ? netlink_unicast+0x810/0x810
[  562.365816][ T8364]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  562.371111][ T8364]  ? netlink_unicast+0x810/0x810
[  562.376056][ T8364]  __sock_sendmsg+0xd5/0x180
[  562.380660][ T8364]  ____sys_sendmsg+0x6ac/0x940
[  562.385490][ T8364]  ? copy_msghdr_from_user+0x10b/0x160
[  562.390962][ T8364]  ? kernel_sendmsg+0x50/0x50
[  562.395662][ T8364]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  562.401761][ T8364]  ___sys_sendmsg+0x135/0x1d0
[  562.406448][ T8364]  ? do_recvmmsg+0x740/0x740
[  562.411096][ T8364]  ? find_held_lock+0x2d/0x110
[  562.415860][ T8364]  ? preempt_count_sub+0x160/0x160
[  562.420977][ T8364]  ? __fget_light+0x1fc/0x260
[  562.425646][ T8364]  __sys_sendmsg+0x117/0x1e0
[  562.430232][ T8364]  ? __sys_sendmsg_sock+0x30/0x30
[  562.435248][ T8364]  ? xfd_validate_state+0x5d/0x180
[  562.440364][ T8364]  ? syscall_enter_from_user_mode+0x7f/0x120
[  562.446357][ T8364]  do_syscall_64+0x40/0x110
[  562.450882][ T8364]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  562.456799][ T8364] RIP: 0033:0x7ff3fd6020b9
[  562.461221][ T8364] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  562.480854][ T8364] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  562.489377][ T8364] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  562.497366][ T8364] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  562.505363][ T8364] RBP: 0000000000088fd1 R08: 0000000000000000 R09: 0000000000000006
[  562.513351][ T8364] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  562.521343][ T8364] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  562.529338][ T8364]  </TASK>
[  562.535197][ T1226] ieee802154 phy0 wpan0: encryption failed: -22
[  562.541589][ T1226] ieee802154 phy1 wpan1: encryption failed: -22
[  562.558464][ T8364] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  562.633555][ T8364] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  562.643805][ T8364] CPU: 1 PID: 8364 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  562.654243][ T8364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  562.664303][ T8364] Call Trace:
[  562.667585][ T8364]  <TASK>
[  562.670518][ T8364]  dump_stack_lvl+0x125/0x1b0
[  562.675210][ T8364]  sysfs_warn_dup+0x7f/0xa0
[  562.679732][ T8364]  sysfs_create_dir_ns+0x249/0x2b0
[  562.684856][ T8364]  ? sysfs_create_mount_point+0xb0/0xb0
[  562.690494][ T8364]  ? spin_bug+0x1d0/0x1d0
[  562.694843][ T8364]  ? net_namespace+0x12/0x40
[  562.699416][ T8364]  ? device_namespace+0x8d/0xc0
[  562.704259][ T8364]  kobject_add_internal+0x2c8/0x970
[  562.709451][ T8364]  kobject_add+0x16f/0x240
[  562.713859][ T8364]  ? kset_create_and_add+0x190/0x190
[  562.719134][ T8364]  ? do_raw_spin_unlock+0x173/0x230
[  562.724313][ T8364]  ? kobject_put+0xbe/0x440
[  562.728799][ T8364]  ? device_add+0xc35/0x1aa0
[  562.733396][ T8364]  device_add+0x289/0x1aa0
[  562.737842][ T8364]  ? device_initialize+0x510/0x510
[  562.742948][ T8364]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  562.749783][ T8364]  ? __init_waitqueue_head+0xca/0x150
[  562.755144][ T8364]  netdev_register_kobject+0x183/0x3f0
[  562.760593][ T8364]  register_netdevice+0xbe6/0x14b0
[  562.765691][ T8364]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  562.771571][ T8364]  ? validate_linkmsg+0x6fc/0x9c0
[  562.776580][ T8364]  br_dev_newlink+0x27/0x110
[  562.781154][ T8364]  ? br_changelink+0x1760/0x1760
[  562.786074][ T8364]  __rtnl_newlink+0x1173/0x1930
[  562.790917][ T8364]  ? rtnl_link_unregister+0x260/0x260
[  562.796284][ T8364]  rtnl_newlink+0x67/0xa0
[  562.800599][ T8364]  ? __rtnl_newlink+0x1930/0x1930
[  562.805604][ T8364]  rtnetlink_rcv_msg+0x3c7/0xe00
[  562.810525][ T8364]  ? rtnl_fill_vf+0x4a0/0x4a0
[  562.815182][ T8364]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  562.821172][ T8364]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  562.827142][ T8364]  netlink_rcv_skb+0x16b/0x440
[  562.831891][ T8364]  ? rtnl_fill_vf+0x4a0/0x4a0
[  562.836550][ T8364]  ? netlink_ack+0x1380/0x1380
[  562.841294][ T8364]  ? lock_sync+0x190/0x190
[  562.845705][ T8364]  ? netlink_deliver_tap+0x1a0/0xd00
[  562.850975][ T8364]  ? _copy_from_iter+0x2c1/0x10f0
[  562.855987][ T8364]  netlink_unicast+0x53b/0x810
[  562.860753][ T8364]  ? netlink_attachskb+0x880/0x880
[  562.865852][ T8364]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  562.871728][ T8364]  ? __phys_addr_symbol+0x30/0x70
[  562.876733][ T8364]  ? __check_object_size+0x323/0x730
[  562.882021][ T8364]  netlink_sendmsg+0x93c/0xe40
[  562.886783][ T8364]  ? netlink_unicast+0x810/0x810
[  562.891712][ T8364]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  562.896979][ T8364]  ? netlink_unicast+0x810/0x810
[  562.901901][ T8364]  __sock_sendmsg+0xd5/0x180
[  562.906473][ T8364]  ____sys_sendmsg+0x6ac/0x940
[  562.911252][ T8364]  ? copy_msghdr_from_user+0x10b/0x160
[  562.916696][ T8364]  ? kernel_sendmsg+0x50/0x50
[  562.921360][ T8364]  ? hlock_class+0x4e/0x130
[  562.925849][ T8364]  ? __lock_acquire+0x14e0/0x3b10
[  562.930865][ T8364]  ___sys_sendmsg+0x135/0x1d0
[  562.935528][ T8364]  ? do_recvmmsg+0x740/0x740
[  562.940101][ T8364]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  562.946071][ T8364]  ? find_held_lock+0x2d/0x110
[  562.950835][ T8364]  ? __fget_light+0x1fc/0x260
[  562.955497][ T8364]  __sys_sendmsg+0x117/0x1e0
[  562.960075][ T8364]  ? __sys_sendmsg_sock+0x30/0x30
[  562.965082][ T8364]  ? xfd_validate_state+0x5d/0x180
[  562.970186][ T8364]  ? syscall_enter_from_user_mode+0x7f/0x120
[  562.976155][ T8364]  do_syscall_64+0x40/0x110
[  562.980648][ T8364]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  562.986533][ T8364] RIP: 0033:0x7ff3fd6020b9
[  562.990933][ T8364] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  563.010523][ T8364] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  563.019026][ T8364] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  563.026978][ T8364] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  563.034929][ T8364] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  563.042879][ T8364] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  563.050834][ T8364] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  563.058800][ T8364]  </TASK>
[  563.063558][ T8364] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  563.117274][ T8365] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  563.127454][ T8365] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  563.136659][ T8365] CPU: 0 PID: 8365 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  563.147090][ T8365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  563.157134][ T8365] Call Trace:
[  563.160412][ T8365]  <TASK>
[  563.163351][ T8365]  dump_stack_lvl+0x125/0x1b0
[  563.168038][ T8365]  sysfs_warn_dup+0x7f/0xa0
[  563.172539][ T8365]  sysfs_create_dir_ns+0x249/0x2b0
[  563.177648][ T8365]  ? sysfs_create_mount_point+0xb0/0xb0
[  563.183210][ T8365]  ? spin_bug+0x1d0/0x1d0
[  563.187530][ T8365]  ? net_namespace+0x12/0x40
[  563.192110][ T8365]  ? device_namespace+0x8d/0xc0
[  563.196957][ T8365]  kobject_add_internal+0x2c8/0x970
[  563.202180][ T8365]  kobject_add+0x16f/0x240
[  563.206592][ T8365]  ? kset_create_and_add+0x190/0x190
[  563.211872][ T8365]  ? do_raw_spin_unlock+0x173/0x230
[  563.217057][ T8365]  ? kobject_put+0xbe/0x440
[  563.221573][ T8365]  ? device_add+0xc35/0x1aa0
[  563.226183][ T8365]  device_add+0x289/0x1aa0
[  563.230597][ T8365]  ? device_initialize+0x510/0x510
[  563.235721][ T8365]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  563.242562][ T8365]  ? __init_waitqueue_head+0xca/0x150
[  563.247927][ T8365]  netdev_register_kobject+0x183/0x3f0
[  563.253382][ T8365]  register_netdevice+0xbe6/0x14b0
[  563.258487][ T8365]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  563.264374][ T8365]  ? validate_linkmsg+0x6fc/0x9c0
[  563.269389][ T8365]  br_dev_newlink+0x27/0x110
[  563.274004][ T8365]  ? br_changelink+0x1760/0x1760
[  563.278946][ T8365]  __rtnl_newlink+0x1173/0x1930
[  563.283804][ T8365]  ? rtnl_link_unregister+0x260/0x260
[  563.289213][ T8365]  rtnl_newlink+0x67/0xa0
[  563.293543][ T8365]  ? __rtnl_newlink+0x1930/0x1930
[  563.298560][ T8365]  rtnetlink_rcv_msg+0x3c7/0xe00
[  563.303493][ T8365]  ? rtnl_fill_vf+0x4a0/0x4a0
[  563.308164][ T8365]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  563.314138][ T8365]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  563.320113][ T8365]  netlink_rcv_skb+0x16b/0x440
[  563.324872][ T8365]  ? rtnl_fill_vf+0x4a0/0x4a0
[  563.329550][ T8365]  ? netlink_ack+0x1380/0x1380
[  563.334308][ T8365]  ? lock_sync+0x190/0x190
[  563.338720][ T8365]  ? netlink_deliver_tap+0x1a0/0xd00
[  563.343996][ T8365]  ? _copy_from_iter+0x2c1/0x10f0
[  563.349016][ T8365]  netlink_unicast+0x53b/0x810
[  563.353788][ T8365]  ? netlink_attachskb+0x880/0x880
[  563.358928][ T8365]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  563.364817][ T8365]  ? __phys_addr_symbol+0x30/0x70
[  563.369862][ T8365]  ? __check_object_size+0x323/0x730
[  563.375140][ T8365]  netlink_sendmsg+0x93c/0xe40
[  563.379910][ T8365]  ? netlink_unicast+0x810/0x810
[  563.384854][ T8365]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  563.390133][ T8365]  ? netlink_unicast+0x810/0x810
[  563.395080][ T8365]  __sock_sendmsg+0xd5/0x180
[  563.399679][ T8365]  ____sys_sendmsg+0x6ac/0x940
[  563.404432][ T8365]  ? copy_msghdr_from_user+0x10b/0x160
[  563.409905][ T8365]  ? kernel_sendmsg+0x50/0x50
[  563.414578][ T8365]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  563.420553][ T8365]  ___sys_sendmsg+0x135/0x1d0
[  563.425224][ T8365]  ? do_recvmmsg+0x740/0x740
[  563.429803][ T8365]  ? find_held_lock+0x2d/0x110
[  563.434568][ T8365]  ? preempt_count_sub+0x160/0x160
[  563.439675][ T8365]  ? __fget_light+0x1fc/0x260
[  563.444343][ T8365]  __sys_sendmsg+0x117/0x1e0
[  563.448927][ T8365]  ? __sys_sendmsg_sock+0x30/0x30
[  563.453941][ T8365]  ? xfd_validate_state+0x5d/0x180
[  563.459052][ T8365]  ? syscall_enter_from_user_mode+0x7f/0x120
[  563.465026][ T8365]  do_syscall_64+0x40/0x110
[  563.469526][ T8365]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  563.475410][ T8365] RIP: 0033:0x7ff3fd6020b9
[  563.479814][ T8365] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  563.499411][ T8365] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  563.507812][ T8365] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  563.515770][ T8365] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  563.523744][ T8365] RBP: 000000000008939b R08: 0000000000000000 R09: 0000000000000006
[  563.531887][ T8365] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  563.539859][ T8365] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  563.547823][ T8365]  </TASK>
[  563.551268][ T8365] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  563.603221][ T8365] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  563.612413][ T8365] CPU: 0 PID: 8365 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  563.623003][ T8365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  563.633054][ T8365] Call Trace:
[  563.636323][ T8365]  <TASK>
[  563.639278][ T8365]  dump_stack_lvl+0x125/0x1b0
[  563.643947][ T8365]  sysfs_warn_dup+0x7f/0xa0
[  563.648459][ T8365]  sysfs_create_dir_ns+0x249/0x2b0
[  563.653559][ T8365]  ? sysfs_create_mount_point+0xb0/0xb0
[  563.659092][ T8365]  ? spin_bug+0x1d0/0x1d0
[  563.663409][ T8365]  ? net_namespace+0x12/0x40
[  563.667994][ T8365]  ? device_namespace+0x8d/0xc0
[  563.672847][ T8365]  kobject_add_internal+0x2c8/0x970
[  563.678051][ T8365]  kobject_add+0x16f/0x240
[  563.682463][ T8365]  ? kset_create_and_add+0x190/0x190
[  563.687743][ T8365]  ? do_raw_spin_unlock+0x173/0x230
[  563.692957][ T8365]  ? kobject_put+0xbe/0x440
[  563.697459][ T8365]  ? device_add+0xc35/0x1aa0
[  563.702049][ T8365]  device_add+0x289/0x1aa0
[  563.706460][ T8365]  ? device_initialize+0x510/0x510
[  563.711571][ T8365]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  563.718451][ T8365]  ? __init_waitqueue_head+0xca/0x150
[  563.723849][ T8365]  netdev_register_kobject+0x183/0x3f0
[  563.729318][ T8365]  register_netdevice+0xbe6/0x14b0
[  563.734434][ T8365]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  563.740324][ T8365]  ? validate_linkmsg+0x6fc/0x9c0
[  563.745346][ T8365]  br_dev_newlink+0x27/0x110
[  563.749940][ T8365]  ? br_changelink+0x1760/0x1760
[  563.754883][ T8365]  __rtnl_newlink+0x1173/0x1930
[  563.759740][ T8365]  ? rtnl_link_unregister+0x260/0x260
[  563.765127][ T8365]  rtnl_newlink+0x67/0xa0
[  563.769462][ T8365]  ? __rtnl_newlink+0x1930/0x1930
[  563.774481][ T8365]  rtnetlink_rcv_msg+0x3c7/0xe00
[  563.779417][ T8365]  ? rtnl_fill_vf+0x4a0/0x4a0
[  563.784363][ T8365]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  563.790346][ T8365]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  563.796334][ T8365]  netlink_rcv_skb+0x16b/0x440
[  563.801101][ T8365]  ? rtnl_fill_vf+0x4a0/0x4a0
[  563.805773][ T8365]  ? netlink_ack+0x1380/0x1380
[  563.810534][ T8365]  ? lock_sync+0x190/0x190
[  563.814964][ T8365]  ? netlink_deliver_tap+0x1a0/0xd00
[  563.820244][ T8365]  ? _copy_from_iter+0x2c1/0x10f0
[  563.825268][ T8365]  netlink_unicast+0x53b/0x810
[  563.830033][ T8365]  ? netlink_attachskb+0x880/0x880
[  563.835143][ T8365]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  563.841035][ T8365]  ? __phys_addr_symbol+0x30/0x70
[  563.846065][ T8365]  ? __check_object_size+0x323/0x730
[  563.851458][ T8365]  netlink_sendmsg+0x93c/0xe40
[  563.856226][ T8365]  ? netlink_unicast+0x810/0x810
[  563.861167][ T8365]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  563.866451][ T8365]  ? netlink_unicast+0x810/0x810
[  563.871389][ T8365]  __sock_sendmsg+0xd5/0x180
[  563.875978][ T8365]  ____sys_sendmsg+0x6ac/0x940
[  563.880926][ T8365]  ? copy_msghdr_from_user+0x10b/0x160
[  563.886820][ T8365]  ? kernel_sendmsg+0x50/0x50
[  563.891493][ T8365]  ? hlock_class+0x4e/0x130
[  563.895994][ T8365]  ? __lock_acquire+0x14e0/0x3b10
[  563.901020][ T8365]  ___sys_sendmsg+0x135/0x1d0
[  563.905700][ T8365]  ? do_recvmmsg+0x740/0x740
[  563.910304][ T8365]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  563.916462][ T8365]  ? find_held_lock+0x2d/0x110
[  563.921246][ T8365]  ? __fget_light+0x1fc/0x260
[  563.925925][ T8365]  __sys_sendmsg+0x117/0x1e0
[  563.930517][ T8365]  ? __sys_sendmsg_sock+0x30/0x30
[  563.935538][ T8365]  ? __do_sys_rseq+0x750/0x750
[  563.940308][ T8365]  ? syscall_enter_from_user_mode+0x7f/0x120
[  563.946297][ T8365]  do_syscall_64+0x40/0x110
[  563.950805][ T8365]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  563.956699][ T8365] RIP: 0033:0x7ff3fd6020b9
[  563.961102][ T8365] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  563.980714][ T8365] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  563.989130][ T8365] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  563.997096][ T8365] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  564.005151][ T8365] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  564.013116][ T8365] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  564.021254][ T8365] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  564.029234][ T8365]  </TASK>
[  564.032561][ T8365] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  564.087259][ T8366] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  564.097388][ T8366] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  564.106562][ T8366] CPU: 0 PID: 8366 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  564.116978][ T8366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  564.127030][ T8366] Call Trace:
[  564.130300][ T8366]  <TASK>
[  564.133226][ T8366]  dump_stack_lvl+0x125/0x1b0
[  564.137898][ T8366]  sysfs_warn_dup+0x7f/0xa0
[  564.142395][ T8366]  sysfs_create_dir_ns+0x249/0x2b0
[  564.147497][ T8366]  ? sysfs_create_mount_point+0xb0/0xb0
[  564.153041][ T8366]  ? spin_bug+0x1d0/0x1d0
[  564.157363][ T8366]  ? net_namespace+0x12/0x40
[  564.161948][ T8366]  ? device_namespace+0x8d/0xc0
[  564.166804][ T8366]  kobject_add_internal+0x2c8/0x970
[  564.172005][ T8366]  kobject_add+0x16f/0x240
[  564.176420][ T8366]  ? kset_create_and_add+0x190/0x190
[  564.181703][ T8366]  ? do_raw_spin_unlock+0x173/0x230
[  564.186890][ T8366]  ? kobject_put+0xbe/0x440
[  564.191391][ T8366]  ? device_add+0xc35/0x1aa0
[  564.195979][ T8366]  device_add+0x289/0x1aa0
[  564.200392][ T8366]  ? device_initialize+0x510/0x510
[  564.205494][ T8366]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  564.212343][ T8366]  ? __init_waitqueue_head+0xca/0x150
[  564.217715][ T8366]  netdev_register_kobject+0x183/0x3f0
[  564.223179][ T8366]  register_netdevice+0xbe6/0x14b0
[  564.228294][ T8366]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  564.234194][ T8366]  ? validate_linkmsg+0x6fc/0x9c0
[  564.239222][ T8366]  br_dev_newlink+0x27/0x110
[  564.243810][ T8366]  ? br_changelink+0x1760/0x1760
[  564.248741][ T8366]  __rtnl_newlink+0x1173/0x1930
[  564.253598][ T8366]  ? rtnl_link_unregister+0x260/0x260
[  564.258987][ T8366]  rtnl_newlink+0x67/0xa0
[  564.263320][ T8366]  ? __rtnl_newlink+0x1930/0x1930
[  564.268353][ T8366]  rtnetlink_rcv_msg+0x3c7/0xe00
[  564.273288][ T8366]  ? rtnl_fill_vf+0x4a0/0x4a0
[  564.277964][ T8366]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  564.283949][ T8366]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  564.289932][ T8366]  netlink_rcv_skb+0x16b/0x440
[  564.294786][ T8366]  ? rtnl_fill_vf+0x4a0/0x4a0
[  564.299473][ T8366]  ? netlink_ack+0x1380/0x1380
[  564.304242][ T8366]  ? lock_sync+0x190/0x190
[  564.308676][ T8366]  ? netlink_deliver_tap+0x1a0/0xd00
[  564.313965][ T8366]  ? _copy_from_iter+0x2c1/0x10f0
[  564.319081][ T8366]  netlink_unicast+0x53b/0x810
[  564.323857][ T8366]  ? netlink_attachskb+0x880/0x880
[  564.328966][ T8366]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  564.334942][ T8366]  ? __phys_addr_symbol+0x30/0x70
[  564.339965][ T8366]  ? __check_object_size+0x323/0x730
[  564.345247][ T8366]  netlink_sendmsg+0x93c/0xe40
[  564.350010][ T8366]  ? netlink_unicast+0x810/0x810
[  564.354950][ T8366]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  564.360237][ T8366]  ? netlink_unicast+0x810/0x810
[  564.365193][ T8366]  __sock_sendmsg+0xd5/0x180
[  564.369779][ T8366]  ____sys_sendmsg+0x6ac/0x940
[  564.374552][ T8366]  ? copy_msghdr_from_user+0x10b/0x160
[  564.380016][ T8366]  ? kernel_sendmsg+0x50/0x50
[  564.384691][ T8366]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  564.390676][ T8366]  ___sys_sendmsg+0x135/0x1d0
[  564.395348][ T8366]  ? do_recvmmsg+0x740/0x740
[  564.399929][ T8366]  ? find_held_lock+0x2d/0x110
[  564.404721][ T8366]  ? preempt_count_sub+0x160/0x160
[  564.409858][ T8366]  ? __fget_light+0x1fc/0x260
[  564.414562][ T8366]  __sys_sendmsg+0x117/0x1e0
[  564.419160][ T8366]  ? __sys_sendmsg_sock+0x30/0x30
[  564.424187][ T8366]  ? xfd_validate_state+0x5d/0x180
[  564.429311][ T8366]  ? syscall_enter_from_user_mode+0x7f/0x120
[  564.435320][ T8366]  do_syscall_64+0x40/0x110
[  564.439819][ T8366]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  564.445712][ T8366] RIP: 0033:0x7ff3fd6020b9
[  564.450121][ T8366] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  564.469724][ T8366] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  564.478130][ T8366] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  564.486091][ T8366] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  564.494054][ T8366] RBP: 0000000000089796 R08: 0000000000000000 R09: 0000000000000006
[  564.502015][ T8366] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  564.509999][ T8366] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  564.518012][ T8366]  </TASK>
[  564.521684][ T8366] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  564.594848][ T8366] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  564.604109][ T8366] CPU: 1 PID: 8366 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  564.614526][ T8366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  564.624562][ T8366] Call Trace:
[  564.627841][ T8366]  <TASK>
[  564.630760][ T8366]  dump_stack_lvl+0x125/0x1b0
[  564.635429][ T8366]  sysfs_warn_dup+0x7f/0xa0
[  564.639915][ T8366]  sysfs_create_dir_ns+0x249/0x2b0
[  564.645012][ T8366]  ? sysfs_create_mount_point+0xb0/0xb0
[  564.650559][ T8366]  ? spin_bug+0x1d0/0x1d0
[  564.654869][ T8366]  ? net_namespace+0x12/0x40
[  564.659441][ T8366]  ? device_namespace+0x8d/0xc0
[  564.664277][ T8366]  kobject_add_internal+0x2c8/0x970
[  564.669458][ T8366]  kobject_add+0x16f/0x240
[  564.673855][ T8366]  ? kset_create_and_add+0x190/0x190
[  564.679127][ T8366]  ? do_raw_spin_unlock+0x173/0x230
[  564.684306][ T8366]  ? kobject_put+0xbe/0x440
[  564.688879][ T8366]  ? device_add+0xc35/0x1aa0
[  564.693461][ T8366]  device_add+0x289/0x1aa0
[  564.697861][ T8366]  ? device_initialize+0x510/0x510
[  564.702954][ T8366]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  564.709789][ T8366]  ? __init_waitqueue_head+0xca/0x150
[  564.715149][ T8366]  netdev_register_kobject+0x183/0x3f0
[  564.720595][ T8366]  register_netdevice+0xbe6/0x14b0
[  564.725716][ T8366]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  564.731597][ T8366]  ? validate_linkmsg+0x6fc/0x9c0
[  564.736603][ T8366]  br_dev_newlink+0x27/0x110
[  564.741178][ T8366]  ? br_changelink+0x1760/0x1760
[  564.746100][ T8366]  __rtnl_newlink+0x1173/0x1930
[  564.750940][ T8366]  ? rtnl_link_unregister+0x260/0x260
[  564.756332][ T8366]  rtnl_newlink+0x67/0xa0
[  564.760685][ T8366]  ? __rtnl_newlink+0x1930/0x1930
[  564.765710][ T8366]  rtnetlink_rcv_msg+0x3c7/0xe00
[  564.770645][ T8366]  ? rtnl_fill_vf+0x4a0/0x4a0
[  564.775314][ T8366]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  564.781280][ T8366]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  564.787266][ T8366]  netlink_rcv_skb+0x16b/0x440
[  564.792016][ T8366]  ? rtnl_fill_vf+0x4a0/0x4a0
[  564.796678][ T8366]  ? netlink_ack+0x1380/0x1380
[  564.801428][ T8366]  ? lock_sync+0x190/0x190
[  564.805838][ T8366]  ? netlink_deliver_tap+0x1a0/0xd00
[  564.811108][ T8366]  ? _copy_from_iter+0x2c1/0x10f0
[  564.816121][ T8366]  netlink_unicast+0x53b/0x810
[  564.820874][ T8366]  ? netlink_attachskb+0x880/0x880
[  564.826057][ T8366]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  564.831950][ T8366]  ? __phys_addr_symbol+0x30/0x70
[  564.836969][ T8366]  ? __check_object_size+0x323/0x730
[  564.842966][ T8366]  netlink_sendmsg+0x93c/0xe40
[  564.847730][ T8366]  ? netlink_unicast+0x810/0x810
[  564.852683][ T8366]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  564.857954][ T8366]  ? netlink_unicast+0x810/0x810
[  564.862883][ T8366]  __sock_sendmsg+0xd5/0x180
[  564.867457][ T8366]  ____sys_sendmsg+0x6ac/0x940
[  564.872212][ T8366]  ? copy_msghdr_from_user+0x10b/0x160
[  564.877656][ T8366]  ? kernel_sendmsg+0x50/0x50
[  564.882317][ T8366]  ? hlock_class+0x4e/0x130
[  564.886805][ T8366]  ? __lock_acquire+0x14e0/0x3b10
[  564.891831][ T8366]  ___sys_sendmsg+0x135/0x1d0
[  564.896528][ T8366]  ? do_recvmmsg+0x740/0x740
[  564.901118][ T8366]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  564.907092][ T8366]  ? find_held_lock+0x2d/0x110
[  564.911880][ T8366]  ? __fget_light+0x1fc/0x260
[  564.916541][ T8366]  __sys_sendmsg+0x117/0x1e0
[  564.921119][ T8366]  ? __sys_sendmsg_sock+0x30/0x30
[  564.926172][ T8366]  ? __do_sys_rseq+0x750/0x750
[  564.930943][ T8366]  ? syscall_enter_from_user_mode+0x7f/0x120
[  564.936931][ T8366]  do_syscall_64+0x40/0x110
[  564.941421][ T8366]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  564.947302][ T8366] RIP: 0033:0x7ff3fd6020b9
[  564.951696][ T8366] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  564.971411][ T8366] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  564.979845][ T8366] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  564.987808][ T8366] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  564.995782][ T8366] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  565.003738][ T8366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  565.011694][ T8366] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  565.019655][ T8366]  </TASK>
[  565.024287][ T8366] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  565.077771][ T8367] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  565.088239][ T8367] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  565.097424][ T8367] CPU: 1 PID: 8367 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  565.107873][ T8367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  565.118010][ T8367] Call Trace:
[  565.121282][ T8367]  <TASK>
[  565.124207][ T8367]  dump_stack_lvl+0x125/0x1b0
[  565.128894][ T8367]  sysfs_warn_dup+0x7f/0xa0
[  565.133406][ T8367]  sysfs_create_dir_ns+0x249/0x2b0
[  565.138514][ T8367]  ? sysfs_create_mount_point+0xb0/0xb0
[  565.144053][ T8367]  ? spin_bug+0x1d0/0x1d0
[  565.148379][ T8367]  ? net_namespace+0x12/0x40
[  565.153065][ T8367]  ? device_namespace+0x8d/0xc0
[  565.157911][ T8367]  kobject_add_internal+0x2c8/0x970
[  565.163106][ T8367]  kobject_add+0x16f/0x240
[  565.167689][ T8367]  ? kset_create_and_add+0x190/0x190
[  565.172981][ T8367]  ? do_raw_spin_unlock+0x173/0x230
[  565.178185][ T8367]  ? kobject_put+0xbe/0x440
[  565.182677][ T8367]  ? device_add+0xc35/0x1aa0
[  565.187255][ T8367]  device_add+0x289/0x1aa0
[  565.191663][ T8367]  ? device_initialize+0x510/0x510
[  565.196762][ T8367]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  565.203620][ T8367]  ? __init_waitqueue_head+0xca/0x150
[  565.209002][ T8367]  netdev_register_kobject+0x183/0x3f0
[  565.214460][ T8367]  register_netdevice+0xbe6/0x14b0
[  565.219586][ T8367]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  565.225474][ T8367]  ? validate_linkmsg+0x6fc/0x9c0
[  565.230498][ T8367]  br_dev_newlink+0x27/0x110
[  565.235184][ T8367]  ? br_changelink+0x1760/0x1760
[  565.240121][ T8367]  __rtnl_newlink+0x1173/0x1930
[  565.244980][ T8367]  ? rtnl_link_unregister+0x260/0x260
[  565.250362][ T8367]  rtnl_newlink+0x67/0xa0
[  565.254697][ T8367]  ? __rtnl_newlink+0x1930/0x1930
[  565.259723][ T8367]  rtnetlink_rcv_msg+0x3c7/0xe00
[  565.264667][ T8367]  ? rtnl_fill_vf+0x4a0/0x4a0
[  565.269343][ T8367]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  565.275324][ T8367]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  565.281309][ T8367]  netlink_rcv_skb+0x16b/0x440
[  565.286076][ T8367]  ? rtnl_fill_vf+0x4a0/0x4a0
[  565.290768][ T8367]  ? netlink_ack+0x1380/0x1380
[  565.295536][ T8367]  ? lock_sync+0x190/0x190
[  565.299965][ T8367]  ? netlink_deliver_tap+0x1a0/0xd00
[  565.305248][ T8367]  ? _copy_from_iter+0x2c1/0x10f0
[  565.310274][ T8367]  netlink_unicast+0x53b/0x810
[  565.315047][ T8367]  ? netlink_attachskb+0x880/0x880
[  565.320187][ T8367]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  565.326080][ T8367]  ? __phys_addr_symbol+0x30/0x70
[  565.331105][ T8367]  ? __check_object_size+0x323/0x730
[  565.336656][ T8367]  netlink_sendmsg+0x93c/0xe40
[  565.341685][ T8367]  ? netlink_unicast+0x810/0x810
[  565.346651][ T8367]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  565.351941][ T8367]  ? netlink_unicast+0x810/0x810
[  565.356891][ T8367]  __sock_sendmsg+0xd5/0x180
[  565.361573][ T8367]  ____sys_sendmsg+0x6ac/0x940
[  565.366424][ T8367]  ? copy_msghdr_from_user+0x10b/0x160
[  565.371933][ T8367]  ? kernel_sendmsg+0x50/0x50
[  565.376603][ T8367]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  565.382581][ T8367]  ___sys_sendmsg+0x135/0x1d0
[  565.387257][ T8367]  ? do_recvmmsg+0x740/0x740
[  565.391856][ T8367]  ? find_held_lock+0x2d/0x110
[  565.397686][ T8367]  ? preempt_count_sub+0x160/0x160
[  565.402792][ T8367]  ? __fget_light+0x1fc/0x260
[  565.407471][ T8367]  __sys_sendmsg+0x117/0x1e0
[  565.412068][ T8367]  ? __sys_sendmsg_sock+0x30/0x30
[  565.417094][ T8367]  ? xfd_validate_state+0x5d/0x180
[  565.422205][ T8367]  ? syscall_enter_from_user_mode+0x7f/0x120
[  565.428181][ T8367]  do_syscall_64+0x40/0x110
[  565.432860][ T8367]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  565.438796][ T8367] RIP: 0033:0x7ff3fd6020b9
[  565.443195][ T8367] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  565.462962][ T8367] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  565.471359][ T8367] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  565.479314][ T8367] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  565.487273][ T8367] RBP: 0000000000089b60 R08: 0000000000000000 R09: 0000000000000006
[  565.495254][ T8367] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  565.503210][ T8367] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  565.511193][ T8367]  </TASK>
[  565.516960][ T8367] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  565.583433][ T8367] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  565.592648][ T8367] CPU: 1 PID: 8367 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  565.603320][ T8367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  565.613360][ T8367] Call Trace:
[  565.616630][ T8367]  <TASK>
[  565.619550][ T8367]  dump_stack_lvl+0x125/0x1b0
[  565.624221][ T8367]  sysfs_warn_dup+0x7f/0xa0
[  565.628714][ T8367]  sysfs_create_dir_ns+0x249/0x2b0
[  565.633817][ T8367]  ? sysfs_create_mount_point+0xb0/0xb0
[  565.639370][ T8367]  ? spin_bug+0x1d0/0x1d0
[  565.643686][ T8367]  ? net_namespace+0x12/0x40
[  565.648437][ T8367]  ? device_namespace+0x8d/0xc0
[  565.653280][ T8367]  kobject_add_internal+0x2c8/0x970
[  565.658475][ T8367]  kobject_add+0x16f/0x240
[  565.662885][ T8367]  ? kset_create_and_add+0x190/0x190
[  565.668160][ T8367]  ? do_raw_spin_unlock+0x173/0x230
[  565.673363][ T8367]  ? kobject_put+0xbe/0x440
[  565.677915][ T8367]  ? device_add+0xc35/0x1aa0
[  565.682534][ T8367]  device_add+0x289/0x1aa0
[  565.686952][ T8367]  ? device_initialize+0x510/0x510
[  565.692056][ T8367]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  565.699003][ T8367]  ? __init_waitqueue_head+0xca/0x150
[  565.704380][ T8367]  netdev_register_kobject+0x183/0x3f0
[  565.709839][ T8367]  register_netdevice+0xbe6/0x14b0
[  565.714952][ T8367]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  565.720841][ T8367]  ? validate_linkmsg+0x6fc/0x9c0
[  565.725862][ T8367]  br_dev_newlink+0x27/0x110
[  565.730535][ T8367]  ? br_changelink+0x1760/0x1760
[  565.735555][ T8367]  __rtnl_newlink+0x1173/0x1930
[  565.740435][ T8367]  ? rtnl_link_unregister+0x260/0x260
[  565.745811][ T8367]  rtnl_newlink+0x67/0xa0
[  565.750131][ T8367]  ? __rtnl_newlink+0x1930/0x1930
[  565.755148][ T8367]  rtnetlink_rcv_msg+0x3c7/0xe00
[  565.760085][ T8367]  ? rtnl_fill_vf+0x4a0/0x4a0
[  565.764760][ T8367]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  565.770734][ T8367]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  565.776715][ T8367]  netlink_rcv_skb+0x16b/0x440
[  565.781478][ T8367]  ? rtnl_fill_vf+0x4a0/0x4a0
[  565.786159][ T8367]  ? netlink_ack+0x1380/0x1380
[  565.790928][ T8367]  ? lock_sync+0x190/0x190
[  565.795351][ T8367]  ? netlink_deliver_tap+0x1a0/0xd00
[  565.800652][ T8367]  ? _copy_from_iter+0x2c1/0x10f0
[  565.805698][ T8367]  netlink_unicast+0x53b/0x810
[  565.810465][ T8367]  ? netlink_attachskb+0x880/0x880
[  565.815596][ T8367]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  565.821488][ T8367]  ? __phys_addr_symbol+0x30/0x70
[  565.826505][ T8367]  ? __check_object_size+0x323/0x730
[  565.831827][ T8367]  netlink_sendmsg+0x93c/0xe40
[  565.836608][ T8367]  ? netlink_unicast+0x810/0x810
[  565.841569][ T8367]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  565.846853][ T8367]  ? netlink_unicast+0x810/0x810
[  565.851789][ T8367]  __sock_sendmsg+0xd5/0x180
[  565.856374][ T8367]  ____sys_sendmsg+0x6ac/0x940
[  565.861130][ T8367]  ? copy_msghdr_from_user+0x10b/0x160
[  565.866599][ T8367]  ? kernel_sendmsg+0x50/0x50
[  565.871266][ T8367]  ? hlock_class+0x4e/0x130
[  565.875760][ T8367]  ? __lock_acquire+0x14e0/0x3b10
[  565.880780][ T8367]  ___sys_sendmsg+0x135/0x1d0
[  565.885449][ T8367]  ? do_recvmmsg+0x740/0x740
[  565.890038][ T8367]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  565.896084][ T8367]  ? find_held_lock+0x2d/0x110
[  565.900918][ T8367]  ? __fget_light+0x1fc/0x260
[  565.905606][ T8367]  __sys_sendmsg+0x117/0x1e0
[  565.910212][ T8367]  ? __sys_sendmsg_sock+0x30/0x30
[  565.915231][ T8367]  ? __do_sys_rseq+0x750/0x750
[  565.920015][ T8367]  ? syscall_enter_from_user_mode+0x7f/0x120
[  565.926003][ T8367]  do_syscall_64+0x40/0x110
[  565.930510][ T8367]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  565.936512][ T8367] RIP: 0033:0x7ff3fd6020b9
[  565.940919][ T8367] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  565.960644][ T8367] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  565.970787][ T8367] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  565.978752][ T8367] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  565.986713][ T8367] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  565.994688][ T8367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  566.002646][ T8367] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  566.010633][ T8367]  </TASK>
[  566.015369][ T8367] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  566.066568][ T8368] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  566.076694][ T8368] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  566.085954][ T8368] CPU: 0 PID: 8368 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  566.096385][ T8368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  566.106603][ T8368] Call Trace:
[  566.109877][ T8368]  <TASK>
[  566.112801][ T8368]  dump_stack_lvl+0x125/0x1b0
[  566.117506][ T8368]  sysfs_warn_dup+0x7f/0xa0
[  566.122047][ T8368]  sysfs_create_dir_ns+0x249/0x2b0
[  566.127162][ T8368]  ? sysfs_create_mount_point+0xb0/0xb0
[  566.132706][ T8368]  ? spin_bug+0x1d0/0x1d0
[  566.137123][ T8368]  ? net_namespace+0x12/0x40
[  566.141707][ T8368]  ? device_namespace+0x8d/0xc0
[  566.146558][ T8368]  kobject_add_internal+0x2c8/0x970
[  566.151759][ T8368]  kobject_add+0x16f/0x240
[  566.156281][ T8368]  ? kset_create_and_add+0x190/0x190
[  566.162435][ T8368]  ? do_raw_spin_unlock+0x173/0x230
[  566.167625][ T8368]  ? kobject_put+0xbe/0x440
[  566.172123][ T8368]  ? device_add+0xc35/0x1aa0
[  566.176710][ T8368]  device_add+0x289/0x1aa0
[  566.181124][ T8368]  ? device_initialize+0x510/0x510
[  566.186223][ T8368]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  566.193070][ T8368]  ? __init_waitqueue_head+0xca/0x150
[  566.198444][ T8368]  netdev_register_kobject+0x183/0x3f0
[  566.203905][ T8368]  register_netdevice+0xbe6/0x14b0
[  566.209022][ T8368]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  566.214915][ T8368]  ? validate_linkmsg+0x6fc/0x9c0
[  566.219935][ T8368]  br_dev_newlink+0x27/0x110
[  566.224519][ T8368]  ? br_changelink+0x1760/0x1760
[  566.229802][ T8368]  __rtnl_newlink+0x1173/0x1930
[  566.234689][ T8368]  ? rtnl_link_unregister+0x260/0x260
[  566.240075][ T8368]  rtnl_newlink+0x67/0xa0
[  566.244398][ T8368]  ? __rtnl_newlink+0x1930/0x1930
[  566.249417][ T8368]  rtnetlink_rcv_msg+0x3c7/0xe00
[  566.254351][ T8368]  ? rtnl_fill_vf+0x4a0/0x4a0
[  566.259023][ T8368]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  566.265002][ T8368]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  566.270989][ T8368]  netlink_rcv_skb+0x16b/0x440
[  566.275754][ T8368]  ? rtnl_fill_vf+0x4a0/0x4a0
[  566.280457][ T8368]  ? netlink_ack+0x1380/0x1380
[  566.285240][ T8368]  ? lock_sync+0x190/0x190
[  566.289663][ T8368]  ? netlink_deliver_tap+0x1a0/0xd00
[  566.294946][ T8368]  ? _copy_from_iter+0x2c1/0x10f0
[  566.299969][ T8368]  netlink_unicast+0x53b/0x810
[  566.304736][ T8368]  ? netlink_attachskb+0x880/0x880
[  566.309844][ T8368]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  566.315734][ T8368]  ? __phys_addr_symbol+0x30/0x70
[  566.320760][ T8368]  ? __check_object_size+0x323/0x730
[  566.326038][ T8368]  netlink_sendmsg+0x93c/0xe40
[  566.330828][ T8368]  ? netlink_unicast+0x810/0x810
[  566.335769][ T8368]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  566.341097][ T8368]  ? netlink_unicast+0x810/0x810
[  566.348040][ T8368]  __sock_sendmsg+0xd5/0x180
[  566.353594][ T8368]  ____sys_sendmsg+0x6ac/0x940
[  566.358355][ T8368]  ? copy_msghdr_from_user+0x10b/0x160
[  566.363814][ T8368]  ? kernel_sendmsg+0x50/0x50
[  566.368496][ T8368]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  566.374673][ T8368]  ___sys_sendmsg+0x135/0x1d0
[  566.379354][ T8368]  ? do_recvmmsg+0x740/0x740
[  566.383939][ T8368]  ? find_held_lock+0x2d/0x110
[  566.388705][ T8368]  ? preempt_count_sub+0x160/0x160
[  566.393819][ T8368]  ? __fget_light+0x1fc/0x260
[  566.398490][ T8368]  __sys_sendmsg+0x117/0x1e0
[  566.403081][ T8368]  ? __sys_sendmsg_sock+0x30/0x30
[  566.408119][ T8368]  ? syscall_enter_from_user_mode+0x7f/0x120
[  566.414110][ T8368]  do_syscall_64+0x40/0x110
[  566.418608][ T8368]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  566.424501][ T8368] RIP: 0033:0x7ff3fd6020b9
[  566.429341][ T8368] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  566.448960][ T8368] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  566.457380][ T8368] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  566.465342][ T8368] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  566.473303][ T8368] RBP: 0000000000089f3f R08: 0000000000000000 R09: 0000000000000006
[  566.481265][ T8368] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  566.489233][ T8368] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  566.497201][ T8368]  </TASK>
[  566.501144][ T8368] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  566.553383][ T8368] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  566.562642][ T8368] CPU: 1 PID: 8368 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  566.573063][ T8368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  566.583122][ T8368] Call Trace:
[  566.586391][ T8368]  <TASK>
[  566.589398][ T8368]  dump_stack_lvl+0x125/0x1b0
[  566.594072][ T8368]  sysfs_warn_dup+0x7f/0xa0
[  566.598663][ T8368]  sysfs_create_dir_ns+0x249/0x2b0
[  566.603767][ T8368]  ? sysfs_create_mount_point+0xb0/0xb0
[  566.609305][ T8368]  ? spin_bug+0x1d0/0x1d0
[  566.613627][ T8368]  ? net_namespace+0x12/0x40
[  566.618204][ T8368]  ? device_namespace+0x8d/0xc0
[  566.623053][ T8368]  kobject_add_internal+0x2c8/0x970
[  566.628246][ T8368]  kobject_add+0x16f/0x240
[  566.632658][ T8368]  ? kset_create_and_add+0x190/0x190
[  566.637956][ T8368]  ? do_raw_spin_unlock+0x173/0x230
[  566.643143][ T8368]  ? kobject_put+0xbe/0x440
[  566.647641][ T8368]  ? device_add+0xc35/0x1aa0
[  566.652222][ T8368]  device_add+0x289/0x1aa0
[  566.656631][ T8368]  ? device_initialize+0x510/0x510
[  566.661734][ T8368]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  566.668602][ T8368]  ? __init_waitqueue_head+0xca/0x150
[  566.673977][ T8368]  netdev_register_kobject+0x183/0x3f0
[  566.679461][ T8368]  register_netdevice+0xbe6/0x14b0
[  566.684664][ T8368]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  566.690561][ T8368]  ? validate_linkmsg+0x6fc/0x9c0
[  566.695600][ T8368]  br_dev_newlink+0x27/0x110
[  566.700192][ T8368]  ? br_changelink+0x1760/0x1760
[  566.705119][ T8368]  __rtnl_newlink+0x1173/0x1930
[  566.709991][ T8368]  ? rtnl_link_unregister+0x260/0x260
[  566.715558][ T8368]  rtnl_newlink+0x67/0xa0
[  566.719894][ T8368]  ? __rtnl_newlink+0x1930/0x1930
[  566.724911][ T8368]  rtnetlink_rcv_msg+0x3c7/0xe00
[  566.729844][ T8368]  ? rtnl_fill_vf+0x4a0/0x4a0
[  566.734511][ T8368]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  566.740481][ T8368]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  566.746459][ T8368]  netlink_rcv_skb+0x16b/0x440
[  566.751214][ T8368]  ? rtnl_fill_vf+0x4a0/0x4a0
[  566.755884][ T8368]  ? netlink_ack+0x1380/0x1380
[  566.760649][ T8368]  ? lock_sync+0x190/0x190
[  566.765067][ T8368]  ? netlink_deliver_tap+0x1a0/0xd00
[  566.770338][ T8368]  ? _copy_from_iter+0x2c1/0x10f0
[  566.775355][ T8368]  netlink_unicast+0x53b/0x810
[  566.780114][ T8368]  ? netlink_attachskb+0x880/0x880
[  566.785229][ T8368]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  566.791120][ T8368]  ? __phys_addr_symbol+0x30/0x70
[  566.796132][ T8368]  ? __check_object_size+0x323/0x730
[  566.801405][ T8368]  netlink_sendmsg+0x93c/0xe40
[  566.806168][ T8368]  ? netlink_unicast+0x810/0x810
[  566.811135][ T8368]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  566.816408][ T8368]  ? netlink_unicast+0x810/0x810
[  566.821337][ T8368]  __sock_sendmsg+0xd5/0x180
[  566.825969][ T8368]  ____sys_sendmsg+0x6ac/0x940
[  566.830723][ T8368]  ? copy_msghdr_from_user+0x10b/0x160
[  566.836174][ T8368]  ? kernel_sendmsg+0x50/0x50
[  566.840873][ T8368]  ? hlock_class+0x4e/0x130
[  566.845362][ T8368]  ? __lock_acquire+0x14e0/0x3b10
[  566.850377][ T8368]  ___sys_sendmsg+0x135/0x1d0
[  566.855069][ T8368]  ? do_recvmmsg+0x740/0x740
[  566.859712][ T8368]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  566.865854][ T8368]  ? find_held_lock+0x2d/0x110
[  566.870653][ T8368]  ? __fget_light+0x1fc/0x260
[  566.875358][ T8368]  __sys_sendmsg+0x117/0x1e0
[  566.879955][ T8368]  ? __sys_sendmsg_sock+0x30/0x30
[  566.884977][ T8368]  ? __do_sys_rseq+0x750/0x750
[  566.889744][ T8368]  ? syscall_enter_from_user_mode+0x7f/0x120
[  566.895743][ T8368]  do_syscall_64+0x40/0x110
[  566.900241][ T8368]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  566.906128][ T8368] RIP: 0033:0x7ff3fd6020b9
[  566.910532][ T8368] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  566.930149][ T8368] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  566.938562][ T8368] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  566.946535][ T8368] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  566.954495][ T8368] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  566.962453][ T8368] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  566.971280][ T8368] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  566.979247][ T8368]  </TASK>
[  566.983721][ T8368] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  567.057673][ T8369] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  567.067992][ T8369] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  567.077192][ T8369] CPU: 1 PID: 8369 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  567.087619][ T8369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  567.097690][ T8369] Call Trace:
[  567.100978][ T8369]  <TASK>
[  567.103917][ T8369]  dump_stack_lvl+0x125/0x1b0
[  567.108598][ T8369]  sysfs_warn_dup+0x7f/0xa0
[  567.113129][ T8369]  sysfs_create_dir_ns+0x249/0x2b0
[  567.118302][ T8369]  ? sysfs_create_mount_point+0xb0/0xb0
[  567.123842][ T8369]  ? spin_bug+0x1d0/0x1d0
[  567.128162][ T8369]  ? net_namespace+0x12/0x40
[  567.132772][ T8369]  ? device_namespace+0x8d/0xc0
[  567.137643][ T8369]  kobject_add_internal+0x2c8/0x970
[  567.142854][ T8369]  kobject_add+0x16f/0x240
[  567.147273][ T8369]  ? kset_create_and_add+0x190/0x190
[  567.152560][ T8369]  ? do_raw_spin_unlock+0x173/0x230
[  567.157753][ T8369]  ? kobject_put+0xbe/0x440
[  567.162260][ T8369]  ? device_add+0xc35/0x1aa0
[  567.166852][ T8369]  device_add+0x289/0x1aa0
[  567.171269][ T8369]  ? device_initialize+0x510/0x510
[  567.176371][ T8369]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  567.183350][ T8369]  ? __init_waitqueue_head+0xca/0x150
[  567.188747][ T8369]  netdev_register_kobject+0x183/0x3f0
[  567.194229][ T8369]  register_netdevice+0xbe6/0x14b0
[  567.199356][ T8369]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  567.205259][ T8369]  ? validate_linkmsg+0x6fc/0x9c0
[  567.210286][ T8369]  br_dev_newlink+0x27/0x110
[  567.214882][ T8369]  ? br_changelink+0x1760/0x1760
[  567.220772][ T8369]  __rtnl_newlink+0x1173/0x1930
[  567.225629][ T8369]  ? rtnl_link_unregister+0x260/0x260
[  567.231027][ T8369]  rtnl_newlink+0x67/0xa0
[  567.235351][ T8369]  ? __rtnl_newlink+0x1930/0x1930
[  567.240390][ T8369]  rtnetlink_rcv_msg+0x3c7/0xe00
[  567.245329][ T8369]  ? rtnl_fill_vf+0x4a0/0x4a0
[  567.250002][ T8369]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  567.255983][ T8369]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  567.261967][ T8369]  netlink_rcv_skb+0x16b/0x440
[  567.266729][ T8369]  ? rtnl_fill_vf+0x4a0/0x4a0
[  567.271402][ T8369]  ? netlink_ack+0x1380/0x1380
[  567.276162][ T8369]  ? lock_sync+0x190/0x190
[  567.280689][ T8369]  ? netlink_deliver_tap+0x1a0/0xd00
[  567.286158][ T8369]  ? _copy_from_iter+0x2c1/0x10f0
[  567.291198][ T8369]  netlink_unicast+0x53b/0x810
[  567.295965][ T8369]  ? netlink_attachskb+0x880/0x880
[  567.301096][ T8369]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  567.306985][ T8369]  ? __phys_addr_symbol+0x30/0x70
[  567.312114][ T8369]  ? __check_object_size+0x323/0x730
[  567.317400][ T8369]  netlink_sendmsg+0x93c/0xe40
[  567.322167][ T8369]  ? netlink_unicast+0x810/0x810
[  567.327125][ T8369]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  567.332407][ T8369]  ? netlink_unicast+0x810/0x810
[  567.337435][ T8369]  __sock_sendmsg+0xd5/0x180
[  567.342024][ T8369]  ____sys_sendmsg+0x6ac/0x940
[  567.346789][ T8369]  ? copy_msghdr_from_user+0x10b/0x160
[  567.352243][ T8369]  ? kernel_sendmsg+0x50/0x50
[  567.356924][ T8369]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  567.362915][ T8369]  ___sys_sendmsg+0x135/0x1d0
[  567.367591][ T8369]  ? do_recvmmsg+0x740/0x740
[  567.372180][ T8369]  ? find_held_lock+0x2d/0x110
[  567.376947][ T8369]  ? preempt_count_sub+0x160/0x160
[  567.382058][ T8369]  ? __fget_light+0x1fc/0x260
[  567.386734][ T8369]  __sys_sendmsg+0x117/0x1e0
[  567.391347][ T8369]  ? __sys_sendmsg_sock+0x30/0x30
[  567.396371][ T8369]  ? xfd_validate_state+0x5d/0x180
[  567.401493][ T8369]  ? syscall_enter_from_user_mode+0x7f/0x120
[  567.407563][ T8369]  do_syscall_64+0x40/0x110
[  567.412066][ T8369]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  567.417960][ T8369] RIP: 0033:0x7ff3fd6020b9
[  567.422367][ T8369] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  567.442147][ T8369] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  567.450555][ T8369] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  567.458516][ T8369] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  567.466481][ T8369] RBP: 000000000008a31c R08: 0000000000000000 R09: 0000000000000006
[  567.474458][ T8369] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  567.482417][ T8369] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  567.490403][ T8369]  </TASK>
[  567.495561][ T8369] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  567.553379][ T8369] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  567.563797][ T8369] CPU: 0 PID: 8369 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  567.574219][ T8369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  567.584284][ T8369] Call Trace:
[  567.587554][ T8369]  <TASK>
[  567.590485][ T8369]  dump_stack_lvl+0x125/0x1b0
[  567.595185][ T8369]  sysfs_warn_dup+0x7f/0xa0
[  567.599681][ T8369]  sysfs_create_dir_ns+0x249/0x2b0
[  567.604783][ T8369]  ? sysfs_create_mount_point+0xb0/0xb0
[  567.610339][ T8369]  ? spin_bug+0x1d0/0x1d0
[  567.614659][ T8369]  ? net_namespace+0x12/0x40
[  567.619256][ T8369]  ? device_namespace+0x8d/0xc0
[  567.624185][ T8369]  kobject_add_internal+0x2c8/0x970
[  567.629392][ T8369]  kobject_add+0x16f/0x240
[  567.633827][ T8369]  ? kset_create_and_add+0x190/0x190
[  567.639115][ T8369]  ? do_raw_spin_unlock+0x173/0x230
[  567.644298][ T8369]  ? kobject_put+0xbe/0x440
[  567.648791][ T8369]  ? device_add+0xc35/0x1aa0
[  567.653369][ T8369]  device_add+0x289/0x1aa0
[  567.657773][ T8369]  ? device_initialize+0x510/0x510
[  567.662888][ T8369]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  567.669744][ T8369]  ? __init_waitqueue_head+0xca/0x150
[  567.675112][ T8369]  netdev_register_kobject+0x183/0x3f0
[  567.680567][ T8369]  register_netdevice+0xbe6/0x14b0
[  567.685676][ T8369]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  567.691567][ T8369]  ? validate_linkmsg+0x6fc/0x9c0
[  567.696675][ T8369]  br_dev_newlink+0x27/0x110
[  567.701259][ T8369]  ? br_changelink+0x1760/0x1760
[  567.706186][ T8369]  __rtnl_newlink+0x1173/0x1930
[  567.711052][ T8369]  ? rtnl_link_unregister+0x260/0x260
[  567.716539][ T8369]  rtnl_newlink+0x67/0xa0
[  567.720858][ T8369]  ? __rtnl_newlink+0x1930/0x1930
[  567.725873][ T8369]  rtnetlink_rcv_msg+0x3c7/0xe00
[  567.730899][ T8369]  ? rtnl_fill_vf+0x4a0/0x4a0
[  567.735565][ T8369]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  567.741540][ T8369]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  567.747516][ T8369]  netlink_rcv_skb+0x16b/0x440
[  567.752272][ T8369]  ? rtnl_fill_vf+0x4a0/0x4a0
[  567.756945][ T8369]  ? netlink_ack+0x1380/0x1380
[  567.761702][ T8369]  ? lock_sync+0x190/0x190
[  567.766133][ T8369]  ? netlink_deliver_tap+0x1a0/0xd00
[  567.771410][ T8369]  ? _copy_from_iter+0x2c1/0x10f0
[  567.776450][ T8369]  netlink_unicast+0x53b/0x810
[  567.781224][ T8369]  ? netlink_attachskb+0x880/0x880
[  567.786323][ T8369]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  567.792202][ T8369]  ? __phys_addr_symbol+0x30/0x70
[  567.797225][ T8369]  ? __check_object_size+0x323/0x730
[  567.802497][ T8369]  netlink_sendmsg+0x93c/0xe40
[  567.807255][ T8369]  ? netlink_unicast+0x810/0x810
[  567.812184][ T8369]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  567.817462][ T8369]  ? netlink_unicast+0x810/0x810
[  567.822388][ T8369]  __sock_sendmsg+0xd5/0x180
[  567.826968][ T8369]  ____sys_sendmsg+0x6ac/0x940
[  567.831726][ T8369]  ? copy_msghdr_from_user+0x10b/0x160
[  567.837205][ T8369]  ? kernel_sendmsg+0x50/0x50
[  567.842262][ T8369]  ? hlock_class+0x4e/0x130
[  567.846755][ T8369]  ? __lock_acquire+0x14e0/0x3b10
[  567.851773][ T8369]  ___sys_sendmsg+0x135/0x1d0
[  567.856442][ T8369]  ? do_recvmmsg+0x740/0x740
[  567.861038][ T8369]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  567.867440][ T8369]  ? find_held_lock+0x2d/0x110
[  567.872209][ T8369]  ? __fget_light+0x1fc/0x260
[  567.876876][ T8369]  __sys_sendmsg+0x117/0x1e0
[  567.881457][ T8369]  ? __sys_sendmsg_sock+0x30/0x30
[  567.886468][ T8369]  ? xfd_validate_state+0x5d/0x180
[  567.891599][ T8369]  ? syscall_enter_from_user_mode+0x7f/0x120
[  567.897631][ T8369]  do_syscall_64+0x40/0x110
[  567.902129][ T8369]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  567.908016][ T8369] RIP: 0033:0x7ff3fd6020b9
[  567.912416][ T8369] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  567.932197][ T8369] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  567.940594][ T8369] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  567.948758][ T8369] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  567.956736][ T8369] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  567.964710][ T8369] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  567.972755][ T8369] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  567.980727][ T8369]  </TASK>
[  567.984841][ T8369] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  568.038832][ T8370] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  568.049037][ T8370] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  568.058306][ T8370] CPU: 1 PID: 8370 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  568.068726][ T8370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  568.078805][ T8370] Call Trace:
[  568.082085][ T8370]  <TASK>
[  568.085012][ T8370]  dump_stack_lvl+0x125/0x1b0
[  568.089713][ T8370]  sysfs_warn_dup+0x7f/0xa0
[  568.094234][ T8370]  sysfs_create_dir_ns+0x249/0x2b0
[  568.099338][ T8370]  ? sysfs_create_mount_point+0xb0/0xb0
[  568.104910][ T8370]  ? spin_bug+0x1d0/0x1d0
[  568.109244][ T8370]  ? net_namespace+0x12/0x40
[  568.113826][ T8370]  ? device_namespace+0x8d/0xc0
[  568.118671][ T8370]  kobject_add_internal+0x2c8/0x970
[  568.123868][ T8370]  kobject_add+0x16f/0x240
[  568.128295][ T8370]  ? kset_create_and_add+0x190/0x190
[  568.133600][ T8370]  ? do_raw_spin_unlock+0x173/0x230
[  568.138823][ T8370]  ? kobject_put+0xbe/0x440
[  568.143342][ T8370]  ? device_add+0xc35/0x1aa0
[  568.147937][ T8370]  device_add+0x289/0x1aa0
[  568.152350][ T8370]  ? device_initialize+0x510/0x510
[  568.157454][ T8370]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  568.164299][ T8370]  ? __init_waitqueue_head+0xca/0x150
[  568.169673][ T8370]  netdev_register_kobject+0x183/0x3f0
[  568.175135][ T8370]  register_netdevice+0xbe6/0x14b0
[  568.180245][ T8370]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  568.186132][ T8370]  ? validate_linkmsg+0x6fc/0x9c0
[  568.191149][ T8370]  br_dev_newlink+0x27/0x110
[  568.195759][ T8370]  ? br_changelink+0x1760/0x1760
[  568.201224][ T8370]  __rtnl_newlink+0x1173/0x1930
[  568.206075][ T8370]  ? rtnl_link_unregister+0x260/0x260
[  568.211451][ T8370]  rtnl_newlink+0x67/0xa0
[  568.215813][ T8370]  ? __rtnl_newlink+0x1930/0x1930
[  568.220825][ T8370]  rtnetlink_rcv_msg+0x3c7/0xe00
[  568.225753][ T8370]  ? rtnl_fill_vf+0x4a0/0x4a0
[  568.230429][ T8370]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  568.236400][ T8370]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  568.242378][ T8370]  netlink_rcv_skb+0x16b/0x440
[  568.247136][ T8370]  ? rtnl_fill_vf+0x4a0/0x4a0
[  568.251810][ T8370]  ? netlink_ack+0x1380/0x1380
[  568.256587][ T8370]  ? lock_sync+0x190/0x190
[  568.261019][ T8370]  ? netlink_deliver_tap+0x1a0/0xd00
[  568.266298][ T8370]  ? _copy_from_iter+0x2c1/0x10f0
[  568.271507][ T8370]  netlink_unicast+0x53b/0x810
[  568.276292][ T8370]  ? netlink_attachskb+0x880/0x880
[  568.281491][ T8370]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  568.287374][ T8370]  ? __phys_addr_symbol+0x30/0x70
[  568.292388][ T8370]  ? __check_object_size+0x323/0x730
[  568.297689][ T8370]  netlink_sendmsg+0x93c/0xe40
[  568.302446][ T8370]  ? netlink_unicast+0x810/0x810
[  568.307387][ T8370]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  568.312661][ T8370]  ? netlink_unicast+0x810/0x810
[  568.317588][ T8370]  __sock_sendmsg+0xd5/0x180
[  568.322173][ T8370]  ____sys_sendmsg+0x6ac/0x940
[  568.326940][ T8370]  ? copy_msghdr_from_user+0x10b/0x160
[  568.332418][ T8370]  ? kernel_sendmsg+0x50/0x50
[  568.337088][ T8370]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  568.343061][ T8370]  ___sys_sendmsg+0x135/0x1d0
[  568.347729][ T8370]  ? do_recvmmsg+0x740/0x740
[  568.352306][ T8370]  ? find_held_lock+0x2d/0x110
[  568.357160][ T8370]  ? preempt_count_sub+0x160/0x160
[  568.362267][ T8370]  ? __fget_light+0x1fc/0x260
[  568.367052][ T8370]  __sys_sendmsg+0x117/0x1e0
[  568.371656][ T8370]  ? __sys_sendmsg_sock+0x30/0x30
[  568.376678][ T8370]  ? syscall_enter_from_user_mode+0x7f/0x120
[  568.382652][ T8370]  do_syscall_64+0x40/0x110
[  568.387147][ T8370]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  568.393032][ T8370] RIP: 0033:0x7ff3fd6020b9
[  568.397431][ T8370] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  568.417050][ T8370] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  568.425475][ T8370] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  568.433432][ T8370] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  568.441403][ T8370] RBP: 000000000008a6fb R08: 0000000000000000 R09: 0000000000000006
[  568.449362][ T8370] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  568.457321][ T8370] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  568.465289][ T8370]  </TASK>
[  568.470803][ T8370] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  568.523293][ T8370] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  568.532552][ T8370] CPU: 0 PID: 8370 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  568.542984][ T8370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  568.553020][ T8370] Call Trace:
[  568.556281][ T8370]  <TASK>
[  568.559191][ T8370]  dump_stack_lvl+0x125/0x1b0
[  568.563872][ T8370]  sysfs_warn_dup+0x7f/0xa0
[  568.568361][ T8370]  sysfs_create_dir_ns+0x249/0x2b0
[  568.573461][ T8370]  ? sysfs_create_mount_point+0xb0/0xb0
[  568.579005][ T8370]  ? spin_bug+0x1d0/0x1d0
[  568.583330][ T8370]  ? net_namespace+0x12/0x40
[  568.587912][ T8370]  ? device_namespace+0x8d/0xc0
[  568.592869][ T8370]  kobject_add_internal+0x2c8/0x970
[  568.598069][ T8370]  kobject_add+0x16f/0x240
[  568.602480][ T8370]  ? kset_create_and_add+0x190/0x190
[  568.607770][ T8370]  ? do_raw_spin_unlock+0x173/0x230
[  568.612962][ T8370]  ? kobject_put+0xbe/0x440
[  568.617462][ T8370]  ? device_add+0xc35/0x1aa0
[  568.622050][ T8370]  device_add+0x289/0x1aa0
[  568.626460][ T8370]  ? device_initialize+0x510/0x510
[  568.631576][ T8370]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  568.638423][ T8370]  ? __init_waitqueue_head+0xca/0x150
[  568.643799][ T8370]  netdev_register_kobject+0x183/0x3f0
[  568.649260][ T8370]  register_netdevice+0xbe6/0x14b0
[  568.654372][ T8370]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  568.660263][ T8370]  ? validate_linkmsg+0x6fc/0x9c0
[  568.665300][ T8370]  br_dev_newlink+0x27/0x110
[  568.669893][ T8370]  ? br_changelink+0x1760/0x1760
[  568.674821][ T8370]  __rtnl_newlink+0x1173/0x1930
[  568.679674][ T8370]  ? rtnl_link_unregister+0x260/0x260
[  568.685144][ T8370]  rtnl_newlink+0x67/0xa0
[  568.689467][ T8370]  ? __rtnl_newlink+0x1930/0x1930
[  568.694495][ T8370]  rtnetlink_rcv_msg+0x3c7/0xe00
[  568.699539][ T8370]  ? rtnl_fill_vf+0x4a0/0x4a0
[  568.704213][ T8370]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  568.710191][ T8370]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  568.716195][ T8370]  netlink_rcv_skb+0x16b/0x440
[  568.720964][ T8370]  ? rtnl_fill_vf+0x4a0/0x4a0
[  568.725639][ T8370]  ? netlink_ack+0x1380/0x1380
[  568.730398][ T8370]  ? lock_sync+0x190/0x190
[  568.734824][ T8370]  ? netlink_deliver_tap+0x1a0/0xd00
[  568.740105][ T8370]  ? _copy_from_iter+0x2c1/0x10f0
[  568.745128][ T8370]  netlink_unicast+0x53b/0x810
[  568.749891][ T8370]  ? netlink_attachskb+0x880/0x880
[  568.755088][ T8370]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  568.760978][ T8370]  ? __phys_addr_symbol+0x30/0x70
[  568.765994][ T8370]  ? __check_object_size+0x323/0x730
[  568.771276][ T8370]  netlink_sendmsg+0x93c/0xe40
[  568.776045][ T8370]  ? netlink_unicast+0x810/0x810
[  568.780983][ T8370]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  568.786263][ T8370]  ? netlink_unicast+0x810/0x810
[  568.791305][ T8370]  __sock_sendmsg+0xd5/0x180
[  568.795910][ T8370]  ____sys_sendmsg+0x6ac/0x940
[  568.800672][ T8370]  ? copy_msghdr_from_user+0x10b/0x160
[  568.806162][ T8370]  ? kernel_sendmsg+0x50/0x50
[  568.810870][ T8370]  ___sys_sendmsg+0x135/0x1d0
[  568.815563][ T8370]  ? do_recvmmsg+0x740/0x740
[  568.820154][ T8370]  ? find_held_lock+0x2d/0x110
[  568.824927][ T8370]  ? preempt_count_sub+0x160/0x160
[  568.830045][ T8370]  ? __fget_light+0x1fc/0x260
[  568.834721][ T8370]  __sys_sendmsg+0x117/0x1e0
[  568.839311][ T8370]  ? __sys_sendmsg_sock+0x30/0x30
[  568.844346][ T8370]  ? syscall_enter_from_user_mode+0x7f/0x120
[  568.850332][ T8370]  do_syscall_64+0x40/0x110
[  568.854841][ T8370]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  568.860738][ T8370] RIP: 0033:0x7ff3fd6020b9
[  568.865146][ T8370] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  568.884761][ T8370] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  568.893179][ T8370] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  568.901145][ T8370] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  568.909106][ T8370] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  568.917073][ T8370] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  568.925048][ T8370] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  568.933023][ T8370]  </TASK>
[  568.936197][ T8370] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  568.987924][ T8371] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  568.998101][ T8371] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  569.007369][ T8371] CPU: 0 PID: 8371 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  569.017803][ T8371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  569.027850][ T8371] Call Trace:
[  569.031123][ T8371]  <TASK>
[  569.034059][ T8371]  dump_stack_lvl+0x125/0x1b0
[  569.038745][ T8371]  sysfs_warn_dup+0x7f/0xa0
[  569.043245][ T8371]  sysfs_create_dir_ns+0x249/0x2b0
[  569.048350][ T8371]  ? sysfs_create_mount_point+0xb0/0xb0
[  569.053888][ T8371]  ? spin_bug+0x1d0/0x1d0
[  569.058225][ T8371]  ? net_namespace+0x12/0x40
[  569.062840][ T8371]  ? device_namespace+0x8d/0xc0
[  569.067694][ T8371]  kobject_add_internal+0x2c8/0x970
[  569.072908][ T8371]  kobject_add+0x16f/0x240
[  569.077326][ T8371]  ? kset_create_and_add+0x190/0x190
[  569.082611][ T8371]  ? do_raw_spin_unlock+0x173/0x230
[  569.087805][ T8371]  ? kobject_put+0xbe/0x440
[  569.092303][ T8371]  ? device_add+0xc35/0x1aa0
[  569.096918][ T8371]  device_add+0x289/0x1aa0
[  569.101345][ T8371]  ? device_initialize+0x510/0x510
[  569.106448][ T8371]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  569.113293][ T8371]  ? __init_waitqueue_head+0xca/0x150
[  569.118664][ T8371]  netdev_register_kobject+0x183/0x3f0
[  569.124126][ T8371]  register_netdevice+0xbe6/0x14b0
[  569.129236][ T8371]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  569.135130][ T8371]  ? validate_linkmsg+0x6fc/0x9c0
[  569.140151][ T8371]  br_dev_newlink+0x27/0x110
[  569.144739][ T8371]  ? br_changelink+0x1760/0x1760
[  569.149668][ T8371]  __rtnl_newlink+0x1173/0x1930
[  569.154522][ T8371]  ? rtnl_link_unregister+0x260/0x260
[  569.159908][ T8371]  rtnl_newlink+0x67/0xa0
[  569.164233][ T8371]  ? __rtnl_newlink+0x1930/0x1930
[  569.169427][ T8371]  rtnetlink_rcv_msg+0x3c7/0xe00
[  569.174387][ T8371]  ? rtnl_fill_vf+0x4a0/0x4a0
[  569.179080][ T8371]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  569.185064][ T8371]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  569.191048][ T8371]  netlink_rcv_skb+0x16b/0x440
[  569.195810][ T8371]  ? rtnl_fill_vf+0x4a0/0x4a0
[  569.200483][ T8371]  ? netlink_ack+0x1380/0x1380
[  569.205252][ T8371]  ? lock_sync+0x190/0x190
[  569.209676][ T8371]  ? netlink_deliver_tap+0x1a0/0xd00
[  569.214962][ T8371]  ? _copy_from_iter+0x2c1/0x10f0
[  569.219988][ T8371]  netlink_unicast+0x53b/0x810
[  569.224781][ T8371]  ? netlink_attachskb+0x880/0x880
[  569.229953][ T8371]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  569.235869][ T8371]  ? __phys_addr_symbol+0x30/0x70
[  569.240904][ T8371]  ? __check_object_size+0x323/0x730
[  569.246195][ T8371]  netlink_sendmsg+0x93c/0xe40
[  569.250978][ T8371]  ? netlink_unicast+0x810/0x810
[  569.255925][ T8371]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  569.261208][ T8371]  ? netlink_unicast+0x810/0x810
[  569.266150][ T8371]  __sock_sendmsg+0xd5/0x180
[  569.270749][ T8371]  ____sys_sendmsg+0x6ac/0x940
[  569.275510][ T8371]  ? copy_msghdr_from_user+0x10b/0x160
[  569.280968][ T8371]  ? kernel_sendmsg+0x50/0x50
[  569.285644][ T8371]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  569.291628][ T8371]  ___sys_sendmsg+0x135/0x1d0
[  569.296303][ T8371]  ? do_recvmmsg+0x740/0x740
[  569.300887][ T8371]  ? find_held_lock+0x2d/0x110
[  569.305654][ T8371]  ? preempt_count_sub+0x160/0x160
[  569.310770][ T8371]  ? __fget_light+0x1fc/0x260
[  569.315440][ T8371]  __sys_sendmsg+0x117/0x1e0
[  569.320027][ T8371]  ? __sys_sendmsg_sock+0x30/0x30
[  569.325048][ T8371]  ? xfd_validate_state+0x5d/0x180
[  569.330172][ T8371]  ? syscall_enter_from_user_mode+0x7f/0x120
[  569.336156][ T8371]  do_syscall_64+0x40/0x110
[  569.340661][ T8371]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  569.346556][ T8371] RIP: 0033:0x7ff3fd6020b9
[  569.350962][ T8371] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  569.370566][ T8371] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  569.378983][ T8371] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  569.386946][ T8371] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  569.394909][ T8371] RBP: 000000000008aacf R08: 0000000000000000 R09: 0000000000000006
[  569.402876][ T8371] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  569.410843][ T8371] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  569.418823][ T8371]  </TASK>
[  569.422090][ T8371] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  569.473315][ T8371] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  569.482518][ T8371] CPU: 0 PID: 8371 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  569.492933][ T8371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  569.502989][ T8371] Call Trace:
[  569.506276][ T8371]  <TASK>
[  569.509211][ T8371]  dump_stack_lvl+0x125/0x1b0
[  569.513883][ T8371]  sysfs_warn_dup+0x7f/0xa0
[  569.518402][ T8371]  sysfs_create_dir_ns+0x249/0x2b0
[  569.523506][ T8371]  ? sysfs_create_mount_point+0xb0/0xb0
[  569.529042][ T8371]  ? spin_bug+0x1d0/0x1d0
[  569.533379][ T8371]  ? net_namespace+0x12/0x40
[  569.537954][ T8371]  ? device_namespace+0x8d/0xc0
[  569.542804][ T8371]  kobject_add_internal+0x2c8/0x970
[  569.548040][ T8371]  kobject_add+0x16f/0x240
[  569.552476][ T8371]  ? kset_create_and_add+0x190/0x190
[  569.557760][ T8371]  ? do_raw_spin_unlock+0x173/0x230
[  569.562954][ T8371]  ? kobject_put+0xbe/0x440
[  569.567472][ T8371]  ? device_add+0xc35/0x1aa0
[  569.572063][ T8371]  device_add+0x289/0x1aa0
[  569.576481][ T8371]  ? device_initialize+0x510/0x510
[  569.581602][ T8371]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  569.588463][ T8371]  ? __init_waitqueue_head+0xca/0x150
[  569.593838][ T8371]  netdev_register_kobject+0x183/0x3f0
[  569.599306][ T8371]  register_netdevice+0xbe6/0x14b0
[  569.604419][ T8371]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  569.610309][ T8371]  ? validate_linkmsg+0x6fc/0x9c0
[  569.615332][ T8371]  br_dev_newlink+0x27/0x110
[  569.619927][ T8371]  ? br_changelink+0x1760/0x1760
[  569.624952][ T8371]  __rtnl_newlink+0x1173/0x1930
[  569.629810][ T8371]  ? rtnl_link_unregister+0x260/0x260
[  569.635196][ T8371]  rtnl_newlink+0x67/0xa0
[  569.639521][ T8371]  ? __rtnl_newlink+0x1930/0x1930
[  569.644540][ T8371]  rtnetlink_rcv_msg+0x3c7/0xe00
[  569.649477][ T8371]  ? rtnl_fill_vf+0x4a0/0x4a0
[  569.654149][ T8371]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  569.660143][ T8371]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  569.666125][ T8371]  netlink_rcv_skb+0x16b/0x440
[  569.670887][ T8371]  ? rtnl_fill_vf+0x4a0/0x4a0
[  569.675556][ T8371]  ? netlink_ack+0x1380/0x1380
[  569.680344][ T8371]  ? lock_sync+0x190/0x190
[  569.684793][ T8371]  ? netlink_deliver_tap+0x1a0/0xd00
[  569.690088][ T8371]  ? _copy_from_iter+0x2c1/0x10f0
[  569.695121][ T8371]  netlink_unicast+0x53b/0x810
[  569.699894][ T8371]  ? netlink_attachskb+0x880/0x880
[  569.705003][ T8371]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  569.710896][ T8371]  ? __phys_addr_symbol+0x30/0x70
[  569.715916][ T8371]  ? __check_object_size+0x323/0x730
[  569.721195][ T8371]  netlink_sendmsg+0x93c/0xe40
[  569.725962][ T8371]  ? netlink_unicast+0x810/0x810
[  569.730908][ T8371]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  569.736201][ T8371]  ? netlink_unicast+0x810/0x810
[  569.741513][ T8371]  __sock_sendmsg+0xd5/0x180
[  569.746109][ T8371]  ____sys_sendmsg+0x6ac/0x940
[  569.750881][ T8371]  ? copy_msghdr_from_user+0x10b/0x160
[  569.756338][ T8371]  ? kernel_sendmsg+0x50/0x50
[  569.761011][ T8371]  ? hlock_class+0x4e/0x130
[  569.765515][ T8371]  ? __lock_acquire+0x14e0/0x3b10
[  569.770548][ T8371]  ___sys_sendmsg+0x135/0x1d0
[  569.775226][ T8371]  ? do_recvmmsg+0x740/0x740
[  569.779829][ T8371]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  569.785812][ T8371]  ? find_held_lock+0x2d/0x110
[  569.790625][ T8371]  ? __fget_light+0x1fc/0x260
[  569.795316][ T8371]  __sys_sendmsg+0x117/0x1e0
[  569.799906][ T8371]  ? __sys_sendmsg_sock+0x30/0x30
[  569.805005][ T8371]  ? __do_sys_rseq+0x750/0x750
[  569.809777][ T8371]  ? syscall_enter_from_user_mode+0x7f/0x120
[  569.815757][ T8371]  do_syscall_64+0x40/0x110
[  569.820272][ T8371]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  569.826166][ T8371] RIP: 0033:0x7ff3fd6020b9
[  569.830584][ T8371] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  569.850187][ T8371] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  569.858604][ T8371] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  569.866610][ T8371] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  569.874604][ T8371] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  569.882565][ T8371] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  569.890530][ T8371] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  569.898501][ T8371]  </TASK>
[  569.902067][ T8371] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  569.969242][ T8372] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  569.979537][ T8372] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  569.988709][ T8372] CPU: 0 PID: 8372 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  569.999307][ T8372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  570.009346][ T8372] Call Trace:
[  570.012721][ T8372]  <TASK>
[  570.015659][ T8372]  dump_stack_lvl+0x125/0x1b0
[  570.020328][ T8372]  sysfs_warn_dup+0x7f/0xa0
[  570.024832][ T8372]  sysfs_create_dir_ns+0x249/0x2b0
[  570.029942][ T8372]  ? sysfs_create_mount_point+0xb0/0xb0
[  570.035483][ T8372]  ? spin_bug+0x1d0/0x1d0
[  570.039804][ T8372]  ? net_namespace+0x12/0x40
[  570.044384][ T8372]  ? device_namespace+0x8d/0xc0
[  570.049234][ T8372]  kobject_add_internal+0x2c8/0x970
[  570.054484][ T8372]  kobject_add+0x16f/0x240
[  570.058898][ T8372]  ? kset_create_and_add+0x190/0x190
[  570.064177][ T8372]  ? do_raw_spin_unlock+0x173/0x230
[  570.069361][ T8372]  ? kobject_put+0xbe/0x440
[  570.073859][ T8372]  ? device_add+0xc35/0x1aa0
[  570.078446][ T8372]  device_add+0x289/0x1aa0
[  570.082861][ T8372]  ? device_initialize+0x510/0x510
[  570.087960][ T8372]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  570.094810][ T8372]  ? __init_waitqueue_head+0xca/0x150
[  570.100272][ T8372]  netdev_register_kobject+0x183/0x3f0
[  570.105737][ T8372]  register_netdevice+0xbe6/0x14b0
[  570.110849][ T8372]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  570.116741][ T8372]  ? validate_linkmsg+0x6fc/0x9c0
[  570.121763][ T8372]  br_dev_newlink+0x27/0x110
[  570.126348][ T8372]  ? br_changelink+0x1760/0x1760
[  570.131276][ T8372]  __rtnl_newlink+0x1173/0x1930
[  570.136165][ T8372]  ? rtnl_link_unregister+0x260/0x260
[  570.141570][ T8372]  rtnl_newlink+0x67/0xa0
[  570.145896][ T8372]  ? __rtnl_newlink+0x1930/0x1930
[  570.150913][ T8372]  rtnetlink_rcv_msg+0x3c7/0xe00
[  570.155848][ T8372]  ? rtnl_fill_vf+0x4a0/0x4a0
[  570.160518][ T8372]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  570.166498][ T8372]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  570.172502][ T8372]  netlink_rcv_skb+0x16b/0x440
[  570.177297][ T8372]  ? rtnl_fill_vf+0x4a0/0x4a0
[  570.181981][ T8372]  ? netlink_ack+0x1380/0x1380
[  570.186872][ T8372]  ? lock_sync+0x190/0x190
[  570.191316][ T8372]  ? netlink_deliver_tap+0x1a0/0xd00
[  570.196627][ T8372]  ? _copy_from_iter+0x2c1/0x10f0
[  570.201680][ T8372]  netlink_unicast+0x53b/0x810
[  570.206492][ T8372]  ? netlink_attachskb+0x880/0x880
[  570.211724][ T8372]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  570.217618][ T8372]  ? __phys_addr_symbol+0x30/0x70
[  570.222670][ T8372]  ? __check_object_size+0x323/0x730
[  570.227960][ T8372]  netlink_sendmsg+0x93c/0xe40
[  570.232741][ T8372]  ? netlink_unicast+0x810/0x810
[  570.237682][ T8372]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  570.242970][ T8372]  ? netlink_unicast+0x810/0x810
[  570.247927][ T8372]  __sock_sendmsg+0xd5/0x180
[  570.252603][ T8372]  ____sys_sendmsg+0x6ac/0x940
[  570.257360][ T8372]  ? copy_msghdr_from_user+0x10b/0x160
[  570.262813][ T8372]  ? kernel_sendmsg+0x50/0x50
[  570.267493][ T8372]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  570.273479][ T8372]  ___sys_sendmsg+0x135/0x1d0
[  570.278158][ T8372]  ? do_recvmmsg+0x740/0x740
[  570.282745][ T8372]  ? find_held_lock+0x2d/0x110
[  570.287511][ T8372]  ? preempt_count_sub+0x160/0x160
[  570.292624][ T8372]  ? __fget_light+0x1fc/0x260
[  570.297294][ T8372]  __sys_sendmsg+0x117/0x1e0
[  570.301886][ T8372]  ? __sys_sendmsg_sock+0x30/0x30
[  570.306911][ T8372]  ? xfd_validate_state+0x5d/0x180
[  570.312051][ T8372]  ? syscall_enter_from_user_mode+0x7f/0x120
[  570.318032][ T8372]  do_syscall_64+0x40/0x110
[  570.322535][ T8372]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  570.328429][ T8372] RIP: 0033:0x7ff3fd6020b9
[  570.332834][ T8372] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  570.352437][ T8372] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  570.360843][ T8372] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  570.368804][ T8372] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  570.376764][ T8372] RBP: 000000000008ae85 R08: 0000000000000000 R09: 0000000000000006
[  570.384729][ T8372] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  570.392692][ T8372] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  570.400672][ T8372]  </TASK>
[  570.404120][ T8372] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  570.453411][ T8372] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  570.462659][ T8372] CPU: 1 PID: 8372 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  570.473074][ T8372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  570.483126][ T8372] Call Trace:
[  570.486387][ T8372]  <TASK>
[  570.489296][ T8372]  dump_stack_lvl+0x125/0x1b0
[  570.493959][ T8372]  sysfs_warn_dup+0x7f/0xa0
[  570.498446][ T8372]  sysfs_create_dir_ns+0x249/0x2b0
[  570.503540][ T8372]  ? sysfs_create_mount_point+0xb0/0xb0
[  570.509067][ T8372]  ? spin_bug+0x1d0/0x1d0
[  570.513409][ T8372]  ? net_namespace+0x12/0x40
[  570.517979][ T8372]  ? device_namespace+0x8d/0xc0
[  570.522816][ T8372]  kobject_add_internal+0x2c8/0x970
[  570.528000][ T8372]  kobject_add+0x16f/0x240
[  570.532397][ T8372]  ? kset_create_and_add+0x190/0x190
[  570.537660][ T8372]  ? do_raw_spin_unlock+0x173/0x230
[  570.542840][ T8372]  ? kobject_put+0xbe/0x440
[  570.547325][ T8372]  ? device_add+0xc35/0x1aa0
[  570.551893][ T8372]  device_add+0x289/0x1aa0
[  570.556293][ T8372]  ? device_initialize+0x510/0x510
[  570.561386][ T8372]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  570.568249][ T8372]  ? __init_waitqueue_head+0xca/0x150
[  570.573606][ T8372]  netdev_register_kobject+0x183/0x3f0
[  570.579054][ T8372]  register_netdevice+0xbe6/0x14b0
[  570.584158][ T8372]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  570.590040][ T8372]  ? validate_linkmsg+0x6fc/0x9c0
[  570.595057][ T8372]  br_dev_newlink+0x27/0x110
[  570.599632][ T8372]  ? br_changelink+0x1760/0x1760
[  570.604554][ T8372]  __rtnl_newlink+0x1173/0x1930
[  570.609399][ T8372]  ? rtnl_link_unregister+0x260/0x260
[  570.614769][ T8372]  rtnl_newlink+0x67/0xa0
[  570.619083][ T8372]  ? __rtnl_newlink+0x1930/0x1930
[  570.624093][ T8372]  rtnetlink_rcv_msg+0x3c7/0xe00
[  570.629019][ T8372]  ? rtnl_fill_vf+0x4a0/0x4a0
[  570.633682][ T8372]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  570.639654][ T8372]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  570.645638][ T8372]  netlink_rcv_skb+0x16b/0x440
[  570.650402][ T8372]  ? rtnl_fill_vf+0x4a0/0x4a0
[  570.655070][ T8372]  ? netlink_ack+0x1380/0x1380
[  570.659830][ T8372]  ? lock_sync+0x190/0x190
[  570.664253][ T8372]  ? netlink_deliver_tap+0x1a0/0xd00
[  570.669529][ T8372]  ? _copy_from_iter+0x2c1/0x10f0
[  570.675325][ T8372]  netlink_unicast+0x53b/0x810
[  570.680083][ T8372]  ? netlink_attachskb+0x880/0x880
[  570.685185][ T8372]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  570.691066][ T8372]  ? __phys_addr_symbol+0x30/0x70
[  570.696072][ T8372]  ? __check_object_size+0x323/0x730
[  570.701368][ T8372]  netlink_sendmsg+0x93c/0xe40
[  570.706124][ T8372]  ? netlink_unicast+0x810/0x810
[  570.711053][ T8372]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  570.716321][ T8372]  ? netlink_unicast+0x810/0x810
[  570.721247][ T8372]  __sock_sendmsg+0xd5/0x180
[  570.725827][ T8372]  ____sys_sendmsg+0x6ac/0x940
[  570.730580][ T8372]  ? copy_msghdr_from_user+0x10b/0x160
[  570.736028][ T8372]  ? kernel_sendmsg+0x50/0x50
[  570.740728][ T8372]  ? hlock_class+0x4e/0x130
[  570.745323][ T8372]  ? __lock_acquire+0x14e0/0x3b10
[  570.750334][ T8372]  ___sys_sendmsg+0x135/0x1d0
[  570.754996][ T8372]  ? do_recvmmsg+0x740/0x740
[  570.759566][ T8372]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  570.765625][ T8372]  ? find_held_lock+0x2d/0x110
[  570.770394][ T8372]  ? __fget_light+0x1fc/0x260
[  570.775076][ T8372]  __sys_sendmsg+0x117/0x1e0
[  570.779654][ T8372]  ? __sys_sendmsg_sock+0x30/0x30
[  570.784665][ T8372]  ? xfd_validate_state+0x5d/0x180
[  570.789770][ T8372]  ? syscall_enter_from_user_mode+0x7f/0x120
[  570.795755][ T8372]  do_syscall_64+0x40/0x110
[  570.800245][ T8372]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  570.806150][ T8372] RIP: 0033:0x7ff3fd6020b9
[  570.810550][ T8372] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  570.830146][ T8372] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  570.838549][ T8372] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  570.846506][ T8372] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  570.854478][ T8372] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  570.862434][ T8372] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  570.870412][ T8372] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  570.878373][ T8372]  </TASK>
[  570.884018][ T8372] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  570.947862][ T8373] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  570.958081][ T8373] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  570.967286][ T8373] CPU: 0 PID: 8373 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  570.977748][ T8373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  570.987800][ T8373] Call Trace:
[  570.991087][ T8373]  <TASK>
[  570.994025][ T8373]  dump_stack_lvl+0x125/0x1b0
[  570.998704][ T8373]  sysfs_warn_dup+0x7f/0xa0
[  571.003213][ T8373]  sysfs_create_dir_ns+0x249/0x2b0
[  571.008327][ T8373]  ? sysfs_create_mount_point+0xb0/0xb0
[  571.013878][ T8373]  ? spin_bug+0x1d0/0x1d0
[  571.018201][ T8373]  ? net_namespace+0x12/0x40
[  571.022791][ T8373]  ? device_namespace+0x8d/0xc0
[  571.027643][ T8373]  kobject_add_internal+0x2c8/0x970
[  571.032850][ T8373]  kobject_add+0x16f/0x240
[  571.037264][ T8373]  ? kset_create_and_add+0x190/0x190
[  571.042546][ T8373]  ? do_raw_spin_unlock+0x173/0x230
[  571.047738][ T8373]  ? kobject_put+0xbe/0x440
[  571.052237][ T8373]  ? device_add+0xc35/0x1aa0
[  571.056824][ T8373]  device_add+0x289/0x1aa0
[  571.061237][ T8373]  ? device_initialize+0x510/0x510
[  571.066339][ T8373]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  571.073188][ T8373]  ? __init_waitqueue_head+0xca/0x150
[  571.078582][ T8373]  netdev_register_kobject+0x183/0x3f0
[  571.084055][ T8373]  register_netdevice+0xbe6/0x14b0
[  571.089174][ T8373]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  571.095068][ T8373]  ? validate_linkmsg+0x6fc/0x9c0
[  571.100090][ T8373]  br_dev_newlink+0x27/0x110
[  571.104685][ T8373]  ? br_changelink+0x1760/0x1760
[  571.109622][ T8373]  __rtnl_newlink+0x1173/0x1930
[  571.114484][ T8373]  ? rtnl_link_unregister+0x260/0x260
[  571.119874][ T8373]  rtnl_newlink+0x67/0xa0
[  571.124204][ T8373]  ? __rtnl_newlink+0x1930/0x1930
[  571.129227][ T8373]  rtnetlink_rcv_msg+0x3c7/0xe00
[  571.134164][ T8373]  ? rtnl_fill_vf+0x4a0/0x4a0
[  571.138846][ T8373]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  571.144834][ T8373]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  571.150826][ T8373]  netlink_rcv_skb+0x16b/0x440
[  571.155593][ T8373]  ? rtnl_fill_vf+0x4a0/0x4a0
[  571.160266][ T8373]  ? netlink_ack+0x1380/0x1380
[  571.165031][ T8373]  ? lock_sync+0x190/0x190
[  571.169458][ T8373]  ? netlink_deliver_tap+0x1a0/0xd00
[  571.174747][ T8373]  ? _copy_from_iter+0x2c1/0x10f0
[  571.179776][ T8373]  netlink_unicast+0x53b/0x810
[  571.184551][ T8373]  ? netlink_attachskb+0x880/0x880
[  571.189659][ T8373]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  571.195552][ T8373]  ? __phys_addr_symbol+0x30/0x70
[  571.200576][ T8373]  ? __check_object_size+0x323/0x730
[  571.205869][ T8373]  netlink_sendmsg+0x93c/0xe40
[  571.210649][ T8373]  ? netlink_unicast+0x810/0x810
[  571.215595][ T8373]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  571.220879][ T8373]  ? netlink_unicast+0x810/0x810
[  571.225815][ T8373]  __sock_sendmsg+0xd5/0x180
[  571.230405][ T8373]  ____sys_sendmsg+0x6ac/0x940
[  571.235171][ T8373]  ? copy_msghdr_from_user+0x10b/0x160
[  571.240675][ T8373]  ? kernel_sendmsg+0x50/0x50
[  571.245382][ T8373]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  571.251371][ T8373]  ___sys_sendmsg+0x135/0x1d0
[  571.256054][ T8373]  ? do_recvmmsg+0x740/0x740
[  571.260730][ T8373]  ? find_held_lock+0x2d/0x110
[  571.265501][ T8373]  ? preempt_count_sub+0x160/0x160
[  571.270733][ T8373]  ? __fget_light+0x1fc/0x260
[  571.275490][ T8373]  __sys_sendmsg+0x117/0x1e0
[  571.280101][ T8373]  ? __sys_sendmsg_sock+0x30/0x30
[  571.285136][ T8373]  ? xfd_validate_state+0x5d/0x180
[  571.290263][ T8373]  ? syscall_enter_from_user_mode+0x7f/0x120
[  571.296251][ T8373]  do_syscall_64+0x40/0x110
[  571.300754][ T8373]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  571.306652][ T8373] RIP: 0033:0x7ff3fd6020b9
[  571.311057][ T8373] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  571.330662][ T8373] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  571.339071][ T8373] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  571.347036][ T8373] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  571.355000][ T8373] RBP: 000000000008b25a R08: 0000000000000000 R09: 0000000000000006
[  571.362973][ T8373] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  571.370958][ T8373] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  571.378931][ T8373]  </TASK>
[  571.382110][ T8373] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  571.434668][ T8373] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  571.443930][ T8373] CPU: 1 PID: 8373 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  571.454456][ T8373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  571.464518][ T8373] Call Trace:
[  571.467790][ T8373]  <TASK>
[  571.470712][ T8373]  dump_stack_lvl+0x125/0x1b0
[  571.475380][ T8373]  sysfs_warn_dup+0x7f/0xa0
[  571.479868][ T8373]  sysfs_create_dir_ns+0x249/0x2b0
[  571.484963][ T8373]  ? sysfs_create_mount_point+0xb0/0xb0
[  571.490494][ T8373]  ? spin_bug+0x1d0/0x1d0
[  571.494807][ T8373]  ? net_namespace+0x12/0x40
[  571.499379][ T8373]  ? device_namespace+0x8d/0xc0
[  571.504220][ T8373]  kobject_add_internal+0x2c8/0x970
[  571.509426][ T8373]  kobject_add+0x16f/0x240
[  571.513835][ T8373]  ? kset_create_and_add+0x190/0x190
[  571.519122][ T8373]  ? do_raw_spin_unlock+0x173/0x230
[  571.524305][ T8373]  ? kobject_put+0xbe/0x440
[  571.528793][ T8373]  ? device_add+0xc35/0x1aa0
[  571.533370][ T8373]  device_add+0x289/0x1aa0
[  571.537770][ T8373]  ? device_initialize+0x510/0x510
[  571.542863][ T8373]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  571.549698][ T8373]  ? __init_waitqueue_head+0xca/0x150
[  571.555060][ T8373]  netdev_register_kobject+0x183/0x3f0
[  571.560511][ T8373]  register_netdevice+0xbe6/0x14b0
[  571.565614][ T8373]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  571.573430][ T8373]  ? validate_linkmsg+0x6fc/0x9c0
[  571.578449][ T8373]  br_dev_newlink+0x27/0x110
[  571.583026][ T8373]  ? br_changelink+0x1760/0x1760
[  571.587947][ T8373]  __rtnl_newlink+0x1173/0x1930
[  571.592881][ T8373]  ? rtnl_link_unregister+0x260/0x260
[  571.598254][ T8373]  rtnl_newlink+0x67/0xa0
[  571.602607][ T8373]  ? __rtnl_newlink+0x1930/0x1930
[  571.607615][ T8373]  rtnetlink_rcv_msg+0x3c7/0xe00
[  571.612544][ T8373]  ? rtnl_fill_vf+0x4a0/0x4a0
[  571.617209][ T8373]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  571.623207][ T8373]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  571.629211][ T8373]  netlink_rcv_skb+0x16b/0x440
[  571.633972][ T8373]  ? rtnl_fill_vf+0x4a0/0x4a0
[  571.638663][ T8373]  ? netlink_ack+0x1380/0x1380
[  571.643434][ T8373]  ? lock_sync+0x190/0x190
[  571.647872][ T8373]  ? netlink_deliver_tap+0x1a0/0xd00
[  571.653164][ T8373]  ? _copy_from_iter+0x2c1/0x10f0
[  571.658269][ T8373]  netlink_unicast+0x53b/0x810
[  571.663030][ T8373]  ? netlink_attachskb+0x880/0x880
[  571.668132][ T8373]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  571.674010][ T8373]  ? __phys_addr_symbol+0x30/0x70
[  571.679021][ T8373]  ? __check_object_size+0x323/0x730
[  571.684306][ T8373]  netlink_sendmsg+0x93c/0xe40
[  571.689073][ T8373]  ? netlink_unicast+0x810/0x810
[  571.694002][ T8373]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  571.699272][ T8373]  ? netlink_unicast+0x810/0x810
[  571.704293][ T8373]  __sock_sendmsg+0xd5/0x180
[  571.708870][ T8373]  ____sys_sendmsg+0x6ac/0x940
[  571.713628][ T8373]  ? copy_msghdr_from_user+0x10b/0x160
[  571.719073][ T8373]  ? kernel_sendmsg+0x50/0x50
[  571.723747][ T8373]  ___sys_sendmsg+0x135/0x1d0
[  571.728414][ T8373]  ? do_recvmmsg+0x740/0x740
[  571.732994][ T8373]  ? find_held_lock+0x2d/0x110
[  571.737749][ T8373]  ? preempt_count_sub+0x160/0x160
[  571.742857][ T8373]  ? __fget_light+0x1fc/0x260
[  571.747532][ T8373]  __sys_sendmsg+0x117/0x1e0
[  571.752135][ T8373]  ? __sys_sendmsg_sock+0x30/0x30
[  571.757166][ T8373]  ? syscall_enter_from_user_mode+0x7f/0x120
[  571.763138][ T8373]  do_syscall_64+0x40/0x110
[  571.767631][ T8373]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  571.773513][ T8373] RIP: 0033:0x7ff3fd6020b9
[  571.777909][ T8373] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  571.797518][ T8373] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  571.805923][ T8373] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  571.813894][ T8373] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  571.821858][ T8373] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  571.829808][ T8373] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  571.837766][ T8373] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  571.845734][ T8373]  </TASK>
[  571.849061][ T8373] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  571.917746][ T8374] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  571.927909][ T8374] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  571.937250][ T8374] CPU: 0 PID: 8374 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  571.947671][ T8374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  571.957711][ T8374] Call Trace:
[  571.960980][ T8374]  <TASK>
[  571.963902][ T8374]  dump_stack_lvl+0x125/0x1b0
[  571.968756][ T8374]  sysfs_warn_dup+0x7f/0xa0
[  571.973246][ T8374]  sysfs_create_dir_ns+0x249/0x2b0
[  571.978355][ T8374]  ? sysfs_create_mount_point+0xb0/0xb0
[  571.983895][ T8374]  ? spin_bug+0x1d0/0x1d0
[  571.988223][ T8374]  ? net_namespace+0x12/0x40
[  571.992837][ T8374]  ? device_namespace+0x8d/0xc0
[  571.997700][ T8374]  kobject_add_internal+0x2c8/0x970
[  572.002893][ T8374]  kobject_add+0x16f/0x240
[  572.007300][ T8374]  ? kset_create_and_add+0x190/0x190
[  572.012575][ T8374]  ? do_raw_spin_unlock+0x173/0x230
[  572.017761][ T8374]  ? kobject_put+0xbe/0x440
[  572.022251][ T8374]  ? device_add+0xc35/0x1aa0
[  572.026827][ T8374]  device_add+0x289/0x1aa0
[  572.031230][ T8374]  ? device_initialize+0x510/0x510
[  572.036325][ T8374]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  572.043159][ T8374]  ? __init_waitqueue_head+0xca/0x150
[  572.048523][ T8374]  netdev_register_kobject+0x183/0x3f0
[  572.053975][ T8374]  register_netdevice+0xbe6/0x14b0
[  572.059080][ T8374]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  572.064971][ T8374]  ? validate_linkmsg+0x6fc/0x9c0
[  572.069984][ T8374]  br_dev_newlink+0x27/0x110
[  572.074590][ T8374]  ? br_changelink+0x1760/0x1760
[  572.079516][ T8374]  __rtnl_newlink+0x1173/0x1930
[  572.084362][ T8374]  ? rtnl_link_unregister+0x260/0x260
[  572.089735][ T8374]  rtnl_newlink+0x67/0xa0
[  572.094052][ T8374]  ? __rtnl_newlink+0x1930/0x1930
[  572.099062][ T8374]  rtnetlink_rcv_msg+0x3c7/0xe00
[  572.103990][ T8374]  ? rtnl_fill_vf+0x4a0/0x4a0
[  572.108657][ T8374]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  572.114628][ T8374]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  572.120610][ T8374]  netlink_rcv_skb+0x16b/0x440
[  572.125382][ T8374]  ? rtnl_fill_vf+0x4a0/0x4a0
[  572.130063][ T8374]  ? netlink_ack+0x1380/0x1380
[  572.134837][ T8374]  ? lock_sync+0x190/0x190
[  572.139275][ T8374]  ? netlink_deliver_tap+0x1a0/0xd00
[  572.144552][ T8374]  ? _copy_from_iter+0x2c1/0x10f0
[  572.149577][ T8374]  netlink_unicast+0x53b/0x810
[  572.154331][ T8374]  ? netlink_attachskb+0x880/0x880
[  572.159439][ T8374]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  572.165344][ T8374]  ? __phys_addr_symbol+0x30/0x70
[  572.170355][ T8374]  ? __check_object_size+0x323/0x730
[  572.175627][ T8374]  netlink_sendmsg+0x93c/0xe40
[  572.180378][ T8374]  ? netlink_unicast+0x810/0x810
[  572.185307][ T8374]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  572.190583][ T8374]  ? netlink_unicast+0x810/0x810
[  572.195523][ T8374]  __sock_sendmsg+0xd5/0x180
[  572.200104][ T8374]  ____sys_sendmsg+0x6ac/0x940
[  572.204852][ T8374]  ? copy_msghdr_from_user+0x10b/0x160
[  572.210315][ T8374]  ? kernel_sendmsg+0x50/0x50
[  572.214978][ T8374]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  572.220965][ T8374]  ___sys_sendmsg+0x135/0x1d0
[  572.225635][ T8374]  ? do_recvmmsg+0x740/0x740
[  572.230233][ T8374]  ? find_held_lock+0x2d/0x110
[  572.235012][ T8374]  ? preempt_count_sub+0x160/0x160
[  572.240119][ T8374]  ? __fget_light+0x1fc/0x260
[  572.244783][ T8374]  __sys_sendmsg+0x117/0x1e0
[  572.249378][ T8374]  ? __sys_sendmsg_sock+0x30/0x30
[  572.254419][ T8374]  ? xfd_validate_state+0x5d/0x180
[  572.259530][ T8374]  ? syscall_enter_from_user_mode+0x7f/0x120
[  572.265502][ T8374]  do_syscall_64+0x40/0x110
[  572.270016][ T8374]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  572.275901][ T8374] RIP: 0033:0x7ff3fd6020b9
[  572.280304][ T8374] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  572.299906][ T8374] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  572.308306][ T8374] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  572.316283][ T8374] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  572.324262][ T8374] RBP: 000000000008b62d R08: 0000000000000000 R09: 0000000000000006
[  572.332218][ T8374] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  572.340174][ T8374] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  572.348139][ T8374]  </TASK>
[  572.351594][ T8374] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  572.406464][ T8374] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  572.415728][ T8374] CPU: 0 PID: 8374 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  572.426168][ T8374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  572.436233][ T8374] Call Trace:
[  572.439505][ T8374]  <TASK>
[  572.442426][ T8374]  dump_stack_lvl+0x125/0x1b0
[  572.447096][ T8374]  sysfs_warn_dup+0x7f/0xa0
[  572.451628][ T8374]  sysfs_create_dir_ns+0x249/0x2b0
[  572.456751][ T8374]  ? sysfs_create_mount_point+0xb0/0xb0
[  572.462296][ T8374]  ? spin_bug+0x1d0/0x1d0
[  572.466620][ T8374]  ? net_namespace+0x12/0x40
[  572.471222][ T8374]  ? device_namespace+0x8d/0xc0
[  572.476078][ T8374]  kobject_add_internal+0x2c8/0x970
[  572.481276][ T8374]  kobject_add+0x16f/0x240
[  572.485688][ T8374]  ? kset_create_and_add+0x190/0x190
[  572.490976][ T8374]  ? do_raw_spin_unlock+0x173/0x230
[  572.496169][ T8374]  ? kobject_put+0xbe/0x440
[  572.500670][ T8374]  ? device_add+0xc35/0x1aa0
[  572.505256][ T8374]  device_add+0x289/0x1aa0
[  572.509669][ T8374]  ? device_initialize+0x510/0x510
[  572.514773][ T8374]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  572.521622][ T8374]  ? __init_waitqueue_head+0xca/0x150
[  572.526996][ T8374]  netdev_register_kobject+0x183/0x3f0
[  572.532457][ T8374]  register_netdevice+0xbe6/0x14b0
[  572.537568][ T8374]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  572.543460][ T8374]  ? validate_linkmsg+0x6fc/0x9c0
[  572.548480][ T8374]  br_dev_newlink+0x27/0x110
[  572.553241][ T8374]  ? br_changelink+0x1760/0x1760
[  572.558175][ T8374]  __rtnl_newlink+0x1173/0x1930
[  572.563033][ T8374]  ? rtnl_link_unregister+0x260/0x260
[  572.568420][ T8374]  rtnl_newlink+0x67/0xa0
[  572.572750][ T8374]  ? __rtnl_newlink+0x1930/0x1930
[  572.577768][ T8374]  rtnetlink_rcv_msg+0x3c7/0xe00
[  572.582725][ T8374]  ? rtnl_fill_vf+0x4a0/0x4a0
[  572.587398][ T8374]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  572.593377][ T8374]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  572.599360][ T8374]  netlink_rcv_skb+0x16b/0x440
[  572.604121][ T8374]  ? rtnl_fill_vf+0x4a0/0x4a0
[  572.608797][ T8374]  ? netlink_ack+0x1380/0x1380
[  572.613583][ T8374]  ? lock_sync+0x190/0x190
[  572.618007][ T8374]  ? netlink_deliver_tap+0x1a0/0xd00
[  572.623289][ T8374]  ? _copy_from_iter+0x2c1/0x10f0
[  572.628312][ T8374]  netlink_unicast+0x53b/0x810
[  572.633082][ T8374]  ? netlink_attachskb+0x880/0x880
[  572.638188][ T8374]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  572.644076][ T8374]  ? __phys_addr_symbol+0x30/0x70
[  572.649094][ T8374]  ? __check_object_size+0x323/0x730
[  572.654375][ T8374]  netlink_sendmsg+0x93c/0xe40
[  572.659144][ T8374]  ? netlink_unicast+0x810/0x810
[  572.664089][ T8374]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  572.669369][ T8374]  ? netlink_unicast+0x810/0x810
[  572.674306][ T8374]  __sock_sendmsg+0xd5/0x180
[  572.678895][ T8374]  ____sys_sendmsg+0x6ac/0x940
[  572.683656][ T8374]  ? copy_msghdr_from_user+0x10b/0x160
[  572.689113][ T8374]  ? kernel_sendmsg+0x50/0x50
[  572.693814][ T8374]  ? hlock_class+0x4e/0x130
[  572.698315][ T8374]  ? __lock_acquire+0x14e0/0x3b10
[  572.703342][ T8374]  ___sys_sendmsg+0x135/0x1d0
[  572.708021][ T8374]  ? do_recvmmsg+0x740/0x740
[  572.712701][ T8374]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  572.718681][ T8374]  ? find_held_lock+0x2d/0x110
[  572.723462][ T8374]  ? __fget_light+0x1fc/0x260
[  572.728169][ T8374]  __sys_sendmsg+0x117/0x1e0
[  572.732756][ T8374]  ? __sys_sendmsg_sock+0x30/0x30
[  572.737781][ T8374]  ? __do_sys_rseq+0x750/0x750
[  572.742552][ T8374]  ? syscall_enter_from_user_mode+0x7f/0x120
[  572.748534][ T8374]  do_syscall_64+0x40/0x110
[  572.753033][ T8374]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  572.758924][ T8374] RIP: 0033:0x7ff3fd6020b9
[  572.763331][ T8374] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  572.782932][ T8374] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  572.791337][ T8374] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  572.799299][ T8374] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  572.807260][ T8374] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  572.815220][ T8374] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  572.823180][ T8374] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  572.831177][ T8374]  </TASK>
[  572.838252][ T8374] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  572.907759][ T8375] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  572.917851][ T8375] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  572.927019][ T8375] CPU: 1 PID: 8375 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  572.937696][ T8375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  572.947740][ T8375] Call Trace:
[  572.951018][ T8375]  <TASK>
[  572.953944][ T8375]  dump_stack_lvl+0x125/0x1b0
[  572.958628][ T8375]  sysfs_warn_dup+0x7f/0xa0
[  572.963139][ T8375]  sysfs_create_dir_ns+0x249/0x2b0
[  572.968240][ T8375]  ? sysfs_create_mount_point+0xb0/0xb0
[  572.973789][ T8375]  ? spin_bug+0x1d0/0x1d0
[  572.978106][ T8375]  ? net_namespace+0x12/0x40
[  572.982702][ T8375]  ? device_namespace+0x8d/0xc0
[  572.987544][ T8375]  kobject_add_internal+0x2c8/0x970
[  572.992828][ T8375]  kobject_add+0x16f/0x240
[  572.997241][ T8375]  ? kset_create_and_add+0x190/0x190
[  573.002515][ T8375]  ? do_raw_spin_unlock+0x173/0x230
[  573.007702][ T8375]  ? kobject_put+0xbe/0x440
[  573.012192][ T8375]  ? device_add+0xc35/0x1aa0
[  573.016785][ T8375]  device_add+0x289/0x1aa0
[  573.021212][ T8375]  ? device_initialize+0x510/0x510
[  573.026320][ T8375]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  573.033166][ T8375]  ? __init_waitqueue_head+0xca/0x150
[  573.038541][ T8375]  netdev_register_kobject+0x183/0x3f0
[  573.043997][ T8375]  register_netdevice+0xbe6/0x14b0
[  573.049103][ T8375]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  573.054998][ T8375]  ? validate_linkmsg+0x6fc/0x9c0
[  573.060024][ T8375]  br_dev_newlink+0x27/0x110
[  573.064657][ T8375]  ? br_changelink+0x1760/0x1760
[  573.069710][ T8375]  __rtnl_newlink+0x1173/0x1930
[  573.074589][ T8375]  ? rtnl_link_unregister+0x260/0x260
[  573.079975][ T8375]  rtnl_newlink+0x67/0xa0
[  573.084296][ T8375]  ? __rtnl_newlink+0x1930/0x1930
[  573.089310][ T8375]  rtnetlink_rcv_msg+0x3c7/0xe00
[  573.094239][ T8375]  ? rtnl_fill_vf+0x4a0/0x4a0
[  573.098915][ T8375]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  573.104921][ T8375]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  573.110895][ T8375]  netlink_rcv_skb+0x16b/0x440
[  573.115652][ T8375]  ? rtnl_fill_vf+0x4a0/0x4a0
[  573.120334][ T8375]  ? netlink_ack+0x1380/0x1380
[  573.125087][ T8375]  ? lock_sync+0x190/0x190
[  573.129536][ T8375]  ? netlink_deliver_tap+0x1a0/0xd00
[  573.134841][ T8375]  ? _copy_from_iter+0x2c1/0x10f0
[  573.139868][ T8375]  netlink_unicast+0x53b/0x810
[  573.144634][ T8375]  ? netlink_attachskb+0x880/0x880
[  573.149760][ T8375]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  573.155669][ T8375]  ? __phys_addr_symbol+0x30/0x70
[  573.160686][ T8375]  ? __check_object_size+0x323/0x730
[  573.165960][ T8375]  netlink_sendmsg+0x93c/0xe40
[  573.170723][ T8375]  ? netlink_unicast+0x810/0x810
[  573.175656][ T8375]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  573.181188][ T8375]  ? netlink_unicast+0x810/0x810
[  573.186115][ T8375]  __sock_sendmsg+0xd5/0x180
[  573.190784][ T8375]  ____sys_sendmsg+0x6ac/0x940
[  573.195549][ T8375]  ? copy_msghdr_from_user+0x10b/0x160
[  573.201006][ T8375]  ? kernel_sendmsg+0x50/0x50
[  573.205698][ T8375]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  573.211671][ T8375]  ___sys_sendmsg+0x135/0x1d0
[  573.216339][ T8375]  ? do_recvmmsg+0x740/0x740
[  573.220924][ T8375]  ? find_held_lock+0x2d/0x110
[  573.225774][ T8375]  ? preempt_count_sub+0x160/0x160
[  573.230875][ T8375]  ? __fget_light+0x1fc/0x260
[  573.235571][ T8375]  __sys_sendmsg+0x117/0x1e0
[  573.240196][ T8375]  ? __sys_sendmsg_sock+0x30/0x30
[  573.245224][ T8375]  ? xfd_validate_state+0x5d/0x180
[  573.250350][ T8375]  ? syscall_enter_from_user_mode+0x7f/0x120
[  573.256335][ T8375]  do_syscall_64+0x40/0x110
[  573.260841][ T8375]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  573.266781][ T8375] RIP: 0033:0x7ff3fd6020b9
[  573.271223][ T8375] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  573.290847][ T8375] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  573.299772][ T8375] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  573.307769][ T8375] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  573.315748][ T8375] RBP: 000000000008b9f7 R08: 0000000000000000 R09: 0000000000000006
[  573.323716][ T8375] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  573.331679][ T8375] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  573.339675][ T8375]  </TASK>
[  573.344175][ T8375] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  573.393356][ T8375] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  573.402644][ T8375] CPU: 0 PID: 8375 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  573.413061][ T8375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  573.423810][ T8375] Call Trace:
[  573.427103][ T8375]  <TASK>
[  573.430019][ T8375]  dump_stack_lvl+0x125/0x1b0
[  573.434690][ T8375]  sysfs_warn_dup+0x7f/0xa0
[  573.439196][ T8375]  sysfs_create_dir_ns+0x249/0x2b0
[  573.444317][ T8375]  ? sysfs_create_mount_point+0xb0/0xb0
[  573.449865][ T8375]  ? spin_bug+0x1d0/0x1d0
[  573.454183][ T8375]  ? net_namespace+0x12/0x40
[  573.458759][ T8375]  ? device_namespace+0x8d/0xc0
[  573.463597][ T8375]  kobject_add_internal+0x2c8/0x970
[  573.468785][ T8375]  kobject_add+0x16f/0x240
[  573.473187][ T8375]  ? kset_create_and_add+0x190/0x190
[  573.478455][ T8375]  ? do_raw_spin_unlock+0x173/0x230
[  573.483635][ T8375]  ? kobject_put+0xbe/0x440
[  573.488122][ T8375]  ? device_add+0xc35/0x1aa0
[  573.492702][ T8375]  device_add+0x289/0x1aa0
[  573.497113][ T8375]  ? device_initialize+0x510/0x510
[  573.502208][ T8375]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  573.509037][ T8375]  ? __init_waitqueue_head+0xca/0x150
[  573.514394][ T8375]  netdev_register_kobject+0x183/0x3f0
[  573.519852][ T8375]  register_netdevice+0xbe6/0x14b0
[  573.524949][ T8375]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  573.530825][ T8375]  ? validate_linkmsg+0x6fc/0x9c0
[  573.535832][ T8375]  br_dev_newlink+0x27/0x110
[  573.540403][ T8375]  ? br_changelink+0x1760/0x1760
[  573.545321][ T8375]  __rtnl_newlink+0x1173/0x1930
[  573.550185][ T8375]  ? rtnl_link_unregister+0x260/0x260
[  573.555585][ T8375]  rtnl_newlink+0x67/0xa0
[  573.559905][ T8375]  ? __rtnl_newlink+0x1930/0x1930
[  573.565005][ T8375]  rtnetlink_rcv_msg+0x3c7/0xe00
[  573.569953][ T8375]  ? rtnl_fill_vf+0x4a0/0x4a0
[  573.574623][ T8375]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  573.580598][ T8375]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  573.586590][ T8375]  netlink_rcv_skb+0x16b/0x440
[  573.591347][ T8375]  ? rtnl_fill_vf+0x4a0/0x4a0
[  573.596006][ T8375]  ? netlink_ack+0x1380/0x1380
[  573.600766][ T8375]  ? lock_sync+0x190/0x190
[  573.605198][ T8375]  ? netlink_deliver_tap+0x1a0/0xd00
[  573.610469][ T8375]  ? _copy_from_iter+0x2c1/0x10f0
[  573.615488][ T8375]  netlink_unicast+0x53b/0x810
[  573.620240][ T8375]  ? netlink_attachskb+0x880/0x880
[  573.625341][ T8375]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  573.631339][ T8375]  ? __phys_addr_symbol+0x30/0x70
[  573.636351][ T8375]  ? __check_object_size+0x323/0x730
[  573.641625][ T8375]  netlink_sendmsg+0x93c/0xe40
[  573.646391][ T8375]  ? netlink_unicast+0x810/0x810
[  573.651351][ T8375]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  573.656624][ T8375]  ? netlink_unicast+0x810/0x810
[  573.661557][ T8375]  __sock_sendmsg+0xd5/0x180
[  573.666134][ T8375]  ____sys_sendmsg+0x6ac/0x940
[  573.670889][ T8375]  ? copy_msghdr_from_user+0x10b/0x160
[  573.676336][ T8375]  ? kernel_sendmsg+0x50/0x50
[  573.680998][ T8375]  ? hlock_class+0x4e/0x130
[  573.685487][ T8375]  ? __lock_acquire+0x14e0/0x3b10
[  573.690499][ T8375]  ___sys_sendmsg+0x135/0x1d0
[  573.695165][ T8375]  ? do_recvmmsg+0x740/0x740
[  573.699737][ T8375]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  573.705709][ T8375]  ? find_held_lock+0x2d/0x110
[  573.710490][ T8375]  ? __fget_light+0x1fc/0x260
[  573.715173][ T8375]  __sys_sendmsg+0x117/0x1e0
[  573.719749][ T8375]  ? __sys_sendmsg_sock+0x30/0x30
[  573.724763][ T8375]  ? __do_sys_rseq+0x750/0x750
[  573.729604][ T8375]  ? syscall_enter_from_user_mode+0x7f/0x120
[  573.735578][ T8375]  do_syscall_64+0x40/0x110
[  573.740154][ T8375]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  573.746033][ T8375] RIP: 0033:0x7ff3fd6020b9
[  573.750428][ T8375] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  573.770023][ T8375] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  573.778422][ T8375] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  573.786376][ T8375] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  573.794349][ T8375] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  573.802317][ T8375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  573.810359][ T8375] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  573.818411][ T8375]  </TASK>
[  573.821635][ T8375] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  573.887566][ T8376] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  573.897689][ T8376] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  573.906926][ T8376] CPU: 0 PID: 8376 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  573.917339][ T8376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  573.927403][ T8376] Call Trace:
[  573.930674][ T8376]  <TASK>
[  573.933594][ T8376]  dump_stack_lvl+0x125/0x1b0
[  573.938276][ T8376]  sysfs_warn_dup+0x7f/0xa0
[  573.942794][ T8376]  sysfs_create_dir_ns+0x249/0x2b0
[  573.947902][ T8376]  ? sysfs_create_mount_point+0xb0/0xb0
[  573.953435][ T8376]  ? spin_bug+0x1d0/0x1d0
[  573.957754][ T8376]  ? net_namespace+0x12/0x40
[  573.962365][ T8376]  ? device_namespace+0x8d/0xc0
[  573.967232][ T8376]  kobject_add_internal+0x2c8/0x970
[  573.972439][ T8376]  kobject_add+0x16f/0x240
[  573.976844][ T8376]  ? kset_create_and_add+0x190/0x190
[  573.982138][ T8376]  ? do_raw_spin_unlock+0x173/0x230
[  573.987323][ T8376]  ? kobject_put+0xbe/0x440
[  573.991830][ T8376]  ? device_add+0xc35/0x1aa0
[  573.996415][ T8376]  device_add+0x289/0x1aa0
[  574.000823][ T8376]  ? device_initialize+0x510/0x510
[  574.005922][ T8376]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  574.012772][ T8376]  ? __init_waitqueue_head+0xca/0x150
[  574.018162][ T8376]  netdev_register_kobject+0x183/0x3f0
[  574.023614][ T8376]  register_netdevice+0xbe6/0x14b0
[  574.028736][ T8376]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  574.034617][ T8376]  ? validate_linkmsg+0x6fc/0x9c0
[  574.039629][ T8376]  br_dev_newlink+0x27/0x110
[  574.044205][ T8376]  ? br_changelink+0x1760/0x1760
[  574.049132][ T8376]  __rtnl_newlink+0x1173/0x1930
[  574.053980][ T8376]  ? rtnl_link_unregister+0x260/0x260
[  574.059374][ T8376]  rtnl_newlink+0x67/0xa0
[  574.063715][ T8376]  ? __rtnl_newlink+0x1930/0x1930
[  574.068726][ T8376]  rtnetlink_rcv_msg+0x3c7/0xe00
[  574.073654][ T8376]  ? rtnl_fill_vf+0x4a0/0x4a0
[  574.078321][ T8376]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  574.084293][ T8376]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  574.090265][ T8376]  netlink_rcv_skb+0x16b/0x440
[  574.095022][ T8376]  ? rtnl_fill_vf+0x4a0/0x4a0
[  574.099687][ T8376]  ? netlink_ack+0x1380/0x1380
[  574.104440][ T8376]  ? lock_sync+0x190/0x190
[  574.108851][ T8376]  ? netlink_deliver_tap+0x1a0/0xd00
[  574.114128][ T8376]  ? _copy_from_iter+0x2c1/0x10f0
[  574.119144][ T8376]  netlink_unicast+0x53b/0x810
[  574.123904][ T8376]  ? netlink_attachskb+0x880/0x880
[  574.129040][ T8376]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  574.135027][ T8376]  ? __phys_addr_symbol+0x30/0x70
[  574.140132][ T8376]  ? __check_object_size+0x323/0x730
[  574.145409][ T8376]  netlink_sendmsg+0x93c/0xe40
[  574.150169][ T8376]  ? netlink_unicast+0x810/0x810
[  574.155100][ T8376]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  574.160397][ T8376]  ? netlink_unicast+0x810/0x810
[  574.165365][ T8376]  __sock_sendmsg+0xd5/0x180
[  574.169945][ T8376]  ____sys_sendmsg+0x6ac/0x940
[  574.174697][ T8376]  ? copy_msghdr_from_user+0x10b/0x160
[  574.180144][ T8376]  ? kernel_sendmsg+0x50/0x50
[  574.184810][ T8376]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  574.190781][ T8376]  ___sys_sendmsg+0x135/0x1d0
[  574.195449][ T8376]  ? do_recvmmsg+0x740/0x740
[  574.200030][ T8376]  ? find_held_lock+0x2d/0x110
[  574.204786][ T8376]  ? preempt_count_sub+0x160/0x160
[  574.209889][ T8376]  ? __fget_light+0x1fc/0x260
[  574.214553][ T8376]  __sys_sendmsg+0x117/0x1e0
[  574.219130][ T8376]  ? __sys_sendmsg_sock+0x30/0x30
[  574.224141][ T8376]  ? xfd_validate_state+0x5d/0x180
[  574.229250][ T8376]  ? syscall_enter_from_user_mode+0x7f/0x120
[  574.235218][ T8376]  do_syscall_64+0x40/0x110
[  574.239709][ T8376]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  574.245592][ T8376] RIP: 0033:0x7ff3fd6020b9
[  574.250009][ T8376] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  574.269631][ T8376] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  574.278044][ T8376] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  574.286004][ T8376] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  574.293978][ T8376] RBP: 000000000008bdd5 R08: 0000000000000000 R09: 0000000000000006
[  574.301964][ T8376] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  574.309942][ T8376] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  574.317915][ T8376]  </TASK>
[  574.321310][ T8376] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  574.393228][ T8376] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  574.402491][ T8376] CPU: 0 PID: 8376 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  574.413276][ T8376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  574.423315][ T8376] Call Trace:
[  574.426575][ T8376]  <TASK>
[  574.429483][ T8376]  dump_stack_lvl+0x125/0x1b0
[  574.434147][ T8376]  sysfs_warn_dup+0x7f/0xa0
[  574.438636][ T8376]  sysfs_create_dir_ns+0x249/0x2b0
[  574.443736][ T8376]  ? sysfs_create_mount_point+0xb0/0xb0
[  574.449282][ T8376]  ? spin_bug+0x1d0/0x1d0
[  574.453605][ T8376]  ? net_namespace+0x12/0x40
[  574.458188][ T8376]  ? device_namespace+0x8d/0xc0
[  574.463042][ T8376]  kobject_add_internal+0x2c8/0x970
[  574.468241][ T8376]  kobject_add+0x16f/0x240
[  574.472654][ T8376]  ? kset_create_and_add+0x190/0x190
[  574.477935][ T8376]  ? do_raw_spin_unlock+0x173/0x230
[  574.483125][ T8376]  ? kobject_put+0xbe/0x440
[  574.487629][ T8376]  ? device_add+0xc35/0x1aa0
[  574.492218][ T8376]  device_add+0x289/0x1aa0
[  574.496635][ T8376]  ? device_initialize+0x510/0x510
[  574.501737][ T8376]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  574.508586][ T8376]  ? __init_waitqueue_head+0xca/0x150
[  574.513965][ T8376]  netdev_register_kobject+0x183/0x3f0
[  574.519437][ T8376]  register_netdevice+0xbe6/0x14b0
[  574.524560][ T8376]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  574.530459][ T8376]  ? validate_linkmsg+0x6fc/0x9c0
[  574.535573][ T8376]  br_dev_newlink+0x27/0x110
[  574.540163][ T8376]  ? br_changelink+0x1760/0x1760
[  574.545097][ T8376]  __rtnl_newlink+0x1173/0x1930
[  574.549969][ T8376]  ? rtnl_link_unregister+0x260/0x260
[  574.555356][ T8376]  rtnl_newlink+0x67/0xa0
[  574.559683][ T8376]  ? __rtnl_newlink+0x1930/0x1930
[  574.564701][ T8376]  rtnetlink_rcv_msg+0x3c7/0xe00
[  574.569636][ T8376]  ? rtnl_fill_vf+0x4a0/0x4a0
[  574.574306][ T8376]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  574.580286][ T8376]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  574.586272][ T8376]  netlink_rcv_skb+0x16b/0x440
[  574.591037][ T8376]  ? rtnl_fill_vf+0x4a0/0x4a0
[  574.595722][ T8376]  ? netlink_ack+0x1380/0x1380
[  574.600483][ T8376]  ? lock_sync+0x190/0x190
[  574.604918][ T8376]  ? netlink_deliver_tap+0x1a0/0xd00
[  574.610199][ T8376]  ? _copy_from_iter+0x2c1/0x10f0
[  574.615314][ T8376]  netlink_unicast+0x53b/0x810
[  574.620079][ T8376]  ? netlink_attachskb+0x880/0x880
[  574.625186][ T8376]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  574.631079][ T8376]  ? __phys_addr_symbol+0x30/0x70
[  574.636098][ T8376]  ? __check_object_size+0x323/0x730
[  574.641382][ T8376]  netlink_sendmsg+0x93c/0xe40
[  574.646147][ T8376]  ? netlink_unicast+0x810/0x810
[  574.651084][ T8376]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  574.656366][ T8376]  ? netlink_unicast+0x810/0x810
[  574.661303][ T8376]  __sock_sendmsg+0xd5/0x180
[  574.665886][ T8376]  ____sys_sendmsg+0x6ac/0x940
[  574.670648][ T8376]  ? copy_msghdr_from_user+0x10b/0x160
[  574.676133][ T8376]  ? kernel_sendmsg+0x50/0x50
[  574.680812][ T8376]  ___sys_sendmsg+0x135/0x1d0
[  574.685489][ T8376]  ? do_recvmmsg+0x740/0x740
[  574.690164][ T8376]  ? find_held_lock+0x2d/0x110
[  574.694934][ T8376]  ? preempt_count_sub+0x160/0x160
[  574.700048][ T8376]  ? __fget_light+0x1fc/0x260
[  574.704718][ T8376]  __sys_sendmsg+0x117/0x1e0
[  574.709306][ T8376]  ? __sys_sendmsg_sock+0x30/0x30
[  574.714335][ T8376]  ? syscall_enter_from_user_mode+0x7f/0x120
[  574.720317][ T8376]  do_syscall_64+0x40/0x110
[  574.724815][ T8376]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  574.730707][ T8376] RIP: 0033:0x7ff3fd6020b9
[  574.735203][ T8376] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  574.754810][ T8376] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  574.763221][ T8376] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  574.771187][ T8376] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  574.779147][ T8376] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  574.787111][ T8376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  574.795075][ T8376] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  574.803051][ T8376]  </TASK>
[  574.807138][ T8376] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  574.867950][ T8377] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  574.878334][ T8377] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  574.887491][ T8377] CPU: 0 PID: 8377 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  574.897910][ T8377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  574.907952][ T8377] Call Trace:
[  574.911226][ T8377]  <TASK>
[  574.914160][ T8377]  dump_stack_lvl+0x125/0x1b0
[  574.918830][ T8377]  sysfs_warn_dup+0x7f/0xa0
[  574.923324][ T8377]  sysfs_create_dir_ns+0x249/0x2b0
[  574.928445][ T8377]  ? sysfs_create_mount_point+0xb0/0xb0
[  574.933984][ T8377]  ? spin_bug+0x1d0/0x1d0
[  574.938328][ T8377]  ? net_namespace+0x12/0x40
[  574.942915][ T8377]  ? device_namespace+0x8d/0xc0
[  574.947766][ T8377]  kobject_add_internal+0x2c8/0x970
[  574.952966][ T8377]  kobject_add+0x16f/0x240
[  574.957379][ T8377]  ? kset_create_and_add+0x190/0x190
[  574.962748][ T8377]  ? do_raw_spin_unlock+0x173/0x230
[  574.968027][ T8377]  ? kobject_put+0xbe/0x440
[  574.972529][ T8377]  ? device_add+0xc35/0x1aa0
[  574.977205][ T8377]  device_add+0x289/0x1aa0
[  574.981624][ T8377]  ? device_initialize+0x510/0x510
[  574.986727][ T8377]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  574.993573][ T8377]  ? __init_waitqueue_head+0xca/0x150
[  574.998950][ T8377]  netdev_register_kobject+0x183/0x3f0
[  575.004413][ T8377]  register_netdevice+0xbe6/0x14b0
[  575.009525][ T8377]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  575.015413][ T8377]  ? validate_linkmsg+0x6fc/0x9c0
[  575.020434][ T8377]  br_dev_newlink+0x27/0x110
[  575.025021][ T8377]  ? br_changelink+0x1760/0x1760
[  575.029951][ T8377]  __rtnl_newlink+0x1173/0x1930
[  575.034828][ T8377]  ? rtnl_link_unregister+0x260/0x260
[  575.040299][ T8377]  rtnl_newlink+0x67/0xa0
[  575.044624][ T8377]  ? __rtnl_newlink+0x1930/0x1930
[  575.049643][ T8377]  rtnetlink_rcv_msg+0x3c7/0xe00
[  575.054582][ T8377]  ? rtnl_fill_vf+0x4a0/0x4a0
[  575.059257][ T8377]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  575.065244][ T8377]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  575.071229][ T8377]  netlink_rcv_skb+0x16b/0x440
[  575.075998][ T8377]  ? rtnl_fill_vf+0x4a0/0x4a0
[  575.080668][ T8377]  ? netlink_ack+0x1380/0x1380
[  575.085429][ T8377]  ? lock_sync+0x190/0x190
[  575.089856][ T8377]  ? netlink_deliver_tap+0x1a0/0xd00
[  575.095241][ T8377]  ? _copy_from_iter+0x2c1/0x10f0
[  575.100265][ T8377]  netlink_unicast+0x53b/0x810
[  575.105028][ T8377]  ? netlink_attachskb+0x880/0x880
[  575.110166][ T8377]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  575.116080][ T8377]  ? __phys_addr_symbol+0x30/0x70
[  575.121128][ T8377]  ? __check_object_size+0x323/0x730
[  575.126427][ T8377]  netlink_sendmsg+0x93c/0xe40
[  575.131222][ T8377]  ? netlink_unicast+0x810/0x810
[  575.136162][ T8377]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  575.141441][ T8377]  ? netlink_unicast+0x810/0x810
[  575.146376][ T8377]  __sock_sendmsg+0xd5/0x180
[  575.150961][ T8377]  ____sys_sendmsg+0x6ac/0x940
[  575.155719][ T8377]  ? copy_msghdr_from_user+0x10b/0x160
[  575.161205][ T8377]  ? kernel_sendmsg+0x50/0x50
[  575.165882][ T8377]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  575.171865][ T8377]  ___sys_sendmsg+0x135/0x1d0
[  575.176543][ T8377]  ? do_recvmmsg+0x740/0x740
[  575.181127][ T8377]  ? find_held_lock+0x2d/0x110
[  575.185901][ T8377]  ? preempt_count_sub+0x160/0x160
[  575.191012][ T8377]  ? __fget_light+0x1fc/0x260
[  575.195684][ T8377]  __sys_sendmsg+0x117/0x1e0
[  575.200268][ T8377]  ? __sys_sendmsg_sock+0x30/0x30
[  575.205284][ T8377]  ? xfd_validate_state+0x5d/0x180
[  575.210407][ T8377]  ? syscall_enter_from_user_mode+0x7f/0x120
[  575.216388][ T8377]  do_syscall_64+0x40/0x110
[  575.220912][ T8377]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  575.226805][ T8377] RIP: 0033:0x7ff3fd6020b9
[  575.231222][ T8377] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  575.250824][ T8377] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  575.259399][ T8377] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  575.267358][ T8377] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  575.275319][ T8377] RBP: 000000000008c1a9 R08: 0000000000000000 R09: 0000000000000006
[  575.283282][ T8377] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  575.291242][ T8377] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  575.299212][ T8377]  </TASK>
[  575.302929][ T8377] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  575.353233][ T8377] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  575.362384][ T8377] CPU: 0 PID: 8377 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  575.372812][ T8377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  575.382861][ T8377] Call Trace:
[  575.386138][ T8377]  <TASK>
[  575.389088][ T8377]  dump_stack_lvl+0x125/0x1b0
[  575.393762][ T8377]  sysfs_warn_dup+0x7f/0xa0
[  575.398261][ T8377]  sysfs_create_dir_ns+0x249/0x2b0
[  575.403367][ T8377]  ? sysfs_create_mount_point+0xb0/0xb0
[  575.408910][ T8377]  ? spin_bug+0x1d0/0x1d0
[  575.413246][ T8377]  ? net_namespace+0x12/0x40
[  575.417833][ T8377]  ? device_namespace+0x8d/0xc0
[  575.422686][ T8377]  kobject_add_internal+0x2c8/0x970
[  575.427893][ T8377]  kobject_add+0x16f/0x240
[  575.432315][ T8377]  ? kset_create_and_add+0x190/0x190
[  575.437605][ T8377]  ? do_raw_spin_unlock+0x173/0x230
[  575.442804][ T8377]  ? kobject_put+0xbe/0x440
[  575.447308][ T8377]  ? device_add+0xc35/0x1aa0
[  575.451897][ T8377]  device_add+0x289/0x1aa0
[  575.456316][ T8377]  ? device_initialize+0x510/0x510
[  575.461425][ T8377]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  575.468274][ T8377]  ? __init_waitqueue_head+0xca/0x150
[  575.473648][ T8377]  netdev_register_kobject+0x183/0x3f0
[  575.479123][ T8377]  register_netdevice+0xbe6/0x14b0
[  575.484254][ T8377]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  575.490146][ T8377]  ? validate_linkmsg+0x6fc/0x9c0
[  575.495200][ T8377]  br_dev_newlink+0x27/0x110
[  575.499787][ T8377]  ? br_changelink+0x1760/0x1760
[  575.504720][ T8377]  __rtnl_newlink+0x1173/0x1930
[  575.509576][ T8377]  ? rtnl_link_unregister+0x260/0x260
[  575.514966][ T8377]  rtnl_newlink+0x67/0xa0
[  575.519319][ T8377]  ? __rtnl_newlink+0x1930/0x1930
[  575.524340][ T8377]  rtnetlink_rcv_msg+0x3c7/0xe00
[  575.529274][ T8377]  ? rtnl_fill_vf+0x4a0/0x4a0
[  575.533945][ T8377]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  575.539934][ T8377]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  575.545926][ T8377]  netlink_rcv_skb+0x16b/0x440
[  575.550754][ T8377]  ? rtnl_fill_vf+0x4a0/0x4a0
[  575.555427][ T8377]  ? netlink_ack+0x1380/0x1380
[  575.560189][ T8377]  ? lock_sync+0x190/0x190
[  575.564702][ T8377]  ? netlink_deliver_tap+0x1a0/0xd00
[  575.569996][ T8377]  ? _copy_from_iter+0x2c1/0x10f0
[  575.575023][ T8377]  netlink_unicast+0x53b/0x810
[  575.579793][ T8377]  ? netlink_attachskb+0x880/0x880
[  575.584921][ T8377]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  575.590833][ T8377]  ? __phys_addr_symbol+0x30/0x70
[  575.595875][ T8377]  ? __check_object_size+0x323/0x730
[  575.601160][ T8377]  netlink_sendmsg+0x93c/0xe40
[  575.605935][ T8377]  ? netlink_unicast+0x810/0x810
[  575.610877][ T8377]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  575.616156][ T8377]  ? netlink_unicast+0x810/0x810
[  575.621097][ T8377]  __sock_sendmsg+0xd5/0x180
[  575.625684][ T8377]  ____sys_sendmsg+0x6ac/0x940
[  575.630461][ T8377]  ? copy_msghdr_from_user+0x10b/0x160
[  575.635943][ T8377]  ? kernel_sendmsg+0x50/0x50
[  575.640628][ T8377]  ? hlock_class+0x4e/0x130
[  575.645130][ T8377]  ? __lock_acquire+0x14e0/0x3b10
[  575.650160][ T8377]  ___sys_sendmsg+0x135/0x1d0
[  575.654933][ T8377]  ? do_recvmmsg+0x740/0x740
[  575.659521][ T8377]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  575.665504][ T8377]  ? find_held_lock+0x2d/0x110
[  575.670282][ T8377]  ? __fget_light+0x1fc/0x260
[  575.674956][ T8377]  __sys_sendmsg+0x117/0x1e0
[  575.679544][ T8377]  ? __sys_sendmsg_sock+0x30/0x30
[  575.684570][ T8377]  ? __do_sys_rseq+0x750/0x750
[  575.689373][ T8377]  ? syscall_enter_from_user_mode+0x7f/0x120
[  575.695363][ T8377]  do_syscall_64+0x40/0x110
[  575.699863][ T8377]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  575.705758][ T8377] RIP: 0033:0x7ff3fd6020b9
[  575.710175][ T8377] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  575.729777][ T8377] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  575.738182][ T8377] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  575.746146][ T8377] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  575.754135][ T8377] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  575.762196][ T8377] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  575.770162][ T8377] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  575.778142][ T8377]  </TASK>
[  575.781401][ T8377] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  575.847581][ T8378] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  575.857849][ T8378] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  575.867018][ T8378] CPU: 0 PID: 8378 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  575.877444][ T8378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  575.887488][ T8378] Call Trace:
[  575.890759][ T8378]  <TASK>
[  575.893688][ T8378]  dump_stack_lvl+0x125/0x1b0
[  575.898388][ T8378]  sysfs_warn_dup+0x7f/0xa0
[  575.902884][ T8378]  sysfs_create_dir_ns+0x249/0x2b0
[  575.907992][ T8378]  ? sysfs_create_mount_point+0xb0/0xb0
[  575.913537][ T8378]  ? spin_bug+0x1d0/0x1d0
[  575.917866][ T8378]  ? net_namespace+0x12/0x40
[  575.922461][ T8378]  ? device_namespace+0x8d/0xc0
[  575.927320][ T8378]  kobject_add_internal+0x2c8/0x970
[  575.932521][ T8378]  kobject_add+0x16f/0x240
[  575.936934][ T8378]  ? kset_create_and_add+0x190/0x190
[  575.942220][ T8378]  ? do_raw_spin_unlock+0x173/0x230
[  575.947424][ T8378]  ? kobject_put+0xbe/0x440
[  575.951931][ T8378]  ? device_add+0xc35/0x1aa0
[  575.956522][ T8378]  device_add+0x289/0x1aa0
[  575.960943][ T8378]  ? device_initialize+0x510/0x510
[  575.966062][ T8378]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  575.972922][ T8378]  ? __init_waitqueue_head+0xca/0x150
[  575.978299][ T8378]  netdev_register_kobject+0x183/0x3f0
[  575.983766][ T8378]  register_netdevice+0xbe6/0x14b0
[  575.988882][ T8378]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  575.994778][ T8378]  ? validate_linkmsg+0x6fc/0x9c0
[  575.999803][ T8378]  br_dev_newlink+0x27/0x110
[  576.004390][ T8378]  ? br_changelink+0x1760/0x1760
[  576.009321][ T8378]  __rtnl_newlink+0x1173/0x1930
[  576.014183][ T8378]  ? rtnl_link_unregister+0x260/0x260
[  576.019573][ T8378]  rtnl_newlink+0x67/0xa0
[  576.023946][ T8378]  ? __rtnl_newlink+0x1930/0x1930
[  576.028968][ T8378]  rtnetlink_rcv_msg+0x3c7/0xe00
[  576.033904][ T8378]  ? rtnl_fill_vf+0x4a0/0x4a0
[  576.038586][ T8378]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  576.044569][ T8378]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  576.050556][ T8378]  netlink_rcv_skb+0x16b/0x440
[  576.055324][ T8378]  ? rtnl_fill_vf+0x4a0/0x4a0
[  576.060000][ T8378]  ? netlink_ack+0x1380/0x1380
[  576.064767][ T8378]  ? lock_sync+0x190/0x190
[  576.069197][ T8378]  ? netlink_deliver_tap+0x1a0/0xd00
[  576.074485][ T8378]  ? _copy_from_iter+0x2c1/0x10f0
[  576.079512][ T8378]  netlink_unicast+0x53b/0x810
[  576.084307][ T8378]  ? netlink_attachskb+0x880/0x880
[  576.089419][ T8378]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  576.095309][ T8378]  ? __phys_addr_symbol+0x30/0x70
[  576.100330][ T8378]  ? __check_object_size+0x323/0x730
[  576.105614][ T8378]  netlink_sendmsg+0x93c/0xe40
[  576.110386][ T8378]  ? netlink_unicast+0x810/0x810
[  576.115329][ T8378]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  576.120613][ T8378]  ? netlink_unicast+0x810/0x810
[  576.125555][ T8378]  __sock_sendmsg+0xd5/0x180
[  576.130143][ T8378]  ____sys_sendmsg+0x6ac/0x940
[  576.134939][ T8378]  ? copy_msghdr_from_user+0x10b/0x160
[  576.140415][ T8378]  ? kernel_sendmsg+0x50/0x50
[  576.145101][ T8378]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  576.151101][ T8378]  ___sys_sendmsg+0x135/0x1d0
[  576.155785][ T8378]  ? do_recvmmsg+0x740/0x740
[  576.160370][ T8378]  ? find_held_lock+0x2d/0x110
[  576.165139][ T8378]  ? preempt_count_sub+0x160/0x160
[  576.170260][ T8378]  ? __fget_light+0x1fc/0x260
[  576.174931][ T8378]  __sys_sendmsg+0x117/0x1e0
[  576.179520][ T8378]  ? __sys_sendmsg_sock+0x30/0x30
[  576.184543][ T8378]  ? xfd_validate_state+0x5d/0x180
[  576.189670][ T8378]  ? syscall_enter_from_user_mode+0x7f/0x120
[  576.195669][ T8378]  do_syscall_64+0x40/0x110
[  576.200196][ T8378]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  576.206109][ T8378] RIP: 0033:0x7ff3fd6020b9
[  576.210519][ T8378] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  576.230215][ T8378] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  576.238627][ T8378] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  576.246596][ T8378] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  576.254561][ T8378] RBP: 000000000008c57d R08: 0000000000000000 R09: 0000000000000006
[  576.262572][ T8378] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  576.270535][ T8378] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  576.278510][ T8378]  </TASK>
[  576.282767][ T8378] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  576.333313][ T8378] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  576.342568][ T8378] CPU: 0 PID: 8378 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  576.353048][ T8378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  576.363093][ T8378] Call Trace:
[  576.366359][ T8378]  <TASK>
[  576.369273][ T8378]  dump_stack_lvl+0x125/0x1b0
[  576.373941][ T8378]  sysfs_warn_dup+0x7f/0xa0
[  576.378429][ T8378]  sysfs_create_dir_ns+0x249/0x2b0
[  576.383617][ T8378]  ? sysfs_create_mount_point+0xb0/0xb0
[  576.389151][ T8378]  ? spin_bug+0x1d0/0x1d0
[  576.393464][ T8378]  ? net_namespace+0x12/0x40
[  576.398041][ T8378]  ? device_namespace+0x8d/0xc0
[  576.402907][ T8378]  kobject_add_internal+0x2c8/0x970
[  576.408195][ T8378]  kobject_add+0x16f/0x240
[  576.412609][ T8378]  ? kset_create_and_add+0x190/0x190
[  576.417880][ T8378]  ? do_raw_spin_unlock+0x173/0x230
[  576.423059][ T8378]  ? kobject_put+0xbe/0x440
[  576.427563][ T8378]  ? device_add+0xc35/0x1aa0
[  576.432142][ T8378]  device_add+0x289/0x1aa0
[  576.436544][ T8378]  ? device_initialize+0x510/0x510
[  576.441645][ T8378]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  576.448493][ T8378]  ? __init_waitqueue_head+0xca/0x150
[  576.453865][ T8378]  netdev_register_kobject+0x183/0x3f0
[  576.459326][ T8378]  register_netdevice+0xbe6/0x14b0
[  576.464463][ T8378]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  576.470352][ T8378]  ? validate_linkmsg+0x6fc/0x9c0
[  576.475385][ T8378]  br_dev_newlink+0x27/0x110
[  576.479985][ T8378]  ? br_changelink+0x1760/0x1760
[  576.485522][ T8378]  __rtnl_newlink+0x1173/0x1930
[  576.490373][ T8378]  ? rtnl_link_unregister+0x260/0x260
[  576.495759][ T8378]  rtnl_newlink+0x67/0xa0
[  576.500110][ T8378]  ? __rtnl_newlink+0x1930/0x1930
[  576.505147][ T8378]  rtnetlink_rcv_msg+0x3c7/0xe00
[  576.510092][ T8378]  ? rtnl_fill_vf+0x4a0/0x4a0
[  576.514773][ T8378]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  576.520756][ T8378]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  576.526744][ T8378]  netlink_rcv_skb+0x16b/0x440
[  576.531512][ T8378]  ? rtnl_fill_vf+0x4a0/0x4a0
[  576.536203][ T8378]  ? netlink_ack+0x1380/0x1380
[  576.540968][ T8378]  ? lock_sync+0x190/0x190
[  576.545395][ T8378]  ? netlink_deliver_tap+0x1a0/0xd00
[  576.550679][ T8378]  ? _copy_from_iter+0x2c1/0x10f0
[  576.555703][ T8378]  netlink_unicast+0x53b/0x810
[  576.560471][ T8378]  ? netlink_attachskb+0x880/0x880
[  576.565591][ T8378]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  576.571482][ T8378]  ? __phys_addr_symbol+0x30/0x70
[  576.576514][ T8378]  ? __check_object_size+0x323/0x730
[  576.582072][ T8378]  netlink_sendmsg+0x93c/0xe40
[  576.586843][ T8378]  ? netlink_unicast+0x810/0x810
[  576.591783][ T8378]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  576.597064][ T8378]  ? netlink_unicast+0x810/0x810
[  576.602006][ T8378]  __sock_sendmsg+0xd5/0x180
[  576.606596][ T8378]  ____sys_sendmsg+0x6ac/0x940
[  576.611369][ T8378]  ? copy_msghdr_from_user+0x10b/0x160
[  576.616863][ T8378]  ? kernel_sendmsg+0x50/0x50
[  576.621568][ T8378]  ___sys_sendmsg+0x135/0x1d0
[  576.626285][ T8378]  ? do_recvmmsg+0x740/0x740
[  576.630871][ T8378]  ? find_held_lock+0x2d/0x110
[  576.635642][ T8378]  ? preempt_count_sub+0x160/0x160
[  576.640755][ T8378]  ? __fget_light+0x1fc/0x260
[  576.645426][ T8378]  __sys_sendmsg+0x117/0x1e0
[  576.650014][ T8378]  ? __sys_sendmsg_sock+0x30/0x30
[  576.655048][ T8378]  ? syscall_enter_from_user_mode+0x7f/0x120
[  576.661031][ T8378]  do_syscall_64+0x40/0x110
[  576.665526][ T8378]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  576.671417][ T8378] RIP: 0033:0x7ff3fd6020b9
[  576.675824][ T8378] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  576.695424][ T8378] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  576.703827][ T8378] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  576.711788][ T8378] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  576.719748][ T8378] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  576.727706][ T8378] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  576.735664][ T8378] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  576.743631][ T8378]  </TASK>
[  576.747909][ T8378] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  576.807824][ T8379] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  576.817891][ T8379] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  576.827058][ T8379] CPU: 0 PID: 8379 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  576.837480][ T8379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  576.847544][ T8379] Call Trace:
[  576.850845][ T8379]  <TASK>
[  576.853768][ T8379]  dump_stack_lvl+0x125/0x1b0
[  576.858465][ T8379]  sysfs_warn_dup+0x7f/0xa0
[  576.862960][ T8379]  sysfs_create_dir_ns+0x249/0x2b0
[  576.868085][ T8379]  ? sysfs_create_mount_point+0xb0/0xb0
[  576.873629][ T8379]  ? spin_bug+0x1d0/0x1d0
[  576.877949][ T8379]  ? net_namespace+0x12/0x40
[  576.882630][ T8379]  ? device_namespace+0x8d/0xc0
[  576.887660][ T8379]  kobject_add_internal+0x2c8/0x970
[  576.892862][ T8379]  kobject_add+0x16f/0x240
[  576.897281][ T8379]  ? kset_create_and_add+0x190/0x190
[  576.902564][ T8379]  ? do_raw_spin_unlock+0x173/0x230
[  576.907752][ T8379]  ? kobject_put+0xbe/0x440
[  576.912254][ T8379]  ? device_add+0xc35/0x1aa0
[  576.916845][ T8379]  device_add+0x289/0x1aa0
[  576.921258][ T8379]  ? device_initialize+0x510/0x510
[  576.926356][ T8379]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  576.933207][ T8379]  ? __init_waitqueue_head+0xca/0x150
[  576.938588][ T8379]  netdev_register_kobject+0x183/0x3f0
[  576.944051][ T8379]  register_netdevice+0xbe6/0x14b0
[  576.949159][ T8379]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  576.955049][ T8379]  ? validate_linkmsg+0x6fc/0x9c0
[  576.960071][ T8379]  br_dev_newlink+0x27/0x110
[  576.964659][ T8379]  ? br_changelink+0x1760/0x1760
[  576.969587][ T8379]  __rtnl_newlink+0x1173/0x1930
[  576.974443][ T8379]  ? rtnl_link_unregister+0x260/0x260
[  576.979827][ T8379]  rtnl_newlink+0x67/0xa0
[  576.984150][ T8379]  ? __rtnl_newlink+0x1930/0x1930
[  576.989168][ T8379]  rtnetlink_rcv_msg+0x3c7/0xe00
[  576.994100][ T8379]  ? rtnl_fill_vf+0x4a0/0x4a0
[  576.998770][ T8379]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  577.004753][ T8379]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  577.010736][ T8379]  netlink_rcv_skb+0x16b/0x440
[  577.015583][ T8379]  ? rtnl_fill_vf+0x4a0/0x4a0
[  577.020253][ T8379]  ? netlink_ack+0x1380/0x1380
[  577.025009][ T8379]  ? lock_sync+0x190/0x190
[  577.029430][ T8379]  ? netlink_deliver_tap+0x1a0/0xd00
[  577.034798][ T8379]  ? _copy_from_iter+0x2c1/0x10f0
[  577.039826][ T8379]  netlink_unicast+0x53b/0x810
[  577.044594][ T8379]  ? netlink_attachskb+0x880/0x880
[  577.049701][ T8379]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  577.055615][ T8379]  ? __phys_addr_symbol+0x30/0x70
[  577.060720][ T8379]  ? __check_object_size+0x323/0x730
[  577.066000][ T8379]  netlink_sendmsg+0x93c/0xe40
[  577.070766][ T8379]  ? netlink_unicast+0x810/0x810
[  577.075712][ T8379]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  577.081001][ T8379]  ? netlink_unicast+0x810/0x810
[  577.085945][ T8379]  __sock_sendmsg+0xd5/0x180
[  577.090529][ T8379]  ____sys_sendmsg+0x6ac/0x940
[  577.095289][ T8379]  ? copy_msghdr_from_user+0x10b/0x160
[  577.100741][ T8379]  ? kernel_sendmsg+0x50/0x50
[  577.105412][ T8379]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  577.111391][ T8379]  ___sys_sendmsg+0x135/0x1d0
[  577.116062][ T8379]  ? do_recvmmsg+0x740/0x740
[  577.120647][ T8379]  ? find_held_lock+0x2d/0x110
[  577.125414][ T8379]  ? preempt_count_sub+0x160/0x160
[  577.130525][ T8379]  ? __fget_light+0x1fc/0x260
[  577.135200][ T8379]  __sys_sendmsg+0x117/0x1e0
[  577.139788][ T8379]  ? __sys_sendmsg_sock+0x30/0x30
[  577.144805][ T8379]  ? xfd_validate_state+0x5d/0x180
[  577.149926][ T8379]  ? syscall_enter_from_user_mode+0x7f/0x120
[  577.155941][ T8379]  do_syscall_64+0x40/0x110
[  577.160447][ T8379]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  577.166349][ T8379] RIP: 0033:0x7ff3fd6020b9
[  577.170762][ T8379] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  577.190364][ T8379] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  577.198769][ T8379] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  577.206737][ T8379] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  577.214698][ T8379] RBP: 000000000008c951 R08: 0000000000000000 R09: 0000000000000006
[  577.222749][ T8379] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  577.230709][ T8379] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  577.238681][ T8379]  </TASK>
[  577.241884][ T8379] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  577.303363][ T8379] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  577.312565][ T8379] CPU: 0 PID: 8379 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  577.322994][ T8379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  577.333037][ T8379] Call Trace:
[  577.336308][ T8379]  <TASK>
[  577.339246][ T8379]  dump_stack_lvl+0x125/0x1b0
[  577.343932][ T8379]  sysfs_warn_dup+0x7f/0xa0
[  577.348471][ T8379]  sysfs_create_dir_ns+0x249/0x2b0
[  577.353600][ T8379]  ? sysfs_create_mount_point+0xb0/0xb0
[  577.359143][ T8379]  ? spin_bug+0x1d0/0x1d0
[  577.363475][ T8379]  ? net_namespace+0x12/0x40
[  577.368058][ T8379]  ? device_namespace+0x8d/0xc0
[  577.372912][ T8379]  kobject_add_internal+0x2c8/0x970
[  577.378115][ T8379]  kobject_add+0x16f/0x240
[  577.382535][ T8379]  ? kset_create_and_add+0x190/0x190
[  577.387821][ T8379]  ? do_raw_spin_unlock+0x173/0x230
[  577.393013][ T8379]  ? kobject_put+0xbe/0x440
[  577.397515][ T8379]  ? device_add+0xc35/0x1aa0
[  577.402107][ T8379]  device_add+0x289/0x1aa0
[  577.406540][ T8379]  ? device_initialize+0x510/0x510
[  577.411645][ T8379]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  577.418497][ T8379]  ? __init_waitqueue_head+0xca/0x150
[  577.423876][ T8379]  netdev_register_kobject+0x183/0x3f0
[  577.429344][ T8379]  register_netdevice+0xbe6/0x14b0
[  577.434459][ T8379]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  577.440351][ T8379]  ? validate_linkmsg+0x6fc/0x9c0
[  577.445374][ T8379]  br_dev_newlink+0x27/0x110
[  577.449967][ T8379]  ? br_changelink+0x1760/0x1760
[  577.455248][ T8379]  __rtnl_newlink+0x1173/0x1930
[  577.460103][ T8379]  ? rtnl_link_unregister+0x260/0x260
[  577.465488][ T8379]  rtnl_newlink+0x67/0xa0
[  577.469818][ T8379]  ? __rtnl_newlink+0x1930/0x1930
[  577.474846][ T8379]  rtnetlink_rcv_msg+0x3c7/0xe00
[  577.479783][ T8379]  ? rtnl_fill_vf+0x4a0/0x4a0
[  577.484459][ T8379]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  577.490441][ T8379]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  577.496428][ T8379]  netlink_rcv_skb+0x16b/0x440
[  577.501194][ T8379]  ? rtnl_fill_vf+0x4a0/0x4a0
[  577.505867][ T8379]  ? netlink_ack+0x1380/0x1380
[  577.510632][ T8379]  ? lock_sync+0x190/0x190
[  577.515056][ T8379]  ? netlink_deliver_tap+0x1a0/0xd00
[  577.520336][ T8379]  ? _copy_from_iter+0x2c1/0x10f0
[  577.525365][ T8379]  netlink_unicast+0x53b/0x810
[  577.530138][ T8379]  ? netlink_attachskb+0x880/0x880
[  577.535246][ T8379]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  577.541139][ T8379]  ? __phys_addr_symbol+0x30/0x70
[  577.546161][ T8379]  ? __check_object_size+0x323/0x730
[  577.551445][ T8379]  netlink_sendmsg+0x93c/0xe40
[  577.556214][ T8379]  ? netlink_unicast+0x810/0x810
[  577.561150][ T8379]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  577.566427][ T8379]  ? netlink_unicast+0x810/0x810
[  577.571363][ T8379]  __sock_sendmsg+0xd5/0x180
[  577.575957][ T8379]  ____sys_sendmsg+0x6ac/0x940
[  577.580713][ T8379]  ? copy_msghdr_from_user+0x10b/0x160
[  577.586169][ T8379]  ? kernel_sendmsg+0x50/0x50
[  577.590841][ T8379]  ? hlock_class+0x4e/0x130
[  577.595341][ T8379]  ? __lock_acquire+0x14e0/0x3b10
[  577.600366][ T8379]  ___sys_sendmsg+0x135/0x1d0
[  577.605047][ T8379]  ? do_recvmmsg+0x740/0x740
[  577.609633][ T8379]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  577.615614][ T8379]  ? find_held_lock+0x2d/0x110
[  577.620390][ T8379]  ? __fget_light+0x1fc/0x260
[  577.625062][ T8379]  __sys_sendmsg+0x117/0x1e0
[  577.629655][ T8379]  ? __sys_sendmsg_sock+0x30/0x30
[  577.634714][ T8379]  ? __do_sys_rseq+0x750/0x750
[  577.639486][ T8379]  ? syscall_enter_from_user_mode+0x7f/0x120
[  577.645474][ T8379]  do_syscall_64+0x40/0x110
[  577.649981][ T8379]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  577.655903][ T8379] RIP: 0033:0x7ff3fd6020b9
[  577.660311][ T8379] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  577.679937][ T8379] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  577.688351][ T8379] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  577.696319][ T8379] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  577.704365][ T8379] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  577.712327][ T8379] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  577.720284][ T8379] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  577.728255][ T8379]  </TASK>
[  577.731622][ T8379] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  577.788202][ T8380] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  577.798358][ T8380] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  577.810829][ T8380] CPU: 0 PID: 8380 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  577.821249][ T8380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  577.831290][ T8380] Call Trace:
[  577.834564][ T8380]  <TASK>
[  577.837487][ T8380]  dump_stack_lvl+0x125/0x1b0
[  577.842157][ T8380]  sysfs_warn_dup+0x7f/0xa0
[  577.846660][ T8380]  sysfs_create_dir_ns+0x249/0x2b0
[  577.851763][ T8380]  ? sysfs_create_mount_point+0xb0/0xb0
[  577.857301][ T8380]  ? spin_bug+0x1d0/0x1d0
[  577.861634][ T8380]  ? net_namespace+0x12/0x40
[  577.866225][ T8380]  ? device_namespace+0x8d/0xc0
[  577.871082][ T8380]  kobject_add_internal+0x2c8/0x970
[  577.876282][ T8380]  kobject_add+0x16f/0x240
[  577.880697][ T8380]  ? kset_create_and_add+0x190/0x190
[  577.885981][ T8380]  ? do_raw_spin_unlock+0x173/0x230
[  577.891172][ T8380]  ? kobject_put+0xbe/0x440
[  577.895673][ T8380]  ? device_add+0xc35/0x1aa0
[  577.900259][ T8380]  device_add+0x289/0x1aa0
[  577.904673][ T8380]  ? device_initialize+0x510/0x510
[  577.909776][ T8380]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  577.916626][ T8380]  ? __init_waitqueue_head+0xca/0x150
[  577.922005][ T8380]  netdev_register_kobject+0x183/0x3f0
[  577.927467][ T8380]  register_netdevice+0xbe6/0x14b0
[  577.932602][ T8380]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  577.938499][ T8380]  ? validate_linkmsg+0x6fc/0x9c0
[  577.943524][ T8380]  br_dev_newlink+0x27/0x110
[  577.948113][ T8380]  ? br_changelink+0x1760/0x1760
[  577.953043][ T8380]  __rtnl_newlink+0x1173/0x1930
[  577.957900][ T8380]  ? rtnl_link_unregister+0x260/0x260
[  577.963286][ T8380]  rtnl_newlink+0x67/0xa0
[  577.967617][ T8380]  ? __rtnl_newlink+0x1930/0x1930
[  577.972645][ T8380]  rtnetlink_rcv_msg+0x3c7/0xe00
[  577.977580][ T8380]  ? rtnl_fill_vf+0x4a0/0x4a0
[  577.982255][ T8380]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  577.988234][ T8380]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  577.994249][ T8380]  netlink_rcv_skb+0x16b/0x440
[  577.999026][ T8380]  ? rtnl_fill_vf+0x4a0/0x4a0
[  578.003705][ T8380]  ? netlink_ack+0x1380/0x1380
[  578.008469][ T8380]  ? lock_sync+0x190/0x190
[  578.012902][ T8380]  ? netlink_deliver_tap+0x1a0/0xd00
[  578.018187][ T8380]  ? _copy_from_iter+0x2c1/0x10f0
[  578.023215][ T8380]  netlink_unicast+0x53b/0x810
[  578.027984][ T8380]  ? netlink_attachskb+0x880/0x880
[  578.033091][ T8380]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  578.038980][ T8380]  ? __phys_addr_symbol+0x30/0x70
[  578.044000][ T8380]  ? __check_object_size+0x323/0x730
[  578.049282][ T8380]  netlink_sendmsg+0x93c/0xe40
[  578.054144][ T8380]  ? netlink_unicast+0x810/0x810
[  578.059085][ T8380]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  578.064365][ T8380]  ? netlink_unicast+0x810/0x810
[  578.069301][ T8380]  __sock_sendmsg+0xd5/0x180
[  578.073888][ T8380]  ____sys_sendmsg+0x6ac/0x940
[  578.078646][ T8380]  ? copy_msghdr_from_user+0x10b/0x160
[  578.084104][ T8380]  ? kernel_sendmsg+0x50/0x50
[  578.088779][ T8380]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  578.094761][ T8380]  ___sys_sendmsg+0x135/0x1d0
[  578.099435][ T8380]  ? do_recvmmsg+0x740/0x740
[  578.104023][ T8380]  ? find_held_lock+0x2d/0x110
[  578.108795][ T8380]  ? preempt_count_sub+0x160/0x160
[  578.113944][ T8380]  ? __fget_light+0x1fc/0x260
[  578.118639][ T8380]  __sys_sendmsg+0x117/0x1e0
[  578.123242][ T8380]  ? __sys_sendmsg_sock+0x30/0x30
[  578.128270][ T8380]  ? xfd_validate_state+0x5d/0x180
[  578.133398][ T8380]  ? syscall_enter_from_user_mode+0x7f/0x120
[  578.139389][ T8380]  do_syscall_64+0x40/0x110
[  578.143895][ T8380]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  578.149793][ T8380] RIP: 0033:0x7ff3fd6020b9
[  578.154200][ T8380] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  578.173819][ T8380] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  578.182327][ T8380] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  578.190365][ T8380] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  578.198330][ T8380] RBP: 000000000008cd11 R08: 0000000000000000 R09: 0000000000000006
[  578.206295][ T8380] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  578.214266][ T8380] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  578.222239][ T8380]  </TASK>
[  578.225592][ T8380] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  578.283714][ T8380] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  578.293015][ T8380] CPU: 0 PID: 8380 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  578.303419][ T8380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  578.313465][ T8380] Call Trace:
[  578.316740][ T8380]  <TASK>
[  578.319672][ T8380]  dump_stack_lvl+0x125/0x1b0
[  578.324347][ T8380]  sysfs_warn_dup+0x7f/0xa0
[  578.328850][ T8380]  sysfs_create_dir_ns+0x249/0x2b0
[  578.333959][ T8380]  ? sysfs_create_mount_point+0xb0/0xb0
[  578.339499][ T8380]  ? spin_bug+0x1d0/0x1d0
[  578.343839][ T8380]  ? net_namespace+0x12/0x40
[  578.348419][ T8380]  ? device_namespace+0x8d/0xc0
[  578.353301][ T8380]  kobject_add_internal+0x2c8/0x970
[  578.358506][ T8380]  kobject_add+0x16f/0x240
[  578.362927][ T8380]  ? kset_create_and_add+0x190/0x190
[  578.368242][ T8380]  ? do_raw_spin_unlock+0x173/0x230
[  578.373454][ T8380]  ? kobject_put+0xbe/0x440
[  578.377960][ T8380]  ? device_add+0xc35/0x1aa0
[  578.382555][ T8380]  device_add+0x289/0x1aa0
[  578.386976][ T8380]  ? device_initialize+0x510/0x510
[  578.392086][ T8380]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  578.398940][ T8380]  ? __init_waitqueue_head+0xca/0x150
[  578.404321][ T8380]  netdev_register_kobject+0x183/0x3f0
[  578.409791][ T8380]  register_netdevice+0xbe6/0x14b0
[  578.414909][ T8380]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  578.420810][ T8380]  ? validate_linkmsg+0x6fc/0x9c0
[  578.425835][ T8380]  br_dev_newlink+0x27/0x110
[  578.430424][ T8380]  ? br_changelink+0x1760/0x1760
[  578.435360][ T8380]  __rtnl_newlink+0x1173/0x1930
[  578.440224][ T8380]  ? rtnl_link_unregister+0x260/0x260
[  578.445622][ T8380]  rtnl_newlink+0x67/0xa0
[  578.449960][ T8380]  ? __rtnl_newlink+0x1930/0x1930
[  578.454991][ T8380]  rtnetlink_rcv_msg+0x3c7/0xe00
[  578.459934][ T8380]  ? rtnl_fill_vf+0x4a0/0x4a0
[  578.464614][ T8380]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  578.470605][ T8380]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  578.476604][ T8380]  netlink_rcv_skb+0x16b/0x440
[  578.481378][ T8380]  ? rtnl_fill_vf+0x4a0/0x4a0
[  578.486054][ T8380]  ? netlink_ack+0x1380/0x1380
[  578.490823][ T8380]  ? lock_sync+0x190/0x190
[  578.495253][ T8380]  ? netlink_deliver_tap+0x1a0/0xd00
[  578.500539][ T8380]  ? _copy_from_iter+0x2c1/0x10f0
[  578.505582][ T8380]  netlink_unicast+0x53b/0x810
[  578.510359][ T8380]  ? netlink_attachskb+0x880/0x880
[  578.515476][ T8380]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  578.521373][ T8380]  ? __phys_addr_symbol+0x30/0x70
[  578.526399][ T8380]  ? __check_object_size+0x323/0x730
[  578.531688][ T8380]  netlink_sendmsg+0x93c/0xe40
[  578.536462][ T8380]  ? netlink_unicast+0x810/0x810
[  578.541492][ T8380]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  578.546782][ T8380]  ? netlink_unicast+0x810/0x810
[  578.551728][ T8380]  __sock_sendmsg+0xd5/0x180
[  578.556329][ T8380]  ____sys_sendmsg+0x6ac/0x940
[  578.561090][ T8380]  ? copy_msghdr_from_user+0x10b/0x160
[  578.566565][ T8380]  ? kernel_sendmsg+0x50/0x50
[  578.571243][ T8380]  ? hlock_class+0x4e/0x130
[  578.575748][ T8380]  ? __lock_acquire+0x14e0/0x3b10
[  578.580780][ T8380]  ___sys_sendmsg+0x135/0x1d0
[  578.585464][ T8380]  ? do_recvmmsg+0x740/0x740
[  578.590054][ T8380]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  578.596041][ T8380]  ? find_held_lock+0x2d/0x110
[  578.600828][ T8380]  ? __fget_light+0x1fc/0x260
[  578.605501][ T8380]  __sys_sendmsg+0x117/0x1e0
[  578.610096][ T8380]  ? __sys_sendmsg_sock+0x30/0x30
[  578.615119][ T8380]  ? xfd_validate_state+0x5d/0x180
[  578.620246][ T8380]  ? syscall_enter_from_user_mode+0x7f/0x120
[  578.626234][ T8380]  do_syscall_64+0x40/0x110
[  578.630744][ T8380]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  578.636651][ T8380] RIP: 0033:0x7ff3fd6020b9
[  578.641060][ T8380] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  578.660683][ T8380] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  578.669099][ T8380] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  578.677072][ T8380] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  578.685041][ T8380] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  578.693014][ T8380] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  578.700982][ T8380] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  578.708958][ T8380]  </TASK>
[  578.713265][ T8380] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  578.769348][ T8381] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  578.779740][ T8381] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  578.788896][ T8381] CPU: 0 PID: 8381 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  578.799310][ T8381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  578.809349][ T8381] Call Trace:
[  578.812645][ T8381]  <TASK>
[  578.815564][ T8381]  dump_stack_lvl+0x125/0x1b0
[  578.820235][ T8381]  sysfs_warn_dup+0x7f/0xa0
[  578.824731][ T8381]  sysfs_create_dir_ns+0x249/0x2b0
[  578.829834][ T8381]  ? sysfs_create_mount_point+0xb0/0xb0
[  578.835369][ T8381]  ? spin_bug+0x1d0/0x1d0
[  578.839704][ T8381]  ? net_namespace+0x12/0x40
[  578.844289][ T8381]  ? device_namespace+0x8d/0xc0
[  578.849153][ T8381]  kobject_add_internal+0x2c8/0x970
[  578.854347][ T8381]  kobject_add+0x16f/0x240
[  578.858761][ T8381]  ? kset_create_and_add+0x190/0x190
[  578.864060][ T8381]  ? do_raw_spin_unlock+0x173/0x230
[  578.869293][ T8381]  ? kobject_put+0xbe/0x440
[  578.873790][ T8381]  ? device_add+0xc35/0x1aa0
[  578.878373][ T8381]  device_add+0x289/0x1aa0
[  578.882779][ T8381]  ? device_initialize+0x510/0x510
[  578.887896][ T8381]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  578.894736][ T8381]  ? __init_waitqueue_head+0xca/0x150
[  578.900104][ T8381]  netdev_register_kobject+0x183/0x3f0
[  578.905559][ T8381]  register_netdevice+0xbe6/0x14b0
[  578.910669][ T8381]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  578.916588][ T8381]  ? validate_linkmsg+0x6fc/0x9c0
[  578.921605][ T8381]  br_dev_newlink+0x27/0x110
[  578.926189][ T8381]  ? br_changelink+0x1760/0x1760
[  578.931127][ T8381]  __rtnl_newlink+0x1173/0x1930
[  578.935999][ T8381]  ? rtnl_link_unregister+0x260/0x260
[  578.941403][ T8381]  rtnl_newlink+0x67/0xa0
[  578.945722][ T8381]  ? __rtnl_newlink+0x1930/0x1930
[  578.950736][ T8381]  rtnetlink_rcv_msg+0x3c7/0xe00
[  578.955665][ T8381]  ? rtnl_fill_vf+0x4a0/0x4a0
[  578.960334][ T8381]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  578.966305][ T8381]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  578.972283][ T8381]  netlink_rcv_skb+0x16b/0x440
[  578.977040][ T8381]  ? rtnl_fill_vf+0x4a0/0x4a0
[  578.981714][ T8381]  ? netlink_ack+0x1380/0x1380
[  578.986473][ T8381]  ? lock_sync+0x190/0x190
[  578.990893][ T8381]  ? netlink_deliver_tap+0x1a0/0xd00
[  578.996169][ T8381]  ? _copy_from_iter+0x2c1/0x10f0
[  579.001231][ T8381]  netlink_unicast+0x53b/0x810
[  579.005992][ T8381]  ? netlink_attachskb+0x880/0x880
[  579.011098][ T8381]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  579.016983][ T8381]  ? __phys_addr_symbol+0x30/0x70
[  579.021999][ T8381]  ? __check_object_size+0x323/0x730
[  579.027276][ T8381]  netlink_sendmsg+0x93c/0xe40
[  579.032036][ T8381]  ? netlink_unicast+0x810/0x810
[  579.036970][ T8381]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  579.042245][ T8381]  ? netlink_unicast+0x810/0x810
[  579.047177][ T8381]  __sock_sendmsg+0xd5/0x180
[  579.051772][ T8381]  ____sys_sendmsg+0x6ac/0x940
[  579.056545][ T8381]  ? copy_msghdr_from_user+0x10b/0x160
[  579.061995][ T8381]  ? kernel_sendmsg+0x50/0x50
[  579.066666][ T8381]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  579.072648][ T8381]  ___sys_sendmsg+0x135/0x1d0
[  579.077331][ T8381]  ? do_recvmmsg+0x740/0x740
[  579.081947][ T8381]  ? find_held_lock+0x2d/0x110
[  579.086708][ T8381]  ? preempt_count_sub+0x160/0x160
[  579.091833][ T8381]  ? __fget_light+0x1fc/0x260
[  579.096502][ T8381]  __sys_sendmsg+0x117/0x1e0
[  579.101086][ T8381]  ? __sys_sendmsg_sock+0x30/0x30
[  579.106108][ T8381]  ? syscall_enter_from_user_mode+0x7f/0x120
[  579.112083][ T8381]  do_syscall_64+0x40/0x110
[  579.116577][ T8381]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  579.122463][ T8381] RIP: 0033:0x7ff3fd6020b9
[  579.126865][ T8381] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  579.146458][ T8381] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  579.154875][ T8381] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  579.162832][ T8381] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  579.170791][ T8381] RBP: 000000000008d0e5 R08: 0000000000000000 R09: 0000000000000006
[  579.178748][ T8381] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  579.186723][ T8381] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  579.194690][ T8381]  </TASK>
[  579.198213][ T8381] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  579.283387][ T8381] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  579.292662][ T8381] CPU: 0 PID: 8381 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  579.303088][ T8381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  579.313129][ T8381] Call Trace:
[  579.316394][ T8381]  <TASK>
[  579.319307][ T8381]  dump_stack_lvl+0x125/0x1b0
[  579.323974][ T8381]  sysfs_warn_dup+0x7f/0xa0
[  579.328463][ T8381]  sysfs_create_dir_ns+0x249/0x2b0
[  579.333563][ T8381]  ? sysfs_create_mount_point+0xb0/0xb0
[  579.339097][ T8381]  ? spin_bug+0x1d0/0x1d0
[  579.343409][ T8381]  ? net_namespace+0x12/0x40
[  579.347981][ T8381]  ? device_namespace+0x8d/0xc0
[  579.352821][ T8381]  kobject_add_internal+0x2c8/0x970
[  579.358008][ T8381]  kobject_add+0x16f/0x240
[  579.362409][ T8381]  ? kset_create_and_add+0x190/0x190
[  579.367676][ T8381]  ? do_raw_spin_unlock+0x173/0x230
[  579.372864][ T8381]  ? kobject_put+0xbe/0x440
[  579.377354][ T8381]  ? device_add+0xc35/0x1aa0
[  579.381931][ T8381]  device_add+0x289/0x1aa0
[  579.386335][ T8381]  ? device_initialize+0x510/0x510
[  579.391430][ T8381]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  579.398262][ T8381]  ? __init_waitqueue_head+0xca/0x150
[  579.403627][ T8381]  netdev_register_kobject+0x183/0x3f0
[  579.409076][ T8381]  register_netdevice+0xbe6/0x14b0
[  579.414263][ T8381]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  579.420142][ T8381]  ? validate_linkmsg+0x6fc/0x9c0
[  579.425172][ T8381]  br_dev_newlink+0x27/0x110
[  579.429749][ T8381]  ? br_changelink+0x1760/0x1760
[  579.434674][ T8381]  __rtnl_newlink+0x1173/0x1930
[  579.439519][ T8381]  ? rtnl_link_unregister+0x260/0x260
[  579.444896][ T8381]  rtnl_newlink+0x67/0xa0
[  579.449210][ T8381]  ? __rtnl_newlink+0x1930/0x1930
[  579.454217][ T8381]  rtnetlink_rcv_msg+0x3c7/0xe00
[  579.459141][ T8381]  ? rtnl_fill_vf+0x4a0/0x4a0
[  579.463804][ T8381]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  579.469791][ T8381]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  579.475767][ T8381]  netlink_rcv_skb+0x16b/0x440
[  579.480532][ T8381]  ? rtnl_fill_vf+0x4a0/0x4a0
[  579.485195][ T8381]  ? netlink_ack+0x1380/0x1380
[  579.489945][ T8381]  ? lock_sync+0x190/0x190
[  579.494355][ T8381]  ? netlink_deliver_tap+0x1a0/0xd00
[  579.499622][ T8381]  ? _copy_from_iter+0x2c1/0x10f0
[  579.504634][ T8381]  netlink_unicast+0x53b/0x810
[  579.509386][ T8381]  ? netlink_attachskb+0x880/0x880
[  579.514483][ T8381]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  579.520371][ T8381]  ? __phys_addr_symbol+0x30/0x70
[  579.525401][ T8381]  ? __check_object_size+0x323/0x730
[  579.530951][ T8381]  netlink_sendmsg+0x93c/0xe40
[  579.535714][ T8381]  ? netlink_unicast+0x810/0x810
[  579.540657][ T8381]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  579.545947][ T8381]  ? netlink_unicast+0x810/0x810
[  579.550881][ T8381]  __sock_sendmsg+0xd5/0x180
[  579.555454][ T8381]  ____sys_sendmsg+0x6ac/0x940
[  579.560197][ T8381]  ? copy_msghdr_from_user+0x10b/0x160
[  579.565643][ T8381]  ? kernel_sendmsg+0x50/0x50
[  579.570397][ T8381]  ___sys_sendmsg+0x135/0x1d0
[  579.575062][ T8381]  ? do_recvmmsg+0x740/0x740
[  579.579635][ T8381]  ? find_held_lock+0x2d/0x110
[  579.584390][ T8381]  ? preempt_count_sub+0x160/0x160
[  579.589489][ T8381]  ? __fget_light+0x1fc/0x260
[  579.594152][ T8381]  __sys_sendmsg+0x117/0x1e0
[  579.598727][ T8381]  ? __sys_sendmsg_sock+0x30/0x30
[  579.603771][ T8381]  ? syscall_enter_from_user_mode+0x7f/0x120
[  579.609740][ T8381]  do_syscall_64+0x40/0x110
[  579.614226][ T8381]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  579.620104][ T8381] RIP: 0033:0x7ff3fd6020b9
[  579.624502][ T8381] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  579.644112][ T8381] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  579.652517][ T8381] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  579.660475][ T8381] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  579.668439][ T8381] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  579.676400][ T8381] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  579.684360][ T8381] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  579.692324][ T8381]  </TASK>
[  579.695517][ T8381] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  579.758560][ T8382] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  579.768783][ T8382] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  579.777977][ T8382] CPU: 1 PID: 8382 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  579.788413][ T8382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  579.798468][ T8382] Call Trace:
[  579.801745][ T8382]  <TASK>
[  579.804681][ T8382]  dump_stack_lvl+0x125/0x1b0
[  579.809362][ T8382]  sysfs_warn_dup+0x7f/0xa0
[  579.813866][ T8382]  sysfs_create_dir_ns+0x249/0x2b0
[  579.818978][ T8382]  ? sysfs_create_mount_point+0xb0/0xb0
[  579.824525][ T8382]  ? spin_bug+0x1d0/0x1d0
[  579.828856][ T8382]  ? net_namespace+0x12/0x40
[  579.833444][ T8382]  ? device_namespace+0x8d/0xc0
[  579.838329][ T8382]  kobject_add_internal+0x2c8/0x970
[  579.843548][ T8382]  kobject_add+0x16f/0x240
[  579.847977][ T8382]  ? kset_create_and_add+0x190/0x190
[  579.853292][ T8382]  ? do_raw_spin_unlock+0x173/0x230
[  579.858513][ T8382]  ? kobject_put+0xbe/0x440
[  579.863013][ T8382]  ? device_add+0xc35/0x1aa0
[  579.867599][ T8382]  device_add+0x289/0x1aa0
[  579.872015][ T8382]  ? device_initialize+0x510/0x510
[  579.877120][ T8382]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  579.883973][ T8382]  ? __init_waitqueue_head+0xca/0x150
[  579.889348][ T8382]  netdev_register_kobject+0x183/0x3f0
[  579.894818][ T8382]  register_netdevice+0xbe6/0x14b0
[  579.899935][ T8382]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  579.905849][ T8382]  ? validate_linkmsg+0x6fc/0x9c0
[  579.910888][ T8382]  br_dev_newlink+0x27/0x110
[  579.915473][ T8382]  ? br_changelink+0x1760/0x1760
[  579.920402][ T8382]  __rtnl_newlink+0x1173/0x1930
[  579.925253][ T8382]  ? rtnl_link_unregister+0x260/0x260
[  579.930657][ T8382]  rtnl_newlink+0x67/0xa0
[  579.935009][ T8382]  ? __rtnl_newlink+0x1930/0x1930
[  579.940030][ T8382]  rtnetlink_rcv_msg+0x3c7/0xe00
[  579.944966][ T8382]  ? rtnl_fill_vf+0x4a0/0x4a0
[  579.949638][ T8382]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  579.955617][ T8382]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  579.961599][ T8382]  netlink_rcv_skb+0x16b/0x440
[  579.966361][ T8382]  ? rtnl_fill_vf+0x4a0/0x4a0
[  579.971032][ T8382]  ? netlink_ack+0x1380/0x1380
[  579.975811][ T8382]  ? lock_sync+0x190/0x190
[  579.980255][ T8382]  ? netlink_deliver_tap+0x1a0/0xd00
[  579.985544][ T8382]  ? _copy_from_iter+0x2c1/0x10f0
[  579.990568][ T8382]  netlink_unicast+0x53b/0x810
[  579.995341][ T8382]  ? netlink_attachskb+0x880/0x880
[  580.000447][ T8382]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  580.006339][ T8382]  ? __phys_addr_symbol+0x30/0x70
[  580.011363][ T8382]  ? __check_object_size+0x323/0x730
[  580.016648][ T8382]  netlink_sendmsg+0x93c/0xe40
[  580.021439][ T8382]  ? netlink_unicast+0x810/0x810
[  580.026399][ T8382]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  580.031683][ T8382]  ? netlink_unicast+0x810/0x810
[  580.036634][ T8382]  __sock_sendmsg+0xd5/0x180
[  580.041225][ T8382]  ____sys_sendmsg+0x6ac/0x940
[  580.046021][ T8382]  ? copy_msghdr_from_user+0x10b/0x160
[  580.051479][ T8382]  ? kernel_sendmsg+0x50/0x50
[  580.056162][ T8382]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  580.062143][ T8382]  ___sys_sendmsg+0x135/0x1d0
[  580.066830][ T8382]  ? do_recvmmsg+0x740/0x740
[  580.071447][ T8382]  ? find_held_lock+0x2d/0x110
[  580.076213][ T8382]  ? preempt_count_sub+0x160/0x160
[  580.081346][ T8382]  ? __fget_light+0x1fc/0x260
[  580.086063][ T8382]  __sys_sendmsg+0x117/0x1e0
[  580.090659][ T8382]  ? __sys_sendmsg_sock+0x30/0x30
[  580.095685][ T8382]  ? xfd_validate_state+0x5d/0x180
[  580.100830][ T8382]  ? syscall_enter_from_user_mode+0x7f/0x120
[  580.106822][ T8382]  do_syscall_64+0x40/0x110
[  580.111337][ T8382]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  580.117233][ T8382] RIP: 0033:0x7ff3fd6020b9
[  580.121643][ T8382] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  580.141247][ T8382] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  580.149653][ T8382] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  580.157614][ T8382] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  580.165574][ T8382] RBP: 000000000008d4ba R08: 0000000000000000 R09: 0000000000000006
[  580.173575][ T8382] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  580.181562][ T8382] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  580.189546][ T8382]  </TASK>
[  580.194404][ T8382] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  580.243596][ T8382] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  580.252877][ T8382] CPU: 0 PID: 8382 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  580.263323][ T8382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  580.273370][ T8382] Call Trace:
[  580.276678][ T8382]  <TASK>
[  580.279596][ T8382]  dump_stack_lvl+0x125/0x1b0
[  580.284268][ T8382]  sysfs_warn_dup+0x7f/0xa0
[  580.288788][ T8382]  sysfs_create_dir_ns+0x249/0x2b0
[  580.293891][ T8382]  ? sysfs_create_mount_point+0xb0/0xb0
[  580.299428][ T8382]  ? spin_bug+0x1d0/0x1d0
[  580.303751][ T8382]  ? net_namespace+0x12/0x40
[  580.308342][ T8382]  ? device_namespace+0x8d/0xc0
[  580.313223][ T8382]  kobject_add_internal+0x2c8/0x970
[  580.318511][ T8382]  kobject_add+0x16f/0x240
[  580.322929][ T8382]  ? kset_create_and_add+0x190/0x190
[  580.328219][ T8382]  ? do_raw_spin_unlock+0x173/0x230
[  580.333413][ T8382]  ? kobject_put+0xbe/0x440
[  580.337917][ T8382]  ? device_add+0xc35/0x1aa0
[  580.342536][ T8382]  device_add+0x289/0x1aa0
[  580.346951][ T8382]  ? device_initialize+0x510/0x510
[  580.352057][ T8382]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  580.358905][ T8382]  ? __init_waitqueue_head+0xca/0x150
[  580.364282][ T8382]  netdev_register_kobject+0x183/0x3f0
[  580.369747][ T8382]  register_netdevice+0xbe6/0x14b0
[  580.374863][ T8382]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  580.380756][ T8382]  ? validate_linkmsg+0x6fc/0x9c0
[  580.385777][ T8382]  br_dev_newlink+0x27/0x110
[  580.390364][ T8382]  ? br_changelink+0x1760/0x1760
[  580.395296][ T8382]  __rtnl_newlink+0x1173/0x1930
[  580.400153][ T8382]  ? rtnl_link_unregister+0x260/0x260
[  580.405544][ T8382]  rtnl_newlink+0x67/0xa0
[  580.409875][ T8382]  ? __rtnl_newlink+0x1930/0x1930
[  580.414987][ T8382]  rtnetlink_rcv_msg+0x3c7/0xe00
[  580.419925][ T8382]  ? rtnl_fill_vf+0x4a0/0x4a0
[  580.424602][ T8382]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  580.430588][ T8382]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  580.436590][ T8382]  netlink_rcv_skb+0x16b/0x440
[  580.441361][ T8382]  ? rtnl_fill_vf+0x4a0/0x4a0
[  580.446038][ T8382]  ? netlink_ack+0x1380/0x1380
[  580.450802][ T8382]  ? lock_sync+0x190/0x190
[  580.455228][ T8382]  ? netlink_deliver_tap+0x1a0/0xd00
[  580.460510][ T8382]  ? _copy_from_iter+0x2c1/0x10f0
[  580.465536][ T8382]  netlink_unicast+0x53b/0x810
[  580.470303][ T8382]  ? netlink_attachskb+0x880/0x880
[  580.475415][ T8382]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  580.481308][ T8382]  ? __phys_addr_symbol+0x30/0x70
[  580.486327][ T8382]  ? __check_object_size+0x323/0x730
[  580.491702][ T8382]  netlink_sendmsg+0x93c/0xe40
[  580.496471][ T8382]  ? netlink_unicast+0x810/0x810
[  580.501411][ T8382]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  580.506693][ T8382]  ? netlink_unicast+0x810/0x810
[  580.511630][ T8382]  __sock_sendmsg+0xd5/0x180
[  580.516223][ T8382]  ____sys_sendmsg+0x6ac/0x940
[  580.521010][ T8382]  ? copy_msghdr_from_user+0x10b/0x160
[  580.526473][ T8382]  ? kernel_sendmsg+0x50/0x50
[  580.531156][ T8382]  ___sys_sendmsg+0x135/0x1d0
[  580.535833][ T8382]  ? do_recvmmsg+0x740/0x740
[  580.540418][ T8382]  ? find_held_lock+0x2d/0x110
[  580.545185][ T8382]  ? preempt_count_sub+0x160/0x160
[  580.550305][ T8382]  ? __fget_light+0x1fc/0x260
[  580.554986][ T8382]  __sys_sendmsg+0x117/0x1e0
[  580.559576][ T8382]  ? __sys_sendmsg_sock+0x30/0x30
[  580.564611][ T8382]  ? syscall_enter_from_user_mode+0x7f/0x120
[  580.570603][ T8382]  do_syscall_64+0x40/0x110
[  580.575117][ T8382]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  580.581014][ T8382] RIP: 0033:0x7ff3fd6020b9
[  580.585423][ T8382] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  580.605023][ T8382] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  580.613428][ T8382] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  580.621478][ T8382] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  580.629439][ T8382] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  580.637402][ T8382] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  580.645367][ T8382] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  580.653341][ T8382]  </TASK>
[  580.657729][ T8382] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  580.717442][ T8383] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  580.727504][ T8383] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  580.736656][ T8383] CPU: 0 PID: 8383 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  580.747073][ T8383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  580.757119][ T8383] Call Trace:
[  580.760411][ T8383]  <TASK>
[  580.763335][ T8383]  dump_stack_lvl+0x125/0x1b0
[  580.768040][ T8383]  sysfs_warn_dup+0x7f/0xa0
[  580.772549][ T8383]  sysfs_create_dir_ns+0x249/0x2b0
[  580.777660][ T8383]  ? sysfs_create_mount_point+0xb0/0xb0
[  580.783203][ T8383]  ? spin_bug+0x1d0/0x1d0
[  580.787530][ T8383]  ? net_namespace+0x12/0x40
[  580.792120][ T8383]  ? device_namespace+0x8d/0xc0
[  580.796974][ T8383]  kobject_add_internal+0x2c8/0x970
[  580.802180][ T8383]  kobject_add+0x16f/0x240
[  580.806601][ T8383]  ? kset_create_and_add+0x190/0x190
[  580.811884][ T8383]  ? do_raw_spin_unlock+0x173/0x230
[  580.817079][ T8383]  ? kobject_put+0xbe/0x440
[  580.821585][ T8383]  ? device_add+0xc35/0x1aa0
[  580.826176][ T8383]  device_add+0x289/0x1aa0
[  580.830595][ T8383]  ? device_initialize+0x510/0x510
[  580.835796][ T8383]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  580.842650][ T8383]  ? __init_waitqueue_head+0xca/0x150
[  580.848031][ T8383]  netdev_register_kobject+0x183/0x3f0
[  580.853530][ T8383]  register_netdevice+0xbe6/0x14b0
[  580.858651][ T8383]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  580.864547][ T8383]  ? validate_linkmsg+0x6fc/0x9c0
[  580.869569][ T8383]  br_dev_newlink+0x27/0x110
[  580.874158][ T8383]  ? br_changelink+0x1760/0x1760
[  580.879092][ T8383]  __rtnl_newlink+0x1173/0x1930
[  580.883951][ T8383]  ? rtnl_link_unregister+0x260/0x260
[  580.889376][ T8383]  rtnl_newlink+0x67/0xa0
[  580.893702][ T8383]  ? __rtnl_newlink+0x1930/0x1930
[  580.898721][ T8383]  rtnetlink_rcv_msg+0x3c7/0xe00
[  580.903656][ T8383]  ? rtnl_fill_vf+0x4a0/0x4a0
[  580.908328][ T8383]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  580.914313][ T8383]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  580.920306][ T8383]  netlink_rcv_skb+0x16b/0x440
[  580.925073][ T8383]  ? rtnl_fill_vf+0x4a0/0x4a0
[  580.929745][ T8383]  ? netlink_ack+0x1380/0x1380
[  580.934512][ T8383]  ? lock_sync+0x190/0x190
[  580.938943][ T8383]  ? netlink_deliver_tap+0x1a0/0xd00
[  580.944226][ T8383]  ? _copy_from_iter+0x2c1/0x10f0
[  580.949253][ T8383]  netlink_unicast+0x53b/0x810
[  580.954017][ T8383]  ? netlink_attachskb+0x880/0x880
[  580.959129][ T8383]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  580.965021][ T8383]  ? __phys_addr_symbol+0x30/0x70
[  580.970042][ T8383]  ? __check_object_size+0x323/0x730
[  580.975326][ T8383]  netlink_sendmsg+0x93c/0xe40
[  580.980096][ T8383]  ? netlink_unicast+0x810/0x810
[  580.985036][ T8383]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  580.990316][ T8383]  ? netlink_unicast+0x810/0x810
[  580.995255][ T8383]  __sock_sendmsg+0xd5/0x180
[  580.999843][ T8383]  ____sys_sendmsg+0x6ac/0x940
[  581.004605][ T8383]  ? copy_msghdr_from_user+0x10b/0x160
[  581.010064][ T8383]  ? kernel_sendmsg+0x50/0x50
[  581.014749][ T8383]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  581.020737][ T8383]  ___sys_sendmsg+0x135/0x1d0
[  581.025417][ T8383]  ? do_recvmmsg+0x740/0x740
[  581.030004][ T8383]  ? find_held_lock+0x2d/0x110
[  581.034774][ T8383]  ? preempt_count_sub+0x160/0x160
[  581.039919][ T8383]  ? __fget_light+0x1fc/0x260
[  581.044593][ T8383]  __sys_sendmsg+0x117/0x1e0
[  581.049185][ T8383]  ? __sys_sendmsg_sock+0x30/0x30
[  581.054209][ T8383]  ? xfd_validate_state+0x5d/0x180
[  581.059333][ T8383]  ? syscall_enter_from_user_mode+0x7f/0x120
[  581.065320][ T8383]  do_syscall_64+0x40/0x110
[  581.069825][ T8383]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  581.075719][ T8383] RIP: 0033:0x7ff3fd6020b9
[  581.080128][ T8383] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  581.099737][ T8383] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  581.108149][ T8383] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  581.116116][ T8383] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  581.124082][ T8383] RBP: 000000000008d898 R08: 0000000000000000 R09: 0000000000000006
[  581.132048][ T8383] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  581.140023][ T8383] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  581.147998][ T8383]  </TASK>
[  581.151277][ T8383] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  581.203735][ T8383] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  581.212972][ T8383] CPU: 0 PID: 8383 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  581.223396][ T8383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  581.233456][ T8383] Call Trace:
[  581.236732][ T8383]  <TASK>
[  581.239653][ T8383]  dump_stack_lvl+0x125/0x1b0
[  581.244336][ T8383]  sysfs_warn_dup+0x7f/0xa0
[  581.248835][ T8383]  sysfs_create_dir_ns+0x249/0x2b0
[  581.253944][ T8383]  ? sysfs_create_mount_point+0xb0/0xb0
[  581.259487][ T8383]  ? spin_bug+0x1d0/0x1d0
[  581.263817][ T8383]  ? net_namespace+0x12/0x40
[  581.268430][ T8383]  ? device_namespace+0x8d/0xc0
[  581.273282][ T8383]  kobject_add_internal+0x2c8/0x970
[  581.278488][ T8383]  kobject_add+0x16f/0x240
[  581.282911][ T8383]  ? kset_create_and_add+0x190/0x190
[  581.288194][ T8383]  ? do_raw_spin_unlock+0x173/0x230
[  581.293387][ T8383]  ? kobject_put+0xbe/0x440
[  581.297889][ T8383]  ? device_add+0xc35/0x1aa0
[  581.302480][ T8383]  device_add+0x289/0x1aa0
[  581.306894][ T8383]  ? device_initialize+0x510/0x510
[  581.312001][ T8383]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  581.318851][ T8383]  ? __init_waitqueue_head+0xca/0x150
[  581.324227][ T8383]  netdev_register_kobject+0x183/0x3f0
[  581.329694][ T8383]  register_netdevice+0xbe6/0x14b0
[  581.334813][ T8383]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  581.340707][ T8383]  ? validate_linkmsg+0x6fc/0x9c0
[  581.345733][ T8383]  br_dev_newlink+0x27/0x110
[  581.350317][ T8383]  ? br_changelink+0x1760/0x1760
[  581.355247][ T8383]  __rtnl_newlink+0x1173/0x1930
[  581.360107][ T8383]  ? rtnl_link_unregister+0x260/0x260
[  581.365492][ T8383]  rtnl_newlink+0x67/0xa0
[  581.369817][ T8383]  ? __rtnl_newlink+0x1930/0x1930
[  581.374841][ T8383]  rtnetlink_rcv_msg+0x3c7/0xe00
[  581.379775][ T8383]  ? rtnl_fill_vf+0x4a0/0x4a0
[  581.384448][ T8383]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  581.390426][ T8383]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  581.396412][ T8383]  netlink_rcv_skb+0x16b/0x440
[  581.401184][ T8383]  ? rtnl_fill_vf+0x4a0/0x4a0
[  581.405856][ T8383]  ? netlink_ack+0x1380/0x1380
[  581.410628][ T8383]  ? lock_sync+0x190/0x190
[  581.415051][ T8383]  ? netlink_deliver_tap+0x1a0/0xd00
[  581.420332][ T8383]  ? _copy_from_iter+0x2c1/0x10f0
[  581.425355][ T8383]  netlink_unicast+0x53b/0x810
[  581.430119][ T8383]  ? netlink_attachskb+0x880/0x880
[  581.435235][ T8383]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  581.441128][ T8383]  ? __phys_addr_symbol+0x30/0x70
[  581.446154][ T8383]  ? __check_object_size+0x323/0x730
[  581.451436][ T8383]  netlink_sendmsg+0x93c/0xe40
[  581.456205][ T8383]  ? netlink_unicast+0x810/0x810
[  581.461152][ T8383]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  581.466434][ T8383]  ? netlink_unicast+0x810/0x810
[  581.471371][ T8383]  __sock_sendmsg+0xd5/0x180
[  581.475955][ T8383]  ____sys_sendmsg+0x6ac/0x940
[  581.480716][ T8383]  ? copy_msghdr_from_user+0x10b/0x160
[  581.486169][ T8383]  ? kernel_sendmsg+0x50/0x50
[  581.490846][ T8383]  ? hlock_class+0x4e/0x130
[  581.495344][ T8383]  ? __lock_acquire+0x14e0/0x3b10
[  581.500369][ T8383]  ___sys_sendmsg+0x135/0x1d0
[  581.505046][ T8383]  ? do_recvmmsg+0x740/0x740
[  581.509634][ T8383]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  581.515623][ T8383]  ? find_held_lock+0x2d/0x110
[  581.520398][ T8383]  ? __fget_light+0x1fc/0x260
[  581.525070][ T8383]  __sys_sendmsg+0x117/0x1e0
[  581.529658][ T8383]  ? __sys_sendmsg_sock+0x30/0x30
[  581.534678][ T8383]  ? xfd_validate_state+0x5d/0x180
[  581.539802][ T8383]  ? syscall_enter_from_user_mode+0x7f/0x120
[  581.545788][ T8383]  do_syscall_64+0x40/0x110
[  581.550289][ T8383]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  581.556183][ T8383] RIP: 0033:0x7ff3fd6020b9
[  581.560633][ T8383] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  581.580261][ T8383] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  581.588674][ T8383] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  581.596641][ T8383] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  581.604608][ T8383] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  581.612574][ T8383] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  581.620541][ T8383] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  581.628514][ T8383]  </TASK>
[  581.631767][ T8383] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  581.697844][ T8384] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  581.707939][ T8384] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  581.717124][ T8384] CPU: 1 PID: 8384 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  581.727557][ T8384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  581.737603][ T8384] Call Trace:
[  581.740954][ T8384]  <TASK>
[  581.743877][ T8384]  dump_stack_lvl+0x125/0x1b0
[  581.748556][ T8384]  sysfs_warn_dup+0x7f/0xa0
[  581.753052][ T8384]  sysfs_create_dir_ns+0x249/0x2b0
[  581.758178][ T8384]  ? sysfs_create_mount_point+0xb0/0xb0
[  581.763750][ T8384]  ? spin_bug+0x1d0/0x1d0
[  581.768131][ T8384]  ? net_namespace+0x12/0x40
[  581.772744][ T8384]  ? device_namespace+0x8d/0xc0
[  581.777591][ T8384]  kobject_add_internal+0x2c8/0x970
[  581.782822][ T8384]  kobject_add+0x16f/0x240
[  581.787236][ T8384]  ? kset_create_and_add+0x190/0x190
[  581.792540][ T8384]  ? do_raw_spin_unlock+0x173/0x230
[  581.797774][ T8384]  ? kobject_put+0xbe/0x440
[  581.802271][ T8384]  ? device_add+0xc35/0x1aa0
[  581.806855][ T8384]  device_add+0x289/0x1aa0
[  581.811283][ T8384]  ? device_initialize+0x510/0x510
[  581.816396][ T8384]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  581.823249][ T8384]  ? __init_waitqueue_head+0xca/0x150
[  581.828621][ T8384]  netdev_register_kobject+0x183/0x3f0
[  581.834085][ T8384]  register_netdevice+0xbe6/0x14b0
[  581.839204][ T8384]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  581.845123][ T8384]  ? validate_linkmsg+0x6fc/0x9c0
[  581.850144][ T8384]  br_dev_newlink+0x27/0x110
[  581.854728][ T8384]  ? br_changelink+0x1760/0x1760
[  581.859684][ T8384]  __rtnl_newlink+0x1173/0x1930
[  581.864543][ T8384]  ? rtnl_link_unregister+0x260/0x260
[  581.869947][ T8384]  rtnl_newlink+0x67/0xa0
[  581.874267][ T8384]  ? __rtnl_newlink+0x1930/0x1930
[  581.879280][ T8384]  rtnetlink_rcv_msg+0x3c7/0xe00
[  581.884220][ T8384]  ? rtnl_fill_vf+0x4a0/0x4a0
[  581.888889][ T8384]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  581.894875][ T8384]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  581.900890][ T8384]  netlink_rcv_skb+0x16b/0x440
[  581.905654][ T8384]  ? rtnl_fill_vf+0x4a0/0x4a0
[  581.910322][ T8384]  ? netlink_ack+0x1380/0x1380
[  581.915079][ T8384]  ? lock_sync+0x190/0x190
[  581.919494][ T8384]  ? netlink_deliver_tap+0x1a0/0xd00
[  581.924772][ T8384]  ? _copy_from_iter+0x2c1/0x10f0
[  581.929793][ T8384]  netlink_unicast+0x53b/0x810
[  581.934557][ T8384]  ? netlink_attachskb+0x880/0x880
[  581.939663][ T8384]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  581.945548][ T8384]  ? __phys_addr_symbol+0x30/0x70
[  581.950562][ T8384]  ? __check_object_size+0x323/0x730
[  581.955845][ T8384]  netlink_sendmsg+0x93c/0xe40
[  581.960627][ T8384]  ? netlink_unicast+0x810/0x810
[  581.965572][ T8384]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  581.970850][ T8384]  ? netlink_unicast+0x810/0x810
[  581.975780][ T8384]  __sock_sendmsg+0xd5/0x180
[  581.980372][ T8384]  ____sys_sendmsg+0x6ac/0x940
[  581.985148][ T8384]  ? copy_msghdr_from_user+0x10b/0x160
[  581.990620][ T8384]  ? kernel_sendmsg+0x50/0x50
[  581.995307][ T8384]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  582.001282][ T8384]  ___sys_sendmsg+0x135/0x1d0
[  582.005952][ T8384]  ? do_recvmmsg+0x740/0x740
[  582.010557][ T8384]  ? find_held_lock+0x2d/0x110
[  582.015320][ T8384]  ? preempt_count_sub+0x160/0x160
[  582.020425][ T8384]  ? __fget_light+0x1fc/0x260
[  582.025095][ T8384]  __sys_sendmsg+0x117/0x1e0
[  582.029676][ T8384]  ? __sys_sendmsg_sock+0x30/0x30
[  582.034703][ T8384]  ? xfd_validate_state+0x5d/0x180
[  582.039843][ T8384]  ? syscall_enter_from_user_mode+0x7f/0x120
[  582.045837][ T8384]  do_syscall_64+0x40/0x110
[  582.050334][ T8384]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  582.056221][ T8384] RIP: 0033:0x7ff3fd6020b9
[  582.060635][ T8384] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  582.080240][ T8384] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  582.088642][ T8384] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  582.096608][ T8384] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  582.104592][ T8384] RBP: 000000000008dc57 R08: 0000000000000000 R09: 0000000000000006
[  582.112577][ T8384] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  582.120541][ T8384] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  582.128511][ T8384]  </TASK>
[  582.133169][ T8384] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  582.183434][ T8384] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  582.192698][ T8384] CPU: 0 PID: 8384 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  582.203152][ T8384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  582.213194][ T8384] Call Trace:
[  582.216465][ T8384]  <TASK>
[  582.219402][ T8384]  dump_stack_lvl+0x125/0x1b0
[  582.224091][ T8384]  sysfs_warn_dup+0x7f/0xa0
[  582.228602][ T8384]  sysfs_create_dir_ns+0x249/0x2b0
[  582.233707][ T8384]  ? sysfs_create_mount_point+0xb0/0xb0
[  582.239242][ T8384]  ? spin_bug+0x1d0/0x1d0
[  582.243561][ T8384]  ? net_namespace+0x12/0x40
[  582.248143][ T8384]  ? device_namespace+0x8d/0xc0
[  582.252991][ T8384]  kobject_add_internal+0x2c8/0x970
[  582.258184][ T8384]  kobject_add+0x16f/0x240
[  582.262620][ T8384]  ? kset_create_and_add+0x190/0x190
[  582.267896][ T8384]  ? do_raw_spin_unlock+0x173/0x230
[  582.273080][ T8384]  ? kobject_put+0xbe/0x440
[  582.277577][ T8384]  ? device_add+0xc35/0x1aa0
[  582.282161][ T8384]  device_add+0x289/0x1aa0
[  582.286569][ T8384]  ? device_initialize+0x510/0x510
[  582.291680][ T8384]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  582.298557][ T8384]  ? __init_waitqueue_head+0xca/0x150
[  582.303930][ T8384]  netdev_register_kobject+0x183/0x3f0
[  582.309401][ T8384]  register_netdevice+0xbe6/0x14b0
[  582.314510][ T8384]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  582.320399][ T8384]  ? validate_linkmsg+0x6fc/0x9c0
[  582.325418][ T8384]  br_dev_newlink+0x27/0x110
[  582.329999][ T8384]  ? br_changelink+0x1760/0x1760
[  582.334931][ T8384]  __rtnl_newlink+0x1173/0x1930
[  582.339780][ T8384]  ? rtnl_link_unregister+0x260/0x260
[  582.345162][ T8384]  rtnl_newlink+0x67/0xa0
[  582.349485][ T8384]  ? __rtnl_newlink+0x1930/0x1930
[  582.354528][ T8384]  rtnetlink_rcv_msg+0x3c7/0xe00
[  582.359456][ T8384]  ? rtnl_fill_vf+0x4a0/0x4a0
[  582.364137][ T8384]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  582.370121][ T8384]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  582.376103][ T8384]  netlink_rcv_skb+0x16b/0x440
[  582.380863][ T8384]  ? rtnl_fill_vf+0x4a0/0x4a0
[  582.385534][ T8384]  ? netlink_ack+0x1380/0x1380
[  582.390311][ T8384]  ? lock_sync+0x190/0x190
[  582.394750][ T8384]  ? netlink_deliver_tap+0x1a0/0xd00
[  582.400032][ T8384]  ? _copy_from_iter+0x2c1/0x10f0
[  582.405053][ T8384]  netlink_unicast+0x53b/0x810
[  582.409810][ T8384]  ? netlink_attachskb+0x880/0x880
[  582.414913][ T8384]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  582.420810][ T8384]  ? __phys_addr_symbol+0x30/0x70
[  582.425832][ T8384]  ? __check_object_size+0x323/0x730
[  582.431107][ T8384]  netlink_sendmsg+0x93c/0xe40
[  582.435867][ T8384]  ? netlink_unicast+0x810/0x810
[  582.440802][ T8384]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  582.446078][ T8384]  ? netlink_unicast+0x810/0x810
[  582.451010][ T8384]  __sock_sendmsg+0xd5/0x180
[  582.455594][ T8384]  ____sys_sendmsg+0x6ac/0x940
[  582.460359][ T8384]  ? copy_msghdr_from_user+0x10b/0x160
[  582.465812][ T8384]  ? kernel_sendmsg+0x50/0x50
[  582.470482][ T8384]  ? hlock_class+0x4e/0x130
[  582.474981][ T8384]  ? __lock_acquire+0x14e0/0x3b10
[  582.480001][ T8384]  ___sys_sendmsg+0x135/0x1d0
[  582.484676][ T8384]  ? do_recvmmsg+0x740/0x740
[  582.489273][ T8384]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  582.495276][ T8384]  ? find_held_lock+0x2d/0x110
[  582.500067][ T8384]  ? __fget_light+0x1fc/0x260
[  582.504741][ T8384]  __sys_sendmsg+0x117/0x1e0
[  582.509328][ T8384]  ? __sys_sendmsg_sock+0x30/0x30
[  582.514343][ T8384]  ? xfd_validate_state+0x5d/0x180
[  582.519457][ T8384]  ? syscall_enter_from_user_mode+0x7f/0x120
[  582.525435][ T8384]  do_syscall_64+0x40/0x110
[  582.529932][ T8384]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  582.535824][ T8384] RIP: 0033:0x7ff3fd6020b9
[  582.540256][ T8384] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  582.559878][ T8384] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  582.568294][ T8384] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  582.576270][ T8384] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  582.584235][ T8384] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  582.592212][ T8384] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  582.600183][ T8384] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  582.608157][ T8384]  </TASK>
[  582.611594][ T8384] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  582.668410][ T8385] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  582.678609][ T8385] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  582.687883][ T8385] CPU: 0 PID: 8385 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  582.698328][ T8385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  582.708375][ T8385] Call Trace:
[  582.711663][ T8385]  <TASK>
[  582.714589][ T8385]  dump_stack_lvl+0x125/0x1b0
[  582.719262][ T8385]  sysfs_warn_dup+0x7f/0xa0
[  582.723763][ T8385]  sysfs_create_dir_ns+0x249/0x2b0
[  582.728873][ T8385]  ? sysfs_create_mount_point+0xb0/0xb0
[  582.734415][ T8385]  ? spin_bug+0x1d0/0x1d0
[  582.738739][ T8385]  ? net_namespace+0x12/0x40
[  582.743322][ T8385]  ? device_namespace+0x8d/0xc0
[  582.748180][ T8385]  kobject_add_internal+0x2c8/0x970
[  582.753383][ T8385]  kobject_add+0x16f/0x240
[  582.757836][ T8385]  ? kset_create_and_add+0x190/0x190
[  582.763145][ T8385]  ? do_raw_spin_unlock+0x173/0x230
[  582.768353][ T8385]  ? kobject_put+0xbe/0x440
[  582.772870][ T8385]  ? device_add+0xc35/0x1aa0
[  582.777495][ T8385]  device_add+0x289/0x1aa0
[  582.781925][ T8385]  ? device_initialize+0x510/0x510
[  582.787030][ T8385]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  582.793883][ T8385]  ? __init_waitqueue_head+0xca/0x150
[  582.799259][ T8385]  netdev_register_kobject+0x183/0x3f0
[  582.804730][ T8385]  register_netdevice+0xbe6/0x14b0
[  582.809846][ T8385]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  582.815767][ T8385]  ? validate_linkmsg+0x6fc/0x9c0
[  582.820832][ T8385]  br_dev_newlink+0x27/0x110
[  582.825445][ T8385]  ? br_changelink+0x1760/0x1760
[  582.830383][ T8385]  __rtnl_newlink+0x1173/0x1930
[  582.835257][ T8385]  ? rtnl_link_unregister+0x260/0x260
[  582.840660][ T8385]  rtnl_newlink+0x67/0xa0
[  582.844993][ T8385]  ? __rtnl_newlink+0x1930/0x1930
[  582.850018][ T8385]  rtnetlink_rcv_msg+0x3c7/0xe00
[  582.854996][ T8385]  ? rtnl_fill_vf+0x4a0/0x4a0
[  582.859673][ T8385]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  582.865655][ T8385]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  582.871649][ T8385]  netlink_rcv_skb+0x16b/0x440
[  582.876414][ T8385]  ? rtnl_fill_vf+0x4a0/0x4a0
[  582.881091][ T8385]  ? netlink_ack+0x1380/0x1380
[  582.885856][ T8385]  ? lock_sync+0x190/0x190
[  582.890281][ T8385]  ? netlink_deliver_tap+0x1a0/0xd00
[  582.895568][ T8385]  ? _copy_from_iter+0x2c1/0x10f0
[  582.900601][ T8385]  netlink_unicast+0x53b/0x810
[  582.905414][ T8385]  ? netlink_attachskb+0x880/0x880
[  582.910549][ T8385]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  582.916458][ T8385]  ? __phys_addr_symbol+0x30/0x70
[  582.921491][ T8385]  ? __check_object_size+0x323/0x730
[  582.926781][ T8385]  netlink_sendmsg+0x93c/0xe40
[  582.931564][ T8385]  ? netlink_unicast+0x810/0x810
[  582.936511][ T8385]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  582.941810][ T8385]  ? netlink_unicast+0x810/0x810
[  582.946782][ T8385]  __sock_sendmsg+0xd5/0x180
[  582.951376][ T8385]  ____sys_sendmsg+0x6ac/0x940
[  582.956140][ T8385]  ? copy_msghdr_from_user+0x10b/0x160
[  582.961606][ T8385]  ? kernel_sendmsg+0x50/0x50
[  582.966289][ T8385]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  582.972283][ T8385]  ___sys_sendmsg+0x135/0x1d0
[  582.976968][ T8385]  ? do_recvmmsg+0x740/0x740
[  582.981559][ T8385]  ? find_held_lock+0x2d/0x110
[  582.986418][ T8385]  ? preempt_count_sub+0x160/0x160
[  582.991537][ T8385]  ? __fget_light+0x1fc/0x260
[  582.996211][ T8385]  __sys_sendmsg+0x117/0x1e0
[  583.000805][ T8385]  ? __sys_sendmsg_sock+0x30/0x30
[  583.005852][ T8385]  ? xfd_validate_state+0x5d/0x180
[  583.010983][ T8385]  ? syscall_enter_from_user_mode+0x7f/0x120
[  583.016976][ T8385]  do_syscall_64+0x40/0x110
[  583.021483][ T8385]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  583.027382][ T8385] RIP: 0033:0x7ff3fd6020b9
[  583.031794][ T8385] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  583.051408][ T8385] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  583.059815][ T8385] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  583.067782][ T8385] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  583.075748][ T8385] RBP: 000000000008e02b R08: 0000000000000000 R09: 0000000000000006
[  583.083713][ T8385] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  583.091684][ T8385] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  583.099658][ T8385]  </TASK>
[  583.106407][ T8385] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  583.153347][ T8385] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  583.162551][ T8385] CPU: 0 PID: 8385 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  583.172970][ T8385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  583.183017][ T8385] Call Trace:
[  583.186292][ T8385]  <TASK>
[  583.189212][ T8385]  dump_stack_lvl+0x125/0x1b0
[  583.193882][ T8385]  sysfs_warn_dup+0x7f/0xa0
[  583.198424][ T8385]  sysfs_create_dir_ns+0x249/0x2b0
[  583.203538][ T8385]  ? sysfs_create_mount_point+0xb0/0xb0
[  583.209077][ T8385]  ? spin_bug+0x1d0/0x1d0
[  583.213401][ T8385]  ? net_namespace+0x12/0x40
[  583.217982][ T8385]  ? device_namespace+0x8d/0xc0
[  583.222844][ T8385]  kobject_add_internal+0x2c8/0x970
[  583.228065][ T8385]  kobject_add+0x16f/0x240
[  583.232483][ T8385]  ? kset_create_and_add+0x190/0x190
[  583.237783][ T8385]  ? do_raw_spin_unlock+0x173/0x230
[  583.243000][ T8385]  ? kobject_put+0xbe/0x440
[  583.247517][ T8385]  ? device_add+0xc35/0x1aa0
[  583.252104][ T8385]  device_add+0x289/0x1aa0
[  583.256513][ T8385]  ? device_initialize+0x510/0x510
[  583.261625][ T8385]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  583.268470][ T8385]  ? __init_waitqueue_head+0xca/0x150
[  583.273845][ T8385]  netdev_register_kobject+0x183/0x3f0
[  583.279310][ T8385]  register_netdevice+0xbe6/0x14b0
[  583.284422][ T8385]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  583.290311][ T8385]  ? validate_linkmsg+0x6fc/0x9c0
[  583.295332][ T8385]  br_dev_newlink+0x27/0x110
[  583.299919][ T8385]  ? br_changelink+0x1760/0x1760
[  583.304849][ T8385]  __rtnl_newlink+0x1173/0x1930
[  583.309709][ T8385]  ? rtnl_link_unregister+0x260/0x260
[  583.315096][ T8385]  rtnl_newlink+0x67/0xa0
[  583.319424][ T8385]  ? __rtnl_newlink+0x1930/0x1930
[  583.324445][ T8385]  rtnetlink_rcv_msg+0x3c7/0xe00
[  583.329382][ T8385]  ? rtnl_fill_vf+0x4a0/0x4a0
[  583.334056][ T8385]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  583.340040][ T8385]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  583.346024][ T8385]  netlink_rcv_skb+0x16b/0x440
[  583.350796][ T8385]  ? rtnl_fill_vf+0x4a0/0x4a0
[  583.355474][ T8385]  ? netlink_ack+0x1380/0x1380
[  583.360233][ T8385]  ? lock_sync+0x190/0x190
[  583.364666][ T8385]  ? netlink_deliver_tap+0x1a0/0xd00
[  583.369949][ T8385]  ? _copy_from_iter+0x2c1/0x10f0
[  583.374975][ T8385]  netlink_unicast+0x53b/0x810
[  583.379741][ T8385]  ? netlink_attachskb+0x880/0x880
[  583.384852][ T8385]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  583.390740][ T8385]  ? __phys_addr_symbol+0x30/0x70
[  583.395763][ T8385]  ? __check_object_size+0x323/0x730
[  583.401072][ T8385]  netlink_sendmsg+0x93c/0xe40
[  583.405839][ T8385]  ? netlink_unicast+0x810/0x810
[  583.410780][ T8385]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  583.416061][ T8385]  ? netlink_unicast+0x810/0x810
[  583.421006][ T8385]  __sock_sendmsg+0xd5/0x180
[  583.425595][ T8385]  ____sys_sendmsg+0x6ac/0x940
[  583.430353][ T8385]  ? copy_msghdr_from_user+0x10b/0x160
[  583.435839][ T8385]  ? kernel_sendmsg+0x50/0x50
[  583.440513][ T8385]  ? hlock_class+0x4e/0x130
[  583.445018][ T8385]  ? __lock_acquire+0x14e0/0x3b10
[  583.450044][ T8385]  ___sys_sendmsg+0x135/0x1d0
[  583.454719][ T8385]  ? do_recvmmsg+0x740/0x740
[  583.459305][ T8385]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  583.465286][ T8385]  ? find_held_lock+0x2d/0x110
[  583.470063][ T8385]  ? __fget_light+0x1fc/0x260
[  583.474738][ T8385]  __sys_sendmsg+0x117/0x1e0
[  583.479326][ T8385]  ? __sys_sendmsg_sock+0x30/0x30
[  583.484349][ T8385]  ? __do_sys_rseq+0x750/0x750
[  583.489117][ T8385]  ? syscall_enter_from_user_mode+0x7f/0x120
[  583.495100][ T8385]  do_syscall_64+0x40/0x110
[  583.499599][ T8385]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  583.505496][ T8385] RIP: 0033:0x7ff3fd6020b9
[  583.509901][ T8385] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  583.529501][ T8385] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  583.537907][ T8385] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  583.545887][ T8385] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  583.553848][ T8385] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  583.561819][ T8385] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  583.569781][ T8385] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  583.577758][ T8385]  </TASK>
[  583.580945][ T8385] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  583.637978][ T8386] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  583.648065][ T8386] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  583.657245][ T8386] CPU: 1 PID: 8386 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  583.667697][ T8386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  583.677743][ T8386] Call Trace:
[  583.681047][ T8386]  <TASK>
[  583.683970][ T8386]  dump_stack_lvl+0x125/0x1b0
[  583.688662][ T8386]  sysfs_warn_dup+0x7f/0xa0
[  583.693203][ T8386]  sysfs_create_dir_ns+0x249/0x2b0
[  583.698335][ T8386]  ? sysfs_create_mount_point+0xb0/0xb0
[  583.703880][ T8386]  ? spin_bug+0x1d0/0x1d0
[  583.708204][ T8386]  ? net_namespace+0x12/0x40
[  583.712785][ T8386]  ? device_namespace+0x8d/0xc0
[  583.717634][ T8386]  kobject_add_internal+0x2c8/0x970
[  583.722830][ T8386]  kobject_add+0x16f/0x240
[  583.727240][ T8386]  ? kset_create_and_add+0x190/0x190
[  583.732543][ T8386]  ? do_raw_spin_unlock+0x173/0x230
[  583.737757][ T8386]  ? kobject_put+0xbe/0x440
[  583.742256][ T8386]  ? device_add+0xc35/0x1aa0
[  583.746843][ T8386]  device_add+0x289/0x1aa0
[  583.751409][ T8386]  ? device_initialize+0x510/0x510
[  583.756510][ T8386]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  583.763355][ T8386]  ? __init_waitqueue_head+0xca/0x150
[  583.768731][ T8386]  netdev_register_kobject+0x183/0x3f0
[  583.774204][ T8386]  register_netdevice+0xbe6/0x14b0
[  583.779314][ T8386]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  583.785200][ T8386]  ? validate_linkmsg+0x6fc/0x9c0
[  583.790228][ T8386]  br_dev_newlink+0x27/0x110
[  583.794813][ T8386]  ? br_changelink+0x1760/0x1760
[  583.799752][ T8386]  __rtnl_newlink+0x1173/0x1930
[  583.804635][ T8386]  ? rtnl_link_unregister+0x260/0x260
[  583.810016][ T8386]  rtnl_newlink+0x67/0xa0
[  583.814342][ T8386]  ? __rtnl_newlink+0x1930/0x1930
[  583.819360][ T8386]  rtnetlink_rcv_msg+0x3c7/0xe00
[  583.824296][ T8386]  ? rtnl_fill_vf+0x4a0/0x4a0
[  583.828966][ T8386]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  583.834945][ T8386]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  583.840928][ T8386]  netlink_rcv_skb+0x16b/0x440
[  583.845693][ T8386]  ? rtnl_fill_vf+0x4a0/0x4a0
[  583.850364][ T8386]  ? netlink_ack+0x1380/0x1380
[  583.855121][ T8386]  ? lock_sync+0x190/0x190
[  583.859540][ T8386]  ? netlink_deliver_tap+0x1a0/0xd00
[  583.864823][ T8386]  ? _copy_from_iter+0x2c1/0x10f0
[  583.869846][ T8386]  netlink_unicast+0x53b/0x810
[  583.874615][ T8386]  ? netlink_attachskb+0x880/0x880
[  583.879749][ T8386]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  583.885648][ T8386]  ? __phys_addr_symbol+0x30/0x70
[  583.890676][ T8386]  ? __check_object_size+0x323/0x730
[  583.895963][ T8386]  netlink_sendmsg+0x93c/0xe40
[  583.900741][ T8386]  ? netlink_unicast+0x810/0x810
[  583.905691][ T8386]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  583.910975][ T8386]  ? netlink_unicast+0x810/0x810
[  583.915914][ T8386]  __sock_sendmsg+0xd5/0x180
[  583.920504][ T8386]  ____sys_sendmsg+0x6ac/0x940
[  583.925283][ T8386]  ? copy_msghdr_from_user+0x10b/0x160
[  583.930775][ T8386]  ? kernel_sendmsg+0x50/0x50
[  583.935464][ T8386]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  583.941447][ T8386]  ___sys_sendmsg+0x135/0x1d0
[  583.946126][ T8386]  ? do_recvmmsg+0x740/0x740
[  583.950716][ T8386]  ? find_held_lock+0x2d/0x110
[  583.955486][ T8386]  ? preempt_count_sub+0x160/0x160
[  583.960602][ T8386]  ? __fget_light+0x1fc/0x260
[  583.965313][ T8386]  __sys_sendmsg+0x117/0x1e0
[  583.969922][ T8386]  ? __sys_sendmsg_sock+0x30/0x30
[  583.974947][ T8386]  ? xfd_validate_state+0x5d/0x180
[  583.980070][ T8386]  ? syscall_enter_from_user_mode+0x7f/0x120
[  583.986057][ T8386]  do_syscall_64+0x40/0x110
[  583.990561][ T8386]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  583.996462][ T8386] RIP: 0033:0x7ff3fd6020b9
[  584.000883][ T8386] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  584.020494][ T8386] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  584.028908][ T8386] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  584.036898][ T8386] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  584.044861][ T8386] RBP: 000000000008e3f6 R08: 0000000000000000 R09: 0000000000000006
[  584.052861][ T8386] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  584.060837][ T8386] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  584.068810][ T8386]  </TASK>
[  584.074013][ T8386] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  584.144901][ T8386] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  584.154203][ T8386] CPU: 1 PID: 8386 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  584.164630][ T8386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  584.174676][ T8386] Call Trace:
[  584.177943][ T8386]  <TASK>
[  584.180860][ T8386]  dump_stack_lvl+0x125/0x1b0
[  584.185532][ T8386]  sysfs_warn_dup+0x7f/0xa0
[  584.190020][ T8386]  sysfs_create_dir_ns+0x249/0x2b0
[  584.195123][ T8386]  ? sysfs_create_mount_point+0xb0/0xb0
[  584.200693][ T8386]  ? spin_bug+0x1d0/0x1d0
[  584.205035][ T8386]  ? net_namespace+0x12/0x40
[  584.209629][ T8386]  ? device_namespace+0x8d/0xc0
[  584.214487][ T8386]  kobject_add_internal+0x2c8/0x970
[  584.219697][ T8386]  kobject_add+0x16f/0x240
[  584.224114][ T8386]  ? kset_create_and_add+0x190/0x190
[  584.229405][ T8386]  ? do_raw_spin_unlock+0x173/0x230
[  584.234603][ T8386]  ? kobject_put+0xbe/0x440
[  584.239106][ T8386]  ? device_add+0xc35/0x1aa0
[  584.243696][ T8386]  device_add+0x289/0x1aa0
[  584.248138][ T8386]  ? device_initialize+0x510/0x510
[  584.253241][ T8386]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  584.260091][ T8386]  ? __init_waitqueue_head+0xca/0x150
[  584.265497][ T8386]  netdev_register_kobject+0x183/0x3f0
[  584.270963][ T8386]  register_netdevice+0xbe6/0x14b0
[  584.276078][ T8386]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  584.281970][ T8386]  ? validate_linkmsg+0x6fc/0x9c0
[  584.286993][ T8386]  br_dev_newlink+0x27/0x110
[  584.291583][ T8386]  ? br_changelink+0x1760/0x1760
[  584.296515][ T8386]  __rtnl_newlink+0x1173/0x1930
[  584.301399][ T8386]  ? rtnl_link_unregister+0x260/0x260
[  584.306785][ T8386]  rtnl_newlink+0x67/0xa0
[  584.311112][ T8386]  ? __rtnl_newlink+0x1930/0x1930
[  584.316136][ T8386]  rtnetlink_rcv_msg+0x3c7/0xe00
[  584.321074][ T8386]  ? rtnl_fill_vf+0x4a0/0x4a0
[  584.325754][ T8386]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  584.331734][ T8386]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  584.337723][ T8386]  netlink_rcv_skb+0x16b/0x440
[  584.342487][ T8386]  ? rtnl_fill_vf+0x4a0/0x4a0
[  584.347192][ T8386]  ? netlink_ack+0x1380/0x1380
[  584.351971][ T8386]  ? lock_sync+0x190/0x190
[  584.356399][ T8386]  ? netlink_deliver_tap+0x1a0/0xd00
[  584.361688][ T8386]  ? _copy_from_iter+0x2c1/0x10f0
[  584.366717][ T8386]  netlink_unicast+0x53b/0x810
[  584.371488][ T8386]  ? netlink_attachskb+0x880/0x880
[  584.376601][ T8386]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  584.382500][ T8386]  ? __phys_addr_symbol+0x30/0x70
[  584.387526][ T8386]  ? __check_object_size+0x323/0x730
[  584.392814][ T8386]  netlink_sendmsg+0x93c/0xe40
[  584.397584][ T8386]  ? netlink_unicast+0x810/0x810
[  584.402531][ T8386]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  584.407818][ T8386]  ? netlink_unicast+0x810/0x810
[  584.412763][ T8386]  __sock_sendmsg+0xd5/0x180
[  584.417354][ T8386]  ____sys_sendmsg+0x6ac/0x940
[  584.422117][ T8386]  ? copy_msghdr_from_user+0x10b/0x160
[  584.427575][ T8386]  ? kernel_sendmsg+0x50/0x50
[  584.432257][ T8386]  ___sys_sendmsg+0x135/0x1d0
[  584.436936][ T8386]  ? do_recvmmsg+0x740/0x740
[  584.441523][ T8386]  ? find_held_lock+0x2d/0x110
[  584.446291][ T8386]  ? preempt_count_sub+0x160/0x160
[  584.451405][ T8386]  ? __fget_light+0x1fc/0x260
[  584.456082][ T8386]  __sys_sendmsg+0x117/0x1e0
[  584.460675][ T8386]  ? __sys_sendmsg_sock+0x30/0x30
[  584.465708][ T8386]  ? syscall_enter_from_user_mode+0x7f/0x120
[  584.471690][ T8386]  do_syscall_64+0x40/0x110
[  584.476190][ T8386]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  584.482089][ T8386] RIP: 0033:0x7ff3fd6020b9
[  584.486497][ T8386] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  584.506115][ T8386] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  584.514524][ T8386] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  584.522487][ T8386] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  584.530447][ T8386] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  584.538436][ T8386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  584.546400][ T8386] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  584.554373][ T8386]  </TASK>
[  584.558844][ T8386] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  584.617830][ T8387] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  584.628053][ T8387] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  584.637243][ T8387] CPU: 1 PID: 8387 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  584.647705][ T8387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  584.657771][ T8387] Call Trace:
[  584.661048][ T8387]  <TASK>
[  584.663974][ T8387]  dump_stack_lvl+0x125/0x1b0
[  584.668652][ T8387]  sysfs_warn_dup+0x7f/0xa0
[  584.673150][ T8387]  sysfs_create_dir_ns+0x249/0x2b0
[  584.678256][ T8387]  ? sysfs_create_mount_point+0xb0/0xb0
[  584.683796][ T8387]  ? spin_bug+0x1d0/0x1d0
[  584.688115][ T8387]  ? net_namespace+0x12/0x40
[  584.692700][ T8387]  ? device_namespace+0x8d/0xc0
[  584.697554][ T8387]  kobject_add_internal+0x2c8/0x970
[  584.702759][ T8387]  kobject_add+0x16f/0x240
[  584.707171][ T8387]  ? kset_create_and_add+0x190/0x190
[  584.712455][ T8387]  ? do_raw_spin_unlock+0x173/0x230
[  584.717648][ T8387]  ? kobject_put+0xbe/0x440
[  584.722151][ T8387]  ? device_add+0xc35/0x1aa0
[  584.726738][ T8387]  device_add+0x289/0x1aa0
[  584.731148][ T8387]  ? device_initialize+0x510/0x510
[  584.736249][ T8387]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  584.743099][ T8387]  ? __init_waitqueue_head+0xca/0x150
[  584.748474][ T8387]  netdev_register_kobject+0x183/0x3f0
[  584.753938][ T8387]  register_netdevice+0xbe6/0x14b0
[  584.759049][ T8387]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  584.764939][ T8387]  ? validate_linkmsg+0x6fc/0x9c0
[  584.769958][ T8387]  br_dev_newlink+0x27/0x110
[  584.774545][ T8387]  ? br_changelink+0x1760/0x1760
[  584.779475][ T8387]  __rtnl_newlink+0x1173/0x1930
[  584.784332][ T8387]  ? rtnl_link_unregister+0x260/0x260
[  584.789717][ T8387]  rtnl_newlink+0x67/0xa0
[  584.794043][ T8387]  ? __rtnl_newlink+0x1930/0x1930
[  584.799067][ T8387]  rtnetlink_rcv_msg+0x3c7/0xe00
[  584.804001][ T8387]  ? rtnl_fill_vf+0x4a0/0x4a0
[  584.808672][ T8387]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  584.814653][ T8387]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  584.820645][ T8387]  netlink_rcv_skb+0x16b/0x440
[  584.825408][ T8387]  ? rtnl_fill_vf+0x4a0/0x4a0
[  584.830084][ T8387]  ? netlink_ack+0x1380/0x1380
[  584.834849][ T8387]  ? lock_sync+0x190/0x190
[  584.839277][ T8387]  ? netlink_deliver_tap+0x1a0/0xd00
[  584.844558][ T8387]  ? _copy_from_iter+0x2c1/0x10f0
[  584.849583][ T8387]  netlink_unicast+0x53b/0x810
[  584.854354][ T8387]  ? netlink_attachskb+0x880/0x880
[  584.859460][ T8387]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  584.865374][ T8387]  ? __phys_addr_symbol+0x30/0x70
[  584.870392][ T8387]  ? __check_object_size+0x323/0x730
[  584.875677][ T8387]  netlink_sendmsg+0x93c/0xe40
[  584.880445][ T8387]  ? netlink_unicast+0x810/0x810
[  584.885384][ T8387]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  584.890665][ T8387]  ? netlink_unicast+0x810/0x810
[  584.895601][ T8387]  __sock_sendmsg+0xd5/0x180
[  584.900187][ T8387]  ____sys_sendmsg+0x6ac/0x940
[  584.904944][ T8387]  ? copy_msghdr_from_user+0x10b/0x160
[  584.910401][ T8387]  ? kernel_sendmsg+0x50/0x50
[  584.915077][ T8387]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  584.921064][ T8387]  ___sys_sendmsg+0x135/0x1d0
[  584.925749][ T8387]  ? do_recvmmsg+0x740/0x740
[  584.930332][ T8387]  ? find_held_lock+0x2d/0x110
[  584.935100][ T8387]  ? preempt_count_sub+0x160/0x160
[  584.940215][ T8387]  ? __fget_light+0x1fc/0x260
[  584.944888][ T8387]  __sys_sendmsg+0x117/0x1e0
[  584.949475][ T8387]  ? __sys_sendmsg_sock+0x30/0x30
[  584.954496][ T8387]  ? xfd_validate_state+0x5d/0x180
[  584.959615][ T8387]  ? syscall_enter_from_user_mode+0x7f/0x120
[  584.965602][ T8387]  do_syscall_64+0x40/0x110
[  584.970104][ T8387]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  584.975994][ T8387] RIP: 0033:0x7ff3fd6020b9
[  584.980399][ T8387] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  585.000000][ T8387] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  585.008407][ T8387] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  585.016371][ T8387] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  585.024334][ T8387] RBP: 000000000008e7bf R08: 0000000000000000 R09: 0000000000000006
[  585.032295][ T8387] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  585.040254][ T8387] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  585.048227][ T8387]  </TASK>
[  585.052638][ T8387] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  585.123564][ T8387] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  585.132785][ T8387] CPU: 0 PID: 8387 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  585.143213][ T8387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  585.153259][ T8387] Call Trace:
[  585.156541][ T8387]  <TASK>
[  585.159468][ T8387]  dump_stack_lvl+0x125/0x1b0
[  585.164203][ T8387]  sysfs_warn_dup+0x7f/0xa0
[  585.168702][ T8387]  sysfs_create_dir_ns+0x249/0x2b0
[  585.173893][ T8387]  ? sysfs_create_mount_point+0xb0/0xb0
[  585.179433][ T8387]  ? spin_bug+0x1d0/0x1d0
[  585.183751][ T8387]  ? net_namespace+0x12/0x40
[  585.188340][ T8387]  ? device_namespace+0x8d/0xc0
[  585.193188][ T8387]  kobject_add_internal+0x2c8/0x970
[  585.198382][ T8387]  kobject_add+0x16f/0x240
[  585.202794][ T8387]  ? kset_create_and_add+0x190/0x190
[  585.208072][ T8387]  ? do_raw_spin_unlock+0x173/0x230
[  585.213259][ T8387]  ? kobject_put+0xbe/0x440
[  585.217756][ T8387]  ? device_add+0xc35/0x1aa0
[  585.222342][ T8387]  device_add+0x289/0x1aa0
[  585.226781][ T8387]  ? device_initialize+0x510/0x510
[  585.231895][ T8387]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  585.238746][ T8387]  ? __init_waitqueue_head+0xca/0x150
[  585.244114][ T8387]  netdev_register_kobject+0x183/0x3f0
[  585.249589][ T8387]  register_netdevice+0xbe6/0x14b0
[  585.254701][ T8387]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  585.260593][ T8387]  ? validate_linkmsg+0x6fc/0x9c0
[  585.265630][ T8387]  br_dev_newlink+0x27/0x110
[  585.270212][ T8387]  ? br_changelink+0x1760/0x1760
[  585.275145][ T8387]  __rtnl_newlink+0x1173/0x1930
[  585.279998][ T8387]  ? rtnl_link_unregister+0x260/0x260
[  585.285373][ T8387]  rtnl_newlink+0x67/0xa0
[  585.289694][ T8387]  ? __rtnl_newlink+0x1930/0x1930
[  585.294708][ T8387]  rtnetlink_rcv_msg+0x3c7/0xe00
[  585.299647][ T8387]  ? rtnl_fill_vf+0x4a0/0x4a0
[  585.304316][ T8387]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  585.310294][ T8387]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  585.316285][ T8387]  netlink_rcv_skb+0x16b/0x440
[  585.321048][ T8387]  ? rtnl_fill_vf+0x4a0/0x4a0
[  585.325716][ T8387]  ? netlink_ack+0x1380/0x1380
[  585.330476][ T8387]  ? lock_sync+0x190/0x190
[  585.334918][ T8387]  ? netlink_deliver_tap+0x1a0/0xd00
[  585.340194][ T8387]  ? _copy_from_iter+0x2c1/0x10f0
[  585.345219][ T8387]  netlink_unicast+0x53b/0x810
[  585.349982][ T8387]  ? netlink_attachskb+0x880/0x880
[  585.355104][ T8387]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  585.361021][ T8387]  ? __phys_addr_symbol+0x30/0x70
[  585.366037][ T8387]  ? __check_object_size+0x323/0x730
[  585.371313][ T8387]  netlink_sendmsg+0x93c/0xe40
[  585.376073][ T8387]  ? netlink_unicast+0x810/0x810
[  585.381007][ T8387]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  585.386294][ T8387]  ? netlink_unicast+0x810/0x810
[  585.391255][ T8387]  __sock_sendmsg+0xd5/0x180
[  585.395873][ T8387]  ____sys_sendmsg+0x6ac/0x940
[  585.400656][ T8387]  ? copy_msghdr_from_user+0x10b/0x160
[  585.406118][ T8387]  ? kernel_sendmsg+0x50/0x50
[  585.410792][ T8387]  ? hlock_class+0x4e/0x130
[  585.415338][ T8387]  ? __lock_acquire+0x14e0/0x3b10
[  585.420368][ T8387]  ___sys_sendmsg+0x135/0x1d0
[  585.425045][ T8387]  ? do_recvmmsg+0x740/0x740
[  585.429625][ T8387]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  585.435618][ T8387]  ? find_held_lock+0x2d/0x110
[  585.440385][ T8387]  ? __fget_light+0x1fc/0x260
[  585.445053][ T8387]  __sys_sendmsg+0x117/0x1e0
[  585.449638][ T8387]  ? __sys_sendmsg_sock+0x30/0x30
[  585.454654][ T8387]  ? xfd_validate_state+0x5d/0x180
[  585.459799][ T8387]  ? syscall_enter_from_user_mode+0x7f/0x120
[  585.465784][ T8387]  do_syscall_64+0x40/0x110
[  585.470449][ T8387]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  585.476336][ T8387] RIP: 0033:0x7ff3fd6020b9
[  585.480753][ T8387] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  585.500377][ T8387] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  585.508787][ T8387] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  585.516757][ T8387] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  585.524724][ T8387] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  585.532687][ T8387] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  585.540661][ T8387] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  585.548655][ T8387]  </TASK>
[  585.552125][ T8387] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  585.607253][ T8388] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  585.617449][ T8388] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  585.626640][ T8388] CPU: 0 PID: 8388 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  585.637076][ T8388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  585.647130][ T8388] Call Trace:
[  585.650405][ T8388]  <TASK>
[  585.653342][ T8388]  dump_stack_lvl+0x125/0x1b0
[  585.658062][ T8388]  sysfs_warn_dup+0x7f/0xa0
[  585.662560][ T8388]  sysfs_create_dir_ns+0x249/0x2b0
[  585.667667][ T8388]  ? sysfs_create_mount_point+0xb0/0xb0
[  585.673208][ T8388]  ? spin_bug+0x1d0/0x1d0
[  585.677529][ T8388]  ? net_namespace+0x12/0x40
[  585.682117][ T8388]  ? device_namespace+0x8d/0xc0
[  585.686976][ T8388]  kobject_add_internal+0x2c8/0x970
[  585.692179][ T8388]  kobject_add+0x16f/0x240
[  585.696596][ T8388]  ? kset_create_and_add+0x190/0x190
[  585.701877][ T8388]  ? do_raw_spin_unlock+0x173/0x230
[  585.707071][ T8388]  ? kobject_put+0xbe/0x440
[  585.711572][ T8388]  ? device_add+0xc35/0x1aa0
[  585.716160][ T8388]  device_add+0x289/0x1aa0
[  585.720576][ T8388]  ? device_initialize+0x510/0x510
[  585.725685][ T8388]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  585.732567][ T8388]  ? __init_waitqueue_head+0xca/0x150
[  585.737945][ T8388]  netdev_register_kobject+0x183/0x3f0
[  585.743409][ T8388]  register_netdevice+0xbe6/0x14b0
[  585.748523][ T8388]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  585.754416][ T8388]  ? validate_linkmsg+0x6fc/0x9c0
[  585.759436][ T8388]  br_dev_newlink+0x27/0x110
[  585.764024][ T8388]  ? br_changelink+0x1760/0x1760
[  585.768962][ T8388]  __rtnl_newlink+0x1173/0x1930
[  585.773819][ T8388]  ? rtnl_link_unregister+0x260/0x260
[  585.779202][ T8388]  rtnl_newlink+0x67/0xa0
[  585.783530][ T8388]  ? __rtnl_newlink+0x1930/0x1930
[  585.788556][ T8388]  rtnetlink_rcv_msg+0x3c7/0xe00
[  585.793495][ T8388]  ? rtnl_fill_vf+0x4a0/0x4a0
[  585.798173][ T8388]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  585.804154][ T8388]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  585.810144][ T8388]  netlink_rcv_skb+0x16b/0x440
[  585.814914][ T8388]  ? rtnl_fill_vf+0x4a0/0x4a0
[  585.819616][ T8388]  ? netlink_ack+0x1380/0x1380
[  585.824379][ T8388]  ? lock_sync+0x190/0x190
[  585.828805][ T8388]  ? netlink_deliver_tap+0x1a0/0xd00
[  585.834089][ T8388]  ? _copy_from_iter+0x2c1/0x10f0
[  585.839121][ T8388]  netlink_unicast+0x53b/0x810
[  585.843892][ T8388]  ? netlink_attachskb+0x880/0x880
[  585.849002][ T8388]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  585.854902][ T8388]  ? __phys_addr_symbol+0x30/0x70
[  585.859923][ T8388]  ? __check_object_size+0x323/0x730
[  585.865414][ T8388]  netlink_sendmsg+0x93c/0xe40
[  585.870196][ T8388]  ? netlink_unicast+0x810/0x810
[  585.875140][ T8388]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  585.880423][ T8388]  ? netlink_unicast+0x810/0x810
[  585.885362][ T8388]  __sock_sendmsg+0xd5/0x180
[  585.889985][ T8388]  ____sys_sendmsg+0x6ac/0x940
[  585.894760][ T8388]  ? copy_msghdr_from_user+0x10b/0x160
[  585.900217][ T8388]  ? kernel_sendmsg+0x50/0x50
[  585.904896][ T8388]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  585.910880][ T8388]  ___sys_sendmsg+0x135/0x1d0
[  585.915579][ T8388]  ? do_recvmmsg+0x740/0x740
[  585.920168][ T8388]  ? find_held_lock+0x2d/0x110
[  585.924942][ T8388]  ? preempt_count_sub+0x160/0x160
[  585.930056][ T8388]  ? __fget_light+0x1fc/0x260
[  585.934734][ T8388]  __sys_sendmsg+0x117/0x1e0
[  585.939323][ T8388]  ? __sys_sendmsg_sock+0x30/0x30
[  585.944342][ T8388]  ? xfd_validate_state+0x5d/0x180
[  585.949484][ T8388]  ? syscall_enter_from_user_mode+0x7f/0x120
[  585.955468][ T8388]  do_syscall_64+0x40/0x110
[  585.959965][ T8388]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  585.965859][ T8388] RIP: 0033:0x7ff3fd6020b9
[  585.970263][ T8388] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  585.989895][ T8388] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  585.998308][ T8388] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  586.006274][ T8388] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  586.014235][ T8388] RBP: 000000000008eb92 R08: 0000000000000000 R09: 0000000000000006
[  586.022199][ T8388] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  586.030170][ T8388] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  586.038148][ T8388]  </TASK>
[  586.042975][ T8388] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  586.093503][ T8388] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  586.102806][ T8388] CPU: 0 PID: 8388 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  586.113245][ T8388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  586.123299][ T8388] Call Trace:
[  586.126580][ T8388]  <TASK>
[  586.129509][ T8388]  dump_stack_lvl+0x125/0x1b0
[  586.134187][ T8388]  sysfs_warn_dup+0x7f/0xa0
[  586.138701][ T8388]  sysfs_create_dir_ns+0x249/0x2b0
[  586.143822][ T8388]  ? sysfs_create_mount_point+0xb0/0xb0
[  586.149372][ T8388]  ? spin_bug+0x1d0/0x1d0
[  586.153718][ T8388]  ? net_namespace+0x12/0x40
[  586.158307][ T8388]  ? device_namespace+0x8d/0xc0
[  586.163171][ T8388]  kobject_add_internal+0x2c8/0x970
[  586.168382][ T8388]  kobject_add+0x16f/0x240
[  586.172803][ T8388]  ? kset_create_and_add+0x190/0x190
[  586.178120][ T8388]  ? do_raw_spin_unlock+0x173/0x230
[  586.183334][ T8388]  ? kobject_put+0xbe/0x440
[  586.187847][ T8388]  ? device_add+0xc35/0x1aa0
[  586.192441][ T8388]  device_add+0x289/0x1aa0
[  586.196858][ T8388]  ? device_initialize+0x510/0x510
[  586.201965][ T8388]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  586.208819][ T8388]  ? __init_waitqueue_head+0xca/0x150
[  586.214200][ T8388]  netdev_register_kobject+0x183/0x3f0
[  586.219666][ T8388]  register_netdevice+0xbe6/0x14b0
[  586.224785][ T8388]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  586.230683][ T8388]  ? validate_linkmsg+0x6fc/0x9c0
[  586.235707][ T8388]  br_dev_newlink+0x27/0x110
[  586.240296][ T8388]  ? br_changelink+0x1760/0x1760
[  586.245228][ T8388]  __rtnl_newlink+0x1173/0x1930
[  586.250084][ T8388]  ? rtnl_link_unregister+0x260/0x260
[  586.255472][ T8388]  rtnl_newlink+0x67/0xa0
[  586.259800][ T8388]  ? __rtnl_newlink+0x1930/0x1930
[  586.264827][ T8388]  rtnetlink_rcv_msg+0x3c7/0xe00
[  586.269764][ T8388]  ? rtnl_fill_vf+0x4a0/0x4a0
[  586.274437][ T8388]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  586.280418][ T8388]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  586.286405][ T8388]  netlink_rcv_skb+0x16b/0x440
[  586.291200][ T8388]  ? rtnl_fill_vf+0x4a0/0x4a0
[  586.295877][ T8388]  ? netlink_ack+0x1380/0x1380
[  586.300640][ T8388]  ? lock_sync+0x190/0x190
[  586.305068][ T8388]  ? netlink_deliver_tap+0x1a0/0xd00
[  586.310351][ T8388]  ? _copy_from_iter+0x2c1/0x10f0
[  586.315381][ T8388]  netlink_unicast+0x53b/0x810
[  586.320151][ T8388]  ? netlink_attachskb+0x880/0x880
[  586.325262][ T8388]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  586.331153][ T8388]  ? __phys_addr_symbol+0x30/0x70
[  586.336176][ T8388]  ? __check_object_size+0x323/0x730
[  586.341457][ T8388]  netlink_sendmsg+0x93c/0xe40
[  586.346223][ T8388]  ? netlink_unicast+0x810/0x810
[  586.351167][ T8388]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  586.356447][ T8388]  ? netlink_unicast+0x810/0x810
[  586.361388][ T8388]  __sock_sendmsg+0xd5/0x180
[  586.365975][ T8388]  ____sys_sendmsg+0x6ac/0x940
[  586.370738][ T8388]  ? copy_msghdr_from_user+0x10b/0x160
[  586.376196][ T8388]  ? kernel_sendmsg+0x50/0x50
[  586.380873][ T8388]  ? hlock_class+0x4e/0x130
[  586.385372][ T8388]  ? __lock_acquire+0x14e0/0x3b10
[  586.390399][ T8388]  ___sys_sendmsg+0x135/0x1d0
[  586.395080][ T8388]  ? do_recvmmsg+0x740/0x740
[  586.399667][ T8388]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  586.405650][ T8388]  ? find_held_lock+0x2d/0x110
[  586.410435][ T8388]  ? __fget_light+0x1fc/0x260
[  586.415109][ T8388]  __sys_sendmsg+0x117/0x1e0
[  586.419702][ T8388]  ? __sys_sendmsg_sock+0x30/0x30
[  586.424729][ T8388]  ? __do_sys_rseq+0x750/0x750
[  586.429501][ T8388]  ? syscall_enter_from_user_mode+0x7f/0x120
[  586.435484][ T8388]  do_syscall_64+0x40/0x110
[  586.439987][ T8388]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  586.445880][ T8388] RIP: 0033:0x7ff3fd6020b9
[  586.450286][ T8388] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  586.469896][ T8388] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  586.478307][ T8388] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  586.486273][ T8388] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  586.494238][ T8388] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  586.502202][ T8388] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  586.510166][ T8388] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  586.518141][ T8388]  </TASK>
[  586.521521][ T8388] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  586.587461][ T8389] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  586.597656][ T8389] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  586.606839][ T8389] CPU: 0 PID: 8389 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  586.617271][ T8389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  586.627319][ T8389] Call Trace:
[  586.630597][ T8389]  <TASK>
[  586.633545][ T8389]  dump_stack_lvl+0x125/0x1b0
[  586.638221][ T8389]  sysfs_warn_dup+0x7f/0xa0
[  586.642723][ T8389]  sysfs_create_dir_ns+0x249/0x2b0
[  586.647836][ T8389]  ? sysfs_create_mount_point+0xb0/0xb0
[  586.653380][ T8389]  ? spin_bug+0x1d0/0x1d0
[  586.657705][ T8389]  ? net_namespace+0x12/0x40
[  586.662293][ T8389]  ? device_namespace+0x8d/0xc0
[  586.667156][ T8389]  kobject_add_internal+0x2c8/0x970
[  586.672366][ T8389]  kobject_add+0x16f/0x240
[  586.676780][ T8389]  ? kset_create_and_add+0x190/0x190
[  586.682099][ T8389]  ? do_raw_spin_unlock+0x173/0x230
[  586.687290][ T8389]  ? kobject_put+0xbe/0x440
[  586.691794][ T8389]  ? device_add+0xc35/0x1aa0
[  586.696388][ T8389]  device_add+0x289/0x1aa0
[  586.700833][ T8389]  ? device_initialize+0x510/0x510
[  586.705941][ T8389]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  586.712796][ T8389]  ? __init_waitqueue_head+0xca/0x150
[  586.718171][ T8389]  netdev_register_kobject+0x183/0x3f0
[  586.723644][ T8389]  register_netdevice+0xbe6/0x14b0
[  586.728760][ T8389]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  586.734653][ T8389]  ? validate_linkmsg+0x6fc/0x9c0
[  586.739676][ T8389]  br_dev_newlink+0x27/0x110
[  586.744262][ T8389]  ? br_changelink+0x1760/0x1760
[  586.749197][ T8389]  __rtnl_newlink+0x1173/0x1930
[  586.754054][ T8389]  ? rtnl_link_unregister+0x260/0x260
[  586.759471][ T8389]  rtnl_newlink+0x67/0xa0
[  586.763831][ T8389]  ? __rtnl_newlink+0x1930/0x1930
[  586.768877][ T8389]  rtnetlink_rcv_msg+0x3c7/0xe00
[  586.773848][ T8389]  ? rtnl_fill_vf+0x4a0/0x4a0
[  586.778524][ T8389]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  586.784510][ T8389]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  586.790534][ T8389]  netlink_rcv_skb+0x16b/0x440
[  586.795325][ T8389]  ? rtnl_fill_vf+0x4a0/0x4a0
[  586.800007][ T8389]  ? netlink_ack+0x1380/0x1380
[  586.804782][ T8389]  ? lock_sync+0x190/0x190
[  586.809219][ T8389]  ? netlink_deliver_tap+0x1a0/0xd00
[  586.814514][ T8389]  ? _copy_from_iter+0x2c1/0x10f0
[  586.819576][ T8389]  netlink_unicast+0x53b/0x810
[  586.824374][ T8389]  ? netlink_attachskb+0x880/0x880
[  586.829495][ T8389]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  586.835395][ T8389]  ? __phys_addr_symbol+0x30/0x70
[  586.840421][ T8389]  ? __check_object_size+0x323/0x730
[  586.845710][ T8389]  netlink_sendmsg+0x93c/0xe40
[  586.850489][ T8389]  ? netlink_unicast+0x810/0x810
[  586.855443][ T8389]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  586.860738][ T8389]  ? netlink_unicast+0x810/0x810
[  586.865684][ T8389]  __sock_sendmsg+0xd5/0x180
[  586.870277][ T8389]  ____sys_sendmsg+0x6ac/0x940
[  586.875042][ T8389]  ? copy_msghdr_from_user+0x10b/0x160
[  586.880508][ T8389]  ? kernel_sendmsg+0x50/0x50
[  586.885192][ T8389]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  586.891185][ T8389]  ___sys_sendmsg+0x135/0x1d0
[  586.895874][ T8389]  ? do_recvmmsg+0x740/0x740
[  586.900462][ T8389]  ? find_held_lock+0x2d/0x110
[  586.905242][ T8389]  ? preempt_count_sub+0x160/0x160
[  586.910370][ T8389]  ? __fget_light+0x1fc/0x260
[  586.915053][ T8389]  __sys_sendmsg+0x117/0x1e0
[  586.919653][ T8389]  ? __sys_sendmsg_sock+0x30/0x30
[  586.924695][ T8389]  ? syscall_enter_from_user_mode+0x7f/0x120
[  586.930688][ T8389]  do_syscall_64+0x40/0x110
[  586.935221][ T8389]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  586.941126][ T8389] RIP: 0033:0x7ff3fd6020b9
[  586.945537][ T8389] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  586.965151][ T8389] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  586.973567][ T8389] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  586.981537][ T8389] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  586.989510][ T8389] RBP: 000000000008ef70 R08: 0000000000000000 R09: 0000000000000006
[  586.997485][ T8389] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  587.005454][ T8389] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  587.013439][ T8389]  </TASK>
[  587.016883][ T8389] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  587.073476][ T8389] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  587.082717][ T8389] CPU: 0 PID: 8389 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  587.093167][ T8389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  587.103213][ T8389] Call Trace:
[  587.106487][ T8389]  <TASK>
[  587.109410][ T8389]  dump_stack_lvl+0x125/0x1b0
[  587.114090][ T8389]  sysfs_warn_dup+0x7f/0xa0
[  587.118589][ T8389]  sysfs_create_dir_ns+0x249/0x2b0
[  587.123714][ T8389]  ? sysfs_create_mount_point+0xb0/0xb0
[  587.129288][ T8389]  ? spin_bug+0x1d0/0x1d0
[  587.133616][ T8389]  ? net_namespace+0x12/0x40
[  587.138209][ T8389]  ? device_namespace+0x8d/0xc0
[  587.143097][ T8389]  kobject_add_internal+0x2c8/0x970
[  587.148303][ T8389]  kobject_add+0x16f/0x240
[  587.152720][ T8389]  ? kset_create_and_add+0x190/0x190
[  587.158005][ T8389]  ? do_raw_spin_unlock+0x173/0x230
[  587.163194][ T8389]  ? kobject_put+0xbe/0x440
[  587.167728][ T8389]  ? device_add+0xc35/0x1aa0
[  587.172332][ T8389]  device_add+0x289/0x1aa0
[  587.176746][ T8389]  ? device_initialize+0x510/0x510
[  587.181857][ T8389]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  587.188706][ T8389]  ? __init_waitqueue_head+0xca/0x150
[  587.194080][ T8389]  netdev_register_kobject+0x183/0x3f0
[  587.199549][ T8389]  register_netdevice+0xbe6/0x14b0
[  587.204661][ T8389]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  587.210554][ T8389]  ? validate_linkmsg+0x6fc/0x9c0
[  587.215579][ T8389]  br_dev_newlink+0x27/0x110
[  587.220167][ T8389]  ? br_changelink+0x1760/0x1760
[  587.225098][ T8389]  __rtnl_newlink+0x1173/0x1930
[  587.229958][ T8389]  ? rtnl_link_unregister+0x260/0x260
[  587.235343][ T8389]  rtnl_newlink+0x67/0xa0
[  587.239669][ T8389]  ? __rtnl_newlink+0x1930/0x1930
[  587.244692][ T8389]  rtnetlink_rcv_msg+0x3c7/0xe00
[  587.249628][ T8389]  ? rtnl_fill_vf+0x4a0/0x4a0
[  587.254303][ T8389]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  587.260282][ T8389]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  587.266266][ T8389]  netlink_rcv_skb+0x16b/0x440
[  587.271057][ T8389]  ? rtnl_fill_vf+0x4a0/0x4a0
[  587.275787][ T8389]  ? netlink_ack+0x1380/0x1380
[  587.280586][ T8389]  ? lock_sync+0x190/0x190
[  587.285041][ T8389]  ? netlink_deliver_tap+0x1a0/0xd00
[  587.290366][ T8389]  ? _copy_from_iter+0x2c1/0x10f0
[  587.295405][ T8389]  netlink_unicast+0x53b/0x810
[  587.300174][ T8389]  ? netlink_attachskb+0x880/0x880
[  587.305288][ T8389]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  587.311177][ T8389]  ? __phys_addr_symbol+0x30/0x70
[  587.316198][ T8389]  ? __check_object_size+0x323/0x730
[  587.321481][ T8389]  netlink_sendmsg+0x93c/0xe40
[  587.326246][ T8389]  ? netlink_unicast+0x810/0x810
[  587.331185][ T8389]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  587.336467][ T8389]  ? netlink_unicast+0x810/0x810
[  587.341404][ T8389]  __sock_sendmsg+0xd5/0x180
[  587.345989][ T8389]  ____sys_sendmsg+0x6ac/0x940
[  587.350748][ T8389]  ? copy_msghdr_from_user+0x10b/0x160
[  587.356204][ T8389]  ? kernel_sendmsg+0x50/0x50
[  587.360878][ T8389]  ? hlock_class+0x4e/0x130
[  587.365374][ T8389]  ? __lock_acquire+0x14e0/0x3b10
[  587.370399][ T8389]  ___sys_sendmsg+0x135/0x1d0
[  587.375076][ T8389]  ? do_recvmmsg+0x740/0x740
[  587.379660][ T8389]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  587.385638][ T8389]  ? find_held_lock+0x2d/0x110
[  587.390415][ T8389]  ? __fget_light+0x1fc/0x260
[  587.395085][ T8389]  __sys_sendmsg+0x117/0x1e0
[  587.399682][ T8389]  ? __sys_sendmsg_sock+0x30/0x30
[  587.404705][ T8389]  ? __do_sys_rseq+0x750/0x750
[  587.409475][ T8389]  ? syscall_enter_from_user_mode+0x7f/0x120
[  587.415459][ T8389]  do_syscall_64+0x40/0x110
[  587.419958][ T8389]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  587.425851][ T8389] RIP: 0033:0x7ff3fd6020b9
[  587.430259][ T8389] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  587.449881][ T8389] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  587.458291][ T8389] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  587.466253][ T8389] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  587.474215][ T8389] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  587.482176][ T8389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  587.490137][ T8389] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  587.498112][ T8389]  </TASK>
[  587.501369][ T8389] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  587.567917][ T8390] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  587.577997][ T8390] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  587.587172][ T8390] CPU: 0 PID: 8390 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  587.597588][ T8390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  587.607629][ T8390] Call Trace:
[  587.610913][ T8390]  <TASK>
[  587.613884][ T8390]  dump_stack_lvl+0x125/0x1b0
[  587.618582][ T8390]  sysfs_warn_dup+0x7f/0xa0
[  587.623085][ T8390]  sysfs_create_dir_ns+0x249/0x2b0
[  587.628190][ T8390]  ? sysfs_create_mount_point+0xb0/0xb0
[  587.633728][ T8390]  ? spin_bug+0x1d0/0x1d0
[  587.638046][ T8390]  ? net_namespace+0x12/0x40
[  587.642631][ T8390]  ? device_namespace+0x8d/0xc0
[  587.647476][ T8390]  kobject_add_internal+0x2c8/0x970
[  587.652667][ T8390]  kobject_add+0x16f/0x240
[  587.657079][ T8390]  ? kset_create_and_add+0x190/0x190
[  587.662356][ T8390]  ? do_raw_spin_unlock+0x173/0x230
[  587.667539][ T8390]  ? kobject_put+0xbe/0x440
[  587.672032][ T8390]  ? device_add+0xc35/0x1aa0
[  587.676617][ T8390]  device_add+0x289/0x1aa0
[  587.681026][ T8390]  ? device_initialize+0x510/0x510
[  587.686128][ T8390]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  587.692989][ T8390]  ? __init_waitqueue_head+0xca/0x150
[  587.698355][ T8390]  netdev_register_kobject+0x183/0x3f0
[  587.703822][ T8390]  register_netdevice+0xbe6/0x14b0
[  587.708931][ T8390]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  587.714817][ T8390]  ? validate_linkmsg+0x6fc/0x9c0
[  587.719853][ T8390]  br_dev_newlink+0x27/0x110
[  587.724435][ T8390]  ? br_changelink+0x1760/0x1760
[  587.729359][ T8390]  __rtnl_newlink+0x1173/0x1930
[  587.734214][ T8390]  ? rtnl_link_unregister+0x260/0x260
[  587.739593][ T8390]  rtnl_newlink+0x67/0xa0
[  587.743919][ T8390]  ? __rtnl_newlink+0x1930/0x1930
[  587.748933][ T8390]  rtnetlink_rcv_msg+0x3c7/0xe00
[  587.753887][ T8390]  ? rtnl_fill_vf+0x4a0/0x4a0
[  587.758573][ T8390]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  587.764634][ T8390]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  587.770621][ T8390]  netlink_rcv_skb+0x16b/0x440
[  587.775401][ T8390]  ? rtnl_fill_vf+0x4a0/0x4a0
[  587.780071][ T8390]  ? netlink_ack+0x1380/0x1380
[  587.784847][ T8390]  ? lock_sync+0x190/0x190
[  587.789273][ T8390]  ? netlink_deliver_tap+0x1a0/0xd00
[  587.794549][ T8390]  ? _copy_from_iter+0x2c1/0x10f0
[  587.799568][ T8390]  netlink_unicast+0x53b/0x810
[  587.804326][ T8390]  ? netlink_attachskb+0x880/0x880
[  587.809427][ T8390]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  587.815310][ T8390]  ? __phys_addr_symbol+0x30/0x70
[  587.820351][ T8390]  ? __check_object_size+0x323/0x730
[  587.825634][ T8390]  netlink_sendmsg+0x93c/0xe40
[  587.830406][ T8390]  ? netlink_unicast+0x810/0x810
[  587.835371][ T8390]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  587.840672][ T8390]  ? netlink_unicast+0x810/0x810
[  587.845610][ T8390]  __sock_sendmsg+0xd5/0x180
[  587.850203][ T8390]  ____sys_sendmsg+0x6ac/0x940
[  587.854969][ T8390]  ? copy_msghdr_from_user+0x10b/0x160
[  587.860454][ T8390]  ? kernel_sendmsg+0x50/0x50
[  587.865126][ T8390]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  587.871104][ T8390]  ___sys_sendmsg+0x135/0x1d0
[  587.875775][ T8390]  ? do_recvmmsg+0x740/0x740
[  587.880373][ T8390]  ? find_held_lock+0x2d/0x110
[  587.885161][ T8390]  ? preempt_count_sub+0x160/0x160
[  587.890302][ T8390]  ? __fget_light+0x1fc/0x260
[  587.894973][ T8390]  __sys_sendmsg+0x117/0x1e0
[  587.899565][ T8390]  ? __sys_sendmsg_sock+0x30/0x30
[  587.904593][ T8390]  ? xfd_validate_state+0x5d/0x180
[  587.909711][ T8390]  ? syscall_enter_from_user_mode+0x7f/0x120
[  587.915696][ T8390]  do_syscall_64+0x40/0x110
[  587.920197][ T8390]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  587.926089][ T8390] RIP: 0033:0x7ff3fd6020b9
[  587.930495][ T8390] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  587.950106][ T8390] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  587.958512][ T8390] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  587.966476][ T8390] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  587.974458][ T8390] RBP: 000000000008f345 R08: 0000000000000000 R09: 0000000000000006
[  587.982415][ T8390] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  587.990374][ T8390] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  587.998340][ T8390]  </TASK>
[  588.001510][ T8390] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  588.053483][ T8390] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  588.062809][ T8390] CPU: 0 PID: 8390 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  588.073249][ T8390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  588.083305][ T8390] Call Trace:
[  588.086578][ T8390]  <TASK>
[  588.089502][ T8390]  dump_stack_lvl+0x125/0x1b0
[  588.094181][ T8390]  sysfs_warn_dup+0x7f/0xa0
[  588.098691][ T8390]  sysfs_create_dir_ns+0x249/0x2b0
[  588.103922][ T8390]  ? sysfs_create_mount_point+0xb0/0xb0
[  588.109499][ T8390]  ? spin_bug+0x1d0/0x1d0
[  588.113847][ T8390]  ? net_namespace+0x12/0x40
[  588.118439][ T8390]  ? device_namespace+0x8d/0xc0
[  588.123299][ T8390]  kobject_add_internal+0x2c8/0x970
[  588.128511][ T8390]  kobject_add+0x16f/0x240
[  588.132936][ T8390]  ? kset_create_and_add+0x190/0x190
[  588.138254][ T8390]  ? do_raw_spin_unlock+0x173/0x230
[  588.143467][ T8390]  ? kobject_put+0xbe/0x440
[  588.148002][ T8390]  ? device_add+0xc35/0x1aa0
[  588.152602][ T8390]  device_add+0x289/0x1aa0
[  588.157018][ T8390]  ? device_initialize+0x510/0x510
[  588.162124][ T8390]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  588.168998][ T8390]  ? __init_waitqueue_head+0xca/0x150
[  588.174410][ T8390]  netdev_register_kobject+0x183/0x3f0
[  588.179892][ T8390]  register_netdevice+0xbe6/0x14b0
[  588.185016][ T8390]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  588.190920][ T8390]  ? validate_linkmsg+0x6fc/0x9c0
[  588.195944][ T8390]  br_dev_newlink+0x27/0x110
[  588.200532][ T8390]  ? br_changelink+0x1760/0x1760
[  588.205467][ T8390]  __rtnl_newlink+0x1173/0x1930
[  588.210326][ T8390]  ? rtnl_link_unregister+0x260/0x260
[  588.215720][ T8390]  rtnl_newlink+0x67/0xa0
[  588.220050][ T8390]  ? __rtnl_newlink+0x1930/0x1930
[  588.225081][ T8390]  rtnetlink_rcv_msg+0x3c7/0xe00
[  588.230034][ T8390]  ? rtnl_fill_vf+0x4a0/0x4a0
[  588.234736][ T8390]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  588.240740][ T8390]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  588.246758][ T8390]  netlink_rcv_skb+0x16b/0x440
[  588.251541][ T8390]  ? rtnl_fill_vf+0x4a0/0x4a0
[  588.256217][ T8390]  ? netlink_ack+0x1380/0x1380
[  588.260982][ T8390]  ? lock_sync+0x190/0x190
[  588.265407][ T8390]  ? netlink_deliver_tap+0x1a0/0xd00
[  588.270690][ T8390]  ? _copy_from_iter+0x2c1/0x10f0
[  588.275718][ T8390]  netlink_unicast+0x53b/0x810
[  588.280483][ T8390]  ? netlink_attachskb+0x880/0x880
[  588.285597][ T8390]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  588.291493][ T8390]  ? __phys_addr_symbol+0x30/0x70
[  588.296548][ T8390]  ? __check_object_size+0x323/0x730
[  588.301853][ T8390]  netlink_sendmsg+0x93c/0xe40
[  588.306633][ T8390]  ? netlink_unicast+0x810/0x810
[  588.311580][ T8390]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  588.316866][ T8390]  ? netlink_unicast+0x810/0x810
[  588.321812][ T8390]  __sock_sendmsg+0xd5/0x180
[  588.326410][ T8390]  ____sys_sendmsg+0x6ac/0x940
[  588.331178][ T8390]  ? copy_msghdr_from_user+0x10b/0x160
[  588.336636][ T8390]  ? kernel_sendmsg+0x50/0x50
[  588.341319][ T8390]  ___sys_sendmsg+0x135/0x1d0
[  588.345998][ T8390]  ? do_recvmmsg+0x740/0x740
[  588.350585][ T8390]  ? find_held_lock+0x2d/0x110
[  588.355361][ T8390]  ? preempt_count_sub+0x160/0x160
[  588.360491][ T8390]  ? __fget_light+0x1fc/0x260
[  588.365187][ T8390]  __sys_sendmsg+0x117/0x1e0
[  588.369777][ T8390]  ? __sys_sendmsg_sock+0x30/0x30
[  588.374812][ T8390]  ? syscall_enter_from_user_mode+0x7f/0x120
[  588.380796][ T8390]  do_syscall_64+0x40/0x110
[  588.385292][ T8390]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  588.391182][ T8390] RIP: 0033:0x7ff3fd6020b9
[  588.395618][ T8390] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  588.415222][ T8390] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  588.423632][ T8390] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  588.431595][ T8390] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  588.439562][ T8390] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  588.447525][ T8390] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  588.455490][ T8390] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  588.463467][ T8390]  </TASK>
[  588.466806][ T8390] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  588.540778][ T8391] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  588.551135][ T8391] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  588.560291][ T8391] CPU: 0 PID: 8391 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  588.570728][ T8391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  588.580789][ T8391] Call Trace:
[  588.584063][ T8391]  <TASK>
[  588.586985][ T8391]  dump_stack_lvl+0x125/0x1b0
[  588.591659][ T8391]  sysfs_warn_dup+0x7f/0xa0
[  588.596162][ T8391]  sysfs_create_dir_ns+0x249/0x2b0
[  588.601272][ T8391]  ? sysfs_create_mount_point+0xb0/0xb0
[  588.606809][ T8391]  ? spin_bug+0x1d0/0x1d0
[  588.611128][ T8391]  ? net_namespace+0x12/0x40
[  588.615709][ T8391]  ? device_namespace+0x8d/0xc0
[  588.620566][ T8391]  kobject_add_internal+0x2c8/0x970
[  588.625771][ T8391]  kobject_add+0x16f/0x240
[  588.630183][ T8391]  ? kset_create_and_add+0x190/0x190
[  588.635465][ T8391]  ? do_raw_spin_unlock+0x173/0x230
[  588.640659][ T8391]  ? kobject_put+0xbe/0x440
[  588.645188][ T8391]  ? device_add+0xc35/0x1aa0
[  588.649771][ T8391]  device_add+0x289/0x1aa0
[  588.654179][ T8391]  ? device_initialize+0x510/0x510
[  588.659278][ T8391]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  588.666118][ T8391]  ? __init_waitqueue_head+0xca/0x150
[  588.671482][ T8391]  netdev_register_kobject+0x183/0x3f0
[  588.676943][ T8391]  register_netdevice+0xbe6/0x14b0
[  588.682052][ T8391]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  588.687952][ T8391]  ? validate_linkmsg+0x6fc/0x9c0
[  588.692973][ T8391]  br_dev_newlink+0x27/0x110
[  588.697562][ T8391]  ? br_changelink+0x1760/0x1760
[  588.702508][ T8391]  __rtnl_newlink+0x1173/0x1930
[  588.707354][ T8391]  ? rtnl_link_unregister+0x260/0x260
[  588.712725][ T8391]  rtnl_newlink+0x67/0xa0
[  588.717043][ T8391]  ? __rtnl_newlink+0x1930/0x1930
[  588.722057][ T8391]  rtnetlink_rcv_msg+0x3c7/0xe00
[  588.726986][ T8391]  ? rtnl_fill_vf+0x4a0/0x4a0
[  588.731652][ T8391]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  588.737632][ T8391]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  588.743614][ T8391]  netlink_rcv_skb+0x16b/0x440
[  588.748387][ T8391]  ? rtnl_fill_vf+0x4a0/0x4a0
[  588.753055][ T8391]  ? netlink_ack+0x1380/0x1380
[  588.757808][ T8391]  ? lock_sync+0x190/0x190
[  588.762219][ T8391]  ? netlink_deliver_tap+0x1a0/0xd00
[  588.767494][ T8391]  ? _copy_from_iter+0x2c1/0x10f0
[  588.772530][ T8391]  netlink_unicast+0x53b/0x810
[  588.777289][ T8391]  ? netlink_attachskb+0x880/0x880
[  588.782404][ T8391]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  588.788295][ T8391]  ? __phys_addr_symbol+0x30/0x70
[  588.793318][ T8391]  ? __check_object_size+0x323/0x730
[  588.798609][ T8391]  netlink_sendmsg+0x93c/0xe40
[  588.803382][ T8391]  ? netlink_unicast+0x810/0x810
[  588.808319][ T8391]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  588.813602][ T8391]  ? netlink_unicast+0x810/0x810
[  588.818546][ T8391]  __sock_sendmsg+0xd5/0x180
[  588.823134][ T8391]  ____sys_sendmsg+0x6ac/0x940
[  588.827893][ T8391]  ? copy_msghdr_from_user+0x10b/0x160
[  588.833342][ T8391]  ? kernel_sendmsg+0x50/0x50
[  588.838008][ T8391]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  588.843995][ T8391]  ___sys_sendmsg+0x135/0x1d0
[  588.848695][ T8391]  ? do_recvmmsg+0x740/0x740
[  588.853273][ T8391]  ? find_held_lock+0x2d/0x110
[  588.858031][ T8391]  ? preempt_count_sub+0x160/0x160
[  588.863135][ T8391]  ? __fget_light+0x1fc/0x260
[  588.867800][ T8391]  __sys_sendmsg+0x117/0x1e0
[  588.872378][ T8391]  ? __sys_sendmsg_sock+0x30/0x30
[  588.877392][ T8391]  ? xfd_validate_state+0x5d/0x180
[  588.882503][ T8391]  ? syscall_enter_from_user_mode+0x7f/0x120
[  588.888496][ T8391]  do_syscall_64+0x40/0x110
[  588.892997][ T8391]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  588.898882][ T8391] RIP: 0033:0x7ff3fd6020b9
[  588.903285][ T8391] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  588.922894][ T8391] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  588.931329][ T8391] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  588.939299][ T8391] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  588.947265][ T8391] RBP: 000000000008f719 R08: 0000000000000000 R09: 0000000000000006
[  588.955227][ T8391] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  588.963186][ T8391] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  588.971157][ T8391]  </TASK>
[  588.974868][ T8391] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  589.033395][ T8391] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  589.042586][ T8391] CPU: 0 PID: 8391 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  589.053004][ T8391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  589.063053][ T8391] Call Trace:
[  589.066322][ T8391]  <TASK>
[  589.069245][ T8391]  dump_stack_lvl+0x125/0x1b0
[  589.073919][ T8391]  sysfs_warn_dup+0x7f/0xa0
[  589.078419][ T8391]  sysfs_create_dir_ns+0x249/0x2b0
[  589.083524][ T8391]  ? sysfs_create_mount_point+0xb0/0xb0
[  589.089088][ T8391]  ? spin_bug+0x1d0/0x1d0
[  589.093418][ T8391]  ? net_namespace+0x12/0x40
[  589.098019][ T8391]  ? device_namespace+0x8d/0xc0
[  589.102864][ T8391]  kobject_add_internal+0x2c8/0x970
[  589.108055][ T8391]  kobject_add+0x16f/0x240
[  589.112462][ T8391]  ? kset_create_and_add+0x190/0x190
[  589.117740][ T8391]  ? do_raw_spin_unlock+0x173/0x230
[  589.122930][ T8391]  ? kobject_put+0xbe/0x440
[  589.127426][ T8391]  ? device_add+0xc35/0x1aa0
[  589.132013][ T8391]  device_add+0x289/0x1aa0
[  589.136423][ T8391]  ? device_initialize+0x510/0x510
[  589.141524][ T8391]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  589.148376][ T8391]  ? __init_waitqueue_head+0xca/0x150
[  589.153745][ T8391]  netdev_register_kobject+0x183/0x3f0
[  589.159203][ T8391]  register_netdevice+0xbe6/0x14b0
[  589.164311][ T8391]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  589.170196][ T8391]  ? validate_linkmsg+0x6fc/0x9c0
[  589.175212][ T8391]  br_dev_newlink+0x27/0x110
[  589.179796][ T8391]  ? br_changelink+0x1760/0x1760
[  589.184726][ T8391]  __rtnl_newlink+0x1173/0x1930
[  589.189587][ T8391]  ? rtnl_link_unregister+0x260/0x260
[  589.194976][ T8391]  rtnl_newlink+0x67/0xa0
[  589.199298][ T8391]  ? __rtnl_newlink+0x1930/0x1930
[  589.204333][ T8391]  rtnetlink_rcv_msg+0x3c7/0xe00
[  589.209262][ T8391]  ? rtnl_fill_vf+0x4a0/0x4a0
[  589.213935][ T8391]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  589.219917][ T8391]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  589.225901][ T8391]  netlink_rcv_skb+0x16b/0x440
[  589.230670][ T8391]  ? rtnl_fill_vf+0x4a0/0x4a0
[  589.235360][ T8391]  ? netlink_ack+0x1380/0x1380
[  589.240116][ T8391]  ? lock_sync+0x190/0x190
[  589.244534][ T8391]  ? netlink_deliver_tap+0x1a0/0xd00
[  589.249843][ T8391]  ? _copy_from_iter+0x2c1/0x10f0
[  589.254908][ T8391]  netlink_unicast+0x53b/0x810
[  589.259684][ T8391]  ? netlink_attachskb+0x880/0x880
[  589.264793][ T8391]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  589.270696][ T8391]  ? __phys_addr_symbol+0x30/0x70
[  589.275718][ T8391]  ? __check_object_size+0x323/0x730
[  589.281023][ T8391]  netlink_sendmsg+0x93c/0xe40
[  589.285788][ T8391]  ? netlink_unicast+0x810/0x810
[  589.290730][ T8391]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  589.296014][ T8391]  ? netlink_unicast+0x810/0x810
[  589.300965][ T8391]  __sock_sendmsg+0xd5/0x180
[  589.305557][ T8391]  ____sys_sendmsg+0x6ac/0x940
[  589.310324][ T8391]  ? copy_msghdr_from_user+0x10b/0x160
[  589.315789][ T8391]  ? kernel_sendmsg+0x50/0x50
[  589.320469][ T8391]  ? hlock_class+0x4e/0x130
[  589.324977][ T8391]  ? __lock_acquire+0x14e0/0x3b10
[  589.330008][ T8391]  ___sys_sendmsg+0x135/0x1d0
[  589.334692][ T8391]  ? do_recvmmsg+0x740/0x740
[  589.339275][ T8391]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  589.345253][ T8391]  ? find_held_lock+0x2d/0x110
[  589.350024][ T8391]  ? __fget_light+0x1fc/0x260
[  589.354691][ T8391]  __sys_sendmsg+0x117/0x1e0
[  589.359275][ T8391]  ? __sys_sendmsg_sock+0x30/0x30
[  589.364294][ T8391]  ? __do_sys_rseq+0x750/0x750
[  589.369056][ T8391]  ? syscall_enter_from_user_mode+0x7f/0x120
[  589.375031][ T8391]  do_syscall_64+0x40/0x110
[  589.379553][ T8391]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  589.385455][ T8391] RIP: 0033:0x7ff3fd6020b9
[  589.389879][ T8391] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  589.409473][ T8391] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  589.417869][ T8391] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  589.425829][ T8391] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  589.433787][ T8391] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  589.441743][ T8391] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  589.449731][ T8391] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  589.457716][ T8391]  </TASK>
[  589.461523][ T8391] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  589.516649][ T8392] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  589.526823][ T8392] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  589.535978][ T8392] CPU: 0 PID: 8392 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  589.546391][ T8392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  589.556469][ T8392] Call Trace:
[  589.559761][ T8392]  <TASK>
[  589.562688][ T8392]  dump_stack_lvl+0x125/0x1b0
[  589.567359][ T8392]  sysfs_warn_dup+0x7f/0xa0
[  589.571857][ T8392]  sysfs_create_dir_ns+0x249/0x2b0
[  589.576959][ T8392]  ? sysfs_create_mount_point+0xb0/0xb0
[  589.582495][ T8392]  ? spin_bug+0x1d0/0x1d0
[  589.586811][ T8392]  ? net_namespace+0x12/0x40
[  589.591405][ T8392]  ? device_namespace+0x8d/0xc0
[  589.596274][ T8392]  kobject_add_internal+0x2c8/0x970
[  589.601464][ T8392]  kobject_add+0x16f/0x240
[  589.605871][ T8392]  ? kset_create_and_add+0x190/0x190
[  589.611143][ T8392]  ? do_raw_spin_unlock+0x173/0x230
[  589.616327][ T8392]  ? kobject_put+0xbe/0x440
[  589.620822][ T8392]  ? device_add+0xc35/0x1aa0
[  589.625403][ T8392]  device_add+0x289/0x1aa0
[  589.629810][ T8392]  ? device_initialize+0x510/0x510
[  589.634919][ T8392]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  589.641793][ T8392]  ? __init_waitqueue_head+0xca/0x150
[  589.647173][ T8392]  netdev_register_kobject+0x183/0x3f0
[  589.652664][ T8392]  register_netdevice+0xbe6/0x14b0
[  589.657786][ T8392]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  589.663670][ T8392]  ? validate_linkmsg+0x6fc/0x9c0
[  589.668690][ T8392]  br_dev_newlink+0x27/0x110
[  589.673271][ T8392]  ? br_changelink+0x1760/0x1760
[  589.678195][ T8392]  __rtnl_newlink+0x1173/0x1930
[  589.683075][ T8392]  ? rtnl_link_unregister+0x260/0x260
[  589.688450][ T8392]  rtnl_newlink+0x67/0xa0
[  589.692773][ T8392]  ? __rtnl_newlink+0x1930/0x1930
[  589.697787][ T8392]  rtnetlink_rcv_msg+0x3c7/0xe00
[  589.702730][ T8392]  ? rtnl_fill_vf+0x4a0/0x4a0
[  589.707415][ T8392]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  589.713389][ T8392]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  589.719385][ T8392]  netlink_rcv_skb+0x16b/0x440
[  589.724165][ T8392]  ? rtnl_fill_vf+0x4a0/0x4a0
[  589.728858][ T8392]  ? netlink_ack+0x1380/0x1380
[  589.733614][ T8392]  ? lock_sync+0x190/0x190
[  589.738034][ T8392]  ? netlink_deliver_tap+0x1a0/0xd00
[  589.743312][ T8392]  ? _copy_from_iter+0x2c1/0x10f0
[  589.748329][ T8392]  netlink_unicast+0x53b/0x810
[  589.753087][ T8392]  ? netlink_attachskb+0x880/0x880
[  589.758192][ T8392]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  589.764089][ T8392]  ? __phys_addr_symbol+0x30/0x70
[  589.769115][ T8392]  ? __check_object_size+0x323/0x730
[  589.774405][ T8392]  netlink_sendmsg+0x93c/0xe40
[  589.779190][ T8392]  ? netlink_unicast+0x810/0x810
[  589.784158][ T8392]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  589.789443][ T8392]  ? netlink_unicast+0x810/0x810
[  589.794379][ T8392]  __sock_sendmsg+0xd5/0x180
[  589.798965][ T8392]  ____sys_sendmsg+0x6ac/0x940
[  589.803723][ T8392]  ? copy_msghdr_from_user+0x10b/0x160
[  589.809178][ T8392]  ? kernel_sendmsg+0x50/0x50
[  589.813854][ T8392]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  589.819841][ T8392]  ___sys_sendmsg+0x135/0x1d0
[  589.824514][ T8392]  ? do_recvmmsg+0x740/0x740
[  589.829098][ T8392]  ? find_held_lock+0x2d/0x110
[  589.833861][ T8392]  ? preempt_count_sub+0x160/0x160
[  589.838970][ T8392]  ? __fget_light+0x1fc/0x260
[  589.843640][ T8392]  __sys_sendmsg+0x117/0x1e0
[  589.848224][ T8392]  ? __sys_sendmsg_sock+0x30/0x30
[  589.853266][ T8392]  ? xfd_validate_state+0x5d/0x180
[  589.858386][ T8392]  ? syscall_enter_from_user_mode+0x7f/0x120
[  589.864369][ T8392]  do_syscall_64+0x40/0x110
[  589.868872][ T8392]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  589.874763][ T8392] RIP: 0033:0x7ff3fd6020b9
[  589.879165][ T8392] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  589.898772][ T8392] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  589.907182][ T8392] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  589.915159][ T8392] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  589.923147][ T8392] RBP: 000000000008fae3 R08: 0000000000000000 R09: 0000000000000006
[  589.931111][ T8392] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  589.939072][ T8392] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  589.947048][ T8392]  </TASK>
[  589.952182][ T8392] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  590.004574][ T8392] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  590.013883][ T8392] CPU: 1 PID: 8392 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  590.024304][ T8392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  590.034365][ T8392] Call Trace:
[  590.037639][ T8392]  <TASK>
[  590.040559][ T8392]  dump_stack_lvl+0x125/0x1b0
[  590.045238][ T8392]  sysfs_warn_dup+0x7f/0xa0
[  590.049738][ T8392]  sysfs_create_dir_ns+0x249/0x2b0
[  590.054843][ T8392]  ? sysfs_create_mount_point+0xb0/0xb0
[  590.060379][ T8392]  ? spin_bug+0x1d0/0x1d0
[  590.064703][ T8392]  ? net_namespace+0x12/0x40
[  590.069292][ T8392]  ? device_namespace+0x8d/0xc0
[  590.074150][ T8392]  kobject_add_internal+0x2c8/0x970
[  590.079351][ T8392]  kobject_add+0x16f/0x240
[  590.083767][ T8392]  ? kset_create_and_add+0x190/0x190
[  590.089075][ T8392]  ? do_raw_spin_unlock+0x173/0x230
[  590.094286][ T8392]  ? kobject_put+0xbe/0x440
[  590.098790][ T8392]  ? device_add+0xc35/0x1aa0
[  590.103380][ T8392]  device_add+0x289/0x1aa0
[  590.107801][ T8392]  ? device_initialize+0x510/0x510
[  590.112907][ T8392]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  590.119754][ T8392]  ? __init_waitqueue_head+0xca/0x150
[  590.125128][ T8392]  netdev_register_kobject+0x183/0x3f0
[  590.130597][ T8392]  register_netdevice+0xbe6/0x14b0
[  590.135721][ T8392]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  590.141616][ T8392]  ? validate_linkmsg+0x6fc/0x9c0
[  590.146639][ T8392]  br_dev_newlink+0x27/0x110
[  590.151229][ T8392]  ? br_changelink+0x1760/0x1760
[  590.156159][ T8392]  __rtnl_newlink+0x1173/0x1930
[  590.161017][ T8392]  ? rtnl_link_unregister+0x260/0x260
[  590.166403][ T8392]  rtnl_newlink+0x67/0xa0
[  590.170730][ T8392]  ? __rtnl_newlink+0x1930/0x1930
[  590.175752][ T8392]  rtnetlink_rcv_msg+0x3c7/0xe00
[  590.180692][ T8392]  ? rtnl_fill_vf+0x4a0/0x4a0
[  590.185373][ T8392]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  590.191353][ T8392]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  590.197340][ T8392]  netlink_rcv_skb+0x16b/0x440
[  590.202106][ T8392]  ? rtnl_fill_vf+0x4a0/0x4a0
[  590.206780][ T8392]  ? netlink_ack+0x1380/0x1380
[  590.211544][ T8392]  ? lock_sync+0x190/0x190
[  590.215984][ T8392]  ? netlink_deliver_tap+0x1a0/0xd00
[  590.221276][ T8392]  ? _copy_from_iter+0x2c1/0x10f0
[  590.226325][ T8392]  netlink_unicast+0x53b/0x810
[  590.231098][ T8392]  ? netlink_attachskb+0x880/0x880
[  590.236209][ T8392]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  590.242098][ T8392]  ? __phys_addr_symbol+0x30/0x70
[  590.247119][ T8392]  ? __check_object_size+0x323/0x730
[  590.252405][ T8392]  netlink_sendmsg+0x93c/0xe40
[  590.257173][ T8392]  ? netlink_unicast+0x810/0x810
[  590.262114][ T8392]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  590.267401][ T8392]  ? netlink_unicast+0x810/0x810
[  590.272344][ T8392]  __sock_sendmsg+0xd5/0x180
[  590.276935][ T8392]  ____sys_sendmsg+0x6ac/0x940
[  590.281704][ T8392]  ? copy_msghdr_from_user+0x10b/0x160
[  590.287162][ T8392]  ? kernel_sendmsg+0x50/0x50
[  590.291844][ T8392]  ___sys_sendmsg+0x135/0x1d0
[  590.296523][ T8392]  ? do_recvmmsg+0x740/0x740
[  590.301117][ T8392]  ? find_held_lock+0x2d/0x110
[  590.305891][ T8392]  ? preempt_count_sub+0x160/0x160
[  590.311006][ T8392]  ? __fget_light+0x1fc/0x260
[  590.315681][ T8392]  __sys_sendmsg+0x117/0x1e0
[  590.320275][ T8392]  ? __sys_sendmsg_sock+0x30/0x30
[  590.325310][ T8392]  ? syscall_enter_from_user_mode+0x7f/0x120
[  590.331298][ T8392]  do_syscall_64+0x40/0x110
[  590.335802][ T8392]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  590.341697][ T8392] RIP: 0033:0x7ff3fd6020b9
[  590.346105][ T8392] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  590.365716][ T8392] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  590.374135][ T8392] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  590.382106][ T8392] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  590.390079][ T8392] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  590.398052][ T8392] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  590.406029][ T8392] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  590.414011][ T8392]  </TASK>
[  590.418320][ T8392] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  590.478028][ T8393] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  590.488120][ T8393] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  590.497309][ T8393] CPU: 1 PID: 8393 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  590.507731][ T8393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  590.517797][ T8393] Call Trace:
[  590.521070][ T8393]  <TASK>
[  590.524004][ T8393]  dump_stack_lvl+0x125/0x1b0
[  590.528686][ T8393]  sysfs_warn_dup+0x7f/0xa0
[  590.533187][ T8393]  sysfs_create_dir_ns+0x249/0x2b0
[  590.538408][ T8393]  ? sysfs_create_mount_point+0xb0/0xb0
[  590.543989][ T8393]  ? spin_bug+0x1d0/0x1d0
[  590.548356][ T8393]  ? net_namespace+0x12/0x40
[  590.552980][ T8393]  ? device_namespace+0x8d/0xc0
[  590.557836][ T8393]  kobject_add_internal+0x2c8/0x970
[  590.563042][ T8393]  kobject_add+0x16f/0x240
[  590.567457][ T8393]  ? kset_create_and_add+0x190/0x190
[  590.572743][ T8393]  ? do_raw_spin_unlock+0x173/0x230
[  590.577935][ T8393]  ? kobject_put+0xbe/0x440
[  590.582432][ T8393]  ? device_add+0xc35/0x1aa0
[  590.587020][ T8393]  device_add+0x289/0x1aa0
[  590.591435][ T8393]  ? device_initialize+0x510/0x510
[  590.596538][ T8393]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  590.603389][ T8393]  ? __init_waitqueue_head+0xca/0x150
[  590.608766][ T8393]  netdev_register_kobject+0x183/0x3f0
[  590.614233][ T8393]  register_netdevice+0xbe6/0x14b0
[  590.619347][ T8393]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  590.625246][ T8393]  ? validate_linkmsg+0x6fc/0x9c0
[  590.630271][ T8393]  br_dev_newlink+0x27/0x110
[  590.634867][ T8393]  ? br_changelink+0x1760/0x1760
[  590.639810][ T8393]  __rtnl_newlink+0x1173/0x1930
[  590.644671][ T8393]  ? rtnl_link_unregister+0x260/0x260
[  590.650064][ T8393]  rtnl_newlink+0x67/0xa0
[  590.654403][ T8393]  ? __rtnl_newlink+0x1930/0x1930
[  590.659429][ T8393]  rtnetlink_rcv_msg+0x3c7/0xe00
[  590.664373][ T8393]  ? rtnl_fill_vf+0x4a0/0x4a0
[  590.669051][ T8393]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  590.675038][ T8393]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  590.681025][ T8393]  netlink_rcv_skb+0x16b/0x440
[  590.685790][ T8393]  ? rtnl_fill_vf+0x4a0/0x4a0
[  590.690467][ T8393]  ? netlink_ack+0x1380/0x1380
[  590.695233][ T8393]  ? lock_sync+0x190/0x190
[  590.699659][ T8393]  ? netlink_deliver_tap+0x1a0/0xd00
[  590.704946][ T8393]  ? _copy_from_iter+0x2c1/0x10f0
[  590.709974][ T8393]  netlink_unicast+0x53b/0x810
[  590.714776][ T8393]  ? netlink_attachskb+0x880/0x880
[  590.719886][ T8393]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  590.725775][ T8393]  ? __phys_addr_symbol+0x30/0x70
[  590.730816][ T8393]  ? __check_object_size+0x323/0x730
[  590.736099][ T8393]  netlink_sendmsg+0x93c/0xe40
[  590.740870][ T8393]  ? netlink_unicast+0x810/0x810
[  590.745810][ T8393]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  590.751119][ T8393]  ? netlink_unicast+0x810/0x810
[  590.756078][ T8393]  __sock_sendmsg+0xd5/0x180
[  590.760671][ T8393]  ____sys_sendmsg+0x6ac/0x940
[  590.765433][ T8393]  ? copy_msghdr_from_user+0x10b/0x160
[  590.770895][ T8393]  ? kernel_sendmsg+0x50/0x50
[  590.775595][ T8393]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  590.781582][ T8393]  ___sys_sendmsg+0x135/0x1d0
[  590.786261][ T8393]  ? do_recvmmsg+0x740/0x740
[  590.790848][ T8393]  ? find_held_lock+0x2d/0x110
[  590.795618][ T8393]  ? preempt_count_sub+0x160/0x160
[  590.800734][ T8393]  ? __fget_light+0x1fc/0x260
[  590.805403][ T8393]  __sys_sendmsg+0x117/0x1e0
[  590.809991][ T8393]  ? __sys_sendmsg_sock+0x30/0x30
[  590.815011][ T8393]  ? xfd_validate_state+0x5d/0x180
[  590.820130][ T8393]  ? syscall_enter_from_user_mode+0x7f/0x120
[  590.826117][ T8393]  do_syscall_64+0x40/0x110
[  590.830622][ T8393]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  590.836516][ T8393] RIP: 0033:0x7ff3fd6020b9
[  590.840924][ T8393] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  590.860536][ T8393] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  590.868950][ T8393] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  590.876920][ T8393] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  590.884887][ T8393] RBP: 000000000008feb6 R08: 0000000000000000 R09: 0000000000000006
[  590.892861][ T8393] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  590.900826][ T8393] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  590.908804][ T8393]  </TASK>
[  590.913208][ T8393] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  591.003317][ T8393] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  591.012521][ T8393] CPU: 1 PID: 8393 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  591.022941][ T8393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  591.033006][ T8393] Call Trace:
[  591.036277][ T8393]  <TASK>
[  591.039197][ T8393]  dump_stack_lvl+0x125/0x1b0
[  591.043891][ T8393]  sysfs_warn_dup+0x7f/0xa0
[  591.048396][ T8393]  sysfs_create_dir_ns+0x249/0x2b0
[  591.053530][ T8393]  ? sysfs_create_mount_point+0xb0/0xb0
[  591.059063][ T8393]  ? spin_bug+0x1d0/0x1d0
[  591.063382][ T8393]  ? net_namespace+0x12/0x40
[  591.067961][ T8393]  ? device_namespace+0x8d/0xc0
[  591.072812][ T8393]  kobject_add_internal+0x2c8/0x970
[  591.078027][ T8393]  kobject_add+0x16f/0x240
[  591.082442][ T8393]  ? kset_create_and_add+0x190/0x190
[  591.087727][ T8393]  ? do_raw_spin_unlock+0x173/0x230
[  591.092920][ T8393]  ? kobject_put+0xbe/0x440
[  591.097420][ T8393]  ? device_add+0xc35/0x1aa0
[  591.102007][ T8393]  device_add+0x289/0x1aa0
[  591.106419][ T8393]  ? device_initialize+0x510/0x510
[  591.111549][ T8393]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  591.118442][ T8393]  ? __init_waitqueue_head+0xca/0x150
[  591.123842][ T8393]  netdev_register_kobject+0x183/0x3f0
[  591.129323][ T8393]  register_netdevice+0xbe6/0x14b0
[  591.134445][ T8393]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  591.140340][ T8393]  ? validate_linkmsg+0x6fc/0x9c0
[  591.145370][ T8393]  br_dev_newlink+0x27/0x110
[  591.149962][ T8393]  ? br_changelink+0x1760/0x1760
[  591.154901][ T8393]  __rtnl_newlink+0x1173/0x1930
[  591.159765][ T8393]  ? rtnl_link_unregister+0x260/0x260
[  591.165155][ T8393]  rtnl_newlink+0x67/0xa0
[  591.169485][ T8393]  ? __rtnl_newlink+0x1930/0x1930
[  591.174515][ T8393]  rtnetlink_rcv_msg+0x3c7/0xe00
[  591.179461][ T8393]  ? rtnl_fill_vf+0x4a0/0x4a0
[  591.184231][ T8393]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  591.190219][ T8393]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  591.196212][ T8393]  netlink_rcv_skb+0x16b/0x440
[  591.200982][ T8393]  ? rtnl_fill_vf+0x4a0/0x4a0
[  591.205660][ T8393]  ? netlink_ack+0x1380/0x1380
[  591.210428][ T8393]  ? lock_sync+0x190/0x190
[  591.214864][ T8393]  ? netlink_deliver_tap+0x1a0/0xd00
[  591.220153][ T8393]  ? _copy_from_iter+0x2c1/0x10f0
[  591.225191][ T8393]  netlink_unicast+0x53b/0x810
[  591.229965][ T8393]  ? netlink_attachskb+0x880/0x880
[  591.235080][ T8393]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  591.240972][ T8393]  ? __phys_addr_symbol+0x30/0x70
[  591.245993][ T8393]  ? __check_object_size+0x323/0x730
[  591.251276][ T8393]  netlink_sendmsg+0x93c/0xe40
[  591.256046][ T8393]  ? netlink_unicast+0x810/0x810
[  591.260992][ T8393]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  591.266273][ T8393]  ? netlink_unicast+0x810/0x810
[  591.271215][ T8393]  __sock_sendmsg+0xd5/0x180
[  591.275806][ T8393]  ____sys_sendmsg+0x6ac/0x940
[  591.280567][ T8393]  ? copy_msghdr_from_user+0x10b/0x160
[  591.286032][ T8393]  ? kernel_sendmsg+0x50/0x50
[  591.290716][ T8393]  ? hlock_class+0x4e/0x130
[  591.295218][ T8393]  ? __lock_acquire+0x14e0/0x3b10
[  591.300246][ T8393]  ___sys_sendmsg+0x135/0x1d0
[  591.304924][ T8393]  ? do_recvmmsg+0x740/0x740
[  591.309514][ T8393]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  591.315500][ T8393]  ? find_held_lock+0x2d/0x110
[  591.320303][ T8393]  ? __fget_light+0x1fc/0x260
[  591.324979][ T8393]  __sys_sendmsg+0x117/0x1e0
[  591.329575][ T8393]  ? __sys_sendmsg_sock+0x30/0x30
[  591.334607][ T8393]  ? __do_sys_rseq+0x750/0x750
[  591.339378][ T8393]  ? syscall_enter_from_user_mode+0x7f/0x120
[  591.345364][ T8393]  do_syscall_64+0x40/0x110
[  591.349865][ T8393]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  591.355851][ T8393] RIP: 0033:0x7ff3fd6020b9
[  591.360260][ T8393] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  591.379878][ T8393] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  591.388298][ T8393] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  591.396271][ T8393] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  591.404243][ T8393] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  591.412213][ T8393] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  591.420177][ T8393] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  591.428160][ T8393]  </TASK>
[  591.432139][ T8393] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  591.487961][ T8394] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  591.498075][ T8394] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  591.507227][ T8394] CPU: 0 PID: 8394 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  591.517651][ T8394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  591.527716][ T8394] Call Trace:
[  591.531019][ T8394]  <TASK>
[  591.533982][ T8394]  dump_stack_lvl+0x125/0x1b0
[  591.538654][ T8394]  sysfs_warn_dup+0x7f/0xa0
[  591.543153][ T8394]  sysfs_create_dir_ns+0x249/0x2b0
[  591.548261][ T8394]  ? sysfs_create_mount_point+0xb0/0xb0
[  591.553823][ T8394]  ? spin_bug+0x1d0/0x1d0
[  591.558150][ T8394]  ? net_namespace+0x12/0x40
[  591.562743][ T8394]  ? device_namespace+0x8d/0xc0
[  591.567602][ T8394]  kobject_add_internal+0x2c8/0x970
[  591.572807][ T8394]  kobject_add+0x16f/0x240
[  591.577229][ T8394]  ? kset_create_and_add+0x190/0x190
[  591.582522][ T8394]  ? do_raw_spin_unlock+0x173/0x230
[  591.587718][ T8394]  ? kobject_put+0xbe/0x440
[  591.592222][ T8394]  ? device_add+0xc35/0x1aa0
[  591.596814][ T8394]  device_add+0x289/0x1aa0
[  591.601228][ T8394]  ? device_initialize+0x510/0x510
[  591.606330][ T8394]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  591.613180][ T8394]  ? __init_waitqueue_head+0xca/0x150
[  591.618562][ T8394]  netdev_register_kobject+0x183/0x3f0
[  591.624026][ T8394]  register_netdevice+0xbe6/0x14b0
[  591.629140][ T8394]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  591.635033][ T8394]  ? validate_linkmsg+0x6fc/0x9c0
[  591.640067][ T8394]  br_dev_newlink+0x27/0x110
[  591.644667][ T8394]  ? br_changelink+0x1760/0x1760
[  591.649602][ T8394]  __rtnl_newlink+0x1173/0x1930
[  591.654459][ T8394]  ? rtnl_link_unregister+0x260/0x260
[  591.659844][ T8394]  rtnl_newlink+0x67/0xa0
[  591.664172][ T8394]  ? __rtnl_newlink+0x1930/0x1930
[  591.669192][ T8394]  rtnetlink_rcv_msg+0x3c7/0xe00
[  591.674129][ T8394]  ? rtnl_fill_vf+0x4a0/0x4a0
[  591.678803][ T8394]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  591.684786][ T8394]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  591.690773][ T8394]  netlink_rcv_skb+0x16b/0x440
[  591.695551][ T8394]  ? rtnl_fill_vf+0x4a0/0x4a0
[  591.700225][ T8394]  ? netlink_ack+0x1380/0x1380
[  591.704987][ T8394]  ? lock_sync+0x190/0x190
[  591.709413][ T8394]  ? netlink_deliver_tap+0x1a0/0xd00
[  591.714698][ T8394]  ? _copy_from_iter+0x2c1/0x10f0
[  591.719723][ T8394]  netlink_unicast+0x53b/0x810
[  591.724489][ T8394]  ? netlink_attachskb+0x880/0x880
[  591.729608][ T8394]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  591.735499][ T8394]  ? __phys_addr_symbol+0x30/0x70
[  591.740542][ T8394]  ? __check_object_size+0x323/0x730
[  591.745828][ T8394]  netlink_sendmsg+0x93c/0xe40
[  591.750602][ T8394]  ? netlink_unicast+0x810/0x810
[  591.755561][ T8394]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  591.760849][ T8394]  ? netlink_unicast+0x810/0x810
[  591.765790][ T8394]  __sock_sendmsg+0xd5/0x180
[  591.770386][ T8394]  ____sys_sendmsg+0x6ac/0x940
[  591.775149][ T8394]  ? copy_msghdr_from_user+0x10b/0x160
[  591.780667][ T8394]  ? kernel_sendmsg+0x50/0x50
[  591.785360][ T8394]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  591.791346][ T8394]  ___sys_sendmsg+0x135/0x1d0
[  591.796023][ T8394]  ? do_recvmmsg+0x740/0x740
[  591.800615][ T8394]  ? find_held_lock+0x2d/0x110
[  591.805385][ T8394]  ? preempt_count_sub+0x160/0x160
[  591.810504][ T8394]  ? __fget_light+0x1fc/0x260
[  591.815205][ T8394]  __sys_sendmsg+0x117/0x1e0
[  591.819839][ T8394]  ? __sys_sendmsg_sock+0x30/0x30
[  591.824878][ T8394]  ? xfd_validate_state+0x5d/0x180
[  591.830009][ T8394]  ? syscall_enter_from_user_mode+0x7f/0x120
[  591.836007][ T8394]  do_syscall_64+0x40/0x110
[  591.840518][ T8394]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  591.846428][ T8394] RIP: 0033:0x7ff3fd6020b9
[  591.850838][ T8394] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  591.870444][ T8394] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  591.878852][ T8394] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  591.886824][ T8394] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  591.894791][ T8394] RBP: 0000000000090277 R08: 0000000000000000 R09: 0000000000000006
[  591.902758][ T8394] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  591.910723][ T8394] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  591.918699][ T8394]  </TASK>
[  591.921957][ T8394] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  591.974510][ T8394] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  591.983858][ T8394] CPU: 0 PID: 8394 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  591.994312][ T8394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  592.004369][ T8394] Call Trace:
[  592.007650][ T8394]  <TASK>
[  592.010577][ T8394]  dump_stack_lvl+0x125/0x1b0
[  592.015276][ T8394]  sysfs_warn_dup+0x7f/0xa0
[  592.019779][ T8394]  sysfs_create_dir_ns+0x249/0x2b0
[  592.024906][ T8394]  ? sysfs_create_mount_point+0xb0/0xb0
[  592.030494][ T8394]  ? spin_bug+0x1d0/0x1d0
[  592.034838][ T8394]  ? net_namespace+0x12/0x40
[  592.039433][ T8394]  ? device_namespace+0x8d/0xc0
[  592.044286][ T8394]  kobject_add_internal+0x2c8/0x970
[  592.049487][ T8394]  kobject_add+0x16f/0x240
[  592.053903][ T8394]  ? kset_create_and_add+0x190/0x190
[  592.059193][ T8394]  ? do_raw_spin_unlock+0x173/0x230
[  592.064393][ T8394]  ? kobject_put+0xbe/0x440
[  592.068895][ T8394]  ? device_add+0xc35/0x1aa0
[  592.073487][ T8394]  device_add+0x289/0x1aa0
[  592.077909][ T8394]  ? device_initialize+0x510/0x510
[  592.083029][ T8394]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  592.089915][ T8394]  ? __init_waitqueue_head+0xca/0x150
[  592.095304][ T8394]  netdev_register_kobject+0x183/0x3f0
[  592.100780][ T8394]  register_netdevice+0xbe6/0x14b0
[  592.105901][ T8394]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  592.111800][ T8394]  ? validate_linkmsg+0x6fc/0x9c0
[  592.116828][ T8394]  br_dev_newlink+0x27/0x110
[  592.121420][ T8394]  ? br_changelink+0x1760/0x1760
[  592.126352][ T8394]  __rtnl_newlink+0x1173/0x1930
[  592.131226][ T8394]  ? rtnl_link_unregister+0x260/0x260
[  592.136645][ T8394]  rtnl_newlink+0x67/0xa0
[  592.140995][ T8394]  ? __rtnl_newlink+0x1930/0x1930
[  592.146024][ T8394]  rtnetlink_rcv_msg+0x3c7/0xe00
[  592.150969][ T8394]  ? rtnl_fill_vf+0x4a0/0x4a0
[  592.155644][ T8394]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  592.161627][ T8394]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  592.167612][ T8394]  netlink_rcv_skb+0x16b/0x440
[  592.172378][ T8394]  ? rtnl_fill_vf+0x4a0/0x4a0
[  592.177052][ T8394]  ? netlink_ack+0x1380/0x1380
[  592.181821][ T8394]  ? lock_sync+0x190/0x190
[  592.186249][ T8394]  ? netlink_deliver_tap+0x1a0/0xd00
[  592.191532][ T8394]  ? _copy_from_iter+0x2c1/0x10f0
[  592.196561][ T8394]  netlink_unicast+0x53b/0x810
[  592.201329][ T8394]  ? netlink_attachskb+0x880/0x880
[  592.206439][ T8394]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  592.212343][ T8394]  ? __phys_addr_symbol+0x30/0x70
[  592.217361][ T8394]  ? __check_object_size+0x323/0x730
[  592.222646][ T8394]  netlink_sendmsg+0x93c/0xe40
[  592.227417][ T8394]  ? netlink_unicast+0x810/0x810
[  592.232389][ T8394]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  592.237674][ T8394]  ? netlink_unicast+0x810/0x810
[  592.242612][ T8394]  __sock_sendmsg+0xd5/0x180
[  592.247201][ T8394]  ____sys_sendmsg+0x6ac/0x940
[  592.251960][ T8394]  ? copy_msghdr_from_user+0x10b/0x160
[  592.257415][ T8394]  ? kernel_sendmsg+0x50/0x50
[  592.262184][ T8394]  ___sys_sendmsg+0x135/0x1d0
[  592.266877][ T8394]  ? do_recvmmsg+0x740/0x740
[  592.271469][ T8394]  ? find_held_lock+0x2d/0x110
[  592.276240][ T8394]  ? preempt_count_sub+0x160/0x160
[  592.281358][ T8394]  ? __fget_light+0x1fc/0x260
[  592.286030][ T8394]  __sys_sendmsg+0x117/0x1e0
[  592.290628][ T8394]  ? __sys_sendmsg_sock+0x30/0x30
[  592.295664][ T8394]  ? syscall_enter_from_user_mode+0x7f/0x120
[  592.301650][ T8394]  do_syscall_64+0x40/0x110
[  592.306158][ T8394]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  592.312062][ T8394] RIP: 0033:0x7ff3fd6020b9
[  592.316468][ T8394] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  592.336078][ T8394] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  592.344491][ T8394] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  592.352457][ T8394] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  592.360420][ T8394] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  592.368386][ T8394] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  592.376353][ T8394] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  592.384354][ T8394]  </TASK>
[  592.388932][ T8394] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  592.447430][ T8395] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  592.457649][ T8395] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  592.466832][ T8395] CPU: 0 PID: 8395 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  592.477253][ T8395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  592.487298][ T8395] Call Trace:
[  592.490569][ T8395]  <TASK>
[  592.493498][ T8395]  dump_stack_lvl+0x125/0x1b0
[  592.498179][ T8395]  sysfs_warn_dup+0x7f/0xa0
[  592.502712][ T8395]  sysfs_create_dir_ns+0x249/0x2b0
[  592.507871][ T8395]  ? sysfs_create_mount_point+0xb0/0xb0
[  592.513412][ T8395]  ? spin_bug+0x1d0/0x1d0
[  592.517736][ T8395]  ? net_namespace+0x12/0x40
[  592.522324][ T8395]  ? device_namespace+0x8d/0xc0
[  592.527193][ T8395]  kobject_add_internal+0x2c8/0x970
[  592.532397][ T8395]  kobject_add+0x16f/0x240
[  592.536815][ T8395]  ? kset_create_and_add+0x190/0x190
[  592.542103][ T8395]  ? do_raw_spin_unlock+0x173/0x230
[  592.547319][ T8395]  ? kobject_put+0xbe/0x440
[  592.551825][ T8395]  ? device_add+0xc35/0x1aa0
[  592.556414][ T8395]  device_add+0x289/0x1aa0
[  592.560833][ T8395]  ? device_initialize+0x510/0x510
[  592.565940][ T8395]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  592.572788][ T8395]  ? __init_waitqueue_head+0xca/0x150
[  592.578163][ T8395]  netdev_register_kobject+0x183/0x3f0
[  592.583633][ T8395]  register_netdevice+0xbe6/0x14b0
[  592.588747][ T8395]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  592.594648][ T8395]  ? validate_linkmsg+0x6fc/0x9c0
[  592.599669][ T8395]  br_dev_newlink+0x27/0x110
[  592.604258][ T8395]  ? br_changelink+0x1760/0x1760
[  592.609192][ T8395]  __rtnl_newlink+0x1173/0x1930
[  592.614049][ T8395]  ? rtnl_link_unregister+0x260/0x260
[  592.619434][ T8395]  rtnl_newlink+0x67/0xa0
[  592.623766][ T8395]  ? __rtnl_newlink+0x1930/0x1930
[  592.628789][ T8395]  rtnetlink_rcv_msg+0x3c7/0xe00
[  592.633725][ T8395]  ? rtnl_fill_vf+0x4a0/0x4a0
[  592.638397][ T8395]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  592.644375][ T8395]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  592.650358][ T8395]  netlink_rcv_skb+0x16b/0x440
[  592.655123][ T8395]  ? rtnl_fill_vf+0x4a0/0x4a0
[  592.659795][ T8395]  ? netlink_ack+0x1380/0x1380
[  592.664561][ T8395]  ? lock_sync+0x190/0x190
[  592.668984][ T8395]  ? netlink_deliver_tap+0x1a0/0xd00
[  592.674269][ T8395]  ? _copy_from_iter+0x2c1/0x10f0
[  592.679302][ T8395]  netlink_unicast+0x53b/0x810
[  592.684067][ T8395]  ? netlink_attachskb+0x880/0x880
[  592.689178][ T8395]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  592.695068][ T8395]  ? __phys_addr_symbol+0x30/0x70
[  592.700089][ T8395]  ? __check_object_size+0x323/0x730
[  592.705372][ T8395]  netlink_sendmsg+0x93c/0xe40
[  592.710139][ T8395]  ? netlink_unicast+0x810/0x810
[  592.715080][ T8395]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  592.720360][ T8395]  ? netlink_unicast+0x810/0x810
[  592.725298][ T8395]  __sock_sendmsg+0xd5/0x180
[  592.729890][ T8395]  ____sys_sendmsg+0x6ac/0x940
[  592.734653][ T8395]  ? copy_msghdr_from_user+0x10b/0x160
[  592.740109][ T8395]  ? kernel_sendmsg+0x50/0x50
[  592.744791][ T8395]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  592.750776][ T8395]  ___sys_sendmsg+0x135/0x1d0
[  592.755455][ T8395]  ? do_recvmmsg+0x740/0x740
[  592.760040][ T8395]  ? find_held_lock+0x2d/0x110
[  592.764810][ T8395]  ? preempt_count_sub+0x160/0x160
[  592.769951][ T8395]  ? __fget_light+0x1fc/0x260
[  592.774628][ T8395]  __sys_sendmsg+0x117/0x1e0
[  592.779248][ T8395]  ? __sys_sendmsg_sock+0x30/0x30
[  592.784393][ T8395]  ? syscall_enter_from_user_mode+0x7f/0x120
[  592.790385][ T8395]  do_syscall_64+0x40/0x110
[  592.794892][ T8395]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  592.800786][ T8395] RIP: 0033:0x7ff3fd6020b9
[  592.805193][ T8395] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  592.824795][ T8395] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  592.833200][ T8395] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  592.841192][ T8395] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  592.849172][ T8395] RBP: 0000000000090669 R08: 0000000000000000 R09: 0000000000000006
[  592.857141][ T8395] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  592.865107][ T8395] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  592.873080][ T8395]  </TASK>
[  592.876332][ T8395] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  592.923498][ T8395] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  592.932703][ T8395] CPU: 0 PID: 8395 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  592.943121][ T8395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  592.953162][ T8395] Call Trace:
[  592.956427][ T8395]  <TASK>
[  592.959375][ T8395]  dump_stack_lvl+0x125/0x1b0
[  592.964046][ T8395]  sysfs_warn_dup+0x7f/0xa0
[  592.968546][ T8395]  sysfs_create_dir_ns+0x249/0x2b0
[  592.973652][ T8395]  ? sysfs_create_mount_point+0xb0/0xb0
[  592.979191][ T8395]  ? spin_bug+0x1d0/0x1d0
[  592.983510][ T8395]  ? net_namespace+0x12/0x40
[  592.988092][ T8395]  ? device_namespace+0x8d/0xc0
[  592.992942][ T8395]  kobject_add_internal+0x2c8/0x970
[  592.998133][ T8395]  kobject_add+0x16f/0x240
[  593.002544][ T8395]  ? kset_create_and_add+0x190/0x190
[  593.007820][ T8395]  ? do_raw_spin_unlock+0x173/0x230
[  593.013008][ T8395]  ? kobject_put+0xbe/0x440
[  593.017506][ T8395]  ? device_add+0xc35/0x1aa0
[  593.022103][ T8395]  device_add+0x289/0x1aa0
[  593.026511][ T8395]  ? device_initialize+0x510/0x510
[  593.031634][ T8395]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  593.038504][ T8395]  ? __init_waitqueue_head+0xca/0x150
[  593.043881][ T8395]  netdev_register_kobject+0x183/0x3f0
[  593.049344][ T8395]  register_netdevice+0xbe6/0x14b0
[  593.054458][ T8395]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  593.060349][ T8395]  ? validate_linkmsg+0x6fc/0x9c0
[  593.065370][ T8395]  br_dev_newlink+0x27/0x110
[  593.069959][ T8395]  ? br_changelink+0x1760/0x1760
[  593.074891][ T8395]  __rtnl_newlink+0x1173/0x1930
[  593.079747][ T8395]  ? rtnl_link_unregister+0x260/0x260
[  593.085134][ T8395]  rtnl_newlink+0x67/0xa0
[  593.089458][ T8395]  ? __rtnl_newlink+0x1930/0x1930
[  593.094481][ T8395]  rtnetlink_rcv_msg+0x3c7/0xe00
[  593.099419][ T8395]  ? rtnl_fill_vf+0x4a0/0x4a0
[  593.104091][ T8395]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  593.110071][ T8395]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  593.116055][ T8395]  netlink_rcv_skb+0x16b/0x440
[  593.120819][ T8395]  ? rtnl_fill_vf+0x4a0/0x4a0
[  593.125492][ T8395]  ? netlink_ack+0x1380/0x1380
[  593.130252][ T8395]  ? lock_sync+0x190/0x190
[  593.134679][ T8395]  ? netlink_deliver_tap+0x1a0/0xd00
[  593.139961][ T8395]  ? _copy_from_iter+0x2c1/0x10f0
[  593.144987][ T8395]  netlink_unicast+0x53b/0x810
[  593.149755][ T8395]  ? netlink_attachskb+0x880/0x880
[  593.154865][ T8395]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  593.160756][ T8395]  ? __phys_addr_symbol+0x30/0x70
[  593.165811][ T8395]  ? __check_object_size+0x323/0x730
[  593.171098][ T8395]  netlink_sendmsg+0x93c/0xe40
[  593.175888][ T8395]  ? netlink_unicast+0x810/0x810
[  593.180831][ T8395]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  593.186114][ T8395]  ? netlink_unicast+0x810/0x810
[  593.191060][ T8395]  __sock_sendmsg+0xd5/0x180
[  593.195665][ T8395]  ____sys_sendmsg+0x6ac/0x940
[  593.200428][ T8395]  ? copy_msghdr_from_user+0x10b/0x160
[  593.205886][ T8395]  ? kernel_sendmsg+0x50/0x50
[  593.210569][ T8395]  ? hlock_class+0x4e/0x130
[  593.215074][ T8395]  ? __lock_acquire+0x14e0/0x3b10
[  593.220101][ T8395]  ___sys_sendmsg+0x135/0x1d0
[  593.224778][ T8395]  ? do_recvmmsg+0x740/0x740
[  593.229370][ T8395]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  593.235351][ T8395]  ? find_held_lock+0x2d/0x110
[  593.240129][ T8395]  ? __fget_light+0x1fc/0x260
[  593.244891][ T8395]  __sys_sendmsg+0x117/0x1e0
[  593.249484][ T8395]  ? __sys_sendmsg_sock+0x30/0x30
[  593.254509][ T8395]  ? xfd_validate_state+0x5d/0x180
[  593.259670][ T8395]  ? syscall_enter_from_user_mode+0x7f/0x120
[  593.265653][ T8395]  do_syscall_64+0x40/0x110
[  593.270152][ T8395]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  593.276044][ T8395] RIP: 0033:0x7ff3fd6020b9
[  593.280452][ T8395] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  593.300067][ T8395] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  593.308477][ T8395] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  593.316440][ T8395] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  593.324406][ T8395] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  593.332386][ T8395] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  593.340350][ T8395] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  593.348325][ T8395]  </TASK>
[  593.352792][ T8395] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  593.426673][ T8396] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  593.436839][ T8396] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  593.446029][ T8396] CPU: 1 PID: 8396 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  593.456445][ T8396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  593.466487][ T8396] Call Trace:
[  593.469757][ T8396]  <TASK>
[  593.472682][ T8396]  dump_stack_lvl+0x125/0x1b0
[  593.477355][ T8396]  sysfs_warn_dup+0x7f/0xa0
[  593.481855][ T8396]  sysfs_create_dir_ns+0x249/0x2b0
[  593.486958][ T8396]  ? sysfs_create_mount_point+0xb0/0xb0
[  593.492497][ T8396]  ? spin_bug+0x1d0/0x1d0
[  593.496843][ T8396]  ? net_namespace+0x12/0x40
[  593.501428][ T8396]  ? device_namespace+0x8d/0xc0
[  593.506275][ T8396]  kobject_add_internal+0x2c8/0x970
[  593.511494][ T8396]  kobject_add+0x16f/0x240
[  593.515915][ T8396]  ? kset_create_and_add+0x190/0x190
[  593.521217][ T8396]  ? do_raw_spin_unlock+0x173/0x230
[  593.526416][ T8396]  ? kobject_put+0xbe/0x440
[  593.530919][ T8396]  ? device_add+0xc35/0x1aa0
[  593.535506][ T8396]  device_add+0x289/0x1aa0
[  593.540204][ T8396]  ? device_initialize+0x510/0x510
[  593.545307][ T8396]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  593.552153][ T8396]  ? __init_waitqueue_head+0xca/0x150
[  593.557525][ T8396]  netdev_register_kobject+0x183/0x3f0
[  593.562989][ T8396]  register_netdevice+0xbe6/0x14b0
[  593.568121][ T8396]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  593.574010][ T8396]  ? validate_linkmsg+0x6fc/0x9c0
[  593.579024][ T8396]  br_dev_newlink+0x27/0x110
[  593.583611][ T8396]  ? br_changelink+0x1760/0x1760
[  593.588537][ T8396]  __rtnl_newlink+0x1173/0x1930
[  593.593414][ T8396]  ? rtnl_link_unregister+0x260/0x260
[  593.598815][ T8396]  rtnl_newlink+0x67/0xa0
[  593.603174][ T8396]  ? __rtnl_newlink+0x1930/0x1930
[  593.608200][ T8396]  rtnetlink_rcv_msg+0x3c7/0xe00
[  593.613134][ T8396]  ? rtnl_fill_vf+0x4a0/0x4a0
[  593.617806][ T8396]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  593.623784][ T8396]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  593.629765][ T8396]  netlink_rcv_skb+0x16b/0x440
[  593.634525][ T8396]  ? rtnl_fill_vf+0x4a0/0x4a0
[  593.639197][ T8396]  ? netlink_ack+0x1380/0x1380
[  593.643974][ T8396]  ? lock_sync+0x190/0x190
[  593.648390][ T8396]  ? netlink_deliver_tap+0x1a0/0xd00
[  593.653690][ T8396]  ? _copy_from_iter+0x2c1/0x10f0
[  593.658709][ T8396]  netlink_unicast+0x53b/0x810
[  593.663497][ T8396]  ? netlink_attachskb+0x880/0x880
[  593.668599][ T8396]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  593.674481][ T8396]  ? __phys_addr_symbol+0x30/0x70
[  593.679492][ T8396]  ? __check_object_size+0x323/0x730
[  593.684766][ T8396]  netlink_sendmsg+0x93c/0xe40
[  593.689528][ T8396]  ? netlink_unicast+0x810/0x810
[  593.694469][ T8396]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  593.699754][ T8396]  ? netlink_unicast+0x810/0x810
[  593.704715][ T8396]  __sock_sendmsg+0xd5/0x180
[  593.709296][ T8396]  ____sys_sendmsg+0x6ac/0x940
[  593.714049][ T8396]  ? copy_msghdr_from_user+0x10b/0x160
[  593.719501][ T8396]  ? kernel_sendmsg+0x50/0x50
[  593.724184][ T8396]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  593.730172][ T8396]  ___sys_sendmsg+0x135/0x1d0
[  593.734872][ T8396]  ? do_recvmmsg+0x740/0x740
[  593.739451][ T8396]  ? find_held_lock+0x2d/0x110
[  593.744212][ T8396]  ? preempt_count_sub+0x160/0x160
[  593.749316][ T8396]  ? __fget_light+0x1fc/0x260
[  593.753981][ T8396]  __sys_sendmsg+0x117/0x1e0
[  593.758571][ T8396]  ? __sys_sendmsg_sock+0x30/0x30
[  593.763593][ T8396]  ? syscall_enter_from_user_mode+0x7f/0x120
[  593.769584][ T8396]  do_syscall_64+0x40/0x110
[  593.774096][ T8396]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  593.779981][ T8396] RIP: 0033:0x7ff3fd6020b9
[  593.784381][ T8396] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  593.803983][ T8396] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  593.812433][ T8396] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  593.820410][ T8396] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  593.828376][ T8396] RBP: 0000000000090a29 R08: 0000000000000000 R09: 0000000000000006
[  593.836353][ T8396] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  593.844309][ T8396] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  593.852277][ T8396]  </TASK>
[  593.856979][ T8396] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  593.913987][ T8396] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  593.923256][ T8396] CPU: 1 PID: 8396 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  593.933689][ T8396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  593.943763][ T8396] Call Trace:
[  593.947036][ T8396]  <TASK>
[  593.949968][ T8396]  dump_stack_lvl+0x125/0x1b0
[  593.954668][ T8396]  sysfs_warn_dup+0x7f/0xa0
[  593.959165][ T8396]  sysfs_create_dir_ns+0x249/0x2b0
[  593.964270][ T8396]  ? sysfs_create_mount_point+0xb0/0xb0
[  593.969824][ T8396]  ? spin_bug+0x1d0/0x1d0
[  593.974149][ T8396]  ? net_namespace+0x12/0x40
[  593.978741][ T8396]  ? device_namespace+0x8d/0xc0
[  593.983615][ T8396]  kobject_add_internal+0x2c8/0x970
[  593.988810][ T8396]  kobject_add+0x16f/0x240
[  593.993223][ T8396]  ? kset_create_and_add+0x190/0x190
[  593.998503][ T8396]  ? do_raw_spin_unlock+0x173/0x230
[  594.003695][ T8396]  ? kobject_put+0xbe/0x440
[  594.008213][ T8396]  ? device_add+0xc35/0x1aa0
[  594.012823][ T8396]  device_add+0x289/0x1aa0
[  594.017235][ T8396]  ? device_initialize+0x510/0x510
[  594.022337][ T8396]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  594.029184][ T8396]  ? __init_waitqueue_head+0xca/0x150
[  594.034556][ T8396]  netdev_register_kobject+0x183/0x3f0
[  594.040015][ T8396]  register_netdevice+0xbe6/0x14b0
[  594.045128][ T8396]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  594.051032][ T8396]  ? validate_linkmsg+0x6fc/0x9c0
[  594.056097][ T8396]  br_dev_newlink+0x27/0x110
[  594.060689][ T8396]  ? br_changelink+0x1760/0x1760
[  594.065625][ T8396]  __rtnl_newlink+0x1173/0x1930
[  594.070482][ T8396]  ? rtnl_link_unregister+0x260/0x260
[  594.075893][ T8396]  rtnl_newlink+0x67/0xa0
[  594.080220][ T8396]  ? __rtnl_newlink+0x1930/0x1930
[  594.085240][ T8396]  rtnetlink_rcv_msg+0x3c7/0xe00
[  594.090178][ T8396]  ? rtnl_fill_vf+0x4a0/0x4a0
[  594.094880][ T8396]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  594.100861][ T8396]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  594.106878][ T8396]  netlink_rcv_skb+0x16b/0x440
[  594.111665][ T8396]  ? rtnl_fill_vf+0x4a0/0x4a0
[  594.116336][ T8396]  ? netlink_ack+0x1380/0x1380
[  594.121111][ T8396]  ? lock_sync+0x190/0x190
[  594.125553][ T8396]  ? netlink_deliver_tap+0x1a0/0xd00
[  594.130845][ T8396]  ? _copy_from_iter+0x2c1/0x10f0
[  594.135870][ T8396]  netlink_unicast+0x53b/0x810
[  594.140650][ T8396]  ? netlink_attachskb+0x880/0x880
[  594.145783][ T8396]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  594.151673][ T8396]  ? __phys_addr_symbol+0x30/0x70
[  594.156692][ T8396]  ? __check_object_size+0x323/0x730
[  594.161973][ T8396]  netlink_sendmsg+0x93c/0xe40
[  594.166736][ T8396]  ? netlink_unicast+0x810/0x810
[  594.171670][ T8396]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  594.176948][ T8396]  ? netlink_unicast+0x810/0x810
[  594.181881][ T8396]  __sock_sendmsg+0xd5/0x180
[  594.186474][ T8396]  ____sys_sendmsg+0x6ac/0x940
[  594.191285][ T8396]  ? copy_msghdr_from_user+0x10b/0x160
[  594.196735][ T8396]  ? kernel_sendmsg+0x50/0x50
[  594.201403][ T8396]  ? hlock_class+0x4e/0x130
[  594.205904][ T8396]  ? __lock_acquire+0x14e0/0x3b10
[  594.210928][ T8396]  ___sys_sendmsg+0x135/0x1d0
[  594.215599][ T8396]  ? do_recvmmsg+0x740/0x740
[  594.220197][ T8396]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  594.226181][ T8396]  ? find_held_lock+0x2d/0x110
[  594.230991][ T8396]  ? __fget_light+0x1fc/0x260
[  594.235691][ T8396]  __sys_sendmsg+0x117/0x1e0
[  594.240284][ T8396]  ? __sys_sendmsg_sock+0x30/0x30
[  594.245305][ T8396]  ? __do_sys_rseq+0x750/0x750
[  594.250070][ T8396]  ? syscall_enter_from_user_mode+0x7f/0x120
[  594.256137][ T8396]  do_syscall_64+0x40/0x110
[  594.260647][ T8396]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  594.266566][ T8396] RIP: 0033:0x7ff3fd6020b9
[  594.270995][ T8396] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  594.290633][ T8396] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  594.299043][ T8396] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  594.307039][ T8396] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  594.315014][ T8396] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  594.322980][ T8396] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  594.330958][ T8396] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  594.338929][ T8396]  </TASK>
[  594.343514][ T8396] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  594.418191][ T8397] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  594.428379][ T8397] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  594.437598][ T8397] CPU: 0 PID: 8397 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  594.448021][ T8397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  594.458068][ T8397] Call Trace:
[  594.461339][ T8397]  <TASK>
[  594.464261][ T8397]  dump_stack_lvl+0x125/0x1b0
[  594.468934][ T8397]  sysfs_warn_dup+0x7f/0xa0
[  594.473430][ T8397]  sysfs_create_dir_ns+0x249/0x2b0
[  594.478535][ T8397]  ? sysfs_create_mount_point+0xb0/0xb0
[  594.484083][ T8397]  ? spin_bug+0x1d0/0x1d0
[  594.488401][ T8397]  ? net_namespace+0x12/0x40
[  594.492981][ T8397]  ? device_namespace+0x8d/0xc0
[  594.497825][ T8397]  kobject_add_internal+0x2c8/0x970
[  594.503025][ T8397]  kobject_add+0x16f/0x240
[  594.507436][ T8397]  ? kset_create_and_add+0x190/0x190
[  594.512721][ T8397]  ? do_raw_spin_unlock+0x173/0x230
[  594.517916][ T8397]  ? kobject_put+0xbe/0x440
[  594.522423][ T8397]  ? device_add+0xc35/0x1aa0
[  594.527016][ T8397]  device_add+0x289/0x1aa0
[  594.531442][ T8397]  ? device_initialize+0x510/0x510
[  594.536546][ T8397]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  594.543395][ T8397]  ? __init_waitqueue_head+0xca/0x150
[  594.548768][ T8397]  netdev_register_kobject+0x183/0x3f0
[  594.554228][ T8397]  register_netdevice+0xbe6/0x14b0
[  594.559340][ T8397]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  594.565232][ T8397]  ? validate_linkmsg+0x6fc/0x9c0
[  594.570255][ T8397]  br_dev_newlink+0x27/0x110
[  594.574842][ T8397]  ? br_changelink+0x1760/0x1760
[  594.579771][ T8397]  __rtnl_newlink+0x1173/0x1930
[  594.584621][ T8397]  ? rtnl_link_unregister+0x260/0x260
[  594.589995][ T8397]  rtnl_newlink+0x67/0xa0
[  594.594316][ T8397]  ? __rtnl_newlink+0x1930/0x1930
[  594.599341][ T8397]  rtnetlink_rcv_msg+0x3c7/0xe00
[  594.604298][ T8397]  ? rtnl_fill_vf+0x4a0/0x4a0
[  594.608963][ T8397]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  594.614948][ T8397]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  594.620946][ T8397]  netlink_rcv_skb+0x16b/0x440
[  594.625719][ T8397]  ? rtnl_fill_vf+0x4a0/0x4a0
[  594.630394][ T8397]  ? netlink_ack+0x1380/0x1380
[  594.635160][ T8397]  ? lock_sync+0x190/0x190
[  594.639580][ T8397]  ? netlink_deliver_tap+0x1a0/0xd00
[  594.644865][ T8397]  ? _copy_from_iter+0x2c1/0x10f0
[  594.649891][ T8397]  netlink_unicast+0x53b/0x810
[  594.654659][ T8397]  ? netlink_attachskb+0x880/0x880
[  594.659774][ T8397]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  594.665666][ T8397]  ? __phys_addr_symbol+0x30/0x70
[  594.670708][ T8397]  ? __check_object_size+0x323/0x730
[  594.676011][ T8397]  netlink_sendmsg+0x93c/0xe40
[  594.680779][ T8397]  ? netlink_unicast+0x810/0x810
[  594.685727][ T8397]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  594.691005][ T8397]  ? netlink_unicast+0x810/0x810
[  594.695939][ T8397]  __sock_sendmsg+0xd5/0x180
[  594.700538][ T8397]  ____sys_sendmsg+0x6ac/0x940
[  594.705327][ T8397]  ? copy_msghdr_from_user+0x10b/0x160
[  594.710785][ T8397]  ? kernel_sendmsg+0x50/0x50
[  594.715491][ T8397]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  594.721479][ T8397]  ___sys_sendmsg+0x135/0x1d0
[  594.726165][ T8397]  ? do_recvmmsg+0x740/0x740
[  594.730761][ T8397]  ? find_held_lock+0x2d/0x110
[  594.735530][ T8397]  ? preempt_count_sub+0x160/0x160
[  594.740665][ T8397]  ? __fget_light+0x1fc/0x260
[  594.745374][ T8397]  __sys_sendmsg+0x117/0x1e0
[  594.749966][ T8397]  ? __sys_sendmsg_sock+0x30/0x30
[  594.754993][ T8397]  ? xfd_validate_state+0x5d/0x180
[  594.760120][ T8397]  ? syscall_enter_from_user_mode+0x7f/0x120
[  594.766105][ T8397]  do_syscall_64+0x40/0x110
[  594.770617][ T8397]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  594.776529][ T8397] RIP: 0033:0x7ff3fd6020b9
[  594.780943][ T8397] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  594.800606][ T8397] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  594.809032][ T8397] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  594.817000][ T8397] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[  594.824987][ T8397] RBP: 0000000000090dfc R08: 0000000000000000 R09: 0000000000000006
[  594.832958][ T8397] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9d9e9a8c
[  594.840923][ T8397] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  594.849073][ T8397]  </TASK>
[  594.852618][ T8397] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  594.904792][ T8397] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  594.913985][ T8397] CPU: 0 PID: 8397 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  594.924401][ T8397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  594.934445][ T8397] Call Trace:
[  594.937716][ T8397]  <TASK>
[  594.940669][ T8397]  dump_stack_lvl+0x125/0x1b0
[  594.945388][ T8397]  sysfs_warn_dup+0x7f/0xa0
[  594.949882][ T8397]  sysfs_create_dir_ns+0x249/0x2b0
[  594.954988][ T8397]  ? sysfs_create_mount_point+0xb0/0xb0
[  594.960548][ T8397]  ? spin_bug+0x1d0/0x1d0
[  594.964868][ T8397]  ? net_namespace+0x12/0x40
[  594.969446][ T8397]  ? device_namespace+0x8d/0xc0
[  594.974355][ T8397]  kobject_add_internal+0x2c8/0x970
[  594.979559][ T8397]  kobject_add+0x16f/0x240
[  594.983983][ T8397]  ? kset_create_and_add+0x190/0x190
[  594.989265][ T8397]  ? do_raw_spin_unlock+0x173/0x230
[  594.994454][ T8397]  ? kobject_put+0xbe/0x440
[  594.998948][ T8397]  ? device_add+0xc35/0x1aa0
[  595.003528][ T8397]  device_add+0x289/0x1aa0
[  595.007934][ T8397]  ? device_initialize+0x510/0x510
[  595.013036][ T8397]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  595.019877][ T8397]  ? __init_waitqueue_head+0xca/0x150
[  595.025249][ T8397]  netdev_register_kobject+0x183/0x3f0
[  595.030716][ T8397]  register_netdevice+0xbe6/0x14b0
[  595.035852][ T8397]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  595.041737][ T8397]  ? validate_linkmsg+0x6fc/0x9c0
[  595.046753][ T8397]  br_dev_newlink+0x27/0x110
[  595.051334][ T8397]  ? br_changelink+0x1760/0x1760
[  595.056266][ T8397]  __rtnl_newlink+0x1173/0x1930
[  595.061122][ T8397]  ? rtnl_link_unregister+0x260/0x260
[  595.066495][ T8397]  rtnl_newlink+0x67/0xa0
[  595.070816][ T8397]  ? __rtnl_newlink+0x1930/0x1930
[  595.075828][ T8397]  rtnetlink_rcv_msg+0x3c7/0xe00
[  595.080765][ T8397]  ? rtnl_fill_vf+0x4a0/0x4a0
[  595.085430][ T8397]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  595.091405][ T8397]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  595.097382][ T8397]  netlink_rcv_skb+0x16b/0x440
[  595.102136][ T8397]  ? rtnl_fill_vf+0x4a0/0x4a0
[  595.106801][ T8397]  ? netlink_ack+0x1380/0x1380
[  595.111564][ T8397]  ? lock_sync+0x190/0x190
[  595.116006][ T8397]  ? netlink_deliver_tap+0x1a0/0xd00
[  595.121283][ T8397]  ? _copy_from_iter+0x2c1/0x10f0
[  595.126302][ T8397]  netlink_unicast+0x53b/0x810
[  595.131057][ T8397]  ? netlink_attachskb+0x880/0x880
[  595.136156][ T8397]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  595.142056][ T8397]  ? __phys_addr_symbol+0x30/0x70
[  595.147068][ T8397]  ? __check_object_size+0x323/0x730
[  595.152342][ T8397]  netlink_sendmsg+0x93c/0xe40
[  595.157098][ T8397]  ? netlink_unicast+0x810/0x810
[  595.162032][ T8397]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  595.167312][ T8397]  ? netlink_unicast+0x810/0x810
[  595.172273][ T8397]  __sock_sendmsg+0xd5/0x180
[  595.176856][ T8397]  ____sys_sendmsg+0x6ac/0x940
[  595.181617][ T8397]  ? copy_msghdr_from_user+0x10b/0x160
[  595.187066][ T8397]  ? kernel_sendmsg+0x50/0x50
[  595.191738][ T8397]  ? hlock_class+0x4e/0x130
[  595.196271][ T8397]  ? __lock_acquire+0x14e0/0x3b10
[  595.201291][ T8397]  ___sys_sendmsg+0x135/0x1d0
[  595.205966][ T8397]  ? do_recvmmsg+0x740/0x740
[  595.210561][ T8397]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  595.216561][ T8397]  ? find_held_lock+0x2d/0x110
[  595.221356][ T8397]  ? __fget_light+0x1fc/0x260
[  595.226065][ T8397]  __sys_sendmsg+0x117/0x1e0
[  595.230692][ T8397]  ? __sys_sendmsg_sock+0x30/0x30
[  595.235735][ T8397]  ? __do_sys_rseq+0x750/0x750
[  595.240498][ T8397]  ? syscall_enter_from_user_mode+0x7f/0x120
[  595.246491][ T8397]  do_syscall_64+0x40/0x110
[  595.250991][ T8397]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  595.256881][ T8397] RIP: 0033:0x7ff3fd6020b9
[  595.261312][ T8397] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  595.280915][ T8397] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  595.289316][ T8397] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9
[  595.297316][ T8397] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[  595.305296][ T8397] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
[  595.313276][ T8397] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  595.321237][ T8397] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[  595.329204][ T8397]  </TASK>
[  595.332676][ T8397] kobject: kobject_add_internal failed for bridge100000000 with -EEXIST, don't try to register things with the same name in the same directory.
[  595.407584][ T8398] netlink: 20 bytes leftover after parsing attributes in process `syz-executor165'.
[  595.417747][ T8398] sysfs: cannot create duplicate filename '/devices/virtual/net/bridge100000000'
[  595.426901][ T8398] CPU: 0 PID: 8398 Comm: syz-executor165 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0
[  595.437326][ T8398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[  595.447368][ T8398] Call Trace:
[  595.450647][ T8398]  <TASK>
[  595.453584][ T8398]  dump_stack_lvl+0x125/0x1b0
[  595.458255][ T8398]  sysfs_warn_dup+0x7f/0xa0
[  595.462784][ T8398]  sysfs_create_dir_ns+0x249/0x2b0
[  595.467904][ T8398]  ? sysfs_create_mount_point+0xb0/0xb0
[  595.473439][ T8398]  ? spin_bug+0x1d0/0x1d0
[  595.477759][ T8398]  ? net_namespace+0x12/0x40
[  595.482354][ T8398]  ? device_namespace+0x8d/0xc0
[  595.487209][ T8398]  kobject_add_internal+0x2c8/0x970
[  595.492400][ T8398]  kobject_add+0x16f/0x240
[  595.496805][ T8398]  ? kset_create_and_add+0x190/0x190
[  595.502079][ T8398]  ? do_raw_spin_unlock+0x173/0x230
[  595.507308][ T8398]  ? kobject_put+0xbe/0x440
[  595.511816][ T8398]  ? device_add+0xc35/0x1aa0
[  595.516396][ T8398]  device_add+0x289/0x1aa0
[  595.520806][ T8398]  ? device_initialize+0x510/0x510
[  595.526032][ T8398]  ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270
[  595.532920][ T8398]  ? __init_waitqueue_head+0xca/0x150
[  595.538298][ T8398]  netdev_register_kobject+0x183/0x3f0
[  595.543788][ T8398]  register_netdevice+0xbe6/0x14b0
[  595.548895][ T8398]  ? unregister_netdevice_queue+0x3d0/0x3d0
[  595.554781][ T8398]  ? validate_linkmsg+0x6fc/0x9c0
[  595.559795][ T8398]  br_dev_newlink+0x27/0x110
[  595.564375][ T8398]  ? br_changelink+0x1760/0x1760
[  595.569299][ T8398]  __rtnl_newlink+0x1173/0x1930
[  595.574150][ T8398]  ? rtnl_link_unregister+0x260/0x260
[  595.579526][ T8398]  rtnl_newlink+0x67/0xa0
[  595.583863][ T8398]  ? __rtnl_newlink+0x1930/0x1930
[  595.588904][ T8398]  rtnetlink_rcv_msg+0x3c7/0xe00
[  595.593846][ T8398]  ? rtnl_fill_vf+0x4a0/0x4a0
[  595.598547][ T8398]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  595.604518][ T8398]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  595.610507][ T8398]  netlink_rcv_skb+0x16b/0x440
[  595.615291][ T8398]  ? rtnl_fill_vf+0x4a0/0x4a0
[  595.619959][ T8398]  ? netlink_ack+0x1380/0x1380
[  595.624718][ T8398]  ? lock_sync+0x190/0x190
[  595.629135][ T8398]  ? netlink_deliver_tap+0x1a0/0xd00
[  595.634413][ T8398]  ? _copy_from_iter+0x2c1/0x10f0
[  595.639436][ T8398]  netlink_unicast+0x53b/0x810
[  595.644196][ T8398]  ? netlink_attachskb+0x880/0x880
[  595.649296][ T8398]  ? __sanitizer_cov_trace_switch+0x54/0x90
[  595.655192][ T8398]  ? __phys_addr_symbol+0x30/0x70
[  595.660207][ T8398]  ? __check_object_size+0x323/0x730
[  595.665490][ T8398]  netlink_sendmsg+0x93c/0xe40
[  595.670258][ T8398]  ? netlink_unicast+0x810/0x810
[  595.675197][ T8398]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  595.680483][ T8398]  ? netlink_unicast+0x810/0x810
[  595.685457][ T8398]  __sock_sendmsg+0xd5/0x180
[  595.690043][ T8398]  ____sys_sendmsg+0x6ac/0x940
[  595.694810][ T8398]  ? copy_msghdr_from_user+0x10b/0x160
[  595.700272][ T8398]  ? kernel_sendmsg+0x50/0x50
[  595.704973][ T8398]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  595.710976][ T8398]  ___sys_sendmsg+0x135/0x1d0
[  595.715653][ T8398]  ? do_recvmmsg+0x740/0x740
[  595.720235][ T8398]  ? find_held_lock+0x2d/0x110
[  595.725018][ T8398]  ? preempt_count_sub+0x160/0x160
[  595.730133][ T8398]  ? __fget_light+0x1fc/0x260
[  595.734803][ T8398]  __sys_sendmsg+0x117/0x1e0
[  595.739397][ T8398]  ? __sys_sendmsg_sock+0x30/0x30
[  595.744445][ T8398]  ? xfd_validate_state+0x5d/0x180
[  595.749558][ T8398]  ? syscall_enter_from_user_mode+0x7f/0x120
[  595.755535][ T8398]  do_syscall_64+0x40/0x110
[  595.760032][ T8398]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  595.765921][ T8398] RIP: 0033:0x7ff3fd6020b9
[  595.770322][ T8398] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[  595.789931][ T8398] RSP: 002b:00007fff9d9e9a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  595.798374][ T8398] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3fd6020b9